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Glial Cells and Integrity of the Nervous System

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Glial Cells in Health and Disease of the CNS

Abstract

Today, there is enormous progress in understanding the function of glial cells, including astroglia, oligodendroglia, Schwann cells, and microglia. Around 150 years ago, glia were viewed as a glue among neurons. During the course of the twentieth century, microglia were discovered and neuroscientists’ views evolved toward considering glia only as auxiliary cells of neurons. However, over the last two to three decades, glial cells’ importance has been reconsidered because of the evidence on their involvement in defining central nervous system architecture, brain metabolism, the survival of neurons, development and modulation of synaptic transmission, propagation of nerve impulses, and many other physiological functions. Furthermore, increasing evidence shows that glia are involved in the mechanisms of a broad spectrum of pathologies of the nervous system, including some psychiatric diseases, epilepsy, and neurodegenerative diseases to mention a few. It appears safe to say that no neurological disease can be understood without considering neuron–glia crosstalk. Thus, this book aims to show different roles played by glia in the healthy and diseased nervous system, highlighting some of their properties while considering that the various glial cell types are essential components not only for cell function and integration among neurons, but also for the emergence of important brain homeostasis.

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Abbreviations

ADNF:

Activity-dependent neurotrophic factor

ADAM10:

A disintegrin and metalloproteinase domain-containing protein 10

AMPA:

α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid

ATP:

Adenosine triphosphate

CNS:

Central nervous system

EAAT:

Excitatory amino acid transporters

EGF:

Epidermal growth factor

ER:

Endoplasmic reticulum

FcR:

Receptor for the (Fragment, crystallizable) region of antibodies

GABA:

γ-aminobutyric acid

GDNF:

Glial cell-derived neurotrophic factor

GFAP:

Glial fibrillary acidic protein

IGF-I:

Insulin-like growth factor 1

iNOS:

Inducible nitric oxide synthase

InsP3 :

Inositol trisphosphate

MAG:

Myelin associated glycoprotein

MBP:

Myelin basic protein

MOG:

Myelin oligodendrocyte glycoprotein

MS:

Multiple sclerosis

NCAM:

Neural cell adhesion molecule

NG-2:

Neuron–Glia antigen 2

NMDA:

n-methyl-d-aspartate

NO:

Nitric oxide

OPCs:

Oligodendrocyte precursor cells

PLP:

Proteolipidprotein/DM20

PNS:

Peripheral nervous system

PMP22:

Peripheral myelin protein-22

P0:

Protein zero

ROS:

Reactive oxygen species

TNFα:

Tumor necrosis factor α

VGLUT:

Vesicular glutamate transporters

VNUT:

Vesicular nucleotide transporters

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Acknowledgments

Supported by Grants Fondo Nacional de Desarrollo Científico y Tecnológico (FONDECYT) 1130874 (JE) and 1131025 (RvB).

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Correspondence to Rommy von Bernhardi .

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© 2016 Springer International Publishing Switzerland

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von Bernhardi, R., Eugenín-von Bernhardi, J., Flores, B., Eugenín León, J. (2016). Glial Cells and Integrity of the Nervous System. In: von Bernhardi, R. (eds) Glial Cells in Health and Disease of the CNS. Advances in Experimental Medicine and Biology, vol 949. Springer, Cham. https://doi.org/10.1007/978-3-319-40764-7_1

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