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Liu S, Yu C, Tu Q, Zhang Q, Fu Z, Huang Y, He C, Yao L. Bacterial co-infection in COVID-19: a call to stay vigilant. PeerJ 2024; 12:e18041. [PMID: 39308818 PMCID: PMC11416760 DOI: 10.7717/peerj.18041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 08/13/2024] [Indexed: 09/25/2024] Open
Abstract
Co-infection with diverse bacteria is commonly seen in patients infected with the novel coronavirus, SARS-CoV-2. This type of co-infection significantly impacts the occurrence and development of novel coronavirus infection. Bacterial co-pathogens are typically identified in the respiratory system and blood culture, which complicates the diagnosis, treatment, and prognosis of COVID-19, and even exacerbates the severity of disease symptoms and increases mortality rates. However, the status and impact of bacterial co-infections during the COVID-19 pandemic have not been properly studied. Recently, the amount of literature on the co-infection of SARS-CoV-2 and bacteria has gradually increased, enabling a comprehensive discussion on this type of co-infection. In this study, we focus on bacterial infections in the respiratory system and blood of patients with COVID-19 because these infection types significantly affect the severity and mortality of COVID-19. Furthermore, the progression of COVID-19 has markedly elevated the antimicrobial resistance among specific bacteria, such as Klebsiella pneumoniae, in clinical settings including intensive care units (ICUs). Grasping these resistance patterns is pivotal for the optimal utilization and stewardship of antibiotics, including fluoroquinolones. Our study offers insights into these aspects and serves as a fundamental basis for devising effective therapeutic strategies. We primarily sourced our articles from PubMed, ScienceDirect, Scopus, and Google Scholar. We queried these databases using specific search terms related to COVID-19 and its co-infections with bacteria or fungi, and selectively chose relevant articles for inclusion in our review.
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Affiliation(s)
- Shengbi Liu
- Department of Clinical Laboratory, Guiqian International General Hospital, Guiyang, People’s Republic of China
| | - Chao Yu
- Department of Clinical Laboratory, Guiqian International General Hospital, Guiyang, People’s Republic of China
| | - Qin Tu
- Department of Clinical Laboratory, Guiqian International General Hospital, Guiyang, People’s Republic of China
| | - Qianming Zhang
- Department of Clinical Laboratory, Guiqian International General Hospital, Guiyang, People’s Republic of China
| | - Zuowei Fu
- Department of Clinical Laboratory, Guiqian International General Hospital, Guiyang, People’s Republic of China
| | - Yifeng Huang
- Department of Clinical Laboratory, Guiqian International General Hospital, Guiyang, People’s Republic of China
| | - Chuan He
- Department of Clinical Laboratory, Guiqian International General Hospital, Guiyang, People’s Republic of China
| | - Lei Yao
- Department of Clinical Laboratory, Guiqian International General Hospital, Guiyang, People’s Republic of China
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Ferous S, Siafakas N, Boufidou F, Patrinos GP, Tsakris A, Anastassopoulou C. Investigating ABO Blood Groups and Secretor Status in Relation to SARS-CoV-2 Infection and COVID-19 Severity. J Pers Med 2024; 14:346. [PMID: 38672973 PMCID: PMC11051264 DOI: 10.3390/jpm14040346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 03/22/2024] [Accepted: 03/25/2024] [Indexed: 04/28/2024] Open
Abstract
The ABO blood groups, Lewis antigens, and secretor systems are important components of transfusion medicine. These interconnected systems have been also shown to be associated with differing susceptibility to bacterial and viral infections, likely as the result of selection over the course of evolution and the constant tug of war between humans and infectious microbes. This comprehensive narrative review aimed to explore the literature and to present the current state of knowledge on reported associations of the ABO, Lewis, and secretor blood groups with SARS-CoV-2 infection and COVID-19 severity. Our main finding was that the A blood group may be associated with increased susceptibility to SARS-CoV-2 infection, and possibly also with increased disease severity and overall mortality. The proposed pathophysiological pathways explaining this potential association include antibody-mediated mechanisms and increased thrombotic risk amongst blood group A individuals, in addition to altered inflammatory cytokine expression profiles. Preliminary evidence does not support the association between ABO blood groups and COVID-19 vaccine response, or the risk of developing long COVID. Even though the emergency state of the pandemic is over, further research is needed especially in this area since tens of millions of people worldwide suffer from lingering COVID-19 symptoms.
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Affiliation(s)
- Stefanos Ferous
- Department of Microbiology, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, 11527 Athens, Greece; (S.F.); (A.T.)
| | - Nikolaos Siafakas
- Department of Clinical Microbiology, Attikon General Hospital, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece;
| | - Fotini Boufidou
- Neurochemistry and Biological Markers Unit, 1st Department of Neurology, Eginition Hospital, Medical School, National and Kapodistrian University of Athens, 11528 Athens, Greece;
| | - George P. Patrinos
- Laboratory of Pharmacogenomics and Individualized Therapy, Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Patras, Greece;
- Zayed Center for Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
- Department of Genetics and Genomics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
| | - Athanasios Tsakris
- Department of Microbiology, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, 11527 Athens, Greece; (S.F.); (A.T.)
| | - Cleo Anastassopoulou
- Department of Microbiology, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, 11527 Athens, Greece; (S.F.); (A.T.)
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3
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Zhang DW, Lu JL, Dong BY, Fang MY, Xiong X, Qin XJ, Fan XM. Gut microbiota and its metabolic products in acute respiratory distress syndrome. Front Immunol 2024; 15:1330021. [PMID: 38433840 PMCID: PMC10904571 DOI: 10.3389/fimmu.2024.1330021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 01/30/2024] [Indexed: 03/05/2024] Open
Abstract
The prevalence rate of acute respiratory distress syndrome (ARDS) is estimated at approximately 10% in critically ill patients worldwide, with the mortality rate ranging from 17% to 39%. Currently, ARDS mortality is usually higher in patients with COVID-19, giving another challenge for ARDS treatment. However, the treatment efficacy for ARDS is far from satisfactory. The relationship between the gut microbiota and ARDS has been substantiated by relevant scientific studies. ARDS not only changes the distribution of gut microbiota, but also influences intestinal mucosal barrier through the alteration of gut microbiota. The modulation of gut microbiota can impact the onset and progression of ARDS by triggering dysfunctions in inflammatory response and immune cells, oxidative stress, cell apoptosis, autophagy, pyroptosis, and ferroptosis mechanisms. Meanwhile, ARDS may also influence the distribution of metabolic products of gut microbiota. In this review, we focus on the impact of ARDS on gut microbiota and how the alteration of gut microbiota further influences the immune function, cellular functions and related signaling pathways during ARDS. The roles of gut microbiota-derived metabolites in the development and occurrence of ARDS are also discussed.
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Affiliation(s)
- Dong-Wei Zhang
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Department of Respiratory and Critical Care Medicine, Liuzhou People’s Hospital, Guangxi Medical University, Liuzhou, Guangxi, China
- Key Laboratory of Diagnosis, Treatment and Research of Asthma and Chronic Obstructive Pulmonary Disease, Liuzhou, Guangxi, China
| | - Jia-Li Lu
- Department of Respiratory and Critical Care Medicine, Liuzhou People’s Hospital, Guangxi Medical University, Liuzhou, Guangxi, China
- Key Laboratory of Diagnosis, Treatment and Research of Asthma and Chronic Obstructive Pulmonary Disease, Liuzhou, Guangxi, China
| | - Bi-Ying Dong
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Department of Respiratory and Critical Care Medicine, Liuzhou People’s Hospital, Guangxi Medical University, Liuzhou, Guangxi, China
- Key Laboratory of Diagnosis, Treatment and Research of Asthma and Chronic Obstructive Pulmonary Disease, Liuzhou, Guangxi, China
| | - Meng-Ying Fang
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Xia Xiong
- Department of Dermatology, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan, China
| | - Xue-Jun Qin
- Department of Respiratory and Critical Care Medicine, Liuzhou People’s Hospital, Guangxi Medical University, Liuzhou, Guangxi, China
- Key Laboratory of Diagnosis, Treatment and Research of Asthma and Chronic Obstructive Pulmonary Disease, Liuzhou, Guangxi, China
| | - Xian-Ming Fan
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
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Vakili B, Shoaei P, Shahzamani K, Siadat SD, Shojaei H, Esfandiari Z, Nasri E, Shabani S, Zamani Moghadam A, Ataei B. Gut-Lung Microbiota Characterization in Patients with Non-Small Cell Lung Carcinoma and COVID-19 Coinfection. ARCHIVES OF IRANIAN MEDICINE 2024; 27:62-71. [PMID: 38619029 PMCID: PMC11017262 DOI: 10.34172/aim.2024.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 12/30/2023] [Indexed: 04/16/2024]
Abstract
BACKGROUND Non-small cell lung cancer (NSCLC) patients with COVID-19 have an excessive chance of morbidity and mortality. The fecal-nasopharyngeal microbiota compositions of NSCLC patients were assessed in this study. METHODS In total, 234 samples were collected from 17 NSCLC patients infected with COVID-19, 20 NSCLC patients without confirmed COVID-19, 40 non NSCLC patients with COVID-19, and 40 healthy individuals. RESULTS In lung microbiota, the abundance of Streptococcus spp. in NSCLC patients with confirmed COVID-19 was significantly higher than the two control groups. Pseudomonas aeruginosa and Staphylococcus aureus were listed as the most frequent pulmonary bacterial groups that colonized COVID-19 patients. In fecal specimens, the numbers of Bacteroidetes, Firmicutes, and Actinobacteria phyla were significantly higher amongst NSCLC patients with COVID-19. NSCLC patients infected with COVID-19 showed lower levels of Lactobacillus spp., Akkermansia muciniphila, and Bifidobacterium spp. The counts of Streptococcus spp., in NSCLC patients with COVID-19 were significantly higher than those of healthy individuals (8.49±0.70 log CFU/g wet feces vs 8.49±0.70 log CFU/g wet feces). Prevotella spp. were enriched in the gut and respiratory tracts of COVID-19 patient groups. The unbiased analysis showed an increment in Enterococcus spp., Streptococcus spp., and Prevotella spp. CONCLUSION Eventually, it was found that compared to control groups, COVID-19 patients with NSCLC showed diminished gut bacteria diversity and increase in Lactobacillus spp., A. muciniphila, and Bifidobacterium spp. The overgrowth of Enterococcus spp., Streptococcus spp., and Prevotella spp. could be potential predictive biomarkers in the gut-lung axis of NSCLC patients with COVID-19.
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Affiliation(s)
- Bahareh Vakili
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parisa Shoaei
- Nosocomial Infection Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Kiana Shahzamani
- Hepatitis Research Center, School of Medicine, Lorestan University of Medical Sciences, Khoramabad, Iran
| | - Seyed Davar Siadat
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
- Microbiology Research Center (MRC), Pasteur Institute of Iran, Tehran, Iran
| | - Hasan Shojaei
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zahra Esfandiari
- Department of Food Science and Technology, Nutrition and Food Security Research Center, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Elahe Nasri
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shiva Shabani
- Department of Infectious Diseases, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Ali Zamani Moghadam
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Behrooz Ataei
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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5
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Eladham MW, Selvakumar B, Saheb Sharif-Askari N, Saheb Sharif-Askari F, Ibrahim SM, Halwani R. Unraveling the gut-Lung axis: Exploring complex mechanisms in disease interplay. Heliyon 2024; 10:e24032. [PMID: 38268584 PMCID: PMC10806295 DOI: 10.1016/j.heliyon.2024.e24032] [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: 08/12/2023] [Revised: 12/18/2023] [Accepted: 01/02/2024] [Indexed: 01/26/2024] Open
Abstract
The link between gut and lung starts as early as during organogenesis. Even though they are anatomically distinct, essential bidirectional crosstalk via complex mechanisms supports GLA. Emerging studies have demonstrated the association of gut and lung diseases via multifaceted mechanisms. Advancements in omics and metagenomics technologies revealed a potential link between gut and lung microbiota, adding further complexity to GLA. Despite substantial studies on GLA in various disease models, mechanisms beyond microbial dysbiosis regulating the interplay between gut and lung tissues during disease conditions are not thoroughly reviewed. This review outlines disease specific GLA mechanisms, emphasizing research gaps with a focus on gut-to-lung direction based on current GLA literature. Moreover, the review discusses potential gut microbiota and their products like metabolites, immune modulators, and non-bacterial contributions as a basis for developing treatment strategies for lung diseases. Advanced experimental methods, modern diagnostic tools, and technological advancements are also highlighted as crucial areas for improvement in developing novel therapeutic approaches for GLA-related diseases. In conclusion, this review underscores the importance of exploring additional mechanisms within the GLA to gain a deeper understanding that could aid in preventing and treating a wide spectrum of lung diseases.
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Affiliation(s)
- Mariam Wed Eladham
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Balachandar Selvakumar
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Narjes Saheb Sharif-Askari
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Fatemeh Saheb Sharif-Askari
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Department of Pharmacy Practice and Pharmaceutics, College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
| | | | - Rabih Halwani
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Prince Abdullah Ben Khaled Celiac Disease Research Chair, Department of Pediatrics, Faculty of Medicine, King Saud University, Saudi Arabia
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6
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Bose T, Wasimuddin, Acharya V, Pinna NK, Kaur H, Ranjan M, SaiKrishna J, Nagabandi T, Varma B, Tallapaka KB, Sowpati DT, Haque MM, Dutta A, Siva AB, Mande SS. A cross-sectional study on the nasopharyngeal microbiota of individuals with SARS-CoV-2 infection across three COVID-19 waves in India. Front Microbiol 2023; 14:1238829. [PMID: 37744900 PMCID: PMC10511876 DOI: 10.3389/fmicb.2023.1238829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 08/09/2023] [Indexed: 09/26/2023] Open
Abstract
Background Multiple variants of the SARS-CoV-2 virus have plagued the world through successive waves of infection over the past three years. Independent research groups across geographies have shown that the microbiome composition in COVID-19 positive patients (CP) differs from that of COVID-19 negative individuals (CN). However, these observations were based on limited-sized sample-sets collected primarily from the early days of the pandemic. Here, we study the nasopharyngeal microbiota in COVID-19 patients, wherein the samples have been collected across the three COVID-19 waves witnessed in India, which were driven by different variants of concern. Methods The nasopharyngeal swabs were collected from 589 subjects providing samples for diagnostics purposes at the Centre for Cellular and Molecular Biology (CSIR-CCMB), Hyderabad, India and subjected to 16s rRNA gene amplicon - based sequencing. Findings We found variations in the microbiota of symptomatic vs. asymptomatic COVID-19 patients. CP showed a marked shift in the microbial diversity and composition compared to CN, in a wave-dependent manner. Rickettsiaceae was the only family that was noted to be consistently depleted in CP samples across the waves. The genera Staphylococcus, Anhydrobacter, Thermus, and Aerococcus were observed to be highly abundant in the symptomatic CP patients when compared to the asymptomatic group. In general, we observed a decrease in the burden of opportunistic pathogens in the host microbiota during the later waves of infection. Interpretation To our knowledge, this is the first analytical cross-sectional study of this scale, which was designed to understand the relation between the evolving nature of the virus and the changes in the human nasopharyngeal microbiota. Although no clear signatures were observed, this study shall pave the way for a better understanding of the disease pathophysiology and help gather preliminary evidence on whether interventions to the host microbiota can help in better protection or faster recovery.
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Affiliation(s)
- Tungadri Bose
- TCS Research, Tata Consultancy Services Limited, Pune, Maharashtra, India
| | - Wasimuddin
- Centre for Cellular and Molecular Biology (CSIR-CCMB), Hyderabad, Telangana, India
| | - Varnali Acharya
- Centre for Cellular and Molecular Biology (CSIR-CCMB), Hyderabad, Telangana, India
| | - Nishal Kumar Pinna
- TCS Research, Tata Consultancy Services Limited, Pune, Maharashtra, India
| | - Harrisham Kaur
- TCS Research, Tata Consultancy Services Limited, Pune, Maharashtra, India
| | - Manish Ranjan
- Centre for Cellular and Molecular Biology (CSIR-CCMB), Hyderabad, Telangana, India
| | - Jandhyala SaiKrishna
- Centre for Cellular and Molecular Biology (CSIR-CCMB), Hyderabad, Telangana, India
| | - Tulasi Nagabandi
- Centre for Cellular and Molecular Biology (CSIR-CCMB), Hyderabad, Telangana, India
| | - Binuja Varma
- TCS Genomics Lab, Tata Consultancy Services Limited, Noida, Uttar Pradesh, India
| | | | - Divya Tej Sowpati
- Centre for Cellular and Molecular Biology (CSIR-CCMB), Hyderabad, Telangana, India
| | | | - Anirban Dutta
- TCS Research, Tata Consultancy Services Limited, Pune, Maharashtra, India
| | | | - Sharmila S. Mande
- TCS Research, Tata Consultancy Services Limited, Pune, Maharashtra, India
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Sekaran K, Varghese RP, Doss C. GP, Alsamman AM, Zayed H, El Allali A. Airway and Oral microbiome profiling of SARS-CoV-2 infected asthma and non-asthma cases revealing alterations-A pulmonary microbial investigation. PLoS One 2023; 18:e0289891. [PMID: 37590197 PMCID: PMC10434894 DOI: 10.1371/journal.pone.0289891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 07/27/2023] [Indexed: 08/19/2023] Open
Abstract
New evidence strongly discloses the pathogenesis of host-associated microbiomes in respiratory diseases. The microbiome dysbiosis modulates the lung's behavior and deteriorates the respiratory system's effective functioning. Several exogenous and environmental factors influence the development of asthma and chronic lung disease. The relationship between asthma and microbes is reasonably understood and yet to be investigated for more substantiation. The comorbidities such as SARS-CoV-2 further exacerbate the health condition of the asthma-affected individuals. This study examines the raw 16S rRNA sequencing data collected from the saliva and nasopharyngeal regions of pre-existing asthma (23) and non-asthma patients (82) infected by SARS-CoV-2 acquired from the public database. The experiment is designed in a two-fold pattern, analyzing the associativity between the samples collected from the saliva and nasopharyngeal regions. Later, investigates the microbial pathogenesis, its role in exacerbations of respiratory disease, and deciphering the diagnostic biomarkers of the target condition. LEfSE analysis identified that Actinobacteriota and Pseudomonadota are enriched in the SARS-CoV-2-non-asthma group and SARS-CoV-2 asthma group of the salivary microbiome, respectively. Random forest algorithm is trained with amplicon sequence variants (ASVs) attained better classification accuracy, ROC scores on nasal (84% and 87%) and saliva datasets (93% and 97.5%). Rothia mucilaginosa is less abundant, and Corynebacterium tuberculostearicum showed higher abundance in the SARS-CoV-2 asthma group. The increase in Streptococcus at the genus level in the SARS-CoV-2-asthma group is evidence of discriminating the subgroups.
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Affiliation(s)
- Karthik Sekaran
- Vellore Institute of Technology, School of Biosciences and Technology, Vellore, India
| | | | - George Priya Doss C.
- Vellore Institute of Technology, School of Biosciences and Technology, Vellore, India
| | - Alsamman M. Alsamman
- Department of Genome Mapping, Molecular Genetics and Genome Mapping Laboratory, Agricultural Genetic Engineering Research Institute, Giza, Egypt
| | - Hatem Zayed
- Department of Biomedical Sciences College of Health Sciences, QU Health, Qatar University, Doha, Qatar
| | - Achraf El Allali
- African Genome Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco
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8
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Moon Y. Gut distress and intervention via communications of SARS-CoV-2 with mucosal exposome. Front Public Health 2023; 11:1098774. [PMID: 37139365 PMCID: PMC10150023 DOI: 10.3389/fpubh.2023.1098774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 03/27/2023] [Indexed: 05/05/2023] Open
Abstract
Acute coronavirus disease 2019 (COVID-19) has been associated with prevalent gastrointestinal distress, characterized by fecal shedding of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA or persistent antigen presence in the gut. Using a meta-analysis, the present review addressed gastrointestinal symptoms, such as nausea, vomiting, abdominal pain, and diarrhea. Despite limited data on the gut-lung axis, viral transmission to the gut and its influence on gut mucosa and microbial community were found to be associated by means of various biochemical mechanisms. Notably, the prolonged presence of viral antigens and disrupted mucosal immunity may increase gut microbial and inflammatory risks, leading to acute pathological outcomes or post-acute COVID-19 symptoms. Patients with COVID-19 exhibit lower bacterial diversity and a higher relative abundance of opportunistic pathogens in their gut microbiota than healthy controls. Considering the dysbiotic changes during infection, remodeling or supplementation with beneficial microbial communities may counteract adverse outcomes in the gut and other organs in patients with COVID-19. Moreover, nutritional status, such as vitamin D deficiency, has been associated with disease severity in patients with COVID-19 via the regulation of the gut microbial community and host immunity. The nutritional and microbiological interventions improve the gut exposome including the host immunity, gut microbiota, and nutritional status, contributing to defense against acute or post-acute COVID-19 in the gut-lung axis.
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Affiliation(s)
- Yuseok Moon
- Laboratory of Mucosal Exposome and Biomodulation, Department of Integrative Biomedical Sciences, Pusan National University, Yangsan-si, Republic of Korea
- Biomedical Research Institute, Pusan National University, Busan, Republic of Korea
- Graduate Program of Genomic Data Sciences, Pusan National University, Yangsan-si, Republic of Korea
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9
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Pergolizzi JV, LeQuang JA, Varrassi M, Breve F, Magnusson P, Varrassi G. What Do We Need to Know About Rising Rates of Idiopathic Pulmonary Fibrosis? A Narrative Review and Update. Adv Ther 2023; 40:1334-1346. [PMID: 36692679 PMCID: PMC9872080 DOI: 10.1007/s12325-022-02395-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 11/30/2022] [Indexed: 01/25/2023]
Abstract
The most common type of idiopathic interstitial pneumonia is idiopathic pulmonary fibrosis (IPF), an irreversible, progressive disorder that has lately come into question for possible associations with COVID-19. With few geographical exceptions, IPF is a rare disease but its prevalence has been increasing markedly since before the pandemic. Environmental exposures are frequently implicated in IPF although genetic factors play a role as well. In IPF, healthy lung tissue is progressively replaced with an abnormal extracellular matrix that impedes normal alveolar function while, at the same time, natural repair mechanisms become dysregulated. While chronic viral infections are known risk factors for IPF, acute infections are not and the link to COVID-19 has not been established. Macrophagy may be a frontline defense against any number of inflammatory pulmonary diseases, and the inflammatory cascade that may occur in patients with COVID-19 may disrupt the activity of monocytes and macrophages in clearing up fibrosis and remodeling lung tissue. It is unclear if COVID-19 infection is a risk factor for IPF, but the two can occur in the same patient with complicating effects. In light of its increasing prevalence, further study of IPF and its diagnosis and treatment is warranted.
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Affiliation(s)
| | | | - Marco Varrassi
- Department of Radiology, University of L'Aquila, L'Aquila, Italy
| | | | - Peter Magnusson
- Institution of Medical Sciences, Orebro University, Orebro, Sweden
- Institute of Medicine, Karolinska Institutet, Stockholm, Sweden
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10
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Mahalakshmi V, Balobaid A, Kanisha B, Sasirekha R, Ramkumar Raja M. Artificial Intelligence: A Next-Level Approach in Confronting the COVID-19 Pandemic. Healthcare (Basel) 2023; 11:854. [PMID: 36981511 PMCID: PMC10048108 DOI: 10.3390/healthcare11060854] [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: 01/19/2023] [Revised: 02/27/2023] [Accepted: 03/02/2023] [Indexed: 03/15/2023] Open
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) which caused coronavirus diseases (COVID-19) in late 2019 in China created a devastating economical loss and loss of human lives. To date, 11 variants have been identified with minimum to maximum severity of infection and surges in cases. Bacterial co-infection/secondary infection is identified during viral respiratory infection, which is a vital reason for morbidity and mortality. The occurrence of secondary infections is an additional burden to the healthcare system; therefore, the quick diagnosis of both COVID-19 and secondary infections will reduce work pressure on healthcare workers. Therefore, well-established support from Artificial Intelligence (AI) could reduce the stress in healthcare and even help in creating novel products to defend against the coronavirus. AI is one of the rapidly growing fields with numerous applications for the healthcare sector. The present review aims to access the recent literature on the role of AI and how its subfamily machine learning (ML) and deep learning (DL) are used to curb the pandemic's effects. We discuss the role of AI in COVID-19 infections, the detection of secondary infections, technology-assisted protection from COVID-19, global laws and regulations on AI, and the impact of the pandemic on public life.
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Affiliation(s)
- V. Mahalakshmi
- Department of Computer Science, College of Computer Science & Information Technology, Jazan University, Jazan 45142, Saudi Arabia
| | - Awatef Balobaid
- Department of Computer Science, College of Computer Science & Information Technology, Jazan University, Jazan 45142, Saudi Arabia
| | - B. Kanisha
- Department of Computer Science and Engineering, School of Computing, College of Engineering and Technology, SRM Institute of Science and Technology, Chengalpattu 603203, India
| | - R. Sasirekha
- Department of Computing Technologies, SRM Institute of Science and Technology, Kattankulathur Campus, Chengalpattu 603203, India
| | - M. Ramkumar Raja
- Department of Electrical Engineering, College of Engineering, King Khalid University, Abha 62529, Saudi Arabia
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11
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Purohit M, Gupta G, Afzal O, Altamimi ASA, Alzarea SI, Kazmi I, Almalki WH, Gulati M, Kaur IP, Singh SK, Dua K. Janus kinase/signal transducers and activator of transcription (JAK/STAT) and its role in Lung inflammatory disease. Chem Biol Interact 2023; 371:110334. [PMID: 36610610 DOI: 10.1016/j.cbi.2023.110334] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 12/23/2022] [Accepted: 01/03/2023] [Indexed: 01/06/2023]
Abstract
A key signaling channel for the signal transduction of several crucial cytokines implicated in sepsis is the JAK/STAT system. Once cytokines attach to the proper receptors, JAK kinases linked to them are activated and can selectively phosphorylate STATs. Activated STATs subsequently go to the nucleus, where they play a key role in the transcription of the target genes. Various biological activities use the JAK/STAT pathway, including hematopoiesis, immunological modulation, cell differentiation, and apoptosis. Inflammatory lung illnesses affect people worldwide and are a serious public health concern. Numerous common respiratory conditions, such as asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), and acute respiratory distress syndrome, are strongly influenced by inflammation. Microorganism infections or the destruction or demise of host cells are the causes of inflammation and the factors that perpetuate it. This review discusses the main elements of severe lung inflammation and how the JAK/STAT signaling pathway is essential for lung inflammation.
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Affiliation(s)
- Manish Purohit
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, 302017, Mahal Road, Jaipur, India
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, 302017, Mahal Road, Jaipur, India; Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India; Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India.
| | - Obaid Afzal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj, 11942, Saudi Arabia
| | | | - Sami I Alzarea
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Al-Jouf, Saudi Arabia
| | - Imran Kazmi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, 2007, NSW, Australia
| | - Indu Pal Kaur
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh, 160014, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, 2007, NSW, Australia
| | - Kamal Dua
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, 2007, NSW, Australia; Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, NSW, 2007, Australia.
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12
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Nardelli C, Scaglione GL, Testa D, Setaro M, Russo F, Di Domenico C, Atripaldi L, Zollo M, Corrado F, Salvatore P, Pinchera B, Gentile I, Capoluongo E. Nasal Microbiome in COVID-19: A Potential Role of Corynebacterium in Anosmia. Curr Microbiol 2023; 80:53. [PMID: 36583787 PMCID: PMC9802018 DOI: 10.1007/s00284-022-03106-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 10/31/2022] [Indexed: 12/31/2022]
Abstract
The evolution and the development of the symptoms of Coronavirus disease 19 (COVID-19) are due to different factors, where the microbiome plays a relevant role. The possible relationships between the gut, lung, nasopharyngeal, and oral microbiome with COVID-19 have been investigated. We analyzed the nasal microbiome of both positive and negative SARS-CoV-2 individuals, showing differences in terms of bacterial composition in this niche of respiratory tract. The microbiota solution A (Arrow Diagnostics) was used to cover the hypervariable V1-V3 regions of the bacterial 16S rRNA gene. MicrobAT Suite and MicrobiomeAnalyst program were used to identify the operational taxonomic units (OTUs) and to perform the statistical analysis, respectively. The main taxa identified in nasal microbiome of COVID-19 patients and in Healthy Control subjects belonged to three distinct phyla: Proteobacteria (HC = 14%, Cov19 = 35.8%), Firmicutes (HC = 28.8%, Cov19 = 30.6%), and Actinobacteria (HC = 56.7%, Cov19 = 14.4%) with a relative abundance > 1% in all groups. A significant reduction of Actinobacteria in Cov19 group compared to controls (P < 0.001, FDR = 0.01) was found. The significant reduction of Actinobacteria was identified in all taxonomic levels down to the genus (P < 0.01) using the ANOVA test. Indeed, a significantly reduced relative abundance of Corynebacterium was found in the patients compared to healthy controls (P = 0.001). Reduced abundance of Corynebacterium has been widely associated with anosmia, a common symptom of COVID-19 as suffered from our patients. Contrastingly, the Corynebacterium genus was highly represented in the nasal mucosa of healthy subjects. Further investigations on larger cohorts are necessary to establish functional relationships between nasal microbiota content and clinical features of COVID-19.
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Affiliation(s)
- Carmela Nardelli
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy
- CEINGE Biotecnologie Avanzate S.C.a R.L., Naples, Italy
- Task Force On Microbiome Studies, University of Naples Federico II, Naples, Italy
| | - Giovanni Luca Scaglione
- CEINGE Biotecnologie Avanzate S.C.a R.L., Naples, Italy
- Istituto Dermopatico Dell'Immacolata IDI-IRCSS, Rome, Italy
| | - Domenico Testa
- Department of Otorhinolaryngology, Luigi Vanvitelli University of Naples, Naples, Italy
| | - Mario Setaro
- CEINGE Biotecnologie Avanzate S.C.a R.L., Naples, Italy
| | - Filippo Russo
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy
- CEINGE Biotecnologie Avanzate S.C.a R.L., Naples, Italy
| | | | - Lidia Atripaldi
- Clinical Biochemistry Unit, AORN Ospedale Dei Colli, Naples, Italy
| | - Massimo Zollo
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy
- CEINGE Biotecnologie Avanzate S.C.a R.L., Naples, Italy
| | - Federica Corrado
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, Portici, Naples, Italy
| | - Paola Salvatore
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy
- CEINGE Biotecnologie Avanzate S.C.a R.L., Naples, Italy
| | - Biagio Pinchera
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Ivan Gentile
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Ettore Capoluongo
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy.
- Department of Clinical Pathology and Genomics, Azienda Ospedaliera Per L'Emergenza Cannizzaro, Catania, Italy.
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13
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Raudoniute J, Bironaite D, Bagdonas E, Kulvinskiene I, Jonaityte B, Danila E, Aldonyte R. Human airway and lung microbiome at the crossroad of health and disease (Review). Exp Ther Med 2023; 25:18. [PMID: 36561630 PMCID: PMC9748710 DOI: 10.3892/etm.2022.11718] [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: 08/31/2022] [Accepted: 11/04/2022] [Indexed: 11/23/2022] Open
Abstract
The evolving field of the microbiome and microbiota has become a popular research topic. The human microbiome is defined as a new organ and is considered a living community of commensal, symbiotic and pathogenic microorganisms within a certain body space. The term 'microbiome' is used to define the entire genome of the microbiota. Bacteria, archaea, fungi, algae and small protists are all members of the microbiota, followed by phages, viruses, plasmids and mobile genetic elements. The composition, heterogeneity and dynamics of microbiomes in time and space, their stability and resistance, essential characteristics and key participants, as well as interactions within the microbiome and with the host, are crucial lines of investigation for the development of successful future diagnostics and therapies. Standardization of microbiome studies and harmonized comparable methodologies are required for the transfer of knowledge from fundamental science into the clinic. Human health is dependent on microbiomes and achieved by nurturing beneficial resident microorganisms and their interplay with the host. The present study reviewed scientific knowledge on the major components of the human respiratory microbiome, i.e. bacteria, viruses and fungi, their symbiotic and parasitic roles, and, also, major diseases of the human respiratory tract and their microbial etiology. Bidirectional relationships regulate microbial ecosystems and host susceptibility. Moreover, environmental insults render host tissues and microbiota disease-prone. The human respiratory microbiome reflects the ambient air microbiome. By understanding the human respiratory microbiome, potential therapeutic strategies may be proposed.
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Affiliation(s)
- Jovile Raudoniute
- Department of Regenerative Medicine, State Research Institute Center for Innovative Medicine, Vilnius LT-0840, Lithuania
| | - Daiva Bironaite
- Department of Regenerative Medicine, State Research Institute Center for Innovative Medicine, Vilnius LT-0840, Lithuania
| | - Edvardas Bagdonas
- Department of Regenerative Medicine, State Research Institute Center for Innovative Medicine, Vilnius LT-0840, Lithuania
| | - Ieva Kulvinskiene
- Department of Regenerative Medicine, State Research Institute Center for Innovative Medicine, Vilnius LT-0840, Lithuania
| | - Brigita Jonaityte
- Center of Pulmonology and Allergology, Vilnius University Hospital Santaros Clinic, Vilnius LT-08661, Lithuania
| | - Edvardas Danila
- Center of Pulmonology and Allergology, Vilnius University Hospital Santaros Clinic, Vilnius LT-08661, Lithuania
| | - Ruta Aldonyte
- Department of Regenerative Medicine, State Research Institute Center for Innovative Medicine, Vilnius LT-0840, Lithuania
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14
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Mao Y, Bajinka O, Tang Z, Qiu X, Tan Y. Lung-brain axis: Metabolomics and pathological changes in lungs and brain of respiratory syncytial virus-infected mice. J Med Virol 2022; 94:5885-5893. [PMID: 35945613 DOI: 10.1002/jmv.28061] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 07/04/2022] [Accepted: 08/06/2022] [Indexed: 01/06/2023]
Abstract
The lung-brain axis is an emerging area of study that got its basis from the gut-brain axis biological pathway. Using Respiratory Synctial Virus (RSV) as the model of respiratory viral pathogen, this study aims to establish some biological pathways. After establishing the mice model, the inflammation in lung and brain were assayed using Hematoxylin-eosin staining, indirect immunofluorescence (IFA), and quantitative reverse-transcription polymerase chain reaction. The biological pathways between lung and brain were detected through metabolomics analysis. In lung, RSV infection promoted epithelial shedding and infiltration of inflammatory cells. Also, RSV immunofluorescence and titerss were significantly increased. Moreover, interleukin (IL)-1, IL-6 and tumor necrosis factor-α (TNF-α) were also significantly increased after RSV infection. In brain, the cell structure of hippocampal CA1 area was loose and disordered. Inflammatory cytokines IL-6 and IL-1β expression in the brain also increased, however, TNF-α expression showed no differences among the control and RSV group. We observed an increased expression of microglia biomarker IBA-1 and decreased neuronal biomarker NeuN. In addition, RSV mRNA expression levels were also increased in the brains. 15 metabolites were found upregulated in the RSV group including nerve-injuring metabolite glutaric acid, hydroxyglutaric acid and Spermine. ɑ-Estradiol increased significantly while normorphine decreased significantly at Day 7 of infection among the RSV group. This study established a mouse model for exploring the pathological changes in lungs and brains. There are many biological pathways between lung and brain, including direct translocation of RSV and metabolite pathway.
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Affiliation(s)
- Yu Mao
- Department of Medical Microbiology, School of Basic and Medical Sciences, Central South University, Changsha, Hunan Provinces, China.,China-Africa Research Center of Infectious Diseases, School of Basic and Medical Sciences, Central South University, Changsha, Hunan, China
| | - Ousman Bajinka
- Department of Medical Microbiology, School of Basic and Medical Sciences, Central South University, Changsha, Hunan Provinces, China.,China-Africa Research Center of Infectious Diseases, School of Basic and Medical Sciences, Central South University, Changsha, Hunan, China.,Department of Medicine, School of Medicine and Allied Health Sciences, University of The Gambia, Serekunda, Gambia
| | - Zhongxiang Tang
- Department of Medical Microbiology, School of Basic and Medical Sciences, Central South University, Changsha, Hunan Provinces, China.,China-Africa Research Center of Infectious Diseases, School of Basic and Medical Sciences, Central South University, Changsha, Hunan, China
| | - Xiangjie Qiu
- Department of Medical Microbiology, School of Basic and Medical Sciences, Central South University, Changsha, Hunan Provinces, China.,China-Africa Research Center of Infectious Diseases, School of Basic and Medical Sciences, Central South University, Changsha, Hunan, China
| | - Yurong Tan
- Department of Medical Microbiology, School of Basic and Medical Sciences, Central South University, Changsha, Hunan Provinces, China.,China-Africa Research Center of Infectious Diseases, School of Basic and Medical Sciences, Central South University, Changsha, Hunan, China
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15
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Traina G. The Connection between Gut and Lung Microbiota, Mast Cells, Platelets and SARS-CoV-2 in the Elderly Patient. Int J Mol Sci 2022; 23:ijms232314898. [PMID: 36499222 PMCID: PMC9740794 DOI: 10.3390/ijms232314898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/21/2022] [Accepted: 11/25/2022] [Indexed: 11/29/2022] Open
Abstract
The human coronavirus SARS-CoV-2 or COVID-19 that emerged in late 2019 causes a respiratory tract infection and has currently resulted in more than 627 million confirmed cases and over 6.58 million deaths worldwide up to October 2022. The highest death rate caused by COVID-19 is in older people, especially those with comorbidities. This evidence presents a challenge for biomedical research on aging and also identifies some key players in inflammation, including mast cells and platelets, which could represent important markers and, at the same time, unconventional therapeutic targets. Studies have shown a decrease in the diversity of gut microbiota composition in the elderly, particularly a reduced abundance of butyrate-producing species, and COVID-19 patients manifest faecal microbiome alterations, with an increase in opportunistic pathogens and a depletion of commensal beneficial microorganisms. The main purpose of this narrative review is to highlight how an altered condition of the gut microbiota, especially in the elderly, could be an important factor and have a strong impact in the lung homeostasis and COVID-19 phenomenon, jointly to the activation of mast cells and platelets, and also affect the outcomes of the pathology. Therefore, a targeted and careful control of the intestinal microbiota could represent a complementary intervention to be implemented for the management and the challenge against COVID-19.
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Affiliation(s)
- Giovanna Traina
- Department of Pharmaceutical Sciences, University of Perugia, Via Romana, 06126 Perugia, Italy
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16
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Bradley ES, Zeamer AL, Bucci V, Cincotta L, Salive MC, Dutta P, Mutaawe S, Anya O, Tocci C, Moormann A, Ward DV, McCormick BA, Haran JP. Oropharyngeal microbiome profiled at admission is predictive of the need for respiratory support among COVID-19 patients. Front Microbiol 2022; 13:1009440. [PMID: 36246273 PMCID: PMC9561819 DOI: 10.3389/fmicb.2022.1009440] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 09/12/2022] [Indexed: 11/17/2022] Open
Abstract
The oropharyngeal microbiome, the collective genomes of the community of microorganisms that colonizes the upper respiratory tract, is thought to influence the clinical course of infection by respiratory viruses, including Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), the causative agent of Coronavirus Infectious Disease 2019 (COVID-19). In this study, we examined the oropharyngeal microbiome of suspected COVID-19 patients presenting to the Emergency Department and an inpatient COVID-19 unit with symptoms of acute COVID-19. Of 115 initially enrolled patients, 50 had positive molecular testing for COVID-19+ and had symptom duration of 14 days or less. These patients were analyzed further as progression of disease could most likely be attributed to acute COVID-19 and less likely a secondary process. Of these, 38 (76%) went on to require some form of supplemental oxygen support. To identify functional patterns associated with respiratory illness requiring respiratory support, we applied an interpretable random forest classification machine learning pipeline to shotgun metagenomic sequencing data and select clinical covariates. When combined with clinical factors, both species and metabolic pathways abundance-based models were found to be highly predictive of the need for respiratory support (F1-score 0.857 for microbes and 0.821 for functional pathways). To determine biologically meaningful and highly predictive signals in the microbiome, we applied the Stable and Interpretable RUle Set to the output of the models. This analysis revealed that low abundance of two commensal organisms, Prevotella salivae or Veillonella infantium (< 4.2 and 1.7% respectively), and a low abundance of a pathway associated with LPS biosynthesis (< 0.1%) were highly predictive of developing the need for acute respiratory support (82 and 91.4% respectively). These findings suggest that the composition of the oropharyngeal microbiome in COVID-19 patients may play a role in determining who will suffer from severe disease manifestations.
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Affiliation(s)
- Evan S. Bradley
- Department of Emergency Medicine, UMass Memorial Medical Center, Worcester, MA, United States
- Program in Microbiome Dynamics, University of Massachusetts Medical School, Worcester, MA, United States
- *Correspondence: Evan S. Bradley,
| | - Abigail L. Zeamer
- Program in Microbiome Dynamics, University of Massachusetts Medical School, Worcester, MA, United States
- Department of Microbiology and Physiologic Systems, University of Massachusetts Medical School, Worcester, MA, United States
| | - Vanni Bucci
- Program in Microbiome Dynamics, University of Massachusetts Medical School, Worcester, MA, United States
- Department of Microbiology and Physiologic Systems, University of Massachusetts Medical School, Worcester, MA, United States
| | - Lindsey Cincotta
- Department of Emergency Medicine, UMass Memorial Medical Center, Worcester, MA, United States
| | - Marie-Claire Salive
- Department of Emergency Medicine, UMass Memorial Medical Center, Worcester, MA, United States
| | - Protiva Dutta
- Department of Emergency Medicine, UMass Memorial Medical Center, Worcester, MA, United States
| | - Shafik Mutaawe
- Department of Emergency Medicine, UMass Memorial Medical Center, Worcester, MA, United States
| | - Otuwe Anya
- Department of Emergency Medicine, UMass Memorial Medical Center, Worcester, MA, United States
| | - Christopher Tocci
- Department of Biology and Biotechnology, Worcester Polytechnique Institute, Worcester, MA, United States
| | - Ann Moormann
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, United States
| | - Doyle V. Ward
- Program in Microbiome Dynamics, University of Massachusetts Medical School, Worcester, MA, United States
- Department of Microbiology and Physiologic Systems, University of Massachusetts Medical School, Worcester, MA, United States
| | - Beth A. McCormick
- Program in Microbiome Dynamics, University of Massachusetts Medical School, Worcester, MA, United States
- Department of Microbiology and Physiologic Systems, University of Massachusetts Medical School, Worcester, MA, United States
| | - John P. Haran
- Department of Emergency Medicine, UMass Memorial Medical Center, Worcester, MA, United States
- Program in Microbiome Dynamics, University of Massachusetts Medical School, Worcester, MA, United States
- Department of Microbiology and Physiologic Systems, University of Massachusetts Medical School, Worcester, MA, United States
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17
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Malik J, Ahmed S, Yaseen Z, Alanazi M, Alharby TN, Alshammari HA, Anwar S. Association of SARS-CoV-2 and Polypharmacy with Gut-Lung Axis: From Pathogenesis to Treatment. ACS OMEGA 2022; 7:33651-33665. [PMID: 36164411 PMCID: PMC9491241 DOI: 10.1021/acsomega.2c02524] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 08/29/2022] [Indexed: 06/12/2023]
Abstract
SARS-CoV-2 is a novel infectious contagion leading to COVID-19 disease. The virus has affected the lives of millions of people across the globe with a high mortality rate. It predominantly affects the lung (respiratory system), but it also affects other organs, including the cardiovascular, psychological, and gastrointestinal (GIT) systems. Moreover, elderly and comorbid patients with compromised organ functioning and pre-existing polypharmacy have worsened COVID-19-associated complications. Microbiota (MB) of the lung plays an important role in developing COVID-19. The extent of damage mainly depends on the predominance of opportunistic pathogens and, inversely, with the predominance of advantageous commensals. Changes in the gut MB are associated with a bidirectional shift in the interaction among the gut with a number of vital human organs, which leads to severe disease symptoms. This review focuses on dysbiosis in the gut-lung axis, COVID-19-induced worsening of comorbidities, and the influence of polypharmacy on MB.
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Affiliation(s)
- Jonaid
Ahmad Malik
- Department
of Pharmacology and Toxicology, National
Institute of Pharmaceutical Education and Research, Guwahati, Assam 781101, India
- Department
of Biomedical Engineering, Indian Institute
of Technology Rupnagar 140001, India
| | - Sakeel Ahmed
- Department
of Pharmacology and Toxicology, National
Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat 382355, India
| | - Zahid Yaseen
- Department
of Pharmaceutical Biotechnology, Delhi Pharmaceutical
Sciences and Research University, New Delhi, Delhi 110017, India
| | - Muteb Alanazi
- Department
of Clinical Pharmacy, College of Pharmacy, University of Hail, Hail 81422, Saudi Arabia
| | - Tareq Nafea Alharby
- Department
of Clinical Pharmacy, College of Pharmacy, University of Hail, Hail 81422, Saudi Arabia
| | | | - Sirajudheen Anwar
- Department
of Pharmacology and Toxicology, College of Pharmacy, University of Hail, Hail 81422, Saudi Arabia
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18
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Jiang Y, Zhao T, Zhou X, Xiang Y, Gutierrez‐Castrellon P, Ma X. Inflammatory pathways in COVID-19: Mechanism and therapeutic interventions. MedComm (Beijing) 2022; 3:e154. [PMID: 35923762 PMCID: PMC9340488 DOI: 10.1002/mco2.154] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/01/2022] [Accepted: 06/02/2022] [Indexed: 02/05/2023] Open
Abstract
The 2019 coronavirus disease (COVID-19) pandemic has become a global crisis. In the immunopathogenesis of COVID-19, SARS-CoV-2 infection induces an excessive inflammatory response in patients, causing an inflammatory cytokine storm in severe cases. Cytokine storm leads to acute respiratory distress syndrome, pulmonary and other multiorgan failure, which is an important cause of COVID-19 progression and even death. Among them, activation of inflammatory pathways is a major factor in generating cytokine storms and causing dysregulated immune responses, which is closely related to the severity of viral infection. Therefore, elucidation of the inflammatory signaling pathway of SARS-CoV-2 is important in providing otential therapeutic targets and treatment strategies against COVID-19. Here, we discuss the major inflammatory pathways in the pathogenesis of COVID-19, including induction, function, and downstream signaling, as well as existing and potential interventions targeting these cytokines or related signaling pathways. We believe that a comprehensive understanding of the regulatory pathways of COVID-19 immune dysregulation and inflammation will help develop better clinical therapy strategies to effectively control inflammatory diseases, such as COVID-19.
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Affiliation(s)
- Yujie Jiang
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityChengduPR China
| | - Tingmei Zhao
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityChengduPR China
| | - Xueyan Zhou
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityChengduPR China
| | - Yu Xiang
- Department of BiotherapyState Key Laboratory of Biotherapy Cancer CenterWest China HospitalSichuan UniversityChengduPR China
| | - Pedro Gutierrez‐Castrellon
- Center for Translational Research on Health Science Hospital General Dr. Manuel Gea GonzalezMinistry of HealthMexico CityMexico
| | - Xuelei Ma
- Department of BiotherapyState Key Laboratory of Biotherapy Cancer CenterWest China HospitalSichuan UniversityChengduPR China
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19
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Crovetto F, Selma-Royo M, Crispi F, Carbonetto B, Pascal R, Larroya M, Casas I, Tortajada M, Escudero N, Muñoz-Almagro C, Gomez-Roig MD, González-Torres P, Collado MC, Gratacos E. Nasopharyngeal microbiota profiling of pregnant women with SARS-CoV-2 infection. Sci Rep 2022; 12:13404. [PMID: 35927569 PMCID: PMC9352760 DOI: 10.1038/s41598-022-17542-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 07/27/2022] [Indexed: 12/18/2022] Open
Abstract
We aimed to analyze the nasopharyngeal microbiota profiles in pregnant women with and without SARS-CoV-2 infection, considered a vulnerable population during COVID-19 pandemic. Pregnant women were enrolled from a multicenter prospective population-based cohort during the first SARS-CoV-2 wave in Spain (March-June 2020 in Barcelona, Spain) in which the status of SARS-CoV-2 infection was determined by nasopharyngeal RT–PCR and antibodies in peripheral blood. Women were randomly selected for this cross-sectional study on microbiota. DNA was extracted from nasopharyngeal swab samples, and the V3-V4 region of the 16S rRNA of bacteria was amplified using region-specific primers. The differential abundance of taxa was tested, and alpha/beta diversity was evaluated. Among 76 women, 38 were classified as positive and 38 as negative for SARS-CoV-2 infection. All positive women were diagnosed by SARS-CoV-2 IgG and IgM/IgA antibodies, and 14 (37%) also had a positive RT–PCR. The overall composition of the nasopharyngeal microbiota differ in pregnant women with SARS-CoV-2 infection (positive SARS-CoV-2 antibodies), compared to those without the infection (negative SARS-CoV-2 antibodies) (p = 0.001), with a higher relative abundance of the Tenericutes and Bacteroidetes phyla and a higher abundance of the Prevotellaceae family. Infected women presented a different pattern of microbiota profiling due to beta diversity and higher richness (observed ASV < 0.001) and evenness (Shannon index < 0.001) at alpha diversity. These changes were also present in women after acute infection, as revealed by negative RT–PCR but positive SARS-CoV-2 antibodies, suggesting a potential association between SARS-CoV-2 infection and long-lasting shift in the nasopharyngeal microbiota. No significant differences were reported in mild vs. severe cases. This is the first study on nasopharyngeal microbiota during pregnancy. Pregnant women with SARS-CoV-2 infection had a different nasopharyngeal microbiota profile compared to negative cases.
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Affiliation(s)
- Francesca Crovetto
- Department of Maternal-Fetal Medicine, BCNatal, Barcelona Center for Maternal-Fetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic, Universitat de Barcelona, Passeig de Sant Joan de Déu 2, 08950, Esplugues de Llobregat, Barcelona, Spain. .,Institut de Recerca Sant Joan de Deu, Barcelona, Spain. .,Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Developmental Origin (RICORS), Instituto de Salud Carlos III, Madrid, Spain.
| | - Marta Selma-Royo
- Institute of Agrochemistry and Food Technology (IATA-CSIC), National Research Council, Agustin Escardino 7, 46980, Paterna, Valencia, Spain
| | - Fàtima Crispi
- Department of Maternal-Fetal Medicine, BCNatal, Barcelona Center for Maternal-Fetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic, Universitat de Barcelona, Passeig de Sant Joan de Déu 2, 08950, Esplugues de Llobregat, Barcelona, Spain.,Institut de Recerca August Pi Sunyer, Barcelona, Spain.,Center for Biomedical Network Research on Rare Diseases, Barcelona, Spain
| | | | - Rosalia Pascal
- Department of Maternal-Fetal Medicine, BCNatal, Barcelona Center for Maternal-Fetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic, Universitat de Barcelona, Passeig de Sant Joan de Déu 2, 08950, Esplugues de Llobregat, Barcelona, Spain.,Institut de Recerca Sant Joan de Deu, Barcelona, Spain.,Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Developmental Origin (RICORS), Instituto de Salud Carlos III, Madrid, Spain
| | - Marta Larroya
- Department of Maternal-Fetal Medicine, BCNatal, Barcelona Center for Maternal-Fetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic, Universitat de Barcelona, Passeig de Sant Joan de Déu 2, 08950, Esplugues de Llobregat, Barcelona, Spain
| | - Irene Casas
- Department of Maternal-Fetal Medicine, BCNatal, Barcelona Center for Maternal-Fetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic, Universitat de Barcelona, Passeig de Sant Joan de Déu 2, 08950, Esplugues de Llobregat, Barcelona, Spain.,Institut de Recerca Sant Joan de Deu, Barcelona, Spain
| | - Marta Tortajada
- Department of Maternal-Fetal Medicine, BCNatal, Barcelona Center for Maternal-Fetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic, Universitat de Barcelona, Passeig de Sant Joan de Déu 2, 08950, Esplugues de Llobregat, Barcelona, Spain
| | | | - Carmen Muñoz-Almagro
- Institut de Recerca Sant Joan de Deu, Barcelona, Spain.,Ciber of Epidemiology and Public Health (CIBERESP), Madrid, Spain.,Department of Medicine, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Maria Dolores Gomez-Roig
- Department of Maternal-Fetal Medicine, BCNatal, Barcelona Center for Maternal-Fetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic, Universitat de Barcelona, Passeig de Sant Joan de Déu 2, 08950, Esplugues de Llobregat, Barcelona, Spain.,Institut de Recerca Sant Joan de Deu, Barcelona, Spain.,Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Developmental Origin (RICORS), Instituto de Salud Carlos III, Madrid, Spain
| | | | - Maria Carmen Collado
- Institute of Agrochemistry and Food Technology (IATA-CSIC), National Research Council, Agustin Escardino 7, 46980, Paterna, Valencia, Spain
| | - Eduard Gratacos
- Department of Maternal-Fetal Medicine, BCNatal, Barcelona Center for Maternal-Fetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic, Universitat de Barcelona, Passeig de Sant Joan de Déu 2, 08950, Esplugues de Llobregat, Barcelona, Spain.,Institut de Recerca Sant Joan de Deu, Barcelona, Spain.,Institut de Recerca August Pi Sunyer, Barcelona, Spain.,Center for Biomedical Network Research on Rare Diseases, Barcelona, Spain
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20
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Nasal Microbiota, Olfactory Health, Neurological Disorders and Aging—A Review. Microorganisms 2022; 10:microorganisms10071405. [PMID: 35889124 PMCID: PMC9320618 DOI: 10.3390/microorganisms10071405] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 07/08/2022] [Accepted: 07/11/2022] [Indexed: 02/07/2023] Open
Abstract
The nasal region is one of the distinct environments for the survival of various microbiota. The human microbial niche begins to inhabit the human body right from birth, and the microbiota survive as commensals or opportunistic pathogens throughout the life of humans in their bodies in various habitats. These microbial communities help to maintain a healthy microenvironment by preventing the attack of pathogens and being involved in immune regulation. Any dysbiosis of microbiota residing in the mucosal surfaces, such as the nasal passages, guts, and genital regions, causes immune modulation and severe infections. The coexistence of microorganisms in the mucosal layers of respiratory passage, resulting in infections due to their co-abundance and interactions, and the background molecular mechanisms responsible for such interactions, need to be considered for investigation. Additional clinical evaluations can explain the interactions among the nasal microbiota, nasal dysbiosis and neurodegenerative diseases (NDs). The respiratory airways usually act as a substratum place for the microbes and can act as the base for respiratory tract infections. The microbial metabolites and the microbes can cross the blood–brain barrier and may cause NDs, such as Parkinson’s disease (PD), Alzheimer’s disease (AD), and multiple sclerosis (MS). The scientific investigations on the potential role of the nasal microbiota in olfactory functions and the relationship between their dysfunction and neurological diseases are limited. Recently, the consequences of the severe acute respiratory syndrome coronavirus (SARS-CoV-2) in patients with neurological diseases are under exploration. The crosstalk between the gut and the nasal microbiota is highly influential, because their mucosal regions are the prominent microbial niche and are connected to the olfaction, immune regulation, and homeostasis of the central nervous system. Diet is one of the major factors, which strongly influences the mucosal membranes of the airways, gut, and lung. Unhealthy diet practices cause dysbiosis in gut microbiota and the mucosal barrier. The current review summarizes the interrelationship between the nasal microbiota dysbiosis, resulting olfactory dysfunctions, and the progression of NDs during aging and the involvement of coronavirus disease 2019 in provoking the NDs.
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21
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Santos AP, Gonçalves LC, Oliveira ACC, Queiroz PHP, Ito CRM, Santos MO, Carneiro LC. Bacterial Co-Infection in Patients with COVID-19 Hospitalized (ICU and Not ICU): Review and Meta-Analysis. Antibiotics (Basel) 2022; 11:antibiotics11070894. [PMID: 35884147 PMCID: PMC9312179 DOI: 10.3390/antibiotics11070894] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/14/2022] [Accepted: 06/22/2022] [Indexed: 01/27/2023] Open
Abstract
The prevalence of patients hospitalized in ICUs with COVID-19 and co-infected by pathogenic bacteria is relevant in this study, considering the integrality of treatment. This systematic review assesses the prevalence of co-infection in patients admitted to ICUs with SARS-CoV-2 infection, using the PRISMA guidelines. We examined the results of the PubMed, Embase, and SciELO databases, searching for published English literature from December 2019 to December 2021. A total of 542 rec ords were identified, but only 38 were eligible and, and of these only 10 were included. The tabulated studies represented a sample group of 1394 co-infected patients. In total, 35%/138 of the patients were co-infected with Enterobacter spp., 27% (17/63) were co-infected with methicillin-sensitive Staphylococ cus aureus, 21% (84/404) were co-infected with Klebsiella spp., 16% (47/678) of patients were co-infected with coagulase-negative Staphylococcus, 13% (10/80) co-infected with Escherichia coli (ESBL), and 3% (30/1030) of patients were co-infected with Pseudomonas aeruginosa. The most common co-infections were related to blood flow; although in the urinary and respiratory tracts of patients Streptococcus pneumoniae was found in 57% (12/21) of patients, coagulase negative Staphylococcus in 44% (7/16) of patients, and Escherichia coli was found in 37% (11/29) of patients. The present research demonstrated that co-infections caused by bacteria in patients with COVID-19 are a concern.
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Affiliation(s)
- Adailton P. Santos
- Medicine College, Federal University of Goiás, 235 Street, Goiânia 74690-900, Brazil; (A.P.S.); (L.C.G.); (A.C.C.O.); (P.H.P.Q.); (M.O.S.)
| | - Lucas C. Gonçalves
- Medicine College, Federal University of Goiás, 235 Street, Goiânia 74690-900, Brazil; (A.P.S.); (L.C.G.); (A.C.C.O.); (P.H.P.Q.); (M.O.S.)
| | - Ana C. C. Oliveira
- Medicine College, Federal University of Goiás, 235 Street, Goiânia 74690-900, Brazil; (A.P.S.); (L.C.G.); (A.C.C.O.); (P.H.P.Q.); (M.O.S.)
| | - Pedro H. P. Queiroz
- Medicine College, Federal University of Goiás, 235 Street, Goiânia 74690-900, Brazil; (A.P.S.); (L.C.G.); (A.C.C.O.); (P.H.P.Q.); (M.O.S.)
| | - Célia R. M. Ito
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, 235 Street, Goiânia 74605-050, Brazil;
| | - Mônica O. Santos
- Medicine College, Federal University of Goiás, 235 Street, Goiânia 74690-900, Brazil; (A.P.S.); (L.C.G.); (A.C.C.O.); (P.H.P.Q.); (M.O.S.)
| | - Lilian C. Carneiro
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, 235 Street, Goiânia 74605-050, Brazil;
- Correspondence: ; Tel.: +55-(62)-32096528
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22
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Cifuentes EA, Sierra MA, Yepes AF, Baldión AM, Rojas JA, Álvarez-Moreno CA, Anzola JM, Zambrano MM, Huertas MG. Endotracheal tube microbiome in hospitalized patients defined largely by hospital environment. Respir Res 2022; 23:168. [PMID: 35751068 PMCID: PMC9233342 DOI: 10.1186/s12931-022-02086-7] [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: 11/08/2021] [Accepted: 06/13/2022] [Indexed: 11/16/2022] Open
Abstract
Background Studies of the respiratory tract microbiome primarily focus on airway and lung microbial diversity, but it is still unclear how these microbial communities may be affected by intubation and long periods in intensive care units (ICU), an aspect that today could aid in the understanding of COVID19 progression and disease severity. This study aimed to explore and characterize the endotracheal tube (ETT) microbiome by analyzing ETT-associated microbial communities. Methods This descriptive study was carried out on adult patients subjected to invasive mechanical ventilation from 2 to 21 days. ETT samples were obtained from 115 patients from ICU units in two hospitals. Bacteria isolated from endotracheal tubes belonging to the ESKAPE group were analyzed for biofilm formation using crystal violet quantification. Microbial profiles were obtained using Illumina sequencing of 16S rRNA gene. Results The ETT microbiome was mainly composed by the phyla Proteobacteria, Firmicutes and Bacteroidetes. Microbiome composition correlated with the ICU in which patients were hospitalized, while intubation time and diagnosis of ventilator-associated pneumonia (VAP) did not show any significant association. Conclusion These results suggest that the ICU environment, or medical practices, could be a key to microbial colonization and have a direct influence on the ETT microbiomes of patients that require mechanical ventilation. Supplementary Information The online version contains supplementary material available at 10.1186/s12931-022-02086-7.
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Affiliation(s)
| | - Maria A Sierra
- Corporación CorpoGen Research Center, Bogotá, Colombia.,Tri-Institutional Computational Biology & Medicine Program, Weill Cornell Medicine, New York, NY, USA
| | | | | | | | | | - Juan Manuel Anzola
- Corporación CorpoGen Research Center, Bogotá, Colombia.,Universidad Central, Bogotá, Colombia
| | - María Mercedes Zambrano
- Corporación CorpoGen Research Center, Bogotá, Colombia.,Universidad Central, Bogotá, Colombia
| | - Monica G Huertas
- Corporación CorpoGen Research Center, Bogotá, Colombia. .,Universidad Pedagógica y Tecnológica de Colombia, Tunja, Boyacá, Colombia.
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23
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Ziyaei K, Ataie Z, Mokhtari M, Adrah K, Daneshmehr MA. An insight to the therapeutic potential of algae-derived sulfated polysaccharides and polyunsaturated fatty acids: Focusing on the COVID-19. Int J Biol Macromol 2022; 209:244-257. [PMID: 35306019 PMCID: PMC8924028 DOI: 10.1016/j.ijbiomac.2022.03.063] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/07/2022] [Accepted: 03/11/2022] [Indexed: 01/07/2023]
Abstract
Covid-19 pandemic severely affected human health worldwide. The rapidly increasing COVID-19 cases and successive mutations of the virus have made it a major challenge for scientists to find the best and efficient drug/vaccine/strategy to counteract the virus pathogenesis. As a result of research in scientific databases, regulating the immune system and its responses with nutrients and nutritional interventions is the most critical solution to prevent and combat this infection. Also, modulating other organs such as the intestine with these compounds can lead to the vaccines' effectiveness. Marine resources, mainly algae, are rich sources of nutrients and bioactive compounds with known immunomodulatory properties and the gut microbiome regulations. According to the purpose of the review, algae-derived bioactive compounds with immunomodulatory activities, sulfated polysaccharides, and polyunsaturated fatty acids have a good effect on the immune system. In addition, they have probiotic/prebiotic properties in the intestine and modulate the gut microbiomes; therefore, they can increase the effectiveness of vaccines produced. Thus, they with respectable safety, immune regulation, and modulation of microbiota have potential therapeutic against infections, especially COVID-19. They can also be employed as promising candidates for the prevention and treatment of viral infections, such as COVID-19.
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Affiliation(s)
- Kobra Ziyaei
- Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran
| | - Zahra Ataie
- Evidence-based Phytotherapy & Complementary Medicine Research Center, Alborz University of Medical Sciences, Karaj, Iran,Department of Pharmaceutics, Faculty of Pharmacy, Alborz University of Medical Sciences, Karaj, Iran
| | - Majid Mokhtari
- Department of Medical Bioinformatics, Faculty of Medicine, Baqiyatallah University of Medical Sciences, Tehran, Iran,Laboratory of System Biology and Bioinformatics (LBB), Department of Bioinformatics, Kish International Campus, University of Tehran, Kish Island, Iran
| | - Kelvin Adrah
- Food and Nutritional Sciences Program, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
| | - Mohammad Ali Daneshmehr
- Department of Medicinal Chemistry, School of Pharmacy, Iran University of Medical Sciences, Tehran, Iran.
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24
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Prasad P, Mahapatra S, Mishra R, Murmu KC, Aggarwal S, Sethi M, Mohapatra P, Ghosh A, Yadav R, Dodia H, Ansari SA, De S, Singh D, Suryawanshi A, Dash R, Senapati S, Beuria TK, Chattopadhyay S, Syed GH, Swain R, Raghav SK, Parida A. Long-read 16S-seq reveals nasopharynx microbial dysbiosis and enrichment of Mycobacterium and Mycoplasma in COVID-19 patients: a potential source of co-infection. Mol Omics 2022; 18:490-505. [PMID: 35506682 DOI: 10.1039/d2mo00044j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The coronavirus disease 2019 (COVID-19) pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a major global health concern. This virus infects the upper respiratory tract and causes pneumonia-like symptoms. So far, few studies have shown alterations in nasopharyngeal (NP) microbial diversity, enrichment of opportunistic pathogens and their role in co-infections during respiratory infections. Therefore, we hypothesized that microbial diversity changes, with increase in the population of opportunistic pathogens, during SARS-CoV2 infection in the nasopharynx, which may be involved in co-infection in COVID-19 patients. The 16S rRNA variable regions, V1-V9, of NP samples of control and COVID-19 (symptomatic and asymptomatic) patients were sequenced using the Oxford Nanopore™ technology. Comprehensive bioinformatics analysis for determining alpha/beta diversities, non-metric multidimensional scaling, correlation studies, canonical correspondence analysis, linear discriminate analysis, and dysbiosis index were used to analyze the control and COVID-19-specific NP microbiomes. We observed significant dysbiosis in the COVID-19 NP microbiome with an increase in the abundance of opportunistic pathogens at genus and species levels in asymptomatic/symptomatic patients. The significant abundance of Mycobacteria spp. and Mycoplasma spp. in symptomatic patients suggests their association and role in co-infections in COVID-19 patients. Furthermore, we found strong correlation of enrichment of Mycobacteria and Mycoplasma with the occurrences of chest pain and fever in symptomatic COVID-19 patients. This is the first study from India to show the abundance of Mycobacteria and Mycoplasma opportunistic pathogens in non-hospitalized COVID-19 patients and their relationship with symptoms, indicating the possibility of co-infections.
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Affiliation(s)
- Punit Prasad
- Institute of Life Sciences, Bhubaneswar, Odisha, India.
| | - Soumendu Mahapatra
- Institute of Life Sciences, Bhubaneswar, Odisha, India. .,Kalinga Institute of Industrial Technology (KIIT), School of Biotechnology, Bhubaneswar, Odisha, India
| | | | | | | | - Manisha Sethi
- Institute of Life Sciences, Bhubaneswar, Odisha, India.
| | | | - Arup Ghosh
- Institute of Life Sciences, Bhubaneswar, Odisha, India.
| | - Rina Yadav
- Institute of Life Sciences, Bhubaneswar, Odisha, India.
| | - Hiren Dodia
- Institute of Life Sciences, Bhubaneswar, Odisha, India.
| | | | - Saikat De
- Institute of Life Sciences, Bhubaneswar, Odisha, India.
| | - Deepak Singh
- Institute of Life Sciences, Bhubaneswar, Odisha, India.
| | | | - Rupesh Dash
- Institute of Life Sciences, Bhubaneswar, Odisha, India.
| | | | | | | | | | - Rajeeb Swain
- Institute of Life Sciences, Bhubaneswar, Odisha, India.
| | | | - Ajay Parida
- Institute of Life Sciences, Bhubaneswar, Odisha, India.
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25
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Pérez-Cobas AE, Baquero F, de Pablo R, Soriano MC, Coque TM. Altered Ecology of the Respiratory Tract Microbiome and Nosocomial Pneumonia. Front Microbiol 2022; 12:709421. [PMID: 35222291 PMCID: PMC8866767 DOI: 10.3389/fmicb.2021.709421] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 12/21/2021] [Indexed: 12/23/2022] Open
Abstract
Nosocomial pneumonia is one of the most frequent infections in critical patients. It is primarily associated with mechanical ventilation leading to severe illness, high mortality, and prolonged hospitalization. The risk of mortality has increased over time due to the rise in multidrug-resistant (MDR) bacterial infections, which represent a global public health threat. Respiratory tract microbiome (RTM) research is growing, and recent studies suggest that a healthy RTM positively stimulates the immune system and, like the gut microbiome, can protect against pathogen infection through colonization resistance (CR). Physiological conditions of critical patients and interventions as antibiotics administration and mechanical ventilation dramatically alter the RTM, leading to dysbiosis. The dysbiosis of the RTM of ICU patients favors the colonization by opportunistic and resistant pathogens that can be part of the microbiota or acquired from the hospital environments (biotic or built ones). Despite recent evidence demonstrating the significance of RTM in nosocomial infections, most of the host-RTM interactions remain unknown. In this context, we present our perspective regarding research in RTM altered ecology in the clinical environment, particularly as a risk for acquisition of nosocomial pneumonia. We also reflect on the gaps in the field and suggest future research directions. Moreover, expected microbiome-based interventions together with the tools to study the RTM highlighting the "omics" approaches are discussed.
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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
| | - 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
| | - Raúl de Pablo
- Intensive Care Department, Ramón y Cajal University Hospital, Madrid, Spain
| | - María Cruz Soriano
- Intensive Care Department, Ramón y Cajal University Hospital, 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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26
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Bradley ES, Zeamer AL, Bucci V, Cincotta L, Salive MC, Dutta P, Mutaawe S, Anya O, Tocci C, Moormann A, Ward DV, McCormick BA, Haran JP. Oropharyngeal Microbiome Profiled at Admission is Predictive of the Need for Respiratory Support Among COVID-19 Patients. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2022:2022.02.28.22271627. [PMID: 35262096 PMCID: PMC8902889 DOI: 10.1101/2022.02.28.22271627] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The clinical course of infection due to respiratory viruses such as Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV2), the causative agent of Coronavirus Disease 2019 (COVID-19) is thought to be influenced by the community of organisms that colonizes the upper respiratory tract, the oropharyngeal microbiome. In this study, we examined the oropharyngeal microbiome of suspected COVID-19 patients presenting to the Emergency Department and an inpatient COVID-19 unit with symptoms of acute COVID-19. Of 115 enrolled patients, 74 were confirmed COVID-19+ and 50 had symptom duration of 14 days or less; 38 acute COVID-19+ patients (76%) went on to require respiratory support. Although no microbiome features were found to be significantly different between COVID-19+ and COVID-19-patients, when we conducted random forest classification modeling (RFC) to predict the need of respiratory support for the COVID-19+ patients our analysis identified a subset of organisms and metabolic pathways whose relative abundance, when combined with clinical factors (such as age and Body Mass Index), was highly predictive of the need for respiratory support (F1 score 0.857). Microbiome Multivariable Association with Linear Models (MaAsLin2) analysis was then applied to the features identified as predicative of the need for respiratory support by the RFC. This analysis revealed reduced abundance of Prevotella salivae and metabolic pathways associated with lipopolysaccharide and mycolic acid biosynthesis to be the strongest predictors of patients requiring respiratory support. These findings suggest that composition of the oropharyngeal microbiome in COVID-19 may play a role in determining who will suffer from severe disease manifestations. Importance The microbial community that colonizes the upper airway, the oropharyngeal microbiome, has the potential to affect how patients respond to respiratory viruses such as SARS-CoV2, the causative agent of COVID-19. In this study, we investigated the oropharyngeal microbiome of COVID-19 patients using high throughput DNA sequencing performed on oral swabs. We combined patient characteristics available at intake such as medical comorbidities and age, with measured abundance of bacterial species and metabolic pathways and then trained a machine learning model to determine what features are predicative of patients needing respiratory support in the form of supplemental oxygen or mechanical ventilation. We found that decreased abundance of some bacterial species and increased abundance of pathways associated bacterial products biosynthesis was highly predictive of needing respiratory support. This suggests that the oropharyngeal microbiome affects disease course in COVID-19 and could be targeted for diagnostic purposes to determine who may need oxygen, or therapeutic purposes such as probiotics to prevent severe COVID-19 disease manifestations.
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Affiliation(s)
- Evan S Bradley
- Department of Emergency Medicine, UMass Memorial Medical Center 55 Lake Avenue North, Worcester MA, 01605
- Program in Microbiome Dynamics, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester MA, 01605
| | - Abigail L Zeamer
- Program in Microbiome Dynamics, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester MA, 01605
- Department of Microbiology and Physiologic Systems, 55 Lake Avenue North, Worcester MA, 01605
| | - Vanni Bucci
- Program in Microbiome Dynamics, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester MA, 01605
- Department of Microbiology and Physiologic Systems, 55 Lake Avenue North, Worcester MA, 01605
| | - Lindsey Cincotta
- Department of Emergency Medicine, UMass Memorial Medical Center 55 Lake Avenue North, Worcester MA, 01605
| | - Marie-Claire Salive
- Department of Emergency Medicine, UMass Memorial Medical Center 55 Lake Avenue North, Worcester MA, 01605
| | - Protiva Dutta
- Department of Emergency Medicine, UMass Memorial Medical Center 55 Lake Avenue North, Worcester MA, 01605
| | - Shafik Mutaawe
- Department of Emergency Medicine, UMass Memorial Medical Center 55 Lake Avenue North, Worcester MA, 01605
| | - Otuwe Anya
- Department of Emergency Medicine, UMass Memorial Medical Center 55 Lake Avenue North, Worcester MA, 01605
| | - Christopher Tocci
- Biology and Biotechnology, Worcester Polytechnique Institute, 100 Institute Road, Worcester, MA 01609
| | - Ann Moormann
- Department of Medicine, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655
| | - Doyle V Ward
- Program in Microbiome Dynamics, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester MA, 01605
- Department of Microbiology and Physiologic Systems, 55 Lake Avenue North, Worcester MA, 01605
| | - Beth A McCormick
- Program in Microbiome Dynamics, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester MA, 01605
- Department of Microbiology and Physiologic Systems, 55 Lake Avenue North, Worcester MA, 01605
| | - John P Haran
- Department of Emergency Medicine, UMass Memorial Medical Center 55 Lake Avenue North, Worcester MA, 01605
- Program in Microbiome Dynamics, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester MA, 01605
- Department of Microbiology and Physiologic Systems, 55 Lake Avenue North, Worcester MA, 01605
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27
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Gastrointestinal Microbiota Dysbiosis Associated with SARS-CoV-2 Infection in Colorectal Cancer: The Implication of Probiotics. GASTROENTEROLOGY INSIGHTS 2022. [DOI: 10.3390/gastroent13010006] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The complexity of coronavirus disease 2019 (COVID-19)’s pathophysiology is such that microbial dysbiosis in the lung and gastrointestinal (GI) microbiota may be involved in its pathogenic process. GI microbiota dysbiosis has been associated with respiratory disorders, including COVID-19, as well as sporadic colorectal cancer (CRC) through imbalanced microbiota and compromised immune response. It is pertinent to understand the possible role of probiotics in stabilizing the microbial environment and maintaining the integrity of the respiratory and GI tracts in SARS-CoV-2 induced dysbiosis and colorectal carcinogenesis. The long-term implication of SARS-CoV-2 in GI dysbiosis via microbiota-gut-lung cross-talk could increase the risk of new CRC diagnosis or worsen the condition of previously diagnosed individuals. Recent knowledge shows that the immune-modulatory response to probiotics is shifting the beneficial use of probiotics towards the treatment of various diseases. In this review, we highlight the potential impact of probiotics on SARS-CoV-2 infection associated with CRC through microbiota imbalance in COVID-19 patients.
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28
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Alamri A, AlKhater SA. Evaluating the knowledge on microbiome and dysbiosis in allergic diseases among medical sciences students in Saudi Arabia. Clin Mol Allergy 2022; 20:2. [PMID: 35094706 PMCID: PMC8802525 DOI: 10.1186/s12948-022-00168-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 01/06/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Microbiome science deals with the development of diseases that are derived from the interaction between the host immune system and microbes. Microbiome disturbance or dysbiosis has been increasingly recognized as an important contributor to the pathogenesis of allergic diseases. Thus, this field is pivotal in the management of allergic disorders. Despite the increasing prevalence of allergic disorders in Saudi Arabia, medical students lack knowledge of microbiome science. Therefore, this study aimed to assess the level of knowledge of medical sciences students on the human microbiome, dysbiosis, and management of the impaired microbiome with a focus on allergic diseases and asthma. METHODS An online survey was designed, validated, and distributed to 100 final-year students and interns majoring in clinical nutrition, public health, and clinical laboratory sciences at a single university in Saudi Arabia. The study period was from November 2020 to January 2021. RESULTS The overall knowledge of the human microbiome was adequate among the participants, but their understanding of dysbiosis and management of the impaired microbiome was low to moderate. Knowledge of dysbiosis management was significantly higher in students majoring in clinical nutrition than in those majoring in public health and clinical laboratory sciences. CONCLUSIONS Collectively, this study provides the first evidence that knowledge of specific domains of microbiome science among a cohort of medical sciences students in Saudi Arabia is insufficient. Large-scale studies are warranted to confirm these observations at a national level, and specific curriculum modifications are necessary to improve the knowledge of future healthcare professionals about clinical applications of microbiome science.
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Affiliation(s)
- Aisha Alamri
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Suzan A AlKhater
- College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia. .,Department of Pediatrics, King Fahad Hospital of the University, Al-Khobar, Saudi Arabia.
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29
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Nasopharyngeal Microbiota as an early severity biomarker in COVID-19 hospitalised patients: a retrospective cohort study in a Mediterranean area. J Infect 2021; 84:329-336. [PMID: 34963638 PMCID: PMC8709923 DOI: 10.1016/j.jinf.2021.12.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/08/2021] [Accepted: 12/21/2021] [Indexed: 12/11/2022]
Abstract
This study aimed to analyse the diversity and taxonomic composition of the nasopharyngeal microbiota, to determine its association with COVID-19 clinical outcome. To study the microbiota, we utilized 16S rRNA sequencing of 177 samples that came from a retrospective cohort of COVID-19 hospitalized patients. Raw sequences were processed by QIIME2. The associations between microbiota, invasive mechanical ventilation (IMV), and all-cause mortality were analysed by multiple logistic regression, adjusted for age, gender, and comorbidity. The microbiota α diversity indexes were lower in patients with a fatal outcome, whereas the β diversity analysis showed a significant clustering in these patients. After multivariate adjustment, the presence of Selenomonas spp., Filifactor spp., Actinobacillus spp., or Chroococcidiopsis spp., was associated with a reduction of more than 90% of IMV. Higher diversity and the presence of certain genera in the nasopharyngeal microbiota seem to be early biomarkers of a favourable clinical evolution in hospitalized COVID-19 patients.
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Tosta E. The seven constitutive respiratory defense barriers against SARS-CoV-2 infection. Rev Soc Bras Med Trop 2021; 54:e04612021. [PMID: 34932765 PMCID: PMC8687496 DOI: 10.1590/0037-8682-0461-2021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 09/17/2021] [Indexed: 12/18/2022] Open
Abstract
Before eliciting an adaptive immune response, SARS-CoV-2 must overcome seven constitutive respiratory defense barriers. The first is the mucus covering the respiratory tract's luminal surface, which entraps inhaled particles, including infectious agents, and eliminates them by mucociliary clearance. The second barrier comprises various components present in the airway lining fluid, the surfactants. Besides providing low surface tension that allows efficient gas exchange at the alveoli, surfactants inhibit the invasion of epithelial cells by respiratory viruses, enhance pathogen uptake by phagocytes, and regulate immune cells' functions. The respiratory tract microbiota constitutes the third defense barrier against SARS-CoV-2. It activates the innate and adaptive immune cells and elicits anti-infectious molecules such as secretory IgA antibodies, defensins, and interferons. The fourth defense barrier comprises the antimicrobial peptides defensins, and lactoferrin. They show direct antiviral activity, inhibit viral fusion, and modulate the innate and adaptive immune responses. Secretory IgA antibodies, the fifth defense barrier, besides protecting the local microbiota against noxious agents, also inhibit SARS-CoV-2 cell invasion. If the virus overcomes this barrier, it reaches its target, the respiratory epithelial cells. However, these cells also act as a defense barrier, the sixth one, since they hinder the virus' access to receptors and produce antiviral and immunomodulatory molecules such as interferons, lactoferrin, and defensins. Finally, the sensing of the virus by the cells of innate immunity, the last constitutive defense barrier, elicits a cascade of signals that activate adaptive immune cells and may inhibit the development of productive infection. The subject of the present essay is discussing these mechanisms.
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Affiliation(s)
- Eduardo Tosta
- Professor Emeritus, Faculdade de Medicina, Universidade de Brasília, Brasília, DF , Brasil
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Danilenko V, Devyatkin A, Marsova M, Shibilova M, Ilyasov R, Shmyrev V. Common Inflammatory Mechanisms in COVID-19 and Parkinson's Diseases: The Role of Microbiome, Pharmabiotics and Postbiotics in Their Prevention. J Inflamm Res 2021; 14:6349-6381. [PMID: 34876830 PMCID: PMC8643201 DOI: 10.2147/jir.s333887] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 10/29/2021] [Indexed: 12/14/2022] Open
Abstract
In the last decade, metagenomic studies have shown the key role of the gut microbiome in maintaining immune and neuroendocrine systems. Malfunction of the gut microbiome can induce inflammatory processes, oxidative stress, and cytokine storm. Dysfunction of the gut microbiome can be caused by short-term (virus infection and other infectious diseases) or long-term (environment, nutrition, and stress) factors. Here, we reviewed the inflammation and oxidative stress in neurodegenerative diseases and coronavirus infection (COVID-19). Here, we reviewed the renin-angiotensin-aldosterone system (RAAS) involved in the processes of formation of oxidative stress and inflammation in viral and neurodegenerative diseases. Moreover, the coronavirus uses ACE2 receptors of the RAAS to penetrate human cells. The coronavirus infection can be the trigger for neurodegenerative diseases by dysfunction of the RAAS. Pharmabiotics, postbiotics, and next-generation probiotics, are considered as a means to prevent oxidative stress, inflammatory processes, neurodegenerative and viral diseases through gut microbiome regulation.
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Affiliation(s)
- Valery Danilenko
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, Russia
| | - Andrey Devyatkin
- Central Clinical Hospital with a Polyclinic CMP RF, Moscow, Russia
| | - Mariya Marsova
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, Russia
| | | | - Rustem Ilyasov
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, Russia
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Venegas-Borsellino C, Sankararaman S, Roche K, Burns JB, Landis RM. Impact of COVID-19 on the Intestinal Microbiome. Curr Nutr Rep 2021; 10:300-306. [PMID: 34813042 PMCID: PMC8609508 DOI: 10.1007/s13668-021-00375-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/08/2021] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW This review article aims to explore the GI changes induced by SARS-CoV-2 and how gut microbial homeostasis can influence these changes and affect the lung-gut axis and its relationship with the induction of the cytokine release syndrome in severe COVID-19 patients. RECENT FINDINGS Coronavirus disease 2019 (COVID-19) affects not only the respiratory system but can produce multi-systemic damage. The expression of angiotensin-converting enzyme 2 (ACE-2) receptors in the gastrointestinal (GI) tract, the high prevalence of GI symptoms in severely ill COVID-19 patients, and the abnormalities described in the gut microbiome in these patients have raised concerns about the influence of GI tract as a risk factor or as a potential modulator to reduce the severity of COVID-19. Understanding the mechanisms by which gut dysbiosis may influence viral transmission and disease progression in COVID-19 may help in shaping how accessible therapies, like diet modulation, can potentially help beat the devastating consequences of COVID-19.
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Affiliation(s)
- Carla Venegas-Borsellino
- Department of Critical Care Medicine, Mayo Clinic, 4500 San Pablo Road Jacksonville, Jacksonville, FL, 32224, USA.
| | - Senthilkumar Sankararaman
- Department of Pediatrics (Pediatric Gastroenterology, UH Rainbow Babies & Children's Hospital, Hepatology & Nutrition), Cleveland, OH, USA
| | - Keelin Roche
- Department of Surgery (Trauma Surgery, Critical Care & Acute Care Surgery), East Tennessee State University, Johnson City, TN, USA
| | - JBracken Burns
- Department of Surgery (Trauma Surgery, Critical Care & Acute Care Surgery), East Tennessee State University, Johnson City, TN, USA
| | - Ryan Michael Landis
- Department of Surgery (Trauma Surgery, Critical Care & Acute Care Surgery), East Tennessee State University, Johnson City, TN, USA
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Baradaran Ghavami S, Pourhamzeh M, Farmani M, Keshavarz H, Shahrokh S, Shpichka A, Asadzadeh Aghdaei H, Hakemi-Vala M, Hossein-khannazer N, Timashev P, Vosough M. Cross-talk between immune system and microbiota in COVID-19. Expert Rev Gastroenterol Hepatol 2021; 15:1281-1294. [PMID: 34654347 PMCID: PMC8567289 DOI: 10.1080/17474124.2021.1991311] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 10/06/2021] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Human gut microbiota plays a crucial role in providing protective responses against pathogens, particularly by regulating immune system homeostasis. There is a reciprocal interaction between the gut and lung microbiota, called the gut-lung axis (GLA). Any alteration in the gut microbiota or their metabolites can cause immune dysregulation, which can impair the antiviral activity of the immune system against respiratory viruses such as severe acute respiratory syndrome coronavirus (SARS-CoV) and SARS-CoV-2. AREAS COVERED This narrative review mainly outlines emerging data on the mechanisms underlying the interactions between the immune system and intestinal microbial dysbiosis, which is caused by an imbalance in the levels of essential metabolites. The authors will also discuss the role of probiotics in restoring the balance of the gut microbiota and modulation of cytokine storm. EXPERT OPINION Microbiota-derived signals regulate the immune system and protect different tissues during severe viral respiratory infections. The GLA's equilibration could help manage the mortality and morbidity rates associated with SARS-CoV-2 infection.
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Affiliation(s)
- Shaghayegh Baradaran Ghavami
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Thran, Iran
| | - Mahsa Pourhamzeh
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
- Division of Neuroscience, Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Farmani
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Thran, Iran
| | - Hediye Keshavarz
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Thran, Iran
| | - Shabnam Shahrokh
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Thran, Iran
| | - Anastasia Shpichka
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow, Russia
- Chemistry Department, Lomonosov Moscow State University, Moscow, Russia
| | - Hamid Asadzadeh Aghdaei
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Thran, Iran
| | - Mojdeh Hakemi-Vala
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nikoo Hossein-khannazer
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Thran, Iran
| | - Peter Timashev
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow, Russia
- Chemistry Department, Lomonosov Moscow State University, Moscow, Russia
| | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
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Lloréns-Rico V, Gregory AC, Van Weyenbergh J, Jansen S, Van Buyten T, Qian J, Braz M, Menezes SM, Van Mol P, Vanderbeke L, Dooms C, Gunst J, Hermans G, Meersseman P, Wauters E, Neyts J, Lambrechts D, Wauters J, Raes J. Clinical practices underlie COVID-19 patient respiratory microbiome composition and its interactions with the host. Nat Commun 2021; 12:6243. [PMID: 34716338 PMCID: PMC8556379 DOI: 10.1038/s41467-021-26500-8] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 10/06/2021] [Indexed: 12/11/2022] Open
Abstract
Understanding the pathology of COVID-19 is a global research priority. Early evidence suggests that the respiratory microbiome may be playing a role in disease progression, yet current studies report contradictory results. Here, we examine potential confounders in COVID-19 respiratory microbiome studies by analyzing the upper (n = 58) and lower (n = 35) respiratory tract microbiome in well-phenotyped COVID-19 patients and controls combining microbiome sequencing, viral load determination, and immunoprofiling. We find that time in the intensive care unit and type of oxygen support, as well as associated treatments such as antibiotic usage, explain the most variation within the upper respiratory tract microbiome, while SARS-CoV-2 viral load has a reduced impact. Specifically, mechanical ventilation is linked to altered community structure and significant shifts in oral taxa previously associated with COVID-19. Single-cell transcriptomics of the lower respiratory tract of COVID-19 patients identifies specific oral bacteria in physical association with proinflammatory immune cells, which show higher levels of inflammatory markers. Overall, our findings suggest confounders are driving contradictory results in current COVID-19 microbiome studies and careful attention needs to be paid to ICU stay and type of oxygen support, as bacteria favored in these conditions may contribute to the inflammatory phenotypes observed in severe COVID-19 patients.
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Affiliation(s)
- Verónica Lloréns-Rico
- Laboratory of Molecular Bacteriology, Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium
- Center for Microbiology, VIB, Leuven, Belgium
| | - Ann C Gregory
- Laboratory of Molecular Bacteriology, Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium
- Center for Microbiology, VIB, Leuven, Belgium
| | - Johan Van Weyenbergh
- Laboratory for Clinical and Evolutionary Virology, Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium
| | - Sander Jansen
- Laboratory of Virology and Chemotherapy, Department of Microbiology, Immunology and Transplantation, Rega Institute, KU Leuven, Leuven, Belgium
| | - Tina Van Buyten
- Laboratory of Virology and Chemotherapy, Department of Microbiology, Immunology and Transplantation, Rega Institute, KU Leuven, Leuven, Belgium
| | - Junbin Qian
- Zhejiang Provincial Key Laboratory of Precision Diagnosis and Therapy for Major Gynecological Diseases, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Genetics, Zhejiang University School of Medicine, Hangzhou, China
| | - Marcos Braz
- Laboratory for Clinical and Evolutionary Virology, Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium
| | - Soraya Maria Menezes
- Laboratory for Clinical and Evolutionary Virology, Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium
| | - Pierre Van Mol
- Laboratory of Translational Genetics, Department of Human Genetics, KU Leuven, Leuven, Belgium
- VIB Center for Cancer Biology, VIB, Leuven, Belgium
- Department of Pneumology, University Hospitals Leuven, Leuven, Belgium
| | - Lore Vanderbeke
- Laboratory of Clinical Bacteriology and Mycology, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Christophe Dooms
- Department of Pneumology, University Hospitals Leuven, Leuven, Belgium
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Jan Gunst
- Laboratory of Intensive Care Medicine, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Greet Hermans
- Laboratory of Intensive Care Medicine, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Philippe Meersseman
- Laboratory for Clinical Infectious and Inflammatory Disorders, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Els Wauters
- Department of Pneumology, University Hospitals Leuven, Leuven, Belgium
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Johan Neyts
- Laboratory of Virology and Chemotherapy, Department of Microbiology, Immunology and Transplantation, Rega Institute, KU Leuven, Leuven, Belgium
| | - Diether Lambrechts
- Laboratory of Translational Genetics, Department of Human Genetics, KU Leuven, Leuven, Belgium
- VIB Center for Cancer Biology, VIB, Leuven, Belgium
| | - Joost Wauters
- Laboratory for Clinical Infectious and Inflammatory Disorders, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Jeroen Raes
- Laboratory of Molecular Bacteriology, Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium.
- Center for Microbiology, VIB, Leuven, Belgium.
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Hernández-Terán A, Mejía-Nepomuceno F, Herrera MT, Barreto O, García E, Castillejos M, Boukadida C, Matias-Florentino M, Rincón-Rubio A, Avila-Rios S, Mújica-Sánchez M, Serna-Muñoz R, Becerril-Vargas E, Guadarrama-Pérez C, Ahumada-Topete VH, Rodríguez-Llamazares S, Martínez-Orozco JA, Salas-Hernández J, Pérez-Padilla R, Vázquez-Pérez JA. Dysbiosis and structural disruption of the respiratory microbiota in COVID-19 patients with severe and fatal outcomes. Sci Rep 2021; 11:21297. [PMID: 34716394 PMCID: PMC8556282 DOI: 10.1038/s41598-021-00851-0] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 10/18/2021] [Indexed: 02/07/2023] Open
Abstract
The COVID-19 outbreak has caused over three million deaths worldwide. Understanding the pathology of the disease and the factors that drive severe and fatal clinical outcomes is of special relevance. Studying the role of the respiratory microbiota in COVID-19 is especially important as the respiratory microbiota is known to interact with the host immune system, contributing to clinical outcomes in chronic and acute respiratory diseases. Here, we characterized the microbiota in the respiratory tract of patients with mild, severe, or fatal COVID-19, and compared it to healthy controls and patients with non-COVID-19-pneumonia. We comparatively studied the microbial composition, diversity, and microbiota structure between the study groups and correlated the results with clinical data. We found differences in the microbial composition for COVID-19 patients, healthy controls, and non-COVID-19 pneumonia controls. In particular, we detected a high number of potentially opportunistic pathogens associated with severe and fatal levels of the disease. Also, we found higher levels of dysbiosis in the respiratory microbiota of patients with COVID-19 compared to the healthy controls. In addition, we detected differences in diversity structure between the microbiota of patients with mild, severe, and fatal COVID-19, as well as the presence of specific bacteria that correlated with clinical variables associated with increased risk of mortality. In summary, our results demonstrate that increased dysbiosis of the respiratory tract microbiota in patients with COVID-19 along with a continuous loss of microbial complexity structure found in mild to fatal COVID-19 cases may potentially alter clinical outcomes in patients. Taken together, our findings identify the respiratory microbiota as a factor potentially associated with the severity of COVID-19.
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Affiliation(s)
- Alejandra Hernández-Terán
- Departamento de Investigación en Tabaquismo y EPOC, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Fidencio Mejía-Nepomuceno
- Departamento de Investigación en Tabaquismo y EPOC, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - María Teresa Herrera
- Departamento de Investigación en Microbiología, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Omar Barreto
- Coordinación de Atención Médica, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Emma García
- Coordinación de Atención Médica, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Manuel Castillejos
- Departamento de Unidad de Epidemiología Hospitalaria e Infectología, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Celia Boukadida
- Centro de Investigación en Enfermedades Infecciosas, CIENI, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Margarita Matias-Florentino
- Centro de Investigación en Enfermedades Infecciosas, CIENI, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Alma Rincón-Rubio
- Centro de Investigación en Enfermedades Infecciosas, CIENI, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Santiago Avila-Rios
- Centro de Investigación en Enfermedades Infecciosas, CIENI, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Mario Mújica-Sánchez
- Laboratorio de Microbiología, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Ricardo Serna-Muñoz
- Departamento de Investigación en Tabaquismo y EPOC, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Eduardo Becerril-Vargas
- Laboratorio de Microbiología, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Cristobal Guadarrama-Pérez
- Servicio de Urgencias Médicas, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Víctor Hugo Ahumada-Topete
- Departamento de Unidad de Epidemiología Hospitalaria e Infectología, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Sebastián Rodríguez-Llamazares
- Departamento de Investigación en Tabaquismo y EPOC, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - José Arturo Martínez-Orozco
- Laboratorio de Microbiología, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Jorge Salas-Hernández
- Dirección General INER, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Rogelio Pérez-Padilla
- Departamento de Investigación en Tabaquismo y EPOC, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico
| | - Joel Armando Vázquez-Pérez
- Departamento de Investigación en Tabaquismo y EPOC, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, INER, Mexico, Mexico.
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Liu TFD, Philippou E, Kolokotroni O, Siakallis G, Rahima K, Constantinou C. Gut and airway microbiota and their role in COVID-19 infection and pathogenesis: a scoping review. Infection 2021; 50:815-847. [PMID: 34671922 PMCID: PMC8528184 DOI: 10.1007/s15010-021-01715-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 10/09/2021] [Indexed: 12/24/2022]
Abstract
Background The SARS-CoV-2 virus is responsible for the COVID-19 pandemic. Researchers have been studying the pathogenesis of the virus with the aim to improve our current diagnosis and management strategies. The microbiota have been proposed to play a key role in the pathogenesis of the disease. Purpose To investigate and report on the current available evidence on any associations between the gut and/or airway microbiota and the pathogenesis of COVID-19. Methods Using a predefined protocol in compliance with the PRISMA guidelines, a search was conducted on MEDLINE, Science Direct, DOAJ and Cochrane databases on primary research studies assessing the association between COVID-19 infection and the gut and/or airway microbiota. Results Twenty-two studies were included in the current review; nineteen studies concluded an association between the gut and/or airway dysbiosis and SARS-CoV-2, while 3 studies failed to observe a significant association between the airway microbiome and SARS-CoV-2 infection. Specifically, most studies reported a decrease in microbial diversity and therefore development of intestinal dysbiosis in COVID-19-positive patients compared to healthy controls as well as a possible association between increased intestinal dysbiosis and disease severity. Conclusion During infection with SARS-CoV-2, there are significant changes in the composition of the gut and airway microbiota. Furthermore, the gut microbiota may have a more important role than the airway microbiota in COVID-19 infection. In the future, studies should be more carefully designed to derive more conclusive evidence on the role of the gut and airway microbiota following infection with SARS-CoV-2 which will lead to the formulation of better management strategies in combating COVID-19. Supplementary Information The online version contains supplementary material available at 10.1007/s15010-021-01715-5.
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Affiliation(s)
- Tik Fung Dave Liu
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, 21 Ilia Papakyriakou, 2414 Engomi, P.O. Box 24005, 1700, Nicosia, Cyprus
| | - Elena Philippou
- Department of Life and Health Sciences, School of Sciences and Engineering, University of Nicosia, Nicosia, Cyprus
- Department of Nutrition and Dietetics, King's College London, London, UK
| | - Ourania Kolokotroni
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, 21 Ilia Papakyriakou, 2414 Engomi, P.O. Box 24005, 1700, Nicosia, Cyprus
| | - Georgios Siakallis
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, 21 Ilia Papakyriakou, 2414 Engomi, P.O. Box 24005, 1700, Nicosia, Cyprus
| | - Kenan Rahima
- Queen Elizabeth The Queen Mother Hospital, Margate, UK
| | - Constantina Constantinou
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, 21 Ilia Papakyriakou, 2414 Engomi, P.O. Box 24005, 1700, Nicosia, Cyprus.
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Khan AA, Singh H, Bilal M, Ashraf MT. Microbiota, probiotics and respiratory infections: the three musketeers can tip off potential management of COVID-19. Am J Transl Res 2021; 13:10977-10993. [PMID: 34786037 PMCID: PMC8581851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 08/15/2021] [Indexed: 06/13/2023]
Abstract
Rapid infectivity of SARS-CoV2 with recent viral variants is posing a challenge in the development of robust therapeutic strategies. On the other hand, microbiota is debated for its involvement in SARS-CoV2 infection with varied opinions. Although ample data about the role of microbiota and probiotics in respiratory viral infections are available, their role in COVID-19 is limited albeit emerging rapidly. The utilization of probiotics for the management of COVID-19 is still under investigation in many clinical trials. Existing information coupled with recent COVID-19 related studies can suggest various ways to use microbiota modulation and probiotics for managing this pandemic. Present article indicates the role of microbiota modulation and probiotics in respiratory infections. In addition, scattered evidence was gathered to understand the potential of microbiota and probiotics in the management of SARS-CoV2. Gut-airway microbiota connection is already apparent in respiratory tract viral infections, including SARS-CoV2. Though few clinical trials are evaluating microbiota and probiotics for COVID-19 management, the safety evaluation must be given more serious consideration because of the possibility of opportunistic infections among COVID-19 patients. Nevertheless, the information about microbiota modulation using probiotics and prebiotics can be helpful to manage this outbreak and this review presents different aspects of this idea.
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Affiliation(s)
- Abdul Arif Khan
- Division of Microbiology, Indian Council of Medical Research-National AIDS Research InstitutePune, Maharashtra 411026, India
| | - HariOm Singh
- Division of Molecular Biology, Indian Council of Medical Research-National AIDS Research InstitutePune, Maharashtra 411026, India
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of TechnologyHuaian 223003, China
| | - Mohd Tashfeen Ashraf
- School of Biotechnology, Gautam Buddha UniversityGautam Budh Nagar, Greater Noida (UP), India
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The Lung Microbiome during Health and Disease. Int J Mol Sci 2021; 22:ijms221910872. [PMID: 34639212 PMCID: PMC8509400 DOI: 10.3390/ijms221910872] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/24/2021] [Accepted: 09/28/2021] [Indexed: 12/24/2022] Open
Abstract
Healthy human lungs have traditionally been considered to be a sterile organ. However, culture-independent molecular techniques have reported that large numbers of microbes coexist in the lung and airways. The lungs harbor diverse microbial composition that are undetected by previous approaches. Many studies have found significant differences in microbial composition between during health and respiratory disease. The lung microbiome is likely to not only influence susceptibility or causes of diseases but be affected by disease activities or responses to treatment. Although lung microbiome research has some limitations from study design to reporting, it can add further dimensionality to host-microbe interactions. Moreover, there is a possibility that extending understanding to the lung microbiome with new multiple omics approaches would be useful for developing both diagnostic and prognostic biomarkers for respiratory diseases in clinical settings.
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Microbiota and Its Impact on the Immune System in COVID-19-A Narrative Review. J Clin Med 2021; 10:jcm10194537. [PMID: 34640553 PMCID: PMC8509181 DOI: 10.3390/jcm10194537] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/24/2021] [Accepted: 09/28/2021] [Indexed: 01/08/2023] Open
Abstract
The microbiota is of interest for the development of a therapeutic strategy against SARS-CoV-2 coronavirus disease 2019 (COVID-19) due to its impact on the host immune system. Proven communications of the gut microbiota with the pulmonary microbiota (gut-lung axis) and the pathway of neural connections between the gut and brain (gut-brain axis) may be important in the face of the pandemic. SARS-CoV-2 was shown to affect almost all organs because of the presence of a host receptor known as angiotensin converting enzyme 2 (ACE2). The ACE2 receptor is mainly present in the brush border of intestinal enterocytes, ciliary cells, and type II alveolar epithelial cells in the lungs. The transport function of ACE2 has been linked to the ecology of gut microbes in the digestive tract, suggesting that COVID-19 may be related to the gut microbiota. The severity of COVID-19 may be associated with a number of comorbidities, such as hypertension, diabetes, obesity, and/or old age; therefore, attention is also paid to multiple morbidities and the modulation of microbiota through comorbidities and medications. This paper reviews the research in the context of the state of the intestinal microbiota and its impact on the cells of the immune system during the SARS-CoV-2 pandemic.
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Mozota M, Castro I, Gómez-Torres N, Arroyo R, Lailla Y, Somada M, Alba C, Rodríguez JM. Administration of Ligilactobacillus salivarius MP101 in an Elderly Nursing Home during the COVID-19 Pandemic: Immunological and Nutritional Impact. Foods 2021; 10:2149. [PMID: 34574259 PMCID: PMC8470390 DOI: 10.3390/foods10092149] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 09/05/2021] [Accepted: 09/09/2021] [Indexed: 12/26/2022] Open
Abstract
The elderly population living in nursing homes is particularly vulnerable to COVID-19 although individual susceptibility to SARS-CoV-2 infection may be related to the host microbiota. The objective of this work was to investigate the effect of Ligilactobacillus salivarius MP101 on the functional (Barthel index), cognitive (GDS/FAST), and nutritional (MNA) status as well as on the nasal and fecal inflammatory profiles of elderly residents living in a nursing home that is highly affected by COVID-19. A total of 25 residents participated in the trial, which involved the daily ingestion of a dairy product (L. salivarius MP101: 9.3 log10 CFU per unit) for 4 months. Nasal and fecal samples were analyzed for 37 immune factors at recruitment and at the end of the study. After the trial, no change in the GDS/FAST scores were found but, in contrast, the values for the Barthel index and the MNA score improved significantly. The concentrations of some immune factors changed significantly after the trial, including a decrease in the concentrations of BAFF/TNFSF13B, APRIL/TNFSF13, IL8, IL31, osteopontin, sTNF-R1, and sTNF-R2, and an increase in chitinase 3-like 1, IL19, IL35, and pentraxin 3 was also observed. In conclusion, L. salivarius MP101 seems to be a promising strain for improving or maintaining health in this highly vulnerable population.
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Affiliation(s)
- Marta Mozota
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (M.M.); (I.C.); (N.G.-T.); (R.A.); (C.A.)
| | - Irma Castro
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (M.M.); (I.C.); (N.G.-T.); (R.A.); (C.A.)
| | - Natalia Gómez-Torres
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (M.M.); (I.C.); (N.G.-T.); (R.A.); (C.A.)
| | - Rebeca Arroyo
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (M.M.); (I.C.); (N.G.-T.); (R.A.); (C.A.)
| | - Yolanda Lailla
- Villa Villera, 22142 Sieso de Huesca, Spain; (Y.L.); (M.S.)
| | - Mario Somada
- Villa Villera, 22142 Sieso de Huesca, Spain; (Y.L.); (M.S.)
| | - Claudio Alba
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (M.M.); (I.C.); (N.G.-T.); (R.A.); (C.A.)
| | - Juan Miguel Rodríguez
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (M.M.); (I.C.); (N.G.-T.); (R.A.); (C.A.)
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Seibert B, Cáceres CJ, Cardenas-Garcia S, Carnaccini S, Geiger G, Rajao DS, Ottesen E, Perez DR. Mild and Severe SARS-CoV-2 Infection Induces Respiratory and Intestinal Microbiome Changes in the K18-hACE2 Transgenic Mouse Model. Microbiol Spectr 2021; 9:e0053621. [PMID: 34378965 PMCID: PMC8455067 DOI: 10.1128/spectrum.00536-21] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 07/15/2021] [Indexed: 01/27/2023] Open
Abstract
Transmission of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has resulted in millions of deaths and declining economies around the world. K18-hACE2 mice develop disease resembling severe SARS-CoV-2 infection in a virus dose-dependent manner. The relationship between SARS-CoV-2 and the intestinal or respiratory microbiome is not fully understood. In this context, we characterized the cecal and lung microbiomes of SARS-CoV-2-challenged K18-hACE2 transgenic mice in the presence or absence of treatment with the Mpro inhibitor GC-376. Cecum microbiome showed decreased Shannon and inverse (Inv) Simpson diversity indexes correlating with SARS-CoV-2 infection dosage and a difference of Bray-Curtis dissimilarity distances among control and infected mice. Bacterial phyla such as Firmicutes, particularly, Lachnospiraceae and Oscillospiraceae, were significantly less abundant, while Verrucomicrobia, particularly, the family Akkermansiaceae, were increasingly more prevalent during peak infection in mice challenged with a high virus dose. In contrast to the cecal microbiome, the lung microbiome showed similar microbial diversity among the control, low-, and high-dose challenge virus groups, independent of antiviral treatment. Bacterial phyla in the lungs such as Bacteroidetes decreased, while Firmicutes and Proteobacteria were significantly enriched in mice challenged with a high dose of SARS-CoV-2. In summary, we identified changes in the cecal and lung microbiomes of K18-hACE2 mice with severe clinical signs of SARS-CoV-2 infection. IMPORTANCE The COVID-19 pandemic has resulted in millions of deaths. The host's respiratory and intestinal microbiome can affect directly or indirectly the immune system during viral infections. We characterized the cecal and lung microbiomes in a relevant mouse model challenged with a low or high dose of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in the presence or absence of an antiviral Mpro inhibitor, GC-376. Decreased microbial diversity and taxonomic abundances of the phyla Firmicutes, particularly, Lachnospiraceae, correlating with infection dosage were observed in the cecum. In addition, microbes within the family Akkermansiaceae were increasingly more prevalent during peak infection, which is observed in other viral infections. The lung microbiome showed similar microbial diversity to that of the control, independent of antiviral treatment. Decreased Bacteroidetes and increased Firmicutes and Proteobacteria were observed in the lungs in a virus dose-dependent manner. These studies add to a better understanding of the complexities associated with the intestinal microbiome during respiratory infections.
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Affiliation(s)
- Brittany Seibert
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
| | - C. Joaquín Cáceres
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
| | - Stivalis Cardenas-Garcia
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
| | - Silvia Carnaccini
- Tifton Diagnostic Laboratory, College of Veterinary Medicine, University of Georgia, Tifton, Georgia, USA
| | - Ginger Geiger
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
| | - Daniela S. Rajao
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
| | - Elizabeth Ottesen
- Department of Microbiology, University of Georgia, Athens, Georgia, USA
| | - Daniel R. Perez
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
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Rhoades NS, Pinski AN, Monsibais AN, Jankeel A, Doratt BM, Cinco IR, Ibraim I, Messaoudi I. Acute SARS-CoV-2 infection is associated with an increased abundance of bacterial pathogens, including Pseudomonas aeruginosa in the nose. Cell Rep 2021; 36:109637. [PMID: 34433082 PMCID: PMC8361213 DOI: 10.1016/j.celrep.2021.109637] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/12/2021] [Accepted: 08/06/2021] [Indexed: 01/08/2023] Open
Abstract
Research conducted on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pathogenesis and coronavirus disease 2019 (COVID-19) generally focuses on the systemic host response, especially that generated by severely ill patients, with few studies investigating the impact of acute SARS-CoV-2 at the site of infection. We show that the nasal microbiome of SARS-CoV-2-positive patients (CoV+, n = 68) at the time of diagnosis is unique when compared to CoV− healthcare workers (n = 45) and CoV− outpatients (n = 21). This shift is marked by an increased abundance of bacterial pathogens, including Pseudomonas aeruginosa, which is also positively associated with viral RNA load. Additionally, we observe a robust host transcriptional response in the nasal epithelia of CoV+ patients, indicative of an antiviral innate immune response and neuronal damage. These data suggest that the inflammatory response caused by SARS-CoV-2 infection is associated with an increased abundance of bacterial pathogens in the nasal cavity that could contribute to increased incidence of secondary bacterial infections.
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Affiliation(s)
- Nicholas S Rhoades
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, USA
| | - Amanda N Pinski
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, USA
| | - Alisha N Monsibais
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, USA
| | - Allen Jankeel
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, USA
| | - Brianna M Doratt
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, USA
| | - Isaac R Cinco
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, USA
| | - Izabela Ibraim
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, USA
| | - Ilhem Messaoudi
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, USA.
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Tsoukalas D, Sarandi E, Georgaki S. The snapshot of metabolic health in evaluating micronutrient status, the risk of infection and clinical outcome of COVID-19. Clin Nutr ESPEN 2021; 44:173-187. [PMID: 34330463 PMCID: PMC8234252 DOI: 10.1016/j.clnesp.2021.06.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 06/14/2021] [Indexed: 12/11/2022]
Abstract
COVID-19 has re-established the significance of analyzing the organism through a metabolic perspective to uncover the dynamic interconnections within the biological systems. The role of micronutrient status and metabolic health emerge as pivotal in COVID-19 pathogenesis and the immune system's response. Metabolic disruption, proceeding from modifiable factors, has been proposed as a significant risk factor accounting for infection susceptibility, disease severity and risk for post-COVID complications. Metabolomics, the comprehensive study and quantification of intermediates and products of metabolism, is a rapidly evolving field and a novel tool in biomarker discovery. In this article, we propose that leveraging insulin resistance biomarkers along with biomarkers of micronutrient deficiencies, will allow for a diagnostic window and provide functional therapeutic targets. Specifically, metabolomics can be applied as: a. At-home test to assess the risk of infection and propose nutritional support, b. A screening tool for high-risk COVID-19 patients to develop serious illness during hospital admission and prioritize medical support, c(i). A tool to match nutritional support with specific nutrient requirements for mildly ill patients to reduce the risk for hospitalization, and c(ii). for critically ill patients to reduce recovery time and risk of post-COVID complications, d. At-home test to monitor metabolic health and reduce post-COVID symptomatology. Metabolic rewiring offers potential virtues towards disease prevention, dissection of high-risk patients, taking actionable therapeutic measures, as well as shielding against post-COVID syndrome.
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Affiliation(s)
- Dimitris Tsoukalas
- European Institute of Nutritional Medicine, 00198 Rome, Italy; Metabolomic Medicine, Health Clinic for Autoimmune and Chronic Diseases, 10674 Athens, Greece.
| | - Evangelia Sarandi
- Metabolomic Medicine, Health Clinic for Autoimmune and Chronic Diseases, 10674 Athens, Greece; Laboratory of Toxicology and Forensic Sciences, Medical School, University of Crete, 71003 Heraklion, Greece.
| | - Spyridoula Georgaki
- Metabolomic Medicine, Health Clinic for Autoimmune and Chronic Diseases, 10674 Athens, Greece.
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44
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Hoque MN, Akter S, Mishu ID, Islam MR, Rahman MS, Akhter M, Islam I, Hasan MM, Rahaman MM, Sultana M, Islam T, Hossain MA. Microbial co-infections in COVID-19: Associated microbiota and underlying mechanisms of pathogenesis. Microb Pathog 2021; 156:104941. [PMID: 33962007 PMCID: PMC8095020 DOI: 10.1016/j.micpath.2021.104941] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 04/08/2021] [Accepted: 04/08/2021] [Indexed: 01/08/2023]
Abstract
The novel coronavirus infectious disease-2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has traumatized the whole world with the ongoing devastating pandemic. A plethora of microbial domains including viruses (other than SARS-CoV-2), bacteria, archaea and fungi have evolved together, and interact in complex molecular pathogenesis along with SARS-CoV-2. However, the involvement of other microbial co-pathogens and underlying molecular mechanisms leading to extortionate ailment in critically ill COVID-19 patients has yet not been extensively reviewed. Although, the incidence of co-infections could be up to 94.2% in laboratory-confirmed COVID-19 cases, the fate of co-infections among SARS-CoV-2 infected hosts often depends on the balance between the host's protective immunity and immunopathology. Predominantly identified co-pathogens of SARS-CoV-2 are bacteria such as Streptococcus pneumoniae, Staphylococcus aureus, Klebsiella pneumoniae, Haemophilus influenzae, Mycoplasma pneumoniae, Acinetobacter baumannii, Legionella pneumophila and Clamydia pneumoniae followed by viruses including influenza, coronavirus, rhinovirus/enterovirus, parainfluenza, metapneumovirus, influenza B virus, and human immunodeficiency virus. The cross-talk between co-pathogens (especially lung microbiomes), SARS-CoV-2 and host is an important factor that ultimately increases the difficulty of diagnosis, treatment, and prognosis of COVID-19. Simultaneously, co-infecting microbiotas may use new strategies to escape host defense mechanisms by altering both innate and adaptive immune responses to further aggravate SARS-CoV-2 pathogenesis. Better understanding of co-infections in COVID-19 is critical for the effective patient management, treatment and containment of SARS-CoV-2. This review therefore necessitates the comprehensive investigation of commonly reported microbial co-pathogens amid COVID-19, their transmission pattern along with the possible mechanism of co-infections and outcomes. Thus, identifying the possible co-pathogens and their underlying molecular mechanisms during SARS-CoV-2 pathogenesis may shed light in developing diagnostics, appropriate curative and preventive interventions for suspected SARS-CoV-2 respiratory infections in the current pandemic.
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Affiliation(s)
- M Nazmul Hoque
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh; Department of Gynecology, Obstetrics and Reproductive Health, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, 1706, Bangladesh
| | - Salma Akter
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh; Department of Microbiology, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | | | - M Rafiul Islam
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - M Shaminur Rahman
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Masuda Akhter
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Israt Islam
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Mehedi Mahmudul Hasan
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh; Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh
| | - Md Mizanur Rahaman
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Munawar Sultana
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Tofazzal Islam
- Institute of Biotechnology and Genetic Engineering (IBGE), BSMRAU, Gazipur, 1706, Bangladesh
| | - M Anwar Hossain
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh; Jashore University of Science and Technology, Jashore, 7408, Bangladesh.
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Proal AD, VanElzakker MB. Long COVID or Post-acute Sequelae of COVID-19 (PASC): An Overview of Biological Factors That May Contribute to Persistent Symptoms. Front Microbiol 2021; 12:698169. [PMID: 34248921 PMCID: PMC8260991 DOI: 10.3389/fmicb.2021.698169] [Citation(s) in RCA: 465] [Impact Index Per Article: 155.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 05/17/2021] [Indexed: 12/23/2022] Open
Abstract
The novel virus severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused a pandemic of coronavirus disease 2019 (COVID-19). Across the globe, a subset of patients who sustain an acute SARS-CoV-2 infection are developing a wide range of persistent symptoms that do not resolve over the course of many months. These patients are being given the diagnosis Long COVID or Post-acute sequelae of COVID-19 (PASC). It is likely that individual patients with a PASC diagnosis have different underlying biological factors driving their symptoms, none of which are mutually exclusive. This paper details mechanisms by which RNA viruses beyond just SARS-CoV-2 have be connected to long-term health consequences. It also reviews literature on acute COVID-19 and other virus-initiated chronic syndromes such as post-Ebola syndrome or myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) to discuss different scenarios for PASC symptom development. Potential contributors to PASC symptoms include consequences from acute SARS-CoV-2 injury to one or multiple organs, persistent reservoirs of SARS-CoV-2 in certain tissues, re-activation of neurotrophic pathogens such as herpesviruses under conditions of COVID-19 immune dysregulation, SARS-CoV-2 interactions with host microbiome/virome communities, clotting/coagulation issues, dysfunctional brainstem/vagus nerve signaling, ongoing activity of primed immune cells, and autoimmunity due to molecular mimicry between pathogen and host proteins. The individualized nature of PASC symptoms suggests that different therapeutic approaches may be required to best manage care for specific patients with the diagnosis.
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Affiliation(s)
- Amy D. Proal
- PolyBio Research Foundation, Kenmore, WA, United States
| | - Michael B. VanElzakker
- PolyBio Research Foundation, Kenmore, WA, United States
- Division of Neurotherapeutics, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
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Dereschuk K, Apostol L, Ranjan I, Chakladar J, Li WT, Rajasekaran M, Chang EY, Ongkeko WM. Identification of Lung and Blood Microbiota Implicated in COVID-19 Prognosis. Cells 2021; 10:1452. [PMID: 34200572 PMCID: PMC8226556 DOI: 10.3390/cells10061452] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/02/2021] [Accepted: 06/08/2021] [Indexed: 12/25/2022] Open
Abstract
The implications of the microbiome on Coronavirus disease 2019 (COVID-19) prognosis has not been thoroughly studied. In this study we aimed to characterize the lung and blood microbiome and their implication on COVID-19 prognosis through analysis of peripheral blood mononuclear cell (PBMC) samples, lung biopsy samples, and bronchoalveolar lavage fluid (BALF) samples. In all three tissue types, we found panels of microbes differentially abundant between COVID-19 and normal samples correlated to immune dysregulation and upregulation of inflammatory pathways, including key cytokine pathways such as interleukin (IL)-2, 3, 5-10 and 23 signaling pathways and downregulation of anti-inflammatory pathways including IL-4 signaling. In the PBMC samples, six microbes were correlated with worse COVID-19 severity, and one microbe was correlated with improved COVID-19 severity. Collectively, our findings contribute to the understanding of the human microbiome and suggest interplay between our identified microbes and key inflammatory pathways which may be leveraged in the development of immune therapies for treating COVID-19 patients.
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Affiliation(s)
- Kypros Dereschuk
- Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of California, San Diego, CA 92093, USA; (K.D.); (L.A.); (I.R.); (J.C.); (W.T.L.)
- Research Service, VA San Diego Healthcare System, San Diego, CA 92161, USA
| | - Lauren Apostol
- Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of California, San Diego, CA 92093, USA; (K.D.); (L.A.); (I.R.); (J.C.); (W.T.L.)
- Research Service, VA San Diego Healthcare System, San Diego, CA 92161, USA
| | - Ishan Ranjan
- Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of California, San Diego, CA 92093, USA; (K.D.); (L.A.); (I.R.); (J.C.); (W.T.L.)
- Research Service, VA San Diego Healthcare System, San Diego, CA 92161, USA
| | - Jaideep Chakladar
- Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of California, San Diego, CA 92093, USA; (K.D.); (L.A.); (I.R.); (J.C.); (W.T.L.)
- Research Service, VA San Diego Healthcare System, San Diego, CA 92161, USA
| | - Wei Tse Li
- Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of California, San Diego, CA 92093, USA; (K.D.); (L.A.); (I.R.); (J.C.); (W.T.L.)
- Research Service, VA San Diego Healthcare System, San Diego, CA 92161, USA
| | - Mahadevan Rajasekaran
- Department of Urology, University of California San Diego, La Jolla, CA 92093, USA;
- Urology Service, VA San Diego Healthcare System, San Diego, CA 92161, USA
| | - Eric Y. Chang
- Department of Radiology, University of California, San Diego, CA 92093, USA;
- Radiology Service, VA San Diego Healthcare System, San Diego, CA 92161, USA
| | - Weg M. Ongkeko
- Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of California, San Diego, CA 92093, USA; (K.D.); (L.A.); (I.R.); (J.C.); (W.T.L.)
- Research Service, VA San Diego Healthcare System, San Diego, CA 92161, USA
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Co-Encapsulated Synbiotics and Immobilized Probiotics in Human Health and Gut Microbiota Modulation. Foods 2021; 10:foods10061297. [PMID: 34200108 PMCID: PMC8230215 DOI: 10.3390/foods10061297] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 12/20/2022] Open
Abstract
Growing interest in the development of innovative functional products as ideal carriers for synbiotics, e.g., nutrient bars, yogurt, chocolate, juice, ice cream, and cheese, to ensure the daily intake of probiotics and prebiotics, which are needed to maintain a healthy gut microbiota and overall well-being, is undeniable and inevitable. This review focuses on the modern approaches that are currently being developed to modulate the gut microbiota, with an emphasis on the health benefits mediated by co-encapsulated synbiotics and immobilized probiotics. The impact of processing, storage, and simulated gastrointestinal conditions on the viability and bioactivity of probiotics together with prebiotics such as omega-3 polyunsaturated fatty acids, phytochemicals, and dietary fibers using various delivery systems are considered. Despite the proven biological properties of synbiotics, research in this area needs to be focused on the proper selection of probiotic strains, their prebiotic counterparts, and delivery systems to avoid suppression of their synergistic or complementary effect on human health. Future directions should lead to the development of functional food products containing stable synbiotics tailored for different age groups or specifically designed to fulfill the needs of adjuvant therapy.
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Khatiwada S, Subedi A. A Mechanistic Link Between Selenium and Coronavirus Disease 2019 (COVID-19). Curr Nutr Rep 2021; 10:125-136. [PMID: 33835432 PMCID: PMC8033553 DOI: 10.1007/s13668-021-00354-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/23/2021] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW Coronavirus disease 2019 (COVID-19) is a rapidly emerging disease caused by a highly contagious virus called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), and this disease has affected millions of people across the world and led to hundreds of thousands of deaths worldwide. Nutrition is a key factor related to this disease, and nutritional status may determine the risk and outcomes of SARS-CoV-2 infection. Selenium is one of the major trace elements required for redox functions and has significant roles in viral infections. The purpose of this review was to examine the current evidence on the role of selenium in COVID-19. We reviewed studies on selenium and COVID-19, and other relevant studies to understand how selenium status can modify the risk of SARS-CoV-2 infection, and how selenium status might affect a person post-infection. RECENT FINDINGS We found that oxidative stress is a characteristic feature of COVID-19 disease, which is linked with the immunopathological disorder observed in individuals with severe COVID-19. Selenium plays a key role in strengthening immunity, reducing oxidative stress, preventing viral infections and supporting critical illness. Moreover, selenium deficiency is related to oxidative stress and hyperinflammation seen in critical illness, and selenium deficiency is found to be associated with the severity of COVID-19 disease. Selenium supplementation at an appropriate dose may act as supportive therapy in COVID-19. Future studies in large cohorts of COVID-19 are warranted to verify the benefits of selenium supplementation for reducing risk and severity of COVID-19.
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Affiliation(s)
| | - Astha Subedi
- Medicine ICU, Tribhuvan University Teaching Hospital, Kathmandu, Nepal
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Rhoades NS, Pinski A, Monsibais AN, Jankeel A, Doratt BM, Cinco IR, Ibraim I, Messaoudi I. Acute SARS-CoV-2 infection is associated with an expansion of bacteria pathogens in the nose including Pseudomonas Aeruginosa. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2021. [PMID: 34031657 DOI: 10.1101/2021.05.20.445008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Much of the research conducted on SARS-CoV-2 and COVID-19 has focused on the systemic host response, especially that generated by severely ill patients. Very few studies have investigated the impact of acute SARS-CoV-2 within the nasopharynx, the site of initial infection and viral replication. In this study we profiled changes in the nasal microbial communities as well as in host transcriptional profile during acute SARS-CoV-2 infection using 16S amplicon sequencing and RNA sequencing. These analyses were coupled to viral genome sequencing. Our microbiome analysis revealed that the nasal microbiome of COVID patients was unique and was marked by an expansion of bacterial pathogens. Some of these microbes (i.e. Acinetobacter ) were shared with COVID negative health care providers from the same medical center but absent in COVID negative outpatients seeking care at the same institutions suggesting acquisition of nosocomial respiratory pathogens. Specifically, we report a distinct increase in the prevalence and abundance of the pathogen Pseudomonas aeruginosa in COVID patients that correlated with viral RNA load. These data suggest that the inflammatory environment caused by SARS-CoV-2 infection and potentially exposure to the hospital environment leads to an expansion of bacterial pathogens in the nasal cavity that could contribute to increased incidence of secondary bacterial infections. Additionally, we observed a robust host transcriptional response in the nasal epithelia of COVID patients, indicative of an antiviral innate immune repones and neuronal damage. Finally, analysis of viral genomes did not reveal an association between viral loads and viral sequences.
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Pathogenic Role of Epstein-Barr Virus in Lung Cancers. Viruses 2021; 13:v13050877. [PMID: 34064727 PMCID: PMC8151745 DOI: 10.3390/v13050877] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/27/2021] [Accepted: 05/07/2021] [Indexed: 01/02/2023] Open
Abstract
Human oncogenic viruses account for at least 12% of total cancer cases worldwide. Epstein–Barr virus (EBV) is the first identified human oncogenic virus and it alone causes ~200,000 cancer cases and ~1.8% of total cancer-related death annually. Over the past 40 years, increasing lines of evidence have supported a causal link between EBV infection and a subgroup of lung cancers (LCs). In this article, we review the current understanding of the EBV-LC association and the etiological role of EBV in lung carcinogenesis. We also discuss the clinical impact of the knowledge gained from previous research, challenges, and future directions in this field. Given the high clinical relevance of EBV-LC association, there is an urgent need for further investigation on this topic.
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