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  1. Article ; Online: Microbiote intestinal : quels tests en pratique ?

    Sokol, Harry

    La Revue du praticien

    2020  Volume 69, Issue 7, Page(s) 783

    Title translation Gut microbiota: what tests in practice?
    MeSH term(s) Gastrointestinal Microbiome
    Language French
    Publishing date 2020-03-31
    Publishing country France
    Document type Journal Article
    ZDB-ID 205365-2
    ISSN 2101-017X ; 0035-2640
    ISSN (online) 2101-017X
    ISSN 0035-2640
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  2. Article ; Online: Microbiote intestinal : 10 messages « vrai/faux ».

    Sokol, Harry

    La Revue du praticien

    2020  Volume 69, Issue 7, Page(s) 804

    Title translation Gut microbiota : 10 «true / false» messages.
    MeSH term(s) Gastrointestinal Microbiome
    Language French
    Publishing date 2020-03-31
    Publishing country France
    Document type Journal Article
    ZDB-ID 205365-2
    ISSN 2101-017X ; 0035-2640
    ISSN (online) 2101-017X
    ISSN 0035-2640
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  3. Article ; Online: Antibiotics: a trigger for inflammatory bowel disease?

    Sokol, Harry

    The lancet. Gastroenterology & hepatology

    2020  Volume 5, Issue 11, Page(s) 956–957

    MeSH term(s) Anti-Bacterial Agents/adverse effects ; Case-Control Studies ; Colitis, Ulcerative/drug therapy ; Humans ; Inflammatory Bowel Diseases/drug therapy ; Sweden
    Chemical Substances Anti-Bacterial Agents
    Language English
    Publishing date 2020-08-17
    Publishing country Netherlands
    Document type Journal Article ; Comment
    ISSN 2468-1253
    ISSN (online) 2468-1253
    DOI 10.1016/S2468-1253(20)30208-9
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  4. Article ; Online: Définition et rôles du microbiote intestinal.

    Sokol, Harry

    La Revue du praticien

    2020  Volume 69, Issue 7, Page(s) 776–782

    Abstract: Definition and roles of the gut microbiota. The gut microbiota is the set of microorganisms that colonize our digestive tract. A human being hosts 1013 bacteria in his gastro-intestinal tract, as much as human cells in his body. The microbiota contains ... ...

    Title translation Definition and roles of the gut microbiota.
    Abstract Definition and roles of the gut microbiota. The gut microbiota is the set of microorganisms that colonize our digestive tract. A human being hosts 1013 bacteria in his gastro-intestinal tract, as much as human cells in his body. The microbiota contains bacteria but also fungi, viruses and protists. The microbiota settles gradually after birth is considered adult around the age of 3 years. The microbiota can be modulated by many environmental factors and by the genetics of the host. An unbalanced microbiota (dysbiotic) is observed in many human diseases and plays a role in many of them, with however unequal weight from one disease to another. The microbiota could, in the near future, serve as a diagnostic and prognostic biomarker. It is already considered a potential therapeutic tool or target.
    MeSH term(s) Gastrointestinal Microbiome ; Gastrointestinal Tract ; Humans
    Language French
    Publishing date 2020-03-31
    Publishing country France
    Document type Journal Article
    ZDB-ID 205365-2
    ISSN 2101-017X ; 0035-2640
    ISSN (online) 2101-017X
    ISSN 0035-2640
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  5. Article ; Online: Targeting the gut microbiota in inflammatory bowel diseases: where are we?

    Benech, Nicolas / Sokol, Harry

    Current opinion in microbiology

    2023  Volume 74, Page(s) 102319

    Abstract: The gut microbiota is now recognized to be a key driver of mucosal inflammation in inflammatory bowel disease (IBD). Robust functional and compositional alterations of the gut microbiota have been described in IBD with a reduction in bacterial diversity, ...

    Abstract The gut microbiota is now recognized to be a key driver of mucosal inflammation in inflammatory bowel disease (IBD). Robust functional and compositional alterations of the gut microbiota have been described in IBD with a reduction in bacterial diversity, a reduction in some anti-inflammatory anaerobic bacteria, and an increase in bacteria with pro-inflammatory potential. However, despite 15 years of active research, therapeutical applications are still lacking. Recent studies have shed new light on how targeting the gut microbiota can be beneficial in IBD with fecal microbiota transplantation, next-generation probiotics, and phage therapy. Given the similarities in dysfunction and structure of the gut microbiota between IBD and other chronic conditions associated with intestinal inflammation, such as celiac disease, Familial Mediterranean Fever, or common variable immunodeficiency, common therapeutic strategies targeting the host-microbiota symbiosis may be applied in these different conditions.
    MeSH term(s) Humans ; Gastrointestinal Microbiome ; Inflammatory Bowel Diseases/therapy ; Inflammatory Bowel Diseases/microbiology ; Microbiota ; Fecal Microbiota Transplantation ; Bacteria/genetics ; Inflammation
    Language English
    Publishing date 2023-04-15
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 1418474-6
    ISSN 1879-0364 ; 1369-5274
    ISSN (online) 1879-0364
    ISSN 1369-5274
    DOI 10.1016/j.mib.2023.102319
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  6. Article ; Online: Understanding and predicting the efficacy of FMT.

    Lavelle, Aonghus / Sokol, Harry

    Nature medicine

    2022  Volume 28, Issue 9, Page(s) 1759–1760

    MeSH term(s) Fecal Microbiota Transplantation ; Feces ; Treatment Outcome
    Language English
    Publishing date 2022-09-15
    Publishing country United States
    Document type Journal Article ; Comment
    ZDB-ID 1220066-9
    ISSN 1546-170X ; 1078-8956
    ISSN (online) 1546-170X
    ISSN 1078-8956
    DOI 10.1038/s41591-022-01991-0
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  7. Article ; Online: Specific gut microbiota taxa as a key source of variability in colitis model.

    Benech, Nicolas / Sokol, Harry

    Nature reviews. Gastroenterology & hepatology

    2022  Volume 19, Issue 8, Page(s) 491–492

    MeSH term(s) Animals ; Colitis ; Disease Models, Animal ; Gastrointestinal Microbiome ; Humans ; Mice ; Mice, Inbred C57BL
    Language English
    Publishing date 2022-06-11
    Publishing country England
    Document type Journal Article ; Comment
    ZDB-ID 2493722-8
    ISSN 1759-5053 ; 1759-5045
    ISSN (online) 1759-5053
    ISSN 1759-5045
    DOI 10.1038/s41575-022-00644-4
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  8. Article ; Online: CARD9, VAV3, and infection risk in IgA nephropathy.

    Gleeson, Patrick J / Sokol, Harry / Monteiro, Renato C

    Kidney international

    2023  Volume 103, Issue 5, Page(s) 996–997

    MeSH term(s) Humans ; CARD Signaling Adaptor Proteins ; Glomerulonephritis, IGA/complications ; Glomerulonephritis, IGA/genetics ; Glomerulonephritis, IGA/microbiology ; Infections/genetics ; Proto-Oncogene Proteins c-vav/genetics
    Chemical Substances CARD Signaling Adaptor Proteins ; CARD9 protein, human ; Proto-Oncogene Proteins c-vav ; VAV3 protein, human
    Language English
    Publishing date 2023-04-21
    Publishing country United States
    Document type Letter
    ZDB-ID 120573-0
    ISSN 1523-1755 ; 0085-2538
    ISSN (online) 1523-1755
    ISSN 0085-2538
    DOI 10.1016/j.kint.2023.02.013
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  9. Article ; Online: Gut dysbiosis in Crohn's disease: Never so close to solving the chicken-and-egg enigma: Commentary to "Gut microbiome composition is associated with future onset of Crohn's disease in healthy first-degree relatives, by Raygoza Garay JA et al., Gastroenterology 2023".

    Grellier, Nathan / Sokol, Harry / Seksik, Philippe

    Clinics and research in hepatology and gastroenterology

    2023  Volume 48, Issue 2, Page(s) 102272

    Abstract: Crohn's disease (CD) is a chronic disease of the digestive tract whose pathogenesis remains not fully understood. Several studies have implicated the gut microbiota as a key player in the onset of gut inflammation. However, most of the data is based on ... ...

    Abstract Crohn's disease (CD) is a chronic disease of the digestive tract whose pathogenesis remains not fully understood. Several studies have implicated the gut microbiota as a key player in the onset of gut inflammation. However, most of the data is based on case-control studies comparing patients with established disease with controls, usually healthy individuals. The study by Raygoza Garay and colleagues shows for the first time that changes in the composition of the gut microbiota precede CD onset by up to five years. The authors developed a microbiome risk score using a machine-learning model that included bacterial composition and clinical variables from a large cohort of healthy first-degree relatives of patients with CD. This study provides strong evidence that the alterations of the gut microbiota is causal in CD pathogenesis and suggest that early intervention targeting it may be an appropriate preventive strategy.
    MeSH term(s) Humans ; Crohn Disease/complications ; Gastrointestinal Microbiome ; Gastroenterology ; Dysbiosis/complications ; Dysbiosis/microbiology
    Language English
    Publishing date 2023-12-23
    Publishing country France
    Document type Editorial
    ZDB-ID 2594333-9
    ISSN 2210-741X ; 2210-7401
    ISSN (online) 2210-741X
    ISSN 2210-7401
    DOI 10.1016/j.clinre.2023.102272
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  10. Article ; Online: Neutrophils: from IBD to the gut microbiota.

    Danne, Camille / Skerniskyte, Jurate / Marteyn, Benoit / Sokol, Harry

    Nature reviews. Gastroenterology & hepatology

    2023  Volume 21, Issue 3, Page(s) 184–197

    Abstract: Inflammatory bowel disease (IBD) is a chronic inflammatory condition of the gastrointestinal tract that results from dysfunction in innate and/or adaptive immune responses. Impaired innate immunity, which leads to lack of control of an altered intestinal ...

    Abstract Inflammatory bowel disease (IBD) is a chronic inflammatory condition of the gastrointestinal tract that results from dysfunction in innate and/or adaptive immune responses. Impaired innate immunity, which leads to lack of control of an altered intestinal microbiota and to activation of the adaptive immune system, promotes a secondary inflammatory response that is responsible for tissue damage. Neutrophils are key players in innate immunity in IBD, but their roles have been neglected compared with those of other immune cells. The latest studies on neutrophils in IBD have revealed unexpected complexities, with heterogeneous populations and dual functions, both deleterious and protective, for the host. In parallel, interconnections between disease development, intestinal microbiota and neutrophils have been highlighted. Numerous IBD susceptibility genes (such as NOD2, NCF4, LRRK2, CARD9) are involved in neutrophil functions related to defence against microorganisms. Moreover, severe monogenic diseases involving dysfunctional neutrophils, including chronic granulomatous disease, are characterized by intestinal inflammation that mimics IBD and by alterations in the intestinal microbiota. This observation demonstrates the dialogue between neutrophils, gut inflammation and the microbiota. Neutrophils affect microbiota composition and function in several ways. In return, microbial factors, including metabolites, regulate neutrophil production and function directly and indirectly. It is crucial to further investigate the diverse roles played by neutrophils in host-microbiota interactions, both at steady state and in inflammatory conditions, to develop new IBD therapies. In this Review, we discuss the roles of neutrophils in IBD, in light of emerging evidence proving strong interconnections between neutrophils and the gut microbiota, especially in an inflammatory context.
    MeSH term(s) Humans ; Gastrointestinal Microbiome ; Neutrophils ; Microbiota ; Inflammatory Bowel Diseases ; Inflammation
    Language English
    Publishing date 2023-12-18
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 2493722-8
    ISSN 1759-5053 ; 1759-5045
    ISSN (online) 1759-5053
    ISSN 1759-5045
    DOI 10.1038/s41575-023-00871-3
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