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Cloning Stem Cells. 2005;7(3):183-8.

Mammalian oocyte therapies.

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1
Center for Cell Therapy and Tissue Repair, Prague, Czech Republic. fulka@vuzv.cz

Abstract

In assisted human reproduction, the cytoplasm of oocytes recovered from follicles is often abnormal. Its lower quality, especially in older patients, may be responsible for certain chromosomal abnormalities or developmental arrest. Thus, the deficiency of some vital molecules, which are necessary for oocyte maturation, can be the cause of infertility in women. Moreover, mutated mitochondrial DNA (mtDNA) that is located in the oocyte cytoplasm might be transmitted to offspring. With the advance of new micromanipulation techniques like the oocyte nucleus replacement or cytoplasmic transfer, some of these abnormalities could be theoretically eliminated. In this review, we briefly discuss some of these approaches and their potential use in assisted human reproduction.

PMID:
16176128
DOI:
10.1089/clo.2005.7.183
[Indexed for MEDLINE]
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