Volume 19, Issue 1 (1-2015)                   ibj 2015, 19(1): 23-28 | Back to browse issues page


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Ghaffari Novin M, Noruzinia M, Allahveisi A, Saremi A, Fadaei Fathabadi F, Mastery Farahani R, et al . Comparison of Mitochondrial-Related Transcriptional Levels of mitochondrial transcription factor A, Nuclear respiratory factor 1 and cytochrome c oxidase subunit 1 Genes in Single Human Oocytes at Various Stages of the Oocyte Maturation. ibj. 2015; 19 (1) :23-28
URL: http://ibj.pasteur.ac.ir/article-1-1295-en.html
Abstract:  
Background: The aim of the current study was to assess the mRNA levels of two mitochondria-related genes, including nuclear-encoded NRF1 (nuclear respiratory factor 1), mitochondrial transcription factor A (TFAM), and mitochondrial-encoded cytochrome c oxidase subunit 1 (MT-CO1) genes in various stages of the human oocyte maturation. Methods: Oocytes were obtained from nine infertile women with male factor undergoing in vitro fertilization (IVF)/intra-cytoplasmic sperm injection protocol. Mitochondrial-related mRNA levels were performed by single-cell TaqMan Real-time PCR. Results: the expression level of the target genes was low at the germinal vesicle stage (P>0.05). Although the mRNA level of NRF1 gene remained stable in metaphase I, the mRNA level of TFAM and MT-CO1 increased significantly (P<0.05).In metaphase II, the expression level of all genes increased compared to metaphase I (P<0.05). Conclusion: The overexpression levels of NRF1, TFAM, and MT-CO1 genes are related to the oocyte maturation. Therefore, the current study could be used clinically to improve the success rate of IVF.
Type of Study: Full Length | Subject: Related Fields

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