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Pamart G, Gosset P, Le Rouzic O, Pichavant M, Poulain-Godefroy O. Kynurenine Pathway in Respiratory Diseases. Int J Tryptophan Res 2024; 17:11786469241232871. [PMID: 38495475 PMCID: PMC10943758 DOI: 10.1177/11786469241232871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 01/28/2024] [Indexed: 03/19/2024] Open
Abstract
The kynurenine pathway is the primary route for tryptophan catabolism and has received increasing attention as its association with inflammation and the immune system has become more apparent. This review provides a broad overview of the kynurenine pathway in respiratory diseases, from the initial observations to the characterization of the different cell types involved in the synthesis of kynurenine metabolites and the underlying immunoregulatory mechanisms. With a focus on respiratory infections, the various attempts to characterize the kynurenine/tryptophan (K/T) ratio as an inflammatory marker are reviewed. Its implication in chronic lung inflammation and its exacerbation by respiratory pathogens is also discussed. The emergence of preclinical interventional studies targeting the kynurenine pathway opens the way for the future development of new therapies.
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Affiliation(s)
- Guillaume Pamart
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 9017 -CIIL - Center for Infection and Immunity of Lille, Lille, France
| | - Philippe Gosset
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 9017 -CIIL - Center for Infection and Immunity of Lille, Lille, France
| | - Olivier Le Rouzic
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 9017 -CIIL - Center for Infection and Immunity of Lille, Lille, France
| | - Muriel Pichavant
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 9017 -CIIL - Center for Infection and Immunity of Lille, Lille, France
| | - Odile Poulain-Godefroy
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 9017 -CIIL - Center for Infection and Immunity of Lille, Lille, France
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Renga G, D'Onofrio F, Pariano M, Galarini R, Barola C, Stincardini C, Bellet MM, Ellemunter H, Lass-Flörl C, Costantini C, Napolioni V, Ehrlich AK, Antognelli C, Fini M, Garaci E, Nunzi E, Romani L. Bridging of host-microbiota tryptophan partitioning by the serotonin pathway in fungal pneumonia. Nat Commun 2023; 14:5753. [PMID: 37717018 PMCID: PMC10505232 DOI: 10.1038/s41467-023-41536-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 09/06/2023] [Indexed: 09/18/2023] Open
Abstract
The aromatic amino acid L-tryptophan (Trp) is essentially metabolized along the host and microbial pathways. While much is known about the role played by downstream metabolites of each pathways in intestinal homeostasis, their role in lung immune homeostasis is underappreciated. Here we have examined the role played by the Trp hydroxylase/5-hydroxytryptamine (5-HT) pathway in calibrating host and microbial Trp metabolism during Aspergillus fumigatus pneumonia. We found that 5-HT produced by mast cells essentially contributed to pathogen clearance and immune homeostasis in infection by promoting the host protective indoleamine-2,3-dioxygenase 1/kynurenine pathway and limiting the microbial activation of the indole/aryl hydrocarbon receptor pathway. This occurred via regulation of lung and intestinal microbiota and signaling pathways. 5-HT was deficient in the sputa of patients with Cystic fibrosis, while 5-HT supplementation restored the dysregulated Trp partitioning in murine disease. These findings suggest that 5-HT, by bridging host-microbiota Trp partitioning, may have clinical effects beyond its mood regulatory function in respiratory pathologies with an inflammatory component.
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Affiliation(s)
- Giorgia Renga
- Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Fiorella D'Onofrio
- Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Marilena Pariano
- Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Roberta Galarini
- Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche "Togo Rosati,", Perugia, Italy
| | - Carolina Barola
- Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche "Togo Rosati,", Perugia, Italy
| | | | - Marina M Bellet
- Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | | | - Cornelia Lass-Flörl
- Division of Hygiene and Medical Microbiology, Innsbruck Medical University, Innsbruck, Austria
| | - Claudio Costantini
- Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Valerio Napolioni
- School of Biosciences and Veterinary Medicine, University of Camerino, Camerino, Italy
| | - Allison K Ehrlich
- Department of Environmental Toxicology, University of California, Davis, CA, USA
| | - Cinzia Antognelli
- Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Massimo Fini
- University San Raffaele and Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele, Rome, Italy
| | - Enrico Garaci
- University San Raffaele and Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele, Rome, Italy
| | - Emilia Nunzi
- Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Luigina Romani
- Department of Medicine and Surgery, University of Perugia, Perugia, Italy.
- University San Raffaele and Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele, Rome, Italy.
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Systems Biology and Bile Acid Signalling in Microbiome-Host Interactions in the Cystic Fibrosis Lung. Antibiotics (Basel) 2021; 10:antibiotics10070766. [PMID: 34202495 PMCID: PMC8300688 DOI: 10.3390/antibiotics10070766] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/14/2021] [Accepted: 06/21/2021] [Indexed: 12/16/2022] Open
Abstract
The study of the respiratory microbiota has revealed that the lungs of healthy and diseased individuals harbour distinct microbial communities. Imbalances in these communities can contribute to the pathogenesis of lung disease. How these imbalances occur and establish is largely unknown. This review is focused on the genetically inherited condition of Cystic Fibrosis (CF). Understanding the microbial and host-related factors that govern the establishment of chronic CF lung inflammation and pathogen colonisation is essential. Specifically, dissecting the interplay in the inflammation–pathogen–host axis. Bile acids are important host derived and microbially modified signal molecules that have been detected in CF lungs. These bile acids are associated with inflammation and restructuring of the lung microbiota linked to chronicity. This community remodelling involves a switch in the lung microbiota from a high biodiversity/low pathogen state to a low biodiversity/pathogen-dominated state. Bile acids are particularly associated with the dominance of Proteobacterial pathogens. The ability of bile acids to impact directly on both the lung microbiota and the host response offers a unifying principle underpinning the pathogenesis of CF. The modulating role of bile acids in lung microbiota dysbiosis and inflammation could offer new potential targets for designing innovative therapeutic approaches for respiratory disease.
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Masood A, Jacob M, Gu X, Abdel Jabar M, Benabdelkamel H, Nizami I, Li L, Dasouki M, Abdel Rahman AM. Distinctive metabolic profiles between Cystic Fibrosis mutational subclasses and lung function. Metabolomics 2021; 17:4. [PMID: 33394183 DOI: 10.1007/s11306-020-01760-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 12/09/2020] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Cystic fibrosis (CF) is a lethal multisystemic disease of a monogenic origin with numerous mutations. Functional defects in the cystic fibrosis transmembrane conductance receptor (CFTR) protein based on these mutations are categorised into distinct classes having different clinical presentations and disease severity. OBJECTIVES The present study aimed to create a comprehensive metabolomic profile of altered metabolites in patients with CF, among different classes and in relation to lung function. METHODS A chemical isotope labeling liquid chromatography-mass spectrometry metabolomics was used to study the serum metabolic profiles of young and adult CF (n = 39) patients and healthy controls (n = 30). Comparisons were made at three levels, CF vs. controls, among mutational classes of CF, between CF class III and IV, and correlated the lung function findings. RESULTS A distinctive metabolic profile was observed in the three analyses. 78, 20, and 13 significantly differentially dysregulated metabolites were identified in the patients with CF, among the different classes and between class III and IV, respectively. The significantly identified metabolites included amino acids, di-, and tri-peptides, glutathione, glutamine, glutamate, and arginine metabolism. The top significant metabolites include 1-Aminopropan-2-ol, ophthalmate, serotonin, cystathionine, and gamma-glutamylglutamic acid. Lung function represented by an above-average FEV1% level was associated with decreased glutamic acid and increased guanosine levels. CONCLUSION Metabolomic profiling identified alterations in different amino acids and dipeptides, involved in regulating glutathione metabolism. Two metabolites, 3,4-dihydroxymandelate-3-O-sulfate and 5-Aminopentanoic acid, were identified in common between the three anlayses and may represent as highly sensitive biomarkers for CF.
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Affiliation(s)
- Afshan Masood
- Proteomics Resource Unit, Obesity Research Center, College of Medicine, King Saud University, PO. Box 2925 (98), Riyadh, 11461, Saudi Arabia
| | - Minnie Jacob
- Metabolomics Section, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Centre (KFSHRC), Zahrawi Street, Al Maather, PO. Box 3354, Riyadh, 11211, Saudi Arabia
| | - Xinyun Gu
- Department of Chemistry, University of Alberta, Edmonton, AB, T6G 2R3, Canada
| | - Mai Abdel Jabar
- Department of Chemistry, University of Alberta, Edmonton, AB, T6G 2R3, Canada
| | - Hicham Benabdelkamel
- Proteomics Resource Unit, Obesity Research Center, College of Medicine, King Saud University, PO. Box 2925 (98), Riyadh, 11461, Saudi Arabia
| | - Imran Nizami
- Lung Transplant Section, Organ Transplant Center, King Faisal Specialist Hospital and Research Center, Zahrawi Street, Al Maather, Riyadh, 11211, Saudi Arabia
| | - Liang Li
- Department of Chemistry, University of Alberta, Edmonton, AB, T6G 2R3, Canada
| | - Majed Dasouki
- Metabolomics Section, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Centre (KFSHRC), Zahrawi Street, Al Maather, PO. Box 3354, Riyadh, 11211, Saudi Arabia
| | - Anas M Abdel Rahman
- Metabolomics Section, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Centre (KFSHRC), Zahrawi Street, Al Maather, PO. Box 3354, Riyadh, 11211, Saudi Arabia.
- Department of Biochemistry and Molecular Medicine, College of Medicine, Al Faisal University, Riyadh, Saudi Arabia.
- Department of Chemistry, Memorial University of Newfoundland, St. John's, NL, A1B 3X7, Canada.
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Zardini Buzatto A, Abdel Jabar M, Nizami I, Dasouki M, Li L, Abdel Rahman AM. Lipidome Alterations Induced by Cystic Fibrosis, CFTR Mutation, and Lung Function. J Proteome Res 2020; 20:549-564. [PMID: 33089695 DOI: 10.1021/acs.jproteome.0c00556] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Cystic fibrosis is a genetic pathology characterized by abnormal accumulation of mucus in the respiratory, gastrointestinal, and reproductive tracts, caused by mutations in the CFTR gene. Although the classical presentation of the condition is well known, there is still a need for a better characterization of metabolic alterations related to cystic fibrosis and different genotypic mutations. We employed untargeted, comprehensive lipidomics of blood serum samples to investigate alterations in the lipid metabolism related to the pathology, mutation classes, and lung function decline. Six unique biomarker candidates were able to independently differentiate diseased individuals from healthy controls with excellent performance. Cystic fibrosis patients showed dyslipidemia for most lipid subclasses, with significantly elevated odd-chain and polyunsaturated fatty acyl lipids. Phosphatidic acids and diacylglycerols were particularly affected by different genotypic mutation classes. We selected a biomarker panel composed of four lipids, including two ceramides, one sphingomyelin, and one fatty acid, which correctly classified all validation samples from classes III and IV. A biomarker panel of five oxidized lipids was further selected to differentiate patients with reduced lung function, measured as predicted FEV1%. Our results indicate that cystic fibrosis is deeply related to lipid metabolism and provide new clues for the investigation of the disease mechanisms and therapeutic targets.
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Affiliation(s)
| | - Mai Abdel Jabar
- Department of Genetics, King Faisal Specialist Hospital and Research Centre (KFSHRC), Zahrawi Street, Al Maather, Riyadh 11211, Saudi Arabia
| | - Imran Nizami
- Lung Transplant Section, Organ Transplant Center, King Faisal Specialist Hospital and Research Center, Zahrawi Street, Al Maather, Riyadh 11211, Saudi Arabia
| | - Majed Dasouki
- Department of Genetics, King Faisal Specialist Hospital and Research Centre (KFSHRC), Zahrawi Street, Al Maather, Riyadh 11211, Saudi Arabia
| | - Liang Li
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - Anas M Abdel Rahman
- Department of Genetics, King Faisal Specialist Hospital and Research Centre (KFSHRC), Zahrawi Street, Al Maather, Riyadh 11211, Saudi Arabia.,Department of Biochemistry and Molecular Medicine, College of Medicine, Al Faisal University, Riyadh 11533, Saudi Arabia.,Department of Chemistry, Memorial University of Newfoundland, St. John's, NL A1B 3X7, Canada
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Sagel SD, Wagner BD, Ziady A, Kelley T, Clancy JP, Narvaez-Rivas M, Pilewski J, Joseloff E, Sha W, Zelnick L, Setchell KDR, Heltshe SL, Muhlebach MS. Utilizing centralized biorepository samples for biomarkers of cystic fibrosis lung disease severity. J Cyst Fibros 2020; 19:632-640. [PMID: 31870630 PMCID: PMC7305052 DOI: 10.1016/j.jcf.2019.12.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 10/30/2019] [Accepted: 12/08/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND Circulating biomarkers reflective of lung disease activity and severity have the potential to improve patient care and accelerate drug development in CF. The objective of this study was to leverage banked specimens to test the hypothesis that blood-based biomarkers discriminate CF children segregated by lung disease severity. METHODS Banked serum samples were selected from children who were categorized into two extremes of phenotype associated with lung function ('mild' or 'severe') based on CF-specific data and were matched on age, gender, CFTR genotype, and P. aeruginosa infection status. Targeted inflammatory proteins, lipids, and discovery metabolite profiles were measured in these serum samples. RESULTS The severe cohort, characterized by a lower CF-specific FEV1 percentile, had significantly higher circulating concentrations of high sensitivity C-reactive protein, serum amyloid A, granulocyte colony stimulating factor, and calprotectin compared to the mild cohort. The mild cohort tended to have higher serum linoleic acid concentrations. The metabolite arabitol was lower in the severe cohort while other CF relevant metabolic pathways showed non-significant differences after adjusting for multiple comparisons. A sensitivity analysis to correct for biased estimates that may result from selecting subjects using an extremes of phenotype approach confirmed the protein biomarker findings. CONCLUSIONS Circulating inflammatory proteins differ in CF children segregated by lung function. These findings serve to demonstrate the value of maintaining centralized, high quality patient derived samples for future research, with linkage to clinical information to answer testable hypotheses in biomarker development.
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Affiliation(s)
- Scott D Sagel
- Department of Pediatrics, Children's Hospital Colorado, University of Colorado School of Medicine, Aurora, CO, USA.
| | - Brandie D Wagner
- Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado Denver, Aurora, Colorado, USA
| | - Assem Ziady
- Division of Pulmonary Medicine, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Tom Kelley
- Division of Pulmonology, Department of Pediatrics, Case Western Reserve University, Cleveland, OH
| | - John P Clancy
- Division of Pulmonary Medicine, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | | | - Joseph Pilewski
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | | | - Wei Sha
- Bioinformatics Services Division, Department of Bioinformatics and Genomics, University of North Carolina at Charlotte, 150 Research Campus Dr., Kannapolis, NC, USA
| | - Leila Zelnick
- Division of Nephrology, University of Washington School of Medicine, Seattle, WA, USA
| | | | - Sonya L Heltshe
- Cystic Fibrosis Foundation Therapeutics Development Network Coordinating Center, Seattle Children's Research Institute, Seattle, WA, USA; Department of Pediatrics, University of Washington, School of Medicine, Seattle, WA, USA
| | - Marianne S Muhlebach
- Division of Pulmonology, Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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