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  • Title: Platelet-derived chemokine RANTES may be a sign of restenosis after percutaneous coronary intervention in patients with stable angina pectoris.
    Author: Inami N, Nomura S, Manabe K, Kimura Y, Iwasaka T.
    Journal: Platelets; 2006 Dec; 17(8):565-70. PubMed ID: 17127484.
    Abstract:
    Inflammation plays a pathogenic role in the development of restenosis after percutaneous coronary intervention (PCI). We measured and compared the ratio of elevated levels of regulated on activation normally T-cell expressed and secreted (RANTES), monocytic chemotactic peptide-1 (MCP-1), soluble (s) P-selectin and sL-selectin after PCI. Plasma levels of chemokines and soluble markers were measured before, 1, 3 and 7 days after PCI in 52 patients (43 males and nine females, aged 63 +/- 10 years) who underwent PCI and who had repeated angiograms at a 6-month follow-up. Restenosis occurred in 16 (31%) patients. A significant and time-dependent increase in sL-selectin was observed in the restenosis group. However, there were no significant differences in MCP-1 levels with or without restenosis. sP-selectin levels in the restenosis group exhibited a transient elevation at 3 days after PCI. RANTES levels were no different at baseline between patients with or without restenosis. However, a significant and time-dependent decrease in RANTES levels were observed in the non-restenosis group, and patients with restenosis compared with patients without restenosis had a statistically significant ratio of elevated levels of RANTES. These findings suggest that restenosis development after PCI in patients with effort angina pectoris may involve leukocyte activation at an early period after PCI. In addition, platelet-derived chemokine RANTES may be a sign of restenosis after PCI in patients with stable angina pectoris.
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