Results 1 to 10 of about 2,320 (181)

Anti-Trypanosomal Bufadienolides from the Oocytes of the Toad Rhinella alata (Anura, Bufonidae) [PDF]

open access: yesMolecules, 2023
Amphibians are widely known as a prolific source of bioactive metabolites. In this work, we isolated and characterized compounds with antiparasitic activity from the oocytes of the toad Rhinella alata collected in Panama.
Candelario Rodriguez   +6 more
doaj   +2 more sources

Toad venom-derived bufadienolides and their therapeutic application in prostate cancers: Current status and future directions [PDF]

open access: yesFrontiers in Chemistry, 2023
Cancer is the second leading cause of death worldwide. Specially, the high incidence rate and prevalence of drug resistance have rendered prostate cancer (PCa) a great threat to men’s health.
Qingmei Ye   +4 more
doaj   +2 more sources

Development and validation of a spectrophotometric method for the quantification of total bufadienolides in samples of toad glandular secretions [PDF]

open access: yesJournal of Venomous Animals and Toxins including Tropical Diseases
Background: Bufadienolides are the main secondary metabolites found in the paratoid gland secretions (PGS) of toads of the Bufonidae family. These compounds are considered the main bioactive components of PGS.
Elcio Daniel Sousa Barros   +4 more
doaj   +2 more sources

3α-Hydroxybufadienolides in Bufo gallbladders: structural insights and biotransformation [PDF]

open access: yesNatural Products and Bioprospecting
Bufadienolides, naturally occurring steroids primarily found in toads, have garnered attention for their pharmacological properties and ecological significance.
Li-Jun Ruan   +2 more
doaj   +2 more sources

Isolation, Identification and Chemical Modification of Bufadienolides from Bufo melanostictus Schneider and Their Cytotoxic Activities against Prostate Cancer Cells [PDF]

open access: yesMolecules
The traditional Chinese medicine toad venom (Venenum bufonis) has been extensively used to treat various diseases, including cancers, in China and other Southeast Asian countries.
Qingmei Ye   +4 more
doaj   +2 more sources

Bufadienolides from Chansu Injection Synergistically Enhances the Antitumor Effect of Erlotinib by Inhibiting the KRAS Pathway in Pancreatic Cancer [PDF]

open access: yesPharmaceuticals
Background and Objectives: The Chansu injection (CSI), a sterile aqueous solution derived from Chansu, is applied in clinical settings to support antitumor and anti-radiation treatments.
Yanli Guo   +8 more
doaj   +2 more sources

Bufadienolide Penetration Through the Skin Membrane and Antiaging Properties of Kalanchoe spp. Juices in Dermal Applications [PDF]

open access: yesMolecules
Skin aging is accelerated by inflammation processes generated by oxidative stress and external factors such as UV radiation. Plants belonging to the genus Kalanchoe that are rich sources of antioxidants could potentially strengthen the skin barrier if ...
Anna Hering   +6 more
doaj   +2 more sources

Bioactive Compounds from Kalanchoe Genus Potentially Useful for the Development of New Drugs [PDF]

open access: yesLife, 2023
The genus Kalanchoe Adans. (Crassulaceae) is native to Madagascar and comprises 145 species, being naturalized in the tropics and cultivated worldwide.
Luana Beatriz dos Santos Nascimento   +2 more
doaj   +2 more sources

From Ethnomedicine to Plant Biotechnology and Machine Learning: The Valorization of the Medicinal Plant Bryophyllum sp. [PDF]

open access: yesPharmaceuticals, 2020
The subgenus Bryophyllum includes about 25 plant species native to Madagascar, and is widely used in traditional medicine worldwide. Different formulations from Bryophyllum have been employed for the treatment of several ailments, including infections ...
Pascual García-Pérez   +3 more
doaj   +3 more sources

Comparative MS- and NMR-Based Metabolome Mapping of Egyptian Red and White Squill Bulbs F. Liliaceae and in Relation to Their Cytotoxic Effect [PDF]

open access: yesPlants, 2023
Urginea maritima L. (squill) species is widely spread at the Mediterranean region as two main varieties, i.e., white squill (WS) and red squill (RS), that are recognized for several health potentials.
Omar M. Khattab   +5 more
doaj   +2 more sources

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