High fat diet aggravates cardiomyopathy in murine chronic Chagas disease.

Abstract:

:Infection with Trypanosoma cruzi, the etiologic agent in Chagas disease, may result in heart disease. Over the last decades, Chagas disease endemic areas in Latin America have seen a dietary transition from the traditional regional diet to a Western style, fat rich diet. Previously, we demonstrated that during acute infection high fat diet (HFD) protects mice from the consequences of infection-induced myocardial damage through effects on adipogenesis in adipose tissue and reduced cardiac lipidopathy. However, the effect of HFD on the subsequent stages of infection - the indeterminate and chronic stages - has not been investigated. To address this gap in knowledge, we studied the effect of HFD during indeterminate and chronic stages of Chagas disease in the mouse model. We report, for the first time, the effect of HFD on myocardial inflammation, vasculopathy, and other types of dysfunction observed during chronic T. cruzi infection. Our results show that HFD perturbs lipid metabolism and induces oxidative stress to exacerbate late chronic Chagas disease cardiac pathology.

journal_name

Microbes Infect

journal_title

Microbes and infection

authors

Lizardo K,Ayyappan JP,Cui MH,Balasubramanya R,Jelicks LA,Nagajyothi JF

doi

10.1016/j.micinf.2018.07.001

subject

Has Abstract

pub_date

2019-01-01 00:00:00

pages

63-71

issue

1

eissn

1286-4579

issn

1769-714X

pii

S1286-4579(18)30146-1

journal_volume

21

pub_type

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