Inhibition of the proteasome preserves Mitofusin-2 and mitochondrial integrity, protecting cardiomyocytes during ischemia-reperfusion injury

I Olmedo Alegría, G Pino Tapia, J Riquelme Meléndez… - 2020 - repositorio.uchile.cl
Cardiomyocyte loss is the main cause of myocardial dysfunction following an ischemia-
reperfusion (IR) injury. Mitochondrial dysfunction and altered mitochondrial network …

[HTML][HTML] Inhibition of the proteasome preserves Mitofusin-2 and mitochondrial integrity, protecting cardiomyocytes during ischemia-reperfusion injury

I Olmedo, G Pino, JA Riquelme, P Aranguiz… - … et Biophysica Acta (BBA …, 2020 - Elsevier
Cardiomyocyte loss is the main cause of myocardial dysfunction following an ischemia-
reperfusion (IR) injury. Mitochondrial dysfunction and altered mitochondrial network …

Loss of Mitochondrial Dynamics Proteins Mitofusin‐2 and Drp‐1 in Myocardial Ischemia‐Reperfusion Injury Is Prevented by Matrix Metalloproteinase‐2 Preferring …

W Bassiouni, JM Seubert, R Schulz - The FASEB Journal, 2022 - Wiley Online Library
Objective Matrix metalloproteinase‐2 (MMP‐2) is a ubiquitous protease that cleaves several
extracellular and intracellular proteins. MMP‐2 is activated intracellularly in response to …

Matrix metalloproteinase-2 proteolyzes mitofusin-2 and impairs mitochondrial function during myocardial ischemia–reperfusion injury

W Bassiouni, R Valencia, Z Mahmud… - Basic Research in …, 2023 - Springer
During myocardial ischemia and reperfusion (IR) injury matrix metalloproteinase-2 (MMP-2)
is rapidly activated in response to oxidative stress. MMP-2 is a multifunctional protease that …

Central role of mitofusin 2 in autophagosome-lysosome fusion in cardiomyocytes

T Zhao, X Huang, L Han, X Wang, H Cheng… - Journal of Biological …, 2012 - ASBMB
In the heart, autophagy has been implicated in cardioprotection and ischemia-reperfusion
tolerance, and the dysregulation of autophagy is associated with the development of heart …

Genetically induced moderate inhibition of the proteasome in cardiomyocytes exacerbates myocardial ischemia-reperfusion injury in mice

Z Tian, H Zheng, J Li, Y Li, H Su, X Wang - Circulation research, 2012 - Am Heart Assoc
Rationale: Both cardiomyocyte-restricted proteasome functional enhancement and
pharmacological proteasome inhibition (PSMI) were shown to attenuate myocardial …

Crosstalk between cardiomyocytes and noncardiomyocytes is essential to prevent cardiomyocyte apoptosis induced by proteasome inhibition

F Guo, CC Zhang, XH Yin, T Li, CH Fang, XB He - Cell death & disease, 2020 - nature.com
Heart is a multi-cellular organ made up of various cell types interacting with each other.
Cardiomyocytes may benefit or suffer from crosstalk with noncardiomyocytes in response to …

Cardiomyocyte deletion of mitofusin-1 leads to mitochondrial fragmentation and improves tolerance to ROS-induced mitochondrial dysfunction and cell death

KN Papanicolaou, GA Ngoh… - American Journal …, 2012 - journals.physiology.org
Molecular studies examining the impact of mitochondrial morphology on the mammalian
heart have previously focused on dynamin related protein-1 (Drp-1) and mitofusin-2 (Mfn-2) …

Mitofusin 2 participates in mitophagy and mitochondrial fusion against angiotensin II-induced cardiomyocyte injury

W Xiong, Z Ma, D An, Z Liu, W Cai, Y Bai… - Frontiers in …, 2019 - frontiersin.org
Background Mitochondrial dynamics play a critical role in mitochondrial function. The
mitofusin 2 (MFN2) gene encodes a mitochondrial membrane protein that participates in …

Mitochondrial impairment triggers cytosolic oxidative stress and cell death following proteasome inhibition

S Maharjan, M Oku, M Tsuda, J Hoseki, Y Sakai - Scientific reports, 2014 - nature.com
Dysfunctions of the mitochondria and the ubiquitin–proteasome system, as well as
generation of reactive oxygen species (ROS), are linked to many aging-related …