The DYNLL2 Knockout HeLa Polyclonal Cells represent a CRISPR/Cas9-mediated gene disruption model in which the DYNLL2 (dynein light chain LC8-type 2) locus has been disrupted to generate a polyclonal loss-of-function population. This product provides a genetically heterogeneous pool of knockout cells, enabling robust interrogation of DYNLL2 function without the clonal artifacts associated with single-cell-derived lines.
HeLa cells are an immortalized human epithelial cell line derived from a cervical adenocarcinoma and are positive for human papillomavirus 18 (HPV18). These cells are widely utilized in cancer research, intracellular trafficking studies, and signaling pathway analysis due to their robust growth and well-characterized molecular landscape.
DYNLL2 functions as a subunit of the cytoplasmic dynein motor complex, directly interacting with dynein intermediate chain (DYNC1I) and the dynactin complex to facilitate minus-end-directed transport along microtubules. Beyond its canonical role in retrograde transport, DYNLL2 operates as a protein interaction hub, binding a wide array of targets including the pro-apoptotic factor BCL2L11 (BIM), the NF-??B inhibitor alpha (NFKBIA), and the tumor suppressor TP53. Through these interactions, DYNLL2 influences apoptosis regulation, mitotic spindle organization, ciliogenesis, and NF-??B signaling pathway dynamics.
In the context of HeLa cells, disruption of DYNLL2 expression yields a model to examine how loss of this dynein light chain influences intracellular trafficking, mitotic fidelity, and signal transduction. Given that HeLa cells harbor HPV18 oncoproteins that inactivate p53 and retinoblastoma pathways, the interaction of DYNLL2 with TP53 and its regulation of the NF-??B inhibitor alpha (NFKBIA) place DYNLL2 at a critical node in pathways governing proliferation and apoptosis. This polyclonal knockout population thus provides a tool to decipher DYNLL2-dependent mechanisms that may be co-opted in cervical adenocarcinoma cell biology.
Researchers can employ these polyclonal DYNLL2 knockout HeLa cells in a variety of functional assays, including live-cell imaging of retrograde organelle transport, co-immunoprecipitation to map altered protein interaction networks, and immunofluorescence microscopy to assess mitotic spindle organization. Additionally, these cells are suited for apoptosis assays (Annexin V/PI staining) and NF-??B reporter assays to investigate how DYNLL2 modulates cell death and inflammatory signaling. Cell cycle analysis by flow cytometry and RT-qPCR quantification of downstream targets such as BCL2L11 and NFKBIA further enable dissection of the molecular consequences of DYNLL2 disruption. The polyclonal format mitigates clonal selection effects, providing a more physiologically representative loss-of-function model. For further details or to discuss custom applications, please contact Ascent Research.
