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Remyelination has been widely noticed as an important repair mechanism triggered after a stroke-induced white matter injury, but it often fails due to the lack of recruitment of the oligodendrocyte progenitor cells (OPCs) to the demyelinated area and the inadequate differentiation of OPCs. Racemic dl-3-n-butylphthalide (dl-NBP) has been reported to improve the functional recovery in animal models of vascular dementia, Alzheimer's disease (AD) and ischemic stroke. Dl-NBP (70 mg/kg) by oral gavage for two weeks from day 7 after a stroke was administered in the study, the treatment promoted differentiation and maturation of OPCs in perilesional white matter and enhanced the length of crossing corticospinal tract (CST) fibers into the denervated hemispheres. These effects could be linked to increased expression levels of brain-derived neurotrophic factor (BDNF) and the reduced expression of neurite outgrowth inhibitor (NogoA) in the perilesional area in dl-NBP group. However, dl-NBP did not increase the numbers of neuron/glia type 2 (NG2)- positive and oligodendrocyte lineage transcription factor 2 (Olig2)- positive cells in the subventricular zone. Our data highlight the effects of dl-NBP in the remyelination process and reveal the therapeutic potential of this approach in cerebral ischemia.
This article was published in the following journal.
Name: Brain research
Occupational exposure to hypobaria (low atmospheric pressure) is a risk factor for reduced white matter integrity, increased white matter hyperintensive burden, and decline in cognitive function. We t...
To investigate the correlation of vasogenic white matter lesions with retinal vascular network parameters using fully automatic retinal image analysis of fundus photographs. A total of 106 patients w...
Sleep complaints and brain changes co-occur in older adulthood, but the temporal relation between these processes is poorly understood. Poor sleep may destabilize axonal integrity and deteriorate whit...
Cerebral white matter lesions are ischemic symptoms caused mainly by microangiopathy; they are diagnosed by MRI because they show up as abnormalities in MRI images. Because patients with white matter ...
Strong evidence has proven that cerebral hypoperfusion is closely related to Parkinson's disease (PD) with cognitive impairment. The aim of this study was to investigate the effect of chronic cerebral...
This is a randomized, triple-blind, placebo-controlled, multicenter clinical trial. investigators plan to enroll 774 eligible patients, which will be randomized into either the butylphthal...
Vascular cognitive impairment no dementia (VCIND) is very common among the aged and tends to progress to dementia, but there have been no proper large-scale intervention trials dedicated t...
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The purpose of the study is to evaluate the prevalence of white matter lesions in Chinese migraineurs with and without right-to-left shunt. The aim is to study the relationship among right...
The researchers' objective is to use diffusion-tensor imaging (DTI) to evaluate infants diagnosed with cerebral white matter injury during the neonatal period and identify antenatal risk f...
Degeneration of white matter adjacent to the CEREBRAL VENTRICLES following cerebral hypoxia or BRAIN ISCHEMIA in neonates. The condition primarily affects white matter in the perfusion zone between superficial and deep branches of the MIDDLE CEREBRAL ARTERY. Clinical manifestations include VISION DISORDERS; CEREBRAL PALSY; PARAPLEGIA; SEIZURES; and cognitive disorders. (From Adams et al., Principles of Neurology, 6th ed, p1021; Joynt, Clinical Neurology, 1997, Ch4, pp30-1)
A "smooth brain" malformation of the CEREBRAL CORTEX resulting from abnormal location of developing neurons during corticogenesis. It is characterized by an absence of normal convoluted indentations on the surface of the brain (agyria), or fewer and shallower indentations (pachygryia). There is a reduced number of cortical layers, typically 4 instead of 6, resulting in a thickened cortex, and reduced cerebral white matter that is a reversal of the normal ratio of cerebral white matter to cortex.
Striped gray and white matter consisting of the NEOSTRIATUM and paleostriatum (GLOBUS PALLIDUS). It is located in front of and lateral to the thalamus in each cerebral hemisphere. The gray substance is made up of the CAUDATE NUCLEUS and the lentiform nucleus (the latter consisting of the GLOBUS PALLIDUS and PUTAMEN). The white matter is the internal capsule.
A condition that is characterized by HEADACHE; SEIZURES; and visual loss with edema in the posterior aspects of the CEREBRAL HEMISPHERES, such as the BRAIN STEM. Generally, lesions involve the white matter (nerve fibers) but occasionally the grey matter (nerve cell bodies).
An outbred strain of rats developed in 1915 by crossing several Wistar Institute white females with a wild gray male. Inbred strains have been derived from this original outbred strain, including Long-Evans cinnamon rats (RATS, INBRED LEC) and Otsuka-Long-Evans-Tokushima Fatty rats (RATS, INBRED OLETF), which are models for Wilson's disease and non-insulin dependent diabetes mellitus, respectively.
Women's Health - key topics include breast cancer, pregnancy, menopause, stroke Follow and track Women's Health News on BioPortfolio: Women's Health News RSS Women'...
Stroke - Cerebrovascular Disease (CVA)
A stroke is a serious medical condition that occurs when the blood supply to part of the brain is cut off. Strokes are a medical emergency and prompt treatment is essential because the sooner a person receives treatment for a stroke, the less damage is ...