ArticleScientific reports2025
Spectrum of genetic mutations in methylmalonic aciduria among Iranian patients.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Methylmalonic aciduria (MMA) is described by high methylmalonic acid concentrations in the blood and urine. This condition can be isolated or in combination with homocystinuria. While variants in the MMUT, MMAA, MMAB, MMADHC and MCEE genes contribute to the pathogenesis of the isolated form, variants in MMACHC, MMADHC, LMBRD1, and ABCD4 genes, are responsible for diverse types of combined MMA and homocystinuria. In the current study, we report molecular tests of 15 Iranian patients who had mutations in MMA-related genes. Among the assessed patients, MMACHC gene was the most prevalently mutated gene (mutated in 7 patients). Each of MMAA, MMAB, and MMUT genes were mutated in 2 patients, respectively. Finally, we detected variants in each of ACSF3 and ABCD4 genes in one case, respectively. Among the identified variants, five variants were not reported before. Cumulatively, the current study provides some data about MMA-related variants among Iranian patients.
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