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Expression of a novel gene product by transplants of genetically modified primary fibroblasts in the central nervous system

Identifieur interne : 000F88 ( Istex/Corpus ); précédent : 000F87; suivant : 000F89

Expression of a novel gene product by transplants of genetically modified primary fibroblasts in the central nervous system

Auteurs : D. B Doering ; P. L. Chang

Source :

RBID : ISTEX:07649CF83AC844F12B1A5F04B794E7FC970BE685

English descriptors

Abstract

Primary fibroblasts initiated from skin biopsies of Wistar rats were transfected with a plasmid that encodes the human growth hormone and the neomycin resistance genes. Cell clones selected for G418 resistance and expressing high levels of human growth hormone were propagated in vitro and subsequently transplanted into the cerebral cortex of adult allogeneic rats. Grafts were examined by immunocytochemistry at weekly intervals up to 2 months. Fibroblasts in the transplants survived and expressed growth hormone clearly up to 4 weeks, but showed reduced expression at 6 to 8 weeks. Significant levels of human growth hormone were also detected by radioimmunoassay in the serum of the host rats up to 1 month. The experiments demonstrate that primary fibroblasts can be genetically modified to deliver a new gene product into the central nervous system, and the gene product can pass the blood‐brain barrier to enter the systemic circulation. This model illustrates the potential to introduce desired products into the brain through the genetic alteration of autologous primary fibroblasts.

Url:
DOI: 10.1002/jnr.490290304

Links to Exploration step

ISTEX:07649CF83AC844F12B1A5F04B794E7FC970BE685

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<titleInfo type="abbreviated">
<title>J. Neurosci. Res.</title>
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<genre type="journal">journal</genre>
<subject>
<genre>article-category</genre>
<topic>Article</topic>
</subject>
<identifier type="ISSN">0360-4012</identifier>
<identifier type="eISSN">1097-4547</identifier>
<identifier type="DOI">10.1002/(ISSN)1097-4547</identifier>
<identifier type="PublisherID">JNR</identifier>
<part>
<date>1991</date>
<detail type="volume">
<caption>vol.</caption>
<number>29</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>3</number>
</detail>
<extent unit="pages">
<start>292</start>
<end>298</end>
<total>7</total>
</extent>
</part>
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<identifier type="istex">07649CF83AC844F12B1A5F04B794E7FC970BE685</identifier>
<identifier type="DOI">10.1002/jnr.490290304</identifier>
<identifier type="ArticleID">JNR490290304</identifier>
<accessCondition type="use and reproduction" contentType="copyright">Copyright © 1991 Wiley‐Liss, Inc.</accessCondition>
<recordInfo>
<recordContentSource>WILEY</recordContentSource>
<recordOrigin>Wiley Subscription Services, Inc., A Wiley Company</recordOrigin>
</recordInfo>
</mods>
</metadata>
<serie></serie>
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