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Borek, E. et al.

Altered excretion of modified nucleosides and beta-aminoisobutyric acid in subjects with acquired immunodeficiency syndrome or at risk for acquired immunodeficiency syndrome.

Urinary excretion of modified nucleosides and beta-aminoisobutyric acid, subsequently referred to as markers, was determined in populations of patients with acquired immunodeficiency syndrome (AIDS) or at risk for development of AIDS. Our results show that asymptomatic adult male homosexuals excreted elevated amounts of markers as compared to male heterosexuals. This aberrant excretion was more pronounced in asymptomatic adult male homosexuals with antibodies to HTLV-III. Significantly greater excretion of 1-methylinosine, N4-acetylcytidine, and N2-methylguanosine was observed in asymptomatic adult male homosexuals with antibodies to HTLV-III than in asymptomatic male homosexuals without antibodies to HTLV-III. Increased amounts of markers were also excreted by subjects with the generalized or chronic lymphadenopathy syndrome, AIDS related complex (ARC), or AIDS. In these subjects, the most pronounced differences between groups were between subjects with chronic lymphadenopathy syndrome and those with ARC; subjects with ARC excreted greater amounts of seven of the ten urinary markers. There were few differences between subjects with ARC and those with AIDS, Kaposi's sarcoma, or AIDS with opportunistic infections. This observation may be useful for identifying subjects who are at risk of developing AIDS. A prospective study to test this hypothesis is under way.[1]

References

Altered excretion of modified nucleosides and beta-aminoisobutyric acid in subjects with acquired immunodeficiency syndrome or at risk for acquired immunodeficiency syndrome. Borek, E., Sharma, O.K., Buschman, F.L., Cohn, D.L., Penley, K.A., Judson, F.N., Dobozin, B.S., Horsburgh, C.R., Kirkpatrick, C.H. Cancer Res. (1986) [Pubmed]

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