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The α-Chemokine, Stromal Cell-derived Factor-1α, Binds to the Transmembrane G-protein-coupled CXCR-4 Receptor and Activates Multiple Signal Transduction Pathways
Open accessAbstract
The alpha-chemokine stromal cell-derived factor (SDF)-1alpha binds to the seven transmembrane G-protein-coupled CXCR-4 receptor and acts to modulate cell migration and proliferation. The signaling pathways that mediate the effects of SDF-1alpha are not well characterized. We studied events following SDF-1alpha binding to CXCR-4 in a model murine pre-B cell line transfected with human CXCR-4. There was enhanced tyrosine phosphorylation and association of components of focal adhesion complexes such as the related adhesion focal tyrosine kinase, paxillin, and Crk. We also observed activation of phosphatidylinositol 3-kinase. Wortmannin, a selective inhibitor of phosphatidylinositol 3-kinase, partially inhibited the SDF-1alpha-induced migration and tyrosine phosphorylation of paxillin. SDF-1alpha treatment selectively activated p44/42 mitogen-activated protein kinase (Erk 1 and Erk 2) and its upstream kinase mitogen-activated protein kinase kinase but not p38 mitogen-activated protein kinase, c-Jun amino-terminal kinase or mitogen activated protein kinase kinase. We also observed that SDF-1alpha treatment increased NF-kappaB activity in nuclear extracts from the CXCR-4 transfectants. Taken together, these studies revealed that SDF-1alpha activates distinct signaling pathways that may mediate cell growth, migration, and transcriptional activation.
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Cites
Independent Human MAP-Kinase Signal Transduction Pathways Defined by MEK and MKK Isoforms
Dérijard, B., Raingeaud, J., Barrett, T., Wu, I.-H., Han, J., Ulevitch, R. J., & Davis, R. J. (1995) · Science · doi:10.1126/science.7839144 · Cited by 1,555
A highly efficacious lymphocyte chemoattractant, stromal cell-derived factor 1 (SDF-1)
Bleul, C. C., Fuhlbrigge, R. C., Casasnovas, J. M., Aiuti, A., & Springer, T. A. (1996) · The Journal of experimental medicine · doi:10.1084/jem.184.3.1101 · Cited by 1,482
Cited by
Kucia, M., Reca, R., Miekus, K., Wanzeck, J., Wojakowski, W., Janowska‐Wieczorek, A., Ratajczak, J., & Ratajczak, M. Z. (2005) · STEM CELLS · doi:10.1634/stemcells.2004-0342 · Cited by 759
Helbig, G., Christopherson, K. W., Bhat-Nakshatri, P., Kumar, S., Kishimoto, H., Miller, K. D., Broxmeyer, H. E., & Nakshatri, H. (2003) · Journal of Biological Chemistry · doi:10.1074/jbc.m300609200 · Cited by 639
Burger, J. A., Tsukada, N., Burger, M., Zvaifler, N. J., Dell'Aquila, M., & Kipps, T. J. (2000) · Blood · doi:10.1182/blood.v96.8.2655 · Cited by 607
Chemokines and Their Receptors in the Central Nervous System
Bajetto, A., Bonavia, R., Barbero, S., Florio, T., & Schettini, G. (2001) · Frontiers in Neuroendocrinology · doi:10.1006/frne.2001.0214 · Cited by 416
Expression of CX 3 CR1 chemokine receptors on neurons and their role in neuronal survival
Meucci, O., Fatatis, A., Simen, A. A., & Miller, R. J. (2000) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.090017497 · Cited by 385
Metadata
- Authors
- Ganju, R. K., Brubaker, S. A., Meyer, J., Dutt, P., Yang, Y., Qin, S., Newman, W., & Groopman, J. E.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 1998-09
- Volume
- 273
- Issue
- 36
- Pages
- 23169-23175
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W2001044562
- Cited by
- 613
- References
- 2
- FWCI
- 12.24
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- CoChat. (2026). Citation check: The α-Chemokine, Stromal Cell-derived Factor-1α, Binds to the Transmembrane G-protein-coupled CXCR-4 Receptor and Activates Multiple Signal Transduction Pathways. https://app.cochat.ai/papers/10.1074/jbc.273.36.23169
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- Ganju, R. K., Brubaker, S. A., Meyer, J., Dutt, P., Yang, Y., Qin, S., Newman, W., & Groopman, J. E. (1998). The α-Chemokine, Stromal Cell-derived Factor-1α, Binds to the Transmembrane G-protein-coupled CXCR-4 Receptor and Activates Multiple Signal Transduction Pathways. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.273.36.23169
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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