# The mechanism of aerobic exercise in ameliorating glycolipid metabolic disorders in metabolic syndrome rats via the miR-27a-PPARγ pathway

## TL;DR

Aerobic exercise helps reduce metabolic issues in rats with metabolic syndrome by affecting the miR-27a-PPARγ pathway.

## Contribution

The study reveals a new mechanism by which aerobic exercise improves metabolic health through miR-27a and PPARγ.

## Key findings

- Aerobic exercise lowers miR-27a levels and boosts PPARγ expression in metabolic syndrome rats.
- Reducing miR-27a with a viral vector mimics the benefits of exercise in these rats.
- Combining miR-27a inhibition with exercise leads to even greater improvements in metabolic health.

## Abstract

This study investigated how aerobic exercise improves metabolic disorders in rats with metabolic syndrome (MS) and explored the role of miR-27a in this process. MS was induced by a high-fat and high-sugar diet. After eight weeks of treadmill training, aerobic exercise was found to reduce metabolic abnormalities and decrease elevated miR-27a levels, while increasing the expression of PPARγ and key downstream molecules involved in glycolipid metabolism. Downregulating miR-27a via a viral vector produced benefits similar to those of exercise, and combining miR-27a inhibition with exercise led to further improvement. These results suggested that aerobic exercise alleviates MS-related metabolic disorders partly through suppressing miR-27a and promoting PPARγ signaling, revealing a potential therapeutic target.