Article | Year |
The Egyptian journal of chest diseases and tuberculosis, 2016, Volume: 65, Issue:1
Middle East Respiratory Syndrome (MERS) is a novel respiratory illness firstly reported in Saudi Arabia in 2012. It is caused by a new corona virus, called MERS corona virus (MERS-CoV). Most people who have MERS-CoV infection developed severe acute respiratory illness.. This work is done to determine the clinical characteristics and the outcome of intensive care unit (ICU) admitted patients with confirmed MERS-CoV infection.. This study included 32 laboratory confirmed MERS corona virus infected patients who were admitted into ICU. It included 20 (62.50%) males and 12 (37.50%) females. The mean age was 43.99 ± 13.03 years. Diagnosis was done by real-time reverse transcription polymerase chain reaction (rRT-PCR) test for corona virus on throat swab, sputum, tracheal aspirate, or bronchoalveolar lavage specimens. Clinical characteristics, co-morbidities and outcome were reported for all subjects.. Most MERS corona patients present with fever, cough, dyspnea, sore throat, runny nose and sputum. The presence of abdominal symptoms may indicate bad prognosis. Prolonged duration of symptoms before patients' hospitalization, prolonged duration of mechanical ventilation and hospital stay, bilateral radiological pulmonary infiltrates, and hypoxemic respiratory failure were found to be strong predictors of mortality in such patients. Also, old age, current smoking, smoking severity, presence of associated co-morbidities like obesity, diabetes mellitus, chronic heart diseases, COPD, malignancy, renal failure, renal transplantation and liver cirrhosis are associated with a poor outcome of ICU admitted MERS corona virus infected patients.. Plasma HO-1, ferritin, p21, and NQO1 were all elevated at baseline in CKD participants. Plasma HO-1 and urine NQO1 levels each inversely correlated with eGFR (. SnPP can be safely administered and, after its injection, the resulting changes in plasma HO-1, NQO1, ferritin, and p21 concentrations can provide information as to antioxidant gene responsiveness/reserves in subjects with and without kidney disease.. A Study with RBT-1, in Healthy Volunteers and Subjects with Stage 3-4 Chronic Kidney Disease, NCT0363002 and NCT03893799.. HFNC did not significantly modify work of breathing in healthy subjects. However, a significant reduction in the minute volume was achieved, capillary [Formula: see text] remaining constant, which suggests a reduction in dead-space ventilation with flows > 20 L/min. (ClinicalTrials.gov registration NCT02495675).. 3 组患者手术时间、术中显性失血量及术后 1 周血红蛋白下降量比较差异均无统计学意义(. 对于肥胖和超重的膝关节单间室骨关节炎患者,采用 UKA 术后可获满意短中期疗效,远期疗效尚需进一步随访观察。.. Decreased muscle strength was identified at both time points in patients with hEDS/HSD. The evolution of most muscle strength parameters over time did not significantly differ between groups. Future studies should focus on the effectiveness of different types of muscle training strategies in hEDS/HSD patients.. These findings support previous adverse findings of e-cigarette exposure on neurodevelopment in a mouse model and provide substantial evidence of persistent adverse behavioral and neuroimmunological consequences to adult offspring following maternal e-cigarette exposure during pregnancy. https://doi.org/10.1289/EHP6067.. This RCT directly compares a neoadjuvant chemotherapy regimen with a standard CROSS regimen in terms of overall survival for patients with locally advanced ESCC. The results of this RCT will provide an answer for the controversy regarding the survival benefits between the two treatment strategies.. NCT04138212, date of registration: October 24, 2019.. Results of current investigation indicated that milk type and post fermentation cooling patterns had a pronounced effect on antioxidant characteristics, fatty acid profile, lipid oxidation and textural characteristics of yoghurt. Buffalo milk based yoghurt had more fat, protein, higher antioxidant capacity and vitamin content. Antioxidant and sensory characteristics of T. If milk is exposed to excessive amounts of light, Vitamins B. The two concentration of ZnO nanoparticles in the ambient air produced two different outcomes. The lower concentration resulted in significant increases in Zn content of the liver while the higher concentration significantly increased Zn in the lungs (p < 0.05). Additionally, at the lower concentration, Zn content was found to be lower in brain tissue (p < 0.05). Using TEM/EDX we detected ZnO nanoparticles inside the cells in the lungs, kidney and liver. Inhaling ZnO NP at the higher concentration increased the levels of mRNA of the following genes in the lungs: Mt2 (2.56 fold), Slc30a1 (1.52 fold) and Slc30a5 (2.34 fold). At the lower ZnO nanoparticle concentration, only Slc30a7 mRNA levels in the lungs were up (1.74 fold). Thus the two air concentrations of ZnO nanoparticles produced distinct effects on the expression of the Zn-homeostasis related genes.. Until adverse health effects of ZnO nanoparticles deposited in organs such as lungs are further investigated and/or ruled out, the exposure to ZnO nanoparticles in aerosols should be avoided or minimised. Topics: A549 Cells; Acetylmuramyl-Alanyl-Isoglutamine; Acinetobacter baumannii; Acute Lung Injury; Adaptor Proteins, Signal Transducing; Adenine; Adenocarcinoma; Adipogenesis; Administration, Cutaneous; Administration, Ophthalmic; Adolescent; Adsorption; Adult; Aeromonas hydrophila; Aerosols; Aged; Aged, 80 and over; Aging; Agriculture; Air Pollutants; Air Pollution; Airway Remodeling; Alanine Transaminase; Albuminuria; Aldehyde Dehydrogenase 1 Family; Algorithms; AlkB Homolog 2, Alpha-Ketoglutarate-Dependent Dioxygenase; Alzheimer Disease; Amino Acid Sequence; Ammonia; Ammonium Compounds; Anaerobiosis; Anesthetics, Dissociative; Anesthetics, Inhalation; Animals; Anti-Bacterial Agents; Anti-HIV Agents; Anti-Infective Agents; Anti-Inflammatory Agents; Antibiotics, Antineoplastic; Antibodies, Antineutrophil Cytoplasmic; Antibodies, Monoclonal, Humanized; Antifungal Agents; Antigens, Bacterial; Antigens, CD; Antigens, Differentiation, Myelomonocytic; Antimetabolites, Antineoplastic; Antineoplastic Agents; Antineoplastic Combined Chemotherapy Protocols; Antioxidants; Antitubercular Agents; Antiviral Agents; Apolipoproteins E; Apoptosis; Arabidopsis; Arabidopsis Proteins; Arsenic; Arthritis, Rheumatoid; Asthma; Atherosclerosis; ATP-Dependent Proteases; Attitude of Health Personnel; Australia; Austria; Autophagy; Axitinib; Bacteria; Bacterial Outer Membrane Proteins; Bacterial Proteins; Bacterial Toxins; Bacterial Typing Techniques; Bariatric Surgery; Base Composition; Bayes Theorem; Benzoxazoles; Benzylamines; beta Catenin; Betacoronavirus; Betula; Binding Sites; Biological Availability; Biological Oxygen Demand Analysis; Biomarkers; Biomarkers, Tumor; Biopsy; Bioreactors; Biosensing Techniques; Birth Weight; Blindness; Blood Chemical Analysis; Blood Gas Analysis; Blood Glucose; Blood Pressure; Blood Pressure Monitoring, Ambulatory; Blood-Brain Barrier; Blotting, Western; Body Mass Index; Body Weight; Bone and Bones; Bone Density; Bone Resorption; Borates; Brain; Brain Infarction; Brain Injuries, Traumatic; Brain Neoplasms; Breakfast; Breast Milk Expression; Breast Neoplasms; Bronchi; Bronchoalveolar Lavage Fluid; Buffaloes; Cadherins; Calcification, Physiologic; Calcium Compounds; Calcium, Dietary; Cannula; Caprolactam; Carbon; Carbon Dioxide; Carboplatin; Carcinogenesis; Carcinoma, Ductal; Carcinoma, Ehrlich Tumor; Carcinoma, Hepatocellular; Carcinoma, Non-Small-Cell Lung; Carcinoma, Pancreatic Ductal; Carcinoma, Renal Cell; Cardiovascular Diseases; Carps; Carrageenan; Case-Control Studies; Catalysis; Catalytic Domain; Cattle; CD8-Positive T-Lymphocytes; Cell Adhesion; Cell Cycle Proteins; Cell Death; Cell Differentiation; Cell Line; Cell Line, Tumor; Cell Movement; Cell Nucleus; Cell Phone Use; Cell Proliferation; Cell Survival; Cell Transformation, Neoplastic; Cell Transformation, Viral; Cells, Cultured; Cellulose; Chemical Phenomena; Chemoradiotherapy; Child; Child Development; Child, Preschool; China; Chitosan; Chlorocebus aethiops; Cholecalciferol; Chromatography, Liquid; Circadian Clocks; Circadian Rhythm; Circular Dichroism; Cisplatin; Citric Acid; Clinical Competence; Clinical Laboratory Techniques; Clinical Trials, Phase I as Topic; Clinical Trials, Phase II as Topic; Clostridioides difficile; Clostridium Infections; Coculture Techniques; Cohort Studies; Cold Temperature; Colitis; Collagen Type I; Collagen Type I, alpha 1 Chain; Collagen Type XI; Color; Connective Tissue Diseases; Copper; Coronary Angiography; Coronavirus 3C Proteases; Coronavirus Infections; Cost of Illness; Counselors; COVID-19; COVID-19 Testing; Creatine Kinase; Creatinine; Cross-Over Studies; Cross-Sectional Studies; Cryoelectron Microscopy; Cryosurgery; Crystallography, X-Ray; Cues; Cultural Competency; Cultural Diversity; Curriculum; Cyclic AMP Response Element-Binding Protein; Cyclin-Dependent Kinase Inhibitor p21; Cycloparaffins; Cysteine Endopeptidases; Cytokines; Cytoplasm; Cytoprotection; Databases, Factual; Denitrification; Deoxycytidine; Diabetes Complications; Diabetes Mellitus; Diabetes Mellitus, Experimental; Diabetes Mellitus, Type 1; Diabetes Mellitus, Type 2; Diagnosis, Differential; Diatoms; Diet; Diet, High-Fat; Dietary Exposure; Diffusion Magnetic Resonance Imaging; Diketopiperazines; Dipeptidyl Peptidase 4; Dipeptidyl-Peptidase IV Inhibitors; Disease Models, Animal; Disease Progression; Disease-Free Survival; DNA; DNA Damage; DNA Glycosylases; DNA Repair; DNA-Binding Proteins; DNA, Bacterial; DNA, Viral; Docetaxel; Dose Fractionation, Radiation; Dose-Response Relationship, Drug; Down-Regulation; Doxorubicin; Drosophila; Drosophila melanogaster; Drug Carriers; Drug Delivery Systems; Drug Liberation; Drug Repositioning; Drug Resistance, Bacterial; Drug Resistance, Multiple, Bacterial; Drug Resistance, Neoplasm; Drug Screening Assays, Antitumor; Drug Synergism; Drug Therapy, Combination; Edema; Edible Grain; Education, Graduate; Education, Medical, Graduate; Education, Pharmacy; Ehlers-Danlos Syndrome; Electron Transport Complex III; Electron Transport Complex IV; Electronic Nicotine Delivery Systems; Emergency Service, Hospital; Empathy; Emulsions; Endothelial Cells; Endurance Training; Energy Intake; Enterovirus A, Human; Environment; Environmental Monitoring; Enzyme Assays; Enzyme Inhibitors; Epithelial Cells; Epithelial-Mesenchymal Transition; Epoxide Hydrolases; Epoxy Compounds; Erythrocyte Count; Erythrocytes; Escherichia coli; Escherichia coli Infections; Escherichia coli Proteins; Esophageal Neoplasms; Esophageal Squamous Cell Carcinoma; Esophagectomy; Estrogens; Etanercept; Ethiopia; Ethnicity; Ethylenes; Exanthema; Exercise; Exercise Test; Exercise Tolerance; Extracellular Matrix; Extracorporeal Membrane Oxygenation; Eye Infections, Fungal; False Negative Reactions; Fatty Acids; Fecal Microbiota Transplantation; Feces; Female; Femur Neck; Fermentation; Ferritins; Fetal Development; Fibroblast Growth Factor-23; Fibroblast Growth Factors; Fibroblasts; Fibroins; Fish Proteins; Flavanones; Flavonoids; Focus Groups; Follow-Up Studies; Food Handling; Food Supply; Food, Formulated; Forced Expiratory Volume; Forests; Fractures, Bone; Fruit and Vegetable Juices; Fusobacteria; G1 Phase Cell Cycle Checkpoints; G2 Phase Cell Cycle Checkpoints; Gamma Rays; Gastrectomy; Gastrointestinal Microbiome; Gastrointestinal Stromal Tumors; Gefitinib; Gels; Gemcitabine; Gene Amplification; Gene Expression; Gene Expression Regulation; Gene Expression Regulation, Bacterial; Gene Expression Regulation, Neoplastic; Gene Expression Regulation, Plant; Gene Knockdown Techniques; Gene-Environment Interaction; Genotype; Germany; Glioma; Glomerular Filtration Rate; Glucagon; Glucocorticoids; Glycemic Control; Glycerol; Glycogen Synthase Kinase 3 beta; Glycolipids; Glycolysis; Goblet Cells; Gram-Negative Bacterial Infections; Granulocyte Colony-Stimulating Factor; Graphite; Greenhouse Effect; Guanidines; Haemophilus influenzae; HCT116 Cells; Health Knowledge, Attitudes, Practice; Health Personnel; Health Services Accessibility; Health Services Needs and Demand; Health Status Disparities; Healthy Volunteers; Heart Failure; Heart Rate; Heart Transplantation; Heart-Assist Devices; HEK293 Cells; Heme; Heme Oxygenase-1; Hemolysis; Hemorrhage; Hepatitis B; Hepatitis B e Antigens; Hepatitis B Surface Antigens; Hepatitis B virus; Hepatitis B, Chronic; Hepatocytes; Hexoses; High-Throughput Nucleotide Sequencing; Hippo Signaling Pathway; Histamine; Histamine Agonists; Histidine; Histone Deacetylase 2; HIV Infections; HIV Reverse Transcriptase; HIV-1; Homebound Persons; Homeodomain Proteins; Homosexuality, Male; Hospice and Palliative Care Nursing; HSP70 Heat-Shock Proteins; Humans; Hyaluronan Receptors; Hydrogen; Hydrogen Peroxide; Hydrogen-Ion Concentration; Hydrolysis; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Hypoglycemia; Hypoglycemic Agents; Hypoxia; Idiopathic Interstitial Pneumonias; Imaging, Three-Dimensional; Imatinib Mesylate; Immunotherapy; Implementation Science; Incidence; INDEL Mutation; Induced Pluripotent Stem Cells; Industrial Waste; Infant; Infant, Newborn; Inflammation; Inflammation Mediators; Infliximab; Infusions, Intravenous; Inhibitory Concentration 50; Injections; Insecticides; Insulin-Like Growth Factor Binding Protein 5; Insulin-Secreting Cells; Interleukin-1; Interleukin-17; Interleukin-8; Internship and Residency; Intestines; Intracellular Signaling Peptides and Proteins; Ion Transport; Iridaceae; Iridoid Glucosides; Islets of Langerhans Transplantation; Isodon; Isoflurane; Isotopes; Italy; Joint Instability; Ketamine; Kidney; Kidney Failure, Chronic; Kidney Function Tests; Kidney Neoplasms; Kinetics; Klebsiella pneumoniae; Knee Joint; Kruppel-Like Factor 4; Kruppel-Like Transcription Factors; Lactate Dehydrogenase 5; Laparoscopy; Laser Therapy; Lasers, Semiconductor; Lasers, Solid-State; Laurates; Lead; Leukocyte L1 Antigen Complex; Leukocytes, Mononuclear; Light; Lipid Peroxidation; Lipopolysaccharides; Liposomes; Liver; Liver Cirrhosis; Liver Neoplasms; Liver Transplantation; Locomotion; Longitudinal Studies; Lopinavir; Lower Urinary Tract Symptoms; Lubricants; Lung; Lung Diseases, Interstitial; Lung Neoplasms; Lymphocyte Activation; Lymphocytes, Tumor-Infiltrating; Lymphoma, Mantle-Cell; Lysosomes; Macrophages; Male; Manganese Compounds; MAP Kinase Kinase 4; Mass Screening; Maternal Health; Medicine, Chinese Traditional; Melanoma, Experimental; Memantine; Membrane Glycoproteins; Membrane Proteins; Mesenchymal Stem Cell Transplantation; Metal Nanoparticles; Metalloendopeptidases; Metalloporphyrins; Methadone; Methane; Methicillin-Resistant Staphylococcus aureus; Mexico; Mice; Mice, Inbred BALB C; Mice, Inbred C57BL; Mice, Inbred ICR; Mice, Knockout; Mice, Nude; Mice, SCID; Mice, Transgenic; Microarray Analysis; Microbial Sensitivity Tests; Microbiota; Micronutrients; MicroRNAs; Microscopy, Confocal; Microsomes, Liver; Middle Aged; Milk; Milk, Human; Minority Groups; Mitochondria; Mitochondrial Membranes; Mitochondrial Proteins; Models, Animal; Models, Molecular; Molecular Conformation; Molecular Docking Simulation; Molecular Dynamics Simulation; Molecular Epidemiology; Molecular Structure; Molecular Weight; Multilocus Sequence Typing; Multimodal Imaging; Muscle Strength; Muscle, Skeletal; Muscular Diseases; Mutation; Mycobacterium tuberculosis; Myocardial Stunning; Myristates; NAD(P)H Dehydrogenase (Quinone); Nanocomposites; Nanogels; Nanoparticles; Nanotechnology; Naphthalenes; Nasal Cavity; National Health Programs; Necrosis; Needs Assessment; Neoadjuvant Therapy; Neonicotinoids; Neoplasm Invasiveness; Neoplasm Metastasis; Neoplasm Proteins; Neoplasm Recurrence, Local; Neoplasm Staging; Neoplasm Transplantation; Neoplasms; Neoplastic Stem Cells; Netherlands; Neuroblastoma; Neuroprotective Agents; Neutrophils; NF-kappa B; NFATC Transcription Factors; Nicotiana; Nicotine; Nitrates; Nitrification; Nitrites; Nitro Compounds; Nitrogen; Nitrogen Dioxide; North Carolina; Nuclear Magnetic Resonance, Biomolecular; Nuclear Proteins; Nucleic Acid Hybridization; Nucleosomes; Nutrients; Obesity; Obesity, Morbid; Oceans and Seas; Oncogene Protein v-akt; Oncogenes; Oocytes; Open Reading Frames; Osteoclasts; Osteogenesis; Osteoporosis; Osteoporosis, Postmenopausal; Outpatients; Ovarian Neoplasms; Ovariectomy; Overweight; Oxazines; Oxidants; Oxidation-Reduction; Oxidative Stress; Oxides; Oxidoreductases; Oxygen; Oxygen Inhalation Therapy; Oxygenators, Membrane; Ozone; Paclitaxel; Paenibacillus; Pain Measurement; Palliative Care; Pancreatic Neoplasms; Pandemics; Parasympathetic Nervous System; Particulate Matter; Pasteurization; Patient Preference; Patient Satisfaction; Pediatric Obesity; Permeability; Peroxiredoxins; Peroxynitrous Acid; Pharmaceutical Services; Pharmacists; Pharmacy; Phaseolus; Phenotype; Phoeniceae; Phosphates; Phosphatidylinositol 3-Kinases; Phospholipid Transfer Proteins; Phospholipids; Phosphorus; Phosphorylation; Photoperiod; Photosynthesis; Phylogeny; Physical Endurance; Physicians; Pilot Projects; Piperidines; Pituitary Adenylate Cyclase-Activating Polypeptide; Plant Extracts; Plant Leaves; Plant Proteins; Plant Roots; Plaque, Atherosclerotic; Pneumonia; Pneumonia, Viral; Point-of-Care Testing; Polyethylene Glycols; Polymers; Polysorbates; Pore Forming Cytotoxic Proteins; Positron Emission Tomography Computed Tomography; Positron-Emission Tomography; Postprandial Period; Poverty; Pre-Exposure Prophylaxis; Prediabetic State; Predictive Value of Tests; Pregnancy; Pregnancy Trimester, First; Pregnancy, High-Risk; Prenatal Exposure Delayed Effects; Pressure; Prevalence; Primary Graft Dysfunction; Primary Health Care; Professional Role; Professionalism; Prognosis; Progression-Free Survival; Prolactin; Promoter Regions, Genetic; Proof of Concept Study; Proportional Hazards Models; Propylene Glycol; Prospective Studies; Prostate; Protein Binding; Protein Biosynthesis; Protein Isoforms; Protein Kinase Inhibitors; Protein Phosphatase 2; Protein Processing, Post-Translational; Protein Serine-Threonine Kinases; Protein Structure, Tertiary; Protein Transport; Proteoglycans; Proteome; Proto-Oncogene Proteins c-akt; Proto-Oncogene Proteins c-myc; Proto-Oncogene Proteins c-ret; Proto-Oncogene Proteins p21(ras); Proton Pumps; Protons; Protoporphyrins; Pseudomonas aeruginosa; Pseudomonas fluorescens; Pulmonary Artery; Pulmonary Disease, Chronic Obstructive; Pulmonary Gas Exchange; Pulmonary Veins; Pyrazoles; Pyridines; Pyrimidines; Qualitative Research; Quinoxalines; Rabbits; Random Allocation; Rats; Rats, Sprague-Dawley; Rats, Wistar; Receptors, Histamine H3; Receptors, Immunologic; Receptors, Transferrin; Recombinant Proteins; Recurrence; Reference Values; Referral and Consultation; Regional Blood Flow; Registries; Regulon; Renal Insufficiency, Chronic; Reperfusion Injury; Repressor Proteins; Reproducibility of Results; Republic of Korea; Research Design; Resistance Training; Respiration, Artificial; Respiratory Distress Syndrome; Respiratory Insufficiency; Resuscitation; Retinal Dehydrogenase; Retreatment; Retrospective Studies; Reverse Transcriptase Inhibitors; Rhinitis, Allergic; Ribosomal Proteins; Ribosomes; Risk Assessment; Risk Factors; Ritonavir; Rivers; RNA Interference; RNA-Seq; RNA, Messenger; RNA, Ribosomal, 16S; RNA, Small Interfering; Rosuvastatin Calcium; Rural Population; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Salivary Ducts; Salivary Gland Neoplasms; San Francisco; SARS-CoV-2; Satiation; Satiety Response; Schools; Schools, Pharmacy; Seasons; Seawater; Selection, Genetic; Sequence Analysis, DNA; Serine-Threonine Kinase 3; Sewage; Sheep; Sheep, Domestic; Shock, Hemorrhagic; Signal Transduction; Silver; Silymarin; Single Photon Emission Computed Tomography Computed Tomography; Sirolimus; Sirtuin 1; Skin; Skin Neoplasms; Skin Physiological Phenomena; Sleep Initiation and Maintenance Disorders; Social Class; Social Participation; Social Support; Soil; Soil Microbiology; Solutions; Somatomedins; Soot; Specimen Handling; Spectrophotometry, Ultraviolet; Spectroscopy, Fourier Transform Infrared; Spectrum Analysis; Spinal Fractures; Spirometry; Staphylococcus aureus; STAT1 Transcription Factor; STAT3 Transcription Factor; Streptomyces coelicolor; Stress, Psychological; Stroke; Stroke Volume; Structure-Activity Relationship; Students, Medical; Students, Pharmacy; Substance Abuse Treatment Centers; Sulfur Dioxide; Surface Properties; Surface-Active Agents; Surveys and Questionnaires; Survival Analysis; Survival Rate; Survivin; Sweden; Swine; Swine, Miniature; Sympathetic Nervous System; T-Lymphocytes, Regulatory; Talaromyces; Tandem Mass Spectrometry; tau Proteins; Telemedicine; Telomerase; Telomere; Telomere Homeostasis; Temperature; Terminally Ill; Th1 Cells; Thiamethoxam; Thiazoles; Thiophenes; Thioredoxin Reductase 1; Thrombosis; Thulium; Thyroid Cancer, Papillary; Thyroid Carcinoma, Anaplastic; Thyroid Neoplasms; Time Factors; Titanium; Tomography, Emission-Computed, Single-Photon; Tomography, X-Ray Computed; TOR Serine-Threonine Kinases; Transcription Factor AP-1; Transcription Factors; Transcription, Genetic; Transcriptional Activation; Transcriptome; Transforming Growth Factor beta1; Transistors, Electronic; Translational Research, Biomedical; Transplantation Tolerance; Transplantation, Homologous; Transportation; Treatment Outcome; Tretinoin; Tuberculosis, Multidrug-Resistant; Tuberculosis, Pulmonary; Tubulin Modulators; Tumor Microenvironment; Tumor Necrosis Factor Inhibitors; Tumor Necrosis Factor-alpha; Twins; Ultrasonic Therapy; Ultrasonography; Ultraviolet Rays; United States; Up-Regulation; Uranium; Urethra; Urinary Bladder; Urodynamics; Uromodulin; Uveitis; Vasoconstrictor Agents; Ventricular Function, Left; Vero Cells; Vesicular Transport Proteins; Viral Nonstructural Proteins; Visual Acuity; Vital Capacity; Vitamin D; Vitamin D Deficiency; Vitamin K 2; Vitamins; Volatilization; Voriconazole; Waiting Lists; Waste Disposal, Fluid; Wastewater; Water Pollutants, Chemical; Whole Genome Sequencing; Wine; Wnt Signaling Pathway; Wound Healing; Wounds and Injuries; WW Domains; X-linked Nuclear Protein; X-Ray Diffraction; Xanthines; Xenograft Model Antitumor Assays; YAP-Signaling Proteins; Yogurt; Young Adult; Zebrafish; Zebrafish Proteins; Ziziphus | 2016 |
Article | Year |
The Egyptian journal of chest diseases and tuberculosis, 2016, Volume: 65, Issue:1
Middle East Respiratory Syndrome (MERS) is a novel respiratory illness firstly reported in Saudi Arabia in 2012. It is caused by a new corona virus, called MERS corona virus (MERS-CoV). Most people who have MERS-CoV infection developed severe acute respiratory illness.. This work is done to determine the clinical characteristics and the outcome of intensive care unit (ICU) admitted patients with confirmed MERS-CoV infection.. This study included 32 laboratory confirmed MERS corona virus infected patients who were admitted into ICU. It included 20 (62.50%) males and 12 (37.50%) females. The mean age was 43.99 ± 13.03 years. Diagnosis was done by real-time reverse transcription polymerase chain reaction (rRT-PCR) test for corona virus on throat swab, sputum, tracheal aspirate, or bronchoalveolar lavage specimens. Clinical characteristics, co-morbidities and outcome were reported for all subjects.. Most MERS corona patients present with fever, cough, dyspnea, sore throat, runny nose and sputum. The presence of abdominal symptoms may indicate bad prognosis. Prolonged duration of symptoms before patients' hospitalization, prolonged duration of mechanical ventilation and hospital stay, bilateral radiological pulmonary infiltrates, and hypoxemic respiratory failure were found to be strong predictors of mortality in such patients. Also, old age, current smoking, smoking severity, presence of associated co-morbidities like obesity, diabetes mellitus, chronic heart diseases, COPD, malignancy, renal failure, renal transplantation and liver cirrhosis are associated with a poor outcome of ICU admitted MERS corona virus infected patients.. Plasma HO-1, ferritin, p21, and NQO1 were all elevated at baseline in CKD participants. Plasma HO-1 and urine NQO1 levels each inversely correlated with eGFR (. SnPP can be safely administered and, after its injection, the resulting changes in plasma HO-1, NQO1, ferritin, and p21 concentrations can provide information as to antioxidant gene responsiveness/reserves in subjects with and without kidney disease.. A Study with RBT-1, in Healthy Volunteers and Subjects with Stage 3-4 Chronic Kidney Disease, NCT0363002 and NCT03893799.. HFNC did not significantly modify work of breathing in healthy subjects. However, a significant reduction in the minute volume was achieved, capillary [Formula: see text] remaining constant, which suggests a reduction in dead-space ventilation with flows > 20 L/min. (ClinicalTrials.gov registration NCT02495675).. 3 组患者手术时间、术中显性失血量及术后 1 周血红蛋白下降量比较差异均无统计学意义(. 对于肥胖和超重的膝关节单间室骨关节炎患者,采用 UKA 术后可获满意短中期疗效,远期疗效尚需进一步随访观察。.. Decreased muscle strength was identified at both time points in patients with hEDS/HSD. The evolution of most muscle strength parameters over time did not significantly differ between groups. Future studies should focus on the effectiveness of different types of muscle training strategies in hEDS/HSD patients.. These findings support previous adverse findings of e-cigarette exposure on neurodevelopment in a mouse model and provide substantial evidence of persistent adverse behavioral and neuroimmunological consequences to adult offspring following maternal e-cigarette exposure during pregnancy. https://doi.org/10.1289/EHP6067.. This RCT directly compares a neoadjuvant chemotherapy regimen with a standard CROSS regimen in terms of overall survival for patients with locally advanced ESCC. The results of this RCT will provide an answer for the controversy regarding the survival benefits between the two treatment strategies.. NCT04138212, date of registration: October 24, 2019.. Results of current investigation indicated that milk type and post fermentation cooling patterns had a pronounced effect on antioxidant characteristics, fatty acid profile, lipid oxidation and textural characteristics of yoghurt. Buffalo milk based yoghurt had more fat, protein, higher antioxidant capacity and vitamin content. Antioxidant and sensory characteristics of T. If milk is exposed to excessive amounts of light, Vitamins B. The two concentration of ZnO nanoparticles in the ambient air produced two different outcomes. The lower concentration resulted in significant increases in Zn content of the liver while the higher concentration significantly increased Zn in the lungs (p < 0.05). Additionally, at the lower concentration, Zn content was found to be lower in brain tissue (p < 0.05). Using TEM/EDX we detected ZnO nanoparticles inside the cells in the lungs, kidney and liver. Inhaling ZnO NP at the higher concentration increased the levels of mRNA of the following genes in the lungs: Mt2 (2.56 fold), Slc30a1 (1.52 fold) and Slc30a5 (2.34 fold). At the lower ZnO nanoparticle concentration, only Slc30a7 mRNA levels in the lungs were up (1.74 fold). Thus the two air concentrations of ZnO nanoparticles produced distinct effects on the expression of the Zn-homeostasis related genes.. Until adverse health effects of ZnO nanoparticles deposited in organs such as lungs are further investigated and/or ruled out, the exposure to ZnO nanoparticles in aerosols should be avoided or minimised. Topics: A549 Cells; Acetylmuramyl-Alanyl-Isoglutamine; Acinetobacter baumannii; Acute Lung Injury; Adaptor Proteins, Signal Transducing; Adenine; Adenocarcinoma; Adipogenesis; Administration, Cutaneous; Administration, Ophthalmic; Adolescent; Adsorption; Adult; Aeromonas hydrophila; Aerosols; Aged; Aged, 80 and over; Aging; Agriculture; Air Pollutants; Air Pollution; Airway Remodeling; Alanine Transaminase; Albuminuria; Aldehyde Dehydrogenase 1 Family; Algorithms; AlkB Homolog 2, Alpha-Ketoglutarate-Dependent Dioxygenase; Alzheimer Disease; Amino Acid Sequence; Ammonia; Ammonium Compounds; Anaerobiosis; Anesthetics, Dissociative; Anesthetics, Inhalation; Animals; Anti-Bacterial Agents; Anti-HIV Agents; Anti-Infective Agents; Anti-Inflammatory Agents; Antibiotics, Antineoplastic; Antibodies, Antineutrophil Cytoplasmic; Antibodies, Monoclonal, Humanized; Antifungal Agents; Antigens, Bacterial; Antigens, CD; Antigens, Differentiation, Myelomonocytic; Antimetabolites, Antineoplastic; Antineoplastic Agents; Antineoplastic Combined Chemotherapy Protocols; Antioxidants; Antitubercular Agents; Antiviral Agents; Apolipoproteins E; Apoptosis; Arabidopsis; Arabidopsis Proteins; Arsenic; Arthritis, Rheumatoid; Asthma; Atherosclerosis; ATP-Dependent Proteases; Attitude of Health Personnel; Australia; Austria; Autophagy; Axitinib; Bacteria; Bacterial Outer Membrane Proteins; Bacterial Proteins; Bacterial Toxins; Bacterial Typing Techniques; Bariatric Surgery; Base Composition; Bayes Theorem; Benzoxazoles; Benzylamines; beta Catenin; Betacoronavirus; Betula; Binding Sites; Biological Availability; Biological Oxygen Demand Analysis; Biomarkers; Biomarkers, Tumor; Biopsy; Bioreactors; Biosensing Techniques; Birth Weight; Blindness; Blood Chemical Analysis; Blood Gas Analysis; Blood Glucose; Blood Pressure; Blood Pressure Monitoring, Ambulatory; Blood-Brain Barrier; Blotting, Western; Body Mass Index; Body Weight; Bone and Bones; Bone Density; Bone Resorption; Borates; Brain; Brain Infarction; Brain Injuries, Traumatic; Brain Neoplasms; Breakfast; Breast Milk Expression; Breast Neoplasms; Bronchi; Bronchoalveolar Lavage Fluid; Buffaloes; Cadherins; Calcification, Physiologic; Calcium Compounds; Calcium, Dietary; Cannula; Caprolactam; Carbon; Carbon Dioxide; Carboplatin; Carcinogenesis; Carcinoma, Ductal; Carcinoma, Ehrlich Tumor; Carcinoma, Hepatocellular; Carcinoma, Non-Small-Cell Lung; Carcinoma, Pancreatic Ductal; Carcinoma, Renal Cell; Cardiovascular Diseases; Carps; Carrageenan; Case-Control Studies; Catalysis; Catalytic Domain; Cattle; CD8-Positive T-Lymphocytes; Cell Adhesion; Cell Cycle Proteins; Cell Death; Cell Differentiation; Cell Line; Cell Line, Tumor; Cell Movement; Cell Nucleus; Cell Phone Use; Cell Proliferation; Cell Survival; Cell Transformation, Neoplastic; Cell Transformation, Viral; Cells, Cultured; Cellulose; Chemical Phenomena; Chemoradiotherapy; Child; Child Development; Child, Preschool; China; Chitosan; Chlorocebus aethiops; Cholecalciferol; Chromatography, Liquid; Circadian Clocks; Circadian Rhythm; Circular Dichroism; Cisplatin; Citric Acid; Clinical Competence; Clinical Laboratory Techniques; Clinical Trials, Phase I as Topic; Clinical Trials, Phase II as Topic; Clostridioides difficile; Clostridium Infections; Coculture Techniques; Cohort Studies; Cold Temperature; Colitis; Collagen Type I; Collagen Type I, alpha 1 Chain; Collagen Type XI; Color; Connective Tissue Diseases; Copper; Coronary Angiography; Coronavirus 3C Proteases; Coronavirus Infections; Cost of Illness; Counselors; COVID-19; COVID-19 Testing; Creatine Kinase; Creatinine; Cross-Over Studies; Cross-Sectional Studies; Cryoelectron Microscopy; Cryosurgery; Crystallography, X-Ray; Cues; Cultural Competency; Cultural Diversity; Curriculum; Cyclic AMP Response Element-Binding Protein; Cyclin-Dependent Kinase Inhibitor p21; Cycloparaffins; Cysteine Endopeptidases; Cytokines; Cytoplasm; Cytoprotection; Databases, Factual; Denitrification; Deoxycytidine; Diabetes Complications; Diabetes Mellitus; Diabetes Mellitus, Experimental; 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Transistors, Electronic; Translational Research, Biomedical; Transplantation Tolerance; Transplantation, Homologous; Transportation; Treatment Outcome; Tretinoin; Tuberculosis, Multidrug-Resistant; Tuberculosis, Pulmonary; Tubulin Modulators; Tumor Microenvironment; Tumor Necrosis Factor Inhibitors; Tumor Necrosis Factor-alpha; Twins; Ultrasonic Therapy; Ultrasonography; Ultraviolet Rays; United States; Up-Regulation; Uranium; Urethra; Urinary Bladder; Urodynamics; Uromodulin; Uveitis; Vasoconstrictor Agents; Ventricular Function, Left; Vero Cells; Vesicular Transport Proteins; Viral Nonstructural Proteins; Visual Acuity; Vital Capacity; Vitamin D; Vitamin D Deficiency; Vitamin K 2; Vitamins; Volatilization; Voriconazole; Waiting Lists; Waste Disposal, Fluid; Wastewater; Water Pollutants, Chemical; Whole Genome Sequencing; Wine; Wnt Signaling Pathway; Wound Healing; Wounds and Injuries; WW Domains; X-linked Nuclear Protein; X-Ray Diffraction; Xanthines; Xenograft Model Antitumor Assays; YAP-Signaling Proteins; Yogurt; Young Adult; Zebrafish; Zebrafish Proteins; Ziziphus | 2016 |
Article | Year |
Bone marrow necrosis as complication of treatment with all-trans retinoic acid and arsenic trioxide: case report and implications for treatment.Annals of hematology, 2022, Volume: 101, Issue:5
Topics: Antineoplastic Combined Chemotherapy Protocols; Arsenic Trioxide; Arsenicals; Bone Marrow; Humans; Leukemia, Promyelocytic, Acute; Necrosis; Tretinoin | 2022 |
The Capsid Protein of Nervous Necrosis Virus Antagonizes Host Type I IFN Production by a Dual Strategy to Negatively Regulate Retinoic Acid-Inducible Gene-I-like Receptor Pathways.Journal of immunology (Baltimore, Md. : 1950), 2022, 07-15, Volume: 209, Issue:2
Nervous necrosis virus (NNV), a highly pathogenic RNA virus, is a major pathogen in the global aquaculture industry. To efficiently infect fish, NNV must evade or subvert the host IFN for their replication; however, the precise mechanisms remain to be elucidated. In this study, we reported that capsid protein (CP) of red-spotted grouper NNV (RGNNV) suppressed the IFN antiviral response to promote RGNNV replication in Topics: Animals; Capsid Proteins; Fish Diseases; Fish Proteins; Fishes; HEK293 Cells; Humans; Interferon Regulatory Factors; Interferons; Necrosis; Nodaviridae; RNA Virus Infections; Tretinoin | 2022 |
All-American journal of physiology. Renal physiology, 2017, Dec-01, Volume: 313, Issue:6
Although all- Topics: Aminophenols; Animals; Apoptosis; Cisplatin; Cytoprotection; Enzyme Activation; Epithelial Cells; Extracellular Signal-Regulated MAP Kinases; Glutathione; Iodoacetamide; Kidney; LLC-PK1 Cells; Necrosis; Phosphorylation; Proto-Oncogene Proteins c-akt; Reactive Oxygen Species; Signal Transduction; Swine; Time Factors; Tretinoin | 2017 |
Retinoids and glucocorticoids target common genes in hippocampal HT22 cells.Journal of neurochemistry, 2013, Volume: 125, Issue:4
Vitamin A metabolite retinoic acid (RA) plays a major role in the aging adult brain plasticity. Conversely, chronic excess of glucocorticoids (GC) elicits some deleterious effects in the hippocampus. We questioned here the involvement of RA and GC in the expression of target proteins in hippocampal neurons. We investigated proteins involved either in the signaling pathways [RA receptor β (RARβ) and glucocorticoid receptor (GR)] or in neuron differentiation and plasticity [tissue transglutaminase 2 (tTG) and brain-derived neurotrophic factor (BDNF)] in a hippocampal cell line, HT22. We applied RA and/or dexamethasone (Dex) as activators of the pathways and investigated mRNA and protein expression of their receptors and of tTG and BDNF as well as tTG activity and BDNF secretion. Our results confirm the involvement of RA- and GC-dependent pathways and their interaction in our neuronal cell model. First, both pathways regulate the transcription and expression of own and reciprocal receptors: RA and Dex increased RARβ and decreased GR expressions. Second, Dex reduces the expression of tTG when associated with RA despite stimulating its expression when used alone. Importantly, when they are combined, RA counteracts the deleterious effect of glucocorticoids on BDNF regulation and thus may improve neuronal plasticity under stress conditions. In conclusion, GC and RA both interact through regulations of the two receptors, RARβ and GR. Furthermore, they both act, synergistically or oppositely, on other target proteins critical for neuronal plasticity, tTG and BDNF. Topics: Aging; Animals; Apoptosis; Brain-Derived Neurotrophic Factor; Cell Line, Transformed; Cell Survival; Dexamethasone; Drug Synergism; Gene Expression; Glucocorticoids; GTP-Binding Proteins; Hippocampus; Mice; Necrosis; Neural Stem Cells; Neuronal Plasticity; Protein Glutamine gamma Glutamyltransferase 2; Receptors, Glucocorticoid; Receptors, Retinoic Acid; RNA, Messenger; Signal Transduction; Transglutaminases; Tretinoin | 2013 |
Anti-tumor activity of all-trans retinoic acid-incorporated glycol chitosan nanoparticles against HuCC-T1 human cholangiocarcinoma cells.International journal of pharmaceutics, 2012, Jan-17, Volume: 422, Issue:1-2
The aim of this study is to investigate antitumor activity of all-trans retinoic acid (RA)-incorporated glycol chitosan (GC) nanoparticles. RA-incorporated GC nanoparticles were prepared by electrostatic interaction between RA and amine group of GC. RA-incorporated GC nanoparticles have spherical shape and their particle size was 317 ± 34.5 nm. They were simply reconstituted into aqueous solution without changes of intrinsic properties. RA-incorporated GC nanoparticles were evidently inhibited the proliferation of HuCC-T1 cholangiocarcinoma cells at higher than 20 μg/ml of RA concentration while empty GC vegicles did not affect to the viablity of tumor cells. Apoptosis and necrosis analysis of tumor cells with treatment of RA or RA-incorporated GC nanoparticles also supported these results. Invasion test using Matrigel also showed that invasion of tumor cells was significantly inhibited at higher than 20 μg/ml of RA concentration. Wound healing assay also showed that RA-incorporated GC nanoparticles were inhibited migration of tumor cells as similar to RA itself. Our results suggested that RA-incorporated GC nanoparticles is a promising vehicles for RA delivery to HuCC-T1 cholangiocarcinoma cells. Topics: Antineoplastic Agents; Apoptosis; Bile Duct Neoplasms; Bile Ducts, Intrahepatic; Cell Line, Tumor; Cell Movement; Cell Proliferation; Cell Survival; Chemistry, Pharmaceutical; Chitosan; Cholangiocarcinoma; Dose-Response Relationship, Drug; Drug Carriers; Drug Compounding; Humans; Nanoparticles; Nanotechnology; Necrosis; Neoplasm Invasiveness; Particle Size; Technology, Pharmaceutical; Tretinoin | 2012 |
αvβ3 imaging can accurately distinguish between mature teratoma and necrosis in 18F-FDG-negative residual masses after treatment of non-seminomatous testicular cancer: a preclinical study.European journal of nuclear medicine and molecular imaging, 2011, Volume: 38, Issue:2
We assessed whether imaging α(v)β(3) integrin could distinguish mature teratoma from necrosis in human non-seminomatous germ cell tumour (NSGCT) post-chemotherapy residual masses.. Human embryonal carcinoma xenografts (six/rat) were untreated (controls) or treated to form mature teratomas with low-dose cisplatin and all-trans retinoic acid (ATRA) over a period of 8 weeks. In another group, necrosis was induced in xenografts with high-dose cisplatin plus etoposide (two cycles). (18)F-Fluorodeoxyglucose ((18)F-FDG) small animal positron emission tomography (SA PET) imaging was performed in three rats (one control and two treated for 4 and 8 weeks with cisplatin+ATRA). Imaging of α(v)β(3) expression was performed in six rats bearing mature teratomas and two rats with necrotic lesions on a microSPECT/CT device after injection of the tracer [(99m)Tc]HYNIC-RGD [6-hydrazinonicotinic acid conjugated to cyclo(Arg-Gly-Asp-D-Phe-Lys)]. Correlative immunohistochemistry studies of human and mouse α(v)β(3) expression were performed.. Cisplatin+ATRA induced differentiation of the xenografts. After 8 weeks, some glandular structures and mesenchymal cells were visible; in contrast, control tumours showed undifferentiated tissues. SA PET imaging showed that mature teratoma had very low avidity for (18)F-FDG [mean standardised uptake value (SUV(mean)) = 0.48 ± 0.05] compared to untreated embryonal carcinoma (SUV(mean) = 0.92 ± 0.13) (p = 0.005). α(v)β(3) imaging accurately distinguished mature teratoma (tumour to muscle ratio = 4.29 ± 1.57) from necrosis (tumour to muscle ratio = 1.3 ± 0.26) (p = 0.0002). Immunohistochemistry studies showed that α(v)β(3) integrin expression was strong in the glandular structures of mature teratoma lesions and negative in host stroma.. Imaging α(v)β(3) integrin accurately distinguished mature teratoma from necrosis following cisplatin-based treatment in human NSGCT xenografts. Topics: Animals; Cell Differentiation; Cell Line, Tumor; Cell Transformation, Neoplastic; Cisplatin; Diagnosis, Differential; Fluorodeoxyglucose F18; Humans; Integrin alphaVbeta3; Male; Molecular Imaging; Necrosis; Neoplasm, Residual; Rats; Teratoma; Testicular Neoplasms; Tomography, Emission-Computed, Single-Photon; Tomography, X-Ray Computed; Tretinoin | 2011 |
Reversible bone marrow necrosis after all-trans retinoic acid induction therapy for acute promyelocytic leukaemia.Pathology, 2011, Volume: 43, Issue:5
Topics: Adult; Antineoplastic Combined Chemotherapy Protocols; Bone Marrow Cells; Enterocolitis, Pseudomembranous; Humans; Idarubicin; Leukemia, Promyelocytic, Acute; Male; Mercaptopurine; Methotrexate; Necrosis; Recovery of Function; Remission Induction; Tretinoin; Vancomycin | 2011 |
Retinoids during the in vitro transition from bovine morula to blastocyst.Human reproduction (Oxford, England), 2006, Volume: 21, Issue:8
The conversion of retinol (ROH) to retinoic acid (RA) is crucial during development but has been not studied during blastocyst formation.. In vitro-produced bovine morulae were treated for 24 h with citral (which inhibits the synthesis of RA from ROH), citral + all trans retinoic acid (ATRA), ATRA or no additives. Citral interfered with blastocyst development, whereas exogenous RA had no effect. RA, however, reversed the effect of citral on development and stimulated cell proliferation. Neither citral nor RA changed the apoptotic index, but RA triggered an increase in the apoptotic frequency of the inner cell mass. Citral and RA reduced the necrotic index. Na/K-ATPase alpha1-subunit mRNA concentrations (analysed by real-time PCR) increased after hatching and showed dependence on retinoid activity, but no evidence was found of any retinoid effect on p53 expression. Nevertheless, the p53 mRNA concentration increased in response to proliferation in hatched blastocysts.. The preimplantation bovine embryo metabolizes endogenous ROH to RA, which participates in important cell processes. The true extent of the influence of RA is unknown, although the modulation of retinoid metabolism seems to be a means of increasing cell proliferation. This knowledge might be used to improve embryo quality and the efficiency of stem cell derivation. Topics: Acyclic Monoterpenes; Animals; Apoptosis; Blastocyst; Cattle; Female; Monoterpenes; Morula; Necrosis; Protein Subunits; Sodium-Potassium-Exchanging ATPase; Tretinoin; Tumor Suppressor Protein p53; Vitamin A | 2006 |
The effect of doxorubicin and retinoids on proliferation, necrosis and apoptosis in MCF-7 breast cancer cells.Folia histochemica et cytobiologica, 2004, Volume: 42, Issue:4
Doxorubicin (Adriamycin) is the most active drug in the treatment of breast cancer. The aim of this study was to investigate the interaction of doxorubicin and retinoids in the inhibition of proliferation of hormone sensitive (ER+) human breast cancer cell line MCF-7 and to find out whether this combination can result in the enhancement of its therapeutic effect. As a comparison we also used estradiol and tamoxifen. We also made an attempt to elucidate the effect of these compounds on the stimulation of the apoptotic pathway in breast cancer cells. Cell proliferation in a 24-hour culture was assessed by [3H] thymidine incorporation into cancer cells and by immunocytochemical analysis of cellular cycle-related PCNA and Ki-67 antigens expression, after the incubation of the cell culture with 10, 20 and 50 nM doxorubicin (DOX), 2 nM estradiol (E2), 10 microM tamoxifen (TAM) and 1 nM, 0.01, 0.1, 1 and 10 microM of all-trans retinoid acid (ATRA). The assessment of cell viability and analysis of apoptotic and necrotic cells were performed after the 72-hour incubation of the culture with the examined substances and following apoptosis induction using acridine orange and ethidine bromide. Of the doxorubicin concentrations used in the study, 20 nM inhibited thymidine incorporation to 84.83 +/- 10.00% (control=100%). In the same culture conditions, 2 nM E2 stimulated cancer cells to 157.09 +/- 8.84%. Concentrations of 10 microM TAM and 10 microM ATRA inhibited the proliferation to 63.16 +/- 7.85% and 52.19 +/- 3.21%, respectively. A statistically significant reduction of these values was observed when 20 nM DOX was added to medium with E2 - 39.24 +/- 7.6%, TAM - 48.34 +/- 2.05% and ATRA - 21.98 +/- 1.69%, respectively; the percentage of PCNA- and Ki-67-positive cells was also reduced. Despite high antiproliferative efficacy of 20 nM DOX and 10 microM ATRA combination, the percentage of apoptotic cells was only 25 +/- 0.81%, being similar to that obtained in the culture with 20 nM DOX. The concentrations of 10, 20 and 50 nM DOX that were used to inhibit the proliferation of MCF-7 cell line were not particulary effective. The inhibitory effect was obtained when 20 nM of DOX and E2, TAM or ATRA were used simultaneously. The use of E2 caused a two-fold decrease in the percentage of proliferating cells. It was also shown that the effectiveness of DOX in combination with ATRA is significantly higher than that of DOX combined with TAM, which might suggest a valuable appro Topics: Apoptosis; Breast Neoplasms; Cell Line, Tumor; Cell Proliferation; Dose-Response Relationship, Drug; Doxorubicin; Estradiol; Estrogen Antagonists; Female; Humans; Immunohistochemistry; Necrosis; Tamoxifen; Tretinoin | 2004 |
Acute renal cortex necrosis caused by arterial thrombosis during treatment for acute promyelocytic leukemia.Haematologica, 2003, Volume: 88, Issue:6
Topics: Acute Kidney Injury; Adult; Antifibrinolytic Agents; Antineoplastic Agents; Female; Humans; Kidney Cortex; Leukemia, Promyelocytic, Acute; Necrosis; Renal Artery; Thrombosis; Tomography, X-Ray Computed; Tranexamic Acid; Tretinoin | 2003 |
Therapeutic effect of all-trans retinoic acid on rats with anti-GBM antibody glomerulonephritis.Kidney international, 2003, Volume: 64, Issue:4
All-trans retinoic acid (ATRA) has antiproliferative and anti-inflammatory effects and is currently used in the treatment of leukemia and dermatologic diseases. We tested the therapeutic potential of ATRA on anti-glomerular basement membrane (GBM) glomerulonephritis rats.. Glomerulonephritis was induced in male Wistar-Kyoto rats on day 0 by an intravenous injection of antirat GBM antibody. On day 14 after the induction of anti-GBM glomerulonephritis, some rats were sacrificed (N = 5). Another 10 rats were divided into two groups: the vehicle group (N = 5) and the ATRA treated group (N = 5). ATRA was orally administrated from day 14 to day 27 after disease induction. Blood pressure, body weight, urinary protein excretion, and blood chemistry was determined on days 1, 14, 21, and 27. Kidney samples were obtained on day 28. The kidneys were examined with periodic acid-Schiff staining (PAS) and immunohistochemistry using antibodies against the proliferative cell nuclear antigen (PCNA), rat monocyte and macrophage (ED-1), and alpha-smooth muscle actin (alpha-SMA). Glomerular RNA was extracted from isolated glomeruli, and reverse transcription (RT) followed by polymerase chain reaction (PCR) was performed.. ATRA administration produced a 55% reduction of proteinuria in glomerulonephritis rats. Light microscopic analysis revealed severe necrosis/crescent formation (>50% of the glomerulus) affecting 34% of glomeruli in vehicle rats, whereas ATRA treatment reduced the glomeruli showing severe change to 14%. ATRA also significantly reduced PCNA-positive cells, ED-1-positive cells and alpha-SMA-positive area in the glomeruli. RT-PCR analyses revealed that a wide variety of genes including inflammation related [tumor necrosis factor-alpha (TNF-alpha), interleukin-1beta (IL-1beta), and CCAAT enhancer-binding protein delta (C/EBPdelta)], cell proliferation-related [platelet-derived growth factor (PDGF)] and fibrosis-related [transforming growth factor-beta1 (TGF-beta1), type I collagen, and alpha-SMA) genes were suppressed in the glomeruli of ATRA-treated rats.. ATRA administration significantly reduced severe necrosis/crescent formation and urinary protein excretion in glomerulonephritis rats. Suppression of a wide variety of gene expression may partly explain the mechanism of ATRA's antiproliferative and anti-inflammatory effects. These data suggest a novel therapeutic application of ATRA toward glomerulonephritis. Topics: Animals; Anti-Glomerular Basement Membrane Disease; Anti-Inflammatory Agents; Blood Pressure; Body Weight; Cell Division; Gene Expression; Kidney; Kidney Glomerulus; Male; Necrosis; Proteinuria; Rats; Rats, Inbred WKY; Tretinoin | 2003 |
Effect of melatonin and all-trans retinoic acid on the proliferation and induction of the apoptotic pathway in the culture of human breast cancer cell line MCF-7.Polish journal of pathology : official journal of the Polish Society of Pathologists, 2002, Volume: 53, Issue:2
Melatonin in the in vitro conditions inhibits cell growth and proliferation of estrogen sensitive (ER+) cell line MCF-7 in culture. In the present study, during a 48-hour incubation melatonin at a concentration of 10(-5) M inhibited [3H]thymidine incorporation into cancer cells at the level of 69.52% +/- 10.99. Melatonin had no inhibitory effect on the physiological stimulatory action of estradiol. Tamoxifen added to the medium modulated the melatonin action only when the latter was added 24 hours after tamoxifen (46.45% +/- 4.40, p < 0.05). Tretinoin added to the culture caused a statistically significant reduction in [3H]thymidine incorporation into the cancer cells, compared to the melatonin and tretinoin groups, when treatment with retinoid was synergistic (39.05% +/- 5.44, p < 0.05) or sequential (tretinoin and after 24 h melatonin) (39.96% +/- 1.55, p < 0.05). This was confirmed by immunocytochemical investigations, which showed a statistically significant reduction in the percentage of PCNA- and Ki67-positive cells. Apart from the inhibitory effect on MCF-7 cell proliferation retinoids induce the apoptotic pathway in a dose-dependent manner. Melatonin added to the culture enhances this effect, which may indicate the potential for the use of both substances in the treatment of breast cancer in women. Topics: Antineoplastic Agents; Apoptosis; Breast Neoplasms; Cell Count; Cell Division; Dose-Response Relationship, Drug; Drug Synergism; Estradiol; Female; Humans; Immunohistochemistry; Ki-67 Antigen; Melatonin; Necrosis; Proliferating Cell Nuclear Antigen; Tamoxifen; Tretinoin; Tumor Cells, Cultured | 2002 |
Maintenance of ATP favours apoptosis over necrosis triggered by benzamide riboside.Cell death and differentiation, 2002, Volume: 9, Issue:2
A new synthetic drug, benzamide riboside (BR) exhibited strong oncolytic activity against leukemic cells in the 5-10 microM range. Higher BR-concentrations (20 microM) predominantly induced necrosis which correlated with DNA strand breaks and subsequent depletion of ATP- and dATP levels. Replenishment of the ATP pool by addition of adenosine prevented necrosis and favoured apoptosis. This effect was not a pecularity of BR-treatment, but was reproduced with high concentrations of all trans-retinoic acid (120 microM) and cyanide (20 mM). Glucose was also capable to suppress necrosis and to favour apoptosis of HL-60 cells, which had been treated with necrotic doses of BR and cyanide. Apoptosis eliminates unwanted cells without affecting the microenvironment, whereas necrosis causes severe inflammation of surrounding tissues due to spillage of cell fluids into the peri-cellular space. Thus, the monitoring and maintenance of cellular energy pools during therapeutic drug treatment may help to minimize nonspecific side effects and to improve attempted drug effects. Topics: Adenosine; Adenosine Triphosphate; Antineoplastic Agents; Apoptosis; Benzamides; Comet Assay; Deoxyadenine Nucleotides; Deoxycytosine Nucleotides; Deoxyribonucleotides; DNA Damage; Dose-Response Relationship, Drug; Enzyme Inhibitors; HL-60 Cells; Humans; IMP Dehydrogenase; Necrosis; Nucleosides; Poly(ADP-ribose) Polymerase Inhibitors; Potassium Cyanide; Tretinoin | 2002 |
Acute arterial occlusion as the presenting feature in acute promyelocytic leukaemia.British journal of haematology, 2001, Volume: 115, Issue:1
Topics: Amputation, Surgical; Anticoagulants; Antineoplastic Combined Chemotherapy Protocols; Arterial Occlusive Diseases; Cytarabine; Daunorubicin; Female; Foot Diseases; Heparin; Humans; Leukemia, Promyelocytic, Acute; Middle Aged; Necrosis; Popliteal Artery; Thioguanine; Tretinoin | 2001 |
All-trans retinoic acid-induced vasculitis and hemonecrosis of the ileum in a patient with acute promyelocytic leukemia.Leukemia, 1999, Volume: 13, Issue:4
Topics: Adult; Antineoplastic Agents; Drug Eruptions; Female; Humans; Ileal Diseases; Ileum; Ischemia; Leukemia, Promyelocytic, Acute; Necrosis; Skin; Tretinoin; Vasculitis | 1999 |
The toxicity of 6-hydroxydopamine on PC12 and P19 cells.Brain research. Molecular brain research, 1999, May-21, Volume: 69, Issue:1
Considerable evidence implicates the involvement of mitochondrial dysfunction in neurodegenerative diseases. 6OHDA is a mitochondrial complex I inhibitor which is frequently used to model Parkinson's disease-like cell loss. We investigated the cell death pathways triggered by 6OHDA in PC12 and P19 cells with a view to shedding light on the molecular basis of Parkinson's disease. We found that 6OHDA triggered mostly necrosis and less than 5% apoptosis in PC12 cells, whereas 6OHDA-induced death in P19 cells was apoptotic. While desipramine, a dopamine uptake blocker, attenuated 6OHDA-induced apoptosis in PC12 cells, this compound had no effect on the large scale necrotic death. Furthermore, desipramine failed to reduce apoptosis in 6OHDA-treated P19 cells, suggesting that the mechanism of 6OHDA toxicity does not require uptake via the dopamine transporter. As cell death triggered by 6OHDA was not blocked by free radical scavengers or NMDA receptor antagonists, a non-specific extracellular mechanism may be involved. Topics: Animals; Antineoplastic Agents; Apoptosis; Aurintricarboxylic Acid; Biological Transport; Bisbenzimidazole; Carrier Proteins; Cell Membrane; Desipramine; Dopamine; Dopamine Plasma Membrane Transport Proteins; Dose-Response Relationship, Drug; Enzyme Inhibitors; Fluorescent Dyes; Free Radical Scavengers; In Situ Nick-End Labeling; Melatonin; Membrane Glycoproteins; Membrane Transport Proteins; Necrosis; Nerve Tissue Proteins; Neurons; NG-Nitroarginine Methyl Ester; Oxidopamine; Parkinson Disease, Secondary; PC12 Cells; Rats; Sympatholytics; Tretinoin; Tritium | 1999 |
The early phase of apoptosis in human neuroblastoma CHP100 cells is characterized by lipoxygenase-dependent ultraweak light emission.Biochemical and biophysical research communications, 1999, Nov-30, Volume: 265, Issue:3
Human neuroblastoma CHP100 cells were forced into apoptosis (programmed cell death, PCD) or necrosis by treatment with calcium chloride or sodium nitroprusside (a nitric oxide donor), respectively. Cellular luminescence, a marker of membrane lipid peroxidation, was increased by calcium but not by nitroprusside, and reached a maximum of 4-fold the control value 2 hours after treatment. The increase in luminescence was paralleled by increased 5-lipoxygenase (up to 250% of the control value) and decreased catalase (down to 50%) activity within the same time window. Consistently, incubation of CHP100 cells with inhibitors of 5-lipoxygenase (5,8,11,14-eicosatetraynoic acid and MK886) reduced light emission and PCD, whereas inhibition of catalase by 3-amino-1, 2,4-triazole enhanced both processes. Treatment of CHP100 cells with retinoic acid or cisplatin, unrelated PCD inducers reported to activate the lipoxygenase pathway, also gave enhanced light emission parallel to PCD increase. Altogether, these results suggest that cellular luminescence is an early marker of apoptotic, but not necrotic, program(s) involving generation of hydrogen peroxide and activation of 5-lipoxygenase. Topics: 5,8,11,14-Eicosatetraynoic Acid; Amitrole; Apoptosis; Arachidonate 5-Lipoxygenase; Catalase; Cisplatin; Enzyme Inhibitors; Humans; Hydrogen Peroxide; Indoles; Leukotrienes; Lipid Peroxidation; Lipoxygenase Inhibitors; Luminescent Measurements; Necrosis; Neuroblastoma; Tretinoin; Tumor Cells, Cultured | 1999 |
All trans retinoic acid as the possible cause of necrotizing vasculitis.Leukemia research, 1998, Volume: 22, Issue:7
All trans retinoic acid (ATRA) is the drug of choice in the treatment of acute promyelocytic leukemia (APL). Generally, it is well tolerated but it has some side-effects, some of which may be fatal. The most severe side-effect of ATRA is ATRA syndrome; the other side-effects are rather dermatologic. Among these vasculitis has not been reported so far. We detected fever and skin lesions in two patients treated with ATRA where histopathologic examination revealed necrotizing vasculitis. With cessation of ATRA and corticosteroid administration, the lesions healed and fever quickly disappeared. Topics: Adult; Female; Humans; Leukemia, Promyelocytic, Acute; Male; Necrosis; Tretinoin; Vasculitis | 1998 |
Exacerbation of coagulopathy with concurrent bone marrow necrosis, hepatic and renal dysfunction secondary to all-trans retinoic acid therapy for acute promyelocytic leukemia.Hematological oncology, 1997, Volume: 15, Issue:1
A 22-year-old female presented with acute promyelocytic leukemia (APL). Treatment with all-trans retinoic acid (ATRA) resulted in a severe exacerbation of the coagulopathy 5 days after its introduction. This was complicated by bone marrow necrosis, parenchymal liver damage and acute tubular necrosis. Temporary cessation of the drug and subsequent dose reduction was effective in controlling the coagulopathy. Topics: Adult; Antineoplastic Agents; Blood Coagulation Disorders; Bone Marrow; Chemical and Drug Induced Liver Injury; Female; Humans; Kidney Diseases; Leukemia, Promyelocytic, Acute; Liver Diseases; Necrosis; Tretinoin | 1997 |
Effect of n-3 and n-6 fatty acids on proliferation and differentiation of promyelocytic leukemic HL-60 cells.Blood, 1994, Dec-01, Volume: 84, Issue:11
Promyelocytic leukemic HL-60 cells were incubated with different fatty acids. Arachidonic acid (AA; 20:4, n-6) and eicosapentaenoic acid (EPA; 20:5, n-3) were the most potent inhibitors of proliferation in a dose-dependent way. Retinoic acid (RA) was used as a positive control. Inhibitors of cyclooxygenase and lipoxygenase or addition of antioxidants did not influence the effect of EPA or AA on cell proliferation. Increased capacity to generate superoxide anions after phorbol ester treatment and a reduced serglycin messenger RNA level in cells treated with AA or EPA indicated that these fatty acids induced differentiation in HL-60 cells similar to that induced by RA. However, down-regulation of the c-myc mRNA level, also typical for differentiation with RA in HL-60 cells, was not observed in cells incubated with AA or EPA. Flow cytometric analyses showed that in cultures incubated with AA or EPA, the proportion of cells in the G1 phase of the cell cycle increased. Similar effects were observed with RA. By flow cytometry and light scatter analyses it could be shown that AA made 8% of the cells apoptotic and 7% necrotic. The corresponding numbers were 21% and 10% for RA-treated cells, and 19% and 32% for EPA-treated cells. The present study shows that AA and EPA reduce the proliferation rate of HL-60 cells. This is mediated by mechanisms independent of eicosanoids or lipid peroxidation products and is due to effects both on apoptosis/necrosis and cell differentiation. Topics: Apoptosis; Arachidonic Acid; Cell Differentiation; Cell Division; DNA Replication; DNA, Neoplasm; Dose-Response Relationship, Drug; Eicosapentaenoic Acid; Fatty Acids; Fatty Acids, Unsaturated; Flow Cytometry; Gene Expression Regulation, Leukemic; Granulocytes; Humans; Indomethacin; Leukemia, Promyelocytic, Acute; Masoprocol; Monocytes; Necrosis; Neoplastic Stem Cells; Proteoglycans; Proto-Oncogene Proteins c-myc; Respiratory Burst; Tretinoin; Tumor Cells, Cultured; Vesicular Transport Proteins | 1994 |
Bone marrow necrosis in two patients with acute promyelocytic leukemia during treatment with all-trans retinoic acid.American journal of hematology, 1994, Volume: 47, Issue:1
All-trans retinoic acid has been used for the treatment of acute promyelocytic leukemia (APL) with encouraging results. However, it has recently been associated with a number of potentially serious complications including the retinoic acid syndrome. We describe two patients with APL who were begun on all-trans retinoic acid therapy (45 mg/m2), but who developed leukocytosis which was treated with hydroxyurea. Both patients demonstrated clinical and laboratory findings of disseminated intravascular coagulation, massive cell lysis manifested by marked increases in serum lactic dehydrogenase, and rapid clinical deterioration. Both patients developed bone marrow necrosis within viable, noninfarcted bone trabeculae. We postulate that the development of bone marrow necrosis in these two patients was not a chance occurrence. Rather, the specific combination of cytotoxic and differentiating agents used in these patients (hydroxyurea with all-trans retinoic acid) caused massive cell lysis and death. The absence of bone marrow necrosis in the setting of induction therapy for APL both with and without all-trans retinoic acid therapy suggests that the addition of hydroxyurea was critical to the development of marrow necrosis. We, therefore, recommend caution in the use of hydroxyurea and all-trans retinoic acid in the treatment of APL. Topics: Adult; Bone Marrow; Humans; Leukemia, Promyelocytic, Acute; Male; Necrosis; Tretinoin | 1994 |
Bone marrow necrosis following ALL-trans retinoic acid therapy for acute promyelocytic leukaemia.Leukemia & lymphoma, 1994, Volume: 13, Issue:3-4
Acute promyelocytic leukaemia (APL) (FAB-M3) is associated with fatal haemorrhagic complications in 10 to 20% of patients. Recently ALL-Trans Retinoic acid (ALL-Trans RA) therapy has been used with rapid correction of the coagulopathy. Although minimal haematologic toxicity has been reported, a number of potentially serious side-effect have been described. We report a case of bone marrow necrosis occurring in a patient with APL treated with ALL-Trans RA. The possible relationship of this complication to retinoid therapy is discussed. This patient subsequently recovered and not only achieved complete remission but tolerated two cycles of chemotherapy without problems. Topics: Bone Marrow; Female; Humans; Immunologic Factors; Leukemia, Promyelocytic, Acute; Leukocyte Count; Leukocytosis; Middle Aged; Mitoxantrone; Necrosis; Pain; Prednisone; Remission Induction; Tretinoin | 1994 |
Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 17-1986. An 18-year-old man with cutaneous ulcers and bilateral pulmonary infiltrates.The New England journal of medicine, 1986, May-01, Volume: 314, Issue:18
Topics: Acne Vulgaris; Adolescent; Cyclophosphamide; Granulomatosis with Polyangiitis; Humans; Isotretinoin; Lung; Male; Necrosis; Prednisone; Skin; Skin Ulcer; Tretinoin | 1986 |
Inhibitory effects of polyprenoic acid (E-5166) on N-2-fluorenylacetamide-initiated hepatocarcinogenesis in rats.Japanese journal of cancer research : Gann, 1986, Volume: 77, Issue:4
The effects of the newly synthesized polyprenoic acid, 3,7,11,15-tetramethyl-2,4,6,10,14-hexadecapentaenoic acid (E-5166) on N-2-fluorenylacetamide (FAA)-initiated hepatocarcinogenesis were examined in 6 groups of male ACI rats. The numbers of altered hepatocellular foci in rats of group 1 given a basal diet containing 0.02% FAA for 13 weeks and in rats of group 2 which received E-5166 by gavage (40 mg/kg, 3 times/week) at the same time as receiving the FAA diet were almost the same, indicating that E-5166 had no effect at the stage of carcinogen exposure. However, the number of foci in group 4, in which rats were given the basal diet and E-5166 after the termination of the carcinogen exposure, and were sacrificed 16 weeks later, was significantly smaller than that in group 3 maintained on the basal diet alone (P less than 0.05). The results suggests some anticarcinogenic activity of E-5166, possibly involving the phenotypic expression of the preneoplastic foci. Furthermore, the number of altered foci in rats of group 6 (given the liver-tumor promoter phenobarbital with E-5166 for 16 weeks after the administration of carcinogen) was also significantly smaller than that in rats of group 5, which received the promoter (P less than 0.05). The incidence of neoplastic nodules of the liver in group 6 at the end of the experiment was also lower than in group 5 (P less than 0.0014). These results suggest an antipromoting effect of the polyprenoic acid E-5166 on rat chemical hepatocarcinogenesis. Topics: 2-Acetylaminofluorene; Animals; Body Weight; Drug Antagonism; Liver; Liver Neoplasms, Experimental; Male; Necrosis; Organ Size; Rats; Rats, Inbred ACI; Tretinoin | 1986 |
Histological changes during regression induced by retinoic acid in a transplantable rat chondrosarcoma.Virchows Archiv. A, Pathological anatomy and histology, 1982, Volume: 396, Issue:1
Daily oral treatment with retinoic acid (100 mg/kg bodyweight) induced regression of a transplantable rat chondrosarcoma. In a previous biochemical investigation we have shown that the tissue breakdown is preceded by the loss of proteoglycan. The present study describes the histological changes induced by retinoic acid. A decrease in the intensity of metachromatic staining with toluidine blue was noted already after 1 day and the discoloration was almost complete after 4 days correlating with the loss of proteoglycan. Especially in the perichondrium there was a rapid proliferation of fibroblasts and monocytes. Osteoclast-like cells were missing, but tumor nodules were eroded and split up by penetrating perichondrium. After 4 days of treatment larger necrotic areas were found, initially in the center of tumor nodules only. In other areas the majority of tumorous chondroblasts survived. Tumor nodules appeared partly mesenchyma-like with some fibroblast-like cells suggesting a dedifferentiation of chondroblasts by retinoic acid. we believe that tumor regression induced by retinoic acid involved proteoglycan degradation by chondroblasts themselves and chondroclast-like activity of monocytes and fibroblasts. Topics: Animals; Chondrosarcoma; Female; Fibroblasts; Monocytes; Necrosis; Neoplasm Transplantation; Proteoglycans; Rats; Sarcoma, Experimental; Staining and Labeling; Time Factors; Tretinoin | 1982 |
[Morphologic changes in pachydermias of the larynx treated with an aromatic retinoid (Ro 10-9359) (author's transl)].Laryngologie, Rhinologie, Otologie, 1981, Volume: 60, Issue:11
After treatment of pachydermias of the larynx with aromatic retinoid (Hoffmann-La Roche, Basel, Switzerland), an increased number of large vacuoles interpreted as cytolysosomes in cells predominantly of the stratum basale and spinosum is found. In the superficial cell layers an enhanced number of necrotic cells can be detected. It is assumed that retinoids lead to a cell damage and a stimulation of the lysosomal system. Topics: Epithelium; Etretinate; Humans; Hypertrophy; Laryngeal Mucosa; Larynx; Necrosis; Tretinoin; Vocal Cords | 1981 |
Micromorphology of the placenta of rats reared on marginal vitamin-A-deficient diet.Acta anatomica, 1978, Volume: 102, Issue:2
Topics: Animals; Cell Differentiation; Female; Gestational Age; Litter Size; Necrosis; Placenta; Pregnancy; Rats; Tretinoin; Vitamin A Deficiency | 1978 |
Autoradiographic and histopathologic studies on the mode of action of an aromatic retinoid (Ro 10-9359) on chemically induced epithelial tumors in Swiss mice.Journal of the National Cancer Institute, 1977, Volume: 58, Issue:5
The mode of action of an aromatic analogue of retinoic acid, ethyl all-trans-9-(4-methoxy-2,3,6-trimethyl-phenyl)-3,7-dimethyl-2,4,6,8-nonatetraenoate (Ro 10-9359), a compound known to possess a considerable prophylactic and therapeutic effect on skin papillomas and carcinomas, was investigated with autoradiographic and histopathologic methods. The ip application of a single dose of 1,000 mg Ro 10-9359/kg to female Swiss mice with chemically induced skin papillomas caused a 29% regression of the mean tumor diameter after 3 days and a 51% regression after 7 days. In the tumors, the number of DNA-synthesizing cells [measured by the labeling index (LI)] and the length of the cell cycle were not affected by the retinoid; thus a mode of action at the level of cell proliferation can be excluded. In the normal skin, an increase in the LI of about 30% was observed. A small effect on the cell loss was observed; however, it was not sufficient to explain quantitatively the regression of the tumors. When measured histometrically, it appeared that the loss of the horn and the formation of necroses, 3-10 times larger than in the placebo groups, were mainly responsible for the tumor regressions caused by the retinoid. After 7 days, the proportion of stroma in the tumors was increased, and dilation of the vessels and edema in the stroma proximal to the necroses were frequent. Topics: 9,10-Dimethyl-1,2-benzanthracene; Animals; Cell Division; Croton Oil; DNA, Neoplasm; Female; Mice; Necrosis; Neoplasms, Experimental; Papilloma; Skin Neoplasms; Tretinoin; Vitamin A | 1977 |