نتایج جستجو برای: gdnf
تعداد نتایج: 1903 فیلتر نتایج به سال:
Glial cell line-derived neurotrophic factor (GDNF) family ligands are target-derived trophic factors for several neuronal subpopulations. They promote survival and neurite outgrowth through binding to specific members of the GDNF family receptor alpha (GFR alpha) and subsequent activation of the RET tyrosine kinase receptor. Using compartmentalized cultures of sympathetic neurons, we have studi...
Glial cell-line derived neurotrophic factor (GDNF), a potent neurotrophic factor for dopaminergic neurons, appeared as a promising candidate for treating Parkinson's disease. GDNF microencapsulation could ensure protection against degradation due to the fragile nature of the protein. Poly(lactide-co-glycolide) (PLGA) microparticles loaded with recombinant glycosylated GDNF obtained in a mammali...
Background: The purpose of this study was to investigate ultrasound-triggered effects of PEGylated liposomes-coupled microbubbles mediated gene transfer of glial cell line-derived neurotrophic factor (GDNF) plasmid (PLs-GDNF-MBs) on behavioral deficits and neuron loss in a rat model of Parkinson’s disease (PD). Methods: The unloaded PLs-MBs were characterized for particle size, concentration an...
Sustained motor improvement in human patients with idiopathic Parkinson's disease has been described following electroconvulsive shock (ECS) treatment. In rats, ECS stimulates the expression of various trophic factors (TFs), some of which have been proposed to exert neuroprotective actions. We previously reported that ECS protects the integrity of the rat nigrostriatal dopaminergic system again...
Pitx3 is strongly associated with the phenotype, differentiation, and survival of dopaminergic neurons. The relationship between Pitx3 and glial cell line-derived neurotrophic factor (GDNF) in dopaminergic neurons remains poorly understood. The present investigation sought to construct and screen a lentivirus expression plasmid carrying a rat Pitx3 short hairpin (sh)RNA and to assess the impact...
A novel neurotrophic factor named Persephin that is approximately 40% identical to glial cell line-derived neurotrophic factor (GDNF) and neurturin (NTN) has been identified using degenerate PCR. Persephin, like GDNF and NTN, promotes the survival of ventral midbrain dopaminergic neurons in culture and prevents their degeneration after 6-hydroxydopamine treatment in vivo. Persephin also support...
Glial cell line-derived neurotrophic factor (GDNF) promotes the survival of postnatal-but not embryonic-mouse dorsal root ganglion cells in vitro, despite the fact that its receptors are expressed at both ages. To understand this difference, we have performed an oligonucleotide microarray experiment. We found that several hundred genes were regulated between embryonic and postnatal stages, and ...
Parkinson's disease (PD) is a degenerative disease of the central nervous system (CNS) predominantly occurring in older adults, and is particularly common after the age of 60. The primary pathologic characteristics of PD are neuronal degeneration and cell death of dopaminergic (DA-ergic) neurons, leading to a decrease in the dopamine (DA) level in the striatum. Originally extracted and purified...
Immobilized and diffusible molecular cues regulate axon guidance during development. GFRalpha1, a GPI-anchored receptor for GDNF, is expressed as both membrane bound and secreted forms by accessory nerve cells and peripheral targets of developing sensory and sympathetic neurons during the period of target innervation. A relative deficit of GFRalpha1 in developing axons allows exogenous GFRalpha...
Objective(s): Glial cell line-derived neurotrophic factor (GDNF) can effectively promote axonal regeneration，limit axonal retraction，and produce a statistically significant improvement in motor recovery after spinal cord injury (SCI). However, the role in primate animals with SCI is not fully cognized. Materials and Methods:18 healthy juvenile rhesuses were divided randomly into six groups, obs...
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