Cited by 19Cardiovascular and exercise physiologyCardiac Fibrosis and RemodelingExercise and Physiological Responses

Endurance training modulates lymphocyte function in rats with post-MI CHF

Open access
BATISTA, MIGUEL LUIZ, SANTOS, RONALDO V. T., LOPES, RENATO D., LOPES, ANTÔNIO C., COSTA ROSA, LUÍS FERNANDO B. P., SEELAENDER, MARÍLIA C. L.·2008·Medicine & Science in Sports & Exercise

Abstract

PURPOSE: Exercise training restores innate immune system cell function in post-myocardial infarction (post-MI) rats. However, studies of the involvement of lymphocyte (Ly) in the setting of the congestive heart failure (CHF) are few. To address this issue, we investigated the function of Ly obtained from cervical lymph nodes from post-MI CHF rats submitted to treadmill running training. METHODS: Twenty-five male Wistar rats were randomly assigned to the following groups: rats submitted to ligation of the left coronary artery, which were sedentary (MI-S, N = 7, only limited activity) or trained (MI-T, N = 6, on a treadmill (0% grade at 13-20 m.m) for 60 min.d, 5 d.wk, for 8-10 wk); or sham-operated rats, which were sedentary (sham-S, N = 6) or trained (sham-T, N = 6). The incorporation of [2-C]-thymidine by Ly cultivated in the presence of concanavalin A (Con A) and lipopolysaccharide (LPS), cytokine production by Ly cultivated in the presence of phytohemagglutinin (PHA), and plasma concentration of glutamine were assessed in all groups, 48 h after the last exercise session. RESULTS: Proliferative capacity was increased, following incubation with Con-A in the MI groups, when compared with the sham counterparts. When incubated in the presence of PHA, MI-S produced more IL-4 (96%) than sham-S (P < 0.001). The training protocol induced a 2.2-fold increase in the production of interleukin-2 (P < 0.001) of the cells obtained from the cervical lymph nodes of MI-T, compared with MI-S. CONCLUSION: The moderate endurance training protocol caused an increase in IL-2 production, and a trend toward the reversion of the Th1/Th2 imbalance associated with IL-4 production increased in the post-MI CHF animal model.

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Crossref · 10.1249/mss.0b013e31815ed6d2

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Authors
BATISTA, M. L., SANTOS, R. V. T., LOPES, R. D., LOPES, A. C., COSTA ROSA, L. F. B. P., & SEELAENDER, M. C. L.
Affiliations
  • Universidade de São Paulo (BR)
  • Universidade Federal de São Paulo (BR)
Venue
Medicine & Science in Sports & Exercise
Published
2008-03
Volume
40
Issue
3
Pages
549-556
ISSN
0195-9131 (ISSN-L)
OpenAlex
W2089556703
Cited by
19
References
38
Citations by year
2025: 1 · 2022: 2 · 2021: 1 · 2018: 1 · 2017: 1 · 2016: 1 · 2014: 1 · 2013: 2
FWCI
7.81
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • Medicine & Science in Sports & Exercise (publishedVersion)
  • PubMed (publishedVersion)
  • Scientific Electronic Library Online (São Paulo Research Foundation, Latin American and Caribbean Center on Health Sciences Information, Conselho Nacional de Desenvolvimento Científico e Tecnológico) (publishedVersion)
  • Americanae (AECID Library) (submittedVersion, other-oa)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, other-oa)
Topics
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Fibrosis and Remodeling
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
Keywords
endurance training, lymphocyte function, congestive heart failure, myocardial infarction, treadmill running, cervical lymph nodes, lymphocyte proliferation, interleukin-2, IL-4, Th1/Th2 balance, innate immunity, glutamine, cytokine production
MeSH terms
Animals, Glutamine, Heart Failure, Lymphocytes, Male, Myocardial Infarction, Physical Conditioning, Animal, Physical Endurance, Random Allocation, Rats, Wistar, Rats

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