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Pathology General fa962de1

Which one of the following acts to increase the release of Ca" from endoplasmic reticulum?

A
Inositol triphosphate
B
Parathyroid hormone
C
1, 25-dihydroxy cholecalciferol
D
Diacylglycerol
High-Yield Explanation
Ans. is 'a' i.e., Inositol triphosphateo Inositol triphosphate (IP3) mobilises ca + from endoplasmic reticulum.o Diacylglycerol (DAG) enhances activation of protein kinase C by ca".

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