Journal of Gastroenterology最新文献

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Alpha-fetoprotein combined with initial tumor shape irregularity in predicting the survival of patients with advanced hepatocellular carcinoma treated with immune-checkpoint inhibitors: a retrospective multi-center cohort study. 甲胎蛋白结合初始肿瘤形状不规则预测晚期肝癌患者免疫检查点抑制剂治疗的生存:一项回顾性多中心队列研究
IF 6.9 2区 医学
Journal of Gastroenterology Pub Date : 2024-12-23 DOI: 10.1007/s00535-024-02202-y
Feng Zhang, Yong-Shuai Wang, Shao-Peng Li, Bin Zhao, Nan Huang, Rui-Peng Song, Fan-Zheng Meng, Zhi-Wen Feng, Shen-Yu Zhang, Hua-Chuan Song, Xiao-Peng Chen, Lian-Xin Liu, Ji-Zhou Wang
{"title":"Alpha-fetoprotein combined with initial tumor shape irregularity in predicting the survival of patients with advanced hepatocellular carcinoma treated with immune-checkpoint inhibitors: a retrospective multi-center cohort study.","authors":"Feng Zhang, Yong-Shuai Wang, Shao-Peng Li, Bin Zhao, Nan Huang, Rui-Peng Song, Fan-Zheng Meng, Zhi-Wen Feng, Shen-Yu Zhang, Hua-Chuan Song, Xiao-Peng Chen, Lian-Xin Liu, Ji-Zhou Wang","doi":"10.1007/s00535-024-02202-y","DOIUrl":"https://doi.org/10.1007/s00535-024-02202-y","url":null,"abstract":"<p><strong>Background: </strong>Immune checkpoint inhibitors (ICIs) are playing a significant role in the treatment of hepatocellular carcinoma (HCC). This study aims to explore the prognostic value of alpha-fetoprotein (AFP) and initial tumor shape irregularity in patients treated with ICIs.</p><p><strong>Methods: </strong>In this retrospective, multi-center study, 296 HCC patients were randomly divided into the training set and the validation set in a 3:2 ratio. The training set was used to evaluate prognostic factors and to develop an easily applicable ATSI (AFP and Tumor Shape Irregularity) score, which was verified in the validation set.</p><p><strong>Results: </strong>The ATSI score was developed from two independent prognostic risk factors: baseline AFP ≥ 400 ng/ml (HR 1.73, 95% CI 1.01-2.96, P = 0.046) and initial tumor shape irregularity (HR 1.94, 95% CI 1.03-3.65, P = 0.041). The median overall survival (OS) was not reached (95% CI 28.20-NA) in patients who met no criteria (0 points), 25.8 months (95% CI 14.17-NA) in patients who met one criterion (1 point), and 17.03 months (95% CI 11.73-23.83) in patients who met two criteria (2 points) (P = 0.001). The median progression-free survival (PFS) was 10.83 months (95% CI 9.27-14.33) for 0 points, 8.03 months (95% CI 6.77-10.57) for 1 point, and 5.03 months (95% CI 3.83-9.67) for 2 points (P < 0.001). The validation set effectively verified these results (median OS, 37.43/24.27/14.03 months for 0/1/2 points, P = 0.028; median PFS, 13.93/8.30/4.90 months for 0/1/2 points, P < 0.001).</p><p><strong>Conclusions: </strong>The ATSI score can effectively predict prognosis in HCC patients receiving ICIs.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":6.9,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142877374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Importance of rectal over colon status in ulcerative colitis remission: the role of microinflammation and mucosal barrier dysfunction in relapse. 直肠在溃疡性结肠炎缓解中的重要性:微炎症和粘膜屏障功能障碍在复发中的作用。
IF 6.9 2区 医学
Journal of Gastroenterology Pub Date : 2024-12-13 DOI: 10.1007/s00535-024-02199-4
Kei Nishioka, Haruei Ogino, Eikichi Ihara, Takatoshi Chinen, Yusuke Kimura, Mitsuru Esaki, Xiaopeng Bai, Yosuke Minoda, Yoshimasa Tanaka, Masafumi Wada, Yoshitaka Hata, Yoko M Ambrosini, Yoshihiro Ogawa
{"title":"Importance of rectal over colon status in ulcerative colitis remission: the role of microinflammation and mucosal barrier dysfunction in relapse.","authors":"Kei Nishioka, Haruei Ogino, Eikichi Ihara, Takatoshi Chinen, Yusuke Kimura, Mitsuru Esaki, Xiaopeng Bai, Yosuke Minoda, Yoshimasa Tanaka, Masafumi Wada, Yoshitaka Hata, Yoko M Ambrosini, Yoshihiro Ogawa","doi":"10.1007/s00535-024-02199-4","DOIUrl":"https://doi.org/10.1007/s00535-024-02199-4","url":null,"abstract":"<p><strong>Background: </strong>Ulcerative colitis (UC) is a refractory inflammatory disease that affects the rectum and colon, with pivotal involvement of the rectal environment in relapse initiation. This study was conducted in two phases to examine the differences in gene expression between the rectum and colon and to identify relapse factors.</p><p><strong>Methods: </strong>In ***Study 1, RNA sequencing was performed on biopsies from the colon and rectum of patients with active UC, those with remission UC, and controls. In Study 2, the mucosal impedance (MI) values reflecting mucosal barrier function and the mRNA expression of tight junction proteins and inflammatory cytokines were examined in 32 patients with remission UC and 22 controls. Relapse was monitored prospectively.</p><p><strong>Results: </strong>In Study 1, comprehensive genetic analysis using RNA sequencing revealed distinct gene profiles in the rectum and sigmoid colon of patients with remission UC. The rectum of these patients exhibited an enriched immune response and apical junction phenotype with persistent upregulation of CLDN2 gene expression. In Study 2, even in patients with remission UC, the MI values in the rectum, but not in the sigmoid colon, were significantly decreased, whereas they were negatively correlated with CLDN2, IL-1β, and IL-6 expressions.</p><p><strong>Conclusion: </strong>The status of the rectum in patients with remission UC differs from that of the colon, with microinflammation and impaired mucosal barrier function, which are associated with the upregulation of CLDN2, playing a role in relapse.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":6.9,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142822103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An integrative multi-omics analysis reveals a multi-analyte signature of pancreatic ductal adenocarcinoma in serum. 一项综合多组学分析揭示了血清中胰腺导管腺癌的多分析物特征。
IF 6.9 2区 医学
Journal of Gastroenterology Pub Date : 2024-12-12 DOI: 10.1007/s00535-024-02197-6
Rex Devasahayam Arokia Balaya, Partho Sen, Caroline W Grant, Roman Zenka, Marimuthu Sappani, Jeyaseelan Lakshmanan, Arjun P Athreya, Richard K Kandasamy, Akhilesh Pandey, Seul Kee Byeon
{"title":"An integrative multi-omics analysis reveals a multi-analyte signature of pancreatic ductal adenocarcinoma in serum.","authors":"Rex Devasahayam Arokia Balaya, Partho Sen, Caroline W Grant, Roman Zenka, Marimuthu Sappani, Jeyaseelan Lakshmanan, Arjun P Athreya, Richard K Kandasamy, Akhilesh Pandey, Seul Kee Byeon","doi":"10.1007/s00535-024-02197-6","DOIUrl":"https://doi.org/10.1007/s00535-024-02197-6","url":null,"abstract":"<p><strong>Background: </strong>Pancreatic ductal adenocarcinoma (PDAC) remains a formidable health challenge due to its detection at a late stage and a lack of reliable biomarkers for early detection. Although levels of carbohydrate antigen 19-9 are often used in conjunction with imaging-based tests to aid in the diagnosis of PDAC, there is still a need for more sensitive and specific biomarkers for early detection of PDAC.</p><p><strong>Methods: </strong>We obtained serum samples from 88 subjects (patients with PDAC (n = 58) and controls (n = 30)). We carried out a multi-omics analysis to measure cytokines and related proteins using proximity extension technology and lipidomics and metabolomics using tandem mass spectrometry. Statistical analysis was carried out to find molecular alterations in patients with PDAC and a machine learning model was used to derive a molecular signature of PDAC.</p><p><strong>Results: </strong>We quantified 1,462 circulatory proteins along with 873 lipids and 1,001 metabolites. A total of 505 proteins, 186 metabolites and 33 lipids including bone marrow stromal antigen 2 (BST2), keratin 18 (KRT18), and cholesteryl ester(20:5) were found to be significantly altered in patients. We identified different levels of sphingosine, sphinganine, urobilinogen and lactose indicating that glycosphingolipid and galactose metabolisms were significantly altered in patients compared to controls. In addition, elevated levels of diacylglycerols and decreased cholesteryl esters were observed in patients. Using a machine learning model, we identified a signature of 38 biomarkers for PDAC, composed of 21 proteins, 4 lipids, and 13 metabolites.</p><p><strong>Conclusions: </strong>Overall, this study identified several proteins, metabolites and lipids involved in various pathways including cholesterol and lipid metabolism to be changing in patients. In addition, we discovered a multi-analyte signature that could be further tested for detection of PDAC.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":6.9,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142813338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Serum Mac2-binding protein glycosylated isomer (M2BPGi) as a prognostic biomarker in pancreatic ductal adenocarcinoma: iCAFs-derived M2BPGi drives tumor invasion. 血清mac2结合蛋白糖基化异构体(M2BPGi)作为胰腺导管腺癌的预后生物标志物:icafs衍生的M2BPGi驱动肿瘤侵袭
IF 6.9 2区 医学
Journal of Gastroenterology Pub Date : 2024-12-11 DOI: 10.1007/s00535-024-02195-8
Naotaka Kugiyama, Katsuya Nagaoka, Rin Yamada, Takehisa Watanabe, Hajime Yamazaki, Shinya Ushijima, Fumiya Otsuka, Yukiko Uramoto, Hajime Iwasaki, Motohiro Yoshinari, Shunpei Hashigo, Hiromitsu Hayashi, Takatsugu Ishimoto, Yoshihiro Komohara, Yasuhito Tanaka
{"title":"Serum Mac2-binding protein glycosylated isomer (M2BPGi) as a prognostic biomarker in pancreatic ductal adenocarcinoma: iCAFs-derived M2BPGi drives tumor invasion.","authors":"Naotaka Kugiyama, Katsuya Nagaoka, Rin Yamada, Takehisa Watanabe, Hajime Yamazaki, Shinya Ushijima, Fumiya Otsuka, Yukiko Uramoto, Hajime Iwasaki, Motohiro Yoshinari, Shunpei Hashigo, Hiromitsu Hayashi, Takatsugu Ishimoto, Yoshihiro Komohara, Yasuhito Tanaka","doi":"10.1007/s00535-024-02195-8","DOIUrl":"https://doi.org/10.1007/s00535-024-02195-8","url":null,"abstract":"<p><strong>Background: </strong>Pancreatic ductal adenocarcinoma (PDAC) is an aggressive malignancy with a poor prognosis. Mac2-binding protein glycosylated isomer (M2BPGi), a known biomarker for liver fibrosis, is also elevated in other fibrotic tissues. However, its role in PDAC remains unexplored. This study investigates the potential of M2BPGi as a prognostic biomarker for PDAC and elucidates its role in cancer progression.</p><p><strong>Methods: </strong>We analyzed serum M2BPGi levels in 83 PDAC patients and 60 healthy controls, examining the relationship with clinical outcomes. Tissue immunostaining and in vitro experiments were conducted to investigate M2BPGi-secreting cells and its role.</p><p><strong>Results: </strong>Serum M2BPGi levels were significantly higher in PDAC patients than in controls (0.98 vs. 0.59, p < 0.0001). Notably, elevated serum M2BPGi was associated with worse progression-free survival (144 days vs. 260 days, p = 0.017) and overall survival (OS) (245 days vs. 541 days, p < 0.001) following chemotherapy. Multivariable Cox regression analysis further confirmed that a high serum M2BPGi level is an independent risk factor for OS (HR: 2.44, 95% CI 1.26-4.74, p = 0.008). Immunostaining revealed that M2BPGi is secreted by both cancer cells and cancer-associated fibroblasts (CAFs), with high M2BP expression in CAFs correlating with poor prognosis. Furthermore, M2BPGi-secreting CAFs exhibited characteristics of inflammatory CAFs. M2BPGi directly activated mTOR signaling and epithelial-mesenchymal transition in PDAC cells, enhancing their invasive and migratory capabilities.</p><p><strong>Conclusions: </strong>Our findings identify M2BPGi as a promising prognostic biomarker for PDAC. Moreover, we demonstrate that inflammatory CAFs promote tumor invasion and contribute to poor outcomes by secreting M2BPGi, revealing a novel mechanism of PDAC progression.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":6.9,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142807435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of preceding treatment for head and neck squamous cell carcinoma on synchronous superficial esophageal squamous cell carcinoma. 头颈部鳞状细胞癌术前治疗对同步浅表性食管鳞状细胞癌的影响。
IF 6.9 2区 医学
Journal of Gastroenterology Pub Date : 2024-12-11 DOI: 10.1007/s00535-024-02201-z
Tomoya Ueda, Ryu Ishihara, Yasuhiro Tani, Yoshiaki Ando, Gentaro Tanabe, Yuta Fujimoto, Noriaki Ito, Nobutoshi Tsukuda, Kazuki Matsuyama, Muneshin Morita, Minoru Kato, Shunsuke Yoshii, Satoki Shichijo, Takashi Kanesaka, Sachiko Yamamoto, Koji Higashino, Noriya Uedo, Tomoki Michida, Takashi Fujii
{"title":"Impact of preceding treatment for head and neck squamous cell carcinoma on synchronous superficial esophageal squamous cell carcinoma.","authors":"Tomoya Ueda, Ryu Ishihara, Yasuhiro Tani, Yoshiaki Ando, Gentaro Tanabe, Yuta Fujimoto, Noriaki Ito, Nobutoshi Tsukuda, Kazuki Matsuyama, Muneshin Morita, Minoru Kato, Shunsuke Yoshii, Satoki Shichijo, Takashi Kanesaka, Sachiko Yamamoto, Koji Higashino, Noriya Uedo, Tomoki Michida, Takashi Fujii","doi":"10.1007/s00535-024-02201-z","DOIUrl":"https://doi.org/10.1007/s00535-024-02201-z","url":null,"abstract":"<p><strong>Background: </strong>Patients with esophageal squamous cell carcinoma (ESCC) frequently develop synchronous head and neck squamous cell carcinoma (HNSCC). With advances in endoscopic technology and widespread screening of synchronous cancers, the detection of synchronous HNSCC and superficial ESCC (SESCC) is increasing. We aimed to evaluate the impact of preceding HNSCC treatment on synchronous SESCC.</p><p><strong>Methods: </strong>This single-center retrospective study enrolled patients with synchronous HNSCC and SESCC who were treated between January 2010 and December 2023. Tumor size and depth of SESCC before and after HNSCC treatment were evaluated. The factors associated with SESCC progression were investigated.</p><p><strong>Results: </strong>Of the 299 patients with synchronous HNSCC and SESCC, 134 who underwent preceding HNSCC treatment with follow-up esophagogastroduodenoscopy (EGD) for SESCC were evaluated. Chemoradiotherapy was the most common treatment for HNSCC (56.0%), followed by surgery (17.2%), radiotherapy (14.9%), local resection (7.5%), and chemotherapy (4.5%). The tumor size of SESCC increased after HNSCC treatment in 18 patients (13.4%). Multivariate analysis revealed that an EGD interval of ≥ 120 days was significantly associated with increased tumor size in SESCC (odds ratio, 6.64; 95% confidence interval, 1.91-23.1). Tumor regrowth was observed in 70.6% of SESCCs that shrank with HNSCC treatment, mostly within six months. Tumor depth aggravation was rare (2.2%), but progression to advanced ESCC was observed in two patients.</p><p><strong>Conclusions: </strong>Timely endoscopic follow-up, preferably within 120 days, is crucial for managing synchronous SESCC after HNSCC treatment to prevent tumor progression. Tumor regrowth should be monitored when SESCC shrinks with HNSCC treatment.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":6.9,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142807430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Response to letter to the editor regarding: "Alcohol-associated liver disease increases the risk of muscle reduction and mortality in patients with cirrhosis". 回复致编辑的信,内容涉及"酒精相关肝病会增加肝硬化患者肌肉萎缩和死亡的风险"。
IF 6.9 2区 医学
Journal of Gastroenterology Pub Date : 2024-12-01 Epub Date: 2024-10-04 DOI: 10.1007/s00535-024-02153-4
Tatsunori Hanai, Kayoko Nishimura, Shinji Unome, Takao Miwa, Yuki Nakahata, Kenji Imai, Atsushi Suetsugu, Koji Takai, Masahito Shimizu
{"title":"Response to letter to the editor regarding: \"Alcohol-associated liver disease increases the risk of muscle reduction and mortality in patients with cirrhosis\".","authors":"Tatsunori Hanai, Kayoko Nishimura, Shinji Unome, Takao Miwa, Yuki Nakahata, Kenji Imai, Atsushi Suetsugu, Koji Takai, Masahito Shimizu","doi":"10.1007/s00535-024-02153-4","DOIUrl":"10.1007/s00535-024-02153-4","url":null,"abstract":"","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":"1144-1145"},"PeriodicalIF":6.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142372056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Immunological dynamics in MASH: from landscape analysis to therapeutic intervention. MASH 的免疫动态:从景观分析到治疗干预。
IF 6.9 2区 医学
Journal of Gastroenterology Pub Date : 2024-12-01 Epub Date: 2024-10-14 DOI: 10.1007/s00535-024-02157-0
Lawan Rabiu, Pengchao Zhang, Lukman O Afolabi, Muhammad A Saliu, Salisu M Dabai, Rabiatu B Suleiman, Khalid I Gidado, Mark A Ige, Abdulrahman Ibrahim, Guizhong Zhang, Xiaochun Wan
{"title":"Immunological dynamics in MASH: from landscape analysis to therapeutic intervention.","authors":"Lawan Rabiu, Pengchao Zhang, Lukman O Afolabi, Muhammad A Saliu, Salisu M Dabai, Rabiatu B Suleiman, Khalid I Gidado, Mark A Ige, Abdulrahman Ibrahim, Guizhong Zhang, Xiaochun Wan","doi":"10.1007/s00535-024-02157-0","DOIUrl":"10.1007/s00535-024-02157-0","url":null,"abstract":"<p><p>Metabolic dysfunction-associated steatohepatitis (MASH), previously known as nonalcoholic steatohepatitis (NASH), is a multifaceted liver disease characterized by inflammation and fibrosis that develops from simple steatosis. Immune and inflammatory pathways have a central role in the pathogenesis of MASH, yet, how to target immune pathways to treat MASH remains perplexed. This review emphasizes the intricate role that immune cells play in the etiology and pathophysiology of MASH and highlights their significance as targets for therapeutic approaches. It discusses both current strategies and novel therapies aimed at modulating the immune response in MASH. It also highlights challenges in liver-specific drug delivery, potential off-target effects, and difficulties in targeting diverse immune cell populations within the liver. This review is a comprehensive resource that integrates current knowledge with future perspectives in the evolving field of MASH, with the goal of driving forward progress in medical therapies designed to treat this complex liver disease.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":"1053-1078"},"PeriodicalIF":6.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142467525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Small extracellular vesicles derived from adipose mesenchymal stem cells alleviate intestinal fibrosis by inhibiting the FAK/Akt signaling pathway via MFGE8. 源自脂肪间充质干细胞的小细胞外囊泡通过MFGE8抑制FAK/Akt信号通路,从而缓解肠纤维化。
IF 6.9 2区 医学
Journal of Gastroenterology Pub Date : 2024-12-01 Epub Date: 2024-09-21 DOI: 10.1007/s00535-024-02152-5
Zhizhong Xiong, Xianzhe Li, Minghao Xie, Jianping Guo, Shi Yin, Dayin Huang, Longyang Jin, Caiqin Wang, Fengxiang Zhang, Chaobin Mao, Huaxian Chen, Dandong Luo, Haijie Tang, Xijie Chen, Lei Lian
{"title":"Small extracellular vesicles derived from adipose mesenchymal stem cells alleviate intestinal fibrosis by inhibiting the FAK/Akt signaling pathway via MFGE8.","authors":"Zhizhong Xiong, Xianzhe Li, Minghao Xie, Jianping Guo, Shi Yin, Dayin Huang, Longyang Jin, Caiqin Wang, Fengxiang Zhang, Chaobin Mao, Huaxian Chen, Dandong Luo, Haijie Tang, Xijie Chen, Lei Lian","doi":"10.1007/s00535-024-02152-5","DOIUrl":"10.1007/s00535-024-02152-5","url":null,"abstract":"<p><strong>Background: </strong>Intestinal fibrosis is one of the most frequent and severe complications of Crohn's disease. Accumulating studies have reported that adipose mesenchymal stem cell-derived small extracellular vesicles (AMSC-sEVs) could alleviate renal fibrosis, hepatic fibrosis, etc., while their potential for treating intestinal fibrosis remains uncertain. Therefore, this study aims to determine the therapeutic effects of AMSC-sEVs on intestinal fibrosis and identify the mechanisms underlying these effects.</p><p><strong>Methods: </strong>AMSC-sEVs were characterized using transmission electron microscopy, nanoparticle tracking analysis, and western blot. Whether AMSC-sEVs exert antifibrotic effects was investigated in two different murine models of intestinal fibrosis. Besides, AMSC-sEVs were co-cultured with primary human fibroblasts and CCD18co during transforming growth factor (TGF)-β1 stimulation. Label-free proteomics and rescue experiments were performed to identify candidate molecules in AMSC-sEVs. Transcriptome sequencing revealed changes in mRNA levels among different groups. Lastly, proteins related to relevant signaling pathways were identified by western blotting, and their expression and activation status were assessed.</p><p><strong>Results: </strong>AMSC-sEVs positively expressed CD63 and Alix and presented a classical \"rim of a cup\" and granule shape with approximately 43-100 nm diameter. AMSCs significantly alleviated intestinal fibrosis through secreted sEVs in vitro and in vivo. The milk fat globule-EGF factor 8 (MFGE8) was stably enriched in AMSC-sEVs and was an active compound contributing to the treatment of intestinal fibrosis by AMSCs. Mechanistically, AMSC-sEV-based therapies attenuated intestinal fibrosis by inhibiting the FAK/Akt signaling pathway.</p><p><strong>Conclusions: </strong>MFGE8-containing AMSC-sEVs attenuate intestinal fibrosis, partly through FAK/Akt pathway inhibition.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":"1092-1106"},"PeriodicalIF":6.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142289275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Association of circulating cytokine levels and tissue-infiltrating myeloid cells with achalasia: results from Mendelian randomization and validation through clinical characteristics and single-cell RNA sequencing. 循环细胞因子水平和组织浸润髓系细胞与贲门失弛缓症的关系:孟德尔随机分析的结果以及临床特征和单细胞 RNA 测序的验证。
IF 6.9 2区 医学
Journal of Gastroenterology Pub Date : 2024-12-01 Epub Date: 2024-10-08 DOI: 10.1007/s00535-024-02155-2
Xin-Yue Li, An-Yi Xiang, Xin-Yang Liu, Ke-Hao Wang, Yun Wang, Hai-Ting Pan, Ji-Yuan Zhang, Lu Yao, Zu-Qiang Liu, Jia-Qi Xu, Xiao-Qing Li, Zhao-Chao Zhang, Wei-Feng Chen, Ping-Hong Zhou, Quan-Lin Li
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引用次数: 0
Alcohol-associated liver disease increases the risk of muscle loss and mortality in patients with cirrhosis. 酒精相关肝病会增加肝硬化患者肌肉萎缩和死亡的风险。
IF 6.9 2区 医学
Journal of Gastroenterology Pub Date : 2024-12-01 Epub Date: 2024-09-23 DOI: 10.1007/s00535-024-02154-3
Izadora Luiza Kunzler, Marco Antônio Da Croce, Fernando Fornari
{"title":"Alcohol-associated liver disease increases the risk of muscle loss and mortality in patients with cirrhosis.","authors":"Izadora Luiza Kunzler, Marco Antônio Da Croce, Fernando Fornari","doi":"10.1007/s00535-024-02154-3","DOIUrl":"10.1007/s00535-024-02154-3","url":null,"abstract":"","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":"1143"},"PeriodicalIF":6.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142289274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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