The ECHDC1 Knockout HEK293T Polyclonal Cells constitute a CRISPR/Cas9-engineered polyclonal knockout cell population derived from the widely used HEK293T human embryonic kidney cell line. This product delivers a heterogeneous pool of cells harboring targeted disruptions within the ECHDC1 gene, enabling robust loss-of-function studies without requiring clonal isolation. The polyclonal format preserves biological variability and facilitates the investigation of ECHDC1??s role across a diverse genetic background, offering a practical model system for high-throughput functional assays.
HEK293T is a highly transfectable, immortalized cell line that stably expresses the SV40 large T antigen, allowing episomal replication of plasmids containing the SV40 origin of replication. This property makes HEK293T a preferred host for recombinant protein expression, viral packaging (e.g., lentivirus, retrovirus), and CRISPR-based genome editing. The cell line??s embryonic kidney origin and rapid doubling time under standard culture conditions further contribute to its popularity in both fundamental and applied biomedical research.
ECHDC1 encodes a mitochondrial enzyme that catalyzes the decarboxylation of ethylmalonyl-CoA to butyryl-CoA, a key step in the metabolism of ethylmalonic acid derived from odd-chain fatty acids and branched-chain amino acids. This reaction feeds butyryl-CoA into the acetyl-CoA pool and TCA cycle, supporting ketogenesis and energy production. ECHDC1 activity is transcriptionally regulated by PPAR-??, a nuclear receptor activated during fasting, and is also under the control of AMPK signaling, which senses cellular energy status. The enzyme physically interacts with electron transfer flavoprotein (ETF) and ETF:ubiquinone oxidoreductase, connecting it to the mitochondrial electron transport chain, and associates with the mitochondrial trifunctional protein complex. Knockout of ECHDC1 disrupts this metabolic node, likely leading to accumulation of ethylmalonic acid and altered mitochondrial respiratory capacity.
In the context of HEK293T cells, which retain functional mitochondrial fatty acid oxidation pathways despite their transformed nature, ECHDC1 knockout provides a valuable platform to dissect metabolic dependencies. The polyclonal knockout population permits the assessment of how loss of ECHDC1 affects key metabolic parameters, such as oxygen consumption rate and fatty acid oxidation flux, without confounding clonal effects. This model is especially relevant for exploring metabolic reprogramming in cancers, as many tumors rewire lipid metabolism to support proliferation and survival. The HEK293T background??s ease of transfection also enables subsequent rescue experiments with wild-type or mutant ECHDC1 constructs.
This cell model is suitable for a broad array of experimental applications, including detailed biochemical characterization of the ethylmalonic aciduria disease pathway, metabolic flux analysis using LC-MS or Seahorse technology, and screening of small molecules that target fatty acid metabolism. Standard assays such as western blotting and RT-qPCR can confirm ECHDC1 disruption, while functional tests like the mitochondrial stress test and cell viability assays reveal downstream phenotypic consequences. For technical support and additional information regarding this knockout product, please contact Ascent Research.
