Source:http://linkedlifedata.com/resource/pubmed/id/18265298
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rdf:type | |
lifeskim:mentions | |
pubmed:dateCreated |
2008-2-11
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pubmed:abstractText |
This unit describes the use of COS cells to efficiently produce a desired protein in a short period of time. These cells express high levels of the SV40 large tumor (T) antigen, which is necessary to initiate viral DNA replication at the SV40 origin. Each COS cell transfected with DNA encoding a cell-surface antigen (in the appropriate vector) or cytoplasmic protein will express several thousand to several hundred thousand copies of the protein 72 hr posttransfection. If the transfected DNA encodes a secreted protein, up to 10 mg of protein can be recovered from the supernatant of the transfected COS cells 1 week posttransfection. COS cell transient expression systems have also been used to screen cDNA libraries, to isolate cDNAs encoding cell-surface proteins, secreted proteins, and DNA binding proteins, and to test protein expression vectors rapidly prior to the preparation of stable cell lines.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Nov
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pubmed:issn |
1934-3647
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:volume |
Chapter 16
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
Unit 16.12
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pubmed:meshHeading |
pubmed-meshheading:18265298-Animals,
pubmed-meshheading:18265298-Antigens, Polyomavirus Transforming,
pubmed-meshheading:18265298-COS Cells,
pubmed-meshheading:18265298-Cercopithecus aethiops,
pubmed-meshheading:18265298-Cloning, Molecular,
pubmed-meshheading:18265298-Genetic Vectors,
pubmed-meshheading:18265298-Recombinant Fusion Proteins,
pubmed-meshheading:18265298-Simian virus 40,
pubmed-meshheading:18265298-Transduction, Genetic,
pubmed-meshheading:18265298-Virus Replication
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pubmed:year |
2002
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pubmed:articleTitle |
Transient expression of proteins using COS cells.
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pubmed:affiliation |
Bristol-Myers Squibb, Princeton, New Jersey, USA.
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pubmed:publicationType |
Journal Article
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