Results 41 to 50 of about 5,710 (168)

The unusual microtubule polarity in teleost retinal pigment epithelial cells. [PDF]

open access: yes, 1988
In cells of the teleost retinal pigment epithelium (RPE), melanin granules disperse into the RPE cells long apical projections in response to light onset, and aggregate toward the base of the RPE cell in response to dark onset.
BURNSIDE, Beth, Troutt, L
core   +1 more source

Quantitative MRI Assessment Using Variable Echo Time Imaging of Peripheral Nerve Injury in ATTRv Amyloidosis Patients

open access: yesEuropean Journal of Neurology, Volume 32, Issue 4, April 2025.
ABSTRACT Background and Purpose Early detection of peripheral nerve damage in patients with hereditary transthyretin amyloidosis (ATTRv) has become essential for the prompt initiation of effective, recently approved therapies. In our study, we propose a new variable echo time (vTE) MRI sequence as a non‐invasive method to detect nerve injury in ATTRv ...
Carlo Asteggiano   +12 more
wiley   +1 more source

Vesicular glutamate release from central axons contributes to myelin damage [PDF]

open access: yes, 2018
Neuronal activity can lead to vesicular release of glutamate. Here the authors demonstrate that vesicular release of glutamate occurs in axons during ischemic conditions, and that an allosteric modulator of GluN2C/D is protective in models of ischemic ...
A Chamorro   +45 more
core   +3 more sources

Longitudinal Imaging Biomarkers Correlate with Progressive Motor Deficit in the Mouse Model of Charlevoix‐Saguenay Ataxia

open access: yesAnnals of Neurology, Volume 97, Issue 3, Page 425-434, March 2025.
Objective In autosomal recessive spastic ataxia of Charlevoix‐Saguenay (ARSACS) disease, severity and age of onset vary greatly, hindering to objectively measure and predict clinical progression. Thickening of the retinal nerve fiber layer is distinctive of ARSACS patients, as assessed by optical coherence tomography, whereas conventional brain ...
Valentina Gigliucci   +9 more
wiley   +1 more source

Imaging of the Lamina Cribrosa using Swept-Source Optical Coherence Tomography. [PDF]

open access: yes, 2012
The lamina cribrosa (LC) is the presumed site of axonal injury in glaucoma. Its deformation has been suggested to contribute to optic neuropathy by impeding axoplasmic flow within the optic nerve fibers, leading to apoptosis of retinal ganglion cells. To
Mansouri, Kaweh   +2 more
core   +2 more sources

Stabilization of mitochondria‐associated endoplasmic reticulum membranes regulates Aβ generation in a three‐dimensional neural model of Alzheimer's disease

open access: yesAlzheimer's &Dementia, Volume 21, Issue 2, February 2025.
Abstract INTRODUCTION We previously demonstrated that regulating mitochondria‐associated endoplasmic reticulum (ER) membranes (MAMs) affects axonal Aβ generation in a well‐characterized three‐dimensional (3D) neural Alzheimer's disease (AD) model. MAMs vary in thickness and length, impacting their functions.
Jacob C. Zellmer   +6 more
wiley   +1 more source

The autonomous axon: a model based on local synthesis of proteins

open access: yesBiological Research, 2001
In the current understanding of axons, axoplasmic synthesis of proteins is negated, and it is asserted that proteins are transported from perikarya to axons. This 'transport model' in which axons are fully dependent of perikarya is seriously flawed. The '
JAIME ALVAREZ
doaj  

Dendritic transport. I. Colchicine stimulates the transport of lysosomal enzymes from cell bodies to dendrites. [PDF]

open access: yes, 1985
Injection of colchicine into the lateral cerebral ventricle of the rat was found to induce a paradoxical translocation of two lysosomal enzymes, dipeptidyl peptidase II (Dpp II) and acid phosphatase, from the soma of neurons to the dendrites. Following a
Bundman, MC   +4 more
core   +1 more source

Self‐Healing COCu‐Tac Hydrogel Enhances iNSCs Transplantation for Spinal Cord Injury by Promoting Mitophagy via the FKBP52/AKT Pathway

open access: yesAdvanced Science, Volume 12, Issue 3, January 20, 2025.
A novel hydrogel‐based transplant system (COCu‐Tac) for induced neural stem cell (iNSCs) therapy in spinal cord injury is introduced. This system offers self‐healing properties, sustained tacrolimus release, and reduces immune rejection without systemic immunosuppression.
Zhenming Tian   +8 more
wiley   +1 more source

Diffuse axonal injury and oxidative stress: A comprehensive review [PDF]

open access: yes, 2017
Traumatic brain injury (TBI) is one of the worldâ\u80\u99s leading causes of morbidity and mortality among young individuals. TBI applies powerful rotational and translational forces to the brain parenchyma, which results in a traumatic diffuse axonal ...
Cerretani, Daniela   +10 more
core   +4 more sources

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