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Contribution of the uremic milieu to an increased pro-inflammatory monocytic phenotype in chronic kidney disease

Natalia Borges Bonan, Eva Schepers (UGent) , Roberto Pecoits-Filho, Annemieke Dhondt (UGent) , Anneleen Pletinck (UGent) , Filip De Somer (UGent) , Raymond Vanholder (UGent) , Wim Van Biesen (UGent) , Andrea Moreno-Amaral and Griet Glorieux (UGent)
(2019) SCIENTIFIC REPORTS. 9.
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Abstract
Intermediate (CD14(++)CD16(+)) monocytes have important pro-inflammatory and atherogenic features and are increased in patients with chronic kidney disease (CKD). The present study aims to elucidate the role of the uremic milieu and of platelet activation in monocyte differentiation. Monocyte subtypes were analyzed in CKD patients (n = 193) and healthy controls (n = 27). Blood from healthy controls (Ctrl; n = 8) and hemodialysis patients (HD; n = 8) was centrifuged, and plasma (pl) was exchanged between Ctrl and HD (Ctrlcells/HDpl and HDcells/Ctrlpl) or reconstituted as original (Ctrlsham and HDsham) and incubated for 24 h (T24). Monocyte differentiation and platelet aggregation to monocytes (MPA) was assessed by flow cytometry. Especially, a higher proportion of CD14(++)CD16(+) monocytes was found in hemodialysis (HD) patients (p < 0.01). In plasma exchange experiments, Ctrl cells/HD pl T24 showed an increased percentage of CD14(++)CD16(+) monocytes versus Ctrl sham (33.7% +/- 15 vs. 15.7% +/- 9.6; P.< 0.005), comparable to the level of CD14(++)CD16(+) monocytes in the HD sham condition. The percentage of CD14(++)CD16(+) monocytes was lowered by suspending HD cells in Ctrl pl (18.4% +/- 7.8 vs. 36.7% +/- 15 in HD sham; P < 0.005) reaching the level of the Ctrl sham condition (15.7% +/- 9.6). A mixture of uremic sulfates increased CD14(++)CD16(+) monocytes compared to control (19.8 +/- 9.6% vs. 15.8 +/- 10.9%; P < 0.05), paralleled by a rise MPA. Blocking MPA by abciximab, a potential therapeutic strategy, or anti-CD62P did not inhibit differentiation towards the CD14(++)CD16(+) monocytes. In conclusion, in the present cohort, CD14(++)CD16(+) monocytes are especially increased in HD patients and this can at least in part be attributed to the presence of the uremic milieu, with uremic sulfates inducing a reversible shift towards pro-inflammatory CD14(++)CD16(+) monocytes.
Keywords
CD14(++)CD16(+) MONOCYTES, HEMODIALYSIS-PATIENTS, PERIPHERAL-BLOOD, P-CRESYLSULPHATE, PLATELETS, MICROINFLAMMATION, SUBPOPULATIONS, EXPRESSION, TOXICITY, SUBSETS

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MLA
Bonan, Natalia Borges, et al. “Contribution of the Uremic Milieu to an Increased Pro-Inflammatory Monocytic Phenotype in Chronic Kidney Disease.” SCIENTIFIC REPORTS, vol. 9, 2019, doi:10.1038/s41598-019-46724-5.
APA
Bonan, N. B., Schepers, E., Pecoits-Filho, R., Dhondt, A., Pletinck, A., De Somer, F., … Glorieux, G. (2019). Contribution of the uremic milieu to an increased pro-inflammatory monocytic phenotype in chronic kidney disease. SCIENTIFIC REPORTS, 9. https://doi.org/10.1038/s41598-019-46724-5
Chicago author-date
Bonan, Natalia Borges, Eva Schepers, Roberto Pecoits-Filho, Annemieke Dhondt, Anneleen Pletinck, Filip De Somer, Raymond Vanholder, Wim Van Biesen, Andrea Moreno-Amaral, and Griet Glorieux. 2019. “Contribution of the Uremic Milieu to an Increased Pro-Inflammatory Monocytic Phenotype in Chronic Kidney Disease.” SCIENTIFIC REPORTS 9. https://doi.org/10.1038/s41598-019-46724-5.
Chicago author-date (all authors)
Bonan, Natalia Borges, Eva Schepers, Roberto Pecoits-Filho, Annemieke Dhondt, Anneleen Pletinck, Filip De Somer, Raymond Vanholder, Wim Van Biesen, Andrea Moreno-Amaral, and Griet Glorieux. 2019. “Contribution of the Uremic Milieu to an Increased Pro-Inflammatory Monocytic Phenotype in Chronic Kidney Disease.” SCIENTIFIC REPORTS 9. doi:10.1038/s41598-019-46724-5.
Vancouver
1.
Bonan NB, Schepers E, Pecoits-Filho R, Dhondt A, Pletinck A, De Somer F, et al. Contribution of the uremic milieu to an increased pro-inflammatory monocytic phenotype in chronic kidney disease. SCIENTIFIC REPORTS. 2019;9.
IEEE
[1]
N. B. Bonan et al., “Contribution of the uremic milieu to an increased pro-inflammatory monocytic phenotype in chronic kidney disease,” SCIENTIFIC REPORTS, vol. 9, 2019.
@article{8635572,
  abstract     = {{Intermediate (CD14(++)CD16(+)) monocytes have important pro-inflammatory and atherogenic features and are increased in patients with chronic kidney disease (CKD). The present study aims to elucidate the role of the uremic milieu and of platelet activation in monocyte differentiation. Monocyte subtypes were analyzed in CKD patients (n = 193) and healthy controls (n = 27). Blood from healthy controls (Ctrl; n = 8) and hemodialysis patients (HD; n = 8) was centrifuged, and plasma (pl) was exchanged between Ctrl and HD (Ctrlcells/HDpl and HDcells/Ctrlpl) or reconstituted as original (Ctrlsham and HDsham) and incubated for 24 h (T24). Monocyte differentiation and platelet aggregation to monocytes (MPA) was assessed by flow cytometry. Especially, a higher proportion of CD14(++)CD16(+) monocytes was found in hemodialysis (HD) patients (p < 0.01). In plasma exchange experiments, Ctrl cells/HD pl T24 showed an increased percentage of CD14(++)CD16(+) monocytes versus Ctrl sham (33.7% +/- 15 vs. 15.7% +/- 9.6; P.< 0.005), comparable to the level of CD14(++)CD16(+) monocytes in the HD sham condition. The percentage of CD14(++)CD16(+) monocytes was lowered by suspending HD cells in Ctrl pl (18.4% +/- 7.8 vs. 36.7% +/- 15 in HD sham; P < 0.005) reaching the level of the Ctrl sham condition (15.7% +/- 9.6). A mixture of uremic sulfates increased CD14(++)CD16(+) monocytes compared to control (19.8 +/- 9.6% vs. 15.8 +/- 10.9%; P < 0.05), paralleled by a rise MPA. Blocking MPA by abciximab, a potential therapeutic strategy, or anti-CD62P did not inhibit differentiation towards the CD14(++)CD16(+) monocytes. In conclusion, in the present cohort, CD14(++)CD16(+) monocytes are especially increased in HD patients and this can at least in part be attributed to the presence of the uremic milieu, with uremic sulfates inducing a reversible shift towards pro-inflammatory CD14(++)CD16(+) monocytes.}},
  articleno    = {{10236}},
  author       = {{Bonan, Natalia Borges and Schepers, Eva and Pecoits-Filho, Roberto and Dhondt, Annemieke and Pletinck, Anneleen and De Somer, Filip and Vanholder, Raymond and Van Biesen, Wim and Moreno-Amaral, Andrea and Glorieux, Griet}},
  issn         = {{2045-2322}},
  journal      = {{SCIENTIFIC REPORTS}},
  keywords     = {{CD14(++)CD16(+) MONOCYTES,HEMODIALYSIS-PATIENTS,PERIPHERAL-BLOOD,P-CRESYLSULPHATE,PLATELETS,MICROINFLAMMATION,SUBPOPULATIONS,EXPRESSION,TOXICITY,SUBSETS}},
  language     = {{eng}},
  pages        = {{11}},
  title        = {{Contribution of the uremic milieu to an increased pro-inflammatory monocytic phenotype in chronic kidney disease}},
  url          = {{http://doi.org/10.1038/s41598-019-46724-5}},
  volume       = {{9}},
  year         = {{2019}},
}
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