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M9550885.TXT
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1995-03-25
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Document 0885
DOCN M9550885
TI The cutaneous T cell lymphoma, mycosis fungoides, is a human T cell
lymphotropic virus-associated disease. A study of 50 patients.
DT 9505
AU Pancake BA; Zucker-Franklin D; Coutavas EE; Department of Medicine, New
York University Medical Center, New; York 10016.
SO J Clin Invest. 1995 Feb;95(2):547-54. Unique Identifier : AIDSLINE
MED/95164683
AB For nearly two decades it has been suspected that the cutaneous T cell
lymphoma, mycosis fungoides (MF), and its leukemic variant, the Sezary
syndrome, are caused by the human T lymphotropic virus (HTLV-I/II).
Arguments against this concept included the finding that only a small
number of MF patients have antibodies to HTLV-I/II and that attempts to
detect proviral sequences by mere Southern hybridization of extracted
DNA usually met with failure. However, we have reported repeatedly that
HTLV-like particles emerge in blood mononuclear cell (PBMC) cultures of
practically all patients with this disease. In several instances, the
particles were identified as HTLV by immunoelectron microscopy as well
as biomolecular analysis. With the assumptions that the virus in MF
patients may have become detection by Southern hybridization alone, the
extracts of freshly isolated PBMC of 50 consecutive patients were
subjected to combined PCR/Southern analysis. Here we report the presence
of HTLV pol and/or tax proviral sequences in 46 out of 50 (92%) of the
patients tested. In addition, five of the patients, who lacked
antibodies to HTLV-I/II structural proteins, were found to be
seropositive for tax. It thus seems reasonable to conclude that
MF/Sezary syndrome is an HTLV-associated disease and that lack of an
immune response does not preclude infection with this type of virus.
DE Adult Aged Aged, 80 and over Amino Acid Sequence Base Sequence
Cells, Cultured Child Cloning, Molecular Comparative Study DNA
Primers DNA, Viral/ANALYSIS/*BLOOD Female Gene Products,
tax/*BIOSYNTHESIS Genes, pol Genes, pX Genes, Viral Human
HTLV-I/*ISOLATION & PURIF/PATHOGENICITY/ULTRASTRUCTURE
Lymphocytes/*VIROLOGY Male Microscopy, Electron Middle Age Molecular
Sequence Data Mycosis Fungoides/*VIROLOGY Polymerase Chain Reaction
Reference Values Sequence Homology, Nucleic Acid Sezary
Syndrome/*VIROLOGY Skin Neoplasms/*VIROLOGY Support, Non-U.S. Gov't
Support, U.S. Gov't, P.H.S. CLINICAL TRIAL JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).