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M9490052.TXT
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1994-09-03
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Document 0052
DOCN M9490052
TI [Retroviral infection as a putative pathogen for sarcoidosis]
DT 9411
AU Tamura N; Suzuki K; Iwase A; Yamamoto T; Kira S; Department of
Respiratory Medicine, Juntendo University School of; Medicine.
SO Nippon Rinsho. 1994 Jun;52(6):1503-7. Unique Identifier : AIDSLINE
MED/94322474
AB Sarcoidosis is a granulomatous disorder of unknown etiology. Accumulated
data suggest that one or several exogenous or altered self antigens
participate in producing pathophysiological change in sarcoidosis.
Recently, analysis of retroviruses such as HTLV-1 and HIV-1 revealed
that these viruses would produce autoimmune disease like symptoms
including interstitial lung disease like pulmonary manifestation. We
hypothesized novel type retrovirus or retrovirus related antigens might
be a putative pathogen for sarcoidosis. Syncytial cell formation or
cytopathic effect was observed in 6 of 24 patients (25%) after coculture
of sarcoid BALF cells with U937 cells. Five of 18 culture supernatant
showed moderate reverse transcriptase activity. Expression of clone 4-1
env protein, one of the endogenous retroviral elements, was also
observed in alveolar macrophages of sarcoidosis. These data encourages
the further investigation of retrovirus as the pathogen of sarcoidosis.
DE Adult Aged Animal Bronchoalveolar Lavage Fluid/MICROBIOLOGY Cells,
Cultured English Abstract Female Human Male Middle Age
Retroviridae/ISOLATION & PURIF *Retroviridae Infections
Sarcoidosis/*MICROBIOLOGY/PATHOLOGY JOURNAL ARTICLE REVIEW REVIEW,
TUTORIAL
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).