Results 91 to 100 of about 3,231 (233)

Widespread vulnerability of Malagasy predators to the toxins of an introduced toad [PDF]

open access: yes, 2018
Invasive species are a key factor contributing to the global decline of biodiversity, and understanding the underlying mechanisms is crucial to mitigate detrimental effects [1].
Andreone, Franco   +8 more
core   +1 more source

In Vitro Cytotoxic Potential and Apoptotic Activity of Bufadienolide-rich Fraction from Leaves of Kalanchoe mortagei against Human HeLa Cancer Cells

open access: yesInternational journal of Ayurvedic medicine, 2018
Objective: The aim of this study was to evaluate the chemical composition as well as to assess the cytotoxicity of Kalanchoe mortagei. Materials and Methods: The plant chemical composition was determined by HPLC coupled to mass spectrometer.
Fátima Solís Suárez   +3 more
semanticscholar   +1 more source

Taraxasterol Acetate From Taraxacum officinale Ameliorates Dextran Sulfate Sodium–Induced Ulcerative Colitis in Mice in Association With Changes of the Metabolism and Structure of Gut Microbiota

open access: yesFood Frontiers, Volume 6, Issue 2, Page 891-908, March 2025.
1. This study is the first to demonstrate the anti‐ulcerative colitis efficacy of Taraxasterol acetate (TSA) and its superiority over Taraxacum officinale extract. 2. The mechanism of TSA against ulcerative colitis was explained from the perspective of gut microbiota and metabolome. 3.
Li Jin   +8 more
wiley   +1 more source

Epoxyscillirosidine Induced Cytotoxicity and Ultrastructural Changes in a Rat Embryonic Cardiomyocyte (H9c2) Cell Line

open access: yesToxins, 2019
Moraea pallida Bak. (yellow tulp) poisoning is the most important cardiac glycoside-induced intoxication in ruminants in South Africa. The toxic principle, 1α, 2α-epoxyscillirosidine, is a bufadienolide. To replace the use of sentient animals in toxicity
Hamza Ibrahim Isa   +3 more
doaj   +1 more source

Isolation and identification of endophytic fungi from Urginea indica, a medicinal plant from diverse regions of south India. [PDF]

open access: yes, 2015
Endophytic fungi isolated from four different populations of Urginea indica are reported in the present report,. The plants were collected from 4 dif erent localities which includes Seethampundi (Tamil Nadu), Yediyur (Karnataka), Allepy (Kerala) and ...
Mohana, B.   +2 more
core  

Cinobufagin, a bufadienolide, activates ROS-mediated pathways to trigger human lung cancer cell apoptosis in vivo

open access: yes, 2017
Lung cancer, as the most common malignancy worldwide, is one of the most threatening diseases for human beings. Chan Su, an ethanolic extract from skin and parotid venom glands of the Bufo bufo gargarizans Cantor, is widely used as a traditional Chinese ...
Panli Peng   +5 more
semanticscholar   +1 more source

Chemical Warfare Through the Ages: A Systematic Review From Antiquity to the Present

open access: yesJournal of Toxicology, Volume 2025, Issue 1, 2025.
Chemical warfare means the use of chemical agents that have direct toxic effects on animals, plants and humans, as weapons. The first documented use of a chemical agent for warfare purposes occurred in ancient times around 10,000 BCE in South Africa when weapons were dipped in chemicals and then used to attack and defend from enemies.
Damian Alexander Honeyman   +4 more
wiley   +1 more source

Activity of Bryophyllum pinnatum S. Kurz extracts on respiratory tract pathogenic bacteria [PDF]

open access: yes, 2010
Ethanol extract of Bryophyllum pinnatum (commonly known as ‘Shuka halinka’ or ‘Karan masallachi’ in Hausa) (BP1) was partitioned into n-hexane, chloroform, ethyl acetate and aqueous methanol soluble fractions and labeled BP1–01, BP1–02, BP1–03 and BP1–04
Ibrahim, H, Mudi, SY
core   +2 more sources

Gamabufotalin, a major derivative of bufadienolide, inhibits VEGF-induced angiogenesis by suppressing VEGFR-2 signaling pathway

open access: yesOncoTarget, 2015
Gamabufotalin (CS-6), a main active compound isolated from Chinese medicine Chansu, has been shown to strongly inhibit cancer cell growth and inflammatory response. However, its effects on angiogenesis have not been known yet.
Ning Tang   +13 more
semanticscholar   +1 more source

Ethnomedicinal Survey of Plants Used for Treatment of Mild COVID‐19‐Related Symptoms in Gorontalo Province, Indonesia

open access: yesScientifica, Volume 2025, Issue 1, 2025.
This study aims to document plant species used to fight several diseases related to mild COVID‐19 symptoms such as cough, colds, fever, dizziness and diarrhoea in Gorontalo Province, eastern Indonesia. Data were collected from 105 local residents using semistructured questionnaires, open interviews and field surveys.
Wiwied Ekasari   +5 more
wiley   +1 more source

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