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Clinical Microbiology Reviews, Jan 1996, 72-99, Vol 9, No. 1
HB Urnovitz and WH Murphy
Retroviral diagnostics have become standard in human laboratory medicine.
While current emphasis is placed on the human exogenous viruses (human
immunodeficiency virus and human T-cell leukemia virus), evidence
implicating human endogenous retroviruses (HERVs) in various human disease
entities continues to mount. Literature on the occurrence of HERVs in human
tissues and cells was analyzed. Substantial evidence documents that
retrovirus particles were clearly demonstrable in various tissues and cells
in both health and disease and were abundant in the placenta and that their
occurrence could be implicated in some of the reproductive diseases. The
characteristics of HERVs are summarized, mechanisms of replication and
regulation are outlined, and the consistent hormonal responsiveness of
HERVs is noted. Clear evidence implicating HERV gene products as
participants in glomerulonephritis in some cases of systemic lupus
erythematosus is adduced. Data implicating HERVs as etiologic factors in
reproductive diseases, in some of the autoimmune diseases, in some forms of
rheumatoid arthritis and connective tissue disease, in psoriasis, and in
some of the inflammatory neurologic diseases are reviewed. The current
major needs are to improve methods for HERV detection, to identify the most
appropriate HERV prototypes, and to develop diagnostic reagents so that the
putative biologic and pathologic roles of HERVs can be better evaluated.
Copyright © 1996 by the American Society for Microbiology. All rights reserved.
Human endogenous retroviruses: nature, occurrence, and clinical implications in human disease
Calypte Biomedical Corporation, Berkeley, California 94710, USA. hervdoc@aol.com
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