Calcium overload and mitochondrial metabolism

LL Walkon, JO Strubbe-Rivera, JN Bazil - Biomolecules, 2022 - mdpi.com
Mitochondria calcium is a double-edged sword. While low levels of calcium are essential to
maintain optimal rates of ATP production, extreme levels of calcium overcoming the …

Mitochondria in vascular health and disease

P Dromparis, ED Michelakis - Annual review of physiology, 2013 - annualreviews.org
The eukaryote's mitochondrial network is perhaps the cell's most sophisticated and dynamic
responsive sensing system. Integrating metabolic, oxygen, or danger signals with inputs …

The role of Nogo and the mitochondria–endoplasmic reticulum unit in pulmonary hypertension

G Sutendra, P Dromparis, P Wright, S Bonnet… - Science translational …, 2011 - science.org
Pulmonary arterial hypertension (PAH) is caused by excessive proliferation of vascular cells,
which occlude the lumen of pulmonary arteries (PAs) and lead to right ventricular failure …

[HTML][HTML] Characteristics and possible functions of mitochondrial Ca2+ transport mechanisms

TE Gunter, SS Sheu - Biochimica et Biophysica Acta (BBA)-Bioenergetics, 2009 - Elsevier
Mitochondria produce around 92% of the ATP used in the typical animal cell by oxidative
phosphorylation using energy from their electrochemical proton gradient. Intramitochondrial …

Attenuating endoplasmic reticulum stress as a novel therapeutic strategy in pulmonary hypertension

P Dromparis, R Paulin, TH Stenson, A Haromy… - Circulation, 2013 - Am Heart Assoc
Background—Evidence suggestive of endoplasmic reticulum (ER) stress in the pulmonary
arteries of patients with pulmonary arterial hypertension has been described for decades but …

Mitochondria and Ca2+ signaling: old guests, new functions

WF Graier, M Frieden, R Malli - Pflügers Archiv-European Journal of …, 2007 - Springer
Mitochondria are ancient endosymbiotic guests that joined the cells in the evolution of
complex life. While the unique ability of mitochondria to produce adenosine triphosphate …

Mitochondrial matrix calcium is an activating signal for hormone secretion

A Wiederkehr, G Szanda, D Akhmedov, C Mataki… - Cell metabolism, 2011 - cell.com
Mitochondrial Ca 2+ signals have been proposed to accelerate oxidative metabolism and
ATP production to match Ca 2+-activated energy-consuming processes. Efforts to …

Metabolic dysfunction in pulmonary hypertension: the expanding relevance of the W arburg effect

KA Cottrill, SY Chan - European journal of clinical investigation, 2013 - Wiley Online Library
Background Pulmonary hypertension (PH) is an enigmatic vascular syndrome characterized
by increased pulmonary arterial pressure and adverse remodelling of the pulmonary …

High-and low-calcium-dependent mechanisms of mitochondrial calcium signalling

A Spät, G Szanda, G Csordás, G Hajnóczky - Cell calcium, 2008 - Elsevier
The Ca2+ coupling between endoplasmic reticulum (ER) and mitochondria is central to
multiple cell survival and cell death mechanisms. Cytoplasmic [Ca2+]([Ca2+] c) spikes and …

Leucine zipper EF hand-containing transmembrane protein 1 (Letm1) and uncoupling proteins 2 and 3 (UCP2/3) contribute to two distinct mitochondrial Ca2+ uptake …

M Waldeck-Weiermair, C Jean-Quartier, R Rost… - Journal of Biological …, 2011 - ASBMB
Cytosolic Ca 2+ signals are transferred into mitochondria over a huge concentration range.
In our recent work we described uncoupling proteins 2 and 3 (UCP2/3) to be fundamental for …