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Dharan R, Sorkin R. Biophysical aspects of migrasome organelle formation and their diverse cellular functions. Bioessays 2024; 46:e2400051. [PMID: 38922978 DOI: 10.1002/bies.202400051] [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: 03/08/2024] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 06/28/2024]
Abstract
The transient cellular organelles known as migrasomes, which form during cell migration along retraction fibers, have emerged as a crutial factor in various fundamental cellular processes and pathologies. These membrane vesicles originate from local membrane swellings, encapsulate specific cytoplasmic content, and are eventually released to the extracellular environment or taken up by recipient cells. Migrasome biogenesis entails a sequential membrane remodeling process involving a complex interplay between various molecular factors such as tetraspanin proteins, and mechanical properties like membrane tension and bending rigidity. In this review, we summarize recent studies exploring the mechanism of migrasome formation. We emphasize how physical forces, together with molecular factors, shape migrasome biogenesis, and detail the involvement of migrasomes in various cellular processes and pathologies. A comprehensive understanding of the exact mechanism underlying migrasome formation and the identification of key molecules involved hold promise for advancing their therapeutic and diagnostic applications.
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Affiliation(s)
- Raviv Dharan
- School of Chemistry, Raymond & Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, Israel
- Center for Physics and Chemistry of Living Systems, Tel Aviv University, Tel Aviv, Israel
| | - Raya Sorkin
- School of Chemistry, Raymond & Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, Israel
- Center for Physics and Chemistry of Living Systems, Tel Aviv University, Tel Aviv, Israel
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2
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Dharan R, Sorkin R. Tetraspanin proteins in membrane remodeling processes. J Cell Sci 2024; 137:jcs261532. [PMID: 39051897 DOI: 10.1242/jcs.261532] [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: 07/27/2024] Open
Abstract
Membrane remodeling is a fundamental cellular process that is crucial for physiological functions such as signaling, membrane fusion and cell migration. Tetraspanins (TSPANs) are transmembrane proteins of central importance to membrane remodeling events. During these events, TSPANs are known to interact with themselves and other proteins and lipids; however, their mechanism of action in controlling membrane dynamics is not fully understood. Since these proteins span the membrane, membrane properties such as rigidity, curvature and tension can influence their behavior. In this Review, we summarize recent studies that explore the roles of TSPANs in membrane remodeling processes and highlight the unique structural features of TSPANs that mediate their interactions and localization. Further, we emphasize the influence of membrane curvature on TSPAN distribution and membrane domain formation and describe how these behaviors affect cellular functions. This Review provides a comprehensive perspective on the multifaceted function of TSPANs in membrane remodeling processes and can help readers to understand the intricate molecular mechanisms that govern cellular membrane dynamics.
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Affiliation(s)
- Raviv Dharan
- School of Chemistry , Raymond & Beverly Sackler Faculty of Exact Sciences , Tel Aviv University, 6997801, Tel Aviv, Israel
- Center for Physics and Chemistry of Living Systems , Tel Aviv University, 6997801, Tel Aviv, Israel
| | - Raya Sorkin
- School of Chemistry , Raymond & Beverly Sackler Faculty of Exact Sciences , Tel Aviv University, 6997801, Tel Aviv, Israel
- Center for Physics and Chemistry of Living Systems , Tel Aviv University, 6997801, Tel Aviv, Israel
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3
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Li Y, Zhu Z, Li S, Xie X, Qin L, Zhang Q, Yang Y, Wang T, Zhang Y. Exosomes: compositions, biogenesis, and mechanisms in diabetic wound healing. J Nanobiotechnology 2024; 22:398. [PMID: 38970103 PMCID: PMC11225131 DOI: 10.1186/s12951-024-02684-1] [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: 02/16/2024] [Accepted: 07/01/2024] [Indexed: 07/07/2024] Open
Abstract
Diabetic wounds are characterized by incomplete healing and delayed healing, resulting in a considerable global health care burden. Exosomes are lipid bilayer structures secreted by nearly all cells and express characteristic conserved proteins and parent cell-associated proteins. Exosomes harbor a diverse range of biologically active macromolecules and small molecules that can act as messengers between different cells, triggering functional changes in recipient cells and thus endowing the ability to cure various diseases, including diabetic wounds. Exosomes accelerate diabetic wound healing by regulating cellular function, inhibiting oxidative stress damage, suppressing the inflammatory response, promoting vascular regeneration, accelerating epithelial regeneration, facilitating collagen remodeling, and reducing scarring. Exosomes from different tissues or cells potentially possess functions of varying levels and can promote wound healing. For example, mesenchymal stem cell-derived exosomes (MSC-exos) have favorable potential in the field of healing due to their superior stability, permeability, biocompatibility, and immunomodulatory properties. Exosomes, which are derived from skin cellular components, can modulate inflammation and promote the regeneration of key skin cells, which in turn promotes skin healing. Therefore, this review mainly emphasizes the roles and mechanisms of exosomes from different sources, represented by MSCs and skin sources, in improving diabetic wound healing. A deeper understanding of therapeutic exosomes will yield promising candidates and perspectives for diabetic wound healing management.
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Affiliation(s)
- Yichuan Li
- Department of Dermatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Zhanyong Zhu
- Department of Plastic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, 430060, China
| | - Sicheng Li
- Department of Plastic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, 430060, China
| | - Xiaohang Xie
- Department of Dermatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Lei Qin
- Department of Dermatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Qi Zhang
- Department of Plastic and Cosmetic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
- Xianning Medical College, Hubei University of Science & Technology, Xianning, Hubei, 437000, China
| | - Yan Yang
- Health Management Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Ting Wang
- Department of Medical Ultrasound, Tongji Hospital of Tongji Medical College of Huazhong, University of Science and Technology, Wuhan, 430030, China.
| | - Yong Zhang
- Department of Dermatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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Mrozowska M, Górnicki T, Olbromski M, Partyńska AI, Dzięgiel P, Rusak A. New insights into the role of tetraspanin 6, 7, and 8 in physiology and pathology. Cancer Med 2024; 13:e7390. [PMID: 39031113 PMCID: PMC11258570 DOI: 10.1002/cam4.7390] [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: 04/04/2024] [Revised: 05/24/2024] [Accepted: 06/02/2024] [Indexed: 07/22/2024] Open
Abstract
BACKGROUND The tetraspanin (TSPAN) family comprises 33 membrane receptors involved in various physiological processes in humans. Tetrasapanins are surface proteins expressed in cells of various organisms. They are localised to the cell membrane by four transmembrane domains (TM4SF). These domains bind several cell surface receptors and signalling proteins to tetraspanin-enriched lipid microdomains (TERM or TEM). Tetraspanins play a critical role in anchoring many proteins. They also act as a scaffold for cell signalling proteins. AIM To summarise how tetraspanins 6, 7 and 8 contribute to the carcinogenesis process in different types of cancer. METHODS To provide a comprehensive review of the role of tetraspanins 6, 7 and 8 in cancer biology, we conducted a thorough search in PubMed, Embase and performed manual search of reference list to collect and extract data. DISCUSSION The assembly of tetraspanins covers an area of approximately 100-400 nm. Tetraspanins are involved in various biological processes such as membrane fusion, aggregation, proliferation, adhesion, cell migration and differentiation. They can also regulate integrins, cell surface receptors and signalling molecules. Tetraspanins form direct bonds with proteins and other members of the tetraspanin family, forming a hierarchical network of interactions and are thought to be involved in cell and membrane compartmentalisation. Tetraspanins have been implicated in cancer progression and have been shown to have multiple binding partners and to promote cancer progression and metastasis. Clinical studies have documented a correlation between the level of tetraspanin expression and the prediction of cancer progression, including breast and lung cancer. CONCLUSIONS Tetraspanins are understudied in almost all cell types and their functions are not clearly defined. Fortunately, it has been possible to identify the basic mechanisms underlying the biological role of these proteins. Therefore, the purpose of this review is to describe the roles of tetraspanins 6, 7 and 8.
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Affiliation(s)
- Monika Mrozowska
- Division of Histology and Embryology, Department of Human Morphology and EmbryologyWroclaw Medical UniversityWroclawPoland
| | - Tomasz Górnicki
- Division of Histology and Embryology, Department of Human Morphology and EmbryologyWroclaw Medical UniversityWroclawPoland
| | - Mateusz Olbromski
- Division of Histology and Embryology, Department of Human Morphology and EmbryologyWroclaw Medical UniversityWroclawPoland
| | - Aleksandra Izabela Partyńska
- Division of Histology and Embryology, Department of Human Morphology and EmbryologyWroclaw Medical UniversityWroclawPoland
| | - Piotr Dzięgiel
- Division of Histology and Embryology, Department of Human Morphology and EmbryologyWroclaw Medical UniversityWroclawPoland
- Department of Human Biology, Faculty of PhysiotherapyWroclaw University of Health and Sport SciencesWroclawPoland
| | - Agnieszka Rusak
- Division of Histology and Embryology, Department of Human Morphology and EmbryologyWroclaw Medical UniversityWroclawPoland
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Wang D, Yu L. Migrasome biogenesis: when biochemistry meets biophysics on membranes. Trends Biochem Sci 2024:S0968-0004(24)00147-6. [PMID: 38945731 DOI: 10.1016/j.tibs.2024.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 05/17/2024] [Accepted: 06/07/2024] [Indexed: 07/02/2024]
Abstract
Migrasomes, newly identified organelles, play crucial roles in intercellular communication, contributing to organ development and angiogenesis. These vesicles, forming on retraction fibers of migrating cells, showcase a sophisticated architecture. Recent research reveals that migrasome biogenesis is a complicated and highly regulated process. This review summarizes the mechanisms governing migrasome formation, proposing a model in which biogenesis is understood through the lens of membrane microdomain assembly. It underscores the critical interplay between biochemistry and biophysics. The biogenesis unfolds in three distinct stages: nucleation, maturation, and expansion, each characterized by unique morphological, biochemical, and biophysical features. We also explore the broader implications of migrasome research in membrane biology and outline key unanswered questions that represent important directions for future investigation.
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Affiliation(s)
- Dongju Wang
- The State Key Laboratory of Membrane Biology, Tsinghua-Peking Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Li Yu
- The State Key Laboratory of Membrane Biology, Tsinghua-Peking Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing 100084, China.
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Marquez J, Dong J, Hayashi J, Serrero G. Prostaglandin F2 Receptor Negative Regulator (PTGFRN) Expression Correlates With a Metastatic-like Phenotype in Epidermoid Carcinoma, Pediatric Medulloblastoma, and Mesothelioma. J Cell Biochem 2024. [PMID: 38924562 DOI: 10.1002/jcb.30616] [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: 12/24/2023] [Revised: 05/30/2024] [Accepted: 06/02/2024] [Indexed: 06/28/2024]
Abstract
Prostaglandin F2 receptor negative regulator (PTGFRN) is a transmembrane protein associated with metastatic characteristics of certain cancer types. However, it remains poorly characterized and its direct function in cancer remains unclear. The study presented here aims to further examine whether PTGFRN expression affects a cancer cell's phenotype, as well as metastatic-like characteristics. We used stable shRNA and cDNA transfections to respectively knockdown and overexpress PTGFRN in three different cancer cell lines, two of which are representative of rare and aggressive cancers (Mesothelioma and Pediatric Medulloblastoma). We then examined the characteristics of the resulting clones and showed a decrease in proliferation, migration, colony formation, and spheroid growth capabilities in cells where PTGFRN expression had been inhibited, while cells overexpressing PTGFRN showed the opposite. In addition, we showed that PTGFRN displayed direct binding to two protein partners, Integrin β1 and E. Cadherin, the latter of which is a novel direct binding partner to PTGFRN. Furthermore, silencing PTGFRN expression impacted the cellular process of autophagy, thereby providing another avenue by which PTGFRN potentially contributes to a cancer cell phenotype. Our findings demonstrate the potential role of PTGFRN in cancer metastasis and suggest PTGFRN as a future target for drug development in the treatment of metastatic cancers.
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Affiliation(s)
- Jorge Marquez
- Department of Pharmaceutical Sciences, Baltimore School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
- Target Discovery Division, A&G Pharmaceutical Inc., Columbia, Maryland, USA
| | - Jianping Dong
- Target Discovery Division, A&G Pharmaceutical Inc., Columbia, Maryland, USA
| | - Jun Hayashi
- Precision Antibody Service, Columbia, Maryland, USA
| | - Ginette Serrero
- Target Discovery Division, A&G Pharmaceutical Inc., Columbia, Maryland, USA
- Precision Antibody Service, Columbia, Maryland, USA
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7
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Fazeli A, Godakumara K. The evolving roles of extracellular vesicles in embryo-maternal communication. Commun Biol 2024; 7:754. [PMID: 38906986 PMCID: PMC11192758 DOI: 10.1038/s42003-024-06442-9] [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: 01/11/2024] [Accepted: 06/12/2024] [Indexed: 06/23/2024] Open
Abstract
Mammalian reproduction relies on precise maternal-fetal communication, wherein immune modifications foster tolerance toward the semi-allogeneic embryo. Extracellular vesicles (EVs), including exosomes and microvesicles, have emerged as crucial mediators, transporting molecules like microRNAs securely. EVs influence various reproductive stages, from gamete maturation to implantation, and impact pathologies like pregnancy loss. In the embryo-maternal dialogue, EVs notably affect oviductal interactions, gene expression, and the embryo-endometrial interface, crucial for successful implantation. Key queries persist about EV uptake, cargo delivery, and the specific biomolecules driving communication. Their potential in diagnostics, therapeutics, and understanding environmental impacts on fertility signals an exciting future, reliant on collaborative efforts for transformative strides in reproductive health.
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Affiliation(s)
- Alireza Fazeli
- Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Tartu, Estonia.
- Department of Pathophysiology, Institute of Biomedicine and Translational Medicine, Faculty of Medicine, Tartu University, Tartu, Estonia.
- Division of Clinical Medicine, School of Medicine & Population Health, University of Sheffield, Sheffield, UK.
| | - Kasun Godakumara
- Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Tartu, Estonia
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8
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Chen K, Mao M, Huo L, Wang G, Pu Z, Zhang Y. Flexible DNA Nanoclaws Offer Multivalent and Powerful Spatial Pattern-Recognition for Tumor Cells. ACS APPLIED MATERIALS & INTERFACES 2024; 16:29760-29769. [PMID: 38813974 DOI: 10.1021/acsami.4c03382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
Multivalent receptor-ligand interactions (RLIs) exhibit excellent affinity for binding when targeting cell membrane receptors with low expression. However, existing strategies only allow for limited control of the valency and spacing of ligands for a certain receptor, lacking recognition patterns for multiple interested receptors with complex spatial distributions. Here, we developed flexible DNA nanoclaws with multivalent aptamers to achieve powerful cell recognition by controlling the spacing of aptamers to match the spatial patterns of receptors. The DNA nanoclaw with spacing-controllable binding sites was constructed via hybrid chain reaction (HCR), enabling dual targeting of HER2 and EpCAM molecules. The results demonstrate that the binding affinity of multivalent DNA nanoclaws to tumor cells is enhanced. We speculate that the flexible structure may conform better to irregularly shaped membrane surfaces, increasing the probability of intermolecular contact. The capture efficiency of circulating tumor cells successfully verified the high affinity and selectivity of this spatial pattern. This strategy will further promote the potential application of DNA frameworks in future disease diagnosis and treatment.
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Affiliation(s)
- Kang Chen
- Department of Laboratory Medicine, Zhongshan City People's Hospital, 528403 Zhongshan, Guangdong, China
| | - Miao Mao
- School of Pharmaceutical Sciences, Sun Yat-Sen University, 510006 Guangzhou, Guangdong, China
| | - Lian Huo
- School of Pharmaceutical Sciences, Sun Yat-Sen University, 510006 Guangzhou, Guangdong, China
| | - Guanzhao Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, 510006 Guangzhou, Guangdong, China
| | - Zhe Pu
- School of Pharmaceutical Sciences, Sun Yat-Sen University, 510006 Guangzhou, Guangdong, China
| | - Yuanqing Zhang
- Department of Laboratory Medicine, Zhongshan City People's Hospital, 528403 Zhongshan, Guangdong, China
- School of Pharmaceutical Sciences, Sun Yat-Sen University, 510006 Guangzhou, Guangdong, China
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Mokhonova EI, Malik R, Mamsa H, Walker J, Gibbs EM, Crosbie RH. The Development of Robust Antibodies to Sarcospan, a Dystrophin- and Integrin-Associated Protein, for Basic and Translational Research. Int J Mol Sci 2024; 25:6121. [PMID: 38892308 PMCID: PMC11173052 DOI: 10.3390/ijms25116121] [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: 04/13/2024] [Revised: 05/25/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
Sarcospan (SSPN) is a 25-kDa transmembrane protein that is broadly expressed at the cell surface of many tissues, including, but not limited to, the myofibers from skeletal and smooth muscles, cardiomyocytes, adipocytes, kidney epithelial cells, and neurons. SSPN is a core component of the dystrophin-glycoprotein complex (DGC) that links the intracellular actin cytoskeleton with the extracellular matrix. It is also associated with integrin α7β1, the predominant integrin expressed in skeletal muscle. As a tetraspanin-like protein with four transmembrane spanning domains, SSPN functions as a scaffold to facilitate protein-protein interactions at the cell membrane. Duchenne muscular dystrophy, Becker muscular dystrophy, and X-linked dilated cardiomyopathy are caused by the loss of dystrophin at the muscle cell surface and a concomitant loss of the entire DGC, including SSPN. SSPN overexpression ameliorates Duchenne muscular dystrophy in the mdx murine model, which supports SSPN being a viable therapeutic target. Other rescue studies support SSPN as a biomarker for the proper assembly and membrane expression of the DGC. Highly specific and robust antibodies to SSPN are needed for basic research on the molecular mechanisms of SSPN rescue, pre-clinical studies, and biomarker evaluations in human samples. The development of SSPN antibodies is challenged by the presence of its four transmembrane domains and limited antigenic epitopes. To address the significant barrier presented by limited commercially available antibodies, we aimed to generate a panel of robust SSPN-specific antibodies that can serve as a resource for the research community. We created antibodies to three SSPN protein epitopes, including the intracellular N- and C-termini as well as the large extracellular loop (LEL) between transmembrane domains 3 and 4. We developed a panel of rabbit antibodies (poly- and monoclonal) against an N-terminal peptide fragment of SSPN. We used several assays to show that the rabbit antibodies recognize mouse SSPN with a high functional affinity and specificity. We developed mouse monoclonal antibodies against the C-terminal peptide and the large extracellular loop of human SSPN. These antibodies are superior to commercially available antibodies and outperform them in various applications, including immunoblotting, indirect immunofluorescence analysis, immunoprecipitation, and an ELISA. These newly developed antibodies will significantly improve the quality and ease of SSPN detection for basic and translational research.
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Affiliation(s)
- Ekaterina I. Mokhonova
- Department of Integrative Biology and Physiology, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Ravinder Malik
- Department of Integrative Biology and Physiology, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Hafsa Mamsa
- Department of Integrative Biology and Physiology, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Jackson Walker
- Department of Integrative Biology and Physiology, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Elizabeth M. Gibbs
- Department of Integrative Biology and Physiology, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Rachelle H. Crosbie
- Department of Integrative Biology and Physiology, University of California Los Angeles, Los Angeles, CA 90095, USA
- Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California Los Angeles, Los Angeles, CA 90095, USA
- Molecular Biology Institute, University of California Los Angeles, Los Angeles, CA 90095, USA
- Department of Neurology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 90095, USA
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10
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Sirivolu S, Peng CC, Neviani P, Xu BY, Berry JL, Xu L. Comparative Single Vesicle Analysis of Aqueous Humor Extracellular Vesicles before and after Radiation in Uveal Melanoma Eyes. Int J Mol Sci 2024; 25:6035. [PMID: 38892225 PMCID: PMC11172950 DOI: 10.3390/ijms25116035] [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: 04/10/2024] [Revised: 05/26/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024] Open
Abstract
Small extracellular vesicles (sEVs) have been shown to promote tumorigenesis, treatment resistance, and metastasis in multiple cancer types; however, sEVs in the aqueous humor (AH) of uveal melanoma (UM) patients have never previously been profiled. In this study, we used single particle analysis to characterize sEV subpopulations in the AH of UM patients by quantifying their size, concentration, and phenotypes based on cell surface markers, specifically the tetraspanin co-expression patterns of CD9, CD63, and CD81. sEVs were analyzed from paired pre- and post-treatment (brachytherapy, a form of radiation) AH samples collected from 19 UM patients. In post-brachytherapy samples, two subpopulations, CD63/81+ and CD9/63/81+ sEVs, were significantly increased. These trends existed even when stratified by tumor location and GEP class 1 and class 2 (albeit not significant for GEP class 2). In this initial report of single vesicle profiling of sEVs in the AH of UM patients, we demonstrated that sEVs can be detected in the AH. We further identified two subpopulations that were increased post-brachytherapy, which may suggest radiation-induced release of these particles, potentially from tumor cells. Further study of the cargo carried by these sEV subpopulations may uncover important biomarkers and insights into tumorigenesis for UM.
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Affiliation(s)
- Shreya Sirivolu
- The Vision Center at Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA; (S.S.); (C.-C.P.)
- USC Roski Eye Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Chen-Ching Peng
- The Vision Center at Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA; (S.S.); (C.-C.P.)
- USC Roski Eye Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Paolo Neviani
- Extracellular Vesicle Core, Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA
| | - Benjamin Y. Xu
- USC Roski Eye Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Jesse L. Berry
- The Vision Center at Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA; (S.S.); (C.-C.P.)
- USC Roski Eye Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
- The Saban Research Institute, Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA
- Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Liya Xu
- The Vision Center at Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA; (S.S.); (C.-C.P.)
- USC Roski Eye Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
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11
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Xu K, Gao H, Li Y, Jin Y, Zhao R, Huang Y. Synthetic Peptides with Genetic-Codon-Tailored Affinity for Assembling Tetraspanin CD81 at Cell Interfaces and Inhibiting Cancer Metastasis. Angew Chem Int Ed Engl 2024; 63:e202400129. [PMID: 38409630 DOI: 10.1002/anie.202400129] [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: 01/02/2024] [Revised: 02/20/2024] [Accepted: 02/26/2024] [Indexed: 02/28/2024]
Abstract
Probing biomolecular interactions at cellular interfaces is crucial for understanding and interfering with life processes. Although affinity binders with site specificity for membrane proteins are unparalleled molecular tools, a high demand remains for novel multi-functional ligands. In this study, a synthetic peptide (APQQ) with tight and specific binding to the untargeted extracellular loop of CD81 evolved from a genetically encoded peptide pool. With tailored affinity, APQQ flexibly accesses, site-specifically binds, and forms a complex with CD81, enabling in-situ tracking of the dynamics and activity of this protein in living cells, which has rarely been explored because of the lack of ligands. Furthermore, APQQ triggers the relocalization of CD81 from diffuse to densely clustered at cell junctions and modulates the interplay of membrane proteins at cellular interfaces. Motivated by these, efficient suppression of cancer cell migration, and inhibition of breast cancer metastasis were achieved in vivo.
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Affiliation(s)
- Kun Xu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Han Gao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yongming Li
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yulong Jin
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Rui Zhao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yanyan Huang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
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12
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Chen J, Ding Y, Jiang C, Qu R, Wren JD, Georgescu C, Wang X, Reuter DN, Liu B, Giles CB, Mayr CH, Schiller HB, Dai J, Stipp CS, Subramaniyan B, Wang J, Zuo H, Huang C, Fung KM, Rice HC, Sonnenberg A, Wu D, Walters MS, Zhao YY, Kanie T, Hays FA, Papin JF, Wang DW, Zhang XA. CD151 Maintains Endolysosomal Protein Quality to Inhibit Vascular Inflammation. Circ Res 2024; 134:1330-1347. [PMID: 38557119 PMCID: PMC11081830 DOI: 10.1161/circresaha.123.323190] [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: 12/06/2023] [Accepted: 03/19/2024] [Indexed: 04/04/2024]
Abstract
BACKGROUND Tetraspanin CD151 is highly expressed in endothelia and reinforces cell adhesion, but its role in vascular inflammation remains largely unknown. METHODS In vitro molecular and cellular biological analyses on genetically modified endothelial cells, in vivo vascular biological analyses on genetically engineered mouse models, and in silico systems biology and bioinformatics analyses on CD151-related events. RESULTS Endothelial ablation of Cd151 leads to pulmonary and cardiac inflammation, severe sepsis, and perilous COVID-19, and endothelial CD151 becomes downregulated in inflammation. Mechanistically, CD151 restrains endothelial release of proinflammatory molecules for less leukocyte infiltration. At the subcellular level, CD151 determines the integrity of multivesicular bodies/lysosomes and confines the production of exosomes that carry cytokines such as ANGPT2 (angiopoietin-2) and proteases such as cathepsin-D. At the molecular level, CD151 docks VCP (valosin-containing protein)/p97, which controls protein quality via mediating deubiquitination for proteolytic degradation, onto endolysosomes to facilitate VCP/p97 function. At the endolysosome membrane, CD151 links VCP/p97 to (1) IFITM3 (interferon-induced transmembrane protein 3), which regulates multivesicular body functions, to restrain IFITM3-mediated exosomal sorting, and (2) V-ATPase, which dictates endolysosome pH, to support functional assembly of V-ATPase. CONCLUSIONS Distinct from its canonical function in strengthening cell adhesion at cell surface, CD151 maintains endolysosome function by sustaining VCP/p97-mediated protein unfolding and turnover. By supporting protein quality control and protein degradation, CD151 prevents proteins from (1) buildup in endolysosomes and (2) discharge through exosomes, to limit vascular inflammation. Also, our study conceptualizes that balance between degradation and discharge of proteins in endothelial cells determines vascular information. Thus, the IFITM3/V-ATPase-tetraspanin-VCP/p97 complexes on endolysosome, as a protein quality control and inflammation-inhibitory machinery, could be beneficial for therapeutic intervention against vascular inflammation.
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Affiliation(s)
- Junxiong Chen
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Yingjun Ding
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Chao Jiang
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Rongmei Qu
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | | | | | - Xuejun Wang
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | | | - Beibei Liu
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Cory B. Giles
- Oklahoma Medical Research Foundation, Oklahoma City, USA
| | | | | | - Jingxing Dai
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | | | | | - Jie Wang
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Houjuan Zuo
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Chao Huang
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Kar-Ming Fung
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Heather C. Rice
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | | | - David Wu
- University of Chicago, Chicago, IL, USA
| | | | - You-Yang Zhao
- Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, Illinois
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Tomoharu Kanie
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Franklin A. Hays
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - James F. Papin
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Dao Wen Wang
- Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Xin A. Zhang
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
- Lead contact
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13
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Cappe B, Vandenabeele P, Riquet FB. A guide to the expanding field of extracellular vesicles and their release in regulated cell death programs. FEBS J 2024; 291:2068-2090. [PMID: 37872002 DOI: 10.1111/febs.16981] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 09/26/2023] [Accepted: 10/17/2023] [Indexed: 10/25/2023]
Abstract
Homeostasis disruption is visible at the molecular and cellular levels and may often lead to cell death. This vital process allows us to maintain the more extensive system's integrity by keeping the different features (genetic, metabolic, physiologic, and individual) intact. Interestingly, while cells can die in different manners, dying cells still communicate with their environment. This communication was, for a long time, perceived as only driven by the release of soluble factors. However, it has now been reconsidered with the increasing interest in extracellular vesicles (EVs), which are discovered to be released during different regulated cell death programs, with the observation of specific effects. EVs are game changers in the paradigm of cell-cell communication with tremendous implications in fundamental research with regard to noncell autonomous functions, as well as in biomarkers research, all of which are geared toward diagnostic and therapeutic purposes. This review is composed of two main parts. The first is a comprehensive presentation of the state of the art of the EV field at large. In the second part, we focus on EVs discovered to be released during different regulated cell death programs, also known as cell death EVs (cdEVs), and EV-associated specific effects on recipient cells in the context of cell death and inflammation/inflammatory responses.
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Affiliation(s)
- Benjamin Cappe
- Molecular Signaling and Cell Death Unit, VIB-UGent Center for Inflammation Research (IRC), Belgium
- Department of Biomedical Molecular Biology, Ghent University, Belgium
| | - Peter Vandenabeele
- Molecular Signaling and Cell Death Unit, VIB-UGent Center for Inflammation Research (IRC), Belgium
- Department of Biomedical Molecular Biology, Ghent University, Belgium
| | - Franck B Riquet
- Molecular Signaling and Cell Death Unit, VIB-UGent Center for Inflammation Research (IRC), Belgium
- Department of Biomedical Molecular Biology, Ghent University, Belgium
- University of Lille, CNRS, UMR 8523 - PhLAM - Physique des Lasers Atomes et Molécules, France
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14
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Meng L, Zhang C, Yu P. Treating cancer through modulating exosomal protein loading and function: The prospects of natural products and traditional Chinese medicine. Pharmacol Res 2024; 203:107179. [PMID: 38615876 DOI: 10.1016/j.phrs.2024.107179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/22/2024] [Accepted: 04/05/2024] [Indexed: 04/16/2024]
Abstract
Exosomes, small yet vital extracellular vesicles, play an integral role in intercellular communication. They transport critical components, such as proteins, lipid bilayers, DNA, RNA, and glycans, to target cells. These vesicles are crucial in modulating the extracellular matrix and orchestrating signal transduction processes. In oncology, exosomes are pivotal in tumor growth, metastasis, drug resistance, and immune modulation within the tumor microenvironment. Exosomal proteins, noted for their stability and specificity, have garnered widespread attention. This review delves into the mechanisms of exosomal protein loading and their impact on tumor development, with a focus on the regulatory effects of natural products and traditional Chinese medicine on exosomal protein loading and function. These insights not only offer new strategies and methodologies for cancer treatment but also provide scientific bases and directions for future clinical applications.
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Affiliation(s)
- Lulu Meng
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Chao Zhang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China.
| | - Pei Yu
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China.
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15
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von Lersner A, Fernandes F, Ozawa PM, Jackson M, Masureel M, Ho H, Lima SM, Vagner T, Sung BH, Wehbe M, Franze K, Pua H, Wilson JT, Irish JM, Weaver AM, Di Vizio D, Zijlstra A. Multiparametric Single-Vesicle Flow Cytometry Resolves Extracellular Vesicle Heterogeneity and Reveals Selective Regulation of Biogenesis and Cargo Distribution. ACS NANO 2024; 18:10464-10484. [PMID: 38578701 PMCID: PMC11025123 DOI: 10.1021/acsnano.3c11561] [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: 11/20/2023] [Revised: 03/19/2024] [Accepted: 03/27/2024] [Indexed: 04/07/2024]
Abstract
Mammalian cells release a heterogeneous array of extracellular vesicles (EVs) that contribute to intercellular communication by means of the cargo that they carry. To resolve EV heterogeneity and determine if cargo is partitioned into select EV populations, we developed a method named "EV Fingerprinting" that discerns distinct vesicle populations using dimensional reduction of multiparametric data collected by quantitative single-EV flow cytometry. EV populations were found to be discernible by a combination of membrane order and EV size, both of which were obtained through multiparametric analysis of fluorescent features from the lipophilic dye Di-8-ANEPPS incorporated into the lipid bilayer. Molecular perturbation of EV secretion and biogenesis through respective ablation of the small GTPase Rab27a and overexpression of the EV-associated tetraspanin CD63 revealed distinct and selective alterations in EV populations, as well as cargo distribution. While Rab27a disproportionately affects all small EV populations with high membrane order, the overexpression of CD63 selectively increased the production of one small EV population of intermediate membrane order. Multiplexing experiments subsequently revealed that EV cargos have a distinct, nonrandom distribution with CD63 and CD81 selectively partitioning into smaller vs larger EVs, respectively. These studies not only present a method to probe EV biogenesis but also reveal how the selective partitioning of cargo contributes to EV heterogeneity.
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Affiliation(s)
- Ariana
K. von Lersner
- Program in
Cancer Biology, Vanderbilt University, Nashville, Tennessee 37232, United
States
| | - Fabiane Fernandes
- Department
of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- Institute
of Applied Biosciences and Chemistry, Hogeschool
Arnhem en Nijmegen University of Applied Sciences, Nijmegen 6525 EM, Gelderland, Netherlands
| | - Patricia Midori
Murobushi Ozawa
- The
Center
for EV Research, Vanderbilt University, Nashville, Tennessee 37232, United States
- Department
of Cell and Developmental Biology, Vanderbilt
University School of Medicine, Nashville, Tennessee 37232, United States
| | - Marques Jackson
- Department
of Research Pathology, Genentech, San Francisco, California 94080, United States
| | - Matthieu Masureel
- Department
of Structural Biology, Genentech, San Francisco, California 94080, United States
| | - Hoangdung Ho
- Department
of Structural Biology, Genentech, San Francisco, California 94080, United States
| | - Sierra M. Lima
- Department
of Cell and Developmental Biology, Vanderbilt
University School of Medicine, Nashville, Tennessee 37232, United States
| | - Tatyana Vagner
- Department
of Surgery, Cedars-Sinai Medical Center, Los Angeles, California 90048, United States
| | - Bong Hwan Sung
- The
Center
for EV Research, Vanderbilt University, Nashville, Tennessee 37232, United States
- Department
of Cell and Developmental Biology, Vanderbilt
University School of Medicine, Nashville, Tennessee 37232, United States
| | - Mohamed Wehbe
- Department
of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, Tennessee 37232, United States
| | - Kai Franze
- Department
of Research Pathology, Genentech, San Francisco, California 94080, United States
- KNIME
GmbH, Konstanz 78467, Germany
| | - Heather Pua
- Department
of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- The
Center
for EV Research, Vanderbilt University, Nashville, Tennessee 37232, United States
| | - John T. Wilson
- Program in
Cancer Biology, Vanderbilt University, Nashville, Tennessee 37232, United
States
- Department
of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- The
Center
for EV Research, Vanderbilt University, Nashville, Tennessee 37232, United States
- Department
of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, Tennessee 37232, United States
| | - Jonathan M. Irish
- Program in
Cancer Biology, Vanderbilt University, Nashville, Tennessee 37232, United
States
- Department
of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- Department
of Cell and Developmental Biology, Vanderbilt
University School of Medicine, Nashville, Tennessee 37232, United States
| | - Alissa M. Weaver
- Program in
Cancer Biology, Vanderbilt University, Nashville, Tennessee 37232, United
States
- Department
of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- The
Center
for EV Research, Vanderbilt University, Nashville, Tennessee 37232, United States
- Department
of Cell and Developmental Biology, Vanderbilt
University School of Medicine, Nashville, Tennessee 37232, United States
| | - Dolores Di Vizio
- Department
of Surgery, Cedars-Sinai Medical Center, Los Angeles, California 90048, United States
| | - Andries Zijlstra
- Program in
Cancer Biology, Vanderbilt University, Nashville, Tennessee 37232, United
States
- Department
of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- The
Center
for EV Research, Vanderbilt University, Nashville, Tennessee 37232, United States
- Department
of Research Pathology, Genentech, San Francisco, California 94080, United States
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16
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Fougère L, Mongrand S, Boutté Y. The function of sphingolipids in membrane trafficking and cell signaling in plants, in comparison with yeast and animal cells. Biochim Biophys Acta Mol Cell Biol Lipids 2024; 1869:159463. [PMID: 38281556 DOI: 10.1016/j.bbalip.2024.159463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 12/04/2023] [Accepted: 01/23/2024] [Indexed: 01/30/2024]
Abstract
Sphingolipids are essential membrane components involved in a wide range of cellular, developmental and signaling processes. Sphingolipids are so essential that knock-out mutation often leads to lethality. In recent years, conditional or weak allele mutants as well as the broadening of the pharmacological catalog allowed to decipher sphingolipid function more precisely in a less invasive way. This review intends to provide a discussion and point of view on the function of sphingolipids with a main focus on endomembrane trafficking, Golgi-mediated protein sorting, cell polarity, cell-to-cell communication and cell signaling at the plasma membrane. While our main angle is the plant field research, we will constantly refer to and compare with the advances made in the yeast and animal field. In this review, we will emphasize the role of sphingolipids not only as a membrane component, but also as a key player at a center of homeostatic regulatory networks involving direct or indirect interaction with other lipids, proteins and ion fluxes.
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Affiliation(s)
- Louise Fougère
- Laboratoire de Biogenèse Membranaire, Univ. Bordeaux, UMR 5200 CNRS, Villenave d'Ornon, France
| | - Sebastien Mongrand
- Laboratoire de Biogenèse Membranaire, Univ. Bordeaux, UMR 5200 CNRS, Villenave d'Ornon, France
| | - Yohann Boutté
- Laboratoire de Biogenèse Membranaire, Univ. Bordeaux, UMR 5200 CNRS, Villenave d'Ornon, France.
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17
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Creeden JF, Sevier J, Zhang JT, Lapitsky Y, Brunicardi FC, Jin G, Nemunaitis J, Liu JY, Kalinoski A, Rao D, Liu SH. Smart exosomes enhance PDAC targeted therapy. J Control Release 2024; 368:413-429. [PMID: 38431093 DOI: 10.1016/j.jconrel.2024.02.037] [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: 11/02/2023] [Revised: 02/21/2024] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
Exosomes continue to attract interest as a promising nanocarrier drug delivery technology. They are naturally derived nanoscale extracellular vesicles with innate properties well suited to shuttle proteins, lipids, and nucleic acids between cells. Nonetheless, their clinical utility is currently limited by several major challenges, such as their inability to target tumor cells and a high proportion of clearance by the mononuclear phagocyte system (MPS) of the liver and spleen. To overcome these limitations, we developed "Smart Exosomes" that co-display RGD and CD47p110-130 through CD9 engineering (ExoSmart). The resultant ExoSmart demonstrates enhanced binding capacity to αvβ3 on pancreatic ductal adenocarcinoma (PDAC) cells, resulting in amplified cellular uptake in in vitro and in vivo models and increased chemotherapeutic efficacies. Simultaneously, ExoSmart significantly reduced liver and spleen clearance of exosomes by inhibiting macrophage phagocytosis via CD47p110-130 interaction with signal regulatory proteins (SIRPα) on macrophages. These studies demonstrate that an engineered exosome drug delivery system increases PDAC therapeutic efficacy by enhancing active PDAC targeting and prolonging circulation times, and their findings hold tremendous translational potential for cancer therapy while providing a concrete foundation for future work utilizing novel peptide-engineered exosome strategies.
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Affiliation(s)
- Justin F Creeden
- Department of Cell and Cancer Biology, University of Toledo, Toledo, OH, USA
| | - Jonathan Sevier
- Department of Cell and Cancer Biology, University of Toledo, Toledo, OH, USA
| | - Jian-Ting Zhang
- Department of Cell and Cancer Biology, University of Toledo, Toledo, OH, USA
| | - Yakov Lapitsky
- Department of Chemical Engineering, University of Toledo, Toledo, OH, USA
| | - F Charles Brunicardi
- Department of Surgery, SUNY Downstate Health Sciences University, Brooklyn, NY, USA
| | - Ge Jin
- Department of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | | | - Jing-Yuan Liu
- Department of Medicine, University of Toledo, Toledo, OH, USA
| | | | | | - Shi-He Liu
- Department of Cell and Cancer Biology, University of Toledo, Toledo, OH, USA.
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18
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Lee YJ, Shin KJ, Chae YC. Regulation of cargo selection in exosome biogenesis and its biomedical applications in cancer. Exp Mol Med 2024; 56:877-889. [PMID: 38580812 PMCID: PMC11059157 DOI: 10.1038/s12276-024-01209-y] [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: 10/05/2023] [Revised: 01/22/2024] [Accepted: 01/29/2024] [Indexed: 04/07/2024] Open
Abstract
Extracellular vesicles (EVs), including exosomes, are increasingly recognized as potent mediators of intercellular communication due to their capacity to transport a diverse array of bioactive molecules. They assume vital roles in a wide range of physiological and pathological processes and hold significant promise as emerging disease biomarkers, therapeutic agents, and carriers for drug delivery. Exosomes encompass specific groups of membrane proteins, lipids, nucleic acids, cytosolic proteins, and other signaling molecules within their interior. These cargo molecules dictate targeting specificity and functional roles upon reaching recipient cells. Despite our growing understanding of the significance of exosomes in diverse biological processes, the molecular mechanisms governing the selective sorting and packaging of cargo within exosomes have not been fully elucidated. In this review, we summarize current insights into the molecular mechanisms that regulate the sorting of various molecules into exosomes, the resulting biological functions, and potential clinical applications, with a particular emphasis on their relevance in cancer and other diseases. A comprehensive understanding of the loading processes and mechanisms involved in exosome cargo sorting is essential for uncovering the physiological and pathological roles of exosomes, identifying therapeutic targets, and advancing the clinical development of exosome-based therapeutics.
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Affiliation(s)
- Yu Jin Lee
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea.
- National Creative Research Center for Cell Plasticity, KAIST Stem Cell Center, Department of Biological Sciences, KAIST, Daejeon, 34141, Republic of Korea.
| | - Kyeong Jin Shin
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Young Chan Chae
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea.
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19
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Xu S, Yang TJ, Xu S, Gong YN. Plasma membrane repair empowers the necrotic survivors as innate immune modulators. Semin Cell Dev Biol 2024; 156:93-106. [PMID: 37648621 PMCID: PMC10872800 DOI: 10.1016/j.semcdb.2023.08.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 08/20/2023] [Accepted: 08/20/2023] [Indexed: 09/01/2023]
Abstract
The plasma membrane is crucial to the survival of animal cells, and damage to it can be lethal, often resulting in necrosis. However, cells possess multiple mechanisms for repairing the membrane, which allows them to maintain their integrity to some extent, and sometimes even survive. Interestingly, cells that survive a near-necrosis experience can recognize sub-lethal membrane damage and use it as a signal to secrete chemokines and cytokines, which activate the immune response. This review will present evidence of necrotic cell survival in both in vitro and in vivo systems, including in C. elegans, mouse models, and humans. We will also summarize the various membrane repair mechanisms cells use to maintain membrane integrity. Finally, we will propose a mathematical model to illustrate how near-death experiences can transform dying cells into innate immune modulators for their microenvironment. By utilizing their membrane repair activity, the biological effects of cell death can extend beyond the mere elimination of the cells.
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Affiliation(s)
- Shiqi Xu
- Center for Stem Cell and Regenerative Medicine and Department of Burn and Wound Repair of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, China; International Biomedicine-X Research Center of the Second Affiliated Hospital, Zhejiang University School of Medicine and the Zhejiang University-University of Edinburgh Institute, 718 East Haizhou Rd., Haining, Zhejiang 314400, China
| | - Tyler J Yang
- Departments of Biology and Advanced Placement Biology, White Station High School, Memphis, TN 38117, USA
| | - Suhong Xu
- Center for Stem Cell and Regenerative Medicine and Department of Burn and Wound Repair of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, China; International Biomedicine-X Research Center of the Second Affiliated Hospital, Zhejiang University School of Medicine and the Zhejiang University-University of Edinburgh Institute, 718 East Haizhou Rd., Haining, Zhejiang 314400, China.
| | - Yi-Nan Gong
- Tumor Microenvironment Center, UPMC Hillman Cancer Center, Pittsburgh, PA 15232, USA; Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA; Cancer Immunology and Immunotherapy Program, UPMC Hillman Cancer Center, 5115 Center Avenue, Pittsburgh, PA 15213, USA.
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20
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Querol Cano L, Dunlock VME, Schwerdtfeger F, van Spriel AB. Membrane organization by tetraspanins and galectins shapes lymphocyte function. Nat Rev Immunol 2024; 24:193-212. [PMID: 37758850 DOI: 10.1038/s41577-023-00935-0] [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: 08/15/2023] [Indexed: 09/29/2023]
Abstract
Immune receptors are not randomly distributed at the plasma membrane of lymphocytes but are segregated into specialized domains that function as platforms to initiate signalling, as exemplified by the B cell or T cell receptor complex and the immunological synapse. 'Membrane-organizing proteins' and, in particular, tetraspanins and galectins, are crucial for controlling the spatiotemporal organization of immune receptors and other signalling proteins. Deficiencies in specific tetraspanins and galectins result in impaired immune synapse formation, lymphocyte proliferation, antibody production and migration, which can lead to impaired immunity, tumour development and autoimmunity. In contrast to conventional ligand-receptor interactions, membrane organizers interact in cis (on the same cell) and modulate receptor clustering, receptor dynamics and intracellular signalling. New findings have uncovered their complex and dynamic nature, revealing shared binding partners and collaborative activity in determining the composition of membrane domains. Therefore, immune receptors should not be envisaged as independent entities and instead should be studied in the context of their spatial organization in the lymphocyte membrane. We advocate for a novel approach to study lymphocyte function by globally analysing the role of membrane organizers in the assembly of different membrane complexes and discuss opportunities to develop therapeutic approaches that act via the modulation of membrane organization.
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Affiliation(s)
- Laia Querol Cano
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Vera-Marie E Dunlock
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Fabian Schwerdtfeger
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Annemiek B van Spriel
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, The Netherlands.
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21
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Liu Y, Bai Y, Chen S, Pu F, Li Y, Chi H, Zheng Z, Xu P, Zhou T. Molecular characterization, expression pattern and immunologic function of CD82a in large yellow croaker ( Larimichthys crocea). Front Immunol 2024; 15:1301877. [PMID: 38370405 PMCID: PMC10869527 DOI: 10.3389/fimmu.2024.1301877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 01/17/2024] [Indexed: 02/20/2024] Open
Abstract
Visceral white spot disease (VWND) caused by Pseudomonas plecoglossicida poses a major threat to the sustainable development of large yellow croaker (Larimichthys crocea) aquaculture. Genome-wide association analysis (GWAS) and RNA-seq research indicated that LcCD82a play an important role in resistance to visceral white spot disease in L. crocea, but the molecular mechanism of LcCD82a response to P. plecoglossicida infection is still unclear. In this study, we cloned and validated the Open Reading Frame (ORF) sequence of LcCD82a and explored the expression profile of LcCD82a in various tissues of L.crocea. In addition, two different transcript variants (LcCD82a-L and LcCD82a-S) of LcCD82a were identified that exhibit alternative splicing patterns after P. plecoglossicida infection, which may be closely related to the immune regulation during pathogenetic process of VWND. In order to explore the function of LcCD82a, we purified the recombinant protein of LcCD82a-L and LcCD82a-S. The bacterial agglutination and apoptosis function analysis showed that LcCD82a may involve in extracellular bacterial recognition, agglutination, and at the same time participate in the process of antigen presentation and induction of cell apoptosis. Collectively, our studies demonstrate that LcCD82a plays a crucial role in regulating apoptosis and antimicrobial immunity.
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Affiliation(s)
- Yue Liu
- State Key Laboratory of Mariculture Breeding, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Yulin Bai
- State Key Laboratory of Mariculture Breeding, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Sijing Chen
- State Key Laboratory of Mariculture Breeding, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Fei Pu
- State Key Laboratory of Mariculture Breeding, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Yaxian Li
- State Key Laboratory of Mariculture Breeding, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Hongshu Chi
- Biotechnology Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian, China
| | - Zaiyu Zheng
- Biotechnology Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian, China
| | - Peng Xu
- State Key Laboratory of Mariculture Breeding, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
- Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Tao Zhou
- State Key Laboratory of Mariculture Breeding, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
- Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
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22
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Park S, Heo JS, Mizuno S, Kim M, An H, Hong E, Kang MG, Kim J, Yun R, Park H, Noh EH, Lee MJ, Yoon K, Kim P, Son M, Pang K, Lee J, Park J, Ooshima A, Kim TJ, Park JY, Yang KM, Myung SJ, Bae H, Lee KM, Letterio J, Park SH, Takahashi S, Kim SJ. Tm4sf19 deficiency inhibits osteoclast multinucleation and prevents bone loss. Metabolism 2024; 151:155746. [PMID: 38016540 DOI: 10.1016/j.metabol.2023.155746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 11/30/2023]
Abstract
BACKGROUND Multinucleation is a hallmark of osteoclast formation and has a unique ability to resorb bone matrix. During osteoclast differentiation, the cytoskeleton reorganization results in the generation of actin belts and eventual bone resorption. Tetraspanins are involved in adhesion, migration and fusion in various cells. However, its function in osteoclast is still unclear. In this study, we identified Tm4sf19, a member of the tetraspanin family, as a regulator of osteoclast function. MATERIALS AND METHODS We investigate the effect of Tm4sf19 deficiency on osteoclast differentiation using bone marrow-derived macrophages obtained from wild type (WT), Tm4sf19 knockout (KO) and Tm4sf19 LELΔ mice lacking the large extracellular loop (LEL). We analyzed bone mass of young and aged WT, KO and LELΔ mice by μCT analysis. The effects of Tm4sf19 LEL-Fc fusion protein were accessed in osteoclast differentiation and osteoporosis animal model. RESULTS We found that deficiency of Tm4sf19 inhibited osteoclast function and LEL of Tm4sf19 was responsible for its function in osteoclasts in vitro. KO and LELΔ mice exhibited higher trabecular bone mass compared to WT mice. We found that Tm4sf19 interacts with integrin αvβ3 through LEL, and that this binding is important for cytoskeletal rearrangements in osteoclast by regulating signaling downstream of integrin αvβ3. Treatment with LEL-Fc fusion protein inhibited osteoclast function in vitro and administration of LEL-Fc prevented bone loss in an osteoporosis mouse model in vivo. CONCLUSION We suggest that Tm4sf19 regulates osteoclast function and that LEL-Fc may be a promising drug to target bone destructive diseases caused by osteoclast hyper-differentiation.
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Affiliation(s)
- Sujin Park
- GILO Institute, GILO Foundation, Seoul, Republic of Korea
| | - Jin Sun Heo
- GILO Institute, GILO Foundation, Seoul, Republic of Korea
| | - Seiya Mizuno
- Laboratory Animal Resource Center in Transborder Medical Research Center, Institute of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Minwoo Kim
- Medpacto Inc., Seoul, Republic of Korea; Department of Biochemistry, College of Life Science & Biotechnology, Yonsei University, Seoul, Republic of Korea
| | - Haein An
- GILO Institute, GILO Foundation, Seoul, Republic of Korea; Department of Biological Sciences, Sungkyunkwan University, Suwon, Republic of Korea
| | - Eunji Hong
- GILO Institute, GILO Foundation, Seoul, Republic of Korea; Department of Biological Sciences, Sungkyunkwan University, Suwon, Republic of Korea
| | - Min Gi Kang
- GILO Institute, GILO Foundation, Seoul, Republic of Korea; Department of Biological Sciences, Sungkyunkwan University, Suwon, Republic of Korea
| | - Junil Kim
- School of Systems Biomedical Science, Soongsil University, Seoul, Republic of Korea
| | - Rebecca Yun
- GILO Institute, GILO Foundation, Seoul, Republic of Korea; Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyeyeon Park
- GILO Institute, GILO Foundation, Seoul, Republic of Korea; Department of Biological Sciences, Sungkyunkwan University, Suwon, Republic of Korea
| | | | | | | | - Pyunggang Kim
- GILO Institute, GILO Foundation, Seoul, Republic of Korea
| | - Minjung Son
- GILO Institute, GILO Foundation, Seoul, Republic of Korea; Department of Biological Sciences, Sungkyunkwan University, Suwon, Republic of Korea
| | - Kyoungwha Pang
- GILO Institute, GILO Foundation, Seoul, Republic of Korea
| | - Jihee Lee
- GILO Institute, GILO Foundation, Seoul, Republic of Korea
| | - Jinah Park
- GILO Institute, GILO Foundation, Seoul, Republic of Korea; Amoris Bio Inc., Seoul, Republic of Korea
| | - Akira Ooshima
- GILO Institute, GILO Foundation, Seoul, Republic of Korea
| | - Tae-Jin Kim
- Division of Radiation Biomedical Research, Korea Institute of Radiological & Medical Sciences, Seoul, Republic of Korea
| | - Je Yeon Park
- GILO Institute, GILO Foundation, Seoul, Republic of Korea
| | | | - Seung-Jae Myung
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Hyun Bae
- Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Kyung-Mi Lee
- Department of Biochemistry and Molecular Biology, College of Medicine, Korea University, Seoul, Republic of Korea
| | - John Letterio
- Case Comprehensive Cancer Center, Case Western Reserve University and Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH, USA; The Angie Fowler Adolescent & Young Adult Cancer Institute, University Hospitals Rainbow Babies & Children's Hospital, Cleveland, OH, USA
| | - Seok Hee Park
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Republic of Korea
| | - Satoru Takahashi
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Seong-Jin Kim
- GILO Institute, GILO Foundation, Seoul, Republic of Korea; Medpacto Inc., Seoul, Republic of Korea.
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23
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Qin S, Li W, Zeng J, Huang Y, Cai Q. Rice tetraspanins express in specific domains of diverse tissues and regulate plant architecture and root growth. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 117:892-908. [PMID: 37955978 DOI: 10.1111/tpj.16536] [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: 05/05/2023] [Revised: 10/10/2023] [Accepted: 10/26/2023] [Indexed: 11/15/2023]
Abstract
Tetraspanins (TETs) are small transmembrane scaffold proteins that distribute proteins into highly organized microdomains, consisting of adaptors and signaling proteins, which play important roles in various biological events. In plants, understanding of tetraspanin is limited to the Arabidopsis TET genes' expression pattern and their function in leaf and root growth. Here, we comprehensively analyzed all rice tetraspanin (OsTET) family members, including their gene expression pattern, protein topology, and subcellular localization. We found that the core domain of OsTETs is conserved and shares a similar topology of four membrane-spanning domains with animal and plant TETs. OsTET genes are partially overlapping expressed in diverse tissue domains in vegetative and reproductive organs. OsTET proteins preferentially targeted the endoplasmic reticulum. Mutation analysis showed that OsTET5, OsTET6, OsTET9, and OsTET10 regulated plant height and tillering, and that OsTET13 controlled root growth in association with the jasmonic acid pathway. In summary, our work provides systematic new insights into the function of OsTETs in rice growth and development, and the data provides valuable resources for future research.
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Affiliation(s)
- Shanshan Qin
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
| | - Wei Li
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
| | - Jiayue Zeng
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
| | - Yifan Huang
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
| | - Qiang Cai
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China
- Hubei Hongshan Laboratory, Wuhan, 430072, China
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24
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Ma Y, Yao Y, Meng X, Fu H, Li J, Luan X, Liu M, Liu H, Gu W, Hou L, Meng Q. Hemolymph exosomes inhibit Spiroplasma eriocheiris infection by promoting Tetraspanin-mediated hemocyte phagocytosis in crab. FASEB J 2024; 38:e23433. [PMID: 38226893 DOI: 10.1096/fj.202302182r] [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: 10/25/2023] [Revised: 12/26/2023] [Accepted: 01/04/2024] [Indexed: 01/17/2024]
Abstract
Exosomes released from infected cells are thought to play an important role in the dissemination of pathogens, as well as in host-derived immune molecules during infection. As an intracellular pathogen, Spiroplasma eriocheiris is harmful to multiple crustaceans. However, the immune mechanism of exosomes during Spiroplasma infection has not been investigated. Here, we found exosomes derived from S. eriocheiris-infected crabs could facilitate phagocytosis and apoptosis of hemocytes, resulting in increased crab survival and suppression of Spiroplasma intracellular replication. Proteomic analysis revealed the altered abundance of EsTetraspanin may confer resistance to S. eriocheiris, possibly by mediating hemocyte phagocytosis in Eriocheir sinensis. Specifically, knockdown of EsTetraspanin in E. sinensis increased susceptibility to S. eriocheiris infection and displayed compromised phagocytic ability, whereas overexpression of EsTetraspanin in Drosophila S2 cells inhibited S. eriocheiris infection. Further, it was confirmed that intramuscular injection of recombinant LEL domain of EsTetraspanin reduced the mortality of S. eriocheiris-infected crabs. Blockade with anti-EsTetraspanin serum could exacerbate S. eriocheiris invasion of hemocytes and impair hemocyte phagocytic activity. Taken together, our findings prove for the first time that exosomes modulate phagocytosis to resist pathogenic infection in invertebrates, which is proposed to be mediated by exosomal Tetraspanin, supporting the development of preventative strategies against Spiroplasma infection.
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Affiliation(s)
- Yubo Ma
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
| | - Yu Yao
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
| | - Xiang Meng
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
| | - Hui Fu
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
| | - Jiaying Li
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
| | - Xiaoqi Luan
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
| | - Min Liu
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
| | - Hongli Liu
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
| | - Wei Gu
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
- Engineering Lab of Henan Province for Aquatic Animal Disease Control, College of Fisheries, Henan Normal University, Xinxiang, China
- Co-Innovation Center for Marine Bio-Industry Technology of Jiangsu Province, Lianyungang, Jiangsu, PR China
| | - Libo Hou
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
- Engineering Lab of Henan Province for Aquatic Animal Disease Control, College of Fisheries, Henan Normal University, Xinxiang, China
| | - Qingguo Meng
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
- Engineering Lab of Henan Province for Aquatic Animal Disease Control, College of Fisheries, Henan Normal University, Xinxiang, China
- Co-Innovation Center for Marine Bio-Industry Technology of Jiangsu Province, Lianyungang, Jiangsu, PR China
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25
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Yang J, Zhang Z, Lam JSW, Fan H, Fu NY. Molecular Regulation and Oncogenic Functions of TSPAN8. Cells 2024; 13:193. [PMID: 38275818 PMCID: PMC10814125 DOI: 10.3390/cells13020193] [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: 01/03/2024] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024] Open
Abstract
Tetraspanins, a superfamily of small integral membrane proteins, are characterized by four transmembrane domains and conserved protein motifs that are configured into a unique molecular topology and structure in the plasma membrane. They act as key organizers of the plasma membrane, orchestrating the formation of specialized microdomains called "tetraspanin-enriched microdomains (TEMs)" or "tetraspanin nanodomains" that are essential for mediating diverse biological processes. TSPAN8 is one of the earliest identified tetraspanin members. It is known to interact with a wide range of molecular partners in different cellular contexts and regulate diverse molecular and cellular events at the plasma membrane, including cell adhesion, migration, invasion, signal transduction, and exosome biogenesis. The functions of cell-surface TSPAN8 are governed by ER targeting, modifications at the Golgi apparatus and dynamic trafficking. Intriguingly, limited evidence shows that TSPAN8 can translocate to the nucleus to act as a transcriptional regulator. The transcription of TSPAN8 is tightly regulated and restricted to defined cell lineages, where it can serve as a molecular marker of stem/progenitor cells in certain normal tissues as well as tumors. Importantly, the oncogenic roles of TSPAN8 in tumor development and cancer metastasis have gained prominence in recent decades. Here, we comprehensively review the current knowledge on the molecular characteristics and regulatory mechanisms defining TSPAN8 functions, and discuss the potential and significance of TSPAN8 as a biomarker and therapeutic target across various epithelial cancers.
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Affiliation(s)
- Jicheng Yang
- Cancer and Stem Cell Biology Program, Duke-NUS Medical School, Singapore 169857, Singapore
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medicine, University of Melbourne, Parkville, VIC 3010, Australia
| | - Ziyan Zhang
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medicine, University of Melbourne, Parkville, VIC 3010, Australia
| | - Joanne Shi Woon Lam
- Bioinformatics Institute (BII), Agency for Science, Technology and Research (A*STAR), Singapore 138671, Singapore
| | - Hao Fan
- Bioinformatics Institute (BII), Agency for Science, Technology and Research (A*STAR), Singapore 138671, Singapore
| | - Nai Yang Fu
- Cancer and Stem Cell Biology Program, Duke-NUS Medical School, Singapore 169857, Singapore
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medicine, University of Melbourne, Parkville, VIC 3010, Australia
- Department of Physiology, National University of Singapore, Singapore 117593, Singapore
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26
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Nicze M, Borówka M, Dec A, Niemiec A, Bułdak Ł, Okopień B. The Current and Promising Oral Delivery Methods for Protein- and Peptide-Based Drugs. Int J Mol Sci 2024; 25:815. [PMID: 38255888 PMCID: PMC10815890 DOI: 10.3390/ijms25020815] [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: 11/30/2023] [Revised: 01/05/2024] [Accepted: 01/07/2024] [Indexed: 01/24/2024] Open
Abstract
Drugs based on peptides and proteins (PPs) have been widely used in medicine, beginning with insulin therapy in patients with diabetes mellitus over a century ago. Although the oral route of drug administration is the preferred one by the vast majority of patients and improves compliance, medications of this kind due to their specific chemical structure are typically delivered parenterally, which ensures optimal bioavailability. In order to overcome issues connected with oral absorption of PPs such as their instability depending on digestive enzymes and pH changes in the gastrointestinal (GI) system on the one hand, but also their limited permeability across physiological barriers (mucus and epithelium) on the other hand, scientists have been strenuously searching for novel delivery methods enabling peptide and protein drugs (PPDs) to be administered enterally. These include utilization of different nanoparticles, transport channels, substances enhancing permeation, chemical modifications, hydrogels, microneedles, microemulsion, proteolytic enzyme inhibitors, and cell-penetrating peptides, all of which are extensively discussed in this review. Furthermore, this article highlights oral PP therapeutics both previously used in therapy and currently available on the medical market.
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Affiliation(s)
- Michał Nicze
- Department of Internal Medicine and Clinical Pharmacology, Faculty of Medical Sciences, Medical University of Silesia in Katowice, Medyków 18, 40-752 Katowice, Poland (B.O.)
| | | | | | | | - Łukasz Bułdak
- Department of Internal Medicine and Clinical Pharmacology, Faculty of Medical Sciences, Medical University of Silesia in Katowice, Medyków 18, 40-752 Katowice, Poland (B.O.)
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27
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Masjedi MNK, Sadroddiny E, Ai J, Balalaie S, Asgari Y. Targeted expression of a designed fusion protein containing BMP2 into the lumen of exosomes. Biochim Biophys Acta Gen Subj 2024; 1868:130505. [PMID: 37925035 DOI: 10.1016/j.bbagen.2023.130505] [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: 03/26/2023] [Revised: 10/07/2023] [Accepted: 10/28/2023] [Indexed: 11/06/2023]
Abstract
BACKGROUND Exosomes are 30-150 nm membrane vesicles, originating from the endocytic pathway. By acting as natural carriers of biomolecules, they can transfer various materials to recipient cells. Therefore, discovering novel strategies for cargo packaging into exosomes is crucial. METHODS The fusion constructs, consisting of protein of interest (BMP2) along with the targeting motif, linkers, tracking proteins, and enzyme cleavage sites, were computationally designed. Following the homology modeling, the best structure was selected and subjected to molecular dynamics (MD) simulation and docking analyses. The fusion protein gene was expressed in the HEK-293LTV cell line. The high-efficiency transfected and transduced cells were screened and their exosomes were isolated. Finally, cell and exosome lysates were evaluated for expression of the fusion protein. RESULTS A total of 12 constructs with lengths ranging from 483 to 496 were designed. The top three templates, 1REW, 2H5Q, and 2MOF were screened. MD simulation and docking analyses of the structures revealed their stability and functionality. In the protein expression analyses, three bands at sizes of approximately 60, 25, and 12.5 kDa were observed, consistent with the sizes of the complete fusion protein, dimeric, and monomeric BMP2 protein. The presence of a 12.5 kDa band at exosome lysate analysis might suggest that it was loaded and cleaved inside exosomes. CONCLUSION In summary, these findings revealed that the proposed idea for cargo sorting within the exosome lumen through incorporating an appropriate cleavage site was effective, thus providing further insight into the potential of exosomes as nano-shuttles bearing therapeutic biomolecules.
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Affiliation(s)
- Maryam Noei-Khesht Masjedi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Esmaeil Sadroddiny
- Department of Tissue Engineering, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Jafar Ai
- Department of Tissue Engineering, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Saeed Balalaie
- Peptide Chemistry Research Center, K. N. Toosi University of Technology, Tehran, Iran; Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Yazdan Asgari
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
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28
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Kim JE, Park S, Kwak C, Lee Y, Song D, Jung JW, Lee H, Shin E, Pinanga Y, Pyo K, Lee EH, Kim W, Kim S, Jun C, Yun J, Choi S, Rhee H, Liu K, Lee JW. Glucose-mediated mitochondrial reprogramming by cholesterol export at TM4SF5-enriched mitochondria-lysosome contact sites. Cancer Commun (Lond) 2024; 44:47-75. [PMID: 38133457 PMCID: PMC10794009 DOI: 10.1002/cac2.12510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 11/25/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Transmembrane 4 L six family member 5 (TM4SF5) translocates subcellularly and functions metabolically, although it is unclear how intracellular TM4SF5 translocation is linked to metabolic contexts. It is thus of interests to understand how the traffic dynamics of TM4SF5 to subcellular endosomal membranes are correlated to regulatory roles of metabolisms. METHODS Here, we explored the metabolic significance of TM4SF5 localization at mitochondria-lysosome contact sites (MLCSs), using in vitro cells and in vivo animal systems, via approaches by immunofluorescence, proximity labelling based proteomics analysis, organelle reconstitution etc. RESULTS: Upon extracellular glucose repletion following depletion, TM4SF5 became enriched at MLCSs via an interaction between mitochondrial FK506-binding protein 8 (FKBP8) and lysosomal TM4SF5. Proximity labeling showed molecular clustering of phospho-dynamic-related protein I (DRP1) and certain mitophagy receptors at TM4SF5-enriched MLCSs, leading to mitochondrial fission and autophagy. TM4SF5 bound NPC intracellular cholesterol transporter 1 (NPC1) and free cholesterol, and mediated export of lysosomal cholesterol to mitochondria, leading to impaired oxidative phosphorylation but intact tricarboxylic acid (TCA) cycle and β-oxidation. In mouse models, hepatocyte Tm4sf5 promoted mitophagy and cholesterol transport to mitochondria, both with positive relations to liver malignancy. CONCLUSIONS Our findings suggested that TM4SF5-enriched MLCSs regulate glucose catabolism by facilitating cholesterol export for mitochondrial reprogramming, presumably while hepatocellular carcinogenesis, recapitulating aspects for hepatocellular carcinoma metabolism with mitochondrial reprogramming to support biomolecule synthesis in addition to glycolytic energetics.
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Affiliation(s)
- Ji Eon Kim
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - So‐Young Park
- BK21 FOUR Community‐Based Intelligent Novel Drug Discovery Education Unit, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National UniversityDaeguRepublic of Korea
| | - Chulhwan Kwak
- Department of ChemistrySeoul National UniversitySeoulRepublic of Korea
| | - Yoonji Lee
- College of Pharmacy, Chung‐Ang UniversitySeoulRepublic of Korea
| | - Dae‐Geun Song
- Natural Product Informatics Research Center, Korea Institute of Science and Technology (KIST)Gangneung‐siGangwon‐doRepublic of Korea
| | - Jae Woo Jung
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Haesong Lee
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Eun‐Ae Shin
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Yangie Pinanga
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Kyung‐hee Pyo
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Eun Hae Lee
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Wonsik Kim
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Soyeon Kim
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Chang‐Duck Jun
- School of Life Sciences, Gwangju Institute of Science and Technology (GIST)GwangjuRepublic of Korea
| | - Jeanho Yun
- Department of BiochemistryCollege of Medicine, Dong‐A UniversityBusanRepublic of Korea
| | - Sun Choi
- Global AI Drug Discovery Center, College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans UniversitySeoulRepublic of Korea
| | - Hyun‐Woo Rhee
- Department of ChemistrySeoul National UniversitySeoulRepublic of Korea
| | - Kwang‐Hyeon Liu
- BK21 FOUR Community‐Based Intelligent Novel Drug Discovery Education Unit, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National UniversityDaeguRepublic of Korea
| | - Jung Weon Lee
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
- Interdisciplinary Program in Genetic Engineering, Seoul National UniversitySeoulRepublic of Korea
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29
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Wang Y, Xiao T, Zhao C, Li G. The Regulation of Exosome Generation and Function in Physiological and Pathological Processes. Int J Mol Sci 2023; 25:255. [PMID: 38203424 PMCID: PMC10779122 DOI: 10.3390/ijms25010255] [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: 11/06/2023] [Revised: 12/16/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024] Open
Abstract
Exosomes, a type of extracellular vesicle with a diameter of approximately 100 nm that is secreted by all cells, regulate the phenotype and function of recipient cells by carrying molecules such as proteins, nucleic acids, and lipids and are important mediators of intercellular communication. Exosomes are involved in various physiological and pathological processes such as immunomodulation, angiogenesis, tumorigenesis, metastasis, and chemoresistance. Due to their excellent properties, exosomes have shown their potential application in the clinical diagnosis and treatment of disease. The functions of exosomes depend on their biogenesis, uptake, and composition. Thus, a deeper understanding of these processes and regulatory mechanisms can help to find new targets for disease diagnosis and therapy. Therefore, this review summarizes and integrates the recent advances in the regulatory mechanisms of the entire biological process of exosomes, starting from the formation of early-sorting endosomes (ESCs) by plasma membrane invagination to the release of exosomes by fusion of multivesicular bodies (MVBs) with the plasma membrane, as well as the regulatory process of the interactions between exosomes and recipient cells. We also describe and discuss the regulatory mechanisms of exosome production in tumor cells and the potential of exosomes used in cancer diagnosis and therapy.
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Affiliation(s)
| | | | | | - Guiying Li
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China; (Y.W.); (T.X.); (C.Z.)
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30
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Ren Y, Ge K, Lu W, Xie X, Lu Y, Wang M, Yao B. Multivalent DNA Flowers for High-Performance Isolation, Detection, and Release of Tumor-Derived Extracellular Vesicles. ACS APPLIED MATERIALS & INTERFACES 2023; 15:55358-55368. [PMID: 38008903 DOI: 10.1021/acsami.3c12211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2023]
Abstract
Tumor-derived extracellular vesicles (T-EVs) hold great promise for understanding cancer biology and improving cancer diagnostics and therapeutics. Herein, we developed multivalent DNA flowers (DFs) containing repeated and equidistant EpCAM aptamers for the efficient isolation of T-EVs. The multivalent aptamer chains in DFs had good flexibility to adapt to the surface morphology of T-EVs and achieved multivalent ligand-receptor interactions, thus showing enhanced isolation ability compared to monovalent aptamers. Compared with other materials for isolation of EVs, DFs were generated by rolling circle amplification (RCA) and self-assembled into microspheres in a one-pot reaction, and the recognition molecules (aptamers) were directly replicated and assembled during the RCA reaction instead of chemical modification and immobilization on the surface of solid materials. Moreover, as optically transparent biomaterials, the content of EpCAM+ EVs could be directly reflected via membrane-based hydrophobic assembly of signaling modules in DFs@EpCAM+ EVs complex, and we found that the amount of EpCAM+ EVs showed greater accuracy in cancer diagnosis than total EVs (88.3 vs 69.7%) and was also higher than the clinically commonly used marker carcinoembryonic antigen (CEA) (88.3 vs 76.7%). In addition, T-EVs could be released by lysis of DFs with the nuclease, gently and easily, keeping high intact and activity of EVs for downstream biological function studies. These results demonstrated that DFs are efficient and nondestructive tools for isolation, detection, and release of T-EVs.
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Affiliation(s)
- Yongan Ren
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Ke Ge
- The Second Affiliated Hospital of Fujian Medical University, Quanzhou 362000, China
| | - Wei Lu
- GeneX (Zhejiang) Precision Medicine Co., Ltd, Hangzhou 311100, China
| | - Xinlun Xie
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Yang Lu
- Department of Oncology, PKUCare Luzhong Hospital, Zibo, Shandong 255499, China
| | - Min Wang
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Bo Yao
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
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31
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Leinung N, Mentrup T, Patel M, Gallagher T, Schröder B. Dynamic association of the intramembrane proteases SPPL2a/b and their substrates with tetraspanin-enriched microdomains. iScience 2023; 26:107819. [PMID: 37736044 PMCID: PMC10509304 DOI: 10.1016/j.isci.2023.107819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 07/21/2023] [Accepted: 08/31/2023] [Indexed: 09/23/2023] Open
Abstract
Signal peptide peptidase-like 2a and b (SPPL2a/b) are aspartyl intramembrane proteases and cleave tail-anchored proteins as well as N-terminal fragments (NTFs) derived from type II-oriented transmembrane proteins. How these proteases recruit substrates and cleavage is regulated, is still incompletely understood. We found that SPPL2a/b localize to detergent-resistant membrane (DRM) domains with the characteristics of tetraspanin-enriched microdomains (TEMs). Based on this, association with several tetraspanins was evaluated. We demonstrate that not only SPPL2a/b but also their substrates tumor necrosis factor (TNF) and CD74 associate with tetraspanins like CD9, CD81, and CD82 and/or TEMs and analyze the stability of these complexes in different detergents. CD9 and CD81 deficiency has protease- and substrate-selective effects on SPPL2a/b function. Our findings suggest that reciprocal interactions with tetraspanins may assist protease-substrate encounters of SPPL2a/b within the membrane. Beyond SPP/SPPL proteases, this supports previous concepts that tetraspanins facilitate membrane-embedded proteolytic processes.
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Affiliation(s)
- Nadja Leinung
- Institute of Physiological Chemistry, Technische Universität Dresden, Dresden, Germany
| | - Torben Mentrup
- Institute of Physiological Chemistry, Technische Universität Dresden, Dresden, Germany
| | - Mehul Patel
- Institute of Physiological Chemistry, Technische Universität Dresden, Dresden, Germany
| | - Tom Gallagher
- Department of Microbiology and Immunology, Loyola University Chicago, Maywood, IL, USA
| | - Bernd Schröder
- Institute of Physiological Chemistry, Technische Universität Dresden, Dresden, Germany
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32
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Castro-Cruz M, Hyka L, Daaboul G, Leblanc R, Meeussen S, Lembo F, Oris A, Van Herck L, Granjeaud S, David G, Zimmermann P. PDZ scaffolds regulate extracellular vesicle production, composition, and uptake. Proc Natl Acad Sci U S A 2023; 120:e2310914120. [PMID: 37695903 PMCID: PMC10515165 DOI: 10.1073/pnas.2310914120] [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: 07/04/2023] [Accepted: 08/08/2023] [Indexed: 09/13/2023] Open
Abstract
Extracellular vesicles (EVs) are membrane-limited organelles mediating cell-to-cell communication in health and disease. EVs are of high medical interest, but their rational use for diagnostics or therapies is restricted by our limited understanding of the molecular mechanisms governing EV biology. Here, we tested whether PDZ proteins, molecular scaffolds that support the formation, transport, and function of signal transduction complexes and that coevolved with multicellularity, may represent important EV regulators. We reveal that the PDZ proteome (ca. 150 proteins in human) establishes a discrete number of direct interactions with the tetraspanins CD9, CD63, and CD81, well-known EV constituents. Strikingly, PDZ proteins interact more extensively with syndecans (SDCs), ubiquitous membrane proteins for which we previously demonstrated an important role in EV biogenesis, loading, and turnover. Nine PDZ proteins were tested in loss-of-function studies. We document that these PDZ proteins regulate both tetraspanins and SDCs, differentially affecting their steady-state levels, subcellular localizations, metabolism, endosomal budding, and accumulations in EVs. Importantly, we also show that PDZ proteins control the levels of heparan sulfate at the cell surface that functions in EV capture. In conclusion, our study establishes that the extensive networking of SDCs, tetraspanins, and PDZ proteins contributes to EV heterogeneity and turnover, highlighting an important piece of the molecular framework governing intracellular trafficking and intercellular communication.
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Affiliation(s)
- Monica Castro-Cruz
- Department of Human Genetics, Katholieke Universiteit Leuven, B-3000Leuven, Belgium
- Équipe Labellisée Ligue 2018, Aix Marseille Université, INSERM 1068, CNRS 7258, Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille, 13009Marseille, France
| | - Lukas Hyka
- Department of Human Genetics, Katholieke Universiteit Leuven, B-3000Leuven, Belgium
- Équipe Labellisée Ligue 2018, Aix Marseille Université, INSERM 1068, CNRS 7258, Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille, 13009Marseille, France
| | | | - Raphael Leblanc
- Équipe Labellisée Ligue 2018, Aix Marseille Université, INSERM 1068, CNRS 7258, Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille, 13009Marseille, France
| | - Sofie Meeussen
- Department of Human Genetics, Katholieke Universiteit Leuven, B-3000Leuven, Belgium
| | - Frédérique Lembo
- Équipe Labellisée Ligue 2018, Aix Marseille Université, INSERM 1068, CNRS 7258, Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille, 13009Marseille, France
| | - Anouk Oris
- Department of Human Genetics, Katholieke Universiteit Leuven, B-3000Leuven, Belgium
| | - Lore Van Herck
- Department of Human Genetics, Katholieke Universiteit Leuven, B-3000Leuven, Belgium
| | - Samuel Granjeaud
- Équipe Labellisée Ligue 2018, Aix Marseille Université, INSERM 1068, CNRS 7258, Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille, 13009Marseille, France
| | - Guido David
- Department of Human Genetics, Katholieke Universiteit Leuven, B-3000Leuven, Belgium
- Équipe Labellisée Ligue 2018, Aix Marseille Université, INSERM 1068, CNRS 7258, Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille, 13009Marseille, France
| | - Pascale Zimmermann
- Department of Human Genetics, Katholieke Universiteit Leuven, B-3000Leuven, Belgium
- Équipe Labellisée Ligue 2018, Aix Marseille Université, INSERM 1068, CNRS 7258, Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille, 13009Marseille, France
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33
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Quagliano A, Gopalakrishnapillai A, Barwe SP. Tetraspanins set the stage for bone marrow microenvironment-induced chemoprotection in hematologic malignancies. Blood Adv 2023; 7:4403-4413. [PMID: 37561544 PMCID: PMC10432613 DOI: 10.1182/bloodadvances.2023010476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 06/06/2023] [Indexed: 08/11/2023] Open
Abstract
Despite recent advances in the treatment of hematologic malignancies, relapse still remains a consistent issue. One of the primary contributors to relapse is the bone marrow microenvironment providing a sanctuary to malignant cells. These cells interact with bone marrow components such as osteoblasts and stromal cells, extracellular matrix proteins, and soluble factors. These interactions, mediated by the cell surface proteins like cellular adhesion molecules (CAMs), induce intracellular signaling that leads to the development of bone marrow microenvironment-induced chemoprotection (BMC). Although extensive study has gone into these CAMs, including the development of targeted therapies, very little focus in hematologic malignancies has been put on a family of cell surface proteins that are just as important for mediating bone marrow interactions: the transmembrane 4 superfamily (tetraspanins; TSPANs). TSPANs are known to be important mediators of microenvironmental interactions and metastasis based on numerous studies in solid tumors. Recently, evidence of their possible role in hematologic malignancies, specifically in the regulation of cellular adhesion, bone marrow homing, intracellular signaling, and stem cell dynamics in malignant hematologic cells has come to light. Many of these effects are facilitated by associations with CAMs and other receptors on the cell surface in TSPAN-enriched microdomains. This could suggest that TSPANs play an important role in mediating BMC in hematologic malignancies and could be used as therapeutic targets. In this review, we discuss TSPAN structure and function in hematologic cells, their interactions with different cell surface and signaling proteins, and possible ways to target/inhibit their effects.
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Affiliation(s)
- Anthony Quagliano
- Lisa Dean Moseley Foundation Institute for Cancer and Blood Disorders, Nemours Children’s Hospital, Wilmington, DE
- Department of Biological Sciences, University of Delaware, Newark, DE
| | - Anilkumar Gopalakrishnapillai
- Lisa Dean Moseley Foundation Institute for Cancer and Blood Disorders, Nemours Children’s Hospital, Wilmington, DE
- Department of Biological Sciences, University of Delaware, Newark, DE
| | - Sonali P. Barwe
- Lisa Dean Moseley Foundation Institute for Cancer and Blood Disorders, Nemours Children’s Hospital, Wilmington, DE
- Department of Biological Sciences, University of Delaware, Newark, DE
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34
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Zhu J, Qiao Q, Sun Y, Xu Y, Shu H, Zhang Z, Liu F, Wang H, Ye W, Dong S, Wang Y, Ma Z, Wang Y. Divergent sequences of tetraspanins enable plants to specifically recognize microbe-derived extracellular vesicles. Nat Commun 2023; 14:4877. [PMID: 37573360 PMCID: PMC10423219 DOI: 10.1038/s41467-023-40623-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 08/03/2023] [Indexed: 08/14/2023] Open
Abstract
Extracellular vesicles (EVs) are important for cell-to-cell communication in animals. EVs also play important roles in plant-microbe interactions, but the underlying mechanisms remain elusive. Here, proteomic analyses of EVs from the soybean (Glycine max) root rot pathogen Phytophthora sojae identify the tetraspanin family proteins PsTET1 and PsTET3, which are recognized by Nicotiana benthamiana to trigger plant immune responses. Both proteins are required for the full virulence of P. sojae. The large extracellular loop (EC2) of PsTET3 is the key region recognized by N. benthamiana and soybean cells in a plant receptor-like kinase NbSERK3a/b dependent manner. TET proteins from oomycete and fungal plant pathogens are recognized by N. benthamiana thus inducing immune responses, whereas plant-derived TET proteins are not due to the sequence divergence of sixteen amino acids at the C-terminal of EC2. This feature allows plants to distinguish self and non-self EVs to trigger active defense responses against pathogenic eukaryotes.
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Affiliation(s)
- Jinyi Zhu
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China
| | - Qian Qiao
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China
| | - Yujing Sun
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China
| | - Yuanpeng Xu
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China
| | - Haidong Shu
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China
| | - Zhichao Zhang
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China
| | - Fan Liu
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China
| | - Haonan Wang
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China
| | - Wenwu Ye
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China
- The Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), 210095, Nanjing, China
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, 210095, Nanjing, China
| | - Suomeng Dong
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China
- The Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), 210095, Nanjing, China
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, 210095, Nanjing, China
| | - Yan Wang
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China
- The Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), 210095, Nanjing, China
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, 210095, Nanjing, China
| | - Zhenchuan Ma
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China
- The Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), 210095, Nanjing, China
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, 210095, Nanjing, China
| | - Yuanchao Wang
- Department of Plant Pathology, Nanjing Agricultural University, 210095, Nanjing, China.
- The Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), 210095, Nanjing, China.
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, 210095, Nanjing, China.
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35
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Ikelle L, Makia M, Lewis T, Crane R, Kakakhel M, Conley SM, Birtley JR, Arshavsky VY, Al-Ubaidi MR, Naash MI. Comparative study of PRPH2 D2 loop mutants reveals divergent disease mechanism in rods and cones. Cell Mol Life Sci 2023; 80:214. [PMID: 37466729 PMCID: PMC10356684 DOI: 10.1007/s00018-023-04851-3] [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: 01/25/2023] [Revised: 05/10/2023] [Accepted: 06/28/2023] [Indexed: 07/20/2023]
Abstract
Mutations in the photoreceptor-specific tetraspanin gene peripherin-2 (PRPH2) lead to widely varying forms of retinal degeneration ranging from retinitis pigmentosa to macular dystrophy. Both inter- and intra-familial phenotypic heterogeneity has led to much interest in uncovering the complex pathogenic mechanisms of PRPH2-associated disease. Majority of disease-causing mutations in PRPH2 reside in the second intradiscal loop, wherein seven cysteines control protein folding and oligomerization. Here, we utilize knockin models to evaluate the role of three D2 loop cysteine mutants (Y141C, C213Y and C150S), alone or in combination. We elucidated how these mutations affect PRPH2 properties, including oligomerization and subcellular localization, and contribute to disease processes. Results from our structural, functional and molecular studies revealed that, in contrast to our understanding from prior investigations, rods are highly affected by PRPH2 mutations interfering with oligomerization and not merely by the haploinsufficiency associated with these mutations. On the other hand, cones are less affected by the toxicity of the mutant protein and significantly reduced protein levels, suggesting that knockdown therapeutic strategies may sustain cone functionality for a longer period. This observation provides useful data to guide and simplify the current development of effective therapeutic approaches for PRPH2-associated diseases that combine knockdown with high levels of gene supplementation needed to generate prolonged rod improvement.
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Affiliation(s)
- Larissa Ikelle
- Department of Biomedical Engineering, University of Houston, 3517 Cullen Blvd. Room 2027, Houston, TX, 77204-5060, USA
| | - Mustafa Makia
- Department of Biomedical Engineering, University of Houston, 3517 Cullen Blvd. Room 2027, Houston, TX, 77204-5060, USA
| | - Tylor Lewis
- Department of Ophthalmology, Duke University Medical Center, Durham, NC, USA
| | - Ryan Crane
- Department of Biomedical Engineering, University of Houston, 3517 Cullen Blvd. Room 2027, Houston, TX, 77204-5060, USA
| | - Mashal Kakakhel
- Department of Biomedical Engineering, University of Houston, 3517 Cullen Blvd. Room 2027, Houston, TX, 77204-5060, USA
| | - Shannon M Conley
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
| | | | - Vadim Y Arshavsky
- Department of Ophthalmology, Duke University Medical Center, Durham, NC, USA
| | - Muayyad R Al-Ubaidi
- Department of Biomedical Engineering, University of Houston, 3517 Cullen Blvd. Room 2027, Houston, TX, 77204-5060, USA.
| | - Muna I Naash
- Department of Biomedical Engineering, University of Houston, 3517 Cullen Blvd. Room 2027, Houston, TX, 77204-5060, USA.
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36
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Benayas B, Morales J, Egea C, Armisén P, Yáñez‐Mó M. Optimization of extracellular vesicle isolation and their separation from lipoproteins by size exclusion chromatography. JOURNAL OF EXTRACELLULAR BIOLOGY 2023; 2:e100. [PMID: 38939075 PMCID: PMC11080862 DOI: 10.1002/jex2.100] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 06/21/2023] [Accepted: 06/24/2023] [Indexed: 06/29/2024]
Abstract
Interest in the use of extracellular vesicles (EVs) as biomarkers of disease is rapidly growing. However, one main unsolved issue in the EV field is finding a technique able to eliminate non-EV contaminants present in biofluid samples in a one-step isolation protocol. Due to the expansion and value of size exclusion chromatography (SEC) as one of the best EV isolation methods, we have tested several agarose resins with different agarose percentages, bead sizes and crosslinking features to optimize EV isolation. For this optimization of SEC, we first employed conditioned media from a melanoma cell culture, a simpler sample in comparison to biological fluids, but which also contains abundant contaminants such as soluble protein and lipoproteins (LPPs). The distinct agaroses and the combinations of resins with different agarose percentages in the same column were tested. Soluble protein, EVs and LPPs levels from the different eluted fractions were quantitated by immunodetection or absorbance measurements. Samples were also analysed by NTA and TEM to verify the yield and the LPP contamination. Different percentages of agarose resins (2%, 4% and 6%) yielded samples with increasing LPP contamination respectively, which was not improved in the columns that combined them. Crosslinking of the agarose did not affect EV isolation yield nor the LPP contamination. In contrast, reducing the bead size greatly improved EV purity. We thus selected 4% Rapid Run Fine agarose beads as the resin that more efficiently isolated EVs with almost no contamination of other particles. Using blood plasma samples, this resin also demonstrated an improved capacity in the isolation of EVs from LPPs in comparison to the agaroses most commonly used in the field and differential ultracentrifugation.
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Affiliation(s)
- Beatriz Benayas
- Agarose Bead Technologies (ABT)Torrejón de ArdozMadridSpain
- Dept Biología MolecularUniversidad Autónoma de MadridIUBMCentro de Biología Molecular Severo Ochoa, IIS‐IPMadridSpain
| | - Joaquín Morales
- Dept Biología MolecularUniversidad Autónoma de MadridIUBMCentro de Biología Molecular Severo Ochoa, IIS‐IPMadridSpain
| | - Carolina Egea
- Agarose Bead Technologies (ABT)Torrejón de ArdozMadridSpain
| | - Pilar Armisén
- Agarose Bead Technologies (ABT)Torrejón de ArdozMadridSpain
| | - María Yáñez‐Mó
- Dept Biología MolecularUniversidad Autónoma de MadridIUBMCentro de Biología Molecular Severo Ochoa, IIS‐IPMadridSpain
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37
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Dixson AC, Dawson TR, Di Vizio D, Weaver AM. Context-specific regulation of extracellular vesicle biogenesis and cargo selection. Nat Rev Mol Cell Biol 2023; 24:454-476. [PMID: 36765164 PMCID: PMC10330318 DOI: 10.1038/s41580-023-00576-0] [Citation(s) in RCA: 134] [Impact Index Per Article: 134.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/04/2023] [Indexed: 02/12/2023]
Abstract
To coordinate, adapt and respond to biological signals, cells convey specific messages to other cells. An important aspect of cell-cell communication involves secretion of molecules into the extracellular space. How these molecules are selected for secretion has been a fundamental question in the membrane trafficking field for decades. Recently, extracellular vesicles (EVs) have been recognized as key players in intercellular communication, carrying not only membrane proteins and lipids but also RNAs, cytosolic proteins and other signalling molecules to recipient cells. To communicate the right message, it is essential to sort cargoes into EVs in a regulated and context-specific manner. In recent years, a wealth of lipidomic, proteomic and RNA sequencing studies have revealed that EV cargo composition differs depending upon the donor cell type, metabolic cues and disease states. Analyses of distinct cargo 'fingerprints' have uncovered mechanistic linkages between the activation of specific molecular pathways and cargo sorting. In addition, cell biology studies are beginning to reveal novel biogenesis mechanisms regulated by cellular context. Here, we review context-specific mechanisms of EV biogenesis and cargo sorting, focusing on how cell signalling and cell state influence which cellular components are ultimately targeted to EVs.
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Affiliation(s)
- Andrew C Dixson
- Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - T Renee Dawson
- Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, TN, USA
- Center for Extracellular Vesicle Research, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Dolores Di Vizio
- Department of Surgery, Division of Cancer Biology and Therapeutics, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Alissa M Weaver
- Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, TN, USA.
- Center for Extracellular Vesicle Research, Vanderbilt University School of Medicine, Nashville, TN, USA.
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA.
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38
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Abu-Saleh N, Kuo CC, Jiang W, Levy R, Levy S. The molecular mechanism of CD81 antibody inhibition of metastasis. Proc Natl Acad Sci U S A 2023; 120:e2305042120. [PMID: 37339209 PMCID: PMC10293848 DOI: 10.1073/pnas.2305042120] [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: 03/29/2023] [Accepted: 05/17/2023] [Indexed: 06/22/2023] Open
Abstract
Metastases are reduced in CD81KO mice. In addition, a unique anti-CD81 antibody, 5A6, inhibits metastasis in vivo and invasion and migration in vitro. Here, we probed the structural components of CD81 required for the antimetastatic activity induced by 5A6. We found that the removal of either cholesterol or the intracellular domains of CD81 did not affect inhibition by the antibody. We show that the uniqueness of 5A6 is due not to increased affinity but rather to its recognition of a specific epitope on the large extracellular loop of CD81. Finally, we present a number of CD81 membrane-associated partners that may play a role in mediating the 5A6 antimetastatic attributes, including integrins and transferrin receptors.
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Affiliation(s)
- Niroz Abu-Saleh
- Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, CA94305
| | - Chiung-Chi Kuo
- Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, CA94305
| | - Wei Jiang
- Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, CA94305
| | - Ronald Levy
- Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, CA94305
| | - Shoshana Levy
- Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, CA94305
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39
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Dehler CE, Boudinot P, Collet B, Martin SM. Phylogeny and expression of tetraspanin CD9 paralogues in rainbow trout (Oncorhynchus mykiss). DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 146:104735. [PMID: 37187444 DOI: 10.1016/j.dci.2023.104735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 05/12/2023] [Accepted: 05/12/2023] [Indexed: 05/17/2023]
Abstract
CD9 is a member of the tetraspanin family, which is characterised by a unique domain structure and conserved motifs. In mammals, CD9 is found in tetraspanin-enriched microdomains (TEMs) on the surface of virtually every cell type. CD9 has a wide variety of roles, including functions within the immune system. Here we show the first in-depth analysis of the cd9 gene family in salmonids, showing that this gene has expanded to six paralogues in three groups (cd9a, cd9b, cd9c) through whole genome duplication events. We suggest that through genome duplications, cd9 has undergone subfunctionalisation in the paralogues and that cd9c1 and cd9c2 in particular are involved in antiviral responses in salmonid fish. We show that these paralogues are significantly upregulated in parallel to classic interferon-stimulated genes (ISGs) active in the antiviral response. Expression analysis of cd9 may therefore become an interesting target to assess teleost responses to viruses.
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Affiliation(s)
- Carola E Dehler
- Scottish Fish Immunology Research Centre, School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | - Pierre Boudinot
- Université Paris-Saclay, INRAE, UVSQ, Virologie et Immunologie Moléculaires, 78350, Jouy-en-Josas, France
| | - Bertrand Collet
- Université Paris-Saclay, INRAE, UVSQ, Virologie et Immunologie Moléculaires, 78350, Jouy-en-Josas, France
| | - SamuelA M Martin
- Scottish Fish Immunology Research Centre, School of Biological Sciences, University of Aberdeen, Aberdeen, UK.
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40
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Bronstein R, Pace J, Gowthaman Y, Salant DJ, Mallipattu SK. Podocyte-Parietal Epithelial Cell Interdependence in Glomerular Development and Disease. J Am Soc Nephrol 2023; 34:737-750. [PMID: 36800545 PMCID: PMC10125654 DOI: 10.1681/asn.0000000000000104] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 02/04/2023] [Indexed: 02/19/2023] Open
Abstract
Podocytes and parietal epithelial cells (PECs) are among the few principal cell types within the kidney glomerulus, the former serving as a crucial constituent of the kidney filtration barrier and the latter representing a supporting epithelial layer that adorns the inner wall of Bowman's capsule. Podocytes and PECs share a circumscript developmental lineage that only begins to diverge during the S-shaped body stage of nephron formation-occurring immediately before the emergence of the fully mature nephron. These two cell types, therefore, share a highly conserved gene expression program, evidenced by recently discovered intermediate cell types occupying a distinct spatiotemporal gene expression zone between podocytes and PECs. In addition to their homeostatic functions, podocytes and PECs also have roles in kidney pathogenesis. Rapid podocyte loss in diseases, such as rapidly progressive GN and collapsing and cellular subtypes of FSGS, is closely allied with PEC proliferation and migration toward the capillary tuft, resulting in the formation of crescents and pseudocrescents. PECs are thought to contribute to disease progression and severity, and the interdependence between these two cell types during development and in various manifestations of kidney pathology is the primary focus of this review.
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Affiliation(s)
- Robert Bronstein
- Division of Nephrology, Department of Medicine, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York
| | - Jesse Pace
- Division of Nephrology, Department of Medicine, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York
| | - Yogesh Gowthaman
- Division of Nephrology, Department of Medicine, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York
| | - David J. Salant
- Division of Nephrology, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Sandeep K. Mallipattu
- Division of Nephrology, Department of Medicine, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York
- Renal Section, Northport VA Medical Center, Northport, New York
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Masi M, Biundo F, Fiou A, Racchi M, Pascale A, Buoso E. The Labyrinthine Landscape of APP Processing: State of the Art and Possible Novel Soluble APP-Related Molecular Players in Traumatic Brain Injury and Neurodegeneration. Int J Mol Sci 2023; 24:ijms24076639. [PMID: 37047617 PMCID: PMC10095589 DOI: 10.3390/ijms24076639] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/21/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023] Open
Abstract
Amyloid Precursor Protein (APP) and its cleavage processes have been widely investigated in the past, in particular in the context of Alzheimer’s Disease (AD). Evidence of an increased expression of APP and its amyloidogenic-related cleavage enzymes, β-secretase 1 (BACE1) and γ-secretase, at the hit axon terminals following Traumatic Brain Injury (TBI), firstly suggested a correlation between TBI and AD. Indeed, mild and severe TBI have been recognised as influential risk factors for different neurodegenerative diseases, including AD. In the present work, we describe the state of the art of APP proteolytic processing, underlining the different roles of its cleavage fragments in both physiological and pathological contexts. Considering the neuroprotective role of the soluble APP alpha (sAPPα) fragment, we hypothesised that sAPPα could modulate the expression of genes of interest for AD and TBI. Hence, we present preliminary experiments addressing sAPPα-mediated regulation of BACE1, Isthmin 2 (ISM2), Tetraspanin-3 (TSPAN3) and the Vascular Endothelial Growth Factor (VEGFA), each discussed from a biological and pharmacological point of view in AD and TBI. We finally propose a neuroprotective interaction network, in which the Receptor for Activated C Kinase 1 (RACK1) and the signalling cascade of PKCβII/nELAV/VEGF play hub roles, suggesting that vasculogenic-targeting therapies could be a feasible approach for vascular-related brain injuries typical of AD and TBI.
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Affiliation(s)
- Mirco Masi
- Computational and Chemical Biology, Italian Institute of Technology, Via Morego 30, 16163 Genova, Italy
| | - Fabrizio Biundo
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, 1300 Morris Park Ave, Bronx, NY 10461, USA
| | - André Fiou
- Department of Drug Sciences, Pharmacology Section, University of Pavia, Via Taramelli 12/14, 27100 Pavia, Italy
| | - Marco Racchi
- Department of Drug Sciences, Pharmacology Section, University of Pavia, Via Taramelli 12/14, 27100 Pavia, Italy
| | - Alessia Pascale
- Department of Drug Sciences, Pharmacology Section, University of Pavia, Via Taramelli 12/14, 27100 Pavia, Italy
| | - Erica Buoso
- Department of Drug Sciences, Pharmacology Section, University of Pavia, Via Taramelli 12/14, 27100 Pavia, Italy
- Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA 02118, USA
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Roh S, Kim S, Hong I, Lee M, Kim HJ, Ahn TS, Kang DH, Baek MJ, Kwak HJ, Kim CJ, Jeong D. High Expression of Tetraspanin 5 as a Prognostic Marker of Colorectal Cancer. Int J Mol Sci 2023; 24:ijms24076476. [PMID: 37047447 PMCID: PMC10094774 DOI: 10.3390/ijms24076476] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/21/2023] [Accepted: 03/25/2023] [Indexed: 04/03/2023] Open
Abstract
Cancer is a major disease and the leading cause of death worldwide, with colorectal cancer (CRC) being the third-most common cancer in Korea. The survival rate associated with CRC reduces as the disease stage increases. Therefore, its early detection and treatment can greatly increase patient survival rates. In this study, we identified the tetraspanin 5 (TSPAN5) gene as an important biomarker for predicting the prognosis of patients with CRC. A TMA slide was used for statistical analysis. pN and clinical stage were found to be significant factors according to chi-square analysis, whereas pT, pN, metastasis, clinical stage, and TSPAN5 expression were significant according to Cox regression analysis. In order to prove the usefulness of TSPAN5, which is overexpressed in patients with metastatic CRC, as a biomarker, proliferation, migration, invasion, and tumorigenicity were examined using cell lines inhibited using small interfering RNA. The evaluations confirmed that TSPAN5 suppression, in turn, suppressed proliferation, migration, invasion, and tumorigenesis, which are characteristic of cancer cells. Therefore, the evaluation of TSPAN5 expression may help observe the prognosis of CRC and determine an appropriate treatment method for patients with CRC.
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Affiliation(s)
- Sanghyun Roh
- Department of Pathology, College of Medicine, Soonchunhyang University, 31 Soonchunhyang 6 gil, Dongnam-gu, Cheonan 31151, Chungcheongnam-do, Republic of Korea (S.K.)
| | - Sooyoun Kim
- Department of Pathology, College of Medicine, Soonchunhyang University, 31 Soonchunhyang 6 gil, Dongnam-gu, Cheonan 31151, Chungcheongnam-do, Republic of Korea (S.K.)
| | - Inpyo Hong
- Department of Pathology, College of Medicine, Soonchunhyang University, 31 Soonchunhyang 6 gil, Dongnam-gu, Cheonan 31151, Chungcheongnam-do, Republic of Korea (S.K.)
| | - Minho Lee
- Department of Pathology, College of Medicine, Soonchunhyang University, 31 Soonchunhyang 6 gil, Dongnam-gu, Cheonan 31151, Chungcheongnam-do, Republic of Korea (S.K.)
| | - Han Jo Kim
- Department of Oncology, College of Medicine, Soonchunhyang University, 31 Soonchunhyang 6 gil, Dongnam-gu, Cheonan 31151, Chungcheongnam-do, Republic of Korea
| | - Tae Sung Ahn
- Department of Surgery, College of Medicine, Soonchunhyang University, 31 Soonchunhyang 6 gil, Dongnam-gu, Cheonan 31151, Chungcheongnam-do, Republic of Korea
| | - Dong Hyun Kang
- Department of Surgery, College of Medicine, Soonchunhyang University, 31 Soonchunhyang 6 gil, Dongnam-gu, Cheonan 31151, Chungcheongnam-do, Republic of Korea
| | - Moo-Jun Baek
- Department of Surgery, College of Medicine, Soonchunhyang University, 31 Soonchunhyang 6 gil, Dongnam-gu, Cheonan 31151, Chungcheongnam-do, Republic of Korea
| | - Hyoung Jong Kwak
- Research Institute of Clinical Medicine, Woori Madi Medical Center, 111 Baekjedae-ro, Wansan-gu, Jeonju 55082, Jeollabuk-do, Republic of Korea
| | - Chang-Jin Kim
- Research Institute of Clinical Medicine, Woori Madi Medical Center, 111 Baekjedae-ro, Wansan-gu, Jeonju 55082, Jeollabuk-do, Republic of Korea
| | - Dongjun Jeong
- Department of Pathology, College of Medicine, Soonchunhyang University, 31 Soonchunhyang 6 gil, Dongnam-gu, Cheonan 31151, Chungcheongnam-do, Republic of Korea (S.K.)
- Correspondence: ; Tel.: +82-41-413-5049; Fax: +92-41-570-2546
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Mao M, Lin Z, Chen L, Zou Z, Zhang J, Dou Q, Wu J, Chen J, Wu M, Niu L, Fan C, Zhang Y. Modular DNA-Origami-Based Nanoarrays Enhance Cell Binding Affinity through the "Lock-and-Key" Interaction. J Am Chem Soc 2023; 145:5447-5455. [PMID: 36812464 DOI: 10.1021/jacs.2c13825] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Surface proteins of cells are generally recognized through receptor-ligand interactions (RLIs) in disease diagnosis, but their nonuniform spatial distribution and higher-order structure lead to low binding affinity. Constructing nanotopologies that match the spatial distribution of membrane proteins to improve the binding affinity remains a challenge. Inspired by the multiantigen recognition of immune synapses, we developed modular DNA-origami-based nanoarrays with multivalent aptamers. By adjusting the valency and interspacing of the aptamers, we constructed specific nanotopology to match the spatial distribution of target protein clusters and avoid potential steric hindrance. We found that the nanoarrays significantly enhanced the binding affinity of target cells and synergistically recognized low-affinity antigen-specific cells. In addition, DNA nanoarrays used for the clinical detection of circulating tumor cells successfully verified their precise recognition ability and high-affinity RLIs. Such nanoarrays will further promote the potential application of DNA materials in clinical detection and even cell membrane engineering.
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Affiliation(s)
- Miao Mao
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, China
| | - Zhun Lin
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, China
| | - Liang Chen
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, China
| | - Zhengyu Zou
- Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
| | - Jie Zhang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, China
| | - Quanhao Dou
- Joint Laboratory of Optofluidic Technology and Systems, National Center for International Research on Green Optoelectronics, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, Guangdong 510006, China
| | - Jiacheng Wu
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, China
| | - Jinglin Chen
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, China
| | - Minhao Wu
- Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
| | - Li Niu
- Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, Guangdong 510006, China
| | - Chunhai Fan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yuanqing Zhang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, China
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Ding Y, Chen J, Li S, Wren JD, Bajpai AK, Wang J, Tanaka T, Rice HC, Hays FA, Lu L, Zhang XA. EWI2 and its relatives in Tetraspanin-enriched membrane domains regulate malignancy. Oncogene 2023; 42:861-868. [PMID: 36788350 DOI: 10.1038/s41388-023-02623-8] [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: 10/11/2022] [Revised: 01/24/2023] [Accepted: 02/01/2023] [Indexed: 02/16/2023]
Abstract
Experimental studies on immunoglobulin superfamily (IgSF) member EWI2 reveal that it suppresses a variety of solid malignant tumors including brain, lung, skin, and prostate cancers in animal models and inhibits tumor cell movement and growth in vitro. While EWI2 appears to support myeloid leukemia in mouse models and maintain leukemia stem cells. Bioinformatics analyses suggest that EWI2 gene expression is downregulated in glioblastoma but upregulated in melanoma, pancreatic cancer, and liver cancer. The mechanism of action for EWI2 is linked to its inhibition of growth factor receptors and cell adhesion proteins through its associated tetraspanin-enriched membrane domains (TEMDs), by altering the cell surface clustering and endolysosome trafficking/turnover of these transmembrane proteins. Recent studies also show that EWI2 modulates the nuclear translocation of ERK and TFEB to change the activities of these gene expression regulators. For EWI2 relatives including FPRP, IgSF3, and CD101, although their roles in malignant diseases are not fully clear and remain to be determined experimentally, FPRP and IgSF3 likely promote the progression of solid malignant tumors while CD101 seems to modulate immune cells of tumor microenvironment. Distinctive from other tumor regulators, the impacts of EWI subfamily members on solid malignant tumors are likely to be context dependent. In other words, the effect of a given EWI subfamily member on a tumor probably depends on the molecular network and composition of TEMDs in that tumor. Collectively, EWI2 and its relatives are emerged as important regulators of malignant diseases with promising potentials to become anti-cancer therapeutics and cancer therapy targets.
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Affiliation(s)
- Yingjun Ding
- University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Junxiong Chen
- University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Shuping Li
- University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Jonathan D Wren
- Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | | | - Jie Wang
- University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Takemi Tanaka
- University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Heather C Rice
- University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Franklin A Hays
- University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Lu Lu
- University of Tennessee Health Science Center, Memphis, TN, USA
| | - Xin A Zhang
- University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.
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45
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Tetraspanin 4 stabilizes membrane swellings and facilitates their maturation into migrasomes. Nat Commun 2023; 14:1037. [PMID: 36823145 PMCID: PMC9950420 DOI: 10.1038/s41467-023-36596-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 02/06/2023] [Indexed: 02/25/2023] Open
Abstract
Migrasomes are newly discovered cell organelles forming by local swelling of retraction fibers. The migrasome formation critically depends on tetraspanin proteins present in the retraction fiber membranes and is modulated by the membrane tension and bending rigidity. It remained unknown how and in which time sequence these factors are involved in migrasome nucleation, growth, and stabilization, and what are the possible intermediate stages of migrasome biogenesis. Here using live cell imaging and a biomimetic system for migrasomes and retraction fibers, we reveal that migrasome formation is a two-stage process. At the first stage, which in biomimetic system is mediated by membrane tension, local swellings largely devoid of tetraspanin 4 form on the retraction fibers. At the second stage, tetraspanin 4 molecules migrate toward and onto these swellings, which grow up to several microns in size and transform into migrasomes. This tetraspanin 4 recruitment to the swellings is essential for migrasome growth and stabilization. Based on these findings we propose that the major role of tetraspanin proteins is in stabilizing the migrasome structure, while the migrasome nucleation and initial growth stages can be driven by membrane mechanical stresses.
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46
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Kanchanawong P, Calderwood DA. Organization, dynamics and mechanoregulation of integrin-mediated cell-ECM adhesions. Nat Rev Mol Cell Biol 2023; 24:142-161. [PMID: 36168065 PMCID: PMC9892292 DOI: 10.1038/s41580-022-00531-5] [Citation(s) in RCA: 89] [Impact Index Per Article: 89.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/10/2022] [Indexed: 02/04/2023]
Abstract
The ability of animal cells to sense, adhere to and remodel their local extracellular matrix (ECM) is central to control of cell shape, mechanical responsiveness, motility and signalling, and hence to development, tissue formation, wound healing and the immune response. Cell-ECM interactions occur at various specialized, multi-protein adhesion complexes that serve to physically link the ECM to the cytoskeleton and the intracellular signalling apparatus. This occurs predominantly via clustered transmembrane receptors of the integrin family. Here we review how the interplay of mechanical forces, biochemical signalling and molecular self-organization determines the composition, organization, mechanosensitivity and dynamics of these adhesions. Progress in the identification of core multi-protein modules within the adhesions and characterization of rearrangements of their components in response to force, together with advanced imaging approaches, has improved understanding of adhesion maturation and turnover and the relationships between adhesion structures and functions. Perturbations of adhesion contribute to a broad range of diseases and to age-related dysfunction, thus an improved understanding of their molecular nature may facilitate therapeutic intervention in these conditions.
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Affiliation(s)
- Pakorn Kanchanawong
- Mechanobiology Institute, National University of Singapore, Singapore, Singapore.
- Department of Biomedical Engineering, National University of Singapore, Singapore, Singapore.
| | - David A Calderwood
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT, USA.
- Department of Cell Biology, Yale University School of Medicine, New Haven, CT, USA.
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47
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Rahim NS, Wu YS, Sim MS, Velaga A, Bonam SR, Gopinath SCB, Subramaniyan V, Choy KW, Teow SY, Fareez IM, Samudi C, Sekaran SD, Sekar M, Guad RM. Three Members of Transmembrane-4-Superfamily, TM4SF1, TM4SF4, and TM4SF5, as Emerging Anticancer Molecular Targets against Cancer Phenotypes and Chemoresistance. Pharmaceuticals (Basel) 2023; 16:ph16010110. [PMID: 36678607 PMCID: PMC9867095 DOI: 10.3390/ph16010110] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/15/2022] [Accepted: 01/03/2023] [Indexed: 01/13/2023] Open
Abstract
There are six members of the transmembrane 4 superfamily (TM4SF) that have similar topology and sequence homology. Physiologically, they regulate tissue differentiation, signal transduction pathways, cellular activation, proliferation, motility, adhesion, and angiogenesis. Accumulating evidence has demonstrated, among six TM4SF members, the regulatory roles of transmembrane 4 L6 domain family members, particularly TM4SF1, TM4SF4, and TM4SF5, in cancer angiogenesis, progression, and chemoresistance. Hence, targeting derailed TM4SF for cancer therapy has become an emerging research area. As compared to others, this review aimed to present a focused insight and update on the biological roles of TM4SF1, TM4SF4, and TM4SF5 in the progression, metastasis, and chemoresistance of various cancers. Additionally, the mechanistic pathways, diagnostic and prognostic values, and the potential and efficacy of current anti-TM4SF antibody treatment were also deciphered. It also recommended the exploration of other interactive molecules to be implicated in cancer progression and chemoresistance, as well as potential therapeutic agents targeting TM4SF as future perspectives. Generally, these three TM4SF members interact with different integrins and receptors to significantly induce intracellular signaling and regulate the proliferation, migration, and invasion of cancer cells. Intriguingly, gene silencing or anti-TM4SF antibody could reverse their regulatory roles deciphered in different preclinical models. They also have prognostic and diagnostic value as their high expression was detected in clinical tissues and cells of various cancers. Hence, TM4SF1, TM4SF4, and TM4SF5 are promising therapeutic targets for different cancer types preclinically and deserve further investigation.
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Affiliation(s)
- Nur Syafiqah Rahim
- Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur 50603, Malaysia
- Department of Biology, Faculty of Applied Sciences, Universiti Teknologi MARA, Perlis Branch, Arau Campus, Arau 02600, Malaysia
- Collaborative Drug Discovery Research (CDDR) Group, Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), Selangor Branch, Puncak Alam Campus, Bandar Puncak Alam 42300, Malaysia
| | - Yuan Seng Wu
- Centre for Virus and Vaccine Research, School of Medical and Life Sciences, Sunway University, Petaling Jaya 47500, Malaysia
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, Petaling Jaya 47500, Malaysia
- Correspondence: (Y.S.W.); (R.M.G.)
| | - Maw Shin Sim
- Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Appalaraju Velaga
- Department of Medicinal Chemistry, Faculty of Pharmacy, MAHSA University, Jenjarom 42610, Malaysia
| | - Srinivasa Reddy Bonam
- Department of Microbiology and Immunology, University of Texas Medical Branch, 301 University Blvd, Galveston, TX 77555, USA
| | - Subash C. B. Gopinath
- Faculty of Chemical Engineering & Technology, Universiti Malaysia Perlis (UniMAP), Arau 02600, Malaysia
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar 01000, Malaysia
- Micro System Technology, Centre of Excellence (CoE), Universiti Malaysia Perlis (UniMAP), Pauh Campus, Arau 02600, Malaysia
| | - Vetriselvan Subramaniyan
- Department of Pharmacology, School of Medicine, Faculty of Medicine, Bioscience and Nursing, MAHSA University, Jenjarom 42610, Malaysia
| | - Ker Woon Choy
- Department of Anatomy, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh 47000, Malaysia
| | - Sin-Yeang Teow
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, 88 Daxue Road, Quhai, Wenzhou 325060, China
| | - Ismail M. Fareez
- Collaborative Drug Discovery Research (CDDR) Group, Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), Selangor Branch, Puncak Alam Campus, Bandar Puncak Alam 42300, Malaysia
- School of Biology, Faculty of Applied Sciences, Universiti Teknologi MARA, Selangor Branch, Shah Alam Campus, 40450 Shah Alam, Malaysia
| | - Chandramathi Samudi
- Department of Medical Microbiology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Shamala Devi Sekaran
- Faculty of Medical and Health Sciences, UCSI University, Kuala Lumpur 56000, Malaysia
| | - Mahendran Sekar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Health Sciences, Royal College of Medicine Perak, Universiti Kuala Lumpur, Ipoh 30450, Malaysia
| | - Rhanye Mac Guad
- Department of Biomedical Science and Therapeutics, Faculty of Medicine and Health Science, Universiti Malaysia Sabah, Kota Kinabalu 88400, Malaysia
- Correspondence: (Y.S.W.); (R.M.G.)
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Pacheco J, Bohórquez-Hernández A, Méndez-Acevedo KM, Sampieri A, Vaca L. Roles of Cholesterol and PtdIns(4,5)P 2 in the Regulation of STIM1-Orai1 Channel Function. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1422:305-326. [PMID: 36988886 DOI: 10.1007/978-3-031-21547-6_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
Calcium is one of the most prominent second messengers. It is involved in a wide range of functions at the single-cell level but also in modulating regulatory mechanisms in the entire organism. One process mediating calcium signaling involves hydrolysis of phosphatidylinositol 4,5-bisphosphate (PtdIns(4,5)P2) by the phospholipase-C (PLC). Thus, calcium and PtdIns(4,5)P2 are intimately intertwined two second-messenger cascades that often depend on each other. Another relevant lipid associated with calcium signaling is cholesterol. Both PtdIns(4,5)P2 and cholesterol play key roles in the formation and maintenance of specialized signaling nanodomains known as lipid rafts. Lipid rafts are particularly important in calcium signaling by concentrating and localizing calcium channels such as the Orai1 channel. Depletion of internal calcium stores is initiated by the production of inositol-1,4,5-trisphosphate (IP3). Calcium depletion from the ER induces the oligomerization of STIM1, which binds Orai1 and initiates calcium influx into the cell. In the present review, we analyzed the complex interactions between cholesterol, PtdIns(4,5)P2, and the complex formed by the Orai1 channel and the signaling molecule STIM1. We explore some of the complex mechanisms governing calcium homeostasis and phospholipid metabolism, as well as the interaction between these two apparently independent signaling cascades.
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Affiliation(s)
- Jonathan Pacheco
- Department of Pharmacology and Chemical Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | | | - Kevin M Méndez-Acevedo
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
- ZHK, German Center for Cardiovascular Research, Partner Site, Berlin, Germany
| | - Alicia Sampieri
- Departamento de Biología Celular y del Desarrollo, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, México City, México
| | - Luis Vaca
- Departamento de Biología Celular y del Desarrollo, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, México City, México.
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49
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Xu F, Xia Q, Ye J, Dong L, Yang D, Xue W, Wang P. Programming DNA Aptamer Arrays of Prescribed Spatial Features with Enhanced Bioavailability and Cell Growth Modulation. NANO LETTERS 2022; 22:9935-9942. [PMID: 36480429 DOI: 10.1021/acs.nanolett.2c03377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Epithelial cell adhesion molecules (EpCAMs) play pivotal roles in tumorigenesis in many cancer types, which is reported to reside within nano- to microscale membrane domains, forming small clusters. We propose that building multivalent ligands that spatially patch to EpCAM clusters may largely enhance their targeting capability. Herein, we assembled EpCAM aptamers into nanoscale arrays of prescribed valency and spatial arrangements by using a rectangular DNA pegboard. Our results revealed that EpCAM aptamer arrays exhibited significantly higher binding avidity to MCF-7 cells than free monovalent aptamers, which was affected by both valency and spatial arrangement of aptamers. Furthermore, EpCAM aptamer arrays showed improved tolerance against competing targets in an extracellular environment and potent bioavailability and targeting specificity in a xenograft tumor model in mice. This work may shed light on rationally designing multivalent ligand complexes of defined parameters with optimized binding avidity and targeting capability toward various applications in the biomedical fields.
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Affiliation(s)
- Fan Xu
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, State Key Laboratory of Oncogene and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Qing Xia
- Department of Oncology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Jing Ye
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, State Key Laboratory of Oncogene and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Liang Dong
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Donglei Yang
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, State Key Laboratory of Oncogene and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Wei Xue
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Pengfei Wang
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, State Key Laboratory of Oncogene and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
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Singh A, Rajeevan A, Gopalan V, Agrawal P, Day CP, Hannenhalli S. Broad misappropriation of developmental splicing profile by cancer in multiple organs. Nat Commun 2022; 13:7664. [PMID: 36509773 PMCID: PMC9744839 DOI: 10.1038/s41467-022-35322-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 11/29/2022] [Indexed: 12/14/2022] Open
Abstract
Oncogenesis mimics key aspects of embryonic development. However, the underlying mechanisms are incompletely understood. Here, we demonstrate that the splicing events specifically active during human organogenesis, are broadly reactivated in the organ-specific tumor. Such events are associated with key oncogenic processes and predict proliferation rates in cancer cell lines as well as patient survival. Such events preferentially target nitrosylation and transmembrane-region domains, whose coordinated splicing in multiple genes respectively affect intracellular transport and N-linked glycosylation. We infer critical splicing factors potentially regulating embryonic splicing events and show that such factors are potential oncogenic drivers and are upregulated specifically in malignant cells. Multiple complementary analyses point to MYC and FOXM1 as potential transcriptional regulators of critical splicing factors in brain and liver. Our study provides a comprehensive demonstration of a splicing-mediated link between development and cancer, and suggest anti-cancer targets including splicing events, and their upstream splicing and transcriptional regulators.
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Affiliation(s)
- Arashdeep Singh
- grid.48336.3a0000 0004 1936 8075Cancer Data Science Laboratory, National Cancer Institute, National Institutes of Health, Bethesda, MD USA
| | - Arati Rajeevan
- grid.48336.3a0000 0004 1936 8075Cancer Data Science Laboratory, National Cancer Institute, National Institutes of Health, Bethesda, MD USA
| | - Vishaka Gopalan
- grid.48336.3a0000 0004 1936 8075Cancer Data Science Laboratory, National Cancer Institute, National Institutes of Health, Bethesda, MD USA
| | - Piyush Agrawal
- grid.48336.3a0000 0004 1936 8075Cancer Data Science Laboratory, National Cancer Institute, National Institutes of Health, Bethesda, MD USA
| | - Chi-Ping Day
- grid.94365.3d0000 0001 2297 5165Laboratory of Cancer Biology and Genetics National Cancer Institute, National Institutes of Health, Bethesda, MD USA
| | - Sridhar Hannenhalli
- grid.48336.3a0000 0004 1936 8075Cancer Data Science Laboratory, National Cancer Institute, National Institutes of Health, Bethesda, MD USA
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