Abstract
The plethora of biological activities of 1,25(OH)2D3 and its analogs suggests an enormous potential for vitamin D therapy in the treatment of hyperproliferative diseases (cancer, psoriasis), endocrine dysfunction (hyperparathyroidism), immune disorders (autoimmune diseases, transplant rejection), bone disorders (osteoporosis, Paget's bone disease). However, the therapeutic limitation of 1,25(OH)2D3 is its calcemic and phosphatemic activities, since it can cause serious side effects such as hypercalcemia and hyperphosphatemia at super physiological levels. Therefore, numerous efforts have been made to find the new vitamin D analogs, that retain the therapeutically important properties of 1,25(OH)2D3 but with greater selectivity, which allows more effective intervention with fewer toxic side effects. This review will focus on the biological activities of the 2–substituted analogs of 1,25(OH)2D3. They were classified as 2α–, 2β–, 2,2–disubstituted analogs, and those with modifications in both the A–ring at the 2–position and the side chains. Their structure–activity relationships and binding features with the vitamin D receptor (VDR) were discussed.
Keywords: 1, 25(OH)2D3, 2–substituted vitamin D3, structure–activity relationships, VDR, HL–60 cell differentiation, transactivation, bone mineral density
Current Medicinal Chemistry
Title:Recent Developments of 2–Substituted Analogs of 1,25(OH)2D3
Volume: 20 Issue: 16
Author(s): Can–Fei Zhang and Zhao–Peng Liu
Affiliation:
Keywords: 1, 25(OH)2D3, 2–substituted vitamin D3, structure–activity relationships, VDR, HL–60 cell differentiation, transactivation, bone mineral density
Abstract: The plethora of biological activities of 1,25(OH)2D3 and its analogs suggests an enormous potential for vitamin D therapy in the treatment of hyperproliferative diseases (cancer, psoriasis), endocrine dysfunction (hyperparathyroidism), immune disorders (autoimmune diseases, transplant rejection), bone disorders (osteoporosis, Paget's bone disease). However, the therapeutic limitation of 1,25(OH)2D3 is its calcemic and phosphatemic activities, since it can cause serious side effects such as hypercalcemia and hyperphosphatemia at super physiological levels. Therefore, numerous efforts have been made to find the new vitamin D analogs, that retain the therapeutically important properties of 1,25(OH)2D3 but with greater selectivity, which allows more effective intervention with fewer toxic side effects. This review will focus on the biological activities of the 2–substituted analogs of 1,25(OH)2D3. They were classified as 2α–, 2β–, 2,2–disubstituted analogs, and those with modifications in both the A–ring at the 2–position and the side chains. Their structure–activity relationships and binding features with the vitamin D receptor (VDR) were discussed.
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Cite this article as:
Zhang Can–Fei and Liu Zhao–Peng, Recent Developments of 2–Substituted Analogs of 1,25(OH)2D3, Current Medicinal Chemistry 2013; 20 (16) . https://dx.doi.org/10.2174/0929867311320160003
DOI https://dx.doi.org/10.2174/0929867311320160003 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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