Crosstalk between advanced glycation and endoplasmic reticulum stress: emerging therapeutic targeting for metabolic diseases
C Piperi, C Adamopoulos, G Dalagiorgou… - The Journal of …, 2012 - academic.oup.com
The Journal of Clinical Endocrinology & Metabolism, 2012•academic.oup.com
Context: Advanced glycation, the major posttranslational modification of proteins, DNA, and
lipids, is accelerated under conditions of increased oxidative stress, hyperglycemia, and
hypoxia contributing to a variety of metabolic diseases such as diabetes mellitus, obesity,
inflammation, polycystic ovarian syndrome, ischemic cardiovascular disease, and
neurodegenerative disorders. The potential role of advanced glycation in endoplasmic
reticulum (ER) homeostasis is largely unknown. Evidence Acquisition: Basic and clinical …
lipids, is accelerated under conditions of increased oxidative stress, hyperglycemia, and
hypoxia contributing to a variety of metabolic diseases such as diabetes mellitus, obesity,
inflammation, polycystic ovarian syndrome, ischemic cardiovascular disease, and
neurodegenerative disorders. The potential role of advanced glycation in endoplasmic
reticulum (ER) homeostasis is largely unknown. Evidence Acquisition: Basic and clinical …
Context
Advanced glycation, the major posttranslational modification of proteins, DNA, and lipids, is accelerated under conditions of increased oxidative stress, hyperglycemia, and hypoxia contributing to a variety of metabolic diseases such as diabetes mellitus, obesity, inflammation, polycystic ovarian syndrome, ischemic cardiovascular disease, and neurodegenerative disorders. The potential role of advanced glycation in endoplasmic reticulum (ER) homeostasis is largely unknown.
Evidence Acquisition
Basic and clinical peer-reviewed articles on advanced glycation and ER stress related to metabolic regulation were searched in PubMed from 2000–2011. The resulting articles as well as relevant cited references were reviewed.
Evidence Synthesis
Recent evidence indicates that hyperglycemia, hypoxia, and oxidative stress, apart of triggering advanced glycation, can also adversely affect ER function, leading to pathogenic ER stress, followed by the unfolded protein response. The concomitant presence of advanced glycation in the same conditions with ER stress suggests their crosstalk in the progression of diseases associated with hypoxic and oxidative stress.
Conclusion
Current data support the direct or indirect induction of ER stress response by advanced glycation end products or advanced glycation end product precursors in the pathogenesis of metabolic diseases. Inhibitors of advanced glycation acting as potent ER stress modulators with beneficial effects in restoring ER homeostasis and adjusting physiological unfolded protein response level present an emerging therapeutic approach with significant applications, especially in the context of metabolic dysfunction.
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