1
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Wu T, Bai X, Zhang Y, Dai E, Ma J, Yu C, He C, Li Q, Yang Y, Kong H, Qu H, Zhao Y. Natural medicines-derived carbon dots as novel oral antioxidant administration strategy for ulcerative colitis therapy. J Nanobiotechnology 2024; 22:511. [PMID: 39187876 PMCID: PMC11348712 DOI: 10.1186/s12951-024-02702-2] [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: 04/27/2024] [Accepted: 07/05/2024] [Indexed: 08/28/2024] Open
Abstract
BACKGROUND Ulcerative colitis (UC) is a chronic intestinal inflammation, resulting in a global healthcare challenge with no real specific medicine. Natural medicines are recognized as a potential clinical alternative therapy, but their applications are limited by poor solubility and low bioavailability. RESULTS In this work, inspired by the natural medicines of ancient China, novel functional carbon dots derived from Magnetite and Medicated Leaven (MML-CDs) were synthesized by hydrothermal method, and confirmed their ultrasmall nano-size (3.2 ± 0.6 nm) and Fe doped surface structure, thereby with excellent gastrointestinal stability, remarkable capabilities in eliminating ROS, and highly biocompatibility. With no external stimuli, the oral administration of MML-CDs demonstrated obvious alleviation to UC. Further experiments pointed that MML-CDs could improve hemostasis capability, suppress inflammation reactions and oxidative stress, and up-regulate the expression of tight junction proteins. Furthermore, MML-CDs also showed well regulation in the dysbiosis of intestinal flora. CONCLUSION Overall, above evidence reveals that green-synthesized MML-CDs can significantly alleviate intestinal bleeding, inhibit colon inflammation, and repair colonic barrier damage, further regulating intestinal flora and intestinal inflammation microenvironment. Our findings provide an efficient oral administration of MML-CDs as a novel therapy strategy for ulcerative colitis.
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Affiliation(s)
- Tong Wu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Xue Bai
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Yue Zhang
- School of Life Science, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Ertong Dai
- Qingdao Eighth People's Hospital, Qingdao, 266100, China
| | - Jinyu Ma
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Cai Yu
- Department of Endocrine, Beijing Daxing District Hospital of Integrated Chinese and Western Medicine, Beijing, 100163, China
| | - Chenxin He
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Qiannan Li
- Department of Traditional Chinese Medicine, Beijing Daxing District Hospital of Integrated Chinese and Western Medicine, Beijing, 100163, China
| | - Yingxin Yang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Hui Kong
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Huihua Qu
- Centre of Scientific Experiment, Beijing University of Chinese Medicine, Beijing, 100029, China.
| | - Yan Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China.
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2
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Kim DH, Lee S, Ahn J, Kim JH, Lee E, Lee I, Byun S. Transcriptomic and metabolomic analysis unveils nanoplastic-induced gut barrier dysfunction via STAT1/6 and ERK pathways. ENVIRONMENTAL RESEARCH 2024; 249:118437. [PMID: 38346486 DOI: 10.1016/j.envres.2024.118437] [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: 11/27/2023] [Revised: 01/18/2024] [Accepted: 02/05/2024] [Indexed: 02/18/2024]
Abstract
The widespread prevalence of micro and nanoplastics in the environment raises concerns about their potential impact on human health. Recent evidence demonstrates the presence of nanoplastics in human blood and tissues following ingestion and inhalation, yet the specific risks and mechanisms of nanoplastic toxicity remain inadequately understood. In this study, we aimed to explore the molecular mechanisms underlying the toxicity of nanoplastics at both systemic and molecular levels by analyzing the transcriptomic/metabolomic responses and signaling pathways in the intestines of mice after oral administration of nanoplastics. Transcriptome analysis in nanoplastic-administered mice revealed a notable upregulation of genes involved in pro-inflammatory immune responses. In addition, nanoplastics substantially reduced the expression of tight junction proteins, including occludin, zonula occluden-1, and tricellulin, which are crucial for maintaining gut barrier integrity and function. Importantly, nanoplastic administration increased gut permeability and exacerbated dextran sulfate sodium-induced colitis. Further investigation into the underlying molecular mechanisms highlighted significant activation of signaling transsducer and activator of transcription (STAT)1 and STAT6 by nanoplastic administration, which was in line with the elevation of interferon and JAK-STAT pathway signatures identified through transcriptome enrichment analysis. Additionally, the consumption of nanoplastics specifically induced nuclear factor kappa-B (NF-κB) and extracellular signal-regulated kinase (ERK)1/2 signaling pathways in the intestines. Collectively, this study identifies molecular mechanisms contributing to adverse effects mediated by nanoplastics in the intestine, providing novel insights into the pathophysiological consequences of nanoplastic exposure.
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Affiliation(s)
- Da Hyun Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - Sungho Lee
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - Jisong Ahn
- Research Group of Traditional Food, Korea Food Research Institute, Wanju, 55365, Republic of Korea; Department of Food Science and Technology, Chonbuk National University, Jeonju, 54896, Republic of Korea
| | - Jae Hwan Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - Eunjung Lee
- Research Group of Traditional Food, Korea Food Research Institute, Wanju, 55365, Republic of Korea; Department of Food Biotechnology, Korea University of Science and Technology, Daejeon, Republic of Korea.
| | - Insuk Lee
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea; POSTECH Biotech Center, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea.
| | - Sanguine Byun
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea; POSTECH Biotech Center, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea.
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3
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Curvino EJ, Roe EF, Freire Haddad H, Anderson AR, Woodruff ME, Votaw NL, Segura T, Hale LP, Collier JH. Engaging natural antibody responses for the treatment of inflammatory bowel disease via phosphorylcholine-presenting nanofibres. Nat Biomed Eng 2024; 8:628-649. [PMID: 38012308 PMCID: PMC11128482 DOI: 10.1038/s41551-023-01139-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 10/17/2023] [Indexed: 11/29/2023]
Abstract
Inflammatory bowel disease lacks a long-lasting and broadly effective therapy. Here, by taking advantage of the anti-infection and anti-inflammatory properties of natural antibodies against the small-molecule epitope phosphorylcholine (PC), we show in multiple mouse models of colitis that immunization of the animals with self-assembling supramolecular peptide nanofibres bearing PC epitopes induced sustained levels of anti-PC antibodies that were both protective and therapeutic. The strength and type of immune responses elicited by the nanofibres could be controlled through the relative valency of PC epitopes and exogenous T-cell epitopes on the nanofibres and via the addition of the adjuvant CpG. The nanomaterial-assisted induction of the production of therapeutic antibodies may represent a durable therapy for inflammatory bowel disease.
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Affiliation(s)
| | - Emily F Roe
- Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | | | - Alexa R Anderson
- Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | - Mia E Woodruff
- Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | - Nicole L Votaw
- Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | - Tatiana Segura
- Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | - Laura P Hale
- Department of Pathology, Duke University Medical Center, Durham, NC, USA
| | - Joel H Collier
- Department of Biomedical Engineering, Duke University, Durham, NC, USA.
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4
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Aburto MR, Cryan JF. Gastrointestinal and brain barriers: unlocking gates of communication across the microbiota-gut-brain axis. Nat Rev Gastroenterol Hepatol 2024; 21:222-247. [PMID: 38355758 DOI: 10.1038/s41575-023-00890-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/20/2023] [Indexed: 02/16/2024]
Abstract
Crosstalk between gut and brain has long been appreciated in health and disease, and the gut microbiota is a key player in communication between these two distant organs. Yet, the mechanisms through which the microbiota influences development and function of the gut-brain axis remain largely unknown. Barriers present in the gut and brain are specialized cellular interfaces that maintain strict homeostasis of different compartments across this axis. These barriers include the gut epithelial barrier, the blood-brain barrier and the blood-cerebrospinal fluid barrier. Barriers are ideally positioned to receive and communicate gut microbial signals constituting a gateway for gut-microbiota-brain communication. In this Review, we focus on how modulation of these barriers by the gut microbiota can constitute an important channel of communication across the gut-brain axis. Moreover, barrier malfunction upon alterations in gut microbial composition could form the basis of various conditions, including often comorbid neurological and gastrointestinal disorders. Thus, we should focus on unravelling the molecular and cellular basis of this communication and move from simplistic framing as 'leaky gut'. A mechanistic understanding of gut microbiota modulation of barriers, especially during critical windows of development, could be key to understanding the aetiology of gastrointestinal and neurological disorders.
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Affiliation(s)
- María R Aburto
- APC Microbiome Ireland, University College Cork, Cork, Ireland.
- Department of Anatomy and Neuroscience, School of Medicine, University College Cork, Cork, Ireland.
| | - John F Cryan
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Anatomy and Neuroscience, School of Medicine, University College Cork, Cork, Ireland
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5
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Wen Y, Li C, Huang P, Liu Z, He Y, Liu B. Transcriptional landscape of intestinal environment in DSS-induced ulcerative colitis mouse model. BMC Gastroenterol 2024; 24:60. [PMID: 38308210 PMCID: PMC10836045 DOI: 10.1186/s12876-024-03128-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 01/05/2024] [Indexed: 02/04/2024] Open
Abstract
Ulcerative colitis (UC) is a chronic inflammatory disease that targets the colon and has seen an increasing prevalence worldwide. In our pursuit of new diagnostic and therapeutic approaches for UC, we undertook a sequencing of colons from UC mouse models. We focused on analyzing their differentially expressed genes (DEGs), enriching pathways, and constructing protein-protein interaction (PPI) and Competing Endogenous RNA (ceRNA) networks. Our analysis highlighted novel DEGs such as Tppp3, Saa3, Cemip, Pappa, and Nr1d1. These DEGs predominantly play roles in pathways like cytokine-mediated signaling, extracellular matrix organization, extracellular structure organization, and external encapsulating structure organization. This suggests that the UC pathogenesis is intricately linked to the interactions between immune and non-immune cells with the extracellular matrix (ECM). To corroborate our findings, we also verified certain DEGs through quantitative real-time PCR. Within the PPI network, nodes like Stat3, Il1b, Mmp3, and Lgals3 emerged as significant and were identified to be involved in the crucial cytokine-mediated signaling pathway, which is central to inflammation. Our ceRNA network analysis further brought to light the role of the Smad7 Long non-coding RNA (lncRNA). Key MicroRNA (miRNAs) in the ceRNA network were pinpointed as mmu-miR-17-5p, mmu-miR-93-5p, mmu-miR-20b-5p, mmu-miR-16-5p, and mmu-miR-106a-5p, while central mRNAs included Egln3, Plagl2, Sema7a, Arrdc3, and Stat3. These insights imply that ceRNA networks are influential in UC progression and could provide further clarity on its pathogenesis. In conclusion, this research deepens our understanding of UC pathogenesis and paves the way for potential new diagnostic and therapeutic methods. Nevertheless, to solidify our findings, additional experiments are essential to confirm the roles and molecular interplay of the identified DEGs in UC.
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Affiliation(s)
- Yuefei Wen
- Foshan Maternity and Child Health Care Hospital, Southern Medical University, 528000, Foshan, China
| | - Chenyang Li
- Zhujiang Hospital, Southern Medical University, 510282, Guangzhou, China
| | - Peng Huang
- Foshan Maternity and Child Health Care Hospital, Southern Medical University, 528000, Foshan, China
| | - Zhigang Liu
- Foshan Maternity and Child Health Care Hospital, Southern Medical University, 528000, Foshan, China
| | - Yanjun He
- Foshan Maternity and Child Health Care Hospital, Southern Medical University, 528000, Foshan, China.
- Zhujiang Hospital, Southern Medical University, 510282, Guangzhou, China.
| | - Bin Liu
- Zhujiang Hospital, Southern Medical University, 510282, Guangzhou, China.
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6
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Liu JY, Tsai FL, Chuang YL, Ye JC. Aqueous extracts of Ocimum gratissimum mitigate colitis and protect against AOM/DSS-induced colorectal cancer in mice. Carcinogenesis 2023; 44:837-846. [PMID: 37864831 DOI: 10.1093/carcin/bgad074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/26/2023] [Accepted: 10/18/2023] [Indexed: 10/23/2023] Open
Abstract
In this study, we explored the in vivo effects of Ocimum gratissimum aqueous extracts (OGE) on colorectal cancer (CRC) development provoked by azoxymethane/dextran sodium sulfate (AOM/DSS). The results showed a significant reduction in the tumor load and tumor number for the OGEH group that received continued administration of OGE compared to the AOM/DSS group, with P values of <0.01, but this was not observed in the OGEHs group that received separated administration of OGE. All groups except the control group exhibited aberrant crypt foci (ACF) and adenocarcinoma of lesion pathology in colon, and both conditions were significantly reduced in the OGEH group (P < 0.01) as compared to the AOM/DSS group. Subsequent investigation into whether OGE exhibits eliminative effects on DSS-induced severe colitis (SC) in mice showed that the disease activity index score was significantly reduced in the OGE-treated groups (P < 0.01), also colon colitis histological score was reversed. These data suggest that OGE may be potentially effective in preventing CRC when administered throughout the promotional stages of carcinogenesis by inhibiting inflammatory SC.
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Affiliation(s)
- Jer-Yuh Liu
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Center for Molecular Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Fang-Ling Tsai
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Center for Molecular Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Ya-Ling Chuang
- Animal Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Je-Chiuan Ye
- Department of Bachelor's Degree Program for Indigenous Peoples in Senior Health and Care Management, National Taitung University, Taitung, Taiwan
- Master Program in Biomedical Science, National Taitung University, Taitung, Taiwan
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7
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Gao S, Zheng H, Xu S, Kong J, Gao F, Wang Z, Li Y, Dai Z, Jiang X, Ding X, Lei H. Novel Natural Carrier-Free Self-Assembled Nanoparticles for Treatment of Ulcerative Colitis by Balancing Immune Microenvironment and Intestinal Barrier. Adv Healthc Mater 2023; 12:e2301826. [PMID: 37681364 DOI: 10.1002/adhm.202301826] [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: 06/23/2023] [Revised: 09/05/2023] [Indexed: 09/09/2023]
Abstract
Ulcerative colitis (UC) is a chronic inflammatory illness affecting the colon and rectum, with current treatment methods being unable to meet the clinical needs of ulcerative colitis patients. Although nanomedicines are recognized as promising anti-inflammatory medicines, their clinical application is limited by their high cost and unpredictable safety risks. This study reveals that two natural phytochemicals, berberine (BBR) and hesperetin (HST), self-assemble directly to form binary carrier-free multi-functional spherical nanoparticles (BBR-HST NPs) through noncovalent bonds involving electrostatic interactions, π-π stacking, and hydrogen bonding. Because of their synergistic anti-inflammatory activity, berberine-hesperetin nanoparticles (BBR-HST NPs) exhibit significantly better therapeutic effects on UC and inhibitory effects on inflammation than BBR and HST at the same dose by regulating the immune microenvironment and repairing the damaged intestinal barrier. Furthermore, BBR-HST NPs exhibit good biocompatibility and biosafety. Thus, this study proves the potential of novel natural anti-inflammatory nanoparticles as therapeutic agents for UC, which could promote the progress of drug development for UC and eventually benefit patients who suffering from it.
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Affiliation(s)
- Shan Gao
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Haocheng Zheng
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Shujing Xu
- School of Life Science, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Jingwei Kong
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Feng Gao
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Zhijia Wang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Yuan Li
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Ziqi Dai
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Xinqi Jiang
- School of Life Science, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Xia Ding
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Haimin Lei
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, China
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8
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Wang W, Zhang C, Zhang H, Li L, Fan T, Jin Z. The alleviating effect and mechanism of GLP-1 on ulcerative colitis. Aging (Albany NY) 2023; 15:8044-8060. [PMID: 37595257 PMCID: PMC10496996 DOI: 10.18632/aging.204953] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 07/17/2023] [Indexed: 08/20/2023]
Abstract
Ulcerative Colitis (UC) is a major type of chronic inflammatory bowel disease of the colonic mucosa and exhibits progressive morbidity. The incidence and prevalence of UC is increasing worldwide. The global burden of UC, which can substantially reduce quality of life, is clearly increasing. These data highlight the need for research into prevention of UC and innovations in health-care systems to manage this complex and costly disease. Glucagon-like peptide-1 (GLP-1), a new antidiabetic drug, is used to treat Type 2 Diabetes Mellitus (T2DM). Accumulating evidence suggests that GLP-1 has additional roles other than glucose-lowering effects. Despite the abundance of GLP-1 research, studies in UC have been less consistent, especially body weight; for example, body weight, colon length, colon injury score, intestinal microbiota, remain to be studied further. To date, the molecular mechanism of the protective effect of GLP-1 on UC remains obscure. The effect of GLP-1 was studied by using a dextran sulfate sodium (DSS)-induced colitic mice and lipopolysaccharide (LPS) treated RAW264.7 cells (macrophage cell line) under in vivo and in vitro conditions, respectively. Our results indicate that GLP-1 significantly relieves ulcerative colitis as it represses the production of proinflammatory mediators. In addition, GLP-1 blocks the activation of the protein kinase B (AKT)/nuclear factor-κB (NF-κB), and mitogen-activated protein kinase (MAPK) signaling pathways. GLP-1 also alleviates DSS-induced injury to the intestinal mucosa and dysbiosis of gut microbiota. Altogether, GLP-1 has protection effect on ulcerative colitis. Thus, GLP-1 can be considered as a potential therapeutic candidate for the treatment of UC.
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Affiliation(s)
- Wenrui Wang
- Department of Hepatopancreatobiliary Medicine, Digestive Diseases Center, The Second Hospital, Jilin University, Changchun 130000, PR China
| | - Chuan Zhang
- Department of Endocrinology, The Second Hospital of Jilin University, Changchun 130000, PR China
| | - Haolong Zhang
- Department of Gastrointestinal and Colorectal Surgery, China-Japan Union, Hospital of Jilin University, Changchun 130000, PR China
| | - Luyao Li
- Department of Endocrinology, The Second Hospital of Jilin University, Changchun 130000, PR China
| | - Tingting Fan
- Department of Endocrinology, The Second Hospital of Jilin University, Changchun 130000, PR China
| | - Zhenjing Jin
- Department of Hepatopancreatobiliary Medicine, Digestive Diseases Center, The Second Hospital, Jilin University, Changchun 130000, PR China
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9
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Mitra D, Sikdar S, Chakraborty M, Das O, Samanta A, Dutta S. Gum Odina prebiotic prevents experimental colitis in C57BL/6 mice model and its role in shaping gut microbial diversity. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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10
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Deng L, Wojciech L, Png CW, Kioh YQD, Ng GC, Chan ECY, Zhang Y, Gascoigne NRJ, Tan KSW. Colonization with ubiquitous protist Blastocystis ST1 ameliorates DSS-induced colitis and promotes beneficial microbiota and immune outcomes. NPJ Biofilms Microbiomes 2023; 9:22. [PMID: 37185924 PMCID: PMC10130167 DOI: 10.1038/s41522-023-00389-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 04/11/2023] [Indexed: 05/17/2023] Open
Abstract
Blastocystis is a species complex that exhibits extensive genetic diversity, evidenced by its classification into several genetically distinct subtypes (ST). Although several studies have shown the relationships between a specific subtype and gut microbiota, there is no study to show the effect of the ubiquitous Blastocystis ST1 on the gut microbiota and host health. Here, we show that Blastocystis ST1 colonization increased the proportion of beneficial bacteria Alloprevotella and Akkermansia, and induced Th2 and Treg cell responses in normal healthy mice. ST1-colonized mice showed decreases in the severity of DSS-induced colitis when compared to non-colonized mice. Furthermore, mice transplanted with ST1-altered gut microbiota were refractory to dextran sulfate sodium (DSS)-induced colitis via induction of Treg cells and elevated short-chain fat acid (SCFA) production. Our results suggest that colonization with Blastocystis ST1, one of the most common subtypes in humans, exerts beneficial effects on host health through modulating the gut microbiota and adaptive immune responses.
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Affiliation(s)
- Lei Deng
- Laboratory of Molecular and Cellular Parasitology, Healthy Longevity Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore
| | - Lukasz Wojciech
- Immunology Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore
| | - Chin Wen Png
- Laboratory of Molecular and Cellular Parasitology, Healthy Longevity Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore
| | - Yan Qin Dorinda Kioh
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore, 117559, Singapore
| | - Geok Choo Ng
- Laboratory of Molecular and Cellular Parasitology, Healthy Longevity Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore
| | - Eric Chun Yong Chan
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore, 117559, Singapore
| | - Yongliang Zhang
- Laboratory of Molecular and Cellular Parasitology, Healthy Longevity Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore
| | - Nicholas R J Gascoigne
- Immunology Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore
| | - Kevin Shyong Wei Tan
- Laboratory of Molecular and Cellular Parasitology, Healthy Longevity Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore.
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11
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Verhaeghe C, Talikka M, Sewer A, Sierro N, Auberson M, Peric D, Bornand D, Dulize R, Guedj E, Nef P, Tabruyn SP, Hoeng J, Peitsch MC, Lo Sasso G. Tobacco Alkaloid Assessment in a DSS-Induced Colitis Mouse Model with a Fully Humanized Immune System. Int J Mol Sci 2023; 24:ijms24076419. [PMID: 37047398 PMCID: PMC10095104 DOI: 10.3390/ijms24076419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/22/2023] [Accepted: 03/24/2023] [Indexed: 04/03/2023] Open
Abstract
Inflammatory bowel disease (IBD) refers to chronic intestinal immune-mediated diseases including two main disease manifestations: ulcerative colitis (UC) and Crohn’s disease (CD). Epidemiological, clinical, and preclinical evidence has highlighted the potential anti-inflammatory properties of naturally occurring alkaloids. In the present study, we investigated the potential anti-inflammatory activities of the tobacco alkaloids nicotine and anatabine in a dextran sulfate sodium (DSS)-induced UC mouse model with a fully humanized immune system. Our results show that nicotine significantly reduced all acute colitis symptoms and improved colitis-specific endpoints, including histopathologically assessed colon inflammation, tissue damage, and mononuclear cell infiltration. The tobacco alkaloid anatabine showed similar effectiveness trends, although they were generally weaker or not significant. Gene expression analysis in the context of biological network models of IBD further pinpointed a possible mechanism by which nicotine attenuated DSS-induced colitis in humanized mice. The current study enables further investigation of possible molecular mechanisms by which tobacco alkaloids attenuate UC symptoms.
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12
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Wu Y, Ran L, Yang Y, Gao X, Peng M, Liu S, Sun L, Wan J, Wang Y, Yang K, Yin M, Chunyu W. Deferasirox alleviates DSS-induced ulcerative colitis in mice by inhibiting ferroptosis and improving intestinal microbiota. Life Sci 2023; 314:121312. [PMID: 36563842 DOI: 10.1016/j.lfs.2022.121312] [Citation(s) in RCA: 56] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 12/14/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022]
Abstract
AIMS Ulcerative colitis (UC) is a chronic inflammatory bowel disease (IBD) caused by multiple factors. Studies have shown that epithelial cell damage was associated with ferroptosis in UC. Therefore, our research focused on the effects and mechanism of iron chelator deferasirox in UC. MAIN METHODS The UC model was induced by 2.5 % dextran sulfate sodium salt (DSS) and administered with deferasirox (10 mg/kg) for 7 days. Histological pathologies, inflammatory response, ferrous iron contents, oxidative stress and ferroptosis regulators were determined. Intestinal microbiota alteration and short-chain fatty acids (SCFAs) production were analyzed through 16S rRNA gene sequencing and targeted metabolomics. KEY FINDINGS Deferasirox significantly relieved the DSS-induced UC in mice, as evidenced by weight loss, survival rate, colon length shortening disease activity index (DAI) score and histology score. Deferasirox treatment reduced the level of pro inflammatory cytokines (IL-1β, IL-6, TNF-α and INF-γ). Ferroptosis was induced in mice with UC, as evidenced by ferrous iron accumulation, increased ROS production, SOD and GSH depletion, decreased the expression of GPX-4 and FTH, accompanied by increased expression of TF. Deferasirox treatment strongly reversed the alterations caused by ferroptotic characteristics in DSS-induced mice. Moreover, deferasirox treatment reshaped the composition of intestinal microbiota. The results revealed the genera of norank_f__Muribaculaceae, Lachnospiraceae_NK4A136_group, Prevotellaceae_UCG-001, Odoribacter and Blautia were increased distinctly, while Escherichia-Shigella and Streptococcus were significantly decreased by deferasirox treatment. Targeted metabolomics analysis indicated the SCFAs production enhanced in deferasirox-treated mice. SIGNIFICANCE Our results suggested that deferasirox could treat DSS-induced UC in mice by inhibiting ferroptosis and improving intestinal microbiota.
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Affiliation(s)
- Yi Wu
- Department of Pathogen Biology and Immunology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, China; Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Lei Ran
- Department of Pathogen Biology and Immunology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, China
| | - Yue Yang
- Department of Anesthesiology, The Affiliated Hospital of Yunnan University, Kunming, China
| | - Xianling Gao
- Department of Pathogen Biology and Immunology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, China; Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Man Peng
- Department of Pathogen Biology and Immunology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, China
| | - Sida Liu
- Department of Pathogen Biology and Immunology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, China
| | - Le Sun
- Department of Pathogen Biology and Immunology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, China
| | - Jia Wan
- Department of Vascular Surgery, The Affiliated Hospital of Yunnan University, Kunming, China
| | - Yu Wang
- Department of Pathogen Biology and Immunology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, China
| | - Kun Yang
- Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, Kunming, China.
| | - Min Yin
- School of Medicine, Yunnan University, Kunming, China.
| | - Weixun Chunyu
- Department of Pathogen Biology and Immunology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, China.
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13
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Dietary-Induced Bacterial Metabolites Reduce Inflammation and Inflammation-Associated Cancer via Vitamin D Pathway. Int J Mol Sci 2023; 24:ijms24031864. [PMID: 36768196 PMCID: PMC9914969 DOI: 10.3390/ijms24031864] [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: 07/01/2022] [Revised: 12/23/2022] [Accepted: 01/09/2023] [Indexed: 01/19/2023] Open
Abstract
Environmental factors, including westernised diets and alterations to the gut microbiota, are considered risk factors for inflammatory bowel diseases (IBD). The mechanisms underpinning diet-microbiota-host interactions are poorly understood in IBD. We present evidence that feeding a lard-based high-fat (HF) diet can protect mice from developing DSS-induced acute and chronic colitis and colitis-associated cancer (CAC) by significantly reducing tumour burden/incidence, immune cell infiltration, cytokine profile, and cell proliferation. We show that HF protection was associated with increased gut microbial diversity and a significant reduction in Proteobacteria and an increase in Firmicutes and Clostridium cluster XIVa abundance. Microbial functionality was modulated in terms of signalling fatty acids and bile acids (BA). Faecal secondary BAs were significantly induced to include moieties that can activate the vitamin D receptor (VDR), a nuclear receptor richly represented in the intestine and colon. Indeed, colonic VDR downstream target genes were upregulated in HF-fed mice and in combinatorial lipid-BAs-treated intestinal HT29 epithelial cells. Collectively, our data indicate that HF diet protects against colitis and CAC risk through gut microbiota and BA metabolites modulating vitamin D targeting pathways. Our data highlights the complex relationship between dietary fat-induced alterations of microbiota-host interactions in IBD/CAC pathophysiology.
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14
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Noureldein M, Nawfal R, Bitar S, Maxwell SS, Khurana I, Kassouf HK, Khuri FR, El-Osta A, Eid AA. Intestinal microbiota regulates diabetes and cancer progression by IL-1β and NOX4 dependent signaling cascades. Cell Mol Life Sci 2022; 79:502. [PMID: 36040503 DOI: 10.1007/s00018-022-04485-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 06/21/2022] [Accepted: 07/12/2022] [Indexed: 11/03/2022]
Abstract
Diabetes changes the host microbiota, a condition known as dysbiosis. Dysbiosis is an important factor for the pathogenesis of diabetes and colorectal cancer (CRC). We aimed at identifying the microbial signature associated with diabetes and CRC; and identifying the signaling mechanism altered by dysbiosis and leading to CRC progression in diabetes. MKR mice that can spontaneously develop type 2 diabetes were used. For CRC induction, another subset of mice was treated with azoxymethane and dextran sulfate sodium. To identify the role of microbiota, microbiota-depleted mice were inoculated with fecal microbial transplant from diabetic and CRC mice. Further, a mouse group was treated with probiotics. At the end of the treatment, 16S rRNA sequencing was performed to identify microbiota in the fecal samples. Blood was collected, and colons were harvested for molecular, anatomical, and histological analysis. Our results show that diabetes is associated with a microbial signature characterized by reduction of butyrate-forming bacteria. This dysbiosis is associated with gastrointestinal complications reflected by a reduction in colon lengths. These changes are reversed upon treatment with probiotics, which rectified the observed dysbiosis. Inoculation of control mice with diabetic or cancer microbiota resulted in the development of increased number of polyps. Our data also show that inflammatory cytokines (mainly interleukin (IL)-1β) and NADPH oxidase (NOX)4 are over-expressed in the colon tissues of diabetic mice. Collectively our data suggest that diabetes is associated with dysbiosis characterized by lower abundance of butyrate-forming bacteria leading to over-expression of IL-1β and NOX4 leading to gastrointestinal complications and CRC.
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Affiliation(s)
- Mohamed Noureldein
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine and Medical Center, American University of Beirut, Bliss Street, 11-0236, Riad El-Solh, Beirut, 1107-2020, Lebanon.,AUB Diabetes, Faculty of Medicine and Medical Center, American University of Beirut, Beirut, Lebanon
| | - Rashad Nawfal
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine and Medical Center, American University of Beirut, Bliss Street, 11-0236, Riad El-Solh, Beirut, 1107-2020, Lebanon.,AUB Diabetes, Faculty of Medicine and Medical Center, American University of Beirut, Beirut, Lebanon
| | - Sara Bitar
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine and Medical Center, American University of Beirut, Bliss Street, 11-0236, Riad El-Solh, Beirut, 1107-2020, Lebanon.,AUB Diabetes, Faculty of Medicine and Medical Center, American University of Beirut, Beirut, Lebanon
| | - Scott S Maxwell
- Epigenetics in Human Health and Disease, Department of Diabetes, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Ishant Khurana
- Epigenetics in Human Health and Disease, Department of Diabetes, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Hala Kfoury Kassouf
- Department of Pathology, Faculty of Medicine and Medical Center, American University of Beirut, Beirut, Lebanon
| | - Fadlo R Khuri
- Department of Internal Medicine, Faculty of Medicine and Medical Center, American University of Beirut, Beirut, Lebanon
| | - Assam El-Osta
- Epigenetics in Human Health and Disease, Department of Diabetes, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia.,Hong Kong Institute of Diabetes and Obesity, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Assaad A Eid
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine and Medical Center, American University of Beirut, Bliss Street, 11-0236, Riad El-Solh, Beirut, 1107-2020, Lebanon. .,AUB Diabetes, Faculty of Medicine and Medical Center, American University of Beirut, Beirut, Lebanon.
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15
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Liu C, Jiang Y, Liu G, Guo Z, Jin Q, Long D, Zhou W, Qian K, Zhao H, Liu K. PPARGC1A affects inflammatory responses in photodynamic therapy (PDT)-treated inflammatory bowel disease (IBD). Biochem Pharmacol 2022; 202:115119. [PMID: 35667414 DOI: 10.1016/j.bcp.2022.115119] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 05/25/2022] [Accepted: 05/31/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Chronic inflammation of the gastrointestinal tract is a feature of inflammatory bowel disease (IBD), including Crohn's disease (CD) and ulcerative colitis (UC). Targeting inflammatory signaling represents promising strategy for IBD treatment regimens. METHODS Dextran sulfate sodium (DSS)-induced colitis model was established in mice. Histopathological examinations were conducted by H&E staining and IHC staining. IL-1β, IL-10, and TNF-α were tested by ELISA kits. TargetScan was used to predict miRNAs that target PPARGC1A and luciferase activity assay was performed to validate the predicted binding. RESULTS DSS-induced acute colitis model was successfully established in mice; photodynamic therapy (PDT) treatment partially improved DSS-induced colonic damages and cell inflammation. Microarray assays and integrative bioinformatics analysis identified PPARG coactivator 1 alpha (PPARGC1A) as a significantly differentially-expressed gene in PDT-treated IBD compared with non-treated IBD. PPARGC1A expression was downregulated in IBD clinical samples, DSS-induced colitis mice colons, and DSS-stimulated colonic epithelial cells, whereas partially upregulated by PDT treatment in DSS-stimulated cells. Single DSS stimulation significantly promoted cellular inflammation; PDT partially attenuated, whereas sh-PPARGC1A transduction further enhanced DSS effects on cancer cell inflammation. In colitis mice, DSS decreased PPRA-α and PPRA-γ proteins in mice colons; the in vivo effects of DSS were partially attenuated by PDT treatment, whereas amplified by sh-PPARGC1A transduction. Upstream miR-301a-3p targeted and inhibited PPARGC1A expression. CONCLUSIONS Collectively, PPARGC1A, which is downregulated in DSS-induced acute colitis and DSS-stimulated colonic epithelial cells, could be upregulated by PDT treatment. PPARGC1A knockdown could attenuate PDT therapeutic effects on DSS-induced acute colitis and DSS-stimulated colonic epithelial cells.
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Affiliation(s)
- Chao Liu
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Yuhong Jiang
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Ganglei Liu
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Zhushu Guo
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Qianqian Jin
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Dongju Long
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Weihan Zhou
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Ke Qian
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Hua Zhao
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Kuijie Liu
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha 410011, China.
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16
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Cariello M, Zerlotin R, Pasculli E, Piccinin E, Peres C, Porru E, Roda A, Gadaleta RM, Moschetta A. Intestinal FXR Activation via Transgenic Chimera or Chemical Agonism Prevents Colitis-Associated and Genetically-Induced Colon Cancer. Cancers (Basel) 2022; 14:cancers14133081. [PMID: 35804854 PMCID: PMC9265121 DOI: 10.3390/cancers14133081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/20/2022] [Accepted: 06/21/2022] [Indexed: 12/22/2022] Open
Abstract
Simple Summary Disruption of Bile Acids (BA) regulation with increased BA concentration and modulation or their detergent pro-inflammatory activity has been linked to colorectal cancer (CRC). Farnesoid X Receptor (FXR) is the master regulator of BA homeostasis; FXR is a nuclear receptor that transcriptionally modulates their synthesis, transport and metabolism. In this study, we demonstrated that intestinal FXR activation prevented both inflammation- and genetically-driven colorectal tumorigenesis by modulating BA pool size and composition. This could open new avenues for the therapeutic management of intestinal inflammation and tumorigenesis. Abstract The Farnesoid X Receptor (FXR) is the master regulator of Bile Acids (BA) homeostasis orchestrating their synthesis, transport and metabolism. Disruption of BA regulation has been linked to gut-liver axis diseases such as colorectal cancer (CRC). In this study, firstly we examined the role of constitutive activation of intestinal FXR in CRC; then we pre-clinically investigated the therapeutic potential of a diet enriched with a synthetic FXR agonist in two models of CRC (chemically-induced and genetic models). We demonstrated that mice with intestinal constitutive FXR activation are protected from AOM/DSS-induced CRC with a significant reduction of tumor number compared to controls. Furthermore, we evaluated the role of chemical FXR agonism in a DSS model of colitis in wild type (WT) and FXRnull mice. WT mice administered with the FXR activating diet showed less morphological alterations and decreased inflammatory infiltrates compared to controls. The FXR activating diet also protected WT mice from AOM/DSS-induced CRC by reducing tumors’ number and size. Finally, we proved that the FXR activating diet prevented spontaneous CRC in APCMin/+ mice via an FXR-dependent modulation of BA homeostasis. Our results demonstrate that intestinal FXR activation prevented both inflammation- and genetically-driven colorectal tumorigenesis by modulating BA pool size and composition. This could open new avenues for the therapeutic management of intestinal inflammation and tumorigenesis.
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Affiliation(s)
- Marica Cariello
- Department of Interdisciplinary Medicine, University of Bari “Aldo Moro”, Piazza Giulio Cesare 11, 70124 Bari, Italy; (M.C.); (R.Z.); (E.P.); (C.P.)
- National Institute of Biostructures and Biosystems (INBB), 00136 Rome, Italy; (E.P.); (A.R.)
| | - Roberta Zerlotin
- Department of Interdisciplinary Medicine, University of Bari “Aldo Moro”, Piazza Giulio Cesare 11, 70124 Bari, Italy; (M.C.); (R.Z.); (E.P.); (C.P.)
| | - Emanuela Pasculli
- Department of Interdisciplinary Medicine, University of Bari “Aldo Moro”, Piazza Giulio Cesare 11, 70124 Bari, Italy; (M.C.); (R.Z.); (E.P.); (C.P.)
| | - Elena Piccinin
- Department of Basic Medical Science, Neurosciences and Sense Organs, University of Bari “Aldo Moro”, Piazza Giulio Cesare 11, 70124 Bari, Italy;
| | - Claudia Peres
- Department of Interdisciplinary Medicine, University of Bari “Aldo Moro”, Piazza Giulio Cesare 11, 70124 Bari, Italy; (M.C.); (R.Z.); (E.P.); (C.P.)
| | - Emanuele Porru
- National Institute of Biostructures and Biosystems (INBB), 00136 Rome, Italy; (E.P.); (A.R.)
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, 40126 Bologna, Italy
| | - Aldo Roda
- National Institute of Biostructures and Biosystems (INBB), 00136 Rome, Italy; (E.P.); (A.R.)
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, 40126 Bologna, Italy
| | - Raffaella Maria Gadaleta
- Department of Interdisciplinary Medicine, University of Bari “Aldo Moro”, Piazza Giulio Cesare 11, 70124 Bari, Italy; (M.C.); (R.Z.); (E.P.); (C.P.)
- Correspondence: (R.M.G.); (A.M.); Tel.: +39-3515833893 (R.M.G.); +39-0805593262 (A.M.)
| | - Antonio Moschetta
- Department of Interdisciplinary Medicine, University of Bari “Aldo Moro”, Piazza Giulio Cesare 11, 70124 Bari, Italy; (M.C.); (R.Z.); (E.P.); (C.P.)
- National Institute of Biostructures and Biosystems (INBB), 00136 Rome, Italy; (E.P.); (A.R.)
- Correspondence: (R.M.G.); (A.M.); Tel.: +39-3515833893 (R.M.G.); +39-0805593262 (A.M.)
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17
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Deng L, Wojciech L, Png CW, Koh EY, Aung TT, Kioh DYQ, Chan ECY, Malleret B, Zhang Y, Peng G, Gascoigne NRJ, Tan KSW. Experimental colonization with Blastocystis ST4 is associated with protective immune responses and modulation of gut microbiome in a DSS-induced colitis mouse model. Cell Mol Life Sci 2022; 79:245. [PMID: 35435504 PMCID: PMC9016058 DOI: 10.1007/s00018-022-04271-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 02/27/2022] [Accepted: 03/22/2022] [Indexed: 02/06/2023]
Abstract
Background Blastocystis is a common gut protistan parasite in humans and animals worldwide, but its interrelationship with the host gut microbiota and mucosal immune responses remains poorly understood. Different murine models of Blastocystis colonization were used to examine the effect of a common Blastocystis subtype (ST4) on host gut microbial community and adaptive immune system. Results Blastocystis ST4-colonized normal healthy mice and Rag1−/− mice asymptomatically and was able to alter the microbial community composition, mainly leading to increases in the proportion of Clostridia vadinBB60 group and Lachnospiraceae NK4A136 group, respectively. Blastocystis ST4 colonization promoted T helper 2 (Th2) response defined by interleukin (IL)-5 and IL-13 cytokine production, and T regulatory (Treg) induction from colonic lamina propria in normal healthy mice. Additionally, we observed that Blastocystis ST4 colonization can maintain the stability of bacterial community composition and induce Th2 and Treg immune responses to promote faster recovery from experimentally induced colitis. Furthermore, fecal microbiota transplantation of Blastocystis ST4-altered gut microbiome to colitis mice reduced the severity of colitis, which was associated with increased production of short-chain fat acids (SCFAs) and anti-inflammatory cytokine IL-10. Conclusions The data confirm our hypothesis that Blastocystis ST4 is a beneficial commensal, and the beneficial effects of Blastocystis ST4 colonization is mediated through modulating of the host gut bacterial composition, SCFAs production, and Th2 and Treg responses in different murine colonization models. Supplementary Information The online version contains supplementary material available at 10.1007/s00018-022-04271-9.
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Affiliation(s)
- Lei Deng
- Laboratory of Molecular and Cellular Parasitology, Healthy Longevity Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore.,The Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Lukasz Wojciech
- Department of Microbiology and Immunology, Immunology Translational Research Programme, Yong Loo Lin School of Medicine, Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, 117597, Singapore
| | - Chin Wen Png
- Laboratory of Molecular and Cellular Parasitology, Healthy Longevity Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore
| | - Eileen Yiling Koh
- Laboratory of Molecular and Cellular Parasitology, Healthy Longevity Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore
| | - Thet Tun Aung
- Department of Microbiology and Immunology, Immunology Translational Research Programme, Yong Loo Lin School of Medicine, Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, 117597, Singapore
| | - Dorinda Yan Qin Kioh
- Department of Pharmacy, Faculty of Science, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore
| | - Eric Chun Yong Chan
- Department of Pharmacy, Faculty of Science, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore
| | - Benoit Malleret
- Department of Microbiology and Immunology, Immunology Translational Research Programme, Yong Loo Lin School of Medicine, Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, 117597, Singapore.,Singapore Immunology Network (SIgN), A*STAR, 8A Biomedical Grove, Immunos Building, Singapore, 138648, Singapore
| | - Yongliang Zhang
- Laboratory of Molecular and Cellular Parasitology, Healthy Longevity Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore
| | - Guangneng Peng
- The Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
| | - Nicholas Robert John Gascoigne
- Department of Microbiology and Immunology, Immunology Translational Research Programme, Yong Loo Lin School of Medicine, Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, 117597, Singapore
| | - Kevin Shyong Wei Tan
- Laboratory of Molecular and Cellular Parasitology, Healthy Longevity Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore, 117545, Singapore.
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18
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Liu H, Gao P, Jia B, Lu N, Zhu B, Zhang F. IBD-Associated Atg16L1T300A Polymorphism Regulates Commensal Microbiota of the Intestine. Front Immunol 2022; 12:772189. [PMID: 35154071 PMCID: PMC8829142 DOI: 10.3389/fimmu.2021.772189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 12/13/2021] [Indexed: 11/13/2022] Open
Abstract
The development of inflammatory bowel disease (IBD) is driven by the interaction among host genetics, microbiota, and the immune system of the entire digestive tract. Atg16L1T300A polymorphism is a genetic factor that confers increased risk for the pathogenesis of Crohn's disease. However, the exact contributions of Atg16L1T300A to intestinal mucosal homeostasis are not well understood. Here we show that Atg16L1T300A polymorphism impacts commensal bacterial flora in the intestine under a steady state. Analysis of intestinal bacteria from Atg16L1T300A/T300A mice showed that they harbored an altered microbiota in both the terminal ileum and colon compared to cohoused WT mice. Interestingly, Atg16L1T300A/T300A mice harbored a significant increase in the abundance of Tyzzerella, Mucispirillum, Ruminococcaceae, and Cyanobacteria which were known associated with IBD. Moreover, Akkermansia, a bacterium that is mucin-associated, was reduced greatly in Atg16L1T300A/T300A mice. Further analysis indicated that goblet cells of Atg16L1T300A/T300A mice had diminished mucin secretion that resulted from defective autophagy. Finally, Atg16L1T300A/T300A mice developed more severe inflammation in the DSS colitis model than in WT mice. These results indicate that the altered microbiota in Atg16L1T300A/T300A mice might be an important factor that contributed to the risk of Atg16L1T300A carriers to Crohn's disease and supports a multi-hit disease model involving specific gene-microbe interactions.
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Affiliation(s)
- Hongtao Liu
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences (CAS), Beijing, China.,College of Life Science, University of Chinese Academy of Sciences, Beijing, China
| | - Ping Gao
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences (CAS), Beijing, China
| | - Baoqian Jia
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences (CAS), Beijing, China
| | - Na Lu
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences (CAS), Beijing, China
| | - Baoli Zhu
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences (CAS), Beijing, China.,Department of Savaid Medical School, University of Chinese Academy of Sciences, Beijing, China
| | - Fuping Zhang
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences (CAS), Beijing, China.,Department of Savaid Medical School, University of Chinese Academy of Sciences, Beijing, China
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19
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Zhao P, Xia X, Xu X, Leung KKC, Rai A, Deng Y, Yang B, Lai H, Peng X, Shi P, Zhang H, Chiu PWY, Bian L. Nanoparticle-assembled bioadhesive coacervate coating with prolonged gastrointestinal retention for inflammatory bowel disease therapy. Nat Commun 2021; 12:7162. [PMID: 34887414 PMCID: PMC8660811 DOI: 10.1038/s41467-021-27463-6] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 11/17/2021] [Indexed: 12/30/2022] Open
Abstract
A key challenge for the effective treatment of gastrointestinal diseases including inflammatory bowel disease is to develop an orally administered drug delivery system capable of prolonged retention in the gastrointestinal tract. Herein we report a bioadhesive liquid coacervate based on hydrogen bonding-driven nanoparticle assembly. Free from electrostatic interactions, our fluid nanoparticle-assembled coacervate demonstrates significant pH- and salt-independent structural stability and forms a physically adhesive coating on a large surface area of intestinal tract with an extended residence time of more than 2 days to mediate the sustained release of preloaded water-soluble small molecule drugs in vivo. The orally administered drug-laden nanoparticle-assembled coacervate significantly mitigates the symptoms of inflammatory bowel disease, restores the diversity of gut microbiota, reduces systemic drug exposure, and improves the therapeutic efficacy in a rat acute colitis model compared with the oral administration of the same amount of drug in solution form. We suggest that the nanoparticle-assembled coacervate provides a promising drug delivery platform for management and treatment of numerous gastrointestinal diseases where controlled drug release with extended residence time is desired.
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Affiliation(s)
- Pengchao Zhao
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Xianfeng Xia
- Department of Endoscopy, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510000, China
- Chow Yuk Ho Technology Centre for Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Xiayi Xu
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Kevin Kai Chung Leung
- Department of Surgery, Institute of Digestive Disease, State Key Laboratory of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Aliza Rai
- Department of Surgery, Institute of Digestive Disease, State Key Laboratory of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Yingrui Deng
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Boguang Yang
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Huasheng Lai
- Department of Surgery, Institute of Digestive Disease, State Key Laboratory of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Xin Peng
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Peng Shi
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Honglu Zhang
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Philip Wai Yan Chiu
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China.
- Chow Yuk Ho Technology Centre for Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, 999077, China.
- Department of Surgery, Institute of Digestive Disease, State Key Laboratory of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, 999077, China.
| | - Liming Bian
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China.
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China.
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20
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Deng M, Wu X, Duan X, Xu J, Yang X, Sheng X, Lou P, Shao C, Lv C, Yu Z. Lactobacillus paracasei L9 improves colitis by expanding butyrate-producing bacteria that inhibit the IL-6/STAT3 signaling pathway. Food Funct 2021; 12:10700-10713. [PMID: 34605504 DOI: 10.1039/d1fo02077c] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Inflammatory bowel disease (IBD) is a chronic intestinal inflammation that is currently incurable. Increasing evidence indicates that supplementation with probiotics could improve the symptoms of IBD. It is scientifically significant to identify novel and valid strains for treating IBD. It has been reported that the probiotic Lactobacillus paracasei L9 (L9), which is identified from the gut of healthy centenarians, can modulate host immunity and plays an anti-allergic role. Here, we demonstrated that L9 alleviates the pathological phenotypes of experimental colitis by expanding the abundance of butyrate-producing bacteria. Oral administration of sodium butyrate in experimental colitis recapitulates the L9 anti-inflammatory phenotypes. Mechanistically, sodium butyrate ameliorated the inflammatory responses by inhibiting the IL-6/STAT3 signaling pathway in colitis. Overall, these findings demonstrated that L9 alleviates the DSS-induced colitis development by enhancing the abundance of butyrate-producing bacterial strains that produce butyrate to suppress the IL-6/STAT3 signaling pathway, providing new insight into a promising therapeutic target for the remission of IBD.
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Affiliation(s)
- Min Deng
- State Key Laboratories for Agrobiotechnology, Department of Nutrition and Health, College of Biological Sciences, China Agricultural University, Beijing, 100193, China.
| | - Xi Wu
- State Key Laboratories for Agrobiotechnology, Department of Nutrition and Health, College of Biological Sciences, China Agricultural University, Beijing, 100193, China.
| | - Xiaoyue Duan
- State Key Laboratories for Agrobiotechnology, Department of Nutrition and Health, College of Biological Sciences, China Agricultural University, Beijing, 100193, China.
| | - Jiuzhi Xu
- State Key Laboratories for Agrobiotechnology, Department of Nutrition and Health, College of Biological Sciences, China Agricultural University, Beijing, 100193, China.
| | - Xu Yang
- State Key Laboratories for Agrobiotechnology, Department of Nutrition and Health, College of Biological Sciences, China Agricultural University, Beijing, 100193, China.
| | - Xiaole Sheng
- State Key Laboratories for Agrobiotechnology, Department of Nutrition and Health, College of Biological Sciences, China Agricultural University, Beijing, 100193, China.
| | - Pengbo Lou
- State Key Laboratories for Agrobiotechnology, Department of Nutrition and Health, College of Biological Sciences, China Agricultural University, Beijing, 100193, China.
| | - Chunlei Shao
- State Key Laboratories for Agrobiotechnology, Department of Nutrition and Health, College of Biological Sciences, China Agricultural University, Beijing, 100193, China.
| | - Cong Lv
- Key Laboratory of Precision Nutrition and Food Quality, Ministry of Education, Department of Nutrition and Health, China Agricultural University, Beijing, 100193, China.
| | - Zhengquan Yu
- State Key Laboratories for Agrobiotechnology, Department of Nutrition and Health, College of Biological Sciences, China Agricultural University, Beijing, 100193, China.
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21
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Basso PJ, Sales-Campos H, Nardini V, Duarte-Silva M, Alves VBF, Bonfá G, Rodrigues CC, Ghirotto B, Chica JEL, Nomizo A, Cardoso CRDB. Peroxisome Proliferator-Activated Receptor Alpha Mediates the Beneficial Effects of Atorvastatin in Experimental Colitis. Front Immunol 2021; 12:618365. [PMID: 34434187 PMCID: PMC8382038 DOI: 10.3389/fimmu.2021.618365] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 07/20/2021] [Indexed: 01/20/2023] Open
Abstract
The current therapeutic options for Inflammatory Bowel Diseases (IBD) are limited. Even using common anti-inflammatory, immunosuppressive or biological therapies, many patients become unresponsive to the treatments, immunosuppressed or unable to restrain secondary infections. Statins are cholesterol-lowering drugs with non-canonical anti-inflammatory properties, whose underlying mechanisms of action still remain poorly understood. Here, we described that in vitro atorvastatin (ATO) treatment was not toxic to splenocytes, constrained cell proliferation and modulated IL-6 and IL-10 production in a dose-dependent manner. Mice exposed to dextran sulfate sodium (DSS) for colitis induction and treated with ATO shifted their immune response from Th17 towards Th2, improved the clinical and histological aspects of intestinal inflammation and reduced the number of circulating leukocytes. Both experimental and in silico analyses revealed that PPAR-α expression is reduced in experimental colitis, which was reversed by ATO treatment. While IBD patients also downregulate PPAR-α expression, the responsiveness to biological therapy relied on the restoration of PPAR-α levels. Indeed, the in vitro and in vivo effects induced by ATO treatment were abrogated in Ppara-/- mice or leukocytes. In conclusion, the beneficial effects of ATO in colitis are dependent on PPAR-α, which could also be a potential predictive biomarker of therapy responsiveness in IBD.
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Affiliation(s)
- Paulo José Basso
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Helioswilton Sales-Campos
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Viviani Nardini
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Murillo Duarte-Silva
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Vanessa Beatriz Freitas Alves
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Giuliano Bonfá
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Cassiano Costa Rodrigues
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Bruno Ghirotto
- Departmento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Javier Emílio Lazo Chica
- Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
| | - Auro Nomizo
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Cristina Ribeiro de Barros Cardoso
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
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22
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Effects of olives and their constituents on the expression of ulcerative colitis: a systematic review of randomised controlled trials. Br J Nutr 2021; 127:1153-1171. [PMID: 34100354 DOI: 10.1017/s0007114521001999] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Extra virgin olive oil is often associated with anti-inflammatory and antioxidant properties. Its effects on inflammatory conditions such as ulcerative colitis (UC), however, have yet to be defined. As such, we aimed to conduct a systematic review and meta-analysis of studies investigating olive-based interventions in UC. A comprehensive database search for randomised controlled trials was performed between 9 July 2018 and 16 August 2018. Studies identified from search alerts were included up to 22 June 2020. Both individuals living with UC at any disease stage and murine models of UC were included in this review. No human trials meeting the eligibility criteria were identified, while nineteen animal studies comprised 849 murine models of UC were included in this review. Pooling of the data could not be performed due to heterogeneous outcomes; however, general trends favouring olive-based interventions were identified. Milder disease expression including weight maintenance, reduced rectal bleeding and well-formed stools favouring olive-based interventions was statistically significant in 16/19 studies, with moderate-to-large effect sizes (-0·66 (95 % CI -1·56, 0·24) to -12·70 (95 % CI -16·8, -8·7)). Olive-based interventions did not prevent the development of colitis-like pathologies in any study. In conclusion, effects of olive-based interventions on murine models of UC appear promising, with milder disease outcomes favouring the intervention in most trials and effect sizes suggesting potential clinical relevance. However, the lack of published randomised controlled human trials warrants further investigation to determine if these effects would translate to individuals living with UC.
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23
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Tian WJ, Wang QN, Wang XF, Dong DF. Clophosome alleviate dextran sulphate sodium-induced colitis by regulating gut immune responses and maintaining intestinal integrity in mice. Clin Exp Pharmacol Physiol 2021; 48:902-910. [PMID: 33527445 DOI: 10.1111/1440-1681.13468] [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: 12/14/2020] [Accepted: 01/12/2021] [Indexed: 01/08/2023]
Abstract
Inflammatory bowel disease (IBD) is a chronic progressive disorder characterized by complicated gastrointestinal inflammation. Research on therapeutic agents is still urgent due to the lack of satisfactory treatments. Gut macrophages are considered to be predominant in excessive inflammatory responses. Thus, we aimed to investigate whether depletion of macrophages would have a beneficial effect on IBD and could be a potential therapeutic strategy. In this study, we established a 12-day Dextran sodium sulphate (DSS)-induced colitis mouse model and determined the effect of the macrophage depletion agent Clophosome (neutral clodronate liposomes; CNC). The results showed that CNC significantly alleviated the symptoms of colitis, as demonstrated by greater weight gain, decreased disease activity index (DAI) scores, and lower histopathological damage scores, as well was reduced levels of the proinflammatory cytokines interleukin (IL)-6 and tumour necrosis factor (TNF)-α. To investigate T cell subsets, cells were isolated from the lamina propria and cultured to analyse the expression of IL-17A, interferon (IFN)-γ and Foxp3 in CD4+ cells by flow cytometry. The data showed that during the process of colitis, the frequencies of CD4+ IL-17A+ T cells were significantly increased. Notably, CNC treatment markedly reduced the population of CD4+ IL-17A+ T cells, especially CD4+ IL-17A+ IFN-γ+ T cells. Furthermore, intestinal barrier integrity, as assessed by immunostaining of mucin and tight junction proteins, was severely disrupted in colitis. CNC improved the intestinal barrier by enhancing the expression of muc-2 and occludin. In summary, our findings demonstrated that CNC successfully ameliorated DSS-induced colitis and that its effect may be associated with inhibiting inflammatory responses and maintaining intestinal integrity.
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Affiliation(s)
- Wen-Jie Tian
- Faculty of Medical Laboratory Science, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Qian-Nan Wang
- Department of Pathology and Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Xue-Feng Wang
- Faculty of Medical Laboratory Science, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Dan-Feng Dong
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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24
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Price TR, Baskaran SA, Moncada KL, Minamoto Y, Klemashevich C, Jayuraman A, Sucholdoski JS, Tedeschi LO, Steiner JM, Pillai SD, Walzem RL. Whole and Isolated Protein Fractions Differentially Affect Gastrointestinal Integrity Markers in C57Bl/6 Mice Fed Diets with a Moderate-Fat Content. Nutrients 2021; 13:nu13041251. [PMID: 33920187 PMCID: PMC8069602 DOI: 10.3390/nu13041251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 04/07/2021] [Accepted: 04/07/2021] [Indexed: 11/16/2022] Open
Abstract
Various proteins or protein fractions reportedly positively affect gastrointestinal integrity and inflammation in diets providing >45% energy as fat. This study tested whether benefits were seen in diets providing 30% of energy as fat. Purified diets (PD) with isolated soy protein (ISP), dried whole milk powder (DWMP), milk fat globule membrane (MFGM), or milk protein concentrate (MPC) as protein sources were fed to C57BL/6J mice (n = 15/diet group) for 13 weeks. MFGM-fed mice were heaviest (p < 0.005) but remained within breeder norms. Growth rates and gut motility were similar for all PD-fed mice. FITC-dextran assessed gut permeability was lowest in DWMP and MFGM (p = 0.054); overall, plasma endotoxin and unprovoked circulating cytokines indicated a non-inflammatory state for all PD-fed mice. Despite differences in cecal butyrate and intestinal gene expression, all PDs supported gastrointestinal health. Whole milk provided more positive effects compared to its fractions. However, ISP-fed mice showed a >370%, (p < 0.006) increase in colonic myeloperoxidase activity indicative of tissue neutrophil infiltration. Surprisingly, FITC-dextran and endotoxin outcomes were many folds better in PD-fed mice than mice (strain, vendor, age and sex matched) fed a “chow-type” nutritionally adequate non-PD. Additional variables within a diet’s matrix appear to affect routine indicators or gastrointestinal health.
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Affiliation(s)
- Tara R. Price
- Department of Nutrition, Texas A&M University, College Station, TX 77843, USA;
| | - Sangeetha A. Baskaran
- Department of Poultry Science, Texas A&M University, College Station, TX 77843, USA; (S.A.B.); (K.L.M.)
| | - Kristin L. Moncada
- Department of Poultry Science, Texas A&M University, College Station, TX 77843, USA; (S.A.B.); (K.L.M.)
| | - Yasushi Minamoto
- Gastrointestinal Laboratory, Dept. Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA; (Y.M.); (J.S.S.); (J.M.S.)
| | - Cory Klemashevich
- Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA; (C.K.); (A.J.)
| | - Arul Jayuraman
- Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA; (C.K.); (A.J.)
| | - Jan S. Sucholdoski
- Gastrointestinal Laboratory, Dept. Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA; (Y.M.); (J.S.S.); (J.M.S.)
| | - Luis O. Tedeschi
- Department of Animal Science, Texas A&M University, College Station, TX 77843, USA;
- Graduate Faculty of Nutrition, Texas A&M University, College Station, TX 77843, USA;
| | - Jörg M. Steiner
- Gastrointestinal Laboratory, Dept. Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA; (Y.M.); (J.S.S.); (J.M.S.)
| | - Suresh D. Pillai
- Graduate Faculty of Nutrition, Texas A&M University, College Station, TX 77843, USA;
- Department of Food Science and Technology, Texas A&M University, College Station, TX 77843, USA
| | - Rosemary L. Walzem
- Department of Poultry Science, Texas A&M University, College Station, TX 77843, USA; (S.A.B.); (K.L.M.)
- Graduate Faculty of Nutrition, Texas A&M University, College Station, TX 77843, USA;
- Correspondence:
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25
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Li S, Wang T, Wu B, Fu W, Xu B, Pamuru RR, Kennett M, Vanamala JKP, Reddivari L. Anthocyanin-containing purple potatoes ameliorate DSS-induced colitis in mice. J Nutr Biochem 2021; 93:108616. [PMID: 33705951 DOI: 10.1016/j.jnutbio.2021.108616] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 12/19/2020] [Accepted: 02/04/2021] [Indexed: 12/13/2022]
Abstract
Ulcerative colitis (UC), a major form of inflammatory bowel disease (IBD), is on the rise worldwide. Approximately three million people suffer from IBD in the United States alone, but the current therapeutic options (e.g., corticosteroids) come with adverse side effects including reduced ability to fight infections. Thus, there is a critical need for developing effective, safe and evidence-based food products with anti-inflammatory activity. This study evaluated the antiinflammatory potential of purple-fleshed potato using a dextran sodium sulfate (DSS) murine model of colitis. Mice were randomly assigned to control (AIN-93G diet), P15 (15% purple-fleshed potato diet) and P25 (25% purple-fleshed potato diet) groups. Colitis was induced by 2% DSS administration in drinking water for six days. The results indicated that purple-fleshed potato supplementation suppressed the DSS-induced reduction in body weight and colon length as well as the increase in spleen and liver weights. P15 and P25 diets suppressed the elevation in the intestinal permeability, colonic MPO activity, mRNA expression and protein levels of pro-inflammatory interleukins IL-6 and IL-17, the relative abundance of specific pathogenic bacteria such as Enterobacteriaceae, Escherichia coli (E. coli) and pks+ E. coli, and the increased flagellin levels induced by DSS treatment. P25 alone suppressed the elevated systemic MPO levels in DSS-exposed mice, and elevated the relative abundance of Akkermansia muciniphila (A. muciniphila) as well as attenuated colonic mRNA expression level of IL-17 and the protein levels of IL-6 and IL-1β. Therefore, the purple-fleshed potato has the potential to aid in the amelioration of UC symptoms.
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Affiliation(s)
- Shiyu Li
- Department of Food Science, Purdue University, West Lafayette, Indiana, USA
| | - Tianmin Wang
- Department of Plant Science, Penn State University, University Park, Pennsylvania, USA
| | - Binning Wu
- Department of Plant Science, Penn State University, University Park, Pennsylvania, USA
| | - Wenyi Fu
- Department of Food Science, Purdue University, West Lafayette, Indiana, USA
| | - Baojun Xu
- Food Science and Technology Program, BNU-HKBU United International College, Zhuhai, Guangdong, China
| | - Ramachandra Reddy Pamuru
- Department of Food Science, Penn State University, UniversityPark, Pennsylvania, USA; Department of Biochemistry, Yogi Vemana University, Kadapa, Andhra Pradesh, India
| | - Mary Kennett
- Department of Veterinary and Biomedical Sciences, Penn State University, University Park, Pennsylvania, USA
| | - Jairam K P Vanamala
- Department of Food Science, Penn State University, UniversityPark, Pennsylvania, USA
| | - Lavanya Reddivari
- Department of Food Science, Purdue University, West Lafayette, Indiana, USA.
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Bédard A, Westerling-Bui T, Zuraw A. Proof of Concept for a Deep Learning Algorithm for Identification and Quantification of Key Microscopic Features in the Murine Model of DSS-Induced Colitis. Toxicol Pathol 2021; 49:897-904. [PMID: 33576323 DOI: 10.1177/0192623320987804] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Inflammatory bowel disease (IBD) is a complex disease which leads to life-threatening complications and decreased quality of life. The dextran sulfate sodium (DSS) colitis model in mice is known for rapid screening of candidate compounds. Efficacy assessment in this model relies partly on microscopic semiquantitative scoring, which is time-consuming and subjective. We hypothesized that deep learning artificial intelligence (AI) could be used to identify acute inflammation in H&E-stained sections in a consistent and quantitative manner. Training sets were established using ×20 whole slide images of the entire colon. Supervised training of a Convolutional Neural Network (CNN) was performed using a commercial AI platform to detect the entire colon tissue, the muscle and mucosa layers, and 2 categories within the mucosa (normal and acute inflammation E1). The training sets included slides of naive, vehicle-DSS and cyclosporine A-DSS mice. The trained CNN was able to segment, with a high level of concordance, the different tissue compartments in the 3 groups of mice. The segmented areas were used to determine the ratio of E1-affected mucosa to total mucosa. This proof-of-concept work shows promise to increase efficiency and decrease variability of microscopic scoring of DSS colitis when screening candidate compounds for IBD.
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Affiliation(s)
- Agathe Bédard
- Pathology Department, 25913Charles River, Senneville, Quebec, Canada
| | | | - Aleksandra Zuraw
- Pathology Department, 25913Charles River, Senneville, Quebec, Canada
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27
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da Rocha GHO, de Paula-Silva M, Broering MF, Scharf PRDS, Matsuyama LSAS, Maria-Engler SS, Farsky SHP. Pioglitazone-Mediated Attenuation of Experimental Colitis Relies on Cleaving of Annexin A1 Released by Macrophages. Front Pharmacol 2021; 11:591561. [PMID: 33519451 PMCID: PMC7845455 DOI: 10.3389/fphar.2020.591561] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 11/24/2020] [Indexed: 12/20/2022] Open
Abstract
Ulcerative colitis and Crohn's disease are chronic inflammatory bowel diseases (IBDs) which burden health systems worldwide; available pharmacological therapies are limited and cost-intensive. Use of peroxisome proliferator activated-receptor γ (PPARγ) ligands for IBD treatment, while promising, lacks solid evidences to ensure its efficacy. Annexin A1 (AnxA1), a glucocorticoid-modulated anti-inflammatory protein, plays a key role on IBD control and is a potential biomarker of IBD progression. We here investigated whether effects of pioglitazone, a PPARγ ligand, rely on AnxA1 actions to modulate IBD inflammation. Experimental colitis was evoked by 2% dextran sodium sulfate (DSS) in AnxA1 knockout (AnxA1-/-) or wild type (WT) C57BL/6 mice. Clinical and histological parameters were more severe for AnxA-/- than WT mice, and 10 mg/kg pioglitazone treatment attenuated disease parameters in WT mice only. AnxA1 expression was increased in tissue sections of diseased WT mice, correlating positively with presence of CD68+ macrophages. Metalloproteinase-9 (MMP-9) and inactive 33 kDa AnxA1 levels were increased in the colon of diseased WT mice, which were reduced by pioglitazone treatment. Cytokine secretion, reactive oxygen species generation and MMP-9 expression caused by lipopolysaccharide (LPS) treatment in AnxA1-expressing RAW 264.7 macrophages were reduced by pioglitazone treatment, effects not detected in AnxA1 knockdown macrophages. LPS-mediated increase of AnxA1 cleaving in RAW 264.7 macrophages was also attenuated by pioglitazone treatment. Finally, pioglitazone treatment increased extracellular signal-regulated kinase (ERK) phosphorylation in AnxA1-expressing RAW 264.7 macrophages, but not in AnxA1-knockdown macrophages. Thus, our data highlight AnxA1 as a crucial factor for the therapeutic actions of pioglitazone on IBDs.
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Affiliation(s)
| | - Marina de Paula-Silva
- Department of Clinical and Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Milena Fronza Broering
- Department of Clinical and Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Pablo Rhasan Dos Santos Scharf
- Department of Clinical and Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | | | - Silvya Stuchi Maria-Engler
- Department of Clinical and Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Sandra Helena Poliselli Farsky
- Department of Clinical and Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
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28
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Wang Y, Wan X, Wu X, Zhang C, Liu J, Hou S. Eubacterium rectale contributes to colorectal cancer initiation via promoting colitis. Gut Pathog 2021; 13:2. [PMID: 33436075 PMCID: PMC7805161 DOI: 10.1186/s13099-020-00396-z] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 12/21/2020] [Indexed: 02/06/2023] Open
Abstract
Background Inflammatory bowel disease caused by microbial dysbiosis is an important factor contributing to colorectal cancer (CRC) initiation. The ‘driver-passenger’ model in human gut microbial dysbiosis suggests that ‘driver’ bacteria may colonize with low relative abundance on tumor site but persistently induce chronic change in normal intestinal epithelium and initiate CRC. They are gradually replaced by ‘passenger’ bacteria later on, due to their low adaptability to the on-tumor site niche. Results To reveal site-specific bacterial taxon markers in CRC patients, we analyzed the gut mucosal microbiome of 75 paired samples of on-tumor and tumor-adjacent sites, 75 off-tumor sites, and 26 healthy controls. Linear discriminant analysis of relative abundance profiles revealed unique bacterial taxon distribution correlated with specific tumor sites, with Eubacterium having the distribution characteristic of potential driver bacteria. We further show that Eubacterium rectale endotoxin activates the transcription factor NF-κΒ, which regulates multiple aspects of innate and adaptive immune responses in normal colon epithelial cells. Unlike the ‘passenger’ bacterium Fusobacterium nucleatum, E. rectale promotes dextran sodium sulfate-induced colitis in Balb/c mice. Conclusions Our findings reveal that E. rectale functions as a ‘driver’ bacterium and contributes to cancer initiation via promoting inflammation.
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Affiliation(s)
- Yijia Wang
- Laboratory of Oncologic Molecular Medicine, Tianjin Union Medical Center, Nankai University, No. 190 Jieyuan Rd., Hongqiao district, Tianjin, 300121, China
| | - Xuehua Wan
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, TEDA, Tianjin, 300071, China
| | - Xiaojing Wu
- Laboratory of Oncologic Molecular Medicine, Tianjin Union Medical Center, Nankai University, No. 190 Jieyuan Rd., Hongqiao district, Tianjin, 300121, China
| | - Chunze Zhang
- Laboratory of Oncologic Molecular Medicine, Tianjin Union Medical Center, Nankai University, No. 190 Jieyuan Rd., Hongqiao district, Tianjin, 300121, China
| | - Jun Liu
- Laboratory of Oncologic Molecular Medicine, Tianjin Union Medical Center, Nankai University, No. 190 Jieyuan Rd., Hongqiao district, Tianjin, 300121, China.
| | - Shaobin Hou
- Advanced Studies in Genomics, Proteomics, and Bioinformatics, University of Hawaii At Manoa, 2538 McCarthy Mall, Snyder Hall, Honolulu, HI, 96822, USA.
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29
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Inhibitory Effect of Steamed Soybean Wastewater Against DSS-Induced Intestinal Inflammation in Mice. Foods 2020; 9:foods9070954. [PMID: 32708415 PMCID: PMC7404776 DOI: 10.3390/foods9070954] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/30/2020] [Accepted: 07/09/2020] [Indexed: 11/21/2022] Open
Abstract
This study was performed to examine the beneficial potential of steamed soybean wastewater (SSW), which is generated during the manufacture of fermented soybean products and usually discarded as a by-product. The SSW was found to contain considerable amounts of isoflavones and had concentration-dependent radical scavenging capabilities. Moreover, oral administration of SSW effectively prevented colonic damage induced by dextran sulfate sodium (DSS), based on improvement of morphological and histological features, reduction of oxidative stress indicators, suppression of proinflammatory cytokine production, downregulation of inflammatory marker expression in the colonic tissue, and inhibition of the inflammatory activation of macrophages. It suggests that SSW could prevent intestinal inflammation in humans, although its efficacy should be verified through careful study design in humans. These findings have implications for enhancement of the value-added of SSW and for reduction of wastewater treatment costs incurred by the food industry.
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Colombo G, Clemente N, Zito A, Bracci C, Colombo FS, Sangaletti S, Jachetti E, Ribaldone DG, Caviglia GP, Pastorelli L, De Andrea M, Naviglio S, Lucafò M, Stocco G, Grolla AA, Campolo M, Casili G, Cuzzocrea S, Esposito E, Malavasi F, Genazzani AA, Porta C, Travelli C. Neutralization of extracellular NAMPT (nicotinamide phosphoribosyltransferase) ameliorates experimental murine colitis. J Mol Med (Berl) 2020; 98:595-612. [PMID: 32338310 DOI: 10.1007/s00109-020-01892-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 02/25/2020] [Accepted: 02/28/2020] [Indexed: 12/24/2022]
Abstract
Extracellular nicotinamide phosphoribosyltransferase (eNAMPT) is increased in inflammatory bowel disease (IBD) patients, and its serum levels correlate with a worse prognosis. In the present manuscript, we show that eNAMPT serum levels are increased in IBD patients that fail to respond to anti-TNFα therapy (infliximab or adalimumab) and that its levels drop in patients that are responsive to these therapies, with values comparable with healthy subjects. Furthermore, eNAMPT administration in dinitrobenzene sulfonic acid (DNBS)-treated mice exacerbates the symptoms of colitis, suggesting a causative role of this protein in IBD. To determine the druggability of this cytokine, we developed a novel monoclonal antibody (C269) that neutralizes in vitro the cytokine-like action of eNAMPT and that reduces its serum levels in rodents. Of note, this newly generated antibody is able to significantly reduce acute and chronic colitis in both DNBS- and dextran sulfate sodium (DSS)-induced colitis. Importantly, C269 ameliorates the symptoms by reducing pro-inflammatory cytokines. Specifically, in the lamina propria, a reduced number of inflammatory monocytes, neutrophils, Th1, and cytotoxic T lymphocytes are found upon C269 treatment. Our data demonstrate that eNAMPT participates in IBD and, more importantly, that eNAMPT-neutralizing antibodies are endowed with a therapeutic potential in IBD. KEY MESSAGES: What are the new findings? Higher serum eNAMPT levels in IBD patients might decrease response to anti-TNF therapy. The cytokine-like activity of eNAMPT may be neutralized with a monoclonal antibody. Neutralization of eNAMPT ameliorates acute and chronic experimental colitis. Neutralization of eNAMPT limits the expression of IBD inflammatory signature. Neutralization of eNAMPT impairs immune cell infiltration in lamina propria.
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Affiliation(s)
- Giorgia Colombo
- Department of Pharmaceutical Sciences, University of Eastern Piedmont, A. Avogadro, 28100, Novara, Italy
| | - Nausicaa Clemente
- Center for Translational Research on Autoimmune & Allergic Diseases (CAAD), Università del Piemonte Orientale, 28100, Novara, Italy
| | - Andrea Zito
- Lab of Immunogenetics, Department of Medical Sciences, University of Turin, 10100, Turin, Italy
| | - Cristiano Bracci
- Lab of Immunogenetics, Department of Medical Sciences, University of Turin, 10100, Turin, Italy
| | - Federico Simone Colombo
- Flow Cytometry and Cell Sorting Unit, Humanitas Clinical and Research Center - IRCCS, 20089, Rozzano, MI, Italy
| | - Sabina Sangaletti
- Molecular Immunology Unit, Department of Research, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Elena Jachetti
- Molecular Immunology Unit, Department of Research, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | | | - Gian Paolo Caviglia
- Division of Gastroenterology, Department of Medical Sciences, University of Turin, 10100, Turin, Italy
| | - Luca Pastorelli
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
- Gastroenterology Unit, IRCCS Policlinico San Donato, San Donato Milanese, Italy
| | - Marco De Andrea
- Center for Translational Research on Autoimmune & Allergic Diseases (CAAD), Università del Piemonte Orientale, 28100, Novara, Italy
- Viral Pathogenesis Unit, Department of Public Health and Pediatric Sciences, Turin Medical School, 10126, Turin, Italy
| | - Samuele Naviglio
- Institute for Maternal and Child Health IRCCS Burlo Garofolo, 34137, Trieste, Italy
| | - Marianna Lucafò
- Department of Medicine, Surgery and Health Sciences, University of Trieste, 34137, Trieste, Italy
| | - Gabriele Stocco
- Department of Life Sciences, University of Trieste, 34137, Trieste, Italy
| | - Ambra A Grolla
- Department of Pharmaceutical Sciences, University of Eastern Piedmont, A. Avogadro, 28100, Novara, Italy
| | - Michela Campolo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina (ME), Messina, ME, Italy
| | - Giovanna Casili
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina (ME), Messina, ME, Italy
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina (ME), Messina, ME, Italy
| | - Emanuela Esposito
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina (ME), Messina, ME, Italy
| | - Fabio Malavasi
- Lab of Immunogenetics, Department of Medical Sciences, University of Turin, 10100, Turin, Italy
| | - Armando A Genazzani
- Department of Pharmaceutical Sciences, University of Eastern Piedmont, A. Avogadro, 28100, Novara, Italy
| | - Chiara Porta
- Department of Pharmaceutical Sciences, University of Eastern Piedmont, A. Avogadro, 28100, Novara, Italy.
- Center for Translational Research on Autoimmune & Allergic Diseases (CAAD), Università del Piemonte Orientale, 28100, Novara, Italy.
| | - Cristina Travelli
- Department of Pharmaceutical Sciences, Università degli Studi di Pavia, 27100, Pavia, Italy.
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Extra-Virgin Olive Oil from Apulian Cultivars and Intestinal Inflammation. Nutrients 2020; 12:nu12041084. [PMID: 32295122 PMCID: PMC7230776 DOI: 10.3390/nu12041084] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 04/07/2020] [Accepted: 04/11/2020] [Indexed: 12/19/2022] Open
Abstract
Inflammatory bowel disease (IBD) is a multifactorial intestinal disorder characterized by chronic intestinal inflammation. The etiology of IBD is still unclear, although genetic, environmental and host factors have been associated to the disease. Extra-virgin olive oil (EVO) is a central component of the Mediterranean diet and it decreases chronic inflammation by interfering with arachidonic acid and NF-κB signaling pathways. Specifically, the different components of EVO are able to confer advantages in terms of health in their site of action. For instance, oleic acid displays a protective effect in liver dysfunction and gut inflammation, whereas phenolic compounds protect colon cells against oxidative damage and improve the symptoms of chronic inflammation in IBD. Given the biological properties of EVO, we investigated whether its administration is able to confer protection in a mouse model of dextrane sodium sulfate (DSS)-induced colitis. Four EVO cultivars from the Apulian Region of Italy, namely Ogliarola (Cima di Bitonto), Coratina, Peranzana and Cima di Mola, respectively, were used. Administration of EVO resulted in reduced body weight loss in our colitis model. Furthermore, mice treated with Ogliarola, Coratina and Cima di Mola EVO displayed a reduction of rectal bleeding and IL-1β, TGFβ, IL-6 gene expression levels. Furthermore, Ogliarola, Coratina and Peranzana EVO administration ameliorated intestinal permeability and histopathological features of inflammation. Our data further validate the well-known positive effects of EVO supplementation in promoting human health and suggest the bona fide contribution of EVO in preventing onset and reducing progression of intestinal inflammation.
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Gorczynski RM, Hoffmann G. Combined IMIG and immune Ig attenuates inflammatory colitis in mice. Int Immunopharmacol 2020; 83:106464. [PMID: 32278130 DOI: 10.1016/j.intimp.2020.106464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 03/13/2020] [Accepted: 03/29/2020] [Indexed: 11/27/2022]
Abstract
BACKGROUND Using a combination of homologous and heterologous (mouse/human) polyclonal anti-idiotypic Igs and immune Igs in BALB/c mice we have previously reported attenuation of allergic type responses following OVA immunization. We have now investigated attenuation of an inflammatory colitis in C57BL/6 mice receiving dextran sodium sulfate (DSS) in their drinking water, using additional treatment of DSS-exposed mice with combined human Igs, commercial IVIG (given IM, hence hereafter IMIG) as a source of pooled anti-idiotype Ig, and human anti-Tet as immune Ig. METHODS Acute or chronic colitis was induced by DSS in groups of C57BL/6 mice. Mice also received weekly immunotherapy with im injections of polyclonal immune Ig, polyclonal anti-idiotype Ig, or the combined Igs, for a total of 5 injections, beginning with DSS treatment or after 2 cycles of DSS. Weight loss and mortality were monitored daily, and the extent of colitis was determined further using colonic length measurement, and by ELISA measurement of inflammatory cytokines in supernatants from colonic explant cultures. RESULTS Mice developed colitis in both the acute and chronic models with loss of body weight, shortened colon lengths, and increased expression of inflammatory cytokines in colonic tissue. Loss of body weight, and inflammatory cytokine production, was attenuated only in chronic colitis, and only after combined IMIG and immune Ig treatment, and not in groups receiving only IMIG or immune Ig alone. CONCLUSION Heterologous combinations of polyclonal IMIG and immune Ig can attenuate inflammatory colitis in mice. Given the described efficacy of this treatment for allergic desensitization, we hypothesize this methodology may have widespread clinic utility.
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Affiliation(s)
- R M Gorczynski
- Universityof Toronto, ON, Canada; Network Immunology, Vancouver, BC, Canada.
| | - G Hoffmann
- Network Immunology, Vancouver, BC, Canada
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Gadaleta RM, Garcia-Irigoyen O, Cariello M, Scialpi N, Peres C, Vetrano S, Fiorino G, Danese S, Ko B, Luo J, Porru E, Roda A, Sabbà C, Moschetta A. Fibroblast Growth Factor 19 modulates intestinal microbiota and inflammation in presence of Farnesoid X Receptor. EBioMedicine 2020; 54:102719. [PMID: 32259714 PMCID: PMC7136604 DOI: 10.1016/j.ebiom.2020.102719] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/29/2020] [Accepted: 03/02/2020] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Disruption of bile acid (BA) homeostasis plays a key role in intestinal inflammation. The gut-liver axis is the main site for the regulation of BA synthesis and BA pool size via the combined action of the nuclear Farnesoid X Receptor (FXR) and the enterokine Fibroblast Growth Factor 19 (FGF19). Increasing evidence have linked derangement of BA metabolism with dysbiosis and mucosal inflammation. Thus, here we aimed to investigate the potential action of an FGF19 analogue on intestinal microbiota and inflammation. METHODS A novel engineered non-tumorigenic variant of the FGF19 protein, M52-WO 2016/0168219 was generated. WT and FXRnull mice were injected with AAV-FGF19-M52 or the control AAV-GFP and subjected to Sodium Dextran Sulphate-induced colitis. FINDINGS FGF19-M52 reduced BA synthesis and pool size, modulated its composition and protected mice from intestinal inflammation. These events were coupled with preservation of the intestinal epithelial barrier integrity, inhibition of inflammatory immune response and modulation of microbiota composition. Interestingly, FGF19-M52-driven systemic and local anti-inflammatory activity was completely abolished in Farnesoid X Receptor (FXR)null mice, thus underscoring the need of FXR to guarantee enterocytes' fitness and complement FGF19 anti-inflammatory activity. To provide a translational perspective, we also show that circulating FGF19 levels are reduced in patients with Crohn's disease. INTERPRETATION Reactivation of the FXR-FGF19 axis in a murine model of intestinal inflammation could bona fide provide positive changes in BA metabolism with consequent reduction of intestinal inflammation and modulation of microbiota. These results point to the therapeutic potential of FGF19 in the treatment of intestinal inflammation with concomitant derangement of BA homeostasis. FUNDING A. Moschetta is funded by MIUR-PRIN 2017 <- 2017J3E2W2; Italian Association for Cancer Research (AIRC, IG 23239); Interreg V-A Greece-Italy 2014-2020-SILVER WELLBEING, MIS5003627; HDHL-INTIMIC EuJPI-FATMAL; MIUR PON "R&I" 2014-2020-ARS01_01220. No money has been paid by NGM Biopharmaceuticals or any other agency to write this article.
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Affiliation(s)
- Raffaella Maria Gadaleta
- Department of Interdisciplinary Medicine, "Aldo Moro" University, Piazza Giulio Cesare 11, 70124 Bari, Italy; National Institute for Biostructures and Biosystems, Via delle Medaglie d'Oro 135, 00136 Rome, Italy
| | - Oihane Garcia-Irigoyen
- Department of Interdisciplinary Medicine, "Aldo Moro" University, Piazza Giulio Cesare 11, 70124 Bari, Italy
| | - Marica Cariello
- Department of Interdisciplinary Medicine, "Aldo Moro" University, Piazza Giulio Cesare 11, 70124 Bari, Italy
| | - Natasha Scialpi
- National Institute for Biostructures and Biosystems, Via delle Medaglie d'Oro 135, 00136 Rome, Italy
| | - Claudia Peres
- National Institute for Biostructures and Biosystems, Via delle Medaglie d'Oro 135, 00136 Rome, Italy
| | - Stefania Vetrano
- Department of Biomedical Sciences, Humanitas University, Via Alessandro Manzoni, 56, 20089 Rozzano, Milan, Italy; Inflammatory Bowel Disease Center, Humanitas Cancer Center, via Rita Levi Montalcini 4, 20090 Milan, Italy
| | - Gionatha Fiorino
- Inflammatory Bowel Disease Center, Humanitas Cancer Center, via Rita Levi Montalcini 4, 20090 Milan, Italy
| | - Silvio Danese
- Department of Biomedical Sciences, Humanitas University, Via Alessandro Manzoni, 56, 20089 Rozzano, Milan, Italy; Inflammatory Bowel Disease Center, Humanitas Cancer Center, via Rita Levi Montalcini 4, 20090 Milan, Italy
| | - Brian Ko
- NGM Biopharmaceuticals Inc., 333 Oyster Point Blvd, South San Francisco, CA 94080, USA
| | - Jian Luo
- NGM Biopharmaceuticals Inc., 333 Oyster Point Blvd, South San Francisco, CA 94080, USA
| | - Emanuele Porru
- Department of Chemistry "Giacomo Ciamician", Alma Mater Studiorum, University of Bologna, Via Selmi, 2, 40126 Bologna, Italy
| | - Aldo Roda
- Department of Chemistry "Giacomo Ciamician", Alma Mater Studiorum, University of Bologna, Via Selmi, 2, 40126 Bologna, Italy
| | - Carlo Sabbà
- Department of Interdisciplinary Medicine, "Aldo Moro" University, Piazza Giulio Cesare 11, 70124 Bari, Italy
| | - Antonio Moschetta
- Department of Interdisciplinary Medicine, "Aldo Moro" University, Piazza Giulio Cesare 11, 70124 Bari, Italy; National Cancer Center, IRCCS Istituto Tumori "Giovanni Paolo II", Viale Orazio Flacco, 65, 70124 Bari, Italy.
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Lo Sasso G, Phillips BW, Sewer A, Battey JND, Kondylis A, Talikka M, Titz B, Guedj E, Peric D, Bornand D, Dulize R, Merg C, Corciulo M, Ouadi S, Yanuar R, Tung CK, Ivanov NV, Peitsch MC, Hoeng J. The reduction of DSS-induced colitis severity in mice exposed to cigarette smoke is linked to immune modulation and microbial shifts. Sci Rep 2020; 10:3829. [PMID: 32123204 PMCID: PMC7052152 DOI: 10.1038/s41598-020-60175-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 01/24/2020] [Indexed: 12/15/2022] Open
Abstract
Exposure to cigarette smoke (CS) causes detrimental health effects, increasing the risk of cardiovascular, pulmonary diseases and carcinogenesis in exposed individuals. The impact of CS on Inflammatory Bowel Disease (IBD) has been established by a number of epidemiological and clinical studies. In fact, CS is associated with a higher risk of developing Crohn's disease (CD) while inversely correlates with the development, disease risks, and relapse rate of ulcerative colitis (UC). To investigate the effect of CS exposure on experimental colitis, we performed a comprehensive and integrated comparative analysis of colon transcriptome and microbiome in mice exposed to dextran sodium sulfate (DSS) and CS. Colon transcriptome analysis revealed that CS downregulated specific pathways in a concentration-dependent manner, affecting both the inflammatory state and composition of the gut microbiome. Metagenomics analysis demonstrated that CS can modulate DSS-induced dysbiosis of specific bacterial genera, contributing to resolve the inflammation or accelerate recovery. The risks of smoking far outweigh any possible benefit, thus smoking cessation must always be encouraged because of its significant health benefits. However, the inverse association between active smoking and the development of UC cannot be ignored and the present study lays the foundation for investigating potential molecular mechanisms responsible for the attenuation of colitis by certain compounds of tobacco when decoupled from combustion.
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Affiliation(s)
- Giuseppe Lo Sasso
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Blaine W Phillips
- PMI R&D, Philip Morris International Research Laboratories Pte. Ltd., Science Park II, Singapore
| | - Alain Sewer
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - James N D Battey
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Athanasios Kondylis
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Marja Talikka
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Bjoern Titz
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Emmanuel Guedj
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Dariusz Peric
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - David Bornand
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Remi Dulize
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Celine Merg
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Maica Corciulo
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Sonia Ouadi
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Rendy Yanuar
- PMI R&D, Philip Morris International Research Laboratories Pte. Ltd., Science Park II, Singapore
| | - Ching Keong Tung
- PMI R&D, Philip Morris International Research Laboratories Pte. Ltd., Science Park II, Singapore
| | - Nikolai V Ivanov
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Manuel C Peitsch
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Julia Hoeng
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland.
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Ameliorative Effect of Heat-Killed Lactobacillus plantarum L.137 and/or Aloe vera against Colitis in Mice. Processes (Basel) 2020. [DOI: 10.3390/pr8020225] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Inflammatory bowel disease (IBD) is one of the predominant intestinal diseases associated with chronic inflammation and ulceration of the colon. This study explored the ameliorative effect of Aloe vera extract (Aloe) and/or heat-killed Lactobacillus plantarum L.137 (HK L.137) on dextran sodium sulfate (DSS)-induced colitis in mice. Aloe and/or HK L.137 were supplied for 9 days and the mice were challenged with DSS for 7 days. The DSS group demonstrated bloody diarrhea, colitis of high histologic grade, increased nuclear factor-kappa B (NF-κB) p65, inducible nitric oxide synthase (iNOS), myeloperoxidase (MPO), interleukin (IL)-6, and tumor necrosis factor (TNF)-α, and decreased IL-10 expression. These alterations were dwindled in DSS-induced mice treated with Aloe and HK L.137 separately. Aloe and HK L.137 together have augmented the therapeutic effect of each other. In conclusion, our findings demonstrated that Aloe and/or HK L.137 ameliorated DSS-induced colitis by promoting the secretion of anti-inflammatory cytokines and suppressing pro-inflammatory mediators. This study indicated that A. vera may function synergistically with HK L.137 to confer an effective strategy to prevent colitis.
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Zhou L, Liu D, Xie Y, Yao X, Li Y. Bifidobacterium infantis Induces Protective Colonic PD-L1 and Foxp3 Regulatory T Cells in an Acute Murine Experimental Model of Inflammatory Bowel Disease. Gut Liver 2020; 13:430-439. [PMID: 30600673 PMCID: PMC6622561 DOI: 10.5009/gnl18316] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 10/11/2018] [Accepted: 10/17/2018] [Indexed: 12/13/2022] Open
Abstract
Background/Aims The current study aims to investigate the protective effects of Bifidobacterium infantis on the abnormal immune response to inflammatory bowel disease (IBD) in dextran sodium sulfate (DSS)-induced colitis. Methods Eight-week-old BALB/c mice were separated into five groups at random (control, DSS, DSS+B9 [B. infantis 1×109 CFU], DSS+B8 [B. infantis 1×108 CFU], and DSS+B7 [B. infantis 1×107 CFU]). Colitis was induced by 5% DSS ad libitum for 7 days, at which time we assessed weight, the disease activity index (DAI) score, and the histological damage score. The nuclear transcription factor Foxp3 (a marker of Treg cells), cytokines interleukin-10 (IL-10) and transforming growth factor β1 (TGF-β1), and related proteins (programmed cell death ligand 1 [PD-L1] and programmed cell death 1 [PD-1]) were detected by an immunohistochemical method and Western blot. Results B. infantis increased weight, decreased DAI scores and histological damage scores, increased the protein expression of Foxp3 (p<0.05) and cytokines IL-10 and TGF-β1 in mouse colon tissue (p<0.05), and increased the expression of PD-L1 in the treatment groups relative to that in the DSS group (p<0.05). The effect of B. infantis on Foxp3 and PD-L1 was dose dependent in the treatment groups (p<0.05). PD-L1 was positively correlated with Foxp3, IL-10, and TGF-β1. Conclusions In a mouse model of IBD, B. infantis can alleviate intestinal epithelial injury and maintain intestinal immune tolerance and thus may have potential therapeutic value for the treatment of immune damage in IBD.
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Affiliation(s)
- Linyan Zhou
- Department of Gastroenterology, Shengjing Hospital Affiliated to China Medical University, Shenyang, China
| | - Dongyan Liu
- Medical Research Center, Shengjing Hospital of China Medical University, Benxi, China
| | - Ying Xie
- Department of Gastroenterology, Shengjing Hospital Affiliated to China Medical University, Shenyang, China
| | - Xinjie Yao
- Department of Gastroenterology, Shengjing Hospital Affiliated to China Medical University, Shenyang, China
| | - Yan Li
- Department of Gastroenterology, Shengjing Hospital Affiliated to China Medical University, Shenyang, China
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Wu Y, Sun M, Wang D, Li G, Huang J, Tan S, Bao L, Li Q, Li G, Si L. A PepT1 mediated medicinal nano-system for targeted delivery of cyclosporine A to alleviate acute severe ulcerative colitis. Biomater Sci 2019; 7:4299-4309. [PMID: 31408067 DOI: 10.1039/c9bm00925f] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
To effectively alleviate acute severe ulcerative colitis (ASUC), we developed a colon-specific delivery system-PLGA-KPV/MMT/CS multifunctional medicinal nanoparticles loaded with cyclosporine A (CyA). The lysine-proline-valine (KPV) tripeptide, which possesses anti-inflammatory properties and high affinity to peptide transporter 1 (PepT1), can target therapy-related cells (colonic epithelial cells and macrophages) via overexpression of PepT1. Montmorillonite (MMT)/chitosan (CS) coating can reduce CyA leakage in the upper gastrointestinal tract (GIT) and enhance nanoparticle adhesion to the inflamed colon. The bio-distribution demonstrated that nanoparticles can specifically accumulate in the inflamed tissues and can be retained for up to 36 h. After being treated with the CyA-PLGA-KPV/MMT/CS nanoparticles (PKMCN), the mice with DSS-induced ulcerative colitis exhibited significant improvements in body weight, colon length, and disease activity index. Moreover, biochemistry and immunohistochemical analysis showed that the PKMCN treatment group performed as well as the healthy group. Intriguingly, PKMCN without CyA also presented marked therapeutic effects. Our results suggested that PKMCN could be a promising drug delivery system for ASUC therapy by targeting inflamed cells, prolonging curative time, and mitigating colitis.
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Affiliation(s)
- Ya Wu
- Department of Pharmaceutics, School of Pharmacy, Tongji Medical College of Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, PR China.
| | - Minghui Sun
- Department of Pharmacy, Affiliated Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, PR China
| | - Dan Wang
- Department of Pharmaceutics, School of Pharmacy, Tongji Medical College of Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, PR China.
| | - Genyun Li
- Department of Pharmaceutics, School of Pharmacy, Tongji Medical College of Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, PR China.
| | - Jiangeng Huang
- Department of Pharmaceutics, School of Pharmacy, Tongji Medical College of Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, PR China.
| | - Songwei Tan
- Department of Pharmaceutics, School of Pharmacy, Tongji Medical College of Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, PR China.
| | - Lin Bao
- Department of Pharmaceutics, School of Pharmacy, Tongji Medical College of Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, PR China.
| | - Qian Li
- Department of Pharmaceutics, School of Pharmacy, Tongji Medical College of Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, PR China.
| | - Gao Li
- Department of Pharmaceutics, School of Pharmacy, Tongji Medical College of Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, PR China.
| | - Luqin Si
- Department of Pharmaceutics, School of Pharmacy, Tongji Medical College of Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, PR China.
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Homerin G, Jawhara S, Dezitter X, Baudelet D, Dufrénoy P, Rigo B, Millet R, Furman C, Ragé G, Lipka E, Farce A, Renault N, Sendid B, Charlet R, Leroy J, Phanithavong M, Richeval C, Wiart JF, Allorge D, Adriouch S, Vouret-Craviari V, Ghinet A. Pyroglutamide-Based P2X7 Receptor Antagonists Targeting Inflammatory Bowel Disease. J Med Chem 2019; 63:2074-2094. [PMID: 31525963 DOI: 10.1021/acs.jmedchem.9b00584] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This report deals with the design, the synthesis, and the pharmacological evaluation of pyroglutamide-based P2X7 antagonists. A dozen were shown to possess improved properties, among which inhibition of YO-PRO-1/TO-PRO-3 uptake and IL1β release upon BzATP activation of the receptor and dampening signs of DSS-induced colitis on mice, in comparison with reference antagonist GSK1370319A. Docking study and biological evaluation of synthesized compounds has highlighted new SAR, and low toxicity profiles of pyroglutamides herein described are clues for the finding of a usable h-P2X7 antagonist drug. Such a drug would raise the hope for a cure to many P2X7-dependent pathologies, including inflammatory, neurological, and immune diseases.
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Affiliation(s)
- Germain Homerin
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France.,Yncréa Hauts-de-France, UCLille, Laboratoire de Pharmacochimie, Hautes Etudes d'Ingénieur (HEI), 13 rue de Toul, F-59046 Lille, France
| | - Samir Jawhara
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France
| | - Xavier Dezitter
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France.,Institut de Chimie Pharmaceutique Albert Lespagnol, IFR114, 3 rue du Pr Laguesse, F-59006 Lille, France
| | - Davy Baudelet
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France.,Yncréa Hauts-de-France, UCLille, Laboratoire de Pharmacochimie, Hautes Etudes d'Ingénieur (HEI), 13 rue de Toul, F-59046 Lille, France
| | - Pierrick Dufrénoy
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France.,Yncréa Hauts-de-France, UCLille, Laboratoire de Pharmacochimie, Hautes Etudes d'Ingénieur (HEI), 13 rue de Toul, F-59046 Lille, France
| | - Benoît Rigo
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France.,Yncréa Hauts-de-France, UCLille, Laboratoire de Pharmacochimie, Hautes Etudes d'Ingénieur (HEI), 13 rue de Toul, F-59046 Lille, France
| | - Régis Millet
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France.,Institut de Chimie Pharmaceutique Albert Lespagnol, IFR114, 3 rue du Pr Laguesse, F-59006 Lille, France
| | - Christophe Furman
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France.,Institut de Chimie Pharmaceutique Albert Lespagnol, IFR114, 3 rue du Pr Laguesse, F-59006 Lille, France
| | - Guillaume Ragé
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France.,Institut de Chimie Pharmaceutique Albert Lespagnol, IFR114, 3 rue du Pr Laguesse, F-59006 Lille, France
| | - Emmanuelle Lipka
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France.,Laboratoire de Chimie Analytique, Faculté des Sciences Pharmaceutiques et Biologiques de Lille, F-59006 Lille Cedex, France
| | - Amaury Farce
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France.,Institut de Chimie Pharmaceutique Albert Lespagnol, IFR114, 3 rue du Pr Laguesse, F-59006 Lille, France
| | - Nicolas Renault
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France.,Institut de Chimie Pharmaceutique Albert Lespagnol, IFR114, 3 rue du Pr Laguesse, F-59006 Lille, France
| | - Boualem Sendid
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France
| | - Rogatien Charlet
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France
| | - Jordan Leroy
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France
| | - Mélodie Phanithavong
- Laboratoire de Toxicologie & Génopathies, CHRU de Lille, Centre de Biologie Pathologie, Blvd du Pr. J. Leclercq, CS 70001, F-59037 Lille, France
| | - Camille Richeval
- Laboratoire de Toxicologie & Génopathies, CHRU de Lille, Centre de Biologie Pathologie, Blvd du Pr. J. Leclercq, CS 70001, F-59037 Lille, France
| | - Jean-François Wiart
- Laboratoire de Toxicologie & Génopathies, CHRU de Lille, Centre de Biologie Pathologie, Blvd du Pr. J. Leclercq, CS 70001, F-59037 Lille, France
| | - Delphine Allorge
- Laboratoire de Toxicologie & Génopathies, CHRU de Lille, Centre de Biologie Pathologie, Blvd du Pr. J. Leclercq, CS 70001, F-59037 Lille, France
| | - Sahil Adriouch
- INSERM U905, F-76183 Rouen, France.,Institute for Research and Innovation in Biomedicine, Normandie University, F-76183 Rouen, France
| | - Valérie Vouret-Craviari
- Institute for Research on Cancer and Aging (IRCAN), F-06100 Nice, France.,University of Nice Cote d'Azur (UCA), F-06100 Nice, France
| | - Alina Ghinet
- CHRU de Lille, Faculté de Médecine-Pôle Recherche, Inserm U995, LIRIC, Université de Lille, Place Verdun, F-59045 Lille Cedex, France.,Yncréa Hauts-de-France, UCLille, Laboratoire de Pharmacochimie, Hautes Etudes d'Ingénieur (HEI), 13 rue de Toul, F-59046 Lille, France.,Faculty of Chemistry, "Al. I. Cuza" University of Iasi, Blvd Carol I, nr. 11, 700506 Iasi, Romania
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Anti-IL-13Rα2 therapy promotes recovery in a murine model of inflammatory bowel disease. Mucosal Immunol 2019; 12:1174-1186. [PMID: 31308480 PMCID: PMC6717533 DOI: 10.1038/s41385-019-0189-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 05/21/2019] [Accepted: 06/23/2019] [Indexed: 02/08/2023]
Abstract
There continues to be a major need for more effective inflammatory bowel disease (IBD) therapies. IL-13Rα2 is a decoy receptor that binds the cytokine IL-13 with high affinity and diminishes its STAT6-mediated effector functions. Previously, we found that IL-13Rα2 was necessary for IBD in mice deficient in the anti-inflammatory cytokine IL-10. Here, we tested for the first time a therapeutic antibody specifically targeting IL-13Rα2. We also used the antibody and Il13ra2-/- mice to dissect the role of IL-13Rα2 in IBD pathogenesis and recovery. Il13ra2-/- mice were modestly protected from induction of dextran sodium sulfate (DSS)-induced colitis. Following a 7-day recovery period, Il13ra2-/- mice or wild-type mice administered the IL-13Rα2-neutralizing antibody had significantly improved colon health compared to control mice. Neutralizing IL-13Rα2 to increase IL-13 bioavailability promoted resolution of IBD even if neutralization occurred only during recovery. To link our observations in mice to a large human cohort, we conducted a phenome-wide association study of a more active variant of IL-13 (R130Q) that has reduced affinity for IL-13Rα2. Human subjects carrying R130Q reported a lower risk for Crohn's disease. Our findings endorse moving anti-IL-13Rα2 into preclinical drug development with the goal of accelerating recovery and maintaining remission in Crohn's disease patients.
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Halligan DN, Khan MN, Brown E, Rowan CR, Coulter IS, Doherty GA, Tambuwala MM, Taylor CT. Hypoxia-inducible factor hydroxylase inhibition enhances the protective effects of cyclosporine in colitis. Am J Physiol Gastrointest Liver Physiol 2019; 317:G90-G97. [PMID: 31070931 DOI: 10.1152/ajpgi.00049.2019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Inflammatory bowel disease (IBD) is characterized by epithelial barrier dysfunction with resultant inflammation as the mucosal immune system becomes exposed to luminal antigens. The hydroxylase inhibitor dimethyloxalylglycine (DMOG) reduces symptoms in experimental colitis through the upregulation of genes promoting barrier function and inhibition of epithelial cell apoptosis. The immunosuppressive drug cyclosporine reduces inflammation associated with IBD via suppression of immune cell activation. Given the distinct barrier protective effect of DMOG and the anti-inflammatory properties of cyclosporine, we hypothesized that combining these drugs may provide an enhanced protective effect by targeting both barrier dysfunction and inflammation simultaneously. We used the dextran sulfate sodium model of colitis in C57BL/6 mice to determine the combinatorial efficacy of cyclosporine and DMOG. While cyclosporine and DMOG ameliorated disease progression, in combination they had an additive protective effect that surpassed the level of protection afforded by either drug alone. The ability of DMOG to augment the anti-inflammatory effects of cyclosporine was largely due to preservation of barrier function and at least in part due to zonula occludens-1 regulation. We propose that combining the barrier protective effects of a hydroxylase inhibitor with the anti-inflammatory effects of cyclosporine provides added therapeutic benefit in colitis.NEW & NOTEWORTHY Inflammatory bowel disease is the result of decreased intestinal epithelial barrier function leading to exposure of the mucosal immune system to luminal antigens causing inflammation, which in turn further decreases epithelial barrier function. We demonstrate for the first time that strengthening the epithelial barrier with a hydroxylase inhibitor in combination with the administration of the immunosuppressive cyclosporine provides additive therapeutic advantage in a murine model of colitis.
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Affiliation(s)
- Doug N Halligan
- The Conway Institute, University College Dublin, Belfield, Dublin, Ireland.,Sigmoid Pharma, The Invent Centre, Dublin City University, Dublin, Ireland
| | - Mohammed N Khan
- The Saad Centre for Pharmacy and Diabetes, Ulster University, Coleraine, United Kingdom
| | - Eric Brown
- The Conway Institute, University College Dublin, Belfield, Dublin, Ireland
| | - Catherine R Rowan
- Centre for Colorectal Disease, St Vincent's University Hospital and School of Medicine, University College Dublin, Dublin, Ireland
| | - Ivan S Coulter
- Sigmoid Pharma, The Invent Centre, Dublin City University, Dublin, Ireland
| | - Glen A Doherty
- Centre for Colorectal Disease, St Vincent's University Hospital and School of Medicine, University College Dublin, Dublin, Ireland
| | - Murtaza M Tambuwala
- The Saad Centre for Pharmacy and Diabetes, Ulster University, Coleraine, United Kingdom
| | - Cormac T Taylor
- The Conway Institute, University College Dublin, Belfield, Dublin, Ireland
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41
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Conserved transcriptomic profile between mouse and human colitis allows unsupervised patient stratification. Nat Commun 2019; 10:2892. [PMID: 31253778 PMCID: PMC6598981 DOI: 10.1038/s41467-019-10769-x] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 05/31/2019] [Indexed: 02/07/2023] Open
Abstract
Clinical manifestations and response to therapies in ulcerative colitis (UC) are heterogeneous, yet patient classification criteria for tailored therapies are currently lacking. Here, we present an unsupervised molecular classification of UC patients, concordant with response to therapy in independent retrospective cohorts. We show that classical clustering of UC patient tissue transcriptomic data sets does not identify clinically relevant profiles, likely due to associated covariates. To overcome this, we compare cross-sectional human data sets with a newly generated longitudinal transcriptome profile of murine DSS-induced colitis. We show that the majority of colitis risk-associated gene expression peaks during the inflammatory rather than the recovery phase. Moreover, we achieve UC patient clustering into two distinct transcriptomic profiles, differing in neutrophil-related gene activation. Notably, 87% of patients in UC1 cluster are unresponsive to two most widely used biological therapies. These results demonstrate that cross-species comparison enables stratification of patients undistinguishable by other molecular approaches.
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42
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Exposure to the Harmful Algal Bloom (HAB) Toxin Microcystin-LR (MC-LR) Prolongs and Increases Severity of Dextran Sulfate Sodium (DSS)-Induced Colitis. Toxins (Basel) 2019; 11:toxins11060371. [PMID: 31242640 PMCID: PMC6628444 DOI: 10.3390/toxins11060371] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 06/20/2019] [Accepted: 06/22/2019] [Indexed: 01/07/2023] Open
Abstract
Inflammatory Bowel Disease (IBD) represents a collection of gastrointestinal disorders resulting from genetic and environmental factors. Microcystin-leucine arginine (MC-LR) is a toxin produced by cyanobacteria during algal blooms and demonstrates bioaccumulation in the intestinal tract following ingestion. Little is known about the impact of MC-LR ingestion in individuals with IBD. In this study, we sought to investigate MC-LR’s effects in a dextran sulfate sodium (DSS)-induced colitis model. Mice were separated into four groups: (a) water only (control), (b) DSS followed by water (DSS), (c) water followed by MC-LR (MC-LR), and (d) DSS followed by MC-LR (DSS + MC-LR). DSS resulted in weight loss, splenomegaly, and severe colitis marked by transmural acute inflammation, ulceration, shortened colon length, and bloody stools. DSS + MC-LR mice experienced prolonged weight loss and bloody stools, increased ulceration of colonic mucosa, and shorter colon length as compared with DSS mice. DSS + MC-LR also resulted in greater increases in pro-inflammatory transcripts within colonic tissue (TNF-α, IL-1β, CD40, MCP-1) and the pro-fibrotic marker, PAI-1, as compared to DSS-only ingestion. These findings demonstrate that MC-LR exposure not only prolongs, but also worsens the severity of pre-existing colitis, strengthening evidence of MC-LR as an under-recognized environmental toxin in vulnerable populations, such as those with IBD.
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43
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Steimle A, Menz S, Bender A, Ball B, Weber ANR, Hagemann T, Lange A, Maerz JK, Parusel R, Michaelis L, Schäfer A, Yao H, Löw HC, Beier S, Tesfazgi Mebrhatu M, Gronbach K, Wagner S, Voehringer D, Schaller M, Fehrenbacher B, Autenrieth IB, Oelschlaeger TA, Frick JS. Flagellin hypervariable region determines symbiotic properties of commensal Escherichia coli strains. PLoS Biol 2019; 17:e3000334. [PMID: 31206517 PMCID: PMC6597123 DOI: 10.1371/journal.pbio.3000334] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 06/27/2019] [Accepted: 06/05/2019] [Indexed: 12/19/2022] Open
Abstract
Escherichia coli represents a classical intestinal gram-negative commensal. Despite this commensalism, different E. coli strains can mediate disparate immunogenic properties in a given host. Symbiotic E. coli strains such as E. coli Nissle 1917 (EcN) are attributed beneficial properties, e.g., promotion of intestinal homeostasis. Therefore, we aimed to identify molecular features derived from symbiotic bacteria that might help to develop innovative therapeutic alternatives for the treatment of intestinal immune disorders. This study was performed using the dextran sodium sulphate (DSS)-induced colitis mouse model, which is routinely used to evaluate potential therapeutics for the treatment of Inflammatory Bowel Diseases (IBDs). We focused on the analysis of flagellin structures of different E. coli strains. EcN flagellin was found to harbor a substantially longer hypervariable region (HVR) compared to other commensal E. coli strains, and this longer HVR mediated symbiotic properties through stronger activation of Toll-like receptor (TLR)5, thereby resulting in interleukin (IL)-22–mediated protection of mice against DSS-induced colitis. Furthermore, using bone-marrow–chimeric mice (BMCM), CD11c+ cells of the colonic lamina propria (LP) were identified as the main mediators of these flagellin-induced symbiotic effects. We propose flagellin from symbiotic E. coli strains as a potential therapeutic to restore intestinal immune homeostasis, e.g., for the treatment of IBD patients. A flagellum renders bacteria motile, but this study reveals another property important for symbiosis: the hypervariable region of Escherichia coli flagellin strongly determines activation of TLR5, mediating benefits for the host such as protection against colitis.
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Affiliation(s)
- Alex Steimle
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Sarah Menz
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Annika Bender
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Brianna Ball
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | | | - Thomas Hagemann
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Anna Lange
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Jan K. Maerz
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Raphael Parusel
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Lena Michaelis
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Andrea Schäfer
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Hans Yao
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Hanna-Christine Löw
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Sina Beier
- Chair of Algorithms in Bioinformatics, Faculty of Computer Science, University of Tübingen, Tübingen, Germany
| | - Mehari Tesfazgi Mebrhatu
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Kerstin Gronbach
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - Samuel Wagner
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | - David Voehringer
- Department of Infection Biology, University Hospital Erlangen, Erlangen, Germany
| | - Martin Schaller
- Department of Dermatology, University Hospital Tübingen, Tübingen, Germany
| | | | - Ingo B. Autenrieth
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
| | | | - Julia-Stefanie Frick
- Institute of Medical Microbiology and Hygiene, University of Tübingen, Tübingen, Germany
- German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany
- * E-mail:
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Reisdorf WC, Xie Q, Zeng X, Xie W, Rajpal N, Hoang B, Burgert ME, Kumar V, Hurle MR, Rajpal DK, O’Donnell S, MacDonald TT, Vossenkämper A, Wang L, Reilly M, Votta BJ, Sanchez Y, Agarwal P. Preclinical evaluation of EPHX2 inhibition as a novel treatment for inflammatory bowel disease. PLoS One 2019; 14:e0215033. [PMID: 31002701 PMCID: PMC6474586 DOI: 10.1371/journal.pone.0215033] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 03/25/2019] [Indexed: 12/14/2022] Open
Abstract
Epoxyeicosatrienoic acids (EETs) are signaling lipids produced by cytochrome P450 epoxygenation of arachidonic acid, which are metabolized by EPHX2 (epoxide hydrolase 2, alias soluble epoxide hydrolase or sEH). EETs have pleiotropic effects, including anti-inflammatory activity. Using a Connectivity Map (CMAP) approach, we identified an inverse-correlation between an exemplar EPHX2 inhibitor (EPHX2i) compound response and an inflammatory bowel disease patient-derived signature. To validate the gene-disease link, we tested a pre-clinical tool EPHX2i (GSK1910364) in a mouse disease model, where it showed improved outcomes comparable to or better than the positive control Cyclosporin A. Up-regulation of cytoprotective genes and down-regulation of proinflammatory cytokine production were observed in colon samples obtained from EPHX2i-treated mice. Follow-up immunohistochemistry analysis verified the presence of EPHX2 protein in infiltrated immune cells from Crohn's patient tissue biopsies. We further demonstrated that GSK2256294, a clinical EPHX2i, reduced the production of IL2, IL12p70, IL10 and TNFα in both ulcerative colitis and Crohn's disease patient-derived explant cultures. Interestingly, GSK2256294 reduced IL4 and IFNγ in ulcerative colitis, and IL1β in Crohn's disease specifically, suggesting potential differential effects of GSK2256294 in these two diseases. Taken together, these findings suggest a novel therapeutic use of EPHX2 inhibition for IBD.
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Affiliation(s)
- William C. Reisdorf
- Computational Biology, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
- * E-mail:
| | - Qing Xie
- Computational Biology, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Xin Zeng
- Target & Pathway Validation, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Wensheng Xie
- Target & Pathway Validation, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Neetu Rajpal
- Computational Biology, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Bao Hoang
- Exploratory Biomarkers, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Mark E. Burgert
- Research Statistics, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Vinod Kumar
- Computational Biology, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Mark R. Hurle
- Computational Biology, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Deepak K. Rajpal
- Computational Biology, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Sarah O’Donnell
- Centre for Digestive Diseases, Royal London Hospital, Barts Health NHS Trust, London, United Kingdom
| | | | - Anna Vossenkämper
- Centre for Immunobiology, Blizard Institute, QMUL, London, United Kingdom
| | - Lin Wang
- Pattern Recognition Receptor DPU, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Mike Reilly
- Pattern Recognition Receptor DPU, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Bart J. Votta
- Pattern Recognition Receptor DPU, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Yolanda Sanchez
- Stress and Repair DPU, Respiratory Therapy Area, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Pankaj Agarwal
- Computational Biology, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
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45
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Zhang L, Xue H, Zhao G, Qiao C, Sun X, Pang C, Zhang D. Curcumin and resveratrol suppress dextran sulfate sodium‑induced colitis in mice. Mol Med Rep 2019; 19:3053-3060. [PMID: 30816479 PMCID: PMC6423642 DOI: 10.3892/mmr.2019.9974] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 02/06/2019] [Indexed: 02/06/2023] Open
Abstract
Curcumin and resveratrol are two natural products, which have been described as potential anti‑inflammatory, anti‑tumor, and anti‑oxidant molecules. The aims of the present study were to investigate the protective effect of curcumin and resveratrol on dextran sulfate sodium (DSS)‑induced ulcerative colitis (UC) in mice, in addition to understanding the underlying molecular mechanisms. In order to accomplish this, BALB/c mice received drinking water containing 3.5% DSS. Curcumin (50 mg/kg/day) or resveratrol (80 mg/kg/day) were administered orally for 7 days. Survival rate, body weight, disease activity index score, colon length, pro‑inflammatory cytokines, and the expression autophagy‑associated proteins, and mechanistic target of rapamycin (mTOR) and sirtuin 1 (SIRT1) were measured. Curcumin or resveratrol treatment prolonged the survival of mice with UC, reduced body weight loss and attenuated the severity of the disease compared with the DSS‑treated mice. This effect was associated with a substantial clinical amelioration of the disruption of the colonic architecture and a significant reduction in pro‑inflammatory cytokine production. Furthermore, curcumin or resveratrol significantly downregulated the expression of autophagy‑related 12, Beclin‑1 and microtubule‑associated protein light chain 3 II, and upregulated the expression of phosphorylated mTOR and SIRT1 in the colon tissue, compared with those in the DSS‑treated group. These results suggest that curcumin and resveratrol exert protective effects on DSS‑induced UC, partially through suppressing the intestinal inflammatory cascade reaction, reducing autophagy and regulating SIRT1/mTOR signaling.
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Affiliation(s)
- Lize Zhang
- Department of Anorectal, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Hui Xue
- Department of Gynecology, Qingdao Hospital of Traditional Chinese Medicine, Qingdao, Shandong 266000, P.R. China
| | - Gang Zhao
- Department of Anorectal, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Cuixia Qiao
- Department of Anorectal, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Xiaomei Sun
- Department of Anorectal, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Chengjian Pang
- Department of Anorectal, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Dianliang Zhang
- Center of Colon and Rectum, Qingdao Municipal Hospital, Qingdao, Shandong 266011, P.R. China
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Effects of watermelon powder supplementation on colitis in high-fat diet-fed and dextran sodium sulfate-treated rats. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.02.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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Hu S, Cheng M, Fan R, Wang Z, Wang L, Zhang T, Zhang M, Louis E, Zhong J. Beneficial effects of dual TORC1/2 inhibition on chronic experimental colitis. Int Immunopharmacol 2019; 70:88-100. [PMID: 30797172 DOI: 10.1016/j.intimp.2019.02.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 02/12/2019] [Accepted: 02/12/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND AIM AZD8055, a new immunosuppressive reagent, a dual TORC1/2 inhibitor, had been used successfully in animal models for heart transplantation. The aim of this study was to evaluate the effects and mechanisms of AZD8055 on chronic intestinal inflammation. METHODS Dextran sulfate sodium (DSS) - induced chronic colitis was used to investigate the effects of AZD8055 on the development of colitis. Colitis activity was monitored by body weight assessment, colon length, histology and cytokine profile analysis. RESULTS AZD8055 treatment significantly alleviated the severity of colitis, as assessed by colonic length and colonic damage. In addition, AZD8055 treatment decreased the colonic CD4+ T cell numbers and reduced both Th1 and Th17 cell activation and cytokine production. The percentages of Treg cells in the colon were also expanded by AZD8055 treatment. Furthermore, AZD8055 effectively inhibited mTOR downstream proteins and signal transducer and activator of transcription related proteins in CD4+ T cells of intestinal lamina propria. CONCLUSIONS These findings increased our understanding of DSS-induced colitis and shed new lights on mechanisms of digestive tract chronic inflammation. Dual TORC1/2 inhibition showed potent anti-inflammatory and immune regulation effects by targeting critical signaling pathways. The results supported the strategy of using dual mTOR inhibitor to treat inflammatory bowel disease.
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Affiliation(s)
- Shurong Hu
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 200025 Shanghai, PR China; Translational Gastroenterology Research Unit, GIGA-R, University of Liège, Belgium
| | - Mengmeng Cheng
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 200025 Shanghai, PR China; Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and technology, Wuhan, Hubei, PR China
| | - Rong Fan
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 200025 Shanghai, PR China
| | - Zhengting Wang
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 200025 Shanghai, PR China
| | - Lei Wang
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 200025 Shanghai, PR China
| | - Tianyu Zhang
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 200025 Shanghai, PR China
| | - Maochen Zhang
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 200025 Shanghai, PR China
| | - Edouard Louis
- Translational Gastroenterology Research Unit, GIGA-R, University of Liège, Belgium; Hepato-Gastroenterology and Digestive Oncology Unit, University Hospital, CHU Liege, Domaine du Sart Tilman, 4000 Liege, Belgium.
| | - Jie Zhong
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 200025 Shanghai, PR China.
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Rankin CR, Theodorou E, Man Law IK, Rowe L, Kokkotou E, Pekow J, Wang J, Martín MG, Pothoulakis C, Padua D. Identification of novel mRNAs and lncRNAs associated with mouse experimental colitis and human inflammatory bowel disease. Am J Physiol Gastrointest Liver Physiol 2018; 315:G722-G733. [PMID: 29953254 PMCID: PMC6293253 DOI: 10.1152/ajpgi.00077.2018] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Inflammatory bowel disease (IBD) is a complex disorder that is associated with significant morbidity. While many recent advances have been made with new diagnostic and therapeutic tools, a deeper understanding of its basic pathophysiology is needed to continue this trend toward improving treatments. By utilizing an unbiased, high-throughput transcriptomic analysis of two well-established mouse models of colitis, we set out to uncover novel coding and noncoding RNAs that are differentially expressed in the setting of colonic inflammation. RNA-seq analysis was performed using colonic tissue from two mouse models of colitis, a dextran sodium sulfate-induced model and a genetic-induced model in mice lacking IL-10. We identified 81 coding RNAs that were commonly altered in both experimental models. Of these coding RNAs, 12 of the human orthologs were differentially expressed in a transcriptomic analysis of IBD patients. Interestingly, 5 of the 12 of human differentially expressed genes have not been previously identified as IBD-associated genes, including ubiquitin D. Our analysis also identified 15 noncoding RNAs that were differentially expressed in either mouse model. Surprisingly, only three noncoding RNAs were commonly dysregulated in both of these models. The discovery of these new coding and noncoding RNAs expands our transcriptional knowledge of mouse models of IBD and offers additional targets to deepen our understanding of the pathophysiology of IBD. NEW & NOTEWORTHY Much of the genome is transcribed as non-protein-coding RNAs; however, their role in inflammatory bowel disease is largely unknown. This study represents the first of its kind to analyze the expression of long noncoding RNAs in two mouse models of inflammatory bowel disease and correlate them to human clinical samples. Using high-throughput RNA-seq analysis, we identified new coding and noncoding RNAs that were differentially expressed such as ubiquitin D and 5730437C11Rik.
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Affiliation(s)
- Carl Robert Rankin
- 1Division of Digestive Diseases, Department of Medicine David Geffen School of Medicine at University of California, Los Angeles, California
| | - Evangelos Theodorou
- 2Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Ivy Ka Man Law
- 1Division of Digestive Diseases, Department of Medicine David Geffen School of Medicine at University of California, Los Angeles, California
| | - Lorraine Rowe
- 1Division of Digestive Diseases, Department of Medicine David Geffen School of Medicine at University of California, Los Angeles, California
| | - Efi Kokkotou
- 2Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Joel Pekow
- 3Division of Gastroenterology, University of Chicago, Chicago, Illinois
| | - Jiafang Wang
- 4Division of Pediatrics, Department of Medicine David Geffen School of Medicine at University of California, Los Angeles, California
| | - Martín G. Martín
- 4Division of Pediatrics, Department of Medicine David Geffen School of Medicine at University of California, Los Angeles, California
| | - Charalabos Pothoulakis
- 1Division of Digestive Diseases, Department of Medicine David Geffen School of Medicine at University of California, Los Angeles, California
| | - David Padua
- 1Division of Digestive Diseases, Department of Medicine David Geffen School of Medicine at University of California, Los Angeles, California,5Division of Gastroenterology, Hepatology and Parenteral Nutrition, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California
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Zhao X, Qi Y, Yi R, Park KY. Anti-ageing skin effects of Korean bamboo salt on SKH1 hairless mice. Int J Biochem Cell Biol 2018; 103:1-13. [PMID: 30053505 DOI: 10.1016/j.biocel.2018.07.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 07/21/2018] [Accepted: 07/23/2018] [Indexed: 10/28/2022]
Abstract
Bamboo salt is generated by baking bamboo and sea salt and is used as a traditional food or medicine. The aim of this study was to investigate the anti-ageing skin effects of Korean bamboo salt and to compare the antioxidant, anti-ageing and anti-inflammatory effects of various salts, including purified salt, solar salt, bath solar salt, Masada solar salt, 1-time baked bamboo salt (1× bamboo salt), and 9-times baked bamboo salt (9× bamboo salt). Based on the content of mineral elements, pH, OH groups and redox potential amperometric analysis, the 9× bamboo salt showed the most antioxidant components and characteristics compared to the other salts. The in vitro results showed that the 9× bamboo salt could inhibit oxidative damage by hydrogen peroxide (H2O2) treatment in HaCaT keratinocytes, and its effect was better than that of the other salts. In an in vivo experiment, SHK-1 hairless mice were treated with UV (ultraviolet) radiation to induce ageing. The epidermal thickness and epidermal structures were then assessed by phenotypic and histological analyses. The 0.2% 9× bamboo salt- and 1× bamboo salt-treated mice had a thinner epidermis than the control mice, and the sebaceous glands were almost intact with a regular arrangement that was similar to those in the normal group. Compared with the UV-treated group (control group) and other salt-treated groups, the 9× bamboo salt- and 1× bamboo salt-treated groups had higher dermal collagen and elastic fibre content. Fewer mast cells were observed in the 9× bamboo salt- and 1× bamboo salt-treated groups than in the control group. The activities of the skin antioxidant-related enzymes superoxide dismutase (SOD) and catalase (CAT) in the 9× bamboo salt- and 1× bamboo salt-treated groups were higher than those in other groups and similar to those in the normal group, but lipid peroxide (LPO) activity and carbonylated protein levels showed the opposite trends. Furthermore, the 9× bamboo salt- and 1× bamboo salt-treated groups had protein contents similar to those of the normal group. In addition, the 9× bamboo salt and 1× bamboo salt effectively down-regulated the expression of matrix metalloproteinase-2 (MMP-2) and matrix metalloproteinase-9 (MMP-9) and up-regulated the expression of tissue inhibitor expression of matrix metalloproteinase-1 (TIMP-1), matrix metalloproteinase-2 (TIMP-2), SOD and CAT compared to the other salts at a concentration of 0.2% (p < 0.05). These results suggest that at appropriate concentrations, bamboo salt could prevent skin ageing induced by ultraviolet radiation b (UVB) photodamage.
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Affiliation(s)
- Xin Zhao
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing University of Education, Chongqing, 400067, PR China; College of Biological and Chemical Engineering, Chongqing University of Education, Chongqing, 400067, PR China; Chongqing Engineering Research Center of Functional Food, Chongqing University of Education, Chongqing, 400067, PR China; Chongqing Engineering Laboratory for Research and Development of Functional Food, Chongqing University of Education, Chongqing, 400067, PR China
| | - Yongcai Qi
- Department of Food Science and Nutrition, Pusan National University, Busan, 609-735, South Korea
| | - Ruokun Yi
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing University of Education, Chongqing, 400067, PR China; College of Biological and Chemical Engineering, Chongqing University of Education, Chongqing, 400067, PR China; Chongqing Engineering Research Center of Functional Food, Chongqing University of Education, Chongqing, 400067, PR China; Chongqing Engineering Laboratory for Research and Development of Functional Food, Chongqing University of Education, Chongqing, 400067, PR China
| | - Kun-Young Park
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing University of Education, Chongqing, 400067, PR China; Department of Food Science and Biotechnology, Cha University, Gyeongghi-do, 487-010, South Korea.
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Li YH, Adam R, Colombel JF, Bian ZX. A characterization of pro-inflammatory cytokines in dextran sulfate sodium-induced chronic relapsing colitis mice model. Int Immunopharmacol 2018; 60:194-201. [DOI: 10.1016/j.intimp.2018.05.001] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 04/27/2018] [Accepted: 05/03/2018] [Indexed: 12/16/2022]
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