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Vol.55 No.2 >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10564/225

Title: ESTRADIOL INDUCES EXPRESSION OF HTLV-I ANTIGENS IN LYMPHOCYTES OF HTLV-I ANTIBODY POSMVE WOMEN
Authors: Matsumoto, Yosmnari
Ando, Yoshiya
Maruya, Chiaki
Enomoto, Masahzlro
Matsuda, Tetsunori
Keywords: HTLV-I
antibody
antigen
sero-coversion
human sera
Issue Date: 30-Apr-2004
Publisher: 奈良医学会
奈良県立医科大学
Citation: Journal of Nara Medical Association Vol.55 No.2 p.81-86
Abstract: Pregnant women tested positive for antibodies to human T cell leukemia virus-I (HTLV-I), even though they had tested negative during a previous pregnancy. We investigated the correlations between production of HTLV-I antibodies (HTLV-I Ab) , expression of HTLV-I antigen (HTLV-I Ag), and proliferation of cells due to estrogen in vitro. Peripheral blood lymphocytes (PBLs) were separated from five HTLV-I sero-positive non-pregnant women and titration of HTLV-I Ab in sera undertaken. Cultured PBL were stained by indirect inrmunofluorescence for detection of HTLV-I Ag expression. It was shown that 17-β estradiol (E2) increased HTLV-I Ab production and expression in cultured PBL from sero-positive women. These results suggest that pregnancy stirnulates the production of HTLV-I Ab in women infected with low concentrations of HTLV-I, but who appear sero-negative, and that this is the reason why some pregnant women tested positive even though they had tested negative during a prevlous pregnancy.
URI: http://hdl.handle.net/10564/225
ISSN: 13450069
Appears in Collections:Vol.55 No.2

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