Abstract:
:The inbred strain 13 guinea pig expresses at least three isotypes of immunoglobulin (Ig) lambda chain. The proportion of these isotypes in normal Ig can be estimated by isolating a constant (C) region cyanogen bromide peptide from lambda chains and quantitatively analyzing its component tryptic peptides. Anti-phenyltrimethylammonium antibody, when analyzed in this way, was found to contain the same proportion of each lambda chain C region isotype as did normal Ig. The specific antibody light (L) chain pools were found to contain predominantly lambda chains, although these are the minority type in guinea pig normal Ig L chain pools. Moreover, amino-terminal, 5-pyrrolidone-2-carboxylic acid-containing peptides isolated from antibody lambda chains show no demonstrable sequence heterogeneity, while their homologs isolated from normal lambda chains are markedly heterogeneous. That a restriction in heterogeneity of variable region framework residue positions is not associated with any alteration in the proportion of C region isotypes in these antibody lambda chains, implies that translocation of all guinea pig lambda chain variable region genes to the isotypic C region genes occurs in a random way.
journal_name
Eur J Immunoljournal_title
European journal of immunologyauthors
Brunhouse RF,Cebra JJdoi
10.1002/eji.1830081212keywords:
subject
Has Abstractpub_date
1978-12-01 00:00:00pages
889-95issue
12eissn
0014-2980issn
1521-4141journal_volume
8pub_type
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journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830170621
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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更新日期:1998-01-01 00:00:00
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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更新日期:2000-05-01 00:00:00
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journal_title:European journal of immunology
pub_type: 杂志文章
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journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830250421
更新日期:1995-04-01 00:00:00
abstract::In this study, we demonstrated that antibodies reactive with a common beta 1 subunit (CD29) of the VLA family of antigens could synergize with CD3 but not CD2 in inducing CD4 cell proliferation in a serum-free culture system. The extent of activation was similar to that obtained when CD4 cells were cultured with anti-...
journal_title:European journal of immunology
pub_type: 杂志文章
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更新日期:1991-02-01 00:00:00