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Rats Produced by Interspecies Spermatogonial Transplantation in Mice and in vitro Microinsemination
Spermatogonial transplantation has demonstrated a unique opportunity for studying spermatogenesis and provided an assay for spermatogonial stem cells. However, it has remained unknown whether germ cells that matured in a xenogeneic environment are functionally normal. In this investigation, we demon...
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Published in: | Proceedings of the National Academy of Sciences - PNAS 2006-09, Vol.103 (37), p.13624-13628 |
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container_title | Proceedings of the National Academy of Sciences - PNAS |
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creator | Shinohara, Takashi Kato, Megumi Takehashi, Masanori Lee, Jiyoung Chuma, Shinichiro Nakatsuji, Norio Kanatsu-Shinohara, Mito Hirabayashi, Masumi |
description | Spermatogonial transplantation has demonstrated a unique opportunity for studying spermatogenesis and provided an assay for spermatogonial stem cells. However, it has remained unknown whether germ cells that matured in a xenogeneic environment are functionally normal. In this investigation, we demonstrate the successful production of xenogeneic offspring by using spermatogonial transplantation. Rat spermatogonial stem cells were collected from immature testis and transplanted into the seminiferous tubules of busulfan-treated nude mouse testis. Using rat spermatids or spermatozoa that developed in xenogeneic surrogate mice, rat offspring were born from fresh and cryopreserved donor cells after microinsemination with rat oocytes. These offspring were fertile and had a normal imprinting pattern. The xenogeneic offspring production by interspecies germ cell transplantation and in vitro microinsemination will become a powerful tool in animal transgenesis and species conservation. |
doi_str_mv | 10.1073/pnas.0604205103 |
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However, it has remained unknown whether germ cells that matured in a xenogeneic environment are functionally normal. In this investigation, we demonstrate the successful production of xenogeneic offspring by using spermatogonial transplantation. Rat spermatogonial stem cells were collected from immature testis and transplanted into the seminiferous tubules of busulfan-treated nude mouse testis. Using rat spermatids or spermatozoa that developed in xenogeneic surrogate mice, rat offspring were born from fresh and cryopreserved donor cells after microinsemination with rat oocytes. These offspring were fertile and had a normal imprinting pattern. 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However, it has remained unknown whether germ cells that matured in a xenogeneic environment are functionally normal. In this investigation, we demonstrate the successful production of xenogeneic offspring by using spermatogonial transplantation. Rat spermatogonial stem cells were collected from immature testis and transplanted into the seminiferous tubules of busulfan-treated nude mouse testis. Using rat spermatids or spermatozoa that developed in xenogeneic surrogate mice, rat offspring were born from fresh and cryopreserved donor cells after microinsemination with rat oocytes. These offspring were fertile and had a normal imprinting pattern. The xenogeneic offspring production by interspecies germ cell transplantation and in vitro microinsemination will become a powerful tool in animal transgenesis and species conservation.</description><subject>Animals</subject><subject>Artificial insemination</subject><subject>Biological Sciences</subject><subject>Cryopreservation</subject><subject>Fertility</subject><subject>Genomic Imprinting</subject><subject>Germ cells</subject><subject>Insemination, Artificial</subject><subject>Male</subject><subject>Mice</subject><subject>Rats</subject><subject>Reproductive technologies</subject><subject>Rodents</subject><subject>Sertoli cells</subject><subject>Spermatogenesis</subject><subject>Spermatogonia - transplantation</subject><subject>Spermatozoa</subject><subject>Stem cell transplantation</subject><subject>Stem cells</subject><subject>Testes</subject><subject>Testis - cytology</subject><subject>Transplantation</subject><subject>Transplantation, Heterologous</subject><subject>Transplants & implants</subject><issn>0027-8424</issn><issn>1091-6490</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqFkc1v1DAQxSMEokvhzAkUcUDikHYcf-aChCo-KhWBoJwtx5kUrxI7tZ2K_vck7KoLXHoaa_ybp5n3iuI5gRMCkp5O3qQTEMBq4ATog2JDoCGVYA08LDYAtawUq9lR8SSlLQA0XMHj4oiIhvEG6k1hv5mcyq8xdLPFrmxvy3OfMaYJrcNUfp8wjiaHq-CdGcrLaHyaBuOzyS740vnys7NYGt-t7xuXY1g7MTifcHT-D_a0eNSbIeGzfT0ufnx4f3n2qbr48vH87N1FZTmFXBFsDWdgZCsU7zlib8H2ioPhgjMFjaGd6CxTnVSSK9lK7NsaWoVGMisEPS7e7nSnuR2xs-hzNIOeohtNvNXBOP3vj3c_9VW40YQLVtdyEXi9F4jhesaU9eiSxWE5GMOctFCKy8W2e0HSUMoYX1d69R-4DXP0iwu6BsJAcbWqne6gxbeUIvZ3KxPQa8x6jVkfYl4mXv596YHf57oAb_bAOnmQo5pKTaiome7nYcj4Ky9seQ-7IC92yDblEO8YCsCBAqe_ASMtx8c</recordid><startdate>20060912</startdate><enddate>20060912</enddate><creator>Shinohara, Takashi</creator><creator>Kato, Megumi</creator><creator>Takehashi, Masanori</creator><creator>Lee, Jiyoung</creator><creator>Chuma, Shinichiro</creator><creator>Nakatsuji, Norio</creator><creator>Kanatsu-Shinohara, Mito</creator><creator>Hirabayashi, Masumi</creator><general>National Academy of Sciences</general><general>National Acad Sciences</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QR</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TK</scope><scope>7TM</scope><scope>7TO</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7QO</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20060912</creationdate><title>Rats Produced by Interspecies Spermatogonial Transplantation in Mice and in vitro Microinsemination</title><author>Shinohara, Takashi ; 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The xenogeneic offspring production by interspecies germ cell transplantation and in vitro microinsemination will become a powerful tool in animal transgenesis and species conservation.</abstract><cop>United States</cop><pub>National Academy of Sciences</pub><pmid>16945902</pmid><doi>10.1073/pnas.0604205103</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Animals Artificial insemination Biological Sciences Cryopreservation Fertility Genomic Imprinting Germ cells Insemination, Artificial Male Mice Rats Reproductive technologies Rodents Sertoli cells Spermatogenesis Spermatogonia - transplantation Spermatozoa Stem cell transplantation Stem cells Testes Testis - cytology Transplantation Transplantation, Heterologous Transplants & implants |
title | Rats Produced by Interspecies Spermatogonial Transplantation in Mice and in vitro Microinsemination |
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