Okano T - Search Results

1

Two novel metabolic pathways of 22-oxacalcitriol (OCT). C-25 dehydration and C-3 epimerization and biological activities of novel OCT metabolites.

Kamao M, Tatematsu S, Hatakeyama S, Ozono K, Kubodera N, Reddy GS, Okano T. Kamao M, et al. Among authors: okano t. J Biol Chem. 2003 Jan 17;278(3):1463-71. doi: 10.1074/jbc.M203773200. Epub 2002 Nov 1. J Biol Chem. 2003. PMID: 12417596 Free article.

2

C-3 epimerization of vitamin D3 metabolites and further metabolism of C-3 epimers: 25-hydroxyvitamin D3 is metabolized to 3-epi-25-hydroxyvitamin D3 and subsequently metabolized through C-1alpha or C-24 hydroxylation.

Kamao M, Tatematsu S, Hatakeyama S, Sakaki T, Sawada N, Inouye K, Ozono K, Kubodera N, Reddy GS, Okano T. Kamao M, et al. Among authors: okano t. J Biol Chem. 2004 Apr 16;279(16):15897-907. doi: 10.1074/jbc.M311473200. Epub 2004 Feb 2. J Biol Chem. 2004. PMID: 14757768 Free article.

3

Cell specificity and properties of the C-3 epimerization of Vitamin D3 metabolites.

Kamao M, Tatematsu S, Sawada N, Sakaki T, Hatakeyama S, Kubodera N, Okano T. Kamao M, et al. Among authors: okano t. J Steroid Biochem Mol Biol. 2004 May;89-90(1-5):39-42. doi: 10.1016/j.jsbmb.2004.03.048. J Steroid Biochem Mol Biol. 2004. PMID: 15225744

4

Measurement and characterization of C-3 epimerization activity toward vitamin D3.

Kamao M, Hatakeyama S, Sakaki T, Sawada N, Inouye K, Kubodera N, Reddy GS, Okano T. Kamao M, et al. Among authors: okano t. Arch Biochem Biophys. 2005 Apr 1;436(1):196-205. doi: 10.1016/j.abb.2005.01.017. Arch Biochem Biophys. 2005. PMID: 15752725

5

Conversion of phylloquinone (Vitamin K1) into menaquinone-4 (Vitamin K2) in mice: two possible routes for menaquinone-4 accumulation in cerebra of mice.

Okano T, Shimomura Y, Yamane M, Suhara Y, Kamao M, Sugiura M, Nakagawa K. Okano T, et al. J Biol Chem. 2008 Apr 25;283(17):11270-9. doi: 10.1074/jbc.M702971200. Epub 2007 Dec 14. J Biol Chem. 2008. PMID: 18083713 Free article.

6

Determination of plasma Vitamin K by high-performance liquid chromatography with fluorescence detection using Vitamin K analogs as internal standards.

Kamao M, Suhara Y, Tsugawa N, Okano T. Kamao M, et al. Among authors: okano t. J Chromatogr B Analyt Technol Biomed Life Sci. 2005 Feb 25;816(1-2):41-8. doi: 10.1016/j.jchromb.2004.11.003. J Chromatogr B Analyt Technol Biomed Life Sci. 2005. PMID: 15664332

7

Method for the determination of vitamin K homologues in human plasma using high-performance liquid chromatography-tandem mass spectrometry.

Suhara Y, Kamao M, Tsugawa N, Okano T. Suhara Y, et al. Among authors: okano t. Anal Chem. 2005 Feb 1;77(3):757-63. doi: 10.1021/ac0489667. Anal Chem. 2005. PMID: 15679341

8

22-Oxa-1alpha,25-dihydroxyvitamin D3 inhibits metastasis and angiogenesis in lung cancer.

Nakagawa K, Sasaki Y, Kato S, Kubodera N, Okano T. Nakagawa K, et al. Among authors: okano t. Carcinogenesis. 2005 Jun;26(6):1044-54. doi: 10.1093/carcin/bgi049. Epub 2005 Feb 17. Carcinogenesis. 2005. PMID: 15718253

9

Determination of 25-hydroxyvitamin D in human plasma using high-performance liquid chromatography--tandem mass spectrometry.

Tsugawa N, Suhara Y, Kamao M, Okano T. Tsugawa N, et al. Among authors: okano t. Anal Chem. 2005 May 1;77(9):3001-7. doi: 10.1021/ac048249c. Anal Chem. 2005. PMID: 15859623

10

Biological activities of 2alpha-substituted analogues of 1alpha,25-dihydroxyvitamin D3 in transcriptional regulation and human promyelocytic leukemia (HL-60) cell proliferation and differentiation.

Takahashi E, Nakagawa K, Suhara Y, Kittaka A, Nihei K, Konno K, Takayama H, Ozono K, Okano T. Takahashi E, et al. Among authors: okano t. Biol Pharm Bull. 2006 Nov;29(11):2246-50. doi: 10.1248/bpb.29.2246. Biol Pharm Bull. 2006. PMID: 17077522 Free article.

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