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Fenugreek Leaf Extract and Its Gel Formulation Show Activity Against Malassezia furfur.

ABSTRACT: Malassezia spp. are commensal yeasts that can cause cutaneous ailments such as dandruff and seborrheic dermatitis. We sought to develop a cost-effective, herbal formulation for the treatment of cutaneous ailments related to Malassezia spp. Aqueous and ethanolic extracts of fenugreek (Trigonellafoenum-graecum L.) leaves exhibited activity against a clinical isolate and commercial strain of Malassezia furfur. The extracts were also found to be active against other pathogenic fungi such as Aspergillus niger and Candida albicans. Qualitative and quantitative phytochemical evaluation of aqueous extract showed a predominant presence of flavonoids apart from alkaloids, saponins, carbohydrates, phenols, and proteins. Gel formulation of 30% aqueous fenugreek leaf extract was developed and optimized using sodium alginate as a gelling agent. The formulation showed good physicochemical characteristics and retained activity against M. furfur during 3-month accelerated stability studies. Furthermore, the developed herbal gel formulation did not show any irritation or sensitization in New Zealand rabbits after topical application, proving its cutaneous safety. Thus, topical gel formulation containing fenugreek leaf aqueous extract could be a safe and effective herbal treatment for various cutaneous fungal infections, including dandruff.

SUBMITTER: Kulkarni M

PROVIDER: S-EPMC6998042 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Fenugreek Leaf Extract and Its Gel Formulation Show Activity Against Malassezia furfur.

Kulkarni Madhur M Hastak Vishakha V Jadhav Vitthal V Date Abhijit A AA

Assay and drug development technologies 20190916 1

Malassezia spp. are commensal yeasts that can cause cutaneous ailments such as dandruff and seborrheic dermatitis. We sought to develop a cost-effective, herbal formulation for the treatment of cutaneous ailments related to Malassezia spp. Aqueous and ethanolic extracts of fenugreek (Trigonellafoenum-graecum L.) leaves exhibited activity against a clinical isolate and commercial strain of Malassezia furfur. The extracts were also found to be active against other patho ...[more]

PMID: 31524496

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Project description:Malassezia species are important fungal skin commensals and are part of the normal microbiota of humans and other animals. However, under certain circumstances these fungi can also display a pathogenic behavior. For example, Malassezia furfur is a common commensal of human skin and yet is often responsible for skin disorders but also systemic infections. Comparative genomics analysis of M. furfur revealed that some isolates have a hybrid origin, similar to several other recently described hybrid fungal pathogens. Because hybrid species exhibit genomic plasticity that can impact phenotypes, we sought to elucidate the genomic evolution and phenotypic characteristics of M. furfur hybrids in comparison to their parental lineages. To this end, we performed a comparative genomics analysis between hybrid strains and their presumptive parental lineages and assessed phenotypic characteristics. Our results provide evidence that at least two distinct hybridization events occurred between the same parental lineages and that the parental strains may have originally been hybrids themselves. Analysis of the mating-type locus reveals that M. furfur has a pseudobipolar mating system and provides evidence that after sexual liaisons of mating compatible cells, hybridization involved cell-cell fusion leading to a diploid/aneuploid state. This study provides new insights into the evolutionary trajectory of M. furfur and contributes with valuable genomic resources for future pathogenicity studies. IMPORTANCEMalassezia furfur is a common commensal member of human/animal microbiota that is also associated with several pathogenic states. Recent studies report involvement of Malassezia species in Crohn's disease, a type of inflammatory bowel disease, pancreatic cancer progression, and exacerbation of cystic fibrosis. A recent genomics analysis of M. furfur revealed the existence of hybrid isolates and identified their putative parental lineages. In this study, we explored the genomic and phenotypic features of these hybrids in comparison to their putative parental lineages. Our results revealed the existence of a pseudobipolar mating system in this species and showed evidence for the occurrence of multiple hybridization events in the evolutionary trajectory of M. furfur. These findings significantly advance our understanding of the evolution of this commensal microbe and are relevant for future studies exploring the role of hybridization in the adaptation to new niches or environments, including the emergence of pathogenicity.

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Fenugreek Leaf Extract and Its Gel Formulation Show Activity Against Malassezia furfur.

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Fenugreek Leaf Extract and Its Gel Formulation Show Activity Against <i>Malassezia furfur</i>.

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