Question

16.Name the secretions of mast cells and state their functions.​

Answer 1

Answer:

Enzyme Function

Lyn tyrosine kinase Phosphorylates the ITAMs in the FcεR1 β and γ chain in the cytoplasm. It causes Syk tyrosine kinase to get recruited to the ITAMS located on the γ chains. This causes activation of the Syk tyrosine kinase, causing it to phosphorylate

Syk tyrosine kinase Targets multiple proteins and causes their activation

Phospholipase C Catalyzes phosphatidylinositol 4,5-bisphosphate

Inositol trisphosphate Elevates calcium levels

Diacylglycerol Activates protein kinase C

FYN Phosphorylates GAB2

GAB2 Binds to phosphoinositide 3-kinase

Phosphoinositide 3-kinase Activates protein kinase C

Protein kinase C Activates myosin light-chain phosphorylation granule movements that disassemble the actin-myosin complexes

Rab-associated kinases and phosphatases Regulate cell granule membrane fusion in resting mast cells

Answer 2

Answer:

this are the secretions of mast cells

Explanation:

and their funtions are