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Yang Y, Zhang H, Wang Y, Xu J, Shu S, Wang P, Ding S, Huang Y, Zheng L, Yang Y, Xiong C. Promising dawn in the management of pulmonary hypertension: The mystery veil of gut microbiota. IMETA 2024; 3:e159. [PMID: 38882495 PMCID: PMC11170974 DOI: 10.1002/imt2.159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/15/2023] [Accepted: 11/25/2023] [Indexed: 06/18/2024]
Abstract
The gut microbiota is a complex community of microorganisms inhabiting the intestinal tract, which plays a vital role in human health. It is intricately involved in the metabolism, and it also affects diverse physiological processes. The gut-lung axis is a bidirectional pathway between the gastrointestinal tract and the lungs. Recent research has shown that the gut microbiome plays a crucial role in immune response regulation in the lungs and the development of lung diseases. In this review, we present the interrelated factors concerning gut microbiota and the associated metabolites in pulmonary hypertension (PH), a lethal disease characterized by elevated pulmonary vascular pressure and resistance. Our research team explored the role of gut-microbiota-derived metabolites in cardiovascular diseases and established the correlation between metabolites such as putrescine, succinate, trimethylamine N-oxide (TMAO), and N, N, N-trimethyl-5-aminovaleric acid with the diseases. Furthermore, we found that specific metabolites, such as TMAO and betaine, have significant clinical value in PH, suggesting their potential as biomarkers in disease management. In detailing the interplay between the gut microbiota, their metabolites, and PH, we underscored the potential therapeutic approaches modulating this microbiota. Ultimately, we endeavor to alleviate the substantial socioeconomic burden associated with this disease. This review presents a unique exploratory analysis of the link between gut microbiota and PH, intending to propel further investigations in the gut-lung axis.
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Affiliation(s)
- Yicheng Yang
- State Key Laboratory of Cardiovascular Disease, Department of Cardiology Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
| | - Hanwen Zhang
- State Key Laboratory of Cardiovascular Disease, Department of Cardiology Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
| | - Yaoyao Wang
- State Key Laboratory of Cardiovascular Disease, Department of Nephrology Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
| | - Jing Xu
- State Key Laboratory of Cardiovascular Disease, Department of Cardiology Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
- Department of Genetics University Medical Center Groningen, University of Groningen Groningen The Netherlands
| | - Songren Shu
- State Key Laboratory of Cardiovascular Disease, Department of Cardiac Surgery Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
| | - Peizhi Wang
- State Key Laboratory of Cardiovascular Disease, Department of Cardiology Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
- Center for Molecular Cardiology University of Zurich Zurich Switzerland
| | - Shusi Ding
- China National Clinical Research Center for Neurological Diseases, Tiantan Hospital, Advanced Innovation Center for Human Brain Protection The Capital Medical University Beijing China
| | - Yuan Huang
- State Key Laboratory of Cardiovascular Disease, Department of Cardiac Surgery Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
| | - Lemin Zheng
- China National Clinical Research Center for Neurological Diseases, Tiantan Hospital, Advanced Innovation Center for Human Brain Protection The Capital Medical University Beijing China
- Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, School of Basic Medical Sciences, Health Science Center The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, Peking University Beijing China
| | - Yuejin Yang
- State Key Laboratory of Cardiovascular Disease, Department of Cardiology Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
| | - Changming Xiong
- State Key Laboratory of Cardiovascular Disease, Department of Cardiology Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
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Suswał K, Tomaszewski M, Romaniuk A, Świechowska-Starek P, Zygmunt W, Styczeń A, Romaniuk-Suswał M. Gut-Lung Axis in Focus: Deciphering the Impact of Gut Microbiota on Pulmonary Arterial Hypertension. J Pers Med 2023; 14:8. [PMID: 38276223 PMCID: PMC10817474 DOI: 10.3390/jpm14010008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 01/27/2024] Open
Abstract
Recent advancements in the understanding of pulmonary arterial hypertension (PAH) have highlighted the significant role of the gut microbiota (GM) in its pathogenesis. This comprehensive review delves into the intricate relationship between the GM and PAH, emphasizing the influence of gut microbial composition and the critical metabolites produced. We particularly focus on the dynamic interaction between the gut and lung, examining how microbial dysbiosis contributes to PAH development through inflammation, altered immune responses, and changes in the gut-lung axis. Noteworthy findings include variations in the ratios of key bacterial groups such as Firmicutes and Bacteroidetes in PAH and the pivotal roles of metabolites like trimethylamine N-oxide (TMAO), short-chain fatty acids (SCFAs), and serotonin in the disease's progression. Additionally, the review elucidates potential diagnostic biomarkers and novel therapeutic approaches, including the use of probiotics and fecal microbiota transplantation, which leverage the gut microbiota for managing PAH. This review encapsulates the current state of research in this field, offering insights into the potential of gut microbiota modulation as a promising strategy in PAH diagnosing and treatment.
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Affiliation(s)
- Konrad Suswał
- Department of Pulmonology, Alergollogy and Oncology, Medical University of Lublin, 20-954 Lublin, Poland;
| | - Michał Tomaszewski
- Department of Cardiology, Medical University of Lublin, 20-954 Lublin, Poland;
| | - Aleksandra Romaniuk
- Cardiology Student Scientific Circle, Academy of Silesia, 40-555 Katowice, Poland;
| | | | - Wojciech Zygmunt
- Department of Pulmonology, Alergollogy and Oncology, Medical University of Lublin, 20-954 Lublin, Poland;
| | - Agnieszka Styczeń
- Department of Cardiology, Medical University of Lublin, 20-954 Lublin, Poland;
| | - Małgorzata Romaniuk-Suswał
- Department of Psychiatry, Psychotheraphy and Early Intervention, Medical University of Lublin, 20-954 Lublin, Poland
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Pakhomov NV, Kostyunina DS, Macori G, Dillon E, Brady T, Sundaramoorthy G, Connolly C, Blanco A, Fanning S, Brennan L, McLoughlin P, Baugh JA. High-Soluble-Fiber Diet Attenuates Hypoxia-Induced Vascular Remodeling and the Development of Hypoxic Pulmonary Hypertension. Hypertension 2023; 80:2372-2385. [PMID: 37851762 DOI: 10.1161/hypertensionaha.123.20914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 08/10/2023] [Indexed: 10/20/2023]
Abstract
BACKGROUND Hypoxic pulmonary hypertension is a difficult disease to manage that is characterized by sustained elevation of pulmonary vascular resistance and pulmonary artery pressure due to vasoconstriction, perivascular inflammation, and vascular remodeling. Consumption of soluble-fiber is associated with lower systemic blood pressure, but little is known about its ability to affect the pulmonary circulation. METHODS Mice were fed either a low- or high-soluble-fiber diet (0% or 16.9% inulin) and then exposed to hypoxia (FiO2, 0.10) for 21 days to induce pulmonary hypertension. The impact of diet on right ventricular systolic pressure and pulmonary vascular resistance was determined in vivo or in ex vivo isolated lungs, respectively, and correlated with alterations in the composition of the gut microbiome, plasma metabolome, pulmonary inflammatory cell phenotype, and lung proteome. RESULTS High-soluble-fiber diet increased the abundance of short-chain fatty acid-producing bacteria, with parallel increases in plasma propionate levels, and reduced the abundance of disease-related bacterial genera such as Staphylococcus, Clostridioides, and Streptococcus in hypoxic mice with parallel decreases in plasma levels of p-cresol sulfate. High-soluble-fiber diet decreased hypoxia-induced elevations of right ventricular systolic pressure and pulmonary vascular resistance. These changes were associated with reduced proportions of interstitial macrophages, dendritic cells, and nonclassical monocytes. Whole-lung proteomics revealed proteins and molecular pathways that may explain the effect of soluble-fiber supplementation. CONCLUSIONS This study demonstrates for the first time that a high-soluble-fiber diet attenuates hypoxia-induced pulmonary vascular remodeling and the development of pulmonary hypertension in a mouse model of hypoxic pulmonary hypertension and highlights diet-derived metabolites that may have an immuno-modulatory role in the lung.
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Affiliation(s)
- Nikolai V Pakhomov
- School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Ireland (N.V.P., D.S.K., T.B., P.M., J.A.B.)
| | - Daria S Kostyunina
- School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Ireland (N.V.P., D.S.K., T.B., P.M., J.A.B.)
| | - Guerrino Macori
- School of Public Health, Physiotherapy & Sports Science, University College Dublin, Ireland (G.M., S.F.)
| | - Eugene Dillon
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Ireland (E.D., A.B.)
| | - Tara Brady
- School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Ireland (N.V.P., D.S.K., T.B., P.M., J.A.B.)
| | - Geetha Sundaramoorthy
- School of Agriculture and Food Science, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Ireland (G.S., C.C., L.B.)
| | - Claire Connolly
- School of Agriculture and Food Science, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Ireland (G.S., C.C., L.B.)
| | - Alfonso Blanco
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Ireland (E.D., A.B.)
| | - Séamus Fanning
- School of Public Health, Physiotherapy & Sports Science, University College Dublin, Ireland (G.M., S.F.)
| | - Lorraine Brennan
- School of Agriculture and Food Science, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Ireland (G.S., C.C., L.B.)
| | - Paul McLoughlin
- School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Ireland (N.V.P., D.S.K., T.B., P.M., J.A.B.)
| | - John A Baugh
- School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Ireland (N.V.P., D.S.K., T.B., P.M., J.A.B.)
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Bassareo PP, D’Alto M. Metabolomics in Pulmonary Hypertension-A Useful Tool to Provide Insights into the Dark Side of a Tricky Pathology. Int J Mol Sci 2023; 24:13227. [PMID: 37686034 PMCID: PMC10487467 DOI: 10.3390/ijms241713227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 08/16/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
Pulmonary hypertension (PH) is a multifaceted illness causing clinical manifestations like dyspnea, fatigue, and cyanosis. If left untreated, it often evolves into irreversible pulmonary arterial hypertension (PAH), leading to death. Metabolomics is a laboratory technique capable of providing insights into the metabolic pathways that are responsible for a number of physiologic or pathologic events through the analysis of a biological fluid (such as blood, urine, and sputum) using proton nuclear magnetic resonance spectroscopy or mass spectrometry. A systematic review was finalized according to the PRISMA scheme, with the goal of providing an overview of the research papers released up to now on the application of metabolomics to PH/PAH. So, eighty-five papers were identified, of which twenty-four concerning PH, and sixty-one regarding PAH. We found that, from a metabolic standpoint, the hallmarks of the disease onset and progression are an increase in glycolysis and impaired mitochondrial respiration. Oxidation is exacerbated as well. Specific metabolic fingerprints allow the characterization of some of the specific PH and PAH subtypes. Overall, metabolomics provides insights into the biological processes happening in the body of a subject suffering from PH/PAH. The disarranged metabolic pathways underpinning the disease may be the target of new therapeutic agents. Metabolomics will allow investigators to make a step forward towards personalized medicine.
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Affiliation(s)
- Pier Paolo Bassareo
- Mater Misercordiae University Hospital, D07 R2WY Dublin, Ireland
- Children’s Health Ireland at Crumlin, D12 N512 Dublin, Ireland
- School of Medicine, University College Dublin, D04 V1W8 Dublin, Ireland
| | - Michele D’Alto
- Pulmonary Hypertension Unit, Dipartimento di Cardiologia, Università della Campania “Luigi Vanvitelli”, Ospedale Monaldi, 80131 Naples, Italy;
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Wardill HR, Da Silva Ferreira AR, Kumar H, Bateman EH, Cross CB, Bowen JM, Havinga R, Harmsen HJM, Knol J, Dorresteijn B, van Dijk M, van Bergenhenegouwen J, Tissing WJE. Whey-based diet containing medium chain triglycerides modulates the gut microbiota and protects the intestinal mucosa from chemotherapy while maintaining therapy efficacy. Cell Death Dis 2023; 14:338. [PMID: 37221162 DOI: 10.1038/s41419-023-05850-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 04/24/2023] [Accepted: 05/02/2023] [Indexed: 05/25/2023]
Abstract
Cytotoxicity (i.e. cell death) is the core mechanism by which chemotherapy induces its anti-cancer effects. Unfortunately, this same mechanism underpins the collateral damage it causes to healthy tissues. The gastrointestinal tract is highly susceptible to chemotherapy's cytotoxicity, resulting in ulcerative lesions (termed gastrointestinal mucositis, GI-M) that impair the functional capacity of the gut leading to diarrhea, anorexia, malnutrition and weight loss, which negatively impact physical/psychological wellbeing and treatment adherence. Preventing these side effects has proven challenging given the overlapping mechanisms that dictate chemotherapy efficacy and toxicity. Here, we report on a novel dietary intervention that, due to its localized gastrointestinal effects, is able to protect the intestinal mucosal from unwanted toxicity without impairing the anti-tumor effects of chemotherapy. The test diet (containing extensively hydrolyzed whey protein and medium chain triglycerides (MCTs)), was investigated in both tumor-naïve and tumor-bearing models to evaluate its effect on GI-M and chemo-efficacy, respectively. In both models, methotrexate was used as the representative chemotherapeutic agent and the diet was provided ad libitum for 14 days prior to treatment. GI-M was measured using the validated biomarker plasma citrulline, and chemo-efficacy defined by tumor burden (cm3/g body weight). The test diet significantly attenuated GI-M (P = 0.03), with associated reductions in diarrhea (P < 0.0001), weight loss (P < 0.05), daily activity (P < 0.02) and maintenance of body composition (P < 0.02). Moreover, the test diet showed significant impact on gut microbiota by increasing diversity and resilience, whilst also altering microbial composition and function (indicated by cecal short and brained chain fatty acids). The test diet did not impair the efficacy of methotrexate against mammary adenocarcinoma (tumor) cells. In line with the first model, the test diet minimized intestinal injury (P = 0.001) and diarrhea (P < 0.0001). These data support translational initiatives to determine the clinical feasibility, utility and efficacy of this diet to improve chemotherapy treatment outcomes.
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Affiliation(s)
- Hannah R Wardill
- Department of Pediatrics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
- School of Biomedicine, Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, SA, Australia.
- Supportive Oncology Research Group, Precision Cancer Medicine, The South Australian Health and Medical Research Institute, Adelaide, Australia.
| | - Ana Rita Da Silva Ferreira
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | | | - Emma H Bateman
- School of Biomedicine, Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, SA, Australia
| | - Courtney B Cross
- Supportive Oncology Research Group, Precision Cancer Medicine, The South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Joanne M Bowen
- School of Biomedicine, Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, SA, Australia
| | - Rick Havinga
- Department of Pediatrics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Hermie J M Harmsen
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jan Knol
- Danone Nutricia Research, Utrecht, the Netherlands
- Laboratory of Microbiology, Wageningen University, Wageningen, The Netherlands
| | | | | | | | - Wim J E Tissing
- Department of Pediatrics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
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