Clinical Efficacy Associated with Enhanced Antioxidant Enzyme Activities of Silver Nanoparticles Biosynthesized Using Moringa oleifera Leaf Extract, Against Cutaneous Leishmaniasis in a Murine Model of Leishmania major

Leishmaniasis is one of the most significant vector-borne syndromes of individuals. This parasitic infection can be affected by many species of Leishmania, most of which are zoonotic. Natural products have made and are continuing to make important contributions to the search for new antileishmanial...

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Published in:International journal of environmental research and public health 2018-05, Vol.15 (5), p.1037
Main Authors: El-Khadragy, Manal, Alolayan, Ebtesam M, Metwally, Dina M, El-Din, Mohamed F Serag, Alobud, Sara S, Alsultan, Nour I, Alsaif, Sarah S, Awad, Manal A, Abdel Moneim, Ahmed E
Format: Article
Language:English
Subjects:
Amino acids
Animal models
Animals
Antileishmanial agents
Antioxidants
Antioxidants - therapeutic use
Biosynthetic Pathways
Cancer
Cutaneous leishmaniasis
Drugs
Enzymatic activity
Female
Flavonoids
Food
Infections
Leaves
Leishmania
Leishmania major
Leishmaniasis, Cutaneous - drug therapy
Lesions
Metal Nanoparticles - therapeutic use
Mice
Mice, Inbred BALB C
Moringa oleifera
Nanoparticles
Natural products
Oxidative stress
Parasites
Parasitic diseases
Plant extracts
Plant Extracts - therapeutic use
Plant Leaves
Random Allocation
Science
Silver
Silver - therapeutic use
Treatment Outcome
Tropical diseases
Vector-borne diseases
Zoology
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Summary:Leishmaniasis is one of the most significant vector-borne syndromes of individuals. This parasitic infection can be affected by many species of Leishmania, most of which are zoonotic. Natural products have made and are continuing to make important contributions to the search for new antileishmanial agents. The use of plants in the production assembly of silver nanoparticles has drawn attention because of its rapid, eco-friendly, non-pathogenic, economical protocol and provides a single step technique for the biosynthetic process. Hence, we aimed to biosynthesize silver nanoparticles (Ag-NPs) using leaf extract and investigated the antileishmanial activity of these nanoparticles in a murine model of infection. A total of 50 mice were used and divided into five groups-healthy control, infected, infected mice treated with pentostam, infected mice treated with Ag-NPs and infected mice pretreated with Ag-NPs. In the present study, the leaf extract of the plant species was found to be a good source for the synthesis of silver nanoparticles, their formation being confirmed by color change and stability in solution. In the present murine model of infection, we found that oral treatment with silver nanoparticles biosynthesized using extract resulted in a significant reduction in the average size of leishmaniasis cutaneous lesions compared with untreated mice. Furthermore, the clinical efficacy of extract was associated with enhanced antioxidant enzyme activities. In conclusion, treatment with silver nanoparticles biosynthesized using extract has higher and faster clinical efficacy than standard pentavalent antimonial treatment, probably by boosting the endogenous antioxidant activity.
ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph15051037