[HTML][HTML] The mitochondrial permeability transition pore in Ca2+ homeostasis

M Carraro, P Bernardi - Cell calcium, 2023 - Elsevier
Abstract The mitochondrial Permeability Transition Pore (PTP) can be defined as a Ca 2+
activated mega-channel involved in mitochondrial damage and cell death, making its …

Mitochondrial Volume Regulation and Swelling Mechanisms in Cardiomyocytes

XR Chapa-Dubocq, KM Rodríguez-Graciani… - Antioxidants, 2023 - mdpi.com
Mitochondrion, known as the “powerhouse” of the cell, regulates ion homeostasis, redox
state, cell proliferation and differentiation, and lipid synthesis. The inner mitochondrial …

Goldilocks calcium concentrations and the regulation of oxidative phosphorylation: Too much, too little, or just right

EA Vilas-Boas, JV Cabral-Costa, VM Ramos… - Journal of Biological …, 2023 - ASBMB
Calcium (Ca 2+) is a key regulator in diverse intracellular signaling pathways and has long
been implicated in metabolic control and mitochondrial function. Mitochondria can actively …

Increased mitochondrial free Ca2+ during ischemia is suppressed, but not eliminated by, germline deletion of the mitochondrial Ca2+ uniporter

CE Petersen, J Sun, K Silva, A Kosmach, RS Balaban… - Cell reports, 2023 - cell.com
Mitochondrial Ca 2+ overload is proposed to regulate cell death via opening of the
mitochondrial permeability transition pore. It is hypothesized that inhibition of the …

MCU-independent Ca2+ uptake mediates mitochondrial Ca2+ overload and necrotic cell death in a mouse model of Duchenne muscular dystrophy

MJ Bround, E Abay, J Huo, JR Havens, AJ York… - Scientific Reports, 2024 - nature.com
Mitochondrial Ca2+ overload can mediate mitochondria-dependent cell death, a major
contributor to several human diseases. Indeed, Duchenne muscular dystrophy (MD) is …

[HTML][HTML] The mitochondrial calcium uniporter complex–A play in five acts

A De Mario, D D'Angelo, G Zanotti, A Raffaello… - Cell Calcium, 2023 - Elsevier
Abstract Mitochondrial Ca 2+(mitCa 2+) uptake controls both intraorganellar and cytosolic
functions. Within the organelle,[Ca 2+] increases regulate the activity of tricarboxylic acid …

Mitochondrial Ca2+ handling as a cell signaling hub: lessons from astrocyte function

JV Cabral-Costa, AJ Kowaltowski - Essays in Biochemistry, 2023 - portlandpress.com
Astrocytes are a heterogenous population of macroglial cells spread throughout the central
nervous system with diverse functions, expression signatures, and intricate morphologies …

Beyond the TCA cycle: new insights into mitochondrial calcium regulation of oxidative phosphorylation

SH Lee, HE Duron, D Chaudhuri - Biochemical Society …, 2023 - portlandpress.com
While mitochondria oxidative phosphorylation is broadly regulated, the impact of
mitochondrial Ca2+ on substrate flux under both physiological and pathological conditions …

Structure-based function and regulation of NCX variants: updates and challenges

D Khananshvili - International Journal of Molecular Sciences, 2022 - mdpi.com
The plasma-membrane homeostasis Na+/Ca2+ exchangers (NCXs) mediate Ca2+
extrusion/entry to dynamically shape Ca2+ signaling/in biological systems ranging from …

The mitochondrial calcium uniporter: Balancing tumourigenic and anti‐tumourigenic responses

DM Colussi, PB Stathopulos - The Journal of Physiology, 2024 - Wiley Online Library
Increased malignancy and poor treatability associated with solid tumour cancers have
commonly been attributed to mitochondrial calcium (Ca2+) dysregulation. The mitochondrial …