1,25-Dihydroxyvitamin D₃[1,25-(OH)₂D₃] Increases Insulin-Like Growth Factor I (IGF-I) Receptors in Clonal Osteoblastic Cells. Study on Interaction of IGF-I and 1,25-(OH)₂D₃*

Hirofumi Kurose, Shintaro Okada, Shigeo Nakajima, +1

Endocrinology

The stereochemical configuration of the natural 1α,25-dihydroxyvitamin D3-26,23-lactone

Seiichi Ishizuka, Jun‐ichi Oshida, Hideki Tsuruta, +1

Archives of Biochemistry and Biophysics

Medicinal ChemistryBioorganic ChemistryBiochemistryNatural SciencesStereochemical Configuration +5

The difference of biological activity among four diastereoisomers of 1α,25-dihydroxycholecalciferol-26,23-lactone

Seiichi Ishizuka, Anthony W. Norman

Journal of Steroid Biochemistry

Biological ActivityBioorganic ChemistryBiochemistryNatural SciencesChemical Biology +3

1α,25-DihydroxyvitaminD₃[1α,25-(OH)2D₃]-26,23 Lactone Inhibits 1,25-(OH)2D₃-Mediated Fusion of Mouse Bone Marrow Mononuclear Cells

Seiichi Ishizuka, Noriyoshi Kurihara, SHIGEYASU HAKEDA, +4

Endocrinology

The unique action for bone metabolism of 1α,25-(OH)2D3-26,23-lactone

Mamoru Kiyoki, Noriyoshi Kurihara, Seiichi Ishizuka, +4

Biochemical and Biophysical Research Communications

Unique ActionBiochemistryBone HomeostasisMetabolismMedicine +2

23(S),25(R)-l,25-DihydroxyvitaminD3-26,23-Lactone Stimulates Murine Bone Formation<i>in Vivo</i>

Masaaki Shima, Hiroyuki Tanaka, Anthony W. Norman, +4

Endocrinology