Design, synthesis and biological evaluation of a new bridged immunosuppressor.
Author(s) -
Zbigniew Szewczuk,
Andrzej Wilczyński,
Inga Petry,
I. Z. Siemion,
Z Wieczorek
Publication year - 2001
Publication title -
acta biochimica polonica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.452
H-Index - 78
eISSN - 1734-154X
pISSN - 0001-527X
DOI - 10.18388/abp.2001_3881
Subject(s) - epitope , peptide , immune system , chemistry , peptide sequence , molecule , sequence (biology) , human leukocyte antigen , amino acid , biochemistry , stereochemistry , antigen , microbiology and biotechnology , biology , immunology , gene , organic chemistry
A bridged peptide with the sequence: H-Thr-Pro-Gln-Arg-Gly-Asp-Val-gamma-Abu-Asn-Asp-Gln-Glu-Glu-Thr-Thr-Gly-Val-Val-Ser-Thr-Pro-Leu-Ile-Arg-Asn-Gly-OH was designed to mimic the discontinuous epitope of the HLA-DQ molecule that might interact with CD4. The bridged peptide revealed distinct suppressory effect in the humoral immune response. This result supports our suggestion that the 164-172 region of the HLA-DQ molecule may enhance its interactions with coreceptors, possibly with CD4.
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