The DIS3L Knockout HeLa Polyclonal Cells represent a CRISPR/Cas9-edited polyclonal knockout cell population in which the DIS3L gene has been disrupted to generate a loss-of-function model for studying RNA exosome-mediated surveillance and degradation. This polyclonal knockout pool provides a heterogeneous cell population with targeted disruption of DIS3L, enabling functional studies in a human cervical adenocarcinoma background. The product is intended for researchers investigating the molecular roles of DIS3L in RNA processing and homeostasis.
The host cell line, HeLa, is an HPV18-positive cervical adenocarcinoma cell line widely employed as a model system in cancer biology and molecular cell biology. Originally derived from a cervical tumor, HeLa cells offer a robust platform for examining gene function due to their well-characterized genome, ease of culture, and responsiveness to genetic manipulation. Their epithelial origin and tumorigenic properties make them particularly useful for exploring the intersection of RNA metabolism and cancer pathogenesis.
DIS3L encodes the catalytic subunit of the RNA exosome, exhibiting 3′-5′ exoribonuclease activity essential for the processing and degradation of diverse RNA substrates, including mRNA, rRNA, and non-coding RNAs. Within the exosome complex, DIS3L interacts with core subunits such as EXOSC2 and EXOSC3, and its activity is coordinated by cofactors including the SKIV2L2 (Mtr4) helicase, ZCCHC8, and the NEXT (nuclear exosome targeting) complex. DIS3L functions in key pathways like RNA degradation and surveillance, where it targets unstable mRNAs, non-coding RNAs, and rRNA precursors. Disruption of DIS3L leads to accumulation of exosome substrates, perturbing RNA homeostasis.
In the HeLa cellular context, abrogation of DIS3L activity provides a powerful model to dissect the consequences of impaired RNA decay on cancer cell biology. The accumulation of aberrant RNA species can trigger stress responses and affect processes such as cell proliferation and viability, which are highly relevant to cervical carcinoma. This knockout model allows for the systematic evaluation of RNA exosome function in a cancer-relevant setting, facilitating the identification of downstream targets and interacting factors that mediate DIS3L??s biological effects.
Researchers can utilize this polyclonal knockout cell population in a variety of experimental workflows, including RNA-seq to profile global transcriptomic changes, RNA stability assays to measure decay kinetics, and RT-qPCR or northern blotting to validate specific transcript alterations. Functional assays such as MTT or colony formation assays can assess proliferation, while flow cytometry and apoptosis assays provide insights into cell fate decisions. For further details and technical support, please contact Ascent Research.
