Abstract:
:Recent work in preservation of female fertility as well as new information on the nature of spermatogonial stem cells has prompted an investigation into the possibility of an effective clinical-grade procedure for the cryopreservation of testicular cells and/or tissue. Clinical-grade reagents, validated equipment, and protocols consistent with cGTP/cGMP standards were used in developing a procedure suitable for the safe and effective cryopreservation of human testicular cells and tissues. These procedures were designed to be compliant with the relevant FDA regulations. The procedure proved to effectively cryopreserve both testicular cells and tissue. The cryopreservation of testicular tissue was comparable in most aspects we measured to the cryopreservation of isolated cells, except that the viability of the cells from cryopreserved testicular tissue was found to be significantly higher. On the other hand, cryopreservation of cells is preferred for cell analysis, quality control, and sterility testing. This study demonstrates that testicular tissue and cells from sexual reassignment patients can be successfully cryopreserved with a clinical-grade procedure and important cell populations are not only preserved but also enriched by the process. Further studies will determine whether these findings from hormone-treated patients can be generalized to other patients.
journal_name
Biomed Res Intjournal_title
BioMed research internationalauthors
Pacchiarotti J,Ramos T,Howerton K,Greilach S,Zaragoza K,Olmstead M,Izadyar Fdoi
10.1155/2013/930962subject
Has Abstractpub_date
2013-01-01 00:00:00pages
930962eissn
2314-6133issn
2314-6141journal_volume
2013pub_type
杂志文章abstract::The selection of the most relevant molecular descriptors to describe a target variable in the context of QSAR (Quantitative Structure-Activity Relationship) modelling is a challenging combinatorial optimization problem. In this paper, a novel software tool for addressing this task in the context of regression and clas...
journal_title:BioMed research international
pub_type: 杂志文章
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journal_title:BioMed research international
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pub_type: 临床试验,杂志文章
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journal_title:BioMed research international
pub_type: 临床试验,杂志文章
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pub_type: 杂志文章,meta分析,评审
doi:10.1155/2019/2931831
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pub_type: 临床试验,杂志文章,多中心研究
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