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Trionfetti F, Marchant V, González-Mateo GT, Kawka E, Márquez-Expósito L, Ortiz A, López-Cabrera M, Ruiz-Ortega M, Strippoli R. Novel Aspects of the Immune Response Involved in the Peritoneal Damage in Chronic Kidney Disease Patients under Dialysis. Int J Mol Sci 2023; 24:5763. [PMID: 36982834 PMCID: PMC10059714 DOI: 10.3390/ijms24065763] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/03/2023] [Accepted: 03/08/2023] [Indexed: 03/30/2023] Open
Abstract
Chronic kidney disease (CKD) incidence is growing worldwide, with a significant percentage of CKD patients reaching end-stage renal disease (ESRD) and requiring kidney replacement therapies (KRT). Peritoneal dialysis (PD) is a convenient KRT presenting benefices as home therapy. In PD patients, the peritoneum is chronically exposed to PD fluids containing supraphysiologic concentrations of glucose or other osmotic agents, leading to the activation of cellular and molecular processes of damage, including inflammation and fibrosis. Importantly, peritonitis episodes enhance peritoneum inflammation status and accelerate peritoneal injury. Here, we review the role of immune cells in the damage of the peritoneal membrane (PM) by repeated exposure to PD fluids during KRT as well as by bacterial or viral infections. We also discuss the anti-inflammatory properties of current clinical treatments of CKD patients in KRT and their potential effect on preserving PM integrity. Finally, given the current importance of coronavirus disease 2019 (COVID-19) disease, we also analyze here the implications of this disease in CKD and KRT.
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Affiliation(s)
- Flavia Trionfetti
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
- Department of Epidemiology, Preclinical Research and Advanced Diagnostics, National Institute for Infectious Diseases L., Spallanzani, IRCCS, Via Portuense, 292, 00149 Rome, Italy
| | - Vanessa Marchant
- Cellular Biology in Renal Diseases Laboratory, IIS-Fundación Jiménez Díaz-Universidad Autónoma Madrid, 28040 Madrid, Spain
- REDINREN/RICORS2040, 28029 Madrid, Spain
| | - Guadalupe T. González-Mateo
- Cell-Cell Communication & Inflammation Unit, Centre for Molecular Biology “Severo Ochoa” (CSIC-UAM), 28049 Madrid, Spain
- Premium Research, S.L., 19005 Guadalajara, Spain
| | - Edyta Kawka
- Department of Pathophysiology, Poznan University of Medical Sciences, 10 Fredry St., 61-701 Poznan, Poland
| | - Laura Márquez-Expósito
- Cellular Biology in Renal Diseases Laboratory, IIS-Fundación Jiménez Díaz-Universidad Autónoma Madrid, 28040 Madrid, Spain
- REDINREN/RICORS2040, 28029 Madrid, Spain
| | - Alberto Ortiz
- IIS-Fundación Jiménez Díaz-Universidad Autónoma Madrid, 28040 Madrid, Spain
| | - Manuel López-Cabrera
- Cell-Cell Communication & Inflammation Unit, Centre for Molecular Biology “Severo Ochoa” (CSIC-UAM), 28049 Madrid, Spain
| | - Marta Ruiz-Ortega
- Cellular Biology in Renal Diseases Laboratory, IIS-Fundación Jiménez Díaz-Universidad Autónoma Madrid, 28040 Madrid, Spain
- REDINREN/RICORS2040, 28029 Madrid, Spain
| | - Raffaele Strippoli
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
- Department of Epidemiology, Preclinical Research and Advanced Diagnostics, National Institute for Infectious Diseases L., Spallanzani, IRCCS, Via Portuense, 292, 00149 Rome, Italy
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Cross-tissue organization of the fibroblast lineage. Nature 2021; 593:575-579. [PMID: 33981032 DOI: 10.1038/s41586-021-03549-5] [Citation(s) in RCA: 457] [Impact Index Per Article: 152.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 04/13/2021] [Indexed: 02/06/2023]
Abstract
Fibroblasts are non-haematopoietic structural cells that define the architecture of organs, support the homeostasis of tissue-resident cells and have key roles in fibrosis, cancer, autoimmunity and wound healing1. Recent studies have described fibroblast heterogeneity within individual tissues1. However, the field lacks a characterization of fibroblasts at single-cell resolution across tissues in healthy and diseased organs. Here we constructed fibroblast atlases by integrating single-cell transcriptomic data from about 230,000 fibroblasts across 17 tissues, 50 datasets, 11 disease states and 2 species. Mouse fibroblast atlases and a DptIRESCreERT2 knock-in mouse identified two universal fibroblast transcriptional subtypes across tissues. Our analysis suggests that these cells can serve as a reservoir that can yield specialized fibroblasts across a broad range of steady-state tissues and activated fibroblasts in disease. Comparison to an atlas of human fibroblasts from perturbed states showed that fibroblast transcriptional states are conserved between mice and humans, including universal fibroblasts and activated phenotypes associated with pathogenicity in human cancer, fibrosis, arthritis and inflammation. In summary, a cross-species and pan-tissue approach to transcriptomics at single-cell resolution has identified key organizing principles of the fibroblast lineage in health and disease.
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Terri M, Trionfetti F, Montaldo C, Cordani M, Tripodi M, Lopez-Cabrera M, Strippoli R. Mechanisms of Peritoneal Fibrosis: Focus on Immune Cells-Peritoneal Stroma Interactions. Front Immunol 2021; 12:607204. [PMID: 33854496 PMCID: PMC8039516 DOI: 10.3389/fimmu.2021.607204] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 01/19/2021] [Indexed: 12/12/2022] Open
Abstract
Peritoneal fibrosis is characterized by abnormal production of extracellular matrix proteins leading to progressive thickening of the submesothelial compact zone of the peritoneal membrane. This process may be caused by a number of insults including pathological conditions linked to clinical practice, such as peritoneal dialysis, abdominal surgery, hemoperitoneum, and infectious peritonitis. All these events may cause acute/chronic inflammation and injury to the peritoneal membrane, which undergoes progressive fibrosis, angiogenesis, and vasculopathy. Among the cellular processes implicated in these peritoneal alterations is the generation of myofibroblasts from mesothelial cells and other cellular sources that are central in the induction of fibrosis and in the subsequent functional deterioration of the peritoneal membrane. Myofibroblast generation and activity is actually integrated in a complex network of extracellular signals generated by the various cellular types, including leukocytes, stably residing or recirculating along the peritoneal membrane. Here, the main extracellular factors and the cellular players are described with emphasis on the cross-talk between immune system and cells of the peritoneal stroma. The understanding of cellular and molecular mechanisms underlying fibrosis of the peritoneal membrane has both a basic and a translational relevance, since it may be useful for setup of therapies aimed at counteracting the deterioration as well as restoring the homeostasis of the peritoneal membrane.
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Affiliation(s)
- Michela Terri
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
- National Institute for Infectious Diseases L. Spallanzani, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Flavia Trionfetti
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
- National Institute for Infectious Diseases L. Spallanzani, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Claudia Montaldo
- National Institute for Infectious Diseases L. Spallanzani, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Marco Cordani
- instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA) Nanociencia, Madrid, Spain
| | - Marco Tripodi
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
- National Institute for Infectious Diseases L. Spallanzani, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
- Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, Italy
| | - Manuel Lopez-Cabrera
- Programa de Homeostasis de Tejidos y Organos, Centro de Biología Molecular “Severo Ochoa”-Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
| | - Raffaele Strippoli
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
- National Institute for Infectious Diseases L. Spallanzani, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
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