Leishmanicidal Activity of Plant Extracts from Sefrou, a Moroccan Focus of Leishmaniasis, against Various Leishmania Parasites in the Promastigote Stage

2018 ◽  
Vol 17 (2) ◽  
pp. 83-89 ◽  
Author(s):  
I. Zeouk ◽  
A. Et-Touys ◽  
M. Balouiri ◽  
H. Fellah ◽  
A. El Ouali Lalami ◽  
...  

According to the World Health Organization, leishmaniasis remains a major worldwide public health problem. The province of Sefrou located in the center of Morocco is a focus of cutaneous leishmaniasis. The present study aims at evaluating the antileishmanial potential of Berberis sp.,Crataegus oxyacantha, Cistus salviifolius, Ephedra altissima and Lavandula dentatafrequently used by the local population. Methanolic extracts were tested against the promastigote form ofLeishmania tropica, Leishmania majorandLeishmania infantumusing tetrazolium-based colorimetric (MTT) assay. The total phenol and flavonoids content of all extracts were determined using the Folin–Ciocalteu reagent, aluminum chloride, and potassium acetate solutions respectively. The plant extracts exhibited antileishmanial activity with variability depending on the tested strain and the plant species compared to Glucantime® used as control (IC50 (the half maximal inhibitory concentration) > 1,000 μg/mL). The best inhibition was observed with Berberis sp., againstLeishmania major(IC50 = 394.40 ± 3.02 μg/ml), andEphedra altissima(reported for the first time) againstLeishmania infantum(IC50 = 490.84 ± 3.15 μg/mL).Leishmania tropicahas shown the same sensitivity behavior toward the five extracts (in average IC50 = 540 ± 11.20 μg/mL). The total phenolic content was higher forCrataegus oxyacanthaandCistus salviifolius(140.67 ± 3.17 μg eq Gallic Acid (GA)/ mg of Extract (E) and 133.83 ± 9.03 μg eq GA/mg of E respectively), while flavonoid was higher forCistus salviifoliusandLavandula dentata(57.92 ± 2.46 μg eq Quercetin (Que)/ mg of Extract (E) and 41.53 ± 1.74 μg eq Que/mg of E). All the tested extracts present some promising aspects that may cure cutaneous leishmaniasis in the center of Morocco; further bioguided assays are needed to isolate the fractions and the bioactive molecule.

2018 ◽  
Vol 18 (3-4) ◽  
pp. 187-194
Author(s):  
I. Zeouk ◽  
A. El Ouali Lalami ◽  
Y. Ezzoubi ◽  
K. Derraz ◽  
M. Balouiri ◽  
...  

Sefrou city, located in the center of Morocco, is a focus of cutaneous leishmaniasis which constitutes a major public health problem. The majority of the rural local population resorts to herbal medicine to cure this parasitic disease. The aim of this study, which has never been undertaken in Sefrou area, was to document the list of medicinal plants used for treating cutaneous leishmaniasis and to verify if their leishmanicidal activity is mentioned in the literature. The current ethnopharmacological study was conducted using a questionnaire based on informations about anti-cutaneous eruption plants used by the local population and prescribed by the herbalists. The present work has taken into consideration the representation of the plant name (local and scientific), the used part, the mode of preparation and administration. A total of 17 plant species belonging to 12 families were mentioned: the Lamiaceae family was the most represented (29.4%) with 5 species, followed by the Myrtaceae family (11.8%) with 2 species. For the rest of the 10 families, they were represented with the same percent (5.9%) which means one species per family. According to the calculated frequency index (FI), the most recommended species were the following: Lavandula dentata (FI = 93.75%), Berberis hispanica (FI = 87.5%), Cistus salviifolius (IF = 87.5%), Crataegus oxyacantha (FI = 81.25%), and Ephedra altissima (FI = 75%). Leaves (29.4%) and flowers (23.5%) were the favored used parts. Decoction (58.82 %) was the most frequently used method to prepare remedies which are taken externally (64.7%). These medicinal plants can be a source of natural leishmanicidal drugs – some of them have already been confirmed experimentally in the bibliography. More indepth investigations must be undertaken to assess the antileishmanial potential of the inventoried plants.


2020 ◽  
Vol 13 (12) ◽  
pp. 2112
Author(s):  
Rana El Hajj ◽  
Hanady Bou Youness ◽  
Laurence Lachaud ◽  
Patrick Bastien ◽  
Carine Masquefa ◽  
...  

2008 ◽  
Vol 94 (3) ◽  
pp. 743-749 ◽  
Author(s):  
Alexa C. Rosypal ◽  
Karl A. Werbovetz ◽  
Manar Salem ◽  
Chad E. Stephens ◽  
Arvind Kumar ◽  
...  

2018 ◽  
Vol 12 (11) ◽  
pp. e0006854 ◽  
Author(s):  
Rana El Hajj ◽  
Hanady Bou Youness ◽  
Laurence Lachaud ◽  
Patrick Bastien ◽  
Carine Masquefa ◽  
...  

2008 ◽  
Vol 94 (3) ◽  
pp. 743 ◽  
Author(s):  
Alexa C. Rosypal ◽  
Karl A. Werbovetz ◽  
Manar Salem ◽  
Chad E. Stephens ◽  
Arvind Kumar ◽  
...  

2017 ◽  
Vol 10 (1) ◽  
Author(s):  
Mohamed Echchakery ◽  
Carmen Chicharro ◽  
Samia Boussaa ◽  
Javier Nieto ◽  
Eugenia Carrillo ◽  
...  

2020 ◽  
Author(s):  
Abdullah D Alanazi ◽  
Abdulazi S Alouffi S Alouffi ◽  
Mohamed S Alyousif S Alyousif ◽  
Abdulsadah A Rahi ◽  
Magda A Ali ◽  
...  

Abstract Background: Leishmania major and Leishmania tropica cause cutaneous leishmaniasis in humans and dogs in several parts of the world, with a large number of cases recorded in the Middle East. However, when occurring in sympatry, the role of each species of Leishmania in the epidemiology of cutaneous leishmaniasis (CL) is not clear. Methods: To determine the prevalence and to identify the species of Leishmania that infects humans and stray dogs in Riyadh and Al-Qassim (Saudi Arabia), 311 stray dogs and 27 human patients, suspected for Leishmania, were examined for CL by a nested PCR (nPCR).Results: Nested PCR (nPCR) detected seven patients (25.9%) positive for cutaneous leishmaniasis. Five patients from Riyadh were infected by L. major and two from Al-Qassim by L. tropica. In addition, five dogs (1.6%) were infected by L. tropica. Conclusions: This is one of the first molecular studies of leishmaniasis from Saudi Arabia. The relationship between the sand fly vectors and the reservoirs of both Leishmania spp. is still scarcely known in this region, and further epidemiological investigations of domestic and wild canids infected with L. major and L. tropica are needed towards a control and prevention of the infection in canine and human populations.


2020 ◽  
Author(s):  
Abdullah D Alanazi ◽  
Abdulazi S Alouffi S Alouffi ◽  
Mohamed S Alyousif S Alyousif ◽  
Abdulsadah A Rahi ◽  
Magada A Ali ◽  
...  

Abstract Background: Leishmania major and Leishmania tropica cause cutaneous leishmaniasis in humans and dogs in several parts of the world, with a large number of cases recorded in the Middle East. However, when occurring in sympatry in the same area, the role of each species in the epidemiology of cutaneous leishmaniasis is not clear.Methods: To determine the prevalence and to identify the species of Leishmania that infect humans and stray dogs in Riyadh and Al-Qaseem (Saudi Arabia), blood samples were collected from stray dogs (n = 311) and human patients (n = 27). A conventional PCR coupled with a nested PCR (n PCR) were applied in this study.Results: A conventional PCR coupled with a nested PCR (n PCR) showed that seven patients (25.9%) from Riyadh city and Al-Qaseem province were infected by L. major and L. tropica and five dogs (1.6%) by L. tropica.Conclusions: This is one of the first molecular studies of leishmaniasis from Saudi Arabia. The relationship between the sand fly vectors and the reservoirs of both Leishmania spp. is still scarcely known in this region, and further epidemiological investigations of domestic and wild canine infected with L. major and L. tropica are needed towards a control and prevention of the infection in canine and human populations.


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