Lactate activates the mitochondrial electron transport chain independently of its metabolism

X Cai, CP Ng, O Jones, TS Fung, KW Ryu, D Li… - Molecular cell, 2023 - cell.com
Lactate has long been considered a cellular waste product. However, we found that as
extracellular lactate accumulates, it also enters the mitochondrial matrix and stimulates …

[HTML][HTML] Waste not, want not: lactate oxidation fuels the TCA cycle

I Martínez-Reyes, NS Chandel - Cell metabolism, 2017 - cell.com
Previous studies have demonstrated that mitochondrial respiration is essential for
tumorigenesis. Hui et al.(2017) and Faubert et al.(2017) demonstrate that lactate …

[HTML][HTML] Lactate elicits ER-mitochondrial Mg2+ dynamics to integrate cellular metabolism

CC Daw, K Ramachandran, BT Enslow, S Maity… - Cell, 2020 - cell.com
Mg 2+ is the most abundant divalent cation in metazoans and an essential cofactor for ATP,
nucleic acids, and countless metabolic enzymes. To understand how the spatio-temporal …

Lactate metabolism is associated with mammalian mitochondria

YJ Chen, NG Mahieu, X Huang, M Singh… - Nature chemical …, 2016 - nature.com
It is well established that lactate secreted by fermenting cells can be oxidized or used as a
gluconeogenic substrate by other cells and tissues. It is generally assumed, however, that …

[HTML][HTML] Mitochondrial lactate dehydrogenase is involved in oxidative-energy metabolism in human astrocytoma cells (CCF-STTG1)

J Lemire, RJ Mailloux, VD Appanna - PloS one, 2008 - journals.plos.org
Lactate has long been regarded as an end product of anaerobic energy production and its
fate in cerebral metabolism has not been precisely delineated. In this report, we …

[HTML][HTML] Lactate dehydrogenase supports lactate oxidation in mitochondria isolated from different mouse tissues

A Young, C Oldford, RJ Mailloux - Redox biology, 2020 - Elsevier
Research over the past seventy years has established that mitochondrial-l-lactate
dehydrogenase (mL-LDH) is vital for mitochondrial bioenergetics. However, in recent report …

Role of mitochondrial lactate dehydrogenase and lactate oxidation in the intracellular lactate shuttle

GA Brooks, H Dubouchaud, M Brown… - Proceedings of the …, 1999 - National Acad Sciences
To evaluate the potential role of mitochondrial lactate dehydrogenase (LDH) in tissue lactate
clearance and oxidation in vivo, isolated rat liver, cardiac, and skeletal muscle mitochondria …

[HTML][HTML] Lactate shuttle–between but not within cells?

GA Brooks - The Journal of physiology, 2002 - ncbi.nlm.nih.gov
There appears to be general agreement among many authors on key aspects of the lactate
shuttle concept, ie that the production, exchange and utilization of lactate are major means …

[HTML][HTML] Glutamine oxidation maintains the TCA cycle and cell survival during impaired mitochondrial pyruvate transport

C Yang, B Ko, CT Hensley, L Jiang, AT Wasti, J Kim… - Molecular cell, 2014 - cell.com
Alternative modes of metabolism enable cells to resist metabolic stress. Inhibiting these
compensatory pathways may produce synthetic lethality. We previously demonstrated that …

[HTML][HTML] Physiology, glucose

PJ Hantzidiamantis, SL Lappin - 2019 - europepmc.org
Glucose is a 6-carbon structure with the chemical formula C6H12O6. It is a ubiquitous
source of energy for every organism in the world and is essential to fuel both aerobic and …