[HTML][HTML] Metformin inhibits methylglyoxal-induced retinal pigment epithelial cell death and retinopathy via AMPK-dependent mechanisms: reversing mitochondrial …

P Sekar, G Hsiao, SH Hsu, DY Huang, WW Lin… - Redox Biology, 2023 - Elsevier
Diabetic retinopathy (DR) is a major cause of blindness in adult, and the accumulation of
advanced glycation end products (AGEs) is a major pathologic event in DR. Methylglyoxal …

Methylglyoxal induces cell death through endoplasmic reticulum stress‐associated ROS production and mitochondrial dysfunction

CM Chan, DY Huang, YP Huang… - Journal of cellular …, 2016 - Wiley Online Library
Diabetic retinopathy (DR) and age‐related macular degeneration (AMD) are two important
leading causes of acquired blindness in developed countries. As accumulation of advanced …

[HTML][HTML] Different effects of metformin and A769662 on sodium iodate-induced cytotoxicity in retinal pigment epithelial cells: Distinct actions on mitochondrial fission …

CM Chan, P Sekar, DY Huang, SH Hsu, WW Lin - Antioxidants, 2020 - mdpi.com
Oxidative stress-associated retinal pigment epithelium (RPE) cell death is critically
implicated in the pathogenesis of visual dysfunction and blindness of retinal degenerative …

Methylglyoxal, a reactive glucose metabolite, enhances autophagy flux and suppresses proliferation of human retinal pigment epithelial ARPE-19 cells

YC Chang, MC Hsieh, HJ Wu, WC Wu, YH Kao - Toxicology In Vitro, 2015 - Elsevier
Methylglyoxal (MGO), a glycolytic metabolite, induces oxidative injury and apoptotic cell
death that play a pathogenetic role in age-related macular degeneration (AMD). This study …

Metformin protects ARPE‐19 cells from glyoxal‐induced oxidative stress

S Qu, C Zhang, D Liu, J Wu, H Tian, L Lu… - Oxidative Medicine …, 2020 - Wiley Online Library
The protective effects and mechanisms of metformin against oxidative stress were evaluated
both in vivo and in vitro. ARPE‐19 cells comprised the normal group, the glyoxal‐treated …

Protective effect of metformin against hydrogen peroxide‐induced oxidative damage in human retinal pigment epithelial (RPE) cells by enhancing autophagy through …

X Zhao, L Liu, Y Jiang, M Silva, X Zhen… - … Medicine and Cellular …, 2020 - Wiley Online Library
Age‐related macular degeneration (AMD) is a leading cause of blindness with limited
effective treatment. Although the pathogenesis of this disease is complex and not fully …

[HTML][HTML] Metformin protects against retinal ischemia/reperfusion injury through AMPK-mediated mitochondrial fusion

K Zhang, T Wang, GF Sun, JX Xiao, LP Jiang… - Free Radical Biology …, 2023 - Elsevier
Retinal ischemia/reperfusion (I/R) injury is a common pathological process responsible for
cellular damage in glaucoma, diabetic retinopathy and hypertensive retinopathy. Metformin …

Tanshinone IIa protects retinal endothelial cells against mitochondrial fission induced by methylglyoxal through glyoxalase 1

S Qian, Y Qian, D Huo, S Wang, Q Qian - European Journal of …, 2019 - Elsevier
Advanced glycation end products (AGEs) play an important role in the onset of diabetic
retinopathy. Therefore, in the current study, we investigate whether and how Tanshinone IIa …

[HTML][HTML] Metformin prevents methylglyoxal-induced apoptosis by suppressing oxidative stress in vitro and in vivo

G Wang, Y Wang, Q Yang, C Xu, Y Zheng… - Cell Death & …, 2022 - nature.com
Methylglyoxal (MGO) is an active metabolite of glucose and plays a prominent role in the
pathogenesis of diabetic vascular complications, including endothelial cell apoptosis …

[HTML][HTML] New insight into the effects of metformin on diabetic retinopathy, aging and cancer: nonapoptotic cell death, immunosuppression, and effects beyond the …

SK Hsu, KC Cheng, MO Mgbeahuruike, YH Lin… - International Journal of …, 2021 - mdpi.com
Under metabolic stress conditions such as hypoxia and glucose deprivation, an increase in
the AMP: ATP ratio activates the AMP-activated protein kinase (AMPK) pathway, resulting in …