IJMS, Vol. 18, Pages 1861: The Emerging Role of GLP-1 Receptors in DNA Repair: Implications in Neurological Disorders

IJMS, Vol. 18, Pages 1861: The Emerging Role of GLP-1 Receptors in DNA Repair: Implications in Neurological Disorders

International Journal of Molecular Sciences doi: 10.3390/ijms18091861

Authors: Jenq-Lin Yang Wei-Yu Chen Shang-Der Chen

Glucagon-like peptide-1 (GLP-1) is originally found as a metabolic hormone (incretin) that is able to regulate blood-glucose levels via promoting synthesis and secretion of insulin. GLP-1 and many analogues are approved for treatment of type II diabetes. Accumulating results imply that GLP-1 performs multiple functions in various tissues and organs beyond regulation of blood-glucose. The neuroprotective function of GLP-1 has been extensively explored during the past two decades. Three of our previous studies have shown that apurinic/apyrimidinic endonuclease 1 (APE1) is the only protein of the base excision repair (BER) pathway able to be regulated by oxidative stress or exogenous stimulations in rat primary cortical neurons. In this article, we review the role of APE1 in neurodegenerative diseases and its relationship to neuroprotective mechanisms of the activated GLP-1 receptor (GLP-1R) in neurodegenerative disorders. The purpose of this article is to provide new insight, from the aspect of DNA damage and repair, for studying potential treatments in neurodegenerative diseases.

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