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Zhao R, Gu J, Zhao H, Wang Z, Liu X, Yuan C, Zheng X, Yang T, Xu X, Cai Y. Expression of integrin α4β1 and α4β7 on B cells correlates with autoimmune responses in Graves' disease. Int Immunopharmacol 2024; 142:113218. [PMID: 39317053 DOI: 10.1016/j.intimp.2024.113218] [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: 04/12/2024] [Revised: 09/14/2024] [Accepted: 09/18/2024] [Indexed: 09/26/2024]
Abstract
BACKGROUND Integrins are upregulated on endothelial cells and T-lymphocytes in autoimmune thyroid disease (AITD), potentially contributing to immune response localization. The role of integrins on B-cells in AITD remains unclear. METHODS Peripheral blood samples were collected from healthy controls (n = 56), patients with Graves' disease (GD) (n = 37) and Hashimoto's thyroiditis (HT) (n = 52). Ultrasound-guided fine-needle aspiration (FNA) of the thyroid was performed in patients with non-autoimmune thyroid disease (nAITD) (n = 19), GD (n = 11), and HT (n = 40). Integrins α4β7, α4β1, and αEβ7 in B cells were measured by flow cytometry. Serum zonulin levels were quantified via ELISA. Associations of integrins on B cells with thyroid hormones, thyroid autoantibodies, AITD duration, and zonulin were analyzed. RESULTS HT patients exhibited lower α4β7 and higher α4β1 expression on B cells compared to healthy controls and GD patients. While α4β7 was predominant on circulating B cells, the dominant integrin expressed on intrathyroidal B cells varied with specific thyroid diseases. In GD patients, α4β7 and α4β1 expression on circulating B cells correlated positively and negatively with thyroid function and thyroid stimulating immunoglobulins (TSI) levels, respectively. Intrathyroidal α4β1+ B cells positively correlated with TSH levels in HT patients. Additionally, serum zonulin was elevated in HT patients, and intrathyroidal α4β7+ B cells and α4β1+ B cells correlated negatively and positively with zonulin levels, respectively. Integrin αEβ7 on B cells showed no significant association with AITD. CONCLUSION Integrins expressed on B cells potentially play a role in the pathogenesis of AITD and might serve as immune biomarkers for the disease.
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Affiliation(s)
- Ruiling Zhao
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Junjie Gu
- Department of Radiation Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Hang Zhao
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Zhixiao Wang
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xiaoyun Liu
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Cuiping Yuan
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xuqin Zheng
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Tao Yang
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xinyu Xu
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China.
| | - Yun Cai
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China.
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2
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Yao C, Li Z, Su H, Sun K, Liu Q, Zhang Y, Zhu L, Jiang F, Fan Y, Shou S, Wu H, Jin H. Integrin subunit beta 6 is a potential diagnostic marker for acute kidney injury in patients with diabetic kidney disease: a single cell sequencing data analysis. Ren Fail 2024; 46:2409348. [PMID: 39356055 PMCID: PMC11448326 DOI: 10.1080/0886022x.2024.2409348] [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: 03/28/2024] [Revised: 09/18/2024] [Accepted: 09/20/2024] [Indexed: 10/03/2024] Open
Abstract
BACKGROUND Diabetic kidney disease (DKD), a prevalent complication of diabetes mellitus, is often associated with acute kidney injury (AKI). Thus, the development of preventive and therapeutic strategies is crucial for delaying the progression of AKI and DKD. METHODS The GSE183276 dataset, comprising the data of 20 healthy controls and 12 patients with AKI, was downloaded from the Gene Expression Omnibus (GEO) database to analyze the AKI group. For analyzing the DKD group, the GSE131822 dataset, comprising the data of 3 healthy controls and 3 patients with DKD, was downloaded from the GEO database. The common differentially expressed genes (DEGs) in renal tubular epithelial cells (TECs) were subjected to enrichment analyses. Next, a protein-protein interaction (PPI) network was constructed using the Search Tool for the Retrieval of Interacting Genes database to analyze gene-related regulatory networks. Finally, the AKI animal models and the DKD and AKI cell models were established, and the reliability of the identified genes was validated using quantitative real-time polymerase chain reaction analysis. RESULTS Functional analysis was performed with 40 common DEGs in TECs. Eight hub genes were identified using the PPI and gene-related networks. Finally, validation experiments with the in vivo animal model and the in vitro cellular model revealed the four common DEGs. Four DEGs that share molecular mechanisms in the pathogenesis of DKD and AKI were identified. In particular, the expression of Integrin Subunit Beta 6(ITGB6), a hub and commonly upregulated gene, was upregulated in the in vitro models. CONCLUSION ITGB6 may serve as a biomarker for early AKI diagnosis in patients with DKD and as a target for early intervention therapies.
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Affiliation(s)
- Congcong Yao
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Ziwei Li
- Department of Critical Care Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Hongshuang Su
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Keke Sun
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Qihui Liu
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Yan Zhang
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Lishuang Zhu
- Department of Critical Care Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Feng Jiang
- Department of Ophthalmology, Tianjin Medical University General Hospital, Tianjin, China
| | - Yaguang Fan
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Songtao Shou
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Heng Wu
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Heng Jin
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
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Han M, Liang J, Wang K, Si Q, Zhu C, Zhao Y, Khan NAK, Abdullah ALB, Shau-Hwai AT, Li YM, Zhou Z, Jiang C, Liao J, Tay YJ, Qin W, Jiang Q. Integrin A5B1-mediated endocytosis of polystyrene nanoplastics: Implications for human lung disease and therapeutic targets. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 953:176017. [PMID: 39236815 DOI: 10.1016/j.scitotenv.2024.176017] [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: 08/14/2024] [Revised: 09/02/2024] [Accepted: 09/02/2024] [Indexed: 09/07/2024]
Abstract
The extensive use of plastic products has exacerbated micro/nanoplastic (MPs/NPs) pollution in the atmosphere, increasing the incidence of respiratory diseases and lung cancer. This study investigates the uptake and cytotoxicity mechanisms of polystyrene (PS) NPs in human lung epithelial cells. Transcriptional analysis revealed significant changes in cell adhesion pathways following PS-NPs exposure. Integrin α5β1-mediated endocytosis was identified as a key promoter of PS-NPs entry into lung epithelial cells. Overexpression of integrin α5β1 enhanced PS-NPs internalization, exacerbating mitochondrial Ca2+ dysfunction and depolarization, which induced reactive oxygen species (ROS) production. Mitochondrial dysfunction triggered by PS-NPs led to oxidative damage, inflammation, DNA damage, and necrosis, contributing to lung diseases. This study elucidates the molecular mechanism by which integrin α5β1 facilitates PS-NPs internalization and enhances its cytotoxicity, offering new insights into potential therapeutic targets for microplastic-induced lung diseases.
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Affiliation(s)
- Mingming Han
- University Sains Malaysia, Minden, Penang 11800, Malaysia
| | - Ji Liang
- University Sains Malaysia, Minden, Penang 11800, Malaysia
| | - Kai Wang
- National Center for Respiratory Medicine, State Key Laboratory of Respiratory Health and Multimorbidity, National Clinical Research Center for Respiratory Diseases, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Qin Si
- Jiangsu Maritime Institute, 309 Gezhi Road, Nanjing, Jiangsu 211100, China
| | - Chenxi Zhu
- University Sains Malaysia, Minden, Penang 11800, Malaysia
| | - Yunlong Zhao
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200241, China
| | | | | | | | - Yi Ming Li
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, China
| | - Zihan Zhou
- University Sains Malaysia, Minden, Penang 11800, Malaysia
| | - Chunqi Jiang
- Atmosphere and Ocean Research Institute, The University of Tokyo, Chiba 277-8564, Japan
| | - Jiayuan Liao
- School of Atmospheric Sciences, Sun Yat-sen University, Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519082, China
| | - Yi Juin Tay
- University Sains Malaysia, Minden, Penang 11800, Malaysia
| | - Wei Qin
- Department of Cardiothoracic Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing 210017, China.
| | - Qichen Jiang
- Freshwater Fisheries Research Institute of Jiangsu Province, 79 Chating East Street, Nanjing 210017, China.
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Raj A, Chandran C S, Dua K, Kamath V, Alex AT. Targeting overexpressed surface proteins: A new strategy to manage the recalcitrant triple-negative breast cancer. Eur J Pharmacol 2024; 981:176914. [PMID: 39154820 DOI: 10.1016/j.ejphar.2024.176914] [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: 03/25/2024] [Revised: 08/08/2024] [Accepted: 08/15/2024] [Indexed: 08/20/2024]
Abstract
Triple-negative breast cancer (TNBC) is an aggressive and heterogeneous cancer that lacks all three molecular markers, Estrogen, Progesterone, and Human Epidermal Growth Factor Receptor 2 (HER2). This unique characteristic of TNBC makes it more resistant to hormonal therapy; hence, chemotherapy and surgery are preferred. Active targeting with nanoparticles is more effective in managing TNBC than a passive approach. The surface of TNBC cells overexpresses several cell-specific proteins, which can be explored for diagnostic and therapeutic purposes. Immunohistochemical analysis has revealed that TNBC cells overexpress αVβ3 integrin, Intercellular Adhesion Molecule 1 (ICAM-1), Glucose Transporter 5 (GLUT5), Transmembrane Glycoprotein Mucin 1 (MUC-1), and Epidermal Growth Factor Receptor (EGFR). These surface proteins can be targeted using ligands, such as aptamers, antibodies, and sugar molecules. Targeting the surface proteins of TNBC with ligands helps harmonize treatment and improve patient compliance. In this review, we discuss the proteins expressed, which are limited to αVβ3 integrin proteins, ICAM-1, GLUT-5, MUC1, and EGFR, on the surface of TNBC, the challenges associated with the preclinical setup of breast cancer for targeted nanoformulations, internalization techniques and their challenges, suggestions to overcome the limitations of successful translation of nanoparticles, and the possibility of ligand-conjugated nanoparticles targeting these surface receptors for a better therapeutic outcome.
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Affiliation(s)
- Alan Raj
- Department of Pharmaceutical Biotechnology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka state, India, 576104.
| | - Sarath Chandran C
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Government Medical College Kannur, Pariyaram, Kerala, India, 670 503; Kerala University of Health Sciences, Thrissur, Kerala, India - 680 596.
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, Faculty of Health, University of Technology Sydney, Sydney, Australia-2007; Australian Research Centre in Complementary and Integrative Medicine, Faculty of Health, University of Technology Sydney, Sydney, Australia-2007.
| | - Venkatesh Kamath
- Department of Pharmaceutical Biotechnology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka state, India, 576104.
| | - Angel Treasa Alex
- Department of Pharmaceutical Biotechnology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka state, India, 576104.
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5
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Cheong S, Peng Y, Lu F, He Y. Structural extracellular matrix-mediated molecular signaling in wound repair and tissue regeneration. Biochimie 2024:S0300-9084(24)00230-X. [PMID: 39369941 DOI: 10.1016/j.biochi.2024.10.003] [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: 05/04/2024] [Revised: 09/19/2024] [Accepted: 10/04/2024] [Indexed: 10/08/2024]
Abstract
The extracellular matrix (ECM) is a complex, non-cellular network of molecules that offers structural support for cells and tissues. The ECM is composed of various structural components, including collagen, fibronectin, laminin, perlecan, nidogen, tenascin, and fibulin, which are capable of binding to each other and to cell-to-adhesion receptors, endowing the ECM with unique physical and biochemical properties that are essential for its function in maintaining health and managing disease. Over the past three decades, extensive research has shown that the core of the ECM can significantly impact cellular events at the molecular level. Structural modifications have also been strongly associated with tissue repair. Through interactions with cells, matrix proteins regulate critical processes such as cell proliferation and differentiation, migration, and apoptosis, essential for maintaining tissue homeostasis, formation, and regeneration. This review emphasizes the interlocking networks of ECM macromolecules and their primary roles in tissue regeneration and wound repair. Through studying ECM dynamics, researchers have discovered molecular signaling pathways that demonstrate how the ECM influences protein patterns and open up more possibilities for developing therapeutics that target the ECM to enhance wound repair and tissue regeneration.
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Affiliation(s)
- Sousan Cheong
- The Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, China, 510515.
| | - Yujie Peng
- The Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, China, 510515.
| | - Feng Lu
- The Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, China, 510515.
| | - Yunfan He
- The Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, China, 510515.
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6
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Zhang Y, Wang C, Xu Y, Su H. Tetraspanin 3 promotes NSCLC cell proliferation via regulation of β1 integrin intracellular recycling. Cell Mol Biol Lett 2024; 29:124. [PMID: 39333841 PMCID: PMC11428915 DOI: 10.1186/s11658-024-00639-w] [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: 09/28/2023] [Accepted: 08/23/2024] [Indexed: 09/30/2024] Open
Abstract
BACKGROUND The involvement of tetraspanins in cancer development has been widely implicated. In this study, the function and molecular mechanisms of tetraspanin 3 (TSPAN3) in non-small cell lung cancer (NSCLC) cells were explored. METHODS Tissue samples from patients diagnosed with NSCLC were analyzed by immunohistochemistry, western blotting, and real-time polymerase chain reaction (PCR) to indicate the involvement of TSPAN3 in cancer progression. In the meantime, we also performed exhaustive mechanistic studies using A549 and H460 cells in vitro through a variety of methods including western blotting, real-time PCR, immunofluorescent staining, coimmunoprecipitation, cell proliferation assay, and nocodazole (NZ) washout assay. Proper statistical analysis was implemented wherever necessary in this study. RESULTS TSPAN3 was found to be highly expressed in lung cancer cells and tissues. Moreover, high levels of TSPAN3 positively correlated with poor differentiation, lymph node involvement, advanced pathological tumor-node-metastasis stage, and poor prognosis in patients with NSCLC. TSPAN3 showed potential to promote the proliferation of NSCLC cells in vitro and in vivo. Specifically, TSPAN3 was found to interact with β1 integrin via the LEL domain, thereby facilitating the sorting of β1 integrin into Rab11a endosomes and promoting β1 integrin recycling and upregulation. CONCLUSIONS Our findings reveal TSPAN3 may represent a potentially valuable therapeutic target for NSCLC.
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Affiliation(s)
- Yao Zhang
- Department of Pathology, the First Hospital and Basic Medical Sciences College of China Medical University, Shenyang, 110001, China
| | - Chenglong Wang
- Department of Pain, the First Hospital of China Medical University, Shenyang, 110001, China
| | - Yitong Xu
- Department of Pathology, the First Hospital of China Medical University, No. 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning, China.
| | - Hongbo Su
- Department of Pathology, the First Hospital of China Medical University, No. 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning, China.
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7
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Bogaciu CA, Rizzoli SO. Membrane trafficking of synaptic adhesion molecules. J Physiol 2024. [PMID: 39322997 DOI: 10.1113/jp286401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Accepted: 09/02/2024] [Indexed: 09/27/2024] Open
Abstract
Synapse formation and stabilization are aided by several families of adhesion molecules, which are generally seen as specialized surface receptors. The function of most surface receptors, including adhesion molecules, is modulated in non-neuronal cells by the processes of endocytosis and recycling, which control the number of active receptors found on the cell surface. These processes have not been investigated extensively at the synapse. This review focuses on the current status of this topic, summarizing general findings on the membrane trafficking of the most prominent synaptic adhesion molecules. Remarkably, evidence for endocytosis processes has been obtained for many synaptic adhesion proteins, including dystroglycans, latrophilins, calsyntenins, netrins, teneurins, neurexins, neuroligins and neuronal pentraxins. Less evidence has been obtained on their recycling, possibly because of the lack of specific assays. We conclude that the trafficking of the synaptic adhesion molecules is an important topic, which should receive more attention in the future.
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Affiliation(s)
- Cristian A Bogaciu
- Institute for Neuro- and Sensory Physiology and Biostructural Imaging of Neurodegeneration (BIN) Center, University Medical Center Göttingen, Göttingen, Germany
| | - Silvio O Rizzoli
- Institute for Neuro- and Sensory Physiology and Biostructural Imaging of Neurodegeneration (BIN) Center, University Medical Center Göttingen, Göttingen, Germany
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8
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Shafaq-Zadah M, Dransart E, Mani SK, Sampaio JL, Bouidghaghen L, Nilsson UJ, Leffler H, Johannes L. Exploration into Galectin-3 Driven Endocytosis and Lattices. Biomolecules 2024; 14:1169. [PMID: 39334935 PMCID: PMC11430376 DOI: 10.3390/biom14091169] [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: 03/19/2024] [Revised: 09/05/2024] [Accepted: 09/14/2024] [Indexed: 09/30/2024] Open
Abstract
Essentially all plasma membrane proteins are glycosylated, and their activity is regulated by tuning their cell surface dynamics. This is achieved by glycan-binding proteins of the galectin family that either retain glycoproteins within lattices or drive their endocytic uptake via the clathrin-independent glycolipid-lectin (GL-Lect) mechanism. Here, we have used immunofluorescence-based assays to analyze how lattice and GL-Lect mechanisms affect the internalization of the cell adhesion and migration glycoprotein α5β1 integrin. In retinal pigment epithelial (RPE-1) cells, internalized α5β1 integrin is found in small peripheral endosomes under unperturbed conditions. Pharmacological compounds were used to competitively inhibit one of the galectin family members, galectin-3 (Gal3), or to inhibit the expression of glycosphingolipids, both of which are the fabric of the GL-Lect mechanism. We found that under acute inhibition conditions, endocytic uptake of α5β1 integrin was strongly reduced, in agreement with previous studies on the GL-Lect driven internalization of the protein. In contrast, upon prolonged inhibitor treatment, the uptake of α5β1 integrin was increased, and the protein was now internalized by alternative pathways into large perinuclear endosomes. Our findings suggest that under these prolonged inhibitor treatment conditions, α5β1 integrin containing galectin lattices are dissociated, leading to an altered endocytic compartmentalization.
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Affiliation(s)
- Massiullah Shafaq-Zadah
- Cellular and Chemical Biology Unit, Institut Curie, Paris Sciences & Lettres Research University, U1143 INSERM, UMR3666 CNRS, 75248 Paris, France; (E.D.); (S.K.M.)
| | - Estelle Dransart
- Cellular and Chemical Biology Unit, Institut Curie, Paris Sciences & Lettres Research University, U1143 INSERM, UMR3666 CNRS, 75248 Paris, France; (E.D.); (S.K.M.)
| | - Satish Kailasam Mani
- Cellular and Chemical Biology Unit, Institut Curie, Paris Sciences & Lettres Research University, U1143 INSERM, UMR3666 CNRS, 75248 Paris, France; (E.D.); (S.K.M.)
| | - Julio Lopes Sampaio
- CurieCoreTech–Metabolomics and Lipidomics Platform, Institute Curie, 75248 Paris, France; (J.L.S.); (L.B.)
| | - Lydia Bouidghaghen
- CurieCoreTech–Metabolomics and Lipidomics Platform, Institute Curie, 75248 Paris, France; (J.L.S.); (L.B.)
| | - Ulf J. Nilsson
- Department of Chemistry, Lund University, 221 00 Lund, Sweden;
| | - Hakon Leffler
- Section MIG (Microbiology, Immunology, Glycobiology), Department of Laboratory Medicine, Lund University, 221 00 Lund, Sweden;
| | - Ludger Johannes
- Cellular and Chemical Biology Unit, Institut Curie, Paris Sciences & Lettres Research University, U1143 INSERM, UMR3666 CNRS, 75248 Paris, France; (E.D.); (S.K.M.)
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9
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Ma M, Li X, Jing M, Zhang P, Zhang M, Wang L, Liang X, Jiang Y, Li J, He J, Wang X, Lin M, Wang L, Fan J. Enhanced Tumor-Targeted Delivery of Arginine-Rich Peptides via a Positive Feedback Loop Orchestrated by Piezo1/integrin β1 Signaling Axis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2409081. [PMID: 39258781 DOI: 10.1002/advs.202409081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2024] [Indexed: 09/12/2024]
Abstract
Peptide-based drugs hold great potential for cancer treatment, and their effectiveness is driven by mechanisms on how peptides target cancer cells and escape from potential lysosomal entrapment post-endocytosis. Yet, the mechanisms remain elusive, which hinder the design of peptide-based drugs. Here hendeca-arginine peptides (R11) are synthesized for targeted delivery in bladder carcinoma (BC), investigated the targeting efficiency and elucidated the mechanism of peptide-based delivery, with the aim of refining the design and efficacy of peptide-based therapeutics. It is demonstrated that the over-activated Piezo1/integrin β1 (ITGB1) signaling axis significantly facilitates tumor-targeted delivery of R11 peptides via macropinocytosis. Furthermore, R11 peptides formed hydrogen bonds with integrin β1, facilitating targeting and penetration into tumor cells. Additionally, R11 peptides protected integrin β1 from lysosome degradation, promoting its recycling from cytoplasm to membrane. Moreover, this findings establish a positive feedback loop wherein R11 peptides activate Piezo1 by increasing membrane fusion, promoting Ca2+ releasing and resulting in enhanced integrin β1-mediated endocytosis in both orthotopic models and clinical tissues, demonstrating effective tumor-targeted delivery. Eventually, the Piezo1/integrin β1 signaling axis promoted cellular uptake and transport of peptides, establishing a positive feedback loop, promoting mechanical delivery to cancer and offering possibilities for drug modification in cancer therapy.
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Affiliation(s)
- Minghai Ma
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Department of Urology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Xing Li
- Department of Thoracic Surgery, Tangdu Hospital, Air Forth Medical University, Xi'an, 710038, China
| | - Minxuan Jing
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Department of Urology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Pu Zhang
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Department of Urology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Mengzhao Zhang
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Department of Urology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Lu Wang
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Department of Urology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Xiao Liang
- Department of Thoracic Surgery, Tangdu Hospital, Air Forth Medical University, Xi'an, 710038, China
| | - Yunzhong Jiang
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Department of Urology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Jianpeng Li
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Department of Urology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Jiale He
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Department of Urology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Xinyang Wang
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Department of Urology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Min Lin
- Key Laboratory of Biomedical Information Engineering, Ministry of Education, Bioinspired Engineering and Biomechanics Center (BEBC), School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Lei Wang
- Department of Thoracic Surgery, Tangdu Hospital, Air Forth Medical University, Xi'an, 710038, China
| | - Jinhai Fan
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Department of Urology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710061, China
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Vu Hong A, Suel L, Petat E, Dubois A, Le Brun PR, Guerchet N, Veron P, Poupiot J, Richard I. An engineered AAV targeting integrin alpha V beta 6 presents improved myotropism across species. Nat Commun 2024; 15:7965. [PMID: 39261465 PMCID: PMC11390886 DOI: 10.1038/s41467-024-52002-4] [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: 10/25/2023] [Accepted: 08/22/2024] [Indexed: 09/13/2024] Open
Abstract
Current adeno-associated virus (AAV) gene therapy using nature-derived AAVs is limited by non-optimal tissue targeting. In the treatment of muscular diseases (MD), high doses are often required but can lead to severe adverse effects. Here, we rationally design an AAV capsid that specifically targets skeletal muscle to lower treatment doses. We computationally integrate binding motifs of human integrin alphaV beta6, a skeletal muscle receptor, into a liver-detargeting capsid. Designed AAVs show higher productivity and superior muscle transduction compared to their parent. One variant, LICA1, demonstrates comparable muscle transduction to other myotropic AAVs with reduced liver targeting. LICA1's myotropic properties are observed across species, including non-human primate. Consequently, LICA1, but not AAV9, effectively delivers therapeutic transgenes and improved muscle functionality in two mouse MD models (male mice) at a low dose (5E12 vg/kg). These results underline the potential of our design method for AAV engineering and LICA1 variant for MD gene therapy.
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Affiliation(s)
- Ai Vu Hong
- Genethon, 1 bis rue de l'internationale, Evry, France.
- INTEGRARE research unit UMR_S951 (INSERM, Université Paris-Saclay, Univ Evry), Evry, France.
| | - Laurence Suel
- Genethon, 1 bis rue de l'internationale, Evry, France
- INTEGRARE research unit UMR_S951 (INSERM, Université Paris-Saclay, Univ Evry), Evry, France
| | - Eva Petat
- Genethon, 1 bis rue de l'internationale, Evry, France
- INTEGRARE research unit UMR_S951 (INSERM, Université Paris-Saclay, Univ Evry), Evry, France
| | - Auriane Dubois
- Genethon, 1 bis rue de l'internationale, Evry, France
- INTEGRARE research unit UMR_S951 (INSERM, Université Paris-Saclay, Univ Evry), Evry, France
| | - Pierre-Romain Le Brun
- Genethon, 1 bis rue de l'internationale, Evry, France
- INTEGRARE research unit UMR_S951 (INSERM, Université Paris-Saclay, Univ Evry), Evry, France
| | - Nicolas Guerchet
- Genethon, 1 bis rue de l'internationale, Evry, France
- INTEGRARE research unit UMR_S951 (INSERM, Université Paris-Saclay, Univ Evry), Evry, France
| | - Philippe Veron
- Genethon, 1 bis rue de l'internationale, Evry, France
- INTEGRARE research unit UMR_S951 (INSERM, Université Paris-Saclay, Univ Evry), Evry, France
| | - Jérôme Poupiot
- Genethon, 1 bis rue de l'internationale, Evry, France
- INTEGRARE research unit UMR_S951 (INSERM, Université Paris-Saclay, Univ Evry), Evry, France
| | - Isabelle Richard
- Genethon, 1 bis rue de l'internationale, Evry, France.
- INTEGRARE research unit UMR_S951 (INSERM, Université Paris-Saclay, Univ Evry), Evry, France.
- Atamyo Therapeutics, 1 bis rue de l'internationale, Evry, France.
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11
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Naba A. Mechanisms of assembly and remodelling of the extracellular matrix. Nat Rev Mol Cell Biol 2024:10.1038/s41580-024-00767-3. [PMID: 39223427 DOI: 10.1038/s41580-024-00767-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/16/2024] [Indexed: 09/04/2024]
Abstract
The extracellular matrix (ECM) is the complex meshwork of proteins and glycans that forms the scaffold that surrounds and supports cells. It exerts key roles in all aspects of metazoan physiology, from conferring physical and mechanical properties on tissues and organs to modulating cellular processes such as proliferation, differentiation and migration. Understanding the mechanisms that orchestrate the assembly of the ECM scaffold is thus crucial to understand ECM functions in health and disease. This Review discusses novel insights into the compositional diversity of matrisome components and the mechanisms that lead to tissue-specific assemblies and architectures tailored to support specific functions. The Review then highlights recently discovered mechanisms, including post-translational modifications and metabolic pathways such as amino acid availability and the circadian clock, that modulate ECM secretion, assembly and remodelling in homeostasis and human diseases. Last, the Review explores the potential of 'matritherapies', that is, strategies to normalize ECM composition and architecture to achieve a therapeutic benefit.
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Affiliation(s)
- Alexandra Naba
- Department of Physiology and Biophysics, University of Illinois Chicago, Chicago, IL, USA.
- University of Illinois Cancer Center, Chicago, IL, USA.
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12
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Zhou P, Ding X, Du X, Wang L, Zhang Y. Targeting Reprogrammed Cancer-Associated Fibroblasts with Engineered Mesenchymal Stem Cell Extracellular Vesicles for Pancreatic Cancer Treatment. Biomater Res 2024; 28:0050. [PMID: 39099892 PMCID: PMC11293949 DOI: 10.34133/bmr.0050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 06/06/2024] [Indexed: 08/06/2024] Open
Abstract
Background: As one of the most aggressive and lethal cancers, pancreatic cancer is highly associated with cancer-associated fibroblasts (CAFs) that influence the development and progression of cancer. Targeted reprogramming of CAFs may be a promising strategy for pancreatic cancer. This study aims to construct engineered extracellular vesicles (EVs) with surface modification of integrin α5 (ITGA5)-targeting peptide and high internal expression of miR-148a-3p by endogenous modification for targeted reprogramming of pancreatic CAFs. Methods: Bone marrow mesenchymal stem cells (BMSCs) and pancreatic CAFs were cocultured to examine the effect of BMSC-derived EVs on the expression levels of CAF markers. miR-148a-3p was identified as a functional molecule. The mechanism of miR-148a-3p was elucidated using the dual-luciferase reporter assay. BMSCs were infected with TERT-encoding and miR-148a-3p-encoding lentiviruses. Subsequently, BMSCs were modified with ITGA5-specific targeting peptide. The supernatant was ultracentrifuged to obtain the engineered EVs (ITGA5-EVs-148a), which were used to reprogram CAFs. Results: BMSCs modulated CAF marker expressions through EVs. miR-148a-3p was up-regulated in BMSCs. The expression of miR-148a-3p in pancreatic CAFs was down-regulated when compared with that in normal fibroblasts (NFs). Mechanistically, ITGA5-EVs-148a effectively suppressed the proliferation and migration of pancreatic CAFs by targeting ITGA5 through the TGF-β/SMAD pathway. ITGA5-EVs-148a was associated with enhanced cellular uptake and exhibited enhanced in vitro and in vivo targeting ability. Moreover, ITGA5-EVs-148a exerted strong reconfiguration effects in inactivating CAFs and reversing tumor-promoting effects in 3D heterospheroid and xenograft pancreatic cancer models. Conclusions: This targeted CAF reprogramming strategy with genetically engineered ITGA5-EVs-148a holds great promise as a precision therapeutics in clinical settings.
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Affiliation(s)
- Pengcheng Zhou
- School of Medicine,
Southeast University, Nanjing 210000, China
- Department of General Surgery,
Affiliated Hospital of Nantong University, Nantong 226001, China
| | - Xian’guang Ding
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM),
Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Xuanlong Du
- School of Medicine,
Southeast University, Nanjing 210000, China
| | - Lianhui Wang
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM),
Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Yewei Zhang
- Hepatobiliary and Pancreatic Center,
The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
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13
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Xie B, Dai Z, Jiang C, Gao X, Yang S, Peng M, Chen Q, Chen X. ZC3H13 promotes ITGA6 m 6A modification for chronic obstructive pulmonary disease progression. Cell Signal 2024; 120:111190. [PMID: 38670474 DOI: 10.1016/j.cellsig.2024.111190] [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: 12/29/2023] [Revised: 04/15/2024] [Accepted: 04/23/2024] [Indexed: 04/28/2024]
Abstract
Chronic obstructive pulmonary disease (COPD) is potentially fatal, and as society ages, its effects on human health are predicted to deteriorate. The potential function of m6A modifications within COPD has become a hot topic recently. This study was conducted to clarify the function and related mechanisms of the m6A methylation transferase ZC3H13 in COPD. The expression of m6A-associated protease and ITGA6 in COPD tissues was assessed using GEO data, qRT-PCR, and western blot. COPD models in cells and mice were established through cigarette smoke extract (CSE) and smoke exposure. Inflammatory marker levels were measured by ELISA, apoptosis by flow cytometry, and mRNA stability with Actinomycin D assay. m6A modification levels were checked by MeRIP-PCR. HE and Masson staining evaluated lung pathology, and alveolar lavage fluid analysis included total cell count and Giemsa staining. ZC3H13 and METTL3 were differentially expressed m6A regulators in COPD, with ZC3H13 being more significantly upregulated. Further analysis revealed the ZC3H13 expression-related differentially expressed genes (DEGs) functions were enriched in the immunoinflammatory pathway, indicating ZC3H13's involvement in COPD pathogenesis through inflammation, and immune responses. Knockdown studies in cellular and mouse models demonstrated ZC3H13's role in exacerbating COPD symptoms, including inflammation, apoptosis, and EMT, and its suppression led to significant improvements. The identification of ITGA6 as a target gene further elucidated the mechanism, showing that ZC3H13 enhances ITGA6 expression and mRNA stability through m6A modification, influencing bronchial epithelial cell inflammation and fibrosis. In conclusion, targeting ZC3H13/ITGA6 could be an underlying therapeutic approach for treating COPD.
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Affiliation(s)
- Bin Xie
- Center of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China; Department of Geriatrics, Respiratory Medicine, Xiangya Hospital, Central South University, Changsha 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Ziyu Dai
- Department of Geriatrics, Respiratory Medicine, Xiangya Hospital, Central South University, Changsha 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Chen Jiang
- Department of Geriatrics, Respiratory Medicine, Xiangya Hospital, Central South University, Changsha 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Xufan Gao
- Department of Geriatrics, Respiratory Medicine, Xiangya Hospital, Central South University, Changsha 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Shasha Yang
- Department of Geriatrics, Respiratory Medicine, Xiangya Hospital, Central South University, Changsha 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Meijuan Peng
- Department of Geriatrics, Respiratory Medicine, Xiangya Hospital, Central South University, Changsha 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Qiong Chen
- Center of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China; Department of Geriatrics, Respiratory Medicine, Xiangya Hospital, Central South University, Changsha 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Xi Chen
- Center of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China; National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China; Hunan Engineering Research Center for Intelligent Diagnosis and Treatment of Respiratory Disease, Changsha, Hunan, 410008, China.
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14
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Knop F, Zounarová A, Šabata V, Middelkoop TC, Macůrková M. Caenorhabditis elegans SEL-5/AAK1 regulates cell migration and cell outgrowth independently of its kinase activity. eLife 2024; 13:e91054. [PMID: 39028260 PMCID: PMC11333045 DOI: 10.7554/elife.91054] [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: 07/16/2023] [Accepted: 07/19/2024] [Indexed: 07/20/2024] Open
Abstract
During Caenorhabditis elegans development, multiple cells migrate long distances or extend processes to reach their final position and/or attain proper shape. The Wnt signalling pathway stands out as one of the major coordinators of cell migration or cell outgrowth along the anterior-posterior body axis. The outcome of Wnt signalling is fine-tuned by various mechanisms including endocytosis. In this study, we show that SEL-5, the C. elegans orthologue of mammalian AP2-associated kinase AAK1, acts together with the retromer complex as a positive regulator of EGL-20/Wnt signalling during the migration of QL neuroblast daughter cells. At the same time, SEL-5 in cooperation with the retromer complex is also required during excretory canal cell outgrowth. Importantly, SEL-5 kinase activity is not required for its role in neuronal migration or excretory cell outgrowth, and neither of these processes is dependent on DPY-23/AP2M1 phosphorylation. We further establish that the Wnt proteins CWN-1 and CWN-2, together with the Frizzled receptor CFZ-2, positively regulate excretory cell outgrowth, while LIN-44/Wnt and LIN-17/Frizzled together generate a stop signal inhibiting its extension.
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Affiliation(s)
- Filip Knop
- Department of Cell Biology, Faculty of Science, Charles UniversityPragueCzech Republic
| | - Apolena Zounarová
- Department of Cell Biology, Faculty of Science, Charles UniversityPragueCzech Republic
| | - Vojtěch Šabata
- Department of Cell Biology, Faculty of Science, Charles UniversityPragueCzech Republic
| | | | - Marie Macůrková
- Department of Cell Biology, Faculty of Science, Charles UniversityPragueCzech Republic
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15
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Tong D, Gobert S, Reuzeau A, Farges JC, Leveque M, Bolon M, Costantini A, Pasdeloup M, Lafont J, Ducret M, Bekhouche M. Dental pulp mesenchymal stem cells-response to fibrin hydrogel reveals ITGA2 and MMPs expression. Heliyon 2024; 10:e32891. [PMID: 39027533 PMCID: PMC11255596 DOI: 10.1016/j.heliyon.2024.e32891] [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: 11/13/2023] [Revised: 06/07/2024] [Accepted: 06/11/2024] [Indexed: 07/20/2024] Open
Abstract
Regenerative endodontic procedures (REP) aim at reestablishing tooth vitality by replacing the irreversibly damaged dental pulp removed by the dental practitioner with a new functional one. The current treatment of advanced caries relies on the replacement of the inflamed or necrosed dental pulp with an inert filling material. This leads to a functional but non-vital tooth, which lacks the ability to sense dental tissue damage, and to protect from further bacterial attack. Therapeutic strategies inspired by tissue engineering called REP propose to regenerate a fully functional dental pulp directly in the canal space. Promising results were obtained using dental pulp mesenchymal stem cells (DP-MSCs) in combination with bio-inspired artificial and temporary 3D hydrogels made of extracellular matrix molecules such as collagen and fibrin biomacromolecules. However, the uncontrolled mechanisms of DP regeneration from DP-MSCs in 3D biomacromolecules fail to regenerate a fully functional DP and can induce fibrotic scarring or mineralized tissue formation to a non-negligible extent. The lack of knowledge regarding the early molecular mechanisms initiated by DP-MSCs seeded in ECM-made hydrogels is a scientific lock for REP. In this study, we investigated the early DP-MSC-response in a 3D fibrin hydrogel. DP-MSCs isolated from human third molars were cultured for 24 h in the fibrin hydrogel. The differential transcript levels of extracellular and cell surface genes were screened with 84-gene PCR array. Out of the 84 genes screened, 9 were found to be overexpressed, including those coding for the integrin alpha 2 subunit, the collagenase MMP1 and stromelysins MMP3, MMP10 and MMP12. Over-expression of ITGA2 was confirmed by RT-qPCR. The expression of alpha 2 integrin subunit protein was assessed over time by immunoblot and immunofluorescence staining. The increase in the transcript level of MMP1, MMP3, MM10 and MMP12 was confirmed by RT-qPCR. The overexpression of MMP1 and 3 at the protein level was assessed by immunoblot. MMP3 expression by DP-MSCs was observed by immunofluorescence staining. This work demonstrates overexpression of ITGA2 and of MMP1, 3, 10 and 12 by DP-MSCs cultured in a fibrin hydrogel. The main preliminary extracellular and cell surface response of the DP-MSCs to fibrin hydrogel seems to rely on a ITGA2/MMP3 axis. Further investigations are needed to precisely decipher the role of this axis in dental pulp tissue building. Nevertheless, this work identifies extracellular and cell surface molecules that could be potential checkpoints to be targeted to guide proper dental pulp tissue regeneration.
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Affiliation(s)
- David Tong
- LBTI - Tissue Biology and Therapeutic Engineering Laboratory, UMR5305, CNRS/Université, Claude Bernard Lyon 1, France
| | - Stéphanie Gobert
- LBTI - Tissue Biology and Therapeutic Engineering Laboratory, UMR5305, CNRS/Université, Claude Bernard Lyon 1, France
| | - Alicia Reuzeau
- LBTI - Tissue Biology and Therapeutic Engineering Laboratory, UMR5305, CNRS/Université, Claude Bernard Lyon 1, France
| | - Jean-Christophe Farges
- LBTI - Tissue Biology and Therapeutic Engineering Laboratory, UMR5305, CNRS/Université, Claude Bernard Lyon 1, France
- Odontology Faculty of Lyon, University Lyon 1, France
- Hospices Civils de Lyon, France
| | - Marianne Leveque
- LBTI - Tissue Biology and Therapeutic Engineering Laboratory, UMR5305, CNRS/Université, Claude Bernard Lyon 1, France
| | - Marie Bolon
- LBTI - Tissue Biology and Therapeutic Engineering Laboratory, UMR5305, CNRS/Université, Claude Bernard Lyon 1, France
| | - Arthur Costantini
- LBTI - Tissue Biology and Therapeutic Engineering Laboratory, UMR5305, CNRS/Université, Claude Bernard Lyon 1, France
- Hospices Civils de Lyon, France
| | - Marielle Pasdeloup
- LBTI - Tissue Biology and Therapeutic Engineering Laboratory, UMR5305, CNRS/Université, Claude Bernard Lyon 1, France
| | - Jérôme Lafont
- LBTI - Tissue Biology and Therapeutic Engineering Laboratory, UMR5305, CNRS/Université, Claude Bernard Lyon 1, France
| | - Maxime Ducret
- LBTI - Tissue Biology and Therapeutic Engineering Laboratory, UMR5305, CNRS/Université, Claude Bernard Lyon 1, France
- Odontology Faculty of Lyon, University Lyon 1, France
| | - Mourad Bekhouche
- LBTI - Tissue Biology and Therapeutic Engineering Laboratory, UMR5305, CNRS/Université, Claude Bernard Lyon 1, France
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16
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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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17
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Li Z, Yang J, Sun Y, Han S, Gong J, Zhang Y, Feng Z, Yao H, Shi P. Schisandra chinensis Bee Pollen Extract Inhibits Proliferation and Migration of Hepatocellular Carcinoma HepG2 Cells via Ferroptosis-, Wnt-, and Focal Adhesion-Signaling Pathways. Drug Des Devel Ther 2024; 18:2745-2760. [PMID: 38974120 PMCID: PMC11227337 DOI: 10.2147/dddt.s461581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 06/18/2024] [Indexed: 07/09/2024] Open
Abstract
Purpose Bee pollen possesses favorable anticancer activities. As a medicinal plant source, Schisandra chinensis bee pollen (SCBP) possesses potential pharmacological properties, such as reducing cisplatin-induced liver injury, but its anti-liver cancer effect is still rarely reported. This paper aims to investigate the effect and mechanism of SCBP extract (SCBPE) on hepatocellular carcinoma HepG2 cells. Methods The effect of SCBPE on cell proliferation and migration of HepG2 cells was evaluated based on MTT assay, morphology observation, or scratching assay. Furthermore, tandem mass tag-based quantitative proteomics was used to study the effect mechanisms. The mRNA expression levels of identified proteins were verified by RT-qPCR. Results Tandem mass tag-based quantitative proteomics showed that 61 differentially expressed proteins were obtained in the SCBPE group compared with the negative-control group: 18 significantly downregulated and 43 significantly upregulated proteins. Bioinformatic analysis showed the significantly enriched KEGG pathways were predominantly ferroptosis-, Wnt-, and hepatocellular carcinoma-signaling ones. Protein-protein interaction network analysis and RT-qPCR validation revealed SCBPE also downregulated the focal adhesion-signaling pathway, which is abrogated by PF-562271, a well-known inhibitor of FAK. Conclusion This study confirmed SCBPE suppressed the cell proliferation and migration of hepatocellular carcinoma HepG2 cells, mainly through modulation of ferroptosis-, Wnt-, hepatocellular carcinoma-, and focal adhesion-signaling pathways, providing scientific data supporting adjuvant treatment of hepatocellular carcinoma using SCBP.
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Affiliation(s)
- Zhiliang Li
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, People’s Republic of China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, People’s Republic of China
| | - Jiali Yang
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, People’s Republic of China
- College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, People’s Republic of China
| | - Yang Sun
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, People’s Republic of China
| | - Shuo Han
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, People’s Republic of China
| | - Jietao Gong
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, People’s Republic of China
| | - Yi Zhang
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, People’s Republic of China
- College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, People’s Republic of China
| | - Zhiyuan Feng
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, People’s Republic of China
| | - Hong Yao
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, 350122, People’s Republic of China
| | - Peiying Shi
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, People’s Republic of China
- State and Local Joint Engineering Laboratory of Natural Biotoxins, Fujian Agriculture and Forestry University, Fuzhou, 350002, People’s Republic of China
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18
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Ha CP, Hua TNM, Vo VTA, Om J, Han S, Cha SK, Park KS, Jeong Y. Humanin activates integrin αV-TGFβ axis and leads to glioblastoma progression. Cell Death Dis 2024; 15:464. [PMID: 38942749 PMCID: PMC11213926 DOI: 10.1038/s41419-024-06790-8] [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: 08/21/2023] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/30/2024]
Abstract
The role of mitochondria peptides in the spreading of glioblastoma remains poorly understood. In this study, we investigated the mechanism underlying intracranial glioblastoma progression. Our findings demonstrate that the mitochondria-derived peptide, humanin, plays a significant role in enhancing glioblastoma progression through the intratumoral activation of the integrin alpha V (ITGAV)-TGF beta (TGFβ) signaling axis. In glioblastoma tissues, humanin showed a significant upregulation in the tumor area compared to the corresponding normal region. Utilizing multiple in vitro pharmacological and genetic approaches, we observed that humanin activates the ITGAV pathway, leading to cellular attachment and filopodia formation. This process aids the subsequent migration and invasion of attached glioblastoma cells through intracellular TGFβR signaling activation. In addition, our in vivo orthotopic glioblastoma model provides further support for the pro-tumoral function of humanin. We observed a correlation between poor survival and aggressive invasiveness in the humanin-treated group, with noticeable tumor protrusions and induced angiogenesis compared to the control. Intriguingly, the in vivo effect of humanin on glioblastoma was significantly reduced by the treatment of TGFBR1 inhibitor. To strengthen these findings, public database analysis revealed a significant association between genes in the ITGAV-TGFβR axis and poor prognosis in glioblastoma patients. These results collectively highlight humanin as a pro-tumoral factor, making it a promising biological target for treating glioblastoma.
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Affiliation(s)
- Cuong P Ha
- Department of Biochemistry, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
- Mitohormesis Research Center, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
| | - Tuyen N M Hua
- Department of Biochemistry, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
- Mitohormesis Research Center, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
- Department of Pharmacology - Clinical Pharmacy, Faculty of Pharmacy, Pham Ngoc Thach University of Medicine, Ho Chi Minh City, Vietnam
| | - Vu T A Vo
- Department of Biochemistry, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
- Mitohormesis Research Center, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
| | - Jiyeon Om
- Department of Biochemistry, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
| | - Sangwon Han
- Department of Ophthalmology, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
| | - Seung-Kuy Cha
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
- Mitohormesis Research Center, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
- Department of Physiology, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
- Institutes of Lifestyle Medicine, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
- Mitochondrial Medicine, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea
| | - Kyu-Sang Park
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea.
- Mitohormesis Research Center, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea.
- Department of Physiology, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea.
- Institutes of Lifestyle Medicine, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea.
- Mitochondrial Medicine, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea.
| | - Yangsik Jeong
- Department of Biochemistry, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea.
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea.
- Mitohormesis Research Center, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea.
- Institutes of Lifestyle Medicine, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea.
- Mitochondrial Medicine, Wonju College of Medicine, Yonsei University, Wonju, 26426, Republic of Korea.
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19
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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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20
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Rosner M, Hengstschläger M. Oct4 controls basement membrane development during human embryogenesis. Dev Cell 2024; 59:1439-1456.e7. [PMID: 38579716 DOI: 10.1016/j.devcel.2024.03.007] [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: 01/10/2022] [Revised: 01/02/2024] [Accepted: 03/08/2024] [Indexed: 04/07/2024]
Abstract
Basement membranes (BMs) are sheet-like structures of extracellular matrix (ECM) that provide structural support for many tissues and play a central role in signaling. They are key regulators of cell behavior and tissue functions, and defects in their assembly or composition are involved in numerous human diseases. Due to the differences between human and animal embryogenesis, ethical concerns, legal constraints, the scarcity of human tissue material, and the inaccessibility of the in vivo condition, BM regulation during human embryo development has remained elusive. Using the post-implantation amniotic sac embryoid (PASE), we delineate BM assembly upon post-implantation development and BM disassembly during primitive streak (PS) cell dissemination. Further, we show that the transcription factor Oct4 regulates the expression of BM structural components and receptors and controls BM development by regulating Akt signaling and the small GTPase Rac1. These results represent a relevant step toward a more comprehensive understanding of early human development.
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Affiliation(s)
- Margit Rosner
- Institute of Medical Genetics, Center for Pathobiochemistry and Genetics, Medical University of Vienna, Vienna 1090, Austria
| | - Markus Hengstschläger
- Institute of Medical Genetics, Center for Pathobiochemistry and Genetics, Medical University of Vienna, Vienna 1090, Austria.
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21
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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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22
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Duan M, Zhang X, Lou Y, Feng J, Guo P, Ye S, Lv P, Chen Y. Deletion of Tmem268 in mice suppresses anti-infectious immune responses by downregulating CD11b signaling. EMBO Rep 2024; 25:2550-2570. [PMID: 38730209 PMCID: PMC11169502 DOI: 10.1038/s44319-024-00141-6] [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] [Received: 05/24/2023] [Revised: 02/25/2024] [Accepted: 04/03/2024] [Indexed: 05/12/2024] Open
Abstract
Transmembrane protein 268 (TMEM268) is a novel, tumor growth-related protein first reported by our laboratory. It interacts with the integrin subunit β4 (ITGB4) and plays a positive role in the regulation of the ITGB4/PLEC signaling pathway. Here, we investigated the effects and mechanism of TMEM268 in anti-infectious immune response in mice. Tmem268 knockout in mice aggravated cecal ligation and puncture-induced sepsis, as evidenced by higher bacterial burden in various tissues and organs, congestion, and apoptosis. Moreover, Tmem268 deficiency in mice inhibited phagocyte adhesion and migration, thus decreasing phagocyte infiltration at the site of infection and complement-dependent phagocytosis. Further findings indicated that TMEM268 interacts with CD11b and inhibits its degradation via the endosome-lysosome pathway. Our results reveal a positive regulatory role of TMEM268 in β2 integrin-associated anti-infectious immune responses and signify the potential value of targeting the TMEM268-CD11b signaling axis for the maintenance of immune homeostasis and immunotherapy for sepsis and related immune disorders.
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Affiliation(s)
- Mengyuan Duan
- Department of Immunology, Peking University School of Basic Medical Sciences; NHC Key Laboratory of Medical Immunology, Peking University, 38 Xueyuan Road, 100191, Beijing, China
| | - Xuan Zhang
- Department of Immunology, Peking University School of Basic Medical Sciences; NHC Key Laboratory of Medical Immunology, Peking University, 38 Xueyuan Road, 100191, Beijing, China
- Beijing Key Laboratory for Pediatric Diseases of Otolaryngology, Beijing Pediatric Research Institute, Capital Medical University, National Center for Children's Health, 100045, Beijing, China
| | - Yaxin Lou
- Medical and Healthy Analytical Center, Peking University, 38 Xueyuan Road, 100191, Beijing, China
| | - Jinqiu Feng
- Department of Immunology, Peking University School of Basic Medical Sciences; NHC Key Laboratory of Medical Immunology, Peking University, 38 Xueyuan Road, 100191, Beijing, China
| | - Pengli Guo
- Department of Immunology, Peking University School of Basic Medical Sciences; NHC Key Laboratory of Medical Immunology, Peking University, 38 Xueyuan Road, 100191, Beijing, China
| | - Shufang Ye
- Department of Immunology, Peking University School of Basic Medical Sciences; NHC Key Laboratory of Medical Immunology, Peking University, 38 Xueyuan Road, 100191, Beijing, China
| | - Ping Lv
- Department of Immunology, Peking University School of Basic Medical Sciences; NHC Key Laboratory of Medical Immunology, Peking University, 38 Xueyuan Road, 100191, Beijing, China
| | - Yingyu Chen
- Department of Immunology, Peking University School of Basic Medical Sciences; NHC Key Laboratory of Medical Immunology, Peking University, 38 Xueyuan Road, 100191, Beijing, China.
- Center for Human Disease Genomics, Peking University, 38 Xueyuan Road, 100191, Beijing, China.
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23
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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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24
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Pachane BC, Selistre-de-Araujo HS. The Role of αvβ3 Integrin in Cancer Therapy Resistance. Biomedicines 2024; 12:1163. [PMID: 38927370 PMCID: PMC11200931 DOI: 10.3390/biomedicines12061163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/16/2023] [Accepted: 05/21/2024] [Indexed: 06/28/2024] Open
Abstract
A relevant challenge for the treatment of patients with neoplasia is the development of resistance to chemo-, immune-, and radiotherapies. Although the causes of therapy resistance are poorly understood, evidence suggests it relies on compensatory mechanisms that cells develop to replace specific intracellular signaling that should be inactive after pharmacological inhibition. One such mechanism involves integrins, membrane receptors that connect cells to the extracellular matrix and have a crucial role in cell migration. The blockage of one specific type of integrin is frequently compensated by the overexpression of another integrin dimer, generally supporting cell adhesion and migration. In particular, integrin αvβ3 is a key receptor involved in tumor resistance to treatments with tyrosine kinase inhibitors, immune checkpoint inhibitors, and radiotherapy; however, the specific inhibition of the αvβ3 integrin is not enough to avoid tumor relapse. Here, we review the role of integrin αvβ3 in tumor resistance to therapy and the mechanisms that have been proposed thus far. Despite our focus on the αvβ3 integrin, it is important to note that other integrins have also been implicated in drug resistance and that the collaborative action between these receptors should not be neglected.
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Affiliation(s)
- Bianca Cruz Pachane
- Biochemistry and Molecular Biology Laboratory, Department of Physiological Sciences, Universidade Federal de São Carlos (UFSCar), São Carlos 13565-905, SP, Brazil;
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Heloisa S. Selistre-de-Araujo
- Biochemistry and Molecular Biology Laboratory, Department of Physiological Sciences, Universidade Federal de São Carlos (UFSCar), São Carlos 13565-905, SP, Brazil;
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25
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Kovács KD, Szittner Z, Magyaródi B, Péter B, Szabó B, Vörös A, Kanyó N, Székács I, Horvath R. Optical sensor reveals the hidden influence of cell dissociation on adhesion measurements. Sci Rep 2024; 14:11719. [PMID: 38778185 PMCID: PMC11111754 DOI: 10.1038/s41598-024-61485-6] [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] [Received: 12/15/2023] [Accepted: 05/06/2024] [Indexed: 05/25/2024] Open
Abstract
Cell adhesion experiments are important in tissue engineering and for testing new biologically active surfaces, prostheses, and medical devices. Additionally, the initial state of adhesion (referred to as nascent adhesion) plays a key role and is currently being intensively researched. A critical step in handling all adherent cell types is their dissociation from their substrates for further processing. Various cell dissociation methods and reagents are used in most tissue culture laboratories (here, cell dissociation from the culture surface, cell harvesting, and cell detachment are used interchangeably). Typically, the dissociated cells are re-adhered for specific measurements or applications. However, the impact of the choice of dissociation method on cell adhesion in subsequent measurements, especially when comparing the adhesivity of various surfaces, is not well clarified. In this study, we demonstrate that the application of a label-free optical sensor can precisely quantify the effect of cell dissociation methods on cell adhesivity, both at the single-cell and population levels. The optical measurements allow for high-resolution monitoring of cellular adhesion without interfering with the physiological state of the cells. We found that the choice of reagent significantly alters cell adhesion on various surfaces. Our results clearly demonstrate that biological conclusions about cellular adhesion when comparing various surfaces are highly dependent on the employed dissociation method. Neglecting the choice of cellular dissociation can lead to misleading conclusions when evaluating cell adhesion data from various sources and comparing the adhesivity of two different surfaces (i.e., determining which surface is more or less adhesive).
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Affiliation(s)
- Kinga Dóra Kovács
- Nanobiosensorics Laboratory, MFA, Centre for Energy Research, HUN-REN, Budapest, Hungary
- Department of Biological Physics, ELTE Eötvös University, Budapest, Hungary
| | - Zoltán Szittner
- Nanobiosensorics Laboratory, MFA, Centre for Energy Research, HUN-REN, Budapest, Hungary
| | - Beatrix Magyaródi
- Nanobiosensorics Laboratory, MFA, Centre for Energy Research, HUN-REN, Budapest, Hungary
- Chemical Engineering and Material Sciences Doctoral School, University of Pannonia, Veszprém, Hungary
| | - Beatrix Péter
- Nanobiosensorics Laboratory, MFA, Centre for Energy Research, HUN-REN, Budapest, Hungary
| | - Bálint Szabó
- Department of Biological Physics, ELTE Eötvös University, Budapest, Hungary
- Cellsorter Kft., Budapest, Hungary
| | - Alexa Vörös
- Nanobiosensorics Laboratory, MFA, Centre for Energy Research, HUN-REN, Budapest, Hungary
| | - Nicolett Kanyó
- Nanobiosensorics Laboratory, MFA, Centre for Energy Research, HUN-REN, Budapest, Hungary
| | - Inna Székács
- Nanobiosensorics Laboratory, MFA, Centre for Energy Research, HUN-REN, Budapest, Hungary
| | - Robert Horvath
- Nanobiosensorics Laboratory, MFA, Centre for Energy Research, HUN-REN, Budapest, Hungary.
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26
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Su M, Hou Y, Cai S, Li W, Wei Y, Wang R, Wu M, Liu M, Chang J, Yang K, Yiu K, Chen C. Elevated ITGA1 levels in type 2 diabetes: implications for cardiac function impairment. Diabetologia 2024; 67:850-863. [PMID: 38413438 PMCID: PMC10954979 DOI: 10.1007/s00125-024-06109-4] [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: 10/18/2023] [Accepted: 01/04/2024] [Indexed: 02/29/2024]
Abstract
AIMS/HYPOTHESIS Type 2 diabetes mellitus is known to contribute to the development of heart failure with preserved ejection fraction (HFpEF). However, identifying HFpEF in individuals with type 2 diabetes early on is often challenging due to a limited array of biomarkers. This study aims to investigate specific biomarkers associated with the progression of HFpEF in individuals with type 2 diabetes, for the purpose of enabling early detection and more effective management strategies. METHODS Blood samples were collected from individuals with type 2 diabetes, both with and without HFpEF, for proteomic analysis. Plasma integrin α1 (ITGA1) levels were measured and compared between the two groups. Participants were further categorised based on ITGA1 levels and underwent detailed transthoracic echocardiography at baseline and during a median follow-up period of 30 months. Multivariable linear and Cox regression analyses were conducted separately to assess the associations between plasma ITGA1 levels and changes in echocardiography indicators and re-hospitalisation risk. Additionally, proteomic data for the individuals' left ventricles, from ProteomeXchange database, were analysed to uncover mechanisms underlying the change in ITGA1 levels in HFpEF. RESULTS Individuals with type 2 diabetes and HFpEF showed significantly higher plasma ITGA1 levels than the individuals with type 2 diabetes without HFpEF. These elevated ITGA1 levels were associated with left ventricular remodelling and impaired diastolic function. Furthermore, during a median follow-up of 30 months, multivariable analysis revealed that elevated ITGA1 levels independently correlated with deterioration of both diastolic and systolic cardiac functions. Additionally, higher baseline plasma ITGA1 levels independently predicted re-hospitalisation risk (HR 2.331 [95% CI 1.387, 3.917], p=0.001). Proteomic analysis of left ventricular myocardial tissue provided insights into the impact of increased ITGA1 levels on cardiac fibrosis-related pathways and the contribution made by these changes to the development and progression of HFpEF. CONCLUSIONS/INTERPRETATION ITGA1 serves as a biomarker for monitoring cardiac structural and functional damage, can be used to accurately diagnose the presence of HFpEF, and can be used to predict potential deterioration in cardiac structure and function as well as re-hospitalisation for individuals with type 2 diabetes. Its measurement holds promise for facilitating risk stratification and early intervention to mitigate the adverse cardiovascular effects associated with diabetes. DATA AVAILABILITY The proteomic data of left ventricular myocardial tissue from individuals with type 2 diabetes, encompassing both those with and without HFpEF, is available from the ProteomeXchange database at http://proteomecentral.proteomexchange.org .
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Affiliation(s)
- Mengqi Su
- Department of Cardiology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
- Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Yilin Hou
- Department of Otorhinolaryngology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Sidong Cai
- Department of Cardiology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Wenpeng Li
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yinxia Wei
- Department of Cardiology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Run Wang
- Department of Cardiology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Min Wu
- Department of Cardiology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Mingya Liu
- Department of Cardiology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Junlei Chang
- Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Kelaier Yang
- Department of Endocrinology and Metabolism, Shenzhen University General Hospital, Shenzhen, China
| | - Kaihang Yiu
- Department of Cardiology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China.
- Department of Cardiology, The University of Hong Kong, Queen Mary Hospital, Hong Kong, China.
| | - Cong Chen
- Department of Cardiology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China.
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Hagelaars MJ, Nikolic M, Vermeulen M, Dekker S, Bouten CVC, Loerakker S. A computational analysis of the role of integrins and Rho-GTPases in the emergence and disruption of apical-basal polarization in renal epithelial cells. PLoS Comput Biol 2024; 20:e1012140. [PMID: 38768266 PMCID: PMC11142725 DOI: 10.1371/journal.pcbi.1012140] [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: 10/31/2023] [Revised: 05/31/2024] [Accepted: 05/07/2024] [Indexed: 05/22/2024] Open
Abstract
Apical-basal polarization in renal epithelial cells is crucial to renal function and an important trigger for tubule formation in kidney development. Loss of polarity can induce epithelial-to-mesenchymal transition (EMT), which can lead to kidney pathologies. Understanding the relative and combined roles of the involved proteins and their interactions that govern epithelial polarity may provide insights for controlling the process of polarization via chemical or mechanical manipulations in an in vitro or in vivo setting. Here, we developed a computational framework that integrates several known interactions between integrins, Rho-GTPases Rho, Rac and Cdc42, and polarity complexes Par and Scribble, to study their mutual roles in the emergence of polarization. The modeled protein interactions were shown to induce the emergence of polarized distributions of Rho-GTPases, which in turn led to the accumulation of apical and basal polarity complexes Par and Scribble at their respective poles, effectively recapitulating polarization. Our multiparametric sensitivity analysis suggested that polarization depends foremost on the mutual inhibition between Rac and Rho. Next, we used the computational framework to investigate the role of integrins and GTPases in the generation and disruption of polarization. We found that a minimum concentration of integrins is required to catalyze the process of polarization. Furthermore, loss of polarization was found to be only inducible via complete degradation of the Rho-GTPases Rho and Cdc42, suggesting that polarization is fairly stable once it is established. Comparison of our computational predictions against data from in vitro experiments in which we induced EMT in renal epithelial cells while quantifying the relative Rho-GTPase levels, displayed that EMT coincides with a large reduction in the Rho-GTPase Rho. Collectively, these results demonstrate the essential roles of integrins and Rho-GTPases in the establishment and disruption of apical-basal polarity and thereby provide handles for the in vitro or in vivo regulation of polarity.
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Affiliation(s)
- Maria J. Hagelaars
- Eindhoven University of Technology, Department of Biomedical Engineering, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven, The Netherlands
| | - Milica Nikolic
- Eindhoven University of Technology, Department of Biomedical Engineering, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven, The Netherlands
| | - Maud Vermeulen
- Eindhoven University of Technology, Department of Biomedical Engineering, Eindhoven, The Netherlands
| | - Sylvia Dekker
- Eindhoven University of Technology, Department of Biomedical Engineering, Eindhoven, The Netherlands
| | - Carlijn V. C. Bouten
- Eindhoven University of Technology, Department of Biomedical Engineering, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven, The Netherlands
| | - Sandra Loerakker
- Eindhoven University of Technology, Department of Biomedical Engineering, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven, The Netherlands
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28
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Shimonty A, Pin F, Prideaux M, Peng G, Huot J, Kim H, Rosen CJ, Spiegelman BM, Bonewald LF. Deletion of FNDC5/irisin modifies murine osteocyte function in a sex-specific manner. eLife 2024; 12:RP92263. [PMID: 38661340 PMCID: PMC11045224 DOI: 10.7554/elife.92263] [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] [Indexed: 04/26/2024] Open
Abstract
Irisin, released from exercised muscle, has been shown to have beneficial effects on numerous tissues but its effects on bone are unclear. We found significant sex and genotype differences in bone from wildtype (WT) mice compared to mice lacking Fndc5 (knockout [KO]), with and without calcium deficiency. Despite their bone being indistinguishable from WT females, KO female mice were partially protected from osteocytic osteolysis and osteoclastic bone resorption when allowed to lactate or when placed on a low-calcium diet. Male KO mice have more but weaker bone compared to WT males, and when challenged with a low-calcium diet lost more bone than WT males. To begin to understand responsible molecular mechanisms, osteocyte transcriptomics was performed. Osteocytes from WT females had greater expression of genes associated with osteocytic osteolysis and osteoclastic bone resorption compared to WT males which had greater expression of genes associated with steroid and fatty acid metabolism. Few differences were observed between female KO and WT osteocytes, but with a low-calcium diet, the KO females had lower expression of genes responsible for osteocytic osteolysis and osteoclastic resorption than the WT females. Male KO osteocytes had lower expression of genes associated with steroid and fatty acid metabolism, but higher expression of genes associated with bone resorption compared to male WT. In conclusion, irisin plays a critical role in the development of the male but not the female skeleton and protects male but not female bone from calcium deficiency. We propose irisin ensures the survival of offspring by targeting the osteocyte to provide calcium in lactating females, a novel function for this myokine.
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Affiliation(s)
| | | | | | - Gang Peng
- Indiana UniversityIndianapolisUnited States
| | | | - Hyeonwoo Kim
- Korea Advanced Institute of Science and TechnologyDaejonRepublic of Korea
| | | | | | - Lynda F Bonewald
- Indiana UniversityIndianapolisUnited States
- Indiana Center for Musculoskeletal HealthIndianapolisUnited States
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29
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Naamneh MS, Momic T, Klazas M, Grosche J, Eble JA, Marcinkiewicz C, Khazanov N, Senderowitz H, Hoffman A, Gilon C, Katzhendler J, Lazarovici P. Structure-Activity Relationship of Synthetic Linear KTS-Peptides Containing Meta-Aminobenzoic Acid as Antagonists of α1β1 Integrin with Anti-Angiogenic and Melanoma Anti-Tumor Activities. Pharmaceuticals (Basel) 2024; 17:549. [PMID: 38794120 PMCID: PMC11124490 DOI: 10.3390/ph17050549] [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: 04/08/2024] [Revised: 04/19/2024] [Accepted: 04/22/2024] [Indexed: 05/26/2024] Open
Abstract
To develop peptide drugs targeting integrin receptors, synthetic peptide ligands endowed with well-defined selective binding motifs are necessary. The snake venom KTS-containing disintegrins, which selectively block collagen α1β1 integrin, were used as lead compounds for the synthesis and structure-activity relationship of a series of linear peptides containing the KTS-pharmacophore and alternating natural amino acids and 3-aminobenzoic acid (MABA). To ensure a better stiffness and metabolic stability, one, two and three MABA residues, were introduced around the KTS pharmacophore motif. Molecular dynamics simulations determined that the solution conformation of MABA peptide 4 is more compact, underwent larger conformational changes until convergence, and spent most of the time in a single cluster. The peptides' binding affinity has been characterized by an enzyme linked immunosorbent assay in which the most potent peptide 4 inhibited with IC50 of 324 ± 8 µM and 550 ± 45 µM the binding of GST-α1-A domain to collagen IV fragment CB3, and the cell adhesion to collagen IV using α1-overexpressor cells, respectively. Docking studies and MM-GBSA calculations confirmed that peptide 4 binds a smaller region of the integrin near the collagen-binding site and penetrated deeper into the binding site near Trp1. Peptide 4 inhibited tube formation by endothelial cell migration in the Matrigel angiogenesis in vitro assay. Peptide 4 was acutely tolerated by mice, showed stability in human serum, decreased tumor volume and angiogenesis, and significantly increased the survival of mice injected with B16 melanoma cells. These findings propose that MABA-peptide 4 can further serve as an α1β1-integrin antagonist lead compound for further drug optimization in angiogenesis and cancer therapy.
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Affiliation(s)
- Majdi Saleem Naamneh
- School of Pharmacy Institute for Drug Research, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112002, Israel; (M.S.N.); (M.K.); (A.H.)
| | - Tatjana Momic
- School of Pharmacy Institute for Drug Research, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112002, Israel; (M.S.N.); (M.K.); (A.H.)
- VINČA Institute of Nuclear Sciences, National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovića Alasa 12–14, 11000 Belgrade, Serbia;
| | - Michal Klazas
- School of Pharmacy Institute for Drug Research, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112002, Israel; (M.S.N.); (M.K.); (A.H.)
| | - Julius Grosche
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, Waldeyer-Str. 15, 48149 Münster, Germany (J.A.E.)
| | - Johannes A. Eble
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, Waldeyer-Str. 15, 48149 Münster, Germany (J.A.E.)
| | - Cezary Marcinkiewicz
- Debina Diagnostics Inc., 33 Bishop Hollow Rd., Newtown Square, PA 19073-3211, USA;
| | - Netaly Khazanov
- Department of Chemistry, Bar Ilan University, Ramat-Gan 5290002, Israel; (N.K.); (H.S.)
| | - Hanoch Senderowitz
- Department of Chemistry, Bar Ilan University, Ramat-Gan 5290002, Israel; (N.K.); (H.S.)
| | - Amnon Hoffman
- School of Pharmacy Institute for Drug Research, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112002, Israel; (M.S.N.); (M.K.); (A.H.)
| | - Chaim Gilon
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel;
| | - Jehoshua Katzhendler
- School of Pharmacy Institute for Drug Research, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112002, Israel; (M.S.N.); (M.K.); (A.H.)
| | - Philip Lazarovici
- School of Pharmacy Institute for Drug Research, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112002, Israel; (M.S.N.); (M.K.); (A.H.)
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30
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Yang L, Chen H, Yang C, Hu Z, Jiang Z, Meng S, Liu R, Huang L, Yang K. Research progress on the regulatory mechanism of integrin-mediated mechanical stress in cells involved in bone metabolism. J Cell Mol Med 2024; 28:e18183. [PMID: 38506078 PMCID: PMC10951882 DOI: 10.1111/jcmm.18183] [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: 10/15/2023] [Revised: 01/14/2024] [Accepted: 02/04/2024] [Indexed: 03/21/2024] Open
Abstract
Mechanical stress is an internal force between various parts of an object that resists external factors and effects that cause an object to deform, and mechanical stress is essential for various tissues that are constantly subjected to mechanical loads to function normally. Integrins are a class of transmembrane heterodimeric glycoprotein receptors that are important target proteins for the action of mechanical stress stimuli on cells and can convert extracellular physical and mechanical signals into intracellular bioelectrical signals, thereby regulating osteogenesis and osteolysis. Integrins play a bidirectional regulatory role in bone metabolism. In this paper, relevant literature published in recent years is reviewed and summarized. The characteristics of integrins and mechanical stress are introduced, as well as the mechanisms underlying responses of integrin to mechanical stress stimulation. The paper focuses on integrin-mediated mechanical stress in different cells involved in bone metabolism and its associated signalling mechanisms. The purpose of this review is to provide a theoretical basis for the application of integrin-mediated mechanical stress to the field of bone tissue repair and regeneration.
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Affiliation(s)
- Li Yang
- Department of Periodontology, Hospital of StomatologyZunyi Medical UniversityZunyiChina
| | - Hong Chen
- Department of Periodontology, Hospital of StomatologyZunyi Medical UniversityZunyiChina
| | - Chanchan Yang
- Department of Periodontology, Hospital of StomatologyZunyi Medical UniversityZunyiChina
| | - Zhengqi Hu
- Department of Periodontology, Hospital of StomatologyZunyi Medical UniversityZunyiChina
| | - Zhiliang Jiang
- Department of Periodontology, Hospital of StomatologyZunyi Medical UniversityZunyiChina
| | - Shengzi Meng
- Department of Periodontology, Hospital of StomatologyZunyi Medical UniversityZunyiChina
| | | | - Lan Huang
- Department of Periodontology, Hospital of StomatologyZunyi Medical UniversityZunyiChina
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Dong W, Song CY, Liu MQ, Gao YH, Zhao ZW, Zhang XB, Moussian B, Zhang JZ. Osiris17 is essential for stable integrin localization and function during insect wing epithelia remodeling. Int J Biol Macromol 2024; 263:130245. [PMID: 38367779 DOI: 10.1016/j.ijbiomac.2024.130245] [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: 12/07/2023] [Revised: 02/13/2024] [Accepted: 02/14/2024] [Indexed: 02/19/2024]
Abstract
The dynamic adhesion between cells and their extracellular matrix is essential for the development and function of organs. During insect wing development, two epithelial sheets contact each other at their basal sites through the interaction of βPS integrins with the extracellular matrix. We report that Osiris17 contributes to the maintenance of βPS integrins localization and function in developing wing of Drosophila and locust. In flies with reduced Osiris17 expression the epithelia sheets fail to maintain the integrity of basal cytoplasmic junctional bridges and basal adhesion. In contrast to the continuous basal integrin localization in control wings, this localization is disrupted during late stages of wing development in Osiris17 depleted flies. In addition, the subcellular localization revealed that Osiris17 co-localizes with the endosomal markers Rab5 and Rab11. This observation suggests an involvement of Osiris17 in endosomal recycling of integrins. Indeed, Osiris17 depletion reduced the numbers of Rab5 and Rab11 positive endosomes. Moreover, overexpression of Osiris17 increased co-localization of Rab5 and βPS integrins and partially rescued the detachment phenotype in flies with reduced βPS integrins. Taken together, our data suggest that Osiris17 is an endosome related protein that contributes to epithelial remodeling and morphogenesis by assisting basal integrins localization in insects.
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Affiliation(s)
- Wei Dong
- Research Institute of Applied Biology, Shanxi Key Laboratory of Nucleic Acid Biopesticides, Shanxi University, Taiyuan, Shanxi, China.
| | - Chen-Yang Song
- Research Institute of Applied Biology, Shanxi Key Laboratory of Nucleic Acid Biopesticides, Shanxi University, Taiyuan, Shanxi, China
| | - Meng-Qi Liu
- Research Institute of Applied Biology, Shanxi Key Laboratory of Nucleic Acid Biopesticides, Shanxi University, Taiyuan, Shanxi, China
| | - Ying-Hao Gao
- Research Institute of Applied Biology, Shanxi Key Laboratory of Nucleic Acid Biopesticides, Shanxi University, Taiyuan, Shanxi, China
| | - Zhang-Wu Zhao
- Research Institute of Applied Biology, Shanxi Key Laboratory of Nucleic Acid Biopesticides, Shanxi University, Taiyuan, Shanxi, China
| | - Xu-Bo Zhang
- Research Institute of Applied Biology, Shanxi Key Laboratory of Nucleic Acid Biopesticides, Shanxi University, Taiyuan, Shanxi, China.
| | - Bernard Moussian
- INRAE, CNRS, Institut Sophia Agrobiotech, Sophia Antipolis, Université Côte d(')Azur, 06108 Nice, France.
| | - Jian-Zhen Zhang
- Research Institute of Applied Biology, Shanxi Key Laboratory of Nucleic Acid Biopesticides, Shanxi University, Taiyuan, Shanxi, China.
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Han S, Lee G, Kim D, Kim J, Kim I, Kim H, Kim D. Selective Suppression of Integrin-Ligand Binding by Single Molecular Tension Probes Mediates Directional Cell Migration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306497. [PMID: 38311584 PMCID: PMC11005741 DOI: 10.1002/advs.202306497] [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: 09/08/2023] [Revised: 01/04/2024] [Indexed: 02/06/2024]
Abstract
Cell migration interacting with continuously changing microenvironment, is one of the most essential cellular functions, participating in embryonic development, wound repair, immune response, and cancer metastasis. The migration process is finely tuned by integrin-mediated binding to ligand molecules. Although numerous biochemical pathways orchestrating cell adhesion and motility are identified, how subcellular forces between the cell and extracellular matrix regulate intracellular signaling for cell migration remains unclear. Here, it is showed that a molecular binding force across integrin subunits determines directional migration by regulating tension-dependent focal contact formation and focal adhesion kinase phosphorylation. Molecular binding strength between integrin αvβ3 and fibronectin is precisely manipulated by developing molecular tension probes that control the mechanical tolerance applied to cell-substrate interfaces. This data reveals that integrin-mediated molecular binding force reduction suppresses cell spreading and focal adhesion formation, attenuating the focal adhesion kinase (FAK) phosphorylation that regulates the persistence of cell migration. These results further demonstrate that manipulating subcellular binding forces at the molecular level can recapitulate differential cell migration in response to changes of substrate rigidity that determines the physical condition of extracellular microenvironment. Novel insights is provided into the subcellular mechanics behind global mechanical adaptation of the cell to surrounding tissue environments featuring distinct biophysical signatures.
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Affiliation(s)
- Seong‐Beom Han
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - Geonhui Lee
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - Daesan Kim
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - Jeong‐Ki Kim
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - In‐San Kim
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
- Biomedical Research CenterKorea Institute of Science and TechnologySeoul02792Republic of Korea
| | - Hae‐Won Kim
- Institute of Tissue Regeneration Engineering (ITREN)Dankook UniversityCheonan31116Republic of Korea
- Department of Biomaterials Science in College of Dentistry & Department of Nanobiomedical Science in Graduate SchoolDankook UniversityCheonan31116Republic of Korea
| | - Dong‐Hwee Kim
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
- Biomedical Research CenterKorea Institute of Science and TechnologySeoul02792Republic of Korea
- Department of Integrative Energy EngineeringCollege of EngineeringKorea UniversitySeoul02841Republic of Korea
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33
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Konstantis G, Tsaousi G, Pourzitaki C, Kasper-Virchow S, Zaun G, Kitsikidou E, Passenberg M, Tseriotis VS, Willuweit K, Schmidt HH, Rashidi-Alavijeh J. Identification of Key Genes Associated with Tumor Microenvironment Infiltration and Survival in Gastric Adenocarcinoma via Bioinformatics Analysis. Cancers (Basel) 2024; 16:1280. [PMID: 38610959 PMCID: PMC11010876 DOI: 10.3390/cancers16071280] [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: 02/17/2024] [Revised: 03/21/2024] [Accepted: 03/23/2024] [Indexed: 04/14/2024] Open
Abstract
OBJECTIVE Gastric carcinoma (GC) is the fifth most commonly diagnosed cancer and the third leading cause of cancer-related deaths globally. The tumor microenvironment plays a significant role in the pathogenesis, prognosis, and response to immunotherapy. However, the immune-related molecular mechanisms underlying GC remain elusive. Bioinformatics analysis of the gene expression of GC and paracancerous healthy tissues from the same patient was performed to identify the key genes and signaling pathways, as well as their correlation to the infiltration of the tumor microenvironment (TME) by various immune cells related to GC development. METHODS We employed GSE19826, a gene expression profile from the Gene Expression Omnibus (GEO), for our analysis. Functional enrichment analysis of Differentially Expressed Genes (DEGs) was conducted using the Gene Ontology and Kyoto Encyclopedia of Genes and Genomes database. RESULTS Cytoscape software facilitated the identification of nine hub DEGs, namely, FN1, COL1A1, COL1A2, THBS2, COL3A1, COL5A1, APOE, SPP1, and BGN. Various network analysis algorithms were applied to determine their high connectivity. Among these hub genes, FN1, COL1A2, THBS2, COL3A1, COL5A1, and BGN were found to be associated with a poor prognosis for GC patients. Subsequent analysis using the TIMER database revealed the infiltration status of the TME concerning the overexpression of these six genes. Specifically, the abovementioned genes demonstrated direct correlations with cancer-associated fibroblasts, M1 and M2 macrophages, myeloid-derived suppressor cells, and activated dendritic cells. CONCLUSION Our findings suggest that the identified hub genes, particularly BGN, FN1, COL1A2, THBS2, COL3A1, and COL5A1, play crucial roles in GC prognosis and TME cell infiltration. This comprehensive analysis enhances our understanding of the molecular mechanisms underlying GC development and may contribute to the identification of potential therapeutic targets and prognostic markers for GC patients.
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Affiliation(s)
- Georgios Konstantis
- Clinical Pharmacology, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece; (C.P.); (V.S.T.)
- Department of Gastroenterology, Hepatology and Transplant Medicine, Medical Faculty, University of Duisburg-Essen, 45141 Essen, Germany
| | - Georgia Tsaousi
- Department of Anesthesiology and ICU, Medical School, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece;
| | - Chryssa Pourzitaki
- Clinical Pharmacology, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece; (C.P.); (V.S.T.)
| | - Stefan Kasper-Virchow
- Department of Medical Oncology, West German Cancer Center, University Hospital Essen, Hufelandstr. 55, 45147 Essen, Germany
| | - Gregor Zaun
- Department of Medical Oncology, West German Cancer Center, University Hospital Essen, Hufelandstr. 55, 45147 Essen, Germany
| | - Elisavet Kitsikidou
- Department of Internal Medicine, Evangelical Hospital Dusseldorf, 40217 Dusseldorf, Germany;
| | - Moritz Passenberg
- Department of Gastroenterology, Hepatology and Transplant Medicine, Medical Faculty, University of Duisburg-Essen, 45141 Essen, Germany
| | - Vasilis Spyridon Tseriotis
- Clinical Pharmacology, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece; (C.P.); (V.S.T.)
| | - Katharina Willuweit
- Department of Gastroenterology, Hepatology and Transplant Medicine, Medical Faculty, University of Duisburg-Essen, 45141 Essen, Germany
| | - Hartmut H. Schmidt
- Department of Gastroenterology, Hepatology and Transplant Medicine, Medical Faculty, University of Duisburg-Essen, 45141 Essen, Germany
| | - Jassin Rashidi-Alavijeh
- Department of Gastroenterology, Hepatology and Transplant Medicine, Medical Faculty, University of Duisburg-Essen, 45141 Essen, Germany
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34
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Sotodosos-Alonso L, Del Pozo MA. Cancer cell invasion: Caveolae and invadosomes are partners in crime. Curr Biol 2024; 34:R244-R246. [PMID: 38531317 DOI: 10.1016/j.cub.2024.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
During cancer progression, tumor cells need to disseminate by remodeling the extracellular tumor matrix. A recent study sheds light on the intricate cooperation between caveolae and invadosomes that facilitates the spread of cancer cells.
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Affiliation(s)
- Laura Sotodosos-Alonso
- Mechanoadaptation and Caveolae Biology Laboratory, Novel Mechanisms of Atherosclerosis Program, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
| | - Miguel A Del Pozo
- Mechanoadaptation and Caveolae Biology Laboratory, Novel Mechanisms of Atherosclerosis Program, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain.
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35
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Kumari R, Ven K, Chastney M, Kokate SB, Peränen J, Aaron J, Kogan K, Almeida-Souza L, Kremneva E, Poincloux R, Chew TL, Gunning PW, Ivaska J, Lappalainen P. Focal adhesions contain three specialized actin nanoscale layers. Nat Commun 2024; 15:2547. [PMID: 38514695 PMCID: PMC10957975 DOI: 10.1038/s41467-024-46868-7] [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: 01/25/2024] [Accepted: 03/13/2024] [Indexed: 03/23/2024] Open
Abstract
Focal adhesions (FAs) connect inner workings of cell to the extracellular matrix to control cell adhesion, migration and mechanosensing. Previous studies demonstrated that FAs contain three vertical layers, which connect extracellular matrix to the cytoskeleton. By using super-resolution iPALM microscopy, we identify two additional nanoscale layers within FAs, specified by actin filaments bound to tropomyosin isoforms Tpm1.6 and Tpm3.2. The Tpm1.6-actin filaments, beneath the previously identified α-actinin cross-linked actin filaments, appear critical for adhesion maturation and controlled cell motility, whereas the adjacent Tpm3.2-actin filament layer beneath seems to facilitate adhesion disassembly. Mechanistically, Tpm3.2 stabilizes ACF-7/MACF1 and KANK-family proteins at adhesions, and hence targets microtubule plus-ends to FAs to catalyse their disassembly. Tpm3.2 depletion leads to disorganized microtubule network, abnormally stable FAs, and defects in tail retraction during migration. Thus, FAs are composed of distinct actin filament layers, and each may have specific roles in coupling adhesions to the cytoskeleton, or in controlling adhesion dynamics.
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Affiliation(s)
- Reena Kumari
- HiLIFE Institute of Biotechnology, University of Helsinki, FI-00014, Helsinki, Finland
| | - Katharina Ven
- HiLIFE Institute of Biotechnology, University of Helsinki, FI-00014, Helsinki, Finland
| | - Megan Chastney
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, FI-20520, Turku, Finland
| | - Shrikant B Kokate
- HiLIFE Institute of Biotechnology, University of Helsinki, FI-00014, Helsinki, Finland
| | - Johan Peränen
- HiLIFE Institute of Biotechnology, University of Helsinki, FI-00014, Helsinki, Finland
| | - Jesse Aaron
- Advanced Imaging Center, HHMI Janelia Research Campus, Ashburn, VA, 20147, USA
| | - Konstantin Kogan
- HiLIFE Institute of Biotechnology, University of Helsinki, FI-00014, Helsinki, Finland
| | - Leonardo Almeida-Souza
- HiLIFE Institute of Biotechnology, University of Helsinki, FI-00014, Helsinki, Finland
- Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Elena Kremneva
- HiLIFE Institute of Biotechnology, University of Helsinki, FI-00014, Helsinki, Finland
| | - Renaud Poincloux
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Teng-Leong Chew
- Advanced Imaging Center, HHMI Janelia Research Campus, Ashburn, VA, 20147, USA
| | - Peter W Gunning
- School of Biomedical Sciences, UNSW Sydney, Wallace Wurth Building, Sydney, NSW 2052, Australia
| | - Johanna Ivaska
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, FI-20520, Turku, Finland
- Department of Life Technologies, University of Turku, FI-20520, Turku, Finland
- InFLAMES Research Flagship Center, University of Turku, Turku, Finland
- Foundation for the Finnish Cancer Institute, Tukholmankatu 8, FI-00014, Helsinki, Finland
| | - Pekka Lappalainen
- HiLIFE Institute of Biotechnology, University of Helsinki, FI-00014, Helsinki, Finland.
- Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland.
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36
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Shimonty A, Pin F, Prideaux M, Peng G, Huot JR, Kim H, Rosen CJ, Spiegelman BM, Bonewald LF. Deletion of FNDC5/Irisin modifies murine osteocyte function in a sex-specific manner. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.11.06.565774. [PMID: 37986762 PMCID: PMC10659274 DOI: 10.1101/2023.11.06.565774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Irisin, released from exercised muscle, has been shown to have beneficial effects on numerous tissues but its effects on bone are unclear. We found significant sex and genotype differences in bone from wildtype (WT) mice compared to mice lacking Fndc5 (KO), with and without calcium deficiency. Despite their bone being indistinguishable from WT females, KO female mice were partially protected from osteocytic osteolysis and osteoclastic bone resorption when allowed to lactate or when placed on a low-calcium diet. Male KO mice have more but weaker bone compared to WT males, and when challenged with a low-calcium diet lost more bone than WT males. To begin to understand responsible molecular mechanisms, osteocyte transcriptomics was performed. Osteocytes from WT females had greater expression of genes associated with osteocytic osteolysis and osteoclastic bone resorption compared to WT males which had greater expression of genes associated with steroid and fatty acid metabolism. Few differences were observed between female KO and WT osteocytes, but with a low calcium diet, the KO females had lower expression of genes responsible for osteocytic osteolysis and osteoclastic resorption than the WT females. Male KO osteocytes had lower expression of genes associated with steroid and fatty acid metabolism, but higher expression of genes associated with bone resorption compared to male WT. In conclusion, irisin plays a critical role in the development of the male but not the female skeleton and protects male but not female bone from calcium deficiency. We propose irisin ensures the survival of offspring by targeting the osteocyte to provide calcium in lactating females, a novel function for this myokine.
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Affiliation(s)
- Anika Shimonty
- Indiana Center for Musculoskeletal Health, School of Medicine, Indiana University, IN, 46202, Indianapolis
| | - Fabrizio Pin
- Indiana Center for Musculoskeletal Health, Department of Anatomy, School of Medicine, Indiana University, IN, 46202, Indianapolis
| | - Matt Prideaux
- Indiana Center for Musculoskeletal Health, Department of Anatomy, School of Medicine, Indiana University, IN, 46202, Indianapolis
| | - Gang Peng
- Indiana Center for Musculoskeletal Health, Department of Medicine and Molecular Genetics, School of Medicine, Indiana University, IN, 46202, Indianapolis
| | - Joshua R Huot
- Indiana Center for Musculoskeletal Health, Department of Anatomy, School of Medicine, Indiana University, IN, 46202, Indianapolis
| | - Hyeonwoo Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Clifford J Rosen
- Maine Medical Center Research Institute, ME, 04074, Scarborough, USA
| | - Bruce M Spiegelman
- Department of Cancer Biology, Dana Farber Cancer Institute and Department of Cell Biology, Harvard University Medical School, MA, 02115, Boston, USA
| | - Lynda F Bonewald
- Department of Anatomy, Cell Biology and Physiology, Orthopaedic Surgery, School of Medicine, Indiana Center for Musculoskeletal Health, Indiana Center for Musculoskeletal Health, Indiana University, IN, 46202, Indianapolis
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Xiao Y, Zhou L, Andl T, Zhang Y. YAP1 controls the N-cadherin-mediated tumor-stroma interaction in melanoma progression. Oncogene 2024; 43:884-898. [PMID: 38308096 PMCID: PMC10942861 DOI: 10.1038/s41388-024-02953-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 02/04/2024]
Abstract
The hallmark of epithelial-to-mesenchymal transition (EMT) is the switch from epithelial cadherin (E-cadherin) to neural cadherin (N-cadherin), allowing melanoma cells to form a homotypic N-cadherin-mediated adhesion with stromal fibroblasts. However, how cadherin switching is initiated, maintained, and regulated in melanoma remains elusive. Here, we report a novel mechanism underlying cadherin switching in melanoma cells that is regulated by stromal Yes-associated protein 1 (YAP1) signaling. The progression of a BRAF-mutant mouse melanoma was suppressed in vivo upon YAP1 ablation in cancer-associated fibroblasts (CAFs). On the contrary, overexpressing YAP1 in CAFs accelerated melanoma development. By RNA-Seq, N-cadherin was identified as a major downstream effector of YAP1 signaling in CAFs. YAP1 silencing reduced N-cadherin expression in CAFs, leading to the downregulation of N-cadherin in neighboring melanoma cells. N-cadherin ablation inhibited the PI3K-AKT signaling pathway in melanoma cells and melanoma cell proliferation. The findings suggest that YAP1 depletion in CAFs induces the downregulation of p-AKT signaling in melanoma cells through the N-cadherin-mediated interaction between melanoma cells and CAFs. The data underscore an important role of CAFs in regulating N-cadherin-mediated adhesion and signaling in melanoma and highlight that disentangling cadherin-mediated cell-cell interactions can potentially disrupt tumor-stroma interactions and reverse the tumor cell invasive phenotype.
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Affiliation(s)
- Yao Xiao
- Division of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, Cincinnati, OH, 45267, USA
| | - Linli Zhou
- Division of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, Cincinnati, OH, 45267, USA
| | - Thomas Andl
- Burnett School of Biological Sciences, University of Central Florida, Orlando, FL, 32816, USA
| | - Yuhang Zhang
- Division of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, Cincinnati, OH, 45267, USA.
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Wang Z, Shang J, Qiu Y, Cheng H, Tao M, Xie E, Pei X, Li W, Zhang L, Wu A, Li G. Suppression of the METTL3-m 6A-integrin β1 axis by extracellular acidification impairs T cell infiltration and antitumor activity. Cell Rep 2024; 43:113796. [PMID: 38367240 DOI: 10.1016/j.celrep.2024.113796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/28/2023] [Accepted: 01/31/2024] [Indexed: 02/19/2024] Open
Abstract
The acidic metabolic byproducts within the tumor microenvironment (TME) hinder T cell effector functions. However, their effects on T cell infiltration remain largely unexplored. Leveraging the comprehensive The Cancer Genome Atlas dataset, we pinpoint 16 genes that correlate with extracellular acidification and establish a metric known as the "tumor acidity (TuAci) score" for individual patients. We consistently observe a negative association between the TuAci score and T lymphocyte score (T score) across various human cancer types. Mechanistically, extracellular acidification significantly impedes T cell motility by suppressing podosome formation. This phenomenon can be attributed to the reduced expression of methyltransferase-like 3 (METTL3) and the modification of RNA N6-methyladenosine (m6A), resulting in a subsequent decrease in the expression of integrin β1 (ITGB1). Importantly, enforced ITGB1 expression leads to enhanced T cell infiltration and improved antitumor activity. Our study suggests that modulating METTL3 activity or boosting ITGB1 expression could augment T cell infiltration within the acidic TME, thereby improving the efficacy of cell therapy.
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Affiliation(s)
- Zhe Wang
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou 215123, China
| | - Jingzhe Shang
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou 215123, China
| | - Yajing Qiu
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou 215123, China
| | - Hongcheng Cheng
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou 215123, China
| | - Mengyuan Tao
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou 215123, China
| | - Ermei Xie
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou 215123, China
| | - Xin Pei
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou 215123, China
| | - Wenhui Li
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou 215123, China
| | - Lianjun Zhang
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou 215123, China.
| | - Aiping Wu
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou 215123, China.
| | - Guideng Li
- National Key Laboratory of Immunity and Inflammation, and CAMS Key Laboratory of Synthetic Biology Regulatory Elements, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou 215123, China.
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Talajić A, Dominko K, Lončarić M, Ambriović-Ristov A, Ćetković H. The ancestral type of the R-RAS protein has oncogenic potential. Cell Mol Biol Lett 2024; 29:27. [PMID: 38383288 PMCID: PMC10882905 DOI: 10.1186/s11658-024-00546-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 02/05/2024] [Indexed: 02/23/2024] Open
Abstract
BACKGROUND The R-RAS2 is a small GTPase highly similar to classical RAS proteins at the regulatory and signaling levels. The high evolutionary conservation of R-RAS2, its links to basic cellular processes and its role in cancer, make R-RAS2 an interesting research topic. To elucidate the evolutionary history of R-RAS proteins, we investigated and compared structural and functional properties of ancestral type R-RAS protein with human R-RAS2. METHODS Bioinformatics analysis were used to elucidate the evolution of R-RAS proteins. Intrinsic GTPase activity of purified human and sponge proteins was analyzed with GTPase-GloTM Assay kit. The cell model consisted of human breast cancer cell lines MCF-7 and MDA-MB-231 transiently transfected with EsuRRAS2-like or HsaRRAS2. Biological characterization of R-RAS2 proteins was performed by Western blot on whole cell lysates or cell adhesion protein isolates, immunofluorescence and confocal microscopy, MTT test, colony formation assay, wound healing and Boyden chamber migration assays. RESULTS We found that the single sponge R-RAS2-like gene/protein probably reflects the properties of the ancestral R-RAS protein that existed prior to duplications during the transition to Bilateria, and to Vertebrata. Biochemical characterization of sponge and human R-RAS2 showed that they have the same intrinsic GTPase activity and RNA binding properties. By testing cell proliferation, migration and colony forming efficiency in MDA-MB-231 human breast cancer cells, we showed that the ancestral type of the R-RAS protein, sponge R-RAS2-like, enhances their oncogenic potential, similar to human R-RAS2. In addition, sponge and human R-RAS2 were not found in focal adhesions, but both homologs play a role in their regulation by increasing talin1 and vinculin. CONCLUSIONS This study suggests that the ancestor of all animals possessed an R-RAS2-like protein with oncogenic properties similar to evolutionarily more recent versions of the protein, even before the appearance of true tissue and the origin of tumors. Therefore, we have unraveled the evolutionary history of R-RAS2 in metazoans and improved our knowledge of R-RAS2 properties, including its structure, regulation and function.
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Affiliation(s)
- Antea Talajić
- Laboratory for Molecular Genetics, Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Kristina Dominko
- Laboratory for Molecular Genetics, Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Marija Lončarić
- Laboratory for Cell Biology and Signalling, Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Andreja Ambriović-Ristov
- Laboratory for Cell Biology and Signalling, Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Helena Ćetković
- Laboratory for Molecular Genetics, Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia.
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40
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Zhang S, Liu C, Liu D, Ning X, Li H, Zhang X, Lu Y, Zhang P, Chen S, Cai Z. Integrin β4 Regulates Cell Migration of Lung Adenocarcinoma Through FAK Signaling. Mol Biotechnol 2024:10.1007/s12033-024-01061-5. [PMID: 38332433 DOI: 10.1007/s12033-024-01061-5] [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: 10/07/2023] [Accepted: 01/02/2024] [Indexed: 02/10/2024]
Abstract
The role of the integrin family in malignancy has received increasing attention. Many studies have confirmed that ITGB4 could activate multiple signal pathways and promote cell migration in various cancers. However, the regulatory role of integrin β4 (ITGB4) in lung adenocarcinoma (LUAD) is still unclear. Examination of the expression or survival analysis of ITGB4 in cells, pathological samples, and bioinformatics lung adenocarcinoma databases showed ITGB4 was highly expressed in LUAD and significantly associated with poor prognosis. Small interfering RNA and plasmids were performed to investigate the effect of changes in ITGB4 expression on lung adenocarcinoma. Focal adhesion kinase (FAK) inhibitor defactinib was used to further explore the molecular mechanism of ITGB4. The results showed depletion of ITGB4 inhibited migration and activation of FAK signaling pathways in lung adenocarcinoma cells. Moreover, increased ITGB4 expression activated FAK signaling and promoted cell migration, which can be reversed by defactinib. In addition, ITGB4 could interact with FAK in lung adenocarcinoma cells. ITGB4 may promote cell migration of lung adenocarcinoma through FAK signaling pathway and has the potential to be a biomarker for lung adenocarcinoma.
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Affiliation(s)
- Shusen Zhang
- Hebei Province Xingtai People's Hospital Postdoctoral Workstation, Xingtai, China
- Postdoctoral Mobile Station, Hebei Medical University, Shijiazhuang, China
- Department of Pulmonary and Critical Care Medicine, Affiliated Xing Tai People Hospital of Hebei Medical University, Xingtai, China
- The First Department of Pulmonary and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Chengyu Liu
- Department of Surgery, Graduate School of Hebei Medical University, Shijiazhuang, China
| | - Dengxiang Liu
- Department of Oncology, Affiliated Xing Tai People Hospital of Hebei Medical University, Xingtai, China
| | - Xuecong Ning
- Department of Pulmonary and Critical Care Medicine, Affiliated Xing Tai People Hospital of Hebei Medical University, Xingtai, China
| | - Hui Li
- Department of Oncology, Affiliated Xing Tai People Hospital of Hebei Medical University, Xingtai, China
| | - Xiaochong Zhang
- Department of Oncology, Affiliated Xing Tai People Hospital of Hebei Medical University, Xingtai, China
| | - Yuanyuan Lu
- Department of Anesthesiology, Affiliated Xing Tai People Hospital of Hebei Medical University, Xingtai, China
| | - Ping Zhang
- Department of Pulmonary and Critical Care Medicine, Affiliated Xing Tai People Hospital of Hebei Medical University, Xingtai, China
| | - Shubo Chen
- Hebei Province Xingtai People's Hospital Postdoctoral Workstation, Xingtai, China.
- Department of Oncology, Affiliated Xing Tai People Hospital of Hebei Medical University, Xingtai, China.
| | - Zhigang Cai
- Postdoctoral Mobile Station, Hebei Medical University, Shijiazhuang, China.
- The First Department of Pulmonary and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, China.
- Heibei Key Laboratory of Respiratory Critical Care, Shijiazhuang, China.
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41
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Wells JA, Kumru K. Extracellular targeted protein degradation: an emerging modality for drug discovery. Nat Rev Drug Discov 2024; 23:126-140. [PMID: 38062152 DOI: 10.1038/s41573-023-00833-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/23/2023] [Indexed: 02/08/2024]
Abstract
Targeted protein degradation (TPD) has emerged in the past decade as a major new drug modality to remove intracellular proteins with bispecific small molecules that recruit the protein of interest (POI) to an E3 ligase for degradation in the proteasome. Unlike classic occupancy-based drugs, intracellular TPD (iTPD) eliminates the target and works catalytically, and so can be more effective and sustained, with lower dose requirements. Recently, this approach has been expanded to the extracellular proteome, including both secreted and membrane proteins. Extracellular targeted protein degradation (eTPD) uses bispecific antibodies, conjugates or small molecules to degrade extracellular POIs by trafficking them to the lysosome for degradation. Here, we focus on recent advances in eTPD, covering degrader systems, targets, molecular designs and parameters to advance them. Now almost any protein, intracellular or extracellular, is addressable in principle with TPD.
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Affiliation(s)
- James A Wells
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA, USA.
- Department of Cellular & Molecular Pharmacology, University of California San Francisco, San Francisco, CA, USA.
| | - Kaan Kumru
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA, USA
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42
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Chavez MB, Tan MH, Kolli TN, Andras NL, Foster BL. Functional defects in cementoblasts with disrupted bone sialoprotein functional domains, in vitro. Bone 2024; 179:116961. [PMID: 37951522 PMCID: PMC10841848 DOI: 10.1016/j.bone.2023.116961] [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: 09/03/2023] [Revised: 11/02/2023] [Accepted: 11/08/2023] [Indexed: 11/14/2023]
Abstract
Bone sialoprotein (BSP) is a multifunctional extracellular matrix (ECM) protein present in bone and cementum. Global in vivo ablation of BSP leads to bone mineralization defects, lack of acellular cementum, and periodontal breakdown. BSP harbors three main functional domains: N-terminal collagen-binding domain, hydroxyapatite-nucleating domain, and C-terminal RGD integrin-binding signaling domain. How each of these domains contributes to BSP function(s) is not understood. We hypothesized that collagen-binding and RGD domains play distinct roles in cementoblast functions. Three CRISPR/Cas9 gene-edited cell lines were derived from control wild-type (WT) OCCM.30 murine immortalized cementoblasts: 1) deletion of the N-terminus of BSP after signal peptide, including entire collagen binding domain (Ibsp∆N-Term); 2) deletion of exon 4 (majority of collagen-binding domain; Ibsp∆Ex4); and 3) deletion of C-terminus of BSP including the integrin binding RGD domain (Ibsp∆C-Term). Compared to WT, Ibsp∆Ex4 and Ibsp∆C-Term cell lines showed reduced BSP secretion, in vitro. Abnormal cell morphology was observed in all mutant cell lines, with Ibsp∆C-Term showing highly disorganized cytoskeleton. All mutant cell lines showed significantly lower cell proliferation compared to WT at all timepoints. Ibsp∆N-Term cells showed reduced cell migration by 24 h. All mutants exhibited over 50 % significant reduced mineralization at days 6 and 10. While WT cells were largely unaffected by seeding density, mutant cells failed to mineralize at lower cell density. Mutant cell lines diverged from WT and from each other by dysregulated expression in 23 genes involved in mineralization, ECM, and cell signaling. In summary, disabling BSP functional domains led to profound and distinct changes in cementoblast cell functions, especially dysregulated gene expression and reduced mineralization, in a way did not align with a straightforward narrative where each functional domain caused specific, expected differences. Instead, the study uncovered a significant level of complexity in how different mutant forms of BSP affected cell functions, in vitro.
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Affiliation(s)
- Michael B Chavez
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA; College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Michelle H Tan
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - Tamara N Kolli
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - Natalie L Andras
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - Brian L Foster
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA.
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Liu S, Chen Q, Wang L, Tong M, Sun H, Dong M, Niu W, Wang L. The novel protein complex FAPα/ITGA5 is involved in the bone destruction of apical periodontitis. Int J Biol Macromol 2024; 259:128200. [PMID: 37979759 DOI: 10.1016/j.ijbiomac.2023.128200] [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: 09/11/2023] [Revised: 11/05/2023] [Accepted: 11/15/2023] [Indexed: 11/20/2023]
Abstract
The bacteria that invade the periapical tissue of teeth can directly damage tissue cells such as periapical fibroblasts, leading to an inflammatory response in the periapical tissue and ultimately resulting in bone destruction. We investigated the role of fibroblast activation protein α (FAPα) and integrin α5 (ITGA5) in periapical bone destruction. This study found that FAPα and ITGA5 were highly expressed in human tissues from patients with chronic apical periodontitis. Osteoclast differentiation decreased when FAPα or ITGA5 was silenced and inhibited. The results of protein molecular docking showed that FAPα had good binding affinity to ITGA5, and its free energy was -14.5 kcal/mol. Immunofluorescence staining and co-immunoprecipitation showed that FAPα and ITGA5 formed protein complexes in the inflammatory microenvironment. In conclusion, this study proved that FAPα and ITGA5 participate in the regulation of osteoclast differentiation by forming protein complexes in the inflammatory microenvironment, which then regulates the occurrence and development of chronic apical periodontitis.
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Affiliation(s)
- Shuo Liu
- Department of Endodontics and Periodontics, College of Stomatology, Dalian Medical University, 9 West Section, Lvshun South Road, Dalian, Liaoning 116044, China
| | - QianYang Chen
- Department of Endodontics and Periodontics, College of Stomatology, Dalian Medical University, 9 West Section, Lvshun South Road, Dalian, Liaoning 116044, China
| | - Lili Wang
- Zhong Shan College of Dalian Medical University, No. 28, Aixian Street, Dalian, Liaoning 116085, China
| | - MeiChen Tong
- Department of Endodontics and Periodontics, College of Stomatology, Dalian Medical University, 9 West Section, Lvshun South Road, Dalian, Liaoning 116044, China
| | - HaiBo Sun
- Department of Endodontics and Periodontics, College of Stomatology, Dalian Medical University, 9 West Section, Lvshun South Road, Dalian, Liaoning 116044, China
| | - Ming Dong
- Department of Endodontics and Periodontics, College of Stomatology, Dalian Medical University, 9 West Section, Lvshun South Road, Dalian, Liaoning 116044, China.
| | - WeiDong Niu
- Department of Endodontics and Periodontics, College of Stomatology, Dalian Medical University, 9 West Section, Lvshun South Road, Dalian, Liaoning 116044, China.
| | - LiNa Wang
- Department of Endodontics and Periodontics, College of Stomatology, Dalian Medical University, 9 West Section, Lvshun South Road, Dalian, Liaoning 116044, China.
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Liu C, Xu J, Fan J, Liu C, Xie W, Kong H. DPP-4 exacerbates LPS-induced endothelial cells inflammation via integrin-α5β1/FAK/AKT signaling. Exp Cell Res 2024; 435:113909. [PMID: 38184221 DOI: 10.1016/j.yexcr.2023.113909] [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: 11/21/2023] [Revised: 12/18/2023] [Accepted: 12/30/2023] [Indexed: 01/08/2024]
Abstract
Endothelial dysfunction plays a pivotal role in the pathogenesis of acute lung injury (ALI)/acute respiratory distress syndrome (ARDS). Dipeptidyl peptidase IV (DPP-4), a cell surface glycoprotein, has been implicated in endothelial inflammation and barrier dysfunction. In this study, the role of DPP-4 on lipopolysaccharide (LPS)-induced pulmonary microvascular endothelial cells (HPMECs) dysfunction and the underlying mechanism were investigated by siRNA-mediated knockdown of DPP-4. Our results indicated that LPS (1 μg/ml) challenge resulted in either the production and releasing of DPP-4, as well as the secretion of IL-6 and IL-8 in HPMECs. DPP-4 knockdown inhibited chemokine releasing and monolayer hyper-permeability in LPS challenged HPMECs. When cocultured with human polymorphonuclear neutrophils (PMNs), DPP4 knockdown suppressed LPS-induced neutrophil-endothelial adhesion, PMN chemotaxis and trans-endothelial migration. Western blotting showed that DPP-4 knockdown attenuated LPS-induced activation of TLR4/NF-κB pathway. Immunoprecipitation and liquid chromatography-tandem mass spectrometry revealed that DPP-4 mediated LPS-induced endothelial inflammation by interacting with integrin-α5β1. Moreover, exogenous soluble DPP-4 treatment sufficiently activated integrin-α5β1 downstream FAK/AKT/NF-κB signaling, thereafter inducing ICAM-1 upregulation in HPMECs. Collectively, our results suggest that endothelia synthesis and release DPP-4 under the stress of endotoxin, which interact with integrin-α5β1 complex in an autocrine or paracrine manner to exacerbate endothelial inflammation and enhance endothelial cell permeability. Therefore, blocking DDP-4 could be a potential therapeutic strategy to prevent endothelial dysfunction in ALI/ARDS.
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Affiliation(s)
- Chang Liu
- Department of Pulmonary & Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Jian Xu
- Department of Cardio-Pulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, 200433, China
| | - Jiahao Fan
- Department of Pulmonary & Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Chenyang Liu
- Department of Pulmonary & Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Weiping Xie
- Department of Pulmonary & Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, China.
| | - Hui Kong
- Department of Pulmonary & Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, China.
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45
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Ji G, Li Y, Zhang Z, Li H, Sun P. Recent advances of novel targeted drug delivery systems based on natural medicine monomers against hepatocellular carcinoma. Heliyon 2024; 10:e24667. [PMID: 38312669 PMCID: PMC10834828 DOI: 10.1016/j.heliyon.2024.e24667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 12/22/2023] [Accepted: 01/11/2024] [Indexed: 02/06/2024] Open
Abstract
Hepatocellular carcinoma (HCC), the most prevalent type of liver cancer, is often diagnosed at an advanced stage. Surgical interventions are often ineffective, leading HCC patients to rely on systemic chemotherapy. Unfortunately, commonly used chemotherapeutic drugs have limited efficacy and can adversely affect vital organs, causing significant physical and psychological distress for patients. Natural medicine monomers (NMMs) have shown promising efficacy and safety profiles in HCC treatment, garnering attention from researchers. In recent years, the development of novel targeted drug delivery systems (TDDS) combining NMMs with nanocarriers has emerged. These TDDS aim to concentrate drugs effectively in HCC cells by manipulating the characteristics of nanomedicines, leveraging receptor and ligand interactions, and utilizing endogenous stimulatory responses to promote specific nanomedicines distribution. This comprehensive review presents recent research on TDDS for HCC treatment using NMMs from three perspectives: passive TDDS, active TDDS, and stimuli-responsive drug delivery systems (SDDS). It consolidates the current state of research on TDDS for HCC treatment with NMMs and highlights the potential of these innovative approaches in improving treatment outcomes. Moreover, the review also identifies research gaps in the related fields to provide references for future targeted therapy research in HCC.
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Affiliation(s)
- Guanjie Ji
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Yue Li
- Department of Clinical Pharmacy, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China
| | - Zhiyue Zhang
- Department of Pharmaceutics, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 Wenhuaxi Road, Jinan, Shandong Province, 250012, China
| | - Hui Li
- Department of Pharmaceutics, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 Wenhuaxi Road, Jinan, Shandong Province, 250012, China
| | - Ping Sun
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
- Grade Three Laboratory of Traditional Chinese Medicine Preparation of the National Administration of Traditional Chinese Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China
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46
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Velusamy A, Sharma R, Rashid SA, Ogasawara H, Salaita K. DNA mechanocapsules for programmable piconewton responsive drug delivery. Nat Commun 2024; 15:704. [PMID: 38267454 PMCID: PMC10808132 DOI: 10.1038/s41467-023-44061-w] [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: 01/04/2023] [Accepted: 11/29/2023] [Indexed: 01/26/2024] Open
Abstract
The mechanical dysregulation of cells is associated with a number of disease states, that spans from fibrosis to tumorigenesis. Hence, it is highly desirable to develop strategies to deliver drugs based on the "mechanical phenotype" of a cell. To achieve this goal, we report the development of DNA mechanocapsules (DMC) comprised of DNA tetrahedrons that are force responsive. Modeling shows the trajectory of force-induced DMC rupture and predicts how applied force spatial position and orientation tunes the force-response threshold. DMCs functionalized with adhesion ligands mechanically denature in vitro as a result of cell receptor forces. DMCs are designed to encapsulate macromolecular cargos such as dextran and oligonucleotide drugs with minimal cargo leakage and high nuclease resistance. Force-induced release and uptake of DMC cargo is validated using flow cytometry. Finally, we demonstrate force-induced mRNA knockdown of HIF-1α in a manner that is dependent on the magnitude of cellular traction forces. These results show that DMCs can be effectively used to target biophysical phenotypes which may find useful applications in immunology and cancer biology.
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Affiliation(s)
| | - Radhika Sharma
- Department of Chemistry, Emory University, Atlanta, GA, USA
| | | | | | - Khalid Salaita
- Department of Chemistry, Emory University, Atlanta, GA, USA.
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA.
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He J, Cao Y, Zhu Q, Wang X, Cheng G, Wang Q, He R, Lu H, Weng Y, Mao G, Bao Y, Wang J, Liu X, Han F, Shi P, Shen XZ. Renal macrophages monitor and remove particles from urine to prevent tubule obstruction. Immunity 2024; 57:106-123.e7. [PMID: 38159573 DOI: 10.1016/j.immuni.2023.12.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 07/17/2023] [Accepted: 12/05/2023] [Indexed: 01/03/2024]
Abstract
When the filtrate of the glomerulus flows through the renal tubular system, various microscopic sediment particles, including mineral crystals, are generated. Dislodging these particles is critical to ensuring the free flow of filtrate, whereas failure to remove them will result in kidney stone formation and obstruction. However, the underlying mechanism for the clearance is unclear. Here, using high-resolution microscopy, we found that the juxtatubular macrophages in the renal medulla constitutively formed transepithelial protrusions and "sampled" urine contents. They efficiently sequestered and phagocytosed intraluminal sediment particles and occasionally transmigrated to the tubule lumen to escort the excretion of urine particles. Mice with decreased renal macrophage numbers were prone to developing various intratubular sediments, including kidney stones. Mechanistically, the transepithelial behaviors of medulla macrophages required integrin β1-mediated ligation to the tubular epithelium. These findings indicate that medulla macrophages sample urine content and remove intratubular particles to keep the tubular system unobstructed.
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Affiliation(s)
- Jian He
- Department of Physiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yangyang Cao
- Department of Physiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Qian Zhu
- Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xinge Wang
- Department of Physiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Guo Cheng
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Qiang Wang
- Department of Laboratory Medicine, Affiliated Zhejiang Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Rukun He
- Department of Physiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Haoran Lu
- Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine, Haining, Zhejiang, China
| | - Yuancheng Weng
- Department of Physiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Genxiang Mao
- Zhejiang Provincial Key Lab of Geriatrics, Department of Geriatrics, Affiliated Zhejiang Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yizhong Bao
- Zhejiang Provincial Key Lab of Geriatrics, Department of Geriatrics, Affiliated Zhejiang Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jing Wang
- Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoli Liu
- Department of Neurology, Affiliated Zhejiang Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Fei Han
- Kidney Disease Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Peng Shi
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
| | - Xiao Z Shen
- Department of Physiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
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48
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Johannes L, Shafaq-Zadah M, Dransart E, Wunder C, Leffler H. Endocytic Roles of Glycans on Proteins and Lipids. Cold Spring Harb Perspect Biol 2024; 16:a041398. [PMID: 37735065 PMCID: PMC10759989 DOI: 10.1101/cshperspect.a041398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
Most cell surface proteins are decorated by glycans, and the plasma membrane is rich in glycosylated lipids. The mechanisms by which the enormous complexity of these glycan structures on proteins and lipids is exploited to control glycoprotein activity by setting their cell surface residence time and the ways by which they are taken up into cells are still under active investigation. Here, two mechanisms are presented, termed galectin lattices and glycolipid-lectin (GL-Lect)-driven endocytosis, which are among the most prominent to establish a link between glycan information and endocytosis. Types of glycans on glycoproteins and glycolipids are reviewed from the angle of their interaction with glycan-binding proteins that are at the heart of galectin lattices and GL-Lect-driven endocytosis. Examples are given to show how these mechanisms affect cellular functions ranging from cell migration and signaling to vascularization and immune modulation. Finally, outstanding challenges on the link between glycosylation and endocytosis are discussed.
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Affiliation(s)
- Ludger Johannes
- Cellular and Chemical Biology Unit, Institut Curie, 75248 Paris Cedex 05, France
| | | | - Estelle Dransart
- Cellular and Chemical Biology Unit, Institut Curie, 75248 Paris Cedex 05, France
| | - Christian Wunder
- Cellular and Chemical Biology Unit, Institut Curie, 75248 Paris Cedex 05, France
| | - Hakon Leffler
- Section MIG (Microbiology, Immunology, Glycobiology), Department of Laboratory Medicine, Lund University, 22362 Lund, Sweden
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49
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Garone ME, Chase SE, Zhang C, Krendel M. Myosin 1e deficiency affects migration of 4T1 breast cancer cells. Cytoskeleton (Hoboken) 2023:10.1002/cm.21819. [PMID: 38140937 PMCID: PMC11193843 DOI: 10.1002/cm.21819] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 11/03/2023] [Accepted: 12/01/2023] [Indexed: 12/24/2023]
Abstract
Metastasis of breast cancer cells to distant tissue sites is responsible for the majority of deaths associated with breast cancer. Previously we have examined the role of class I myosin motor protein, myosin 1e (myo1e), in cancer metastasis using the Mouse Mammary Tumor Virus-Polyoma Middle T Antigen (MMTV-PyMT) mouse model. Mice deficient in myo1e formed tumors with a more differentiated phenotype relative to the wild-type mice and formed no detectable lung metastases. In the current study, we investigated how the absence of myo1e affects cell migration and invasion in vitro, using the highly invasive and migratory breast cancer cell line, 4T1. 4T1 cells deficient in myo1e exhibited an altered morphology and slower rates of migration in the wound-healing and transwell migration assays compared to the WT 4T1 cells. While integrin trafficking and Golgi reorientation did not appear to be altered upon myo1e loss, we observed lower rates of focal adhesion disassembly in myo1e-deficient cells, which could help explain the cell migration defect.
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Affiliation(s)
- Michael E. Garone
- Department of Cell and Developmental Biology, State University of New York Upstate Medical University, Syracuse, NY 13210
| | - Sharon E. Chase
- Department of Cell and Developmental Biology, State University of New York Upstate Medical University, Syracuse, NY 13210
| | - Chunling Zhang
- Department of Neuroscience and Physiology, State University of New York Upstate Medical University, Syracuse, NY 13210
| | - Mira Krendel
- Department of Cell and Developmental Biology, State University of New York Upstate Medical University, Syracuse, NY 13210
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50
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Arif S, Moulin VJ. Extracellular vesicles on the move: Traversing the complex matrix of tissues. Eur J Cell Biol 2023; 102:151372. [PMID: 37972445 DOI: 10.1016/j.ejcb.2023.151372] [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: 06/22/2023] [Revised: 11/10/2023] [Accepted: 11/10/2023] [Indexed: 11/19/2023] Open
Abstract
Extracellular vesicles are small particles involved in intercellular signaling. They are produced by virtually all cell types, transport biological molecules, and are released into the extracellular space. Studies on extracellular vesicles have become more numerous in recent years, leading to promising research on their potential impact on health and disease. Despite significant progress in understanding the bioactivity of extracellular vesicles, most in vitro and in vivo studies overlook their transport through the extracellular matrix in tissues. The interaction or free diffusion of extracellular vesicles in their environment can provide valuable insights into their efficacy and function. Therefore, understanding the factors that influence the transport of extracellular vesicles in the extracellular matrix is essential for the development of new therapeutic approaches that involve the use of these extracellular vesicles. This review discusses the importance of the interaction between extracellular vesicles and the extracellular matrix and the different factors that influence their diffusion. In addition, we evaluate their role in tissue homeostasis, pathophysiology, and potential clinical applications. Understanding the complex interaction between extracellular vesicles and the extracellular matrix is critical in order to develop effective strategies to target specific cells and tissues in a wide range of clinical applications.
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Affiliation(s)
- Syrine Arif
- Faculté de Médecine, Université Laval, Quebec City, QC G1V 0A6, Canada; Centre de Recherche du CHU de Québec-Université Laval, Quebec City, QC G1S 4L8, Canada; Centre de Recherche en Organogénèse Expérimentale de l'Université Laval/LOEX, Quebec City, QC G1J 1Z4, Canada
| | - Véronique J Moulin
- Faculté de Médecine, Université Laval, Quebec City, QC G1V 0A6, Canada; Centre de Recherche du CHU de Québec-Université Laval, Quebec City, QC G1S 4L8, Canada; Centre de Recherche en Organogénèse Expérimentale de l'Université Laval/LOEX, Quebec City, QC G1J 1Z4, Canada; Department of Surgery, Faculty of Medicine, Université Laval, Quebec City, QC, Canada.
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