| pubmed-article:17512146 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:17512146 | lifeskim:mentions | umls-concept:C0040300 | lld:lifeskim |
| pubmed-article:17512146 | lifeskim:mentions | umls-concept:C0001675 | lld:lifeskim |
| pubmed-article:17512146 | lifeskim:mentions | umls-concept:C0024660 | lld:lifeskim |
| pubmed-article:17512146 | lifeskim:mentions | umls-concept:C0039597 | lld:lifeskim |
| pubmed-article:17512146 | pubmed:issue | 1-2 | lld:pubmed |
| pubmed-article:17512146 | pubmed:dateCreated | 2008-4-8 | lld:pubmed |
| pubmed-article:17512146 | pubmed:abstractText | Xenografting of testis tissue from immature males from several mammalian species to immunodeficient mouse hosts results in production of fertilization-competent sperm. However, the efficiency of testis tissue xenografting from adult donors has not been critically evaluated. Testis tissue xenografting from sexually mature animals could provide an option to preserve the genetic material from valuable males when semen for cryopreservation cannot be collected. To assess the potential use of this technique for adult individuals, testes from adult animals of six species (pig, goat, cattle, donkey, horse and rhesus monkey) were ectopically grafted to host mice. Grafts were recovered and analyzed at three time points: less than 12 weeks, between 12 and 24 weeks and more than 24 weeks after grafting. Histological analysis of the grafts revealed effects of species and donor tissue maturity: all grafts from species with greater daily sperm production (pig and goat) were found to have degenerated tubules or grafts were completely degenerated. None of the xenografts from mature adult bull and monkeys contained differentiated spermatogenic cells when examined more than 12 weeks post-grafting but tubules with Sertoli cells only remained. In grafts from a young adult bull, Sertoli cells persisted much longer than with the mature adult grafts. In grafts from a young adult horse, spermatogenesis proceeded to meiosis. In grafts from a young adult donkey and monkey, however, complete spermatogenesis was found in the grafts. These results show that testis tissue grafts from mature adult donors did not support germ cell differentiation but seminiferous tubules with Sertoli cells only survived in some species. The timing and progression of tubular degeneration after grafting of adult testis tissue appear to be related to the intensity of spermatogenesis at the time of grafting. Testis tissue from sub-adult donors survives better as xenograft than tissue from mature adult donors, and complete spermatogenesis can occur albeit with species-specific differences. | lld:pubmed |
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| pubmed-article:17512146 | pubmed:language | eng | lld:pubmed |
| pubmed-article:17512146 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:17512146 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:17512146 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:17512146 | pubmed:month | Jun | lld:pubmed |
| pubmed-article:17512146 | pubmed:issn | 0378-4320 | lld:pubmed |
| pubmed-article:17512146 | pubmed:author | pubmed-author:HonaramoozAli... | lld:pubmed |
| pubmed-article:17512146 | pubmed:author | pubmed-author:DobrinskiInaI | lld:pubmed |
| pubmed-article:17512146 | pubmed:author | pubmed-author:RuiLeiL | lld:pubmed |
| pubmed-article:17512146 | pubmed:author | pubmed-author:ArreguiLucíaL | lld:pubmed |
| pubmed-article:17512146 | pubmed:author | pubmed-author:GomendioMonts... | lld:pubmed |
| pubmed-article:17512146 | pubmed:author | pubmed-author:RoldanEduardo... | lld:pubmed |
| pubmed-article:17512146 | pubmed:author | pubmed-author:ZengWenxianW | lld:pubmed |
| pubmed-article:17512146 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:17512146 | pubmed:volume | 106 | lld:pubmed |
| pubmed-article:17512146 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:17512146 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:17512146 | pubmed:pagination | 65-76 | lld:pubmed |
| pubmed-article:17512146 | pubmed:dateRevised | 2011-4-5 | lld:pubmed |
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| pubmed-article:17512146 | pubmed:meshHeading | pubmed-meshheading:17512146... | lld:pubmed |
| pubmed-article:17512146 | pubmed:year | 2008 | lld:pubmed |
| pubmed-article:17512146 | pubmed:articleTitle | Xenografting of adult mammalian testis tissue. | lld:pubmed |
| pubmed-article:17512146 | pubmed:affiliation | Center for Animal Transgenesis and Germ Cell Research, University of Pennsylvania, Kennet Square, PA 19348, USA. | lld:pubmed |
| pubmed-article:17512146 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:17512146 | pubmed:publicationType | Research Support, U.S. Gov't, Non-P.H.S. | lld:pubmed |
| pubmed-article:17512146 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
| pubmed-article:17512146 | pubmed:publicationType | Evaluation Studies | lld:pubmed |
| pubmed-article:17512146 | pubmed:publicationType | Research Support, N.I.H., Extramural | lld:pubmed |
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