1a,25-(OH)2D3 Regulates 25-Hydroxyvitamin D3 24R-Hydroxylase Activity in Growth Zone Costochondral Growth Plate Chondrocytes via Protein Kinase C
✍ Scribed by Z. Schwartz; H.A. Pedrozo; V.L. Sylvia; R. Gomez; D.D. Dean; B.D. Boyan
- Book ID
- 105912831
- Publisher
- Springer
- Year
- 2001
- Tongue
- English
- Weight
- 370 KB
- Volume
- 69
- Category
- Article
- ISSN
- 1432-0827
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## Abstract Phospholipase A~2~ (PLA~2~) is pivotal in the rapid membrane‐mediated actions of 1,25‐dihydroxyvitamin D3 [1α,25(OH)~2~D~3~]. Microarray analysis indicated that PLA~2~ activating protein (PLAA) mRNA is upregulated 6‐fold before rat growth plate cells exhibit 1α,25(OH)~2~D~3~‐dependent p
Recent studies have shown that 24R,25-(OH) 2 D 3 mediates its effects on growth plate chondrocytes via membrane receptors. This study examined the roles of phospholipase A 2 (PLA 2 ) and cyclooxygenase (Cox) in the mechanism of action of 24R,25-(OH) 2 D 3 in resting zone chondrocytes in order to det