The cell biology of the retinal pigment epithelium

A Lakkaraju, A Umapathy, LX Tan, L Daniele… - Progress in retinal and …, 2020 - Elsevier
The retinal pigment epithelium (RPE), a monolayer of post-mitotic polarized epithelial cells,
strategically situated between the photoreceptors and the choroid, is the primary caretaker of …

Retina metabolism and metabolism in the pigmented epithelium: a busy intersection

JB Hurley - Annual review of vision science, 2021 - annualreviews.org
The outer retina is nourished from the choroid, a capillary bed just inside the sclera. O2,
glucose, and other nutrients diffuse out of the choroid and then filter through a monolayer of …

Metabolic reprogramming of terminally exhausted CD8+ T cells by IL-10 enhances anti-tumor immunity

Y Guo, YQ Xie, M Gao, Y Zhao, F Franco, M Wenes… - Nature …, 2021 - nature.com
T cell exhaustion presents one of the major hurdles to cancer immunotherapy. Among
exhausted CD8+ tumor-infiltrating lymphocytes, the terminally exhausted subset contributes …

[HTML][HTML] The pyruvate-lactate axis modulates cardiac hypertrophy and heart failure

AA Cluntun, R Badolia, S Lettlova, KM Parnell… - Cell metabolism, 2021 - cell.com
The metabolic rewiring of cardiomyocytes is a widely accepted hallmark of heart failure (HF).
These metabolic changes include a decrease in mitochondrial pyruvate oxidation and an …

[HTML][HTML] Mitochondrial oxidative stress in the retinal pigment epithelium (RPE) led to metabolic dysfunction in both the RPE and retinal photoreceptors

EE Brown, AJ DeWeerd, CJ Ildefonso, AS Lewin… - Redox biology, 2019 - Elsevier
Age-related macular degeneration (AMD) is the leading cause of vision loss in the western
world. Recent evidence suggests that RPE and photoreceptors have an interconnected …

[HTML][HTML] Regulation of tumor initiation by the mitochondrial pyruvate carrier

CL Bensard, DR Wisidagama, KA Olson, JA Berg… - Cell metabolism, 2020 - cell.com
Although metabolic adaptations have been demonstrated to be essential for tumor cell
proliferation, the metabolic underpinnings of tumor initiation are poorly understood. We …

[HTML][HTML] Glial metabolic rewiring promotes axon regeneration and functional recovery in the central nervous system

F Li, A Sami, HN Noristani, K Slattery, J Qiu, T Groves… - Cell metabolism, 2020 - cell.com
Axons in the mature central nervous system (CNS) fail to regenerate after axotomy, partly
due to the inhibitory environment constituted by reactive glial cells producing astrocytic …

[HTML][HTML] The multifaceted pyruvate metabolism: role of the mitochondrial pyruvate carrier

J Zangari, F Petrelli, B Maillot, JC Martinou - Biomolecules, 2020 - mdpi.com
Pyruvate, the end product of glycolysis, plays a major role in cell metabolism. Produced in
the cytosol, it is oxidized in the mitochondria where it fuels the citric acid cycle and boosts …

[HTML][HTML] Glutathione metabolism and the novel role of mitochondrial GSH in retinal degeneration

PG Sreekumar, DA Ferrington, R Kannan - Antioxidants, 2021 - mdpi.com
Glutathione (GSH) is present ubiquitously, and its role as a crucial cellular antioxidant in
tissues, including the retina, is well established. GSH's antioxidant function arises from its …

The mitochondrial pyruvate carrier at the crossroads of intermediary metabolism

NKH Yiew, BN Finck - American Journal of Physiology …, 2022 - journals.physiology.org
Pyruvate metabolism, a central nexus of carbon homeostasis, is an evolutionarily conserved
process and aberrant pyruvate metabolism is associated with and contributes to numerous …