1
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Sun B, Sun Y, Sun Y, Zhou X, Han X, Han Y, Ma Q. Leucine Supplementation Modulates Lipid Metabolism and Inflammation in Early Weaning Piglets. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 38842880 DOI: 10.1021/acs.jafc.4c00554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
Early weaning can induce the programmed dysregulation of glycolipid metabolism and inflammation in adult animals. The primary objective of this study was to evaluate the efficacy of leucine supplementation administered promptly after early weaning in mitigating these adverse effects in piglets. At day 21, 24 piglets were randomly selected and divided into 3 groups: EW group where the piglets were weaned at day 21 and fed basal diet, EWL group where the piglets were weaned at day 21 and fed the basal diet with supplementation of 1% leucine, and C group where the piglets were fed basal diet and weaned at 28 days. Each group contained eight replicates, with one piglet per replicate. The results indicated that early weaning had an impact on gut health and could activate the inhibitor of the kappa B kinase gamma/inhibitor kappa B alpha/NF-kappa-B (IKKγ/IκBα/NF-κB) signaling pathway to ameliorate pro-inflammatory factor and apoptosis levels. Furthermore, early weaning reduced the activity of fatty acid β oxidation (FAβO) and affected genes linked with lipid metabolism. Supplementing with leucine can improve the effects of these factors. In summary, leucine may alleviate the influences of early weaning on the lipid metabolism and inflammation in piglets.
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Affiliation(s)
- Bo Sun
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Yuchen Sun
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Yutong Sun
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Xinbo Zhou
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Xuesong Han
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Yixin Han
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Qingquan Ma
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
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2
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Cao Q, Deng R, Pan Y, Liu R, Chen Y, Gong G, Zou J, Yang H, Han D. Robotic wireless capsule endoscopy: recent advances and upcoming technologies. Nat Commun 2024; 15:4597. [PMID: 38816464 PMCID: PMC11139981 DOI: 10.1038/s41467-024-49019-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 05/21/2024] [Indexed: 06/01/2024] Open
Abstract
Wireless capsule endoscopy (WCE) offers a non-invasive evaluation of the digestive system, eliminating the need for sedation and the risks associated with conventional endoscopic procedures. Its significance lies in diagnosing gastrointestinal tissue irregularities, especially in the small intestine. However, existing commercial WCE devices face limitations, such as the absence of autonomous lesion detection and treatment capabilities. Recent advancements in micro-electromechanical fabrication and computational methods have led to extensive research in sophisticated technology integration into commercial capsule endoscopes, intending to supersede wired endoscopes. This Review discusses the future requirements for intelligent capsule robots, providing a comparative evaluation of various methods' merits and disadvantages, and highlighting recent developments in six technologies relevant to WCE. These include near-field wireless power transmission, magnetic field active drive, ultra-wideband/intrabody communication, hybrid localization, AI-based autonomous lesion detection, and magnetic-controlled diagnosis and treatment. Moreover, we explore the feasibility for future "capsule surgeons".
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Affiliation(s)
- Qing Cao
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, China
- School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Runyi Deng
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, China
- School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yue Pan
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, China
- School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Ruijie Liu
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, China
- School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yicheng Chen
- Sir Run-Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, 310016, China
| | - Guofang Gong
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, China
- School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jun Zou
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, China
- School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Huayong Yang
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, China
- School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Dong Han
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, China.
- School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China.
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3
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Wu R, Xu J, Zeng H, Fan Y, Li H, Peng T, Xiao F. Golden bifid treatment regulates gut microbiota and serum metabolites to improve myocardial dysfunction in cecal ligation and puncture-induced sepsis mice. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167049. [PMID: 38301856 DOI: 10.1016/j.bbadis.2024.167049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 01/07/2024] [Accepted: 01/25/2024] [Indexed: 02/03/2024]
Abstract
Myocardial damage is a major consequence and a significant contributor to death in cases of sepsis, a severe infection characterized by a distinct inflammatory response and a potential threat to the patient's life. Recently, the effects of intestinal microbiota and serum metabolites on sepsis have garnered increasing attention. Herein, the effects of golden bifid treatment upon cecal ligation and puncture (CLP)-induced sepsis in mice as a model for myocardial dysfunction were explored. Our results demonstrated that golden bifid treatment partially improved myocardial dysfunction and apoptosis, cardiac inflammation and oxidative stress, and intestinal mucosal permeability and barrier dysfunction in CLP-induced sepsis mice. The intestinal microbiota diversity and abundance were also altered within sepsis mice and improved by golden bifid treatment. Mucispirillum schaedleri, Acinetobacter baumannii and Lactobacullus intestinalis were significantly correlated with heart damage markers, inflammatory factors, or oxidative stress indicators. Serum differential metabolite levels were also significantly correlated with these parameters. Altogether, golden bifid treatment might be an underlying approach for treating sepsis-induced myocardial dysfunction and highlight the underlying effect of intestinal microbiota and serum metabolites on the pathogenesis and treatment of sepsis-triggered myocardial dysfunction.
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Affiliation(s)
- Rui Wu
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Junmei Xu
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Hua Zeng
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Yongmei Fan
- Department of Rehabilitation, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Hui Li
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Tian Peng
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Feng Xiao
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha 410011, China.
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4
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Sun Y, Zhang W, Gu J, Xia L, Cao Y, Zhu X, Wen H, Ouyang S, Liu R, Li J, Jiang Z, Cheng D, Lv Y, Han X, Qiu W, Cai K, Song E, Cao Q, Li L. Magnetically driven capsules with multimodal response and multifunctionality for biomedical applications. Nat Commun 2024; 15:1839. [PMID: 38424039 PMCID: PMC10904804 DOI: 10.1038/s41467-024-46046-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 02/12/2024] [Indexed: 03/02/2024] Open
Abstract
Untethered capsules hold clinical potential for the diagnosis and treatment of gastrointestinal diseases. Although considerable progress has been achieved recently in this field, the constraints imposed by the narrow spatial structure of the capsule and complex gastrointestinal tract environment cause many open-ended problems, such as poor active motion and limited medical functions. In this work, we describe the development of small-scale magnetically driven capsules with a distinct magnetic soft valve made of dual-layer ferromagnetic soft composite films. A core technological advancement achieved is the flexible opening and closing of the magnetic soft valve by using the competitive interactions between magnetic gradient force and magnetic torque, laying the foundation for the functional integration of both drug release and sampling. Meanwhile, we propose a magnetic actuation strategy based on multi-frequency response control and demonstrate that it can achieve effective decoupled regulation of the capsule's global motion and local responses. Finally, through a comprehensive approach encompassing ideal models, animal ex vivo models, and in vivo assessment, we demonstrate the versatility of the developed magnetic capsules and their multiple potential applications in the biomedical field, such as targeted drug delivery and sampling, selective dual-drug release, and light/thermal-assisted therapy.
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Affiliation(s)
- Yuxuan Sun
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China
- State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Wang Zhang
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China
- State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Junnan Gu
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Liangyu Xia
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China
- State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Yinghao Cao
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xinhui Zhu
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China
- State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Hao Wen
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China
- State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Shaowei Ouyang
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China
- State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Ruiqi Liu
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China
- State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Jialong Li
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China
- State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Zhenxing Jiang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Denglong Cheng
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yiliang Lv
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China
- State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xiaotao Han
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China
- State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Wu Qiu
- School of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Kailin Cai
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Enmin Song
- School of Computer and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Quanliang Cao
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China.
- State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Liang Li
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China.
- State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
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5
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Cao Y, Xia H, Tan X, Shi C, Ma Y, Meng D, Zhou M, Lv Z, Wang S, Jin Y. Intratumoural microbiota: a new frontier in cancer development and therapy. Signal Transduct Target Ther 2024; 9:15. [PMID: 38195689 PMCID: PMC10776793 DOI: 10.1038/s41392-023-01693-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 09/20/2023] [Accepted: 10/24/2023] [Indexed: 01/11/2024] Open
Abstract
Human microorganisms, including bacteria, fungi, and viruses, play key roles in several physiological and pathological processes. Some studies discovered that tumour tissues once considered sterile actually host a variety of microorganisms, which have been confirmed to be closely related to oncogenesis. The concept of intratumoural microbiota was subsequently proposed. Microbiota could colonise tumour tissues through mucosal destruction, adjacent tissue migration, and hematogenic invasion and affect the biological behaviour of tumours as an important part of the tumour microenvironment. Mechanistic studies have demonstrated that intratumoural microbiota potentially promote the initiation and progression of tumours by inducing genomic instability and mutations, affecting epigenetic modifications, promoting inflammation response, avoiding immune destruction, regulating metabolism, and activating invasion and metastasis. Since more comprehensive and profound insights about intratumoral microbiota are continuously emerging, new methods for the early diagnosis and prognostic assessment of cancer patients have been under examination. In addition, interventions based on intratumoural microbiota show great potential to open a new chapter in antitumour therapy, especially immunotherapy, although there are some inevitable challenges. Here, we aim to provide an extensive review of the concept, development history, potential sources, heterogeneity, and carcinogenic mechanisms of intratumoural microorganisms, explore the potential role of microorganisms in tumour prognosis, and discuss current antitumour treatment regimens that target intratumoural microorganisms and the research prospects and limitations in this field.
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Affiliation(s)
- Yaqi Cao
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Respiratory Diseases of National Health Commission, State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
- Hubei Province Engineering Research Center for Tumour-Targeted Biochemotherapy, MOE Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
- Hubei Province Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
| | - Hui Xia
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Respiratory Diseases of National Health Commission, State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
- Hubei Province Engineering Research Center for Tumour-Targeted Biochemotherapy, MOE Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
- Hubei Province Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
| | - Xueyun Tan
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Respiratory Diseases of National Health Commission, State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
- Hubei Province Engineering Research Center for Tumour-Targeted Biochemotherapy, MOE Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
- Hubei Province Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
| | - Chunwei Shi
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
| | - Yanling Ma
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Respiratory Diseases of National Health Commission, State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
| | - Daquan Meng
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Respiratory Diseases of National Health Commission, State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
| | - Mengmeng Zhou
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Respiratory Diseases of National Health Commission, State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
| | - Zhilei Lv
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Respiratory Diseases of National Health Commission, State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
| | - Sufei Wang
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Respiratory Diseases of National Health Commission, State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China.
- Hubei Province Engineering Research Center for Tumour-Targeted Biochemotherapy, MOE Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China.
- Hubei Province Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China.
| | - Yang Jin
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Respiratory Diseases of National Health Commission, State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China.
- Hubei Province Engineering Research Center for Tumour-Targeted Biochemotherapy, MOE Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China.
- Hubei Province Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China.
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6
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Ho AHY, Lui RN. The current and future clinical applications of capsule endoscopy. J Gastroenterol Hepatol 2024; 39:28-33. [PMID: 38238541 DOI: 10.1111/jgh.16490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 01/04/2024] [Indexed: 01/31/2024]
Affiliation(s)
- Agnes H Y Ho
- Division of Gastroenterology and Hepatology, Department of Medicine and Therapeutics, Prince of Wales Hospital, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Rashid N Lui
- Division of Gastroenterology and Hepatology, Department of Medicine and Therapeutics, Prince of Wales Hospital, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
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7
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Rehan M, Al-Bahadly I, Thomas DG, Young W, Cheng LK, Avci E. Smart capsules for sensing and sampling the gut: status, challenges and prospects. Gut 2023; 73:186-202. [PMID: 37734912 PMCID: PMC10715516 DOI: 10.1136/gutjnl-2023-329614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 08/26/2023] [Indexed: 09/23/2023]
Abstract
Smart capsules are developing at a tremendous pace with a promise to become effective clinical tools for the diagnosis and monitoring of gut health. This field emerged in the early 2000s with a successful translation of an endoscopic capsule from laboratory prototype to a commercially viable clinical device. Recently, this field has accelerated and expanded into various domains beyond imaging, including the measurement of gut physiological parameters such as temperature, pH, pressure and gas sensing, and the development of sampling devices for better insight into gut health. In this review, the status of smart capsules for sensing gut parameters is presented to provide a broad picture of these state-of-the-art devices while focusing on the technical and clinical challenges the devices need to overcome to realise their value in clinical settings. Smart capsules are developed to perform sensing operations throughout the length of the gut to better understand the body's response under various conditions. Furthermore, the prospects of such sensing devices are discussed that might help readers, especially health practitioners, to adapt to this inevitable transformation in healthcare. As a compliment to gut sensing smart capsules, significant amount of effort has been put into the development of robotic capsules to collect tissue biopsy and gut microbiota samples to perform in-depth analysis after capsule retrieval which will be a game changer for gut health diagnosis, and this advancement is also covered in this review. The expansion of smart capsules to robotic capsules for gut microbiota collection has opened new avenues for research with a great promise to revolutionise human health diagnosis, monitoring and intervention.
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Affiliation(s)
- Muhammad Rehan
- Department of Electronic Engineering, Sir Syed University of Engineering & Technology, Karachi, Pakistan
| | - Ibrahim Al-Bahadly
- Department of Mechanical and Electrical Engineering, Massey University, Palmerston North, New Zealand
| | - David G Thomas
- School of Agriculture and Environment, Massey University, Palmerston North, New Zealand
| | - Wayne Young
- AgResearch Ltd, Palmerston North, New Zealand
| | - Leo K Cheng
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
- Riddet Institute, Massey University, Palmerston North, New Zealand
| | - Ebubekir Avci
- Department of Mechanical and Electrical Engineering, Massey University, Palmerston North, New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington, New Zealand
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8
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Yang KY, Fang YJ, Karmakar R, Mukundan A, Tsao YM, Huang CW, Wang HC. Assessment of Narrow Band Imaging Algorithm for Video Capsule Endoscopy Based on Decorrelated Color Space for Esophageal Cancer. Cancers (Basel) 2023; 15:4715. [PMID: 37835409 PMCID: PMC10571786 DOI: 10.3390/cancers15194715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/15/2023] [Accepted: 09/24/2023] [Indexed: 10/15/2023] Open
Abstract
Video capsule endoscopy (VCE) is increasingly used to decrease discomfort among patients owing to its small size. However, VCE has a major drawback of not having narrow band imaging (NBI) functionality. The current VCE has the traditional white light imaging (WLI) only, which has poor performance in the computer-aided detection (CAD) of different types of cancer compared to NBI. Specific cancers, such as esophageal cancer (EC), do not exhibit any early biomarkers, making their early detection difficult. In most cases, the symptoms are unnoticeable, and EC is diagnosed only in later stages, making its 5-year survival rate below 20% on average. NBI filters provide particular wavelengths that increase the contrast and enhance certain features of the mucosa, thereby enabling early identification of EC. However, VCE does not have a slot for NBI functionality because its size cannot be increased. Hence, NBI image conversion from WLI can presently only be achieved in post-processing. In this study, a complete arithmetic assessment of the decorrelated color space was conducted to generate NBI images from WLI images for VCE of the esophagus. Three parameters, structural similarity index metric (SSIM), entropy, and peak-signal-to-noise ratio (PSNR), were used to assess the simulated NBI images. Results show the good performance of the NBI image reproduction method with SSIM, entropy difference, and PSNR values of 93.215%, 4.360, and 28.064 dB, respectively.
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Affiliation(s)
- Kai-Yao Yang
- Department of Medical Material Research, Kaohsiung Armed Forces General Hospital, 2, Zhongzheng 1st. Rd., Lingya District, Kaohsiung City 80284, Taiwan;
| | - Yu-Jen Fang
- Department of Internal Medicine, National Taiwan University Hospital, Yun-Lin Branch, No. 579, Sec. 2, Yunlin Rd., Dou-Liu 64041, Taiwan;
- Department of Internal Medicine, National Taiwan University College, No. 1 Jen Ai Rd. Sec. 1, Taipei 10051, Taiwan
| | - Riya Karmakar
- Department of Mechanical Engineering, National Chung Cheng University, 168, University Rd., Min Hsiung, Chiayi 62102, Taiwan; (R.K.); (A.M.); (Y.-M.T.)
| | - Arvind Mukundan
- Department of Mechanical Engineering, National Chung Cheng University, 168, University Rd., Min Hsiung, Chiayi 62102, Taiwan; (R.K.); (A.M.); (Y.-M.T.)
| | - Yu-Ming Tsao
- Department of Mechanical Engineering, National Chung Cheng University, 168, University Rd., Min Hsiung, Chiayi 62102, Taiwan; (R.K.); (A.M.); (Y.-M.T.)
| | - Chien-Wei Huang
- Department of Medical Material Research, Kaohsiung Armed Forces General Hospital, 2, Zhongzheng 1st. Rd., Lingya District, Kaohsiung City 80284, Taiwan;
- Department of Nursing, Tajen University, 20, Weixin Rd., Yanpu Township, Pingtung 90741, Taiwan
| | - Hsiang-Chen Wang
- Department of Mechanical Engineering, National Chung Cheng University, 168, University Rd., Min Hsiung, Chiayi 62102, Taiwan; (R.K.); (A.M.); (Y.-M.T.)
- Department of Medical Research, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, No. 2, Minsheng Road, Dalin, Chiayi 62247, Taiwan
- Hitspectra Intelligent Technology Co., Ltd., 4F, No.2, Fuxing 4th Rd., Qianzhen District, Kaohsiung City 80661, Taiwan
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9
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Wan X, Yang Q, Wang X, Bai Y, Liu Z. Isolation and Cultivation of Human Gut Microorganisms: A Review. Microorganisms 2023; 11:microorganisms11041080. [PMID: 37110502 PMCID: PMC10141110 DOI: 10.3390/microorganisms11041080] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/12/2023] [Accepted: 04/19/2023] [Indexed: 04/29/2023] Open
Abstract
Microbial resources from the human gut may find use in various applications, such as empirical research on the microbiome, the development of probiotic products, and bacteriotherapy. Due to the development of "culturomics", the number of pure bacterial cultures obtained from the human gut has significantly increased since 2012. However, there is still a considerable number of human gut microbes to be isolated and cultured. Thus, to improve the efficiency of obtaining microbial resources from the human gut, some constraints of the current methods, such as labor burden, culture condition, and microbial targetability, still need to be optimized. Here, we overview the general knowledge and recent development of culturomics for human gut microorganisms. Furthermore, we discuss the optimization of several parts of culturomics including sample collection, sample processing, isolation, and cultivation, which may improve the current strategies.
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Affiliation(s)
- Xuchun Wan
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Qianqian Yang
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Xiangfeng Wang
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yun Bai
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhi Liu
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
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10
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Shi H, Pang S, Ming F, Yangdai T, Tian S, Lin R. A novel intelligent chromo capsule endoscope for the diagnosis of neoplastic lesions in the gastrointestinal tract. Gastroenterol Rep (Oxf) 2023; 11:goad021. [PMID: 37091502 PMCID: PMC10118998 DOI: 10.1093/gastro/goad021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 03/15/2023] [Accepted: 03/16/2023] [Indexed: 04/25/2023] Open
Abstract
Background Chromoendoscopy has not been fully integrated into capsule endoscopy. This study aimded to develop and validate a novel intelligent chromo capsule endoscope (ICCE). Methods The ICCE has two modes: a white-light imaging (WLI) mode and an intelligent chromo imaging (ICI) mode. The performance of the ICCE in observing colors, animal tissues, and early gastrointestinal (GI) neoplastic lesions in humans was evaluated. Images captured by the ICCE were analysed using variance of Laplacian (VoL) values or image contrast evaluation. Results For color observation, conventional narrow-band imaging endoscopes and the ICI mode of the ICCE have similar spectral distributions. Compared with the WLI mode, the ICI mode had significantly higher VoL values for animal tissues (2.154 ± 1.044 vs 3.800 ± 1.491, P = 0.003), gastric precancerous lesions and early gastric cancers (2.242 ± 0.162 vs 6.642 ± 0.919, P < 0.001), and colon tumors (3.896 ± 1.430 vs 11.882 ± 7.663, P < 0.001), and significantly higher contrast for differentiating tumor and non-tumor areas (0.069 ± 0.046 vs 0.144 ± 0.076, P = 0.005). More importantly, the sensitivity, specificity, and accuracy of the ICI mode for early GI tumors were 95.83%, 91.67%, and 94.64%, respectively, which were significantly higher than the values of the WLI mode (78.33% [P < 0.001], 77.08% [P = 0.01], and 77.98% [P < 0.001], respectively). Conclusions We successfully integrated ICI into the capsule endoscope. The ICCE is an innovative and useful tool for differential diagnosis based on contrast-enhanced images and thus has great potential as a superior diagnostic tool for early GI tumor detection.
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Affiliation(s)
| | | | - Fanhua Ming
- Ankon Technologies Co., Ltd, Wuhan, Hubei, P. R. China
| | | | - Shuxin Tian
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P. R. China
- Department of Gastroenterology, The First Affiliated Hospital of Medical College, Shihezi University, Shihezi, Xinjiang, P. R. China
| | - Rong Lin
- Corresponding author. Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, P. R. China. Tel: +86-27-85726085;
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11
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Microbiota-host crosstalk in the newborn and adult rumen at single-cell resolution. BMC Biol 2022; 20:280. [PMID: 36514051 PMCID: PMC9749198 DOI: 10.1186/s12915-022-01490-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 12/01/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The rumen is the hallmark organ of ruminants, playing a vital role in their nutrition and providing products for humans. In newborn suckling ruminants milk bypasses the rumen, while in adults this first chamber of the forestomach has developed to become the principal site of microbial fermentation of plant fibers. With the advent of single-cell transcriptomics, it is now possible to study the underlying cell composition of rumen tissues and investigate how this relates the development of mutualistic symbiosis between the rumen and its epithelium-attached microbes. RESULTS We constructed a comprehensive cell landscape of the rumen epithelium, based on single-cell RNA sequencing of 49,689 high-quality single cells from newborn and adult rumen tissues. Our single-cell analysis identified six immune cell subtypes and seventeen non-immune cell subtypes of the rumen. On performing cross-species analysis of orthologous genes expressed in epithelial cells of cattle rumen and the human stomach and skin, we observed that the species difference overrides any cross-species cell-type similarity. Comparing adult with newborn cattle samples, we found fewer epithelial cell subtypes and more abundant immune cells, dominated by T helper type 17 cells in the rumen tissue of adult cattle. In newborns, there were more fibroblasts and myofibroblasts, an IGFBP3+ epithelial cell subtype not seen in adults, while dendritic cells were the most prevalent immune cell subtype. Metabolism-related functions and the oxidation-reduction process were significantly upregulated in adult rumen epithelial cells. Using 16S rDNA sequencing, fluorescence in situ hybridization, and absolute quantitative real-time PCR, we found that epithelial Desulfovibrio was significantly enriched in the adult cattle. Integrating the microbiome and metabolome analysis of rumen tissues revealed a high co-occurrence probability of Desulfovibrio with pyridoxal in the adult cattle compared with newborn ones while the scRNA-seq data indicated a stronger ability of pyroxidal binding in the adult rumen epithelial cell subtypes. These findings indicate that Desulfovibrio and pyridoxal likely play important roles in maintaining redox balance in the adult rumen. CONCLUSIONS Our integrated multi-omics analysis provides novel insights into rumen development and function and may facilitate the future precision improvement of rumen function and milk/meat production in cattle.
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12
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ACSL4 is essential for radiation-induced intestinal injury by initiating ferroptosis. Cell Death Discov 2022; 8:332. [PMID: 35869042 PMCID: PMC9307849 DOI: 10.1038/s41420-022-01127-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 07/07/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
Lipid peroxidation-induced ferroptosis is a newly recognized type of programmed cell death. With the method of RNA sequencing, we found that irradiation (IR) markedly increased the expression of ferroptosis promotive genes, whereas reduced the expression of ferroptosis suppressive genes in murine intestine tissues, when compared with those of liver and lung tissues. By using ferroptosis inducer RSL-3 and inhibitor liproxstatin-1, we found that ferroptosis is essential for IR-induced intestinal injury. Acyl-CoA Synthetase Long-Chain Family Member 4 (ACSL4) is an important component for ferroptosis execution, and we found that ACSL4 expression was significantly upregulated in irradiated intestine tissues, but not in liver or lung tissues. Antibacterial and antifungal regents reduced the expression of ASCL4 and protected against tissue injury in irradiated intestine tissues. Further studies showed that troglitazone, a ACSL4 inhibitor, succeeded to suppresses intestine lipid peroxidation and tissue damage after IR.
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13
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Nejati S, Wang J, Sedaghat S, Balog NK, Long AM, Rivera UH, Kasi V, Park K, Johnson JS, Verma MS, Rahimi R. Smart capsule for targeted proximal colon microbiome sampling. Acta Biomater 2022; 154:83-96. [PMID: 36162763 PMCID: PMC9986838 DOI: 10.1016/j.actbio.2022.09.050] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 09/03/2022] [Accepted: 09/19/2022] [Indexed: 12/14/2022]
Abstract
The gastrointestinal (GI) tract, particularly the colon region, holds a highly diverse microbial community that plays an important role in the metabolism, physiology, nutrition, and immune function of the host body. Accumulating evidence has revealed that alteration in these microbial communities is the pivotal step in developing various metabolic diseases, including obesity, inflammatory bowel disease (IBD), and colorectal cancer. However, there is still a lack of clear understanding of the interrelationship between microbiota and diet as well as the effectiveness of chemoprevention strategies, including pre and probiotic agents in modifying the colonic microbiota and preventing digestive diseases. Existing methods for assessing these microbiota-diet interactions are often based on samples collected from the feces or endoscopy techniques which are incapable of providing information on spatial variations of the gut microbiota or are considered invasive procedures. To address this need, here we have developed an electronic-free smart capsule that enables site-specific sampling of the gut microbiome within the proximal colon region of the GI tract. The 3D printed device houses a superabsorbent hydrogel bonded onto a flexible polydimethylsiloxane (PDMS) disk that serves as a milieu to collect the fluid in the gut lumen and its microbiome by rapid swelling and providing the necessary mechanical actuation to close the capsule after the sampling is completed. The targeted colonic sampling is achieved by coating the sampling aperture on the capsule with a double-layer pH-sensitive enteric coating, which delays fluid in the lumen from entering the capsule until it reaches the proximal colon of the GI tract. To identify the appropriate pH-responsive double-layer coating and processing condition, a series of systematic dissolution characterizations in different pH conditions that mimicked the GI tract was conducted. The effective targeted microbial sampling performance and preservation of the smart capsule with the optimized design were validated using both realistic in vitro GI tract models with mixed bacteria cultures and in vivo with pigs as an animal model. The results from 16s rRNA and WideSeq analysis in both in vitro and in vivo studies showed that the bacterial population sampled within the retrieved capsule closely matched the bacterial population within the targeted sampling region (proximal colon). Herein, it is envisioned that such smart sampling capsule technology will provide new avenues for gastroenterological research and clinical applications, including diet-host-microbiome relationships, focused on human GI function and health. STATEMENT OF SIGNIFICANCE: The colonic microbiota plays a major role in the etiology of numerous diseases. Extensive efforts have been conducted to monitor the gut microbiome using sequencing technologies based on samples collected from feces or mucosal biopsies that are typically obtained by colonoscopy. Despite the simplicity of fecal sampling procedures, they are incapable of preserving spatial and temporal information about the bacteria through the gastrointestinal (GI) tract. In contrast, colonoscopy is an invasive and impractical approach to frequently assess the effect of dietary and therapeutic intake on the microbiome and their impact on the health of the patient. Here, we developed a non-invasive capsule that enables targeted sampling from the ascending colon, thereby providing crucial information for disease prediction and monitoring.
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Affiliation(s)
- Sina Nejati
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, United States; Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, United States
| | - Jiangshan Wang
- Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, United States; Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, IN 47907, United States
| | - Sotoudeh Sedaghat
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, United States; Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, United States
| | - Nicole K Balog
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, United States; Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, United States
| | - Amanda M Long
- USDA-ARS Livestock Behavior Research Unit, West Lafayette, IN 47907, United States
| | - Ulisses Heredia Rivera
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, United States; Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, United States
| | - Venkat Kasi
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, United States; Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, United States
| | - Kinam Park
- Departments of Biomedical Engineering and Pharmaceutics, Purdue University, West Lafayette, IN 47907, United States
| | - Jay S Johnson
- USDA-ARS Livestock Behavior Research Unit, West Lafayette, IN 47907, United States
| | - Mohit S Verma
- Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, United States; Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, IN 47907, United States; Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, United States
| | - Rahim Rahimi
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, United States; Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, United States.
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Huang JH, Wang J, Chai XQ, Li ZC, Jiang YH, Li J, Liu X, Fan J, Cai JB, Liu F. The Intratumoral Bacterial Metataxonomic Signature of Hepatocellular Carcinoma. Microbiol Spectr 2022; 10:e0098322. [PMID: 36173308 PMCID: PMC9602924 DOI: 10.1128/spectrum.00983-22] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 09/11/2022] [Indexed: 12/30/2022] Open
Abstract
Microbiota is implicated in hepatocellular carcinoma (HCC). The spectrum of intratumoral microbiota associated with HCC progression remains elusive. Fluorescence in situ hybridization revealed that microbial DNAs were distributed in the cytosol of liver hepatocytes and erythrocytes. Viable anaerobic or aerobic bacteria were recovered in HCC tissues by fresh tissue culture. We performed a comprehensive DNA sequencing of bacterial 16S rRNA genes in 156 samples from 28 normal liver, 64 peritumoral, and 64 HCC tissues, and the DNA sequencing yielded 4.2 million high-quality reads. Both alpha and beta diversity in peritumor and HCC microbiota were increased compared to normal controls. The most predominant phyla in HCC were Patescibacteria, Proteobacteria, Bacteroidota, Firmicutes, and Actinobacteriota. phyla of Proteobacteria, Firmicutes, and Actinobacteriota, and classes of Bacilli and Actinobacteria, were consistently enriched in peritumor and HCC tissues, while Gammaproteobacteria was especially abundant in HCC tissues compared to normal controls. Streptococcaceae and Lactococcus were the marker taxa of HCC cirrhosis. The Staphylococcus branch and Caulobacter branch were selectively enriched in HBV-negative HCCs. The abundance of Proteobacteria, Gammaproteobacteria, Firmicutes, Actinobacteriota, and Saccharimonadia were associated with the clinicopathological features of HCC patients. The inferred functions of different taxa were changed between the microbiota of normal liver and peritumor/HCC. Random forest machine learning achieved great discriminative performance in HCC prediction (area under the curve [AUC] = 1.00 in the training cohort, AUC = 0.950 for top five class signature, and AUC = 0.943 for the top 50 operational taxonomy units [OTUs] in the validation cohort). Our analysis highlights the complexity and diversity of the liver and HCC microbiota and established a specific intratumoral microbial signature for the potential prediction of HCC. IMPORTANCE Gut microbiome is an important regulator of hepatic inflammation, detoxification, and immunity, and contributes to the carcinogenesis of liver cancer. Intratumoral bacteria are supposed to be closer to the tumor cells, forming a microenvironment that may be relevant to the pathological process of hepatocellular carcinoma (HCC). However, the presence of viable intratumoral bacteria remains unclear. It is worth exploring whether the metataxonomic characteristics of intratumoral bacteria can be used as a potential marker for HCC prediction. Here, we present the first evidence of the existence of viable intratumoral bacteria in HCC using the tissue culture method. We revealed that microbial DNAs were distributed in the cytosol of liver hepatocytes and erythrocytes. We analyzed the diversity, structure, and abundance of normal liver and HCC microbiota. We built a machine learning model for HCC prediction using intratumoral bacterial features. We show that specific taxa represent potential targets for both therapeutic and diagnostic interventions.
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Affiliation(s)
- Jian-Hang Huang
- Minhang Hospital, Fudan University, and Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical of Sciences, Fudan University, Shanghai, China
| | - Jie Wang
- Minhang Hospital, Fudan University, and Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical of Sciences, Fudan University, Shanghai, China
- Department of Liver Surgery and Transplantation of Zhongshan Hospital, Liver Cancer Institute of Zhongshan Hospital, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Fudan University, Shanghai, China
| | - Xiao-Qiang Chai
- Department of Liver Surgery and Transplantation of Zhongshan Hospital, Liver Cancer Institute of Zhongshan Hospital, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Fudan University, Shanghai, China
| | - Zhong-Chen Li
- Department of Liver Surgery and Transplantation of Zhongshan Hospital, Liver Cancer Institute of Zhongshan Hospital, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Fudan University, Shanghai, China
| | - Ying-Hua Jiang
- Minhang Hospital, Fudan University, and Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical of Sciences, Fudan University, Shanghai, China
| | - Jun Li
- Department of General Surgery, Shanghai TongRen Hospital, Shanghai, China
| | - Xing Liu
- Department of Central Laboratory Medicine, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jia Fan
- Department of Liver Surgery and Transplantation of Zhongshan Hospital, Liver Cancer Institute of Zhongshan Hospital, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Fudan University, Shanghai, China
| | - Jia-Bin Cai
- Department of Liver Surgery and Transplantation of Zhongshan Hospital, Liver Cancer Institute of Zhongshan Hospital, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Fudan University, Shanghai, China
| | - Feng Liu
- Minhang Hospital, Fudan University, and Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical of Sciences, Fudan University, Shanghai, China
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15
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Rehan M, Al-Bahadly I, Thomas DG, Avci E. Development of a Robotic Capsule for in vivo Sampling of Gut Microbiota. IEEE Robot Autom Lett 2022. [DOI: 10.1109/lra.2022.3191177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Muhammad Rehan
- Department of Mechanical and Electrical Engineering, Massey University, Palmerston North, New Zealand
| | - Ibrahim Al-Bahadly
- Department of Mechanical and Electrical Engineering, Massey University, Palmerston North, New Zealand
| | - David G. Thomas
- Monogastric Research Centre, Massey University, Palmerston North, New Zealand
| | - Ebubekir Avci
- Department of Mechanical and Electrical Engineering, Massey University, Palmerston North, New Zealand
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16
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An Overview of the Evolution of Capsule Endoscopy Research—Text-Mining Analysis and Publication Trends. Diagnostics (Basel) 2022; 12:diagnostics12092238. [PMID: 36140639 PMCID: PMC9498258 DOI: 10.3390/diagnostics12092238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/13/2022] [Accepted: 09/14/2022] [Indexed: 12/09/2022] Open
Abstract
There has been a steady increase (annual percentage growth rate of 19.2%, average of 18.3 citations per document) in capsule endoscopy (CE) publications from a global, interdisciplinary research community on a growing range of CE applications over the last 20+ years. We here present the status of CE as a field of research, tracing its evolution over time and providing insight into its potential for diagnostics, prevention and treatment of gastrointestinal (GI) tract diseases. To portray the development of the CE research landscape in the 2000–2021 time span, we analyzed 5764 scientific publications. Analyses were performed using the R language and environment for statistical computing and graphics and VOSviewer, a software developed for scientific literature analysis by scientometricians. The aim of this paper is to provide a wide comprehensive analysis of the trends in CE publications. We thus performed subgroup analysis on the selected papers, including indications, annual percentage growth rate, average citations per document, most publications from research areas/interdisciplinary field of the articles, geography, collaboration networks through institutions, specific clinical keywords and device type. The firm increase in CE publications over the last two decades highlights the overall strength of the technology in GI applications. Furthermore, the introduction to the field of artificial intelligence (AI) tools has been promoting a range of technological advances that keep on affecting the diagnostic potential of CE.
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17
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Jia L, Wu J, Lei Y, Kong F, Zhang R, Sun J, Wang L, Li Z, Shi J, Wang Y, Wei Y, Zhang K, Lei Z. Oregano Essential Oils Mediated Intestinal Microbiota and Metabolites and Improved Growth Performance and Intestinal Barrier Function in Sheep. Front Immunol 2022; 13:908015. [PMID: 35903106 PMCID: PMC9314563 DOI: 10.3389/fimmu.2022.908015] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 06/20/2022] [Indexed: 11/17/2022] Open
Abstract
With the increased demand for safe and sustainable alternatives to growth promoting antibiotics in the livestock industry, oregano essential oils (OEO) and Lactobacillus reuteri (LR) have been examined as alternatives to antibiotics for growth promotion and to improve animal health and performance. However, the mechanism underlying the OEO and LR mediation of sheep growth remains unknown. In this study, 16S rRNA gene sequencing and untargeted metabolomics were used to determine the role of the gut microbiota in the growth improvements observed. The potential modulating roles of intestinal microbial metabolites of OEO and LR to intestinal health were systematically explored as well. It was observed that both OEO and LR had greater average daily gain (ADG) and lower F/G ratio. Furthermore, OEO also appeared to have produced a greater amylase enzyme activity and mucin gene expression in the jejunal mucosa. It was also observed that OEO reduced serum IL-2 and TNF-β as well as mRNA levels of NF-κB p65, toll-like receptor-4 (TLR-4), and IL-6 in the jejunal mucosa. Moreover, dietary OEO supplementation increased the abundances of Ruminococcus, Bifidobacterium and Enterococcus, while the relative abundances of Succiniclasticum, Marvinbryantia and Streptococcus were enriched in LR group. Spearman’s correlation analysis revealed that the abundances of Bifidobacterium, Ruminococcus and Enterococcus were positively correlated with the mRNA expression of mucins. Moreover, the relative abundance of Enterococcus was positively correlated with amylase activity. Metabolomics analysis indicated that OEO and LR increased the levels of indole acetaldehyde and indole-3-acetic acid through the tryptophan metabolism pathway. It was observed that LR also decreased the inflammatory metabolites including tryptamine and 5-hydroxyindole-3-acetic acid. Collectively, these results suggested that OEO exerted a beneficial effect on growth performance and the mucosal barrier, affected tryptophan metabolism and improved the intestinal microbiota of sheep.
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Affiliation(s)
- Li Jia
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Jianping Wu
- Institute of Rural Development, Northwest Normal University, Lanzhou, China
| | - Yu Lei
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Fanyun Kong
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Rui Zhang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Jianxiang Sun
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Liao Wang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Zemin Li
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Jinping Shi
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Ying Wang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Yubing Wei
- The Animal Husbandry and Veterinary Station in Pingshan Lake Mongolian Township of Ganzhou District, Zhangye, China
| | - Ke Zhang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Zhaomin Lei
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
- *Correspondence: Zhaomin Lei,
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Chen Y, Zhiliang L, Jiaqu C, Xiaoqiong L, Shaoyi Z, Chunlian M, Yinmei Y, Bo Y, Di Z, Hongliang T, Ning L, Qiyi C, Huanlong Q. Fecal Microbiota and Human Intestinal Fluid Transplantation: Methodologies and Outlook. Front Med (Lausanne) 2022; 9:830004. [PMID: 35665355 PMCID: PMC9158325 DOI: 10.3389/fmed.2022.830004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
Fecal microbiota transplantation (FMT) is a therapy that involves the transplantation of healthy human fecal microorganisms into the gut of patients to rebuild or consolidate the intestinal microecology. It has been utilized in many diseases. However, FMT had a limited effect on patients with small intestinal diseases because of the unique ecological characteristics of the microorganisms. Thus, we proposed a new microecology transplantation therapy called human intestinal fluid transplantation (HIFT). Human intestinal fluid can be collected through a nasojejunal tube and be made into capsules using the freeze-dried powder method. In addition, strict standards for donor screening and management have been established. We are currently developing a high-standard HIFT preparation system and conducting high-quality clinical studies to validate the safety and efficacy of HIFT combined with FMT.
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Affiliation(s)
- Ye Chen
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
| | - Lin Zhiliang
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
| | - Cui Jiaqu
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
| | - Lv Xiaoqiong
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
| | - Zhang Shaoyi
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
| | - Ma Chunlian
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
| | - Yan Yinmei
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
| | - Yang Bo
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
| | - Zhao Di
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
| | - Tian Hongliang
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
| | - Li Ning
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
| | - Chen Qiyi
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
| | - Qin Huanlong
- Department of Colorectal Disease Specialty, Clinical Research Center for Digestive Diseases, The Tenth People's Hospital, Tongji University, Shanghai, China
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Abstract
The gut microbiota is now considered as one of the key elements contributing to the regulation of host health. Virtually all our body sites are colonised by microbes suggesting different types of crosstalk with our organs. Because of the development of molecular tools and techniques (ie, metagenomic, metabolomic, lipidomic, metatranscriptomic), the complex interactions occurring between the host and the different microorganisms are progressively being deciphered. Nowadays, gut microbiota deviations are linked with many diseases including obesity, type 2 diabetes, hepatic steatosis, intestinal bowel diseases (IBDs) and several types of cancer. Thus, suggesting that various pathways involved in immunity, energy, lipid and glucose metabolism are affected.In this review, specific attention is given to provide a critical evaluation of the current understanding in this field. Numerous molecular mechanisms explaining how gut bacteria might be causally linked with the protection or the onset of diseases are discussed. We examine well-established metabolites (ie, short-chain fatty acids, bile acids, trimethylamine N-oxide) and extend this to more recently identified molecular actors (ie, endocannabinoids, bioactive lipids, phenolic-derived compounds, advanced glycation end products and enterosynes) and their specific receptors such as peroxisome proliferator-activated receptor alpha (PPARα) and gamma (PPARγ), aryl hydrocarbon receptor (AhR), and G protein-coupled receptors (ie, GPR41, GPR43, GPR119, Takeda G protein-coupled receptor 5).Altogether, understanding the complexity and the molecular aspects linking gut microbes to health will help to set the basis for novel therapies that are already being developed.
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Affiliation(s)
- Willem M de Vos
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland,Laboratory of Microbiology, Wageningen University, Wageningen, The Netherlands
| | - Herbert Tilg
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & Metabolism, Medical University Innsbruck, Innsbruck, Austria
| | - Matthias Van Hul
- Louvain Drug Research Institute (LDRI), Metabolism and Nutrition research group (MNUT), UCLouvain, Université catholique de Louvain, Walloon Excellence in Life Sciences and BIOtechnology (WELBIO), Brussels, Belgium
| | - Patrice D Cani
- Louvain Drug Research Institute (LDRI), Metabolism and Nutrition research group (MNUT), UCLouvain, Université catholique de Louvain, Walloon Excellence in Life Sciences and BIOtechnology (WELBIO), Brussels, Belgium
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Abstract
The gut microbiota is now considered as one of the key elements contributing to the regulation of host health. Virtually all our body sites are colonised by microbes suggesting different types of crosstalk with our organs. Because of the development of molecular tools and techniques (ie, metagenomic, metabolomic, lipidomic, metatranscriptomic), the complex interactions occurring between the host and the different microorganisms are progressively being deciphered. Nowadays, gut microbiota deviations are linked with many diseases including obesity, type 2 diabetes, hepatic steatosis, intestinal bowel diseases (IBDs) and several types of cancer. Thus, suggesting that various pathways involved in immunity, energy, lipid and glucose metabolism are affected.In this review, specific attention is given to provide a critical evaluation of the current understanding in this field. Numerous molecular mechanisms explaining how gut bacteria might be causally linked with the protection or the onset of diseases are discussed. We examine well-established metabolites (ie, short-chain fatty acids, bile acids, trimethylamine N-oxide) and extend this to more recently identified molecular actors (ie, endocannabinoids, bioactive lipids, phenolic-derived compounds, advanced glycation end products and enterosynes) and their specific receptors such as peroxisome proliferator-activated receptor alpha (PPARα) and gamma (PPARγ), aryl hydrocarbon receptor (AhR), and G protein-coupled receptors (ie, GPR41, GPR43, GPR119, Takeda G protein-coupled receptor 5).Altogether, understanding the complexity and the molecular aspects linking gut microbes to health will help to set the basis for novel therapies that are already being developed.
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Affiliation(s)
- Willem M de Vos
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Laboratory of Microbiology, Wageningen University, Wageningen, The Netherlands
| | - Herbert Tilg
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & Metabolism, Medical University Innsbruck, Innsbruck, Austria
| | - Matthias Van Hul
- Louvain Drug Research Institute (LDRI), Metabolism and Nutrition research group (MNUT), UCLouvain, Université catholique de Louvain, Walloon Excellence in Life Sciences and BIOtechnology (WELBIO), Brussels, Belgium
| | - Patrice D Cani
- Louvain Drug Research Institute (LDRI), Metabolism and Nutrition research group (MNUT), UCLouvain, Université catholique de Louvain, Walloon Excellence in Life Sciences and BIOtechnology (WELBIO), Brussels, Belgium
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21
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Chang ZY, Liu HM, Leu YL, Hsu CH, Lee TY. Modulation of Gut Microbiota Combined with Upregulation of Intestinal Tight Junction Explains Anti-Inflammatory Effect of Corylin on Colitis-Associated Cancer in Mice. Int J Mol Sci 2022; 23:ijms23052667. [PMID: 35269806 PMCID: PMC8910903 DOI: 10.3390/ijms23052667] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/26/2022] [Accepted: 02/26/2022] [Indexed: 12/21/2022] Open
Abstract
Inflammatory bowel disease (IBD) involves chronic inflammation, loss of epithelial integrity, and gastrointestinal microbiota dysbiosis, resulting in the development of a colon cancer known as colitis-associated colorectal cancer (CAC). In this study, we evaluated the effects of corylin in a mouse model of dextran sodium sulfate (DSS)-induced colitis. The results showed corylin could improved the survival rate and colon length, maintained body weight, and ameliorated the inflammatory response in the colon. Then, we further identified the possible antitumor effects after 30-day treatment of corylin on an azoxymethane (AOM)/DSS-induced CAC mouse model. Biomarkers associated with inflammation, the colon tissue barrier, macrophage polarization (CD11c, CCR7, CD163, and CD206), and microbiota dysbiosis were monitored in the AOM/DSS group versus corylin groups. Corylin downregulated pro-inflammatory cytokines (TNF-α, IFN-γ, IL-1β, and IL-6) mRNA expression and inflammatory signaling-associated markers (TLR4, MyD88, AP-1, CD11b, and F4/80). In addition, a colon barrier experiment revealed that epithelial cell proliferation of the mucus layer (Lgr5, Cyclin D1, and Olfm4) was downregulated and tight junction proteins (claudin-1 and ZO-1) were upregulated. Furthermore, the Firmicutes/Bacteroidetes ratio changed with corylin intervention, and the microbial diversity and community richness of the AOM/DSS mice were improved by corylin. The comparative analysis of gut microbiota revealed that Bacteroidetes, Patescibacteria, Candidatus Saccharimonas, Erysipelatoclostridium, and Enterorhabdus were significantly increased but Firmicutes, Turicibacter, Romboutsia, and Blautia decreased after corylin treatment. Altogether, corylin administration showed cancer-ameliorating effects by reducing the risk of colitis-associated colon cancer via regulation of inflammation, carcinogenesis, and compositional change of gut microbiota. Therefore, corylin could be a novel, potential health-protective, natural agent against CAC.
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Affiliation(s)
- Zi-Yu Chang
- Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan;
| | - Hsuan-Miao Liu
- Graduate Institute of Traditional Chinese Medicine, School of Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan;
| | - Yann-Lii Leu
- Graduate Institute of Nature Products, College of Medicine, Chang Gung University, Taoyuan 33305, Taiwan;
- Tissue Bank, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
| | - Chung-Hua Hsu
- Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan;
- Correspondence: (C.-H.H.); (T.-Y.L.); Tel.: +886-02-2388-7088 (ext. 3100) (C.-H.H.); +886-03-211-8800 (ext. 3537) (T.-Y.L.)
| | - Tzung-Yan Lee
- Graduate Institute of Traditional Chinese Medicine, School of Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan;
- Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Keelung 20401, Taiwan
- Correspondence: (C.-H.H.); (T.-Y.L.); Tel.: +886-02-2388-7088 (ext. 3100) (C.-H.H.); +886-03-211-8800 (ext. 3537) (T.-Y.L.)
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22
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Kapselendoskopie mit integrierter Probeentnahme zur Analyse der Darmflora. ZEITSCHRIFT FUR GASTROENTEROLOGIE 2022. [DOI: 10.1055/a-1710-0614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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23
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Lu Y, Lin L, Ye J. Human metabolite detection by surface-enhanced Raman spectroscopy. Mater Today Bio 2022; 13:100205. [PMID: 35118368 PMCID: PMC8792281 DOI: 10.1016/j.mtbio.2022.100205] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 01/15/2022] [Accepted: 01/16/2022] [Indexed: 12/17/2022]
Abstract
Metabolites are important biomarkers in human body fluids, conveying direct information of cellular activities and physical conditions. Metabolite detection has long been a research hotspot in the field of biology and medicine. Surface-enhanced Raman spectroscopy (SERS), based on the molecular “fingerprint” of Raman spectrum and the enormous signal enhancement (down to a single-molecule level) by plasmonic nanomaterials, has proven to be a novel and powerful tool for metabolite detection. SERS provides favorable properties such as ultra-sensitive, label-free, rapid, specific, and non-destructive detection processes. In this review, we summarized the progress in recent 10 years on SERS-based sensing of endogenous metabolites at the cellular level, in tissues, and in biofluids, as well as drug metabolites in biofluids. We made detailed discussions on the challenges and optimization methods of SERS technique in metabolite detection. The combination of SERS with modern biomedical technology were also anticipated.
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Affiliation(s)
- Yao Lu
- State Key Laboratory of Oncogenes and Related Genes, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, PR China
| | - Li Lin
- State Key Laboratory of Oncogenes and Related Genes, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, PR China
- Corresponding author.
| | - Jian Ye
- State Key Laboratory of Oncogenes and Related Genes, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, PR China
- Shanghai Key Laboratory of Gynecologic Oncology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, PR China
- Institute of Medical Robotics, Shanghai Jiao Tong University, Shanghai, 200240, PR China
- Corresponding author. State Key Laboratory of Oncogenes and Related Genes, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, PR China.
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