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Yu W, Li B, Chen L, Chen Q, Song Q, Jin X, Yin Y, Tong H, Xue L. Gigantol ameliorates DSS-induced colitis via suppressing β2 integrin mediated adhesion and chemotaxis of macrophage. J Ethnopharmacol 2024; 328:118123. [PMID: 38554854 DOI: 10.1016/j.jep.2024.118123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 03/14/2024] [Accepted: 03/26/2024] [Indexed: 04/02/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Dendrobium, recognized as "Shihu" in traditional Chinese medicine, holds a rich history of medicinal utilization documented in the Chinese Pharmacopoeia. Ancient texts like "Shen Nong Ben Cao Jing" extol Dendrobium's virtues as a superior herbal medicine fortifying "Yin" and invigorating the five viscera. Dendrobium is extensively employed for the treatment of gastrointestinal inflammatory disorders, showcasing significant therapeutic efficacy, particularly against ulcerative colitis (UC), within the realm of Chinese ethnopharmacology. Dendrobium plays crucial pharmacological roles due to its rich content of polysaccharides, alkaloids, phenanthrenes, and bibenzyls. Gigantol, a prominent bibenzyl compound, stands out as one of the most vital active constituents within Dendrobium, the gigantol content of Dendrobium leaves can reach approximately 4.79 μg/g. Its significance lies in being recognized as a noteworthy anti-inflammatory compound derived from Dendrobium. AIM OF THE STUDY Given the pivotal role of gigantol as a primary active substance in Dendrobium, the therapeutic potential of gigantol for gastrointestinal diseases remains enigmatic. Our present investigation aimed to evaluate the therapeutic effects of gigantol on dextran sulfate sodium (DSS)-induced colitis and reveal its potential mechanism in countering UC activity. MATERIALS AND METHODS The protective efficacy of gigantol against colitis was assessed by examining the histopathological changes and conducting biochemical analyses of colon from DSS-challenged mice. Assessments focused on gigantol's impact on improving the intestinal epithelial barrier and its anti-inflammatory effects in colonic tissues of colitis mice. Investigative techniques included the exploration of the macrophage inflammatory signaling pathway via qPCR and Western blot analyses. In vitro studies scrutinized macrophage adhesion, migration, and chemotaxis utilizing transwell and Zigmond chambers. Furthermore, F-actin and Rac1 activation assays detailed cellular cytoskeletal remodeling. The potential therapeutic target of gigantol was identified and validated through protein binding analysis, competitive enzyme-linked immunosorbent assay (ELISA), cellular thermal shift assay (CETSA), and drug affinity responsive target stability (DARTS) assay. The binding sites between gigantol and its target were predicted via molecular docking. RESULTS Gigantol ameliorated symptoms of DSS-induced colitis, rectified damage to the intestinal barrier, and suppressed the production of pro-inflammatory cytokines in colonic tissues. Intriguingly, gigantol significantly curtailed NF-κB signaling activation in the colons of DSS-induced colitis mice. Notably, gigantol impaired the β2 integrin-dependent adhesion and migratory capacity of RAW264.7 cells. Moreover, gigantol notably influenced the cytoskeleton remodeling of RAW264.7 cells by suppressing Vav1 phosphorylation and Rac1 activation. Mechanistically, gigantol interacted with β2 integrin, subsequently diminishing binding affinity with intercellular adhesion molecule-1 (ICAM-1). CONCLUSIONS In conclusion, these findings elucidate that gigantol ameliorates DSS-induced colitis by antagonizing β2 integrin-mediated macrophage adhesion, migration, and chemotaxis, thus it may impede macrophage recruitment and infiltration into colonic tissues. This study suggests that gigantol shows promise as a viable candidate for clinical colitis therapy.
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Affiliation(s)
- Weilai Yu
- Department of Gastroenterology, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, PR China
| | - Boyang Li
- Zhejiang Provincial Key Laboratory for Water Environment and Marine Biological Resources Protection, College of Life and Environmental Science, Wenzhou University, Wenzhou, 325000, PR China
| | - Luxi Chen
- Pediatric Emergency Observation Department, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, PR China
| | - Qiu Chen
- Department of Endocrinology, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, PR China
| | - QingQing Song
- Department of Gastroenterology, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, PR China
| | - Xiaosheng Jin
- Department of Gastroenterology, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, PR China
| | - Yandan Yin
- Department of Pediatric Medicine, Taizhou Women and Children's Hospital of Wenzhou Medical University, Taizhou, 325200, PR China
| | - Haibin Tong
- Zhejiang Provincial Key Laboratory for Water Environment and Marine Biological Resources Protection, College of Life and Environmental Science, Wenzhou University, Wenzhou, 325000, PR China; State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Beijing, 100700, PR China.
| | - Liwei Xue
- Department of Gastroenterology, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, PR China.
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Jiang Y, Huang Y, Hu Y, Yang Y, You F, Hu Q, Li X, Zhao Z. Banxia Xiexin Decoction delays colitis-to-cancer transition by inhibiting E-cadherin/β-catenin pathway via Fusobacterium nucleatum FadA. J Ethnopharmacol 2024; 328:117932. [PMID: 38382652 DOI: 10.1016/j.jep.2024.117932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/07/2024] [Accepted: 02/17/2024] [Indexed: 02/23/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Colitis is an important risk factor for the occurrence of colorectal cancer (CRC), and the colonization of Fusobacterium nucleatum (Fn) in the intestines accelerates this transformation process. Banxia Xiexin Decoction (BXD), originating from Shanghanlun, is a classic prescription for treating gastrointestinal diseases. Current researches indicate that BXD can effectively delay the colitis-to-cancer transition, but it is still unclear whether it can inhibit Fn colonization to achieve this delaying effect. AIM OF STUDY This study explored the effect and mechanism of BXD in inhibiting Fn intestinal colonization to delay colitis-to-cancer transition. MATERIALS AND METHODS We constructed a mouse model of colitis-to-cancer transition by regularly gavaging Fn combined with azoxymethane (AOM)/dextran sodium sulfate (DSS), and administered BXD by gavage. We monitored the body weight of mice, measured the length and weight of their colons, and calculated the disease activity index (DAI) score. The growth status of colon tumors was observed by hematoxylin and eosin (H&E) staining, and the changes in gut microbiota in each group of mice were detected by 16S rDNA analysis. Immunohistochemistry was used to detect the expression of E-cadherin and β-catenin in colon tissues, and immunofluorescence was used to observe the infiltration of M2 macrophages in colon tissues. In cell experiments, we established a co-culture model of Fn and colon cancer cells and intervened with BXD-containing serum. Malignant behaviors such as cell proliferation, invasion, and migration were detected, as well as changes in their cell cycle. We examined the protein levels of E-cadherin, β-catenin, Axin2, and Cyclin D1 in each group were detected by Western blot. We used US1 strain (fadA-) as a control and observed the effects of BXD-containing serum on Fn attachment and invasion of colon cancer cells through attachment and invasion experiments. RESULTS BXD can inhibit the colitis-to-cancer transition in mice infected with Fn, reduce crypt structure damage, improve gut microbiota dysbiosis, upregulate E-cadherin and decrease β-catenin expression, and reduce infiltration of M2 macrophages, thus inhibiting the process of colitis-to-cancer transition. Cell experiments revealed that BXD-containing serum can inhibit the proliferation, migration, and invasion of colon cancer cells infected with Fn and regulate their cell cycle. More importantly, we found that BXD-containing serum can inhibit the binding of Fn's FadA adhesin to E-cadherin, reduce Fn's attachment and invasion of colon cancer cells, thereby downregulating the E-cadherin/β-catenin signaling pathway. CONCLUSIONS These findings show that BXD can inhibit Fn colonization by interfering with the binding of FadA to E-cadherin, reducing the activation of the E-cadherin/β-catenin signaling pathway, and ultimately delaying colitis-to-cancer transition.
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Affiliation(s)
- Yifang Jiang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, Sichuan Province, PR China
| | - Yuqing Huang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, Sichuan Province, PR China
| | - Yane Hu
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, Sichuan Province, PR China
| | - Yi Yang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, Sichuan Province, PR China
| | - Fengming You
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, Sichuan Province, PR China; Cancer Institute, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, Sichuan Province, PR China
| | - Qiongying Hu
- Department of Laboratory Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China, Chengdu, 610072, Sichuan Province, PR China.
| | - Xueke Li
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, Sichuan Province, PR China.
| | - Ziyi Zhao
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, Sichuan Province, PR China.
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Zhang S, Li Y, Chen G, Wang X, Wu B. Sarcandra glabra (Thunb.) Nakai alleviates DSS-induced ulcerative colitis by promoting restitution, restoring barrier function, and modulating IL-17/Notch1/FoxP3 pathway in intestinal cells. J Ethnopharmacol 2024; 328:118131. [PMID: 38565408 DOI: 10.1016/j.jep.2024.118131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 03/27/2024] [Accepted: 03/28/2024] [Indexed: 04/04/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Sarcandra glabra is officially named Zhong Jie Feng as a traditional medicine. In the nationality of Yao and Zhuang, it has been used to treat digestive diseases like stomachache and dysentery. Similarly, in Dai nationality, it has been used to treat intestinal diseases like gastric ulcers. However, the effect and mechanism of S. glabra on experimental ulcerative colitis (UC) are known. AIM OF STUDY The main objective of this study was to investigate the effect and mechanism of S. glabra on experimental UC. MATERIALS AND METHODS The chemical components in the water extract of S. glabra (ZJF) were analyzed by UPLC-MS/MS method. The HCoEpiC cell line was used to assess the promotive effect on intestinal proliferation and restitution. RAW264.7 cells were used to assess the in vitro anti-inflammatory effect of ZJF. The 3% DSS-induced colitis model was used to evaluate the in vivo effect of ZJF (4.5 g/kg and 9.0 g/kg). Mesalazine (0.5 g/kg) was used as the positive drug. ELISA, RT-qPCR, Western blot, and multiplex immunohistochemical experiments were used to test gene levels in the colon tissue. The H&E staining method was used to monitor the pathological changes of colon tissue. TUNEL assay kit was used to detect apoptosis of epithelial colonic cells. RESULTS ZJF could alleviate the DSS-caused colitis in colon tissues, showing a comparative effect to that of the positive drug mesalazine. Mechanism study indicated that ZJF could promote normal colonic HCoEpiC cell proliferation and restitution, inhibit overexpression of pro-inflammatory cytokines, restore the M1/M2 ratio, decrease epithelial colonic cell apoptosis, rescue tight junction protein levels, and modulate IL-17/Notch1/FoxP3 pathway to treat experimental UC. CONCLUSION Our results indicated that S. glabra can promote intestinal cell restitution, balance immune response, and modulate IL-17/Notch1/FoxP3 pathway to treat experimental UC.
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Affiliation(s)
- Shuling Zhang
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, 110004, China.
| | - Yanwu Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China.
| | - Gang Chen
- School of Traditional Chinese Materia Medica, Key Laboratory of Innovative Traditional Chinese Medicine for Major Chronic Diseases of Liaoning Province, Key Laboratory for TCM Material Basis Study and Innovative Drug Development of Shenyang City, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Xu Wang
- Department of Gastroenterological Endoscopy, The First Hospital of China Medical University, Shenyang, 110001, China.
| | - Bin Wu
- Department of Hematology, Shengjing Hospital of China Medical University, Shenyang, 110004, China.
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Ashiqueali SA, Chaudhari D, Zhu X, Noureddine S, Siddiqi S, Garcia DN, Gostynska A, Stawny M, Rubis B, Zanini BM, Mansoor MAM, Schneider A, Naser SA, Yadav H, Masternak MM. Fisetin modulates the gut microbiota alongside biomarkers of senescence and inflammation in a DSS-induced murine model of colitis. GeroScience 2024; 46:3085-3103. [PMID: 38191834 PMCID: PMC11009197 DOI: 10.1007/s11357-024-01060-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 01/01/2024] [Indexed: 01/10/2024] Open
Abstract
Colitis, a subtype of inflammatory bowel disease (IBD), is a multifactorial disorder characterized by chronic inflammation of the colon. Among various experimental models used in the study of IBD, the chemical colitogenic dextran sulfate sodium (DSS) is most commonly employed to induce colitis in vivo. In the search for new therapeutic strategies, Fisetin, a flavonoid found in many fruits and vegetables, has recently garnered attention for its senolytic properties. Female mice were administered 2.5% DSS in sterile drinking water and were subsequently treated with Fisetin or vehicle by oral gavage. DSS significantly upregulated beta-galactosidase activity in colonic proteins, while Fisetin remarkably inhibited its activity to baseline levels. Particularly, qPCR revealed that the senescence and inflammation markers Vimentin and Ptgs2 were elevated by DSS exposure with Fisetin treatment inhibiting the expression of p53, Bcl2, Cxcl1, and Mcp1, indicating that the treatment reduced senescent cell burden in the DSS targeted intestine. Alongside, senescence and inflammation associated miRNAs miR-149-5p, miR-96-5p, miR-34a-5p, and miR-30e-5p were significantly inhibited by DSS exposure and restored by Fisetin treatment, revealing novel targets for the treatment of IBDs. Metagenomics was implemented to assess impacts on the microbiota, with DSS increasing the prevalence of bacteria in the phyla Bacteroidetes. Meanwhile, Fisetin restored gut health through increased abundance of Akkermansia muciniphila, which is negatively correlated with senescence and inflammation. Our study suggests that Fisetin mitigates DSS-induced colitis by targeting senescence and inflammation and restoring beneficial bacteria in the gut indicating its potential as a therapeutic intervention for IBDs.
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Affiliation(s)
- Sarah A Ashiqueali
- University of Central Florida College of Medicine, Burnett School of Biomedical Sciences, Orlando, FL, USA
| | - Diptaraj Chaudhari
- University of South Florida Morsani College of Medicine, Neurosurgery & Brain Repair, Tampa, FL, USA
| | - Xiang Zhu
- University of Central Florida College of Medicine, Burnett School of Biomedical Sciences, Orlando, FL, USA
| | - Sarah Noureddine
- University of Central Florida College of Medicine, Burnett School of Biomedical Sciences, Orlando, FL, USA
| | - Sarah Siddiqi
- University of Central Florida College of Medicine, Burnett School of Biomedical Sciences, Orlando, FL, USA
| | - Driele N Garcia
- Faculdade de Nutricao, Universidade Federal de Pelotas, Pelotas, Rio Grande Do Sul, Brazil
| | - Aleksandra Gostynska
- Poznan University of Medical Sciences, Department of Pharmaceutical Chemistry, Poznan, Poland
| | - Maciej Stawny
- Poznan University of Medical Sciences, Department of Pharmaceutical Chemistry, Poznan, Poland
| | - Blazej Rubis
- Poznan University of Medical Sciences, Department of Pharmaceutical Chemistry, Poznan, Poland
| | - Bianka M Zanini
- Faculdade de Nutricao, Universidade Federal de Pelotas, Pelotas, Rio Grande Do Sul, Brazil
| | - Mishfak A M Mansoor
- University of Central Florida College of Medicine, Burnett School of Biomedical Sciences, Orlando, FL, USA
| | - Augusto Schneider
- Faculdade de Nutricao, Universidade Federal de Pelotas, Pelotas, Rio Grande Do Sul, Brazil
| | - Saleh A Naser
- University of Central Florida College of Medicine, Burnett School of Biomedical Sciences, Orlando, FL, USA
| | - Hariom Yadav
- University of South Florida Morsani College of Medicine, Neurosurgery & Brain Repair, Tampa, FL, USA
| | - Michal M Masternak
- University of Central Florida College of Medicine, Burnett School of Biomedical Sciences, Orlando, FL, USA.
- Department of Head and Neck Surgery, Poznan University of Medical Sciences, Poznan, Poland.
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Yang Y, Huang S, Liao Y, Wu X, Zhang C, Wang X, Yang Z. Hippuric acid alleviates dextran sulfate sodium-induced colitis via suppressing inflammatory activity and modulating gut microbiota. Biochem Biophys Res Commun 2024; 710:149879. [PMID: 38579536 DOI: 10.1016/j.bbrc.2024.149879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 03/31/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024]
Abstract
Inflammatory bowel disease (IBD) is a chronic inflammatory disease associated with metabolic disorder and gut dysbiosis. Decreased abundance of hippuric acid (HA) was found in patients with IBD. HA, metabolized directly from benzoic acid in the intestine and indirectly from polyphenols, serves as a marker of polyphenol catabolism. While polyphenols and benzoic acid have been shown to alleviate intestinal inflammation, the role of HA in this context remains unknown. Herein, we investigated the effects and mechanism of HA on DSS-induced colitis mice. The results revealed that HA alleviated clinical activity and intestinal barrier damage, decreased pro-inflammatory cytokine production. Metagenomic sequencing suggested that HA treatment restored the gut microbiota, including an increase in beneficial gut bacteria such as Adlercreutzia, Eubacterium, Schaedlerella and Bifidobacterium_pseudolongum. Furthermore, we identified 113 candidate genes associated with IBD that are potentially under HA regulation through network pharmacological analyses. 10 hub genes including ALB, IL-6, HSP90AA1, and others were identified using PPI analysis and validated using molecular docking and mRNA expression analysis. Additionally, KEGG analysis suggested that the renin-angiotensin system (RAS), NF-κB signaling and Rap1 signaling pathways were important pathways in the response of HA to colitis. Thus, HA may provide novel biotherapy options for IBD.
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Affiliation(s)
- Yan Yang
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China; Hunan Key Laboratory of Non-Resolving Inflammation and Cancer, Changsha, 410008, China
| | - Shiqin Huang
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China; Hunan Key Laboratory of Non-Resolving Inflammation and Cancer, Changsha, 410008, China
| | - Yangjie Liao
- Department of Gastroenterology, Changde Hospital, Xiangya School of Medicine, Central South University, Changde, 415000, China
| | - Xing Wu
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China; Hunan Key Laboratory of Non-Resolving Inflammation and Cancer, Changsha, 410008, China
| | - Chao Zhang
- Department of Gastroenterology, Zhuzhou Central Hospital, Zhuzhou, 412001, China
| | - Xiaoyan Wang
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China; Hunan Key Laboratory of Non-Resolving Inflammation and Cancer, Changsha, 410008, China.
| | - Zhenyu Yang
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China; Hunan Key Laboratory of Non-Resolving Inflammation and Cancer, Changsha, 410008, China.
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Wei X, Liang J, Liu J, Dai Y, Leng X, Cheng Y, Chi L. Anchang Yuyang Decoction inhibits experimental colitis-related carcinogenesis by regulating PPAR signaling pathway and affecting metabolic homeostasis of host and microbiota. J Ethnopharmacol 2024; 326:117995. [PMID: 38428656 DOI: 10.1016/j.jep.2024.117995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 02/26/2024] [Indexed: 03/03/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Inflammatory bowel disease (IBD) presents a risk of carcinogenesis, which escalates with the duration of IBD. Persistent histological inflammation is considered to be the driving factor of colitis carcinogenesis. Effective control of inflammation is helpful to prevent and treat colitis-related colorectal cancer (CAC). Anchang Yuyang Decoction (AYD), a traditional Chinese medicine (TCM) formula, is originated from the ancient prescription of TCM for treating colitis and colorectal cancer. AYD has demonstrated efficacy in treating IBD and potential anti-carcinogenic properties. AIM OF THE STUDY This research aims to assess the therapeutic efficacy of AYD in ameliorating experimental colitis-related carcinogenesis induced by AOM/DSS. It further seeks to elucidate its potential mechanisms by integrating multiple omics sequencing approaches. MATERIALS AND METHODS A rat model for colitis-related carcinogenesis was developed using azoxymethane (AOM)/dextran sulfate sodium (DSS). UPLC-MS identified AYD's chemical constituents. Rats were administered varying doses of AYD (18.37, 9.19 and 4.59 g/kg) orally for 53 days, with mesalazine as a positive control. The study evaluated anti-carcinogenic effects by examining adenoma number, adenoma load, abnormal crypt foci (ACF), histopathological damage, and tumor-related protein expression. Anti-inflammatory and reparative effects were assessed through body weight, disease activity index (DAI), colon length, spleen index, inflammatory cytokine levels, and tight junction protein expression. The effects on intestinal microbiota and host metabolism were explored through 16S rRNA sequencing, targeted short-chain fatty acid (SCFA) metabonomics, and non-targeted colon metabolomics. Potential AYD targets were identified through transcriptomic sequencing and validated by qRT-PCR and western blotting. RESULTS AYD significantly reduced adenoma number, adenoma load, neoplasm-associated lesions, ACF, and tumor-related protein expression (e.g., p53, PCNA) in AOM/DSS-induced rats, thus impeding colitis-related carcinogenesis progression. AYD also alleviated histopathological damage and inflammation, promoting intestinal mucosal barrier repair. Furthermore, AYD modulated intestinal flora structure, enhanced SCFA production, and regulated colon metabolites. Transcriptomic sequencing revealed a significant impact on the peroxisome proliferator-activated receptor (PPAR) signaling pathway. Subsequent qRT-PCR and western blotting experiments indicated AYD's influence in up-regulating PPAR-γ and down-regulating PPAR-α, PPAR-β/δ, and related proteins (thrombomodulin [Thbd], fatty acid binding protein 5 [Fabp5], stearoyl-CoA desaturase 2 [Scd2], phospholipid transfer protein [Pltp]). CONCLUSIONS This study demonstrates AYD's ability to inhibit experimental colitis-related carcinogenesis induced by AOM/DSS. Its mechanism likely involves modulation of the PPAR signaling pathway, impacting intestinal microbiota and host metabolic equilibrium.
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Affiliation(s)
- Xiunan Wei
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250014, China.
| | - Junwei Liang
- Department of Gastroenterology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China.
| | - Jiahui Liu
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250014, China.
| | - Yonggang Dai
- Department of Clinical Laboratory Medicine, Shandong Provincial Third Hospital, Jinan, 250014, China.
| | - Xiaohui Leng
- Department of Cardiovascular Medicine, Weifang Traditional Chinese Hospital, Weifang, 261000, China.
| | - Yan Cheng
- Department of Gastroenterology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China.
| | - Lili Chi
- Department of Gastroenterology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China.
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Yang MJ, Zhang YN, Qiao Z, Xu RY, Chen SM, Hu P, Yu HL, Pan Y, Cao J. An investigation into the HIF-dependent intestinal barrier protective mechanism of Qingchang Wenzhong decoction in ulcerative colitis management. J Ethnopharmacol 2024; 325:117807. [PMID: 38280661 DOI: 10.1016/j.jep.2024.117807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 01/15/2024] [Accepted: 01/19/2024] [Indexed: 01/29/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Ulcerative colitis (UC) is a chronic, non-specific inflammatory disease affecting the colon and rectum with an etiology that remains elusive. Traditional Chinese medicine (TCM) has been widely used on long-term UC treatment to better maintain the efficacy than traditional aminosalicylic acid or glucocorticosteroids and to ease financial burden of patients. Qingchang Wenzhong Decoction (QCWZD) is a modern TCM decoction with established clinical efficacy but the mechanism of its protection on intestinal barrier function remains unclear. AIM OF THE STUDY Current findings highlight that the activation of the hypoxia inducible factor (HIF) pathway can facilitate the repair of intestinal epithelium barrier. This study is to investigate the protective effects of QCWZD and its HIF-targeted ingredients on hypoxia-dependent intestinal barrier. METHODS The mice model of UC was induced by dextran sulfate sodium (DSS). Disease activity index (DAI) and histopathology scores and colon length were used to measure the severity of colitis. The DAO activity in serum and protein expression of tight junction (TJ) proteins were detected to explore the function of intestinal barrier. The protein levels of HIF-1α and its downstream gene heme oxygenase-1 (HO-1) were measured as well. HIF-targeted active ingredients in QCWZD were selected by network pharmacology and molecular docking. Protective effects of six constituents on HIF-related anti-oxidative and barrier protective pathway were evaluated by lipopolysaccharide (LPS)-induced HT29 and RAW264.7 cells, through the measurement of the production of ROS and mRNA level of pro-inflammatory cytokines. HIF-1α knockdown was carried out to explore the correlation of protection effects with HIF-related pathway of the active ingredients. RESULTS QCWZD effectively alleviated colitis induced by DSS and demonstrated a protective effect on intestinal barrier function by upregulating HIF-related pathways. Six specific ingredients in QCWZD, targeting HIF, successfully reduced the production of cellular ROS and proinflammatory cytokines in LPS-induced cells. It is noteworthy that the barrier protection provided by these molecules is intricately linked with the HIF-related pathway. CONCLUSIONS This study elucidates the HIF-related molecular mechanism of QCWZD in protecting the function of the epithelial barrier. Six compounds targeting the activation of the HIF-dependent pathway were demonstrated to unveil a novel therapeutic approach for managing UC.
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Affiliation(s)
- Meng-Juan Yang
- School of pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Yi-Nuo Zhang
- School of pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Zhi Qiao
- School of pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Rui-Ying Xu
- School of pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Si-Min Chen
- School of pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Po Hu
- School of pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Hong-Li Yu
- School of pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Yang Pan
- School of pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China.
| | - Jing Cao
- School of pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China.
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Chu L, Zhang S, Wu W, Gong Y, Chen Z, Wen Y, Wang Y, Wang L. Grape seed proanthocyanidin extract alleviates inflammation in experimental colitis mice by inhibiting NF-κB signaling pathway. Environ Toxicol 2024; 39:2572-2582. [PMID: 38205677 DOI: 10.1002/tox.24129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 12/07/2023] [Accepted: 12/25/2023] [Indexed: 01/12/2024]
Abstract
Ulcerative colitis (UC) is a complex inflammatory disease of colorectum that induces abnormal immune responses and severely affects the quality of life of the patients. Grape seed proanthocyanidin extract (GSPE) exerts anti-inflammatory and antioxidant functions in many inflammatory diseases. The objective of this study was to investigate the potential therapeutic effects and underlying mechanisms of GSPE in UC using a dextran sodium sulfate (DSS)-induced mouse UC model and a lipopolysaccharide (LPS)-stimulated RAW264.7 macrophage model. In this study, we found that the GSPE markedly prevented DSS-induced weight loss and colon length shortening in UC mice. Further investigations showed that GSPE significantly attenuated the expression of pro-inflammatory cytokines TNF-α, IL-6, and IL-1β, and elevated the expression of anti-inflammatory cytokine IL-10 in the colon tissues and serum of DSS-induced colitis mice by suppressing NF-κB signaling pathway. Furthermore, LPS-induced inflammation in RAW264.7 cells was also reversed by GSPE. Taken together, our results confirm that GSPE can ameliorate inflammatory response in experimental colitis via inhibiting NF-κB signaling pathway. This study advances the research progress on a potentially effective therapeutic strategy for inflammatory bowel diseases.
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Affiliation(s)
- Lei Chu
- Clinical Laboratory, The People's Hospital of Danyang & Affiliated Danyang Hospital of Nantong University, Danyang, China
| | - Shaoru Zhang
- Clinical Laboratory, The People's Hospital of Danyang & Affiliated Danyang Hospital of Nantong University, Danyang, China
- State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, China
| | - Weidong Wu
- Clinical Laboratory, The People's Hospital of Danyang & Affiliated Danyang Hospital of Nantong University, Danyang, China
| | - Yuqing Gong
- State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, China
| | - Zhenshi Chen
- Clinical Laboratory, The People's Hospital of Danyang & Affiliated Danyang Hospital of Nantong University, Danyang, China
| | - Yanting Wen
- State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, China
| | - Yong Wang
- State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, China
| | - Lihui Wang
- State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, China
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Yang J, Lin J, Zhang W, Shen M, Wang Y, Xie J. Resveratrol-loaded pH-responsive Mesona chinensis polysaccharides-zein nanoparticles for effective treatment of ulcerative colitis. J Sci Food Agric 2024; 104:3992-4003. [PMID: 38323719 DOI: 10.1002/jsfa.13282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/09/2023] [Accepted: 01/08/2024] [Indexed: 02/08/2024]
Abstract
BACKGROUND Resveratrol (Res) is promising food functional factor with favorable antioxidant and anti-inflammatory properties, although its poor water solubility and low bioavailability limit extensive application. Therefore, in combination with another promising polysaccharide (Mesona chinensis polysaccharides, MCP), Res-loaded food nanocarriers (ResNPs) were developed to increase its water solubility, bioactivity and targeting properties. ResNPs were then applied to alleviate dextran sulfate sodium (DSS)-induced ulcerative colitis. RESULTS Resveratrol can be well encapsulated in MCP-based nanoparticles in an amorphous state, improving its water solubility. ResNPs showed pH-response controlled release behavior in the gastrointestinal tract and increased the enrichment of Res in the colon. In vivo experiments of ResNPs against DSS-induced ulcerative colitis (UC) revealed that ResNPs significantly improved UC symptoms, modulated intestinal inflammation and down-regulated oxidative stress levels compared to free Res. ResNPs also play an positive role with respect to inhibiting the mitogen-activated protein kinase pathway and promoting the expression of tight junction proteins. In addition, ResNPs improved the species composition and relative abundance of intestinal flora in UC mice, which effectively regulated the balance of intestinal flora and promoted the production of short-chain fatty acids. CONCLUSION These results suggest that MCP-based nanoparticles can effectively improve the solubility of resveratrol and enhance its in vivo bioactivity. Moreover, the present study also provides a new strategy for the prevention and treatment of UC with food polyphenol. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Jun Yang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
| | - Jieqiong Lin
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
| | - Weidong Zhang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
| | - Mingyue Shen
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
| | - Yuanxing Wang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
| | - Jianhua Xie
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
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10
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Li Q, Li J, Yin L, Huang J, Liu X, Shi J, Geng Z, Song X, Wang L, Wang Y, Zhang X, Zuo L, Hu J. Sophoricoside improved Crohn's disease-like colitis by inhibiting intestinal epithelial cell apoptosis through PI3K/AKT signaling. Int Immunopharmacol 2024; 131:111886. [PMID: 38493691 DOI: 10.1016/j.intimp.2024.111886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 03/05/2024] [Accepted: 03/13/2024] [Indexed: 03/19/2024]
Abstract
BACKGROUND AND AIMS Increased apoptosis of intestinal epithelial cells (IECs) is a significant cause of intestinal barrier dysfunction in Crohn's disease (CD). Sophoricoside (SOP) is an isoflavone glycoside known for its anti-apoptotic properties. The aim of this study was to investigate the effects of SOP on mice with CD-like colitis and to understand the underlying mechanisms. METHODS Mice treated with 2,4,6-trinitrobenzene sulfonic acid (TNBS) were used to examine the therapeutic effect of SOP on CD-like colitis and intestinal barrier damage. To further explore SOP's impact on IECs apoptosis and intestinal barrier protection, an in vitro colonic organoid apoptosis model induced by TNF-α was utilized. Network pharmacology was employed to predict the relevant pathways and molecular processes associated with SOP in the treatment of CD. RESULTS Treatment with SOP significantly improved colitis symptoms in TNBS mice, as demonstrated by reductions in the Disease Activity Index (DAI), weight loss, colon shortening, macroscopic scores, colonic tissue inflammatory scores, and the expression of pro-inflammatory factors. Our experiments confirmed that SOP protects the intestinal barrier by counteracting IECs apoptosis. Additionally, this study established that SOP reduced IECs apoptosis by inhibiting the PI3K/AKT signaling pathway. CONCLUSIONS SOP can reduce IECs apoptosis through the inhibition of the PI3K/AKT signaling pathway, thereby protecting the intestinal barrier. This study is the first to illustrate how SOP ameliorates colitis and protects the intestinal barrier, suggesting SOP has potential clinical application in treating CD.
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Affiliation(s)
- Qingqing Li
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China; School of Laboratory Medicine, Bengbu Medical University, Bengbu, Anhui, China
| | - Jing Li
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China; Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China; Inflammatory Bowel Disease Research Center, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Lixia Yin
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China; School of Laboratory Medicine, Bengbu Medical University, Bengbu, Anhui, China
| | - Ju Huang
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China; School of Laboratory Medicine, Bengbu Medical University, Bengbu, Anhui, China
| | - Xinyue Liu
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China
| | - Jinran Shi
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China
| | - Zhijun Geng
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China; Inflammatory Bowel Disease Research Center, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China; Department of Central Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Xue Song
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China; Inflammatory Bowel Disease Research Center, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China; Department of Central Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Lian Wang
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China; Inflammatory Bowel Disease Research Center, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China; Department of Gastrointestinal Surgery, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Yueyue Wang
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China; Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China; Inflammatory Bowel Disease Research Center, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Xiaofeng Zhang
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China; Inflammatory Bowel Disease Research Center, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China; Department of Central Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Lugen Zuo
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China; Inflammatory Bowel Disease Research Center, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China; Department of Gastrointestinal Surgery, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Jianguo Hu
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China; Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China; Inflammatory Bowel Disease Research Center, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China.
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11
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Huang Y, Chen X, Liu X, Lin C, Wang Y. The coumarin component isofraxidin targets the G-protein-coupled receptor S1PR1 to modulate IL-17 signaling and alleviate ulcerative colitis. Int Immunopharmacol 2024; 131:111814. [PMID: 38479159 DOI: 10.1016/j.intimp.2024.111814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 02/07/2024] [Accepted: 03/05/2024] [Indexed: 04/10/2024]
Abstract
OBJECTIVE The increasing global prevalence of ulcerative colitis (UC) underscores the imperative to explore novel therapeutic approaches. Traditional Chinese medicine has historically shown potential in addressing this ailment. The current study aimed to elucidate the functional attributes and underlying mechanisms of isofraxidin, a coumarin derivative from Acanthopanax, in the context of UC. METHODS A murine model of dextran sodium sulfate (DSS)-induced UC was established, and we conducted a comprehensive assessment of the influence of isofraxidin on UC symptomatology, colonic histopathological manifestations, the inflammatory response, and apoptosis. The potential receptor of isofraxidin was initially identified through the Target database and molecular docking analysis. Subsequent in vivo and in vitro experiments were conducted to determine the effects of isofraxidin on the identified receptor and associated signaling pathways. Transfection was used to examine the receptor's role in the regulatory mechanism of isofraxidin. RESULTS Isofraxidin reduced UC symptoms and colonic histopathological impairments. Furthermore, isofraxidin ameliorated the DSS-induced inflammatory response and apoptosis in tissues. S1PR1 was identified as a target of isofraxidin and effectively suppressed activation of the IL-17 signaling pathway. Intriguingly, cellular experiments indicated that overexpression of S1PR1 counteracted the protective effect of isofraxidin. DISCUSSION In summary, our investigation revealed that isofraxidin could modulate S1PR1 and regulate the IL-17 signaling pathway, thus ameliorating DSS-induced UC. These findings establish a robust foundation for considering isofraxidin as a prospective therapeutic intervention to treat UC.
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Affiliation(s)
- Yisen Huang
- Department of Gastroenterology, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, China
| | - Xiangbo Chen
- Digestive Endoscopy Center, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, China
| | - Xiaoqiang Liu
- Department of Gastroenterology, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, China
| | - Chanchan Lin
- Department of Gastroenterology, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, China
| | - Yubin Wang
- Department of Gastroenterology, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, China.
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12
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Zhang L, Li G, Lin B, He H, Zhou R, Jiang W. Ascorbyl palmitate ameliorates inflammatory diseases by inhibition of NLRP3 inflammasome. Int Immunopharmacol 2024; 131:111915. [PMID: 38522141 DOI: 10.1016/j.intimp.2024.111915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/20/2024] [Accepted: 03/20/2024] [Indexed: 03/26/2024]
Abstract
The aberrant activation of NLRP3 inflammasome contributes to pathogenesis of multiple inflammation-driven human diseases. However, the medications targeting NLRP3 inflammasome are not approved for clinic use to date. Here, we show that ascorbyl palmitate (AP), a lipophilic derivative of ascorbic acid (AA) and a safe food additive, is a potent inhibitor of NLRP3 inflammasome. Compared with AA, AP inhibited the activation of NLRP3 inflammasome with increased potency and specificity. Mechanistically, AP directly scavenged mitochondrial reactive oxygen species (mitoROS) by its antioxidant activity and blocked NLRP3-NEK7 interaction and NLRP3 inflammasome assembly. Moreover, AP showed more significant preventive effects than AA in LPS-induced systemic inflammation, dextran sulfate sodium (DSS)-induced colitis and experimental autoimmune encephalomyelitis (EAE). Thus, our results suggest that AP is a potential therapeutic combating NLRP3-driven diseases.
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Affiliation(s)
- Luchen Zhang
- Department of Geriatrics, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Center for Advanced Interdisciplinary Science and Biomedicine of Institute of Health and Medicine (IHM), University of Science and Technology of China, Hefei, China; Key Laboratory of Immune Response and Immunotherapy, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Guoyang Li
- Department of Geriatrics, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Center for Advanced Interdisciplinary Science and Biomedicine of Institute of Health and Medicine (IHM), University of Science and Technology of China, Hefei, China; Key Laboratory of Immune Response and Immunotherapy, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Bolong Lin
- Department of Geriatrics, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Center for Advanced Interdisciplinary Science and Biomedicine of Institute of Health and Medicine (IHM), University of Science and Technology of China, Hefei, China; Key Laboratory of Immune Response and Immunotherapy, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Hongbin He
- Department of Geriatrics, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Center for Advanced Interdisciplinary Science and Biomedicine of Institute of Health and Medicine (IHM), University of Science and Technology of China, Hefei, China; Key Laboratory of Immune Response and Immunotherapy, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
| | - Rongbin Zhou
- Key Laboratory of Immune Response and Immunotherapy, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
| | - Wei Jiang
- Department of Geriatrics, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Center for Advanced Interdisciplinary Science and Biomedicine of Institute of Health and Medicine (IHM), University of Science and Technology of China, Hefei, China; Key Laboratory of Immune Response and Immunotherapy, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
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13
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He JY, Kim YJ, Mennillo E, Rusu I, Bain J, Rao AA, Andersen C, Law K, Yang H, Tsui J, Shen A, Davidson B, Kushnoor D, Shi Y, Fan F, Cheung A, Zhang L, Fong L, Combes AJ, Pisco AO, Kattah MG, Oh DY. Dysregulation of CD4 + and CD8 + resident memory T, myeloid, and stromal cells in steroid-experienced, checkpoint inhibitor colitis. J Immunother Cancer 2024; 12:e008628. [PMID: 38642938 DOI: 10.1136/jitc-2023-008628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/20/2024] [Indexed: 04/22/2024] Open
Abstract
BACKGROUND Colitis caused by checkpoint inhibitors (CPI) is frequent and is treated with empiric steroids, but CPI colitis mechanisms in steroid-experienced or refractory disease are unclear. METHODS Using colon biopsies and blood from predominantly steroid-experienced CPI colitis patients, we performed multiplexed single-cell transcriptomics and proteomics to nominate contributing populations. RESULTS CPI colitis biopsies showed enrichment of CD4+resident memory (RM) T cells in addition to CD8+ RM and cytotoxic CD8+ T cells. Matching T cell receptor (TCR) clonotypes suggested that both RMs are progenitors that yield cytotoxic effectors. Activated, CD38+ HLA-DR+ CD4+ RM and cytotoxic CD8+ T cells were enriched in steroid-experienced and a validation data set of steroid-naïve CPI colitis, underscoring their pathogenic potential across steroid exposure. Distinct from ulcerative colitis, CPI colitis exhibited perturbed stromal metabolism (NAD+, tryptophan) impacting epithelial survival and inflammation. Endothelial cells in CPI colitis after anti-TNF and anti-cytotoxic T-lymphocyte-associated antigen 4 (anti-CTLA-4) upregulated the integrin α4β7 ligand molecular vascular addressin cell adhesion molecule 1 (MAdCAM-1), which may preferentially respond to vedolizumab (anti-α4β7). CONCLUSIONS These findings nominate CD4+ RM and MAdCAM-1+ endothelial cells for targeting in specific subsets of CPI colitis patients.
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Affiliation(s)
- Jun Yan He
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Yang-Joon Kim
- Chan Zuckerberg Biohub, San Francisco, California, USA
| | - Elvira Mennillo
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Iulia Rusu
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Jared Bain
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Arjun A Rao
- CoLabs, University of California, San Francisco, San Francisco, California, USA
| | | | - Karen Law
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Hai Yang
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Jessica Tsui
- CoLabs, University of California, San Francisco, San Francisco, California, USA
| | - Alan Shen
- CoLabs, University of California, San Francisco, San Francisco, California, USA
| | - Brittany Davidson
- CoLabs, University of California, San Francisco, San Francisco, California, USA
| | - Divyashree Kushnoor
- CoLabs, University of California, San Francisco, San Francisco, California, USA
| | - Yimin Shi
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Frances Fan
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Alexander Cheung
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Li Zhang
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Lawrence Fong
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Alexis J Combes
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
- CoLabs, University of California, San Francisco, San Francisco, California, USA
- Department of Pathology, University of California, San Francisco, San Francisco, California, USA
- ImmunoX Initiative, University of California, San Francisco, San Francisco, California, USA
| | | | - Michael G Kattah
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - David Y Oh
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
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Zhao T, Liu S, Ma X, Shuai Y, He H, Guo T, Huang W, Wang Q, Liu S, Wang Z, Gong G, Huang L. Lycium barbarum arabinogalactan alleviates intestinal mucosal damage in mice by restoring intestinal microbes and mucin O-glycans. Carbohydr Polym 2024; 330:121882. [PMID: 38368089 DOI: 10.1016/j.carbpol.2024.121882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 02/19/2024]
Abstract
Structurally defined arabinogalactan (LBP-3) from Lycium barbarum have effect on improving intestinal barrier function. However, whether its intestinal barrier function depended on the changes of intestinal mucin O-glycans have not been investigated. A dextran sodium sulfate-induced acute colitis mouse model was employed to test prevention and treatment with LBP-3. The intestinal microbiota as well as colonic mucin O-glycan profiles were analyzed. Supplementation with LBP-3 inhibited harmful bacteria, including Desulfovibrionaceae, Enterobacteriaceae, and Helicobacteraceae while significantly increased the abundance of beneficial bacteria (e.g., Lachnospiraceae, Ruminococcaceae, and Lactobacillaceae). Notably, LBP-3 augmented the content of neutral O-glycans by stimulating the fucosylation glycoforms (F1H1N2 and F1H2N2), short-chain sulfated O-glycans (S1F1H1N2, S1H1N2, and S1H2N3), and sialylated medium- and long-chain O-glycans (F1H2N2A1, H2N3A1, and F1H3N2A1). In summary, we report that supplement LBP-3 significantly reduced pathological symptoms, restored the bacterial community, and promoted the expression of O-glycans to successfully prevent and alleviate colitis in a mouse model, especially in the LBP-3 prevention testing group. The underlying mechanism of action was investigated using glycomics to better clarify which the structurally defined LBP-3 were responsible for its beneficial effect against ulcerative colitis and assess its use as a functional food or pharmaceutical supplement.
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Affiliation(s)
- Tong Zhao
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Sining Liu
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Xiaoran Ma
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Yutong Shuai
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Houde He
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Tongyi Guo
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Wenqi Huang
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Qian Wang
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Shan Liu
- Tianren Goji Biotechnology Co., Ltd, Ningxia, China
| | - Zhongfu Wang
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Guiping Gong
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China.
| | - Linjuan Huang
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China.
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Broering MF, Oseliero Filho PL, Borges PP, da Silva LCC, Knirsch MC, Xavier LF, Scharf P, Sandri S, Stephano MA, de Oliveira FA, Sayed IM, Gamarra LF, Das S, Fantini MCA, Farsky SHP. Development of Ac2-26 Mesoporous Microparticle System as a Potential Therapeutic Agent for Inflammatory Bowel Diseases. Int J Nanomedicine 2024; 19:3537-3554. [PMID: 38638365 PMCID: PMC11024051 DOI: 10.2147/ijn.s451589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 03/29/2024] [Indexed: 04/20/2024] Open
Abstract
Introduction Inflammatory bowel diseases (IBDs) disrupt the intestinal epithelium, leading to severe chronic inflammation. Current therapies cause adverse effects and are expensive, invasive, and ineffective for most patients. Annexin A1 (AnxA1) is a pivotal endogenous anti-inflammatory and tissue repair protein in IBD. Nanostructured compounds loading AnxA1 or its active N-terminal mimetic peptides improve IBD symptomatology. Methods To further explore their potential as a therapeutic candidate, the AnxA1 N-terminal mimetic peptide Ac2-26 was incorporated into SBA-15 ordered mesoporous silica and covered with EL30D-55 to deliver it by oral treatment into the inflamed gut. Results The systems SBA-Ac2-26 developed measurements revealed self-assembled rod-shaped particles, likely on the external surface of SBA-15, and 88% of peptide incorporation. SBA-15 carried the peptide Ac2-26 into cultured Raw 264.7 macrophages and Caco-2 epithelial cells. Moreover, oral administration of Eudragit-SBA-15-Ac2-26 (200 μg; once a day; for 4 days) reduced colitis clinical symptoms, inflammation, and improved epithelium recovery in mice under dextran-sodium sulfate-induced colitis. Discussion The absorption of SBA-15 in gut epithelial cells is typically low; however, the permeable inflamed barrier can enable microparticles to cross, being phagocyted by macrophages. These findings suggest that Ac2-26 is successfully delivered and binds to its receptors in both epithelial and immune cells, aligning with the clinical results. Conclusion Our findings demonstrate a simple and cost-effective approach to delivering Ac2-26 orally into the inflamed gut, highlighting its potential as non-invasive IBD therapy.
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Affiliation(s)
- Milena Fronza Broering
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
- Department of Biomedical and Nutritional Sciences, University of Massachusetts, Lowell, MA, USA
| | - Pedro Leonidas Oseliero Filho
- Department of Applied Physics, Physics Institute, University of Sao Paulo, São Paulo, Brazil
- Materials Innovation Factory, University of Liverpool, Liverpool, MSY, UK
| | - Pâmela Pacassa Borges
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | | | - Marcos Camargo Knirsch
- Department of Biochemical and Pharmaceutical Technology, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Luana Filippi Xavier
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Pablo Scharf
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Silvana Sandri
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Marco Antonio Stephano
- Department of Biochemical and Pharmaceutical Technology, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Fernando Anselmo de Oliveira
- Instituto do Cérebro, Instituto Israelita de Ensino e Pesquisa, Sociedade Beneficente Israelita Brasileira Hospital Albert Einstein, São Paulo, SP, Brazil
| | - Ibrahim M Sayed
- Department of Biomedical and Nutritional Sciences, University of Massachusetts, Lowell, MA, USA
| | - Lionel Fernel Gamarra
- Instituto do Cérebro, Instituto Israelita de Ensino e Pesquisa, Sociedade Beneficente Israelita Brasileira Hospital Albert Einstein, São Paulo, SP, Brazil
| | - Soumita Das
- Department of Biomedical and Nutritional Sciences, University of Massachusetts, Lowell, MA, USA
| | - Márcia C A Fantini
- Department of Applied Physics, Physics Institute, University of Sao Paulo, São Paulo, Brazil
| | - Sandra H P Farsky
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
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16
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Yang F, Su Y, Yan C, Chen T, Cheung PCK. Attenuation of inflammatory bowel disease by oral administration of mucoadhesive polydopamine-coated yeast β-glucan via ROS scavenging and gut microbiota regulation. J Nanobiotechnology 2024; 22:166. [PMID: 38610032 PMCID: PMC11010398 DOI: 10.1186/s12951-024-02434-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 03/22/2024] [Indexed: 04/14/2024] Open
Abstract
Treatment for inflammatory bowel disease (IBD) is challenging since current anti-inflammatory and immunosuppressive therapies do not address the underlying causes of the illness, which include increased levels of reactive oxygen species (ROS) and dysbiosis of the gut commensal microbiota. Additionally, these treatments often have systemic off-target effects and adverse side effects. In this study, we have developed a prebiotic yeast β-glucan nanocomplex coated with bio-adhesive polydopamine (YBNs@PDA) to effectively prolong their retention time in the gastrointestinal (GI) tract. The oral administration of YBNs@PDA restored the epithelium barriers, reduced ROS levels, and minimized systemic drug exposure while improved therapeutic efficacy in an acute colitis mouse model. Furthermore, 16S ribosomal RNA genes sequencing demonstrated a higher richness and diversity in gut microflora composition following the treatments. In particular, YBNs@PDA markedly augmented the abundance of Lachnospiraceae NK4A136 and Bifidobacterium, both of which are probiotics with crucial roles in relieving colitis via retaining gut homeostasis. Cumulatively, these results demonstrate that the potential of YBNs@PDA as a novel drug-free, ROS-scavenging and gut microbiota regulation nanoplatform for the treatment of GI disorders.
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Affiliation(s)
- Fan Yang
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Yuting Su
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Chi Yan
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Tianfeng Chen
- College of Chemistry and Materials Science, Jinan University, Guangzhou, China
| | - Peter Chi Keung Cheung
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
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17
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Lee HR, Jeong YJ, Park SA, Kim HJ, Heo TH. Geraniin Alleviates Inflammation in Caco-2 Cells and Dextran Sulfate Sodium-Induced Colitis Mice by Targeting IL-1β. J Agric Food Chem 2024; 72:7882-7893. [PMID: 38530797 DOI: 10.1021/acs.jafc.3c09396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
IL-1β is an important cytokine implicated in the progression of inflammatory bowel disease (IBD) and intestinal barrier dysfunction. The polyphenolic compound, geraniin, possesses bioactive properties, such as antitumor, antioxidant, anti-inflammatory, antihypertensive, and antiviral activities; however, its IL-1β-targeted anticolitis activity remains unclear. Here, we evaluated the inhibitory effect of geraniin in IL-1β-stimulated Caco-2 cells and a dextran sulfate sodium (DSS)-induced colitis mouse model. Geraniin blocked the interaction between IL-1β and IL-1R by directly binding to IL-1β and inhibited the IL-1β activity. It suppressed IL-1β-induced intestinal tight junction damage in human Caco-2 cells by inhibiting IL-1β-mediated MAPK, NF-kB, and MLC activation. Moreover, geraniin administration effectively reduced colitis symptoms and attenuated intestinal barrier injury in mice by suppressing elevated intestinal permeability and restoring tight junction protein expression through the inhibition of MAPK, NF-kB, and MLC activation. Thus, geraniin exhibits anti-IL-1β activity and anticolitis effect by hindering the IL-1β and IL-1R interaction and may be a promising therapeutic anti-IL-1β agent for IBD treatment.
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Affiliation(s)
- Hae-Ri Lee
- Laboratory of Pharmaco-Immunology, Integrated Research Institute of Pharmaceutical Sciences, BK21 PLUS Team for Creative Leader Program for Pharmacomics-Based Future Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Young-Jin Jeong
- Laboratory of Pharmaco-Immunology, Integrated Research Institute of Pharmaceutical Sciences, BK21 PLUS Team for Creative Leader Program for Pharmacomics-Based Future Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Sun-Ae Park
- Laboratory of Pharmaco-Immunology, Integrated Research Institute of Pharmaceutical Sciences, BK21 PLUS Team for Creative Leader Program for Pharmacomics-Based Future Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Hee Jung Kim
- Laboratory of Pharmaco-Immunology, Integrated Research Institute of Pharmaceutical Sciences, BK21 PLUS Team for Creative Leader Program for Pharmacomics-Based Future Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Tae-Hwe Heo
- Laboratory of Pharmaco-Immunology, Integrated Research Institute of Pharmaceutical Sciences, BK21 PLUS Team for Creative Leader Program for Pharmacomics-Based Future Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea
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18
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Gaur P, Rajendran Y, Srivastava B, Markandey M, Fishbain-Yoskovitz V, Mohapatra G, Suhail A, Chaudhary S, Tyagi S, Yadav SC, Pandey AK, Merbl Y, Bajaj A, Ahuja V, Srikanth C. Rab7-dependent regulation of goblet cell protein CLCA1 modulates gastrointestinal homeostasis. eLife 2024; 12:RP89776. [PMID: 38593125 PMCID: PMC11003743 DOI: 10.7554/elife.89776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024] Open
Abstract
Inflammation in ulcerative colitis is typically restricted to the mucosal layer of distal gut. Disrupted mucus barrier, coupled with microbial dysbiosis, has been reported to occur prior to the onset of inflammation. Here, we show the involvement of vesicular trafficking protein Rab7 in regulating the colonic mucus system. We identified a lowered Rab7 expression in goblet cells of colon during human and murine colitis. In vivo Rab7 knocked down mice (Rab7KD) displayed a compromised mucus layer, increased microbial permeability, and depleted gut microbiota with enhanced susceptibility to dextran sodium-sulfate induced colitis. These abnormalities emerged owing to altered mucus composition, as revealed by mucus proteomics, with increased expression of mucin protease chloride channel accessory 1 (CLCA1). Mechanistically, Rab7 maintained optimal CLCA1 levels by controlling its lysosomal degradation, a process that was dysregulated during colitis. Overall, our work establishes a role for Rab7-dependent control of CLCA1 secretion required for maintaining mucosal homeostasis.
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Affiliation(s)
- Preksha Gaur
- Laboratory of Gut Inflammation and Infection Biology, Regional Centre for BiotechnologyFaridabadIndia
| | - Yesheswini Rajendran
- Laboratory of Gut Inflammation and Infection Biology, Regional Centre for BiotechnologyFaridabadIndia
| | | | - Manasvini Markandey
- Department of Gastroenterology, All India Institute of Medical SciencesDelhiIndia
| | | | | | - Aamir Suhail
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women’s Hospital, Massachusetts General Hospital and Harvard Medical SchoolBostonUnited States
| | - Shikha Chaudhary
- Department of Anatomy, All India Institute of Medical SciencesNew DelhiIndia
| | - Shaifali Tyagi
- Vaccine and Infectious Disease Research Center, Translational Health Science and Technology InstituteFaridabadIndia
| | | | - Amit Kumar Pandey
- Vaccine and Infectious Disease Research Center, Translational Health Science and Technology InstituteFaridabadIndia
| | - Yifat Merbl
- Department of Immunology, Weizmann Institute of ScienceRehovotIsrael
| | - Avinash Bajaj
- Laboratory of Gut Inflammation and Infection Biology, Regional Centre for BiotechnologyFaridabadIndia
| | - Vineet Ahuja
- Department of Gastroenterology, All India Institute of Medical SciencesDelhiIndia
| | - Chittur Srikanth
- Laboratory of Gut Inflammation and Infection Biology, Regional Centre for BiotechnologyFaridabadIndia
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19
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Mujagic Z. [How psychological stress aggravates intestinal inflammation]. Ned Tijdschr Geneeskd 2024; 168:D8031. [PMID: 38601980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
OBJECTIVE To investigate the biological mechanisms underlying the associations of psychological stress and intestinal inflammation in inflammatory bowel disease (IBD). DESIGN Experimental mouse models and large human cohorts have been used. METHOD Consecutive mouse models with chemically induced colitis were used to investigate biological pathways though which psychological stress leads to gut inflammation. These results were validated in three human cohorts with patients with IBD. RESULTS Stress induced elevated levels of glucocorticoids drive the generation of an inflammatory subset of enteric glia cells. These enteric glia cells produce the protein CSF1, that promotes monocyte accumulation in the intestinal mucosa and TNF-mediated intestinal inflammation. CONCLUSION A pivotal role for the enteric nervous system (ENS) has been discovered in mediating the aggravating effect of psychological stress on intestinal inflammation.
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Affiliation(s)
- Zlatan Mujagic
- Maastricht UMC+, afd. Maag-Darm-Leverziekten, Maastricht
- Contact:
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20
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Shimshoni E, Solomonov I, Sagi I, Ghini V. Integrated Metabolomics and Proteomics of Symptomatic and Early Presymptomatic States of Colitis. J Proteome Res 2024; 23:1420-1432. [PMID: 38497760 DOI: 10.1021/acs.jproteome.3c00860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Colitis has a multifactorial pathogenesis with a strong cross-talk among microbiota, hypoxia, and tissue metabolism. Here, we aimed to characterize the molecular signature of the disease in symptomatic and presymptomatic stages of the inflammatory process at the tissue and fecal level. The study is based on two different murine models for colitis, and HR-MAS NMR on "intact" colon tissues and LC-MS/MS on colon tissue extracts were used to derive untargeted metabolomics and proteomics information, respectively. Solution NMR was used to derive metabolomic profiles of the fecal extracts. By combining metabolomic and proteomic analyses of the tissues, we found increased anaerobic glycolysis, accompanied by an altered citric acid cycle and oxidative phosphorylation in inflamed colons; these changes associate with inflammation-induced hypoxia taking place in colon tissues. Different colitis states were also characterized by significantly different metabolomic profiles of fecal extracts, attributable to both the dysbiosis characteristic of colitis as well as the dysregulated tissue metabolism. Strong and distinctive tissue and fecal metabolomic signatures can be detected before the onset of symptoms. Therefore, untargeted metabolomics of tissues and fecal extracts provides a comprehensive picture of the changes accompanying the disease onset already at preclinical stages, highlighting the diagnostic potential of global metabolomics for inflammatory diseases.
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Affiliation(s)
- Elee Shimshoni
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Inna Solomonov
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Irit Sagi
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Veronica Ghini
- Department of Chemistry, University of Florence, Sesto Fiorentino, Florence 50019, Italy
- Center of Magnetic Resonance (CERM), University of Florence, Sesto Fiorentino, Florence 50019, Italy
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21
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Lee HS, Kim JM, Lee HL, Go MJ, Lee DY, Kim CW, Kim HJ, Heo HJ. Eucommia ulmoides Leaves Alleviate Cognitive Dysfunction in Dextran Sulfate Sodium (DSS)-Induced Colitis Mice through Regulating JNK/TLR4 Signaling Pathway. Int J Mol Sci 2024; 25:4063. [PMID: 38612870 PMCID: PMC11012925 DOI: 10.3390/ijms25074063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/03/2024] [Accepted: 04/03/2024] [Indexed: 04/14/2024] Open
Abstract
Ulcerative colitis (UC) is one of the inflammatory bowel diseases (IBD) that is characterized by systemic immune system activation. This study was performed to assess the alleviative effect of administering an aqueous extract of Eucommia ulmoides leaves (AEEL) on cognitive dysfunction in mice with dextran sulfate sodium (DSS)-induced colitis. The major bioactive compounds of AEEL were identified as a quinic acid derivative, caffeic acid-O-hexoside, and 3-O-caffeoylquinic acid using UPLC Q-TOF/MSE. AEEL administration alleviated colitis symptoms, which are bodyweight change and colon shortening. Moreover, AEEL administration protected intestinal barrier integrity by increasing the tight junction protein expression levels in colon tissues. Likewise, AEEL improved behavioral dysfunction in the Y-maze, passive avoidance, and Morris water maze tests. Additionally, AEEL improved short-chain fatty acid (SCFA) content in the feces of DSS-induced mice. In addition, AEEL improved damaged cholinergic systems in brain tissue and damaged mitochondrial and antioxidant functions in colon and brain tissues caused by DSS. Also, AEEL protected against DSS-induced cytotoxicity and inflammation in colon and brain tissues by c-Jun N-terminal kinase (JNK) and the toll-like receptor 4 (TLR4) signaling pathway. Therefore, these results suggest that AEEL is a natural material that alleviates DSS-induced cognitive dysfunction with the modulation of gut-brain interaction.
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Affiliation(s)
- Han Su Lee
- Division of Applied Life Science (BK21), Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.S.L.); (J.M.K.); (H.L.L.); (M.J.G.); (H.-J.K.)
| | - Jong Min Kim
- Division of Applied Life Science (BK21), Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.S.L.); (J.M.K.); (H.L.L.); (M.J.G.); (H.-J.K.)
| | - Hyo Lim Lee
- Division of Applied Life Science (BK21), Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.S.L.); (J.M.K.); (H.L.L.); (M.J.G.); (H.-J.K.)
| | - Min Ji Go
- Division of Applied Life Science (BK21), Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.S.L.); (J.M.K.); (H.L.L.); (M.J.G.); (H.-J.K.)
| | - Dong Yeol Lee
- Research & Development Team, Gyeongnam Anti-Aging Research Institute, Sancheong 52215, Republic of Korea;
| | - Chul-Woo Kim
- Division of special Forest Resources, Department of Forest Bio-Resources, National Institute of Forest Science, Seoul 02455, Republic of Korea;
| | - Hyun-Jin Kim
- Division of Applied Life Science (BK21), Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.S.L.); (J.M.K.); (H.L.L.); (M.J.G.); (H.-J.K.)
| | - Ho Jin Heo
- Division of Applied Life Science (BK21), Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.S.L.); (J.M.K.); (H.L.L.); (M.J.G.); (H.-J.K.)
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22
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Wang H, Sun Y, Ma X, Yang T, Wang F. The Lactobacillus plantarum P-8 Probiotic Microcapsule Prevents DSS-Induced Colitis through Improving Intestinal Integrity and Reducing Colonic Inflammation in Mice. Nutrients 2024; 16:1055. [PMID: 38613088 PMCID: PMC11013935 DOI: 10.3390/nu16071055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 03/29/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
Probiotics, recognized as beneficial and active microorganisms, often face challenges in maintaining their functionality under harsh conditions such as exposure to stomach acid and bile salts. In this investigation, we developed probiotic microcapsules and assessed their protective effects and underlying mechanisms in a murine model of dextran sulfate sodium (DSS)-induced colitis using male C57BL/6J mice. The administration of the probiotic microcapsules significantly mitigated body weight loss, prevented colon length shortening, decreased the disease activity index scores, and reduced histopathological scores in mice with DSS-induced colitis. Concurrently, the microencapsulated probiotics preserved intestinal barrier integrity by upregulating the expressions of tight junction proteins ZO-1 and occludin, as well as the mucus layer component MUC-2. Moreover, the treatment with probiotic microcapsules suppressed the activation of the NLRP3 inflammasome signaling pathway in the context of DSS-induced colitis. In conclusion, these findings support the utilization of probiotic microcapsules as a potential functional food ingredient to maintain the permeability of the intestinal barrier and alleviate colonic inflammation in UC.
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Affiliation(s)
| | | | | | | | - Feng Wang
- Department of Food Science, School of Biochemical Engineering, Beijing Union University, Beijing100023, China; (H.W.); (Y.S.); (X.M.); (T.Y.)
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Xie L, Chen T, Li H, Xiao J, Wang L, Kim SK, Huang Z, Xie J. An Exopolysaccharide from Genistein-Stimulated Monascus Purpureus: Structural Characterization and Protective Effects against DSS-Induced Intestinal Barrier Injury Associated with the Gut Microbiota-Modulated Short-Chain Fatty Acid-TLR4/MAPK/NF-κB Cascade Response. J Agric Food Chem 2024; 72:7476-7496. [PMID: 38511260 DOI: 10.1021/acs.jafc.3c09290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Inflammatory bowel disease is a major health problem that can lead to prolonged damage to the digestive system. This study investigated the effects of an exopolysaccharide from genistein-stimulated Monascus purpureus (G-EMP) in a mouse model of colitis to clarify its molecular mechanisms and identified its structures. G-EMP (Mw = 56.4 kDa) was primarily consisted of → 4)-α-D-Galp-(1 →, → 2,6)-α-D-Glcp-(1→ and →2)-β-D-Manp-(1 → , with one of the branches being α-D-Manp-(1 →. G-EMP intervention reduced the loss of body weight, degree of colonic damage and shortening, disease activity index scores, and histopathology scores, while restoring goblet cell production and oxidative homeostasis, repairing colonic functions, and regulating inflammatory cytokines. RNA sequencing and Western blot analysis indicated that G-EMP exerts anti-inflammatory properties by suppressing the TLR4/MAPK/NF-κB inflammatory signaling pathway. G-EMP modulated the gut microbiota by improving its diversities, elevating the relative abundances of beneficial bacteria, declining the Firmicutes/Bacteroidota value, and regulating the level of short-chain fatty acids (SCFAs). Correlation analysis demonstrated strong links between SCFAs, gut microbiota, and the inflammatory response, indicating the potential of G-EMP to prevent colitis.
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Affiliation(s)
- Liuming Xie
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
- Sino-German Joint Research Institute, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
- Department of Animal Science and Technology, Konkuk University, Seoul 05029, Republic of Korea
| | - Ting Chen
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Hong Li
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
- Sino-German Joint Research Institute, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Jindan Xiao
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Linchun Wang
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
- Sino-German Joint Research Institute, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Soo-Ki Kim
- Department of Animal Science and Technology, Konkuk University, Seoul 05029, Republic of Korea
| | - Zhibing Huang
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
- Sino-German Joint Research Institute, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Jianhua Xie
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
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24
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Liu M, Zhang Y, Liu J, Xiang C, Lu Q, Lu H, Yang T, Wang X, Zhang Q, Fan C, Feng C, Zou D, Li H, Tang W. Revisiting the Role of Valeric Acid in Manipulating Ulcerative Colitis. Inflamm Bowel Dis 2024; 30:617-628. [PMID: 38206334 DOI: 10.1093/ibd/izad187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Indexed: 01/12/2024]
Abstract
BACKGROUND Ulcerative colitis (UC) is characterized by a complicated interaction between mucosal inflammation, epithelial dysfunction, abnormal activation of innate immune responses, and gut microbiota dysbiosis. Though valeric acid (VA), one type of short-chain fatty acids (SCFAs), has been identified in other inflammatory disorders and cancer development, the pathological role of VA and underlying mechanism of VA in UC remain under further investigation. METHODS Studies of human clinical specimens and experimental colitis models were conducted to confirm the pathological manifestations of the level of SCFAs from human fecal samples and murine colonic homogenates. Valeric acid-intervened murine colitis and a macrophage adoptive transfer were applied to identify the underlying mechanisms. RESULTS In line with gut microbiota dysfunction in UC, alteration of SCFAs from gut microbes were identified in human UC patients and dextran sodium sulfate -induced murine colitis models. Notably, VA was consistently negatively related to the disease severity of UC, the population of monocytes, and the level of interluekin-6. Moreover, VA treatment showed direct suppressive effects on lipopolysaccharides (LPS)-activated human peripheral blood mononuclear cells and murine macrophages in the dependent manner of upregulation of GPR41 and GPR43. Therapeutically, replenishment of VA or adoptive transfer with VA-modulated macrophages showed resistance to dextran sodium sulfate-driven murine colitis though modulating the production of inflammatory cytokine interleukin-6. CONCLUSIONS In summary, the research uncovered the pathological role of VA in modulating the activation of macrophages in UC and suggested that VA might be a potential effective agent for UC patients.
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Affiliation(s)
- Moting Liu
- Laboratory of Anti-inflammation and Immunopharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School of Pharmacy, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yao Zhang
- Department of Gastroenterology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jia Liu
- Institutional Technology Service Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Caigui Xiang
- Laboratory of Anti-inflammation and Immunopharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School of Pharmacy, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qiukai Lu
- Laboratory of Anti-inflammation and Immunopharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School of Pharmacy, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huimin Lu
- Laboratory of Anti-inflammation and Immunopharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School of Pharmacy, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tao Yang
- Laboratory of Anti-inflammation and Immunopharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School of Pharmacy, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaohan Wang
- Laboratory of Anti-inflammation and Immunopharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School of Pharmacy, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qingli Zhang
- Institutional Technology Service Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Chen Fan
- Laboratory of Anti-inflammation and Immunopharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Chunlan Feng
- Laboratory of Anti-inflammation and Immunopharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Duowu Zou
- Department of Gastroenterology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Heng Li
- Laboratory of Anti-inflammation and Immunopharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Wei Tang
- Laboratory of Anti-inflammation and Immunopharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School of Pharmacy, University of Chinese Academy of Sciences, Beijing 100049, China
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25
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Yang C, Yang W, Wang Y, Du Y, Zhao T, Shao H, Ren D, Yang X. Nonextractable Polyphenols from Fu Brick Tea Alleviates Ulcerative Colitis by Controlling Colon Microbiota-Targeted Release to Inhibit Intestinal Inflammation in Mice. J Agric Food Chem 2024; 72:7397-7410. [PMID: 38528736 DOI: 10.1021/acs.jafc.3c06883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
This study was designed to elucidate the colon microbiota-targeted release of nonextractable bound polyphenols (NEPs) derived from Fu brick tea and to further identify the possible anti-inflammatory mechanism in dextran sulfate sodium (DSS)-induced ulcerative colitis (UC) mice. 1.5% DSS drinking water-induced C57BL/6J mice were fed rodent chow supplemented with or without 8% NEPs or dietary fibers (DFs) for 37 days. The bound p-hydroxybenzoic acid and quercetin in NEPs were liberated up to 590.5 ± 70.6 and 470.5 ± 51.6 mg/g by in vitro human gut microbiota-simulated fermentation, and released into the colon of the mice supplemented with NEPs by 4.4- and 1.5-fold higher than that of the mice supplemented without NEPs, respectively (p < 0.05). Supplementation with NEPs also enhanced the colonic microbiota-dependent production of SCFAs in vitro and in vivo (p < 0.05). Interestingly, Ingestion of NEPs in DSS-induced mice altered the gut microbiota composition, reflected by a dramatic increase in the relative abundance of Dubosiella and Enterorhabdus and a decrease in the relative abundance of Alistipes and Romboutsia (p < 0.05). Consumption of NEPs was demonstrated to be more effective in alleviating colonic inflammation and UC symptoms than DFs alone in DSS-treated mice (p < 0.05), in which the protective effects of NEPs against UC were highly correlated with the reconstruction of the gut microbiome, formation of SCFAs, and release of bound polyphenols. These findings suggest that NEPs as macromolecular carriers exhibit targeted delivery of bound polyphenols into the mouse colon to regulate gut microbiota and alleviate inflammation.
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Affiliation(s)
- Chengcheng Yang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China
| | - Wuqi Yang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China
| | - Yu Wang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China
| | - Yao Du
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China
| | - Tong Zhao
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China
| | - Hongjun Shao
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China
| | - Daoyuan Ren
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China
| | - Xingbin Yang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China
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Mo C, Liu R, Yang Z, Ma A. Polysaccharide from Pleurotus tuber-regium mycelium improves DSS-induced colitis in mice by regulating inflammatory cytokines, oxidative stress and gut microbiota. Food Funct 2024; 15:3731-3743. [PMID: 38489162 DOI: 10.1039/d3fo05583c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
Pleurotus tuber-regium (PTR) has been proved to have obvious pharmacological properties. In this study, a polysaccharide was extracted from the mycelium of PTR and administered to DSS-induced colitis mice to clarify the protective effect and mechanism of the PTR polysaccharide (PTRP) on colitis. The results showed that PTRP significantly improved the clinical symptoms and intestinal tissue damage caused by colitis and inhibited the secretion of pro-inflammatory cytokines and myeloperoxidase activity, while the levels of oxidative stress factors in mice decreased and the antioxidant capacity increased. The 16S rRNA sequencing of the mouse cecum content showed that PTRP changed the composition of gut microbiota, and the diversity and abundance of beneficial bacteria increased. In addition, PTRP also enhanced the production of short-chain fatty acids by regulating gut microbiota. In conclusion, our study shows that PTRP has the potential to relieve IBD symptoms and protect intestinal function by regulating inflammatory cytokines, oxidative stress and gut microbiota.
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Affiliation(s)
- Cuiyuan Mo
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Ruofan Liu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Zhenhua Yang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Aimin Ma
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.
- Key laboratory of Agro-Microbial Resources and Utilization, Ministry of Agriculture and Rural Affairs, Wuhan 430070, China
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Sun Y, Lin S, Wang H, Wang L, Qiu Y, Zhang F, Hao N, Wang F, Tan W. Regulatory role of PI16 in autoimmune arthritis and intestinal inflammation: implications for Treg cell differentiation and function. J Transl Med 2024; 22:327. [PMID: 38566233 PMCID: PMC10985956 DOI: 10.1186/s12967-024-05082-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 03/10/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Regulatory T cells (Tregs) are crucial in maintaining immune homeostasis and preventing autoimmunity and inflammation. A proportion of Treg cells can lose Foxp3 expression and become unstable under inflammation conditions. The precise mechanisms underlying this phenomenon remain unclear. METHODS The PI16 gene knockout mice (PI16fl/flFoxp3Cre) in Treg were constructed, and the genotypes were identified. The proportion and phenotypic differences of immune cells in 8-week-old mice were detected by cell counter and flow cytometry. Two groups of mouse Naïve CD4+T cells were induced to differentiate into iTreg cells to observe the effect of PI16 on the differentiation and proliferation of iTreg cells, CD4+CD25+Treg and CD4+CD25- effector T cells (Teff) were selected and co-cultured with antigen presenting cells (APC) to observe the effect of PI16 on the inhibitory ability of Treg cells in vitro. The effects of directed knockout of PI16 in Treg cells on inflammatory symptoms, histopathological changes and immune cell expression in mice with enteritis and autoimmune arthritis were observed by constructing the model of antigen-induced arthritis (AIA) and colitis induced by dextran sulfate sodium salt (DSS). RESULTS We identified peptidase inhibitor 16 (PI16) as a negative regulator of Treg cells. Our findings demonstrate that conditional knock-out of PI16 in Tregs significantly enhances their differentiation and suppressive functions. The conditional knockout of the PI16 gene resulted in a significantly higher abundance of Foxp3 expression (35.12 ± 5.71% vs. 20.00 ± 1.61%, p = 0.034) in iTreg cells induced in vitro compared to wild-type mice. Mice with Treg cell-specific PI16 ablation are protected from autoimmune arthritis (AIA) and dextran sulfate sodium (DSS)-induced colitis development. The AIA model of PI16CKO is characterized by the reduction of joint structure and the attenuation of synovial inflammation and in DSS-induced colitis model, conditional knockout of the PI16 reduce intestinal structural damage. Additionally, we found that the deletion of the PI16 gene in Treg can increase the proportion of Treg (1.46 ± 0.14% vs. 0.64 ± 0.07%, p < 0.0001) and decrease the proportion of Th17 (1.00 ± 0.12% vs. 3.84 ± 0.64%, p = 0.001). This change will enhance the shift of Th17/Treg toward Treg cells in AIA arthritis model (0.71 ± 0.06% vs. 8.07 ± 1.98%, p = 0.003). In DSS-induced colitis model of PI16CKO, the proportion of Treg in spleen was significantly increased (1.40 ± 0.15% vs. 0.50 ± 0.11%, p = 0.003), Th17 (2.18 ± 0.55% vs. 6.42 ± 1.47%, p = 0.017), Th1 (3.42 ± 0.19% vs. 6.59 ± 1.28%, p = 0.028) and Th2 (1.52 ± 0.27% vs. 2.76 ± 0.38%, p = 0.018) in spleen was significantly decreased and the Th17/Treg balance swift toward Treg cells (1.44 ± 0.50% vs. 24.09 ± 7.18%, p = 0.012). CONCLUSION PI16 plays an essential role in inhibiting Treg cell differentiation and function. Conditional knock out PI16 gene in Treg can promote the Treg/Th17 balance towards Treg dominance, thereby alleviating the condition. Targeting PI16 may facilitate Treg cell-based therapies for preventing autoimmune diseases and inflammatory diseases. The research provides us with novel insights and future research avenues for the treatment of autoimmune diseases, particularly arthritis and colitis.
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Affiliation(s)
- Yuankai Sun
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Shiyu Lin
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Hui Wang
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Lei Wang
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Yulu Qiu
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Feifei Zhang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Nannan Hao
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Fang Wang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
| | - Wenfeng Tan
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
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Wang C, Guo H, Bai J, Yu L, Tian F, Zhao J, Zhang H, Chen W, Zhai Q. The roles of different Bacteroides uniformis strains in alleviating DSS-induced ulcerative colitis and related functional genes. Food Funct 2024; 15:3327-3339. [PMID: 38465411 DOI: 10.1039/d3fo04863b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Bacteroides is a common intestinal bacterium closely associated with host colitis. However, relevant studies have been focused on the genus level, which could not identify the major Bacteroides species associated with intestinal disease. Thus, we have evaluated the Bacteroides species structure in healthy people and mouse intestinal tracts and explored the change in major Bacteroides species during colitis development. The results demonstrated that B. uniformis with a high abundance in the intestinal tract of healthy people and mice may be a core species that contributes to colitis remission. The results of animal experiments reported that B. uniformis FNMHLBE1K1 (1K1) could alleviate the severity of colitis and enhance the expression of the tight junction protein occludin by regulating gut microbiota. Notably, the protective roles of 1K1 may be attributed to some specific genes. This study revealed that B. uniformis is a key microbe influencing the occurrence and development of colitis and it provides a scientific basis for screening the next generation of probiotics.
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Affiliation(s)
- Chen Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, P. R China.
- College of Food Science, Southwest University, Chongqing, 400715, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Hang Guo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, P. R China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Junying Bai
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, P. R China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- Citrus Research Institute, Southwest University, Chongqing, 400712, China
| | - Leilei Yu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, P. R China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Fengwei Tian
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, P. R China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, P. R China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, P. R China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China
- Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, Wuxi, Jiangsu, China
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, P. R China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Qixiao Zhai
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, P. R China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
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Li Y, Ma M, Wang X, Li J, Fang Z, Li J, Yang B, Lu Y, Xu X, Li Y. Celecoxib alleviates the DSS-induced ulcerative colitis in mice by enhancing intestinal barrier function, inhibiting ferroptosis and suppressing apoptosis. Immunopharmacol Immunotoxicol 2024; 46:240-254. [PMID: 38156770 DOI: 10.1080/08923973.2023.2300508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 12/17/2023] [Indexed: 01/03/2024]
Abstract
INTRODUCTION Ulcerative colitis (UC) is an inflammatory intestine disease characterized by dysfunction of the intestinal mucosal barrier, ferroptosis, and apoptosis. Previous researches suggest that celecoxib, a nonsteroidal anti-inflammatory drug, holds promise in alleviating inflammation in UC. Therefore, this study aims to investigate the effects and mechanisms of celecoxib in UC. METHODS To identify ferroptosis-related drugs and genes associated with UC, we utilized the Gene Expression Omnibus (GEO), FerrDb databases, and DGIdb database. Subsequently, we established a 2.5% DSS (Dextran sulfate sodium)-induced colitis model in mice and treated them with 10 mg/kg of celecoxib to validate the bioinformatics results. We evaluated histological pathologies, inflammatory response, intestinal barrier function, ferroptosis markers, and apoptosis regulators. RESULTS Celecoxib treatment significantly ameliorated DSS-induced UC in mice, as evidenced by the body weight change curve, colon length change curve, disease activity index (DAI) score, and histological index score. Celecoxib treatment reduced the level of pro-inflammatory factors and promoted the expressions of intestinal tight junction proteins such as Claudin-1 and Occludin, thereby restoring the integrity of the intestinal mucosal barrier. Furthermore, celecoxib treatment reversed the ferroptosis characteristics in DSS-induced mice by increasing glutathione (GSH), decreasing malondialdehyde (MDA), and increasing the expression of GPX-4 and xCT. Additionally, apoptosis was induced in mice with UC, as evidenced by increased Caspase3, BAD, P53, BAX, Caspase9 and Aifm1 production, and decreased expression of BCL-XL and BCL2. Celecoxib treatment significantly reversed the apoptotic changes in DSS-induced mice. CONCLUSION Our findings suggest that celecoxib effectively treats DSS-induced UC in mice by inhibiting ferroptosis and apoptosis.
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Affiliation(s)
- Yaxian Li
- General Surgery Department, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Mengdi Ma
- General Surgery Department, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xiaodong Wang
- The Robert Bosch Center for Tumor Diseases (RBCT), Stuttgart, Germany
| | - Jing Li
- General Surgery Department, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Ziqing Fang
- General Surgery Department, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jianhui Li
- General Surgery Department, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Bo Yang
- General Surgery Department, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yida Lu
- General Surgery Department, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xin Xu
- General Surgery Department, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yongxiang Li
- General Surgery Department, the First Affiliated Hospital of Anhui Medical University, Hefei, China
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Wu M, Wang Q, Li X, Yu S, Zhao F, Wu X, Fan L, Liu X, Zhao Q, He X, Li W, Zhang Q, Hu X. Gut microbiota-derived 5-hydroxyindoleacetic acid from pumpkin polysaccharides supplementation alleviates colitis via MAPKs-PPARγ/NF-κB inhibition. Int J Biol Macromol 2024; 264:130385. [PMID: 38395290 DOI: 10.1016/j.ijbiomac.2024.130385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 02/16/2024] [Accepted: 02/20/2024] [Indexed: 02/25/2024]
Abstract
Polysaccharides from Pumpkin (Cucurbita moschata Duchesne) (PPs) have many pharmacological activities, including anti-oxidant, immune, and intestinal microbiota regulation. These activities have provided some reminders of its potential therapeutic effect on ulcerative colitis (UC), but this has not yet been confirmed. This study preliminarily confirmed its significant anti-UC activity superior to Salicylazosulfapyridine. The average molecular weight of PPs was 3.10 × 105 Da, and PPs mainly comprised Mannose, Rhamnose, Galacturonic acid, Galactosamine, Glucose, and Xylose with molar ratios of 1.58:3.51:34.54:1.00:3.25:3.02. PPs (50, 100 mg/kg) could significantly resist dextran sodium sulfate induced UC on C57BL/6 mice by improving gut microbiota dysbiosis, such as the changes of relative abundance of Bacteroides, Culturomica, Mucispirillum, Escherichia-Shigella, Alistipes and Helicobacter. PPs also reverse the abnormal inflammatory reaction, including abnormal level changes of TNF-α, IFN-γ, IL-1β, IL-4, IL-6, IL-10, and IL-18. Metabolomic profiling showed that PPs supplementation resulted in the participation of PPAR and MAPK pathways, as well as the increase of 5-hydroxyindole acetic acid (5-HIAA) level. 5-HIAA also exhibited individual and synergistic anti-UC activities in vivo. Furthermore, combination of PPs and 5-HIAA could also elevate the levels of PPARγ in nuclear and inhibit MAPK/NF-ĸB pathway in the colon. This study revealed that PPs and endogenous metabolite 5-HIAA might be developed to treat UC.
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Affiliation(s)
- Minglan Wu
- Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine for Clinical Evaluation and Translational Research, Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, Department of Clinical Pharmacy, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Qi Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Institute of Feed Science, College of Animal Sciences, Zhejiang University, Hangzhou 310058, Zhejiang Province, China
| | - Xiaodong Li
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Institute of Feed Science, College of Animal Sciences, Zhejiang University, Hangzhou 310058, Zhejiang Province, China
| | - Songxia Yu
- Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine for Clinical Evaluation and Translational Research, Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, Department of Clinical Pharmacy, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Fan Zhao
- Department of General Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Xia Wu
- Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine for Clinical Evaluation and Translational Research, Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, Department of Clinical Pharmacy, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Li Fan
- Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine for Clinical Evaluation and Translational Research, Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, Department of Clinical Pharmacy, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Xueling Liu
- Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine for Clinical Evaluation and Translational Research, Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, Department of Clinical Pharmacy, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Qingwei Zhao
- Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine for Clinical Evaluation and Translational Research, Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, Department of Clinical Pharmacy, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Xuelin He
- Kidney Disease Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Weifen Li
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Institute of Feed Science, College of Animal Sciences, Zhejiang University, Hangzhou 310058, Zhejiang Province, China.
| | - Qiao Zhang
- Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine for Clinical Evaluation and Translational Research, Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, Department of Clinical Pharmacy, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
| | - Xingjiang Hu
- Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine for Clinical Evaluation and Translational Research, Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, Department of Clinical Pharmacy, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
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DeFrates KG, Tong E, Cheng J, Heber‐Katz E, Messersmith PB. A Pro-Regenerative Supramolecular Prodrug Protects Against and Repairs Colon Damage in Experimental Colitis. Adv Sci (Weinh) 2024; 11:e2304716. [PMID: 38247203 PMCID: PMC10987129 DOI: 10.1002/advs.202304716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 10/13/2023] [Indexed: 01/23/2024]
Abstract
Structural repair of the intestinal epithelium is strongly correlated with disease remission in inflammatory bowel disease (IBD); however, ulcer healing is not addressed by existing therapies. To address this need, this study reports the use of a small molecule prolyl hydroxylase (PHD) inhibitor (DPCA) to upregulate hypoxia-inducible factor one-alpha (HIF-1α) and induce mammalian regeneration. Sustained delivery of DPCA is achieved through subcutaneous injections of a supramolecular hydrogel, formed through the self-assembly of PEG-DPCA conjugates. Pre-treatment of mice with PEG-DPCA is shown to protect mice from epithelial erosion and symptoms of dextran sodium sulfate (DSS)-induced colitis. Surprisingly, a single subcutaneous dose of PEG-DPCA, administered after disease onset, leads to accelerated weight gain and complete restoration of healthy tissue architecture in colitic mice. Rapid DPCA-induced restoration of the intestinal barrier is likely orchestrated by increased expression of HIF-1α and associated targets leading to an epithelial-to-mesenchymal transition. Further investigation of DPCA as a potential adjunctive or stand-alone restorative treatment to combat active IBD is warranted.
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Affiliation(s)
- Kelsey G. DeFrates
- Department of BioengineeringUniversity of California, BerkeleyBerkeleyCA94720USA
| | - Elaine Tong
- Department of BioengineeringUniversity of California, BerkeleyBerkeleyCA94720USA
| | - Jing Cheng
- Department of BioengineeringUniversity of California, BerkeleyBerkeleyCA94720USA
| | | | - Phillip B. Messersmith
- Department of BioengineeringUniversity of California, BerkeleyBerkeleyCA94720USA
- Department of Materials Science and EngineeringUniversity of California, BerkeleyBerkeleyCA94720USA
- Materials Sciences DivisionLawrence Berkeley National LaboratoryBerkeleyCA94720USA
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Yao J, Sun T, Zheng S, Ma J, Zeng Q, Liu K, Zhang W, Yu Y. The protective effect of teprenone in TNBS-induced ulcerative colitis rats by modulating the gut microbiota and reducing inflammatory response. Immunopharmacol Immunotoxicol 2024; 46:255-263. [PMID: 38252282 DOI: 10.1080/08923973.2024.2308252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 01/15/2024] [Indexed: 01/23/2024]
Abstract
OBJECTIVE Ulcerative colitis (UC), a chronic and refractory nonspecific inflammatory bowel disease, affects millions of patients worldwide and increases the risk of colorectal cancer. Teprenone is an acylic polyisoprenoid that exerts anti-inflammatory properties in rat models of peptic ulcer disease. This in vitro and in vivo study was designed to investigate the effects of teprenone on UC and to explore the underlying mechanisms. METHODS Human intestinal epithelial cells (Caco-2 cells) serve as the in vitro experimental model. Lipopolysaccharide (LPS, 1 μg/mL) was employed to stimulate the production of pro-inflammatory cytokines (interleukin [IL]-6, IL-1β, and tumor necrosis factor [TNF]-α), Toll-like receptor-4 (TLR4), MyD88 expression, and NF-κB activation. A trinitrobenzene sulfonic acid (TNBS)-induced chronic UC rat model was employed for the in vivo assay. RESULTS Pro-inflammatory cytokine stimulation by LPS in Caco-2 cells was inhibited by teprenone at 40 μg/mL through the TLR4/NF-κB signaling pathway. Teprenone attenuated TNBS-induced UC, decreased myeloperoxidase and malondialdehyde, induced TLR4 expression and NF-κB activation, and increased glutathione and zonula occludens-1 level in the rat colonic tissue. Moreover, Fusobacterium, Escherichia coli, Porphyromonas gingivalis elevation, and Mogibacterium timidum decline in UC rats were inhibited by teprenone. CONCLUSION Based on our results, the protective effects of teprenone for UC may be related to its ability to modulate the gut microbiota and reduce the inflammatory response.
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Affiliation(s)
- Jianfeng Yao
- Department of Gastroenterology, Huadong Hospital Affiliated to Fudan University, Shanghai, China
| | - Tao Sun
- Department of Endoscopy, Huadong Hospital Affiliated to Fudan University, Shanghai, China
| | - Songbai Zheng
- Department of Gastroenterology, Huadong Hospital Affiliated to Fudan University, Shanghai, China
| | - Jianxia Ma
- Department of Gastroenterology, Huadong Hospital Affiliated to Fudan University, Shanghai, China
| | - Qinglian Zeng
- Department of Gastroenterology, Huadong Hospital Affiliated to Fudan University, Shanghai, China
| | - Kangwei Liu
- Department of Gastroenterology, Huadong Hospital Affiliated to Fudan University, Shanghai, China
| | - Wei Zhang
- Department of Gastroenterology, Huadong Hospital Affiliated to Fudan University, Shanghai, China
| | - Yang Yu
- Department of Gastroenterology, Huadong Hospital Affiliated to Fudan University, Shanghai, China
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Zhang L, Ren J, Yu T, Li Y, Li Y, Lu S, Guo X. Supplementation of citrus pectin with whole-cell pectinase PG5 on Pichia pastoris promotes recovery of colitis and enhances intestinal barrier function in DSS-treated mice. Int J Biol Macromol 2024; 264:130476. [PMID: 38428761 DOI: 10.1016/j.ijbiomac.2024.130476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 02/24/2024] [Accepted: 02/26/2024] [Indexed: 03/03/2024]
Abstract
A whole-cell biocatalyst was developed by genetically engineering pectinase PG5 onto the cell surface of Pichia pastoris using Gcw12 as the anchoring protein. Whole-cell PG5 eliminated the need for enzyme extraction and purification, while also exhibiting enhanced thermal stability, pH stability, and resistance to proteases in vitro compared to free PG5. Magnetic resonance mass spectrometry analysis revealed that whole-cell PG5 efficiently degraded citrus pectin, resulting in the production of a mixture of pectin oligosaccharides. The primary components of the mixture were trigalacturonic acid, followed by digalacturonic acid and tetragalacturonic acid. Supplementation of citrus pectin with whole-cell PG5 resulted in a more pronounced protective effect compared to free PG5 in alleviating colitis symptoms and promoting the integrity of the colonic epithelial barrier in a mouse model of dextran sulfate sodium-induced colitis. Hence, this study demonstrates the potential of utilizing whole-cell pectinase as an effective biocatalyst to promote intestinal homeostasis in vivo.
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Affiliation(s)
- Li Zhang
- College of Life Science, South-Central Minzu University, No. 182, Minyuan Road, Hongshan District, Wuhan City, Hubei Province 430074, China
| | - Jing Ren
- College of Life Science, South-Central Minzu University, No. 182, Minyuan Road, Hongshan District, Wuhan City, Hubei Province 430074, China
| | - Tianfei Yu
- College of Life Science, South-Central Minzu University, No. 182, Minyuan Road, Hongshan District, Wuhan City, Hubei Province 430074, China
| | - Yuanrong Li
- College of Life Science, South-Central Minzu University, No. 182, Minyuan Road, Hongshan District, Wuhan City, Hubei Province 430074, China
| | - Yanshun Li
- College of Life Science, South-Central Minzu University, No. 182, Minyuan Road, Hongshan District, Wuhan City, Hubei Province 430074, China
| | - Shuang Lu
- College of Life Science, South-Central Minzu University, No. 182, Minyuan Road, Hongshan District, Wuhan City, Hubei Province 430074, China
| | - Xiaohua Guo
- College of Life Science, South-Central Minzu University, No. 182, Minyuan Road, Hongshan District, Wuhan City, Hubei Province 430074, China.
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Yao T, Yao YY, Wang JZ, Jiang SM, Li LJ. Magnolin alleviated DSS-induced colitis by inhibiting ALOX5-mediated ferroptosis. Kaohsiung J Med Sci 2024; 40:360-373. [PMID: 38340032 DOI: 10.1002/kjm2.12806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 12/17/2023] [Accepted: 01/04/2024] [Indexed: 02/12/2024] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic and incurable disorder associated with higher cancer risk and currently faces unsatisfactory treatment outcomes. Ferroptotic cells secrete damage-associated molecular patterns (DAMPs) that recruit and activate immune cells, particularly macrophages. Magnolin has excellent antioxidant and anti-inflammatory properties, but its effect on IBD has not yet been clearly understood. This study aimed to investigate the therapeutic effects and mechanism of magnolin in IBD. For this purpose, in vivo and in vitro colitis models were established using dextran sulfate sodium (DSS), followed by optimization of magnolin concentration 2.5 μg/mL in vitro and 5 mg/kg in vivo. Bioinformatics analysis identified potential magnolin target sites and evaluated ferroptosis-associated gene expressions. Body weight, food intake, disease activity index (DAI), pathological changes, and inflammation levels were assessed. The effect of magnolin on ferroptosis and macrophages was evaluated using quantitative real time-polymerase chain reaction (qRT-PCR), immunofluorescent staining, flow cytometry, enzyme-linked immunosorbent assay (ELISA), and western blotting. Results indicated that magnolin at a lower dose (5 mg/kg) alleviated DSS-induced colitis symptoms and reduced inflammation in mice. The bioinformatics analysis showed arachidonate 5-lipoxygenase (ALOX5) as a potential magnolin target. Furthermore, magnolin inhibited the expression of ALOX5 with no effect on GPX4. Moreover, magnolin regulated macrophage differentiation into the M2 phenotype and suppressed pro-inflammatory factors, that is, interleukin-6 and tumor necrosis factor-α (IL-6 and TNFα). These results suggested that magnolin possesses significant therapeutic potential in treating IBD by suppressing ALOX5-mediated ferroptosis, inhibiting M1 while promoting M2 macrophages, which is envisaged to provide novel strategies for treating IBD.
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Affiliation(s)
- Ting Yao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou City, China
| | - Yuan-Yuan Yao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou City, China
| | - Jin-Zhi Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou City, China
| | - Shi-Man Jiang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou City, China
| | - Lan-Juan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou City, China
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Huang W, Das NK, Radyk MD, Keeley T, Quiros M, Jain C, El-Derany MO, Swaminathan T, Dziechciarz S, Greenson JK, Nusrat A, Samuelson LC, Shah YM. Dietary Iron Is Necessary to Support Proliferative Regeneration after Intestinal Injury. J Nutr 2024; 154:1153-1164. [PMID: 38246358 DOI: 10.1016/j.tjnut.2024.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 12/04/2023] [Accepted: 01/04/2024] [Indexed: 01/23/2024] Open
Abstract
BACKGROUND Tissue repair and regeneration in the gastrointestinal system are crucial for maintaining homeostasis, with the process relying on intricate cellular interactions and affected by micro- and macro-nutrients. Iron, essential for various biological functions, plays a dual role in tissue healing by potentially causing oxidative damage and participating in anti-inflammatory mechanisms, underscoring its complex relationship with inflammation and tissue repair. OBJECTIVE The study aimed to elucidate the role of low dietary iron in gastrointestinal tissue repair. METHODS We utilized quantitative iron measurements to assess iron levels in inflamed regions of patients with ulcerative colitis and Crohn's disease. In addition, 3 mouse models of gastrointestinal injury/repair (dextran sulfate sodium-induced colitis, radiation injury, and wound biopsy) were used to assess the effects of low dietary iron on tissue repair. RESULTS We found that levels of iron in inflamed regions of both patients with ulcerative colitis and Crohn's disease are elevated. Similarly, during gastrointestinal repair, iron levels were found to be heightened, specifically in intestinal epithelial cells across the 3 injury/repair models. Mice on a low-iron diet showed compromised tissue repair with reduced proliferation. In standard diet, epithelial cells and the stem cell compartment maintain adequate iron stores. However, during a period of iron deficiency, epithelial cells exhaust their iron reserves, whereas the stem cell compartments maintain their iron pools. During injury, when the stem compartment is disrupted, low iron levels impair proliferation and compromise repair mechanisms. CONCLUSIONS Low dietary iron impairs intestinal repair through compromising the ability of epithelial cells to aid in intestinal proliferation.
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Affiliation(s)
- Wesley Huang
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States; Department of Cellular and Molecular Biology, University of Michigan, Ann Arbor, MI, United States; Medical Scientist Training Program, University of Michigan, Ann Arbor, MI, United States
| | - Nupur K Das
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States
| | - Megan D Radyk
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States
| | - Theresa Keeley
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States
| | - Miguel Quiros
- Department of Pathology, University of Michigan, Ann Arbor, MI, United States
| | - Chesta Jain
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States
| | - Marwa O El-Derany
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States; Department of Biochemistry, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Thaarini Swaminathan
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States
| | - Sofia Dziechciarz
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States
| | - Joel K Greenson
- Department of Pathology, University of Michigan, Ann Arbor, MI, United States
| | - Asma Nusrat
- Department of Pathology, University of Michigan, Ann Arbor, MI, United States
| | - Linda C Samuelson
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States
| | - Yatrik M Shah
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States; Department of Cellular and Molecular Biology, University of Michigan, Ann Arbor, MI, United States.
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Zeng J, Lu QQ, Du XL, Yuan L, Yang XJ. Toll-like receptor 3 signaling drives enteric glial cells against dextran sulfate sodium-induced colitis in mice. J Mol Histol 2024; 55:201-210. [PMID: 38376631 DOI: 10.1007/s10735-024-10184-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 02/11/2024] [Indexed: 02/21/2024]
Abstract
The activation of toll-like receptor 3 (TLR3) has been reported to attenuate astrocytes injury in central nervous system, but its effect on enteric glial cells (EGCs) remains unknown. Here, we confirmed that the residence of EGCs was regulated by TLR3 agonist (polyinosinic-polycytidylic acid, PIC) or TLR3/dsRNA complex inhibitor in dextran sulfate sodium (DSS)-induced mice. In vitro, TLR3 signaling prevented apoptosis in EGCs and drove the secretion of EGCs-derived glial cell line-derived neurotrophic factor, 15-hydroxyeicosatetraenoic acid and S-nitrosoglutathione. PIC preconditioning enhanced the protective effects of EGCs against the dysfunction of intestinal epithelial barrier and the development of colitis in DSS-induced mice. Interestingly, PIC stimulation also promoted the effects of EGCs on converting macrophages to an M2-like phenotype and regulating the levels of inflammatory cytokines, including IL-1β, TNF-α and IL-10, in DSS-induced mice. These findings imply that TLR3 signaling in EGCs may provide a potential target for the prevention and treatment of colitis.
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Affiliation(s)
- Jian Zeng
- Department of Gastroenterology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China.
| | - Qiong-Qiong Lu
- Department of Gastroenterology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Xiao-Long Du
- Department of Gastroenterology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Ling Yuan
- Department of Gastroenterology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Xiao-Jun Yang
- Department of Gastroenterology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
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Huang L, Sun Q, Li Q, Li X. Screening and characterization of an anti-inflammatory pectic polysaccharide from Cucurbita moschata Duch. Int J Biol Macromol 2024; 264:130510. [PMID: 38447847 DOI: 10.1016/j.ijbiomac.2024.130510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 01/15/2024] [Accepted: 02/26/2024] [Indexed: 03/08/2024]
Abstract
Pectin polysaccharides have demonstrated diverse biological activities, however, the inflammatory potential of pectin polysaccharides extracted from Cucurbita moschata Duch remains unexplored. This study aims to extract, characterize and evaluate the effects of pumpkin pectin polysaccharide on lipopolysaccharide (LPS)-induced inflammatory response in RAW264.7 cells and dextran sulfate sodium (DSS)-induced colitis in mice, along with its underlying mechanism of action. Initially, we extracted three fractions of pectin polysaccharides from pumpkin and screened them for anti-inflammatory activity in LPS-induced macrophages, identifying CMDP-3a as the most potent anti-inflammatory fraction. Subsequently, CMDP-3a underwent comprehensive characterization through chromatography and spectroscopic analysis, revealing CMDP-3a as an RG-I-HG type pectin polysaccharide with →4)-α-D-GalpA-(1 → and →4)-α-D-GalpA-(1 → 2,4)-α-L-Rhap-(1 → as the main chain. Further, in the LPS-induced RAW264.7 cells model, treatment with CMDP-3a significantly down-regulated the mRNA expression of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), and pro-inflammatory cytokines (IL-1β, TNF-α, and IL-6) by inhibiting the MAPK and NF-κB signaling pathways. Finally, in a mouse colitis model, CMDP-3a administration obviously inhibited DSS-induced pathological alterations and reduced inflammatory cytokine expressions in the colonic tissues by down-regulating the TLR4/NF-κB and MAPK pathways. These findings provide a molecular basis for the potential application of CMDP-3a in reducing inflammatory responses.
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Affiliation(s)
- Linlin Huang
- The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan 250014, PR China
| | - Qi Sun
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, PR China
| | - Quanhong Li
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, PR China
| | - Xin Li
- The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan 250014, PR China; School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250117, PR China; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China.
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Ju Z, Shang Z, Liu Y, Xu S, Fang J, Chen F. Structural modification of natural axinelline A: Achieving reduced colitis side effects through balanced COX inhibition. Bioorg Chem 2024; 145:107209. [PMID: 38368656 DOI: 10.1016/j.bioorg.2024.107209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 02/05/2024] [Accepted: 02/11/2024] [Indexed: 02/20/2024]
Abstract
Marine natural products continue to hold great promise as potential candidates for the discovery of anti-inflammatory drug. In our previous investigation, we successfully synthesized axinelline A, a naturally occurring cyclooxygenase-2 (COX-2) inhibitor, as a promising anti-inflammatory lead compound. This study was to discover novel COX inhibitors with balanced inhibition, aiming to mitigate the severe adverse effects through further structural modification of axinelline A. Of the synthetic derivatives, compound 5e showed highest COX-2 inhibitory activity and balanced COX inhibition (IC50 = 1.74 µM; selectivity ((IC50 (COX-1)/IC50(COX-2) = 16.32). The in vitro anti-inflammatory results indicated that 5e effectively suppressed the expression of pro-inflammatory mediators via the NF-κB signaling pathway rather than the MAPK signaling pathway. The in vivo ulcerative colitis assay demonstrated 5e significantly ameliorated the histological damages and showed strong protection against DSS-induced acute colitis. Therefore, our findings suggest that compound 5e exhibits potential as a promising anti-inflammatory agent with attenuated colitis-related adverse effects.
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Affiliation(s)
- Zhiran Ju
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, China
| | - Ziyi Shang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yonghong Liu
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
| | - Shihai Xu
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
| | - Jingjie Fang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, China
| | - Fener Chen
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, China; Engineering Center of Catalysis and Synthesis for Chiral Molecules, Fudan University, Shanghai 200433, China.
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Chen X, Bao S, Liu M, Han Z, Tan J, Zhu Q, Huang X, Tian X. Inhibition of HMGB1 improves experimental mice colitis by mediating NETs and macrophage polarization. Cytokine 2024; 176:156537. [PMID: 38325140 DOI: 10.1016/j.cyto.2024.156537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 01/28/2024] [Accepted: 01/31/2024] [Indexed: 02/09/2024]
Abstract
OBJECTIVE Inflammatory bowel disease (IBD) is listed by the World Health Organization as one of the modern intractable diseases. High mobility histone box 1 (HMGB1), originally described as a non-histone nucleoprotein involved in transcriptional regulation, was later identified as a pro-inflammatory cytokine that may contribute to the pathogenesis of inflammatory diseases such as IBD. Neutrophil extracellular traps (NETs) play an important role in the pathophysiology of IBD The aim of this study was to investigate the role of HMGB1 in experimental colitis mice and its potential mechanisms of action. METHODS We first constructed the experimental colitis mouse model. Intervention of mice by rhHMGB1 supplementation or HMGB1 inhibition. The pathological morphology of the colon was observed using HE staining. Apoptosis of colonic tissue intestinal epithelial cells was evaluated using Tunel assay. The expression of HMGB1, ZO-1 and occludin in colon tissue was detected by immunohistochemistry, ELISA and western-blot. We also assessed the effects of HMGB1 on colonic injury, NETs content, macrophage polarization and inflammatory cells in mice. The regulatory effect of HMGB1 inhibition on NETs was assessed by combining DNase I. RESULTS Inhibition of HMGB1 significantly reduced the inflammatory model in experimental colitis mice, as evidenced by reduced body weight, increased colonic length, reduced DAI scores and apoptosis, reduced inflammatory response, and improved colonic histopathological morphology and intestinal mucosal barrier function. Meanwhile, inhibition of HMGB1 was able to reduce the expression of CD86, citH3 and MPO and increase the expression of CD206 in the colonic tissue of mice. In addition, DNase I intervention was also able to improve colonic inflammation in mice. And the best effect was observed when DNase I and inhibition of HMGB1 were intervened together. CONCLUSION Inhibition of HMGB1 ameliorates IBD by mediating NETs and macrophage polarization.
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Affiliation(s)
- Xiaohong Chen
- Department of Gastroenterology, Wuhan Third Hospital (Tongren Hospital of Wuhan University), China
| | - SaChuLa Bao
- School of Medicine, Wuhan University of Science and Technology, China
| | - Meng Liu
- Department of Gastroenterology, Wuhan Third Hospital (Tongren Hospital of Wuhan University), China
| | - Zheng Han
- Department of Gastroenterology, Wuhan Third Hospital (Tongren Hospital of Wuhan University), China
| | - Jie Tan
- Department of Gastroenterology, Wuhan Third Hospital (Tongren Hospital of Wuhan University), China
| | - Qingxi Zhu
- Department of Gastroenterology, Wuhan Third Hospital (Tongren Hospital of Wuhan University), China
| | - Xiaodong Huang
- Department of Gastroenterology, Wuhan Third Hospital (Tongren Hospital of Wuhan University), China
| | - Xia Tian
- Department of Gastroenterology, Wuhan Third Hospital (Tongren Hospital of Wuhan University), China.
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Riveiro-Barciela M, Carballal S, Díaz-González Á, Mañosa M, Gallego-Plazas J, Cubiella J, Jiménez-Fonseca P, Varela M, Menchén L, Sangro B, Fernández-Montes A, Mesonero F, Rodríguez-Gandía MÁ, Rivera F, Londoño MC. Management of liver and gastrointestinal toxicity induced by immune checkpoint inhibitors: Position statement of the AEEH-AEG-SEPD-SEOM-GETECCU. Gastroenterol Hepatol 2024; 47:401-432. [PMID: 38228461 DOI: 10.1016/j.gastrohep.2023.10.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 09/28/2023] [Accepted: 10/19/2023] [Indexed: 01/18/2024]
Abstract
The development of the immune checkpoint inhibitors (ICI) is one of the most remarkable achievements in cancer therapy in recent years. However, their exponential use has led to an increase in immune-related adverse events (irAEs). Gastrointestinal and liver events encompass hepatitis, colitis and upper digestive tract symptoms accounting for the most common irAEs, with incidence rates varying from 2% to 40%, the latter in patients undergoing combined ICIs therapy. Based on the current scientific evidence derived from both randomized clinical trials and real-world studies, this statement document provides recommendations on the diagnosis, treatment and prognosis of the gastrointestinal and hepatic ICI-induced adverse events.
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Affiliation(s)
- Mar Riveiro-Barciela
- Liver Unit, Internal Medicine Department, Hospital Universitari Vall d'Hebron, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain; Universitat Autònoma de Barcelona (UAB), Department of Medicine, Spain.
| | - Sabela Carballal
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain; Gastroenterology Department, Hospital Clinic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Spain; Universitat de Barcelona, Spain
| | - Álvaro Díaz-González
- Gastroenterology Department, Grupo de Investigación Clínica y Traslacional en Enfermedades Digestivas, Instituto de Investigación Valdecilla (IDIVAL), Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - Míriam Mañosa
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain; Gastroenterology Department, Hospital Universitari Germans Trias i Pujol, Badalona, Spain
| | | | - Joaquín Cubiella
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain; Gastroenterology Department, Hospital Universitario de Ourense, Grupo de Investigación en Oncología Digestiva-Ourense, Spain
| | - Paula Jiménez-Fonseca
- Medical Oncology Department, Hospital Universitario Central de Asturias, ISPA, Oviedo, Spain
| | - María Varela
- Gastroenterology Department, Hospital Universitario Central de Asturias, IUOPA, ISPA, FINBA, University of Oviedo, Oviedo, Spain
| | - Luis Menchén
- Servicio de Aparato Digestivo - CEIMI, Instituto de Investigación Sanitaria Gregorio, Marañón, Spain; Departamento de Medicina, Universidad Complutense, Madrid, Spain
| | - Bruno Sangro
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain; Liver Unit, Cancer Center Clinica Universidad de Navarra, Pamplona-Madrid, Spain
| | - Ana Fernández-Montes
- Medical Oncology Department, Complexo Hospitalario Universitario de Ourense, Ourense, Spain
| | - Francisco Mesonero
- Gastroenterology and Hepatology Department, Hospital Universitario Ramón y Cajal, Madrid, Spain; Universidad de Alcalá de Henares, Spain
| | - Miguel Ángel Rodríguez-Gandía
- Gastroenterology and Hepatology Department, Hospital Universitario Ramón y Cajal, Madrid, Spain; Instituto Ramón y Cajal de Investigación Sanitaria (IRyCIS), Madrid, Spain
| | - Fernando Rivera
- Medical Oncology Department, Hospital Universitario Marqués de Valdecilla, IDIVAL, Santander, Spain
| | - María-Carlota Londoño
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain; Universitat de Barcelona, Spain; Liver Unit, Hospital Clínic Barcelona, Fundació de Recerca Clínic Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer, European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Spain
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Cheng Z, Zhou Y, Xiong X, Li L, Chen Z, Wu F, Dong R, Liu Q, Zhao Y, Jiang S, Yu Q, Chen G. Traditional herbal pair Portulacae Herba and Granati Pericarpium alleviates DSS-induced colitis in mice through IL-6/STAT3/SOCS3 pathway. Phytomedicine 2024; 126:155283. [PMID: 38422652 DOI: 10.1016/j.phymed.2023.155283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 12/01/2023] [Accepted: 12/13/2023] [Indexed: 03/02/2024]
Abstract
BACKGROUND Portulacae Herba and Granati Pericarpium pair (PGP) is a traditional Chinese herbal medicine treatment for colitis, clinically demonstrating a relatively favorable effect on relieving diarrhea and abnormal stools. However, the underlying mechanism remain uncertain. PURPOSE The present study intends to evaluate the efficacy of PGP in treating colitis in mice and investigate its underlying mechanism. METHODS The protective effect of PGP against colitis was determined by monitoring body weight, colon length, colon weight, and survival rate in mice. Colonic inflammation was assessed by serum cytokine levels, colonic H&E staining, and local neutrophil infiltration. The reversal of intestinal epithelial barrier damage by PGP was subsequently analyzed with Western blot and histological staining. Furthermore, RNA-seq analysis and molecular docking were performed to identify potential pathways recruited by PGP. Following the hints of the transcriptomic results, the role of PGP through the IL-6/STAT3/SOCS3 pathway in DSS-induced colitis mice was verified by Western blot. RESULTS DSS-induced colitis in mice was significantly curbed by PGP treatment. PGP treatment significantly mitigated DSS-induced colitis in mice, as evidenced by improvements in body weight, DAI severity, survival rate, and inflammatory cytokines levels in serum and colon. Moreover, PGP treatment up-regulated the level of Slc26a3, thereby increasing the expressions of the tight junction/adherens junction proteins ZO-1, occludin and E-cadherin in the colon. RNA-seq analysis revealed that PGP inhibits the IL-6/STAT3/SOCS3 pathway at the transcriptional level. Molecular docking indicated that the major components of PGP could bind tightly to the proteins of IL-6 and SOCS3. Meanwhile, the result of Western blot revealed that the IL-6/STAT3/SOCS3 pathway was inhibited at the protein level after PGP administration. CONCLUSION PGP could alleviate colonic inflammation and reverse damage to the intestinal epithelial barrier in DSS-induced colitis mice. The underlying mechanism involves the inhibition of the IL-6/STAT3/SOCS3 pathway.
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Affiliation(s)
- Zhe Cheng
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yi Zhou
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xinyu Xiong
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Lingli Li
- Department of Traditional Chinese Medicine, Wuhan Fourth Hospital, Wuhan 430033, China
| | - Zekai Chen
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Fan Wu
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Ruolan Dong
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Qiong Liu
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yan Zhao
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Shujun Jiang
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Qin Yu
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Guang Chen
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
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Fuentes-Valenzuela E, Carbajo AY, Fernández-Prada SJ, Rubiales BM, Jimenez NC. Beyond Crohn's disease: Deferasirox as possible agent for drug-induced ileocolitis. Gastroenterol Hepatol 2024; 47:380-381. [PMID: 37468041 DOI: 10.1016/j.gastrohep.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/10/2023] [Accepted: 07/12/2023] [Indexed: 07/21/2023]
Affiliation(s)
- Esteban Fuentes-Valenzuela
- Gastroenterology Department, Hospital Universitario Rio Hortega, C. Dulzaina, 2, 47012 Valladolid, Spain.
| | - Ana Yaiza Carbajo
- Gastroenterology Department, Hospital Universitario Rio Hortega, C. Dulzaina, 2, 47012 Valladolid, Spain
| | | | | | - Natalia Carpizo Jimenez
- Hematology Department, Hospital Universitario Rio Hortega, C. Dulzaina, 2, 47012 Valladolid, Spain
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Koyuncu AG, Cumbul A, Akyüz EY, Noval MKA. Pomegranate seed oil mitigates liver and kidney damage in an experimental colitis model: Modulation of NF-κB activation and apoptosis. Prostaglandins Other Lipid Mediat 2024; 171:106804. [PMID: 38065332 DOI: 10.1016/j.prostaglandins.2023.106804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 11/29/2023] [Accepted: 12/01/2023] [Indexed: 12/22/2023]
Abstract
Pomegranate seed oil, extracted from pomegranate seeds, is a slightly fragrant yellow oil with a mild odor. Pomegranate seed oil is the main source of punicic acid (conjugated linolenic acid). Punicic acid is a long-chain omega-5 polyunsaturated fatty acid and a conjugated α-linolenic acid molecule. This acid is thought to provide many health benefits. This study evaluated the potential of pomegranate seed oil to attenuate damage to liver and kidney tissues in an acetic acid-induced colitis model. 32 male Sprague-Dawley rats were divided into 4 groups: control, colitis, 0.4 ml/kg, and 0.8 ml/kg pomegranate seed oil treatment after colitis. At the end of the experiment, histopathological and immunohistochemistry analyses of liver and kidney tissues were performed. Pomegranate seed oil treatment reduced damage in liver and kidney tissues, suppressed NF-κB activation, and regulated apoptosis. These findings support the potential effects of pomegranate seed oil against extraintestinal symptoms of colitis through its anti-inflammatory, and anti-apoptotic properties.
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Affiliation(s)
- Açelya Gül Koyuncu
- Faculty of Health Sciences, Department of Nutrition and Dietetics, Yeditepe University, İstanbul, Turkey.
| | - Alev Cumbul
- Faculty of Medicine, Department of Histology and Embryology, Yeditepe University, İstanbul, Turkey
| | - Elvan Yilmaz Akyüz
- Hamidiye Faculty of Health Sciences, Department of Nutrition and Dietetics, University of Health Sciences, İstanbul, Turkey
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Sun Q, Bibi S, Xue Y, Du M, Chew B, Zhu MJ. Dietary purple potato supplement attenuates DSS-induced colitis in mice: impact on mitochondrial function. J Nutr Biochem 2024; 126:109585. [PMID: 38253109 DOI: 10.1016/j.jnutbio.2024.109585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 12/18/2023] [Accepted: 01/17/2024] [Indexed: 01/24/2024]
Abstract
Inflammatory bowel disease (IBD) is a condition characterized by disrupted intestinal barrier function, abnormal immune response, and mucosal structure loss. This study evaluated the beneficial role of purple potato (PP) supplementation against IBD symptoms using a murine model of dextran sulfate sodium (DSS)-induced colitis, and further explored the underlying mechanisms. Six-week-old C57BL/6J male mice were randomized into two groups and fed a standard rodent diet with or without 10% PP powder for 7 weeks. At the 5th week of dietary supplements, mice in each group were further divided into two subgroups and were either induced with or without 2.5% DSS induction for 7 days, followed by 7 days of recovery. Data showed that PP supplementation ameliorated the disease activity index in DSS-treated mice and reversed the colonic structure loss, mucosal damage, macrophage infiltration, and pro-inflammatory cytokine secretion induced by DSS in the colonic tissue. PP supplementation also restored the levels of tight junction proteins and caudal type homeobox 2 in DSS-treated mice. Furthermore, dietary PP enhanced peroxisome proliferator-activated receptor-γ coactivator-1α signaling pathway, mitochondrial biogenesis, mitochondrial proteostasis, and protein-folding capacity. In summary, dietary PP ameliorated DSS-induced colitis and improved gut structures and barrier function, which was associated with improved mitochondrial function. These results support further investigation of PP as a potential dietary intervention for IBD.
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Affiliation(s)
- Qi Sun
- School of Food Science, Washington State University, Pullman, WA, USA
| | - Shima Bibi
- School of Food Science, Washington State University, Pullman, WA, USA
| | - Yansong Xue
- School of Food Science, Washington State University, Pullman, WA, USA
| | - Min Du
- Department of Animal Sciences, Washington State University, Pullman, WA, USA
| | - Boon Chew
- School of Food Science, Washington State University, Pullman, WA, USA
| | - Mei-Jun Zhu
- School of Food Science, Washington State University, Pullman, WA, USA.
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Wang F, Zhou F, Peng J, Chen H, Xie J, Liu C, Xiong H, Chen S, Xue G, Zhou X, Xie Y. Macrophage Tim-3 maintains intestinal homeostasis in DSS-induced colitis by suppressing neutrophil necroptosis. Redox Biol 2024; 70:103072. [PMID: 38330550 PMCID: PMC10865407 DOI: 10.1016/j.redox.2024.103072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 01/27/2024] [Accepted: 01/31/2024] [Indexed: 02/10/2024] Open
Abstract
T-cell immunoglobulin domain and mucin domain-3 (Tim-3) is a versatile immunomodulator that protects against intestinal inflammation. Necroptosis is a type of cell death that regulates intestinal homeostasis and inflammation. The mechanism(s) underlying the protective role of macrophage Tim-3 in intestinal inflammation is unclear; thus, we investigated whether specific Tim-3 knockdown in macrophages drives intestinal inflammation via necroptosis. Tim-3 protein and mRNA expression were assessed via double immunofluorescence staining and single-cell RNA sequencing (sc-RNA seq), respectively, in the colonic tissues of patients with inflammatory bowel disease (IBD) and healthy controls. Macrophage-specific Tim3-knockout (Tim-3M-KO) mice were generated to explore the function and mechanism of Tim-3 in dextran sodium sulfate (DSS)-induced colitis. Necroptosis was blocked by pharmacological inhibitors of receptor-interacting protein kinase (RIP)1, RIP3, and reactive oxygen species (ROS). Additionally, in vitro experiments were performed to assess the mechanisms of neutrophil necroptosis induced by Tim-3 knockdown macrophages. Although Tim-3 is relatively inactive in macrophages during colon homeostasis, it is highly active during colitis. Compared to those in controls, Tim-3M-KO mice showed increased susceptibility to colitis, higher colitis scores, and increased pro-inflammatory mediator expression. Following the administration of RIP1/RIP3 or ROS inhibitors, a significant reduction in intestinal inflammation symptoms was observed in DSS-treated Tim-3M-KO mice. Further analysis indicated the TLR4/NF-κB pathway in Tim-3 knockdown macrophages mediates the TNF-α-induced necroptosis pathway in neutrophils. Macrophage Tim-3 regulates neutrophil necroptosis via intracellular ROS signaling. Tim-3 knockdown macrophages can recruit neutrophils and induce neutrophil necroptosis, thereby damaging the intestinal mucosal barrier and triggering a vicious cycle in the development of colitis. Our results demonstrate a protective role of macrophage Tim-3 in maintaining gut homeostasis by inhibiting neutrophil necroptosis and provide novel insights into the pathogenesis of IBD.
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Affiliation(s)
- Fangfei Wang
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China; Institute of Digestive Disease, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Feng Zhou
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China; Institute of Digestive Disease, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Jianxiang Peng
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China; Institute of Digestive Disease, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Hao Chen
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China; Institute of Digestive Disease, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Jinliang Xie
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China; Institute of Digestive Disease, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Cong Liu
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China; Institute of Digestive Disease, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Huifang Xiong
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China; Institute of Digestive Disease, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Sihai Chen
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China; Institute of Digestive Disease, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Guohui Xue
- Department of Clinical Laboratory, Affiliated Jiujiang Hospital of Nanchang University, Jiujiang, Jiangxi Province, China
| | - Xiaojiang Zhou
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China; Institute of Digestive Disease, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Yong Xie
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China; Institute of Digestive Disease, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China.
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Liu S, Hong L, Zhang S, Tian Y, Wang Y, Zhao D, Lv J, Zhuang J, Xu H, Xia G. Sporisorium reilianum polysaccharides improve DSS-induced ulcerative colitis by regulating intestinal barrier function and metabolites. Int J Biol Macromol 2024; 265:130863. [PMID: 38490380 DOI: 10.1016/j.ijbiomac.2024.130863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/28/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024]
Abstract
This study investigated the regulatory effects of Sporisorium reilianum polysaccharides (SRPS) on metabolism and the intestinal barrier in mice with colitis induced by dextran sulfate sodium (DSS). SRPS were resistant to the digestion of saliva, gastric juices, and intestinal fluid. SRPS significantly reduced the disease activity index and inhibited DSS-induced colon shortening. The expression of proinflammatory cytokines in the colon was normal (P < 0.05). Acetic acid, propionic acid, butyric acid, isobutyric acid, and isovaleric acid contents increased. Moreover, 64 biomarker metabolites were affected, including 42 abnormal decreases and 22 abnormal increases caused by DSS, which targeted amino acid biosynthesis; tryptophan metabolism; protein digestion and absorption; aminoacyl-tRNA biosynthesis; and glycine, serine, and threonine metabolism. In addition, SRPS reduced goblet cell loss and increased mucin secretion. The short-chain fatty acid receptor GPR41 was activated, and zonula occludens-1 and occludin expression levels were upregulated. Epithelial cell apoptosis was inhibited by increased Bcl-2 and decreased Bax expression NLRP3, ASC, and caspase-1 protein levels decreased. Intestinal barrier damage improved, and colon inflammation was reduced. Thus, our preliminary findings reveal that SRPS regulates metabolism and has the potential to protect the intestinal barrier in ulcerative colitis mice.
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Affiliation(s)
- Shuaichen Liu
- Department of Food Science and Engineering, College of Agricultural, Yanbian University, Yanji 133000, Jilin, China; Department of Food Science and Engineering, College of Integration Science, Yanbian University, Yanji 133000, Jilin, China
| | - Lan Hong
- Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanji 133002, China
| | - Song Zhang
- Department of Food Science and Engineering, College of Agricultural, Yanbian University, Yanji 133000, Jilin, China
| | - Yuxin Tian
- Department of Food Science and Engineering, College of Agricultural, Yanbian University, Yanji 133000, Jilin, China
| | - Yuchen Wang
- Department of Food Science and Engineering, College of Integration Science, Yanbian University, Yanji 133000, Jilin, China
| | - Duanduan Zhao
- Department of Food Science and Engineering, College of Integration Science, Yanbian University, Yanji 133000, Jilin, China
| | - Jingheng Lv
- Department of Food Science and Engineering, College of Integration Science, Yanbian University, Yanji 133000, Jilin, China
| | - Jingjing Zhuang
- Department of Food Science and Engineering, College of Agricultural, Yanbian University, Yanji 133000, Jilin, China
| | - Hongyan Xu
- Department of Food Science and Engineering, College of Agricultural, Yanbian University, Yanji 133000, Jilin, China; Department of Food Science and Engineering, College of Integration Science, Yanbian University, Yanji 133000, Jilin, China.
| | - Guangjun Xia
- Department of Animal Science, College of Agricultural, Yanbian University, Yanji 133000, Jilin, China.
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Ni J, Zhang L, Feng G, Bao W, Wang Y, Huang Y, Chen T, Chen J, Cao X, You K, Tan S, Efferth T, Li H, Li B, Shen X, You Y. Vanillic acid restores homeostasis of intestinal epithelium in colitis through inhibiting CA9/STIM1-mediated ferroptosis. Pharmacol Res 2024; 202:107128. [PMID: 38438089 DOI: 10.1016/j.phrs.2024.107128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/17/2024] [Accepted: 03/01/2024] [Indexed: 03/06/2024]
Abstract
The damage of integrated epithelial epithelium is a key pathogenic factor and closely associated with the recurrence of ulcerative colitis (UC). Here, we reported that vanillic acid (VA) exerted potent therapeutic effects on DSS-induced colitis by restoring intestinal epithelium homeostasis via the inhibition of ferroptosis. By the CETSA assay and DARTS assay, we identified carbonic anhydrase IX (CAIX, CA9) as the direct target of VA. The binding of VA to CA9 causes insulin-induced gene-2 (INSIG2) to interact with stromal interaction molecule 1 (STIM1), rather than SREBP cleavage-activating protein (SCAP), leading to the translocation of SCAP-SREBP1 from the endoplasmic reticulum (ER) to the Golgi apparatus for cleavage into mature SREBP1. The activation of SREBP1 induced by VA then significantly facilitated the transcription of stearoyl-CoA desaturase 1 (SCD1) to exert an inhibitory effect on ferroptosis. By inhibiting the excessive death of intestinal epithelial cells caused by ferroptosis, VA effectively preserved the integrity of intestinal barrier and prevented the progression of unresolved inflammation. In conclusion, our study demonstrated that VA could alleviate colitis by restoring intestinal epithelium homeostasis through CA9/STIM1-mediated inhibition of ferroptosis, providing a promising therapeutic candidate for UC.
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Affiliation(s)
- Jiahui Ni
- Department of Pharmacology & the Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China
| | - Lijie Zhang
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Guize Feng
- Department of Pharmacology & the Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China
| | - Weilian Bao
- Department of Pharmacology & the Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China
| | - Yirui Wang
- Artificial Intelligence Innovation and Incubation (AI³) Institute, Fudan University, Shanghai, China
| | - Yuran Huang
- Department of Pharmacology & the Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China
| | - Tongqing Chen
- Department of Pharmacology & the Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China
| | - Jieli Chen
- Department of Pharmacology & the Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China
| | - Xinyue Cao
- Department of Pharmacology & the Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China
| | - Keyuan You
- Department of Pharmacology & the Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China
| | - Sheng Tan
- Department of Pharmacology & the Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, Mainz 55128, Germany
| | - Hong Li
- Department of Pharmacology & the Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China
| | - Bo Li
- Amway (Shanghai) Innovation & Science Center, 720 Cailun Road, Shanghai, China.
| | - Xiaoyan Shen
- Department of Pharmacology & the Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China; Shanghai Fifth People's Hospital, Fudan University, Shanghai, China; Artificial Intelligence Innovation and Incubation (AI³) Institute, Fudan University, Shanghai, China.
| | - Yan You
- Department of Pharmacology & the Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China.
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48
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Grümme L, Dombret S, Knösel T, Skapenko A, Schulze-Koops H. Colitis induced by IL-17A-inhibitors. Clin J Gastroenterol 2024; 17:263-270. [PMID: 38060157 PMCID: PMC10960887 DOI: 10.1007/s12328-023-01893-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 11/01/2023] [Indexed: 12/08/2023]
Abstract
BACKGROUND Interleukin (IL)-17A is essential for intestinal mucosal integrity, contributing to the prevention of detrimental immunity such as infectious colitis and inflammatory bowel disease (IBD). Indeed, neutralization of IL-17A has been abandoned as a therapeutic principle in IBD because of increased disease activity. However, it is controversial whether IL-17A inhibitors increase the risk of developing colitis in patients who do not have underlying IBD. Here, we present two cases of different forms of colitis that occurred during treatment with two IL-17A inhibitors, secukinumab and ixekizumab. CASE PRESENTATIONS We report the case of a 35-year-old female with SAPHO (synovitis-acne-pustulosis-hyperostosis-osteitis) syndrome who was admitted due to severe colitis with bloody diarrhea, fever, abdominal pain and weight loss after receiving secukinumab for 3 months as well as the case of a 41-year-old male with psoriatic arthritis who presented himself to the outpatient clinic with bloody stools, abdominal pain and nausea 5 months after changing his therapy from secukinumab to ixekizumab. In both patients, treatment with IL-17A-inhibitors was stopped and tumor necrosis factor inhibitors were started. Both patients recovered, are clinically stable and show no more signs of active colitis. CONCLUSION The role of IL-17A inhibitors in the pathogenesis of infectious colitis and new-onset IBD is not fully understood and requires further research. Patients receiving IL-17A-inhibitor therapy should be carefully screened and notified of the possible side effects.
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Affiliation(s)
- Lea Grümme
- Division of Rheumatology and Clinical Immunology, Department of Medicine IV, LMU Clinic Munich, Pettenkoferstraße 8a, 80336, Munich, Germany
| | - Sophia Dombret
- Division of Rheumatology and Clinical Immunology, Department of Medicine IV, LMU Clinic Munich, Pettenkoferstraße 8a, 80336, Munich, Germany
| | - Thomas Knösel
- Institute of Pathology, LMU Clinic Munich, Munich, Germany
| | - Alla Skapenko
- Division of Rheumatology and Clinical Immunology, Department of Medicine IV, LMU Clinic Munich, Pettenkoferstraße 8a, 80336, Munich, Germany
| | - Hendrik Schulze-Koops
- Division of Rheumatology and Clinical Immunology, Department of Medicine IV, LMU Clinic Munich, Pettenkoferstraße 8a, 80336, Munich, Germany.
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Liu K, Yin Y, Shi C, Yan C, Zhang Y, Qiu L, He S, Li G. Asiaticoside ameliorates DSS-induced colitis in mice by inhibiting inflammatory response, protecting intestinal barrier and regulating intestinal microecology. Phytother Res 2024; 38:2023-2040. [PMID: 38384110 DOI: 10.1002/ptr.8129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 12/28/2023] [Accepted: 01/03/2024] [Indexed: 02/23/2024]
Abstract
Ulcerative colitis (UC) is one of the most prevalent inflammatory bowel diseases and poses a serious threat to human health. Currently, safe and effective preventive measures are unavailable. In this study, the protective effects of asiaticoside (AS) on dextran sodium sulfate (DSS)-induced colitis in mice and the underlying molecular mechanism were investigated. In this experiment, colitis was induced in mice with DSS. Subsequently, the role of AS in colitis and its underlying mechanisms were examined using H&E staining, immunofluorescence staining, western blot, Elisa, FMT, and other assays. The results showed that AS significantly attenuated the related symptoms of DSS-induced colitis in mice. In addition, AS inhibited the activation of signaling pathways TLR4/NF-κB and MAPK reduced the release of inflammatory factors, thereby attenuating the inflammatory response in mice. AS administration also restored the permeability of the intestinal barrier by increasing the levels of tight junction-associated proteins (claudin-3, occludin, and ZO-1). In addition, AS rebalanced the intestinal flora of DSS-treated mice by increasing the diversity of the flora. AS can alleviate DSS-induced ulcerative colitis in mice by maintaining the intestinal barrier, thus inhibiting the signaling pathways TLR4/NF-κB and MAPK activation, reducing the release of inflammatory factors, and regulating intestinal microecology.
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Affiliation(s)
- Kunjian Liu
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Yu Yin
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Chong Shi
- Anorectal Department, First Affiliated Hospital of Changchun University of Traditional Chinese Medicine, Changchun, China
| | - Chengqiu Yan
- Anorectal Department, First Affiliated Hospital of Changchun University of Traditional Chinese Medicine, Changchun, China
| | - Yiwen Zhang
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Li Qiu
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Shuangyan He
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Guofeng Li
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
- Anorectal Department, Shenzhen Bao'an Authentic TCM Therapy Hospital, Shenzhen, China
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50
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Challa B, Esnakula AK. Histologic manifestations of ocrelizumab-associated intestinal and hepatic injury in patients with multiple sclerosis. Histopathology 2024; 84:765-775. [PMID: 38114289 DOI: 10.1111/his.15120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 11/07/2023] [Accepted: 12/02/2023] [Indexed: 12/21/2023]
Abstract
AIMS Ocrelizumab is a humanized anti-CD20-monoclonal antibody that has recently been approved for the treatment of certain types of multiple sclerosis. Isolated case reports of ocrelizumab-associated colitis have been reported in the literature. We present a case series of ocrelizumab-associated intestinal injury with a focus on histopathologic features and report a case of ocrelizumab-associated hepatitis. METHODS AND RESULTS A retrospective computerized search was conducted from 03/2017 to 08/2022, which identified six patients with suspected or clinically confirmed ocrelizumab-associated intestinal injury and one patient with hepatic injury. Pertinent clinical, endoscopic, and histopathologic findings were reviewed and recorded. Seven patients (six female, one male) were identified with ages ranging from 24 to 68 years. The presenting symptoms included diarrhoea (n = 5), abdominal pain (n = 3), hematochezia (n = 2), and vomiting (n = 1), nausea (n = 1) fever (n = 1), and weight loss (n = 1). Endoscopic findings ranged from normal (n = 1) to patchy colonic inflammation with or without ulceration (n = 4) and decreased mucosal vascular pattern in the rectum (n = 1). Crohn's disease was clinically suspected in two patients and ulcerative colitis in one patient. None of the patients had a prior confirmed diagnosis of inflammatory bowel disease. Histologic patterns of initial colonic injury included acute colitis/proctitis (n = 5), and chronic active colitis (n = 1). Follow-up ranged from 1 to 3 years and 10 months. All patients were alive at follow-up. Follow-up biopsies were available for four patients and findings included focal acute colitis (n = 1), apoptotic colopathy (n = 1) lymphocytic colitis (n = 1), and normal mucosa (n = 1). Four patients were treated with steroids and ocrelizumab was discontinued in three patients. Two patients were symptomatically managed with subsequent resolution of symptoms. The liver biopsy from the patient with a marked hepatic pattern of liver enzyme elevation showed an acute hepatitis pattern of injury with prominent centrilobular necrosis, which resolved upon discontinuation of the drug and treatment with steroids and azathioprine. CONCLUSIONS The histologic manifestations of ocrelizumab-associated intestinal injury are variable and can mimic inflammatory bowel disease. Hepatic injury can rarely manifest as an acute hepatitis pattern of injury with necrosis. Identifying ocrelizumab-associated injury is paramount in determining management, which often includes discontinuation of ocrelizumab therapy, and/or administration of immunosuppressive therapy.
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Affiliation(s)
- Bindu Challa
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Ashwini Kumar Esnakula
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH, USA
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