Abstract:
INTRODUCTION:Crotalus envenomations cause serious complications and can be fatal without appropriate treatment. Venom isoforms present and inter/intraspecific variations in the venom composition can result in different symptoms presented by bites by snakes from the same species but from different geographical regions. We comparatively evaluated the local and systemic effects caused by Crotalus durissus terrificus (Cdt), C.d. collilineatus (Cdcolli), and C.d. cascavella (Cdcasc) envenomation. METHODS:Venom chromatography was performed. Proteolytic, phospholipase, and LAAO activities were analyzed. Edema, myotoxicity, hepatotoxicity, nephrotoxicity, and coagulation alterations were evaluated. RESULTS:The venom SDS-PAGE analyses found the presence of convulxin, gyroxin, crotoxin, and crotamine in Cdt and Cdcolli venoms. Crotamine was not present in the Cdcasc venom. Cdt, Cdcollli, and Cdcasc venoms had no proteolytic activity. Only Cdcasc and Cdt venoms had phospholipase activity. LAAO activity was observed in Cdcolli and Cdcasc venoms. Cdcolli and Cdcasc venoms caused 36.7% and 13.3% edema increases, respectively. Cdt venom caused a 10% edema induction compared to those by other venoms. All venoms increased TOTAL-CK, MB-CK, and LDH levels (indicating muscle injury) and ALT, AST, GGT, and ALP levels (markers of liver damage) and were able to induce a neuromuscular blockade. Urea and creatinine levels were also altered in both plasma and urine, indicating kidney damage. Only Cdcolli and Cdcasc venoms increased TAPP and TAP. CONCLUSIONS:Together, these results allow us to draw a distinction between local and systemic effects caused by Crotalus subspecies, highlighting the clinical and biochemical effects produced by their respective venoms.
journal_name
Rev Soc Bras Med Tropjournal_title
Revista da Sociedade Brasileira de Medicina Tropicalauthors
Carvalho LH,Teixeira LF,Zaqueo KD,Bastos JF,Nery NM,Setúbal SS,Pontes AS,Butzke D,Cavalcante W,Gallacci M,Fernandes CFC,Stabeli RG,Soares AM,Zuliani JPdoi
10.1590/0037-8682-0526-2018subject
Has Abstractpub_date
2019-09-05 00:00:00pages
e20180526eissn
0037-8682issn
1678-9849pii
S0037-86822019000100328journal_volume
52pub_type
杂志文章abstract:INTRODUCTION:This study characterized the clinico-epidemiological profile of American cutaneous leishmaniasis (ACL) cases in Barbalha, Ceará State, Brazil. METHODS:Medical records of 363 patients visiting Federal University of Cariri between 2009 and 2014 were analyzed. RESULTS:ACL was more prevalent in men with low ...
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journal_title:Revista da Sociedade Brasileira de Medicina Tropical
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abstract::Anthropometric measurements and biochemical determinations were performed on HIV-infected individuals and on patients with AIDS from the Ribeirão Preto region, SP, Brazil, in order to evaluate their nutritional and vitamin A status. Plasma retinol was measured by HPLC, and hepatic vitamin A stores were evaluated by th...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
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doi:10.1590/s0037-86821999000200001
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abstract::It has been estimated that 3% of the world population is infected with the hepatitis C virus. Those who are blood product recipients or have been illicit drug users are at risk. Dental and medical procedures as well as tattooing and acupuncture are also risk factors. Chronic infection occurs in up to 85% of infected c...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章,评审
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journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86821994000300001
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journal_title:Revista da Sociedade Brasileira de Medicina Tropical
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journal_title:Revista da Sociedade Brasileira de Medicina Tropical
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journal_title:Revista da Sociedade Brasileira de Medicina Tropical
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pub_type: 杂志文章
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journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
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journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
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更新日期:2010-07-01 00:00:00
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journal_title:Revista da Sociedade Brasileira de Medicina Tropical
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journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
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更新日期:2013-07-01 00:00:00
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journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86821996000200011
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journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
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更新日期:2019-12-20 00:00:00
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pub_type: 杂志文章
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更新日期:2001-05-01 00:00:00