Oligodendrocytes: myelination, plasticity, and axonal support

M Simons, EM Gibson, KA Nave - Cold Spring Harbor …, 2024 - cshperspectives.cshlp.org
The myelination of axons has evolved to enable fast and efficient transduction of electrical
signals in the vertebrate nervous system. Acting as an electric insulator, the myelin sheath is …

Pushing the boundaries of brain organoids to study Alzheimer's disease

J Cerneckis, G Bu, Y Shi - Trends in molecular medicine, 2023 - cell.com
Progression of Alzheimer's disease (AD) entails deterioration or aberrant function of multiple
brain cell types, eventually leading to neurodegeneration and cognitive decline. Defining …

Oligodendrocyte–axon metabolic coupling is mediated by extracellular K+ and maintains axonal health

ZJ Looser, Z Faik, L Ravotto, HS Zanker, RB Jung… - Nature …, 2024 - nature.com
The integrity of myelinated axons relies on homeostatic support from oligodendrocytes
(OLs). To determine how OLs detect axonal spiking and how rapid axon–OL metabolic …

CNS myelination requires VAMP2/3-mediated membrane expansion in oligodendrocytes

M Lam, K Takeo, RG Almeida, MH Cooper… - Nature …, 2022 - nature.com
Myelin is required for rapid nerve signaling and is emerging as a key driver of CNS plasticity
and disease. How myelin is built and remodeled remains a fundamental question of …

Mechanisms of axonal support by oligodendrocyte-derived extracellular vesicles

EM Krämer-Albers, HB Werner - Nature Reviews Neuroscience, 2023 - nature.com
Extracellular vesicles (EVs) have recently emerged as versatile elements of cell
communication in the nervous system, mediating tissue homeostasis. EVs influence the …

[HTML][HTML] White matter damage and degeneration in traumatic brain injury

RC Armstrong, GM Sullivan, DP Perl, JD Rosarda… - Trends in …, 2024 - cell.com
Traumatic brain injury (TBI) is a complex condition that can resolve over time but all too often
leads to persistent symptoms, and the risk of poor patient outcomes increases with aging …

[HTML][HTML] Brain incoming call from glia during neuroinflammation: Roles of extracellular vesicles

F D'Egidio, V Castelli, M d'Angelo, F Ammannito… - Neurobiology of …, 2024 - Elsevier
The functionality of the central nervous system (CNS) relies on the connection, integration,
and the exchange of information among neural cells. The crosstalk among glial cells and …

Myelin organoids for the study of Alzheimer's disease

J Cerneckis, Y Shi - Frontiers in Neuroscience, 2023 - frontiersin.org
Alzheimer's disease (AD) remains a leading cause of dementia and poses a heavy burden
on aging populations worldwide (Long and Holtzman, 2019). Amyloid-targeting antibodies …

Myelin basic protein mRNA levels affect myelin sheath dimensions, architecture, plasticity, and density of resident glial cells

H Bagheri, H Friedman, A Hadwen, C Jarweh… - Glia, 2024 - Wiley Online Library
Abstract Myelin Basic Protein (MBP) is essential for both elaboration and maintenance of
CNS myelin, and its reduced accumulation results in hypomyelination. How different Mbp …

Focused ion beam‐scanning electron microscopy links pathological myelin outfoldings to axonal changes in mice lacking Plp1 or Mag

AM Steyer, TJ Buscham, C Lorenz, S Hümmert… - Glia, 2023 - Wiley Online Library
Healthy myelin sheaths consist of multiple compacted membrane layers closely encasing
the underlying axon. The ultrastructure of CNS myelin requires specialized structural myelin …