{"id":1861,"date":"2023-06-15T12:17:17","date_gmt":"2023-06-15T12:17:17","guid":{"rendered":"https:\/\/blogs.bmj.com\/jmg\/?p=1861"},"modified":"2026-02-23T00:10:21","modified_gmt":"2026-02-23T00:10:21","slug":"evaluation-of-the-clinical-biochemical-genotype-and-prognosis-of-mut-type-methylmalonic-acidemia-in-365-chinese-cases","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jmg\/2023\/06\/15\/evaluation-of-the-clinical-biochemical-genotype-and-prognosis-of-mut-type-methylmalonic-acidemia-in-365-chinese-cases\/","title":{"rendered":"Evaluation of the clinical, biochemical, genotype and prognosis of mut-type methylmalonic acidemia in 365 Chinese cases (Contributed by Drs. Lili Liang and Lianshu Han)"},"content":{"rendered":"<p>Methylmalonic academia is the most common inherited organic acid metabolic disease in China, which is usually considered to have a poor prognosis. We recruited a large cohort of 365 mut-type MMA patients, investigated their phenotype and genotype. Participation in tandem mass spectrometry expanded newborn screening, vitamin B12 responsive and late onset are favorable factors for the prognosis. Patients carrying the c.1663G&gt;A variation had a milder clinical phenotype. MS\/MS expanded NBS facilitates early diagnosis and treatment for the disease, which should be promoted further. (<a href=\"https:\/\/jmg.bmj.com\/content\/early\/2023\/06\/13\/jmg-2022-108682\">https:\/\/jmg.bmj.com\/content\/early\/2023\/06\/13\/jmg-2022-108682<\/a> )<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Methylmalonic academia is the most common inherited organic acid metabolic disease in China, which is usually considered to have a poor prognosis. We recruited a large cohort of 365 mut-type MMA patients, investigated their phenotype and genotype. Participation in tandem mass spectrometry expanded newborn screening, vitamin B12 responsive and late onset are favorable factors for [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jmg\/2023\/06\/15\/evaluation-of-the-clinical-biochemical-genotype-and-prognosis-of-mut-type-methylmalonic-acidemia-in-365-chinese-cases\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":123,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1861","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Evaluation of the clinical, biochemical, genotype and prognosis of mut-type methylmalonic acidemia in 365 Chinese cases (Contributed by Drs. Lili Liang and Lianshu Han) - JMG Contact blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.bmj.com\/jmg\/2023\/06\/15\/evaluation-of-the-clinical-biochemical-genotype-and-prognosis-of-mut-type-methylmalonic-acidemia-in-365-chinese-cases\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Evaluation of the clinical, biochemical, genotype and prognosis of mut-type methylmalonic acidemia in 365 Chinese cases (Contributed by Drs. Lili Liang and Lianshu Han) - JMG Contact blog\" \/>\n<meta property=\"og:description\" content=\"Methylmalonic academia is the most common inherited organic acid metabolic disease in China, which is usually considered to have a poor prognosis. We recruited a large cohort of 365 mut-type MMA patients, investigated their phenotype and genotype. 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