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PMID |
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1 |
8584261
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Expression of neurotrophin-3 (NT-3) and neurotrophin-4 (NT-4) was decreased by 50 and 29%, respectively, compared with age-matched controls after 12 weeks of diabetes.
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2 |
8584261
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In addition, diabetes induced a reduction in the expression levels of the neurotrophin receptors: trkB mRNA decreased by 50% after 6 weeks of diabetes, but returned to control levels after 12 weeks; meanwhile the trkC and p75LNGFR transcripts were reduced by 20% of control at both times studied. trkA expression was below detection limits.
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3 |
9197281
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trkA and trkC expression is increased in human diabetic skin.
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4 |
9197281
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In vitro studies show that keratinocytes express both NGF and its high-affinity receptor, trkA, and that NGF may increase keratinocyte proliferation and its own expression via an autocrine loop.
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5 |
9197281
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Expression of trkC was also studied, as its endogenous ligand neurotrophin-3 (NT-3) is related to NGF, and is present in human epidermis.
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6 |
9197281
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Hybridisation signal was seen for both trkA and trkC localised throughout the epidermal layer of control skin, with a higher density of silver grain deposition observed for trkA mRNA.
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7 |
9197281
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trkA and trkC expression is increased in human diabetic skin.
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8 |
9197281
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In vitro studies show that keratinocytes express both NGF and its high-affinity receptor, trkA, and that NGF may increase keratinocyte proliferation and its own expression via an autocrine loop.
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9 |
9197281
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Expression of trkC was also studied, as its endogenous ligand neurotrophin-3 (NT-3) is related to NGF, and is present in human epidermis.
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10 |
9197281
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Hybridisation signal was seen for both trkA and trkC localised throughout the epidermal layer of control skin, with a higher density of silver grain deposition observed for trkA mRNA.
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11 |
9541170
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Treatment of other diabetic rats with insulin prevented development of deficits of both NT-3 protein and of its mRNA.
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12 |
9541170
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The mRNA expression in lumbar dorsal root ganglia of the specific receptor for NT-3, trkC, was also down-regulated at 12 weeks of diabetes by 50% (p < 0.05).
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13 |
9541170
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The observed decreases in NT-3 target tissue production and related axonal transport suggest that large calibre sensory neurones expressing trkC may be receiving sub-optimal neurotrophic support in experimental diabetes.
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14 |
9541170
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Treatment of other diabetic rats with insulin prevented development of deficits of both NT-3 protein and of its mRNA.
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15 |
9541170
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The mRNA expression in lumbar dorsal root ganglia of the specific receptor for NT-3, trkC, was also down-regulated at 12 weeks of diabetes by 50% (p < 0.05).
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16 |
9541170
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The observed decreases in NT-3 target tissue production and related axonal transport suggest that large calibre sensory neurones expressing trkC may be receiving sub-optimal neurotrophic support in experimental diabetes.
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17 |
11673332
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At 2 months, sensory neurones had no detectable alterations in their calibre or gene expression, assessed using quantitative in situ hybridization studies for mRNA markers that included alpha CGRP, beta CGRP, NFM, t alpha 1-tubulin, SP, VIP, B50 (GAP43), galanin, somatostatin, PACAP, HSP27, c-jun, SNAP 25, p75, TrkA, TrkB and TrkC.
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18 |
11673332
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By 12 months, however, diabetics had developed neurone perikaryal and distal axon atrophy, accompanied by generalized downregulation of mRNA expression, particularly of CGRP transcripts, PACAP, SP, NFM, p75, trkA and trkC.
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19 |
11673332
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With the exception of HSP-27, no elevation in mRNAs that increase after injury, such as VIP, galanin, CCK, PACAP, B50 and t alpha 1-tubulin, was observed and constitutive levels, when detectable, trended towards lower rather than increased levels.
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20 |
11673332
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At 2 months, sensory neurones had no detectable alterations in their calibre or gene expression, assessed using quantitative in situ hybridization studies for mRNA markers that included alpha CGRP, beta CGRP, NFM, t alpha 1-tubulin, SP, VIP, B50 (GAP43), galanin, somatostatin, PACAP, HSP27, c-jun, SNAP 25, p75, TrkA, TrkB and TrkC.
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21 |
11673332
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By 12 months, however, diabetics had developed neurone perikaryal and distal axon atrophy, accompanied by generalized downregulation of mRNA expression, particularly of CGRP transcripts, PACAP, SP, NFM, p75, trkA and trkC.
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22 |
11673332
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With the exception of HSP-27, no elevation in mRNAs that increase after injury, such as VIP, galanin, CCK, PACAP, B50 and t alpha 1-tubulin, was observed and constitutive levels, when detectable, trended towards lower rather than increased levels.
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23 |
12031555
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A decreased axonal accumulation of endogenous nerve growth factor (NGF) and neurotrophin-3 (NT-3) in the vagus nerve of streptozotocin (STZ)-induced diabetic rats was previously shown.
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24 |
12031555
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In the current study, no changes in the NGF and NT-3 protein or mRNA levels in the stomach or atrium, two vagally innervated organs, were noted after 16 or 24 weeks of diabetes.
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25 |
12031555
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Moreover, the amounts of neurotrophin receptor (p75, TrkA, TrkC) mRNAs in the vagus nerve and vagal afferent nodose ganglion were not reduced in diabetic rats.
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26 |
17991742
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c-Src is required for tropomyosin receptor kinase C (TrkC)-induced activation of the phosphatidylinositol 3-kinase (PI3K)-AKT pathway.
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27 |
17991742
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TrkC expression leads to the constitutive activation of two major effector pathways, namely the Ras-MAP kinase (MAPK) mitogenic pathway and the phosphatidylinositol 3-kinase (PI3K)-AKT pathway mediating cell survival.
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28 |
17991742
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Here we define some aspects of the molecular mechanisms regulating TrkC-dependent Ras-Erk1/2 and PI3K/Akt activation.
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29 |
17991742
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We show that endogenous TrkC associated with c-Src in human and mouse cancer cells which express TrkC.
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30 |
17991742
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Suppression of c-Src by RNA interference in highly metastatic 4T1 mammary cancer cells, which express endogenous TrkC, resulted in markedly decreased expression of cyclin D1 and suppression of activation of Ras-Erk1/2 and PI3K-Akt.
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31 |
17991742
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Furthermore, in c-Src-deficient SYF cells, TrkC failed to activate the PI3K-Atk pathway, but not the Ras-Erk1/2 pathway.
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32 |
17991742
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Therefore these data indicate that TrkC induces the PI3K-Akt cascade through the activation of c-Src.
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33 |
17991742
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c-Src is required for tropomyosin receptor kinase C (TrkC)-induced activation of the phosphatidylinositol 3-kinase (PI3K)-AKT pathway.
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34 |
17991742
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TrkC expression leads to the constitutive activation of two major effector pathways, namely the Ras-MAP kinase (MAPK) mitogenic pathway and the phosphatidylinositol 3-kinase (PI3K)-AKT pathway mediating cell survival.
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35 |
17991742
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Here we define some aspects of the molecular mechanisms regulating TrkC-dependent Ras-Erk1/2 and PI3K/Akt activation.
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36 |
17991742
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We show that endogenous TrkC associated with c-Src in human and mouse cancer cells which express TrkC.
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37 |
17991742
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Suppression of c-Src by RNA interference in highly metastatic 4T1 mammary cancer cells, which express endogenous TrkC, resulted in markedly decreased expression of cyclin D1 and suppression of activation of Ras-Erk1/2 and PI3K-Akt.
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38 |
17991742
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Furthermore, in c-Src-deficient SYF cells, TrkC failed to activate the PI3K-Atk pathway, but not the Ras-Erk1/2 pathway.
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39 |
17991742
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Therefore these data indicate that TrkC induces the PI3K-Akt cascade through the activation of c-Src.
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40 |
17991742
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c-Src is required for tropomyosin receptor kinase C (TrkC)-induced activation of the phosphatidylinositol 3-kinase (PI3K)-AKT pathway.
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41 |
17991742
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TrkC expression leads to the constitutive activation of two major effector pathways, namely the Ras-MAP kinase (MAPK) mitogenic pathway and the phosphatidylinositol 3-kinase (PI3K)-AKT pathway mediating cell survival.
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42 |
17991742
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Here we define some aspects of the molecular mechanisms regulating TrkC-dependent Ras-Erk1/2 and PI3K/Akt activation.
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43 |
17991742
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We show that endogenous TrkC associated with c-Src in human and mouse cancer cells which express TrkC.
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44 |
17991742
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Suppression of c-Src by RNA interference in highly metastatic 4T1 mammary cancer cells, which express endogenous TrkC, resulted in markedly decreased expression of cyclin D1 and suppression of activation of Ras-Erk1/2 and PI3K-Akt.
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45 |
17991742
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Furthermore, in c-Src-deficient SYF cells, TrkC failed to activate the PI3K-Atk pathway, but not the Ras-Erk1/2 pathway.
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46 |
17991742
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Therefore these data indicate that TrkC induces the PI3K-Akt cascade through the activation of c-Src.
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47 |
17991742
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c-Src is required for tropomyosin receptor kinase C (TrkC)-induced activation of the phosphatidylinositol 3-kinase (PI3K)-AKT pathway.
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48 |
17991742
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TrkC expression leads to the constitutive activation of two major effector pathways, namely the Ras-MAP kinase (MAPK) mitogenic pathway and the phosphatidylinositol 3-kinase (PI3K)-AKT pathway mediating cell survival.
|
49 |
17991742
|
Here we define some aspects of the molecular mechanisms regulating TrkC-dependent Ras-Erk1/2 and PI3K/Akt activation.
|
50 |
17991742
|
We show that endogenous TrkC associated with c-Src in human and mouse cancer cells which express TrkC.
|
51 |
17991742
|
Suppression of c-Src by RNA interference in highly metastatic 4T1 mammary cancer cells, which express endogenous TrkC, resulted in markedly decreased expression of cyclin D1 and suppression of activation of Ras-Erk1/2 and PI3K-Akt.
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52 |
17991742
|
Furthermore, in c-Src-deficient SYF cells, TrkC failed to activate the PI3K-Atk pathway, but not the Ras-Erk1/2 pathway.
|
53 |
17991742
|
Therefore these data indicate that TrkC induces the PI3K-Akt cascade through the activation of c-Src.
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54 |
17991742
|
c-Src is required for tropomyosin receptor kinase C (TrkC)-induced activation of the phosphatidylinositol 3-kinase (PI3K)-AKT pathway.
|
55 |
17991742
|
TrkC expression leads to the constitutive activation of two major effector pathways, namely the Ras-MAP kinase (MAPK) mitogenic pathway and the phosphatidylinositol 3-kinase (PI3K)-AKT pathway mediating cell survival.
|
56 |
17991742
|
Here we define some aspects of the molecular mechanisms regulating TrkC-dependent Ras-Erk1/2 and PI3K/Akt activation.
|
57 |
17991742
|
We show that endogenous TrkC associated with c-Src in human and mouse cancer cells which express TrkC.
|
58 |
17991742
|
Suppression of c-Src by RNA interference in highly metastatic 4T1 mammary cancer cells, which express endogenous TrkC, resulted in markedly decreased expression of cyclin D1 and suppression of activation of Ras-Erk1/2 and PI3K-Akt.
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59 |
17991742
|
Furthermore, in c-Src-deficient SYF cells, TrkC failed to activate the PI3K-Atk pathway, but not the Ras-Erk1/2 pathway.
|
60 |
17991742
|
Therefore these data indicate that TrkC induces the PI3K-Akt cascade through the activation of c-Src.
|
61 |
17991742
|
c-Src is required for tropomyosin receptor kinase C (TrkC)-induced activation of the phosphatidylinositol 3-kinase (PI3K)-AKT pathway.
|
62 |
17991742
|
TrkC expression leads to the constitutive activation of two major effector pathways, namely the Ras-MAP kinase (MAPK) mitogenic pathway and the phosphatidylinositol 3-kinase (PI3K)-AKT pathway mediating cell survival.
|
63 |
17991742
|
Here we define some aspects of the molecular mechanisms regulating TrkC-dependent Ras-Erk1/2 and PI3K/Akt activation.
|
64 |
17991742
|
We show that endogenous TrkC associated with c-Src in human and mouse cancer cells which express TrkC.
|
65 |
17991742
|
Suppression of c-Src by RNA interference in highly metastatic 4T1 mammary cancer cells, which express endogenous TrkC, resulted in markedly decreased expression of cyclin D1 and suppression of activation of Ras-Erk1/2 and PI3K-Akt.
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66 |
17991742
|
Furthermore, in c-Src-deficient SYF cells, TrkC failed to activate the PI3K-Atk pathway, but not the Ras-Erk1/2 pathway.
|
67 |
17991742
|
Therefore these data indicate that TrkC induces the PI3K-Akt cascade through the activation of c-Src.
|
68 |
17991742
|
c-Src is required for tropomyosin receptor kinase C (TrkC)-induced activation of the phosphatidylinositol 3-kinase (PI3K)-AKT pathway.
|
69 |
17991742
|
TrkC expression leads to the constitutive activation of two major effector pathways, namely the Ras-MAP kinase (MAPK) mitogenic pathway and the phosphatidylinositol 3-kinase (PI3K)-AKT pathway mediating cell survival.
|
70 |
17991742
|
Here we define some aspects of the molecular mechanisms regulating TrkC-dependent Ras-Erk1/2 and PI3K/Akt activation.
|
71 |
17991742
|
We show that endogenous TrkC associated with c-Src in human and mouse cancer cells which express TrkC.
|
72 |
17991742
|
Suppression of c-Src by RNA interference in highly metastatic 4T1 mammary cancer cells, which express endogenous TrkC, resulted in markedly decreased expression of cyclin D1 and suppression of activation of Ras-Erk1/2 and PI3K-Akt.
|
73 |
17991742
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Furthermore, in c-Src-deficient SYF cells, TrkC failed to activate the PI3K-Atk pathway, but not the Ras-Erk1/2 pathway.
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74 |
17991742
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Therefore these data indicate that TrkC induces the PI3K-Akt cascade through the activation of c-Src.
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75 |
20045938
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The involvement of aldose reductase in alterations to neurotrophin receptors and neuronal cytoskeletal protein mRNA levels in the dorsal root ganglion of streptozotocin-induced diabetic rats.
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76 |
20045938
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Compared with the expression level of normal rats, a significant increase in Trk-C and Talpha1 alpha-tubulin and a decrease in neurofilament H mRNA expression level were observed in the DRG of STZ rats, while there were no significant changes in Trk-A, Trk-B, p75, neurofilament L, neurofilament M and betaIII tubulin mRNA expression.
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77 |
20802235
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Tropomyosin-related kinase (Trk) C, a member of the Trk family of neurotrophin receptors, has been implicated in the growth and survival of human cancer tissues.
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78 |
20802235
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Ectopic expression of TrkC in non-malignant mammary epithelial cells suppressed anoikis, which correlated with activation of the Ras-mitogen-activated protein kinase and phosphatidylinositol-3-OH kinase (PI3K)/Akt pathways, and reduced expression of the metastatic regulator Twist.
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