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Kim E, Tanzi RE, Choi SH. Therapeutic potential of exercise-hormone irisin in Alzheimer's disease. Neural Regen Res 2025; 20:1555-1564. [PMID: 38993140 DOI: 10.4103/nrr.nrr-d-24-00098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 06/04/2024] [Indexed: 07/13/2024] Open
Abstract
Irisin is a myokine that is generated by cleavage of the membrane protein fibronectin type III domain-containing protein 5 (FNDC5) in response to physical exercise. Studies reveal that irisin/FNDC5 has neuroprotective functions against Alzheimer's disease, the most common form of dementia in the elderly, by improving cognitive function and reducing amyloid-β and tau pathologies as well as neuroinflammation in cell culture or animal models of Alzheimer's disease. Although current and ongoing studies on irisin/FNDC5 show promising results, further mechanistic studies are required to clarify its potential as a meaningful therapeutic target for alleviating Alzheimer's disease. We recently found that irisin treatment reduces amyloid-β pathology by increasing the activity/levels of amyloid-β-degrading enzyme neprilysin secreted from astrocytes. Herein, we present an overview of irisin/FNDC5's protective roles and mechanisms against Alzheimer's disease.
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Affiliation(s)
- Eunhee Kim
- Genetics and Aging Research Unit, MassGeneral Institute for Neurodegenerative Disease, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
- McCance Center for Brain Health, Massachusetts General Hospital, Boston, MA, USA
| | - Rudolph E Tanzi
- Genetics and Aging Research Unit, MassGeneral Institute for Neurodegenerative Disease, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
- McCance Center for Brain Health, Massachusetts General Hospital, Boston, MA, USA
| | - Se Hoon Choi
- Genetics and Aging Research Unit, MassGeneral Institute for Neurodegenerative Disease, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
- McCance Center for Brain Health, Massachusetts General Hospital, Boston, MA, USA
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2
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Akasaka H, Sato D, Shihoya W, Nureki O, Kise Y. Cryo-EM structure of I domain-containing integrin αEβ7. Biochem Biophys Res Commun 2024; 721:150121. [PMID: 38781659 DOI: 10.1016/j.bbrc.2024.150121] [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: 05/08/2024] [Accepted: 05/13/2024] [Indexed: 05/25/2024]
Abstract
The integrin family is a transmembrane receptor that plays critical roles in the cell-cell and cell-extracellular matrix adhesion, signal transduction such as cell cycle regulation, organization of the intracellular cytoskeleton, and immune responses. Consequently, dysfunction of integrins is associated with a wide range of human diseases, including cancer and immune diseases, which makes integrins therapeutic targets for drug discovery. Here we report the cryo-EM structure of the human α-I domain-containing full-length integrin αEβ7, which is expressed in the leukocytes of the immune system and a drug target for inflammatory bowel disease (IBD). The structure reveals the half-bent conformation, an intermediate between the close and the open conformation, while the α-I domain responsible for the ligand binding covers the headpiece domain by a unique spatial arrangement. Our results provide the structural information for the drug design targeting IBD.
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Affiliation(s)
- Hiroaki Akasaka
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Bunkyo, Tokyo, 113-0033, Japan
| | - Dan Sato
- Curreio, Inc., Room 357, South Clinical Research Laboratory, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8485, Japan
| | - Wataru Shihoya
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Bunkyo, Tokyo, 113-0033, Japan
| | - Osamu Nureki
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Bunkyo, Tokyo, 113-0033, Japan; Curreio, Inc., Room 357, South Clinical Research Laboratory, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8485, Japan.
| | - Yoshiaki Kise
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Bunkyo, Tokyo, 113-0033, Japan; Curreio, Inc., Room 357, South Clinical Research Laboratory, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8485, Japan.
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3
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Harjunpää H, Tallberg R, Cui Y, Guenther C, Liew HK, Seelbach A, Saldo Rubio G, Airavaara M, Fagerholm SC. β2-Integrins Regulate Microglial Responses and the Functional Outcome of Hemorrhagic Stroke In Vivo. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 213:519-525. [PMID: 38921973 DOI: 10.4049/jimmunol.2300815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 06/10/2024] [Indexed: 06/27/2024]
Abstract
Stroke is one of the leading causes of death and long-term disabilities worldwide. In addition to interruption of blood flow, inflammation is widely recognized as an important factor mediating tissue destruction in stroke. Depending on their phenotype, microglia, the main leukocytes in the CNS, are capable of either causing further tissue damage or promoting brain restoration after stroke. β2-integrins are cell adhesion molecules that are constitutively expressed on microglia. The function of β2-integrins has been investigated extensively in animal models of ischemic stroke, but their role in hemorrhagic stroke is currently poorly understood. We show in this study that dysfunction of β2-integrins is associated with improved functional outcome and decreased inflammatory cytokine expression in the brain in a mouse model of hemorrhagic stroke. Furthermore, β2-integrins affect microglial phenotype and cytokine responses in vivo. Therefore, our findings suggest that targeting β2-integrins in hemorrhagic stroke may be beneficial.
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Affiliation(s)
- Heidi Harjunpää
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Robert Tallberg
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Yunhao Cui
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Carla Guenther
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Hock-Kean Liew
- Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Anna Seelbach
- Neuroscience Center, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Guillem Saldo Rubio
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Mikko Airavaara
- Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Susanna C Fagerholm
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
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4
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Iliopoulou M, Bajur AT, McArthur HCW, Gabai M, Coyle C, Ajao F, Köchl R, Cope AP, Spillane KM. Extracellular matrix rigidity modulates physical properties of subcapsular sinus macrophage-B cell immune synapses. Biophys J 2024; 123:2282-2300. [PMID: 37840242 DOI: 10.1016/j.bpj.2023.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 07/17/2023] [Accepted: 10/11/2023] [Indexed: 10/17/2023] Open
Abstract
Subcapsular sinus macrophages (SSMs) play a key role in immune defense by forming immunological barriers that control the transport of antigens from lymph into lymph node follicles. SSMs participate in antibody responses by presenting antigens directly to naive B cells and by supplying antigens to follicular dendritic cells to propagate germinal center reactions. Despite the prominent roles that SSMs play during immune responses, little is known about their cell biology because they are technically challenging to isolate and study in vitro. Here, we used multicolor fluorescence microscopy to identify lymph node-derived SSMs in culture. We focused on the role of SSMs as antigen-presenting cells, and found that their actin cytoskeleton regulates the spatial organization and mobility of multivalent antigens (immune complexes [ICs]) displayed on the cell surface. Moreover, we determined that SSMs are mechanosensitive cells that respond to changes in extracellular matrix rigidity by altering the architecture of the actin cytoskeleton, leading to changes in cell morphology, membrane topography, and IC mobility. Changes to extracellular matrix rigidity also modulate actin remodeling by both SSMs and B cells when they form an immune synapse. This alters synapse duration but not IC internalization nor NF-κB activation in the B cell. Taken together, our data reveal that the mechanical microenvironment may influence B cell responses by modulating physical characteristics of antigen presentation by SSMs.
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Affiliation(s)
- Maro Iliopoulou
- Department of Physics, King's College London, London, United Kingdom
| | - Anna T Bajur
- Department of Physics, King's College London, London, United Kingdom; Randall Centre for Cell & Molecular Biophysics, King's College London, London, United Kingdom
| | | | - Michael Gabai
- Department of Physics, King's College London, London, United Kingdom
| | - Carl Coyle
- Centre for Inflammation Biology and Cancer Immunology, King's College London, London, United Kingdom
| | - Favour Ajao
- Department of Physics, King's College London, London, United Kingdom
| | - Robert Köchl
- Peter Gorer Department of Immunobiology, King's College London, London, United Kingdom
| | - Andrew P Cope
- Centre for Inflammation Biology and Cancer Immunology, King's College London, London, United Kingdom
| | - Katelyn M Spillane
- Department of Physics, King's College London, London, United Kingdom; Randall Centre for Cell & Molecular Biophysics, King's College London, London, United Kingdom.
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5
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Dong M, Wang W, Wu W, Cheng X, Cheng J, Wang L, Song L. A novel surface marker CD49d promotes TNF expression in oyster agranulocytes by mediating the MAPK pathway. FISH & SHELLFISH IMMUNOLOGY 2024; 151:109702. [PMID: 38897309 DOI: 10.1016/j.fsi.2024.109702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 06/09/2024] [Accepted: 06/13/2024] [Indexed: 06/21/2024]
Abstract
CD49d, encoded by the gene Integrin α4, is a significant member of cell adhesion receptors, which is widely expressed in various immune cells to trigger immune responses against invading pathogens. In the present study, the expression of CgCD49d and its regulatory role in TNF expression were investigated in the Pacific oyster Crassostrea gigas. There were five Int-alpha domains, an Integrin_alpha2 region and a unique FG-GAP repeat region inserted identified in CgCD49d. CgCD49d transcript was specifically expressed in haemocytes, and its mRNA expression level in haemocytes increased after LPS and Vibrio splendidus stimulation. After CgCD49d was blocked by using its antibody, the phosphorylation level of CgJNK in the MAPK signaling pathway and CgTNF transcripts decreased significantly post V. splendidus stimulation. After phosphorylation level of CgJNK was inhibited by using its inhibitor, the nuclear translocation of CgRel was restrained and CgTNF transcripts also decreased significantly post V. splendidus stimulation. Furthermore, CgCD49d was found to be mainly expressed in the agranulocyte subpopulation, and Alexa Fluor 488-conjugated CgCD49d antibody labeled agranulocytes with a circle of green fluorescence signals on CgCD49d+ agranulocyte surface under Confocal microscopy, which accounted for 24.9 ± 4.53% of total haemocytes. Collectively, these results suggested that CgCD49d promoted TNF expression in oyster haemocytes against bacterial invasion by mediating MAPK pathway, and it could be used as a surface marker to type and sort a subset of agranulocyte subpopulation among haemocytes.
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Affiliation(s)
- Miren Dong
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China
| | - Weilin Wang
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China.
| | - Wei Wu
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China
| | - Xuemei Cheng
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China
| | - Junlei Cheng
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China
| | - Lingling Wang
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Linsheng Song
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China.
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Song C, Li L, Liu C, Hu L, Bai J, Liang W, Zhao L, Song W, Li S. Whole-exome sequencing screening for candidate genes and variants associated with primary sporadic keratoconus in Chinese patients. Exp Eye Res 2024; 245:109978. [PMID: 38908538 DOI: 10.1016/j.exer.2024.109978] [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: 11/14/2023] [Revised: 04/29/2024] [Accepted: 06/19/2024] [Indexed: 06/24/2024]
Abstract
The pathogenesis of keratoconus (KC) is complex, and genetic factors play an important role. The purpose of this study was to screen and analyse candidate genes and variants in Chinese patients with primary sporadic KC. Whole-exome sequencing (WES) was performed to identify candidate genes and variants in 105 unrelated Chinese patients with primary sporadic KC. Through a series of screening processes, 54 candidate variants in 26 KC candidate genes were identified in 53 KC patients (53/105, 50.5%). These 54 candidate variants included 10 previously identified variants in 9 KC candidate genes and 44 novel variants in 20 KC candidate genes. The previously identified variants occurred in 25.7% (27/105) of patients. Of these, 4 variants (COL6A5, c.5014T > G; CAST, c.1814G > A; ZNF469, c.946G > A; and MPDZ, c.3836A > G) were identified for the first time in Chinese KC patients. The novel variants occurred in 33.3% (35/105) of patients. Of the 26 screened KC candidate genes, 11 KC candidate genes (CAT, COL12A1, FLG, HKDC1, HSPG2, PLOD1, ITGA2, TFAP2B, USH2A, WNT10A, and COL6A5) were found to be potentially pathogenic in Chinese KC patients for the first time. Gene Ontology (GO) biological process (BP) enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis were performed on the 26 KC candidate genes using the Database for Annotation, Visualization, and Integrated Discovery (DAVID). The results showed that the KC candidate genes were significantly enriched in biological processes such as collagen fibril organization and extracellular matrix (ECM) organization and in ECM-receptor interaction and protein digestion and absorption pathways. The results further expand the spectrum of KC candidate variants and provide a basis for further KC gene studies.
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Affiliation(s)
- Chunyuan Song
- Aier Eye Hospital, Jinan University, Guangzhou, 510071, China
| | - Ling Li
- Beijing Aier-Intech Eye Hospital, Beijing, 100021, China; Aier Corneal Institute, Beijing, 100021, China
| | - Chang Liu
- Beijing Aier-Intech Eye Hospital, Beijing, 100021, China; Aier Corneal Institute, Beijing, 100021, China
| | - Luping Hu
- Beijing Aier-Intech Eye Hospital, Beijing, 100021, China
| | - Jie Bai
- Beijing Aier-Intech Eye Hospital, Beijing, 100021, China; Aier Corneal Institute, Beijing, 100021, China
| | - Weiyan Liang
- Aier Eye Hospital of Anhui Medical University, Anhui, 230031, China; Tianjin Aier Eye Hospital, Tianjin, 300000, China
| | - Lin Zhao
- Beijing Aier-Intech Eye Hospital, Beijing, 100021, China; Aier Corneal Institute, Beijing, 100021, China
| | - Wenxiu Song
- Beijing Aier-Intech Eye Hospital, Beijing, 100021, China; Aier Corneal Institute, Beijing, 100021, China
| | - Shaowei Li
- Aier Eye Hospital, Jinan University, Guangzhou, 510071, China; Beijing Aier-Intech Eye Hospital, Beijing, 100021, China; Aier Corneal Institute, Beijing, 100021, China; Aier Eye Hospital of Anhui Medical University, Anhui, 230031, China; Tianjin University, Tianjin, 300072, China.
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7
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Diodati N, Dupee Z, Lima F, Famiglietti J, Smolchek R, Qu G, Goddard Y, Nguyen D, Sawyer G, Phelps E, Mehrad B, Schaller M. 3D Culture Analysis of Cancer Cell Adherence to Ex Vivo Lung Microexplants. Tissue Eng Part C Methods 2024. [PMID: 39078332 DOI: 10.1089/ten.tec.2024.0146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/31/2024] Open
Abstract
Ex vivo 3D culture of human tissue explants addresses many limitations of traditional monolayer cell culture techniques, namely the lack of cellular heterogeneity and absence of 3D intercellular spatial relationships, but presents challenges with regard to repeatability due to the difficulty of acquiring multiple tissue samples from the same donor. In this study, we used a cryopreserved bank of human lung microexplants , ~1 mm3 fragments of peripheral lung from donors undergoing lung resection surgery, and a liquid-like-solid (LLS) 3D culture matrix to describe a method for the analysis of non-small cell lung cancer (NSCLC) adhesion to human lung tissue. H226 (squamous cell carcinoma), H441 (lung adenocarcinoma), and H460 (large cell carcinoma) cell lines were co-cultured with lung microexplants. Confocal fluorescence microscopy was used to visualize the adherence of each cell line to lung microexplants. Adherent cancer cells were quantified following filtration of non-adherent cells, digestion of cultured microexplants, and flow cytometry. This method was used to evaluate the role of integrins in cancer cell adherence. A statistically significant decrease in the adherence of H460 cells to lung microexplants was observed when anti-integrins were administered to H460 cells prior to co-culture with lung microexplants.
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Affiliation(s)
- Nickolas Diodati
- University of Florida, College of Medicine, Gainesville, Florida, United States;
| | - Zadia Dupee
- University of Florida, College of Medicine, Gainesville, Florida, United States;
| | - Felipe Lima
- University of Florida, College of Medicine, Gainesville, Florida, United States;
| | - Jack Famiglietti
- University of Florida, Herbert Wertheim College of Engineering, Gainesville, Florida, United States;
| | - Ryan Smolchek
- University of Florida, Herbert Wertheim College of Engineering, Gainesville, Florida, United States;
| | - Ganlin Qu
- University of Florida, College of Medicine, Gainesville, Florida, United States;
| | - Yana Goddard
- University of Florida, College of Medicine, Gainesville, Florida, United States;
| | - Duy Nguyen
- University of Florida, Herbert Wertheim College of Engineering, Gainesville, Florida, United States;
| | - Gregory Sawyer
- University of Florida, Herbert Wertheim College of Engineering, Gainesville, Florida, United States;
| | - Edward Phelps
- University of Florida, Gainesville, Florida, United States;
| | - Borna Mehrad
- University of Florida, College of Medicine, Gainesville, Florida, United States;
| | - Matthew Schaller
- University of Florida, College of Medicine, Gainesville, Florida, United States;
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Srinivasarao DA, Shah S, Famta P, Vambhurkar G, Jain N, Pindiprolu SKSS, Sharma A, Kumar R, Padhy HP, Kumari M, Madan J, Srivastava S. Unravelling the role of tumor microenvironment responsive nanobiomaterials in spatiotemporal controlled drug delivery for lung cancer therapy. Drug Deliv Transl Res 2024:10.1007/s13346-024-01673-z. [PMID: 39037533 DOI: 10.1007/s13346-024-01673-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/08/2024] [Indexed: 07/23/2024]
Abstract
Design and development of efficient drug delivery technologies that impart site-specificity is the need of the hour for the effective treatment of lung cancer. The emergence of materials science and nanotechnology partially helped drug delivery scientists to achieve this objective. Various stimuli-responsive materials that undergo degradation at the pathological tumor microenvironment (TME) have been developed and explored for drug delivery applications using nanotechnological approaches. Nanoparticles (NPs), owing to their small size and high surface area to volume ratio, demonstrated enhanced cellular internalization, permeation, and retention at the tumor site. Such passive accumulation of stimuli-responsive materials helped to achieve spatiotemporally controlled and targeted drug delivery within the tumors. In this review, we discussed various stimuli-physical (interstitial pressure, temperature, and stiffness), chemical (pH, hypoxia, oxidative stress, and redox state), and biological (receptor expression, efflux transporters, immune cells, and their receptors or ligands)-that are characteristic to the TME. We mentioned an array of biomaterials-based nanoparticulate delivery systems that respond to these stimuli and control drug release at the TME. Further, we discussed nanoparticle-based combinatorial drug delivery strategies. Finally, we presented our perspectives on challenges related to scale-up, clinical translation, and regulatory approvals.
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Affiliation(s)
- Dadi A Srinivasarao
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India.
| | - Saurabh Shah
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India
| | - Paras Famta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India
| | - Ganesh Vambhurkar
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India
| | - Naitik Jain
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India
| | - Sai Kiran S S Pindiprolu
- Aditya Pharmacy College, Surampalem, 533 437, Andhra Pradesh, India
- Jawaharlal Nehru Technological University, Kakinada, 533 003, Andhra Pradesh, India
| | - Anamika Sharma
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), 500037, Telangana, Hyderabad, India
| | - Rahul Kumar
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), 500037, Telangana, Hyderabad, India
| | - Hara Prasad Padhy
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), 500037, Telangana, Hyderabad, India
| | - Meenu Kumari
- Department of Chemical Sciences, National Institute of Pharmaceutical Education and Research (NIPER), 500037, Telangana, Hyderabad, India
| | - Jitender Madan
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India
| | - Saurabh Srivastava
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India.
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9
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Yu D, Lu Z, Chong Y. Integrins as a bridge between bacteria and cells: key targets for therapeutic wound healing. BURNS & TRAUMA 2024; 12:tkae022. [PMID: 39015251 PMCID: PMC11250365 DOI: 10.1093/burnst/tkae022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 12/17/2023] [Accepted: 04/22/2024] [Indexed: 07/18/2024]
Abstract
Integrins are heterodimers composed of α and β subunits that are bonded through non-covalent interactions. Integrins mediate the dynamic connection between extracellular adhesion molecules and the intracellular actin cytoskeleton. Integrins are present in various tissues and organs where these heterodimers participate in diverse physiological and pathological responses at the molecular level in living organisms. Wound healing is a crucial process in the recovery from traumatic diseases and comprises three overlapping phases: inflammation, proliferation and remodeling. Integrins are regulated during the entire wound healing process to enhance processes such as inflammation, angiogenesis and re-epithelialization. Prolonged inflammation may result in failure of wound healing, leading to conditions such as chronic wounds. Bacterial colonization of a wound is one of the primary causes of chronic wounds. Integrins facilitate the infectious effects of bacteria on the host organism, leading to chronic inflammation, bacterial colonization, and ultimately, the failure of wound healing. The present study investigated the role of integrins as bridges for bacteria-cell interactions during wound healing, evaluated the role of integrins as nodes for bacterial inhibition during chronic wound formation, and discussed the challenges and prospects of using integrins as therapeutic targets in wound healing.
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Affiliation(s)
- Dong Yu
- Department of Traditional Chinese Medicine, The Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou 225000, Jiangsu, China
- Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou 225000, Jiangsu, China
| | - Zhaoyu Lu
- Department of Traditional Chinese Medicine, The Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou 225000, Jiangsu, China
- Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou 225000, Jiangsu, China
| | - Yang Chong
- Department of Traditional Chinese Medicine, The Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou 225000, Jiangsu, China
- Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou 225000, Jiangsu, China
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10
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Sherratt SCR, Libby P, Dawoud H, Bhatt DL, Mason RP. Eicosapentaenoic Acid Improves Endothelial Nitric Oxide Bioavailability Via Changes in Protein Expression During Inflammation. J Am Heart Assoc 2024; 13:e034076. [PMID: 38958135 PMCID: PMC11292741 DOI: 10.1161/jaha.123.034076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Accepted: 05/14/2024] [Indexed: 07/04/2024]
Abstract
BACKGROUND Endothelial cell (EC) dysfunction involves reduced nitric oxide (NO) bioavailability due to NO synthase uncoupling linked to increased oxidation and reduced cofactor availability. Loss of endothelial function and NO bioavailability are associated with inflammation, including leukocyte activation. Eicosapentaenoic acid (EPA) administered as icosapent ethyl reduced cardiovascular events in REDUCE-IT (Reduction of Cardiovascular Events With Icosapent Ethyl-Intervention Trial) in relation to on-treatment EPA blood levels. The mechanisms of cardiovascular protection for EPA remain incompletely elucidated but likely involve direct effects on the endothelium. METHODS AND RESULTS In this study, human ECs were treated with EPA and challenged with the cytokine IL-6 (interleukin-6). Proinflammatory responses in the ECs were confirmed by ELISA capture of sICAM-1 (soluble intercellular adhesion molecule-1) and TNF-α (tumor necrosis factor-α). Global protein expression was determined using liquid chromatography-mass spectrometry tandem mass tag. Release kinetics of NO and peroxynitrite were monitored using porphyrinic nanosensors. IL-6 challenge induced proinflammatory responses from the ECs as evidenced by increased release of sICAM-1 and TNF-α, which correlated with a loss of NO bioavailability. ECs pretreated with EPA modulated expression of 327 proteins by >1-fold (P<0.05), compared with IL-6 alone. EPA augmented expression of proteins involved in NO production, including heme oxygenase-1 and dimethylarginine dimethylaminohydrolase-1, and 34 proteins annotated as associated with neutrophil degranulation. EPA reversed the endothelial NO synthase uncoupling induced by IL-6 as evidenced by an increased [NO]/[peroxynitrite] release ratio (P<0.05). CONCLUSIONS These direct actions of EPA on EC functions during inflammation may contribute to its distinct cardiovascular benefits.
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Affiliation(s)
- Samuel C. R. Sherratt
- Department of Molecular, Cellular, and Biomedical SciencesUniversity of New HampshireDurhamNHUSA
- Elucida ResearchBeverlyMAUSA
- Mount Sinai Fuster Heart HospitalIcahn School of Medicine at Mount SinaiNew YorkNYUSA
| | - Peter Libby
- Department of Medicine, Cardiovascular Division, Brigham and Women’s HospitalHarvard Medical SchoolBostonMAUSA
| | - Hazem Dawoud
- Nanomedical Research LaboratoryOhio UniversityAthensOHUSA
| | - Deepak L. Bhatt
- Mount Sinai Fuster Heart HospitalIcahn School of Medicine at Mount SinaiNew YorkNYUSA
| | - R. Preston Mason
- Elucida ResearchBeverlyMAUSA
- Department of Medicine, Cardiovascular Division, Brigham and Women’s HospitalHarvard Medical SchoolBostonMAUSA
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11
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Assayag M, Obedeyah T, Abutbul A, Berkman N. The integrin receptor beta 7 subunit mediates airway remodeling and hyperresponsiveness in allergen exposed mice. Respir Res 2024; 25:273. [PMID: 38997751 PMCID: PMC11241790 DOI: 10.1186/s12931-024-02899-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 06/29/2024] [Indexed: 07/14/2024] Open
Abstract
BACKGROUND Fibroblast differentiation to a myofibroblast phenotype is a feature of airway remodeling in asthma. Lung fibroblasts express the integrin receptor α4β7 and fibronectin induces myofibroblast differentiation via this receptor. OBJECTIVES To investigate the role of the β7 integrin receptor subunit and α4β7 integrin complex in airway remodeling and airway hyperresponsiveness (AHR) in a murine model of chronic allergen exposure. METHODS C57BL/6 wild type (WT) and β7 integrin null mice (β7 -/-) were sensitized (days 1,10) and challenged with ovalbumin (OVA) three times a week for one or 4 weeks. Similar experiments were performed with WT mice in the presence or absence of α4β7 blocking antibodies. Bronchoalveolar (BAL) cell counts, AHR, histological evaluation, soluble collagen content, Transforming growth factor-β (TGFβ) and Interleukin-13 (IL13) were measured. Phenotype of fibroblasts cultured from WT and β7 -/- saline (SAL) and OVA treated mice was evaluated. RESULTS Eosinophil numbers were similar in WT vs β7-/- mice. Prolonged OVA exposure in β7-/- mice was associated with reduced AHR, lung collagen content, peribronchial smooth muscle, lung tissue TGFβ and IL13 expression as compared to WT. Similar findings were observed in WT mice treated with α4β7 blocking antibodies. Fibroblast migration was enhanced in response to OVA in WT but not β7 -/- fibroblasts. α-SMA and fibronectin expression were reduced in β7-/- fibroblasts relative to WT. CONCLUSIONS The β7 integrin subunit and the α4β7 integrin complex modulate AHR and airway remodeling in a murine model of allergen exposure. This effect is, at least in part, explained by inhibition of fibroblast activation and is independent of eosinophilic inflammation.
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Affiliation(s)
- Miri Assayag
- Department of Pulmonary Medicine, Hadassah Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Ein Kerem, Jerusalem, Israel
| | - Tahrir Obedeyah
- Department of Pulmonary Medicine, Hadassah Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Ein Kerem, Jerusalem, Israel
| | - Avraham Abutbul
- Department of Pulmonary Medicine, Hadassah Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Ein Kerem, Jerusalem, Israel
| | - Neville Berkman
- Department of Pulmonary Medicine, Hadassah Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Ein Kerem, Jerusalem, Israel.
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12
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Niibori-Nambu A, Wang CQ, Chin DWL, Chooi JY, Hosoi H, Sonoki T, Tham CY, Nah GSS, Cirovic B, Tan DQ, Takizawa H, Sashida G, Goh Y, Tng J, Fam WN, Fullwood MJ, Suda T, Yang H, Tergaonkar V, Taniuchi I, Li S, Chng WJ, Osato M. Integrin-α9 overexpression underlies the niche-independent maintenance of leukemia stem cells in acute myeloid leukemia. Gene 2024; 928:148761. [PMID: 39002785 DOI: 10.1016/j.gene.2024.148761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Revised: 06/16/2024] [Accepted: 07/10/2024] [Indexed: 07/15/2024]
Abstract
Leukemia stem cells (LSCs) are widely believed to reside in well-characterized bone marrow (BM) niches; however, the capacity of the BM niches to accommodate LSCs is insufficient, and a significant proportion of LSCs are instead maintained in regions outside the BM. The molecular basis for this niche-independent behavior of LSCs remains elusive. Here, we show that integrin-α9 overexpression (ITGA9 OE) plays a pivotal role in the extramedullary maintenance of LSCs by molecularly mimicking the niche-interacting status, through the binding with its soluble ligand, osteopontin (OPN). Retroviral insertional mutagenesis conducted on leukemia-prone Runx-deficient mice identified Itga9 OE as a novel leukemogenic event. Itga9 OE activates Akt and p38MAPK signaling pathways. The elevated Myc expression subsequently enhances ribosomal biogenesis to overcome the cell integrity defect caused by the preexisting Runx alteration. The Itga9-Myc axis, originally discovered in mice, was further confirmed in multiple human acute myeloid leukemia (AML) subtypes, other than RUNX leukemias. In addition, ITGA9 was shown to be a functional LSC marker of the best prognostic value among 14 known LSC markers tested. Notably, the binding of ITGA9 with soluble OPN, a known negative regulator against HSC activation, induced LSC dormancy, while the disruption of ITGA9-soluble OPN interaction caused rapid cell propagation. These findings suggest that the ITGA9 OE increases both actively proliferating leukemia cells and dormant LSCs in a well-balanced manner, thereby maintaining LSCs. The ITGA9 OE would serve as a novel therapeutic target in AML.
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Affiliation(s)
- Akiko Niibori-Nambu
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; Department of Tumor Genetics and Biology, Graduate School of Medical Sciences, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Chelsia Qiuxia Wang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore; Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Desmond Wai Loon Chin
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Jing Yuan Chooi
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Hiroki Hosoi
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; Department of Hematology/Oncology, Wakayama Medical University, Wakayama, Japan
| | - Takashi Sonoki
- Department of Hematology/Oncology, Wakayama Medical University, Wakayama, Japan
| | - Cheng-Yong Tham
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Giselle Sek Suan Nah
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Branko Cirovic
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Darren Qiancheng Tan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Hitoshi Takizawa
- International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Goro Sashida
- International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Yufen Goh
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Jiaqi Tng
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Wee Nih Fam
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Melissa Jane Fullwood
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Toshio Suda
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan; Institute of Hematology, Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Henry Yang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Vinay Tergaonkar
- Laboratory of NFκB Signalling, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Ichiro Taniuchi
- Laboratory for Transcriptional Regulation, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Shang Li
- Cancer and Stem Cell Biology Program, Duke-NUS Medical School, Singapore, Singapore
| | - Wee Joo Chng
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; National University Cancer Institute, Singapore; National University Health System, Singapore.
| | - Motomi Osato
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan; Department of General Internal Medicine, Kumamoto Kenhoku Hospital, Kumamoto, Japan.
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13
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Majchrzak K, Hentschel E, Hönzke K, Geithe C, von Maltzahn J. We need to talk-how muscle stem cells communicate. Front Cell Dev Biol 2024; 12:1378548. [PMID: 39050890 PMCID: PMC11266305 DOI: 10.3389/fcell.2024.1378548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 06/18/2024] [Indexed: 07/27/2024] Open
Abstract
Skeletal muscle is one of the tissues with the highest ability to regenerate, a finely controlled process which is critically depending on muscle stem cells. Muscle stem cell functionality depends on intrinsic signaling pathways and interaction with their immediate niche. Upon injury quiescent muscle stem cells get activated, proliferate and fuse to form new myofibers, a process involving the interaction of multiple cell types in regenerating skeletal muscle. Receptors in muscle stem cells receive the respective signals through direct cell-cell interaction, signaling via secreted factors or cell-matrix interactions thereby regulating responses of muscle stem cells to external stimuli. Here, we discuss how muscle stem cells interact with their immediate niche focusing on how this controls their quiescence, activation and self-renewal and how these processes are altered in age and disease.
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Affiliation(s)
- Karolina Majchrzak
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus–Senftenberg, Senftenberg, Germany
| | - Erik Hentschel
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus–Senftenberg, Senftenberg, Germany
| | - Katja Hönzke
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus–Senftenberg, Senftenberg, Germany
- Department of Infectious Diseases and Respiratory Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Christiane Geithe
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus–Senftenberg, Senftenberg, Germany
| | - Julia von Maltzahn
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus–Senftenberg, Senftenberg, Germany
- Leibniz Institute on Aging, Fritz Lipmann Institute, Jena, Germany
- Faculty for Environment and Natural Sciences, Brandenburg University of Technology Cottbus—Senftenberg, Senftenberg, Germany
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14
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Hushka EA, Blatchley MR, Macdougall LJ, Yavitt FM, Kirkpatrick BE, Bera K, Dempsey PJ, Anseth KS. Fully synthetic hydrogels promote robust crypt formation in intestinal organoids. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.06.602364. [PMID: 39026840 PMCID: PMC11257427 DOI: 10.1101/2024.07.06.602364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Initial landmark studies in the design of synthetic hydrogels for intestinal organoid culture identified precise matrix requirements for differentiation, namely decompression of matrix-imposed forces and supplementation of laminin. But beyond stating the necessity of laminin, organoid-laminin interactions have gone largely unstudied, as this ubiquitous requirement of exogenous laminin hinders investigation. In this work, we exploit a fast stress relaxing, boronate ester based synthetic hydrogel for the culture of intestinal organoids, and fortuitously discover that unlike all other synthetic hydrogels to date, laminin does not need to be supplemented for crypt formation. This highly defined material provides a unique opportunity to investigate laminin-organoid interactions and how it influences crypt evolution and organoid function. Via fluorescent labeling of non-canonical amino acids, we further show that adaptable boronate ester bonds increase deposition of nascent proteins, including laminin. Collectively, these results advance the understanding of how mechanical and matricellular signaling influence intestinal organoid development.
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Affiliation(s)
- Ella A Hushka
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Michael R Blatchley
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Laura J Macdougall
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80309, USA
| | - F Max Yavitt
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Bruce E Kirkpatrick
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80309, USA
- Medical Scientist Training Program, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Kaustav Bera
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Peter J Dempsey
- Section of Developmental Biology, Department of Pediatrics, University of Colorado, Denver, CO 80045, USA
| | - Kristi S Anseth
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80309, USA
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15
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Wang R, Tian Z, Zhu M, Zhang B, Li Y, Zheng Y, Mao Y, Zhao Y, Yang Y. SARS-CoV-2 spike protein potentiates platelet aggregation via upregulating integrin αIIbβ3 outside-in signaling pathway. J Thromb Thrombolysis 2024:10.1007/s11239-024-03008-8. [PMID: 38981976 DOI: 10.1007/s11239-024-03008-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/25/2024] [Indexed: 07/11/2024]
Abstract
Platelet hyperreactivity is one of the crucial causes of coagulative disorders in patients with COVID-19. Few studies have indicated that integrin αIIbβ3 may be a potential target for spike protein binding to platelets. This study aims to investigate whether spike protein interacts with platelet integrin αIIbβ3 and upregulates outside-in signaling to potentiate platelet aggregation. In this study, we found that spike protein significantly potentiated platelet aggregation induced by different agonists and platelet spreading in vitro. Mechanism studies revealed that spike protein upregulated the outside-in signaling, such as increased thrombin-induced phosphorylation of β3, c-Src. Moreover, using tirofiban to inhibit spike protein binding to αIIbβ3 or using PP2 to block outside-in signaling, we found that the potentiating effect of spike protein on platelet aggregation was abolished. These results demonstrate that SARS-CoV-2 spike protein directly enhances platelet aggregation via integrin αIIbβ3 outside-in signaling, and suggest a potential target for platelet hyperreactivity in patients with COVID-19. HIGHLIGHTS: • Spike protein potentiates platelet aggregation and upregulates αIIbβ3 outside-in signaling. • Spike protein interacts with integrin αIIbβ3 to potentiate platelet aggregation. • Blocking outside-in signaling abolishes the effect of spike protein on platelets.
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Affiliation(s)
- Ruijie Wang
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Guangdong Province, Shenzhen, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangdong Province, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangdong Province, Guangzhou, China
| | - Zezhong Tian
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Guangdong Province, Shenzhen, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangdong Province, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangdong Province, Guangzhou, China
| | - Meiyan Zhu
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Guangdong Province, Shenzhen, China
| | - Bingying Zhang
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Guangdong Province, Shenzhen, China
| | - Yanzhang Li
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Guangdong Province, Shenzhen, China
| | - Yiqi Zheng
- Zhongshan School of Medicine, Sun Yat-sen University, Guangdong Province, Guangzhou, China
| | - Yuheng Mao
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Guangdong Province, Shenzhen, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangdong Province, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangdong Province, Guangzhou, China
| | - Yimin Zhao
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Guangdong Province, Shenzhen, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangdong Province, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangdong Province, Guangzhou, China
| | - Yan Yang
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Guangdong Province, Shenzhen, China.
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangdong Province, Shenzhen, China.
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangdong Province, Guangzhou, China.
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16
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Cui Y, Rolova T, Fagerholm SC. The role of integrins in brain health and neurodegenerative diseases. Eur J Cell Biol 2024; 103:151441. [PMID: 39002282 DOI: 10.1016/j.ejcb.2024.151441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/28/2024] [Accepted: 07/02/2024] [Indexed: 07/15/2024] Open
Abstract
Integrins are heterodimeric membrane proteins expressed on the surface of most cells. They mediate adhesion and signaling processes relevant for a wealth of physiological processes, including nervous system development and function. Interestingly, integrins are also recognized therapeutic targets for inflammatory diseases, such as multiple sclerosis. Here, we discuss the role of integrins in brain development and function, as well as in neurodegenerative diseases affecting the brain (Alzheimer's disease, multiple sclerosis, stroke). Furthermore, we discuss therapeutic targeting of these adhesion receptors in inflammatory diseases of the brain.
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Affiliation(s)
- Yunhao Cui
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki 00790, Finland
| | - Taisia Rolova
- Neuroscience Center, HiLIFE, University of Helsinki, Helsinki 00290, Finland
| | - Susanna C Fagerholm
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki 00790, Finland.
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17
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Hamblin MH, Boese AC, Murad R, Lee JP. MMP-3 Knockout Induces Global Transcriptional Changes and Reduces Cerebral Infarction in Both Male and Female Models of Ischemic Stroke. Int J Mol Sci 2024; 25:7383. [PMID: 39000490 PMCID: PMC11242542 DOI: 10.3390/ijms25137383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Revised: 06/25/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
Ischemic stroke followed by reperfusion (IR) leads to extensive cerebrovascular injury characterized by neuroinflammation and brain cell death. Inhibition of matrix metalloproteinase-3 (MMP-3) emerges as a promising therapeutic approach to mitigate IR-induced stroke injury. We employed middle cerebral artery occlusion with subsequent reperfusion (MCAO/R) to model ischemic stroke in adult mice. Specifically, we investigated the impact of MMP-3 knockout (KO) on stroke pathophysiology using RNA sequencing (RNA-seq) of stroke brains harvested 48 h post-MCAO. MMP-3 KO significantly reduced brain infarct size following stroke. Notably, RNA-seq analysis showed that MMP-3 KO altered expression of 333 genes (252 downregulated) in male stroke brains and 3768 genes (889 downregulated) in female stroke brains. Functional pathway analysis revealed that inflammation, integrin cell surface signaling, endothelial- and epithelial-mesenchymal transition (EndMT/EMT), and apoptosis gene signatures were decreased in MMP-3 KO stroke brains. Intriguingly, MMP-3 KO downregulated gene signatures more profoundly in females than in males, as indicated by greater negative enrichment scores. Our study underscores MMP-3 inhibition as a promising therapeutic strategy, impacting multiple cellular pathways following stroke.
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Affiliation(s)
- Milton H. Hamblin
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, Riverside, CA 92521, USA
- Health Sciences Center, Tulane University, New Orleans, LA 70112, USA
| | - Austin C. Boese
- School of Medicine, Emory University, Atlanta, GA 30322, USA;
| | - Rabi Murad
- Bioinformatics, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA;
| | - Jean-Pyo Lee
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, Riverside, CA 92521, USA
- Department of Physiology, Tulane University School of Medicine, New Orleans, LA 70112, USA
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18
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Gu J, Isaji T. Specific sialylation of N-glycans and its novel regulatory mechanism. Glycoconj J 2024:10.1007/s10719-024-10157-8. [PMID: 38958800 DOI: 10.1007/s10719-024-10157-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 06/04/2024] [Accepted: 06/19/2024] [Indexed: 07/04/2024]
Abstract
Altered glycosylation is a common feature of cancer cells. Some subsets of glycans are found to be frequently enriched on the tumor cell surface and implicated in different tumor phenotypes. Among these, changes in sialylation have long been associated with metastatic cell behaviors such as invasion and enhanced cell survival. Sialylation typically exists in three prominent linkages: α2,3, α2,6, and α2,8, catalyzed by a group of sialyltransferases. The aberrant expression of all three linkages has been related to cancer progression. The increased α2,6 sialylation on N-glycans catalyzed by β-galactoside α2,6 sialyltransferase 1 (ST6Gal1) is frequently observed in many cancers. In contrast, functions of α2,3 sialylation on N-glycans catalyzed by at least three β-galactoside α2,3-sialyltransferases, ST3Gal3, ST3Gal4, and ST3Gal6 remain elusive due to a possibility of compensating for one another. In this minireview, we briefly describe functions of sialylation and recent findings that different α2,3 sialyltransferases specifically modify target proteins, as well as sialylation regulatory mechanisms vis a complex formation among integrin α3β1, Golgi phosphoprotein 3 (GOLPH3), phosphatidylinositol 4-kinase IIα (PI4KIIα), focal adhesion kinase (FAK) and sialyltransferase, which suggests a new concept for the regulation of glycosylation in cell biology.
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Affiliation(s)
- Jianguo Gu
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai, Miyagi, 981-8558, Japan.
| | - Tomoya Isaji
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai, Miyagi, 981-8558, Japan
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19
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Branco F, Cunha J, Mendes M, Vitorino C, Sousa JJ. Peptide-Hitchhiking for the Development of Nanosystems in Glioblastoma. ACS NANO 2024; 18:16359-16394. [PMID: 38861272 PMCID: PMC11223498 DOI: 10.1021/acsnano.4c01790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 05/15/2024] [Accepted: 05/23/2024] [Indexed: 06/12/2024]
Abstract
Glioblastoma (GBM) remains the epitome of aggressiveness and lethality in the spectrum of brain tumors, primarily due to the blood-brain barrier (BBB) that hinders effective treatment delivery, tumor heterogeneity, and the presence of treatment-resistant stem cells that contribute to tumor recurrence. Nanoparticles (NPs) have been used to overcome these obstacles by attaching targeting ligands to enhance therapeutic efficacy. Among these ligands, peptides stand out due to their ease of synthesis and high selectivity. This article aims to review single and multiligand strategies critically. In addition, it highlights other strategies that integrate the effects of external stimuli, biomimetic approaches, and chemical approaches as nanocatalytic medicine, revealing their significant potential in treating GBM with peptide-functionalized NPs. Alternative routes of parenteral administration, specifically nose-to-brain delivery and local treatment within the resected tumor cavity, are also discussed. Finally, an overview of the significant obstacles and potential strategies to overcome them are discussed to provide a perspective on this promising field of GBM therapy.
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Affiliation(s)
- Francisco Branco
- Faculty
of Pharmacy, University of Coimbra, Pólo das Ciências
da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Joana Cunha
- Faculty
of Pharmacy, University of Coimbra, Pólo das Ciências
da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Maria Mendes
- Faculty
of Pharmacy, University of Coimbra, Pólo das Ciências
da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
- Coimbra
Chemistry Centre, Institute of Molecular Sciences − IMS, Faculty
of Sciences and Technology, University of
Coimbra, 3004-535 Coimbra, Portugal
| | - Carla Vitorino
- Faculty
of Pharmacy, University of Coimbra, Pólo das Ciências
da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
- Coimbra
Chemistry Centre, Institute of Molecular Sciences − IMS, Faculty
of Sciences and Technology, University of
Coimbra, 3004-535 Coimbra, Portugal
| | - João J. Sousa
- Faculty
of Pharmacy, University of Coimbra, Pólo das Ciências
da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
- Coimbra
Chemistry Centre, Institute of Molecular Sciences − IMS, Faculty
of Sciences and Technology, University of
Coimbra, 3004-535 Coimbra, Portugal
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20
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Liu J, Guo F, Chen X, Fu P, Ma L. Integrin αM promotes macrophage alternative M2 polarization in hyperuricemia-related chronic kidney disease. MedComm (Beijing) 2024; 5:e580. [PMID: 38911067 PMCID: PMC11193137 DOI: 10.1002/mco2.580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 03/30/2024] [Accepted: 04/01/2024] [Indexed: 06/25/2024] Open
Abstract
Hyperuricemia is an essential risk factor in chronic kidney disease (CKD), while urate-lowering therapy to prevent or delay CKD is controversial. Alternatively activated macrophages in response to local microenvironment play diverse roles in kidney diseases. Here, we aim to investigate whether and how macrophage integrin αM (ITGAM) contributes to hyperuricemia-related CKD. In vivo, we explored dynamic characteristics of renal tissue in hyperuricemia-related CKD mice. By incorporating transcriptomics and phosphoproteomics data, we analyzed gene expression profile, hub genes and potential pathways. In vitro, we validated bioinformatic findings under different conditions with interventions corresponding to core nodes. We found that hyperuricemia-related CKD was characterized by elevated serum uric acid levels, impaired renal function, activation of macrophage alternative (M2) polarization, and kidney fibrosis. Integrated bioinformatic analyses revealed Itgam as the potential core gene, which was associated with focal adhesion signaling. Notably, we confirmed the upregulated expression of macrophage ITGAM, activated pathway, and macrophage M2 polarization in injured kidneys. In vitro, through silencing Itgam, inhibiting p-FAK or p-AKT1 phosphorylation, and concurrent inhibiting of p-FAK while activating p-AKT1 all contributed to the modulation of macrophage M2 polarization. Our results indicated targeting macrophage ITGAM might be a promising therapeutic approach for preventing CKD.
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Affiliation(s)
- Jing Liu
- Division of Nephrology, Institute of Kidney DiseasesWest China Hospital of Sichuan UniversityChengduChina
| | - Fan Guo
- Division of Nephrology, Institute of Kidney DiseasesWest China Hospital of Sichuan UniversityChengduChina
| | - Xiaoting Chen
- Animal Experimental CenterWest China Hospital of Sichuan UniversityChengduChina
| | - Ping Fu
- Division of Nephrology, Institute of Kidney DiseasesWest China Hospital of Sichuan UniversityChengduChina
| | - Liang Ma
- Division of Nephrology, Institute of Kidney DiseasesWest China Hospital of Sichuan UniversityChengduChina
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21
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Cheung BCH, Abbed RJ, Wu M, Leggett SE. 3D Traction Force Microscopy in Biological Gels: From Single Cells to Multicellular Spheroids. Annu Rev Biomed Eng 2024; 26:93-118. [PMID: 38316064 DOI: 10.1146/annurev-bioeng-103122-031130] [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] [Indexed: 02/07/2024]
Abstract
Cell traction force plays a critical role in directing cellular functions, such as proliferation, migration, and differentiation. Current understanding of cell traction force is largely derived from 2D measurements where cells are plated on 2D substrates. However, 2D measurements do not recapitulate a vital aspect of living systems; that is, cells actively remodel their surrounding extracellular matrix (ECM), and the remodeled ECM, in return, can have a profound impact on cell phenotype and traction force generation. This reciprocal adaptivity of living systems is encoded in the material properties of biological gels. In this review, we summarize recent progress in measuring cell traction force for cells embedded within 3D biological gels, with an emphasis on cell-ECM cross talk. We also provide perspectives on tools and techniques that could be adapted to measure cell traction force in complex biochemical and biophysical environments.
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Affiliation(s)
- Brian C H Cheung
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, New York, USA;
| | - Rana J Abbed
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, Illinois, USA;
| | - Mingming Wu
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, New York, USA;
| | - Susan E Leggett
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, Illinois, USA;
- Cancer Center at Illinois, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
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22
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Lei T, Lin Y, Lai X, Zhang Y, Ma Y, Wang X, Liu W, Tang Q, Yang T, Feng W, Song W. ITGB5 facilitates gastric cancer metastasis by promoting TGFBR2 endosomal recycling. Cancer Lett 2024; 592:216953. [PMID: 38729557 DOI: 10.1016/j.canlet.2024.216953] [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: 01/09/2024] [Revised: 04/30/2024] [Accepted: 05/07/2024] [Indexed: 05/12/2024]
Abstract
TGFBR2, a key regulator of the TGFβ signaling pathway, plays a crucial role in gastric cancer (GC) metastasis through its endosomal recycling process. Despite its importance, the mechanisms governing this process remain unclear. Here, we identify integrin β5 (ITGB5) as a critical mediator that promotes TGFBR2 endosomal recycling. Our study reveals elevated expression of ITGB5 in GC, particularly in metastatic cases, correlating with poor patient outcomes. Knockdown of ITGB5 impairs GC cell metastasis both in vitro and in vivo. Mechanistically, ITGB5 facilitates epithelial-mesenchymal transition mediated by TGFβ signaling, thereby enhancing GC metastasis. Acting as a scaffold, ITGB5 interacts with TGFBR2 and SNX17, facilitating SNX17-mediated endosomal recycling of TGFBR2 and preventing lysosomal degradation, thereby maintaining its surface distribution on tumor cells. Notably, TGFβ signaling directly upregulates ITGB5 expression, establishing a positive feedback loop that exacerbates GC metastasis. Our findings shed light on the role of ITGB5 in promoting GC metastasis through SNX17-mediated endosomal recycling of TGFBR2, providing insights for the development of targeted cancer therapies.
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Affiliation(s)
- Tianxiang Lei
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Yingying Lin
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Xiaofan Lai
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Yongxin Zhang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China; Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Yuanchen Ma
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China; Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou, Guangdong, 510080, China
| | - Xiaofeng Wang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China; Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Wenwei Liu
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Qiao Tang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Ting Yang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Wei Feng
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China; Department of Oncology-Pathology, Karolinska Institutet, Karolinska University Hospital, Bioclinicum, Solna, 17177, Sweden
| | - Wu Song
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China.
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23
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Li X, Jiang S, Gu X, Liu X, Shang S, Zhang J, Pang K, Li W. Assessment of the safety of Roxadustat for cardiovascular events in chronic kidney disease-related anemia using meta-analysis and bioinformatics. Front Pharmacol 2024; 15:1380326. [PMID: 38962312 PMCID: PMC11220233 DOI: 10.3389/fphar.2024.1380326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 05/31/2024] [Indexed: 07/05/2024] Open
Abstract
Objective This study compares the cardiovascular risk in anemic chronic kidney disease patients treated with Roxadustat versus erythropoietin stimulating agents (ESAs). It also explores the cardiovascular impact of Roxadustat. Methods We searched PubMed, EMBASE, Cochrane, Scopus, and Web of Science databases up to 13 August 2023, using terms such as "ESA," "Roxadustat," "MACE," "stroke," "death," "myocardial infarction," and "heart failure." Two researchers independently selected and extracted data based on predefined criteria. We assessed the risk of bias with the Cochrane tool and analyzed statistical heterogeneity using the Q and I2 tests. We conducted subgroup analyses by geographical region and performed data analysis with Stata 14.0 and RevMan 5.4 software. Data were sourced from the NCBI database by filtering for "Roxadustat" and "human," and differentially expressed genes were identified using R software, setting the significance at p < 0.01 and a 2-fold logFC, followed by GO enrichment analysis, KEGG pathway analysis, and protein interaction network analysis. Results A total of 15 articles encompassing 1,43,065 patients were analyzed, including 1,38,739 patients treated with ESA and 4,326 patients treated with Roxadustat. In the overall population meta-analysis, the incidences of Major Adverse Cardiovascular Events (MACE), death, and heart failure (HF) were 13%, 8%, and 4% in the Roxadustat group, compared to 17%, 12%, and 6% in the ESA group, respectively, with P-values greater than 0.05. In the subgroup analysis, the incidences were 13%, 11%, and 4% for the Roxadustat group versus 17%, 15%, and 5% for the ESA group, also with p-values greater than 0.05. Bioinformatics analysis identified 59 differentially expressed genes, mainly involved in the inflammatory response. GO enrichment analysis revealed that these genes are primarily related to integrin binding. The main pathways identified were the TNF signaling pathway, NF-κB signaling pathway, and lipid metabolism related to atherosclerosis. The protein interaction network highlighted IL1B, CXCL8, ICAM1, CCL2, and CCL5 as the top five significantly different genes, all involved in the inflammatory response and downregulated by Roxadustat, suggesting a potential role in reducing inflammation. Conclusion The meta-analysis suggests that the use of Roxadustat and ESA in treating anemia associated with chronic kidney disease does not significantly alter the likelihood of cardiovascular events in the overall and American populations. However, Roxadustat exhibited a safer profile with respect to MACE, death, and heart failure. The bioinformatics findings suggest that Roxadustat may influence integrin adhesion and affect the TNF and NF-κB signaling pathways, along with lipid and atherosclerosis pathways, potentially reducing inflammation.
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Affiliation(s)
- Xiangmeng Li
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
- Peking Union Medical College, Beijing, China
- Key Laboratory of Chronic Kidney Disease and Mineral Metabolism of Hebei Province, Baoding, Hebei, China
| | - Shimin Jiang
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
| | - Xia Gu
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
- Peking Union Medical College, Beijing, China
| | - Xiaojing Liu
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
- Peking Union Medical College, Beijing, China
| | - Shunlai Shang
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
| | - Jiao Zhang
- Beijing University of Chinese Medicine, Beijing, China
| | - Keying Pang
- College of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei, China
| | - Wenge Li
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
- Peking Union Medical College, Beijing, China
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24
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Shahini E, Argentiero A, Andriano A, Losito F, Maida M, Facciorusso A, Cozzolongo R, Villa E. Hepatitis E Virus: What More Do We Need to Know? MEDICINA (KAUNAS, LITHUANIA) 2024; 60:998. [PMID: 38929615 PMCID: PMC11205503 DOI: 10.3390/medicina60060998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/14/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024]
Abstract
Hepatitis E virus (HEV) infection is typically a self-limiting, acute illness that spreads through the gastrointestinal tract but replicates in the liver. However, chronic infections are possible in immunocompromised individuals. The HEV virion has two shapes: exosome-like membrane-associated quasi-enveloped virions (eHEV) found in circulating blood or in the supernatant of infected cell cultures and non-enveloped virions ("naked") found in infected hosts' feces and bile to mediate inter-host transmission. Although HEV is mainly spread via enteric routes, it is unclear how it penetrates the gut wall to reach the portal bloodstream. Both virion types are infectious, but they infect cells in different ways. To develop personalized treatment/prevention strategies and reduce HEV impact on public health, it is necessary to decipher the entry mechanism for both virion types using robust cell culture and animal models. The contemporary knowledge of the cell entry mechanism for these two HEV virions as possible therapeutic target candidates is summarized in this narrative review.
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Affiliation(s)
- Endrit Shahini
- Gastroenterology Unit, National Institute of Gastroenterology-IRCCS “Saverio de Bellis”, Castellana Grotte, 70013 Bari, Italy; (F.L.); (R.C.)
| | | | - Alessandro Andriano
- Department of Precision and Regenerative Medicine and Ionian Area, University of Bari Aldo Moro Medical School, 70124 Bari, Italy;
| | - Francesco Losito
- Gastroenterology Unit, National Institute of Gastroenterology-IRCCS “Saverio de Bellis”, Castellana Grotte, 70013 Bari, Italy; (F.L.); (R.C.)
| | - Marcello Maida
- Gastroenterology and Endoscopy Unit, S. Elia-Raimondi Hospital, 93100 Caltanissetta, Italy;
| | - Antonio Facciorusso
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy;
| | - Raffaele Cozzolongo
- Gastroenterology Unit, National Institute of Gastroenterology-IRCCS “Saverio de Bellis”, Castellana Grotte, 70013 Bari, Italy; (F.L.); (R.C.)
| | - Erica Villa
- Gastroenterology Unit, CHIMOMO Department, University of Modena & Reggio Emilia, Via del Pozzo 71, 41121 Modena, Italy
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25
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Zhang M, Wu X, Zhu H, Fu C, Yang W, Jing X, Liu W, Cheng Y. Construction and Bioinformatics Analysis of ceRNA Regulatory Networks in Idiopathic Pulmonary Fibrosis. Biochem Genet 2024:10.1007/s10528-024-10853-y. [PMID: 38871957 DOI: 10.1007/s10528-024-10853-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 05/30/2024] [Indexed: 06/15/2024]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive form of pulmonary fibrosis of unknown etiology. Despite ongoing research, there is currently no cure for this disease. Recent studies have highlighted the significance of competitive endogenous RNA (ceRNA) regulatory networks in IPF development. Therefore, this study investigated the ceRNA network associated with IPF pathogenesis. We obtained gene expression datasets (GSE32538, GSE32537, GSE47460, and GSE24206) from the Gene Expression Omnibus (GEO) database and analyzed them using bioinformatics tools to identify differentially expressed messenger RNAs (DEmRNAs), microRNAs (DEmiRNAs), and long non-coding RNAs (DElncRNA). For DEmRNAs, we conducted an enrichment analysis, constructed protein-protein interaction networks, and identified hub genes. Additionally, we predicted the target genes of differentially expressed mRNAs and their interacting long non-coding RNAs using various databases. Subsequently, we screened RNA molecules with ceRNA regulatory relations in the lncACTdb database based on the screening results. Furthermore, we performed disease and functional enrichment analyses and pathway prediction for miRNAs in the ceRNA network. We also validated the expression levels of candidate DEmRNAs through quantitative real-time reverse transcriptase polymerase chain reaction and analyzed the correlation between the expression of these candidate DEmRNAs and the percent predicted pre-bronchodilator forced vital capacity [%predicted FVC (pre-bd)]. We found that three ceRNA regulatory axes, specifically KCNQ1OT1/XIST/NEAT1-miR-20a-5p-ITGB8, XIST-miR-146b-5p/miR-31-5p- MMP16, and NEAT1-miR-31-5p-MMP16, have the potential to significantly affect IPF progression. Further examination of the underlying regulatory mechanisms within this network enhances our understanding of IPF pathogenesis and may aid in the identification of diagnostic biomarkers and therapeutic targets.
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Affiliation(s)
- Menglin Zhang
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
- Department of Clinical Medicine, Guizhou Medical University, Guiyang, 550004, China
- Department of Respiratory and Critical Care Medicine, People's Hospital of Anshun City Guizhou Province, Anshun, 561000, China
| | - Xiao Wu
- Department of Critical Care Medicine, The Second People's Hospital of Guiyang, Guiyang, 550004, China
| | - Honglan Zhu
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Chenkun Fu
- Department of Clinical Medicine, Guizhou Medical University, Guiyang, 550004, China
| | - Wenting Yang
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Xiaoting Jing
- Department of Respiratory and Critical Care Medicine, Guiyang Public Health Clinical Center, Guiyang, 550002, China.
| | - Wenqu Liu
- Department of Respiratory and Critical Care Medicine, People's Hospital of Anshun City Guizhou Province, Anshun, 561000, China.
| | - Yiju Cheng
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China.
- Department of Respiratory and Critical Care Medicine, The Fourth People's Hospital of Guiyang, Guiyang, 550002, China.
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26
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Lin S, Wang J, Mukherjee PK, Mao R, West G, Czarnecki D, Zhao S, Nguyen QT, Elias M, Massey WJ, Liu W, Wang Y, Prasad A, Banerjee S, Goren I, Chandra J, Le HT, Dejanovic D, Li J, Chen M, Holubar S, Olman M, Southern B, Hu S, Gordon IO, Atabai K, Fiocchi C, Rieder F. Milk fat globule-epidermal growth factor 8 (MFGE8) prevents intestinal fibrosis. Gut 2024; 73:1110-1123. [PMID: 38378253 PMCID: PMC11248270 DOI: 10.1136/gutjnl-2022-328608] [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: 08/31/2022] [Accepted: 01/18/2024] [Indexed: 02/22/2024]
Abstract
OBJECTIVE Intestinal fibrosis is considered an inevitable consequence of chronic IBD, leading to stricture formation and need for surgery. During the process of fibrogenesis, extracellular matrix (ECM) components critically regulate the function of mesenchymal cells. We characterised the composition and function of ECM in fibrostenosing Crohn's disease (CD) and control tissues. DESIGN Decellularised full-thickness intestinal tissue platforms were tested using three different protocols, and ECM composition in different tissue phenotypes was explored by proteomics and validated by quantitative PCR (qPCR) and immunohistochemistry. Primary human intestinal myofibroblasts (HIMFs) treated with milk fat globule-epidermal growth factor 8 (MFGE8) were evaluated regarding the mechanism of their antifibrotic response, and the action of MFGE8 was tested in two experimental intestinal fibrosis models. RESULTS We established and validated an optimal decellularisation protocol for intestinal IBD tissues. Matrisome analysis revealed elevated MFGE8 expression in CD strictured (CDs) tissue, which was confirmed at the mRNA and protein levels. Treatment with MFGE8 inhibited ECM production in normal control HIMF but not CDs HIMF. Next-generation sequencing uncovered functionally relevant integrin-mediated signalling pathways, and blockade of integrin αvβ5 and focal adhesion kinase rendered HIMF non-responsive to MFGE8. MFGE8 prevented and reversed experimental intestinal fibrosis in vitro and in vivo. CONCLUSION MFGE8 displays antifibrotic effects, and its administration may represent a future approach for prevention of IBD-induced intestinal strictures.
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Affiliation(s)
- Sinan Lin
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Jie Wang
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
- Henan Key Laboratory of Immunology and Targeted Drug, Xinxiang Medical University, Xinxiang, Henan Province, China
| | - Pranab K Mukherjee
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Ren Mao
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Gail West
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Doug Czarnecki
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Shuai Zhao
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Quang Tam Nguyen
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Michael Elias
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - William J Massey
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - WeiWei Liu
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Yan Wang
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Ankita Prasad
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Suhanti Banerjee
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Idan Goren
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Jyotsna Chandra
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Hongnga T Le
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Dina Dejanovic
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Jiannan Li
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Minhu Chen
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Stefan Holubar
- Department of Colorectal Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Mitchell Olman
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Brian Southern
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Shaomin Hu
- Department of Pathology, Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Ilyssa O Gordon
- Department of Pathology, Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Kamran Atabai
- Cardiovascular Research Institute, Lung Biology Center, Department of Medicine, University of California San Francisco, San Francisco, California, USA
| | - Claudio Fiocchi
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
- Department of Gastroenterology, Hepatology and Nutrition, Digestive Disease Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Florian Rieder
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
- Department of Gastroenterology, Hepatology and Nutrition, Digestive Disease Institute, Cleveland Clinic, Cleveland, Ohio, USA
- Program for Global Translational Inflammatory Bowel Diseases, Cleveland Clinic, Cleveland, Ohio, USA
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27
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Geethadevi A, Ku Z, Tsaih SW, Parashar D, Kadamberi IP, Xiong W, Deng H, George J, Kumar S, Mittal S, Zhang N, Pradeep S, An Z, Chaluvally-Raghavan P. Blocking Oncostatin M receptor abrogates STAT3 mediated integrin signaling and overcomes chemoresistance in ovarian cancer. NPJ Precis Oncol 2024; 8:127. [PMID: 38839865 PMCID: PMC11153533 DOI: 10.1038/s41698-024-00593-y] [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: 01/07/2024] [Accepted: 04/30/2024] [Indexed: 06/07/2024] Open
Abstract
Chemotherapy such as cisplatin is widely used to treat ovarian cancer either before or after surgical debulking. However, cancer relapse due to chemotherapy resistance is a major challenge in the treatment of ovarian cancer. The underlying mechanisms related to chemotherapy resistance remain largely unclear. Therefore, identification of effective therapeutic strategies is urgently needed to overcome therapy resistance. Transcriptome-based analysis, in vitro studies and functional assays identified that cisplatin-resistant ovarian cancer cells express high levels of OSMR compared to cisplatin sensitive cells. Furthermore, OSMR expression associated with a module of integrin family genes and predominantly linked with integrin αV (ITGAV) and integrin β3 (ITGB3) for cisplatin resistance. Using ectopic expression and knockdown approaches, we proved that OSMR directly regulates ITGAV and ITGB3 gene expression through STAT3 activation. Notably, targeting OSMR using anti-OSMR human antibody inhibited the growth and metastasis of ovarian cancer cells and sensitized cisplatin treatment. Taken together, our results underscore the pivotal role of OSMR as a requirement for cisplatin resistance in ovarian cancer. Notably, OSMR fostered the expression of a distinct set of integrin genes, which in turn resulted into a crosstalk between OSMR and integrins for signaling activation that is critical for cisplatin resistance. Therefore, targeting OSMR emerges as a promising and viable strategy to reverse cisplatin-resistance in ovarian cancer.
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Affiliation(s)
- Anjali Geethadevi
- Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, WI, USA
- Medical College of Wisconsin Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Zhiqiang Ku
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center, Houston, TX, USA
| | - Shirng-Wern Tsaih
- Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, WI, USA
- Medical College of Wisconsin Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Deepak Parashar
- Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, WI, USA
- Medical College of Wisconsin Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA
- Department of Medicine, Division of Hematology & Oncology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Ishaque P Kadamberi
- Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, WI, USA
- Medical College of Wisconsin Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Wei Xiong
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center, Houston, TX, USA
| | - Hui Deng
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center, Houston, TX, USA
| | - Jasmine George
- Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, WI, USA
- Medical College of Wisconsin Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Sudhir Kumar
- Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, WI, USA
- Medical College of Wisconsin Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Sonam Mittal
- Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, WI, USA
- Medical College of Wisconsin Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Ningyan Zhang
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center, Houston, TX, USA
| | - Sunila Pradeep
- Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, WI, USA
- Medical College of Wisconsin Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Zhiqiang An
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center, Houston, TX, USA.
| | - Pradeep Chaluvally-Raghavan
- Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, WI, USA.
- Medical College of Wisconsin Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA.
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA.
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Zhang Z, Wang Z, Liu T, Tang J, Liu Y, Gou T, Chen K, Wang L, Zhang J, Yang Y, Zhang H. Exploring the role of ITGB6: fibrosis, cancer, and other diseases. Apoptosis 2024; 29:570-585. [PMID: 38127283 DOI: 10.1007/s10495-023-01921-6] [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] [Accepted: 11/07/2023] [Indexed: 12/23/2023]
Abstract
Integrin β6 (ITGB6), a member of the integrin family of proteins, is only present in epithelial tissues and frequently associates with integrin subunit αv to form transmembrane heterodimers named integrin αvβ6. Importantly, ITGB6 determines αvβ6 expression and availability. In addition to being engaged in organ fibrosis, ITGB6 is also directly linked to the emergence of cancer, periodontitis, and several potential genetic diseases. Therefore, it is of great significance to study the molecular-biological mechanism of ITGB6, which could provide novel insights for future clinical diagnosis and therapy. This review introduces the structure, distribution, and biological function of ITGB6. This review also expounds on ITGB6-related diseases, detailing the known biological effects of ITGB6.
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Affiliation(s)
- Zhe Zhang
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Zheng Wang
- Department of Cardiothoracic Surgery, Central Theater Command General Hospital of Chinese People's Liberation Army, 627 Wuluo Road, Wuhan, 430070, China
| | - Tong Liu
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Jiayou Tang
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Yanqing Liu
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Tiantian Gou
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Kangli Chen
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Li Wang
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Juan Zhang
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Yang Yang
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China.
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China.
| | - Huan Zhang
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China.
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China.
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29
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Schmitz T, Freuer D, Goßlau Y, Warm TD, Hyhlik-Dürr A, Linseisen J, Meisinger C, Kirchberger I. Can inflammatory plasma proteins predict Long COVID or Fatigue severity after SARS-CoV-2 infection? Virus Res 2024; 344:199363. [PMID: 38508399 PMCID: PMC10979265 DOI: 10.1016/j.virusres.2024.199363] [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: 11/27/2023] [Revised: 03/11/2024] [Accepted: 03/18/2024] [Indexed: 03/22/2024]
Abstract
OBJECTIVE To investigate whether specific immune response plasma proteins can predict an elevated risk of developing Long COVID symptoms or fatigue severity after SARS-CoV-2 infection. METHODS This study was based on 257 outpatients with test-confirmed SARS-CoV-2 infection between February 2020 and January 2021. At least 12 weeks after the acute infection, 92 plasma proteins were measured using the Olink Target 96 immune response panel (median time between acute infection and venous blood sampling was 38.8 [IQR: 24.0-48.0] weeks). The presence of Long COVID symptoms and fatigue severity was assessed 115.8 [92.5-118.6] weeks after the acute infection by a follow-up postal survey. Long COVID (yes/no) was defined as having one or more of the following symptoms: fatigue, shortness of breath, concentration or memory problems. The severity of fatigue was assessed using the Fatigue Assessment Scale (FAS). In multivariable-adjusted logistic and linear regression models the associations between each plasma protein (exposure) and Long COVID (yes/no) or severity of fatigue were investigated. RESULTS Nine plasma proteins were significantly associated with Long COVID before, but not after adjusting for multiple testing (FDR-adjustment): DFFA, TRIM5, TRIM21, HEXIM1, SRPK2, PRDX5, PIK3AP1, IFNLR1 and HCLS1. Moreover, a total of 10 proteins were significantly associated with severity of fatigue before FDR-adjustment: SRPK2, ITGA6, CLEC4G, HEXIM1, PPP1R9B, PLXNA4, PRDX5, DAPP1, STC1 and HCLS1. Only SRPK2 and ITGA6 remained significantly associated after FDR-adjustment. CONCLUSIONS This study demonstrates that certain immune response plasma proteins might play an important role in the pathophysiology of Long COVID and severity of fatigue after SARS-CoV-2 infection.
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Affiliation(s)
- Timo Schmitz
- Epidemiology, Medical Faculty, University of Augsburg, Augsburg, Germany.
| | - Dennis Freuer
- Epidemiology, Medical Faculty, University of Augsburg, Augsburg, Germany
| | - Yvonne Goßlau
- Vascular Surgery, Faculty of Medicine, University of Augsburg, Stenglinstr. 2, 86156, Augsburg, Germany
| | - Tobias Dominik Warm
- Vascular Surgery, Faculty of Medicine, University of Augsburg, Stenglinstr. 2, 86156, Augsburg, Germany
| | - Alexander Hyhlik-Dürr
- Vascular Surgery, Faculty of Medicine, University of Augsburg, Stenglinstr. 2, 86156, Augsburg, Germany
| | - Jakob Linseisen
- Epidemiology, Medical Faculty, University of Augsburg, Augsburg, Germany
| | - Christa Meisinger
- Epidemiology, Medical Faculty, University of Augsburg, Augsburg, Germany
| | - Inge Kirchberger
- Epidemiology, Medical Faculty, University of Augsburg, Augsburg, Germany
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Jahandar-Lashaki S, Farajnia S, Faraji-Barhagh A, Hosseini Z, Bakhtiyari N, Rahbarnia L. Phage Display as a Medium for Target Therapy Based Drug Discovery, Review and Update. Mol Biotechnol 2024:10.1007/s12033-024-01195-6. [PMID: 38822912 DOI: 10.1007/s12033-024-01195-6] [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: 11/01/2023] [Accepted: 05/07/2024] [Indexed: 06/03/2024]
Abstract
Phage libraries are now amongst the most prominent approaches for the identification of high-affinity antibodies/peptides from billions of displayed phages in a specific library through the biopanning process. Due to its ability to discover potential therapeutic candidates that bind specifically to targets, phage display has gained considerable attention in targeted therapy. Using this approach, peptides with high-affinity and specificity can be identified for potential therapeutic or diagnostic use. Furthermore, phage libraries can be used to rapidly screen and identify novel antibodies to develop immunotherapeutics. The Food and Drug Administration (FDA) has approved several phage display-derived peptides and antibodies for the treatment of different diseases. In the current review, we provided a comprehensive insight into the role of phage display-derived peptides and antibodies in the treatment of different diseases including cancers, infectious diseases and neurological disorders. We also explored the applications of phage display in targeted drug delivery, gene therapy, and CAR T-cell.
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Affiliation(s)
- Samaneh Jahandar-Lashaki
- Medical Biotechnology Department, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Safar Farajnia
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Aref Faraji-Barhagh
- Medical Biotechnology Department, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zahra Hosseini
- Department of Microbiology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Nasim Bakhtiyari
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Leila Rahbarnia
- Infectious and Tropical Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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31
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Tsai FC, Guérin G, Pernier J, Bassereau P. Actin-membrane linkers: Insights from synthetic reconstituted systems. Eur J Cell Biol 2024; 103:151402. [PMID: 38461706 DOI: 10.1016/j.ejcb.2024.151402] [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: 12/03/2023] [Revised: 02/10/2024] [Accepted: 02/28/2024] [Indexed: 03/12/2024] Open
Abstract
At the cell surface, the actin cytoskeleton and the plasma membrane interact reciprocally in a variety of processes related to the remodeling of the cell surface. The actin cytoskeleton has been known to modulate membrane organization and reshape the membrane. To this end, actin-membrane linking molecules play a major role in regulating actin assembly and spatially direct the interaction between the actin cytoskeleton and the membrane. While studies in cells have provided a wealth of knowledge on the molecular composition and interactions of the actin-membrane interface, the complex molecular interactions make it challenging to elucidate the precise actions of the actin-membrane linkers at the interface. Synthetic reconstituted systems, consisting of model membranes and purified proteins, have been a powerful approach to elucidate how actin-membrane linkers direct actin assembly to drive membrane shape changes. In this review, we will focus only on several actin-membrane linkers that have been studied by using reconstitution systems. We will discuss the design principles of these reconstitution systems and how they have contributed to the understanding of the cellular functions of actin-membrane linkers. Finally, we will provide a perspective on future research directions in understanding the intricate actin-membrane interaction.
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Affiliation(s)
- Feng-Ching Tsai
- Institut Curie, Université PSL, Sorbonne Université, CNRS UMR168, Physics of Cells and Cancer, Paris 75005, France.
| | - Gwendal Guérin
- Institut Curie, Université PSL, Sorbonne Université, CNRS UMR168, Physics of Cells and Cancer, Paris 75005, France
| | - Julien Pernier
- Tumor Cell Dynamics Unit, Inserm U1279, Gustave Roussy Institute, Université Paris-Saclay, Villejuif 94800, France
| | - Patricia Bassereau
- Institut Curie, Université PSL, Sorbonne Université, CNRS UMR168, Physics of Cells and Cancer, Paris 75005, France.
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32
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Zhang J, Fu L, Wang H, Yonemura A, Semba T, Yasuda-Yoshihara N, Nishimura A, Tajiri T, Tong Y, Yasuda T, Uchihara T, Yamazaki M, Okamoto Y, Yamasaki J, Nagano O, Baba H, Ishimoto T. RAC1-mediated integrin alpha-6 expression in E-cadherin-deficient gastric cancer cells promotes interactions with the stroma and peritoneal dissemination. Cancer Lett 2024; 591:216901. [PMID: 38641311 DOI: 10.1016/j.canlet.2024.216901] [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: 12/18/2023] [Revised: 04/09/2024] [Accepted: 04/15/2024] [Indexed: 04/21/2024]
Abstract
Diffuse-type gastric cancer (DGC) is a subtype of gastric cancer that is prone to peritoneal dissemination, with poor patient prognosis. Although intercellular adhesion loss between cancer cells is a major characteristic of DGCs, the mechanism underlying the alteration in cell-to-extracellular matrix (ECM) adhesion is unclear. We investigated how DGCs progress and cause peritoneal dissemination through interactions between DGC cells and the tumour microenvironment (TME). P53 knockout and KRASG12V-expressing (GAN-KP) cells and Cdh1-deleted GAN-KP (GAN-KPC) cells were orthotopically transplanted into the gastric wall to mimic peritoneal dissemination. The GAN-KPC tumour morphology was similar to that of human DGCs containing abundant stroma. RNA sequencing revealed that pathways related to Rho GTPases and integrin-ECM interactions were specifically increased in GAN-KPC cells compared with GAN-KP cells. Notably, we found that Rac Family Small GTPase 1 (RAC1) induces Integrin Subunit Alpha 6 (ITGA6) trafficking, leading to its enrichment on the GC cell membrane. Fibroblasts activate the FAK/AKT pathway in GC cells by mediating extracellular matrix (ECM)-Itga6 interactions, exacerbating the malignant phenotype. In turn, GC cells induce abnormal expression of fibroblast collagen and its transformation into cancer-associated fibroblasts (CAFs), resulting in DGC-like subtypes. These findings indicate that Cdh1 gene loss leads to abnormal expression and changes in the subcellular localization of ITGA6 through RAC1 signalling. The latter, through interactions with CAFs, allows for peritoneal dissemination.
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Affiliation(s)
- Jun Zhang
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Gastrointestinal Cancer Biology, International Research Center of Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan; Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Lingfeng Fu
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Gastrointestinal Cancer Biology, International Research Center of Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan; Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Huaitao Wang
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Gastrointestinal Cancer Biology, International Research Center of Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan; Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Atsuko Yonemura
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Gastrointestinal Cancer Biology, International Research Center of Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan; Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Takashi Semba
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Gastrointestinal Cancer Biology, International Research Center of Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
| | - Noriko Yasuda-Yoshihara
- Gastrointestinal Cancer Biology, International Research Center of Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan; Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Akiho Nishimura
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Gastrointestinal Cancer Biology, International Research Center of Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
| | - Takuya Tajiri
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Gastrointestinal Cancer Biology, International Research Center of Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan; Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Yilin Tong
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Gastrointestinal Cancer Biology, International Research Center of Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan; Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Tadahito Yasuda
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Gastrointestinal Cancer Biology, International Research Center of Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan; Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Tomoyuki Uchihara
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Gastrointestinal Cancer Biology, International Research Center of Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan; Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Masaya Yamazaki
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Yuya Okamoto
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Juntaro Yamasaki
- Division of Gene Regulation, Cancer Center, Fujita Health University, Toyoake, Japan
| | - Osamu Nagano
- Division of Gene Regulation, Cancer Center, Fujita Health University, Toyoake, Japan
| | - Hideo Baba
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan; Center for Metabolic Regulation of Healthy Ageing, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Takatsugu Ishimoto
- Division of Carcinogenesis, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Gastrointestinal Cancer Biology, International Research Center of Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan; Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan.
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Jha A, Moore E. Laminin-derived peptide, IKVAV, modulates macrophage phenotype through integrin mediation. Matrix Biol Plus 2024; 22:100143. [PMID: 38405086 PMCID: PMC10884775 DOI: 10.1016/j.mbplus.2024.100143] [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: 11/07/2023] [Revised: 01/16/2024] [Accepted: 02/06/2024] [Indexed: 02/27/2024] Open
Abstract
Macrophages are highly plastic immune cells known to exist on a spectrum of phenotypes including pro-inflammatory (M1) or pro-healing (M2). Macrophages interact with extracellular matrix (ECM) ligands, such as fragments of collagen and laminin. Interaction of macrophages with ECM ligands is mediated through integrin receptors. However, the role of ECM ligands in directing macrophage function through integrins is not yet fully understood. Particularly, α2β1 has been implicated in modulating macrophage function, but complexity in mechanisms employed for integrin-ligation especially with laminin-derived peptides makes it challenging to understand macrophage-ECM interactions. We hypothesize that targeting α2β1 through laminin-derived peptide, IKVAV, will modulate macrophage phenotype. In this work we: i) investigated macrophage response to IKVAV in 2D and in a 3D platform, and ii) identified α2β1's role as it pertains to macrophage modulation via IKVAV. Soluble IKVAV treatment significantly reduced M1 markers and increased M2 markers via immunocytochemistry and gene expression. While the 3D ECM-mimicking PEG-IKVAV hydrogels did not have significant effects in modulating macrophage phenotype, we found that macrophage modulation via IKVAV is dependent on the concentration of peptide used and duration of exposure. To investigate integrin-ligand interactions for macrophages, α2β1 signaling was modulated by antagonists and agonists. We observed that blocking α2β1 reduces M1 activation. To understand integrin-ligand interactions and leveraging the therapeutic ability of macrophages in designing immunomodulatory solutions, it is critical to elucidate IKVAV's role in mediating macrophage phenotype.
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Affiliation(s)
- Aakanksha Jha
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, United States
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, United States
| | - Erika Moore
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, United States
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, United States
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Choi KH, Lee DK, Jeong J, Ahn Y, Go DM, Kim DY, Lee CK. Inhibition of BMP-mediated SMAD pathway supports the pluripotency of pig embryonic stem cells in the absence of feeder cells. Theriogenology 2024; 225:67-80. [PMID: 38795512 DOI: 10.1016/j.theriogenology.2024.05.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/18/2024] [Accepted: 05/18/2024] [Indexed: 05/28/2024]
Abstract
Here, we examined the effects of the BMP signaling pathway inhibitor LDN-193189 on the pluripotency of porcine embryonic stem cells (ESCs) in the absence of feeder cells using molecular and transcriptomic techniques. Additionally, the effects of some extracellular matrix components on porcine ESC pluripotency were evaluated to develop an optimized and sustainable feeder-free culture system for porcine ESCs. Feeder cells were found to play an important role in supporting the pluripotency of porcine ESCs by blocking trophoblast and mesodermal differentiation through the inhibition of the BMP pathway. Additionally, treatment with LDN-193189, an inhibitor of the BMP pathway, maintained the pluripotency and homogeneity of porcine ESCs for an extended period in the absence of feeder cells by stimulating the secretion of chemokines and suppressing differentiation, based on transcriptome analysis. Conclusively, these results suggest that LDN-193189 could be a suitable replacement for feeder cells in the maintenance of porcine ESC pluripotency during culture. Additionally, these findings contribute to the understanding of pluripotency gene networks and comparative embryogenesis.
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Affiliation(s)
- Kwang-Hwan Choi
- Research and Development Center, Space F Corporation, Hwaseong, Gyeonggi-do, 18471, Republic of Korea; Department of Agricultural Biotechnology, Animal Biotechnology Major, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, 08826, Republic of Korea.
| | - Dong-Kyung Lee
- Research and Development Center, Space F Corporation, Hwaseong, Gyeonggi-do, 18471, Republic of Korea; Department of Agricultural Biotechnology, Animal Biotechnology Major, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jinsol Jeong
- Department of Agricultural Biotechnology, Animal Biotechnology Major, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, 08826, Republic of Korea
| | - Yelim Ahn
- Department of Agricultural Biotechnology, Animal Biotechnology Major, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, 08826, Republic of Korea
| | - Du-Min Go
- Department of Veterinary Pathology, College of Veterinary Medicine, Seoul National University, Seoul, 08826, Republic of Korea
| | - Dae-Yong Kim
- Department of Veterinary Pathology, College of Veterinary Medicine, Seoul National University, Seoul, 08826, Republic of Korea
| | - Chang-Kyu Lee
- Department of Agricultural Biotechnology, Animal Biotechnology Major, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, 08826, Republic of Korea; Institute of Green Bio Science and Technology, Seoul National University, Pyeong Chang, 25354, Republic of Korea.
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Gorashi RM, Baddour T, Chittle SJ, Vélez NEF, Wenning MA, Anseth KS, Mestroni L, Peña B, Guo P, Aguado BA. Y chromosome linked UTY modulates sex differences in valvular fibroblast methylation in response to nanoscale extracellular matrix cues. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.13.593760. [PMID: 38798394 PMCID: PMC11118428 DOI: 10.1101/2024.05.13.593760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Aortic valve stenosis (AVS) is a progressive disease wherein males develop valve calcification relative to females that develop valve fibrosis. Valvular interstitial cells (VICs) aberrantly activate to myofibroblasts during AVS, driving the fibrotic valve phenotype in females. Myofibroblasts further differentiate into osteoblast-like cells and secrete calcium nanoparticles, driving valve calcification in males. We hypothesized the lysine demethylase UTY (ubiquitously transcribed tetratricopeptide repeat containing, Y-linked) decreases methylation uniquely in response to nanoparticle cues in the valve extracellular matrix to promote an osteoblast-like phenotype. Here, we describe a bioinspired hydrogel cell culture platform to interrogate how nanoscale cues modulate sex-specific methylation states in VICs activating to myofibroblasts and osteoblast-like cells. We found UTY (ubiquitously transcribed tetratricopeptide repeat containing, Y-linked) modulates VIC phenotypes in response to nanoscale cues uniquely in males. Overall, we reveal a novel role of UTY in the regulation of calcification processes in males during AVS progression.
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36
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Urbano-Gámez JD, Guzzi C, Bernal M, Solivera J, Martínez-Zubiaurre I, Caro C, García-Martín ML. Tumor versus Tumor Cell Targeting in Metal-Based Nanoparticles for Cancer Theranostics. Int J Mol Sci 2024; 25:5213. [PMID: 38791253 PMCID: PMC11121233 DOI: 10.3390/ijms25105213] [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: 04/11/2024] [Revised: 05/05/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
The application of metal-based nanoparticles (mNPs) in cancer therapy and diagnostics (theranostics) has been a hot research topic since the early days of nanotechnology, becoming even more relevant in recent years. However, the clinical translation of this technology has been notably poor, with one of the main reasons being a lack of understanding of the disease and conceptual errors in the design of mNPs. Strikingly, throughout the reported studies to date on in vivo experiments, the concepts of "tumor targeting" and "tumor cell targeting" are often intertwined, particularly in the context of active targeting. These misconceptions may lead to design flaws, resulting in failed theranostic strategies. In the context of mNPs, tumor targeting can be described as the process by which mNPs reach the tumor mass (as a tissue), while tumor cell targeting refers to the specific interaction of mNPs with tumor cells once they have reached the tumor tissue. In this review, we conduct a critical analysis of key challenges that must be addressed for the successful targeting of either tumor tissue or cancer cells within the tumor tissue. Additionally, we explore essential features necessary for the smart design of theranostic mNPs, where 'smart design' refers to the process involving advanced consideration of the physicochemical features of the mNPs, targeting motifs, and physiological barriers that must be overcome for successful tumor targeting and/or tumor cell targeting.
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Affiliation(s)
- Jesús David Urbano-Gámez
- Biomedical Magnetic Resonance Laboratory—BMRL, Andalusian Public Foundation Progress and Health—FPS, 41092 Seville, Spain; (J.D.U.-G.); (C.G.)
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina–IBIMA Plataforma BIONAND, C/Severo Ochoa, 35, 29590 Malaga, Spain;
| | - Cinzia Guzzi
- Biomedical Magnetic Resonance Laboratory—BMRL, Andalusian Public Foundation Progress and Health—FPS, 41092 Seville, Spain; (J.D.U.-G.); (C.G.)
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina–IBIMA Plataforma BIONAND, C/Severo Ochoa, 35, 29590 Malaga, Spain;
| | - Manuel Bernal
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina–IBIMA Plataforma BIONAND, C/Severo Ochoa, 35, 29590 Malaga, Spain;
- Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, Universidad de Málaga, Andalucía Tech, 29071 Malaga, Spain
| | - Juan Solivera
- Department of Neurosurgery, Reina Sofia University Hospital, 14004 Cordoba, Spain;
| | - Iñigo Martínez-Zubiaurre
- Department of Clinical Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, P.O. Box 6050, Langnes, 9037 Tromsö, Norway;
| | - Carlos Caro
- Biomedical Magnetic Resonance Laboratory—BMRL, Andalusian Public Foundation Progress and Health—FPS, 41092 Seville, Spain; (J.D.U.-G.); (C.G.)
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina–IBIMA Plataforma BIONAND, C/Severo Ochoa, 35, 29590 Malaga, Spain;
| | - María Luisa García-Martín
- Biomedical Magnetic Resonance Laboratory—BMRL, Andalusian Public Foundation Progress and Health—FPS, 41092 Seville, Spain; (J.D.U.-G.); (C.G.)
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina–IBIMA Plataforma BIONAND, C/Severo Ochoa, 35, 29590 Malaga, Spain;
- Biomedical Research Networking Center in Bioengineering, Biomaterials & Nanomedicine (CIBER-BBN), 28029 Madrid, Spain
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Takada YK, Yu J, Ye X, Wu CY, Felding BH, Fujita M, Takada Y. The heparin-binding domain of VEGF165 directly binds to integrin αvβ3 and VEGFR2/KDR D1: a potential mechanism of negative regulation of VEGF165 signaling by αvβ3. Front Cell Dev Biol 2024; 12:1347616. [PMID: 38803393 PMCID: PMC11128890 DOI: 10.3389/fcell.2024.1347616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 04/04/2024] [Indexed: 05/29/2024] Open
Abstract
VEGF-A is a key cytokine in tumor angiogenesis and a major therapeutic target for cancer. VEGF165 is the predominant isoform of VEGF-A, and it is the most potent angiogenesis stimulant. VEGFR2/KDR domains 2 and 3 (D2D3) bind to the N-terminal domain (NTD, residues 1-110) of VEGF165. Since removal of the heparin-binding domain (HBD, residues 111-165) markedly reduced the mitogenic activity of the growth factor, it has been proposed that the HBD plays a critical role in the mitogenicity of VEGF165. Here, we report that αvβ3 specifically bound to the isolated VEGF165 HBD but not to VEGF165 NTD. Based on docking simulation and mutagenesis, we identified several critical amino acid residues within the VEGF165 HBD required for αvβ3 binding, i.e., Arg123, Arg124, Lys125, Lys140, Arg145, and Arg149. We discovered that VEGF165 HBD binds to the KDR domain 1 (D1) and identified that Arg123 and Arg124 are critical for KDR D1 binding by mutagenesis, indicating that the KDR D1-binding and αvβ3-binding sites overlap in the HBD. Full-length VEGF165 mutant (R123A/R124A/K125A/K140A/R145A/R149A) defective in αvβ3 and KDR D1 binding failed to induce ERK1/2 phosphorylation, integrin β3 phosphorylation, and KDR phosphorylation and did not support proliferation of endothelial cells, although the mutation did not affect the KDR D2D3 interaction with VEGF165. Since β3-knockout mice are known to show enhanced VEGF165 signaling, we propose that the binding of KDR D1 to the VEGF165 HBD and KDR D2D3 binding to the VEGF165 NTD are critically involved in the potent mitogenicity of VEGF165. We propose that binding competition between KDR and αvβ3 to the VEGF165 HBD endows integrin αvβ3 with regulatory properties to act as a negative regulator of VEGF165 signaling.
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Affiliation(s)
- Yoko K. Takada
- The Department of Dermatology, Sacramento, CA, United States
| | - Jessica Yu
- The Department of Dermatology, Sacramento, CA, United States
| | - Xiaojin Ye
- The Department of Dermatology, Sacramento, CA, United States
| | - Chun-Yi Wu
- The Department of Biochemistry and Molecular Medicine, University of California Davis School of Medicine, Sacramento, CA, United States
| | - Brunie H. Felding
- The Scripps Research Institute, Department of Molecular and Experimental Medicine, La Jolla, CA, United States
| | - Masaaki Fujita
- The Department of Dermatology, Sacramento, CA, United States
| | - Yoshikazu Takada
- The Department of Dermatology, Sacramento, CA, United States
- The Department of Biochemistry and Molecular Medicine, University of California Davis School of Medicine, Sacramento, CA, United States
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38
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Miyako S, Koma YI, Nakanishi T, Tsukamoto S, Yamanaka K, Ishihara N, Azumi Y, Urakami S, Shimizu M, Kodama T, Nishio M, Shigeoka M, Kakeji Y, Yokozaki H. Periostin in Cancer-Associated Fibroblasts Promotes Esophageal Squamous Cell Carcinoma Progression by Enhancing Cancer and Stromal Cell Migration. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:828-848. [PMID: 38320632 DOI: 10.1016/j.ajpath.2023.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 12/15/2023] [Accepted: 12/27/2023] [Indexed: 02/08/2024]
Abstract
Cancer-associated fibroblasts (CAFs) in the tumor microenvironment are involved in the progression of various cancers, including esophageal squamous cell carcinoma (ESCC). CAF-like cells were generated through direct co-culture of human bone marrow-derived mesenchymal stem cells, one of CAF origins, with ESCC cells. Periostin (POSTN) was found to be highly expressed in CAF-like cells. After direct co-culture, ESCC cells showed increased malignant phenotypes, such as survival, growth, and migration, as well as increased phosphorylation of Akt and extracellular signal-regulated kinase (Erk). Recombinant human POSTN activated Akt and Erk signaling pathways in ESCC cells, enhancing survival and migration. The suppression of POSTN in CAF-like cells by siRNA during direct co-culture also suppressed enhanced survival and migration in ESCC cells. In ESCC cells, knockdown of POSTN receptor integrin β4 inhibited Akt and Erk phosphorylation, and survival and migration increased by POSTN. POSTN also enhanced mesenchymal stem cell and macrophage migration and endowed macrophages with tumor-associated macrophage-like properties. Immunohistochemistry showed that high POSTN expression in the cancer stroma was significantly associated with tumor invasion depth, lymphatic and blood vessel invasion, higher pathologic stage, CAF marker expression, and infiltrating tumor-associated macrophage numbers. Moreover, patients with ESCC with high POSTN expression exhibited poor postoperative outcomes. Thus, CAF-secreted POSTN contributed to tumor microenvironment development. These results indicate that POSTN may be a novel therapeutic target for ESCC.
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Affiliation(s)
- Shoji Miyako
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan; Division of Gastro-intestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yu-Ichiro Koma
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan.
| | - Takashi Nakanishi
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan; Division of Gastro-intestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shuichi Tsukamoto
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Keitaro Yamanaka
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan; Division of Obstetrics and Gynecology, Department of Surgery Related, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Nobuaki Ishihara
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan; Division of Hepato-Biliary-Pancreatic Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuki Azumi
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan; Division of Gastro-intestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Satoshi Urakami
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan; Division of Gastroenterology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Masaki Shimizu
- Division of Gastro-intestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takayuki Kodama
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Mari Nishio
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Manabu Shigeoka
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yoshihiro Kakeji
- Division of Gastro-intestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroshi Yokozaki
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan
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39
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He M, Liu Z, Li L, Liu Y. Cell-cell communication in kidney fibrosis. Nephrol Dial Transplant 2024; 39:761-769. [PMID: 38040652 DOI: 10.1093/ndt/gfad257] [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: 09/27/2023] [Indexed: 12/03/2023] Open
Abstract
Kidney fibrosis is a common outcome of a wide variety of chronic kidney diseases, in which virtually all kinds of renal resident and infiltrating cells are involved. As such, well-orchestrated intercellular communication is of vital importance in coordinating complex actions during renal fibrogenesis. Cell-cell communication in multicellular organisms is traditionally assumed to be mediated by direct cell contact or soluble factors, including growth factors, cytokines and chemokines, through autocrine, paracrine, endocrine and juxtacrine signaling mechanisms. Growing evidence also demonstrates that extracellular vesicles, lipid bilayer-encircled particles naturally released from almost all types of cells, can act as a vehicle to transfer a diverse array of biomolecules including proteins, mRNA, miRNA and lipids to mediate cell-cell communication. We recently described a new mode of intercellular communication via building a special extracellular niche by insoluble matricellular proteins. Kidney cells, upon injury, produce and secrete different matricellular proteins, which incorporate into the local extracellular matrix network, and regulate the behavior, trajectory and fate of neighboring cells in a spatially confined fashion. This extracellular niche-mediated cell-cell communication is unique in that it restrains the crosstalk between cells within a particular locality. Detailed delineation of this unique manner of intercellular communication will help to elucidate the mechanism of kidney fibrosis and could offer novel insights in developing therapeutic intervention.
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Affiliation(s)
- Meizhi He
- State Key Laboratory of Organ Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University
- National Clinical Research Center of Kidney Disease, Guangdong Provincial Institute of Nephrology, Guangzhou, China
| | - Zhao Liu
- State Key Laboratory of Organ Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University
- National Clinical Research Center of Kidney Disease, Guangdong Provincial Institute of Nephrology, Guangzhou, China
| | - Li Li
- State Key Laboratory of Organ Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University
- National Clinical Research Center of Kidney Disease, Guangdong Provincial Institute of Nephrology, Guangzhou, China
| | - Youhua Liu
- State Key Laboratory of Organ Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University
- National Clinical Research Center of Kidney Disease, Guangdong Provincial Institute of Nephrology, Guangzhou, China
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40
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Borst R, Meyaard L, Pascoal Ramos MI. Understanding the matrix: collagen modifications in tumors and their implications for immunotherapy. J Transl Med 2024; 22:382. [PMID: 38659022 PMCID: PMC11040975 DOI: 10.1186/s12967-024-05199-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 04/13/2024] [Indexed: 04/26/2024] Open
Abstract
Tumors are highly complex and heterogenous ecosystems where malignant cells interact with healthy cells and the surrounding extracellular matrix (ECM). Solid tumors contain large ECM deposits that can constitute up to 60% of the tumor mass. This supports the survival and growth of cancerous cells and plays a critical role in the response to immune therapy. There is untapped potential in targeting the ECM and cell-ECM interactions to improve existing immune therapy and explore novel therapeutic strategies. The most abundant proteins in the ECM are the collagen family. There are 28 different collagen subtypes that can undergo several post-translational modifications (PTMs), which alter both their structure and functionality. Here, we review current knowledge on tumor collagen composition and the consequences of collagen PTMs affecting receptor binding, cell migration and tumor stiffness. Furthermore, we discuss how these alterations impact tumor immune responses and how collagen could be targeted to treat cancer.
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Affiliation(s)
- Rowie Borst
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
- Oncode Institute, Utrecht, The Netherlands
| | - Linde Meyaard
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
- Oncode Institute, Utrecht, The Netherlands
| | - M Ines Pascoal Ramos
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
- Oncode Institute, Utrecht, The Netherlands.
- Champalimaud Research, Champalimaud Centre for the Unknown, Lisbon, Portugal.
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41
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Zhang S, Zhang Q, Lu Y, Chen J, Liu J, Li Z, Xie Z. Roles of Integrin in Cardiovascular Diseases: From Basic Research to Clinical Implications. Int J Mol Sci 2024; 25:4096. [PMID: 38612904 PMCID: PMC11012347 DOI: 10.3390/ijms25074096] [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: 02/23/2024] [Revised: 03/28/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
Cardiovascular diseases (CVDs) pose a significant global health threat due to their complex pathogenesis and high incidence, imposing a substantial burden on global healthcare systems. Integrins, a group of heterodimers consisting of α and β subunits that are located on the cell membrane, have emerged as key players in mediating the occurrence and progression of CVDs by regulating the physiological activities of endothelial cells, vascular smooth muscle cells, platelets, fibroblasts, cardiomyocytes, and various immune cells. The crucial role of integrins in the progression of CVDs has valuable implications for targeted therapies. In this context, the development and application of various integrin antibodies and antagonists have been explored for antiplatelet therapy and anti-inflammatory-mediated tissue damage. Additionally, the rise of nanomedicine has enhanced the specificity and bioavailability of precision therapy targeting integrins. Nevertheless, the complexity of the pathogenesis of CVDs presents tremendous challenges for monoclonal targeted treatment. This paper reviews the mechanisms of integrins in the development of atherosclerosis, cardiac fibrosis, hypertension, and arrhythmias, which may pave the way for future innovations in the diagnosis and treatment of CVDs.
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Affiliation(s)
- Shuo Zhang
- College of Basic Medical, Nanchang University, Nanchang 330006, China; (S.Z.); (Q.Z.); (Y.L.); (J.C.); (J.L.); (Z.L.)
- Queen Mary School, Medical Department, Nanchang University, Nanchang 330031, China
| | - Qingfang Zhang
- College of Basic Medical, Nanchang University, Nanchang 330006, China; (S.Z.); (Q.Z.); (Y.L.); (J.C.); (J.L.); (Z.L.)
- Queen Mary School, Medical Department, Nanchang University, Nanchang 330031, China
| | - Yutong Lu
- College of Basic Medical, Nanchang University, Nanchang 330006, China; (S.Z.); (Q.Z.); (Y.L.); (J.C.); (J.L.); (Z.L.)
- Queen Mary School, Medical Department, Nanchang University, Nanchang 330031, China
| | - Jianrui Chen
- College of Basic Medical, Nanchang University, Nanchang 330006, China; (S.Z.); (Q.Z.); (Y.L.); (J.C.); (J.L.); (Z.L.)
- Queen Mary School, Medical Department, Nanchang University, Nanchang 330031, China
| | - Jinkai Liu
- College of Basic Medical, Nanchang University, Nanchang 330006, China; (S.Z.); (Q.Z.); (Y.L.); (J.C.); (J.L.); (Z.L.)
- Queen Mary School, Medical Department, Nanchang University, Nanchang 330031, China
| | - Zhuohan Li
- College of Basic Medical, Nanchang University, Nanchang 330006, China; (S.Z.); (Q.Z.); (Y.L.); (J.C.); (J.L.); (Z.L.)
- Queen Mary School, Medical Department, Nanchang University, Nanchang 330031, China
| | - Zhenzhen Xie
- College of Basic Medical, Nanchang University, Nanchang 330006, China; (S.Z.); (Q.Z.); (Y.L.); (J.C.); (J.L.); (Z.L.)
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Liu L, Hu H, Wu J, Koleske AJ, Chen H, Wang N, Yu K, Wu Y, Xiao X, Zhang Q. Integrin α3 is required for high-frequency repetitive transcranial magnetic stimulation-induced glutamatergic synaptic transmission in mice with ischemia. CNS Neurosci Ther 2024; 30:e14498. [PMID: 37867481 PMCID: PMC11017422 DOI: 10.1111/cns.14498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 09/16/2023] [Accepted: 10/01/2023] [Indexed: 10/24/2023] Open
Abstract
BACKGROUND Repetitive transcranial magnetic stimulation (rTMS) is an effective therapy in post-stroke motor recovery. However, the underlying mechanisms of rTMS regulates long-lasting changes with synaptic transmission and glutamate receptors function (including AMPARs or NMDARs) remains unclear. METHODS Mice were received 10-Hz rTMS treatment once daily on the third day after photothrombotic (PT) stroke for 18 days. Motor behaviors and the Western blot were used to evaluate the therapeutic efficacy of 10-Hz rTMS in the mice with PT model. Moreover, we used wild-type (WT) and NEX-α3-/- mice to further explore the 10-Hz rTMS effect. RESULTS We found that 10-Hz rTMS improved the post-stroke motor performance in the PT mice. Moreover, the levels of AMPAR, vGlut1, and integrin α3 in the peri-infarct were significantly increased in the rTMS group. In contrast, 10-Hz rTMS did not induce these aforementioned effects in NEX-α3-/- mice. The amplitude of AMPAR-mediated miniature excitatory postsynaptic currents (EPSCs) and evoked EPSCs was increased in the WT + rTMS group, but did not change in NEX-α3-/- mice with rTMS. CONCLUSIONS In this study, 10-Hz rTMS improved the glutamatergic synaptic transmission in the peri-infract cortex through effects on integrin α3 and AMPARs, which resulted in motor function recovery after stroke.
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Affiliation(s)
- Li Liu
- Department of Rehabilitation Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Han Hu
- Behavioral and Cognitive Neuroscience CenterInstitute of Science and Technology for Brain‐Inspired Intelligence, Fudan UniversityShanghaiChina
| | - Junfa Wu
- Department of Rehabilitation Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Anthony J. Koleske
- Departments of Molecular Biophysics and Biochemistry and NeuroscienceYale UniversityNew HavenConnecticutUSA
| | - Hongting Chen
- Behavioral and Cognitive Neuroscience CenterInstitute of Science and Technology for Brain‐Inspired Intelligence, Fudan UniversityShanghaiChina
| | - Nianhong Wang
- Department of Rehabilitation Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Kewei Yu
- Department of Rehabilitation Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Yi Wu
- Department of Rehabilitation Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Xiao Xiao
- Behavioral and Cognitive Neuroscience CenterInstitute of Science and Technology for Brain‐Inspired Intelligence, Fudan UniversityShanghaiChina
| | - Qun Zhang
- Department of Rehabilitation Medicine, Huashan HospitalFudan UniversityShanghaiChina
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43
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Xiao Z, Nian Z, Zhang M, Liu Z, Liu Z, Zhang Z. Integrated analysis highlights the significance role of ITGAL in lung adenocarcinoma. J Cell Mol Med 2024; 28:e18289. [PMID: 38613346 PMCID: PMC11015394 DOI: 10.1111/jcmm.18289] [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: 12/28/2023] [Revised: 03/16/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024] Open
Abstract
Integrin alpha L (ITGAL), a member of the integrin family, is associated with carcinogenesis and immune regulation. However, the biological functions of ITGAL in lung adenocarcinoma (LUAD) remain poorly understood. In this study, we utilized the TCGA dataset to analyse ITGAL mRNA expression in LUAD and examined its correlation with clinical prognosis. Three-dimensional (3D) Matrigel culture, 5-bromodeoxyuridine (BrdU) ELISA, wound-healing migration and cell adherence assays were used to demonstrate the potential role of ITGAL in LUAD progression. Additionally, we analysed single-cell sequencing data of LUAD to determine the expression and biological function of ITGAL. Our research revealed that the expression of ITGAL in LUAD samples is an independent predictor of prognosis. Patients with high expression of ITGAL had significantly better overall survival (OS), progression-free survival (PFS) and disease-specific survival (DSS) compared to the low-expression group. Meanwhile, the expression of ITGAL suppressed malignant progression in LUAD cells. Functional enrichment analyses showed that ITGAL was significantly correlated with cell immune response and immune checkpoint, consistent with the analysis of single-cell sequencing in paired samples of normal and tumour. Furthermore, we confirmed that ITGAL expression affect the tumour microenvironment (TME) through regulation of the expression of cytokines in NK cells of LUAD. In summary, ITGAL is a prognostic biomarker for LUAD patients, and it repressed malignant progression in LUAD cells. Moreover, ITGAL expression also enhanced the effect of immunotherapy and may be an important target in LUAD therapy.
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Affiliation(s)
- Zengtuan Xiao
- Department of Immunology, School of Basic Medical Sciences, Department of Lung Cancer Surgery, Tianjin Lung Cancer CenterTianjin Medical UniversityTianjinChina
| | - Zhe Nian
- Department of Immunology, School of Basic Medical Sciences, Department of Lung Cancer Surgery, Tianjin Lung Cancer CenterTianjin Medical UniversityTianjinChina
| | - Mengzhe Zhang
- Department of Immunology, School of Basic Medical Sciences, Department of Lung Cancer Surgery, Tianjin Lung Cancer CenterTianjin Medical UniversityTianjinChina
| | - Zuo Liu
- Department of Immunology, School of Basic Medical Sciences, Department of Lung Cancer Surgery, Tianjin Lung Cancer CenterTianjin Medical UniversityTianjinChina
| | - Zhe Liu
- Department of Immunology, School of Basic Medical Sciences, Department of Lung Cancer Surgery, Tianjin Lung Cancer CenterTianjin Medical UniversityTianjinChina
| | - Zhenfa Zhang
- Department of Immunology, School of Basic Medical Sciences, Department of Lung Cancer Surgery, Tianjin Lung Cancer CenterTianjin Medical UniversityTianjinChina
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44
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Tripathy DK, Panda LP, Biswal S, Barhwal K. Insights into the glioblastoma tumor microenvironment: current and emerging therapeutic approaches. Front Pharmacol 2024; 15:1355242. [PMID: 38523646 PMCID: PMC10957596 DOI: 10.3389/fphar.2024.1355242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 02/07/2024] [Indexed: 03/26/2024] Open
Abstract
Glioblastoma (GB) is an intrusive and recurrent primary brain tumor with low survivability. The heterogeneity of the tumor microenvironment plays a crucial role in the stemness and proliferation of GB. The tumor microenvironment induces tumor heterogeneity of cancer cells by facilitating clonal evolution and promoting multidrug resistance, leading to cancer cell progression and metastasis. It also plays an important role in angiogenesis to nourish the hypoxic tumor environment. There is a strong interaction of neoplastic cells with their surrounding microenvironment that comprise several immune and non-immune cellular components. The tumor microenvironment is a complex network of immune components like microglia, macrophages, T cells, B cells, natural killer (NK) cells, dendritic cells and myeloid-derived suppressor cells, and non-immune components such as extracellular matrix, endothelial cells, astrocytes and neurons. The prognosis of GB is thus challenging, making it a difficult target for therapeutic interventions. The current therapeutic approaches target these regulators of tumor micro-environment through both generalized and personalized approaches. The review provides a summary of important milestones in GB research, factors regulating tumor microenvironment and promoting angiogenesis and potential therapeutic agents widely used for the treatment of GB patients.
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Affiliation(s)
- Dev Kumar Tripathy
- Department of Physiology, All India Institute of Medical Sciences (AIIMS), Bhubaneswar, India
| | - Lakshmi Priya Panda
- Department of Physiology, All India Institute of Medical Sciences (AIIMS), Bhubaneswar, India
| | - Suryanarayan Biswal
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, India
| | - Kalpana Barhwal
- Department of Physiology, All India Institute of Medical Sciences (AIIMS), Bhubaneswar, India
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45
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Yu D, Lu Z, Nie F, Chong Y. Integrins regulation of wound healing processes: insights for chronic skin wound therapeutics. Front Cell Infect Microbiol 2024; 14:1324441. [PMID: 38505290 PMCID: PMC10949986 DOI: 10.3389/fcimb.2024.1324441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 02/21/2024] [Indexed: 03/21/2024] Open
Abstract
Integrins are heterodimers composed of non-covalently associated alpha and beta subunits that mediate the dynamic linkage between extracellular adhesion molecules and the intracellular actin cytoskeleton. Integrins are present in various tissues and organs and are involved in different physiological and pathological molecular responses in vivo. Wound healing is an important process in the recovery from traumatic diseases and consists of three overlapping phases: inflammation, proliferation, and remodeling. Integrin regulation acts throughout the wound healing process to promote wound healing. Prolonged inflammation may lead to failure of wound healing, such as wound chronicity. One of the main causes of chronic wound formation is bacterial colonization of the wound. In this review, we review the role of integrins in the regulation of wound healing processes such as angiogenesis and re-epithelialization, as well as the role of integrins in mediating bacterial infections during wound chronicity, and the challenges and prospects of integrins as therapeutic targets for infected wound healing.
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Affiliation(s)
- Dong Yu
- Department of Traditional Chinese Medicine, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu, China
- Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu, China
| | - Zhaoyu Lu
- Department of Traditional Chinese Medicine, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu, China
- Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu, China
| | - Fengsong Nie
- Department of Traditional Chinese Medicine, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu, China
- Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu, China
| | - Yang Chong
- Department of Traditional Chinese Medicine, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu, China
- Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu, China
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Shi H, Hao X, Sun Y, Zhao Y, Wang Y, Cao X, Gong Z, Ji S, Lu J, Yan Y, Yu X, Luo X, Wang J, Wang H. Exercise-inducible circulating extracellular vesicle irisin promotes browning and the thermogenic program in white adipose tissue. Acta Physiol (Oxf) 2024; 240:e14103. [PMID: 38288566 DOI: 10.1111/apha.14103] [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: 10/18/2023] [Revised: 01/06/2024] [Accepted: 01/11/2024] [Indexed: 02/24/2024]
Abstract
AIM Exercise can reduce body weight and promote white fat browning, but the underlying mechanisms remain largely unknown. This study investigated the role of fibronectin type III domain-containing protein 5 (FNDC5)/Irisin, a hormone released from exercising muscle, in the browning of white fat in circulating extracellular vesicles (EVs). METHODS Mice were subjected to a 4 weeks of running table exercise, and fat browning was analyzed via histology, protein blotting and qPCR. Circulating EVs were extracted by ultrahigh-speed centrifugation, and ELISA was used to measure the irisin concentration in the circulating EVs. Circulating EVs that differentially expressed irisin were applied to adipocytes, and the effect of EV-irisin on adipocyte energy metabolism was analyzed by immunofluorescence, protein blotting, and cellular oxygen consumption rate analysis. RESULTS During sustained exercise, the mice lost weight and developed fat browning. FNDC5 was induced, cleaved, and secreted into irisin, and irisin levels subsequently increased in the plasma during exercise. Interestingly, irisin was highly expressed in circulating EVs that effectively promoted adipose browning. Mechanistically, the circulating EV-irisin complex is transported intracellularly by the adipocyte membrane receptor integrin αV, which in turn activates the AMPK signaling pathway, which is dependent on mitochondrial uncoupling protein 1 to cause mitochondrial plasmonic leakage and promote heat production. After inhibition of the AMPK signaling pathway, the effects of the EV-irisin on promoting fat browning were minimal. CONCLUSION Exercise leads to the accumulation of circulating EV-irisin, which enhances adipose energy metabolism and thermogenesis and promotes white fat browning in mice, leading to weight loss.
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Affiliation(s)
- Hongwei Shi
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
| | - Xiaojing Hao
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
| | - Yaqin Sun
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
| | - Yating Zhao
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
| | - Yue Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
| | - Xiaorui Cao
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
| | - Zeen Gong
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
| | - Shusen Ji
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
| | - Jiayin Lu
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
| | - Yi Yan
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
| | - Xiuju Yu
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
| | - Xiaomao Luo
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
| | - Juan Wang
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, P.R. China
| | - Haidong Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, P.R. China
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Hirata R, Iwata T, Fujita T, Nagahara T, Matsuda S, Sasaki S, Taniguchi Y, Hamamoto Y, Ouhara K, Kudo Y, Kurihara H, Mizuno N. Periostin regulates integrin expression in gingival epithelial cells. J Oral Biosci 2024; 66:170-178. [PMID: 38048847 DOI: 10.1016/j.job.2023.11.009] [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: 08/24/2023] [Revised: 11/27/2023] [Accepted: 11/29/2023] [Indexed: 12/06/2023]
Abstract
OBJECTIVE Human gingival epithelial cells (HGECs) function as a mechanical barrier against invasion by pathogenic organisms through epithelial cell-cell junction complexes, which are complex components of integrin. Integrins play an important role in the protective functions of HGECs. Human periodontal ligament (HPL) cells regulate periodontal homeostasis. However, periodontitis results in the loss of HPL cells. Therefore, as replenishment, HPL cells or mesenchymal stem cells (MSCs) can be transplanted. Herein, HPL cells and MSCs were used to elucidate the regulatory mechanisms of HGECs, assuming periodontal tissue homeostasis. METHODS Human gingival fibroblasts (HGFs), HGECs, HPL cells, and MSCs were cultured, and the conditioned medium was collected. With or without silencing periostin mRNA, HGECs were cultured under normal conditions or in a conditioned medium. Integrin and periostin mRNA expression was determined using real-time polymerase chain reaction. Integrin protein expression was analyzed using flow cytometry, and periostin protein expression was determined via western blotting. RESULTS The conditioned medium affected integrin expression in HGECs. Higher expression of periostin was observed in MSCs and HPL cells than in HGFs. The conditioned medium that contained periostin protein regulated integrin expression in HGECs. After silencing periostin in MSCs and HPL cells, periostin protein was not detected in the conditioned medium, and integrin expression in HGECs remained unaffected. CONCLUSIONS Integrins in HGECs are regulated by periostin secreted from HPL cells and MSCs. This result suggests that periostin maintains gingival cell adhesion and regulates bacterial invasion/infection. Therefore, the functional regulation of periostin-secreting cells is important in preventing periodontitis.
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Affiliation(s)
- Reika Hirata
- Department of Periodontal Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima 734-8553, Japan
| | - Tomoyuki Iwata
- Department of Periodontal Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima 734-8553, Japan.
| | - Tsuyoshi Fujita
- Department of Periodontal Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima 734-8553, Japan
| | - Takayoshi Nagahara
- Department of Periodontal Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima 734-8553, Japan
| | - Shinji Matsuda
- Department of Periodontal Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima 734-8553, Japan
| | - Shinya Sasaki
- Department of Periodontal Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima 734-8553, Japan
| | - Yuri Taniguchi
- Department of Periodontal Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima 734-8553, Japan
| | - Yuta Hamamoto
- Department of Periodontal Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima 734-8553, Japan
| | - Kazuhisa Ouhara
- Department of Periodontal Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima 734-8553, Japan
| | - Yasusei Kudo
- Department of Oral Bioscience, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8504, Japan
| | - Hidemi Kurihara
- Department of Periodontal Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima 734-8553, Japan
| | - Noriyoshi Mizuno
- Department of Periodontal Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima 734-8553, Japan
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Li J, Hua Y, Liu Y, Qu X, Zhang J, Ishida M, Yoshida N, Tabata A, Miyoshi H, Shiba M, Higo S, Sougawa N, Takeda M, Kawamura T, Matsuura R, Okuzaki D, Toyofuku T, Sawa Y, Liu L, Miyagawa S. Human induced pluripotent stem cell-derived closed-loop cardiac tissue for drug assessment. iScience 2024; 27:108992. [PMID: 38333703 PMCID: PMC10850789 DOI: 10.1016/j.isci.2024.108992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/16/2023] [Accepted: 01/18/2024] [Indexed: 02/10/2024] Open
Abstract
Human iPSC-derived cardiomyocytes (hiPSC-CMs) exhibit functional immaturity, potentially impacting their suitability for assessing drug proarrhythmic potential. We previously devised a traveling wave (TW) system to promote maturation in 3D cardiac tissue. To align with current drug assessment paradigms (CiPA and JiCSA), necessitating a 2D monolayer cardiac tissue, we integrated the TW system with a multi-electrode array. This gave rise to a hiPSC-derived closed-loop cardiac tissue (iCT), enabling spontaneous TW initiation and swift pacing of cardiomyocytes from various cell lines. The TW-paced cardiomyocytes demonstrated heightened sarcomeric and functional maturation, exhibiting enhanced response to isoproterenol. Moreover, these cells showcased diminished sensitivity to verapamil and maintained low arrhythmia rates with ranolazine-two drugs associated with a low risk of torsades de pointes (TdP). Notably, the TW group displayed increased arrhythmia rates with high and intermediate risk TdP drugs (quinidine and pimozide), underscoring the potential utility of this system in drug assessment applications.
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Affiliation(s)
- Junjun Li
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Ying Hua
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Yuting Liu
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Xiang Qu
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Jingbo Zhang
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Masako Ishida
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Noriko Yoshida
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Akiko Tabata
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Hayato Miyoshi
- Fujifilm Corporation, Ashigarakami 258-8577, Kanagawa, Japan
| | - Mikio Shiba
- Cardiovascular Division, Osaka Police Hospital, Tennoji 543-0035, Osaka, Japan
| | - Shuichiro Higo
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, Suita 565-0871, Osaka, Japan
- Department of Medical Therapeutics for Heart Failure, Osaka University Graduate School of Medicine, Suita 565-0871, Osaka, Japan
| | - Nagako Sougawa
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
- Department of Physiology, Osaka Dental University, 8-1 Kuzuha Hanazono-cho, Hirakata 573-1121, Osaka, Japan
| | - Maki Takeda
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Takuji Kawamura
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Ryohei Matsuura
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Daisuke Okuzaki
- Laboratory of Human Immunology (Single Cell Genomics), WPI Immunology Research Center, Osaka University, Osaka, Japan
- Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Toshihiko Toyofuku
- Department of Immunology and Molecular Medicine, Graduate School of Medicine, Osaka University, Suita 565-0871, Osaka, Japan
| | - Yoshiki Sawa
- Department of Future Medicine, Division of Health Science, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Li Liu
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Shigeru Miyagawa
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
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49
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Chang CC, Takada YK, Cheng CW, Maekawa Y, Mori S, Takada Y. FGF9, a Potent Mitogen, Is a New Ligand for Integrin αvβ3, and the FGF9 Mutant Defective in Integrin Binding Acts as an Antagonist. Cells 2024; 13:307. [PMID: 38391921 PMCID: PMC10887216 DOI: 10.3390/cells13040307] [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: 12/28/2023] [Revised: 01/24/2024] [Accepted: 02/01/2024] [Indexed: 02/24/2024] Open
Abstract
FGF9 is a potent mitogen and survival factor, but FGF9 protein levels are generally low and restricted to a few adult organs. Aberrant expression of FGF9 usually results in cancer. However, the mechanism of FGF9 action has not been fully established. Previous studies showed that FGF1 and FGF2 directly bind to integrin αvβ3, and this interaction is critical for signaling functions (FGF-integrin crosstalk). FGF1 and FGF2 mutants defective in integrin binding were defective in signaling, whereas the mutants still bound to FGFR suppressed angiogenesis and tumor growth, indicating that they act as antagonists. We hypothesize that FGF9 requires direct integrin binding for signaling. Here, we show that docking simulation of the interaction between FGF9 and αvβ3 predicted that FGF9 binds to the classical ligand-binding site of αvβ3. We show that FGF9 bound to integrin αvβ3 and generated FGF9 mutants in the predicted integrin-binding interface. An FGF9 mutant (R108E) was defective in integrin binding, activating FRS2α and ERK1/2, inducing DNA synthesis, cancer cell migration, and invasion in vitro. R108E suppressed DNA synthesis and activation of FRS2α and ERK1/2 induced by WT FGF9 (dominant-negative effect). These findings indicate that FGF9 requires direct integrin binding for signaling and that R108E has potential as an antagonist to FGF9 signaling.
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Affiliation(s)
- Chih-Chieh Chang
- Department of Dermatology, University of California, Davis School of Medicine, Sacramento, CA 95817, USA; (C.-C.C.); (Y.K.T.)
- Department of Biochemistry and Molecular Medicine, University of California, Davis School of Medicine, Sacramento, CA 95817, USA
| | - Yoko K. Takada
- Department of Dermatology, University of California, Davis School of Medicine, Sacramento, CA 95817, USA; (C.-C.C.); (Y.K.T.)
| | - Chao-Wen Cheng
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan;
| | - Yukina Maekawa
- Department of Medical Technology, Faculty of Health Science, Morinomiya University of Medical Sciences, Osaka 536-0025, Japan; (Y.M.); (S.M.)
| | - Seiji Mori
- Department of Medical Technology, Faculty of Health Science, Morinomiya University of Medical Sciences, Osaka 536-0025, Japan; (Y.M.); (S.M.)
- Department of Molecular Pathology, Division of Health Sciences, Graduate School of Medicine, Osaka University, Osaka 565-0871, Japan
| | - Yoshikazu Takada
- Department of Dermatology, University of California, Davis School of Medicine, Sacramento, CA 95817, USA; (C.-C.C.); (Y.K.T.)
- Department of Biochemistry and Molecular Medicine, University of California, Davis School of Medicine, Sacramento, CA 95817, USA
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50
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Singh T, Kim TW, Murthy ASN, Paul M, Sepay N, Jeong Kong H, Sung Ryu J, Rim Koo N, Yoon S, Song KH, Jun Baek M, Jeon S, Im J. Tumor-homing peptide iRGD-conjugate enhances tumor accumulation of camptothecin for colon cancer therapy. Eur J Med Chem 2024; 265:116050. [PMID: 38128233 DOI: 10.1016/j.ejmech.2023.116050] [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: 06/08/2023] [Revised: 12/05/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023]
Abstract
Poor intracellular uptake of therapeutics in the tumor parenchyma is a key issue in cancer therapy. We describe a novel approach to enhance tumor targeting and achieve targeted delivery of camptothecin (CPT) based on a tumor-homing internalizing RGD peptide (iRGD). We synthesized an iRGD-camptothecin conjugate (iRGD-CPT) covalently coupled by a heterobifunctional linker and evaluated its in vitro and in vivo activity in human colon cancer cells. In vitro studies revealed that iRGD-CPT penetrated cells efficiently and reduced colon cancer cell viability to a significantly greater extent at micromolar concentrations than did the parent drug. Furthermore, iRGD-CPT showed high distribution toward tumor tissue, effectively suppressed tumor progression, and showed enhanced antitumor effects relative to the parent drug in a mouse model, demonstrating that iRGD-CPT is effective in vivo cancer treatment. These results suggest that intracellular delivery of CPT via the iRGD peptide is a promising drug delivery strategy that will facilitate the development of CPT derivatives and prodrugs with improved efficacy.
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Affiliation(s)
- Tejinder Singh
- Department of Electronic Materials, Devices, and Equipment Engineering, Soonchunhyang University, Asan, 31538, Republic of Korea
| | - Tae Wan Kim
- Department of Medical Life Science, Soonchunhyang University, Asan, 31538, Republic of Korea
| | - Akula S N Murthy
- Department of Electronic Materials, Devices, and Equipment Engineering, Soonchunhyang University, Asan, 31538, Republic of Korea
| | - Mohuya Paul
- Department of Electronic Materials, Devices, and Equipment Engineering, Soonchunhyang University, Asan, 31538, Republic of Korea
| | - Nasim Sepay
- Department of Electronic Materials, Devices, and Equipment Engineering, Soonchunhyang University, Asan, 31538, Republic of Korea
| | - Hye Jeong Kong
- Department of Medical Life Science, Soonchunhyang University, Asan, 31538, Republic of Korea
| | - Jae Sung Ryu
- Department of Medical Life Science, Soonchunhyang University, Asan, 31538, Republic of Korea
| | - Na Rim Koo
- Department of Electronic Materials, Devices, and Equipment Engineering, Soonchunhyang University, Asan, 31538, Republic of Korea
| | - Sujeong Yoon
- Department of Electronic Materials, Devices, and Equipment Engineering, Soonchunhyang University, Asan, 31538, Republic of Korea
| | - Keon-Hyoung Song
- Department of Pharmaceutical Engineering, Soonchunhyang University, Asan, 31538, Republic of Korea
| | - Moo Jun Baek
- Department of Surgery, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, 31151, Republic of Korea
| | - Seob Jeon
- Department of Obstetrics and Gynecology, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, 31151, Republic of Korea.
| | - Jungkyun Im
- Department of Electronic Materials, Devices, and Equipment Engineering, Soonchunhyang University, Asan, 31538, Republic of Korea; Department of Chemical Engineering, Soonchunhyang University, Asan, 31538, Republic of Korea.
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