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Predicate | Object |
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rdf:type | |
lifeskim:mentions |
umls-concept:C0018787,
umls-concept:C0026809,
umls-concept:C0034693,
umls-concept:C0034721,
umls-concept:C0042479,
umls-concept:C0086418,
umls-concept:C0205314,
umls-concept:C0205409,
umls-concept:C0206293,
umls-concept:C0327504,
umls-concept:C0679622,
umls-concept:C1280500,
umls-concept:C1305923,
umls-concept:C1521827
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pubmed:issue |
6
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pubmed:dateCreated |
1988-11-15
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pubmed:abstractText |
A new cardiotoxic polypeptide isolated from the venom of the snake Atractaspis engaddensis has an LD50 of 15 micrograms/kg body weight in white mice. Intravenous administration in mice of lethal doses of the toxin causes, within seconds, marked changes in the ECG, consisting primarily of a transient slope elevation of the S-T segment, a temporary diminution of the S-wave and an increase in the amplitudes of the R- and T-waves. Concomitantly, and apparently unrelated to these changes, a severe A-V block develops and leads to complete cardiac arrest within a few min. Studies with rat and human isolated heart preparations showed that the toxin exerts a powerful coronary vasoconstriction (rats), and positive inotropic effects (rats and humans).
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:issn |
0041-0101
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
26
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
525-34
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:3176047-Animals,
pubmed-meshheading:3176047-Coronary Vessels,
pubmed-meshheading:3176047-Electrocardiography,
pubmed-meshheading:3176047-Heart,
pubmed-meshheading:3176047-Humans,
pubmed-meshheading:3176047-Male,
pubmed-meshheading:3176047-Mice,
pubmed-meshheading:3176047-Myocardial Contraction,
pubmed-meshheading:3176047-Peptides,
pubmed-meshheading:3176047-Rats,
pubmed-meshheading:3176047-Vasoconstriction,
pubmed-meshheading:3176047-Viper Venoms
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pubmed:year |
1988
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pubmed:articleTitle |
A novel cardiotoxic polypeptide from the venom of Atractaspis engaddensis (burrowing asp): cardiac effects in mice and isolated rat and human heart preparations.
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pubmed:affiliation |
Department of Zoology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Ramat Aviv, Israel.
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pubmed:publicationType |
Journal Article,
In Vitro,
Research Support, Non-U.S. Gov't
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