is traditionally used for the treatment of back pain, malaria, female sterility, chlamydiae infections, liver diseases, wounds, and hemorrhoid. This work aimed at investigating the bioactive compounds with antileishmanial and antiplasmodial activities from . An unreported glucocerebroside antroklaicerebroside () together with five known compounds (-) were isolated from the root barks of using chromatographic techniques. The NMR, MS, and IR spectroscopic data in association with previous literature were used for the characterization of all the isolated compounds. Compounds - are reported for the first time from The methanol crude extract (), the hexane fraction (), the dichloromethane fraction (), the ethyl acetate fraction (), and compounds - were all evaluated for their antiparasitic effects against strains susceptible to chloroquine (3D7), resistant to chloroquine (Dd2), and promastigotes of (MHOM/SD/62/1S). The , , , and compound were strongly active against Dd2 strain with IC ranging from 2.78 ± 0.06 to 9.30 ± 0.29 µg/mL. Particularly, was the most active-more than the reference drugs used-with an IC of 2.78 ± 0.06 µg/mL. The as well as all the tested compounds showed strong antileishmanial activities with IC ranging from 4.80 ± 0.13 to 9.14 ± 0.96 µg/mL.
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http://dx.doi.org/10.3390/molecules28062730 | DOI Listing |
Handb Exp Pharmacol
March 2024
Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Academy of Marine Sciences, Guangxi Academy of Sciences, Nanning, Guangxi, China.
Parasitic diseases including malaria, leishmaniasis, and trypanosomiasis have received significant attention due to their severe health implications, especially in developing countries. Marine natural products from a vast and diverse range of marine organisms such as sponges, corals, molluscs, and algae have been found to produce unique bioactive compounds that exhibit promising potent properties, including antiparasitic, anti-Plasmodial, anti-Leishmanial, and anti-Trypanosomal activities, providing hope for the development of effective treatments. Furthermore, various techniques and methodologies have been used to investigate the mechanisms of these antiparasitic compounds.
View Article and Find Full Text PDFActa Trop
March 2024
Institute for Advanced Studies of Ocean, São Paulo State University (UNESP), Rodovia Presidente Dutra Km 138, Eugênio de Melo, São José dos Campos 12247-004, Brazil; Institute of Science and Technology, São Paulo State University (UNESP), Rodovia Presidente Dutra Km 138, Eugênio de Melo, São José dos Campos 12247-004, Brazil. Electronic address:
Neglected tropical diseases (NTD) like Leishmaniasis and trypanosomiasis affect millions of people annually, while currently used antiprotozoal drugs have serious side effects. Drug research based on natural products has shown that microalgae and cyanobacteria are a promising platform of biochemically active compounds with antiprotozoal activity. These unicellular photosynthetic organisms are rich in polyunsaturated fatty acids, pigments including phycocyanin, chlorophylls and carotenoids, polyphenols, bioactive peptides, terpenes, alkaloids, which have proven antioxidant, antimicrobial, antiviral, antiplasmodial and antiprotozoal properties.
View Article and Find Full Text PDFHeliyon
December 2023
Department of Organic Chemistry, Faculty of Science, University of Yaoundé 1, P.O. Box 812, Yaoundé, Cameroon.
RSC Med Chem
December 2023
Drug Design and Synthesis Laboratory, Department of Chemistry, Jamia Millia Islamia New Delhi 110025 India +91 11 26985507 +91 9910200655.
Malaria is still a complex and lethal parasitic infectious disease, despite the availability of effective antimalarial drugs. Resistance of malaria parasites to current treatments necessitates new antimalarials targeting proteins. The present study reported the design and synthesis of a series of a 2-(4-substituted piperazin-1-yl)--(5-((naphthalen-2-yloxy)methyl)-1,3,4-thiadiazol-2-yl)acetamide hybrids for the inhibition of dihydrofolate reductase (DHFR) using computational biology tools followed by chemical synthesis, structural characterization, and functional analysis.
View Article and Find Full Text PDFBMC Complement Med Ther
December 2023
Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Kasr-El-Ainy Street, Cairo, 11562, Egypt.
Background: In the last few decades, the use of plant extracts and their phytochemicals as candidates for the management of parasitic diseases has increased tremendously. Irises are aromatic and medicinal plants that have long been employed in the treatment of different infectious diseases by traditional healers in many cultures. This study aims to explore the potential of three common Iris species (I.
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