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• W2806009251 abstract "Cell homing is the mechanism by which an injury releases signaling molecules that cause recruitment, proliferation, migration and differentiation of progenitor cells. Stromal derived factor-1 (SDF-1) and its receptor CXCR4 are key molecules involved in homing and little is known about their activation in cardiopathies. Here, we assessed the homing activation status of bone marrow cells (BMC) concerning the SDF-1 and CXCR4 expression in ischemic (IHD) and valvular (VHD) heart diseases. The SDF-1 and inflammatory profile were analyzed by ELISA from plasma obtained bone marrow of ischemic heart patients (IHD, n = 41), valvular heart patients (VHD, n = 30) and healthy controls (C, n = 9). Flow cytometry was used to evaluate CXCR4 (CD184) expression on the surface of bone marrow cells, and the CXCR4 expression was estimated by real-time quantitative PCR. The SDF-1 levels in the groups IHD, VHD and control were, respectively, 230, 530 and 620 pg/mL (P = 0.483), and was decreased in VHD patients using beta-blockers (263 pg/mL) when compared with other (844 pg/mL) (P = 0.023). Compared with IHD, the VHD group showed higher CXCR4 (P = 0.071) and CXCR7 (P = 0.082) mRNA expression although no difference in the level of CXCR4+ bone marrow cells was found between groups (P = 0.360). In conclusion, pathophysiological differences between IHD and VHD can affect the molecules involved in the activation of homing. In addition, the use of beta-blockers appears to interfere in this mechanism, a fact that should be considered in protocols that use BMC." @default.
• W2806009251 created "2018-06-13" @default.
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• W2806009251 date "2018-05-21" @default.
• W2806009251 modified "2023-10-18" @default.
• W2806009251 title "The homing of bone marrow stem cells is differentially activated in ischemic and valvular heart diseases and influenced by beta-blockers" @default.
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• W2806009251 doi "https://doi.org/10.1186/s12967-018-1520-9" @default.
• W2806009251 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5963100" @default.
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