RT² Profiler PCR Array (384-Well Format) Mouse G Protein Coupled Receptors 384HT
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Emerging Evidence for a Central Epinephrine-Innervated A1- Adrenergic System That Regulates Behavioral Activation and Is Impaired in Depression
Neuropsychopharmacology (2003) 28, 1387–1399 & 2003 Nature Publishing Group All rights reserved 0893-133X/03 $25.00 www.neuropsychopharmacology.org Perspective Emerging Evidence for a Central Epinephrine-Innervated a1- Adrenergic System that Regulates Behavioral Activation and is Impaired in Depression ,1 1 1 1 1 Eric A Stone* , Yan Lin , Helen Rosengarten , H Kenneth Kramer and David Quartermain 1Departments of Psychiatry and Neurology, New York University School of Medicine, New York, NY, USA Currently, most basic and clinical research on depression is focused on either central serotonergic, noradrenergic, or dopaminergic neurotransmission as affected by various etiological and predisposing factors. Recent evidence suggests that there is another system that consists of a subset of brain a1B-adrenoceptors innervated primarily by brain epinephrine (EPI) that potentially modulates the above three monoamine systems in parallel and plays a critical role in depression. The present review covers the evidence for this system and includes findings that brain a -adrenoceptors are instrumental in behavioral activation, are located near the major monoamine cell groups 1 or target areas, receive EPI as their neurotransmitter, are impaired or inhibited in depressed patients or after stress in animal models, and a are restored by a number of antidepressants. This ‘EPI- 1 system’ may therefore represent a new target system for this disorder. Neuropsychopharmacology (2003) 28, 1387–1399, advance online publication, 18 June 2003; doi:10.1038/sj.npp.1300222 Keywords: a1-adrenoceptors; epinephrine; motor activity; depression; inactivity INTRODUCTION monoaminergic systems. This new system appears to be impaired during stress and depression and thus may Depressive illness is currently believed to result from represent a new target for this disorder. -
P2Y6 Receptors Regulate CXCL10 Expression and Secretion in Mouse Intestinal Epithelial Cells
fphar-09-00149 February 26, 2018 Time: 17:57 # 1 ORIGINAL RESEARCH published: 28 February 2018 doi: 10.3389/fphar.2018.00149 P2Y6 Receptors Regulate CXCL10 Expression and Secretion in Mouse Intestinal Epithelial Cells Mabrouka Salem1,2, Alain Tremblay2, Julie Pelletier2, Bernard Robaye3 and Jean Sévigny1,2* 1 Département de Microbiologie-Infectiologie et d’Immunologie, Faculté de Médecine, Université Laval, Québec City, QC, Canada, 2 Centre de Recherche du CHU de Québec – Université Laval, Québec City, QC, Canada, 3 Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire, Université Libre de Bruxelles, Gosselies, Belgium In this study, we investigated the role of extracellular nucleotides in chemokine (KC, MIP- 2, MCP-1, and CXCL10) expression and secretion by murine primary intestinal epithelial cells (IECs) with a focus on P2Y6 receptors. qRT-PCR experiments showed that P2Y6 was the dominant nucleotide receptor expressed in mouse IEC. In addition, the P2Y6 Edited by: ligand UDP induced expression and secretion of CXCL10. For the other studies, we Kenneth A. Jacobson, −=− National Institutes of Health (NIH), took advantage of mice deficient in P2Y6 (P2ry6 ). Similar expression levels of P2Y1, −=− United States P2Y2, P2X2, P2X4, and A2A were detected in P2ry6 and WT IEC. Agonists of Reviewed by: TLR3 (poly(I:C)), TLR4 (LPS), P2Y1, and P2Y2 increased the expression and secretion Fernando Ochoa-Cortes, of CXCL10 more prominently in P2ry6−=− IEC than in WT IEC. CXCL10 expression Universidad Autónoma de San Luis −=− Potosí, Mexico and secretion induced by poly(I:C) in both P2ry6 and WT IEC were inhibited by Markus Neurath, general P2 antagonists (suramin and Reactive-Blue-2), by apyrase, and by specific Universitätsklinikum Erlangen, Germany antagonists of P2Y1, P2Y2, P2Y6 (only in WT), and P2X4. -
Immunosuppression Via Adenosine Receptor Activation by Adenosine
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Crossref RESEARCH ARTICLE elifesciences.org Immunosuppression via adenosine receptor activation by adenosine monophosphate released from apoptotic cells Hiroshi Yamaguchi1, Toshihiko Maruyama2, Yoshihiro Urade2†, Shigekazu Nagata1,3* 1Department of Medical Chemistry, Graduate School of Medicine, Kyoto University, Kyoto, Japan; 2Department of Molecular Behavioral Biology, Osaka Bioscience Institute, Osaka, Japan; 3Core Research for Evolutional Science and Technology, Japan Science and Technology Corporation, Kyoto, Japan Abstract Apoptosis is coupled with recruitment of macrophages for engulfment of dead cells, and with compensatory proliferation of neighboring cells. Yet, this death process is silent, and it does not cause inflammation. The molecular mechanisms underlying anti-inflammatory nature of the apoptotic process remains poorly understood. In this study, we found that the culture supernatant of apoptotic cells activated the macrophages to express anti-inflammatory genes such as Nr4a and Thbs1. A high level of AMP accumulated in the apoptotic cell supernatant in a Pannexin1-dependent manner. A nucleotidase inhibitor and A2a adenosine receptor antagonist inhibited the apoptotic *For correspondence: snagata@ supernatant-induced gene expression, suggesting AMP was metabolized to adenosine by an mfour.med.kyoto-u.ac.jp ecto-5’-nucleotidase expressed on macrophages, to activate the macrophage A2a adenosine receptor. Intraperitoneal injection of zymosan into Adora2a- or Panx1-deficient mice produced † Present address: Molecular high, sustained levels of inflammatory mediators in the peritoneal lavage. These results indicated Sleep Biology Laboratory, that AMP from apoptotic cells suppresses inflammation as a ‘calm down’ signal. WPI-International Institute for DOI: 10.7554/eLife.02172.001 Integrative Sleep Medicine, University of Tsukuba, Ibaraki, Japan Competing interests: The Introduction authors declare that no competing interests exist. -
309 Molecular Role of Dopamine in Anhedonia Linked to Reward
[Frontiers In Bioscience, Scholar, 10, 309-325, March 1, 2018] Molecular role of dopamine in anhedonia linked to reward deficiency syndrome (RDS) and anti- reward systems Mark S. Gold8, Kenneth Blum,1-7,10 Marcelo Febo1, David Baron,2 Edward J Modestino9, Igor Elman10, Rajendra D. Badgaiyan10 1Department of Psychiatry, McKnight Brain Institute, University of Florida, College of Medicine, Gainesville, FL, USA, 2Department of Psychiatry and Behavioral Sciences, Keck School of Medicine, University of South- ern California, Los Angeles, CA, USA, 3Global Integrated Services Unit University of Vermont Center for Clinical and Translational Science, College of Medicine, Burlington, VT, USA, 4Department of Addiction Research, Dominion Diagnostics, LLC, North Kingstown, RI, USA, 5Center for Genomics and Applied Gene Technology, Institute of Integrative Omics and Applied Biotechnology (IIOAB), Nonakuri, Purbe Medinpur, West Bengal, India, 6Division of Neuroscience Research and Therapy, The Shores Treatment and Recovery Center, Port St. Lucie, Fl., USA, 7Division of Nutrigenomics, Sanus Biotech, Austin TX, USA, 8Department of Psychiatry, Washington University School of Medicine, St. Louis, Mo, USA, 9Depart- ment of Psychology, Curry College, Milton, MA USA,, 10Department of Psychiatry, Wright State University, Boonshoft School of Medicine, Dayton, OH ,USA. TABLE OF CONTENTS 1. Abstract 2. Introduction 3. Anhedonia and food addiction 4. Anhedonia in RDS Behaviors 5. Anhedonia hypothesis and DA as a “Pleasure” molecule 6. Reward genes and anhedonia: potential therapeutic targets 7. Anti-reward system 8. State of At of Anhedonia 9. Conclusion 10. Acknowledgement 11. References 1. ABSTRACT Anhedonia is a condition that leads to the loss like “anti-reward” phenomena. These processes of feelings pleasure in response to natural reinforcers may have additive, synergistic or antagonistic like food, sex, exercise, and social activities. -
Trace Amine-Associated Receptor 1 Activation Regulates Glucose-Dependent
Trace amine-associated receptor 1 activation regulates glucose-dependent insulin secretion in pancreatic beta cells in vitro by ©Arun Kumar A thesis submitted to the School of Graduate Studies in partial fulfillment of the requirements for the degree of Master of Science Department of Biochemistry, Faculty of Science Memorial University of Newfoundland FEBRUARY 2021 St. John’s, Newfoundland and Labrador i Abstract Trace amines are a group of endogenous monoamines which exert their action through a family of G protein-coupled receptors known as trace amine-associated receptors (TAARs). TAAR1 has been reported to regulate insulin secretion from pancreatic beta cells in vitro and in vivo. This study investigates the mechanism(s) by which TAAR1 regulates insulin secretion. The insulin secreting rat INS-1E -cell line was used for the study. Cells were pre-starved (30 minutes) and then incubated with varying concentrations of glucose (2.5 – 20 mM) or KCl (3.6 – 60 mM) for 2 hours in the absence or presence of various concentrations of the selective TAAR1 agonist RO5256390. Secreted insulin per well was quantified using ELISA and normalized to the total protein content of individual cultures. RO5256390 significantly (P < 0.0001) increased glucose- stimulated insulin secretion in a dose-dependent manner, with no effect on KCl-stimulated insulin secretion. Affymetrix-microarray data analysis identified genes (Gnas, Gng7, Gngt1, Gria2, Cacna1e, Kcnj8, and Kcnj11) whose expression was associated with changes in TAAR1 in response to changes in insulin secretion in pancreatic beta cell function. The identified potential links to TAAR1 supports the regulation of glucose-stimulated insulin secretion through KATP ion channels. -
CXCL13/CXCR5 Interaction Facilitates VCAM-1-Dependent Migration in Human Osteosarcoma
International Journal of Molecular Sciences Article CXCL13/CXCR5 Interaction Facilitates VCAM-1-Dependent Migration in Human Osteosarcoma 1, 2,3,4, 5 6 7 Ju-Fang Liu y, Chiang-Wen Lee y, Chih-Yang Lin , Chia-Chia Chao , Tsung-Ming Chang , Chien-Kuo Han 8, Yuan-Li Huang 8, Yi-Chin Fong 9,10,* and Chih-Hsin Tang 8,11,12,* 1 School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei City 11031, Taiwan; [email protected] 2 Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Puzi City, Chiayi County 61363, Taiwan; [email protected] 3 Department of Nursing, Division of Basic Medical Sciences, and Chronic Diseases and Health Promotion Research Center, Chang Gung University of Science and Technology, Puzi City, Chiayi County 61363, Taiwan 4 Research Center for Industry of Human Ecology and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Guishan Dist., Taoyuan City 33303, Taiwan 5 School of Medicine, China Medical University, Taichung 40402, Taiwan; [email protected] 6 Department of Respiratory Therapy, Fu Jen Catholic University, New Taipei City 24205, Taiwan; [email protected] 7 School of Medicine, Institute of Physiology, National Yang-Ming University, Taipei City 11221, Taiwan; [email protected] 8 Department of Biotechnology, College of Health Science, Asia University, Taichung 40402, Taiwan; [email protected] (C.-K.H.); [email protected] (Y.-L.H.) 9 Department of Sports Medicine, College of Health Care, China Medical University, Taichung 40402, Taiwan 10 Department of Orthopedic Surgery, China Medical University Beigang Hospital, Yunlin 65152, Taiwan 11 Department of Pharmacology, School of Medicine, China Medical University, Taichung 40402, Taiwan 12 Chinese Medicine Research Center, China Medical University, Taichung 40402, Taiwan * Correspondence: [email protected] (Y.-C.F.); [email protected] (C.-H.T.); Tel.: +886-4-2205-2121-7726 (C.-H.T.); Fax: +886-4-2233-3641 (C.-H.T.) These authors contributed equally to this work. -
Molecular Dissection of G-Protein Coupled Receptor Signaling and Oligomerization
MOLECULAR DISSECTION OF G-PROTEIN COUPLED RECEPTOR SIGNALING AND OLIGOMERIZATION BY MICHAEL RIZZO A Dissertation Submitted to the Graduate Faculty of WAKE FOREST UNIVERSITY GRADUATE SCHOOL OF ARTS AND SCIENCES in Partial Fulfillment of the Requirements for the Degree of DOCTOR OF PHILOSOPHY Biology December, 2019 Winston-Salem, North Carolina Approved By: Erik C. Johnson, Ph.D. Advisor Wayne E. Pratt, Ph.D. Chair Pat C. Lord, Ph.D. Gloria K. Muday, Ph.D. Ke Zhang, Ph.D. ACKNOWLEDGEMENTS I would first like to thank my advisor, Dr. Erik Johnson, for his support, expertise, and leadership during my time in his lab. Without him, the work herein would not be possible. I would also like to thank the members of my committee, Dr. Gloria Muday, Dr. Ke Zhang, Dr. Wayne Pratt, and Dr. Pat Lord, for their guidance and advice that helped improve the quality of the research presented here. I would also like to thank members of the Johnson lab, both past and present, for being valuable colleagues and friends. I would especially like to thank Dr. Jason Braco, Dr. Jon Fisher, Dr. Jake Saunders, and Becky Perry, all of whom spent a great deal of time offering me advice, proofreading grants and manuscripts, and overall supporting me through the ups and downs of the research process. Finally, I would like to thank my family, both for instilling in me a passion for knowledge and education, and for their continued support. In particular, I would like to thank my wife Emerald – I am forever indebted to you for your support throughout this process, and I will never forget the sacrifices you made to help me get to where I am today. -
A Computational Approach for Defining a Signature of Β-Cell Golgi Stress in Diabetes Mellitus
Page 1 of 781 Diabetes A Computational Approach for Defining a Signature of β-Cell Golgi Stress in Diabetes Mellitus Robert N. Bone1,6,7, Olufunmilola Oyebamiji2, Sayali Talware2, Sharmila Selvaraj2, Preethi Krishnan3,6, Farooq Syed1,6,7, Huanmei Wu2, Carmella Evans-Molina 1,3,4,5,6,7,8* Departments of 1Pediatrics, 3Medicine, 4Anatomy, Cell Biology & Physiology, 5Biochemistry & Molecular Biology, the 6Center for Diabetes & Metabolic Diseases, and the 7Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202; 2Department of BioHealth Informatics, Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202; 8Roudebush VA Medical Center, Indianapolis, IN 46202. *Corresponding Author(s): Carmella Evans-Molina, MD, PhD ([email protected]) Indiana University School of Medicine, 635 Barnhill Drive, MS 2031A, Indianapolis, IN 46202, Telephone: (317) 274-4145, Fax (317) 274-4107 Running Title: Golgi Stress Response in Diabetes Word Count: 4358 Number of Figures: 6 Keywords: Golgi apparatus stress, Islets, β cell, Type 1 diabetes, Type 2 diabetes 1 Diabetes Publish Ahead of Print, published online August 20, 2020 Diabetes Page 2 of 781 ABSTRACT The Golgi apparatus (GA) is an important site of insulin processing and granule maturation, but whether GA organelle dysfunction and GA stress are present in the diabetic β-cell has not been tested. We utilized an informatics-based approach to develop a transcriptional signature of β-cell GA stress using existing RNA sequencing and microarray datasets generated using human islets from donors with diabetes and islets where type 1(T1D) and type 2 diabetes (T2D) had been modeled ex vivo. To narrow our results to GA-specific genes, we applied a filter set of 1,030 genes accepted as GA associated. -
Intramolecular Allosteric Communication in Dopamine D2 Receptor Revealed by Evolutionary Amino Acid Covariation
Intramolecular allosteric communication in dopamine D2 receptor revealed by evolutionary amino acid covariation Yun-Min Sunga, Angela D. Wilkinsb, Gustavo J. Rodrigueza, Theodore G. Wensela,1, and Olivier Lichtargea,b,1 aVerna and Marrs Mclean Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, TX 77030; and bDepartment of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030 Edited by Brian K. Kobilka, Stanford University School of Medicine, Stanford, CA, and approved February 16, 2016 (received for review August 19, 2015) The structural basis of allosteric signaling in G protein-coupled led us to ask whether ET could also uncover couplings among receptors (GPCRs) is important in guiding design of therapeutics protein sequence positions not in direct contact. and understanding phenotypic consequences of genetic variation. ET estimates the relative functional sensitivity of a protein to The Evolutionary Trace (ET) algorithm previously proved effective in variations at each residue position using phylogenetic distances to redesigning receptors to mimic the ligand specificities of functionally account for the functional divergence among sequence homologs distinct homologs. We now expand ET to consider mutual informa- (25, 26). Similar ideas can be applied to pairs of sequence positions tion, with validation in GPCR structure and dopamine D2 receptor to recompute ET as the average importance of the couplings be- (D2R) function. The new algorithm, called ET-MIp, identifies evolu- tween a residue and its direct structural neighbors (27). To measure tionarily relevant patterns of amino acid covariations. The improved the evolutionary coupling information between residue pairs, we predictions of structural proximity and D2R mutagenesis demon- present a new algorithm, ET-MIp, that integrates the mutual in- strate that ET-MIp predicts functional interactions between residue formation metric (MIp) (5) to the ET framework. -
A2B Adenosine Receptors and T Cell Activation 493
Journal of Cell Science 112, 491-502 (1999) 491 Printed in Great Britain © The Company of Biologists Limited 1999 JCS0069 Expression of A2B adenosine receptors in human lymphocytes: their role in T cell activation Maribel Mirabet1, Carolina Herrera1, Oscar J. Cordero2, Josefa Mallol1, Carmen Lluis1 and Rafael Franco1,* 1Department of Biochemistry and Molecular Biology, Faculty of Chemistry, University of Barcelona, Barcelona, Catalonia, Spain 2Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Santiago de Compostela, Spain *Author for correspondence (e-mail: [email protected]; homepage: www.bq.ub.es/recep/franco.html) Accepted 9 December 1998; published on WWW 25 January 1999 SUMMARY Extracellular adenosine has a key role in the development A2BRs but not of A2A receptors in these human cells. The and function of the cells of the immune system. Many of percentage of A2BR-expressing cells was similar in the the adenosine actions seem to be mediated by specific CD4+ or CD8+ T cell subpopulations. Interestingly surface receptors positively coupled to adenylate cyclase: activation signals delivered by either phytohemagglutinin A2A and A2B. Despite the fact that A2A receptors (A2ARs) or anti-T cell receptor/CD3 complex antibodies led to a can be easily studied due to the availability of the specific significant increase in both the percentage of cells agonist CGS21680, a pharmacological and physiological expressing the receptor and the intensity of the labeling. characterization of adenosine A2B receptors (A2BRs) in These receptors are functional since interleukin-2 lymphocytes has not been possible due to the lack of production in these cells is reduced by NECA but not by R- suitable reagents. -
The Prospective Value of Dopamine Receptors on Bio-Behavior of Tumor
Journal of Cancer 2019, Vol. 10 1622 Ivyspring International Publisher Journal of Cancer 2019; 10(7): 1622-1632. doi: 10.7150/jca.27780 Review The Prospective Value of Dopamine Receptors on Bio-Behavior of Tumor Xu Wang1,2, Zhi-Bin Wang1,2, Chao Luo1,2,4, Xiao-Yuan Mao1,2, Xi Li1,2, Ji-Ye Yin1,2, Wei Zhang1,2,3, Hong-Hao Zhou1,2,3, Zhao-Qian Liu1,2,3 1. Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, P. R. China; 2. Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, P. R. China; 3. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, P. R. China; 4. School of Life Sciences, Central South University, Changsha, Hunan 410078. Corresponding author: Professor Zhao-Qian Liu: Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, P. R. China; Institute of Clinical Pharmacology, Central South University; Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, P. R. China. Tel: +86 731 89753845, Fax: +86 731 82354476, E-mail: [email protected]. © Ivyspring International Publisher. This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY-NC) license (https://creativecommons.org/licenses/by-nc/4.0/). See http://ivyspring.com/terms for full terms and conditions. Received: 2018.06.10; Accepted: 2019.02.07; Published: 2019.03.03 Abstract Dopamine receptors are belong to the family of G protein-coupled receptor. There are five types of dopamine receptor (DR), including DRD1, DRD2, DRD3, DRD4, and DRD5, which are divided into two major groups: the D1-like receptors (DRD1 and DRD5), and the D2-like receptors (DRD2, DRD3, and DRD4). -
Adenosine Receptors and Cancer
Adenosine Receptors and Cancer P. Fishman, S. Bar-Yehuda, M. Synowitz, J.D. Powell, K.N. Klotz, S. Gessi, and P.A. Borea Contents 1 Introduction..................................................................................... 402 2A1 Adenosine Receptor........................................................................ 402 3A2A Adenosine Receptor...................................................................... 406 3.1 The A2AAR:ProtectorofHostTissue,ProtectorofTumors......................... 406 3.2 TumorsEvadetheImmuneSystembyInhibitingImmuneCellFunction........... 406 3.3 The A2AAR Negatively Regulates Immune Responses............................... 407 3.4 AdenosineProtectsTumorsfromImmuneDestruction............................... 408 3.5 A2AAR Antagonism as a Means of Enhancing Immunotherapy..................... 410 4A2B Adenosine Receptors..................................................................... 410 5A3 Adenosine Receptor........................................................................ 414 5.1 Overexpression of the A3AR in Tumor Versus Normal Adjacent Tissues........... 415 5.2 InVitroStudies......................................................................... 417 5.3 InVivoStudies.......................................................................... 419 5.4 Mechanisms of Action for the Anticancer Activity of the A3AR.................... 424 6 Anticancer Activity of A3AR Antagonists.................................................... 429 7 SummaryandConclusions...................................................................