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2017 ; 15
(4
): 507-511
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Regulation of adiposity by mTORC1
#MMPMID29364369
Magdalon J
; Festuccia WT
Einstein (Sao Paulo)
2017[Oct]; 15
(4
): 507-511
PMID29364369
show ga
Obesity is characterized by an excessive increase in the adipose tissue mass, and
is associated with higher incidence of several chronic metabolic diseases, such
as type 2 diabetes. Therefore, its increasing prevalence is a public health
concern, and it is important to better understand its etiology to develop new
therapeutic strategies. Evidence accumulated over the years indicates that
obesity is associated with a marked activation in adipose tissue of the
mechanistic target of rapamycin complex 1 (mTORC1), a signaling pathway that
controls lipid metabolism, and adipocyte formation and maintenance. Curiously,
mTORC1 is also involved in the control of nonshivering thermogenesis and
recruitment as well as browning of white adipose tissue. In this review, we
explored mTORC1 functions in adipocytes and presented evidence, suggesting that
mTORC1 may either increase or reduce adiposity, depending on the conditions and
activation levels.
|Adipocytes/*metabolism
[MESH]
|Adipose Tissue, Brown/metabolism
[MESH]
|Adipose Tissue, White/metabolism
[MESH]
|Adiposity/*physiology
[MESH]
|Animals
[MESH]
|Diabetes Mellitus, Type 2/metabolism
[MESH]
|Humans
[MESH]
|Lipid Metabolism/physiology
[MESH]
|Mechanistic Target of Rapamycin Complex 1/*physiology
[MESH]