The ABCA12 Knockout HeLa Polyclonal Cells represent a CRISPR/Cas9-edited polyclonal knockout cell population generated from the HeLa cervical adenocarcinoma epithelial cell line. This product provides a loss-of-function model for the human ABCA12 gene through targeted disruption without single-cell cloning, yielding a heterogeneous pool of edited alleles. The polyclonal format minimizes clonal artifacts and offers robust population-level analyses, suitable for studying ABCA12 function in a non-epidermal cellular context.
Host HeLa cells are an HPV18-positive human cervical adenocarcinoma line, originally isolated from Henrietta Lacks in 1951. As immortalized epithelial cells, HeLa are widely employed in cancer biology, cell signaling, and drug discovery due to their robust growth and ease of transfection. This well-characterized background facilitates reproducible genetic manipulation and enables integration of ABCA12 knockout into existing experimental workflows exploring cervical epithelial biology.
ABCA12 encodes an ATP-binding cassette transporter that mediates ATP-dependent transport of glucosylceramides into lamellar bodies, an essential step for epidermal barrier formation and keratinocyte differentiation. ABCA12 is transcriptionally regulated by TP63, peroxisome proliferator-activated receptors (PPARs), and retinoid X receptors (RXRs). It functionally interacts with glucosylceramide synthase (UGCG) and ABCA1. Downstream, ABCA12 activity promotes extracellular lipid barrier assembly, cornified envelope formation, and lamellar body secretion, influencing ceramide levels and structural proteins such as transglutaminase 1 (TGM1), involucrin, loricrin, and filaggrin. Disruption of ABCA12 impairs lamellar body formation, leading to defective lipid barrier, abnormal keratinocyte differentiation, and harlequin ichthyosis, a severe autosomal recessive congenital ichthyosis.
While ABCA12??s role is classically defined in keratinocytes, its expression in other epithelia suggests broader functions. The HeLa knockout model enables dissection of ABCA12-dependent lipid transport mechanisms independent of epidermal differentiation programs, providing a unique platform to investigate its potential involvement in cervical adenocarcinoma biology or fundamental lipid trafficking processes. This context may reveal novel interactors or regulatory pathways obscured in keratinocyte-based systems.
Research applications encompass studying ABCA12 lipid transporter function, screening for pharmacological chaperones or correctors for ichthyosis, and investigating ABCA12 in non-epidermal contexts. This polyclonal knockout population is compatible with lipidomics analysis via LC-MS, immunofluorescence for lamellar body markers, western blotting, RT-qPCR for downstream gene expression, flow cytometry for lipid uptake, and ceramide transport assays. For further technical specifications or to explore custom applications, please contact Ascent Research.
