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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-5996
Vol. 13, No. 12, 2014, pp. 2047-2055
Bioline Code: pr14283
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 13, No. 12, 2014, pp. 2047-2055

 en Antileishmanial Activity of Selected Turkish Medicinal Plants
Ozbilgin, Ahmet; Durmuskahya, Cenk; Kayalar, Husniye; Ertabaklar, Hatice; Gunduz, Cumhur; Ural, Ipek Ostan; Zeyrek, Fadile; Kurt, Ozgur; Cavus, Ibrahim; Balcýoglu, Cuneyt; Toz, Seray Ozensoy & Ozbel, Yusuf


Purpose: To determine the in vitro and in vivo anti-leishmanial activities of extracts obtained from Centaurea calolepis check for this species in other resources , Phlomis lycia, Eryngium thorifolium check for this species in other resources , Origanum sipyleum and Galium incanum check for this species in other resources ssp. centrale.
Methods: To estimate the cytotoxicity of plant extracts, WST-1 assay was used. Parasite inhibition in the presence of plant extracts (25 - 500 μg/ml) in comparision with control group and reference group (glucantime, 25 μg/ml) at 12 - 72 h were determined in vitro on L. tropica promastigotes. The in vivo leishmanicidal activity of the extracts was evaluated against L. tropica-infected mice with glucantime as reference drug.
Results: The chloroform extract of Galium incanum ssp. centrale showed the highest cytotoxicity with IC50 value of 0.0316 ± 0.005 μg/ml. In vitro parasite inhibition by the plant extracts ranged between 16.7 ± 0.01 % and 100 ± 0.00 % at 25 μg/ml concentration. The methanol extract of Eryngium thorifolium possessed the highest activity on promastigotes of L. tropica with 100 % inhibition at 25 μg/ml. The water and chloroform extracts of C. calolepis and water and methanol extracts of E. thorifolium at a dose of 100 mg/kg reduced parasitaemia in L. tropica infected mice.
Conclusion: Parasite viability results suggest that the methanol extract of Eryngium thorifolium, regarded as non-cytotoxic, is a promising candidate drug for treating L. tropica infection.

Leishmaniasis; Leishmania tropica; Eryngium thorifolium; Promastigote; WI-38 Human fibroblasts

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