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International Journal of Fauna and Biological Studies

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e-ISSN : 2347-2677, p-ISSN : 2394-0522

International Journal of Fauna and Biological Studies

International Journal of Fauna and Biological Studies

2016, Vol. 3 Issue 2, Part B

In vitro and in vivo efficacy of combination therapy using Allium sativum and Aloe secundiflora against Leishmania major infected BALB/c mice

Author(s):

Kituyi Christine Nasimiyu, Ndeti Cosmas Muia, Maina Geoffrey, Mong’are Samuel, Ingonga Johnstone, Nyambati Venny, Anjili Christopher Omukhango

Abstract:
Allium sativum andrnAloe secundiflora water extracts have antileishmanial activities. In thernpresent study, the efficacy of combination therapy using A. sativum andrnA. secundiflora against L. major was studied bothrnintraperitoneally and orally. The standard drug pentostam and phosphaternbuffered saline were used as positive and negative controls. T-test and ANOVArnwere used for data analysis and P-value of < 0.05 was consideredrnsignificant. Plant materials were dried, ground soaked in water at 80 oCrnfor 1 hour, filtered then freeze dried. The minimum inhibitory concentrationsrnof aqueous extracts of A. secundiflora and A. sativum were 2000rnμg/ml and 5000 μg/ml and IC50 were 467.09μg/ml andrn457.88μg/ml respectively. The IC50 for their combination atrnratio (1:1) was 391.79 μg/ml as compared to minimum inhibitoryrnconcentrations of 12.5μg/ml and IC50 of 108.58μg/ml forrnpentostam. The combination therapy had Infection rate of 17% and multiplicationrnindex of 48.65% compared to pentostam (IR=21% and MI=11.64%). The combinationrntherapy reduced the footpad lesion size significantly (P<0.05) likernthe pentostam control drug and no significant nitric oxide stimulated. The oralrnand intraperitoneal combination treatment reduced spleen amastigotes in mice byrn55.48% and 64.13% corresponding to total LDUs of 18.23±0.90and 14.69±1.33rnrespectively compared to pentostam 94.58% and LDU of 2.22±0.13. The combinationrntherapy was less toxic, effective against L. major parasite, reducedrnlesion size significantly, reduced spleen parasite load significantly but didrnnot prevent visceralization.

Pages: 102-108  |  1112 Views  77 Downloads

How to cite this article:
Kituyi Christine Nasimiyu, Ndeti Cosmas Muia, Maina Geoffrey, Mong’are Samuel, Ingonga Johnstone, Nyambati Venny, Anjili Christopher Omukhango. In vitro and in vivo efficacy of combination therapy using Allium sativum and Aloe secundiflora against Leishmania major infected BALB/c mice. Int. J. Fauna Biol. Stud. 2016;3(2):102-108.
International Journal of Fauna and Biological Studies