PKCδ is one of the novel isoforms of the Protein Kinase C (PKC) family, involved in regulating various cellular processes.
It participates in diverse signaling pathways influencing cell proliferation, differentiation, survival, apoptosis, and migration.
In some cancers, PKCδ is upregulated and associated with higher tumor aggressiveness, particularly when it contributes to pathways that promote cell survival and invasion.
Conversely, in other contexts, PKCδ has been reported to act as a tumor suppressor where its activation can promote apoptosis or inhibit cell proliferation.
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