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Lactate: More Than Merely a Metabolic Waste Product in the Inner Retina

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@article{19e5b0b975c14f4d9389d9a642752b70,
title = "Lactate: More Than Merely a Metabolic Waste Product in the Inner Retina",
abstract = "The retina is an extension of the central nervous system and has been considered to be a simplified, more tractable and accessible version of the brain for a variety of neuroscience investigations. The optic nerve displays changes in response to underlying neurodegenerative diseases, such as stroke, multiple sclerosis, and Alzheimer's disease, as well as inner retinal neurodegenerative disease, e.g., glaucoma. Neurodegeneration has increasingly been linked to dysfunctional energy metabolism or conditions in which the energy supply does not meet the demand. Likewise, increasing lactate levels have been correlated with conditions consisting of unbalanced energy supply and demand, such as ischemia-associated diseases or excessive exercise. Lactate has thus been acknowledged as a metabolic waste product in organs with high energy metabolism. However, in the past decade, numerous beneficial roles of lactate have been revealed in the central nervous system. In this context, lactate has been identified as a valuable energy substrate, protecting against glutamate excitotoxicity and ischemia, as well as having signaling properties which regulate cellular functions. The present review aims to summarize and discuss protective roles of lactate in various model systems (in vitro, ex vivo, and in vivo) reflecting the inner retina focusing on lactate metabolism and signaling in inner retinal homeostasis and disease.",
keywords = "G protein coupled receptor 81, Lactate, Mitochondria, Monocarboxylate transporter, M{\"u}ller cell, Retinal ganglion cell",
author = "Rupali Vohra and Miriam Kolko",
year = "2020",
month = "4",
doi = "10.1007/s12035-019-01863-8",
language = "English",
volume = "57",
pages = "2021--2037",
journal = "Molecular Neurobiology",
issn = "0893-7648",
publisher = "Humana Press, Inc",
number = "4",

}

RIS

TY - JOUR

T1 - Lactate

T2 - More Than Merely a Metabolic Waste Product in the Inner Retina

AU - Vohra, Rupali

AU - Kolko, Miriam

PY - 2020/4

Y1 - 2020/4

N2 - The retina is an extension of the central nervous system and has been considered to be a simplified, more tractable and accessible version of the brain for a variety of neuroscience investigations. The optic nerve displays changes in response to underlying neurodegenerative diseases, such as stroke, multiple sclerosis, and Alzheimer's disease, as well as inner retinal neurodegenerative disease, e.g., glaucoma. Neurodegeneration has increasingly been linked to dysfunctional energy metabolism or conditions in which the energy supply does not meet the demand. Likewise, increasing lactate levels have been correlated with conditions consisting of unbalanced energy supply and demand, such as ischemia-associated diseases or excessive exercise. Lactate has thus been acknowledged as a metabolic waste product in organs with high energy metabolism. However, in the past decade, numerous beneficial roles of lactate have been revealed in the central nervous system. In this context, lactate has been identified as a valuable energy substrate, protecting against glutamate excitotoxicity and ischemia, as well as having signaling properties which regulate cellular functions. The present review aims to summarize and discuss protective roles of lactate in various model systems (in vitro, ex vivo, and in vivo) reflecting the inner retina focusing on lactate metabolism and signaling in inner retinal homeostasis and disease.

AB - The retina is an extension of the central nervous system and has been considered to be a simplified, more tractable and accessible version of the brain for a variety of neuroscience investigations. The optic nerve displays changes in response to underlying neurodegenerative diseases, such as stroke, multiple sclerosis, and Alzheimer's disease, as well as inner retinal neurodegenerative disease, e.g., glaucoma. Neurodegeneration has increasingly been linked to dysfunctional energy metabolism or conditions in which the energy supply does not meet the demand. Likewise, increasing lactate levels have been correlated with conditions consisting of unbalanced energy supply and demand, such as ischemia-associated diseases or excessive exercise. Lactate has thus been acknowledged as a metabolic waste product in organs with high energy metabolism. However, in the past decade, numerous beneficial roles of lactate have been revealed in the central nervous system. In this context, lactate has been identified as a valuable energy substrate, protecting against glutamate excitotoxicity and ischemia, as well as having signaling properties which regulate cellular functions. The present review aims to summarize and discuss protective roles of lactate in various model systems (in vitro, ex vivo, and in vivo) reflecting the inner retina focusing on lactate metabolism and signaling in inner retinal homeostasis and disease.

KW - G protein coupled receptor 81

KW - Lactate

KW - Mitochondria

KW - Monocarboxylate transporter

KW - Müller cell

KW - Retinal ganglion cell

U2 - 10.1007/s12035-019-01863-8

DO - 10.1007/s12035-019-01863-8

M3 - Review

VL - 57

SP - 2021

EP - 2037

JO - Molecular Neurobiology

JF - Molecular Neurobiology

SN - 0893-7648

IS - 4

ER -

ID: 59168042