Indian Journal of Human Genetics
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ORIGINAL ARTICLE
Year : 2013  |  Volume : 19  |  Issue : 1  |  Page : 18-25

Investigation of cytocrom c oxidase gene subunits expression on the Multiple sclerosis


1 Department of Biology, Ahar Branch, IAU university, Ahar, Iran
2 Department of Biology, Ardabil Branch, IAU university, Ardabil, Iran

Correspondence Address:
Mohamad Zaefizadeh
Department of Biology, Ardabil Branch, IAU university, P.O. Box: 464 Ardabil
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-6866.112879

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Introduction: Multiple sclerosis (MS) is an autoimmune inflamatory disease, which affects the (Central Nervous System) and leads to the destruction of myelin and atrophy of the axons. Genetic factors, in addition to environmental ones, seem to play a role in MS. Numerous studies have reported mitochondrial defects including a reduction in cytochrome c oxidase (COX) complex function related to the reduction of mitochondrial genes expression in the cortex tissue of patients with MS have been reported. Materials and Methods: This study aimed to assess COX5B and COX2 genes expression in MS patients and compare it with normal subjects. We determine expression levels of genes COX5B and COX2, and also gene reference ß-actine using real-time polymerase chain reaction (RT-PCR) method. Data were obtained and obtained and standardized with the gene reference and were analyzed using independent sample t-test with SPSS and Excel programs. Result and Discussion: The resultshowed COX5B gene expression reduced signifi cant in MS patients compared to normal subjects (P < -0.05) whereas, there was no significant difference in the COX2 gene expression between normal subjects and patients. Thus, it can be claimed that down-regulation of mitochondrial electron transport chain genes supported the hypothesis that hypoxia-like tissue injury in MS may be due to mitochondrial genes, different expression impairment.


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