Results 31 to 40 of about 13,388 (229)

Spider venom administration impairs glioblastoma growth and modulates immune response in a non-clinical model. [PDF]

open access: yes, 2020
Molecules from animal venoms are promising candidates for the development of new drugs. Previous in vitro studies have shown that the venom of the spider Phoneutria nigriventer (PnV) is a potential source of antineoplastic components with activity in ...
Barreto, Natália   +12 more
core   +1 more source

The influence of camouflage and prey type on predatory decisions of jumping spider [PDF]

open access: yes, 2013
Decisions made by predators during predatory encounters are often based on multiple factors that may influence the outcome of the encounters. For stalking predators their visibility to the prey and the ability of their prey to escape may be important ...
Bartos Maciej
core   +2 more sources

The Northern Widow Spider, Latrodectus Variolus (Araneae: Theridiiae), in Michigan [PDF]

open access: yes, 2017
Until recently the species of widow spider occurring in Michigan was considered a variant of the black widow, Latrodectus mactans (Fabricius). Levi (1959) summarized and revised the worldwide genus Latrodectus, placing the southern areas of Illinois ...
Wilson, Louis F
core   +3 more sources

ATP Released by Injured Neurons Activates Schwann Cells [PDF]

open access: yes, 2016
Injured nerve terminals of neuromuscular junctions (NMJs) can regenerate. This remarkable and complex response is governed by molecular signals that are exchanged among the cellular components of this synapse: motor axon nerve terminal (MAT ...
Cesare eMontecucco   +8 more
core   +2 more sources

A Novel Insecticidal Spider Peptide that Affects the Mammalian Voltage-Gated Ion Channel hKv1.5

open access: yesFrontiers in Pharmacology, 2021
Spider venoms include various peptide toxins that modify the ion currents, mainly of excitable insect cells. Consequently, scientific research on spider venoms has revealed a broad range of peptide toxins with different pharmacological properties, even ...
Diana Alvarado   +13 more
doaj   +1 more source

Recent Advances in Research on Widow Spider Venoms and Toxins

open access: yesToxins, 2015
Widow spiders have received much attention due to the frequently reported human and animal injures caused by them. Elucidation of the molecular composition and action mechanism of the venoms and toxins has vast implications in the treatment of ...
Shuai Yan, Xianchun Wang
doaj   +1 more source

A game demonstrating aspects of bumblebee natural history [PDF]

open access: yes, 2004
The Bumblebee Game is an exciting outdoor game, which demonstrates aspects of bumblebee natural history including food chains, food webs and competition for food, predation by crab spiders, parasitism by Conopidae (Diptera) and brood parasitism by ...
Westgarth-Smith, AR
core   +1 more source

Heterophilic antibodies in sera from individuals without loxoscelism cross-react with phospholipase D from the venom of Loxosceles and Sicarius spiders

open access: yesJournal of Venomous Animals and Toxins including Tropical Diseases, 2018
Background Loxoscelism is a severe human envenomation caused by Loxosceles spider venom. To the best of our knowledge, no study has evaluated the presence of antibodies against Loxosceles venom in loxoscelism patients without treatment with antivenom ...
Tomás Arán-Sekul   +8 more
doaj   +1 more source

A Novel Hyaluronidase from Brown Spider (Loxosceles intermedia) Venom (Dietrich's Hyaluronidase): From Cloning to Functional Characterization [PDF]

open access: yes, 2013
Loxoscelism is the designation given to clinical symptoms evoked by Loxosceles spider's bites. Clinical manifestations include skin necrosis with gravitational spreading and systemic disturbs. the venom contains several enzymatic toxins.
Chaim, Olga Meiri   +9 more
core   +4 more sources

A roadmap to the enzymes from spider venom: biochemical ecology, molecular diversity, and value for the bioeconomy

open access: yesFrontiers in Arachnid Science
Spiders are ancient and highly successful predators, which use venom for both predation and defense. Their venoms are complex mixtures of potent biological molecules, emerging as a prolific source of biomolecular innovation in agriculture, biomedicine ...
Josephine Dresler   +14 more
doaj   +1 more source

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