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http://dspace.mediu.edu.my:8181/xmlui/handle/123456789/5175| Title: | Novel Missense Mitochondrial ND4L Gene Mutations in Friedreich's Ataxia |
| Keywords: | Friedreich's ataxia (FRDA) mtDNA Mutation ND4L gene |
| Issue Date: | 30-May-2013 |
| Publisher: | Mashhad University of Medical Sciences |
| Description: | AbstractObjective(s)The mitochondrial defects in Friedreich's ataxia have been reported in many researches. Mitochondrial DNA is one of the candidates for defects in mitochondrion, and complex I is the first and one of the largest catalytic complexes of oxidative phosphorylation (OXPHOS) system. Materials and MethodsWe searched the mitochondrial ND4L gene for mutations by TTGE and sequencing on 30 FRDA patients and 35 healthy controls.ResultsWe found 3 missense mutations [m.10506A>G (T13A), m.10530G>A (V21M), and m.10653G>A (A62T)] in four patients whose m.10530G>A and m.10653G>A were not reported previously. In two patients, heteroplasmic m.10530G>A mutation was detected. They showed a very early ataxia syndrome. Our results showed that the number of mutations in FRDA patients was higher than that in the control cases (P= 0.0287).ConclusionAlthough this disease is due to nuclear gene mutation, the presence of these mutations might be responsible for further mitochondrial defects and the increase of the gravity of the disease. Thus, it should be considered in patients with this disorder. |
| URI: | http://koha.mediu.edu.my:8181/jspui/handle/123456789/5175 |
| Other Identifiers: | http://www.mums.ac.ir/shares/basic_medical/basicmedjou/2011/may/a4.pdf http://www.doaj.org/doaj?func=openurl&genre=article&issn=20083866&date=2011&volume=14&issue=50&spage= |
| Appears in Collections: | Health Sciences |
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