Abstract:
:Based on the earlier observation that DNP-HSA interacts directly with C1q, a subcomponent of the first component of complement (Loos and König, 1977), evidence is presented that TNP bound to erythrocytes (E-TNP) can interact with the whole complement sequence leading to the lysis of the TNP-carrying erythrocytes; in this test system the erythrocytes are used as an indicator of the TNP-complement reaction. To exclude any antibody-mediated lysis either the heterologus sera were exhaustively absorbed with the erythrocytes used in the test system or serum and erythrocytes of one individual person were taken. The strongly temperature-dependent interaction of TNP-sulfonic acid with the erythrocytes resulted in the formation of E-TNP as well as of a TNP-protein complex released into the supernatant. The TNP-protein complex strongly inhibited purified C1 similar to DNP-HSA. The antibody independent lysis of E-TNP by complement was dependent upon the TNP concentration per cell, the temperature and time as well as the complement concentration. The reaction of E-TNP with complement showed similar characteristics to those for the reaction of antibody sensitized erythrocytes (EA) with complement. E-TNP is a helpful tool to study antibody-independent activation of the complement system.
journal_name
J Immunol Methodsjournal_title
Journal of immunological methodsauthors
Thesen R,Back W,Loos Mdoi
10.1016/0022-1759(78)90256-9subject
Has Abstractpub_date
1978-01-01 00:00:00pages
201-9eissn
0022-1759issn
1872-7905pii
0022-1759(78)90256-9journal_volume
20pub_type
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journal_title:Journal of immunological methods
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journal_title:Journal of immunological methods
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更新日期:2004-02-01 00:00:00
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pub_type: 杂志文章
doi:10.1016/0022-1759(78)90114-x
更新日期:1978-01-01 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:1981-01-01 00:00:00
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pub_type: 杂志文章
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更新日期:2004-05-01 00:00:00
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journal_title:Journal of immunological methods
pub_type: 杂志文章
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更新日期:1997-08-07 00:00:00
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pub_type: 杂志文章
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