نتایج جستجو برای: trk
تعداد نتایج: 1237 فیلتر نتایج به سال:
Purpose: TrkB has been involved in poor cancer outcome. TrkB mutations have been reported in non– small cell lung cancer. In this study, we aimed at characterizing the role of three potentially sensitizing TrkB mutations previously reported in lung cancer. Experimental Design: We characterized three activation loop mutants of TrkB (M713I, R715G, and R734C) in terms of pathway activation/phospho...
Current therapies for treating skeletal pain have significant limitations as available drugs (non-steroidal anti-inflammatory drugs and opiates) have significant unwanted side effects. Targeting nerve growth factor (NGF) or its cognate receptor tropomysin receptor kinase A (TrkA) has recently become an attractive target for inhibition of adult skeletal pain. Here we explore whether sustained ad...
Activated ALK and ROS1 tyrosine kinases, resulting from chromosomal rearrangements, occur in a subset of non-small cell lung cancers (NSCLC) as well as other tumor types and their oncogenic relevance as actionable targets has been demonstrated by the efficacy of selective kinase inhibitors such as crizotinib, ceritinib, and alectinib. More recently, low-frequency rearrangements of TRK kinases h...
The olfactory neuroepithelium of the mammalian nervous system manifests continuous neurogenesis throughout life. Recent studies suggest that neurotrophic factors and their receptors may play a role in the regulation of development and regeneration in the olfactory system. However, there have been very few in vivo studies investigating the effect of exogenous neurotrophic factors in the olfactor...
PURPOSE To investigate the effect of brain-derived neurotrophic factor (BDNF)/tropomyosin receptor kinase (Trk) on potassium chloride cotransporter 2 (KCC2) in rats following nicotine withdrawal and the roles played by BDNF/Trk/KCC2 pathway in nicotine withdrawal-induced hyperalgesia. METHODS Seventy-eight rats were randomly assigned to five groups: control group (n = 12) without any treatmen...
Neurotrophins (NTs) and their receptors play a key role in neurogenesis and survival. The TRK (tropomyosin-related kinase) receptor protein tyrosine kinases (TRKA, TRKB, TRKC) are high-affinity NT receptors that are expressed in a variety of human tissues. Their role in normal and malignant hematopoiesis is poorly understood. In a prospective study involving 94 adult patients we demonstrate for...
Neurotrophin (NT) receptors are coupled to numerous signaling networks that play critical roles in neuronal survival and plasticity. Several non-peptide small molecule ligands have recently been reported that bind to and activate specific tropomyosin-receptor kinase (Trk) NT receptors, stimulate their downstream signaling, and cause biologic effects similar to, though not completely overlapping...
The response of brain tissue to neurotrophins during rat development was examined using a novel in vitro assay for Trk/neurotrophin receptor activity. In this assay, brain tissues were exposed to neutrophins and ligand-induced Trk tyrosine phosphorylation was measured. During the perinatal period, Trk tyrosine phsphorylation in all brain area was induced very similarly by the TrkB and TrkC liga...
Neuronal growth factors regulate the survival of neurons by their survival and death-promoting activity on distinct populations of neurons. The neurotrophins nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), and neurotrophin-3 (NT-3) promote neuronal survival via tyrosine kinase (Trk) receptors, whereas NGF and BDNF can also induce apoptosis in developing neurons through p75(...
Background: 3,4- methylenedioxymethamphetamine (MDMA) is a chemical derivative of amphetamine that can induce learning and memory impairment. Due to the effect of neurotrophins on memory and learning, the impact of MDMA was evaluated on the brain - derived neurotrophic factor (BDNF), neurotrophin- 4 (NT-4), and tropomyosin- related kinase B (Trk- β) expression in the hippocampus. Methods: In th...
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