Source:http://linkedlifedata.com/resource/pubmed/id/10348342
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
17
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pubmed:dateCreated |
1999-6-16
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pubmed:databankReference | |
pubmed:abstractText |
The ErbB/HER family of receptor tyrosine kinases consists of four receptors that bind a large number of growth factor ligands sharing an epidermal growth factor- (EGF)-like motif. Whereas ErbB-1 binds seven different ligands whose prototype is EGF, the three families of neuregulins (NRGs) activate ErbB-3 and/or ErbB-4. Here we characterize a fourth neuregulin, NRG-4, that acts through ErbB-4. The predicted pro-NRG-4 is a transmembrane protein carrying a unique EGF-like motif and a short cytoplasmic domain. A synthetic peptide encompassing the full-length EGF-like domain can induce growth of interleukin-dependent cells ectopically expressing ErbB-4, but not cells expressing the other three ErbB proteins or their combinations. Consistent with specificity to ErbB-4, NRG-4 can displace an ErbB-4-bound NRG-1 and can activate signaling downstream of this receptor. Expression of NRG-4 mRNA was detected in the adult pancreas and weakly in muscle; other tissues displayed no detectable NRG-4 mRNA. The primary structure and the pattern of expression of NRG-4, together with the strict specificity of this growth factor to ErbB-4, suggest a physiological role distinct from that of the known ErbB ligands.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Glycoproteins,
http://linkedlifedata.com/resource/pubmed/chemical/Ligands,
http://linkedlifedata.com/resource/pubmed/chemical/Nerve Growth Factors,
http://linkedlifedata.com/resource/pubmed/chemical/Neuregulins,
http://linkedlifedata.com/resource/pubmed/chemical/RNA, Messenger,
http://linkedlifedata.com/resource/pubmed/chemical/Receptor, Epidermal Growth Factor,
http://linkedlifedata.com/resource/pubmed/chemical/receptor tyrosine-protein kinase...
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pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
0950-9232
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
29
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pubmed:volume |
18
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
2681-9
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pubmed:dateRevised |
2011-11-2
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pubmed:meshHeading |
pubmed-meshheading:10348342-Amino Acid Sequence,
pubmed-meshheading:10348342-Base Sequence,
pubmed-meshheading:10348342-Cell Division,
pubmed-meshheading:10348342-Glycoproteins,
pubmed-meshheading:10348342-Humans,
pubmed-meshheading:10348342-Ligands,
pubmed-meshheading:10348342-Molecular Sequence Data,
pubmed-meshheading:10348342-Nerve Growth Factors,
pubmed-meshheading:10348342-Neuregulins,
pubmed-meshheading:10348342-Organ Specificity,
pubmed-meshheading:10348342-Protein Structure, Tertiary,
pubmed-meshheading:10348342-RNA, Messenger,
pubmed-meshheading:10348342-Receptor, Epidermal Growth Factor
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pubmed:year |
1999
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pubmed:articleTitle |
Neuregulin-4: a novel growth factor that acts through the ErbB-4 receptor tyrosine kinase.
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pubmed:affiliation |
Department of Biological Regulation, The Weizmann Institute of Science, Rehovot, Israel.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, Non-P.H.S.,
Research Support, Non-U.S. Gov't
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