Increased fetal hemoglobin levels in patients infected with human immunodeficiency virus (HIV1/2)
Fetal hemoglobin was measured in HIV1/2 patients under treatment with combined therapy (zidovudine and a protease inhibitor). A total of 143 patients and 103 normal individuals were investigated by the quantitative method of Betke and the semi-quantitative acid elution method of Kleihauer. In the normal person, hemoglobin F makes up less than 1% and an increase higher than 1.5% was observed in 21.4% of HIV patients by the method of Betke and in 24.8% of HIV-infected patients by the method of Kleihauer. The quantitative biochemical method of Betke showed that the populations were significantly different (two-tailed Mann-Whitney test). The reason for this hemoglobin F increase might be ascribed to the effect of zidovudine or to direct viral action on gamma chain expression. The finding of a higher F cell frequency indicated by the method of Kleihauer rather suggests that there is an increased F cell clone proliferation rather than an increase in hemoglobin F level in every cell.
Main Authors: | Poli-Neto,A., Nonoyama,K., Oshiro,M., Ebner-Filho,W., Miguita,K., Medeiros,T.M.D., Watanabe,C.I., Barretto,O.C.O. |
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Format: | Digital revista |
Language: | English |
Published: |
Associação Brasileira de Divulgação Científica
2000
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2000001100008 |
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