Influence of Trypanosoma evansi in adenine nucleotides and nucleoside concentration in serum and cerebral cortex of infected rats

被引：6

作者：

Da Silva, Aleksandro S. ^{[1
]}

Oliveira, Camila B. ^{[1
]}

Rosa, Luciana D. ^{[1
]}

Leal, Claudio A. M. ^{[2
]}

Da Cruz, Ritiel C. ^{[3
]}

Thome, Gustavo R. ^{[2
]}

Athayde, Margarete L. ^{[3
]}

Schetinger, Maria R. C. ^{[2
]}

Monteiro, Silvia G. ^{[1
]}

Lopes, Sonia T. A. ^{[4
]}

机构：

[1] Univ Fed Santa Maria, Dept Microbiol & Parasitol, BR-97105900 Santa Maria, RS, Brazil

[2] Univ Fed Santa Maria, Dept Chem, Santa Maria, RS, Brazil

[3] Univ Fed Santa Maria, Dept Ind Pharm, Santa Maria, RS, Brazil

[4] Univ Fed Santa Maria, Dept Small Anim, Santa Maria, RS, Brazil

来源：

EXPERIMENTAL PARASITOLOGY | 2012年 / 131卷 / 01期

关键词：

Trypanosomosis; ATP; ADP; AMP; Adenosine; ADENOSINE-DEAMINASE; NERVOUS-SYSTEM; ATP; PROLIFERATION; PURINES; ROLES;

D O I：

10.1016/j.exppara.2012.03.008

中图分类号：

R38 [医学寄生虫学]; Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ; 100103 ;

摘要：

This study aimed to evaluate the adenine nucleotides and nucleoside concentration in serum and cerebral cortex of rats infected with Trypanosma evansi. Each rat was intraperitoneally infected with 1 x 10(6) trypomastigotes suspended in cryopreserved blood (Group A; n = 18). Twelve animals were used as controls (Group B). The infected animals were monitored daily by blood smears. At days 4 and 20 post-infection (PI) it was collected serum and cerebral cortex to measure the levels of ATP, ADP, AMP and adenosine by high performance liquid chromatography (HPLC). In serum there was a significant (P < 0.05) increase in the ATP. AMP and adenosine concentrations at days 4 and 20 PI in infected rats when compared to not-infected. Furthermore, in the cerebral cortex it was observed a significant (P < 0.05) increase in the concentrations of ATP, AMP and decreased adenosine levels at day 4 PI. At day 20 PI it was only observed an increase in the AMP and adenosine concentrations in cerebral cortex of infected rats when compared to not-infected. It was not observed any difference in ADP concentration in serum and brain at days 4 and 20 PI. No change was observed histologically in the cerebral cortex of infected animals. The results allow us to conclude that infection with T. evansi in rats causes an increase in the concentrations of ATP, AMP and adenosine in serum and cerebral cortex the time periods evaluated. These alterations occurred as a result of T. evansi infection which involves neurotransmission, neuromodulation and immune response impairment confirm the importance of the purinergic system in this pathology. (C) 2012 Elsevier Inc. All rights reserved.

引用

页码：80 / 84

页数：5

共 43 条

[1] ATP regulates oligodendrocyte progenitor migration, proliferation, and differentiation:: involvement of metabotropic P2 receptors [J].

Agresti, C ;

Meomartini, ME ;

Amadio, S ;

Ambrosini, E ;

Volonté, C ;

Aloisi, F ;

Visentin, S .

BRAIN RESEARCH REVIEWS, 2005, 48 (02) :157-165

[2] Disseminated central nervous system disease caused by Trypanosoma evansi in a horse [J].

Berlin, Dalia ;

Loeb, Emmanuel ;

Baneth, Gad .

VETERINARY PARASITOLOGY, 2009, 161 (3-4) :316-319

[3]

Burnstock Geoffrey, 2006, Novartis Found Symp, V276, P26

[4]

Colpo Cristina Braccini, 2005, Cienc. Rural, V35, P717, DOI 10.1590/S0103-84782005000300038

[5] Adenosine as a neuromodulator and as a homeostatic regulator in the nervous system: different roles, different sources and different receptors [J].

Cunha, RA .

NEUROCHEMISTRY INTERNATIONAL, 2001, 38 (02) :107-125

[6] ATP as a presynaptic modulator [J].

Cunha, RA ;

Ribeiro, JA .

LIFE SCIENCES, 2000, 68 (02) :119-137

[7]

da Silva A.S., 2006, FZVA Rev., V13, P83

[8] Biochemical detection of adenosine deaminase in Trypanosoma evansi [J].

Da Silva, Aleksandro S. ;

Pimentel, Victor C. ;

Jaques, Jeandre A. S. ;

Wolkmer, Patricia ;

Tavares, Kaio C. S. ;

Lazzarotto, Cicera R. ;

Miletti, Luiz C. ;

Schetinger, Maria Rosa C. ;

Mazzanti, Cinthia M. ;

Lopes, Sonia T. A. ;

Monteiro, Silvia G. .

EXPERIMENTAL PARASITOLOGY, 2011, 128 (03) :298-300

[9] Activity of the enzyme adenosine deaminase in serum, erythrocytes and lymphocytes of rats infected with Trypanosoma evansi [J].

Da Silva, Aleksandro S. ;

Belle, Luziane P. ;

Bitencourt, Paula E. R. ;

Souza, Viviane C. G. ;

Costa, Marcio M. ;

Oliveira, Camila B. ;

Jaques, Jeandre A. ;

Leal, Daniela B. R. ;

Moretto, Maria B. ;

Mazzanti, Cinthia M. ;

Lopes, Sonia T. A. ;

Monteiro, Silvia G. .

PARASITOLOGY, 2011, 138 (02) :201-208

[10] Trypanosoma evansi: Adenosine deaminase activity in the brain of infected rats [J].

Da Silva, Aleksandro S. ;

Belle, Luziane P. ;

Bitencourt, Paula E. R. ;

Garcia Perez, Herakles A. ;

Thome, Gustavo R. ;

Costa, Marcio M. ;

Oliveira, Camila B. ;

Teixeira, Marta M. G. ;

Moretto, Maria B. ;

Mazzanti, Cinthia M. ;

Lopes, Sonia T. A. ;

Monteiro, Silvia G. .

EXPERIMENTAL PARASITOLOGY, 2011, 127 (01) :173-177

← 1 2 3 4 5 →