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Hu W, Zhang X, Sheng H, Liu Z, Chen Y, Huang Y, He W, Luo G. The mutual regulation between γδ T cells and macrophages during wound healing. J Leukoc Biol 2024; 115:840-851. [PMID: 37493223 DOI: 10.1093/jleuko/qiad087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 07/08/2023] [Accepted: 07/20/2023] [Indexed: 07/27/2023] Open
Abstract
Macrophages are the main cells shaping the local microenvironment during wound healing. As the prime T cells in the skin, γδ T cells participate in regulating microenvironment construction, determining their mutual regulation helps to understand the mechanisms of wound healing, and explore innovative therapeutic options for wound repair. This review introduced their respective role in wound healing firstly, and then summarized the regulatory effect of γδ T cells on macrophages, including chemotaxis, polarization, apoptosis, and pyroptosis. Last, the retrograde regulation on γδ T cells by macrophages was also discussed. The main purpose is to excavate novel interventions for treating wound and provide new thought for further research.
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Affiliation(s)
- Wengang Hu
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), ShaPingBa District, Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics, ShaPingBa District, Chongqing 400038, China
| | - Xiaorong Zhang
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), ShaPingBa District, Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics, ShaPingBa District, Chongqing 400038, China
| | - Hao Sheng
- Urology Department, Second Affiliated Hospital, Third Military Medical University (Army Medical University), XinQiao District, Chongqing 400037, China
| | - Zhongyang Liu
- Department of Plastic Surgery, First Affiliated Hospital, Zhengzhou University, ErQi District, Zhengzhou, Henan 450000, China
| | - Yunxia Chen
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), ShaPingBa District, Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics, ShaPingBa District, Chongqing 400038, China
| | - Yong Huang
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), ShaPingBa District, Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics, ShaPingBa District, Chongqing 400038, China
| | - Weifeng He
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), ShaPingBa District, Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics, ShaPingBa District, Chongqing 400038, China
| | - Gaoxing Luo
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), ShaPingBa District, Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics, ShaPingBa District, Chongqing 400038, China
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Huang J, Jiang T, Li J, Qie J, Cheng X, Wang Y, Zhou T, Liu J, Han H, Yao K, Yu L. Biomimetic Corneal Stroma for Scarless Corneal Wound Healing via Structural Restoration and Microenvironment Modulation. Adv Healthc Mater 2024; 13:e2302889. [PMID: 37988231 DOI: 10.1002/adhm.202302889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/31/2023] [Indexed: 11/23/2023]
Abstract
Corneal injury-induced stromal scarring causes the most common subtype of corneal blindness, and there is an unmet need to promote scarless corneal wound healing. Herein, a biomimetic corneal stroma with immunomodulatory properties is bioengineered for scarless corneal defect repair. First, a fully defined serum-free system is established to derive stromal keratocytes (hAESC-SKs) from a current Good Manufacturing Practice (cGMP)-grade human amniotic epithelial stem cells (hAESCs), and RNA-seq is used to validate the phenotypic transition. Moreover, hAESC-SKs are shown to possess robust immunomodulatory properties in addition to the keratocyte phenotype. Inspired by the corneal stromal extracellular matrix (ECM), a photocurable gelatin-based hydrogel is fabricated to serve as a scaffold for hAESC-SKs for bioengineering of a biomimetic corneal stroma. The rabbit corneal defect model is used to confirm that this biomimetic corneal stroma rapidly restores the corneal structure, and effectively reshapes the tissue microenvironment via proteoglycan secretion to promote transparency and inhibition of the inflammatory cascade to alleviate fibrosis, which synergistically reduces scar formation by ≈75% in addition to promoting wound healing. Overall, the strategy proposed here provides a promising solution for scarless corneal defect repair.
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Affiliation(s)
- Jianan Huang
- Eye Center, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou, 310009, P. R. China
- MOE Laboratory of Biosystems Homeostasis & Protection & College of Life Sciences-iCell Biotechnology Regenerative Biomedicine Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, 310058, P. R. China
| | - Tuoying Jiang
- MOE Laboratory of Biosystems Homeostasis & Protection & College of Life Sciences-iCell Biotechnology Regenerative Biomedicine Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, 310058, P. R. China
| | - Jinying Li
- MOE Laboratory of Biosystems Homeostasis & Protection & College of Life Sciences-iCell Biotechnology Regenerative Biomedicine Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, 310058, P. R. China
- College of Traditional Chinese Medicine and Health Industry, Lishui University, Lishui, 323000, P. R. China
| | - Jiqiao Qie
- Eye Center, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou, 310009, P. R. China
| | - Xiaoyu Cheng
- Eye Center, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou, 310009, P. R. China
| | - Yiyao Wang
- Eye Center, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou, 310009, P. R. China
| | - Tinglian Zhou
- Eye Center, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou, 310009, P. R. China
| | - Jia Liu
- MOE Laboratory of Biosystems Homeostasis & Protection & College of Life Sciences-iCell Biotechnology Regenerative Biomedicine Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, 310058, P. R. China
| | - Haijie Han
- Eye Center, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou, 310009, P. R. China
- State Key Laboratory of Trauma, Burn and Combined Injury, Third Military Medical University, Chongqing, 400038, P. R. China
| | - Ke Yao
- Eye Center, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou, 310009, P. R. China
| | - Luyang Yu
- MOE Laboratory of Biosystems Homeostasis & Protection & College of Life Sciences-iCell Biotechnology Regenerative Biomedicine Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, 310058, P. R. China
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Ding J, Chen D, Hu J, Zhang D, Gou Y, Wu Y. Roxithromycin and rhEGF Co-loaded Reactive Oxygen Species Responsive Nanoparticles for Accelerating Wound Healing. Curr Drug Deliv 2024; 21:753-762. [PMID: 37183469 DOI: 10.2174/1567201820666230512103750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 01/19/2023] [Accepted: 02/06/2023] [Indexed: 05/16/2023]
Abstract
BACKGROUND Bacterial infection can delay wound healing and is therefore a major threat to public health. Although various strategies have been developed to treat bacterial infections, antibiotics remain the best option to combat infections. The inclusion of growth factors in the treatment approach can also accelerate wound healing. The co-delivery of antibiotics and growth factors for the combined treatment of wounds needs further investigation. OBJECTIVE Here we aimed to develop antibiotic and growth factor co-loaded nanoparticles (NPs) to treat Staphylococcus aureus-infected wounds. METHODS By using our previously prepared reactive oxygen species-responsive material (Oxi-αCD), roxithromycin (ROX)-loaded NPs (ROX/Oxi-αCD NPs) and recombinant human epidermal growth factor (rhEGF)/ROX co-loaded NPs (rhEGF/ROX/Oxi-αCD NPs) were successfully fabricated. The in vivo efficacy of this prepared nanomedicine was evaluated in mice with S. aureus-infected wounds. RESULTS ROX/Oxi-αCD NPs and rhEGF/ROX/Oxi-αCD NPs had a spherical structure and their particle sizes were 164 ± 5 nm and 190 ± 8 nm, respectively. The in vitro antibacterial experiments showed that ROX/Oxi-αCD NPs had a lower minimum inhibitory concentration than ROX. The in vivo animal experiments demonstrated that rhEGF/ROX/Oxi-αCD NPs could significantly accelerate the healing of S. aureus-infected wounds as compared to the free ROX drug and ROX/Oxi-αCD NPs (P < 0.05). CONCLUSION ROX and rhEGF co-loaded NPs can effectively eliminate bacteria in wounds and accelerate wound healing. Our present work could provide a new strategy to combat bacteria-infected wounds.
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Affiliation(s)
- Jun Ding
- Department of Ultrasound, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Dan Chen
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Jun Hu
- Department of Neurology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Dinglin Zhang
- Department of Chemistry, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Yajun Gou
- Department of Orthopedics, Shapingba District People's Hospital, Chongqing, Chongqing 400030, China
| | - Yaguang Wu
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, China
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Wang H, Sun M, Li W, Liu X, Zhu M, Qin H. Biomarkers associated with the pathogenesis of Alzheimer's disease. Front Cell Neurosci 2023; 17:1279046. [PMID: 38130871 PMCID: PMC10733517 DOI: 10.3389/fncel.2023.1279046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023] Open
Abstract
Alzheimer's disease (AD) is a progressive degenerative neurological illness with insidious onset. Due to the complexity of the pathogenesis of AD and different pathological changes, the clinical phenotypes of dementia are diverse, and these pathological changes also interact with each other. Therefore, it is of great significance to search for biomarkers that can diagnose these pathological changes to improve the ability to monitor the course of disease and treat the disease. The pathological mechanism hypothesis with high recognition of AD mainly includes the accumulation of β-amyloid (Aβ) around neurons and hyperphosphorylation of tau protein, which results in the development of neuronal fiber tangles (NFTs) and mitochondrial dysfunction. AD is an irreversible disease; currently, there is no clinical cure or delay in the disease process of drugs, and there is a lack of effective early clinical diagnosis methods. AD patients, often in the dementia stages and moderate cognitive impairment, will seek medical treatment. Biomarkers can help diagnose the presence or absence of specific diseases and their pathological processes, so early screening and diagnosis are crucial for the prevention and therapy of AD in clinical practice. β-amyloid deposition (A), tau pathology (T), and neurodegeneration/neuronal damage (N), also known as the AT (N) biomarkers system, are widely validated core humoral markers for the diagnosis of AD. In this paper, the pathogenesis of AD related to AT (N) and the current research status of cerebrospinal fluid (CSF) and blood related biomarkers were reviewed. At the same time, the limitations of humoral markers in the diagnosis of AD were also discussed, and the future development of humoral markers for AD was prospected. In addition, the contents related to mitochondrial dysfunction, prion virology and intestinal microbiome related to AD are also described, so as to understand the pathogenesis of AD in many aspects and dimensions, so as to evaluate the pathological changes related to AD more comprehensively and accurately.
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Affiliation(s)
- Hui Wang
- College of Life Sciences, Nankai University, Tianjin, China
| | - Mengli Sun
- College of Life Sciences, Nankai University, Tianjin, China
- Research Center for Tissue Repair and Regeneration Affiliated with the Medical Innovation Research Division and 4th Medical Center, PLA General Hospital and PLA Medical College, Beijing, China
| | - Wenhui Li
- College of Life Sciences, Nankai University, Tianjin, China
| | - Xing Liu
- College of Life Sciences, Nankai University, Tianjin, China
| | - Mengfan Zhu
- College of Life Sciences, Nankai University, Tianjin, China
| | - Hua Qin
- College of Life Sciences, Nankai University, Tianjin, China
- Research Center for Tissue Repair and Regeneration Affiliated with the Medical Innovation Research Division and 4th Medical Center, PLA General Hospital and PLA Medical College, Beijing, China
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Tan Y, Zhao N, Xie Q, Xu Z, Chai J, Zhang X, Li Y. Melatonin attenuates cholestatic liver injury via inhibition of the inflammatory response. Mol Cell Biochem 2023; 478:2527-2537. [PMID: 36869985 DOI: 10.1007/s11010-023-04682-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 02/17/2023] [Indexed: 03/05/2023]
Abstract
Melatonin, an indole neurohormone secreted mainly by the pineal gland, has been found to be involved in a variety of liver diseases. However, the underlying mechanism by which melatonin ameliorates cholestatic liver injury is not fully understood. In this study, we investigated the mechanism by which melatonin attenuates cholestatic liver injury via inhibition of the inflammatory response. We measured the levels of serum melatonin in patients with obstructive cholestasis (n = 9), patients with primary biliary cholangitis (PBC) (n = 11), and control patients (n = 7). We performed experiments with C57BL/6 J mice treated with 3,5-diethoxycarbonyl-1,4-dihydrocollidine (DDC) and melatonin to verify the role of melatonin in the mouse model of cholestasis. Primary mouse hepatocytes were used for in vitro studies to study the mechanisms of action of melatonin in cholestasis. The levels of serum melatonin were markedly increased and negatively correlated with serum markers of liver injury in cholestatic patients. As expected, oral administration of melatonin significantly attenuated cholestasis-induced liver inflammation and fibrosis in 0.1% DDC diet-fed mice. Further mechanistic studies in cholestatic mice and primary hepatocytes revealed that melatonin reduced the conjugate BA-stimulated expression of cytokines (e.g. Ccl2, Tnfα, and Il6) through the ERK/Egr1 signalling pathway in these models. The levels of serum melatonin are significantly elevated in cholestatic patients. Melatonin treatment ameliorates cholestatic liver injury by suppressing the inflammatory response in vivo and in vitro. Therefore, melatonin is a promising novel therapeutic strategy for cholestasis.
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Affiliation(s)
- Ya Tan
- Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Nan Zhao
- Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Qiaoling Xie
- Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Ziqian Xu
- Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Jin Chai
- Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China.
- Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China.
- Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China.
- Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China.
| | - Xiaoxun Zhang
- Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China.
- Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China.
- Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China.
- Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China.
| | - Yan Li
- Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China.
- Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China.
- Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China.
- Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038, China.
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Leng L, Bian XW. Injury mechanism of COVID-19-induced cardiac complications. Cardiol Plus 2023; 8:159-166. [PMID: 37928775 PMCID: PMC10621642 DOI: 10.1097/cp9.0000000000000055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 06/06/2023] [Indexed: 11/07/2023] Open
Abstract
Heart dysfunction is one of the most life-threatening organ dysfunctions caused by coronavirus disease 2019 (COVID-19). Myocardial or cardiovascular damage is the most common extrapulmonary organ complication in critically ill patients. Understanding the pathogenesis and pathological characteristics of myocardial and vascular injury is important for improving clinical diagnosis and treatment approach. Herein, the mechanism of direct damage caused by severe acute respiratory syndrome coronavirus 2 to the heart and secondary damage caused by virus-driven inflammation was reviewed. The pathological mechanism of ischemia and hypoxia due to microthrombosis and inflammatory injury as well as the injury mechanism of tissue inflammation and single myocardial cell necrosis triggered by the viral infection of pericytes or macrophages, hypoxia, and energy metabolism disorders were described. The latter can provide a novel diagnosis, treatment, and investigation strategy for heart dysfunctions caused by COVID-19 or the Omicron variant.
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Affiliation(s)
- Ling Leng
- Stem Cell and Regenerative Medicine Lab, Department of Medical Science Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Translational Medicine Center, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Xiu-Wu Bian
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), and Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing 400038, China
- Department of Pathology, the First Hospital Affiliated to University of Science and Technology of China (USTC), and Intelligent Pathology Institute, Division of Life Sciences and Medicine, USTC, Hefei 230036, China
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Tan Y, Wu D, Liu ZY, Yu HQ, Zheng XR, Lin XT, Bie P, Zhang LD, Xie CM. Degradation of helicase-like transcription factor (HLTF) by β-TrCP promotes hepatocarcinogenesis via activation of the p62/mTOR axis. J Mol Cell Biol 2023; 15:mjad012. [PMID: 36822623 PMCID: PMC10478628 DOI: 10.1093/jmcb/mjad012] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 11/27/2022] [Accepted: 02/22/2023] [Indexed: 02/25/2023] Open
Abstract
Helicase-like transcription factor (HLTF) has been found to be involved in the maintenance of genome stability and tumour suppression, but whether its downregulation in cancers is associated with posttranslational regulation remains unclear. Here, we observed that HLTF was significantly downregulated in hepatocellular carcinoma (HCC) tissues and positively associated with the survival of HCC patients. Mechanistically, the decreased expression of HLTF in HCC was attributed to elevated β-TrCP-mediated ubiquitination and degradation. Knockdown of HLTF enhanced p62 transcriptional activity and mammalian target of rapamycin (mTOR) activation, leading to HCC tumourigenesis. Inhibition of mTOR effectively blocked β-TrCP overexpression- or HLTF knockdown-mediated HCC tumourigenesis and metastasis. Furthermore, in clinical tissues, decreased HLTF expression was positively correlated with elevated expression of β-TrCP, p62, or p-mTOR in HCC patients. Overall, our data not only uncover new roles of HLTF in HCC cell proliferation and metastasis, but also reveal a novel posttranslational modification of HLTF by β-TrCP, indicating that the β-TrCP/HLTF/p62/mTOR axis may be a new oncogenic driver involved in HCC development. This finding provides a potential therapeutic strategy for HCC patients by targeting the β-TrCP/HLTF/p62/mTOR axis.
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Affiliation(s)
- Ye Tan
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
- Department of Hepatobiliary and Pancreatic Surgery, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing 401120, China
| | - Di Wu
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Ze-Yu Liu
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Hong-Qiang Yu
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Xiang-Ru Zheng
- Department of Hepatobiliary and Pancreatic Surgery, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing 401120, China
| | - Xiao-Tong Lin
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Ping Bie
- Department of Hepatobiliary and Pancreatic Surgery, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing 401120, China
| | - Lei-Da Zhang
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Chuan-Ming Xie
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
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Zheng L, Zhang L, Tang L, Huang D, Pan D, Guo W, He S, Huang Y, Chen Y, Xiao X, Tang B, Chen J. Gut microbiota is associated with response to 131I therapy in patients with papillary thyroid carcinoma. Eur J Nucl Med Mol Imaging 2023; 50:1453-1465. [PMID: 36512067 PMCID: PMC10027784 DOI: 10.1007/s00259-022-06072-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 12/01/2022] [Indexed: 12/14/2022]
Abstract
PURPOSE Radioactive iodine (131I) therapy is a conventional post-surgery treatment widely used for papillary thyroid carcinoma (PTC). Since 131I is orally administered, we hypothesize that it may affect gut microbiome. This study aims to investigate alterations of intestinal microbiome caused by 131I therapy in PTC patients and explore its association with response to 131I therapy. METHODS Fecal samples of 60 PTC patients pre- and post-131I therapy were collected to characterize the 131I therapy-induced gut microbiota alterations using 16S rRNA gene sequencing. According to the inclusion criteria, sequence data of 40 out of the 60 patients, divided into excellent response (ER) group and non-excellent response (NER) group, were recruited to investigate the possible connection between gut microbiota and response to 131I therapy. Multivariate binary logistic regression was employed to construct a predictive model for response to 131I therapy. RESULTS Microbial richness, diversity, and composition were tremendously altered by 131I therapy. A significant decline of Firmicutes to Bacteroides (F/B) ratio was observed post-131I therapy. 131I therapy also led to changes of gut microbiome-related metabolic pathways. Discrepancies in β diversity were found between ER and NER groups both pre- and post-131I therapy. Furthermore, a predictive model for response to 131I therapy with a p value of 0.003 and an overall percentage correct of 80.0% was established, with three variables including lymph node metastasis, relative abundance of g_Bifidobacterium and g_Dorea. Among them, g_Dorea was identified to be an in independent predictor of response to 131I therapy (p = 0.04). CONCLUSION For the first time, the present study demonstrates the gut microbial dysbiosis caused by 131I therapy in post-surgery PTC patients and reveals a previously undefined role of gut microbiome as predictor for 131I ablation response. G_Dorea and g_Bifidobacterium may be potential targets for clinical intervention to improve response to 131I in post-operative PTC patients. TRIAL REGISTRATION ChiCTR2100048000. Registered 28 June 2021.
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Affiliation(s)
- Lei Zheng
- Nuclear Medicine Department, Southwest Hospital (the First Affiliated Hospital), Third Military Medical University (Army Medical University), Chongqing, China
| | - Linjing Zhang
- Nuclear Medicine Department, Southwest Hospital (the First Affiliated Hospital), Third Military Medical University (Army Medical University), Chongqing, China
| | - Li Tang
- Department of Gastroenterology, Xinqiao Hospital (the Second Affiliated Hospital), Third Military Medical University, (Army Medical University), Chongqing, China
| | - Dingde Huang
- Nuclear Medicine Department, Southwest Hospital (the First Affiliated Hospital), Third Military Medical University (Army Medical University), Chongqing, China
| | - Deng Pan
- Nuclear Medicine Department, Southwest Hospital (the First Affiliated Hospital), Third Military Medical University (Army Medical University), Chongqing, China
| | - Wei Guo
- Nuclear Medicine Department, Southwest Hospital (the First Affiliated Hospital), Third Military Medical University (Army Medical University), Chongqing, China
| | - Song He
- Nuclear Medicine Department, Southwest Hospital (the First Affiliated Hospital), Third Military Medical University (Army Medical University), Chongqing, China
| | - Yong Huang
- State Key Laboratory of Trauma, Burns and Combined Injury of China, Institute of Burn Research, Southwest Hospital (the First Affiliated Hospital), Third Military Medical University, (Army Medical University), Gao Tan Yan Street, Chongqing, 400038, China
| | - Yu Chen
- State Key Laboratory of Trauma, Burns and Combined Injury of China, Institute of Burn Research, Southwest Hospital (the First Affiliated Hospital), Third Military Medical University, (Army Medical University), Gao Tan Yan Street, Chongqing, 400038, China
| | - Xu Xiao
- Department of Gastroenterology, Xinqiao Hospital (the Second Affiliated Hospital), Third Military Medical University, (Army Medical University), Chongqing, China.
| | - Bo Tang
- Department of Gastroenterology, Xinqiao Hospital (the Second Affiliated Hospital), Third Military Medical University, (Army Medical University), Chongqing, China.
| | - Jing Chen
- State Key Laboratory of Trauma, Burns and Combined Injury of China, Institute of Burn Research, Southwest Hospital (the First Affiliated Hospital), Third Military Medical University, (Army Medical University), Gao Tan Yan Street, Chongqing, 400038, China.
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Lin XT, Yu HQ, Fang L, Tan Y, Liu ZY, Wu D, Zhang J, Xiong HJ, Xie CM. Elevated FBXO45 promotes liver tumorigenesis through enhancing IGF2BP1 ubiquitination and subsequent PLK1 upregulation. eLife 2021; 10:e70715. [PMID: 34779401 PMCID: PMC8641947 DOI: 10.7554/elife.70715] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 11/14/2021] [Indexed: 12/20/2022] Open
Abstract
Dysregulation of tumor-relevant proteins may contribute to human hepatocellular carcinoma (HCC) tumorigenesis. FBXO45 is an E3 ubiquitin ligase that is frequently elevated expression in human HCC. However, it remains unknown whether FBXO45 is associated with hepatocarcinogenesis and how to treat HCC patients with high FBXO45 expression. Here, IHC and qPCR analysis revealed that FBXO45 protein and mRNA were highly expressed in 54.3% (57 of 105) and 52.2% (132 of 253) of the HCC tissue samples, respectively. Highly expressed FBXO45 promoted liver tumorigenesis in transgenic mice. Mechanistically, FBXO45 promoted IGF2BP1 ubiquitination at the Lys190 and Lys450 sites and subsequent activation, leading to the upregulation of PLK1 expression and the induction of cell proliferation and liver tumorigenesis in vitro and in vivo. PLK1 inhibition or IGF2BP1 knockdown significantly blocked FBXO45-driven liver tumorigenesis in FBXO45 transgenic mice, primary cells, and HCCs. Furthermore, IHC analysis on HCC tissue samples revealed a positive association between the hyperexpression of FBXO45 and PLK1/IGF2BP1, and both had positive relationship with poor survival in HCC patients. Thus, FBXO45 plays an important role in promoting liver tumorigenesis through IGF2BP1 ubiquitination and activation, and subsequent PLK1 upregulation, suggesting a new strategy for treating HCC by targeting FBXO45/IGF2BP1/PLK1 axis.
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Affiliation(s)
- Xiao-Tong Lin
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University)ChongqingChina
| | - Hong-Qiang Yu
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University)ChongqingChina
| | - Lei Fang
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University)ChongqingChina
| | - Ye Tan
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University)ChongqingChina
| | - Ze-Yu Liu
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University)ChongqingChina
| | - Di Wu
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University)ChongqingChina
| | - Jie Zhang
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University)ChongqingChina
| | - Hao-Jun Xiong
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University)ChongqingChina
| | - Chuan-Ming Xie
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University)ChongqingChina
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Hu ZQ, Rao CL, Tang ML, zhang Y, Lu XX, Chen JG, Mao C, Deng L, Li Q, Mao XH. Rab32 GTPase, as a direct target of miR-30b/c, controls the intracellular survival of Burkholderia pseudomallei by regulating phagosome maturation. PLoS Pathog 2019; 15:e1007879. [PMID: 31199852 PMCID: PMC6594657 DOI: 10.1371/journal.ppat.1007879] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 06/26/2019] [Accepted: 05/30/2019] [Indexed: 02/06/2023] Open
Abstract
Burkholderia pseudomallei is a gram-negative, facultative intracellular bacterium, which causes a disease known as melioidosis. Professional phagocytes represent a crucial first line of innate defense against invading pathogens. Uptake of pathogens by these cells involves the formation of a phagosome that matures by fusing with early and late endocytic vesicles, resulting in killing of ingested microbes. Host Rab GTPases are central regulators of vesicular trafficking following pathogen phagocytosis. However, it is unclear how Rab GTPases interact with B. pseudomallei to regulate the transport and maturation of bacterial-containing phagosomes. Here, we showed that the host Rab32 plays an important role in mediating antimicrobial activity by promoting phagosome maturation at an early phase of infection with B. pseudomallei. And we demonstrated that the expression level of Rab32 is increased through the downregulation of the synthesis of miR-30b/30c in B. pseudomallei infected macrophages. Subsequently, we showed that B. pseudomallei resides temporarily in Rab32-positive compartments with late endocytic features. And Rab32 enhances phagosome acidification and promotes the fusion of B. pseudomallei-containing phagosomes with lysosomes to activate cathepsin D, resulting in restricted intracellular growth of B. pseudomallei. Additionally, Rab32 mediates phagosome maturation depending on its guanosine triphosphate/guanosine diphosphate (GTP/GDP) binding state. Finally, we report the previously unrecognized role of miR-30b/30c in regulating B. pseudomallei-containing phagosome maturation by targeting Rab32 in macrophages. Altogether, we provide a novel insight into the host immune-regulated cellular pathway against B. pseudomallei infection is partially dependent on Rab32 trafficking pathway, which regulates phagosome maturation and enhances the killing of this bacterium in macrophages. Burkholderia pseudomallei is a gram-negative intracellular bacterium and the etiological agent of melioidosis. Little is known about the host innate immune system, which is engaged in a continuous battle against this pathogen and may contribute to the outcomes of melioidosis. Recently, Rab32, a Rab GTPase was shown to be a critical regulator of a host defense pathway against intracellular bacterial pathogens. However, the exact mechanism of how Rab32 contributes to the restriction of intracellular pathogens is not completely understood. In this study, we determined that the infection of macrophages with B. pseudomallei resulted in the upregulation of Rab32 expression through the inhibition of miR-30b/30c expression. Subsequently, Rab32 is recruited to the B. pseudomallei-containing phagosomes and promotes the fusion of the phagosomes with lysosomes, which results in the increased exposure of B. pseudomallei to lysosomal acid hydrolases CTSD, thus limiting the intracellular growth of B. pseudomallei at an early phase of infection in macrophages. Our findings establish for the first time that Rab32 plays an important role in suppressing the intracellular replication of B. pseudomallei by modulating phagosome maturation in macrophages, providing a new insight into the host defense mechanisms against B. pseudomallei infection.
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Affiliation(s)
- Zhi-qiang Hu
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory & Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Cheng-long Rao
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory & Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Meng-ling Tang
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory & Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Yu zhang
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory & Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Xiao-xue Lu
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory & Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Jian-gao Chen
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory & Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Chan Mao
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory & Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Ling Deng
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory & Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Qian Li
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory & Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- * E-mail: (QL); (XM)
| | - Xu-hu Mao
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory & Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- * E-mail: (QL); (XM)
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11
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Abstract
Wound management is a major global challenge and a big financial burden to the healthcare system due to the rapid growth of chronic diseases including the diabetes, obesity, and aging population. Modern solutions to wound management include hydrogels that dissolve on demand, and the development of such hydrogels is of keen research interest. The formation and subsequent on-demand dissolution of hydrogels is of keen interest to scientists and clinicians. These hydrogels have excellent properties such as tissue adhesion, swelling, and water absorption. In addition, these hydrogels have a distinctive capacity to form in situ and dissolve on-demand via physical or chemical reactions. Some of these hydrogels have been successfully used as a dressing to reduce bleeding in hepatic and aortal models, and the hydrogels remove easily afterwards. However, there is an extremely wide array of different ways to synthesize these hydrogels. Therefore, we summarize here the recent advances of hydrogels that dissolve on demand, covering both chemical cross-linking cases and physical cross-linking cases. We believe that continuous exploration of dissolution strategies will uncover new mechanisms of dissolution and extend the range of applications for hydrogel dressings.
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Affiliation(s)
- Hao Lu
- Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing, 400021 China
| | - Long Yuan
- Department of Breast Surgery, Southwest Hospital, Third Military Medical University (Army Medial University), Chongqing, 400038 China
| | - Xunzhou Yu
- Institute of Burn Research, South-West Hospital, State Key Lab of Trauma, Burn and Combined Injury, Third Military Medical University (Army Medical University), Gaotanyan Road No. 30, Shapingba District, Chongqing, 400038 China
| | - Chengzhou Wu
- Department of Respiratory, Wuxi Country People’s Hospital, Chongqing, 405800 China
| | - Danfeng He
- Institute of Burn Research, South-West Hospital, State Key Lab of Trauma, Burn and Combined Injury, Third Military Medical University (Army Medical University), Gaotanyan Road No. 30, Shapingba District, Chongqing, 400038 China
| | - Jun Deng
- Institute of Burn Research, South-West Hospital, State Key Lab of Trauma, Burn and Combined Injury, Third Military Medical University (Army Medical University), Gaotanyan Road No. 30, Shapingba District, Chongqing, 400038 China
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Zhou X, Yuan L, Wu C, Cheng Chen, Luo G, Deng J, Mao Z. Recent review of the effect of nanomaterials on stem cells. RSC Adv 2018; 8:17656-17676. [PMID: 35542058 PMCID: PMC9080527 DOI: 10.1039/c8ra02424c] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 05/07/2018] [Indexed: 01/18/2023] Open
Abstract
The field of stem-cell-therapy offers considerable promise as a means of delivering new treatments for a wide range of diseases. Recent progress in nanotechnology has stimulated the development of multifunctional nanomaterials (NMs) for stem-cell-therapy. Several clinical trials based on the use of NMs are currently underway for stem-cell-therapy purposes, such as drug/gene delivery and imaging. However, the interactions between NMs and stem cells are far from being completed, and the effects of the NMs on cellular behavior need critical evaluation. In this review, the interactions between several types of mostly used NMs and stem cells, and their associated possible mechanisms are systematically discussed, with specific emphasis on the possible differentiation effects induced by NMs. It is expected that the enhanced understanding of NM-stem cell interactions will facilitate biomaterial design for stem-cell-therapy and regenerative medicine applications.
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Affiliation(s)
- Xu Zhou
- Department of Ophthalmology, Southwest Hospital, Third Military Medical University (Army Medical University) Chongqing 400038 China
| | - Long Yuan
- Department of Breast Surgery, Southwest Hospital, Third Military Medical University (Army Medical University) Chongqing 400038 China
| | - Chengzhou Wu
- Department of Respiratory, Wuxi Country People's Hospital Chongqing 405800 China
| | - Cheng Chen
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University) Chongqing 400038 China
| | - Gaoxing Luo
- Institute of Burn Research, Southwest Hospital, State Key Lab of Trauma, Burn and Combined Injury, Third Military Medical University (Army Medical University) Chongqing 400038 China
| | - Jun Deng
- Institute of Burn Research, Southwest Hospital, State Key Lab of Trauma, Burn and Combined Injury, Third Military Medical University (Army Medical University) Chongqing 400038 China
| | - Zhengwei Mao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University Hangzhou 310027 China
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