Relationship between TCF7L2 Relative Expression in Pancreas Tissue with Changes in Insulin by High Intensity Interval Training (HIIT) in Type 2 Diabetes Rats

Eizadi, Mojtaba; Soory, Rahman; Ravasi, Aliasghar; Baesy, Kazem; Choobineh, Sirous

Volume 24, Issue 12 (Feb-Mar 2017) JSSU 2017, 24(12): 981-993 | Back to browse issues page

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Eizadi M, Soory R, Ravasi A, Baesy K, Choobineh S. Relationship between TCF7L2 Relative Expression in Pancreas Tissue with Changes in Insulin by High Intensity Interval Training (HIIT) in Type 2 Diabetes Rats . JSSU 2017; 24 (12) :981-993
URL: http://jssu.ssu.ac.ir/article-1-3750-en.html

Relationship between TCF7L2 Relative Expression in Pancreas Tissue with Changes in Insulin by High Intensity Interval Training (HIIT) in Type 2 Diabetes Rats

Mojtaba Eizadi ^*

Abstract: (8456 Views)

Introduction: Both environmental and genetic factors have been implicated in the development of type 2 diabetes (T2D). The objectives of the present study were: 1) to investigate the effect of high intensity interval training (HIIT) on fasting glucose, insulin and TCF7L2 expression in pancreas tissue of T2D rats, 2) to determine the relation between TCF7L2 expression with insulin changes in the HIIT and control groups.

Methods: In the present applied-experimental study, T2D male Wistar rats induced by intraperitoneal streptozotocin-nicotinamide were assigned to control (no-training) and HIIT (5 times/week/12-week) groups. Fasting glucose, serum insulin and TCF7L2 expression in pancreas tissues of both groups were measured after lasted exercise and compared between 2 groups by independent T test. Also, the relation between TCF7L2 expression and insulin of HIIT to the control group was assessed by Pearson correlations.

Results: The HIIT training in the training group was associated with improved fasting glucose compared with the control group (P<0.001). A significant increase was observed in serum insulin levels (P< 0.001). Also, there was seen a significant decrease in TCF7L2 expression in pancreas tissues in HIIT group compared with the control group (P= 0.038). Significant negative correlation was found between TCF7L2 expression and insulin changes of the HIIT to control groups (r=0.84, P=0.034).

conclusion: HIIT training is associated with improvements in glycemic control and insulin secretion in T2D rats. Based on these data, this improvement can be attributed to decrease in TCF7L2 expression at pancreas tissues by HIIT training.

Keywords: Interval training, Type 2 diabetes, Pancreas, Gene expression, Transcription factor 7-like 2

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Type of Study: Original article | Subject: Exercise Physiology
Received: 2016/05/31 | Accepted: 2017/01/7 | Published: 2017/05/2

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