Markers of oxidative stress in adipose tissue during Trypanosoma cruzi infection

Jian Jun Wen, Fnu Nagajyothi, Fabiana S. Machado, Louis M. Weiss, Philipp E. Scherer, Herbert B. Tanowitz, Nisha J.ain Garg

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

The protozoan parasite Trypanosoma cruzi causes Chagas disease. Cardiac and adipose tissues are among the early targets of infection and are sites of persistent infection. In the heart and adipose tissue, T. cruzi infection results in an upregulation of pro-inflammatory mediators. In the heart, infection is associated with an increase in the markers of oxidative stress. To date, markers of oxidative stress have not been evaluated in adipose tissue in this infection. Brown and white adipose tissues were obtained from CD-1 mice infected with the Brazil strain of T. cruzi for 15, 30, and 130 days post infection. Protein carbonylation and lipid peroxidation assays were performed on these samples. There was an upregulation of these markers of oxidative stress at all time-points in both white and brown adipose tissue. Determinants of anti-oxidative stress were downregulated at similar time-points. This increase in oxidative stress during T. cruzi infection most likely has a deleterious effect on host metabolism and on the heart.

Original languageEnglish (US)
Pages (from-to)3159-3165
Number of pages7
JournalParasitology research
Volume113
Issue number9
DOIs
StatePublished - Sep 1 2014

ASJC Scopus subject areas

  • Parasitology
  • veterinary(all)
  • Insect Science
  • Infectious Diseases

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