Vascular Calcification and the Gut and Blood Microbiome in Chronic Kidney Disease Patients on Peritoneal Dialysis: A Pilot Study

Data de publicação:

Autores da FMUP

  • Janete Maria Quelhas Dos Santos

    Autor

  • Inês Maria Falcão Sousa Pires Marques

    Autor

Participantes de fora da FMUP

  • Merino-Ribas, A
  • Araujo, R
  • Pereira, L
  • Campos, J
  • Barreiros, L
  • Segundo, M.
  • Silva, N
  • Costa, CFFA
  • Trindade, F
  • Alencastre, I
  • Dumitrescu, IB
  • Sampaio Maia, B.

Unidades de investigação

Abstract

Vascular calcification (VC) is a frequent condition in chronic kidney disease (CKD) and a well-established risk factor for the development of cardiovascular disease (CVD). Gut dysbiosis may contribute to CVD and inflammation in CKD patients. Nonetheless, the role of gut and blood microbiomes in CKD-associated VC remains unknown. Therefore, this pilot study aimed to explore the link between gut and blood microbiomes and VC in CKD patients on peritoneal dialysis (CKD-PD). Our results showed relative changes in specific taxa between CKD-PD patients with and without VC, namely Coprobacter, Coprococcus 3, Lactobacillus, and Eubacterium eligens group in the gut, and Cutibacterium, Pajaroellobacter, Devosia, Hyphomicrobium, and Pelomonas in the blood. An association between VC and all-cause mortality risk in CKD-PD patients was also observed, and patients with higher mortality risk corroborate the changes of Eubacterium eligens in the gut and Devosia genus in the blood. Although we did not find differences in uremic toxins, intestinal translocation markers, and inflammatory parameters among CKD-PD patients with and without VC, soluble CD14 (sCD14), a nonspecific marker of monocyte activation, positively correlated with VC severity. Therefore, gut Eubacterium eligens group, blood Devosia, and circulating sCD14 should be further explored as biomarkers for VC, CVD, and mortality risk in CKD.

Dados da publicação

ISSN/ISSNe:
2218-273X, 2218-273X

Biomolecules  Multidisciplinary Digital Publishing Institute (MDPI)

Tipo:
Article
Páginas:
867-
Link para outro recurso:
www.scopus.com

Citações Recebidas na Web of Science: 11

Citações Recebidas na Scopus: 21

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Keywords

  • chronic kidney disease; vascular calcification; gut microbiome; blood microbiome; mortality risk; sCD14

Financiamento

Proyectos asociados

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Remodelling adversely impacts arrhythmic outcome following isolated aortic valve replacement surgery

Investigador Principal: Inês Maria Falcão Sousa Pires Marques

Estudo Clínico Académico (Remodelling) . 2020

The Heart under Pressure: Mechanisms underlying HEpEF Secondary to chronic pressure Overload or Metabolic Syndrome

Investigador Principal: Inês Maria Falcão Sousa Pires Marques

Estudo Clínico Académico . 2020

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