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Matera L, Manti S, Petrarca L, Pierangeli A, Conti MG, Mancino E, Leonardi S, Midulla F, Nenna R. An overview on viral interference during SARS-CoV-2 pandemic. Front Pediatr 2023; 11:1308105. [PMID: 38178911 PMCID: PMC10764478 DOI: 10.3389/fped.2023.1308105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 12/07/2023] [Indexed: 01/06/2024] Open
Abstract
Respiratory viruses represent the most frequent cause of mortality, morbidity and high healthcare costs for emergency visits and hospitalization in the pediatric age. Respiratory viruses can circulate simultaneously and can potentially infect the same host, determining different types of interactions, the so-called viral interference. The role of viral interference has assumed great importance since December 2019, when the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) came on the scene. The aim of this narrative review is to present our perspective regarding research in respiratory virus interference and discuss recent advances on the topic because, following SARS-CoV-2 restrictions mitigation, we are experimenting the co-circulation of respiratory viruses along with SARS-CoV-2. This scenario is raising many concerns about possible virus-virus interactions, both positive and negative, and the clinical, diagnostic and therapeutic management of these coinfections. Moreover, we cannot rule out that also climatic conditions and social behaviours are involved. Thus, this situation can lead to different population epidemic dynamics, including changes in the age of the targeted population, disease course and severity, highlighting the need for prospective epidemiologic studies and mathematical modelling able to predict the timing and magnitude of epidemics caused by SARS-CoV-2/seasonal respiratory virus interactions in order to adjust better public health interventions.
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Affiliation(s)
- Luigi Matera
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Sara Manti
- Department of Human and Pediatric Pathology, Pediatric Unit, G. Martino Hospital, University of Messina, Messina, Italy
| | - Laura Petrarca
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Alessandra Pierangeli
- Laboratory of Virology, Department of Molecular Medicine, Affiliated to Istituto Pasteur Italia, Sapienza University of Rome, Rome, Italy
| | - Maria Giulia Conti
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Enrica Mancino
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Salvatore Leonardi
- Pediatric Respiratory Unit, Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Fabio Midulla
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Raffaella Nenna
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
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Pérez-Cobas AE, Rodríguez-Beltrán J, Baquero F, Coque TM. Ecology of the respiratory tract microbiome. Trends Microbiol 2023; 31:972-984. [PMID: 37173205 DOI: 10.1016/j.tim.2023.04.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 04/05/2023] [Accepted: 04/13/2023] [Indexed: 05/15/2023]
Abstract
A thriving multi-kingdom microbial ecosystem inhabits the respiratory tract: the respiratory tract microbiome (RTM). In recent years, the contribution of the RTM to human health has become a crucial research aspect. However, research into the key ecological processes, such as robustness, resilience, and microbial interaction networks, has only recently started. This review leans on an ecological framework to interpret the human RTM and determine how the ecosystem functions and assembles. Specifically, the review illustrates the ecological RTM models and discusses microbiome establishment, community structure, diversity stability, and critical microbial interactions. Lastly, the review outlines the RTM responses to ecological disturbances, as well as the promising approaches for restoring ecological balance.
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Affiliation(s)
- Ana Elena Pérez-Cobas
- Department of Microbiology, Ramón y Cajal Institute for Health Research (IRYCIS), Ramón y Cajal University Hospital, Madrid, Spain; CIBER in Infectious Diseases (CIBERINFEC), Madrid, Spain.
| | - Jerónimo Rodríguez-Beltrán
- Department of Microbiology, Ramón y Cajal Institute for Health Research (IRYCIS), Ramón y Cajal University Hospital, Madrid, Spain; CIBER in Infectious Diseases (CIBERINFEC), Madrid, Spain
| | - Fernando Baquero
- Department of Microbiology, Ramón y Cajal Institute for Health Research (IRYCIS), Ramón y Cajal University Hospital, Madrid, Spain; CIBER in Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Teresa M Coque
- Department of Microbiology, Ramón y Cajal Institute for Health Research (IRYCIS), Ramón y Cajal University Hospital, Madrid, Spain; CIBER in Infectious Diseases (CIBERINFEC), Madrid, Spain
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Najafi S, Jamalkandi SA, Najafi A, Salimian J, Ahmadi A. Exploring Co-occurrence patterns and microbial diversity in the lung microbiome of patients with non-small cell lung cancer. BMC Microbiol 2023; 23:182. [PMID: 37434142 DOI: 10.1186/s12866-023-02931-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 07/04/2023] [Indexed: 07/13/2023] Open
Abstract
BACKGROUND It has been demonstrated in the literature that a dysbiotic microbiome could have a negative impact on the host immune system and promote disease onset or exacerbation. Co-occurrence networks have been widely adopted to identify biomarkers and keystone taxa in the pathogenesis of microbiome-related diseases. Despite the promising results that network-driven approaches have led to in various human diseases, there is a dearth of research pertaining to key taxa that contribute to the pathogenesis of lung cancer. Therefore, our primary goal in this study is to explore co-existing relationships among members of the lung microbial community and any potential gained or lost interactions in lung cancer. RESULTS Using integrative and network-based approaches, we integrated four studies assessing the microbiome of lung biopsies of cancer patients. Differential abundance analyses showed that several bacterial taxa are different between tumor and tumor-adjacent normal tissues (FDR adjusted p-value < 0.05). Four, fifteen, and twelve significantly different associations were found at phylum, family, and genus levels. Diversity analyses suggested reduced alpha diversity in the tumor microbiome. However, beta diversity analysis did not show any discernible pattern between groups. In addition, four distinct modules of bacterial families were detected by the DBSCAN clustering method. Finally, in the co-occurrence network context, Actinobacteria, Firmicutes, Bacteroidetes, and Chloroflexi at the phylum level and Bifidobacterium, Massilia, Sphingobacterium, and Ochrobactrum at the genus level showed the highest degree of rewiring. CONCLUSIONS Despite the absence of statistically significant differences in the relative abundance of certain taxa between groups, it is imperative not to overlook them for further exploration. This is because they may hold pivotal central roles in the broader network of bacterial taxa (e.g., Bifidobacterium and Massilia). These findings emphasize the importance of a network analysis approach for studying the lung microbiome since it could facilitate identifying key microbial taxa in lung cancer pathogenesis. Relying exclusively on differentially abundant taxa may not be enough to fully grasp the complex interplay between lung cancer and the microbiome. Therefore, a network-based approach can offer deeper insights and a more comprehensive understanding of the underlying mechanisms.
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Affiliation(s)
- Sadaf Najafi
- Department of Biostatistics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Sadegh Azimzadeh Jamalkandi
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Ali Najafi
- Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Jafar Salimian
- Applied Virology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Ali Ahmadi
- Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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Bustos IG, Martín-Loeches I, Acosta-González A, Chotirmall SH, Dickson RP, Reyes LF. Exploring the complex relationship between the lung microbiome and ventilator-associated pneumonia. Expert Rev Respir Med 2023; 17:889-901. [PMID: 37872770 DOI: 10.1080/17476348.2023.2273424] [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: 06/14/2023] [Accepted: 10/17/2023] [Indexed: 10/25/2023]
Abstract
INTRODUCTION Understanding the presence and function of a diverse lung microbiome in acute lung infections, particularly ventilator-associated pneumonia (VAP), is still limited, evidencing significant gaps in our knowledge. AREAS COVERED In this comprehensive narrative review, we aim to elucidate the contribution of the respiratory microbiome in the development of VAP by examining the current knowledge on the interactions among microorganisms. By exploring these intricate connections, we endeavor to enhance our understanding of the disease's pathophysiology and pave the way for novel ideas and interventions in studying the respiratory tract microbiome. EXPERT OPINION The conventional perception of lungs as sterile is deprecated since it is currently recognized the existence of a diverse microbial community within them. However, despite extensive research on the role of the respiratory microbiome in healthy lungs, respiratory chronic diseases and acute lung infections such as pneumonia are not fully understood. It is crucial to investigate further the relationship between the pathophysiology of VAP and the pulmonary microbiome, elucidating the mechanisms underlying the interactions between the microbiome, host immune response and mechanical ventilation for the development of VAP.
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Affiliation(s)
- Ingrid G Bustos
- Unisabana Center for Translational Science, School of Medicine, Universidad de La Sabana, Chia, Colombia
- Doctorado de Biociencias, Department of Engineering, Universidad de la Sabana, Chia, Colombia
| | - Ignacio Martín-Loeches
- Multidisciplinary Intensive Care Research Organization (MICRO), St James's Hospital, Dublin, Ireland
| | - Alejandro Acosta-González
- Unisabana Center for Translational Science, School of Medicine, Universidad de La Sabana, Chia, Colombia
- Bioprospection Research Group (GIBP), Department of Engineering, Universidad de La Sabana, Chia, Colombia
| | - Sanjay H Chotirmall
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
- Department of Respiratory and Critical Care Medicine, Tan Tock Seng Hospital, Singapore, Singapore
| | - Robert P Dickson
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI, USA
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
- Weil Institute for Critical Care Research & Innovation, Ann Arbor, MI, USA
| | - Luis Felipe Reyes
- Unisabana Center for Translational Science, School of Medicine, Universidad de La Sabana, Chia, Colombia
- Critical Care Department, Clinica Universidad de La Sabana, Chia, Colombia
- Pandemic Sciences Institute, University of Oxford, Oxford, UK
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Bucharskaya AB, Yanina IY, Atsigeida SV, Genin VD, Lazareva EN, Navolokin NA, Dyachenko PA, Tuchina DK, Tuchina ES, Genina EA, Kistenev YV, Tuchin VV. Optical clearing and testing of lung tissue using inhalation aerosols: prospects for monitoring the action of viral infections. Biophys Rev 2022; 14:1005-1022. [PMID: 36042751 PMCID: PMC9415257 DOI: 10.1007/s12551-022-00991-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 08/03/2022] [Indexed: 02/06/2023] Open
Abstract
Optical clearing of the lung tissue aims to make it more transparent to light by minimizing light scattering, thus allowing reconstruction of the three-dimensional structure of the tissue with a much better resolution. This is of great importance for monitoring of viral infection impact on the alveolar structure of the tissue and oxygen transport. Optical clearing agents (OCAs) can provide not only lesser light scattering of tissue components but also may influence the molecular transport function of the alveolar membrane. Air-filled lungs present significant challenges for optical imaging including optical coherence tomography (OCT), confocal and two-photon microscopy, and Raman spectroscopy, because of the large refractive-index mismatch between alveoli walls and the enclosed air-filled region. During OCT imaging, the light is strongly backscattered at each air–tissue interface, such that image reconstruction is typically limited to a single alveolus. At the same time, the filling of these cavities with an OCA, to which water (physiological solution) can also be attributed since its refractive index is much higher than that of air will lead to much better tissue optical transmittance. This review presents general principles and advances in the field of tissue optical clearing (TOC) technology, OCA delivery mechanisms in lung tissue, studies of the impact of microbial and viral infections on tissue response, and antimicrobial and antiviral photodynamic therapies using methylene blue (MB) and indocyanine green (ICG) dyes as photosensitizers.
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Affiliation(s)
- Alla B. Bucharskaya
- Centre of Collective Use, Saratov State Medical University n.a. V.I. Razumovsky, 112 B. Kazach’ya, Saratov, 410012 Russia
- Science Medical Center, Saratov State University, 83 Astrakhanskaya St, Saratov, 410012 Russia
- Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, 36 Lenin’s Av, Tomsk, 634050 Russia
| | - Irina Yu. Yanina
- Science Medical Center, Saratov State University, 83 Astrakhanskaya St, Saratov, 410012 Russia
- Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, 36 Lenin’s Av, Tomsk, 634050 Russia
| | - Sofia V. Atsigeida
- Science Medical Center, Saratov State University, 83 Astrakhanskaya St, Saratov, 410012 Russia
- Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, 36 Lenin’s Av, Tomsk, 634050 Russia
| | - Vadim D. Genin
- Science Medical Center, Saratov State University, 83 Astrakhanskaya St, Saratov, 410012 Russia
- Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, 36 Lenin’s Av, Tomsk, 634050 Russia
| | - Ekaterina N. Lazareva
- Science Medical Center, Saratov State University, 83 Astrakhanskaya St, Saratov, 410012 Russia
- Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, 36 Lenin’s Av, Tomsk, 634050 Russia
| | - Nikita A. Navolokin
- Centre of Collective Use, Saratov State Medical University n.a. V.I. Razumovsky, 112 B. Kazach’ya, Saratov, 410012 Russia
- Science Medical Center, Saratov State University, 83 Astrakhanskaya St, Saratov, 410012 Russia
| | - Polina A. Dyachenko
- Science Medical Center, Saratov State University, 83 Astrakhanskaya St, Saratov, 410012 Russia
- Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, 36 Lenin’s Av, Tomsk, 634050 Russia
| | - Daria K. Tuchina
- Science Medical Center, Saratov State University, 83 Astrakhanskaya St, Saratov, 410012 Russia
- Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, 36 Lenin’s Av, Tomsk, 634050 Russia
| | - Elena S. Tuchina
- Department of Biology, Saratov State University, 83 Astrakhanskaya St, Saratov, 410012 Russia
| | - Elina A. Genina
- Science Medical Center, Saratov State University, 83 Astrakhanskaya St, Saratov, 410012 Russia
- Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, 36 Lenin’s Av, Tomsk, 634050 Russia
| | - Yury V. Kistenev
- Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, 36 Lenin’s Av, Tomsk, 634050 Russia
| | - Valery V. Tuchin
- Science Medical Center, Saratov State University, 83 Astrakhanskaya St, Saratov, 410012 Russia
- Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, 36 Lenin’s Av, Tomsk, 634050 Russia
- Laboratory of Laser Diagnostics of Technical and Living Systems, Institute of Precision Mechanics and Control, FRC “Saratov Scientific Centre of the Russian Academy of Sciences”, 24 Rabochaya St, Saratov, 410028 Russia
- A.N. Bach Institute of Biochemistry, FRC “Fundamentals of Biotechnology” of the Russian Academy of Sciences, 33-2 Leninsky Av, Moscow, 119991 Russia
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Chen H(D, Ma Z(S. Further Quantifying the Niche-Neutral Continuum of Human Digestive Tract Microbiomes with Near Neutral Model and Stochasticity Analysis. Evol Bioinform Online 2022; 18:11769343221128540. [DOI: 10.1177/11769343221128540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 08/28/2022] [Indexed: 11/24/2022] Open
Abstract
It is postulated that the human digestive tract (DT) from mouth to intestine is differentiated into diverse niches. For example, Segata et al. discovered that the microbiomes of diverse habitats along the DT could be distinguished as 4 types (niches) including (i) stool; (ii) sub-gingival plaques (SubP) and supra-gingival plaques (SupP); (iii) tongue dorsum (TD), throat (TH), palatine tonsils (PT), and saliva (Sal); and (iv) hard palate (HP) and buccal mucosa (BM), and keratinized gingiva (KG). These niches are different not only in composition, but also in metabolic potentials. In a previous study, we applied Harris et al’s multi-site neutral and Tang and Zhou’s niche-neutral hybrid models to characterize the DT niches discovered by Segata et al. Here, we complement the previous study by applying Sloan’s near-neural model and Ning et al’s stochasticity analysis framework to quantify the niche-neutral continuum of the DT microbiome distribution to shed light on the possible ecological/evolutionary mechanism that shapes the continuum. Overall but excluding the stool site, the proportion of neutral OTUs (46%) is slightly higher than that of the positive selection (38%), but significantly higher than negative selection (15%). The gut (stool) exhibited 3 to 12 times lower neutrality than other DT sites. The analysis also cross-verified our previous hypothesis that the KG ( keratinized gingiva) is of distinct assembly dynamics in the DT microbiome, should be treated as a fifth niche. Our findings offer new insight on the long-standing debate concerning whether a minimum of 2-mm of KG width is necessary for marginal periodontal health.
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Affiliation(s)
- Hongju (Daisy) Chen
- Department of Mathematics and Statistics, Honghe University, Yunnan, China
- Computational Biology and Medical Ecology Lab, State Key Lab of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Science, Kunming, Yunnan, China
| | - Zhanshan (Sam) Ma
- Computational Biology and Medical Ecology Lab, State Key Lab of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Science, Kunming, Yunnan, China
- Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, China
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Microbiome-based therapeutics: Opportunity and challenges. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2022; 191:229-262. [DOI: 10.1016/bs.pmbts.2022.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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