The DPPA2 Knockout HAP1 Polyclonal Cells represent a CRISPR/Cas9-edited polyclonal knockout cell population in which the DPPA2 (developmental pluripotency-associated 2) gene has been disrupted using targeted genome editing. This polyclonal format provides a heterogeneous pool of edited cells, enabling robust loss-of-function studies without reliance on a single clonal isolate. The product serves as a genetically defined model to dissect the roles of DPPA2 in pluripotency maintenance and early developmental processes.
The HAP1 host cell line is a near-haploid, male human chronic myeloid leukemia cell line derived from the KBM-7 isolate, bearing the BCR-ABL oncogenic fusion. HAP1 cells are extensively employed in haploid genetic screens and functional genomics owing to their near-haploid karyotype, which simplifies the identification of recessive mutations. This background allows efficient CRISPR/Cas9-mediated gene targeting and provides a physiologically relevant context for studying genes that may contribute to cancer biology, particularly those involved in self-renewal and differentiation programs.
DPPA2 is a pluripotency-associated nuclear factor that cooperates with OCT4, SOX2, and NANOG to sustain embryonic stem cell self-renewal and inhibit differentiation. It is regulated by these same factors and by FGF signaling, and it modulates expression of key pluripotency genes including NANOG, SOX2, and ZFP42. Mechanistically, DPPA2 interacts with the BAF (SWI/SNF) chromatin remodeling complex and with DPPA4 to maintain a self-renewal network while suppressing lineage commitment. Disruption of DPPA2 leads to derepression of differentiation programs and loss of stem cell identity.
In the HAP1 context, DPPA2 knockout provides a unique platform to interrogate pluripotency-associated pathways in a cell line that retains a primitive, progenitor-like state while being derived from a leukemic origin. The haploid nature of HAP1 cells facilitates unbiased genetic interaction screens, allowing researchers to systematically identify synthetic lethal partners or functional modifiers of DPPA2 signaling. Moreover, the knockout model can be used to explore how DPPA2 loss influences transcriptional programs, chromatin landscapes, and cellular responses to differentiation cues, thereby providing insights into both developmental biology and the aberrant re-activation of pluripotency networks in germ cell tumors or other malignancies.
This polyclonal knockout cell product supports a wide range of biochemical and functional assays. Western blotting and immunocytochemistry can validate DPPA2 depletion and monitor changes in OCT4, SOX2, and NANOG. RT-qPCR and RNA-seq enable global transcriptomic profiling, while flow cytometry and colony formation assays assess differentiation and proliferation. The haploid background makes it ideal for genetic screens uncovering regulators of the pluripotency network. For further technical information, please contact Ascent Research.
