نتایج جستجو برای: nerve growth factors
تعداد نتایج: 1917112 فیلتر نتایج به سال:
Clinical efficacy of stem cells for nerve repair is likely to be influenced by issues including donor age and in vitro expansion time. We isolated human mesenchymal stem cells (MSC) from bone marrow of young (16-18 years) and old (67-75 years) donors and analyzed their capacity to differentiate and promote neurite outgrowth from dorsal root ganglia (DRG) neurons. Treatment of MSC with growth fa...
background: considering the common origin of skin and peripheral nervous system, a tube of dermal layer of skin hypothetically can be an ideal conduit for nerve reconstruction. an experimental study performed to evaluate the nerve regeneration of efficacy into a dermal tube. methods: sixty male wistar rats were used. a 10 mm gap was produced in right sciatic nerves. in group a the autogenous ne...
OBJECTIVE To investigate the role of 2 angiogenic/neurogenic growth factors, vascular endothelial growth factor (VEGF), and platelet-derived growth factor (PDGF) in Saudi children with autism. METHODS The study included a total of 60 children that included 20 controls and 40 patients with a confirmed diagnosis of autism. The study was conducted in the Department of Physiology, Faculty of Medi...
Peripheral axons of dorsal root ganglion (DRG) neurons, but not their central axons in the dorsal columns, regenerate after injury. However, if the neurons are conditioned by a peripheral nerve injury into an actively growing state, the rate of peripheral axonal growth is accelerated and the injured central axons begin to regenerate. The growth-promoting effects of conditioning injuries have tw...
Background: Diabetic neuropathy is one of the most common complications of diabetes mellitus, which is associated with a decrease in the synthesis and transport of neurotrophins . The aim of present study was to investigate the effect of endurance training on gene expression of nerve growth factor (NGF) in the sensory spinal cord of rats with diabetic neuropathy. Methods: Twenty ei...
Previous work has revealed robust dorsal root ganglia neurite growth in hydrogels of chondroitin sulfate. In the current work, it was determined whether addition of a synthetic bioactive peptide could augment neurite growth in these matrices via enhanced binding and sequestering of growth factors. Fluorescence recovery after photobleaching studies revealed that addition of peptide slowed nerve ...
Axons regenerate to reinnervate denervated skeletal muscle fibers precisely at original synaptic sites, and they differentiate into nerve terminals where they contact muscle fibers. The aim of this study was to determine the location of factors that influence the growth and differentiation of the regenerating axons. We damaged and denervated frog muscles, causing myofibers and nerve terminals t...
Decreased concentrations of plasma brain-derived neurotrophic factor (BDNF) and serum BDNF have been proposed to be a state marker of depression and a biological indicator of loaded psychosocial stress. Stress evaluations of participants in military mission are critically important and appropriate objective biological parameters that evaluate stress are needed. In military circumstances, there ...
OBJECTIVE To identify factors associated with poor outcomes in perineurally invasive squamous cell carcinoma. DESIGN Retrospective cohort study. SETTING Two academic hospitals in Boston, Massachusetts. PATIENTS Adults with perineural SCC diagnosed from 1998 to 2008. MAIN OUTCOME MEASURES Hazard ratios (HRs) for local recurrence, nodal metastasis, death from disease, and overall death, a...
Neurotrophic factor-like substances and inducers of neurotrophic factor biosynthesis have enormous therapeutic potential for serious neuronal diseases such as Alzheimer's disease. Here, we discuss about the pharmacological effects of scabronines and beta-eudesmol as promising candidates of leading compounds against the dementia. In addition, we discuss about the signaling pathway of nerve growt...
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