Inactivation of cysteine 674 in the sarcoplasmic/endoplasmic reticulum calcium ATPase 2 causes retinopathy in the mouse

G Liu, F Wu, H Wu, Y Wang, X Jiang, P Hu… - Experimental Eye …, 2021 - Elsevier
Diabetic retinopathy is a multifactorial microvascular complication, and its pathogenesis
hasn't been fully elucidated. The irreversible oxidation of cysteine 674 (C674) in the …

Expression of sarco/endoplasmic reticular Ca2+-ATPase in human lens epithelial cells and cultured human lens epithelial B-3 cells

L Liu, L Bian, D Borchman, CA Paterson - Current eye research, 1999 - Taylor & Francis
PURPOSE. Sarco/Endoplasmic Reticulum Ca 2+-ATPase (SER-CAs) isoforms, SERCA2b
(100Kd) and SERCA3 (97Kd), are co-expressed in some non-muscle tissues. Both types of …

[HTML][HTML] SERPINA3K prevents oxidative stress induced necrotic cell death by inhibiting calcium overload

B Zhang, J Ma - PloS one, 2008 - journals.plos.org
Background SERPINA3K, an extracellular serine proteinase inhibitor (serpin), has been
shown to have decreased levels in the retinas of diabetic rats, which may contribute to …

[HTML][HTML] Photoreceptor cell calcium dysregulation and calpain activation promote pathogenic photoreceptor oxidative stress and inflammation in prodromal diabetic …

A Saadane, Y Du, WB Thoreson, M Miyagi… - The American journal of …, 2021 - Elsevier
This study tested the hypothesis that diabetes promotes a greater than normal cytosolic
calcium level in rod cells that activates a Ca 2+-sensitive protease, calpain, resulting in …

Regulation of sarco/endoplasmic Ca2+-ATPase expression by calcium in human lens cells

L Liu, CA Paterson, D Borchman - Experimental eye research, 2002 - Elsevier
Maintenance of cellular calcium levels is critical to cell function. Loss of calcium homeostasis
might be a contributing factor to the development of cataract in the lens. In lens epithelium …

Serca isoform expression in the mammalian retina

D Krizaj - Experimental eye research, 2005 - Elsevier
The sarcoplasmic–endoplasmic reticulum calcium ATPase (SERCA) is a key intracellular
calcium transporter, which regulates cellular calcium concentration [Ca2+] by transporting …

[HTML][HTML] Caspase-14: a novel caspase in the retina with a potential role in diabetic retinopathy

M Al-Shabrawey, S Ahmad, S Megyerdi… - Molecular …, 2012 - ncbi.nlm.nih.gov
Purpose The purpose of this study was to evaluate caspase-14 expression in the retina
under normal and diabetic conditions, and to determine whether caspase-14 contributes to …

SERCA2 dysfunction triggers hypertension by interrupting mitochondrial homeostasis and provoking oxidative stress

Y Wang, M Wang, H Su, J Song, M Ren, P Hu… - Free Radical Biology …, 2024 - Elsevier
Background and aim Sarcoplasmic/endoplasmic reticulum Ca 2+ ATPase 2 (SERCA2) is
critical in maintaining Ca 2+ homeostasis. The cysteine 674 (C674) is the key redox …

Caspase‐14 expression impairs retinal pigment epithelium barrier function: potential role in diabetic macular edema

S Beasley, M El-Sherbiny, S Megyerdi… - BioMed Research …, 2014 - Wiley Online Library
We recently showed that caspase‐14 is a novel molecule in retina with potential role in
accelerated vascular cell death during diabetic retinopathy (DR). Here, we evaluated …

Diabetes-induced activation of caspase-3 in retina: effect of antioxidant therapy

RA Kowluru, P Koppolu - Free Radical Research, 2002 - Taylor & Francis
Apoptosis of retinal endothelial cells and pericytes is postulated to contribute to the
development of retinopathy in diabetes. The goal of this study is to investigate diabetes …