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 …

[HTML][HTML] Insights into myelin dysfunction in schizophrenia and bipolar disorder

M Valdés-Tovar, AM Rodríguez-Ramírez… - World Journal of …, 2022 - ncbi.nlm.nih.gov
Schizophrenia and bipolar disorder are disabling psychiatric disorders with a worldwide
prevalence of approximately 1%. Both disorders present chronic and deteriorating …

Myelination generates aberrant ultrastructure that is resolved by microglia

M Djannatian, S Radha, U Weikert, S Safaiyan… - Journal of Cell …, 2023 - rupress.org
To enable rapid propagation of action potentials, axons are ensheathed by myelin, a
multilayered insulating membrane formed by oligodendrocytes. Most of the myelin is …

Human early-onset dementia caused by DAP12 deficiency reveals a unique signature of dysregulated microglia

Y Zhou, M Tada, Z Cai, PS Andhey, A Swain… - Nature …, 2023 - nature.com
The TREM2–DAP12 receptor complex sustains microglia functions. Heterozygous
hypofunctional TREM2 variants impair microglia, accelerating late-onset Alzheimer's …

Oligodendrocyte calcium signaling promotes actin-dependent myelin sheath extension

M Iyer, H Kantarci, MH Cooper, N Ambiel… - Nature …, 2024 - nature.com
Myelin is essential for rapid nerve signaling and is increasingly found to play important roles
in learning and in diverse diseases of the CNS. Morphological parameters of myelin such as …

The CNS myelin proteome: deep profile and persistence after post-mortem delay

O Jahn, SB Siems, K Kusch, D Hesse… - Frontiers in Cellular …, 2020 - frontiersin.org
Myelin membranes are dominated by lipids while the complexity of their protein composition
has long been considered to be low. However, numerous additional myelin proteins have …

Ensheathment and myelination of axons: evolution of glial functions

KA Nave, HB Werner - Annual Review of Neuroscience, 2021 - annualreviews.org
Myelination of axons provides the structural basis for rapid saltatory impulse propagation
along vertebrate fiber tracts, a well-established neurophysiological concept. However …

Conservation and divergence of myelin proteome and oligodendrocyte transcriptome profiles between humans and mice

VI Gargareta, J Reuschenbach, SB Siems, T Sun… - Elife, 2022 - elifesciences.org
Human myelin disorders are commonly studied in mouse models. Since both clades
evolutionarily diverged approximately 85 million years ago, it is critical to know to what …

Proteome profile of peripheral myelin in healthy mice and in a neuropathy model

SB Siems, O Jahn, MA Eichel, N Kannaiyan, LMN Wu… - Elife, 2020 - elifesciences.org
Proteome and transcriptome analyses aim at comprehending the molecular profiles of the
brain, its cell-types and subcellular compartments including myelin. Despite the relevance of …

Sarm1 deletion reduces axon damage, demyelination, and white matter atrophy after experimental traumatic brain injury

CM Marion, DP McDaniel, RC Armstrong - Experimental neurology, 2019 - Elsevier
Traumatic brain injury (TBI) often damages axons in white matter tracts and causes corpus
callosum (CC) atrophy in chronic TBI patients. Injured axons encounter irreversible damage …