The HSPB6 Knockout HeLa Polyclonal Cells represent a CRISPR/Cas9-edited polyclonal knockout population designed for loss-of-function analysis of the HSPB6 gene in a human cervical carcinoma background. This product comprises a heterogeneous pool of HeLa cells carrying targeted disruptions in the HSPB6 locus, enabling robust investigation of HSPB6-dependent cellular processes without clonal selection artifacts.
HeLa cells are an immortalized epithelial line derived from a human cervical adenocarcinoma and are positive for human papillomavirus 18 (HPV18). They serve as a widely used model in cancer biology, drug discovery, and signal transduction research, offering ease of culture, consistent growth kinetics, and extensive molecular characterization.
HSPB6 encodes a small heat shock protein that functions as a molecular chaperone and mediates cardioprotective signaling. Upon phosphorylation by cAMP-dependent protein kinase (PKA) or cGMP-dependent protein kinase (PKG), HSPB6 regulates actin cytoskeleton dynamics by modulating cofilin (CFL1) activity and interacts with beta-actin (ACTB) and 14-3-3 proteins (YWHAB). Additionally, HSPB6 exerts anti-apoptotic effects by sequestering the pro-apoptotic protein BAD, thereby inhibiting caspase-3 activation, and collaborates with co-chaperones like BAG3 to maintain proteostasis.
In the HeLa host cell context, which is characterized by altered apoptosis regulation and cytoskeletal remodeling driven by HPV oncoproteins, disruption of HSPB6 provides a valuable tool to dissect its role in cell survival, migration, and actin organization. The knockout model is particularly relevant for studying molecular mechanisms underlying cancer progression, resistance to apoptosis, and the cellular responses to vasoactive and cardioprotective stimuli, as well as for validating HSPB6 as a target in heart failure and myocardial ischemia research.
Researchers can employ this polyclonal knockout cell population in diverse assays such as western blotting for HSPB6 and phospho-HSPB6, immunofluorescence visualization of the actin cytoskeleton, TUNEL and caspase-3 activity apoptosis assays, co-immunoprecipitation of 14-3-3 complexes, and cAMP/PKA activity measurements. These applications support investigations into cardioprotective mechanisms, actin dynamics, apoptosis regulation, and drug screening for cardiovascular and oncological indications. For further details on product specifications and validation, please contact Ascent Research.