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Brown snake (Pseudonaja spp.)-induced early cardiovascular collapse is a life-threatening medical emergency in Australia. We have previously shown that this effect can be mimicked in animals and is mediated via the release of endogenous mediators. In the present study, we aimed to purify and characterize the component in Pseudonaja textilis venom which induces cardiovascular collapse following envenoming...
This study describes the characterization of oxylepitoxin-1 (MW 6789), the first postsynaptic neurotoxin isolated from the venom of the Inland taipan (Oxyuranus microlepidotus), which is the most venomous snake in the world. Oxylepitoxin-1, purified using successive steps of size-exclusion and reverse phase-high performance liquid chromatography, produced concentration-dependent (0.3–1.0μM) inhibition...
Envenoming by the Stephen's banded snake (Hoplocephalus stephensi) is not usually characterised by neurotoxicity. The present study describes the pharmacological characterisation of hostoxin-1 (MW 6660Da), the first neurotoxin to be isolated from the venom of the Stephen's banded snake. Hostoxin-1 (0.3–1.0μM) caused concentration-dependent inhibition of indirect twitches of the chick biventer cervicis...
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