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JOURNAL ARTICLE
Seung Yeob Yu, Byeong Seob Oh, Seoung Woo Ryu, Jeong Eun Bak, Eun Seo Heo, Jeong Chan Moon, Jae-Ho Jeong, Ju Huck Lee
A novel Gram-negative, obligate anaerobe, non-motile, flagella-lacking, catalase- and oxidase-negative, coccobacilli-shaped bacterial strain designated AGMB02718T was isolated from swine feces. The 16S rRNA gene analysis indicated that strain AGMB02718T belonged to the genus Mesosutterella with the highest similarity to M. multiformis 4NBBH2T (= DSM 106860T ) (sequence similarity of 96.2%), forming a distinct phylogenetic lineage. Its growth occurred at 25-45°C (optimal 37°C) and in 0.5-1% NaCl (optimal 0...
2024: Frontiers in Microbiology
#2
JOURNAL ARTICLE
Nicola J Wyatt, Hannah Watson, Carl A Anderson, Nicholas A Kennedy, Tim Raine, Tariq Ahmad, Dean Allerton, Michelle Bardgett, Emma Clark, Dawn Clewes, Cristina Cotobal Martin, Mary Doona, Jennifer A Doyle, Katherine Frith, Helen C Hancock, Ailsa L Hart, Victoria Hildreth, Peter M Irving, Sameena Iqbal, Ciara Kennedy, Andrew King, Sarah Lawrence, Charlie W Lees, Robert Lees, Laura Letchford, Trevor Liddle, James O Lindsay, Rebecca H Maier, John C Mansfield, Julian R Marchesi, Naomi McGregor, Rebecca E McIntyre, Jasmin Ostermayer, Tolulope Osunnuyi, Nick Powell, Natalie J Prescott, Jack Satsangi, Shriya Sharma, Tara Shrestha, Ally Speight, Michelle Strickland, James Ms Wason, Kevin Whelan, Ruth Wood, Gregory R Young, Xinyue Zhang, Miles Parkes, Christopher J Stewart, Luke Jostins-Dean, Christopher A Lamb
INTRODUCTION: Characterised by chronic inflammation of the gastrointestinal tract, inflammatory bowel disease (IBD) symptoms including diarrhoea, abdominal pain and fatigue can significantly impact patient's quality of life. Therapeutic developments in the last 20 years have revolutionised treatment. However, clinical trials and real-world data show primary non-response rates up to 40%. A significant challenge is an inability to predict which treatment will benefit individual patients...
April 17, 2024: BMJ Open
#3
JOURNAL ARTICLE
Devendra Paudel, Divek V T Nair, Sangshan Tian, Fuhua Hao, Umesh K Goand, Grace Joseph, Eleni Prodes, Zhi Chai, Chloé E M Robert, Benoit Chassaing, Andrew D Patterson, Vishal Singh
With an increasing interest in dietary fibers (DFs) to promote intestinal health and the growth of beneficial gut bacteria, there is a continued rise in the incorporation of refined DFs in processed foods. It is still unclear how refined fibers, such as guar gum, affect the gut microbiota activity and pathogenesis of inflammatory bowel disease (IBD). Our study elucidated the effect and underlying mechanisms of guar gum, a fermentable DF (FDF) commonly present in a wide range of processed foods, on colitis development...
2024: Gut Microbes
#4
JOURNAL ARTICLE
Nazeha A Khalil, Nora A ALFaris, Jozaa Z ALTamimi, Isam A Mohamed Ahmed
Bay laurel ( Laurus nobilis L.) contains active antioxidative phenolic components that are beneficial to human health. However, none was examined and reported utilizing health effects related to inflammatory bowel diseases (IBD) mainly ulcerative colitis (UC) in correlation to gut microbiota (GM). Thus, the current study aimed to investigate the impacts of bay leaves on UC albino rats targeting on the GM composition and their metabolites production (i.e., short-chain fatty acids; SCFAs) for improving the gut barrier functions...
April 2024: Food Science & Nutrition
#5
JOURNAL ARTICLE
Yukun Sun, Jiazhi Zhou, Hengjun Du, Zhihao Zhou, Yanhui Han, Minna Luo, Xiaojing Guo, Min Gu, Huqing Yang, Hang Xiao
The genus Bifidobacterium has been widely used in functional foods for health promotion due to its beneficial effects on human health, especially in the gastrointestinal tract (GIT). In this study, we characterize the anti-inflammatory potential of the probiotic strain Bifidobacterium pseudocatenulatum G7, isolated from a healthy male adult. G7 secretion inhibited inflammatory response in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages. Moreover, oral administration of bacteria G7 alleviated the severity of colonic inflammation in dextran sulfate sodium (DSS)-treated colitis mice, which was evidenced by a decreased disease activity index (DAI) and enhanced structural integrity of the colon...
April 15, 2024: Journal of Agricultural and Food Chemistry
#6
EDITORIAL
Daniéla Oliveira Magro, Ligia Yukie Sassaki, Júlio Maria Fonseca Chebli
In this editorial, we comment on the article by Marangoni et al , published in the recent issue of the World Journal of Gastroenterology 2023; 29: 5618-5629, about "Diet as an epigenetic factor in inflammatory bowel disease". The authors emphasized the role of diet, especially the interaction with genetics, in promoting the inflammatory process in inflammatory bowel disease (IBD) patients, focusing on DNA methylation, histone modifications, and the influence of microRNAs. In this editorial, we explore the interaction between genetics, gut microbiota, and diet, in an only way...
March 28, 2024: World Journal of Gastroenterology: WJG
#7
JOURNAL ARTICLE
Gaëlle Quiniou, Leslie Andromaque, Rémi Duclaux-Loras, Océane Dinet, Ornella Cervantes, Mallorie Verdet, Camille Meunier, Gilles Boschetti, Christophe Viret, Stéphane Nancey, Mathias Faure, Aurore Rozières
Crohn disease (CD) is an inflammatory bowel disease whose pathogenesis involves inappropriate immune responses toward gut microbiota on genetically predisposed backgrounds. Notably, CD is associated with single-nucleotide polymorphisms affecting several genes involved in macroautophagy/autophagy, the catabolic process that ensures the degradation and recycling of cytosolic components and microorganisms. In a clinical translation perspective, monitoring the autophagic activity of CD patients will require some knowledge on the intrinsic functional status of autophagy...
April 14, 2024: Autophagy
#8
JOURNAL ARTICLE
Xiaodong Li, Lin-Hai Kurahara, Zhixin Zhao, Feiyan Zhao, Ryo Ishikawa, Kiyomi Ohmichi, Gaopeng Li, Tetsuo Yamashita, Takeshi Hashimoto, Mayumi Hirano, Zhihong Sun, Katsuya Hirano
BACKGROUND & AIMS: Inflammatory bowel disease is associated with carcinogenesis, which limits the prognosis of the patients. The local expression of proteinases and proteinase-activated receptor 1 (PAR1 ) increases in the inflammatory bowel disease. The present study investigated the therapeutic effects of PAR1 antagonism on colitis-associated carcinogenesis. METHODS: A colitis-associated carcinogenesis model was prepared in mice by treatment with azoxymethane (AOM) and dextran sulfate sodium (DSS)...
April 11, 2024: Cellular and Molecular Gastroenterology and Hepatology
#9
JOURNAL ARTICLE
Stephanie Dijk, Megan Jarman, Zhengxiao Zhang, Morgan Lawley, Muzammil Ahmad, Ricardo Suarez, Laura Rossi, Min Chen, Jessica Wu, Matthew W Carroll, Anthony Otley, Mary Sherlock, David R Mack, Kevan Jacobson, Jennifer C deBruyn, Wael El-Matary, Colette Deslandres, Mohsin Rashid, Peter C Church, Thomas D Walters, Hien Q Huynh, Michael G Surette, Anne M Griffiths, Eytan Wine
Exclusive enteral nutrition (EEN) is effective in inducing remission in pediatric Crohn disease (CD). EEN alters the intestinal microbiome, but precise mechanisms are unknown. We hypothesized that pre-diagnosis diet establishes a baseline gut microbiome, which then mediates response to EEN. We analyzed prospectively recorded food frequency questionnaires (FFQs) for pre-diagnosis dietary patterns. Fecal microbiota were sequenced (16SrRNA) at baseline and through an 18-month follow-up period. Dietary patterns, Mediterranean diet adherence, and stool microbiota were associated with EEN treatment outcomes, disease flare, need for anti-tumor necrosis factor (TNF)-α therapy, and long-term clinical outcomes...
April 2, 2024: Nutrients
#10
REVIEW
Inês Correia, Patrícia Almeida Oliveira, Maria Luz Antunes, Maria da Graça Raimundo, Ana Catarina Moreira
Crohn's disease (CD) is an inflammatory bowel disease. Previous research has explored the impact of diet on CD, as specific dietary components can influence gut microbiota and immune responses, contributing to damage in the gastrointestinal tract. The Crohn's Disease Exclusion Diet (CDED) is based on an exclusion diet; it is a recent dietary approach that is often used alongside partial enteral nutrition (PEN) and aims to induce disease remission by excluding certain dietary components. This study assesses the current evidence for the effectiveness of the CDED + PEN in achieving remission in both children and adults with active CD...
March 28, 2024: Nutrients
#11
JOURNAL ARTICLE
Loredana Vesci, Grazia Tundo, Sara Soldi, Serena Galletti, Daniela Stoppoloni, Roberta Bernardini, Anamaria Bianca Modolea, Laura Luberto, Emanuele Marra, Fabrizio Giorgi, Stefano Marini
Crohn's and ulcerative colitis are common conditions associated with inflammatory bowel disease as well as intestinal flora and epithelial barrier dysfunction. A novel fermented Lactobacillus brevis (AL0035) herein assayed in a trinitro benzene sulfonic acid (TNBS)-induced colitis mice model after oral administration significantly counteracted the body weight loss and improves the disease activity index and histological injury scores. AL0035 significantly decreased the mRNA and protein expression of different pro-inflammatory cytokines (TNFalpha, IL-1beta, IL-6, IL-12, IFN-gamma) and enhanced the expression of IL-10...
March 24, 2024: Nutrients
#12
JOURNAL ARTICLE
Lei Wang, Pim J Koelink, Johan Garssen, Gert Folkerts, Paul A J Henricks, Saskia Braber
Chronic obstructive pulmonary disease (COPD) patients and smokers have a higher incidence of intestinal disorders. The aim of this study was to gain insight into the transcriptomic changes in the lungs and intestines, and the fecal microbial composition after cigarette smoke exposure. Mice were exposed to cigarette smoke and their lung and ileum tissues were analyzed by RNA sequencing. The top 15 differentially expressed genes were investigated in publicly available gene expression datasets of COPD and Crohn's disease (CD) patients...
April 5, 2024: International Journal of Molecular Sciences
#13
JOURNAL ARTICLE
Fan Yang, Yuting Su, Chi Yan, Tianfeng Chen, Peter Chi Keung Cheung
Treatment for inflammatory bowel disease (IBD) is challenging since current anti-inflammatory and immunosuppressive therapies do not address the underlying causes of the illness, which include increased levels of reactive oxygen species (ROS) and dysbiosis of the gut commensal microbiota. Additionally, these treatments often have systemic off-target effects and adverse side effects. In this study, we have developed a prebiotic yeast β-glucan nanocomplex coated with bio-adhesive polydopamine (YBNs@PDA) to effectively prolong their retention time in the gastrointestinal (GI) tract...
April 12, 2024: Journal of Nanobiotechnology
#14
REVIEW
Lingling Kan, Ziwen Zheng, Wanyue Fu, Yan Ma, Wanni Wang, Haisheng Qian, Lingling Xu
Inflammatory bowel disease (IBD) is a type of chronic recurrent inflammation disease that mainly includes Crohn's disease and ulcerative colitis. Currently, the treatments for IBD remain highly challenging, with clinical treatment drugs showing limited efficacy and adverse side effects. Thus, developing drug candidates with comprehensive therapeutic effects, high efficiency, and low toxicity is urgently needed. Recently, micro/nanomaterials have attracted considerable interest because of their bioavailability, multitarget and efficient effects on IBD...
April 10, 2024: Journal of Controlled Release
#15
REVIEW
Anaëlle L Dentand, Morton G Schubert, Pierre-Alexandre Krayenbuehl
Iron deficiency is a widespread global health concern with varying prevalence rates across different regions. In developing countries, scarcity of food and chronic infections contribute to iron deficiency, while in industrialized nations, reduced food intake and dietary preferences affect iron status. Other causes that can lead to iron deficiency are conditions and diseases that result in reduced intestinal iron absorption and blood loss. In addition, iron absorption and its bioavailability are influenced by the composition of the diet...
April 12, 2024: Critical Reviews in Clinical Laboratory Sciences
#16
REVIEW
Andreas Stallmach, Stefanie Quickert, Christian Puta, Philipp A Reuken
Like other infections, a SARS-CoV-2 infection can also trigger Post-Acute Infection Syndromes (PAIS), which often progress into myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). ME/CFS, characterized by post-exercise malaise (PEM), is a severe multisystemic disease for which specific diagnostic markers or therapeutic concepts have not been established. Despite numerous indications of post-infectious neurological, immunological, endocrinal, and metabolic deviations, the exact causes and pathophysiology remain unclear...
2024: Frontiers in Immunology
#17
REVIEW
Jinyin Xiao, Xiajun Guo, Zhenquan Wang
The human intestinal tract constitutes a complex ecosystem, made up of countless gut microbiota, metabolites, and immune cells, with hypoxia being a fundamental environmental characteristic of this ecology. Under normal physiological conditions, a delicate balance exists among these complex "residents", with disruptions potentially leading to inflammatory bowel disease (IBD). The core pathology of IBD features a disrupted intestinal epithelial barrier, alongside evident immune and microecological disturbances...
2024: Frontiers in Immunology
#18
JOURNAL ARTICLE
Pascal Petit, Ariane Leroyer, Sylvain Chamot, Mathurin Fumery, Vincent Bonneterre
BACKGROUND AND AIMS: Epidemiological data regarding inflammatory bowel disease (IBD) are lacking, in particular for occupationally exposed populations. We investigated whether, among the entire French farm manager (FM) workforce, certain agricultural activities are more strongly associated with IBD than others. METHODS: Nationwide population-based insurance claims and electronic health records from all FMs that worked at least once over the period 2002-2016 were used (n=1088561, 69% males)...
April 12, 2024: Journal of Crohn's & Colitis
#19
REVIEW
Lukas Bethlehem, Maria Manuela Estevinho, Ari Grinspan, Fernando Magro, Jeremiah J Faith, Jean-Frederic Colombel
Microbiota therapeutics that transplant faecal material from healthy donors to people with mild-to-moderate ulcerative colitis have shown the potential to induce remission in about 30% of participants in small, phase 2 clinical trials. Despite this substantial achievement, the field needs to leverage the insights gained from these trials and progress towards phase 3 clinical trials and drug approval, while identifying the distinct clinical niche for this new therapeutic modality within inflammatory bowel disease (IBD) therapeutics...
May 2024: Lancet. Gastroenterology & Hepatology
#20
JOURNAL ARTICLE
Yuan Liu, Xue Bai, Huanyan Wu, Zhiguang Duan, Chenhui Zhu, Rongzhan Fu, Daidi Fan
Dysbiosis of gut microbiota is believed to be associated with inflammatory bowel disease (IBD). Ginsenoside compound K (CK), the main metabolite of Panax ginseng ginsenoside, has proven effective as an anti-inflammatory agent in IBD. However, the mechanisms by which CK modulates gut microbiota to ameliorate IBD remain poorly understood. Herein, CK demonstrated the potential to suppress the release of proinflammatory cytokines by gut microbiota modulation. Notably, supplementation with CK promoted the restoration of a harmonious balance in gut microbiota, primarily by enhancing the populations of Lactobacillus and Akkermansia ...
April 11, 2024: Journal of Agricultural and Food Chemistry
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