Clinical Characteristics of Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-Like Episodes
Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) syndrome, a maternally inherited mitochondrial disorder, is characterized by its genetic, biochemical and clinical complexity. The most common mutation associated with MELAS syndrome is the mtDNA A3243G mutation in th...
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oai:doaj.org-article:4bbf52664af84b848ff0ed78eccf13a02021-11-25T18:10:22ZClinical Characteristics of Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-Like Episodes10.3390/life111111112075-1729https://doaj.org/article/4bbf52664af84b848ff0ed78eccf13a02021-10-01T00:00:00Zhttps://www.mdpi.com/2075-1729/11/11/1111https://doaj.org/toc/2075-1729Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) syndrome, a maternally inherited mitochondrial disorder, is characterized by its genetic, biochemical and clinical complexity. The most common mutation associated with MELAS syndrome is the mtDNA A3243G mutation in the MT-TL1 gene encoding the mitochondrial tRNA-leu(UUR), which results in impaired mitochondrial translation and protein synthesis involving the mitochondrial electron transport chain complex subunits, leading to impaired mitochondrial energy production. Angiopathy, either alone or in combination with nitric oxide (NO) deficiency, further contributes to multi-organ involvement in MELAS syndrome. Management for MELAS syndrome is amostly symptomatic multidisciplinary approach. In this article, we review the clinical presentations, pathogenic mechanisms and options for management of MELAS syndrome.Hueng-Chuen FanHsiu-Fen LeeChen-Tang YueChing-Shiang ChiMDPI AGarticleMELASmitochondrial DNAgeneticsScienceQENLife, Vol 11, Iss 1111, p 1111 (2021) |
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MELAS mitochondrial DNA genetics Science Q |
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MELAS mitochondrial DNA genetics Science Q Hueng-Chuen Fan Hsiu-Fen Lee Chen-Tang Yue Ching-Shiang Chi Clinical Characteristics of Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-Like Episodes |
description |
Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) syndrome, a maternally inherited mitochondrial disorder, is characterized by its genetic, biochemical and clinical complexity. The most common mutation associated with MELAS syndrome is the mtDNA A3243G mutation in the MT-TL1 gene encoding the mitochondrial tRNA-leu(UUR), which results in impaired mitochondrial translation and protein synthesis involving the mitochondrial electron transport chain complex subunits, leading to impaired mitochondrial energy production. Angiopathy, either alone or in combination with nitric oxide (NO) deficiency, further contributes to multi-organ involvement in MELAS syndrome. Management for MELAS syndrome is amostly symptomatic multidisciplinary approach. In this article, we review the clinical presentations, pathogenic mechanisms and options for management of MELAS syndrome. |
format |
article |
author |
Hueng-Chuen Fan Hsiu-Fen Lee Chen-Tang Yue Ching-Shiang Chi |
author_facet |
Hueng-Chuen Fan Hsiu-Fen Lee Chen-Tang Yue Ching-Shiang Chi |
author_sort |
Hueng-Chuen Fan |
title |
Clinical Characteristics of Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-Like Episodes |
title_short |
Clinical Characteristics of Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-Like Episodes |
title_full |
Clinical Characteristics of Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-Like Episodes |
title_fullStr |
Clinical Characteristics of Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-Like Episodes |
title_full_unstemmed |
Clinical Characteristics of Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-Like Episodes |
title_sort |
clinical characteristics of mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/4bbf52664af84b848ff0ed78eccf13a0 |
work_keys_str_mv |
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_version_ |
1718411556845256704 |