International Journal of Anatomy and Physiology
International Journal of Anatomy and Physiology ISSN 2326-7275 Vol. 9 (5), pp. 001-005, May, 2020. © International Scholars Journals
Full Length Research Paper
Glutathione S-transferase activity of erythrocyte genotypes HbAA, HbAS and HbSS in male volunteers administered with fansidar and quinine
P. C. Chikezie1*, A. A. Uwakwe2 and C. C. Monago2
1Department of Biochemistry, Imo State University, Owerri, Imo State, Nigeria.
2Department of Biochemistry, University of Port-Harcourt, Port-Harcourt, Rivers State, Nigeria.
Accepted 18 May, 2020
In vivo investigations were carried out to ascertain the comparative levels of erythrocyte GST activity between non-malarious and malarious male subjects of HbAA, HbAS and HbSS erythrocyte genotypes, administered with fansidar and quinine. The incubation of human erythrocytes with 1-chloro-2,4-dinitrobenzene (CDNB) resulted in almost quantitative conjugation of glutathione (GSH) to form S-(2,4-dinitrophenyl) glutathione, determination of GST activity was carried out at 0 h and after 3, 6 and 18 h, 2 antimalarial drugs (Fansidar and quinine) were administered to the volunteers. The control values of non-malarious and malarious individuals ranged between (3.27 to 12.50 iu/gHb) and (2.75 to 12.21 iu/gHb) respectively. Erythrocyte GST activity was significantly (p < 0.05) lower in P. falciparum infected red cells compared to normal ones, except parasitized male HbSS erythrocytes. Generally, the pattern of in vivo erythrocyte GST activity in the presence of the 2 antimalarial drugs showed 2 phase profile. The first stage showed decreasing levels of relative GST activity within approximate time range 6 h after the drugs were administered to the volunteers. The second phase showed recovery of erythrocyte GST activity (6 - 18 h approx.) from the inhibitory effects of the drugs.
Key words: Glutathione S-transferase (GST) activity, erythrocytes, fansidar, quinine, 1-chloro-2, 4-dinitroben-zene (CDNB).
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