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Lu P, Simas TAM, Delpapa E, ZhuGe R. Bitter taste receptors in the reproductive system: Function and therapeutic implications. J Cell Physiol 2024; 239:e31179. [PMID: 38219077 PMCID: PMC10922893 DOI: 10.1002/jcp.31179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 11/21/2023] [Accepted: 12/11/2023] [Indexed: 01/15/2024]
Abstract
Type 2 taste receptors (TAS2Rs), traditionally known for their role in bitter taste perception, are present in diverse reproductive tissues of both sexes. This review explores our current understanding of TAS2R functions with a particular focus on reproductive health. In males, TAS2Rs are believed to play potential roles in processes such as sperm chemotaxis and male fertility. Genetic insights from mouse models and human polymorphism studies provide some evidence for their contribution to male infertility. In female reproduction, it is speculated that TAS2Rs influence the ovarian milieu, shaping the functions of granulosa and cumulus cells and their interactions with oocytes. In the uterus, TAS2Rs contribute to uterine relaxation and hold potential as therapeutic targets for preventing preterm birth. In the placenta, they are proposed to function as vigilant sentinels, responding to infection and potentially modulating mechanisms of fetal protection. In the cervix and vagina, their analogous functions to those in other extraoral tissues suggest a potential role in infection defense. In addition, TAS2Rs exhibit altered expression patterns that profoundly affect cancer cell proliferation and apoptosis in reproductive cancers. Notably, TAS2R agonists show promise in inducing apoptosis and overcoming chemoresistance in these malignancies. Despite these advances, challenges remain, including a lack of genetic and functional studies. The application of techniques such as single-cell RNA sequencing and clustered regularly interspaced palindromic repeats (CRISPR)/CRISPR-associated endonuclease 9 gene editing could provide deeper insights into TAS2Rs in reproduction, paving the way for novel therapeutic strategies for reproductive disorders.
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Affiliation(s)
- Ping Lu
- Department of Microbiology and Physiological System, UMass Chan Medical School, 363 Plantation St., Worcester, MA, USA
| | - Tiffany A. Moore Simas
- Department of Obstetrics and Gynecology, UMass Chan Medical School/UMass Memorial Health, Memorial Campus 119 Belmont St., Worcester, MA, USA
| | - Ellen Delpapa
- Department of Obstetrics and Gynecology, UMass Chan Medical School/UMass Memorial Health, Memorial Campus 119 Belmont St., Worcester, MA, USA
| | - Ronghua ZhuGe
- Department of Microbiology and Physiological System, UMass Chan Medical School, 363 Plantation St., Worcester, MA, USA
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2
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Welsh JA, Goberdhan DCI, O'Driscoll L, Buzas EI, Blenkiron C, Bussolati B, Cai H, Di Vizio D, Driedonks TAP, Erdbrügger U, Falcon‐Perez JM, Fu Q, Hill AF, Lenassi M, Lim SK, Mahoney MG, Mohanty S, Möller A, Nieuwland R, Ochiya T, Sahoo S, Torrecilhas AC, Zheng L, Zijlstra A, Abuelreich S, Bagabas R, Bergese P, Bridges EM, Brucale M, Burger D, Carney RP, Cocucci E, Colombo F, Crescitelli R, Hanser E, Harris AL, Haughey NJ, Hendrix A, Ivanov AR, Jovanovic‐Talisman T, Kruh‐Garcia NA, Ku'ulei‐Lyn Faustino V, Kyburz D, Lässer C, Lennon KM, Lötvall J, Maddox AL, Martens‐Uzunova ES, Mizenko RR, Newman LA, Ridolfi A, Rohde E, Rojalin T, Rowland A, Saftics A, Sandau US, Saugstad JA, Shekari F, Swift S, Ter‐Ovanesyan D, Tosar JP, Useckaite Z, Valle F, Varga Z, van der Pol E, van Herwijnen MJC, Wauben MHM, Wehman AM, Williams S, Zendrini A, Zimmerman AJ, MISEV Consortium, Théry C, Witwer KW. Minimal information for studies of extracellular vesicles (MISEV2023): From basic to advanced approaches. J Extracell Vesicles 2024; 13:e12404. [PMID: 38326288 PMCID: PMC10850029 DOI: 10.1002/jev2.12404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 12/15/2023] [Accepted: 12/19/2023] [Indexed: 02/09/2024] Open
Abstract
Extracellular vesicles (EVs), through their complex cargo, can reflect the state of their cell of origin and change the functions and phenotypes of other cells. These features indicate strong biomarker and therapeutic potential and have generated broad interest, as evidenced by the steady year-on-year increase in the numbers of scientific publications about EVs. Important advances have been made in EV metrology and in understanding and applying EV biology. However, hurdles remain to realising the potential of EVs in domains ranging from basic biology to clinical applications due to challenges in EV nomenclature, separation from non-vesicular extracellular particles, characterisation and functional studies. To address the challenges and opportunities in this rapidly evolving field, the International Society for Extracellular Vesicles (ISEV) updates its 'Minimal Information for Studies of Extracellular Vesicles', which was first published in 2014 and then in 2018 as MISEV2014 and MISEV2018, respectively. The goal of the current document, MISEV2023, is to provide researchers with an updated snapshot of available approaches and their advantages and limitations for production, separation and characterisation of EVs from multiple sources, including cell culture, body fluids and solid tissues. In addition to presenting the latest state of the art in basic principles of EV research, this document also covers advanced techniques and approaches that are currently expanding the boundaries of the field. MISEV2023 also includes new sections on EV release and uptake and a brief discussion of in vivo approaches to study EVs. Compiling feedback from ISEV expert task forces and more than 1000 researchers, this document conveys the current state of EV research to facilitate robust scientific discoveries and move the field forward even more rapidly.
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Affiliation(s)
- Joshua A. Welsh
- Translational Nanobiology Section, Laboratory of PathologyNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Deborah C. I. Goberdhan
- Nuffield Department of Women's and Reproductive HealthUniversity of Oxford, Women's Centre, John Radcliffe HospitalOxfordUK
| | - Lorraine O'Driscoll
- School of Pharmacy and Pharmaceutical SciencesTrinity College DublinDublinIreland
- Trinity Biomedical Sciences InstituteTrinity College DublinDublinIreland
- Trinity St. James's Cancer InstituteTrinity College DublinDublinIreland
| | - Edit I. Buzas
- Department of Genetics, Cell‐ and ImmunobiologySemmelweis UniversityBudapestHungary
- HCEMM‐SU Extracellular Vesicle Research GroupSemmelweis UniversityBudapestHungary
- HUN‐REN‐SU Translational Extracellular Vesicle Research GroupSemmelweis UniversityBudapestHungary
| | - Cherie Blenkiron
- Faculty of Medical and Health SciencesThe University of AucklandAucklandNew Zealand
| | - Benedetta Bussolati
- Department of Molecular Biotechnology and Health SciencesUniversity of TurinTurinItaly
| | | | - Dolores Di Vizio
- Department of Surgery, Division of Cancer Biology and TherapeuticsCedars‐Sinai Medical CenterLos AngelesCaliforniaUSA
| | - Tom A. P. Driedonks
- Department CDL ResearchUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Uta Erdbrügger
- University of Virginia Health SystemCharlottesvilleVirginiaUSA
| | - Juan M. Falcon‐Perez
- Exosomes Laboratory, Center for Cooperative Research in BiosciencesBasque Research and Technology AllianceDerioSpain
- Metabolomics Platform, Center for Cooperative Research in BiosciencesBasque Research and Technology AllianceDerioSpain
- IKERBASQUE, Basque Foundation for ScienceBilbaoSpain
| | - Qing‐Ling Fu
- Otorhinolaryngology Hospital, The First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
- Extracellular Vesicle Research and Clinical Translational CenterThe First Affiliated Hospital, Sun Yat‐sen UniversityGuangzhouChina
| | - Andrew F. Hill
- Institute for Health and SportVictoria UniversityMelbourneAustralia
| | - Metka Lenassi
- Faculty of MedicineUniversity of LjubljanaLjubljanaSlovenia
| | - Sai Kiang Lim
- Institute of Molecular and Cell Biology (IMCB)Agency for Science, Technology and Research (A*STAR)SingaporeSingapore
- Paracrine Therapeutics Pte. Ltd.SingaporeSingapore
- Department of Surgery, YLL School of MedicineNational University SingaporeSingaporeSingapore
| | - Mỹ G. Mahoney
- Thomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Sujata Mohanty
- Stem Cell FacilityAll India Institute of Medical SciencesNew DelhiIndia
| | - Andreas Möller
- Chinese University of Hong KongHong KongHong Kong S.A.R.
- QIMR Berghofer Medical Research InstituteBrisbaneAustralia
| | - Rienk Nieuwland
- Laboratory of Experimental Clinical Chemistry, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Amsterdam Vesicle Center, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
| | | | - Susmita Sahoo
- Icahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | - Ana C. Torrecilhas
- Laboratório de Imunologia Celular e Bioquímica de Fungos e Protozoários, Departamento de Ciências Farmacêuticas, Instituto de Ciências Ambientais, Químicas e FarmacêuticasUniversidade Federal de São Paulo (UNIFESP) Campus DiademaDiademaBrazil
| | - Lei Zheng
- Department of Laboratory Medicine, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
| | - Andries Zijlstra
- Department of PathologyVanderbilt University Medical CenterNashvilleTennesseeUSA
- GenentechSouth San FranciscoCaliforniaUSA
| | - Sarah Abuelreich
- Department of Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Reem Bagabas
- Department of Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Paolo Bergese
- Department of Molecular and Translational MedicineUniversity of BresciaBresciaItaly
- Center for Colloid and Surface Science (CSGI)FlorenceItaly
- National Center for Gene Therapy and Drugs based on RNA TechnologyPaduaItaly
| | - Esther M. Bridges
- Weatherall Institute of Molecular MedicineUniversity of OxfordOxfordUK
| | - Marco Brucale
- Consiglio Nazionale delle Ricerche ‐ Istituto per lo Studio dei Materiali NanostrutturatiBolognaItaly
- Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande InterfaseFlorenceItaly
| | - Dylan Burger
- Kidney Research CentreOttawa Hopsital Research InstituteOttawaCanada
- Department of Cellular and Molecular MedicineUniversity of OttawaOttawaCanada
- School of Pharmaceutical SciencesUniversity of OttawaOttawaCanada
| | - Randy P. Carney
- Department of Biomedical EngineeringUniversity of CaliforniaDavisCaliforniaUSA
| | - Emanuele Cocucci
- Division of Pharmaceutics and Pharmacology, College of PharmacyThe Ohio State UniversityColumbusOhioUSA
- Comprehensive Cancer CenterThe Ohio State UniversityColumbusOhioUSA
| | - Federico Colombo
- Division of Pharmaceutics and Pharmacology, College of PharmacyThe Ohio State UniversityColumbusOhioUSA
| | - Rossella Crescitelli
- Sahlgrenska Center for Cancer Research, Department of Surgery, Institute of Clinical SciencesSahlgrenska Academy, University of GothenburgGothenburgSweden
- Wallenberg Centre for Molecular and Translational Medicine, Institute of Clinical SciencesSahlgrenska Academy, University of GothenburgGothenburgSweden
| | - Edveena Hanser
- Department of BiomedicineUniversity Hospital BaselBaselSwitzerland
- Department of BiomedicineUniversity of BaselBaselSwitzerland
| | | | - Norman J. Haughey
- Departments of Neurology and PsychiatryJohns Hopkins University School of MedicineBaltimoreMarylandUSA
| | - An Hendrix
- Laboratory of Experimental Cancer Research, Department of Human Structure and RepairGhent UniversityGhentBelgium
- Cancer Research Institute GhentGhentBelgium
| | - Alexander R. Ivanov
- Barnett Institute of Chemical and Biological Analysis, Department of Chemistry and Chemical BiologyNortheastern UniversityBostonMassachusettsUSA
| | - Tijana Jovanovic‐Talisman
- Department of Cancer Biology and Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Nicole A. Kruh‐Garcia
- Bio‐pharmaceutical Manufacturing and Academic Resource Center (BioMARC)Infectious Disease Research Center, Colorado State UniversityFort CollinsColoradoUSA
| | - Vroniqa Ku'ulei‐Lyn Faustino
- Department of Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Diego Kyburz
- Department of BiomedicineUniversity of BaselBaselSwitzerland
- Department of RheumatologyUniversity Hospital BaselBaselSwitzerland
| | - Cecilia Lässer
- Krefting Research Centre, Department of Internal Medicine and Clinical NutritionInstitute of Medicine at Sahlgrenska Academy, University of GothenburgGothenburgSweden
| | - Kathleen M. Lennon
- Department of Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Jan Lötvall
- Krefting Research Centre, Institute of Medicine at Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Adam L. Maddox
- Department of Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Elena S. Martens‐Uzunova
- Erasmus MC Cancer InstituteUniversity Medical Center Rotterdam, Department of UrologyRotterdamThe Netherlands
| | - Rachel R. Mizenko
- Department of Biomedical EngineeringUniversity of CaliforniaDavisCaliforniaUSA
| | - Lauren A. Newman
- College of Medicine and Public HealthFlinders UniversityAdelaideAustralia
| | - Andrea Ridolfi
- Department of Physics and Astronomy, and LaserLaB AmsterdamVrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Eva Rohde
- Department of Transfusion Medicine, University HospitalSalzburger Landeskliniken GmbH of Paracelsus Medical UniversitySalzburgAustria
- GMP Unit, Paracelsus Medical UniversitySalzburgAustria
- Transfer Centre for Extracellular Vesicle Theralytic Technologies, EV‐TTSalzburgAustria
| | - Tatu Rojalin
- Department of Biomedical EngineeringUniversity of CaliforniaDavisCaliforniaUSA
- Expansion Therapeutics, Structural Biology and BiophysicsJupiterFloridaUSA
| | - Andrew Rowland
- College of Medicine and Public HealthFlinders UniversityAdelaideAustralia
| | - Andras Saftics
- Department of Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Ursula S. Sandau
- Department of Anesthesiology & Perioperative MedicineOregon Health & Science UniversityPortlandOregonUSA
| | - Julie A. Saugstad
- Department of Anesthesiology & Perioperative MedicineOregon Health & Science UniversityPortlandOregonUSA
| | - Faezeh Shekari
- Department of Stem Cells and Developmental Biology, Cell Science Research CenterRoyan Institute for Stem Cell Biology and Technology, ACECRTehranIran
- Celer DiagnosticsTorontoCanada
| | - Simon Swift
- Waipapa Taumata Rau University of AucklandAucklandNew Zealand
| | - Dmitry Ter‐Ovanesyan
- Wyss Institute for Biologically Inspired EngineeringHarvard UniversityBostonMassachusettsUSA
| | - Juan P. Tosar
- Universidad de la RepúblicaMontevideoUruguay
- Institut Pasteur de MontevideoMontevideoUruguay
| | - Zivile Useckaite
- College of Medicine and Public HealthFlinders UniversityAdelaideAustralia
| | - Francesco Valle
- Consiglio Nazionale delle Ricerche ‐ Istituto per lo Studio dei Materiali NanostrutturatiBolognaItaly
- Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande InterfaseFlorenceItaly
| | - Zoltan Varga
- Biological Nanochemistry Research GroupInstitute of Materials and Environmental Chemistry, Research Centre for Natural SciencesBudapestHungary
- Department of Biophysics and Radiation BiologySemmelweis UniversityBudapestHungary
| | - Edwin van der Pol
- Amsterdam Vesicle Center, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Biomedical Engineering and Physics, Amsterdam UMC, location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Laboratory of Experimental Clinical Chemistry, Amsterdam UMC, location AMCUniversity of AmsterdamAmsterdamThe Netherlands
| | - Martijn J. C. van Herwijnen
- Department of Biomolecular Health Sciences, Faculty of Veterinary MedicineUtrecht UniversityUtrechtThe Netherlands
| | - Marca H. M. Wauben
- Department of Biomolecular Health Sciences, Faculty of Veterinary MedicineUtrecht UniversityUtrechtThe Netherlands
| | | | | | - Andrea Zendrini
- Department of Molecular and Translational MedicineUniversity of BresciaBresciaItaly
- Center for Colloid and Surface Science (CSGI)FlorenceItaly
| | - Alan J. Zimmerman
- Barnett Institute of Chemical and Biological Analysis, Department of Chemistry and Chemical BiologyNortheastern UniversityBostonMassachusettsUSA
| | | | - Clotilde Théry
- Institut Curie, INSERM U932PSL UniversityParisFrance
- CurieCoreTech Extracellular Vesicles, Institut CurieParisFrance
| | - Kenneth W. Witwer
- Department of Molecular and Comparative PathobiologyJohns Hopkins University School of MedicineBaltimoreMarylandUSA
- EV Core Facility “EXCEL”, Institute for Basic Biomedical SciencesJohns Hopkins University School of MedicineBaltimoreMarylandUSA
- The Richman Family Precision Medicine Center of Excellence in Alzheimer's DiseaseJohns Hopkins University School of MedicineBaltimoreMarylandUSA
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Posta E, Fekete I, Gyarmati E, Stündl L, Zold E, Barta Z. The Effects of Artificial Sweeteners on Intestinal Nutrient-Sensing Receptors: Dr. Jekyll or Mr. Hyde? Life (Basel) 2023; 14:10. [PMID: 38276259 PMCID: PMC10817473 DOI: 10.3390/life14010010] [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: 12/03/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 01/27/2024] Open
Abstract
The consumption of artificial and low-calorie sweeteners (ASs, LCSs) is an important component of the Western diet. ASs play a role in the pathogenesis of metabolic syndrome, dysbiosis, inflammatory bowel diseases (IBDs), and various inflammatory conditions. Intestinal nutrient-sensing receptors act as a crosstalk between dietary components, the gut microbiota, and the regulation of immune, endocrinological, and neurological responses. This narrative review aimed to summarize the possible effects of ASs and LCSs on intestinal nutrient-sensing receptors and their related functions. Based on the findings of various studies, long-term AS consumption has effects on the gut microbiota and intestinal nutrient-sensing receptors in modulating incretin hormones, antimicrobial peptides, and cytokine secretion. These effects contribute to the regulation of glucose metabolism, ion transport, gut permeability, and inflammation and modulate the gut-brain, and gut-kidney axes. Based on the conflicting findings of several in vitro, in vivo, and randomized and controlled studies, artificial sweeteners may have a role in the pathogenesis of IBDs, functional bowel diseases, metabolic syndrome, and cancers via the modulation of nutrient-sensing receptors. Further studies are needed to explore the exact mechanisms underlying their effects to decide the risk/benefit ratio of sugar intake reduction via AS and LCS consumption.
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Affiliation(s)
- Edit Posta
- GI Unit, Department of Infectology, Faculty of Medicine, University of Debrecen, Bartok Bela Street 2-26, 4031 Debrecen, Hungary; (E.G.); (Z.B.)
| | - Istvan Fekete
- Institute of Food Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi út 138, 4032 Debrecen, Hungary; (I.F.); (L.S.)
| | - Eva Gyarmati
- GI Unit, Department of Infectology, Faculty of Medicine, University of Debrecen, Bartok Bela Street 2-26, 4031 Debrecen, Hungary; (E.G.); (Z.B.)
- Doctoral School of Clinical Immunology and Allergology, Faculty of Medicine, University of Debrecen, Nagyerdei Blvd. 98, 4032 Debrecen, Hungary
| | - László Stündl
- Institute of Food Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi út 138, 4032 Debrecen, Hungary; (I.F.); (L.S.)
| | - Eva Zold
- Department of Clinical Immunology, Institute of Internal Medicine, Faculty of Medicine, University of Debrecen, Móricz Zsigmond Str. 22, 4032 Debrecen, Hungary;
| | - Zsolt Barta
- GI Unit, Department of Infectology, Faculty of Medicine, University of Debrecen, Bartok Bela Street 2-26, 4031 Debrecen, Hungary; (E.G.); (Z.B.)
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Cantacorps L, Coull BM, Falck J, Ritter K, Lippert RN. Gut-derived peptide hormone receptor expression in the developing mouse hypothalamus. PLoS One 2023; 18:e0290043. [PMID: 37590249 PMCID: PMC10434938 DOI: 10.1371/journal.pone.0290043] [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: 02/27/2023] [Accepted: 07/31/2023] [Indexed: 08/19/2023] Open
Abstract
OBJECTIVE In adult organisms, a number of receptors have been identified which modulate metabolic processes related to peptides derived from the intestinal tract. These receptors play significant roles in glucose homeostasis, food intake and energy balance. Here we assess these classical metabolic receptors and their expression as well as their potential role in early development of hypothalamic neuronal circuits. METHODS Chow-fed C57BL6/N female mice were mated and hypothalamic tissue was collected from offspring across postnatal development (postnatal day 7-21). Subsequent qPCR and Western Blot analyses were used to determine mRNA and protein changes in gut-derived peptide hormone receptors. Correlations to body weight, blood glucose and circulating leptin levels were analyzed. RESULTS We describe the gene expression and dynamic protein regulation of key gut-derived peptide hormone receptors in the early postnatal period of the mouse brain. Specifically, we show changes to Gastric inhibitory polypeptide receptor (GIPR), glucagon-like peptide 1 receptor (GLP1R), and cholecystokinin receptor 2 (CCK2R) in the developing hypothalamus. The changes to GIPR and InsR seem to be strongly negatively correlated with body weight. CONCLUSIONS This comprehensive analysis underscores the need to understand the roles of maternal-derived circulating gut hormones and their direct effect on offspring brain development.
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Affiliation(s)
- Lídia Cantacorps
- Department of Neurocircuit Development and Function, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Bethany M. Coull
- Department of Neurocircuit Development and Function, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Joanne Falck
- Department of Neurocircuit Development and Function, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Katrin Ritter
- Department of Neurocircuit Development and Function, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Rachel N. Lippert
- Department of Neurocircuit Development and Function, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- NeuroCure Cluster of Excellence, Charité-Universitätsmedizin Berlin, Berlin, Germany
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Fierro F, Peri L, Hübner H, Tabor-Schkade A, Waterloo L, Löber S, Pfeiffer T, Weikert D, Dingjan T, Margulis E, Gmeiner P, Niv MY. Inhibiting a promiscuous GPCR: iterative discovery of bitter taste receptor ligands. Cell Mol Life Sci 2023; 80:114. [PMID: 37012410 PMCID: PMC11072104 DOI: 10.1007/s00018-023-04765-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 03/09/2023] [Accepted: 03/21/2023] [Indexed: 04/05/2023]
Abstract
The human GPCR family comprises circa 800 members, activated by hundreds of thousands of compounds. Bitter taste receptors, TAS2Rs, constitute a large and distinct subfamily, expressed orally and extra-orally and involved in physiological and pathological conditions. TAS2R14 is the most promiscuous member, with over 150 agonists and 3 antagonists known prior to this study. Due to the scarcity of inhibitors and to the importance of chemical probes for exploring TAS2R14 functions, we aimed to discover new ligands for this receptor, with emphasis on antagonists. To cope with the lack of experimental structure of the receptor, we used a mixed experimental/computational methodology which iteratively improved the performance of the predicted structure. The increasing number of active compounds, obtained here through experimental screening of FDA-approved drug library, and through chemically synthesized flufenamic acid derivatives, enabled the refinement of the binding pocket, which in turn improved the structure-based virtual screening reliability. This mixed approach led to the identification of 10 new antagonists and 200 new agonists of TAS2R14, illustrating the untapped potential of rigorous medicinal chemistry for TAS2Rs. 9% of the ~ 1800 pharmaceutical drugs here tested activate TAS2R14, nine of them at sub-micromolar concentrations. The iterative framework suggested residues involved in the activation process, is suitable for expanding bitter and bitter-masking chemical space, and is applicable to other promiscuous GPCRs lacking experimental structures.
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Affiliation(s)
- Fabrizio Fierro
- The Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Lior Peri
- The Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Harald Hübner
- Department of Chemistry and Pharmacy, Medicinal Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Alina Tabor-Schkade
- Department of Chemistry and Pharmacy, Medicinal Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Lukas Waterloo
- Department of Chemistry and Pharmacy, Medicinal Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Stefan Löber
- Department of Chemistry and Pharmacy, Medicinal Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Tara Pfeiffer
- Department of Chemistry and Pharmacy, Medicinal Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Dorothee Weikert
- Department of Chemistry and Pharmacy, Medicinal Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Tamir Dingjan
- The Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Eitan Margulis
- The Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Peter Gmeiner
- Department of Chemistry and Pharmacy, Medicinal Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany.
| | - Masha Y Niv
- The Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel.
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Talmon M, Pollastro F, Fresu LG. The Complex Journey of the Calcium Regulation Downstream of TAS2R Activation. Cells 2022; 11:cells11223638. [PMID: 36429066 PMCID: PMC9688576 DOI: 10.3390/cells11223638] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/07/2022] [Accepted: 11/15/2022] [Indexed: 11/19/2022] Open
Abstract
Bitter taste receptors (TAS2Rs) have recently arisen as a potential drug target for asthma due to their localization in airway cells. These receptors are expressed in all cell types of the respiratory system comprising epithelial, smooth muscle and immune cells; however, the expression pattern of the subtypes is different in each cell type and, accordingly, so is their role, for example, anti-inflammatory or bronchodilator. The most challenging aspect in studying TAS2Rs has been the identification of the downstream signaling cascades. Indeed, TAS2R activation leads to canonical IP3-dependent calcium release from the ER, but, alongside, there are other mechanisms that differ according to the histological localization. In this review, we summarize the current knowledge on the cytosolic calcium modulation downstream of TAS2R activation in the epithelial, smooth muscle and immune cells of the airway system.
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Affiliation(s)
- Maria Talmon
- Department of Health Sciences, School of Medicine, University of Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy
- Correspondence: (M.T.); (L.G.F.); Tel.: +39-0321-660589 (M.T.); +39-0321-660687 (L.G.F.)
| | - Federica Pollastro
- Department of Pharmaceutical Sciences, University of Piemonte Orientale, Largo Donegani 2/3, 28100 Novara, Italy
| | - Luigia Grazia Fresu
- Department of Health Sciences, School of Medicine, University of Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy
- Correspondence: (M.T.); (L.G.F.); Tel.: +39-0321-660589 (M.T.); +39-0321-660687 (L.G.F.)
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He CF, Li XF, Jiang GZ, Zhang L, Sun M, Ge YP, Chen WL, Liu WB. Feed types affect the growth, nutrient utilization, digestive capabilities, and endocrine functions of Megalobrama amblycephala: a comparative study between pelleted and extruded feed. FISH PHYSIOLOGY AND BIOCHEMISTRY 2022; 48:1025-1038. [PMID: 35802285 DOI: 10.1007/s10695-022-01085-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 05/14/2022] [Indexed: 06/15/2023]
Abstract
Nowadays, both pelleted feed (PF) and extruded feed (EF) have been widely adopted in the aquaculture industry. However, limited information is available comparing their utilization efficiencies and meanwhile interpreting the underlying mechanisms. This study aimed to compare the utilization efficiencies of both PF and EF by blunt snout bream (Megalobrama amblycephala) based on growth performance, digestive capacities, and endocrine functions. Two feeds with identical formulas were prepared and named PF and EF. Fish were randomly distributed into two groups, including one that fed the PF continuously, and one that offered the EF continuously. The whole feeding trail lasted 8 weeks. The results showed that the protein efficiency (PER), retention of nitrogen and energy (NRE and ERE), viscera index (VSI), apparent digestibility of dry matter, protein, carbohydrate, and gross energy, whole-body crude protein and energy contents, intestinal enzymatic activities of protease, amylase, and Na+,K+-ATPase, intestinal villi length, crypt depth, muscular layer thickness, and the transcriptions of leptin (LEP) and cholecystokinin (CCK) of the EF group were all significantly higher than those of the PF group, while the opposite was true for feed intake and feed conversion ratio. These findings suggested that compared with PF, EF could improve the feed utilization and nutrient retention of blunt snout bream by enhancing the intestinal digestive and absorptive functions but reduce the feed intake through the stimulation of both LEP and CCK.
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Affiliation(s)
- Chao-Fan He
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang RoadJiangsu Province, Nanjing, 210095, People's Republic of China
| | - Xiang-Fei Li
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang RoadJiangsu Province, Nanjing, 210095, People's Republic of China
| | - Guang-Zhen Jiang
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang RoadJiangsu Province, Nanjing, 210095, People's Republic of China
| | - Ling Zhang
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang RoadJiangsu Province, Nanjing, 210095, People's Republic of China
| | - Miao Sun
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang RoadJiangsu Province, Nanjing, 210095, People's Republic of China
| | - Ya-Ping Ge
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang RoadJiangsu Province, Nanjing, 210095, People's Republic of China
| | - Wei-Liang Chen
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang RoadJiangsu Province, Nanjing, 210095, People's Republic of China
| | - Wen-Bin Liu
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang RoadJiangsu Province, Nanjing, 210095, People's Republic of China.
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Abstract
Bitter taste-sensing type 2 receptors (TAS2Rs or T2Rs), belonging to the subgroup of family A G-protein coupled receptors (GPCRs), are of crucial importance in the perception of bitterness. Although in the first instance, TAS2Rs were considered to be exclusively distributed in the apical microvilli of taste bud cells, numerous studies have detected these sensory receptor proteins in several extra-oral tissues, such as in pancreatic or ovarian tissues, as well as in their corresponding malignancies. Critical points of extra-oral TAS2Rs biology, such as their structure, roles, signaling transduction pathways, extensive mutational polymorphism, and molecular evolution, have been currently broadly studied. The TAS2R cascade, for instance, has been recently considered to be a pivotal modulator of a number of (patho)physiological processes, including adipogenesis or carcinogenesis. The latest advances in taste receptor biology further raise the possibility of utilizing TAS2Rs as a therapeutic target or as an informative index to predict treatment responses in various disorders. Thus, the focus of this review is to provide an update on the expression and molecular basis of TAS2Rs functions in distinct extra-oral tissues in health and disease. We shall also discuss the therapeutic potential of novel TAS2Rs targets, which are appealing due to their ligand selectivity, expression pattern, or pharmacological profiles.
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Affiliation(s)
- Kamila Tuzim
- Department of Clinical Pathomorphology, Medical University of Lublin, ul. Jaczewskiego 8b, 20-090, Lublin, Poland.
| | - Agnieszka Korolczuk
- Department of Clinical Pathomorphology, Medical University of Lublin, ul. Jaczewskiego 8b, 20-090, Lublin, Poland
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Human Placental Transcriptome Reveals Critical Alterations in Inflammation and Energy Metabolism with Fetal Sex Differences in Spontaneous Preterm Birth. Int J Mol Sci 2021; 22:ijms22157899. [PMID: 34360662 PMCID: PMC8347496 DOI: 10.3390/ijms22157899] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/15/2021] [Accepted: 07/20/2021] [Indexed: 01/29/2023] Open
Abstract
A well-functioning placenta is crucial for normal gestation and regulates the nutrient, gas, and waste exchanges between the maternal and fetal circulations and is an important endocrine organ producing hormones that regulate both the maternal and fetal physiologies during pregnancy. Placental insufficiency is implicated in spontaneous preterm birth (SPTB). We proposed that deficits in the capacity of the placenta to maintain bioenergetic and metabolic stability during pregnancy may ultimately result in SPTB. To explore our hypothesis, we performed a RNA-seq study in male and female placentas from women with SPTB (<36 weeks gestation) compared to normal pregnancies (≥38 weeks gestation) to assess the alterations in the gene expression profiles. We focused exclusively on Black women (cases and controls), who are at the highest risk of SPTB. Six hundred and seventy differentially expressed genes were identified in male SPTB placentas. Among them, 313 and 357 transcripts were increased and decreased, respectively. In contrast, only 61 differentially expressed genes were identified in female SPTB placenta. The ingenuity pathway analysis showed alterations in the genes and canonical pathways critical for regulating inflammation, oxidative stress, detoxification, mitochondrial function, energy metabolism, and the extracellular matrix. Many upstream regulators and master regulators important for nutrient-sensing and metabolism were also altered in SPTB placentas, including the PI3K complex, TGFB1/SMADs, SMARCA4, TP63, CDKN2A, BRCA1, and NFAT. The transcriptome was integrated with published human placental metabolome to assess the interactions of altered genes and metabolites. Collectively, significant and biologically relevant alterations in the transcriptome were identified in SPTB placentas with fetal sex disparities. Altered energy metabolism, mitochondrial function, inflammation, and detoxification may underly the mechanisms of placental dysfunction in SPTB.
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10
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Welcome MO, Mastorakis NE. The taste of neuroinflammation: Molecular mechanisms linking taste sensing to neuroinflammatory responses. Pharmacol Res 2021; 167:105557. [PMID: 33737243 DOI: 10.1016/j.phrs.2021.105557] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 03/10/2021] [Accepted: 03/10/2021] [Indexed: 02/07/2023]
Abstract
Evidence indicates a critical role of neuroinflammatory response as an underlying pathophysiological process in several central nervous system disorders, including neurodegenerative diseases. However, the molecular mechanisms that trigger neuroinflammatory processes are not fully known. The discovery of bitter taste receptors in regions other than the oral cavity substantially increased research interests on their functional roles in extra-oral tissues. It is now widely accepted that bitter taste receptors, for instance, in the respiratory, intestinal, reproductive and urinary tracts, are crucial not only for sensing poisonous substances, but also, act as immune sentinels, mobilizing defense mechanisms against pathogenic aggression. The relatively recent discovery of bitter taste receptors in the brain has intensified research investigation on the functional implication of cerebral bitter taste receptor expression. Very recent data suggest that responses of bitter taste receptors to neurotoxins and microbial molecules, under normal condition, are necessary to prevent neuroinflammatory reactions. Furthermore, emerging data have revealed that downregulation of key components of the taste receptor signaling cascade leads to increased oxidative stress and inflammasome signaling in neurons that ultimately culminate in neuroinflammation. Nevertheless, the mechanisms that link taste receptor mediated surveillance of the extracellular milieu to neuroinflammatory responses are not completely understood. This review integrates new data on the molecular mechanisms that link bitter taste receptor sensing to neuroinflammatory responses. The role of bitter taste receptor-mediated sensing of toxigenic substances in brain disorders is also discussed. The therapeutic significance of targeting these receptors for potential treatment of neurodegenerative diseases is also highlighted.
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Affiliation(s)
- Menizibeya O Welcome
- Department of Physiology, Faculty of Basic Medical Sciences, College of Health Sciences, Nile University of Nigeria, Abuja, Nigeria.
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Medapati MR, Bhagirath AY, Singh N, Chelikani P. Pharmacology of T2R Mediated Host-Microbe Interactions. Handb Exp Pharmacol 2021; 275:177-202. [PMID: 33580389 DOI: 10.1007/164_2021_435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Bitter taste receptors (T2Rs) belong to the G protein-coupled receptor superfamily. Humans express 25 T2Rs that are known to detect several bitter compounds including bacterial quorum sensing molecules (QSM). Primarily found to be key receptors for bitter sensation T2Rs are known to play an important role in mediating innate immune responses in oral and extraoral tissues. Several studies have led to identification of Gram-negative and Gram-positive bacterial QSMs as agonists for T2Rs in airway epithelial cells and immune cells. However, the pharmacological characterization for many of the QSM-T2R interactions remains poorly defined. In this chapter, we discuss the extraoral roles including localization of T2Rs in extracellular vesicles, molecular pharmacology of QSM-T2R interactions, role of T2Rs in mediating innate immune responses, and some of the challenges in understanding T2R pharmacology.
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Affiliation(s)
- Manoj Reddy Medapati
- Manitoba Chemosensory Biology Research Group, Department of Oral Biology, Dr. Gerald Niznick College of Dentistry, University of Manitoba, Winnipeg, MB, Canada
- Children's Hospital Research Institute of Manitoba, Winnipeg, MB, Canada
| | - Anjali Y Bhagirath
- Manitoba Chemosensory Biology Research Group, Department of Oral Biology, Dr. Gerald Niznick College of Dentistry, University of Manitoba, Winnipeg, MB, Canada
- Children's Hospital Research Institute of Manitoba, Winnipeg, MB, Canada
| | - Nisha Singh
- Manitoba Chemosensory Biology Research Group, Department of Oral Biology, Dr. Gerald Niznick College of Dentistry, University of Manitoba, Winnipeg, MB, Canada
- Children's Hospital Research Institute of Manitoba, Winnipeg, MB, Canada
| | - Prashen Chelikani
- Manitoba Chemosensory Biology Research Group, Department of Oral Biology, Dr. Gerald Niznick College of Dentistry, University of Manitoba, Winnipeg, MB, Canada.
- Children's Hospital Research Institute of Manitoba, Winnipeg, MB, Canada.
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Conrad KP, Tuna KM, Mestre CT, Banwatt ES, Alli AA. Activation of multiple receptors stimulates extracellular vesicle release from trophoblast cells. Physiol Rep 2020; 8:e14592. [PMID: 33080118 PMCID: PMC7575225 DOI: 10.14814/phy2.14592] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 09/03/2020] [Accepted: 09/04/2020] [Indexed: 12/19/2022] Open
Abstract
Reports of the stimulated release of extracellular vesicles (EVs) are few, and the mechanisms incompletely understood. To our knowledge, the possibility that the activation of any one of the multitudes of G-protein-coupled receptors (GPCRs) expressed by a single cell-type might increase EV release has not been explored. Recently, we identified the expression of cholecystokinin (CCK), gastrin, gastrin/cholecystokinin types A and/or B receptors (CCKAR and/or -BR), and the bitter taste receptor, TAS2R14 in the human and mouse placenta. specifically, trophoblast. These GPCR(s) were also expressed in four different human trophoblast cell lines. The current objective was to employ two of these cell lines-JAR choriocarcinoma cells and HTR-8/SVneo cells derived from first-trimester human villous trophoblast-to investigate whether CCK, TAS2R14 agonists, and other GPCR ligands would each augment EV release. EVs were isolated from the cell-culture medium by filtration and ultracentrifugation. The preparations were enriched in small EVs (<200 nm) as determined by syntenin western blot before and after sucrose gradient purification, phycoerythrin (PE)-ADAM10 antibody labeling, and electron microscopy. Activation of TAS2R14, CCKBR, cholinergic muscarinic 1 & 3, and angiotensin II receptors, each increased EV release by 4.91-, 2.79-, 1.87-, and 3.11-fold, respectively (all p < .05 versus vehicle controls), without significantly changing EV diameter. A progressive increase of EV concentration in conditioned medium was observed over 24 hr consistent with the release of preformed EVs and de novo biogenesis. Compared to receptor-mediated stimulation, EV release by the calcium ionophore, A23187, was less robust (1.63-fold, p = .08). Diphenhydramine, a TAS2R14 agonist, enhanced EV release in JAR cells at a concentration 10-fold below that required to increase intracellular calcium. CCK activation of HTR-8/SVneo cells, which did not raise intracellular calcium, increased EV release by 2.06-fold (p < .05). Taken together, these results suggested that other signaling pathways may underlie receptor-stimulated EV release besides, or in addition to, calcium. To our knowledge, the finding that the activation of multiple GPCRs can stimulate EV release from a single cell-type is unprecedented and engenders a novel thesis that each receptor may orchestrate intercellular communication through the release of EVs containing a subset of unique cargo, thus mobilizing a specific integrated physiological response by a network of neighboring and distant cells.
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Affiliation(s)
- Kirk P. Conrad
- Department of Physiology and Functional GenomicsUniversity of Florida College of MedicineGainesvilleFLUSA
- Department of Obstetrics and GynecologyUniversity of Florida College of MedicineGainesvilleFLUSA
- D. H. Barron Reproductive and Perinatal Biology Research ProgramUniversity of FloridaGainesvilleFLUSA
| | - Kubra M. Tuna
- Department of Physiology and Functional GenomicsUniversity of Florida College of MedicineGainesvilleFLUSA
| | - Cathleen T. Mestre
- Department of Physiology and Functional GenomicsUniversity of Florida College of MedicineGainesvilleFLUSA
| | - Esha S. Banwatt
- Department of Physiology and Functional GenomicsUniversity of Florida College of MedicineGainesvilleFLUSA
| | - Abdel A. Alli
- Department of Physiology and Functional GenomicsUniversity of Florida College of MedicineGainesvilleFLUSA
- Department of Medicine, Division of Nephrology, Hypertension and Renal TransplantationUniversity of Florida College of MedicineGainesvilleFLUSA
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