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M9620406.TXT
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1996-02-26
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Document 0406
DOCN M9620406
TI A single retroviral gag precursor signal peptide recognized by FBL-3
tumor-specific cytotoxic T lymphocytes.
DT 9602
AU Kondo T; Uenishi H; Shimizu T; Hirama T; Iwashiro M; Kuribayashi K;
Tamamura H; Fujii N; Fujisawa R; Miyazawa M; et al; Department of
Biophysics, Faculty of Science, Kyoto University,; Japan.
SO J Virol. 1995 Nov;69(11):6735-41. Unique Identifier : AIDSLINE
GENBANK/D45226
AB Several dominant T-cell receptors of cytotoxic T-lymphocyte (CTL) clones
specific for FBL-3 tumor antigen were clonally amplified in mixed
lymphocyte tumor cell cultures derived from an individual immune mouse.
Every CTL clone analyzed had a common specificity for a single epitope
in the precursor to cell membrane-associated nonstructural gag-encoded
protein, Pr75gag, which can be minimally identified by nine amino acid
residues, SIVLCCLCL. This epitope is located within the hydrophobic
signal sequence motif that mediates translocation of the protein into
the endoplasmic reticulum. These novel observations suggest that
expression of Pr75gag in FBL-3 tumor cells led to the amplification of
CTLs which recognize the signal sequence of the nonstructural
gag-encoded glycoprotein precursor.
DE Amino Acid Sequence Animal Base Sequence Clone Cells Cloning,
Molecular DNA Primers Endoplasmic Reticulum/IMMUNOLOGY/METABOLISM
Friend Virus/GENETICS/*IMMUNOLOGY Gene Products,
gag/BIOSYNTHESIS/*IMMUNOLOGY Genes, gag Leukemia, Erythroblastic,
Acute/IMMUNOLOGY Mice Mice, Inbred Strains Molecular Sequence Data
Polymerase Chain Reaction Protein Precursors/IMMUNOLOGY Receptors,
Antigen, T-Cell, alpha-beta/*BIOSYNTHESIS/*IMMUNOLOGY Recombinant
Proteins/BIOSYNTHESIS/IMMUNOLOGY Signal Peptides/*IMMUNOLOGY Support,
Non-U.S. Gov't T-Lymphocytes, Cytotoxic/*IMMUNOLOGY/*VIROLOGY JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).