retinol has been researched along with vitamin a2 in 107 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 53 (49.53) | 18.7374 |
| 1990's | 28 (26.17) | 18.2507 |
| 2000's | 16 (14.95) | 29.6817 |
| 2010's | 8 (7.48) | 24.3611 |
| 2020's | 2 (1.87) | 2.80 |
| Authors | Studies |
|---|---|
| Raska, I; Toropov, AA; Toropova, AP | 1 |
| Foster, RG; Loew, ER; Provencio, I | 1 |
| Olson, JA; Tanumihardjo, SA | 2 |
| Törmä, H; Vahlquist, A | 4 |
| Andersson, E; Stenström, E; Törmä, H; Vahlquist, A | 1 |
| Dutta, NK; Goswami, UC | 1 |
| Koellner, PG; Olson, JA; Tanumihardjo, SA | 1 |
| Karyadi, D; Olson, JA; Permaesih, D; Sulaiman, Z; Tanumihardjo, SA; Yuniar, Y | 1 |
| Castillo, EA; Gentles, SN; Tsin, AT | 1 |
| Tsin, AT | 2 |
| Rollman, O; Vahlquist, A | 2 |
| Chambers, JP; Gallas, JM; Pedrozo-Fernandez, HA; Tsin, AT | 1 |
| Basumatari, G; Goswami, UC | 1 |
| Eguchi, E; Maeda, Y; Suzuki, T; Toh, Y | 1 |
| MacDonald, PN; Ong, DE | 1 |
| Barua, AB; Olson, JA; Tanumihardjo, SA | 1 |
| Barua, AB; Goswami, BC | 2 |
| Kito, Y; Seki, T; Suzuki, T; Uchiyama, I | 1 |
| Alvarez, RA; Bridges, CD; Fong, SL; Tsin, AT | 2 |
| Makino-Tasaka, M; Miyata, S; Nagai, K; Suzuke, T | 1 |
| Berne, B; Berne, C; Danielson, BG; Fischer, T; Vahlquist, A | 1 |
| Goswami, UC | 1 |
| Berne, B; Nilsson, M; Vahlquist, A | 1 |
| Stancher, B; Zonta, F | 2 |
| Makino, M; Nagai, K; Suzuki, T | 1 |
| Mooij, JE; van den Berg, TJ | 1 |
| Alvarez, R; Beatty, DD; Bridges, CD; Tsin, AT | 1 |
| Goldstein, EB; Semple-Rowland, SL | 1 |
| Vahlquist, A | 2 |
| Lee, JB; Michaëlsson, G; Rollman, O; Vahlquist, A | 1 |
| Barua, AB; Goswami, UC | 2 |
| Engbretson, GA; Hassin, G; Levine, JS; MacNichol, EF; Witkovsky, P | 1 |
| Creech Kraft, J; Juchau, MR; Kimelman, D | 1 |
| Alvarez, JO; Habte, D; Khaled, MA; Mahalanabis, D; Rahman, MM; Wahed, MA | 1 |
| Andersson, E; Björklind, C; Törmä, H; Vahlquist, A | 1 |
| Dew, SE; Ong, DE | 1 |
| Dahro, AM; Karyadi, D; Olson, JA; Permaesih, D; Rustan, E; Tanumihardjo, SA | 1 |
| Dahro, AM; Karyadi, D; Olson, JA; Permaesih, D; Tanumihardjo, SA | 1 |
| Creech Kraft, J; Juchau, MR; Kimelman, D; Schuh, T | 1 |
| Azuma, M; Irie, T; Seki, T | 1 |
| Cunliffe, WJ; Olsson, MJ; Rollman, O; Wood, EJ | 1 |
| Foster, RG; Provencio, I | 1 |
| Randolph, RK; Simon, M | 1 |
| Karyadi, D; Olson, JA; Permaesih, D; Tanumihardjo, SA | 1 |
| Andersson, E; Coble, BI; Rollman, O; Törmä, H; Vahlquist, A | 1 |
| Amons, R; de Jong, WW; Röll, B | 1 |
| Costaridis, P; Holder, N; Horton, C; Maden, M; Zeitlinger, J | 1 |
| Chipaila, P; Chipipa, J; Kafwembe, EM; Manyando, C; Mwandu, D; Sukwa, TY | 1 |
| Cheng, JC; Karyadi, D; Olson, JA; Permaesih, D; Rustan, E; Tanumihardjo, SA | 1 |
| Hyvärinen, H; Käkelä, A; Käkelä, R | 3 |
| de Pee, S; West, CE; Yuniar, Y | 1 |
| Aboobaker, VS; Bhattacharya, RK; Goswami, UC; Sarma, N | 1 |
| Röll, B | 1 |
| Asikainen, J; Hyvärinen, H; Käkelä, A; Käkelä, R | 1 |
| Penniston, KL; Tanumihardjo, SA | 1 |
| Fleishman, LJ; Foster, RG; Loew, ER; Provencio, I | 1 |
| Irie, T; Miyashita, Y; Moriya, T; Oishi, T; Okano, K; Seki, T; Tsuda, M; Ueki, N | 1 |
| Biesalski, HK; Craft, NE; Erhardt, JG; Malaba, LC | 1 |
| Hyvärinen, H; Käkelä, A; Käkelä, R; Nieminen, P | 1 |
| CAMA, HR; DALVI, PD; MORTON, RA; SALAH, MK | 1 |
| ABDULLAH, MM; MORCOS, SR; SALAH, MK | 1 |
| BALASUNDARAM, S; CAMA, HR; SUNDARESAN, PR; VARMA, TN | 1 |
| WOLF, H | 1 |
| UENO, I | 1 |
| BARUA, RK; NAIR, MG | 1 |
| HIROBE, R; MIKAWA, T | 1 |
| BAMJI, MS; LAKSHMANAN, MR; MURTHY, SK | 1 |
| YOSHIKAWA, S | 1 |
| BRIDGES, CD | 1 |
| PLACE, PA | 1 |
| Haimberger, TJ; Hawryshyn, CW; Plate, EM; Ramsden, S; Roth, WM; Temple, SE | 1 |
| Li, J; Surles, RL; Tanumihardjo, SA | 1 |
| Shantz, EM | 1 |
| McCANN, WS; MILLARD, EB | 1 |
| Sun, T; Surles, RL; Tanumihardjo, SA | 1 |
| Carter, NL; Haimberger, TJ; Hawryshyn, CW; Ramsden, SD; Roth, WM; Temple, SE; Veldhoen, KM; Veldhoen, NJ | 1 |
| Escaron, AL; Green, MH; Tanumihardjo, SA | 1 |
| Chilengi, R; Chipipa, J; Kafwembe, EM; Njunju, E | 1 |
| MORTON, RA; SALAH, MK; STUBBS, AL | 3 |
| MORTON, RA; STUBBS, AL | 1 |
| EMBREE, ND; SHANTZ, EM | 2 |
| Altenkamp, R; Brunnberg, L; Dietrich, R; Hurtienne, A; Krone, O; Müller, K; Raila, J; Schmidt, D; Schweigert, FJ; Wink, M | 1 |
| Parker, KA; Pinkas-Sarafova, A; Simon, M; Stolarzewicz, E; Tafrova, JI | 1 |
| Bernatchez, L; Campbell, PG; Couture, P; Defo, MA; Pierron, F; Spear, PA | 1 |
| Dever, JT; Riabroy, N; Tanumihardjo, SA | 1 |
| Allen, JR; Corbo, JC; Enright, JM; Fujiwara, R; Guengerich, FP; How, MJ; Johnson, KM; Johnson, SL; Kefalov, VJ; Kramlinger, VM; Nagy, LD; Roberts, NW; Sato, SY; Temple, SE; Toomey, MB; Xiao, Y | 1 |
| Boily, M; Brodeur, P; Houde, M; Landry, C; Spear, P | 1 |
| Burri, BJ; Cai, Y; La Frano, MR; Thilsted, SH | 1 |
| Akashi, F; Kawasaki, M; Manabe, Y; Matsui, T; Sugawara, T; Ueda, K | 1 |
| Byun, JM; Hong, J; Kim, D; Ko, M; Koh, Y; Liu, J; Min, S; Park, E; Park, J; Pei, S; Shin, DY; Yoon, SS | 1 |
| Owolabi, OA; Sallau, AB; Zailani, H | 1 |
1 review(s) available for retinol and vitamin a2
| Article | Year |
|---|---|
Discovery and biological relevance of 3,4-didehydroretinol (vitamin A
Topics: Animals; Bangladesh; Biological Availability; Diet; Fishes; Humans; Prevalence; Vitamin A; Vitamin A Deficiency | 2018 |
1 trial(s) available for retinol and vitamin a2
| Article | Year |
|---|---|
Evaluation of biochemical indicators of vitamin A status in breast-feeding and non-breast-feeding Indonesian women.
Topics: Adolescent; Adult; Animals; Breast Feeding; Cross-Sectional Studies; Female; Humans; Indonesia; Lactation; Milk, Human; Nutritional Status; Retinol-Binding Proteins; Sensitivity and Specificity; Vitamin A | 1997 |
105 other study(ies) available for retinol and vitamin a2
| Article | Year |
|---|---|
QSPR modeling of octanol/water partition coefficient for vitamins by optimal descriptors calculated with SMILES.
Topics: Models, Molecular; Models, Statistical; Molecular Structure; Octanols; Quantitative Structure-Activity Relationship; Vitamins; Water | 2008 |
Vitamin A2-based visual pigments in fully terrestrial vertebrates.
Topics: Animals; Chromatography, High Pressure Liquid; Lizards; Microspectrophotometry; Retinal Pigments; Vitamin A | 1992 |
The reproducibility of the modified relative dose response (MRDR) assay in healthy individuals over time and its comparison with conjunctival impression cytology (CIC).
Topics: Adult; Child, Preschool; Conjunctiva; Dose-Response Relationship, Drug; Female; Humans; Male; Reproducibility of Results; Time Factors; Vitamin A | 1991 |
Retinol uptake and metabolism to 3,4-didehydroretinol in human keratinocytes at various stages of differentiation.
Topics: Cell Differentiation; Chromatography, High Pressure Liquid; Epidermal Cells; Female; Humans; Keratinocytes; Vitamin A | 1991 |
Synthetic retinoids affect differently the epidermal synthesis of 3,4-didehydroretinol.
Topics: Female; Humans; Isotretinoin; Organ Culture Techniques; Retinoids; Skin; Tritium; Vitamin A | 1991 |
Vitamin A-deficient diet and its effects on certain haematological parameters of Heteropneustes fossilis a 3-4-dehydroretinol rich freshwater fish.
Topics: Animals; Catfishes; Diet; Erythrocyte Count; Fish Diseases; Hemoglobins; Leukocyte Count; Vitamin A; Vitamin A Deficiency | 1991 |
Biosynthesis of 3,4-didehydroretinol and fatty acyl esters of retinol and 3,4-didehydroretinol by organ-cultured human skin.
Topics: Acylation; Biotransformation; Chromatography, High Pressure Liquid; Esters; Female; Humans; Organ Culture Techniques; Radioisotope Dilution Technique; Skin; Tritium; Vitamin A | 1990 |
The modified relative-dose-response assay as an indicator of vitamin A status in a population of well-nourished American children.
Topics: Child; Child, Preschool; Dose-Response Relationship, Drug; Female; Humans; Iowa; Male; Nutritional Status; Reference Values; Tretinoin; Vitamin A | 1990 |
Vitamin A status in preschool-age Indonesian children as assessed by the modified relative-dose-response assay.
Topics: Anthropometry; Child, Preschool; Dose-Response Relationship, Drug; Humans; Indonesia; Infant; Nutritional Status; Time Factors; Tretinoin; Vitamin A; Vitamin A Deficiency | 1990 |
Selective utilization of serum vitamin A for visual pigment synthesis.
Topics: Animals; Chromatography, High Pressure Liquid; Cyprinidae; Goldfish; Light; Liver; Pigment Epithelium of Eye; Retina; Retinal Pigments; Rhodopsin; Spectrophotometry; Temperature; Vitamin A | 1989 |
Enzymatic esterification of exogenous retinol and 3,4-didehydroretinol in the retinal pigment epithelium.
Topics: Animals; Chromatography, High Pressure Liquid; Diterpenes; Esters; Kinetics; Pigment Epithelium of Eye; Ranidae; Retinyl Esters; Vitamin A | 1986 |
Vitamin A in skin and serum--studies of acne vulgaris, atopic dermatitis, ichthyosis vulgaris and lichen planus.
Topics: Acne Vulgaris; Adolescent; Adult; Aged; Carotenoids; Dermatitis, Atopic; Female; Humans; Ichthyosis; Lichen Planus; Male; Middle Aged; Retinol-Binding Proteins; Skin; Skin Diseases; Vitamin A | 1985 |
The fluorescence quantum yield of vitamin A2.
Topics: Chromatography, High Pressure Liquid; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Vitamin A | 1988 |
Vitamin A-deficient diet and its effect on the body weight of dehydroretinol-rich freshwater fish.
Topics: Animals; Body Weight; Diet; Diterpenes; Fishes; Intestines; Liver; Retinyl Esters; Vitamin A | 1988 |
Retinyl and 3-dehydroretinyl esters in the crayfish retina.
Topics: Animals; Astacoidea; Microscopy, Electron; Retina; Retinal Pigments; Rhodopsin; Vitamin A | 1988 |
A modified relative dose-response assay employing 3,4-didehydroretinol (vitamin A2) in rats.
Topics: Animals; Chromatography, High Pressure Liquid; Female; Liver; Rats; Rats, Inbred Strains; Tretinoin; Vitamin A; Vitamin A Deficiency | 1988 |
Identification of 3-dehydroretinol (vitamin A2) in mouse liver.
Topics: Age Factors; Animals; Chromatography, High Pressure Liquid; Female; Liver; Mice; Mice, Hairless; Vitamin A | 1988 |
Competition between retinol and 3,4-didehydroretinol for esterification in crude pigment epithelial cell fractions.
Topics: Animals; Diterpenes; Esterification; In Vitro Techniques; Pigment Epithelium of Eye; Rana pipiens; Retinyl Esters; Vitamin A | 1986 |
Binding specificities of cellular retinol-binding protein and cellular retinol-binding protein, type II.
Topics: Animals; Binding Sites; Binding, Competitive; Liver; Rats; Retinaldehyde; Retinol-Binding Proteins; Retinol-Binding Proteins, Cellular; Spectrometry, Fluorescence; Spectrophotometry; Stereoisomerism; Vitamin A | 1987 |
Use of 3,4-didehydroretinol to assess vitamin A status in rats.
Topics: Animals; Diterpenes; Female; Liver; Rats; Rats, Inbred Strains; Retinyl Esters; Vitamin A; Vitamin A Deficiency | 1987 |
Metabolism of dehydroretinyl ester in White Leghorn chicks.
Topics: Absorption; Animals; Animals, Newborn; Chickens; Esters; Liver; Reference Values; Vitamin A; Vitamin A Deficiency | 1986 |
3-Dehydroretinal in the eye of a bioluminescent squid, Watasenia scintillans.
Topics: Animals; Chromatography, High Pressure Liquid; Decapodiformes; Eye; Light; Luminescent Measurements; Retinal Pigments; Retinaldehyde; Retinoids; Vitamin A | 1986 |
Conversion of retinol to 3,4-didehydroretinol in the tadpole.
Topics: Animals; Eye; In Vitro Techniques; Larva; Rana catesbeiana; Retinoids; Vitamin A | 1985 |
Spatial distribution of visual pigment and dopamine in the bullfrog retina.
Topics: Animals; Biometry; Dopamine; Optic Disk; Rana catesbeiana; Retina; Retinal Pigments; Vitamin A | 1985 |
Biosynthesis of 3-dehydroretinol (vitamin A2) from all-trans-retinol (vitamin A1) in human epidermis.
Topics: Chromatography, High Pressure Liquid; Humans; Skin; Tritium; Vitamin A | 1985 |
Psoriasis and vitamin A. Plasma transport and skin content of retinol, dehydroretinol and carotenoids in adult patients versus healthy controls.
Topics: Adolescent; Adult; Aged; Biological Transport; Carotenoids; Female; Humans; Male; Middle Aged; Psoriasis; Retinoids; Retinol-Binding Proteins; Retinol-Binding Proteins, Plasma; Skin; Vitamin A | 1985 |
Use of high-performance liquid chromatography in the analysis of retinyl and 3,4-didehydroretinyl compounds in tissue extracts of bullfrog tadpoles and goldfish.
Topics: Animals; Chromatography, High Pressure Liquid; Diterpenes; Esters; Eye; Goldfish; Larva; Liver; Rana catesbeiana; Retinaldehyde; Retinoids; Retinyl Esters; Vitamin A | 1984 |
UV treatment of uraemic pruritus reduces the vitamin A content of the skin.
Topics: Adult; Aged; Carotenoids; Female; Humans; Kidney Failure, Chronic; Male; Middle Aged; Pruritus; Retinol-Binding Proteins; Skin; Ultraviolet Therapy; Vitamin A | 1984 |
Metabolism of cryptoxanthin in freshwater fish.
Topics: Animals; beta Carotene; Carotenoids; Cryptoxanthins; Fishes; Intestinal Mucosa; Liver; Vitamin A; Vitamin A Deficiency; Xanthophylls | 1984 |
UV irradiation and cutaneous vitamin A: an experimental study in rabbit and human skin.
Topics: Animals; Dose-Response Relationship, Radiation; Epidermis; Humans; In Vitro Techniques; Rabbits; Skin; Ultraviolet Rays; Vitamin A | 1984 |
Quantitative high-performance liquid chromatographic method for determining the isomer distribution of retinol (vitamin A1) and 3-dehydroretinol (vitamin A2) in fish oils.
Topics: Animals; Chromatography, High Pressure Liquid; Fish Oils; Isomerism; Spectrophotometry, Ultraviolet; Vitamin A | 1984 |
Seasonal variation of the vitamin A2-based visual pigment in the retina of adult bullfrog, Rana catesbeiana.
Topics: Animals; Chromatography, High Pressure Liquid; Rana catesbeiana; Retinal Pigments; Retinaldehyde; Seasons; Temperature; Vitamin A | 1983 |
The spectral shape of A2 visual pigments.
Topics: Animals; Electroretinography; Goldfish; Photoreceptor Cells; Retinal Pigments; Spectrophotometry; Vitamin A | 1983 |
High-performance liquid chromatography of the unsaponifiable from samples of marine and freshwater fish: fractionation and identification of retinol (vitamin A1) and dehydroretinol (vitamin A2) isomers.
Topics: Animals; Chromatography, High Pressure Liquid; Eye; Fish Oils; Fishes; Isomerism; Photolysis; Vitamin A | 1984 |
Selective utilization of vitamins A1 and A2 by goldfish photoreceptors.
Topics: Animals; Cyprinidae; Goldfish; Photoreceptor Cells; Retinal Pigments; Rhodopsin; Time Factors; Vitamin A | 1983 |
Segregation of vitamin A1 and vitamin A2 cone pigments in the bullfrog retina.
Topics: Action Potentials; Animals; Dark Adaptation; In Vitro Techniques; Photic Stimulation; Photoreceptor Cells; Rana catesbeiana; Retina; Retinal Pigments; Spectrophotometry; Vitamin A | 1981 |
Vitamin A in human skin: I. detection and identification of retinoids in normal epidermis.
Topics: Chromatography, High Pressure Liquid; Female; Humans; Reference Standards; Retinaldehyde; Skin; Tretinoin; Vitamin A | 1982 |
Vitamin A in human skin: II Concentrations of carotene, retinol and dehydroretinol in various components of normal skin.
Topics: beta Carotene; Carotenoids; Humans; Lipids; Skin; Vitamin A | 1982 |
Intestinal conversion of lutein into 3-dehydroretinol in freshwater fish, Heteropneustes fossilis & Channa straitus.
Topics: Animals; Biotransformation; Fishes; Intestinal Mucosa; Lutein; Vitamin A | 1981 |
Interconversion of vitamin A1 & A2 in freshwater fish.
Topics: Animals; Biotransformation; Fishes; Liver; Vitamin A; Vitamin A Deficiency | 1981 |
A microspectrophotometric study of normal and artificial visual pigments in the photoreceptors of Xenopus laevis.
Topics: Animals; Larva; Photoreceptor Cells; Retinal Pigments; Spectrophotometry; Vitamin A; Vitamin A Deficiency; Xenopus laevis | 1981 |
Distribution of retinol & dehydroretinol in freshwater fish.
Topics: Animals; Fishes; Fresh Water; Liver; Pigmentation; Vitamin A | 1981 |
The identification of dehydroretinol (vitamin A2) in human skin.
Topics: Humans; Psoriasis; Skin; Vitamin A | 1980 |
Xenopus laevis: a model system for the study of embryonic retinoid metabolism. II. Embryonic metabolism of all-trans-3,4-didehydroretinol to all-trans-3,4-didehydroretinoic acid.
Topics: Abnormalities, Drug-Induced; Animals; Chromatography, High Pressure Liquid; Embryo, Nonmammalian; Female; Phenotype; Teratogens; Tretinoin; Vitamin A; Xenopus laevis | 1995 |
Comparison of the modified relative dose response (MRDR) and the relative dose response (RDR) in the assessment of vitamin A status in malnourished children.
Topics: Child, Preschool; Chromatography, High Pressure Liquid; Dose-Response Relationship, Drug; Female; Humans; Infant; Male; Nutrition Disorders; Nutritional Status; Retinol-Binding Proteins; Vitamin A | 1995 |
The metabolism of vitamin A to 3,4-didehydroretinol can be demonstrated in human keratinocytes, melanoma cells and HeLa cells, and is correlated to cellular retinoid-binding protein expression.
Topics: Animals; Cells, Cultured; Chlorocebus aethiops; HeLa Cells; Humans; Keratinocytes; Melanoma; Receptors, Retinoic Acid; Tumor Cells, Cultured; Vitamin A | 1994 |
Specificity of the retinol transporter of the rat small intestine brush border.
Topics: Acyltransferases; Animals; Animals, Suckling; Esterification; Ethylmaleimide; Intestinal Absorption; Intestine, Small; Kinetics; Microvilli; Rats; Rats, Sprague-Dawley; Retinoids; Retinol-Binding Proteins; Retinol-Binding Proteins, Cellular; Stereoisomerism; Vitamin A | 1994 |
Comparison of vitamin A status assessment techniques in children from two Indonesian villages.
Topics: Administration, Oral; Body Weight; Child; Child, Preschool; Chromatography, High Pressure Liquid; Conjunctiva; Cytological Techniques; Dose-Response Relationship, Drug; Humans; Indonesia; Infant; Nutrition Assessment; Nutritional Status; Reference Standards; Rural Population; Vitamin A; Vitamin A Deficiency | 1994 |
Assessment of the vitamin A status in lactating and nonlactating, nonpregnant Indonesian women by use of the modified-relative-dose-response (MRDR) test.
Topics: Administration, Oral; Adolescent; Adult; Body Weight; Dose-Response Relationship, Drug; Female; Humans; Indonesia; Lactation; Nutrition Assessment; Reproducibility of Results; Socioeconomic Factors; Suburban Population; Vitamin A; Vitamin A Deficiency | 1994 |
Temporal distribution, localization and metabolism of all-trans-retinol, didehydroretinol and all-trans-retinal during Xenopus development.
Topics: Animals; Embryonic and Fetal Development; Retinaldehyde; Stereoisomerism; Tissue Distribution; Tretinoin; Vitamin A; Xenopus laevis | 1994 |
Retinals and retinols induced by estrogen in the blood plasma of Xenopus laevis.
Topics: Animals; Chromatography, High Pressure Liquid; Electrophoresis, Polyacrylamide Gel; Estradiol; Female; Kinetics; Male; Retinaldehyde; Vitamin A; Xenopus laevis | 1993 |
Biosynthesis of 3,4-didehydroretinol from retinol by human skin keratinocytes in culture.
Topics: Cells, Cultured; Culture Media; Esterification; Fibroblasts; Humans; Isotretinoin; Keratinocytes; Melanocytes; Skin; Tritium; Vitamin A | 1993 |
Vitamin A2-based photopigments within the pineal gland of a fully terrestrial vertebrate.
Topics: Adaptation, Physiological; Animals; Lizards; Photoreceptor Cells; Phylogeny; Pigments, Biological; Pineal Gland; Retinoids; Species Specificity; Vitamin A | 1993 |
all-trans-retinoic acid regulates retinol and 3,4-didehydroretinol metabolism in cultured human epidermal keratinocytes.
Topics: Adult; Cells, Cultured; Epidermal Cells; Epidermis; Humans; Keratinocytes; Male; Retinoids; Tretinoin; Vitamin A | 1996 |
Daily supplements of vitamin A (8.4 mumol, 8000 IU) improve the vitamin A status of lactating Indonesian women.
Topics: Adolescent; Adult; Dose-Response Relationship, Drug; Female; Hematocrit; Hemoglobins; Humans; Indonesia; Iron; Lactation; Milk, Human; Nutritional Status; Vitamin A | 1996 |
Increased concentrations of 3,4-didehydroretinol and retinoic acid-binding protein (CRABPII) in human squamous cell carcinoma and keratoacanthoma but not in basal cell carcinoma of the skin.
Topics: Aged; Aged, 80 and over; Carcinoma, Basal Cell; Carcinoma, Squamous Cell; Humans; Keratoacanthoma; Middle Aged; Receptors, Retinoic Acid; Retinol-Binding Proteins; Retinol-Binding Proteins, Cellular; RNA, Messenger; Skin Diseases; Skin Neoplasms; Vitamin A | 1996 |
Vitamin A2 bound to cellular retinol-binding protein as ultraviolet filter in the eye lens of the gecko Lygodactylus picturatus.
Topics: Amino Acid Sequence; Animals; Lens, Crystalline; Lizards; Molecular Sequence Data; Protein Binding; Receptors, Retinoic Acid; Sequence Homology, Amino Acid; Ultraviolet Rays; Vitamin A | 1996 |
Endogenous retinoids in the zebrafish embryo and adult.
Topics: Alcohol Dehydrogenase; Aldehyde Oxidoreductases; Animals; Antimetabolites; Disulfiram; Enzyme Inhibitors; Fomepizole; Immunohistochemistry; Pyrazoles; Retinal Dehydrogenase; Retinaldehyde; Retinoids; Stereoisomerism; Tretinoin; Vitamin A; Zebrafish | 1996 |
The vitamin A status of Zambian children attending an under five clinic as evaluated by the modified relative dose response (MRDR) test.
Topics: Child, Preschool; Female; Humans; Infant; Male; Nutritional Status; Vitamin A; Vitamin A Deficiency; Zambia | 1996 |
Refinement of the modified-relative-dose-response test as a method for assessing vitamin A status in a field setting: experience with Indonesian children.
Topics: Adult; Body Weight; Child; Child, Preschool; Dose-Response Relationship, Drug; Humans; Indonesia; Vitamin A; Vitamin A Deficiency | 1996 |
Vitamins A1 (retinol), A2 (3,4-didehydroretinol) and E (alpha-tocopherol) in the liver and blubber of lacustrine and marine ringed seals (Phoca hispida sp.).
Topics: Adipose Tissue; Animals; Body Weight; Chromatography, High Pressure Liquid; Diet; Female; Fresh Water; Liver; Male; Seals, Earless; Seawater; Vitamin A; Vitamin E | 1997 |
Inhibition of microsomal activation of aflatoxin B1 by 3-dehydroretinol and 3-dehydroretinyl palmitate.
Topics: Aflatoxin B1; Animals; Carcinogens; Diterpenes; Microsomes, Liver; Rats; Vitamin A | 1997 |
Carotenoid and retinoid--two pigments in a gecko eye lens.
Topics: Animals; Carotenoids; Crystallins; Lens, Crystalline; Lizards; Pigments, Biological; Retinoids; Vitamin A | 2000 |
Analysis of hepatic vitamins A1, A2, their fatty acyl esters, and vitamin E for biomonitoring mammals feeding on freshwater fish.
Topics: Animals; Biomarkers; Chromatography, High Pressure Liquid; Diet; Environmental Monitoring; Esters; Fishes; Food Chain; Liver; Mammals; Vitamin A; Vitamin E; Water Pollutants, Chemical | 2002 |
Vitamins A1 and A2 in hepatic tissue and subcellular fractions in mink feeding on fish-based diets and exposed to Aroclor 1242.
Topics: Animals; Aroclors; Chromatography, High Pressure Liquid; Diet; Environmental Pollutants; Female; Fishes; Hemoglobins; Liver; Mink; Polychlorinated Biphenyls; Tissue Distribution; Vitamin A | 2002 |
Simplified methodology to determine breast milk retinol concentrations.
Topics: Chromatography, High Pressure Liquid; Humans; Milk, Human; Reference Standards; Vitamin A | 2002 |
Visual pigments and oil droplets in diurnal lizards: a comparative study of Caribbean anoles.
Topics: Animals; Caribbean Region; Ecology; Light; Lizards; Oils; Phylogeny; Retinal Pigments; Ultraviolet Rays; Vitamin A | 2002 |
Identification of 3,4-didehydroretinal isomers in the Xenopus tadpole tail fin containing photosensitive melanophores.
Topics: Animals; Chromatography, High Pressure Liquid; Eye; Isomerism; Larva; Melanophores; Photochemistry; Tail; Vitamin A; Xenopus laevis | 2002 |
Improved method for measurement of retinol and didehydroretinol in the modified relative dose response test to detect vitamin A deficiency.
Topics: Chromatography, High Pressure Liquid; Dose-Response Relationship, Drug; Humans; Vitamin A | 2003 |
Effects of Aroclor 1242 and different fish-based diets on vitamins A1 (retinol) and A2 (3,4-didehydroretinol), and their fatty acyl esters in mink plasma.
Topics: Administration, Oral; Animal Feed; Animals; Aroclors; Diet; Environmental Pollutants; Female; Mink; Nutritional Status; Oleic Acids; Palmitates; Stearates; Vitamin A | 2003 |
Importance of the kidneys in metabolism of vitamins A1 and A2 and their fatty acyl esters in mink feeding on fish-based diets and exposed to Aroclor 1242.
Topics: Animal Feed; Animals; Aroclors; Fatty Acids; Female; Fishes; Kidney; Mink; Vitamin A | 2003 |
Studies in vitamin A. XXI. Retinene2 and vitamin A2.
Topics: Vitamin A | 1952 |
Content of vitamin A2 in some Nile fishes.
Topics: Fishes; Lipid Metabolism; Liver; Vitamin A | 1954 |
High-potency vitamin A2 oils from Indian freshwater fish.
Topics: Adrenal Glands; Fish Oils; Food; Fresh Water; Oils; Vitamin A | 1955 |
[Vitamin B6. 2. Studies in vitamin B6 metabolism].
Topics: Humans; Infant; Infant Nutritional Physiological Phenomena; Vitamin A; Vitamin B 6 | 1958 |
[Effect of radiations on vitamin B1 metabolism. Communication 2. Changes of vitamin B1 content in the liver and brain].
Topics: Animals; Brain; Liver; Radiation Injuries, Experimental; Thiamine; Vitamin A | 1960 |
A new synthesis of vitamin A2: conversion of vitamin A1 to A2.
Topics: Vitamin A | 1962 |
[Influence of rice- or wheat-feeding on the urinary excretion of vitamin C. 2. Experiment in guinea pigs and human beings].
Topics: Animals; Ascorbic Acid; Diet; Guinea Pigs; Humans; Nutrition Assessment; Oryza; Triticum; Vitamin A; Vitamins | 1962 |
Oxidation of vitamin A1 and vitamin A2 aldehydes to the corresponding acids by enzymes from pig and rat livers.
Topics: Acids; Aldehydes; Animals; Liver; Oxidation-Reduction; Oxidoreductases; Rats; Sus scrofa; Swine; Vitamin A | 1962 |
[On the vitamin B content of the blood in patients with bone and joint tuberculosis. 2. Total vitamin B2 content].
Topics: Bone and Bones; Humans; Riboflavin; Tuberculosis, Osteoarticular; Vitamin A; Vitamins | 1963 |
PERIODICITY OF ABSORPTION PROPERTIES IN PIGMENTS BASED ON VITAMIN A2 FROM FISH RETINAE.
Topics: Fishes; Periodicity; Pigments, Biological; Research; Retina; Retinal Pigments; Spectrum Analysis; Vitamin A | 1964 |
The colorimetric reaction between vitamin A2 aldehyde and antimony trichloride.
Topics: Aldehydes; Antimony; Chlorides; Vitamin A | 1961 |
Seasonal cycle in vitamin A1/A2-based visual pigment composition during the life history of coho salmon (Oncorhynchus kisutch).
Topics: Animals; Environment; Life Cycle Stages; Microspectrophotometry; Oncorhynchus kisutch; Photoperiod; Retinal Pigments; Retinal Rod Photoreceptor Cells; Seasons; Sunlight; Temperature; Thyroid Hormones; Vitamin A | 2006 |
The modified-relative-dose-response values in serum and milk are positively correlated over time in lactating sows with adequate vitamin A status.
Topics: Animals; Esters; Female; Lactation; Liver; Milk; Nutritional Status; Swine; Time Factors; Vitamin A | 2006 |
Isolation of Pure Vitamin A2.
Topics: Humans; Vitamin A | 1948 |
Effect of vitamin A2 on the red and blue threshold of fully dark adapted vision.
Topics: Dark Adaptation; Eye; Humans; Vitamin A; Vitamin K; Vitamins | 1949 |
Vitamin A concentrations in piglet extrahepatic tissues respond differently ten days after vitamin A treatment.
Topics: Adrenal Glands; Animals; Chylomicrons; Dose-Response Relationship, Drug; Female; Kidney; Liver; Lung; Male; Spleen; Swine; Tissue Distribution; Vitamin A | 2008 |
Effects of exogenous thyroid hormones on visual pigment composition in coho salmon (Oncorhynchus kisutch).
Topics: Amino Acid Sequence; Animals; Base Sequence; DNA Primers; Metamorphosis, Biological; Molecular Sequence Data; Oncorhynchus kisutch; Retinal Cone Photoreceptor Cells; Retinal Pigments; Retinal Rod Photoreceptor Cells; Rod Opsins; Seasons; Sequence Homology, Amino Acid; Spectrophotometry; Thyroid Hormones; Thyroxine; Triiodothyronine; Vitamin A | 2008 |
Plasma turnover of 3,4-didehydroretinol (vitamin A2) increases in vitamin A-deficient rats fed low versus high dietary fat.
Topics: Adipose Tissue; Adiposity; Animals; Body Weight; Dietary Fats; Diterpenes; Liver; Male; Models, Biological; Obesity; Rats; Rats, Sprague-Dawley; Retinoids; Retinyl Esters; Vitamin A; Vitamin A Deficiency | 2009 |
The vitamin A status of Zambian children in a community of vitamin A supplementation and sugar fortification strategies as measured by the modified relative dose response (MRDR) test.
Topics: Aging; Animals; Blood; Child, Preschool; Cross-Sectional Studies; Dietary Sucrose; Dietary Supplements; Feces; Female; Food, Fortified; Humans; Infant; Male; Nutrition Assessment; Nutrition Policy; Nutritional Status; Plasmodium; Surveys and Questionnaires; Vitamin A; Vitamin A Deficiency; Zambia | 2009 |
Retinene2 and vitamin A2.
Topics: Retinaldehyde; Vitamin A; Vitamins | 1947 |
Ling cod and other fish liver oils rich in vitamin A2.
Topics: Animals; Fish Oils; Fishes; Humans; Liver; Oils; Vitamin A; Vitamins | 1946 |
Retinene2-vitamin A2 aldehyde.
Topics: Aldehydes; Vitamin A; Vitamins | 1946 |
Conversion of retinene2 to vitamin A2 in vivo.
Topics: Retinaldehyde; Vitamin A; Vitamins | 1947 |
The replacement of vitamin A1 by vitamin A2 in the retina of the rat.
Topics: Animals; Lipid Metabolism; Rats; Retina; Vitamin A; Vitamin B Complex; Vitamins | 1946 |
Replacement of vitamin A1 by vitamin A2 in the retina of the rat.
Topics: Animals; Lipid Metabolism; Rats; Retina; Vitamin A; Vitamins | 1946 |
Concentrations of retinol, 3,4-didehydroretinol, and retinyl esters in plasma of free-ranging birds of prey.
Topics: Aging; Animals; Animals, Wild; Falconiformes; Female; Male; Sex Factors; Vitamin A | 2012 |
UVA/B exposure promotes the biosynthesis of dehydroretinol in cultured human keratinocytes.
Topics: Acyltransferases; Apoptosis; Cell Membrane Permeability; Cells, Cultured; Digitonin; Enzyme Activation; Esters; Fas Ligand Protein; Humans; Keratinocytes; Radiation-Protective Agents; Ultraviolet Rays; Vitamin A | 2012 |
Evidence for metabolic imbalance of vitamin A2 in wild fish chronically exposed to metals.
Topics: Animals; Biomarkers; Cadmium; Homeostasis; Kidney; Lakes; Liver; Perches; Quebec; Transcriptome; Vitamin A; Water Pollutants | 2012 |
α-Retinol and 3,4-didehydroretinol support growth in rats when fed at equimolar amounts and α-retinol is not toxic after repeated administration of large doses.
Topics: Animals; Area Under Curve; Body Weight; Diet; Dietary Supplements; Dose-Response Relationship, Drug; Drug-Related Side Effects and Adverse Reactions; Growth; Liver; Male; Rats; Rats, Sprague-Dawley; Vitamin A; Vitamin A Deficiency; Weaning | 2014 |
Cyp27c1 Red-Shifts the Spectral Sensitivity of Photoreceptors by Converting Vitamin A1 into A2.
Topics: Amphibian Proteins; Animals; Cytochrome P-450 Enzyme System; Infrared Rays; Photoreceptor Cells, Vertebrate; Rana catesbeiana; Transcriptome; Visual Perception; Vitamin A; Zebrafish; Zebrafish Proteins | 2015 |
Lipophilic antioxidants and lipid peroxidation in yellow perch subjected to various anthropogenic influences along the St. Lawrence River (QC, Canada).
Topics: alpha-Tocopherol; Animals; Antioxidants; Body Size; Carotenoids; Humans; Lakes; Larva; Lipid Peroxidation; Lycopene; Perches; Quebec; Retinoids; Rivers; Stress, Physiological; Vitamin A; Water Pollutants | 2017 |
Effects of feeding on plasma concentrations of vitamin A in captive African penguins (Spheniscus demersus).
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Animals, Zoo; Diet; Fishes; Spheniscidae; Vitamin A | 2019 |
Pharmacological GLUT3 salvage augments the efficacy of vitamin C-induced TET2 restoration in acute myeloid leukemia.
Topics: Ascorbic Acid; Dioxygenases; DNA-Binding Proteins; Glucose Transporter Type 3; Humans; Leukemia, Myeloid, Acute; Translocation, Genetic; Vitamin A | 2023 |
Contribution of school meals to the recommended nutrient and energy intake of children enrolled in the National Homegrown School Feeding Program in Zaria, Nigeria.
Topics: Ascorbic Acid; Calcium; Child; Cross-Sectional Studies; Diet; Dietary Carbohydrates; Energy Intake; Female; Humans; Iron; Male; Meals; Nigeria; Nutritive Value; Potassium; Schools; Sodium; Vitamin A; Vitamins; Zinc | 2023 |