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碧海丹心石

J Neurosci Res. 2004 Apr 1;76(1):35-50.
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Stromal cell-derived factor 1-mediated CXCR4 signaling in rat and human cortical neural progenitor cells.
. ^7 W- r; p1 Y9 l1 {; ~有急用，因学校图书馆一直下不到，谢谢好心人~！！！！！

274996064

J Neurosci Res. 2004 Apr 1;76(1):35-50.8 ]4 o) f8 [$ W

. a# Y( t) ^6 \$ e& s  D% FStromal cell-derived factor 1-mediated CXCR4 signaling in rat and human cortical neural progenitor cells.; ~9 b# P: N; x" b/ b" f

/ ^* @% C2 f; G! NPeng H, Huang Y, Rose J, Erichsen D, Herek S, Fujii N, Tamamura H, Zheng J.2 C, F& r3 A( v" _5 ^5 A# s

% O! L& U  g1 h4 p* qLaboratory of Neurotoxicology, the Center for Neurovirology and Neurodegenerative Disorders, University of Nebraska Medical Center, Omaha 68198-5215, USA.+ v+ Z" t' U) i9 N* T

8 B  Q5 t/ C+ G. J
- l: L2 @% i% U6 j0 oAbstract
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Stromal cell-derived factor 1 (SDF-1) and the chemokine receptor CXCR4 are highly expressed in the nervous system. Knockout studies have suggested that both SDF-1 and CXCR4 play essential roles in cerebellar, hippocampal, and neocortical neural cell migration during embryogenesis. To extend these observations, CXCR4 signaling events in rat and human neural progenitor cells (NPCs) were examined. Our results show that CXCR4 is expressed in abundance on rat and human NPCs. Moreover, SDF-1alpha induced increased NPCs levels of inositol 1,4,5-triphosphate, extracellular signal-regulated kinases 1/2, Akt, c-Jun N-terminal kinase, and intracellular calcium whereas it diminished cyclic adenosine monophosphate. Finally, SDF-1alpha can induce human NPC chemotaxis in vitro, suggesting that CXCR4 plays a functional role in NPC migration. Both T140, a CXCR4 antagonist, and pertussis toxin (PTX), an inactivator of G protein-coupled receptors, abrogated these events. Ultimately, this study suggested that SDF-1alpha can influence NPC function through CXCR4 and that CXCR4 is functional on NPC.( M0 c8 x9 N( E. R& W8 Z
Copyright 2004 Wiley-Liss, Inc.
5 h8 Y) M$ |! YPMID: 15048928 [PubMed - indexed for MEDLINE]
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碧海丹心石

非常感谢啊