UV rays from sun act on skin, convert Cholecalciferol (CC) --> 25 Hydroxy CC in liver --> 1,25 Di Hydroxy CC in kidney.
So there are two hydroxylation reactions, first in Liver, second in Kidney. Remember this: You have 1 liver, 2 kidneys; So hydroxylation 1st reaction in your 1 liver and 2nd hydroxylation in 2 kidneys.
No comments:
Post a Comment