The DMRTB1 Knockout HAP1 Polyclonal Cells represent a CRISPR/Cas9-edited polyclonal knockout cell population designed to disrupt the DMRTB1 gene in the HAP1 cell line. This product provides a heterogeneous pool of cells carrying targeted gene disruptions introduced by CRISPR/Cas9-mediated genome editing, enabling loss-of-function studies without clonal selection. The polyclonal format captures the cellular diversity arising from independent editing events, making it suitable for pooled functional screens and robust phenotypic analyses.
The HAP1 host cell line is a near-haploid human cell line derived from the KBM-7 chronic myeloid leukemia line. Its haploid karyotype simplifies genetic manipulation and phenotypic interpretation, as single-copy gene disruption eliminates functional redundancy. HAP1 cells are widely employed in haploid genetic screening, functional genomics, and drug target validation due to their ease of culture and amenability to high-throughput assays. This genetic tractability makes HAP1 an ideal platform for exploring gene function in a clean genetic background.
DMRTB1 encodes a putative testis-specific transcription factor containing double zinc finger domains, implicated in the transcriptional regulation of germ cell differentiation and spermatogenesis. It functions downstream of key spermatogenic regulators including SOX9, DMRT1, and NR5A1, and it transcriptionally modulates downstream target genes such as PRM1, TNP1, and SYCP3. DMRTB1 also interacts with the related factor DMRT1 and transcriptional co-regulators to coordinate gene expression programs essential for male germ cell development. Knockout of DMRTB1 in HAP1 cells ablates this regulatory node, disrupting the spermatogenesis gene network.
In the HAP1 context, DMRTB1 knockout creates a defined loss-of-function model to dissect the transcription factor’s role in germ cell biology. The haploid nature of HAP1 ensures that any phenotypic consequences of DMRTB1 disruption are unmasked without compensatory allele effects. This model is particularly relevant for studying mechanisms underlying male infertility and testicular germ cell tumors, where dysregulation of germ cell transcriptional programs is implicated. Researchers can employ this knockout to interrogate DMRTB1-dependent pathways and identify genetic interactions.
This knockout cell product is ideally suited for applications in functional genomics, drug target discovery, CRISPR validation, and transcriptional regulation studies. Typical experimental approaches include RNA-seq to profile transcriptome changes, ChIP-qPCR to assess transcription factor binding, and reporter assays to measure gene regulatory activity. Additional applications encompass Western blotting, RT-qPCR, immunofluorescence, co-immunoprecipitation, and apoptosis assays. For further details or technical support, please contact Ascent Research.
