Results 221 to 230 of about 14,350 (269)
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Snapshots of scorpion venomics
Journal of Arid Environments, 2015Scorpions are particularly well adapted to survival in extreme habitats (especially arid and semi-arid environments) and their ability to produce and deliver venoms is an important factor in this success. Scorpion venoms are very complex mixtures of different proteins and peptides.
Mohamed A. Abdel-Rahman +2 more
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Physiological Action of Scorpion Venom
The American Journal of Tropical Medicine and Hygiene, 1960Summary Venom of the scorpion, Centruroides sculpturatus Ewing, caused hypertension, respiratory failure, and skeletal muscle stimulation in anesthetized animals. No significant action of the venom was found on isolated skeletal muscle preparations.
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Venom of the Scorpion Vejovis spinigerus
Science, 1968The chemical composition of lyophilized venom from Vejovis spinigerus is reported. At least 13 distinct bands were obtained on disc electrophoresis; on Sephadex G-50, four major peaks were found. The lethal activity was associated with the second peak.
F E, Russell, C B, Alender, F W, Buess
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Scorpion Venom Peptides without Disulfide Bridges
IUBMB Life (International Union of Biochemistry and Molecular Biology: Life), 2005Several hundred disulfide-bridged neurotoxic peptides have been characterized from scorpion venom; however, only few scorpion venom peptides without disulfide bridges have been identified and characterized. These non-disulfide-bridged peptides (NDBPs) are a novel class of molecules because of their unique antimicrobial, immunological or cellular ...
Xian-Chun, Zeng +2 more
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An Immunological Evaluation of Scorpion Venoms
The American Journal of Tropical Medicine and Hygiene, 1962Summary Studies have been presented on the interrelationships existing between scorpion venoms and antisera prepared against these venoms. Experiments designed to demonstrate reactivity of a number of venom samples representing Families Buthidae and Vejovidae have shown that a large number of antigenic fractions are shared among members of both of ...
J M, POTTER, W T, NORTHEY
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Anticoagulants from Scorpion Venoms
2010Venom from at least six distinct families of scorpion: Buthidae, Caraboctonidae, Iuridae, Ischnuridae, Scorpionidae and Vejovidae are known to contain many pharmacologically active peptides and some proteins involved in coagulation. The list of such compounds is increasing with time and newly described cases.
N.A. Valdez-Cruz +3 more
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Toxicology and Applied Pharmacology, 1996
The immunoreactivity and pharmacokinetics of a new horse F(ab')2 scorpion antivenom and its effect on Buthus occitanus mardochei venom plasma disposition in the rabbit were studied. The scorpion venom-specific F(ab')2 affinity constant determined by immunoradiometric assay was 1.6 +/- 0.6 10(8) M-1. One group received a F(ab')2 bolus dose of 9.57 mg.kg-
S, Pépin-Covatta +4 more
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The immunoreactivity and pharmacokinetics of a new horse F(ab')2 scorpion antivenom and its effect on Buthus occitanus mardochei venom plasma disposition in the rabbit were studied. The scorpion venom-specific F(ab')2 affinity constant determined by immunoradiometric assay was 1.6 +/- 0.6 10(8) M-1. One group received a F(ab')2 bolus dose of 9.57 mg.kg-
S, Pépin-Covatta +4 more
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Venomous snake bites, scorpions, and spiders
2014Neurologic dysfunction due to natural neurotoxins is an important, but neglected, public health hazard in many parts of the world, particularly in the tropics. These toxins are produced by or found among a variety of live forms that include venomous snakes, arthropods such as scorpions, spiders, centipedes, stinging insects (Hymenoptera), ticks ...
S A M, Kularatne, Nimal, Senanayake
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Distribution of scorpion venom in locusts
Journal of Insect Physiology, 1965Abstract Redissolved freeze dried venom of Leiurus quinquestriatus H. & E. was labelled with I131, and injected into adults of Locusta migratoria migratorioides R. & F. which were dissected at intervals of 5 min to 216 hr following injection.
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