Anti-Phospho-PKC alpha-T638 Rabbit mAb for WB, ELISA - P17252

Core Product Specifications and Parameters

Biological Background: PKC alpha Function and Localization

• Protein kinase C alpha type (PKCα) is a calcium-activated, phospholipid- and diacylglycerol (DAG)-dependent serine/threonine-protein kinase that regulates diverse cellular processes including proliferation, apoptosis, differentiation, migration, adhesion, and angiogenesis.
• PKCα operates in both positive and negative regulation of cell cycle progression; it can promote growth via RAF1/MAPK/ERK signaling or induce cell cycle arrest through RB1 hyperphosphorylation and CDK inhibitor induction (CDKN1A, CDKN1B).
• The kinase exhibits anti-apoptotic functions in cancer cells by suppressing p53/TP53-mediated IGFBP3 activation and phosphorylating BCL2, thereby contributing to tumor promotion in gliomas and breast cancers.
• PKCα plays a critical role in cardiovascular biology: it negatively regulates myocardial contractility, drives cardiomyocyte hypertrophy via ERK1/2 signaling, and promotes angiogenesis by enhancing endothelial cell migration and VEGFA-induced proliferation.
• In platelet function, PKCα mediates CD36/GP4-dependent granule release and integrin ITGA2B-ITGB3 activation through the RAP1GAP pathway, contributing to thrombus formation.
• The kinase is involved in immune responses, including macrophage differentiation and chemokine-induced T cell migration; it phosphorylates DOCK8 to regulate CDC42 activation. Related references: PMID:28028151
• Subcellular localization of PKCα is dynamic: it is found in the cytoplasm, cell membrane, mitochondrial membrane, and nucleus, depending on activation status and stimuli.
• PKCα phosphorylates a wide array of substrates, including TNNT2/CTNT (regulating cardiac contractility), KLHL3 (modulating WNK4 stability in response to angiotensin II), and LRRK1 (involved in intracellular trafficking). Related references: PMID:25313067 PMID:36040231

Experimental Guidance and Technical Tips

• The immunogen is a synthetic phosphopeptide spanning Thr638 of human PKCα; antibody specificity for the phosphorylated form should be validated by comparing signals in phosphatase-treated versus untreated samples.
• For Western blot, consider using low percentage SDS-PAGE gels to resolve the 77 kDa protein, and include appropriate loading controls alongside non‑phospho‑specific PKCα antibodies to assess total protein levels.
• In ELISA applications, investigate coating antigen concentrations and blocking conditions empirically; a phosphopeptide competition assay may help confirm phospho‑specific binding.
• Because PKCα activation is transient and stimulus‑dependent, optimize cell stimulation protocols (e.g., PMA, growth factors) and ensure timely sample preparation with phosphatase inhibitors.

CamelBio: Your One-Stop Sourcing Bridge

CamelBio is a dedicated one-stop IVD raw‑material sourcing partner, supporting diagnostic manufacturers, laboratories, and research institutes with validated antibody pairs, bulk ancillary reagents, and rare‑target custom development. This anti‑phospho‑PKCα‑T638 antibody addresses a key node in oncology, cardiovascular, and inflammation signal transduction research. We streamline procurement from concept to clinic, offering reliable monoclonal antibodies and tailored raw‑material solutions for high‑sensitivity assay development.