cholecalciferol and Atherosclerosis

Understanding of vitamin D physiology is important because about half of the population is being diagnosed with deficiency and treated with supplements. Clinical guidelines were developed based on observational studies showing an association between low serum levels and increased cardiovascular risk. However, new randomized controlled trials have failed to confirm any cardiovascular benefit from supplementation in the general population. A major concern is that excess vitamin D is known to cause calcific vasculopathy and valvulopathy in animal models. For decades, administration of vitamin D has been used in rodents as a reliable experimental model of vascular calcification. Technically, vitamin D is a misnomer. It is not a true vitamin because it can be synthesized endogenously through ultraviolet exposure of the skin. It is a steroid hormone that comes in 3 forms that are sequential metabolites produced by hydroxylases. As a fat-soluble hormone, the vitamin D-hormone metabolites must have special mechanisms for delivery in the aqueous bloodstream. Importantly, endogenously synthesized forms are carried by a binding protein, whereas dietary forms are carried within lipoprotein particles. This may result in distinct biodistributions for sunlight-derived versus supplement-derived vitamin D hormones. Because the cardiovascular effects of vitamin D hormones are not straightforward, both toxic and beneficial effects may result from current recommendations.

Topics: Age Factors; Atherosclerosis; Calcium, Dietary; Cardiovascular Diseases; Cholecalciferol; Confounding Factors, Epidemiologic; Dietary Supplements; Drug Administration Schedule; Food; Guidelines as Topic; Humans; Hydroxylation; Observational Studies as Topic; Precision Medicine; Receptors, LDL; Sunlight; Vascular Calcification; Vitamin D; Vitamin D Deficiency; Vitamins

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.

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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; 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YAP-Signaling Proteins; Yogurt; Young Adult; Zebrafish; Zebrafish Proteins; Ziziphus

It is recognized that the development of atherosclerosis involves many elements of an inflammatory process, involving components of both the innate and adaptive immune systems. The presence and roles of macrophages and T-cells in atherogenesis are well-established. More recently dendritic cells have been identified in the vasculature and in atherosclerotic lesions. This review summarises our current understanding of the roles of dendritic cells in the development and regression of atherosclerosis.

Topics: Adaptive Immunity; Animals; Atherosclerosis; Cholecalciferol; Dendritic Cells; Humans; Immunity, Innate; Indoleamine-Pyrrole 2,3,-Dioxygenase; Lipid Metabolism; Macrophages; Receptors, CCR7; T-Lymphocytes; Vaccination

To study the relationship of 25(OH)D(3) level with disease activity, vascular risk factors and atherosclerosis in SLE.. Consecutive patients who fulfilled four or more ACR criteria for SLE were recruited for assay of 25(OH)D(3) level. Disease activity was assessed by the SLEDAI and physicians' global assessment (PGA). Patients with vascular risk factors were screened for atherosclerosis at the coronary or carotid arteries. Correlation between 25(OH)D(3) levels and SLEDAI scores was studied by linear regression. The link between vascular risk factors, atherosclerosis and vitamin D deficiency was also examined.. A total of 290 SLE patients were studied [94% women; mean (s.d.) age 38.9 (13.1) years; disease duration 7.7 (6.7) years; 78% patients had clinical or serological lupus activity]. Two hundred and seventy-seven (96%) patients had vitamin D insufficiency [25(OH)D(3) < 30 ng/ml] and 77 (27%) patients had vitamin D deficiency (<15 ng/ml). Levels of 25(OH)D(3) correlated inversely with PGA (β -0.20; P = 0.003), total SLEDAI scores (β -0.19; P = 0.003) and subscores due to active renal, musculoskeletal and haematological disease. Subjects with vitamin D deficiency had significantly higher total/high-density lipoprotein (HDL) cholesterol ratio [3.96 (2.94) vs 3.07 (0.80); P = 0.02] and prevalence of aPLs (57 vs 39%; P = 0.007). Of 132 patients, 58 (44%) with vascular risk factors screened were positive for subclinical atherosclerosis. No association could be demonstrated between 25(OH)D(3) level and atherosclerosis, which was mainly associated with increasing age, menopause, obesity and hyper-triglyceridaemia.. In this large cross-sectional study of SLE patients, 25(OH)D(3) level correlates inversely with disease activity. Vitamin D deficiency is associated with dyslipidaemia. In patients with vascular risk factors, subclinical atherosclerosis is not associated with hypovitaminosis D.

Topics: Adult; Atherosclerosis; Cholecalciferol; Cross-Sectional Studies; Female; Humans; Lipids; Lupus Erythematosus, Systemic; Male; Middle Aged; Risk Factors; Severity of Illness Index; Vitamin D Deficiency

Atherosclerosis is common in patients with chronic kidney disease (CKD), and cardiovascular disease (CVD) represents a major cause of death in these patients, especially, in patients with end-stage renal disease(ESRD). The pathological features in ESRD patients are intimal atherosclerosis and medial calcific sclerosis. The important risk factors for CVD in ESRD patients are hypertension, dyslipidemia and CKD bone and mineral disorder (CKD-MBD). Atherosclerosis has been evaluated by measurements of intima-media thickness and pulse-wave velocity. Although the target blood pressure still undetermined, hypertension would be treated with renin-angiotensin system inhibitors. In addition, treatment of dyslipidemia with statins may lead to favorable CVD outcome. Finally, inhibition of vascular calcification should be important by treatment with active vitamin D and sevelamer.

Topics: Angiotensin Receptor Antagonists; Angiotensin-Converting Enzyme Inhibitors; Atherosclerosis; Bone Diseases, Metabolic; Calcinosis; Cholecalciferol; Chronic Disease; Dyslipidemias; Humans; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Hypertension; Kidney Failure, Chronic; Polyamines; Risk Factors; Sevelamer; Tunica Intima; Vascular Diseases

Ischemic heart disease and cerebrovascular ischemia are leading causes of mortality in industrialized countries. The pathogenesis of these diseases involves the formation of atherosclerotic plaques with eventual rupture and superimposed thrombosis. This process is inhibited by high-density lipoprotein (HDL), the main protein component of which is apolipoprotein A-I (apo A-I). Vitamin D3 is a hormone produced by sun-exposed skin but is acquired also in the diet. The Framingham Offspring Study and the Third National Health and Nutritional Examination Survey showed a link between vitamin D3 intake and cardiovascular risk factors. The link between 25-hydroxyvitamin D3 and HDL cholesterol (HDLc) and apo A-I is not as clear. Studies in vitamin D receptor knockout mice demonstrated higher HDLc and hepatic apo A-I messenger RNA expression relative to wild type. Experiments in cultured hepatocytes supported these observations. Human studies evaluating the relationship between vitamin D3 and apo A-I and HDLc have yielded conflicting results, but most suggest a positive link between increasing vitamin D3 levels and plasma apo A-I and HDLc. The purpose of this review is to examine the evidence linking vitamin D status and cardiovascular disease, to determine if there is a relationship between vitamin D levels and development of an atherogenic lipid profile. Our objectives are to determine if plasma vitamin D levels correlate with plasma HDLc and apo A-I and, if so, offer speculation as to how apo A-I in the context of high vitamin D levels provides enhanced atheroprotection.

Topics: Adolescent; Adult; Aged; Animals; Apolipoprotein A-I; Atherosclerosis; Calcifediol; Cardiovascular Diseases; Child; Child, Preschool; Cholecalciferol; Cholesterol, HDL; Diet; Female; Humans; Male; Mice; Mice, Knockout; Middle Aged; Randomized Controlled Trials as Topic; Receptors, Calcitriol; Risk Factors; Vitamin D; Vitamin D Deficiency

Vitamin D has many important roles in calcium and phosphorus metabolisms, the prevention of the cancer, therapeutic effects of autoimmune disease, and the protective effects on the atherosclerotic cardiovascular disease and diabetes. These functions are quite essential factors for the treatment of anti-aging medicine. We had given 1,000 IU/day vitamin D(3) to the patients who had low vitamin D levels in their blood and confirmed the increased vitamin D levels into the optimal range after the treatment. To keep the normal functions of the bone mineral metabolisms and the immune function, it is clinically relevant to detect the vitamin D levels in the blood and support these levels using supplements in the vitamin D deficient patients. Vitamin D is now one of the most essential vitamins in the anti-aging medicine.

Topics: Aging; Atherosclerosis; Autoimmune Diseases; Bone and Bones; Calcium; Cholecalciferol; Diabetes Mellitus; Female; Humans; Male; Neoplasms; Phosphorus; Vitamin D

Low dietary intake of calcium stimulates the activation of vitamin D3 precursors to calcitriol in the kidney. This circulating hormone raises blood and urinary calcium by increasing both gastrointestinal absorption of calcium and bone resorption. Renal activation of vitamin D3 is under tight feedback control. Macrophages also activate vitamin D3, but, unlike renal tubular cells, they lack feedback suppression of the activating 1alpha-hydroxylase. In large-scale epidemiologic studies, blood pressure correlated positively with serum and urinary calcium but inversely with the dietary intake of calcium. Several population-based reports, including the Framingham Study, noticed an association of carotid plaques, arterial calcification, and increased arterial stiffness with lower bone-mineral content. Randomized clinical trials of calcium supplementation did not demonstrate a consistent effect on blood pressure. Macrophages in atherosclerotic lesions can locally activate vitamin D3 to calcitriol, which might contribute to arterial stiffening and hypertension. Calcitriol acts as a vasoactive and pro-oxidative substance on vascular smooth muscle cells. In animal models, active vitamin D3 promotes arterial stiffening and the pathogenesis of systolic hypertension and perpetuates a self-sustaining cycle leading to arterial damage and calcification. On the other hand, active vitamin D3 inhibits renin activity, thereby decreasing blood pressure in short-term, randomized trials. This article assesses the potential role of active vitamin D3 in causing cardiovascular complications via its effects on the structure of the arterial wall and the pathogenesis of hypertension. To set the stage and open up new perspectives, our article also summarizes the pathways leading to the renal and extrarenal activation and metabolism of vitamin D3 and will propose some directions for further research in this complex field.

Topics: Animals; Arteries; Atherosclerosis; Cholecalciferol; Elasticity; Humans; Hypertension; Kidney; Muscle, Smooth, Vascular

Different 25-hydroxyvitamin D [25(OH)D] thresholds for treatment with vitamin D supplementation have been suggested and are derived almost exclusively from observational studies. Whether other characteristics, including race/ethnicity, BMI, and estimated glomerular filtration rate (eGFR), should also influence the threshold for treatment is unknown.. The aim was to identify clinical and biomarker characteristics that modify the response to vitamin D supplementation.. A total of 666 older adults in the Multi-Ethnic Study of Atherosclerosis (MESA) were randomly assigned to 16 wk of oral vitamin D3 (2000 IU/d; n = 499) or placebo (n = 167). Primary outcomes were changes in serum parathyroid hormone (PTH) and 1,25-dihydroxyvitamin D [1,25(OH)2D] concentrations from baseline to 16 wk.. Among 666 participants randomly assigned (mean age: 72 y; 53% female; 66% racial/ethnic minority), 611 (92%) completed the study. The mean (SD) change in PTH was -3 (16) pg/mL with vitamin D3 compared with 2 (18) pg/mL with placebo (estimated mean difference: -5; 95% CI: -8, -2 pg/mL). Within the vitamin D3 group, lower baseline 25-hydroxyvitamin D [25(OH)D] was associated with a larger decline in PTH in a nonlinear fashion. With baseline 25(OH)D ≥30 ng/mL as the reference, 25(OH)D <20 ng/mL was associated with a larger decline in PTH with vitamin D3 supplementation (-10; 95% CI: -15, -6 pg/mL), whereas 25(OH)D of 20-30 ng/mL was not (-2; 95% CI: -6, 1 pg/mL). A segmented threshold model identified a baseline 25(OH)D concentration of 21 (95% CI: 13, 31) ng/mL as an inflection point for difference in change in PTH. Race/ethnicity, BMI, and eGFR did not modify vitamin D treatment response. There was no significant change in 1,25(OH)2D in either treatment group.. Of characteristics most commonly associated with vitamin D metabolism, only baseline 25(OH)D <20 ng/mL modified the PTH response to vitamin D supplementation, providing support from a clinical trial to use this threshold to define insufficiency. This trial was registered at clinicaltrials.gov as NCT02925195.

Topics: Aged; Atherosclerosis; Biomarkers; Calcifediol; Cholecalciferol; Dietary Supplements; Ethnicity; Female; Humans; Male; Minority Groups; Parathyroid Hormone; Vitamin D; Vitamin D Deficiency; Vitamins

We sought the association between serum 25-hydroxyvitamin D. The present study was a nested case-control study conducted on 252 participants with T2DM and controls from the second phase of the KERCADR cohort study. The participants with a mean (±SD) age of 49.79 ± 5.85 years were randomly selected and allocated into case and control groups. Independent t-test, Hierarchical Linear Regression, Univariate ANOVA, and partial correlation were used for analysis the data. Atherogenic indices of plasma include Castelli Risk Index I (CRI I), Castelli Risk Index II (CRI II), and the novel Atherogenic Index of Plasma (AIP), and Atherogenic Coefficient (AC).. There was a significant difference among case and control groups for AIP in males and females (P < 0.001 and P = 0.007, respectively). The levels of AIP, CRI I, and AC significantly decreased (P = 0.017, P = 0.029, and P = 0.029, respectively) with improved serum vitamin D status only in control male participants. The main effect of BMI and vitamin D status on AIP, CRI I, and AC, and the main effect of BMI on CRI I, CRI II, and AC were significant in control males and females, respectively.. We conclude that there is a reverse significant association between AIP and serum vitamin D among healthy males. Low serum level of vitamin D is associated with atherogenic dyslipidemia. Therefore, improving vitamin D status as an important indicator may alleviate AIP as a surrogate marker for predicting the risk of CVD events in healthy men and women with normal BMI.

Topics: Adult; Atherosclerosis; Biomarkers; Case-Control Studies; Cholecalciferol; Cohort Studies; Diabetes Mellitus, Type 2; Female; Humans; Male; Middle Aged; Vitamin D

The INdividual response to VITamin D (INVITe) trial was a randomized, placebo-controlled, parallel group trial of vitamin D

Topics: Atherosclerosis; Cholecalciferol; Dietary Supplements; Double-Blind Method; Humans; Prospective Studies; Vitamin D; Vitamins

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; 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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; 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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; 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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; 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YAP-Signaling Proteins; Yogurt; Young Adult; Zebrafish; Zebrafish Proteins; Ziziphus

Probiotics have been proved to be strongly linked to the occurrence and progression of atherosclerosis. This study aimed to investigate the improved effects and mechanisms underlying a potential probiotic, Weizmannia coagulans JA845, on atherosclerosis.. Male Sprague-Dawley rats supported on a high-fat diet with vitamin D3 supplementation were subjected to W. coagulans JA845 treatment. W. coagulans JA845 obviously alleviated histological abnormalities of the abdominal aorta. After 6 weeks of W. coagulans JA845 administration, levels of TG, TC, LDL, ox-LDL, ROS, and MDA in the JA845 group decreased significantly, and those of HDL, GSH-Px, and SOD were markedly elevated. Treatment with W. coagulans JA845 also inhibited the secretion of ICAM-1 and VCAM-1 and regulated the plasma NO and eNOS content. In brief, administration of W. coagulans JA845 promoted the expression of the SIRT3/SOD2/FOXO3A pathway, inhibited the lipid metabolism pathway, SREBP-1c/FAS/DGAT2, and suppressed the JNK2/P38 MAPK/VEGF pathway implicated in endothelial injury.. These results indicated W. coagulans JA845 improved atherosclerosis by regulating lipid metabolism, antioxidative stress, and protecting against endothelial injury.

Topics: Animals; Atherosclerosis; Cholecalciferol; Diet, High-Fat; Lipid Metabolism; Male; Oxidative Stress; Rats; Rats, Sprague-Dawley; Vascular System Injuries

Cardiovascular disease (CVD) is a chronic disease and causes the highest rate of death globally. CVD-related deaths account for 80% of all deaths in low and middle-income countries, such as China. Crocetin (CT), a carotenoid phytoconstituent already confirm their anti-inflammatory and antioxidant effects in various diseases animal models. In the study, we make effort to access the cardio-protective effect of Crocetin against vitamin D3 and high fat induced atherosclerosis in rats and scrutinize the underlying mechanism. Sprague Dawley (SD) rats were used in this study and rats were divided into different groups and high fat diet and vitamin D was used for induction the atherosclerosis. The rats were received oral administration of crocetin (5, 10 and 15 mg/kg) and simvastatin (0.5 mg/kg) until 30 days. At the end of the experimental period, lipid, cardiac markers, anti-inflammatory, antioxidant, pro-inflammatory cytokines and atherogenic index were estimated. The mRNA expression of Intercellular adhesion molecule-1 (ICAM-1), Monocyte Chemoattractant Protein-1 (MCP-1) and vascular cell adhesion molecule 1 (VCAM-1) in aortic tissue of the atherosclerotic rats. Crocetin significantly reduced the aortic membrane thickness and platelet aggregation rates. Crocetin also dose-dependently reduced total cholesterol (TC), very low-density lipoprotein (VLDL), triacylglycerol (TG), low-density lipoprotein (LDL) and augmented the level of high-density lipoprotein (HDL) level. Additionally, Crocetin significantly (p < 0.001) abridged the level of malonaldehyde (MDA) and augmented the level of superoxide dismutase (SOD), catalase (CAT), reduced glutathione (GSH) and glutathione peroxidase (GPx). Furthermore, Crocetin significantly (p < 0.001) dose-dependently reduced the levels of pro-inflammatory cytokines and inflammatory mediators. Crocetin attenuated mRNA expression of VCAM-1, ICAM-1 and MCP-1. Crocetin had anti-atherosclerosis and cardio-protective effects on vitamin D3 and high fat induced atherosclerosis in rats through anti-inflammatory and antioxidant mechanisms.

Topics: Administration, Oral; Animals; Anti-Inflammatory Agents; Antioxidants; Aorta; Atherosclerosis; Carotenoids; Chemokine CCL2; Cholecalciferol; Cytokines; Diet, High-Fat; Disease Models, Animal; Inflammation Mediators; Intercellular Adhesion Molecule-1; Lipid Metabolism; Phytotherapy; Rats, Sprague-Dawley; Vascular Cell Adhesion Molecule-1; Vitamin A

Atherosclerosis (AS) is a cardiovascular disease that arise due to dysfunction of lipid deposition and metabolism. AS is causes the mortality and morbidity worldwide. Sinomenine isolated from the Sinomenium acutum is used extensively against the various cardiac diseases in China. However, the anti-atherosclerosis effect of sinomenine still not explore. In this study, we explore the cardioprotective and anti-atherosclerosis effect of sinomenine against Vitamin D3 and High fat induced atherosclerosis in rats. Sprague Dawley (SD) rats were used in this study. The rats were received the vitamin D (60000) and High fat diet to induce the atherosclerosis and divided into groups and received the oral administration of sinomenine (2.5, 5 and 10 mg/kg) and simvastatin (5 mg/kg). Body weight, organ weight and biochemical parameters were estimated. The mRNA expression of MyD88, TLR4, NF-κB and IκB were estimated. Sinomenine treated rats significantly (p<0.001) suppressed the body weight and modulated the organ weight (hepatic, renal and heart). Sinomenine significantly (p<0.001) decreased the level of triacylglycerols (TG), low density lipoprotein cholesterol (LDL-c), total cholesterol (TC), very low-density lipoprotein cholesterol (VLDL-c) and augmented the level of high-density lipoprotein cholesterol (HDL-c). Sinomenine treatment also reduced the level of atherogenic index (TC/HDL-c and LDL-c/HDL-c). Sinomenine treatment decrease the ratio of HMG CoA/Mevalonate and level of collagen and total protein. Sinomenine significantly (p<0.001) altered the level of heart parameters, antioxidant parameters and inflammatory cytokines. Sinomenine significantly (p<0.001) reduced the expression of MyD88, TLR4, NF-κB and IκB. Taken together, sinomenine exhibited the protective effect against the atherosclerosis via alteration of TLR4/NF-κB signaling pathway.

Topics: Administration, Oral; Animals; Antioxidants; Atherosclerosis; Cholecalciferol; Cytokines; Diet, High-Fat; Inflammation; Inflammation Mediators; Lipid Metabolism; Male; Morphinans; NF-kappa B; Oxidative Stress; Phytotherapy; Rats, Sprague-Dawley; Signal Transduction; Sinomenium; Toll-Like Receptor 4

Topics: Animals; Anti-Inflammatory Agents; Antioxidants; Aorta; Aortic Diseases; Atherosclerosis; Cholecalciferol; Disease Models, Animal; Fat Emulsions, Intravenous; Flavonoids; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Lamiaceae; Lipids; Male; NF-kappa B; Oxidative Stress; Plant Extracts; Plaque, Atherosclerotic; Proto-Oncogene Proteins c-akt; Rats, Sprague-Dawley; Signal Transduction; Simvastatin; Vascular Endothelial Growth Factor A

The current evidence regarding the association between vitamin D deficiency and cardiovascular diseases/metabolic disorders is contradictory and inconclusive. In this large-scale observational study, we investigated the relationship between the serum 25-hydroxy vitamin D3 [25(OH)D] concentration and subclinical atherosclerosis in an elderly Asian population. In the I-Lan longitudinal study (ILAS), 1798 elderly, aged 50 and older, were enrolled. For each subject, serum 25-hydroxy vitamin D3 [25(OH)D] concentration and demographic data were recorded. The participants were divided into two groups according to their serum 25(OH)D level (sufficient, > 20 ng/mL and deficient, ≤ 20 ng/mL). Carotid intima-media thickness (cIMT) was measured at bilateral common carotid arteries. Subclinical atherosclerosis was defined as a mean cIMT > 0.81 mm. The mean subject age was 64 ± 9 years old, and 604 (33.6%) were identified as having serum 25(OH)D level ≤ 20 ng/mL. Subjects with serum 25(OH)D level ≤ 20 ng/mL were younger, more likely to be female and smoker, and had a higher incidence of hypertension, dyslipidemia, and metabolic syndrome, compared to those with serum 25(OH)D level > 20 ng/mL. Additionally, patients with serum 25(OH)D level ≤ 20 ng/mL were associated with a lower risk of subclinical atherosclerosis (crude OR: 0.63, 95% CI 0.50-0.81, p < 0.001), according to univariate analysis. However, after adjusting for gender and age, serum 25(OH)D level ≤ 20 ng/mL was not a significant risk factor for subclinical atherosclerosis. Serum 25(OH)D level ≤ 20 ng/mL was not an independent risk factor for subclinical atherosclerosis in this large elderly Asian population. Association observed in the univariate analysis may be confounded by gender or comorbidities.

Topics: Aged; Aging; Anthropometry; Asian People; Atherosclerosis; Carotid Intima-Media Thickness; Cholecalciferol; Cross-Sectional Studies; Female; Humans; Longitudinal Studies; Male; Middle Aged; Nutritional Sciences; Regression Analysis; Risk Factors; Sex Factors; Vitamin D Deficiency

Atherosclerosis is a chronical inflammatory disease in arterial walls, which is involved in oxidative stress and endothelial dysfunction. Aromatherapy is one of the complementary therapies that use essential oils as the major therapeutic agents to treat several diseases. Citronellal (CT) is a monoterpene predominantly formed by the secondary metabolism of plants, producing antithrombotic, antiplatelet, and antihypertensive activities.. The aim of the present study is to explore whether aromatherapy with CT improves endothelial function to prevent the formation of atherosclerotic plaque in vivo.. An AS model in carotid artery was induced by balloon injury and vitamin D3 injection in rats fed with a high-fat diet. The size of the carotid atherosclerotic plaque was determined by ultrasound, oil red, and hematoxylin-eosin staining. Endothelial function was assessed by measuring acetylcholine-induced vessel relaxation in an organ chamber.. Administrations of CT (50, 100, and 150 mg/kg) as well as lovastatin dramatically reduced the size of carotid atherosclerotic plaque in rats in a dose-dependent manner, compared with atherosclerotic rats fed with a high-fat diet plus balloon injury and vitamin D3. Mechanically, CT improved endothelial dysfunction, increased cell migration, and suppressed oxidative stress and inflammation in vascular endothelium in rats feeding on the high-fat diet plus balloon injury. Further, CT downregulated the protein levels of sodium-hydrogen exchanger 1 in rats with atherosclerosis.. CT improves endothelial dysfunction and prevents the growth of atherosclerosis in rats by reducing oxidative stress. Clinically, CT is potentially considered as a medicine to treat patients with atherosclerosis.

Topics: Acetylcholine; Acyclic Monoterpenes; Aldehydes; Animals; Anticholesteremic Agents; Aromatherapy; Atherosclerosis; Balloon Occlusion; Carotid Arteries; Cell Movement; Cholecalciferol; Diet, High-Fat; Endothelial Cells; Gene Expression; Humans; Lovastatin; Male; Oxidative Stress; Plaque, Atherosclerotic; Primary Cell Culture; Rats; Rats, Sprague-Dawley; Sodium-Hydrogen Exchanger 1; Vasodilation

The mixture of Hongqu and gypenosides (HG) is composed of Fermentum Rubrum (Hongqu, in Chinese) and total saponins of Gynostemma pentaphyllum (Thunb.) Makino (Jiaogulan, in Chinese) in a 3.6:1 weight ratio. Both Hongqu and Jiaogulan are considered valuable traditional Chinese medicines (TCMs); they have been commonly used in China for the treatment of hyperlipidemia and related diseases for centuries. The aim of the current study was assess the anti-atherosclerotic effect of HG.. Sixty-four Wistar rats were randomly divided into eight groups: normal, model, positive control (simvastatin, 1 mg/kg), Hongqu-treated (72 mg/kg), gypenoside (total saponin)-treated (20 mg/kg), and three doses HG-treated (50, 100, and 200 mg/kg). All of the rats were fed a basal diet. Additionally, the model group rats were intragastrically administered a high-fat emulsion and intraperitoneally injected with vitamin D. The AS rat model was established after 80 days. Compared to the model group, the HG-treated groups showed an obvious improvement in the serum lipid profiles, oxidative stress, and inflammatory cytokine levels, and showed markedly increased hepatic total antioxidant capacity. Moreover, the expression of genes related to lipid synthesis and inflammation reduced and that of the genes related to lipid oxidation increased in the liver and arterial tissue, which also reflected an improved health condition.. the anti-atherosclerotic effects of HG were superior to those of simvastatin, Hongqu, and the gypenosides. Therefore, HG may be a useful anti-atherosclerotic TCM preparation.

Topics: Animals; Atherosclerosis; Cholecalciferol; Diet, High-Fat; Disease Models, Animal; Emulsions; Gynostemma; Lipids; Liver; Male; Medicine, Chinese Traditional; Monascus; Plant Extracts; Rats; Rats, Wistar

Arterial calcification is a common feature of cardiovascular disease. Sortilin is involved in the development of atherosclerosis, but the specific mechanism is unclear. In this study, we established calcification models in vivo and in vitro by using vitamin D

Topics: Adaptor Proteins, Vesicular Transport; Animals; Atherosclerosis; Calcinosis; Cell Line; Cholecalciferol; Disease Models, Animal; Gene Expression Regulation; Glycerophosphates; Humans; MicroRNAs; Muscle, Smooth, Vascular; Rats; Transfection; Vascular Calcification

Low vitamin D (vitD) has been linked to increased cardiovascular (CV) risk, but the effects of vitD supplementation are not clarified. We evaluated the impact of vitD normalization on HDL cholesterol efflux capacity (CEC), which inversely correlates with CV risk, the proatherogenic serum cholesterol loading capacity (CLC), adipokine profile and subclinical atherosclerosis.. Our data support vitD supplementation for CV risk prevention.

Topics: Adipokines; Adult; Asymptomatic Diseases; Atherosclerosis; ATP Binding Cassette Transporter 1; Biomarkers; Cholecalciferol; Cholesterol, HDL; Dietary Supplements; Female; High-Density Lipoproteins, Pre-beta; Humans; Premenopause; Proof of Concept Study; Resistin; Time Factors; Treatment Outcome; Turkey; Vitamin D; Vitamin D Deficiency

Apocynum leaf extract is an extract of the dried leaves of Apocynum venetum (a member of the Apocynaceae family) that has many effects on the cardiovascular system. The aim of the present study was to evaluate the protective effects of apocynum leaf extract on the atherosclerosis in rats induced by high-fat diet combined with vitamin D3 intraperitoneal injection. The atherosclerosis in rats were induced with a high-fat diet and an intraperitoneal injection of VD3 once daily for three contiguous days at a total injection dose of 70 U/kg. At the end of the 18th week, serum total cholesterol (TC) and triglyceride (TG) contents were measured. Hydroxyproline content in the aorta were measured by the alkali hydrolysis method. The hematoxylin-eosin (HE) and immunohistochemical staining were applied to evaluate the morphological changes and the collagen I and α-smooth muscle actin expression. The protein expression and the mRNA level of AMPK and mTOR were detected by western blot analysis and reverse transcript PCR. After treatment with apocynum leaf extract, the serum total cholesterol and triglyceride concentration of the atherosclerotic rats were significantly decreased, both the Collagen I expression and the hydroxyproline content in the aorta were significantly reduced, and the α-SMA, a smooth muscle-specific marker, expression were also lower than the untreated atherosclerotic rats. Western blot analyses showed that the apocynum can marked increase the p-AMPK but decrease the mTOR protein expression. The apocynum leaf extract also exhibited higher AMPK and lower mTOR mRNA expression of the aorta in the atherosclerotic rats. We believe that the apocynum leaf extract can effectively reduce blood lipid levels in rats with atherosclerosis, delay atherosclerotic progression by inhibiting excessive collagen synthesis and inhibiting smooth muscle cell over-proliferation. The underlying mechanism may be related to the AMPK/mTOR signaling pathway activity. Our results contribute towards validation of the traditional use of apocynum leaf extract in the treatment of atherosclerosis.

Topics: Actins; Animals; Apocynum; Atherosclerosis; Cholecalciferol; Collagen; Diet, High-Fat; Disease Progression; Lipids; Male; MAP Kinase Signaling System; Plant Extracts; Plant Leaves; Rats; Rats, Wistar; Signal Transduction; TOR Serine-Threonine Kinases

The Angong Niuhuang Pill (ANP) is a well known Chinese traditional therapeutic for the treatment for diseases affecting the Central Nervous System (CNS). Components of the ANP formulation, including Bovis Calculus Sativus, Pulvis Bubali Comus Concentratus, Moschus, Margarita, Cinnabaris, Realgar, Coptidis Rhizoma, Scutellariae Radix, Gardeniae Fructus, Curcumae Radix, and Bomeolum Syntheticum, have been used for the treatment of stroke, encephalitis and emergency meningitis across Asia, especially in China for hundreds of years.. The goal of this study was to investigate the anti-atherosclerosis and cardio-protective effects of ANP administration using a rodent model of atherosclerosis induced by a high fat and vitamin D. Specific Pathogen-Free (SPF) 78 male SD rats were randomly divided into a control group and 5 atherosclerotic model groups. The atherosclerotic groups were divided to receive either Simvastatin (SVTT, 0.005g/kg), Low-dose ANP (0.125g/kg), Medium-dose ANP (0.25g/kg), and High-dose ANP (0.5g/kg). Following adaptive feeding for one week, atherosclerosis was induced and the atherosclerosis model was established. Experimental drugs (either simvastatin or ANP) or normal saline were administered intragastrically once daily for 9 weeks starting from the 8th week. A carotid artery ultrasound was performed at the 17th week to determine whether atherosclerosis had been induced. After the atherosclerosis model was successfully established, platelet aggregation rates, serum biochemical indices, apoptosis-related Bcl-2, Bax proteins levels in the heart were assayed. Pathological and histological analysis was completed using artery tissue from different experimental different groups to assess the effects of ANP.. ANP significantly decreased aortic membrane thickness, the maximum platelet aggregation rates, and the ratio of low density lipoprotein cholesterol (LDL) to high density lipoprotein cholesterol (HDL). In addition, ANP significantly reduced serum contents of total cholesterol, low density lipoprotein, malondialdehyde, troponin I, high-sensitivity C-reactive protein, and lactate dehydrogenase. ANP markedly improved abnormal pathological conditions of the aorta and heart, and helped to prevent myocardial apoptosis.. We have demonstrated that ANP has robust ant-atherosclerosis and cardio-protective effects on a high-fat and vitamin D

Topics: Animals; Anti-Inflammatory Agents; Antioxidants; Aorta, Thoracic; Aortic Diseases; Apoptosis; Atherosclerosis; Biomarkers; Carotid Artery Diseases; Cholecalciferol; Diet, High-Fat; Disease Models, Animal; Drugs, Chinese Herbal; Enzymes; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Hypolipidemic Agents; Inflammation Mediators; Lipids; Male; Myocardium; Platelet Aggregation; Platelet Aggregation Inhibitors; Rats, Sprague-Dawley; Simvastatin; Tablets; Time Factors

Suxiao Jiuxin Pill is composed of Ligusticum wallichii, Borneolum Syntheticum and other drugs; it has qi promoting and blood circulation activating, meridian dredging and pain relieving efficacies. The objective of this paper is to study the effect of Suxiao Jiuxin Pill (quick-acting heart reliever), in atherosclerosis (AS) rat model and explore the mechanism for its prevention and treatment of AS.. AS rat model was established by high cholesterol diet and single intra-peritoneal injection of increased dose of vitamin D3.. Compared with the model group, Suxiao Jiuxin Pill medium-and high-dose groups and atorvastatin group can effectively regulate lipid metabolism.. We conclude that Suxiao Jiuxin Pill has a good hypo-lipidemic effect, and can inhibit the occurrence and development of AS.

Topics: Animals; Atherosclerosis; Cholecalciferol; Cholesterol, Dietary; Disease Models, Animal; Drugs, Chinese Herbal; Hypolipidemic Agents; Ligusticum; Male; Phytotherapy; Rats; Rats, Sprague-Dawley

Inflammation plays an essential role in the pathophysiology of atherosclerosis. Our study was aimed to investigate whether salvianolate, a novel water-soluble phenolic compound of Danshen, alleviates atherosclerosis via regulating the inflammation in rats. High fat diet feeding plus vitamin D3 injection was used to induce atherosclerosis in rats. Salvianolate (60, 120 or 240 mg/kg) or placebo was given to atherosclerotic rats. The plasma lipids, interleukin 6 (IL-6) and C reactive protein (CRP) were measured by ELISA. CD4+CD25+Foxp3+ cells were determined by flow cytometry. Histological changes were examined by hematoxylin and eosin staining. The results showed that the levels of plasma IL-6 and CRP were elevated in the rats fed on high fat diet, and the histological analysis demonstrated the successful establishment of atherosclerosis models. Treatment with salvianolate alleviated the atherosclerotic process and decreased the levels of plasma IL-6 and CRP. Also the number of CD4+CD25+Foxp3+ cells was increased in salvianolate-treated rats. It was concluded that salvianolate could treat atherosclerosis via modulating the inflammation at cytokine and cell levels.

Topics: Animals; Atherosclerosis; C-Reactive Protein; Cholecalciferol; Diet, High-Fat; Dose-Response Relationship, Drug; Flow Cytometry; Forkhead Transcription Factors; Inflammation; Interleukin-6; Lipids; Lymphocyte Count; Male; Phytotherapy; Plant Extracts; Rats, Wistar; Receptors, Complement 3b; Salvia miltiorrhiza; T-Lymphocytes, Regulatory; Vitamins

Recent studies have highlighted a significant association between the severity of atherosclerosis and bone mineral density (BMD) among healthy subjects, although its connection to angiographically determined peripheral artery disease (PAD) has never been investigated. We evaluated the connection between the angiographic severity and site specificity of peripheral atherosclerosis and osteoporosis among patients with chronic lower limb ischemia. In our cross-sectional study we investigated 172 patients with PAD. The anatomic sites of the lesions were analyzed. The severity of atherosclerosis was diagnosed using the Bollinger angiographic score (BS). BMD was measured at the lumbar spine (l-BMD) and at femoral (f-BMD) and radial (r-BMD) sites by dual-energy X-ray absorptiometry. Dyslipidemia, the level of vitamin D(3), and different bone turnover markers were also noted. Among PAD patients, regardless of the lesion site, we did not find any association between BMD and BS. Among patients with iliac disease, BS was associated with l-BMD (p = 0.038, r = -0.467) and with f-BMD (p = 0.002, r = -0.642). The level of r-BMD among patients with iliac disease was not associated with BS (p = 0.233, r = -0.306). We did not find any difference between the group of patients with and that without dyslipidemia and low or normal levels of vitamin D(3). Our results show a connection between the severity of atherosclerosis and osteoporosis among patients with PAD, specific to the site of the lesion. The findings regarding dyslipidemia, bone markers, and site specificity support the hypothesis that reduced blood flow is the key factor responsible for the inverse association of BMD with atherosclerosis.

Topics: Absorptiometry, Photon; Aged; Atherosclerosis; Bone Density; Cholecalciferol; Cross-Sectional Studies; Dyslipidemias; Female; Humans; Male; Middle Aged; Osteoporosis; Peripheral Arterial Disease

Topics: Atherosclerosis; Cholecalciferol; Female; Humans; Lupus Erythematosus, Systemic; Male; Vitamin D Deficiency

Topics: Atherosclerosis; Cholecalciferol; Clinical Trials as Topic; Coronary Disease; Depression; Estrogens; Female; Hormone Replacement Therapy; Hospitals, Community; Humans; Male; Menopause; Mentors; North America

To compare the anti-atherosclerotic effects of two different extracts from the leaves of Mallotus furetianus by using rat model of atherosclerosis.. The air-dried powdered Mallotus furetianus leaves were extracted with ethanol and then evaporated. The ethanol extract was experienced Diaion HP-20 CC with a gradient of MeOH and H2O (50:50, 100:0, v/v) and two fractions, Mallotus furetianus A (Mf A) and Mallotus furetianus B (Mf B) were obtained. Rats were divided into control, atherosclerosis and vitamin E, Mf A and Mf B treated groups. Atherosclerotic model was established by administering a loading dose of vitamin D3 and feeding standard diet enriched with 2% cholesterol, 0.5% porcine cholate, 0.2% methimazole, 5% sugar, 10% pork fat. Vitamin E (0.20 g/kg), Mf A (0.053 g/kg), Mf B (0.057 g/kg) (with the potential) were administered to interfere with the development of atherosclerosis. After 9 weeks, rats were sacrificed and the blood lipid as well as composition of bile was examined. In addition, the thoracic aorta was harvested to evaluate histological changes and the intima-media thickness ratio.. Atherosclerosis model was successfully established, administration of vitamin E, Mf A and Mf B increased excretion of total bilirubin in bile, decreased triglyeride (TG), total cholesterol (TC), low density lipoprotein-cholesterol (LDL-C) level, enhanced ratio of high density lipoprotein-cholesterol and LDL-C in blood, improved histological changes and diminished intima-media thickness ratio of thoracic aorta in atherosclerotic rats. As for the difference in anti-atherosclerotic effects betweenMf A and Mf B, Mf A may be more powerful in declining TG level and Mf B may be more effective in decreasing TC level.. The two different extracts, Mf A and Mf B can prevent the development of atherosclerosis, In detail, Mf A is more effective in regulating TG level and Mf B is more powerful in modulating TC level in atherosclerotic rats.

Topics: Animals; Aorta, Thoracic; Atherosclerosis; Bile; Bilirubin; Case-Control Studies; Cholecalciferol; Cholesterol; Cholesterol, HDL; Cholesterol, LDL; Disease Models, Animal; Mallotus Plant; Phytotherapy; Plant Extracts; Plant Leaves; Rats; Rats, Wistar; Treatment Outcome; Triglycerides

Growth hormone-releasing peptides (GHRP) and ghrelin are synthetic and natural ligands of growth hormone secretagogue receptor (GHSR) respectively and are shown to exert protective actions on cardiac dysfunction. Because ghrelin has been reported to inhibit proinflammatory responses in human endothelium and GHSR has been identified in blood vessels, we hypothesized that GHRP could alleviate the development of atherosclerosis (As). Atherosclearosis was induced by a short period (4 days) of vitamin D(3) and chronic (three months) intragastric feeding of high fat emulsion (containing 0.5% propylthiouracil) in adult SD rats. Some As rats received chronic hexarelin (a variant of GHRP) injection (SC BID, 30 days) and normal rats received placebo as control. Significant atherosclerosis developed in animals fed with the emulsion. Serum total cholesterol and LDL-c increased, and HDL-c and aortic nitric oxide (NO) decreased significantly in As group. Hexarelin suppressed the formation of atherosclerotic plaques and neointima, partially reversed serum HDL-c/LDL-c ratio and increased the levels of serum NO and aortic mRNAs of eNOS, GHSR and CD36 in As rats. Hexarelin also decreased [(3)H]-TdR incorporation in cultured vascular smooth muscle cell (VSMC) and calcium sedimentation in aortic wall. Furthermore, foam cell formation induced by ox-LDL was decreased by hexarelin. In conclusion, hexarelin suppresses high lipid diet and vitamin D3-induced atherosclerosis in rats, possibly through upregulating HDL-c/LDL-c ratio, vascular NO production and downregulating the VSMC proliferation, aortic calcium sedimentation and foam cell formation. These novel anti-atherosclerotic actions of hexarelin suggest that the peptide might have a clinical potential in treating atherosclerosis.

Topics: Animals; Aorta; Atherosclerosis; Cholecalciferol; Dietary Fats; Female; Ghrelin; Humans; Lipoproteins; Male; Muscle, Smooth, Vascular; Nitric Oxide; Nitric Oxide Synthase Type III; Oligopeptides; Random Allocation; Rats; Rats, Sprague-Dawley

To investigate the effect of hydrogen sulfide (H2S) on artherosclerosis (AS) and its mechanism in rats.. 125 healthy male SD rats of the weight (210 +/- 10) g were randomly divided into 5 groups: control group, AS model group, AS + low-dose NaHS (2.8 micromol/(kg x d)) group, AS+ middle-dose (14 micromol/(kg x d)) NaHS group, AS+ high-dose NaHS (28 micromol/(kg x d)) group. The atherosclerotic model was established by feeding high grease food and injecting large doses of VitD3. The rats were using NaHS by peritoneal injection for 12 weeks. 5 rats were executed in each group before the experiment and in the weeks of 3, 6, 9, 12 after the experiment, respeotively. The blood fat was analyzed by automatic biochemistry analysator. H2S content in serum was detected by the method of deproteinization. The pathological damage of vessels was observed and scored by HE stain. The expression of VEGF in the vessel tissue was detected by immunohistochemistry staining.. Compared with the control group at contemporaneity, both serumal triglyceride (TG) and cholesterol (TC) increased significantly in the AS model group after rat feeded 3, 6, 9, 12 weeks, and scores of the artery pathological damage also increased obviously from the 6th week to the 12th week (P < 0.01), as well as artherosclerosis plaque appeared, displaying as lipid plaque in the positive part. The serumal H2S concentration decreased obviously, from (44.98 +/- 2.06) micromol/L of before feeding to (38.56 +/- 2.26), (32.96 +/- 2.38), (28.63 +/- 0.92), (23.55 +/- 0.92) nnol/L of after feeding 3, 6, 9, and 12 weeks, respectively, and lower than that of control at contemporaneity (44.72 +/- 0.85), (43.71 +/- 0.59), (41.96 +/- 0.97), (39.87 +/- 1.25) micromol/L, respectively ( P < 0.01), and VEGF expression of the vascular tissue also increased (P < 0.01). Compared with the AS model group, all of above indexes in rat of the low-dose of NaHS group did not appear any obvious change. The serumal H2S concentration in rat of the middle-dose NaHS began increase at the 6 week after rat feeded (36.13 +/- 0.3 vs. 32.96 +/- 2.38 micronol/L, P < 0.05), and continuously increased at the 9th and the 12th week (33.07 +/- 1.14 vs. 28.63 +/- 0.92 micromol/L, 30.16 +/- 0.2 vs. 23.55 +/- 0.92 micromol/L; P < 0.01, respectively). The serumal H2S concentration in high-dose NaHS groups, increased from the 3th to the 12th week (41.25 +/- 0.80, 38.71 +/- 0.46, 35.31 +/- 0.62, 33.38 +/- 0.78 micromol/L, respectively, P < 0.01). The rat serumal TC in both middle and high-dose NaHS groups, decreased from the 3th to the 12th week (P < 0.01), and TG began decrease from the 3th and the 6th week to the 12th week after rat feeded, respectively (P < 0.05, P < 0.01). Both of the pathological damage scores and the expression of VEGF decrease from the 6th week to the 12th week (P < 0.05). The correlation analysis showed that H2S in serum had a negative correlation with both pathological damage scores (r = -0.917, P < 0.01) and the expression of VEGF (r = -0. 885, P < 0.01). But it had no obvious correlation with serumal TG and TC.. The formation and development of artherosclerosis has a close correlation with the depressing of endogenous H2S. Administration of exogenous H2S could raise the H2S concentration of serum in artherosclerosis, which might improve the damage of vessels and inhibit the expression of VEGF.

Topics: Animals; Atherosclerosis; Cholecalciferol; Dietary Fats; Hydrogen Sulfide; Lipids; Male; Rats; Rats, Sprague-Dawley; Vascular Endothelial Growth Factor A

1. Atherosclerosis (AS) in rats displays important clinical similarities to human AS. 2. After the experimental model of AS in rat was established and using a proteomic approach, we compared the protein profiling of aorta tissues from healthy and AS rats. 3. Using two-dimensional electrophoresis (2-DE), over 1878 protein species were separated; among them, 1239 protein spots were matched between different gels with average matching rate of approximately 66%. Gel analysis and protein characterization have identified 58 protein spots whose abundance is significantly altered in AS rats. 4. By using matrix-associated laser desorption ionization time-of-flight mass spectrometer (MALDI-TOF-MS) and NCBInr database, 46 proteins were successfully identified. Among them, 18 proteins were of increased abundance in diseased tissues including a group of oxidization-related enzymes such as peroxiredoxin2 and NADH dehydrogenase Fe-S protein 6, components of inflammatory pathways such as lamin A, while 28 proteins were of decreased abundance in the diseased state, including CaM-KII inhibitory protein, transferring, fructose-bisphosphate aldolase. 5. We believe that these results would give insights into the cellular and molecular mechanisms involved in AS development and might lead to the discovery of novel diagnostic markers and new therapeutic opportunities.

Topics: Animals; Aorta; Atherosclerosis; Biomarkers; Cholecalciferol; Cholesterol, Dietary; Databases, Genetic; Diet, Atherogenic; Electrophoresis, Gel, Two-Dimensional; Indicators and Reagents; Male; Peptide Mapping; Proteomics; Rats; Rats, Wistar; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Vitamins

The present study was designed to test the hypothesis that arterial baroreflex dysfunction promotes the development of atherosclerosis. Experiment 1: the baroreflex sensitivity (BRS) was measured in 30 Sprague-Dawley (SD) rats in conscious state with a computerized blood pressure monitoring system. Four weeks later, the rats were administered with Vitamin D3, and fed with the high-cholesterol diet for 8 weeks to induce atherosclerosis. The hearts and aortae were removed for pathological examination. A negative correlation was found between BRS and the scores of coronary (r=-0.464, P<0.01) or aortic atherosclerosis (r=-0.524, P<0.01) in SD rats. Experiment 2: sinoaortic denervation (SAD) was performed in SD rats. Then atherosclerosis was also induced. The atherosclerosis scores in SAD rats were significantly higher than those in sham-operated rats (aortic score: 1.50+/-0.41 versus 1.10+/-0.39, P<0.05; coronary score: 1.70+/-0.35 versus 1.25+/-0.54, P<0.05). Using immunohistochemistry and Western blotting methods, it was found that the expressions of C-reactive protein, intercellular adhesion molecule-1 and vascular-cell adhesion molecule-1 in coronary artery and aorta were increased in SAD rats compared with sham-operated rats. These results indicate that arterial baroreflex dysfunction promotes the development of atherosclerosis in rats, and that inflammation may be involved in this process.

Topics: Animals; Aorta; Aortic Diseases; Atherosclerosis; Autonomic Denervation; Baroreflex; C-Reactive Protein; Carotid Arteries; Cholecalciferol; Diet, Atherogenic; Hypercholesterolemia; Hypertension; Intercellular Adhesion Molecule-1; Male; Myocardium; Phenylephrine; Rats; Rats, Sprague-Dawley; Reflex, Abnormal; Vascular Cell Adhesion Molecule-1