Aerobic glycolysis in the retina: functional roles of pyruvate kinase isoforms
RVS Rajala - Frontiers in Cell and Developmental Biology, 2020 - frontiersin.org
One hundred years ago, Otto Heinrich Warburg observed that postmitotic retinal cells are the
highest oxygen-consuming cells in the body. He compared these cells to actively growing …
highest oxygen-consuming cells in the body. He compared these cells to actively growing …
Pyruvate kinase M2 regulates photoreceptor structure, function, and viability
A Rajala, Y Wang, RS Brush, K Tsantilas… - Cell death & …, 2018 - nature.com
Abstract Pyruvate kinase M2 (PKM2) is a glycolytic enzyme that is expressed in cancer cells.
Its role in tumor metabolism is not definitively established, but investigators have suggested …
Its role in tumor metabolism is not definitively established, but investigators have suggested …
[HTML][HTML] M-type pyruvate kinase isoforms and lactate dehydrogenase A in the mammalian retina: metabolic implications
Purpose: Like cancer cells, photoreceptor cells produce lactate aerobically, requiring lactate
dehydrogenase A (LDH-A). Cancer cells also use glycolytic intermediates for biosynthesis …
dehydrogenase A (LDH-A). Cancer cells also use glycolytic intermediates for biosynthesis …
The Warburg effect mediator pyruvate kinase M2 expression and regulation in the retina
RVS Rajala, A Rajala, C Kooker, Y Wang… - Scientific reports, 2016 - nature.com
The tumor form of pyruvate kinase M2 (PKM2) undergoes tyrosine phosphorylation and
gives rise to the Warburg effect. The Warburg effect defines a pro-oncogenic metabolism …
gives rise to the Warburg effect. The Warburg effect defines a pro-oncogenic metabolism …
Pyruvate kinase M2 isoform deletion in cone photoreceptors results in age-related cone degeneration
A Rajala, Y Wang, K Soni, RVS Rajala - Cell death & disease, 2018 - nature.com
The tumor form of pyruvate kinase M2 has been suggested to promote cellular anabolism by
redirecting the metabolism to cause accumulation of glycolytic intermediates and increasing …
redirecting the metabolism to cause accumulation of glycolytic intermediates and increasing …
Power to see—Drivers of aerobic glycolysis in the mammalian retina: A review
CD Haydinger, T Kittipassorn… - Clinical & Experimental …, 2020 - Wiley Online Library
The mammalian retina converts most glucose to lactate rather than catabolizing it completely
to carbon dioxide via oxidative phosphorylation, despite the availability of oxygen. This …
to carbon dioxide via oxidative phosphorylation, despite the availability of oxygen. This …
[HTML][HTML] The cellular and compartmental profile of mouse retinal glycolysis, tricarboxylic acid cycle, oxidative phosphorylation, and~ P transferring kinases
EM Rueda, JE Johnson Jr, A Giddabasappa… - Molecular …, 2016 - ncbi.nlm.nih.gov
Purpose The homeostatic regulation of cellular ATP is achieved by the coordinated activity
of ATP utilization, synthesis, and buffering. Glucose is the major substrate for ATP synthesis …
of ATP utilization, synthesis, and buffering. Glucose is the major substrate for ATP synthesis …
Multiple functions of pyruvate kinase M2 in various cell types
Glucose metabolism is a mechanism by which energy is produced in form of adenosine
triphosphate (ATP) by mitochondria and precursor metabolites are supplied to enable the …
triphosphate (ATP) by mitochondria and precursor metabolites are supplied to enable the …
Loss of MPC1 reprograms retinal metabolism to impair visual function
A Grenell, Y Wang, M Yam, A Swarup… - Proceedings of the …, 2019 - National Acad Sciences
Glucose metabolism in vertebrate retinas is dominated by aerobic glycolysis (the “Warburg
Effect”), which allows only a small fraction of glucose-derived pyruvate to enter mitochondria …
Effect”), which allows only a small fraction of glucose-derived pyruvate to enter mitochondria …
Photoreceptor metabolic reprogramming provides survival advantage in acute stress while causing chronic degeneration
TJ Wubben, M Pawar, A Smith, K Toolan, H Hager… - Scientific reports, 2017 - nature.com
Photoreceptor death is the root cause of vision loss in many retinal disorders, and there is an
unmet need for neuroprotective modalities to improve photoreceptor survival. The …
unmet need for neuroprotective modalities to improve photoreceptor survival. The …