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For pre-pubertal boys undergoing chemotherapy, or any other treatment which may be significantly gonadotoxic, options to preserve fertility include cryopreservation of testicular tissue (TT). This procedure is ideally done before the commencement of any treatments to avoid mutagenic effects of this on the germ cells being preserved. [2]
Men hoping to preserve their fertility before undergoing treatment for cancer or another fertility-threatening disease can cryopreserve, or freeze, their sperm, which can be obtained through masturbation in post-pubescent boys and men. This is the most established fertility preservation method for males.
Cryopreservation or cryoconservation is a process where biological material - cells, tissues, or organs - are frozen to preserve the material for an extended period of time. [1] At low temperatures (typically −80 °C (−112 °F) or −196 °C (−321 °F) using liquid nitrogen ) any cell metabolism which might cause damage to the biological ...
In 2004 Jacques Donnez in Belgium reported the first successful birth from frozen tissue using a protocol developed in Roger Gosden’s laboratory, where Oktay had studied. In 1997 samples of ovarian cortex were taken from a woman with Hodgkin's lymphoma and cryopreserved by slow freezing (Planer, UK) for banking in liquid nitrogen.
The transplanted cells also generate an immune response that helps to kill off the cancer cells; this process can go too far, however, leading to graft vs host disease, the most serious side effect of this treatment. [8] Another stem-cell therapy, called Prococvhymal, was conditionally approved in Canada in 2012 for the management of acute ...
Women diagnosed with cancer who have not yet begun chemotherapy or radiotherapy can benefit from Oocyte cryopreservation. [3] Chemotherapy and radiotherapy are toxic to oocytes, reducing the number of viable eggs. Egg-freezing may be used in this case to preserve eggs as opposed to Oocyte cryopreservation. [clarification needed] [citation needed]
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