Article
Expanding the Phenotype of TUFM -Related Combined Oxidative Phosphorylation Deficiency 4.
American journal of medical genetics. Part A - 1 Aug 2026
Villeneuve-Cloutier Noémie, Warman-Chardon Jodi, Bourque Danielle K
Abstract excerpt
Combined oxidative phosphorylation deficiency 4 (COXPD4) is a rare mitochondrial condition caused by biallelic deleterious variants in the nuclear-encoded gene TUFM. To date, most individuals with COXPD4 have presented with encephalopathy, hypotonia, and abnormal brain imaging. Many of the reported individuals died in infancy. We aim to expand the clinical and biochemical phenotype of COXPD4 by reporting on an...
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