ECHDC1 Knockout Jurkat Polyclonal Cells are a CRISPR/Cas9-edited polyclonal knockout population with disruption of the ECHDC1 gene in Jurkat human T-cell leukemia cells. This genetically heterogeneous pool enables functional studies of ethylmalonyl-CoA decarboxylase in T lymphocytes. By ablating ECHDC1 expression, researchers can investigate metabolic consequences of losing this mitochondrial enzyme without clonal artifacts. The model is suited for examining roles in propionate metabolism, odd-chain fatty acid oxidation, and branched-chain amino acid catabolism in an immune context.
Jurkat cells, derived from acute T-cell leukemia, are a classic model for T-cell receptor signaling, activation, and apoptosis. They retain key T-cell features, including IL-2 production upon stimulation, making them valuable for dissecting TCR pathways. T-cell activation induces metabolic reprogramming, so Jurkat cells allow direct interrogation of how mitochondrial fatty acid and amino acid metabolism intersect with signaling.
ECHDC1 encodes a mitochondrial matrix enzyme that decarboxylates ethylmalonyl-CoA to butyryl-CoA, a critical step in odd-chain fatty acid oxidation and branched-chain amino acid catabolism. This reaction connects to propionyl-CoA carboxylase, methylmalonyl-CoA epimerase, and methylmalonyl-CoA mutase, ultimately generating succinyl-CoA for the TCA cycle. Upstream regulation involves PPARs and PGC-1??. Loss of ECHDC1 causes accumulation of ethylmalonic and methylmalonic acids, disrupting TCA intermediates and mitochondrial function, with interacting factors including mitochondrial enzymes and CoA derivatives.
In Jurkat T cells, ECHDC1 knockout allows exploration of how ethylmalonyl-CoA metabolism defects affect immune function. T-cell activation shifts metabolism toward glycolysis and oxidative phosphorylation; impaired odd-chain fatty acid and amino acid processing may compromise energy and biosynthesis. This model is relevant for metabolic vulnerabilities in T-cell leukemia and inherited disorders like ethylmalonic aciduria and methylmalonic acidemia, and it helps study mitochondrial enzyme deficiencies in T-cell survival and apoptosis.
Applications include mass spectrometry-based metabolomics for ethylmalonic and methylmalonic acid quantification, Seahorse flux analysis for mitochondrial respiration, and flow cytometry for activation markers. Further uses include investigating T-cell metabolic reprogramming, exploring synthetic lethal interactions in leukemia, and testing pathway modulators. The polyclonal population avoids clonal bias. Contact Ascent Research for more information.
