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Free Content Cryopreservation of the Human Ovarian Tissue Induces the Expression of Fas System in Morphologically Normal Primordial Follicles

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The aim of this study was to investigate whether the Fas system was involved in cryopreservation process of the human ovarian tissue. Human ovarian cortical tissues were cryopreserved using slow freezing method. Terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) was used to investigate apoptosis of primordial follicle. Fas, Fas ligand and active caspase-3 expression were detected by means of immunohistochemistry. The results showed that immunostaining for Fas, Fas ligand and active caspase-3 were not detected in morphologically normal primordial follicles in fresh ovarian tissue. After cryopreservation, Fas, Fas ligand and active caspase-3 immunostaining were present in morphologically normal primordial follicles. The study showed that cryopreservation of the human ovarian tissue induced the expression of Fas system in morphologically normal primordial follicles.

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Document Type: Research Article

Publication date: March 1, 2010

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  • CryoLetters is a bimonthly international journal for low temperature sciences, including cryobiology, cryopreservation or vitrification of cells and tissues, chemical and physical aspects of freezing and drying, and studies involving ecology of cold environments, and cold adaptation

    The journal publishes original research reports, authoritative reviews, technical developments and commissioned book reviews of studies of the effects produced by low temperatures on a wide variety of scientific and technical processes, or those involving low temperature techniques in the investigation of physical, chemical, biological and ecological problems.

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