Metabolism of vitamin D2 in pig liver homogenates: evidence for a free radical reaction.

[1]  N. Koszewski,et al.  24,26-Dihydroxyvitamin D2: a unique physiological metabolite of vitamin D2. , 1988, Biochemistry.

[2]  P. Hartman,et al.  Factors influencing production of 5(E)-19-nor-10-keto-vitamin D3 by rumen bacteria. , 1987, Journal of steroid biochemistry.

[3]  M. Uskoković,et al.  Use of Fourier transform 1H NMR in the identification of vitamin D2 metabolites. , 1987, Analytical biochemistry.

[4]  I. Yamazaki Free radical mechanisms in enzyme reactions. , 1987, Free radical biology & medicine.

[5]  I. Björkhem,et al.  25-Hydroxylase activity in subcellular fractions from human liver. Evidence for different rates of mitochondrial hydroxylation of vitamin D2 and D3. , 1986, Scandinavian journal of clinical and laboratory investigation.

[6]  R. Horst,et al.  25-Hydroxyvitamin D3-23-hydroxylase, a renal enzyme in several animal species. , 1986, Archives of biochemistry and biophysics.

[7]  J. Frank,et al.  Bovine serum amine oxidase: a mammalian enzyme having covalently bound PQQ as prosthetic group , 1984, FEBS letters.

[8]  R. Horst,et al.  Formation of 19-nor-10-keto-25-hydroxyvitamin D3 in cultured mammalian cells. , 1984, Biochemical and biophysical research communications.

[9]  G. Littarru,et al.  Quenching of singlet oxygen by D-α-tocopherol in human granulocytes , 1984 .

[10]  K. Fukuzawa,et al.  Oxidation of alpha-tocopherol in micelles and liposomes by the hydroxyl, perhydroxyl, and superoxide free radicals. , 1983, Archives of biochemistry and biophysics.

[11]  M. Uskoković,et al.  19-nor-10-ketovitamin D derivatives: unique metabolites of vitamin D3, vitamin D2, and 25-hydroxyvitamin D3. , 1983, Biochemistry.

[12]  J. Crapo,et al.  Biology of disease: free radicals and tissue injury. , 1982, Laboratory investigation; a journal of technical methods and pathology.

[13]  A. Gräslund,et al.  Characterization of the free radical of mammalian ribonucleotide reductase. , 1982, The Journal of biological chemistry.

[14]  R. Horst,et al.  Discrimination in the metabolism of orally dosed ergocalciferol and cholecalciferol by the pig, rat and chick. , 1982, The Biochemical journal.

[15]  R. Horst,et al.  Quantitation of vitamin D and its metabolites and their plasma concentrations in five species of animals. , 1981, Analytical biochemistry.

[16]  I. Yamazaki,et al.  Formation of porphyrin pi cation radical in zinc-substituted horseradish peroxidase. , 1980, Biochemistry.

[17]  H. DeLuca,et al.  Isolation and identification of 24-hydroxyvitamin D2 and 24,25-dihydroxyvitamin D2. , 1980, Archives of biochemistry and biophysics.

[18]  I. Björkhem,et al.  25-Hydroxylation of vitamin D3 by a reconstituted system from rat liver microsomes. , 1979, Biochemical and biophysical research communications.

[19]  A. Norman Vitamin D: The calcium homeostatic steroid hormone , 1979 .

[20]  B. Sjöberg,et al.  The tyrosine free radical in ribonucleotide reductase from Escherichia coli. , 1978, The Journal of biological chemistry.

[21]  J. Frommer,et al.  Photometabolism of 7-dehydrocholesterol to previtamin D3 in skin. , 1977, Biochemical and biophysical research communications.

[22]  H. DeLuca,et al.  Isolation and identification of 1,25-dihydroxyvitamin D2. , 1975, Biochemistry.

[23]  H. DeLuca,et al.  25-Hydroxyvitamin D3-24-hydroxylase. Subcellular location and properties. , 1974, Biochemistry.

[24]  H. DeLuca,et al.  25-Hydroxycholecalciferol-1-hydroxylase. Subcellular location and properties. , 1972, The Journal of biological chemistry.

[25]  H. Nowicki,et al.  1,25-Dihydroxycholecalciferol: Identification of the Proposed Active Form of Vitamin D3 in the Intestine , 1971, Science.

[26]  D. Fraser,et al.  Unique Biosynthesis by Kidney of a Biologically Active Vitamin D Metabolite , 1970, Nature.

[27]  H. DeLuca,et al.  In vitro production of 25-hydroxycholecalciferol. , 1969, Biochemical and biophysical research communications.

[28]  T. Iyanagi,et al.  One-electron-transfer reactions in biochemical systems. 3. One-electron reduction of quinones by microsomal flavin enzymes. , 1969, Biochimica et biophysica acta.

[29]  D. Hegsted,et al.  Vitamins D2 and D3 in New World Primates: Influence on Calcium Absorption , 1967, Science.

[30]  P. S. Chen,et al.  EFFECT OF VITAMINS D2 AND D3 ON SERUM CALCIUM AND PHOSPHORUS IN RACHITIC CHICKS. , 1964, The Journal of nutrition.

[31]  B. Brodie,et al.  Ascorbic acid in aromatic hydroxylation. I. A model system for aromatic hydroxylation. , 1954, The Journal of biological chemistry.

[32]  A. Gornall,et al.  Determination of serum proteins by means of the biuret reaction. , 1949, The Journal of biological chemistry.

[33]  H. Steenbock,et al.  THE REACTION OF THE CHICKEN TO IRRADIATED ERGOSTEROL AND IRRADIATED YEAST AS CONTRASTED WITH THE NATURAL VITAMIN D OF FISH LIVER OILS , 1932 .