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Pàgina inicial > Articles > Articles publicats > CXCR7 expression in diffuse large B-cell lymphoma identifies a subgroup of CXCR4+ patients with good prognosis |
Data: | 2018 |
Resum: | The CXCR4/CXCL12 axis has been extensively associated with different types of cancer correlating with higher aggressiveness and metastasis. In diffuse large B-cell lymphoma (DLBCL), the expression of the chemokine receptor CXCR4 is involved in the dissemination of malignant B cells and is a marker of poor prognosis. CXCR7 is a chemokine receptor that binds to the same ligand as CXCR4 and regulates de CXCR4-CXCL12 axis. These findings together with the report of CXCR7 prognostic value in several tumor types, led us to evaluate the expression of CXCR7 in diffuse large B-cell lymphoma biopsies. Here, we describe that CXCR7 receptor is an independent prognostic factor that associates with good clinical outcome. Moreover, the expression of CXCR7 associates with increased survival in CXCR4 + but not in CXCR4- DLBCL patients. Thus, the combined immunohistochemical evaluation of both CXCR7 and CXCR4 expression in DLBCL biopsies may improve their prognostic value as single markers. Finally, we show that CXCR7 overexpression in vitro is able to diminish DLBCL cell survival and increase their sensitivity to antitumor drugs. Hence, further studies on the CXCR7 receptor may establish its role in DLBCL and the molecular mechanisms that modulate CXCR4 activity. |
Ajuts: | Ministerio de Ciencia e Innovación PI11/00872 Ministerio de Economía y Competitividad RD12/0036/0071 Ministerio de Economía y Competitividad PI14/00450 Ministerio de Economía y Competitividad PI15/00378 Ministerio de Economía y Competitividad PIE15/00028 Ministerio de Economía y Competitividad RD12/0036/0069 Ministerio de Ciencia e Innovación PS09/01382 Ministerio de Economía y Competitividad PI15/01393 Ministerio de Economía y Competitividad CD13/00074 Ministerio de Economía y Competitividad CB16/12/00233 |
Drets: | Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. |
Llengua: | Anglès |
Document: | Article ; recerca ; Versió publicada |
Publicat a: | PloS one, Vol. 13 Núm. 6 (june 2018) , p. e0198789, ISSN 1932-6203 |
14 p, 10.2 MB |