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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
13
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pubmed:dateCreated |
1982-10-29
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pubmed:abstractText |
Fibronectin immobilized to plastic tubes binds soluble C1q with a Kd of 82 +/- 2.6 nM. The binding of fibronectin to C1q is relatively insensitive to pH but is sensitive to ionic conditions. C1q covalently bound to Sepharose selectively binds cellular fibronectin produced by a hamster fibroblast cell line. The globular head regions of C1q have no effect on the binding of C1q to fibronectin but the collagenous tails of C1q interfere competitively with a Ki of 59 nM. We conclude that fibronectin binds C1q via its collagen-like tail region and thus the process resembles the binding of fibronectin to gelatin. This is further emphasized by our observation that gelatin binds to fibronectin immobilized on plastic tubes with a Kd of 131 nM. Because fibronectin stimulates endocytosis in several systems and promotes the clearance of particulate material from the circulation, these results suggest the possibility that fibronectin could function in the clearance of C1q-coated material such as immune complexes or cellular debris.
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pubmed:grant |
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-114206,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-119162,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-14907713,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-180981,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-357987,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-361081,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-396780,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-4121391,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-4160044,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-4204102,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-4399260,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-447746,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-475762,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-569023,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-6251443,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-6277780,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-6768291,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-6776418,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-6952210,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-6999530,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-703835,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-7049547,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-7217665,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-7248281,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-7251676,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-7373612,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-762412,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-903179,
http://linkedlifedata.com/resource/pubmed/commentcorrection/6981115-96117
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
0027-8424
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
79
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
4198-201
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pubmed:dateRevised |
2009-11-18
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pubmed:meshHeading |
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pubmed:year |
1982
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pubmed:articleTitle |
Fibronectin binds to the C1q component of complement.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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