The ATPase Inhibitory Factor 1 (IF1) Contributes to the Warburg Effect and Is Regulated by Its Phosphorylation in S39 by a Protein Kinase A-like Activity

JM Cuezva, S Domínguez-Zorita - Cancers, 2024 - mdpi.com
Simple Summary The ATPase Inhibitory Factor 1 (IF1) plays a prominent role as an inhibitor
of mitochondrial ATP synthase. Herein we review the role of IF1 in promoting the Warburg …

Large-scale column-free purification of bovine F-ATP synthase

C Jiko, Y Morimoto, T Tsukihara, C Gerle - Journal of Biological Chemistry, 2024 - ASBMB
Mammalian F-ATP synthase is central to mitochondrial bioenergetics and is present in the
inner mitochondrial membrane in a dynamic oligomeric state of higher oligomers, tetramers …

Spatial adjustment of bioenergetics, a possible determinant of contractile adaptation and development of contractile failure

M Szibor, M Mühlon, T Doenst… - Frontiers in Molecular …, 2023 - frontiersin.org
Cardiomyocytes depend on mitochondrial oxidative phosphorylation (OXPHOS) for energy
metabolism, which is facilitated by the mitochondrial electron transfer system (ETS). In a …

[HTML][HTML] IF1 Promotes Cellular Proliferation and Inhibits Oxidative Phosphorylation in Mouse Embryonic Fibroblasts under Normoxia and Hypoxia

L Lauterboeck, SW Kang, D White III, R Bao… - Cells, 2024 - mdpi.com
ATP synthase inhibitory factor subunit 1 (IF1) is an inhibitory subunit of mitochondrial ATP
synthase, playing a crucial role in regulating mitochondrial respiration and energetics. It is …

Ablation of Atp5if1 impairs metabolic reprogramming and proliferation of T lymphocytes and compromises mouse survival

I Romero-Carramiñana, S Dominguez-Zorita… - Iscience, 2024 - cell.com
T cells experience metabolic reprogramming to an enhanced glycolysis upon activation.
Herein, we have investigated whether ATPase Inhibitory Factor 1 (IF1), the physiological …

The Toxoplasma gondii homolog of ATPase inhibitory factor 1 is critical for mitochondrial cristae maintenance and stress response

MM Usey, AA Ruberto, KV Parker… - Molecular Biology of the …, 2025 - molbiolcell.org
The production of energy in the form of ATP by the mitochondrial ATP synthase must be
tightly controlled. One well-conserved form of regulation is mediated via ATPase inhibitory …

[HTML][HTML] Mitochondria inside acute myeloid leukemia cells hydrolyze ATP to resist chemotherapy

JT Hagen, MM Montgomery, RT Aruleba, BR Chrest… - bioRxiv, 2024 - ncbi.nlm.nih.gov
Despite early optimism, therapeutics targeting oxidative phosphorylation (OxPhos) have
faced clinical setbacks, stemming from their inability to distinguish healthy from cancerous …

ATPIF-1 knockout attenuates mitochondrial mPTP opening but does not diminish cardiac ischemic/reperfusion injury.

BD Westenbrink, P Sánchez-Aguilera… - 2024 - researchsquare.com
Ischemic conditions can flip the action of mitochondrial ATP-synthase from an ATP
producing to an ATP consuming enzyme. The mitochondrial protein ATPase inhibitory factor …