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M9480153.TXT
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1994-08-09
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Document 0153
DOCN M9480153
TI Establishment and characterization of synovial cell clones with
integrated human T-cell leukemia virus type-I.
DT 9410
AU Hasunuma T; Nakajima T; Aono H; Sato K; Matsubara T; Yamamoto K;
Nishioka K; Division of Rheumatology and Molecular Immunology, St.
Marianna; University School of Medicine, Kanagawa-ken, Japan.
SO Clin Immunol Immunopathol. 1994 Jul;72(1):90-7. Unique Identifier :
AIDSLINE MED/94291307
AB Human T cell leukemia virus type-I (HTLV-I)-integrated synovial cell
clones (SCCs) were established from four HTLV-I-infected patients with
chronic proliferative arthropathy. Extracted DNAs of these SCCs were
examined for the existence of HTLV-I proviral DNA. Electron microscopic
analysis and immunohistochemical staining were also performed to examine
the nature of the HTLV-I integrated SCCs. SCCs derived from all four
patients consisted of either HTLV-I integrated or nonintegrated cells.
HTLV-I integrated SCCs also produced viral messenger RNA which was
detected by reverse transcriptase-polymerase chain reaction as well as
viral protein which was detected by immunohistochemical staining.
Phenotypically, these SCCs containing HTLV-I proviral DNA were shown to
be all cell types as observed by electron microscopic analysis and
immunohistochemical analysis. Moreover, expression of HTLV-I
glycoprotein was greater in SCCs with a monocyte marker. These findings
suggest that SCCs harboring HTLV-I have an important role in synovial
hyperplasia.
DE Aged Aged, 80 and over Clone Cells DNA, Viral/*ANALYSIS Female
Human HTLV-I/*GENETICS/ISOLATION & PURIF Immunohistochemistry Middle
Age Proviruses/GENETICS/ISOLATION & PURIF RNA, Messenger/ANALYSIS
RNA, Viral/ANALYSIS Support, Non-U.S. Gov't Synovial
Membrane/*CYTOLOGY/*MICROBIOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).