The IQCN Knockout HEK293T Polyclonal Cells are a CRISPR/Cas9-edited polyclonal knockout cell population designed for the functional study of the IQCN gene. This product provides a loss-of-function model generated through targeted disruption of IQCN in a heterogeneous pool of HEK293T cells, enabling researchers to investigate the gene’s role in calcium-dependent cytoskeletal regulation without clonal selection artifacts.
The HEK293T host cell line is a widely utilized derivative of the HEK293 human embryonic kidney cell line, engineered to stably express the SV40 large T antigen. This modification enhances episomal replication of plasmids containing the SV40 origin of replication, making HEK293T cells highly efficient for transient protein expression, viral production, and gene delivery applications. Their robust growth characteristics and high transfection efficiency render them a versatile platform for genetic manipulation and downstream functional assays.
IQCN encodes a calmodulin-binding IQ domain-containing protein that is proposed to function as a regulator of cytoskeletal dynamics through calcium-mediated signaling. The protein interacts directly with calmodulin in a calcium-dependent manner and is positioned within a pathway that includes upstream regulators calcium and calmodulin, as well as downstream effectors actin and myosin. Mechanistically, IQCN is thought to participate in calcium-triggered cytoskeletal reorganization, potentially influencing actin filament assembly or actomyosin contractility. Disruption of IQCN is therefore expected to perturb these calmodulin-dependent processes, offering a valuable tool to dissect its precise molecular contributions.
In the context of HEK293T cells, knockout of IQCN provides a controlled system to examine how loss of this calmodulin-binding protein affects actin dynamics and calcium signaling. HEK293T cells possess a well-characterized signaling repertoire and are amenable to a wide range of biochemical and imaging techniques, making them an ideal background for studying relatively uncharacterized genes such as IQCN. The polyclonal nature of the knockout population avoids potential clonal variation while still enabling robust detection of phenotype, particularly when combined with appropriate controls.
This knockout model is well-suited for a variety of research applications, including the functional characterization of IQCN, proteomic interaction screening to identify novel binding partners, and detailed calcium signaling studies. Researchers can validate the knockout status using Sanger sequencing, confirm loss of protein expression via Western blotting, and assess transcriptional changes by RT-qPCR. Cellular phenotyping can be performed through immunofluorescence to visualize cytoskeletal alterations, while functional assays such as calcium flux measurements and co-immunoprecipitation can probe the protein’s role in dynamic signaling networks. For further technical information, please contact Ascent Research.
