نتایج جستجو برای: myelin repair

تعداد نتایج: 149331  

Journal: :Frontiers in Cellular Neuroscience 2021

  Background: The standard method for repair of an injured peripheal nerve is epineural repair with separate sutures. Herein we describe a method in which the nerve is sutured with continous sutures. In fact this method has not been utilized for nerve repair previously and our purpose was to compare it to the standard method. If it proved to be successful it would replace the standard method in...

Azim Hedayatpour, Behzad Khallaghi Fatemeh Malek Iraj Ragerdi Kashani, Laya Kafami Parichehr Pasbakhsh

Background: Progesterone as a sex steroid hormone is thought to affect and prevent demyelination, but its role in promoting myelin repair is far less investigated. In this study, remyelinating potential of progesterone in corpus callosum was evaluated on an experimental model of MS.Methods: In this experimental study, adult male C57BL/6 mice were fed with 0.2% (w/w) cuprizone in ground breeder ...

Journal: :the archives of bone and joint surgery 0
alireza saied kerman neuroscience research center, dr bahonar hospital, kerman university of medical sciences, kerman, iran majid asadi shekar kerman neuroscience research center, dr bahonar hospital, kerman university of medical sciences, kerman, iran amirreza sadeghifar kerman neuroscience research center, dr bahonar hospital, kerman university of medical sciences, kerman, iran ali karbalaeikhani aja university of medical sciences, emam reza hospital , tehran, iran

background: the standard method for repair of an injured peripheal nerve is epineural repair with separate sutures. herein we describe a method in which the nerve is sutured with continous sutures. in fact this method has not been utilized for nerve repair previously and our purpose was to compare it to the standard method. if it proved to be successful it would replace the standard method in c...

2012
Peter J. Arthur-Farraj Morwena Latouche Daniel K. Wilton Susanne Quintes Elodie Chabrol Ambily Banerjee Ashwin Woodhoo Billy Jenkins Mary Rahman Mark Turmaine Grzegorz K. Wicher Richard Mitter Linda Greensmith Axel Behrens Gennadij Raivich Rhona Mirsky Kristján R. Jessen

The radical response of peripheral nerves to injury (Wallerian degeneration) is the cornerstone of nerve repair. We show that activation of the transcription factor c-Jun in Schwann cells is a global regulator of Wallerian degeneration. c-Jun governs major aspects of the injury response, determines the expression of trophic factors, adhesion molecules, the formation of regeneration tracks and m...

2015
Michael Thumm Mikael Simons

When nerve injury occurs, the axon and myelin fragments distal to the injury site have to be cleared away before repair. In this issue, Gomez-Sanchez et al. (2015; J. Cell Biol. http://dx.doi.org/10.1083/jcb.201503019) find that clearance of the damaged myelin within Schwann cells occurs not by phagocytosis but rather via selective autophagy, in a process they term "myelinophagy."

2014
Wenjun Zhu Crystal Acosta Brian J. MacNeil Thomas Klonisch Claudia Cortes Malcolm Doupe Michael Namaka

Multiple sclerosis (MS) is a chronic inflammatory autoimmune disease that destroys central nervous system (CNS) myelin. Although, the exact pathophysiology of MS is unknown, it is associated with CNS infiltration of T-cells and monocytes, which subsequently activate phagocytic cells that directly damage myelin. Brain-derived neurotrophic factor (BDNF) and its receptor, tropomyosin-related kinas...

تربالی, سپیده, خضری, شیوا, رحمانی, فاطمه, صمدی, ﺳﭙﻴﺪه,

Background and purpose: Optic neuritis is one of the appearances of Multiple Sclerosis (MS).  Progesterone has a protective effect in central nervous system, so, in this study we aimed at investigating the effect of progesterone on myelin repair of the optic chiasm in male rats by studying the genes expression of Olig 2 (marker of oligodendrocyte precursor cells), GFAP (marker of astrocyte...

Fatemeh Fanoudi, Sarvenaz Mirzakhani,

Inflammation is an important factor in the pathophysiology of neurological diseases and the physiological response of the immune system against internal and external harmful stimuli. Inflammation is the natural response of the body to damage, which leads to the removal of debris from dead cells and infections from damage and tissue repair. In this study, neuropathic inflammation and its role in...

2016
Rainer Akkermann Janusz Joachim Jadasz Kasum Azim Patrick Küry

Irreversible functional deficits in multiple sclerosis (MS) are directly correlated to axonal damage and loss. Neurodegeneration results from immune-mediated destruction of myelin sheaths and subsequent axonal demyelination. Importantly, oligodendrocytes, the myelinating glial cells of the central nervous system, can be replaced to some extent to generate new myelin sheaths. This endogenous reg...

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