Mitochondrial K+ channels and their implications for disease mechanisms

V Checchetto, L Leanza, D De Stefani, R Rizzuto… - Pharmacology & …, 2021 - Elsevier
The field of mitochondrial ion channels underwent a rapid development during the last
decade, thanks to the molecular identification of some of the nuclear-encoded organelle …

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 …

Mitochondrial ion channels

I Szabo, A Szewczyk - Annual Review of Biophysics, 2023 - annualreviews.org
Mitochondria are involved in multiple cellular tasks, such as ATP synthesis, metabolism,
metabolite and ion transport, regulation of apoptosis, inflammation, signaling, and …

Loss of the large conductance calcium-activated potassium channel causes an increase in mitochondrial reactive oxygen species in glioblastoma cells

B Kulawiak, M Żochowska, P Bednarczyk… - … -European Journal of …, 2023 - Springer
Mitochondrial potassium (mitoK) channels play an important role in cellular physiology.
These channels are expressed in healthy tissues and cancer cells. Activation of mitoK …

Multidimensional regulation of cardiac mitochondrial potassium channels

B Kulawiak, P Bednarczyk, A Szewczyk - Cells, 2021 - mdpi.com
Mitochondria play a fundamental role in the energetics of cardiac cells. Moreover,
mitochondria are involved in cardiac ischemia/reperfusion injury by opening the …

Single channel properties of mitochondrial large conductance potassium channel formed by BK-VEDEC splice variant

S Gałecka, B Kulawiak, P Bednarczyk, H Singh… - Scientific reports, 2021 - nature.com
The activation of mitochondrial large conductance calcium-activated potassium (mitoBKCa)
channels increases cell survival during ischemia/reperfusion injury of cardiac cells. The …

Flavonoids as new regulators of mitochondrial potassium channels: contribution to cardioprotection

RP Kampa, A Sęk, P Bednarczyk… - Journal of Pharmacy …, 2023 - academic.oup.com
Objectives Acute myocardial ischemia is one of the major causes of illness in western
society. Reduced coronary blood supply leads to cell death and loss of cardiomyocyte …

[HTML][HTML] Signaling pathways targeting mitochondrial potassium channels

D Rotko, WS Kunz, A Szewczyk, B Kulawiak - The International Journal of …, 2020 - Elsevier
In this review, we describe key signaling pathways regulating potassium channels present in
the inner mitochondrial membrane. The signaling cascades covered here include …

BK in double-membrane organelles: a biophysical, pharmacological, and functional survey

N González-Sanabria, F Echeverría, I Segura… - Frontiers in …, 2021 - frontiersin.org
In the 1970s, calcium-activated potassium currents were recorded for the first time. In
10years, this Ca2+-activated potassium channel was identified in rat skeletal muscle …

Hypoxic regulation of the large-conductance, calcium and voltage-activated potassium channel, BK

SV Ochoa, L Otero, AF Aristizabal-Pachon… - Frontiers in …, 2021 - frontiersin.org
Hypoxia is a condition characterized by a reduction of cellular oxygen levels derived from
alterations in oxygen balance. Hypoxic events trigger changes in cell-signaling cascades …