signal transduction

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Hormone action and signal transduction

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  • 1. HORMONE ACTION ANDSIGNAL TRANSDUCTIONBYDR. MANISHAResident MD Biochem

2. MECHANISM OF GROUP 1 HORMONEACTION 3. INFORMATIONPATHWAY 4. G PROTEIN COUPLE RECEPTORS 5. cAMP AS SECOND MESSENGER 6. PHOSPHODIESTERASEActions of cAMP terminated in a number ofways including phosphodiesterase.PDEs are subject to regulation by1. their substrates : cAMP and cGMP2. intracellular messengers like Ca2+3.hormones 7. cGMP AS SECOND MESSENGER 8. IP 3 AND Ca2+ AS SECOND MESSENGER 9. RECEPTORS WITH INTRINSIC TYROSINEKINASE ACTIVITY 10. RECEPTORS ASSOCIATED WITHPROTEINS HAVING TYROSINE KINASEACTIVITY 11. NF- IS REGULATED BY GLUCOCORTICOIDS 12. NUCLEAR RECEPTOR SUPERFAMILY 13. ReferencesHarper's Illustrated BiochemistryLehninger Principles of Biochemistry