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Hemmers, Christian; Schulte, Corinna; Wollenhaupt, Julia; Wong, Dickson W. L.; Harlacher, Eva; Orth-Alampour, Setareh; Klinkhammer, Barbara Mara; Schirmer, Stephan H.; Böhm, Michael; Marx, Nikolaus; Speer, Thimoteus; Boor, Peter; Jankowski, Joachim; Noels, Heidi

Chemokine CCL9 Is Upregulated Early in Chronic Kidney Disease and Counteracts Kidney Inflammation and Fibrosis

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  • Medientyp: E-Artikel
  • Titel: Chemokine CCL9 Is Upregulated Early in Chronic Kidney Disease and Counteracts Kidney Inflammation and Fibrosis
  • Beteiligte: Hemmers, Christian; Schulte, Corinna; Wollenhaupt, Julia; Wong, Dickson W. L.; Harlacher, Eva; Orth-Alampour, Setareh; Klinkhammer, Barbara Mara; Schirmer, Stephan H.; Böhm, Michael; Marx, Nikolaus; Speer, Thimoteus; Boor, Peter; Jankowski, Joachim; Noels, Heidi
  • Erschienen: MDPI AG, 2022
  • Erschienen in: Biomedicines
  • Sprache: Englisch
  • DOI: 10.3390/biomedicines10020420
  • ISSN: 2227-9059
  • Schlagwörter: General Biochemistry, Genetics and Molecular Biology ; Medicine (miscellaneous)
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:p>Inflammation and fibrosis play an important pathophysiological role in chronic kidney disease (CKD), with pro-inflammatory mediators and leukocytes promoting organ damage with subsequent fibrosis. Since chemokines are the main regulators of leukocyte chemotaxis and tissue inflammation, we performed systemic chemokine profiling in early CKD in mice. This revealed (C-C motif) ligands 6 and 9 (CCL6 and CCL9) as the most upregulated chemokines, with significantly higher levels of both chemokines in blood (CCL6: 3–4 fold; CCL9: 3–5 fold) as well as kidney as confirmed by Enzyme-linked Immunosorbent Assay (ELISA) in two additional CKD models. Chemokine treatment in a mouse model of early adenine-induced CKD almost completely abolished the CKD-induced infiltration of macrophages and myeloid cells in the kidney without impact on circulating leukocyte numbers. The other way around, especially CCL9-blockade aggravated monocyte and macrophage accumulation in kidney during CKD development, without impact on the ratio of M1-to-M2 macrophages. In parallel, CCL9-blockade raised serum creatinine and urea levels as readouts of kidney dysfunction. It also exacerbated CKD-induced expression of collagen (3.2-fold) and the pro-inflammatory chemokines CCL2 (1.8-fold) and CCL3 (2.1-fold) in kidney. Altogether, this study reveals for the first time that chemokines CCL6 and CCL9 are upregulated early in experimental CKD, with CCL9-blockade during CKD initiation enhancing kidney inflammation and fibrosis.</jats:p>
  • Zugangsstatus: Freier Zugang