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Murciano-Calles J, Rodríguez-Martínez A, Palencia A, Andújar-Sánchez M, Iglesias-Bexiga M, Corbi-Verge C, Buzón P, Ruiz-Sanz J, Martínez JC, Pérez-Sánchez H, Cámara-Artigas A, Luque I. Phage display identification of high-affinity ligands for human TSG101-UEV: A structural and thermodynamic study of PTAP recognition. Int J Biol Macromol 2024; 274:133233. [PMID: 38901510 DOI: 10.1016/j.ijbiomac.2024.133233] [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: 03/26/2024] [Revised: 06/06/2024] [Accepted: 06/15/2024] [Indexed: 06/22/2024]
Abstract
The ubiquitin E2 variant domain of TSG101 (TSG101-UEV) plays a pivotal role in protein sorting and virus budding by recognizing PTAP motifs within ubiquitinated proteins. Disrupting TSG101-UEV/PTAP interactions has emerged as a promising strategy for the development of novel host-oriented antivirals with a broad spectrum of action. Nonetheless, finding inhibitors with good properties as therapeutic agents remains a challenge since the key determinants of binding affinity and specificity are still poorly understood. Here we present a detailed thermodynamic, structural, and dynamic characterization viral PTAP Late domain recognition by TSG101-UEV, combining isothermal titration calorimetry, X-ray diffraction structural studies, molecular dynamics simulations, and computational analysis of intramolecular communication pathways. Our analysis highlights key contributions from conserved hydrophobic contacts and water-mediated hydrogen bonds at the PTAP binding interface. We have identified additional electrostatic hotspots adjacent to the core motif that modulate affinity. Using competitive phage display screening we have improved affinity by 1-2 orders of magnitude, producing novel peptides with low micromolar affinities that combine critical elements found in the best natural binders. Molecular dynamics simulations revealed that optimized peptides engage new pockets on the UEV domain surface. This study provides a comprehensive view of the molecular forces directing TSG101-UEV recognition of PTAP motifs, revealing that binding is governed by conserved structural elements yet tuneable through targeted optimization. These insights open new venues to design inhibitors targeting TSG101-dependent pathways with potential application as novel broad-spectrum antivirals.
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Affiliation(s)
- Javier Murciano-Calles
- Department of Physical Chemistry, Institute of Biotechnology and Unit of Excellence in Chemistry applied to Biomedicine and Environment, University of Granada, 18071 Granada, Spain
| | - Alejandro Rodríguez-Martínez
- Department of Physical Chemistry, Institute of Biotechnology and Unit of Excellence in Chemistry applied to Biomedicine and Environment, University of Granada, 18071 Granada, Spain; Structural Bioinformatics and High-Performance Computing (BIO-HPC) Research Group, Universidad Católica de Murcia (UCAM), Guadalupe, Spain
| | - Andrés Palencia
- Department of Physical Chemistry, Institute of Biotechnology and Unit of Excellence in Chemistry applied to Biomedicine and Environment, University of Granada, 18071 Granada, Spain
| | - Montserrat Andújar-Sánchez
- Department of Chemistry and Physics, Agrifood Campus of International Excellence (ceiA3) and CIAMBITAL, University of Almería, Carretera de Sacramento s/n 04120 Almería, Spain
| | - Manuel Iglesias-Bexiga
- Department of Physical Chemistry, Institute of Biotechnology and Unit of Excellence in Chemistry applied to Biomedicine and Environment, University of Granada, 18071 Granada, Spain
| | - Carles Corbi-Verge
- Department of Physical Chemistry, Institute of Biotechnology and Unit of Excellence in Chemistry applied to Biomedicine and Environment, University of Granada, 18071 Granada, Spain
| | - Pedro Buzón
- Department of Physical Chemistry, Institute of Biotechnology and Unit of Excellence in Chemistry applied to Biomedicine and Environment, University of Granada, 18071 Granada, Spain
| | - Javier Ruiz-Sanz
- Department of Physical Chemistry, Institute of Biotechnology and Unit of Excellence in Chemistry applied to Biomedicine and Environment, University of Granada, 18071 Granada, Spain
| | - Jose C Martínez
- Department of Physical Chemistry, Institute of Biotechnology and Unit of Excellence in Chemistry applied to Biomedicine and Environment, University of Granada, 18071 Granada, Spain
| | - Horacio Pérez-Sánchez
- Structural Bioinformatics and High-Performance Computing (BIO-HPC) Research Group, Universidad Católica de Murcia (UCAM), Guadalupe, Spain
| | - Ana Cámara-Artigas
- Department of Chemistry and Physics, Agrifood Campus of International Excellence (ceiA3) and CIAMBITAL, University of Almería, Carretera de Sacramento s/n 04120 Almería, Spain
| | - Irene Luque
- Department of Physical Chemistry, Institute of Biotechnology and Unit of Excellence in Chemistry applied to Biomedicine and Environment, University of Granada, 18071 Granada, Spain.
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2
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Shahi S, Kang T, Fonseka P. Extracellular Vesicles in Pathophysiology: A Prudent Target That Requires Careful Consideration. Cells 2024; 13:754. [PMID: 38727289 PMCID: PMC11083420 DOI: 10.3390/cells13090754] [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: 02/07/2024] [Revised: 04/22/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024] Open
Abstract
Extracellular vesicles (EVs) are membrane-bound particles released by cells to perform multitudes of biological functions. Owing to their significant implications in diseases, the pathophysiological role of EVs continues to be extensively studied, leading research to neglect the need to explore their role in normal physiology. Despite this, many identified physiological functions of EVs, including, but not limited to, tissue repair, early development and aging, are attributed to their modulatory role in various signaling pathways via intercellular communication. EVs are widely perceived as a potential therapeutic strategy for better prognosis, primarily through utilization as a mode of delivery vehicle. Moreover, disease-associated EVs serve as candidates for the targeted inhibition by pharmacological or genetic means. However, these attempts are often accompanied by major challenges, such as off-target effects, which may result in adverse phenotypes. This renders the clinical efficacy of EVs elusive, indicating that further understanding of the specific role of EVs in physiology may enhance their utility. This review highlights the essential role of EVs in maintaining cellular homeostasis under different physiological settings, and also discusses the various aspects that may potentially hinder the robust utility of EV-based therapeutics.
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Affiliation(s)
| | | | - Pamali Fonseka
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC 3086, Australia; (S.S.); (T.K.)
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3
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Ziemiński R, Stupak A, Kwiatek M, Gęca T, Warowicka A, Hejne K, Kwaśniewska A, Goździcka-Józefiak A, Kwaśniewski W. Analysis of the Expression of LSF Transcription Factor in the Regulation of Transcription and TSG101 during the Neoplastic Transformation of Endometrial Cells. Cells 2024; 13:580. [PMID: 38607019 PMCID: PMC11011417 DOI: 10.3390/cells13070580] [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: 02/28/2024] [Revised: 03/23/2024] [Accepted: 03/23/2024] [Indexed: 04/13/2024] Open
Abstract
Previous research indicates that carcinogenesis involves disrupting the functions of numerous genes, including factors involved in the regulation of transcription and cell proliferation. For these reasons, in endometrial carcinogenesis, we decided to investigate the expression of TSG101 (a suppressor of tumor transformation) and LSF (a transcription factor involved in numerous cellular processes, such as cell cycle regulation, cell growth, development, and apoptosis). LSF may be involved in the regulation of TSG101 expression. The research material consisted of endometrial cancer samples from 60 patients. The control group consisted of normal endometrium samples donated by 60 women undergoing surgery for benign diseases of the female reproductive organs. The samples were subjected to immunohistochemical staining with antibodies specific to TSG101 and LSF. Specific antibodies were used to identify TSG101 and LSF in the examined histopathological preparations. An approximately 14-fold lower risk of endometrial cancer development was observed in patients with TSG expression in more than 75% of the assessed cells (4% vs. 36%; OR = 0.07; p = 0.0182). There was a four-fold lower risk of endometrial cancer development in patients with LSF expression in more than 50% of the assessed cells (32% vs. 64%; OR = 0.26; p = 0.0262). A more than three-fold lower risk of endometrial cancer development was observed in patients with LSF expression in more than 75% of the assessed cells (24% vs. 52%; OR = 0.29; p = 0.0454). Endometrial cancer was diagnosed in those with a lower level of TSG101 expression than in those with a cancer-free endometrium. Decreased expression of TSG101 may be a marker of endometrial cancer, and increased expression of LSF when diagnosed with endometrial cancer may indicate greater advancement of the disease. These markers might be used as diagnostic and prognostic markers-however, there is a lack of a correlation between them.
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Affiliation(s)
- Rafał Ziemiński
- Department of Obstetrics and Pathology of Pregnancy, Medical University of Lublin, 20-059 Lublin, Poland; (R.Z.); (M.K.); (T.G.); (A.K.)
| | - Aleksandra Stupak
- Department of Obstetrics and Pathology of Pregnancy, Medical University of Lublin, 20-059 Lublin, Poland; (R.Z.); (M.K.); (T.G.); (A.K.)
| | - Maciej Kwiatek
- Department of Obstetrics and Pathology of Pregnancy, Medical University of Lublin, 20-059 Lublin, Poland; (R.Z.); (M.K.); (T.G.); (A.K.)
| | - Tomasz Gęca
- Department of Obstetrics and Pathology of Pregnancy, Medical University of Lublin, 20-059 Lublin, Poland; (R.Z.); (M.K.); (T.G.); (A.K.)
| | - Alicja Warowicka
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University in Poznan, 61-712 Poznań, Poland; (A.W.)
| | - Karolina Hejne
- Department of Pathomorphology and Forensic Medicine, School of Medicine, Collegium Medicum, University of Warmia and Mazury, 11-082 Olsztyn, Poland
| | - Anna Kwaśniewska
- Department of Obstetrics and Pathology of Pregnancy, Medical University of Lublin, 20-059 Lublin, Poland; (R.Z.); (M.K.); (T.G.); (A.K.)
| | - Anna Goździcka-Józefiak
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University in Poznan, 61-712 Poznań, Poland; (A.W.)
| | - Wojciech Kwaśniewski
- Department of Gynecology Oncology and Gynecology, Medical University of Lublin, 20-059 Lublin, Poland
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4
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Besharat ZM, Trocchianesi S, Verrienti A, Ciampi R, Cantara S, Romei C, Sabato C, Noviello TMR, Po A, Citarella A, Caruso FP, Panariello I, Gianno F, Carpino G, Gaudio E, Chiacchiarini M, Masuelli L, Sponziello M, Pecce V, Ramone T, Maino F, Dotta F, Ceccarelli M, Pezzullo L, Durante C, Castagna MG, Elisei R, Ferretti E. Circulating miR-26b-5p and miR-451a as diagnostic biomarkers in medullary thyroid carcinoma patients. J Endocrinol Invest 2023; 46:2583-2599. [PMID: 37286863 PMCID: PMC10632281 DOI: 10.1007/s40618-023-02115-2] [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: 03/18/2023] [Accepted: 05/15/2023] [Indexed: 06/09/2023]
Abstract
PURPOSE/METHODS The determination of tumour biomarkers is paramount to advancing personalized medicine, more so in rare tumours like medullary thyroid carcinoma (MTC), whose diagnosis is still challenging. The aim of this study was to identify non-invasive circulating biomarkers in MTC. To achieve this goal, paired MTC tissue and plasma extracellular vesicle samples were collected from multiple centres and microRNA (miRNA) expression levels were evaluated. RESULTS The samples from a discovery cohort of 23 MTC patients were analysed using miRNA arrays. Lasso logistic regression analysis resulted in the identification of a set of circulating miRNAs as diagnostic biomarkers. Among them, miR-26b-5p and miR-451a, were highly expressed and their expression decreased during follow-up in disease-free patients in the discovery cohort. Circulating miR-26b-5p and miR-451a were validated using droplet digital PCR in a second independent cohort of 12 MTC patients. CONCLUSION This study allowed the identification and validation of a signature of two circulating miRNAs, miR-26b-5p and miR-451a, in two independent cohorts reporting a significant diagnostic performance for MTC. The results of this study offer advancements in molecular diagnosis of MTC proposing a novel non-invasive tool to use in precision medicine.
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Affiliation(s)
- Z M Besharat
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - S Trocchianesi
- Department of Molecular Medicine, Sapienza University of Rome, 00161, Rome, Italy
| | - A Verrienti
- Department of Translational and Precision Medicine, Sapienza University of Rome, 00161, Rome, Italy
| | - R Ciampi
- Endocrine Unit, Department of Clinical and Experimental Medicine, University of Pisa, 56126, Pisa, Italy
| | - S Cantara
- Department of Medical, Surgical and Neurological Sciences, University of Siena, 53100, Siena, Italy
| | - C Romei
- Endocrine Unit, Department of Clinical and Experimental Medicine, University of Pisa, 56126, Pisa, Italy
| | - C Sabato
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - T M R Noviello
- Biogem Scarl, Istituto di Ricerche Genetiche "Gaetano Salvatore", 83031, Ariano Irpino, Italy
- Department of Electrical Engineering and Information Technology, University of Naples Federico II, 80138, Naples, Italy
| | - A Po
- Department of Molecular Medicine, Sapienza University of Rome, 00161, Rome, Italy
| | - A Citarella
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - F P Caruso
- Biogem Scarl, Istituto di Ricerche Genetiche "Gaetano Salvatore", 83031, Ariano Irpino, Italy
- Department of Electrical Engineering and Information Technology, University of Naples Federico II, 80138, Naples, Italy
| | - I Panariello
- Thyroid Surgical Unit, IRCCS Fondazione G.Pascale, 80131, Naples, Italy
| | - F Gianno
- Department of Radiological, Oncological and Anatomo-Pathological Sciences, Sapienza University of Rome, 00161, Rome, Italy
| | - G Carpino
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics Sciences, Sapienza University of Rome, Rome, Italy
| | - E Gaudio
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics Sciences, Sapienza University of Rome, Rome, Italy
| | - M Chiacchiarini
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - L Masuelli
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - M Sponziello
- Department of Translational and Precision Medicine, Sapienza University of Rome, 00161, Rome, Italy
| | - V Pecce
- Department of Translational and Precision Medicine, Sapienza University of Rome, 00161, Rome, Italy
| | - T Ramone
- Endocrine Unit, Department of Clinical and Experimental Medicine, University of Pisa, 56126, Pisa, Italy
| | - F Maino
- Department of Medical, Surgical and Neurological Sciences, University of Siena, 53100, Siena, Italy
| | - F Dotta
- Department of Medical, Surgical and Neurological Sciences, University of Siena, 53100, Siena, Italy
- Tuscany Centre for Precision Medicine (CReMeP), 53100, Siena, Italy
| | - M Ceccarelli
- Biogem Scarl, Istituto di Ricerche Genetiche "Gaetano Salvatore", 83031, Ariano Irpino, Italy
- Department of Electrical Engineering and Information Technology, University of Naples Federico II, 80138, Naples, Italy
| | - L Pezzullo
- Thyroid Surgical Unit, IRCCS Fondazione G.Pascale, 80131, Naples, Italy
| | - C Durante
- Department of Translational and Precision Medicine, Sapienza University of Rome, 00161, Rome, Italy.
| | - M G Castagna
- Department of Medical, Surgical and Neurological Sciences, University of Siena, 53100, Siena, Italy
| | - R Elisei
- Endocrine Unit, Department of Clinical and Experimental Medicine, University of Pisa, 56126, Pisa, Italy
| | - E Ferretti
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy.
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5
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Turner NP, Abeysinghe P, Sadowski P, Mitchell MD. Omics Analysis of Extracellular Vesicles Recovered from Infant Formula Products and Milk: Towards Personalized Infant Nutrition. Mol Nutr Food Res 2023; 67:e2300404. [PMID: 37562982 DOI: 10.1002/mnfr.202300404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/26/2023] [Indexed: 08/12/2023]
Abstract
SCOPE Milk and milk products such as infant formula (IF) play a fundamental role in serving the nutritional needs of the developing infant. Extracellular vesicles (EVs) in human (HM) and cow milk (CM) contain molecular cargo such as proteins and micro(mi)RNAs that serve as functional messengers between cells and may be of importance to infant health. Most IF is derived from a CM protein base, however differences between HM and CM EV molecular cargo have not been extensively studied. METHODS AND RESULTS This study develops a pipeline using advanced proteomics and transcriptomics to enable cross-species comparison of milk and IF EVs. The number of nanoparticles per mL of IF is significantly reduced compared to unprocessed CM. 130 proteins and 514 miRNAs are differentially abundant between HM and CM EVs. While 90% of CM EV miRNAs are also identified in IF EVs, only 20% of CM EV proteins are identified in IF EVs. CONCLUSIONS This workflow identifies key species-specific differences that can be used to optimize IF recipes and enhance infant nutrition. Improved preservation of EV functional molecular cargo in IF products is of critical importance to retaining molecular drivers of good health and should be the focus of future investigations.
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Affiliation(s)
- Natalie P Turner
- Centre for Children's Health Research (CCHR), Queensland University of Technology (QUT), 62 Graham Street, South Brisbane, QLD, 4101, Australia
| | - Pevindu Abeysinghe
- Centre for Children's Health Research (CCHR), Queensland University of Technology (QUT), 62 Graham Street, South Brisbane, QLD, 4101, Australia
| | - Pawel Sadowski
- Central Analytical Research Facility (CARF), QUT, Gardens Point Campus, 2 George Street, Brisbane City, QLD, 4000, Australia
| | - Murray D Mitchell
- Centre for Children's Health Research (CCHR), Queensland University of Technology (QUT), 62 Graham Street, South Brisbane, QLD, 4101, Australia
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Yamaguchi A, Tsuruya Y, Igarashi K, Jin Z, Yamazaki-Takai M, Takai H, Nakayama Y, Ogata Y. Changes in the components of salivary exosomes due to initial periodontal therapy. J Periodontal Implant Sci 2023; 53:347-361. [PMID: 36919005 PMCID: PMC10627739 DOI: 10.5051/jpis.2203700185] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 11/21/2022] [Accepted: 12/12/2022] [Indexed: 02/10/2023] Open
Abstract
PURPOSE Exosomes are membrane vesicles that are present in body fluids and contain proteins, lipids, and microRNA (miRNA). Periodontal tissue examinations assess the degree of periodontal tissue destruction according to the probing depth (PD), clinical attachment loss (CAL), bleeding on probing, and X-ray examinations. However, the accurate evaluation of the prognosis of periodontitis is limited. In this study, we collected saliva from patients before and after initial periodontal therapy (IPT) and compared changes in the clinical parameters of periodontitis with changes in the components of salivary exosomes. METHODS Saliva was collected from patients with stage III and IV periodontitis at the first visit and post-IPT. Exosomes were purified from the saliva, and total protein and RNA were extracted. Changes in expression levels of C6, CD81, TSG101, HSP70, and 6 kinds of miRNA were analyzed by western blots and real-time polymerase chain reaction. RESULTS Patients with increased C6 expression after IPT had significantly higher levels of periodontal inflamed surface area (PISA), miR-142, and miR-144 before and after IPT than patients with decreased C6 expression after IPT. Patients with decreased and unchanged CD81 expression after IPT showed significantly higher PD, CAL, and PISA before IPT than after IPT. Patients with decreased and unchanged TSG101 expression after IPT had significantly higher PD before IPT than after IPT. Patients with increased HSP70 expression after IPT had significantly higher PD and PISA before and after IPT than patients with unchanged HSP70 after IPT. The expression levels of miR-142, miR-144, miR-200b, and miR-223 changed with changes in the levels of C6, CD81, TSG101, and HSP70 in the salivary exosomes of periodontitis patients before and after IPT. CONCLUSIONS The expression levels of proteins and miRNAs in salivary exosomes significantly changed after IPT in periodontitis patients, suggesting that the components of exosomes could serve as biomarkers for periodontitis.
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Affiliation(s)
- Arisa Yamaguchi
- Department of Periodontology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Yuto Tsuruya
- Department of Periodontology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Kazuma Igarashi
- Department of Periodontology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Zhenyu Jin
- Department of Periodontology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Mizuho Yamazaki-Takai
- Department of Periodontology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Hideki Takai
- Department of Periodontology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Yohei Nakayama
- Department of Periodontology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Yorimasa Ogata
- Department of Periodontology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan.
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7
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Velázquez-Cervantes MA, Benítez-Zeferino YR, Flores-Pliego A, Helguera-Repetto AC, Meza-Sánchez DE, Maravillas-Montero JL, León-Reyes G, Mancilla-Ramírez J, Cerna-Cortés JF, Baeza-Ramírez MI, León-Juaárez M. A Review Study of the Participation of Late Domains in Sorting and Transport of Viral Factors to Exosomes. Life (Basel) 2023; 13:1842. [PMID: 37763246 PMCID: PMC10532540 DOI: 10.3390/life13091842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/23/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Cellular communication depends heavily on the participation of vesicular systems generated by most cells of an organism. Exosomes play central roles in this process. Today, these vesicles have been characterized, and it has been determined that the cargo they transport is not within a random system. In fact, it depends on various molecular signals and the recruitment of proteins that participate in the biogenesis of exosomes. It has also been shown that multiple viruses can recruit these vesicles to transport viral factors such as genomes or proteins. It has been shown that the late domains present in viral proteins are critical for the exosomal selection and biogenesis systems to recognize these viral proteins and introduce them into the exosomes. In this review, the researchers discuss the evidence related to the characterization of these late domains and their role in exosome recruitment during viral infection.
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Affiliation(s)
- Manuel Adrián Velázquez-Cervantes
- Laboratorio de Virología Perinatal y Diseño Molecular de Antígenos y Biomarcadores, Departamento de Inmunobioquímica, Instituto Nacional de Perinatología, Mexico City 11000, Mexico; (M.A.V.-C.); (Y.R.B.-Z.)
- Laboratorio de Biomembranas, Departamento de Bioquimica, Escueala Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 11340, Mexico;
| | - Yazmín Rocío Benítez-Zeferino
- Laboratorio de Virología Perinatal y Diseño Molecular de Antígenos y Biomarcadores, Departamento de Inmunobioquímica, Instituto Nacional de Perinatología, Mexico City 11000, Mexico; (M.A.V.-C.); (Y.R.B.-Z.)
- Laboratorio de Microbiología Molecular, Departamento de Microbiología, Escuela Nacional de Ciencias Biologícas, Instituto Politécnico Nacional, Mexico City 11340, Mexico;
| | - Arturo Flores-Pliego
- Departamento de Inmunobioquimica, Instituto Nacional de Perinatología, Mexico City 11000, Mexico; (A.F.-P.); (A.C.H.-R.)
| | - Addy Cecilia Helguera-Repetto
- Departamento de Inmunobioquimica, Instituto Nacional de Perinatología, Mexico City 11000, Mexico; (A.F.-P.); (A.C.H.-R.)
| | - David Eduardo Meza-Sánchez
- Red de Apoyo a la Investigación, Coordinación de la Investigación Científica, Universidad Nacional Autonóma de México, e Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City 04510, Mexico; (D.E.M.-S.); (J.L.M.-M.)
| | - José Luis Maravillas-Montero
- Red de Apoyo a la Investigación, Coordinación de la Investigación Científica, Universidad Nacional Autonóma de México, e Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City 04510, Mexico; (D.E.M.-S.); (J.L.M.-M.)
| | - Guadalupe León-Reyes
- Laboratorio de Nutrigenómica y Nutrigenética, Instituto Nacional de Medicina Genómica (INMEGEN), Ciudad de México 14610, Mexico;
| | - Javier Mancilla-Ramírez
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City 113440, Mexico;
- Hospital de la Mujer, Secretaría de Salud, Mexico City 11340, Mexico
| | - Jorge Francisco Cerna-Cortés
- Laboratorio de Microbiología Molecular, Departamento de Microbiología, Escuela Nacional de Ciencias Biologícas, Instituto Politécnico Nacional, Mexico City 11340, Mexico;
| | - María Isabel Baeza-Ramírez
- Laboratorio de Biomembranas, Departamento de Bioquimica, Escueala Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 11340, Mexico;
| | - Moises León-Juaárez
- Laboratorio de Virología Perinatal y Diseño Molecular de Antígenos y Biomarcadores, Departamento de Inmunobioquímica, Instituto Nacional de Perinatología, Mexico City 11000, Mexico; (M.A.V.-C.); (Y.R.B.-Z.)
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8
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Cen X, Li Z, Chen X. Ubiquitination in the regulation of autophagy. Acta Biochim Biophys Sin (Shanghai) 2023; 55:1348-1357. [PMID: 37587758 PMCID: PMC10520486 DOI: 10.3724/abbs.2023149] [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: 04/08/2023] [Accepted: 06/01/2023] [Indexed: 08/18/2023] Open
Abstract
Autophagy, an efficient and effective approach to clear rapidly damaged organelles, macromolecules, and other harmful cellular components, enables the recycling of nutrient materials and supply of nutrients to maintain cellular homeostasis. Ubiquitination plays an important regulatory role in autophagy. This paper summarizes the most recent progress in ubiquitin modification in various stages of autophagy, including initiation, elongation, and termination. Moreover, this paper shows that ubiquitination is an important way through which selective autophagy achieves substrate specificity. Furthermore, we note the distinction between monoubiquitination and polyubiquitination in the regulation of autophagy. Compared with monoubiquitination, polyubiquitination is a more common strategy to regulate the activity of the autophagy molecular machinery. In addition, the role of ubiquitination in the closure and fusion of autophagosomes warrants further study. This article not only clarifies the regulatory mechanism of autophagy but also contributes to a deeper understanding of the importance of ubiquitination modification.
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Affiliation(s)
- Xueyan Cen
- Hubei Key laboratory of Edible Wild Plants Conservation & UtilizationHubei Engineering Research Center of Special Wild Vegetables Breeding and Comprehensive Utilization TechnologySchool of Life ScienceHubei Normal UniversityHuangshi435002China
| | - Ziling Li
- Hubei Key laboratory of Edible Wild Plants Conservation & UtilizationHubei Engineering Research Center of Special Wild Vegetables Breeding and Comprehensive Utilization TechnologySchool of Life ScienceHubei Normal UniversityHuangshi435002China
| | - Xinpeng Chen
- Hubei Key laboratory of Edible Wild Plants Conservation & UtilizationHubei Engineering Research Center of Special Wild Vegetables Breeding and Comprehensive Utilization TechnologySchool of Life ScienceHubei Normal UniversityHuangshi435002China
- National Laboratory of BiomacromoleculesCAS Center for Excellence in BiomacromoleculesInstitute of BiophysicsChinese Academy of SciencesBeijing100101China
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9
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Kim E, Cho H, Lee G, Baek H, Lee IY, Choi EJ. TSG101 Physically Interacts with Linear Ubiquitin Chain Assembly Complex (LUBAC) and Upregulates the TNFα-Induced NF-κB Activation. Mol Cells 2023; 46:430-440. [PMID: 37431163 PMCID: PMC10336271 DOI: 10.14348/molcells.2023.0026] [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: 02/01/2023] [Revised: 03/21/2023] [Accepted: 03/26/2023] [Indexed: 07/12/2023] Open
Abstract
Linear ubiquitin chain assembly complex (LUBAC) is a ubiquitin E3 ligase complex composed of HOIP, HOIL-1L, and SHARPIN that catalyzes the formation of linear/M1- linked ubiquitin chain. It has been shown to play a pivotal role in the nuclear factor (NF)-κB signaling induced by proinflammatory stimuli. Here, we found that tumor susceptibility gene (TSG101) physically interacts with HOIP, a catalytic component of LUBAC, and potentiates LUBAC activity. Depletion of TSG101 expression by RNA interference decreased TNFα-induced linear ubiquitination and the formation of TNFα receptor 1 signaling complex (TNFRSC). Furthermore, TSG101 facilitated the TNFα-induced stimulation of the NF-κB pathway. Thus, we suggest that TSG101 functions as a positive modulator of HOIP that mediates TNFα-induced NF-κB signaling pathway.
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Affiliation(s)
- Eunju Kim
- Laboratory of Cell Death and Human Diseases, Department of Life Sciences, Korea University, Seoul 02841, Korea
| | - Hyunchu Cho
- Laboratory of Cell Death and Human Diseases, Department of Life Sciences, Korea University, Seoul 02841, Korea
| | - Gaeul Lee
- Laboratory of Cell Death and Human Diseases, Department of Life Sciences, Korea University, Seoul 02841, Korea
| | - Heawon Baek
- Laboratory of Cell Death and Human Diseases, Department of Life Sciences, Korea University, Seoul 02841, Korea
| | - In Young Lee
- Laboratory of Cell Death and Human Diseases, Department of Life Sciences, Korea University, Seoul 02841, Korea
| | - Eui-Ju Choi
- Laboratory of Cell Death and Human Diseases, Department of Life Sciences, Korea University, Seoul 02841, Korea
- GNT Science & Technology Center for Health, GNT Pharma Co., Ltd., Yongin 17096, Korea
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10
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Moschidi D, Cantrelle FX, Boll E, Hanoulle X. Backbone NMR resonance assignment of the apo human Tsg101-UEV domain. BIOMOLECULAR NMR ASSIGNMENTS 2023; 17:49-54. [PMID: 36740661 DOI: 10.1007/s12104-023-10119-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 01/24/2023] [Indexed: 06/02/2023]
Abstract
The Endosomal Sorting Complex Required for Transport (ESCRT) pathway, through inverse topology membrane remodeling, is involved in many biological functions, such as ubiquitinated membrane receptor trafficking and degradation, multivesicular bodies (MVB) formation and cytokinesis. Dysfunctions in ESCRT pathway have been associated to several human pathologies, such as cancers and neurodegenerative diseases. The ESCRT machinery is also hijacked by many enveloped viruses to bud away from the plasma membrane of infected cells. Human tumor susceptibility gene 101 (Tsg101) protein is an important ESCRT-I complex component. The structure of the N-terminal ubiquitin E2 variant (UEV) domain of Tsg101 (Tsg101-UEV) comprises an ubiquitin binding pocket next to a late domain [P(S/T)AP] binding groove. These two binding sites have been shown to be involved both in the physiological roles of ESCRT-I and in the release of the viral particles, and thus are attractive targets for antivirals. The structure of the Tsg101-UEV domain has been characterized, using X-ray crystallography or NMR spectroscopy, either in its apo-state or bound to ubiquitin or late domains. In this study, we report the backbone NMR resonance assignments, including the proline signals, of the apo human Tsg101-UEV domain, that so far was not publicly available. These data, that are in good agreement with the crystallographic structure of Tsg101-UEV domain, can therefore be used for further NMR studies, including protein-protein interaction studies and drug discovery.
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Affiliation(s)
- Danai Moschidi
- CNRS EMR9002 Integrative Structural Biology, F-59000, Lille, France
| | | | - Emmanuelle Boll
- CNRS EMR9002 Integrative Structural Biology, F-59000, Lille, France
| | - Xavier Hanoulle
- CNRS EMR9002 Integrative Structural Biology, F-59000, Lille, France.
- Determinants of Aging-Related Diseases, Univ. Lille, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular, F-59000, Inserm, Lille, France.
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11
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Seder I, Moon H, Kang SJ, Shin S, Rhee WJ, Kim SJ. Size-selective filtration of extracellular vesicles with a movable-layer device. LAB ON A CHIP 2022; 22:3699-3707. [PMID: 36000519 DOI: 10.1039/d2lc00441k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
This paper presents a microfluidic device that can isolate extracellular vesicles (EVs) with multiple size intervals in a simple, effective, and automated manner. We accomplish this size-selective separation using a vertically movable plunger and a rotationally movable chip. The chip has open chambers with nanoporous filters that are sequentially connected by check valves. The plunger speed is adjusted to reduce chamber pressurization in order to prevent EV deformation, thereby achieving a high separation resolution. Herein, high-purity EVs with a purity ten times higher than that of ultracentrifugation were obtained by washing three times with a high EV recovery rate of 89%. For the analysis of device performance, we used polymer nanobeads, preformed liposomes, and canine blood plasma. To demonstrate the utility of the device, we applied size-selective isolation to EVs that were secreted by endothelial cells under shear flow. The results revealed that the cells secreted more EVs of larger size, the expression of CD63 protein was higher for EVs with a larger size, and a high amount of TSG101 protein was expressed under the condition of no shear flow. This device is envisioned to facilitate molecular analysis and EV-based biomarker discovery that use various biofluids, including blood plasma, urine, and cell culture supernatants. Our device automates size-selective EV filtration that requires laborious multiple washing and separation steps.
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Affiliation(s)
- Islam Seder
- Department of Mechanical Engineering, Konkuk University, Seoul, 05029, Republic of Korea.
| | - Hyomin Moon
- Department of Mechanical Engineering, Konkuk University, Seoul, 05029, Republic of Korea.
| | - Su Jin Kang
- Department of Bioengineering and Nano-Bioengineering, Incheon National University, Incheon, 22012, Republic of Korea.
| | - Sehyun Shin
- Department of Mechanical Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Won Jong Rhee
- Department of Bioengineering and Nano-Bioengineering, Incheon National University, Incheon, 22012, Republic of Korea.
- Research Center for Bio Materials & Process Development, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea
| | - Sung-Jin Kim
- Department of Mechanical Engineering, Konkuk University, Seoul, 05029, Republic of Korea.
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12
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Applications of Exosomes in Diagnosing Muscle Invasive Bladder Cancer. Pharmaceutics 2022; 14:pharmaceutics14102027. [PMID: 36297462 PMCID: PMC9607910 DOI: 10.3390/pharmaceutics14102027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/17/2022] [Accepted: 09/20/2022] [Indexed: 11/30/2022] Open
Abstract
Muscle Invasive Bladder Cancer (MIBC) is a subset of bladder cancer with a significant risk for metastases and death. It accounts for nearly 25% of bladder cancer diagnoses. A diagnostic work-up for MIBC is inclusive of urologic evaluation, radiographic imaging with a CT scan, urinalysis, and cystoscopy. These evaluations, especially cystoscopy, are invasive and carry the risk of secondary health concerns. Non-invasive diagnostics such as urine cytology are an attractive alternative currently being investigated to mitigate the requirement for cystoscopy. A pitfall in urine cytology is the lack of available options with high reliability, specificity, and sensitivity to malignant bladder cells. Exosomes are a novel biomarker source which could resolve some of the concerns with urine cytology, due to the high specificity as the surrogates of tumor cells. This review serves to define muscle invasive bladder cancer, current urine cytology methods, the role of exosomes in MIBC, and exosomes application as a diagnostic tool in MIBC. Urinary exosomes as the specific populations of extracellular vesicles could provide additional biomarkers with specificity and sensitivity to bladder malignancies, which are a consistent source of cellular information to direct clinicians for developing treatment strategies. Given its strong presence and differentiation ability between normal and cancerous cells, exosome-based urine cytology is highly promising in providing a perspective of a patient’s bladder cancer.
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13
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Tufan AB, Lazarow K, Kolesnichenko M, Sporbert A, von Kries JP, Scheidereit C. TSG101 associates with PARP1 and is essential for PARylation and DNA damage-induced NF-κB activation. EMBO J 2022; 41:e110372. [PMID: 36124865 DOI: 10.15252/embj.2021110372] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 08/11/2022] [Accepted: 08/25/2022] [Indexed: 11/09/2022] Open
Abstract
In a genome-wide screening for components of the dsDNA-break-induced IKK-NF-κB pathway, we identified scores of regulators, including tumor susceptibility gene TSG101. TSG101 is essential for DNA damage-induced formation of cellular poly(ADP-ribose) (PAR). TSG101 binds to PARP1 and is required for PARP1 activation. This function of TSG101 is independent of its role in the ESCRT-I endosomal sorting complex. In the absence of TSG101, the PAR-dependent formation of a nuclear PARP1-IKKγ signalosome, which triggers IKK activation, is impaired. According to its requirement for PARP1 and NF-κB activation, TSG101-deficient cells are defective in DNA repair and apoptosis protection. Loss of TSG101 results in PARP1 trapping at damage sites and mimics the effect of pharmacological PARP inhibition. We also show that the loss of TSG101 in connection with inactivated tumor suppressors BRCA1/2 in breast cancer cells is lethal. Our results imply TSG101 as a therapeutic target to achieve synthetic lethality in cancer treatment.
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Affiliation(s)
- Ahmet Buğra Tufan
- Laboratory for Signal Transduction in Tumor Cells, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Katina Lazarow
- Leibniz-Forschungsinstitut for Molecular Pharmacology (FMP), Berlin, Germany
| | - Marina Kolesnichenko
- Laboratory for Signal Transduction in Tumor Cells, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany.,Department of Hepatology and Gastroenterology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Anje Sporbert
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Advanced Light Microscopy Technology Platform, Berlin, Germany
| | | | - Claus Scheidereit
- Laboratory for Signal Transduction in Tumor Cells, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
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14
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Ubiquitination of the ubiquitin-binding machinery: how early ESCRT components are controlled. Essays Biochem 2022; 66:169-177. [PMID: 35352804 PMCID: PMC9400068 DOI: 10.1042/ebc20210042] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/04/2022] [Accepted: 03/16/2022] [Indexed: 12/22/2022]
Abstract
To be able to quickly and accurately respond to the environment, cells need to tightly control the amount and localization of plasma membrane proteins. The post-translation modification by the protein modifier ubiquitin is the key signal for guiding membrane-associated cargo to the lysosome/vacuole for their degradation. The machinery responsible for such sorting contains several subunits that function as ubiquitin receptors, many of which are themselves subjected to ubiquitination. This review will focus on what is currently known about the modulation of the machinery itself by ubiquitination and how this might affect its function with a special emphasis on current findings from the plant field.
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15
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Byun H, Kwon S, Wagner KU, Shin H, Lim HJ. Tumor susceptibility gene 101 is required for the maintenance of uterine epithelial cells during embryo implantation. Reprod Biol Endocrinol 2021; 19:112. [PMID: 34271917 PMCID: PMC8283893 DOI: 10.1186/s12958-021-00788-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 06/18/2021] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The tumor susceptibility gene 101 (Tsg101), a component of the endosomal sorting complex required for transport (ESCRT) complex I, is involved in multiple biological processes involving endomembranous structures and the plasma membrane. The role of Tsg101 in the uterine epithelium was investigated in Tsg101 floxed mice crossed with Lactoferrin-iCre mice (Tsg101d/d). METHODS Tsg101d/d mice were bred with stud male mice and the status of pregnancy was examined on days 4 and 6. Histological analyses were performed to examine the uterine architecture. Immunofluorescence staining of several markers was examined by confocal microscopy. Uterine epithelial cells (UECs) were isolated from Tsg101f/f and Tsg101d/d mice, and the expression of necroptosis effectors was examined by RT-PCR, western blotting, and immunofluorescence staining. UECs were also subjected to RNA expression profiling. RESULTS Tsg101d/d female mice were subfertile with implantation failure, showing unattached blastocysts on day 6 of pregnancy. Histological and marker analyses revealed that some Tsg101d/d day 4 pregnant uteri showed a disintegrated uterine epithelial structure. Tsg101d/d UECs began to degenerate within 18 h of culture. In UECs, expression of necroptosis effectors, such as RIPK1, RIPK3, and MLKL were first confirmed. UECs responded to a stimulus to activate necroptosis and showed increased cell death. CONCLUSIONS Tsg101 deficiency in the uterine epithelium causes implantation failure, which may be caused by epithelial defects. This study provides evidence that UECs harbor a necroptotic machinery that responds to death-inducing signals. Thus, Tsg101 expression in the uterine epithelium is required for normal pregnancy in mice.
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Affiliation(s)
- Hyunji Byun
- Department of Veterinary Medicine, School of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Sojung Kwon
- Department of Veterinary Medicine, School of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Kay-Uwe Wagner
- Department of Oncology, Wayne State University School of Medicine and Tumor Biology Program, Barbara Ann Karmanos Cancer Institute, 4100 John R, EL01TM, Detroit, MI, 48201, USA
| | - Hyejin Shin
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon, 34054, Republic of Korea
| | - Hyunjung Jade Lim
- Department of Veterinary Medicine, School of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea.
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16
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Otani Y, Fujita KI, Kameyama T, Mayeda A. The Exon Junction Complex Core Represses Cancer-Specific Mature mRNA Re-splicing: A Potential Key Role in Terminating Splicing. Int J Mol Sci 2021; 22:ijms22126519. [PMID: 34204574 PMCID: PMC8234774 DOI: 10.3390/ijms22126519] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 06/08/2021] [Indexed: 02/08/2023] Open
Abstract
Using TSG101 pre-mRNA, we previously discovered cancer-specific re-splicing of mature mRNA that generates aberrant transcripts/proteins. The fact that mRNA is aberrantly re-spliced in various cancer cells implies there must be an important mechanism to prevent deleterious re-splicing on the spliced mRNA in normal cells. We thus postulated that mRNA re-splicing is controlled by specific repressors, and we searched for repressor candidates by siRNA-based screening for mRNA re-splicing activity. We found that knock-down of EIF4A3, which is a core component of the exon junction complex (EJC), significantly promoted mRNA re-splicing. Remarkably, we could recapitulate cancer-specific mRNA re-splicing in normal cells by knock-down of any of the core EJC proteins, EIF4A3, MAGOH, or RBM8A (Y14), implicating the EJC core as the repressor of mRNA re-splicing often observed in cancer cells. We propose that the EJC core is a critical mRNA quality control factor to prevent over-splicing of mature mRNA.
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Affiliation(s)
- Yuta Otani
- Division of Gene Expression Mechanism, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake 470-1192, Aichi, Japan; (Y.O.); (K.-i.F.)
- Laboratories of Discovery Research, Nippon Shinyaku Co., Ltd., Kyoto 601-8550, Kyoto, Japan
| | - Ken-ichi Fujita
- Division of Gene Expression Mechanism, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake 470-1192, Aichi, Japan; (Y.O.); (K.-i.F.)
| | - Toshiki Kameyama
- Division of Gene Expression Mechanism, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake 470-1192, Aichi, Japan; (Y.O.); (K.-i.F.)
- Department of Physiology, School of Medicine, Fujita Health University, Toyoake 470-1192, Aichi, Japan
- Correspondence: (T.K.); (A.M.)
| | - Akila Mayeda
- Division of Gene Expression Mechanism, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake 470-1192, Aichi, Japan; (Y.O.); (K.-i.F.)
- Correspondence: (T.K.); (A.M.)
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17
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Exosomal microRNA in Pancreatic Cancer Diagnosis, Prognosis, and Treatment: From Bench to Bedside. Cancers (Basel) 2021; 13:cancers13112777. [PMID: 34204940 PMCID: PMC8199777 DOI: 10.3390/cancers13112777] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/26/2021] [Accepted: 05/28/2021] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Pancreatic cancer is the fourth leading cause of cancer death in the United States and over 90% of the patients suffer from pancreatic ductal adenocarcinoma (PDAC). PDAC is the most lethal gastrointestinal malignancies and only 10% of the people survive more than 5 years, therefore, novel diagnostic, prognostic, and therapeutic strategies are an immediate necessity. Studies have demonstrated microRNAs in bodily fluids that are bound with membranes (exosomes) can act as stable biomarkers both for disease development and metastasis. The diagnostic, prognostic, as well as therapeutic roles of exosomal microRNAs in pancreatic cancer have been discussed in this review. Abstract Pancreatic cancer is the fourth leading cause of cancer death among men and women in the United States, and pancreatic ductal adenocarcinoma (PDAC) accounts for more than 90% of pancreatic cancer cases. PDAC is one of the most lethal gastrointestinal malignancies with an overall five-year survival rate of ~10%. Developing effective therapeutic strategies against pancreatic cancer is a great challenge. Novel diagnostic, prognostic, and therapeutic strategies are an immediate necessity to increase the survival of pancreatic cancer patients. So far, studies have demonstrated microRNAs (miRNAs) as sensitive biomarkers because of their significant correlation with disease development and metastasis. The miRNAs have been shown to be more stable inside membrane-bound vesicles in the extracellular environment called exosomes. Varieties of miRNAs are released into the body fluids via exosomes depending on the normal physiological or pathological conditions of the body. In this review, we discuss the recent findings on the diagnostic, prognostic, and therapeutic roles of exosomal miRNAs in pancreatic cancer.
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18
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Pavlov YI. The Study of Cancer Susceptibility Genes. Cancers (Basel) 2021; 13:cancers13092258. [PMID: 34066717 PMCID: PMC8125815 DOI: 10.3390/cancers13092258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 04/21/2021] [Indexed: 11/24/2022] Open
Affiliation(s)
- Youri I. Pavlov
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA;
- Departments of Biochemistry and Molecular Biology, Microbiology and Pathology, Genetics Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Department of Genetics and Biotechnology, Saint-Petersburg State University, 199034 Saint-Petersburg, Russia
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Gheytanchi E, Saeednejad Zanjani L, Ghods R, Abolhasani M, Shahin M, Vafaei S, Naseri M, Fattahi F, Madjd Z. High expression of tumor susceptibility gene 101 (TSG101) is associated with more aggressive behavior in colorectal carcinoma. J Cancer Res Clin Oncol 2021; 147:1631-1646. [PMID: 33616717 DOI: 10.1007/s00432-021-03561-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/08/2021] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Identification of genetic determinants such as exosomal content that drives progression and metastasis of colorectal cancer (CRC) has received considerable attention. The present study aims to identify a suitable biomarker in CRC tissues and exosomes based on bioinformatics data to evaluate its expression patterns in CRC tissues as well as its clinicopathological significance. MATERIALS AND METHODS Protein-protein interaction (PPI) network and enrichment analysis were applied to identify up-regulated genes that contributed in CRC exosomes to select the marker. The expression patterns and clinical significance of selected exosomal marker were evaluated in tissue microarrays (TMAs) of 445 CRC tumors and 39 adjacent normal tissues using immunohistochemistry method. RESULTS Based on bioinformatics data, TSG101 gene was prominent amongst the tumor tissues and exosomes. Expression of TSG101 was significantly up-regulated in tumor cells compared to adjacent normal tissues (p-value = 0.04). Moreover, higher expressions of TSG101 (cytoplasmic and nuclear) were significantly associated with tumor differentiation (p-value = 0.042) and distant metastasis (p-value = 0.027). A significant association was found in the cytoplasmic expression of TSG101 between well and moderate tumor differentiation (p-value = 0.005) as well as moderate and poor differentiation (p-value = 0.050). CONCLUSION These findings indicate that the exploration of crosstalk between exosome content and CRC may be valuable for the development of novel exosomal biomarkers. Increased expression of TSG101, as a promising exosome marker, is more associated with more aggressive tumor behaviors, metastasis, and progression of CRC, which paves the way for therapeutic strategies and CRC management. However, further investigations are warranted to clarify the molecular mechanisms of TSG101 in CRC.
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Affiliation(s)
- Elmira Gheytanchi
- Oncopathology Research Center, Department of Molecular Medicine, Iran University of Medical Sciences (IUMS), Hemmat Street (Highway), Tehran, 14496-14530, Iran
| | - Leili Saeednejad Zanjani
- Oncopathology Research Center, Department of Molecular Medicine, Iran University of Medical Sciences (IUMS), Hemmat Street (Highway), Tehran, 14496-14530, Iran
| | - Roya Ghods
- Oncopathology Research Center, Department of Molecular Medicine, Iran University of Medical Sciences (IUMS), Hemmat Street (Highway), Tehran, 14496-14530, Iran.
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Maryam Abolhasani
- Department of Pathology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Marzieh Shahin
- Department of Pathology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Somayeh Vafaei
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Marzieh Naseri
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Fahimeh Fattahi
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Madjd
- Oncopathology Research Center, Department of Molecular Medicine, Iran University of Medical Sciences (IUMS), Hemmat Street (Highway), Tehran, 14496-14530, Iran.
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
- Department of Pathology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
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Tsg101 Is Involved in the Sorting and Re-Distribution of Glucose Transporter-4 to the Sarcolemma Membrane of Cardiac Myocytes. Cells 2020; 9:cells9091936. [PMID: 32839388 PMCID: PMC7565110 DOI: 10.3390/cells9091936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/07/2020] [Accepted: 08/18/2020] [Indexed: 11/17/2022] Open
Abstract
Cardiac cells can adapt to pathological stress-induced energy crisis by shifting from fatty acid oxidation to glycolysis. However, the use of glucose-insulin-potassium (GIK) solution in patients undergoing cardiac surgery does not alleviate ischemia/reperfusion (I/R)-induced energy shortage. This indicates that insulin-mediated translocation of glucose transporter-4 (Glut-4) is impaired in ischemic hearts. Indeed, cardiac myocytes contain two intracellular populations of Glut-4: an insulin-dependent non-endosomal pool (also referred to as Glut-4 storage vesicles, GSVs) and an insulin-independent endosomal pool. Tumor susceptibility gene 101 (Tsg101) has been implicated in the endosomal recycling of membrane proteins. In this study, we aimed to examine whether Tsg101 regulated the sorting and re-distribution of Glut-4 to the sarcolemma membrane of cardiomyocytes under basal and ischemic conditions, using gain- and loss-of-function approaches. Forced overexpression of Tsg101 in mouse hearts and isolated cardiomyocytes could promote Glut-4 re-distribution to the sarcolemma, leading to enhanced glucose entry and adenosine triphosphate (ATP) generation in I/R hearts which in turn, attenuation of I/R-induced cardiac dysfunction. Conversely, knockdown of Tsg101 in cardiac myocytes exhibited opposite effects. Mechanistically, we identified that Tsg101 could interact and co-localize with Glut-4 in the sarcolemma membrane of cardiomyocytes. Our findings define Tsg101 as a novel regulator of cardiac Glut-4 trafficking, which may provide a new therapeutic strategy for the treatment of ischemic heart disease.
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