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Articles Related to Cryopreservation

Effects of Different Concentratıons of Proline, Cysteine and Glutamine on Some Sperm Quality Characterıstıcs and Fertility of Cryopreserved Bee Spermatozoa (Apis Mellifera)

Development of novel cryopreservation protocols is required to test novel chemical and non-chemical supplements in freezing extender for bee semen. Antioxidants demonstrate critical effects on post-thawed sperm quality, fertility, and subsequent embryo development. The purpose of the study was to determine of the effects of different concentrations of proline, cysteine and glutamine on some sperm quality and fertility of cryopreserved bee spermatozoa.
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Advances in the Treatment of Breast Cancer-Emphasis on fertility preservationA Case Report

With the recent advances in breast cancer treatment the 5 year survival rates have increased significantly with overall 20yrs survival in developed countries like USA. With further improvement being designed in the treatment of breast cancers with more and more sophisticated models to study breast cancer in human beings using the modern microfluidic models one expects more and younger breast cancer survivors to be needing fertility treatments. Here we review the modern advances in breast cancer treatments and the need for emphasizing on fertility preservation before starting any chemotherapeutic or other management as recommended by both ASO and ASRM.
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Improvements to In Vitro Culture Media for Use in Bovine IVF

In assisted reproduction of cattle the design and preparation of in vitro culture media has been instrumental in supporting the development of bovine oocytes and embryos. In vitro production (IVP) involves three main sequential steps: oocyte aspiration and in vitro maturation (IVM); in vitro fertilization (IVF); and in vitro culture (IVC) of early pre-implantation embryos.
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Requirements for Cryopreservation of In Vitro-Produced Bovine Embryos by a Standard Method of Vitrification

In relation to assisted mammalian reproduction, the goal of cryopreservation is to preserve without significant loss of viability a stock of gametes and/or embryos with a view to thawing those cells for use in in vitro reproduction treatments. There are numerous cryopreservation protocols, which vary in terms of cryoprotectant used, storage temperature, freezing and thawing rates, and the particular cells that they are suitable for preserving.
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Benefits and Constraints of Vitrification Technologies for Cryopreservation of Bovine In Vitro Fertilized Embryos

Cryopreservation is the use of ultra-low temperatures to preserve whole living cells and tissues in order to retain their structural integrity and maintain their physiological viability. It enables long term storage of cells in order to circumvent the need for continuous in vitro culture. When cryopreserving bovine embryos there are two means of cryopreservation: slow programmable freezing and vitrification. While controlled-rate and slow freezing can be applied widely to in vivo derived-embryos, this methodology remains less successful for embryos produced in vitro.
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Editorial Board Members Related to Cryopreservation

Saber Mohamed Abd-Allah

Associate Professor
Department of Theriogenology
Faculty of Veterinary Medicine
Egypt

Saber Mohamed Abd-Allah

Associate Professor
Faculty of Veterinary Medicine
Beni-Suef University
Egypt
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