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- Title
mTOR Dysregulation, Insulin Resistance, and Hypertension.
- Authors
Stanciu, Silviu Marcel; Jinga, Mariana; Miricescu, Daniela; Stefani, Constantin; Nica, Remus Iulian; Stanescu-Spinu, Iulia-Ioana; Vacaroiu, Ileana Adela; Greabu, Maria; Nica, Silvia
- Abstract
Worldwide, diabetes mellitus (DM) and cardiovascular diseases (CVDs) represent serious health problems associated with unhealthy diet and sedentarism. Metabolic syndrome (MetS) is characterized by obesity, dyslipidemia, hyperglycemia, insulin resistance (IR) and hypertension. The mammalian target of rapamycin (mTOR) is a serine/threonine kinase with key roles in glucose and lipid metabolism, cell growth, survival and proliferation. mTOR hyperactivation disturbs glucose metabolism, leading to hyperglycemia and further to IR, with a higher incidence in the Western population. Metformin is one of the most used hypoglycemic drugs, with anti-inflammatory, antioxidant and antitumoral properties, having also the capacity to inhibit mTOR. mTOR inhibitors such as rapamycin and its analogs everolimus and temsirolimus block mTOR activity, decrease the levels of glucose and triglycerides, and reduce body weight. The link between mTOR dysregulation, IR, hypertension and mTOR inhibitors has not been fully described. Therefore, the main aim of this narrative review is to present the mechanism by which nutrients, proinflammatory cytokines, increased salt intake and renin–angiotensin–aldosterone system (RAAS) dysregulation induce mTOR overactivation, associated further with IR and hypertension development, and also mTOR inhibitors with higher potential to block the activity of this protein kinase.
- Subjects
INSULIN resistance; METABOLIC syndrome; CARDIOVASCULAR diseases; MTOR inhibitors; PROTEIN kinases; SERINE/THREONINE kinases
- Publication
Biomedicines, 2024, Vol 12, Issue 8, p1802
- ISSN
2227-9059
- Publication type
Article
- DOI
10.3390/biomedicines12081802