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M9480493.TXT
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1994-08-20
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Document 0493
DOCN M9480493
TI Differential effects of flanking residues on presentation of epitopes
from chimeric peptides.
DT 9410
AU Bergmann CC; Tong L; Cua R; Sensintaffar J; Stohlman S; Department of
Neurology, University of Southern California School; of Medicine, Los
Angeles 90033.
SO J Virol. 1994 Aug;68(8):5306-10. Unique Identifier : AIDSLINE
MED/94309203
AB Chimeric peptides in which the optimal H-2d mouse hepatitis virus
nucleocapsid (pN) and human immunodeficiency virus type 1 (p18)
epitopes, separated by 38, 7, or 2 amino acids, were expressed from a
single open reading frame by using recombinant vaccinia viruses to
analyze antigen processing of proximal class I-restricted epitopes.
Recognition of the carboxy-terminal Dd-restricted p18 epitope was
independent of the amino-terminal flanking residues. By contrast,
proximity of the carboxy-terminal epitope decreased recognition of the
amino-terminal Ld-restricted pN epitope. Immunization resulted in the
induction of both p18- and pN-specific antiviral cytotoxic T
lymphocytes, irrespective of the number of amino acids separating the
epitopes.
DE Amino Acid Sequence Animal Antigenic Determinants/*IMMUNOLOGY Base
Sequence Capsid/*IMMUNOLOGY DNA, Viral Gene Products, gag/*IMMUNOLOGY
Human HIV-1/*IMMUNOLOGY Molecular Sequence Data Open Reading Frames
Support, Non-U.S. Gov't Support, U.S. Gov't, P.H.S. T-Lymphocytes,
Cytotoxic/IMMUNOLOGY Viral Core Proteins/*IMMUNOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).