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M94A3198.TXT
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1994-10-25
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Document 3198
DOCN M94A3198
TI The effect of glycyrrhizin in mice infected with murine retrovirus. I.
Prevention of the progression of disease.
DT 9412
AU Miyaji C; Watanabe H; Makino M; Abo T; Dep. of Immunol., Niigata Univ.
Sch. of Medicine, Japan.
SO Int Conf AIDS. 1994 Aug 7-12;10(1):130 (abstract no. PA0139). Unique
Identifier : AIDSLINE ICA10/94369377
AB OBJECTIVE: Glycyrrhizin (GL), one of the plant extracts, have been
evaluated for their inhibitory effect on HIV replication. From these
observations, we attempted to use GL in murine AIDS (MAIDS) model and
evaluated the development of MAIDS. METHODS: C57BL/6 mice were
inoculated with LP-BM5 MuLV. Treatment with GL was began 0 day or 4
weeks after the virus inoculation, three times a week until 19 weeks.
For monitoring the appearance of MAIDS, the spleen weight and axillary
lymph node weight were measured. The immunological abnormalities were
monitored with respect to the mitogenic response of spleen cells to Con
A and LPS. Serum IgM levels were also determined. RESULTS: All mice
infected with the virus alone developed MAIDS and died until 15 weeks
after infection. GL had no effect on the 50% of mortality, although some
mice that began the treatment on 4 weeks from virus inoculation were
survived until 17 weeks. The splenomegaly and lymphadenopathy of mice
treated GL were suppressed, compared with mice inoculated virus alone.
The mice with no signs of disease had a normal Con A response, but did
not show a LPS response. The mice with MAIDS had elevated levels of
serum IgM. GL did not lower the levels of serum IgM even in these
treated mice. CONCLUSIONS: These results suggested that the treatment of
GL was considerably effective to MAIDS mice in preventing the
progression of disease, although GL did not completely prevent their
mortality.
DE Animal Antiviral Agents/*THERAPEUTIC USE Glycyrrhetinic Acid/*ANALOGS
& DERIVATIVES/THERAPEUTIC USE IgM/BLOOD *Leukemia Viruses, Murine
Lymph Nodes/DRUG EFFECTS/IMMUNOLOGY/PATHOLOGY Lymphocyte Transformation
Lymphocytes/DRUG EFFECTS/IMMUNOLOGY Mice Mice, Inbred C57BL Murine
Acquired Immunodeficiency Syndrome/IMMUNOLOGY/PATHOLOGY/ *PREVENTION &
CONTROL Spleen/DRUG EFFECTS/IMMUNOLOGY/PATHOLOGY MEETING ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).