Acute exercise elicits differential expression of insulin resistance genes in the skeletal muscle of patients with polycystic ovary syndrome

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art_DANTAS_Acute_exercise_elicits_differential_expression_of_insulin_resistance_2017.PDF (530.47 KB)
Citações na Scopus
19
Tipo de produção
article
Data de publicação
2017
DOI
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
WILEY
Autores
DANTAS, Wagner Silva
MURAI, Igor Hisashi
PERANDINI, Luiz Augusto
CAMARA, Niels Olsen Saraiva
Citação
CLINICAL ENDOCRINOLOGY, v.86, n.5, p.688-697, 2017
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
ObjectiveThis study aimed to explore the role of acute exercise on skeletal muscle gene expression related to insulin resistance in patients with polycystic ovary syndrome (PCOS) and controls. MethodsFour obese women with PCOS and four body mass index (BMI)-matched controls (CTRL) participated in this study. After an overnight fast, the subjects underwent a single 40-min bout of aerobic exercise. Muscle samples were obtained from vastus lateralis at baseline and 60 min after exercise. The expression of a panel of insulin resistance genes was evaluated by a quantitative PCR array system. Network-based analyses were performed to interpret transcriptional changes occurring before and after the exercise challenge. ResultsOverall, differentially expressed genes associated with mitochondria function and peroxisome proliferator-activated receptor signalling were identified. At baseline, there was a significant upregulation of six genes exclusively in PCOS (i.e. NFKBIA, MAPK3, PPARGC1A, GAPDH, ACTB and PPARA). Twelve genes were upregulated in CTRL after a single bout of aerobic exercise (i.e. LEPR, CXCR4, CCR5, IL-18R1, CRLF2, ACACA, CEBPA, PPARGC1A, UCP1, TNFRSF1B, TLR4 and IKBKB). After the exercise session, three genes were upregulated in PCOS (i.e. SOCS3, NAMPT and IL-8), whilst IL-6 was upregulated in both groups after exercise. ConclusionsThis study provides novel evidence on the effects of acute exercise on insulin resistance genes in skeletal muscle of PCOS. The differentially expressed genes reported herein could be further investigated as targets for therapeutic interventions aimed at improving insulin resistance in this syndrome.
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URI
https://observatorio.fm.usp.br/handle/OPI/20126
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MPE
Artigos e Materiais de Revistas Científicas - LIM/17
Artigos e Materiais de Revistas Científicas - LIM/36