Differences in endothelin receptor types in the vasculature of Bothrops jararaca (Viperidae) and Oxyrhopus guibei (Colubridae) snakes

Mesquita, Lívia S.M.; Frias, Flávia T.; Carmona, Eurı́dice; Borgheresi, Rosa A.M.B.

doi:10.1016/j.cbpc.2008.03.007

Cited by 5 publications

(2 citation statements)

References 55 publications

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“…The scope of this journal is the toxicological mechanisms at different levels of organization, mainly molecular assessments of the xenobiotic's mechanisms of action on the organism physiology. Among the studies published by this journal are research about a new peptide in the poison of C. durissus [72], on endothelin, vasoactive peptides, and the differences in their receptors in B. jararaca and Oxyrhopus guibei snakes [73]. There was also great prominence in the work about vasoactive peptides isolated from B. jararaca plasma [74], a study about biochemical characterization of Pseudoboa neuwiedii venom [75] and the discovery of cardioprotective effects of alternagin-C, a peptide from B. alternatus snake [76].…”

Section: Main Institutions Journals and Collaboration Networkmentioning

confidence: 99%

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Studies about Snake Peptides: a Review about Brazilian Contribution

Assis

Bittar

Amorim

et al. 2022

Braz. arch. biol. technol.

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The peptides present in snake venoms are studied because of their properties, constitutions, mechanisms of action and pharmacological potential. Recognizing this potential, the present study reports the contributions of Brazilian researchers about snake peptides, between 1975 and July 2020. Thus, this study serves as a basis for monitoring this theme in Brazil, referring to the trends and patterns of scientific production. The results indicated a significant increase in Brazilian scientific production over the years, highlighting institutions located in São Paulo state as, the Butantan Institute and University of São Paulo. The main journal where Brazilian authors publish their research is the Toxicon Journal. Collaborative networks were identified between Brazilian institutions and among other countries with Brazil. The most investigated species are found in brazilian territory, mainly those belonging to the genus Bothrops and the species Crotalus durissus. The increase in studies about this theme in Brazil is evident, however, a gap is highlighted for states outside the southeastern region and for other venomous species.

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Section: Main Institutions Journals and Collaboration Networkmentioning

confidence: 99%

“…These peptides are antihypertensive molecules that inhibit the degradation of a hypotensive peptide and the formation of a vasoconstrictor peptide [87]. Other studies have evaluated antifungal peptides [33], pituitary neuropeptides [88] and have discovered new hypotensive peptides in the snake's plasma [73].…”

Section: Species Investigatedmentioning

confidence: 99%

Studies about Snake Peptides: a Review about Brazilian Contribution

Assis

Bittar

Amorim

et al. 2022

Braz. arch. biol. technol.

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Mass Transport: Circulatory System with Emphasis on Nonendothermic Species

Crossley

Burggren

Reiber

et al. 2016

Comprehensive Physiology

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Mass transport can be generally defined as movement of material matter. The circulatory system then is a biological example given its role in the movement in transporting gases, nutrients, wastes, and chemical signals. Comparative physiology has a long history of providing new insights and advancing our understanding of circulatory mass transport across a wide array of circulatory systems. Here we focus on circulatory function of nonmodel species. Invertebrates possess diverse convection systems; that at the most complex generate pressures and perform at a level comparable to vertebrates. Many invertebrates actively modulate cardiovascular function using neuronal, neurohormonal, and skeletal muscle activity. In vertebrates, our understanding of cardiac morphology, cardiomyocyte function, and contractile protein regulation by Ca2+ highlights a high degree of conservation, but differences between species exist and are coupled to variable environments and body temperatures. Key regulators of vertebrate cardiac function and systemic blood pressure include the autonomic nervous system, hormones, and ventricular filling. Further chemical factors regulating cardiovascular function include adenosine, natriuretic peptides, arginine vasotocin, endothelin 1, bradykinin, histamine, nitric oxide, and hydrogen sulfide, to name but a few. Diverse vascular morphologies and the regulation of blood flow in the coronary and cerebral circulations are also apparent in nonmammalian species. Dynamic adjustments of cardiovascular function are associated with exercise on land, flying at high altitude, prolonged dives by marine mammals, and unique morphology, such as the giraffe. Future studies should address limits of gas exchange and convective transport, the evolution of high arterial pressure across diverse taxa, and the importance of the cardiovascular system adaptations to extreme environments. © 2017 American Physiological Society. Compr Physiol 7:17-66, 2017.

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Hypertensive and Hypotensive Snake Venom Components

Bdolah

2010

Toxins and Hemostasis

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Differences in endothelin receptor types in the vasculature of Bothrops jararaca (Viperidae) and Oxyrhopus guibei (Colubridae) snakes

Cited by 5 publications

References 55 publications

Studies about Snake Peptides: a Review about Brazilian Contribution

Studies about Snake Peptides: a Review about Brazilian Contribution

Mass Transport: Circulatory System with Emphasis on Nonendothermic Species

Hypertensive and Hypotensive Snake Venom Components

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