The JRK Knockout HEK293T Polyclonal Cells are a CRISPR/Cas9-edited polyclonal knockout cell population targeting the JRK gene in HEK293T cells. This product serves as a robust loss-of-function model for studying JRK, a DNA-binding transcription factor of the Jrk/Helios family. The polyclonal format, generated by CRISPR/Cas9-mediated gene disruption, provides a heterogeneous pool of knockout cells that facilitates reproducible functional assays without clonal selection. This population is ideal for bulk analyses where consistent gene disruption across a cell pool enhances statistical power.
HEK293T cells are a human embryonic kidney cell line transformed with adenovirus 5 DNA and stably expressing the SV40 large T antigen. Renowned for their high transfectability, these cells are extensively used for recombinant protein expression and viral vector production. Their robust growth and adaptability to various culture formats make HEK293T an optimal host for generating knockout models. The introduction of CRISPR/Cas9-mediated JRK disruption in this well-characterized background ensures a versatile platform for downstream functional studies.
JRK encodes a transcription factor that binds DNA and is predicted to regulate gene expression during neuronal development and function. As a Jrk/Helios family member, JRK likely interacts with transcriptional co-regulators to control target gene networks. While its direct partners and downstream effectors are not fully defined, JRK is implicated in neurodevelopmental signaling and disorders such as epilepsy. Disruption of JRK function in this model permits investigation of its regulatory roles in a simplified mammalian system, facilitating the dissection of transcriptional mechanisms relevant to neuronal pathologies.
In the HEK293T context, JRK knockout enables detailed mechanistic studies independent of neuronal-specific inputs. Although these cells are non-neural, they support exogenous reporter systems and can be co-transfected with neuronal factors to reconstruct JRK-dependent pathways. This model is particularly valuable for performing dual-luciferase reporter assays, ChIP-seq, and transcriptomic analyses to identify JRK target genes and interacting proteins. The high transfection efficiency of HEK293T further allows for rapid screening of JRK mutants or modulators, accelerating structure-function relationship studies.
Key applications of this product include functional genomics, epigenetic profiling, and drug discovery targeting JRK-mediated transcription. Researchers can employ RNA-seq and RT-qPCR to map transcriptional changes, western blotting to assess protein levels, and immunofluorescence to examine subcellular localization of JRK-interacting factors. These cells are also suited for high-throughput chemical library screening to identify modulators of epilepsy-related pathways. For customized models or technical assistance, please contact Ascent Research.