CaMKII, short for Calcium/Calmodulin-dependent Protein Kinase II, is not a single protein but rather a family of related enzymes composed of several isoforms.
Breakdown:
CaMKII Isoforms:4 genes encoding the major isoforms: α(alpha), β(beta), γ(gamma), and δ(delta).
CaMKIIα and CaMKIIβ are abundant in neuronal tissue, while CaMKIIδ is more prevalent in the heart and other non-neuronal tissues.
-Overexpression or hyperactivation of CaMKII has been linked in some studies to enhanced cell cycle progression and resistance to apoptosis, both of which are features of more aggressive tumors.
-In some cancers, upregulation or increased activity of CaMKII has been associated with poor clinical outcomes, including lower overall survival or higher recurrence rates.
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