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Synthesis of 2?-heteroarylalkyl active vitamin d3 with therapeutic effect on enhancing bone mineral density in vivo.


ABSTRACT: 2?-Heteroarylethyl-1?,25-dihydroxyvitamin D3 analogues, which were designed to form a hydrogen bond between Arg274 of human vitamin D receptor (hVDR) and a nitrogen atom of the heteroaromatic ring at the 2?-position, were synthesized. Among them, 2?-[2-(tetrazol-2-yl)ethyl]-1?,25-dihydroxyvitamin D3 showed higher osteocalcin promoter transactivation activity in human osteosarcoma (HOS) cells and a greater therapeutic effect in ovariectomized (OVX) rats, osteoporosis model animals, on enhancing bone mineral density than those of active vitamin D3. X-ray cocrystallographic analysis of the hVDR-ligand complex confirms that the new hydrogen bond formation stabilized the complex.

SUBMITTER: Matsuo M 

PROVIDER: S-EPMC4027143 | biostudies-literature | 2013 Jul

REPOSITORIES: biostudies-literature

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Synthesis of 2α-heteroarylalkyl active vitamin d3 with therapeutic effect on enhancing bone mineral density in vivo.

Matsuo Miki M   Hasegawa Asami A   Takano Masashi M   Saito Hiroshi H   Kakuda Shinji S   Chida Takayuki T   Takagi Ken-Ichiro K   Ochiai Eiji E   Horie Kyohei K   Harada Yoshifumi Y   Takimoto-Kamimura Midori M   Takenouchi Kazuya K   Sawada Daisuke D   Kittaka Atsushi A  

ACS medicinal chemistry letters 20130528 7


2α-Heteroarylethyl-1α,25-dihydroxyvitamin D3 analogues, which were designed to form a hydrogen bond between Arg274 of human vitamin D receptor (hVDR) and a nitrogen atom of the heteroaromatic ring at the 2α-position, were synthesized. Among them, 2α-[2-(tetrazol-2-yl)ethyl]-1α,25-dihydroxyvitamin D3 showed higher osteocalcin promoter transactivation activity in human osteosarcoma (HOS) cells and a greater therapeutic effect in ovariectomized (OVX) rats, osteoporosis model animals, on enhancing b  ...[more]

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