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Khoo SC, Zhang N, Luang-In V, Goh MS, Sonne C, Ma NL. Exploring environmental exposomes and the gut-brain nexus: Unveiling the impact of pesticide exposure. ENVIRONMENTAL RESEARCH 2024; 250:118441. [PMID: 38350544 DOI: 10.1016/j.envres.2024.118441] [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: 07/17/2023] [Revised: 01/20/2024] [Accepted: 02/06/2024] [Indexed: 02/15/2024]
Abstract
This review delves into the escalating concern of environmental pollutants and their profound impact on human health in the context of the modern surge in global diseases. The utilisation of chemicals in food production, which results in residues in food, has emerged as a major concern nowadays. By exploring the intricate relationship between environmental pollutants and gut microbiota, the study reveals a dynamic bidirectional interplay, as modifying microbiota profile influences metabolic pathways and subsequent brain functions. This review will first provide an overview of potential exposomes and their effect to gut health. This paper is then emphasis the connection of gut brain function by analysing microbiome markers with neurotoxicity responses. We then take pesticide as example of exposome to elucidate their influence to biomarkers biosynthesis pathways and subsequent brain functions. The interconnection between neuroendocrine and neuromodulators elements and the gut-brain axis emerges as a pivotal factor in regulating mental health and brain development. Thus, manipulation of gut microbiota function at the onset of stress may offer a potential avenue for the prevention and treatment for mental disorder and other neurodegenerative illness.
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Affiliation(s)
- Shing Ching Khoo
- Biological Security and Sustainability (BioSES) Research Interest Group, Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia
| | - Nan Zhang
- Synerk Biotech, BioBay, Suzhou, 215000, China; Neuroscience Program, Department of Neurology, Houston Methodist Research Institute, TX, 77030, USA; Department of Neurology, Weill Cornell Medicine, New York, 10065, USA
| | - Vijitra Luang-In
- Natural Antioxidant Innovation Research Unit, Department of Biotechnology, Faculty of Technology, Mahasarakham University, Khamriang, Kantharawichai, Mahasarakham, 44150, Thailand
| | - Meng Shien Goh
- Biological Security and Sustainability (BioSES) Research Interest Group, Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia
| | - Christian Sonne
- Aarhus University, Faculty of Science and Technology, Department of Bioscience, Arctic Research Centre (ARC), Danish Centre for Environment and Energy (DCE), Frederiksborgvej 399, PO Box 358, DK-4000, Roskilde, Denmark
| | - Nyuk Ling Ma
- Biological Security and Sustainability (BioSES) Research Interest Group, Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia; Center for Global Health Research (CGHR), Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, India.
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Pochini L, Galluccio M, Console L, Scalise M, Eberini I, Indiveri C. Inflammation and Organic Cation Transporters Novel (OCTNs). Biomolecules 2024; 14:392. [PMID: 38672410 PMCID: PMC11048549 DOI: 10.3390/biom14040392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 03/20/2024] [Accepted: 03/21/2024] [Indexed: 04/28/2024] Open
Abstract
Inflammation is a physiological condition characterized by a complex interplay between different cells handled by metabolites and specific inflammatory-related molecules. In some pathological situations, inflammation persists underlying and worsening the pathological state. Over the years, two membrane transporters namely OCTN1 (SLC22A4) and OCTN2 (SLC22A5) have been shown to play specific roles in inflammation. These transporters form the OCTN subfamily within the larger SLC22 family. The link between these proteins and inflammation has been proposed based on their link to some chronic inflammatory diseases such as asthma, Crohn's disease (CD), and rheumatoid arthritis (RA). Moreover, the two transporters show the ability to mediate the transport of several compounds including carnitine, carnitine derivatives, acetylcholine, ergothioneine, and gut microbiota by-products, which have been specifically associated with inflammation for their anti- or proinflammatory action. Therefore, the absorption and distribution of these molecules rely on the presence of OCTN1 and OCTN2, whose expression is modulated by inflammatory cytokines and transcription factors typically activated by inflammation. In the present review, we wish to provide a state of the art on OCTN1 and OCTN2 transport function and regulation in relationships with inflammation and inflammatory diseases focusing on the metabolic signature collected in different body districts and gene polymorphisms related to inflammatory diseases.
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Affiliation(s)
- Lorena Pochini
- Laboratory of Biochemistry, Molecular Biotechnology and Molecular Biology, Department DiBEST (Biologia, Ecologia, Scienze della Terra), University of Calabria, Via Bucci 4C, 6C, 87036 Arcavacata di Rende, Italy; (M.G.); (L.C.); (M.S.)
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies (IBIOM), National Research Council (CNR), Via Amendola 122/O, 70126 Bari, Italy
| | - Michele Galluccio
- Laboratory of Biochemistry, Molecular Biotechnology and Molecular Biology, Department DiBEST (Biologia, Ecologia, Scienze della Terra), University of Calabria, Via Bucci 4C, 6C, 87036 Arcavacata di Rende, Italy; (M.G.); (L.C.); (M.S.)
| | - Lara Console
- Laboratory of Biochemistry, Molecular Biotechnology and Molecular Biology, Department DiBEST (Biologia, Ecologia, Scienze della Terra), University of Calabria, Via Bucci 4C, 6C, 87036 Arcavacata di Rende, Italy; (M.G.); (L.C.); (M.S.)
| | - Mariafrancesca Scalise
- Laboratory of Biochemistry, Molecular Biotechnology and Molecular Biology, Department DiBEST (Biologia, Ecologia, Scienze della Terra), University of Calabria, Via Bucci 4C, 6C, 87036 Arcavacata di Rende, Italy; (M.G.); (L.C.); (M.S.)
| | - Ivano Eberini
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, 20133 Milan, Italy;
| | - Cesare Indiveri
- Laboratory of Biochemistry, Molecular Biotechnology and Molecular Biology, Department DiBEST (Biologia, Ecologia, Scienze della Terra), University of Calabria, Via Bucci 4C, 6C, 87036 Arcavacata di Rende, Italy; (M.G.); (L.C.); (M.S.)
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies (IBIOM), National Research Council (CNR), Via Amendola 122/O, 70126 Bari, Italy
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Rayan M, Sayed TS, Hussein OJ, Therachiyil L, Maayah ZH, Maccalli C, Uddin S, Prehn JHM, Korashy HM. Unlocking the secrets: exploring the influence of the aryl hydrocarbon receptor and microbiome on cancer development. Cell Mol Biol Lett 2024; 29:33. [PMID: 38448800 PMCID: PMC10918910 DOI: 10.1186/s11658-024-00538-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 01/17/2024] [Indexed: 03/08/2024] Open
Abstract
Gut microbiota regulates various aspects of human physiology by producing metabolites, metabolizing enzymes, and toxins. Many studies have linked microbiota with human health and altered microbiome configurations with the occurrence of several diseases, including cancer. Accumulating evidence suggests that the microbiome can influence the initiation and progression of several cancers. Moreover, some microbiotas of the gut and oral cavity have been reported to infect tumors, initiate metastasis, and promote the spread of cancer to distant organs, thereby influencing the clinical outcome of cancer patients. The gut microbiome has recently been reported to interact with environmental factors such as diet and exposure to environmental toxicants. Exposure to environmental pollutants such as polycyclic aromatic hydrocarbons (PAHs) induces a shift in the gut microbiome metabolic pathways, favoring a proinflammatory microenvironment. In addition, other studies have also correlated cancer incidence with exposure to PAHs. PAHs are known to induce organ carcinogenesis through activating a ligand-activated transcriptional factor termed the aryl hydrocarbon receptor (AhR), which metabolizes PAHs to highly reactive carcinogenic intermediates. However, the crosstalk between AhR and the microbiome in mediating carcinogenesis is poorly reviewed. This review aims to discuss the role of exposure to environmental pollutants and activation of AhR on microbiome-associated cancer progression and explore the underlying molecular mechanisms involved in cancer development.
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Affiliation(s)
- Menatallah Rayan
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, P. O. Box 2713, Doha, Qatar
- Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin 2, Ireland
| | - Tahseen S Sayed
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, P. O. Box 2713, Doha, Qatar
| | - Ola J Hussein
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, P. O. Box 2713, Doha, Qatar
| | - Lubna Therachiyil
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, P. O. Box 2713, Doha, Qatar
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Zaid H Maayah
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, P. O. Box 2713, Doha, Qatar
| | | | - Shahab Uddin
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
- Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Jochen H M Prehn
- Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin 2, Ireland
- RCSI Centre for Systems Medicine, Royal College of Surgeons in Ireland, Dublin 2, Ireland
| | - Hesham M Korashy
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, P. O. Box 2713, Doha, Qatar.
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Bhardwaj G, Riadi Y, Afzal M, Bansal P, Kaur H, Deorari M, Tonk RK, Almalki WH, Kazmi I, Alzarea SI, Kukreti N, Thangavelu L, Saleem S. The hidden threat: Environmental toxins and their effects on gut microbiota. Pathol Res Pract 2024; 255:155173. [PMID: 38364649 DOI: 10.1016/j.prp.2024.155173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/18/2024]
Abstract
The human gut microbiota (GM), which consists of a complex and diverse ecosystem of bacteria, plays a vital role in overall wellness. However, the delicate balance of this intricate system is being compromised by the widespread presence of environmental toxins. The intricate connection between contaminants in the environment and human well-being has garnered significant attention in recent times. Although many environmental pollutants and their toxicity have been identified and studied in laboratory settings and animal models, there is insufficient data concerning their relevance to human physiology. Consequently, research on the toxicity of environmental toxins in GM has gained prominence in recent years. Various factors, such as air pollution, chemicals, heavy metals, and pesticides, have a detrimental impact on the composition and functioning of the GM. This comprehensive review aims to comprehend the toxic effects of numerous environmental pollutants, including antibiotics, endocrine-disrupting chemicals, heavy metals, and pesticides, on GM by examining recent research findings. The current analysis concludes that different types of environmental toxins can lead to GM dysbiosis and have various potential adverse effects on the well-being of animals. We investigate the alterations to the GM composition induced by contaminants and their impact on overall well-being, providing a fresh perspective on research related to pollutant exposure.
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Affiliation(s)
- Gautam Bhardwaj
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University, Pushp Vihar sector-3, M-B Road, New Delhi 110017, India
| | - Yassine Riadi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj 11942, Saudi Arabia
| | - Muhammad Afzal
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah 21442, Saudi Arabia
| | - Pooja Bansal
- Department of Biotechnology and Genetics, Jain (Deemed-to-be) University, Bengaluru, Karnataka 560069, India; Department of Allied Healthcare and Sciences, Vivekananda Global University, Jaipur, Rajasthan 303012, India
| | - Harpreet Kaur
- School of Basic & Applied Sciences, Shobhit University, Gangoh, Uttar Pradesh 247341, India; Department of Health & Allied Sciences, Arka Jain University, Jamshedpur, Jharkhand 831001, India
| | - Mahamedha Deorari
- Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India
| | - Rajiv Kumar Tonk
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University, Pushp Vihar sector-3, M-B Road, New Delhi 110017, India.
| | - Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Imran Kazmi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, 21589 Jeddah, Saudi Arabia
| | - Sami I Alzarea
- Department of Pharmacology, College of Pharmacy, Jouf University, 72341 Sakaka, Aljouf, Saudi Arabia
| | - Neelima Kukreti
- School of Pharmacy, Graphic Era Hill University, Dehradun 248007, India
| | - Lakshmi Thangavelu
- Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
| | - Shakir Saleem
- Department of Public Health. College of Health Sciences, Saudi Electronic University, Riyadh, Saudi Arabia.
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Li Q, Guo P, Wang S, Su L, Liang T, Yu W, Guo J, Yang Q, Tang Z, Liao J. Gut microbiota disorders aggravate terbuthylazine-induced mitochondrial quality control disturbance and PANoptosis in chicken hepatocyte through gut-liver axis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 913:169642. [PMID: 38159754 DOI: 10.1016/j.scitotenv.2023.169642] [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: 10/10/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 01/03/2024]
Abstract
Terbuthylazine (TBA) is a widely prevalent pesticide pollutant, which is a global concern due to its environmental residual. However, the toxic mechanism of TBA have not been fully solved. Here, we explored that TBA exposure disrupts the intestinal flora and aggravated disturbance of mitochondrial quality control and PANapoptosis in hepatocytes via gut-liver axis. Our findings demonstrated that TBA exposure induced significant damage to the jejunum barrier, evidenced by a marked decrease in the expression of Occludin and ZO-1. Moreover. TBA led to intestinal microflora disorder, manifested as the decreased abundance of Firmicutes, and increased abundance of the Nitrospirota, Chloroflexi, Desulfobacterota, Crenarchaeota, Myxococcota, and Planctomycetota. Meanwhile, intestinal microflora disorder affected the biological processes of lipid metabolism and cell growth and death of hepatocytes by RNA-Seq analysis. Furthermore, TBA could induced mitochondrial quality control imbalance, including mitochondrial redox disorders, lower activity of mitochondrial fusion and biogenesis decrease, and increasing level of mitophagy. Subsequently, TBA significantly increased expression levels of pyroptosis, apoptosis and necroptosis-related proteins. In general, these results demonstrated the underlying mechanisms of TBA-induced hepatotoxicity induced via the gut-liver axis, which provides a theoretical basis for further research of ecotoxicology of TBA.
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Affiliation(s)
- Quanwei Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Pan Guo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Shaofeng Wang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Luna Su
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Tingyu Liang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Wenlan Yu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Jianying Guo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Qingwen Yang
- Laboratory of Veterinary Pharmacology, Department of Animal Science and Technology, Chongqing Three Gorges Vocational College, Chongqing, PR China
| | - Zhaoxin Tang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Jianzhao Liao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China.
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Goyal SP, Maurya R, Mishra V, Kondepudi KK, Saravanan C. Ameliorative potential of synbiotic combination of Lactobacillus sp. and polyphenols against Benzo[a]pyrene-induced toxicity in Caco-2 cell line. CHEMOSPHERE 2024; 349:140891. [PMID: 38101482 DOI: 10.1016/j.chemosphere.2023.140891] [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: 05/17/2023] [Revised: 11/17/2023] [Accepted: 12/02/2023] [Indexed: 12/17/2023]
Abstract
Exposure to benzo[a]pyrene (B[a]P), a major global food safety concern, is often associated with increasing incidence of colorectal cancers. This in-vitro study was focused on the identification of potential B[a]P-adsorbing Lactobacillus strains and evaluation of the ameliorative effect of synbiotic combination of selected Lactobacillus sp. and polyphenols (quercetin or resveratrol) against B[a]P-induced intestinal toxicity in Caco-2 cells. Preliminary studies lead to the selection of Lactiplantibacillus plantarum MTCC 25433 strain that showed 86% of B[a]P adsorption in 2 h as compared to L. rhamnosus GG that showed 74% of B[a]P adsorption. B[a]P adsorption by MTCC 25433 was reduced to 9%, 16% and 20% upon pre-treatment with SDS, NaIO4 and mutanolysin, attributing the involvement of cell wall proteins and polysaccharides in the adsorption. Additionally, peptidoglycan of both strains adsorbed >50% of B[a]P. In-vitro assays revealed that the selected LAB mitigated the B[a]P-induced epithelial cell damage. Among the polyphenols, quercetin, resveratrol and curcumin, varied in their potency to mitigate B[a]P-induced oxidative stress, with curcumin being least effective. Combinations of selected Lactobacillus sp. and polyphenols were more potent in averting B[a]P-induced toxicity via increase in GSH (17-30 %), SOD (50-88 %), catalase (19-45 %), and reduction in IL-8 secretion (14-28 %) and barrier dysfunction. Principal component analysis affirmed the superior potency of combination of L. plantarum MTCC 25433 and quercetin in averting B[a]P-induced toxicity. Overall, this study highlighted a novel promising strategy of synbiotic combination of Lactobacillus sp. and polyphenols (quercetin or resveratrol) in alleviating the B[a]P-induced toxicity in intestinal epithelial cells.
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Affiliation(s)
- Shivani Popli Goyal
- Department of Basic and Applied Sciences, National Institute of Food Technology Entrepreneurship and Management, Sonipat, Haryana 131028, India
| | - Ruchika Maurya
- Healthy Gut Research Group, Food and Nutrition Biotechnology Division, National Agri-Food Biotechnology Institute, S.A.S Nagar, Punjab, 140306, India
| | - Vijendra Mishra
- Department of Basic and Applied Sciences, National Institute of Food Technology Entrepreneurship and Management, Sonipat, Haryana 131028, India
| | - Kanthi Kiran Kondepudi
- Healthy Gut Research Group, Food and Nutrition Biotechnology Division, National Agri-Food Biotechnology Institute, S.A.S Nagar, Punjab, 140306, India.
| | - Chakkaravarthi Saravanan
- Department of Basic and Applied Sciences, National Institute of Food Technology Entrepreneurship and Management, Sonipat, Haryana 131028, India.
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Gan J, Chen J, Ma RL, Deng Y, Ding XS, Zhu SY, Sun AJ. Metagenomics study on taxonomic and functional change of gut microbiota in patients with obesity with PCOS treated with exenatide combination with metformin or metformin alone. Gynecol Endocrinol 2023; 39:2219342. [PMID: 37290480 DOI: 10.1080/09513590.2023.2219342] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 05/01/2023] [Accepted: 05/24/2023] [Indexed: 06/10/2023] Open
Abstract
OBJECTIVE To investigate the effect of exenatide treatment on the composition of intestinal flora and metabolic pathways in patients with obesity with polycystic ovary syndrome. METHODS Patients with obesity with polycystic ovary syndrome (PCOS) were distributed to two groups: one received exenatide combined with metformin (COM group, n = 14) and the other used metformin alone (MF group, n = 15). Fresh fecal specimens from the participants, including 29 patients with obesity with PCOS and 6 healthy controls, were collected for metagenomic sequencing. The effect of exenatide combination with metformin or metformin alone on the composition and function of intestinal flora in patients with obesity with PCOS were compared by bioinformatics analysis. RESULTS The level of BMI, TT, HbA1c, and HDL-c was significantly improved in both groups. The MF and COM groups were abundant in Firmicutes, Bacteroidetes, Uroviricota, Actinobacteria, and Proteobacteria. Abundance of Bacteroidetes, Proteobacteria, Hungatella, and certain probiotics like Phocaeicola and Anaerobutyricum significantly increased in both groups after treatment. Enriched microbial species in the MF and COM group were different. Clostridium, Fusobacterium, and Oxalobacter were the main bacteria in the post-MF group, while Lactococcus_garvieae, Clostridium_perfringens, and Coprococcus_sp_AF16_5 were the main bacteria in the post-COM group. The post-COM group had more probiotic species including Bifidobacterium, Prevotella, and Anaerobutyricum after treatment. CONCLUSION Both exenatide combined with metformin and metformin monotherapy can improve metabolic and endocrine markers, and the diversity and abundance of gut microbiota in patients with obesity with PCOS. The effects of the combination and monotherapy agents on intestinal flora were consistent to some extent but also unique respectively.
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Affiliation(s)
- Jingwen Gan
- National Clinical Research Center for Obstetric & Gynecologic Diseases, Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Jie Chen
- National Clinical Research Center for Obstetric & Gynecologic Diseases, Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Rui-Lin Ma
- Department of Ultrasound, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Yan Deng
- National Clinical Research Center for Obstetric & Gynecologic Diseases, Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xue-Song Ding
- National Clinical Research Center for Obstetric & Gynecologic Diseases, Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Shi-Yang Zhu
- National Clinical Research Center for Obstetric & Gynecologic Diseases, Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Ai-Jun Sun
- National Clinical Research Center for Obstetric & Gynecologic Diseases, Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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Huang Y, Sheth RU, Zhao S, Cohen LA, Dabaghi K, Moody T, Sun Y, Ricaurte D, Richardson M, Velez-Cortes F, Blazejewski T, Kaufman A, Ronda C, Wang HH. High-throughput microbial culturomics using automation and machine learning. Nat Biotechnol 2023; 41:1424-1433. [PMID: 36805559 PMCID: PMC10567565 DOI: 10.1038/s41587-023-01674-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 01/11/2023] [Indexed: 02/22/2023]
Abstract
Pure bacterial cultures remain essential for detailed experimental and mechanistic studies in microbiome research, and traditional methods to isolate individual bacteria from complex microbial ecosystems are labor-intensive, difficult-to-scale and lack phenotype-genotype integration. Here we describe an open-source high-throughput robotic strain isolation platform for the rapid generation of isolates on demand. We develop a machine learning approach that leverages colony morphology and genomic data to maximize the diversity of microbes isolated and enable targeted picking of specific genera. Application of this platform on fecal samples from 20 humans yields personalized gut microbiome biobanks totaling 26,997 isolates that represented >80% of all abundant taxa. Spatial analysis on >100,000 visually captured colonies reveals cogrowth patterns between Ruminococcaceae, Bacteroidaceae, Coriobacteriaceae and Bifidobacteriaceae families that suggest important microbial interactions. Comparative analysis of 1,197 high-quality genomes from these biobanks shows interesting intra- and interpersonal strain evolution, selection and horizontal gene transfer. This culturomics framework should empower new research efforts to systematize the collection and quantitative analysis of imaging-based phenotypes with high-resolution genomics data for many emerging microbiome studies.
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Affiliation(s)
- Yiming Huang
- Department of Systems Biology, Columbia University, New York, NY, USA
| | - Ravi U Sheth
- Department of Systems Biology, Columbia University, New York, NY, USA
| | - Shijie Zhao
- Department of Systems Biology, Columbia University, New York, NY, USA
| | - Lucas A Cohen
- Department of Systems Biology, Columbia University, New York, NY, USA
| | - Kendall Dabaghi
- Department of Systems Biology, Columbia University, New York, NY, USA
| | - Thomas Moody
- Department of Systems Biology, Columbia University, New York, NY, USA
| | - Yiwei Sun
- Department of Biomedical Informatics, Columbia University, New York, NY, USA
| | - Deirdre Ricaurte
- Department of Systems Biology, Columbia University, New York, NY, USA
| | - Miles Richardson
- Department of Systems Biology, Columbia University, New York, NY, USA
| | | | | | - Andrew Kaufman
- Department of Systems Biology, Columbia University, New York, NY, USA
| | - Carlotta Ronda
- Department of Systems Biology, Columbia University, New York, NY, USA
| | - Harris H Wang
- Department of Systems Biology, Columbia University, New York, NY, USA.
- Department of Pathology and Cell Biology, Columbia University, New York, NY, USA.
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Calero-Medina L, Jimenez-Casquet MJ, Heras-Gonzalez L, Conde-Pipo J, Lopez-Moro A, Olea-Serrano F, Mariscal-Arcas M. Dietary exposure to endocrine disruptors in gut microbiota: A systematic review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 886:163991. [PMID: 37169193 DOI: 10.1016/j.scitotenv.2023.163991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/29/2023] [Accepted: 05/03/2023] [Indexed: 05/13/2023]
Abstract
Endocrine disrupting chemicals (EDCs) can interfere with hormonal actions and have been associated with a higher incidence of metabolic disorders. They affect numerous physiological, biochemical, and endocrinal activities, including reproduction, metabolism, immunity, and behavior. The purpose of this review was to elucidate the association of EDCs in food with the gut microbiota and with metabolic disorders. EDC exposure induces changes that can lead to microbial dysbiosis. Products and by-products released by the microbial metabolism of EDCs can be taken up by the host. Changes in the composition of the microbiota and production of microbial metabolites may have a major impact on the host metabolism.
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Affiliation(s)
- Laura Calero-Medina
- Department of Nutrition and Food Science, School of Pharmacy, University of Granada, 18071 Granada, Spain
| | - Maria Jose Jimenez-Casquet
- Department of Nutrition and Food Science, School of Pharmacy, University of Granada, 18071 Granada, Spain
| | - Leticia Heras-Gonzalez
- Virgen de las Nieves University Hospital, Granada, Spain; Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
| | - Javier Conde-Pipo
- Department of Nutrition and Food Science, School of Pharmacy, University of Granada, 18071 Granada, Spain
| | - Alejandro Lopez-Moro
- Department of Nutrition and Food Science, School of Pharmacy, University of Granada, 18071 Granada, Spain
| | - Fatima Olea-Serrano
- Department of Nutrition and Food Science, School of Pharmacy, University of Granada, 18071 Granada, Spain
| | - Miguel Mariscal-Arcas
- Department of Nutrition and Food Science, School of Pharmacy, University of Granada, 18071 Granada, Spain; Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain.
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10
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Anaduaka EG, Uchendu NO, Asomadu RO, Ezugwu AL, Okeke ES, Chidike Ezeorba TP. Widespread use of toxic agrochemicals and pesticides for agricultural products storage in Africa and developing countries: Possible panacea for ecotoxicology and health implications. Heliyon 2023; 9:e15173. [PMID: 37113785 PMCID: PMC10126862 DOI: 10.1016/j.heliyon.2023.e15173] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 03/22/2023] [Accepted: 03/28/2023] [Indexed: 04/29/2023] Open
Abstract
Chemicals used for storage majorly possess insecticidal activities - deterring destructive insect pests and microorganisms from stored agricultural produce. Despite the controversy about their safety, local farmers and agro-wholesalers still predominantly use these chemicals in developing countries, especially Africa, to ensure an all-year supply of agriproducts. These chemicals could have short- or long-term effects. Despite the state-of-the-art knowledge, factors such as poor education and awareness, limited agricultural subventions, quests for cheap chemicals, over-dosage, and many more are the possible reasons for these toxic chemicals' setback and persistent use in developing countries. This paper provides an up-to-date review of the environmental and ecological effects, as well as the health impacts arising from the indiscriminate use of toxic chemicals in agriproducts. Existing data link pesticides to endocrine disruption, genetic mutations, neurological dysfunction, and other metabolic disorders, apart from the myriad of acute effects. Finally, this study recommended several naturally sourced preservatives as viable alternatives to chemical counterparts and emphasized the invaluable role of education and awareness programs in mitigating the use in developing nations for a sustainable society.
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Affiliation(s)
- Emeka Godwin Anaduaka
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Enugu State, 410001, Nigeria
- Department of Genetics and Biotechnology, Faculty of Biological Sciences, University of Nigeria, Enugu State, 410001, Nigeria
| | - Nene Orizu Uchendu
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Enugu State, 410001, Nigeria
| | - Rita Onyekachukwu Asomadu
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Enugu State, 410001, Nigeria
| | - Arinze Linus Ezugwu
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Enugu State, 410001, Nigeria
- Department of Genetics and Biotechnology, Faculty of Biological Sciences, University of Nigeria, Enugu State, 410001, Nigeria
| | - Emmanuel Sunday Okeke
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Enugu State, 410001, Nigeria
- Natural Science Unit, School of General Studies, University of Nigeria, Nsukka, 410001, Enugu State, Nigeria
| | - Timothy Prince Chidike Ezeorba
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Enugu State, 410001, Nigeria
- Department of Genetics and Biotechnology, Faculty of Biological Sciences, University of Nigeria, Enugu State, 410001, Nigeria
- Corresponding author. Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Enugu State, 410001, Nigeria.
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11
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Daschner PJ, Ross S, Seifried H, Kumar A, Flores R. Nutrition and Microbiome Interactions in Human Cancer. J Acad Nutr Diet 2023; 123:504-514. [PMID: 36208721 DOI: 10.1016/j.jand.2022.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 09/28/2022] [Accepted: 10/02/2022] [Indexed: 11/11/2022]
Abstract
Individual physiologic responses to changes in dietary patterns can vary widely to affect cancer risk, which is driven by multiple host-specific factors (eg, genetics, epigenetics, inflammatory and metabolic states, and the colonizing microbiome). Emerging evidence indicates that diet-induced microbiota alterations are key modulators of several host functions important to tumor etiology, progression, and response to cancer therapy. Thus, diet may potentially be used to target alterations of the microbiota as an effective means to improve outcomes across the cancer continuum (from cancer prevention to tumor development and progression, to effects on treatment and survivorship). This review will focus on recent examples of functional interactions between dietary components (nutrients and non-nutrients) and the gastrointestinal microbiome, which are 2 critical and malleable environmental variables in cancer risk that affect host immune, metabolic, and cell signaling functions and may provide insights for novel cancer therapeutic and preventive strategies.
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Affiliation(s)
- Phillip J Daschner
- Division of Cancer Biology, National Cancer Institute, Bethesda, Maryland.
| | - Sharon Ross
- Division of Cancer Prevention, National Cancer Institute, Bethesda, Maryland
| | - Harold Seifried
- Division of Cancer Prevention, National Cancer Institute, Bethesda, Maryland
| | - Amit Kumar
- Division of Cancer Prevention, National Cancer Institute, Bethesda, Maryland
| | - Roberto Flores
- Office of Nutrition Research, Division of Program Coordination, Planning and Strategic Initiatives, National Institutes of Health, Bethesda, Maryland
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12
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Fournier E, Ratel J, Denis S, Leveque M, Ruiz P, Mazal C, Amiard F, Edely M, Bezirard V, Gaultier E, Lamas B, Houdeau E, Engel E, Lagarde F, Etienne-Mesmin L, Mercier-Bonin M, Blanquet-Diot S. Exposure to polyethylene microplastics alters immature gut microbiome in an infant in vitro gut model. JOURNAL OF HAZARDOUS MATERIALS 2023; 443:130383. [PMID: 36444070 DOI: 10.1016/j.jhazmat.2022.130383] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/08/2022] [Accepted: 11/09/2022] [Indexed: 06/16/2023]
Abstract
Infants are characterized by an immaturity of the gut ecosystem and a high exposure to microplastics (MPs) through diet, dust and suckling. However, the bidirectional interactions between MPs and the immature infant intestinal microbiota remain unknown. Our study aims to investigate the impact of chronic exposure to polyethylene (PE) MPs on the gut microbiota and intestinal barrier of infants, using the new Toddler mucosal Artificial Colon coupled with a co-culture of epithelial and mucus-secreting cells. Gut microbiota composition was determined by 16S metabarcoding and microbial activities were evaluated by gas, short chain fatty acid and volatolomics analyses. Gut barrier integrity was assessed via evaluation of intestinal permeability, inflammation and mucus synthesis. Exposure to PE MPs induced gut microbial shifts increasing α-diversity and abundance of potentially harmful pathobionts, such as Dethiosulfovibrionaceae and Enterobacteriaceae. Those changes were associated to butyrate production decrease and major changes in volatile organic compounds profiles. In contrast, no significant impact of PE MPs on the gut barrier, as mediated by microbial metabolites, was reported. For the first time, this study indicates that ingestion of PE MPs can induce perturbations in the gut microbiome of infants. Next step would be to further investigate the potential vector effect of MPs.
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Affiliation(s)
- Elora Fournier
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, F-63000 Clermont-Ferrand, France; Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France
| | - Jeremy Ratel
- INRAE, UR QuaPA, MASS Team, F-63122 Saint-Genès-Champanelle, France
| | - Sylvain Denis
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, F-63000 Clermont-Ferrand, France
| | - Mathilde Leveque
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France
| | - Philippe Ruiz
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, F-63000 Clermont-Ferrand, France
| | - Carine Mazal
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, F-63000 Clermont-Ferrand, France
| | - Frederic Amiard
- Le Mans Université, IMMM UMR-CNRS 6283, Avenue Olivier Messiaen, F-72085 Cedex 9 Le Mans, France
| | - Mathieu Edely
- Le Mans Université, IMMM UMR-CNRS 6283, Avenue Olivier Messiaen, F-72085 Cedex 9 Le Mans, France
| | - Valerie Bezirard
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France
| | - Eric Gaultier
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France
| | - Bruno Lamas
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France
| | - Eric Houdeau
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France
| | - Erwan Engel
- INRAE, UR QuaPA, MASS Team, F-63122 Saint-Genès-Champanelle, France
| | - Fabienne Lagarde
- Le Mans Université, IMMM UMR-CNRS 6283, Avenue Olivier Messiaen, F-72085 Cedex 9 Le Mans, France
| | - Lucie Etienne-Mesmin
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, F-63000 Clermont-Ferrand, France
| | - Muriel Mercier-Bonin
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France.
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13
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A GABA Receptor Modulator and Semiochemical Compounds Evidenced Using Volatolomics as Candidate Markers of Chronic Exposure to Fipronil in Apis mellifera. Metabolites 2023; 13:metabo13020185. [PMID: 36837804 PMCID: PMC9959115 DOI: 10.3390/metabo13020185] [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: 12/16/2022] [Revised: 01/13/2023] [Accepted: 01/18/2023] [Indexed: 01/28/2023] Open
Abstract
Among the various "omics" approaches that can be used in toxicology, volatolomics is in full development. A volatolomic study was carried out on soil bacteria to validate the proof of concept, and this approach was implemented in a new model organism: the honeybee Apis mellifera. Emerging bees raised in the laboratory in pain-type cages were used. Volatolomics analysis was performed on cuticles, fat bodies, and adhering tissues (abdomens without the digestive tract), after 14 and 21 days of chronic exposure to 0.5 and 1 µg/L of fipronil, corresponding to sublethal doses. The VOCs analysis was processed using an HS-SPME/GC-MS method. A total of 281 features were extracted and tentatively identified. No significant effect of fipronil on the volatolome could be observed after 14 days of chronic exposure. Mainly after 21 days of exposure, a volatolome deviation appeared. The study of this deviation highlighted 11 VOCs whose signal abundances evolved during the experiment. Interestingly, the volatolomics approach revealed a VOC (2,6-dimethylcyclohexanol) that could act on GABA receptor activity (the fipronil target) and VOCs associated with semiochemical activities (pheromones, repellent agents, and compounds related to the Nasonov gland) leading to a potential impact on bee behavior.
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14
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Fournier E, Leveque M, Ruiz P, Ratel J, Durif C, Chalancon S, Amiard F, Edely M, Bezirard V, Gaultier E, Lamas B, Houdeau E, Lagarde F, Engel E, Etienne-Mesmin L, Blanquet-Diot S, Mercier-Bonin M. Microplastics: What happens in the human digestive tract? First evidences in adults using in vitro gut models. JOURNAL OF HAZARDOUS MATERIALS 2023; 442:130010. [PMID: 36182891 DOI: 10.1016/j.jhazmat.2022.130010] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/08/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Microplastics (MPs) are ubiquitous in the environment and humans are inevitably exposed to them. However, the effects of MPs in the human digestive environment are largely unknown. The aim of our study was to investigate the impact of repeated exposure to polyethylene (PE) MPs on the human gut microbiota and intestinal barrier using, under adult conditions, the Mucosal Artificial Colon (M-ARCOL) model, coupled with a co-culture of intestinal epithelial and mucus-secreting cells. The composition of the luminal and mucosal gut microbiota was determined by 16S metabarcoding and microbial activities were characterized by gas, short chain fatty acid, volatolomic and AhR activity analyses. Gut barrier integrity was assessed via intestinal permeability, inflammation and mucin synthesis. First, exposure to PE MPs induced donor-dependent effects. Second, an increase in abundances of potentially harmful pathobionts, Desulfovibrionaceae and Enterobacteriaceae, and a decrease in beneficial bacteria such as Christensenellaceae and Akkermansiaceae were observed. These bacterial shifts were associated with changes in volatile organic compounds profiles, notably characterized by increased indole 3-methyl- production. Finally, no significant impact of PE MPs mediated by changes in gut microbial metabolites was reported on the intestinal barrier. Given these adverse effects of repeated ingestion of PE MPs on the human gut microbiota, studying at-risk populations like infants would be a valuable advance.
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Affiliation(s)
- Elora Fournier
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, F-63000 Clermont-Ferrand, France; Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France
| | - Mathilde Leveque
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France
| | - Philippe Ruiz
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, F-63000 Clermont-Ferrand, France
| | - Jeremy Ratel
- INRAE, UR QuaPA, F-63122 Saint-Genès-Champanelle, France
| | - Claude Durif
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, F-63000 Clermont-Ferrand, France
| | - Sandrine Chalancon
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, F-63000 Clermont-Ferrand, France
| | - Frederic Amiard
- Le Mans Université, IMMM UMR-CNRS 6283, Avenue Olivier Messiaen, F-72085, Le Mans Cedex 9, France
| | - Mathieu Edely
- Le Mans Université, IMMM UMR-CNRS 6283, Avenue Olivier Messiaen, F-72085, Le Mans Cedex 9, France
| | - Valerie Bezirard
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France
| | - Eric Gaultier
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France
| | - Bruno Lamas
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France
| | - Eric Houdeau
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France
| | - Fabienne Lagarde
- Le Mans Université, IMMM UMR-CNRS 6283, Avenue Olivier Messiaen, F-72085, Le Mans Cedex 9, France
| | - Erwan Engel
- INRAE, UR QuaPA, F-63122 Saint-Genès-Champanelle, France
| | - Lucie Etienne-Mesmin
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, F-63000 Clermont-Ferrand, France
| | | | - Muriel Mercier-Bonin
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, F-31000 Toulouse, France.
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15
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Polyphenols: a route from bioavailability to bioactivity addressing potential health benefits to tackle human chronic diseases. Arch Toxicol 2023; 97:3-38. [PMID: 36260104 DOI: 10.1007/s00204-022-03391-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 09/26/2022] [Indexed: 02/07/2023]
Abstract
Chronic pathologies or non-communicable diseases (NCDs) include cardiovascular diseases, metabolic syndrome, neurological diseases, respiratory disorders and cancer. They are the leading global cause of human mortality and morbidity. Given their chronic nature, NCDs represent a growing social and economic burden, hence urging the need for ameliorating the existing preventive strategies, and for finding novel tackling therapies. NCDs are highly correlated with unhealthy lifestyle habits (such as high-fat and high-glucose diet, or sedentary life). In general, lifestyle approaches that might improve these habits, including dietary consumption of fresh vegetables, fruits and fibers, may contrast NCD symptoms and prolong life expectancy of affected people. Polyphenols (PPLs) are plant-derived molecules with demonstrated biological activities in humans, which include: radical scavenging and anti-oxidant activities, capability to modulate inflammation, as well as human enzymes, and even to bind nuclear receptors. For these reasons, PPLs are currently tested, both preclinically and clinically, as dietary adjuvants for the prevention and treatment of NCDs. In this review, we describe the human metabolism and bioactivity of PPLs. Also, we report what is currently known about PPLs interaction with gastro-intestinal enzymes and gut microbiota, which allows their biotransformation in many different metabolites with several biological functions. The systemic bioactivity of PPLs and the newly available PPL-delivery nanosystems are also described in detail. Finally, the up-to-date clinical studies assessing both safety and efficacy of dietary PPLs in individuals with different NCDs are hereby reported. Overall, the clinical results support the notion that PPLs from fruits, vegetables, but also from leaves or seeds extracts, are safe and show significant positive results in ameliorating symptoms and improving the whole quality of life of people with NCDs.
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16
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Deducing the Interplay Between Gut Flora and Respiratory Diseases: A New Therapeutic Strategy? Indian J Microbiol 2022; 63:1-17. [PMID: 36575670 PMCID: PMC9778463 DOI: 10.1007/s12088-022-01051-8] [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: 05/07/2022] [Accepted: 12/02/2022] [Indexed: 12/24/2022] Open
Abstract
The gastrointestinal system, also referred to as the gut, is a universe that colonizes trillions of microbes. In addition to its digestive functions, the gut represents a biosystem that determines all the health vectors. It is now recognized as one of the body's defense systems, and good gut health regulates the body's immune responses. Disturbance of this barrier can trigger many diseases, including respiratory tract infections, as there is a close correlation between the gut microbiome and the chances of triggering illness. This review investigates the various factors affecting the gut microbiome, the diseases that can result from the dysregulation of the same, and their molecular mechanisms. The most basic solution to tackle this problem is to maintain the gut microbiome at the desired level. Timely diagnosis and interventions are needed for the proper management of the ensuing conditions. It is important to address the effects of factors on the gut microbiome and thereby regulate this level. The study also found that dysregulation in the system can lead to various diseases such as asthma, COPD, lung cancer following their respective pathways. In short, this paper reinforces the importance of the gut microbiome, the need to maintain its average level, and the need for proper interventions to treat the consequences. The manuscript posit that medications, diet as well and good physiological conditions of the human body can alter the microbiome and can ward off respiratory infections.
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17
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Thompson KN, Oulhote Y, Weihe P, Wilkinson JE, Ma S, Zhong H, Li J, Kristiansen K, Huttenhower C, Grandjean P. Effects of Lifetime Exposures to Environmental Contaminants on the Adult Gut Microbiome. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:16985-16995. [PMID: 36394280 DOI: 10.1021/acs.est.2c03185] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Emerging experimental evidence indicates that toxicant-induced alterations in gut microbiota composition and activity may affect host homeostasis. However, data from human studies are scarce; to our knowledge, no previous studies have quantified the association of lifetime exposure to environmental chemicals, across multiple time points, with the composition of the adult gut microbiome. Here we studied 124 individuals born in the Faroe Islands in 1986-1987 who were followed approximately every seven years from birth through age 28 years. Organochlorine compounds, including polychlorinated biphenyls (PCBs) and pesticides, perfluoroalkyl substances (PFAS), and mercury (Hg), were measured in cord blood and longitudinally in participants' blood. At age 28, the gut microbiome was assessed using shotgun metagenomic sequencing. Historical contaminant exposures had little direct effect on the adult gut microbiome, while a small number of fastidious anaerobes were weakly linked to recent PFAS/PFOS exposures at age 28. In this cohort, our findings suggest no lasting effects of early life exposures on adult gut microbial composition, but proximal exposures may contribute to gut microbiome alterations. The methods developed and used for this investigation may help in future identification of small but lasting impacts of environmental toxicant exposure on the gut microbiome.
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Affiliation(s)
- Kelsey N Thompson
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts 02115, United States
- Infectious Disease and Microbiome Program, Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, United States
- Harvard Chan Microbiome in Public Health Center, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Youssef Oulhote
- Department of Biostatistics and Epidemiology, School of Public Health and Health Sciences, University of Massachusetts at Amherst, Amherst, Massachusetts 01003, United States
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts 02115, United States
| | - Pal Weihe
- University of the Faroe Islands, Tórshavn 100, Faroe Islands
| | - Jeremy E Wilkinson
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts 02115, United States
- Harvard Chan Microbiome in Public Health Center, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Siyuan Ma
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts 02115, United States
- Infectious Disease and Microbiome Program, Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, United States
- Harvard Chan Microbiome in Public Health Center, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Huanzi Zhong
- Institute of Metagenomics, BGI-Shenzhen, Shenzhen 518083, China
| | - Junhua Li
- Institute of Metagenomics, BGI-Shenzhen, Shenzhen 518083, China
| | - Karsten Kristiansen
- Institute of Metagenomics, BGI-Shenzhen, Shenzhen 518083, China
- Department of Biology, University of Copenhagen, 2200 København, Denmark
- Institute of Metagenomics, Qingdao-Europe Advanced Institute for Life Sciences, Qingdao 266426, China
| | - Curtis Huttenhower
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts 02115, United States
- Infectious Disease and Microbiome Program, Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, United States
- Harvard Chan Microbiome in Public Health Center, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115, United States
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Philippe Grandjean
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts 02115, United States
- Department of Public Health, University of Southern Denmark, DK-5230 Odense M, Denmark
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18
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Saeed M, Shoaib A, Kandimalla R, Javed S, Almatroudi A, Gupta R, Aqil F. Microbe-based therapies for colorectal cancer: Advantages and limitations. Semin Cancer Biol 2022; 86:652-665. [PMID: 34020027 DOI: 10.1016/j.semcancer.2021.05.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 04/06/2021] [Accepted: 05/14/2021] [Indexed: 01/27/2023]
Abstract
Cancer is one of the leading global causes of death in both men and women. Colorectal cancer (CRC) alone accounts for ∼10 % of total new global cases and poses an over 4% lifetime risk of developing cancer. Recent advancements in the field of biotechnology and microbiology concocted novel microbe-based therapies to treat various cancers, including CRC. Microbes have been explored for human use since centuries, especially for the treatment of various ailments. The utility of microbes in cancer therapeutics is widely explored, and various bacteria, fungi, and viruses are currently in use for the development of cancer therapeutics. The human gut hosts about 100 trillion microbes that release their metabolites in active, inactive, or dead conditions. Microbial secondary metabolites, proteins, immunotoxins, and enzymes are used to target cancer cells to induce cell cycle arrest, apoptosis, and death. Various approaches, such as dietary interventions, the use of prebiotics and probiotics, and fecal microbiota transplantation have been used to modulate the gut microbiota in order to prevent or treat CRC pathogenesis. The present review highlights the role of the gut microbiota in CRC precipitation, the potential mechanisms and use of microorganisms as CRC biomarkers, and strategies to modulate microbiota for the prevention and treatment of CRC.
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Affiliation(s)
- Mohd Saeed
- Department of Biology, College of Sciences, University of Hail, Hail, Saudi Arabia
| | - Ambreen Shoaib
- Department of Clinical Pharmacy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Raghuram Kandimalla
- James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA; Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY 40202, USA
| | - Shamama Javed
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Ahmad Almatroudi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Qassim 51431, Saudi Arabia
| | - Ramesh Gupta
- James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA; Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY 40202, USA
| | - Farrukh Aqil
- James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA; Department of Medicine, University of Louisville, Louisville, KY 40202, USA.
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19
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Zapico A, Arboleya S, Ruiz-Saavedra S, Gómez-Martín M, Salazar N, Nogacka AM, Gueimonde M, de los Reyes-Gavilán CG, González S. Dietary xenobiotics, (poly)phenols and fibers: Exploring associations with gut microbiota in socially vulnerable individuals. Front Nutr 2022; 9:1000829. [PMID: 36313092 PMCID: PMC9597247 DOI: 10.3389/fnut.2022.1000829] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 09/19/2022] [Indexed: 11/18/2022] Open
Abstract
Objectives Although xenobiotics derived from food processing may cause modifications in the composition of the gut microbiota (GM) evidence is scarce. The aim of this study is to evaluate the impact of potential dietary carcinogens as heterocyclic amines (HAs), polycyclic aromatic hydrocarbons (PAHs), nitrates, nitrites, nitroso compounds and acrylamide, in combination to fibers (poly)phenols on the GM composition in a group of materially deprived subjects. Study design Transversal observational study in a sample of 19 subjects recipients of Red Cross food aid. Dietary information was recorded by means of 3 non-consecutive 24 h recalls. Questions focused on the type of cooking and the extent of cooking and roasting were included. Information on potential carcinogens was mainly obtained from the European Prospective Investigation into Cancer and Nutrition (EPIC) and Computerized Heterocyclic Amines Resource for Research in Epidemiology of Disease (CHARRED) Carcinogen Databases. Microbial composition was determined by 16S ribosomal RNA gene sequencing in fecal samples. Results Higher levels of Lachnospiraceae and Eggerthellaceae families were found in individuals consuming less than 50 ng/day of 2-amino-3,8 dimethylimidazo (4,5,f) quinoxaline (MeIQx) (considered as lower risk dose for colorectal adenoma) while those consuming more than 40 ng/day of 2-amino-1-methyl-6-phenylimidazo (4,5,b) pyridine (PhIP) (higher risk for colorectal adenoma) showed lower relative abundance of Muribaculaceae and greater presence of Streptococcaceae and Eubacterium coprostanoligenes group. Conclusion The associations identified between diet and processing by-products on GM in this study could be used as potential targets for the designing of dietary interventions tailored to this collective.
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Affiliation(s)
- Aida Zapico
- Department of Functional Biology, University of Oviedo, Oviedo, Spain,Diet Microbiota and Health Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - Silvia Arboleya
- Diet Microbiota and Health Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain,Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Villaviciosa, Spain
| | - Sergio Ruiz-Saavedra
- Department of Functional Biology, University of Oviedo, Oviedo, Spain,Diet Microbiota and Health Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - María Gómez-Martín
- Department of Functional Biology, University of Oviedo, Oviedo, Spain,Diet Microbiota and Health Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - Nuria Salazar
- Diet Microbiota and Health Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain,Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Villaviciosa, Spain
| | - Alicja M. Nogacka
- Diet Microbiota and Health Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain,Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Villaviciosa, Spain
| | - Miguel Gueimonde
- Diet Microbiota and Health Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain,Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Villaviciosa, Spain
| | - Clara G. de los Reyes-Gavilán
- Diet Microbiota and Health Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain,Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Villaviciosa, Spain,*Correspondence: Clara G. de los Reyes-Gavilán,
| | - Sonia González
- Department of Functional Biology, University of Oviedo, Oviedo, Spain,Diet Microbiota and Health Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain,Sonia González,
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20
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Sandys O, Te Velde A. Raising the Alarm: Environmental Factors in the Onset and Maintenance of Chronic (Low-Grade) Inflammation in the Gastrointestinal Tract. Dig Dis Sci 2022; 67:4355-4368. [PMID: 34981314 DOI: 10.1007/s10620-021-07327-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 11/10/2021] [Indexed: 12/12/2022]
Abstract
Chronic inflammatory disease of the gastrointestinal (GI) tract is defined by several pathophysiological characteristics, such as dysbiosis of the microbiota, epithelial barrier hyperpermeability, systemic dissemination of endotoxins and chronic inflammation. In addition to well-reported environmental factors in non-communicable disease, such as smoking, diet, and exercise, humans are frequently exposed to myriads more environmental factors, from pesticides to food additives. Such factors are ubiquitous across both our diet and indoor/outdoor environments. A major route of human exposure to these factors is ingestion, which frequently occurs due to their intentional addition (intentional food additives) and/or unintentional contamination (unintentional food contaminants) of food products-often linked to environmental pollution. Understanding how this persistent, diverse exposure impacts GI health is of paramount importance, as deterioration of the GI barrier is proposed to be the first step towards systemic inflammation and chronic disease. Therefore, we aim to evaluate the impact of ingestion of environmental factors on inflammatory processes in the GI tract. In this review, we highlight human exposure to intentional food additives (e.g. emulsifiers, bulking agents) and unintentional food contaminants (e.g. persistent organic pollutants, pesticides, microplastics), then present evidence for their association with chronic disease, modification of the GI microbiota, increased permeability of the GI barrier, systemic dissemination of endotoxins, local (and distal) pro-inflammatory signalling, and induction of oxidative stress and/or endoplasmic reticulum stress. We also propose a link to NLRP3-inflammasome activation. These findings highlight the contribution of common environmental factors towards deterioration of GI health and the induction of pathophysiology associated with onset and maintenance of chronic inflammation in the GI tract.
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Affiliation(s)
- Oliver Sandys
- Amsterdam UMC, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research, AGEM, Amsterdam, The Netherlands
- Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Anje Te Velde
- Amsterdam UMC, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research, AGEM, Amsterdam, The Netherlands.
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21
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Pravda J. Evidence-based pathogenesis and treatment of ulcerative colitis: A causal role for colonic epithelial hydrogen peroxide. World J Gastroenterol 2022; 28:4263-4298. [PMID: 36159014 PMCID: PMC9453768 DOI: 10.3748/wjg.v28.i31.4263] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/19/2022] [Accepted: 07/22/2022] [Indexed: 02/06/2023] Open
Abstract
In this comprehensive evidence-based analysis of ulcerative colitis (UC), a causal role is identified for colonic epithelial hydrogen peroxide (H2O2) in both the pathogenesis and relapse of this debilitating inflammatory bowel disease. Studies have shown that H2O2 production is significantly increased in the non-inflamed colonic epithelium of individuals with UC. H2O2 is a powerful neutrophilic chemotactic agent that can diffuse through colonic epithelial cell membranes creating an interstitial chemotactic molecular “trail” that attracts adjacent intravascular neutrophils into the colonic epithelium leading to mucosal inflammation and UC. A novel therapy aimed at removing the inappropriate H2O2 mediated chemotactic signal has been highly effective in achieving complete histologic resolution of colitis in patients experiencing refractory disease with at least one (biopsy-proven) histologic remission lasting 14 years to date. The evidence implies that therapeutic intervention to prevent the re-establishment of a pathologic H2O2 mediated chemotactic signaling gradient will indefinitely preclude neutrophilic migration into the colonic epithelium constituting a functional cure for this disease. Cumulative data indicate that individuals with UC have normal immune systems and current treatment guidelines calling for the suppression of the immune response based on the belief that UC is caused by an underlying immune dysfunction are not supported by the evidence and may cause serious adverse effects. It is the aim of this paper to present experimental and clinical evidence that identifies H2O2 produced by the colonic epithelium as the causal agent in the pathogenesis of UC. A detailed explanation of a novel therapeutic intervention to normalize colonic H2O2, its rationale, components, and formulation is also provided.
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Affiliation(s)
- Jay Pravda
- Disease Pathogenesis, Inflammatory Disease Research Centre, Palm Beach Gardens, FL 33410, United States
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22
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Drovetski SV, Schmidt BK, Lai JE, Gross MS, Hladik ML, Matterson KO, Karouna-Renier NK. Exposure to crop production alters cecal prokaryotic microbiota, inflates virulome and resistome in wild prairie grouse. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 306:119418. [PMID: 35526643 DOI: 10.1016/j.envpol.2022.119418] [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: 12/14/2021] [Revised: 04/29/2022] [Accepted: 05/02/2022] [Indexed: 06/14/2023]
Abstract
Chemically intensive crop production depletes wildlife food resources, hinders animal development, health, survival, and reproduction, and it suppresses wildlife immune systems, facilitating emergence of infectious diseases with excessive mortality rates. Gut microbiota is crucial for wildlife's response to environmental stressors. Its composition and functionality are sensitive to diet changes and environmental pollution associated with modern crop production. In this study we use shotgun metagenomics (median 8,326,092 sequences/sample) to demonstrate that exposure to modern crop production detrimentally affects cecal microbiota of sharp-tailed grouse (Tympanuchus phasianellus: 9 exposed, 18 unexposed and greater prairie chickens (T. cupido; 11, 11). Exposure to crop production had greater effect on microbiota richness (t = 6.675, P < 0.001) and composition (PERMANOVA r2 = 0.212, P = 0.001) than did the host species (t = 4.762, P < 0.001; r2 = 0.070, P = 0.001) or their interaction (t = 3.449; r2 = 0.072, both P = 0.001), whereas sex and age had no effect. Although microbiota richness was greater in exposed (T. cupido chao1 = 152.8 ± 20.5; T. phasianellus 115.3 ± 17.1) than in unexposed (102.9 ± 15.1 and 101.1 ± 17.2, respectively) birds, some beneficial bacteria dropped out of exposed birds' microbiota or declined and were replaced by potential pathogens. Exposed birds also had higher richness and load of virulome (mean ± standard deviation; T. cupido 24.8 ± 10.0 and 10.1 ± 5.5, respectively; T. phasianellus 13.4 ± 6.8/4.9 ± 2.8) and resistome (T. cupido 46.8 ± 11.7/28.9 ± 10.2, T. phasianellus 38.3 ± 16.7/18.9 ± 14.2) than unexposed birds (T. cupido virulome: 14.2 ± 13.5, 4.5 ± 4.2; T. cupido resistome: 31.6 ± 20.2 and 13.1 ± 12.0; T. phasianellus virulome: 5.2 ± 4.7 and 1.4 ± 1.5; T. phasianellus resistome: 13.7 ± 16.1 and 4.0 ± 6.4).
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Affiliation(s)
- Serguei V Drovetski
- U.S. Geological Survey, Eastern Ecological Science Center at the Patuxent Research Refuge, Beltsville, MD, 20705, USA.
| | - Brian K Schmidt
- Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC, 20013, USA.
| | - Jonas E Lai
- U.S. Geological Survey, Eastern Ecological Science Center at the Patuxent Research Refuge, Beltsville, MD, 20705, USA.
| | - Michael S Gross
- U.S. Geological Survey, California Water Science Center, Sacramento, CA, 95819, USA.
| | - Michelle L Hladik
- U.S. Geological Survey, California Water Science Center, Sacramento, CA, 95819, USA.
| | - Kenan O Matterson
- U.S. Geological Survey, Eastern Ecological Science Center at the Patuxent Research Refuge, Beltsville, MD, 20705, USA.
| | - Natalie K Karouna-Renier
- U.S. Geological Survey, Eastern Ecological Science Center at the Patuxent Research Refuge, Beltsville, MD, 20705, USA.
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23
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Giambò F, Costa C, Teodoro M, Fenga C. Role-Playing Between Environmental Pollutants and Human Gut Microbiota: A Complex Bidirectional Interaction. Front Med (Lausanne) 2022; 9:810397. [PMID: 35252248 PMCID: PMC8888443 DOI: 10.3389/fmed.2022.810397] [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: 11/06/2021] [Accepted: 01/18/2022] [Indexed: 12/12/2022] Open
Abstract
There is a growing interest in the characterization of the involvement of toxicant and pollutant exposures in the development and the progression of several diseases such as obesity, diabetes, cancer, as well as in the disruption of the immune and reproductive homeostasis. The gut microbiota is considered a pivotal player against the toxic properties of chemicals with the establishment of a dynamic bidirectional relationship, underlining the toxicological significance of this mutual interplay. In fact, several environmental chemicals have been demonstrated to affect the composition, the biodiversity of the intestinal microbiota together with the underlining modulated metabolic pathways, which may play an important role in tailoring the microbiotype of an individual. In this review, we aimed to discuss the latest updates concerning the environmental chemicals–microbiota dual interaction, toward the identification of a distinctiveness of the gut microbial community, which, in turn, may allow to adopt personalized preventive strategies to improve risk assessment for more susceptible workers.
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Affiliation(s)
- Federica Giambò
- Occupational Medicine Section, Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Chiara Costa
- Clinical and Experimental Medicine Department, University of Messina, Messina, Italy
| | - Michele Teodoro
- Occupational Medicine Section, Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Concettina Fenga
- Occupational Medicine Section, Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
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24
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An Entity Relation Extraction Method for Few-Shot Learning on the Food Health and Safety Domain. COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 2022; 2022:1879483. [PMID: 35237307 PMCID: PMC8885244 DOI: 10.1155/2022/1879483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 01/27/2022] [Indexed: 12/02/2022]
Abstract
In recent years, entity relation extraction has been a critical technique to help people analyze complex structured text data. However, there is no advanced research in food health and safety to help people analyze the complex concepts between food and human health and their relationships. This paper proposes an entity relation extraction method FHER for the few-shot learning in the food health and safety domain. For few-shot learning in the food health and safety domain, we propose three methods that effectively improve the performance of entity relationship extraction. The three methods are applied to the self-built data sets FH and MHD. The experimental results show that the method can effectively extract domain-related entities and their relations in a small sample size environment.
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25
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Li W, Chen X, Li M, Cai Z, Gong H, Yan M. Microplastics as an aquatic pollutant affect gut microbiota within aquatic animals. JOURNAL OF HAZARDOUS MATERIALS 2022; 423:127094. [PMID: 34530278 DOI: 10.1016/j.jhazmat.2021.127094] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/18/2021] [Accepted: 08/29/2021] [Indexed: 05/27/2023]
Abstract
The adverse impact of microplastics (MPs) on gut microbiota within aquatic animals depends on the overall effect of chemicals and biofilm of MPs. Thus, it is ideal to fully understand the influences that arise from each or even all of these characteristics, which should give us a whole picture of consequences that are brought by MPs. Harmful effects of MPs on gut microbiota within aquatic organisms start from the ingestion of MPs by aquatic organisms. According to this, the present review will discuss the ingestion of MPs and its following results on gut microbial communities within aquatic animals, in which chemical components, such as plastic polymers, heavy metals and POPs, and the biofilm of MPs would be involved. This review firstly analyzed the impacts of MPs on aquatic organisms in detail about its chemical components and biofilm based on previous relevant studies. At last, the significance of field studies, functional studies and complex dynamics of gut microbial ecology in the future research of MPs affecting gut microbiota is discussed.
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Affiliation(s)
- Weixin Li
- College of Marine Sciences, South China Agricultural University, Guangzhou 510641, China
| | - Xiaofeng Chen
- College of Marine Sciences, South China Agricultural University, Guangzhou 510641, China
| | - Minqian Li
- College of Marine Sciences, South China Agricultural University, Guangzhou 510641, China
| | - Zeming Cai
- College of Marine Sciences, South China Agricultural University, Guangzhou 510641, China
| | - Han Gong
- College of Marine Sciences, South China Agricultural University, Guangzhou 510641, China.
| | - Muting Yan
- College of Marine Sciences, South China Agricultural University, Guangzhou 510641, China; Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong.
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26
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Cheng KW, Tseng CH, Chen IJ, Huang BC, Liu HJ, Ho KW, Lin WW, Chuang CH, Huang MY, Leu YL, Roffler SR, Wang JY, Chen YL, Cheng TL. Inhibition of gut microbial β-glucuronidase effectively prevents carcinogen-induced microbial dysbiosis and intestinal tumorigenesis. Pharmacol Res 2022; 177:106115. [PMID: 35124207 DOI: 10.1016/j.phrs.2022.106115] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 01/13/2022] [Accepted: 02/01/2022] [Indexed: 01/11/2023]
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27
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Yuan YZ, Ye C, Sun JH, Hu MY, Huo SJ, Zhu YT, Xiang SY, Yu SQ. Toxicokinetics of mono-(2-ethylhexyl) phthalate with low-dose exposure applying fluorescence tracing technique. Toxicol Appl Pharmacol 2022; 434:115814. [PMID: 34843800 DOI: 10.1016/j.taap.2021.115814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 11/22/2021] [Accepted: 11/23/2021] [Indexed: 11/19/2022]
Abstract
Di(2-ethylhexyl) phthalate (DEHP) belongs to environmental endocrine disrupting chemicals (EEDCs) and can be rapidly hydrolyzed into the ultimate toxicant mono-2-ethylhexyl phthalate (MEHP). In this study, we used 5-aminofluorescein modified MEHP (MEHP-AF) as a fluorescence tracer to explore the toxicokinetics, including toxicokinetic parameters, absorption and transport across the intestinal mucosal barrier, distribution and pathological changes of organs. While the dose was as lower than 10 mg/kg by intragastric administration, the toxicokinetic parameters obtained by fluorescence microplate method were similar to those with the literatures by chromatography. MEHP-AF can be rapidly absorbed through the intestinal mucosal barrier in rats. In situ organ distribution in mice showed that MEHP-AF was mainly concentrated in the liver, kidney and testis. Our results suggested that the fluorescence tracing technique had the advantages with easy processing, less time-consuming, higher sensitivity for the quantitative determination, In addition, this technology also avoids the interference of exogenous or endogenous DEHP and MEHP in the experimental system. It also can be utilized to the visualization detection of MEHP in situ localization in the absorption organ and the toxic target organ. The results show that this may be a more feasible MEHP toxicological research method.
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Affiliation(s)
- Yi-Zhen Yuan
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210046, People's Republic of China
| | - Chong Ye
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210046, People's Republic of China
| | - Jia-Hui Sun
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210046, People's Republic of China
| | - Meng-Yuan Hu
- College of Food and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210046, People's Republic of China
| | - Shao-Jie Huo
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210046, People's Republic of China
| | - Yu-Ting Zhu
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210046, People's Republic of China
| | - Su-Yun Xiang
- College of Food and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210046, People's Republic of China.
| | - Shu-Qin Yu
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210046, People's Republic of China.
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28
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Wan JY, Wan JX, Wang S, Wang X, Guo W, Ma H, Wu Y, Wang CZ, Qi LW, Li P, Yao H, Yuan CS. Chemical profiling of root bark extract from Oplopanax elatus and its in vitro biotransformation by human intestinal microbiota. PeerJ 2021; 9:e12513. [PMID: 34900430 PMCID: PMC8627129 DOI: 10.7717/peerj.12513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 10/27/2021] [Indexed: 11/20/2022] Open
Abstract
Oplopanax elatus (Nakai) Nakai, in the Araliaceae family, has been used in traditional Chinese medicine (TCM) to treat diseases as an adaptogen for thousands of years. This study established an ultra-performance liquid chromatography coupled with quadrupole time-of-flight tandem mass spectrometry (UPLC-Q-TOF/MS) method to identify chemical components and biotransformation metabolites of root bark extract from O. elatus. A total of 18 compounds were characterized in O. elatus extract, and 62 metabolites by human intestinal microbiota were detected. Two polyynes, falcarindiol and oplopandiol were recognized as the main components of O. elatus, whose metabolites are further illustrated. Several metabolic pathways were proposed to generate the detected metabolites, including methylation, hydrogenation, demethylation, dehydroxylation, and hydroxylation. These findings indicated that intestinal microbiota might play an essential role in mediating the bioactivity of O. elatus.
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Affiliation(s)
- Jin-Yi Wan
- School of Traditional Chinese Medicine & National Institute of TCM Constitution and Preventive Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jing-Xuan Wan
- School of Traditional Chinese Medicine & National Institute of TCM Constitution and Preventive Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Shilei Wang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
| | - Xiaolu Wang
- School of Traditional Chinese Medicine & National Institute of TCM Constitution and Preventive Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Wenqian Guo
- School of Traditional Chinese Medicine & National Institute of TCM Constitution and Preventive Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Han Ma
- School of Traditional Chinese Medicine & National Institute of TCM Constitution and Preventive Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yuqi Wu
- School of Traditional Chinese Medicine & National Institute of TCM Constitution and Preventive Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Chong-Zhi Wang
- Tang Center for Herbal Medicine Research & Department of Anesthesia and Critical Care, University of Chicago, Chicago, IL, USA
| | - Lian-Wen Qi
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
| | - Ping Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
| | - Haiqiang Yao
- School of Traditional Chinese Medicine & National Institute of TCM Constitution and Preventive Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Chun-Su Yuan
- Tang Center for Herbal Medicine Research & Department of Anesthesia and Critical Care, University of Chicago, Chicago, IL, USA
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29
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Planche C, Ratel J, Mercier F, Zhang C, Angénieux M, Blinet P, Marchand P, Dervilly G, Albert I, Tressou J, Debrauwer L, Engel E. In vitro assessment of polychlorinated biphenyl bioaccessibility in meat: Influence of fat content, cooking level and consumer age on consumer uptake. Food Chem 2021; 374:131623. [PMID: 34872793 DOI: 10.1016/j.foodchem.2021.131623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 10/08/2021] [Accepted: 11/13/2021] [Indexed: 11/20/2022]
Abstract
In a risk assessment perspective, this work aims to assess the bioaccessibility of PCBs in meat. A standardised in vitro static digestion protocol was set up and coupled with extraction, clean-up and GC × GC-ToF/MS multianalyte method to monitor the fate of PCBs in meat during digestion. Starting with spiked meat, PCB bioaccessibility in 11% fat medium-cooked meat varied in adults from 20.6% to 30.5% according to congeners. PCB bioaccessibility increased to 44.2-50.1% in 5% fat meat and decreased to 6.2-9.1% and to 14.6-19.4% in digestion conditions mimicking infants and elderly, respectively. Intense cooking also decreased PCB bioaccessibility to 18.0-26.7%. Bioaccessibility data obtained with spiked meat were validated with measurements carried out in incurred meat samples. Finally, mean uptake distributions are obtained from a modular Bayesian approach. These distributions feature a lower mode when the fat content is higher, the meat is well-done cooked, and the consumers are older.
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Affiliation(s)
- Christelle Planche
- MASS Group, UR QuaPA, INRAE, F-63122 Saint-Genès-Champanelle, France; Toxalim, Université de Toulouse, INRAE, ENVT, INP-EI-Purpan, Université de Toulouse 3 Paul Sabatier, F-31027 Toulouse, France; Axiom Platform, UMR Toxalim, MetaToul-MetaboHUB, National Infrastructure of Metabolomics and Fluxomics, F-31027, France
| | - Jérémy Ratel
- MASS Group, UR QuaPA, INRAE, F-63122 Saint-Genès-Champanelle, France
| | - Frédéric Mercier
- MASS Group, UR QuaPA, INRAE, F-63122 Saint-Genès-Champanelle, France
| | - Cheng Zhang
- MASS Group, UR QuaPA, INRAE, F-63122 Saint-Genès-Champanelle, France
| | - Magaly Angénieux
- MASS Group, UR QuaPA, INRAE, F-63122 Saint-Genès-Champanelle, France
| | - Patrick Blinet
- MASS Group, UR QuaPA, INRAE, F-63122 Saint-Genès-Champanelle, France
| | | | | | - Isabelle Albert
- UMR MIA, INRAE, AgroParisTech, Université Paris Saclay, Paris 518, Paris, France
| | - Jessica Tressou
- UMR MIA, INRAE, AgroParisTech, Université Paris Saclay, Paris 518, Paris, France
| | - Laurent Debrauwer
- Toxalim, Université de Toulouse, INRAE, ENVT, INP-EI-Purpan, Université de Toulouse 3 Paul Sabatier, F-31027 Toulouse, France; Axiom Platform, UMR Toxalim, MetaToul-MetaboHUB, National Infrastructure of Metabolomics and Fluxomics, F-31027, France
| | - Erwan Engel
- MASS Group, UR QuaPA, INRAE, F-63122 Saint-Genès-Champanelle, France.
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Castillo CR, Alishahedani ME, Gough P, Chaudhary PP, Yadav M, Matriz J, Myles IA. Assessing the effects of common topical exposures on skin bacteria associated with atopic dermatitis. SKIN HEALTH AND DISEASE 2021; 1. [PMID: 34723253 PMCID: PMC8555759 DOI: 10.1002/ski2.41] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Background While patients and families struggling with atopic dermatitis (AD) have documented concerns for a contributory role of skin care products in AD pathology, nearly all the skin microbiome studies to date have asked participants to avoid topical products (such as soaps or select medications) for the preceding days to weeks prior to sample collection. Thus, given the established role of the microbiome in AD, the interactions between topical exposures, dysbiosis and AD remains underrepresented in the academic literature. Objectives To address this knowledge gap, we expanded our previous evaluations to test the toxicological effects of a broader range of common chemicals, AD treatment lotions, creams and ointments using both health- and AD-associated strains of Roseomonas mucosa and Staphylococcus spp. Methods Use of in vitro culture techniques and mouse models were deployed to identify chemicals with dysbiotic or pre-biotic potential. A proof-of-concept study was subsequently performed in healthy volunteers to assess global microbiome shifts after exposure to select chemicals using dermatologic patch testing. Results Numerous chemicals possessed antibiotic properties, including many not marketed as anti-microbials. Through targeted combination of potentially beneficial chemicals, we identified combinations which promoted the growth of health-associated isolates over disease-associated strains in bacterial culture and enhanced microbe-specific outcomes in an established mouse model of AD; the most promising of which was the combination of citral and colophonium (often sold as lemon myrtle oil and pine tar). Additional studies would likely further optimize the combination of ingredients use. Similar results were seen in the proof-of-concept human studies. Conclusions Our results could offer a systematic, multiplex approach to identify which products carry dysbiotic potential and thus may guide formulation of new topicals to benefit patients with AD.
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Affiliation(s)
- C R Castillo
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Maryland, USA
| | - M E Alishahedani
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Maryland, USA
| | - P Gough
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Maryland, USA
| | - P P Chaudhary
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Maryland, USA
| | - M Yadav
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Maryland, USA
| | - J Matriz
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Maryland, USA
| | - I A Myles
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Maryland, USA
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31
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Chen G, Huo X, Luo X, Cheng Z, Zhang Y, Xu X. E-waste polycyclic aromatic hydrocarbon (PAH) exposure leads to child gut-mucosal inflammation and adaptive immune response. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:53267-53281. [PMID: 34031825 DOI: 10.1007/s11356-021-14492-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 05/17/2021] [Indexed: 02/07/2023]
Abstract
Polycyclic aromatic hydrocarbon (PAH) exposure alters immunological responses. Research concerning PAH exposure on intestinal immunity of children in electronic waste (e-waste) areas is scarce. The aim of this study was to evaluate the effects of polycyclic aromatic hydrocarbon (PAH) pollutants on intestinal mucosal immunity of children in e-waste areas. Results showed higher hydroxylated PAH (OH-PAH) concentrations in e-waste-exposed children, accompanied with higher sialyl Lewis A (SLA) level, absolute lymphocyte and monocyte counts, decreased of percentage of CD4+ T cells, and had a higher risk of diarrhea. OH-PAH concentrations were negative with child growth. 1-OHNap mediated through WBCs, along with 1-OHPyr, was correlated with an increase SLA concentration. 2-OHFlu, 1-OHPhe, 2-OHPhe, 1-OHPyr, and 6-OHChr were positively correlated with secretory immunoglobulin A (sIgA) concentration. Our results indicated that PAH pollutants caused inflammation, affected the intestinal epithelium, and led to transformation of microfold cell (M cell). M cells initiating mucosal immune responses and the subsequent increasing sIgA production might be an adaptive immune respond of children in the e-waste areas. To our knowledge, this is the first study of PAH exposure on children intestinal immunity in e-waste area, showing that PAH exposure plays a negative role in child growth and impairs the intestinal immune function.
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Affiliation(s)
- Guangcan Chen
- Laboratory of Environmental Medicine and Developmental Toxicology, Shantou University Medical College, 22 Xinling Rd, Shantou, 515041, Guangdong, China
| | - Xia Huo
- Laboratory of Environmental Medicine and Developmental Toxicology, Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, Guangdong, China
| | - Xiuli Luo
- Laboratory of Environmental Medicine and Developmental Toxicology, Shantou University Medical College, 22 Xinling Rd, Shantou, 515041, Guangdong, China
| | - Zhiheng Cheng
- Laboratory of Environmental Medicine and Developmental Toxicology, Shantou University Medical College, 22 Xinling Rd, Shantou, 515041, Guangdong, China
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - Yuling Zhang
- Laboratory of Environmental Medicine and Developmental Toxicology, Shantou University Medical College, 22 Xinling Rd, Shantou, 515041, Guangdong, China
| | - Xijin Xu
- Laboratory of Environmental Medicine and Developmental Toxicology, Shantou University Medical College, 22 Xinling Rd, Shantou, 515041, Guangdong, China.
- Department of Cell Biology and Genetics, Shantou University Medical College, Shantou, 515041, Guangdong, China.
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32
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Chiu K, Warner G, Nowak RA, Flaws JA, Mei W. The Impact of Environmental Chemicals on the Gut Microbiome. Toxicol Sci 2021; 176:253-284. [PMID: 32392306 DOI: 10.1093/toxsci/kfaa065] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Since the surge of microbiome research in the last decade, many studies have provided insight into the causes and consequences of changes in the gut microbiota. Among the multiple factors involved in regulating the microbiome, exogenous factors such as diet and environmental chemicals have been shown to alter the gut microbiome significantly. Although diet substantially contributes to changes in the gut microbiome, environmental chemicals are major contaminants in our food and are often overlooked. Herein, we summarize the current knowledge on major classes of environmental chemicals (bisphenols, phthalates, persistent organic pollutants, heavy metals, and pesticides) and their impact on the gut microbiome, which includes alterations in microbial composition, gene expression, function, and health effects in the host. We then discuss health-related implications of gut microbial changes, which include changes in metabolism, immunity, and neurological function.
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Affiliation(s)
- Karen Chiu
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802.,Division of Nutritional Sciences, College of Agricultural, Consumer, and Environmental Sciences
| | - Genoa Warner
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802
| | - Romana A Nowak
- Carl R. Woese Institute for Genomic Biology.,Department of Animal Sciences, College of Agricultural, Consumer, and Environmental Sciences, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801
| | - Jodi A Flaws
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802.,Division of Nutritional Sciences, College of Agricultural, Consumer, and Environmental Sciences.,Carl R. Woese Institute for Genomic Biology
| | - Wenyan Mei
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802.,Carl R. Woese Institute for Genomic Biology
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Gresse R, Chaucheyras-Durand F, Garrido JJ, Denis S, Jiménez-Marín A, Beaumont M, Van de Wiele T, Forano E, Blanquet-Diot S. Pathogen Challenge and Dietary Shift Alter Microbiota Composition and Activity in a Mucin-Associated in vitro Model of the Piglet Colon (MPigut-IVM) Simulating Weaning Transition. Front Microbiol 2021; 12:703421. [PMID: 34349744 PMCID: PMC8328230 DOI: 10.3389/fmicb.2021.703421] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 06/24/2021] [Indexed: 12/13/2022] Open
Abstract
Enterotoxigenic Escherichia coli (ETEC) is the principal pathogen responsible for post-weaning diarrhea in newly weaned piglets. Expansion of ETEC at weaning is thought to be the consequence of various stress factors such as transient anorexia, dietary change or increase in intestinal inflammation and permeability, but the exact mechanisms remain to be elucidated. As the use of animal experiments raise more and more ethical concerns, we used a recently developed in vitro model of piglet colonic microbiome and mucobiome, the MPigut-IVM, to evaluate the effects of a simulated weaning transition and pathogen challenge at weaning. Our data suggested that the tested factors impacted the composition and functionality of the MPigut-IVM microbiota. The simulation of weaning transition led to an increase in relative abundance of the Prevotellaceae family which was further promoted by the presence of the ETEC strain. In contrast, several beneficial families such as Bacteroidiaceae or Ruminococcaceae and gut health related short chain fatty acids like butyrate or acetate were reduced upon simulated weaning. Moreover, the incubation of MPigut-IVM filtrated effluents with porcine intestinal cell cultures showed that ETEC challenge in the in vitro model led to an increased expression of pro-inflammatory genes by the porcine cells. This study provides insights about the etiology of a dysbiotic microbiota in post-weaning piglets.
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Affiliation(s)
- Raphaële Gresse
- INRAE, UMR 454 MEDIS, Université Clermont Auvergne, Clermont-Ferrand, France.,Lallemand SAS, Blagnac, France
| | | | - Juan J Garrido
- Grupo de Genómica y Mejora Animal, Departamento de Genética, Facultad de Veterinaria, Universidad de Córdoba, Córdoba, Spain
| | - Sylvain Denis
- INRAE, UMR 454 MEDIS, Université Clermont Auvergne, Clermont-Ferrand, France
| | - Angeles Jiménez-Marín
- Grupo de Genómica y Mejora Animal, Departamento de Genética, Facultad de Veterinaria, Universidad de Córdoba, Córdoba, Spain
| | - Martin Beaumont
- GenPhySE, INRAE, ENVT, Université de Toulouse, Castanet-Tolosan, France
| | - Tom Van de Wiele
- Center for Microbial Ecology and Technology, Ghent University, Ghent, Belgium
| | - Evelyne Forano
- INRAE, UMR 454 MEDIS, Université Clermont Auvergne, Clermont-Ferrand, France
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Association between Polycyclic Aromatic Hydrocarbon Exposure and Diarrhea in Adults. ATMOSPHERE 2021. [DOI: 10.3390/atmos12070919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Objective: Polycyclic aromatic hydrocarbons (PAHs) are not only natural but also anthropogenic contaminants that exist in many places in the environment. Human beings often accidentally ingest PAHs via smoking. Furthermore, smoking may increase the risk of bowel disorder, including diarrhea and other gastrointestinal problems. Therefore, PAH exposure is hypothesized to be related to diarrhea risk. This study discusses the association between diarrhea and PAH exposure in the United States adult population. Method: 10,537 participants from the National Health and Nutrition Examination Survey (NHANES 2001–2006) were involved in this cross-sectional analysis. Bowel disorders were assessed via examination of stool frequency and stool type. The concentrations of urinary PAH metabolites were used to evaluate PAH exposure. The association between bowel habits and PAH exposure was assessed using a multivariate logistic regression model with covariate assessment of gender, age, race, liver function, kidney function, and common chronic health diseases. Results: All PAH metabolites except 1-hydroxynaphthalene, 1-hydroxypyrene, and 9-hydroxyfluorene were substantially correlated with an increased risk of diarrhea (p < 0.05) after modification of relevant covariables. This study also revealed significant association in the group of females (p < 0.05). Furthermore, all PAH metabolites except 1-hydroxynaphthalene, 2-hydroxyphenanthrene, 1-hydroxypyrene, and 9-hydroxyfluorene show significantly positive association in the non-obesity group (BMI < 30, p < 0.05). Conclusions: PAH exposure is highly associated with risk of bowel disorders among the adult population in the United States, especially in female and non-obesity populations. More research is necessary to shed light on the pathophysiological mechanisms associated to PAH exposure and diarrhea.
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Fournier E, Roussel C, Dominicis A, Ley D, Peyron MA, Collado V, Mercier-Bonin M, Lacroix C, Alric M, Van de Wiele T, Chassard C, Etienne-Mesmin L, Blanquet-Diot S. In vitro models of gut digestion across childhood: current developments, challenges and future trends. Biotechnol Adv 2021; 54:107796. [PMID: 34252564 DOI: 10.1016/j.biotechadv.2021.107796] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 07/05/2021] [Accepted: 07/06/2021] [Indexed: 02/08/2023]
Abstract
The human digestion is a multi-step and multi-compartment process essential for human health, at the heart of many issues raised by academics, the medical world and industrials from the food, nutrition and pharma fields. In the first years of life, major dietary changes occur and are concomitant with an evolution of the whole child digestive tract anatomy and physiology, including colonization of gut microbiota. All these phenomena are influenced by child exposure to environmental compounds, such as drugs (especially antibiotics) and food pollutants, but also childhood infections. Due to obvious ethical, regulatory and technical limitations, in vivo approaches in animal and human are more and more restricted to favor complementary in vitro approaches. This review summarizes current knowledge on the evolution of child gut physiology from birth to 3 years old regarding physicochemical, mechanical and microbial parameters. Then, all the available in vitro models of the child digestive tract are described, ranging from the simplest static mono-compartmental systems to the most sophisticated dynamic and multi-compartmental models, and mimicking from the oral phase to the colon compartment. Lastly, we detail the main applications of child gut models in nutritional, pharmaceutical and microbiological studies and discuss the limitations and challenges facing this field of research.
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Affiliation(s)
- Elora Fournier
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, CRNH Auvergne, 63000 Clermont-Ferrand, France; Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, 31000 Toulouse, France
| | - Charlène Roussel
- Laval University, INAF Institute of Nutrition and Functional Foods, G1V 0A6 Quebec, Canada
| | - Alessandra Dominicis
- European Reference Laboratory for E. coli, Istituto Superiore di Sanità, Rome, Italy
| | - Delphine Ley
- Université Lille 2, Faculté de Médecine, Inserm U995 Nutritional Modulation of Infection and Inflammation, 59045 Lille, France
| | - Marie-Agnès Peyron
- Université Clermont Auvergne, INRAE, UNH, Unité de Nutrition Humaine, CRNH Auvergne, 63000 Clermont-Ferrand, France
| | - Valérie Collado
- Université Clermont Auvergne, EA 4847, CROC, Centre de Recherche en Odontologie Clinique, 63000 Clermont-Ferrand, France
| | - Muriel Mercier-Bonin
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, 31000 Toulouse, France
| | - Christophe Lacroix
- Laboratory of Food Biotechnology, Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zürich, Switzerland
| | - Monique Alric
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, CRNH Auvergne, 63000 Clermont-Ferrand, France
| | - Tom Van de Wiele
- Ghent University, Center for Microbial Ecology and Technology (CMET), Coupure Links 653, 9000 Ghent, Belgium
| | - Christophe Chassard
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMRF, 15000 Aurillac, France
| | - Lucie Etienne-Mesmin
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, CRNH Auvergne, 63000 Clermont-Ferrand, France
| | - Stéphanie Blanquet-Diot
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, CRNH Auvergne, 63000 Clermont-Ferrand, France.
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36
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Luo M, Zhou DD, Shang A, Gan RY, Li HB. Influences of food contaminants and additives on gut microbiota as well as protective effects of dietary bioactive compounds. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.05.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Giambò F, Teodoro M, Costa C, Fenga C. Toxicology and Microbiota: How Do Pesticides Influence Gut Microbiota? A Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18115510. [PMID: 34063879 PMCID: PMC8196593 DOI: 10.3390/ijerph18115510] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/07/2021] [Accepted: 05/19/2021] [Indexed: 02/07/2023]
Abstract
In recent years, new targets have been included between the health outcomes induced by pesticide exposure. The gastrointestinal tract is a key physical and biological barrier and it represents a primary site of exposure to toxic agents. Recently, the intestinal microbiota has emerged as a notable factor regulating pesticides’ toxicity. However, the specific mechanisms related to this interaction are not well known. In this review, we discuss the influence of pesticide exposure on the gut microbiota, discussing the factors influencing gut microbial diversity, and we summarize the updated literature. In conclusion, more studies are needed to clarify the host–microbial relationship concerning pesticide exposure and to define new prevention interventions, such as the identification of biomarkers of mucosal barrier function.
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Affiliation(s)
- Federica Giambò
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125 Messina, Italy; (F.G.); (M.T.); (C.F.)
| | - Michele Teodoro
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125 Messina, Italy; (F.G.); (M.T.); (C.F.)
| | - Chiara Costa
- Clinical and Experimental Medicine Department, University of Messina, 98125 Messina, Italy
- Correspondence: ; Tel.: +39-090-2212052
| | - Concettina Fenga
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125 Messina, Italy; (F.G.); (M.T.); (C.F.)
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38
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Utembe W, Kamng'ona AW. Gut microbiota-mediated pesticide toxicity in humans: Methodological issues and challenges in the risk assessment of pesticides. CHEMOSPHERE 2021; 271:129817. [PMID: 33736210 DOI: 10.1016/j.chemosphere.2021.129817] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/20/2021] [Accepted: 01/25/2021] [Indexed: 06/12/2023]
Abstract
Many in vivo and in vitro studies have shown that pesticides can disrupt the functioning of gut microbiota (GM), which can lead to many diseases in humans. While the tests developed by the Organization of Economic Cooperation and Development (OECD) are expected to capture most apical effects resulting from GM disruptions, exclusion of GM in the risk assessment might mischaracterize hazards or overestimate/underestimate risks, especially when extrapolating results from one species to another species or population with a substantially different GM. On the other hand, direct assessment of GM-mediated effects may face challenges in identifying hazards, since not all GM perturbations will lead to human adverse effects. In this regard, reliable and validated biomarkers for common GM-mediated adverse effects may be very useful in the identification of GM-mediated pesticide toxicity. Nevertheless, proving causality of GM-mediated effects will need modifications of Bradford Hill criteria as well as Koch's postulates, which are more suitable for the "one-pathogen" paradigm. Furthermore, risk assessment of GM-mediated effects may require pesticide toxicokinetics along the gut, possibly through modeling, and the establishment of the involvement of GM in the mechanism of action (MOA) of the pesticide. Risk assessment of GM mediated effects also requires the standardization of experimental approaches as well as the establishment of microbial reference communities, since variations exist among GM in human populations.
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Affiliation(s)
- Wells Utembe
- Toxicology Department, National Institute for Occupational Health (a division of the National Health Laboratory Service), Johannesburg, 2000, South Africa; Department of Environmental Heath, Faculty of Health Sciences, University of Johannesburg, Johannesburg, 2000, South Africa.
| | - Arox Wadson Kamng'ona
- Department of Biomedical Sciences, College of Medicine, University Of Malawi, Blantyre, Malawi; Malawi-Liverpool-Wellcome Trust Clinical Research Programme, Blantyre, Malawi
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Isibor PO, Akinduti PA, Aworunse OS, Oyewale JO, Oshamika O, Ugboko HU, Taiwo OS, Ahuekwe EF, Obafemi YD, Onibokun EA, Oziegbe O, Oniha MI, Olopade BK, Atolagbe OM, Adekeye BT, Ajiboye IB, Bello OA, Popoola JO, Ayanda OI, Akinnola OO, Olasehinde GI, Eni AO, Nwinyi OC, Omonhinmin CA, Oranusi SU, Obembe OO. Significance of African Diets in Biotherapeutic Modulation of the Gut Microbiome. Bioinform Biol Insights 2021; 15:11779322211012697. [PMID: 33994782 PMCID: PMC8107938 DOI: 10.1177/11779322211012697] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 04/04/2021] [Indexed: 12/19/2022] Open
Abstract
Diet plays an essential role in human development and growth, contributing to health and well-being. The socio-economic values, cultural perspectives, and dietary formulation in sub-Saharan Africa can influence gut health and disease prevention. The vast microbial ecosystems in the human gut frequently interrelate to maintain a healthy, well-coordinated cellular and humoral immune signalling to prevent metabolic dysfunction, pathogen dominance, and induction of systemic diseases. The diverse indigenous diets could differentially act as biotherapeutics to modulate microbial abundance and population characteristics. Such modulation could prevent stunted growth, malnutrition, induction of bowel diseases, attenuated immune responses, and mortality, particularly among infants. Understanding the associations between specific indigenous African diets and the predictability of the dynamics of gut bacteria genera promises potential biotherapeutics towards improving the prevention, control, and treatment of microbiome-associated diseases such as cancer, inflammatory bowel disease, obesity, type 2 diabetes, and cardiovascular disease. The dietary influence of many African diets (especially grain-base such as millet, maize, brown rice, sorghum, soya, and tapioca) promotes gut lining integrity, immune tolerance towards the microbiota, and its associated immune and inflammatory responses. A fibre-rich diet is a promising biotherapeutic candidate that could effectively modulate inflammatory mediators' expression associated with immune cell migration, lymphoid tissue maturation, and signalling pathways. It could also modulate the stimulation of cytokines and chemokines involved in ensuring balance for long-term microbiome programming. The interplay between host and gut microbial digestion is complex; microbes using and competing for dietary and endogenous proteins are often attributable to variances in the comparative abundances of Enterobacteriaceae taxa. Many auto-inducers could initiate the process of quorum sensing and mammalian epinephrine host cell signalling system. It could also downregulate inflammatory signals with microbiota tumour taxa that could trigger colorectal cancer initiation, metabolic type 2 diabetes, and inflammatory bowel diseases. The exploitation of essential biotherapeutic molecules derived from fibre-rich indigenous diet promises food substances for the downregulation of inflammatory signalling that could be harmful to gut microbiota ecological balance and improved immune response modulation.
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Affiliation(s)
- PO Isibor
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - PA Akinduti
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - OS Aworunse
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - JO Oyewale
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - O Oshamika
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - HU Ugboko
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - OS Taiwo
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - EF Ahuekwe
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - YD Obafemi
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - EA Onibokun
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - O Oziegbe
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - MI Oniha
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - BK Olopade
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - OM Atolagbe
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - BT Adekeye
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - IB Ajiboye
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - OA Bello
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - JO Popoola
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - OI Ayanda
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - OO Akinnola
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - GI Olasehinde
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - AO Eni
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - OC Nwinyi
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - CA Omonhinmin
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - SU Oranusi
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
| | - OO Obembe
- Biotechnology Research Centre, Department of
Biological Sciences, Covenant University, Ota, Nigeria
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From "Leaky Gut" to Impaired Glia-Neuron Communication in Depression. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1305:129-155. [PMID: 33834399 DOI: 10.1007/978-981-33-6044-0_9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
In the last three decades, the robust scientific data emerged, demonstrating that the immune-inflammatory response is a fundamental component of the pathophysiology of major depressive disorder (MDD). Psychological stress and various inflammatory comorbidities contribute to such immune activation. Still, this is not uncommon that patients with depression do not have defined inflammatory comorbidities, and alternative mechanisms of immune activation need to take place. The gastrointestinal (GI) tract, along with gut-associated lymphoid tissue (GALT), constitutes the largest lymphatic organ in the human body and forms the biggest surface of contact with the external environment. It is also the most significant source of bacterial and food-derived antigenic material. There is a broad range of reciprocal interactions between the GI tract, intestinal microbiota, increased intestinal permeability, activation of immune-inflammatory response, and the CNS that has crucial implications in brain function and mental health. This intercommunication takes place within the microbiota-gut-immune-glia (MGIG) axis, and glial cells are the main orchestrator of this communication. A broad range of factors, including psychological stress, inflammation, dysbiosis, may compromise the permeability of this barrier. This leads to excessive bacterial translocation and the excessive influx of food-derived antigenic material that contributes to activation of the immune-inflammatory response and depressive psychopathology. This chapter summarizes the role of increased intestinal permeability in MDD and mechanisms of how the "leaky gut" may contribute to immune-inflammatory response in this disorder.
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Mohajer N, Du CY, Checkcinco C, Blumberg B. Obesogens: How They Are Identified and Molecular Mechanisms Underlying Their Action. Front Endocrinol (Lausanne) 2021; 12:780888. [PMID: 34899613 PMCID: PMC8655100 DOI: 10.3389/fendo.2021.780888] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 10/23/2021] [Indexed: 12/11/2022] Open
Abstract
Adult and childhood obesity have reached pandemic level proportions. The idea that caloric excess and insufficient levels of physical activity leads to obesity is a commonly accepted answer for unwanted weight gain. This paradigm offers an inconclusive explanation as the world continually moves towards an unhealthier and heavier existence irrespective of energy balance. Endocrine disrupting chemicals (EDCs) are chemicals that resemble natural hormones and disrupt endocrine function by interfering with the body's endogenous hormones. A subset of EDCs called obesogens have been found to cause metabolic disruptions such as increased fat storage, in vivo. Obesogens act on the metabolic system through multiple avenues and have been found to affect the homeostasis of a variety of systems such as the gut microbiome and adipose tissue functioning. Obesogenic compounds have been shown to cause metabolic disturbances later in life that can even pass into multiple future generations, post exposure. The rising rates of obesity and related metabolic disease are demanding increasing attention on chemical screening efforts and worldwide preventative strategies to keep the public and future generations safe. This review addresses the most current findings on known obesogens and their effects on the metabolic system, the mechanisms of action through which they act upon, and the screening efforts through which they were identified with. The interplay between obesogens, brown adipose tissue, and the gut microbiome are major topics that will be covered.
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Affiliation(s)
- Nicole Mohajer
- Deparment of Pharmaceutical Sciences, University of California, Irvine, CA, United States
| | - Chrislyn Y. Du
- Deparment of Developmental and Cell Biology, University of California, Irvine, CA, United States
| | - Christian Checkcinco
- Deparment of Developmental and Cell Biology, University of California, Irvine, CA, United States
| | - Bruce Blumberg
- Deparment of Pharmaceutical Sciences, University of California, Irvine, CA, United States
- Deparment of Developmental and Cell Biology, University of California, Irvine, CA, United States
- Deparment of Biomedical Engineering, University of California, Irvine, CA, United States
- *Correspondence: Bruce Blumberg,
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Kong A, Zhang C, Cao Y, Cao Q, Liu F, Yang Y, Tong Z, Rehman MU, Wang X, Huang S. The fungicide thiram perturbs gut microbiota community and causes lipid metabolism disorder in chickens. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 206:111400. [PMID: 33010593 DOI: 10.1016/j.ecoenv.2020.111400] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 07/30/2020] [Accepted: 09/21/2020] [Indexed: 06/11/2023]
Abstract
Fungicide thiram, a representative dithiocarbamate pesticide can cause potential health hazards to humans and animal health due to the residues in various agricultural products. However, the effects of thiram on lipid metabolism by perturbing gut microbiota of chickens are not clear. Our study was aimed to explore the protective of polysaccharide extracted from Morinda officinalis (MOP) on acute thiram-exposed chickens, and to analyze the association between alteration of gut microbiota and lipid metabolism. Three hundred chicks are fed with a normal diet, thiram-treated diet (100 mg/kg), and a thiram-treated diet supplemented with 250, 500, or 1000 mg/kg MOP was used in this study, respectively. The results showed that thiram exposure prominently elevated liver index, changed liver function by histopathological examination and serum biochemistry diagnoses, and increased blood lipid parameters. Meanwhile, the expression level of some key genes in hepatic lipid metabolism dysregulated significantly in the thiram-exposed chickens. Furthermore, 16S rRNA gene sequencing indicated that thiram exposure can significantly alter the richness, diversity, and composition of the broiler fecal microbiota, and the relative abundance of Firmicutes and Proteobacteria was also affected at the phylum level. In addition, some microbial populations including Lactobacillus, Ruminococcus, Oscillospira, Blautia, and Butyricicoccus significantly decreased at the genus level, whereas the Klebsiella was opposite. Correlation analysis further revealed a significant association between microorganisms and lipid metabolism-related parameters. Optimistically, 500 mg/kg MOP can alleviate the damage of thiram in the gut and liver. Together, these data suggest that thiram exposure causes the imbalance of the gut microbiota and hepatic lipid metabolism disorder in chickens.
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Affiliation(s)
- Anan Kong
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, PR China
| | - Cai Zhang
- Laboratory of Environment and Livestock Products, Henan University of Science and Technology, Luoyang 471023, PR China
| | - Yabing Cao
- College of Forestry, Henan Agricultural University, Zhengzhou 450002, PR China
| | - Qinqin Cao
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, PR China
| | - Fang Liu
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, PR China
| | - Yurong Yang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, PR China
| | - Zongxi Tong
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, PR China
| | - Mujeeb Ur Rehman
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, PR China
| | - Xuebing Wang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, PR China.
| | - Shucheng Huang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, PR China.
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Loke YL, Chew MT, Ngeow YF, Lim WWD, Peh SC. Colon Carcinogenesis: The Interplay Between Diet and Gut Microbiota. Front Cell Infect Microbiol 2020; 10:603086. [PMID: 33364203 PMCID: PMC7753026 DOI: 10.3389/fcimb.2020.603086] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 10/28/2020] [Indexed: 12/24/2022] Open
Abstract
Colorectal cancer (CRC) incidence increases yearly, and is three to four times higher in developed countries compared to developing countries. The well-known risk factors have been attributed to low physical activity, overweight, obesity, dietary consumption including excessive consumption of red processed meats, alcohol, and low dietary fiber content. There is growing evidence of the interplay between diet and gut microbiota in CRC carcinogenesis. Although there appears to be a direct causal role for gut microbes in the development of CRC in some animal models, the link between diet, gut microbes, and colonic carcinogenesis has been established largely as an association rather than as a cause-and-effect relationship. This is especially true for human studies. As essential dietary factors influence CRC risk, the role of proteins, carbohydrates, fat, and their end products are considered as part of the interplay between diet and gut microbiota. The underlying molecular mechanisms of colon carcinogenesis mediated by gut microbiota are also discussed. Human biological responses such as inflammation, oxidative stress, deoxyribonucleic acid (DNA) damage can all influence dysbiosis and consequently CRC carcinogenesis. Dysbiosis could add to CRC risk by shifting the effect of dietary components toward promoting a colonic neoplasm together with interacting with gut microbiota. It follows that dietary intervention and gut microbiota modulation may play a vital role in reducing CRC risk.
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Affiliation(s)
- Yean Leng Loke
- Centre for Biomedical Physics, School of Healthcare and Medical Sciences, Sunway University, Petaling Jaya, Malaysia
| | - Ming Tsuey Chew
- Centre for Biomedical Physics, School of Healthcare and Medical Sciences, Sunway University, Petaling Jaya, Malaysia
| | - Yun Fong Ngeow
- Faculty of Medicine and Health Sciences, Universiti Tunku Abdul Rahman, Kajang, Malaysia.,Centre for Research on Communicable Diseases, Universiti Tunku Abdul Rahman, Kajang, Malaysia
| | - Wendy Wan Dee Lim
- Department of Gastroenterology, Sunway Medical Centre, Petaling Jaya, Malaysia
| | - Suat Cheng Peh
- Ageing Health and Well-Being Research Centre, Sunway University, Petaling Jaya, Malaysia.,Department of Medical Sciences, School of Healthcare and Medical Sciences, Sunway University, Petaling Jaya, Malaysia
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Sharma A, Shukla A, Attri K, Kumar M, Kumar P, Suttee A, Singh G, Barnwal RP, Singla N. Global trends in pesticides: A looming threat and viable alternatives. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 201:110812. [PMID: 32512419 DOI: 10.1016/j.ecoenv.2020.110812] [Citation(s) in RCA: 149] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 05/19/2020] [Accepted: 05/24/2020] [Indexed: 06/11/2023]
Abstract
Pesticides are widely used chemical compounds in agriculture to destroy insects, pests and weeds. In modern era, they form an indispensable part of agricultural and health practices. Globally, nearly 3 billion kg of pesticides are used every year with a budget of ~40 billion USD. This extensive usage has increased the crop yield as well as led to significant reduction in harvest losses and thereby, enhanced food availability. On the other hand, indiscriminate usage of these chemicals has led to several environmental implications and caused adverse effects on human health. Epidemiological evidences have revealed the harmful effects of pesticides exposure on various organs including liver, brain, lungs and colon. Recent investigations have shown that pesticides can also lead to fatal consequences such as cancer among individuals. These chemicals enter ecosystem, thus hampering the sensitive environmental equilibrium through bio-accumulation. Due to their non-biodegradable nature, they can persist in nature for years and are regarded as potent biohazard. Worldwide, very few surveillance methods have been considered, which can bring awareness among the individuals, therefore the present review is an attempt to delineate consequences induced by various types of pesticide exposure on the environment. Further, the prospective of biopesticides use could facilitate the increase of crop production without compromising human health.
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Affiliation(s)
- Akanksha Sharma
- Department of Biophysics, Panjab University, Chandigarh, 160014, India; UIPS, Panjab University, Chandigarh, 160014, India
| | - Ananya Shukla
- Department of Biophysics, Panjab University, Chandigarh, 160014, India; Department of Biochemistry, Panjab University, Chandigarh, 160014, India
| | - Kriti Attri
- Department of Biophysics, Panjab University, Chandigarh, 160014, India; Biological Sciences, Indian Institute of Science Education and Research, Mohali, 140306, India
| | - Megha Kumar
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad, 500007, India
| | - Puneet Kumar
- Department of Pharmacology, Central University of Punjab, Bathinda, 151001, India
| | - Ashish Suttee
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411, India
| | - Gurpal Singh
- UIPS, Panjab University, Chandigarh, 160014, India
| | | | - Neha Singla
- Department of Biophysics, Panjab University, Chandigarh, 160014, India.
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Milinčić DD, Vojinović UD, Kostić AŽ, Pešić MB, Špirović Trifunović BD, Brkić DV, Stević MŽ, Kojić MO, Stanisavljević NS. In vitro assessment of pesticide residues bioaccessibility in conventionally grown blueberries as affected by complex food matrix. CHEMOSPHERE 2020; 252:126568. [PMID: 32220723 DOI: 10.1016/j.chemosphere.2020.126568] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 02/20/2020] [Accepted: 03/18/2020] [Indexed: 06/10/2023]
Abstract
The aim of this study was to investigate the bioaccessibility of pesticide residues in blueberries (commercial and sample from controlled field trial) from Serbia, involving the presence of a complex food matrix and to assess the potential risk to human health. The presence of nine active substances (azoxystrobin, boscalid, fludioxonil, cyprodinil, pyrimethanil, pyridaben, pyriproxyfen, acetamiprid and thiametoxam) in initial blueberry samples was determined in concentration range from 5.15 μg/kg for thiametoxam to 187 μg/kg for azoxystrobin. Clothianidin, metabolite of thiametoxam, was not detected in any blueberry sample. However, after in vitro digestion, the content of initially detected pesticides residues was significantly decreased or it was below limit of quantification resulting in the total bioaccessibility of about 15%. Azoxystrobin, pyrimethanil and fludioxonil was quantified in digestive juice at concentrations which were about 81%, 37% and 10% less than the inital concentration, respectively. The presence of food matrix during digestion of blueberries even more severely reduced concentration of pesticide residues (total bioaccessibility was about 7%) compared to digestion without the food matrix. Only azoxystrobin was quantified after digestion with food matrix in concentration of 27 μg/kg in sample from controlled field trial and detected in two commercial samples but below the limit of quantification. Furthermore, chronic risk assessment indicated that risk is acceptable for the health of different human subpopulation groups. The current study on pesticides residues, most commonly applied on blueberries, provides for the first time an insight into their bioaccessibility under conditions that mimic physiological environment of human digestive tract.
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Affiliation(s)
- Danijel D Milinčić
- University of Belgrade, Faculty of Agriculture, Institute for Food Technology and Biochemistry, Department of Chemistry and Biochemistry, Nemanjina 6, 11080, Belgrade, Serbia.
| | - Uroš D Vojinović
- University of Belgrade, Faculty of Agriculture, Institute of Phytomedicine, Department for Pesticides and Herbology, Nemanjina 6, 11080, Belgrade, Serbia
| | - Aleksandar Ž Kostić
- University of Belgrade, Faculty of Agriculture, Institute for Food Technology and Biochemistry, Department of Chemistry and Biochemistry, Nemanjina 6, 11080, Belgrade, Serbia
| | - Mirjana B Pešić
- University of Belgrade, Faculty of Agriculture, Institute for Food Technology and Biochemistry, Department of Chemistry and Biochemistry, Nemanjina 6, 11080, Belgrade, Serbia
| | - Bojana D Špirović Trifunović
- University of Belgrade, Faculty of Agriculture, Institute of Phytomedicine, Department for Pesticides and Herbology, Nemanjina 6, 11080, Belgrade, Serbia
| | - Dragica V Brkić
- University of Belgrade, Faculty of Agriculture, Institute of Phytomedicine, Department for Pesticides and Herbology, Nemanjina 6, 11080, Belgrade, Serbia
| | - Milan Ž Stević
- University of Belgrade, Faculty of Agriculture, Institute of Phytomedicine, Department for Pesticides and Herbology, Nemanjina 6, 11080, Belgrade, Serbia
| | - Milan O Kojić
- University of Belgrade, Institute of Molecular Genetics and Genetic Engineering, P.O. Box 23, 11 010, Belgrade, Serbia
| | - Nemanja S Stanisavljević
- University of Belgrade, Institute of Molecular Genetics and Genetic Engineering, P.O. Box 23, 11 010, Belgrade, Serbia
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Chiu K, Warner G, Nowak RA, Flaws JA, Mei W. The Impact of Environmental Chemicals on the Gut Microbiome. Toxicol Sci 2020. [PMID: 32392306 DOI: 10.1093/toxsci/kfaa1065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023] Open
Abstract
Since the surge of microbiome research in the last decade, many studies have provided insight into the causes and consequences of changes in the gut microbiota. Among the multiple factors involved in regulating the microbiome, exogenous factors such as diet and environmental chemicals have been shown to alter the gut microbiome significantly. Although diet substantially contributes to changes in the gut microbiome, environmental chemicals are major contaminants in our food and are often overlooked. Herein, we summarize the current knowledge on major classes of environmental chemicals (bisphenols, phthalates, persistent organic pollutants, heavy metals, and pesticides) and their impact on the gut microbiome, which includes alterations in microbial composition, gene expression, function, and health effects in the host. We then discuss health-related implications of gut microbial changes, which include changes in metabolism, immunity, and neurological function.
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Affiliation(s)
- Karen Chiu
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802
- Division of Nutritional Sciences, College of Agricultural, Consumer, and Environmental Sciences
| | - Genoa Warner
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802
| | - Romana A Nowak
- Carl R. Woese Institute for Genomic Biology
- Department of Animal Sciences, College of Agricultural, Consumer, and Environmental Sciences, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801
| | - Jodi A Flaws
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802
- Division of Nutritional Sciences, College of Agricultural, Consumer, and Environmental Sciences
- Carl R. Woese Institute for Genomic Biology
| | - Wenyan Mei
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802
- Carl R. Woese Institute for Genomic Biology
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Rudzki L, Maes M. The Microbiota-Gut-Immune-Glia (MGIG) Axis in Major Depression. Mol Neurobiol 2020; 57:4269-4295. [DOI: 10.1007/s12035-020-01961-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 05/28/2020] [Indexed: 02/08/2023]
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Sarron E, Pérot M, Barbezier N, Delayre-Orthez C, Gay-Quéheillard J, Anton PM. Early exposure to food contaminants reshapes maturation of the human brain-gut-microbiota axis. World J Gastroenterol 2020; 26:3145-3169. [PMID: 32684732 PMCID: PMC7336325 DOI: 10.3748/wjg.v26.i23.3145] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 05/12/2020] [Accepted: 05/29/2020] [Indexed: 02/06/2023] Open
Abstract
Early childhood growth and development is conditioned by the consecutive events belonging to perinatal programming. This critical window of life will be very sensitive to any event altering programming of the main body functions. Programming of gut function, which is starting right after conception, relates to a very well-established series of cellular and molecular events associating all types of cells present in this organ, including neurons, endocrine and immune cells. At birth, this machinery continues to settle with the establishment of extra connection between enteric and other systemic systems and is partially under the control of gut microbiota activity, itself being under the densification and the diversification of microorganisms’ population. As thus, any environmental factor interfering on this pre-established program may have a strong incidence on body functions. For all these reasons, pregnant women, fetuses and infants will be particularly susceptible to environmental factors and especially food contaminants. In this review, we will summarize the actual understanding of the consequences of repeated low-level exposure to major food contaminants on gut homeostasis settlement and on brain/gut axis communication considering the pivotal role played by the gut microbiota during the fetal and postnatal stages and the presumed consequences of these food toxicants on the individuals especially in relation with the risks of developing later in life non-communicable chronic diseases.
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Affiliation(s)
- Elodie Sarron
- Transformations and Agroressources (EA 7519), Institut Polytechnique UniLaSalle, Université d'Artois, Beauvais 60026, France
| | - Maxime Pérot
- Transformations and Agroressources (EA 7519), Institut Polytechnique UniLaSalle, Université d'Artois, Beauvais 60026, France
| | - Nicolas Barbezier
- Transformations and Agroressources (EA 7519), Institut Polytechnique UniLaSalle, Université d'Artois, Beauvais 60026, France
| | - Carine Delayre-Orthez
- Transformations and Agroressources (EA 7519), Institut Polytechnique UniLaSalle, Université d'Artois, Beauvais 60026, France
| | - Jérôme Gay-Quéheillard
- Périnatalité et risques Toxiques, UMR-I-01, Université de Picardie Jules Verne, Amiens 80000, France
| | - Pauline M Anton
- Transformations and Agroressources (EA 7519), Institut Polytechnique UniLaSalle, Université d'Artois, Beauvais 60026, France
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Seyed Hameed AS, Rawat PS, Meng X, Liu W. Biotransformation of dietary phytoestrogens by gut microbes: A review on bidirectional interaction between phytoestrogen metabolism and gut microbiota. Biotechnol Adv 2020; 43:107576. [PMID: 32531317 DOI: 10.1016/j.biotechadv.2020.107576] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 06/03/2020] [Accepted: 06/03/2020] [Indexed: 12/12/2022]
Abstract
Phytoestrogens are a class of plant produced polyphenolic compounds with diphenolic structure, which is similar to 17β-estradiol. These phytoestrogens preferentially bind to estrogen receptors, however, with weak affinity. Recently, many studies have found that these phytoestrogens can be transformed by gut microbiota through novel enzymatic reactions into metabolites with altered bioactivity. Recent studies have also implied that these metabolites could possibly modulate the host gut ecosystem, gene expression, metabolism and the immune system. Thus, isolating gut microbes capable of biotransforming phytoestrogens and characterizing the novel enzymatic reactions involved are principal to understand the mechanisms of beneficial effects brought by gut microbiota and their metabolism on phytoestrogens, and to provide the theoretical knowledge for the development of functional probiotics. In the present review, we summarized works on gut microbial biotransformation of phytoestrogens, including daidzin (isoflavone), phenylnaringenin (prenylflavonoid), lignans, resveratrol (stilbene) and ellagitannins. We mainly focus on gut bacterial isolation, metabolic pathway characterization, and the bidirectional interaction of phytoestrogens with gut microbes to illustrate the novel metabolic capability of gut microbiota and the methods used in these studies.
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Affiliation(s)
- Ahkam Saddam Seyed Hameed
- State Key Laboratory of Microbial Technology, Microbial Technology Institute, Shandong University, No.72 Binhai Road, Qingdao 266237, PR China
| | - Parkash Singh Rawat
- State Key Laboratory of Microbial Technology, Microbial Technology Institute, Shandong University, No.72 Binhai Road, Qingdao 266237, PR China
| | - Xiangfeng Meng
- State Key Laboratory of Microbial Technology, Microbial Technology Institute, Shandong University, No.72 Binhai Road, Qingdao 266237, PR China.
| | - Weifeng Liu
- State Key Laboratory of Microbial Technology, Microbial Technology Institute, Shandong University, No.72 Binhai Road, Qingdao 266237, PR China
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Huang R, Li F, Zhou Y, Zeng Z, He X, Fang L, Pan F, Chen Y, Lin J, Li J, Qiu D, Tian Y, Tan X, Song Y, Xu Y, Lai Y, Yi H, Gao Q, Fang X, Shi M, Zhou C, Huang J, He YT. Metagenome-wide association study of the alterations in the intestinal microbiome composition of ankylosing spondylitis patients and the effect of traditional and herbal treatment. J Med Microbiol 2020; 69:797-805. [PMID: 31778109 PMCID: PMC7451032 DOI: 10.1099/jmm.0.001107] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 10/23/2019] [Indexed: 01/07/2023] Open
Abstract
Introduction. Ankylosing spondylitis (AS) is a systemic progressive disease with an unknown etiology that may be related to the gut microbiome. Therefore, a more thorough understanding of its pathogenesis is necessary for directing future therapy.Aim. We aimed to determine the differences in intestinal microbial composition between healthy individuals and patients with AS who received and who did not receive treatment interventions. In parallel, the pathology of AS in each patient was analysed to better understand the link between AS treatment and the intestinal microbiota of the patients.Methodology. Sixty-six faecal DNA samples, including 37 from healthy controls (HCs), 11 from patients with untreated AS (NM), 7 from patients treated with nonsteroidal anti-inflammatory drugs (e.g. celecoxib; WM) and 11 from patients treated with Chinese herbal medicine (CHM), such as the Bushen-Qiangdu-Zhilv decoction, were collected and used in the drug effect analysis. All samples were sequenced using Illumina HiSeq 4000 and the microbial composition was determined.Results. Four species were enriched in the patients with AS: Flavonifractor plautii, Oscillibacter, Parabacteroides distasonis and Bacteroides nordii (HC vs. NM, P<0.05); only F. plautii was found to be significantly changed in the NM-HC comparison. No additional species were found in the HC vs. CHM analysis, which indicated a beneficial effect of CHM in removing the other three strains. F. plautii was found to be significantly increased in the comparison between the HC and WM groups, along with four other species (Clostridium bolteae, Clostridiales bacterium 1_7_47FAA, C. asparagiforme and C. hathewayi). The patients with AS harboured more bacterial species associated with carbohydrate metabolism and glycan biosynthesis in their faeces. They also had bacterial profiles less able to biodegrade xenobiotics or synthesize and transport vitamins.Conclusion. The gut microbiota of the patients with AS varied from that of the HCs, and the treatment had an impact on this divergence. Our data provide insight that could guide improvements in AS treatment.
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Affiliation(s)
- RunYue Huang
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Fang Li
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Yingyan Zhou
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
- Postdoctoral Mobile Research Station, Guangzhou 510006, PR China
| | - Zhenhua Zeng
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Xiaohong He
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Lihua Fang
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Feng Pan
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Yile Chen
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Jiehua Lin
- Nephropathy Center, The Affiliated Jiangmen TCM Hospital, Jinan University, Jiangmen 529000, PR China
| | - Jie Li
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Dongni Qiu
- Department of Traditional Chinese Medicine, Guangdong Armed Police Corps Hospital, Guangzhou 510507, PR China
| | - Yinping Tian
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Xi Tan
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Yanni Song
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Yongyue Xu
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Yonghui Lai
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Hao Yi
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Qiang Gao
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Xiaodong Fang
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Mingming Shi
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Chu Zhou
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Jinqun Huang
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
| | - Yi-Ting He
- The Second Affiliated Hospital, Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510120 or 510006, PR China
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