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M94A3169.TXT
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1994-10-25
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Document 3169
DOCN M94A3169
TI Protein tyrosine phosphorylation in HTLV-1 infected and Tax1-transduced
T lymphocytes.
DT 9412
AU Akagi T; Tono H; Shimotohno K; Virology Division, National Cancer Center
Research Institute,; Tokyo, Japan.
SO Int Conf AIDS. 1994 Aug 7-12;10(1):137 (abstract no. PA0166). Unique
Identifier : AIDSLINE ICA10/94369406
AB To elucidate the mechanism of abnormal growth of HTLV-1 infected T
lymphocytes, we have investigated the protein tyrosine-phosphorylation,
which is known to play an important role in growth-signal transduction,
by the western blot analysis using anti-phosphotyrosine antibody. HTLV-1
infected T cell clone showed significantly elevated level of protein
tyrosine-phosphorylation compared to control T cell clone.
Tyrosine-phosphorylated proteins of 64kd and 35kd were observed
specifically in HTLV-1 infected T cell clone. Tyrosine-phosphorylation
of 64kd protein was also observed in Tax1-transduced T cells which were
derived from PBL by using a retroviral vector. These elevated levels of
protein tyrosine-phosphorylation possibly play some role in the abnormal
proliferation of HTLV-1 infected T lymphocytes.
DE Blotting, Western Clone Cells Comparative Study Gene Products,
tax/*METABOLISM Human HTLV-I/*PHYSIOLOGY Lymphocyte Transformation
Phosphoproteins/ISOLATION & PURIF/*METABOLISM Phosphorylation
Recombinant Proteins/METABOLISM *Signal Transduction
T-Lymphocytes/*PHYSIOLOGY Transfection Tyrosine/*ANALOGS &
DERIVATIVES/METABOLISM MEETING ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).