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Physical Exercise-Induced Myokines and Muscle-Adipose Tissue Crosstalk: A Review of Current Knowledge and the Implications for Health and Metabolic Diseases

Texto completo
Leal, Luana G. [1, 2] ; Lopes, Magno A. [1] ; Batista, Jr., Miguel L. [1, 2]
Número total de Autores: 3
Afiliação do(s) autor(es):
[1] Univ Mogi das Cruzes, Integrated Grp Biotechnol, Lab Adipose Tissue Biol, Sao Paulo - Brazil
[2] Univ Mogi das Cruzes, Technol Res Grp, Sao Paulo - Brazil
Número total de Afiliações: 2
Tipo de documento: Artigo de Revisão
Fonte: FRONTIERS IN PHYSIOLOGY; v. 9, SEP 24 2018.
Citações Web of Science: 36

Physical exercise has beneficial effects on metabolic diseases, and a combined therapeutic regimen of regular exercise and pharmaceutical treatment is often recommended for their clinical management. However, the mechanisms by which exercise produces these beneficial effects are not fully understood. Myokines, a group of skeletal muscle (SkM) derived peptides may play an important part in this process. Myokines are produced, expressed and released by muscle fibers under contraction and exert both local and pleiotropic effects. Myokines such as IL-6, IL-10, and IL-1ra released during physical exercise mediate its health benefits. Just as exercise seems to promote the myokine response, physical inactivity seems to impair it, and could be a mechanism to explain the association between sedentary behavior and many chronic diseases. Myokines help configure the immune-metabolic factor interface and the health promoting effects of physical exercise through the release of humoral factors capable of interacting with other tissues, mainly adipose tissue (AT). AT itself secretes proinflammatory cytokines (adipokines) as a result of physical inactivity and it is well recognized that AT inflammation can lead to the development of metabolic diseases, such as type 2 diabetes mellitus (T2DM) and atherosclerosis. On the other hand, the browning phenotype of AT has been suggested to be one of the mechanisms through which physical exercise improves body composition in overweight/obese individuals. Although, many cytokines are involved in the crosstalk between SkM and AT, in respect of these effects, it is IL-6, IL-15, irisin, and myostatin which seem to have the decisive role in this ``conversation{''} between AT and SkM. This review article proposes to bring together the latest ``state of the art{''} knowledge regarding Myokines and muscle-adipose tissue crosstalk. Furthermore, it is intended to particularly focus on the immune-metabolic changes from AT directly mediated by myokines. (AU)

Processo FAPESP: 10/51078-1 - Bases moleculares da caquexia: adipogênese e remodelagem da matriz extracelular do tecido adiposo branco de pacientes com câncer gastrointestinal
Beneficiário:Miguel Luiz Batista Junior
Linha de fomento: Auxílio à Pesquisa - Apoio a Jovens Pesquisadores
Processo FAPESP: 15/19259-0 - Repercussões do remodelamento do tecido adiposo durante a síndrome de caquexia em pacientes com câncer gastrointestinal: potencial envolvimento do receptor TLR4 na modulação do browning no TAB
Beneficiário:Miguel Luiz Batista Junior
Linha de fomento: Auxílio à Pesquisa - Regular