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JCI Insight. 2024 Mar 8;9(5):e175053. doi: 10.1172/jci.insight.175053. the University of South Florida, where he researched early-onset Alzheimer’s disease in the lab of Dr Lara-Sophie Brodmerkel "I am a medical student and I´m currently working on my MD thesis in the lab of Dr Jianxiang; Yan, Teagan; Eaton, Krystin, and Zaidman, Nathan" About Hailey Steichen "I currently work in Dr I have also worked in the laboratory of Dr.

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Discover the power of partnership with GPCR Retreat-Sponsors, the backbone of our event. Explore our dedicated Sponsors page today! Retreat 2023 About Program Registration Logo Contest Committee Sponsors Sponsors Great Lakes GPCR Retreat and Club des Récepteurs à Sept Domaines Transmembranaires du Québec 22nd GPCR Retreat Sponsored by

Join the GPCR Retreat 2023! Secure your spot now with our easy registration process. Don't miss out on this transformative experience. Retreat 2023 About Program Registration Logo Contest Committee Sponsors Registration Welcome to the Registration Portal for the 22nd GPCR Retreat taking place November 2-4, 2023 hosted at Fairmont Le Château Montebello in Montebello, Québec. We look forward to hosting you! REGISTRATIONS ARE CLOSED! Join the waitlist by emailing The Organizing Committee gpcrretreat@uottawa.ca Registration includes: Full Retreat Access All meals (please note that we will ask for dietary restrictions during the registration process) Social and networking events Early Bird Registration Fees (all fees are included): Trainee: CAD$ 360 Faculty: CAD$ 560 Industry: CAD$ 775 Early-bird Registration Deadline is September 8 at 11:59pm . Final Registration Deadline is September 21 (note that an extra CAD$ 100 will be added to the registration fee after the early bird deadline of September 8) Please follow the link here to register for the 22nd GPCR Retreat Hotel Accommodations The GPCR is proudly hosted at the Fairmont Le Château Montebello and a limited number of rooms at discounted rates have been reserved for your convenience. All hotel rooms can be booked directly with Montebello by clicking here . Please note that the meeting can accommodate a maximum of 200 individuals. Please book your rooms by October 2, 2023 , to take advantage of the discounted rates. Directions Detailed directions including directions from Ottawa, Ottawa airport, Montréal, Montréal airport, and car rental information, etc… can be viewed by clicking here . Scroll down to Maps & Information. Poster Sessions and Abstract Submissions Trainees of diversity groups are strongly encouraged to register for the meeting and submit an abstract for consideration for the trainee symposium and selected trainee short talks. Please submit your abstract by clicking here . Abstract submission deadline: October 2, 2023 If you attend the GPCR Retreat, click here Great Lakes GPCR Retreat and Club des Récepteurs à Sept Domaines Transmembranaires du Québec 22nd GPCR Retreat Sponsored by

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Full Agenda Adhesion GPCR workshop 2024 CINVESTAV, Mexico City, Mexico October 23-25 Download PDF Program HERE < Back to Full Agenda Departure < Previous Session Next Session >

Support the Adhesion GPCR Workshop 2024 with a donation. Help advance GPCR research, enable education, and connect the scientific community. DONATIONS Adhesion GPCR workshop 2024 CINVESTAV, Mexico City, Mexico October 23-25 Our Sponsors Sponsor the Adhesion GPCR Workshop 2024 Thank you for supporting the Adhesion GPCR Workshop. We will proudly feature your company’s logo on our website to appreciate your contribution.For any assistance, please contact us at Hello@DrGPCR.com . Amount $ 0/300 Please provide your company/organization information and your full name, role and email. Donate $500

Full Agenda Adhesion GPCR workshop 2024 CINVESTAV, Mexico City, Mexico October 23-25 Download PDF Program HERE < Back to Full Agenda Posters Interrogating The Role Of CELSR1 (ADGRC1) In Breast Cancer Caroline Formstone Generation and characterization of collecting duct specific GPR56 knockout mice Jianxiang Xue Anti-Tumorigenic Role of Brain Angiogenesis Inhibitor 3 (BAI3) in WNT-Activated Medulloblastomas Virginea de Araujo Farias Conformational And Functional Coupling Between Extracellular and Transmembrane Regions of a Holo-Adhesion GPCR Szymon P. Kordon Deorphanization Of The Adhesion GPCRs GPR110 and GPR116 Tingzhen Shen Self-Cleavage of GPR110 SEA Domain and Its Impact on GAIN Domain Autoproteolysis Bill Huang Tethered Agonist Dependent ADGRL3 Signaling Activity In The G12/13 Pathway Júlia Rosell Endocytic Cues Determine the Signaling Profile of Adhesion GPCR ADGRL1 / Latrophilin-1 Sheila Ribalta-Mena GPR110 modulates anxiety-like behaviors and memory function in mice potentially through neuronal and neuroimmune alterations during neurodevelopment Mariam Melkumyan Interrogating The Role Of CELSR1 (ADGRC1) In Breast Cancer Caroline Formstone Abstract "Breast cancer is the most common form of cancer amongst women. Ductal carcinomas are increasingly diagnosed but identifying which will progress to invasive disease remains difficult highlighting an urgent need for new biomarkers that distinguish ductal carcinomas on this basis. Planar cell polarity (PCP) proteins contribute to tumour growth and invasion. Recent studies identify CELSR1, a key PCP gene, as a novel biomarker for early-stage breast cancer. CELSR1 is reactivated in luminal-type ductal carcinomas. The impact of CELSR1 on cancer progression, however, is unclear. Our working hypothesis is that distinct CELSR1 protein isoforms differentially regulate tissue adhesiveness by influencing the stability/plasticity of cell-cell and cell-matrix contacts. Notably, our pilot data from luminal-type breast cancer cell lines representative of breast carcinomas with lower versus higher invasive potential reveal differential enrichment of CELSR1 protein isoforms. To test the specific hypothesis that biased expression of CELSR1 isoforms will predict invasive potential of a luminal breast carcinoma we will (a) determine, via loss-of-function assays in vitro and in vivo, whether CELSR1 protein isoforms differentially influence the stability of cell-cell and/or cell-matrix adhesions to dictate breast tumour invasive mechanism (b) quantify CELSR1 isoform expression (mRNA and protein) within patient luminal carcinoma samples exhibiting non-invasive or invasive features, the latter including heterogeneous tumours with mixed pathology. Through study of known protein isoforms of CELSR1, which would be missed in gene expression microarray analyses, we hope to illuminate the prognostic potential of CELSR1 for early-stage breast cancer." Authors & Affiliations "Klena, Ladislav University of Hertfordshire" About Caroline Formstone "Cell and developmental biologist with a focus on how planar cell polarity drives complex tissue morphogenesis. I study the cell and tissue level consequences of its failure in foetal development and of its reemployment in cancer" Caroline Formstone on the web University of Hertfordshire Generation and characterization of collecting duct specific GPR56 knockout mice Jianxiang Xue Abstract "GPR56 is a multifunctional adhesin G protein-coupled receptor involved in diverse biological processes. The role of GPR56 in the kidneys has been understudied. A recent study demonstrated that GPR56 in the glomerular endothelial cells promoted diabetic kidney disease progression via regulation of eNOS. Using RNAscope in situ hybridization (ISH) for GPR56, aquaporin 2 and NKCC2 (thick ascending limb, TAL marker), we detected GPR56 mRNA highly expressed in the collecting duct and TAL of the loop of Henle with limited expression in the proximal tubule. To determine the physiological role of GPR56 in the collecting duct, we generated a collecting duct-specific GPR56 knockout (GPR56CD-KO) mouse model by crossing GPR56flox (Control) with cadherin 16 Cre mice. The deletion of GPR56 in the collecting duct was confirmed by RNAscope ISH. GPR56CD-KO mice were born at predicted Mendelian frequencies, appeared grossly indistinguishable from Con mice, and developed normally. For baseline phenotypic characterization, blood gas analysis showed no differences in blood pH, blood HCO3-, blood Na+, or blood K+ between GPR56CD-KO and control mice. Metabolic cage experiments demonstrated no differences in fluid intake, urine volume, urinary pH or urine osmolality between genotypes in baseline. 24hr water deprivation experiment showed that GPR56CD-KO mice can concentrate urine as effectively as control mice. In conclusion, we successfully generated collecting duct-specific GPR56 knockout mouse and found no defective urine concentrating ability in GPR56CD-KO mice. This mouse model will be useful to delineate the collecting duct-specific role of GPR56 for renal function, including acid-base regulation." Authors & Affiliations "Hailey Steichen, Krystin Eaton, Teagan Yan, and Nathan Zaidman; Department of Biochemistry and Molecular Biology, University of New Mexico" About Jianxiang Xue "I am a postdoctoral researcher working in the Department of Biochemistry and Molecular Biology, University of New Mexico. I earned my PhD degree in Biomedical Sciences from the University of South Florida. During my graduate studies, using various transgenic mouse models and expertise in intestinal and renal physiology, I systematically characterized the function of sodium/hydrogen exchanger 3 in the intestine and kidneys for fluid and electrolyte homeostasis and acid-base balance. My predoctoral work was supported by an American Heart Association fellowship. Since staring my postdoctoral training, I have continued to develop my expertise to answer fundamental questions on adhesion GPCR in renal physiology and pathology. In my free time, I enjoy reading, workouts, and hiking." Jianxiang Xue on the web Zaidman Physiology Lab Anti-Tumorigenic Role of Brain Angiogenesis Inhibitor 3 (BAI3) in WNT-Activated Medulloblastomas Virginea de Araujo Farias Abstract Only available for AGPCR 24 Workshop Attendees Authors & Affiliations "Van Meir, Erwin G. University of Alabama at Birmingham" About Virginea de Araujo Farias "Brain Angiogenesis Inhibitor (BAI) proteins are members of group VII of the adhesion G protein-coupled receptor (aGPCR) family. BAI1-3 are highly expressed in the brain, where they participate in synaptogenesis and synapse maintenance. In cancers, BAI1-3 expression can be lost through epigenetic silencing, copy number loss or truncating mutations. In medulloblastomas (MB), BAI3 (ADGRB3) expression is specifically reduced in the WNT-activated group (WNT-MB), but not in the other three molecular groups. WNT pathway activation in WNT-MB is driven by mutations of the CTNNB1 gene, activating ß-catenin-dependent signaling; however, no interactions between BAI3 and the WNT signaling pathway have been described so far. MAGI3, a PDZ-containing scaffolding protein is known to downregulate WNT signaling by interacting with ß-catenin in gliomas, but it is unknown whether this involves BAI3. To explore a possible connection between BAI3 and ß-catenin signaling through MAGI3 in WNT-MB, we probed for potential protein-protein interactions using co-IP experiments. We found an interaction between BAI3 and MAGI3 in mouse brain lysates. Therefore, we hypothesize that re-expression of BAI3 in WNT-MB cells will restrain ß-catenin activity through the formation of a BAI3/MAGI3/ß-catenin complex, reducing their tumorigenic properties. To test this hypothesis, we created WNT-like MB cell lines stably expressing tet-on wild-type BAI3 or a BAI3 lacking the C-terminal PDZ-binding motif (PBM). We will present the effects of BAI3 re-expression on WNT-MB cells oncogenic properties and signaling." Virginea de Araujo Farias on the web Google Scholar Conformational And Functional Coupling Between Extracellular and Transmembrane Regions of a Holo-Adhesion GPCR Szymon P. Kordon Abstract "Adhesion G Protein-Coupled Receptors (aGPCRs) are key cell-adhesion molecules involved in numerous physiological functions. aGPCRs have large multi-domain extracellular regions (ECR) that mediate cell adhesion and play roles in transmitting extracellular signals to the inside of the cell. Ligand binding and mechanical force applied on the ECR regulate receptor function. However, how the ECR communicates with the seven-pass transmembrane domain (7TM) remains elusive, because the relative orientation and dynamics of the ECR and 7TM within a holoreceptor is unclear. Here, we describe the cryo-EM reconstruction of an aGPCR, Latrophilin3/ADGRL3, and reveal that the conserved GAIN domain, that directly precedes 7TM, adopts a parallel orientation to the membrane and has constrained movement. Single-molecule FRET experiments unveil three slow-exchanging FRET states of the ECR relative to the 7TM within the holoreceptor. GAIN-targeted antibodies, and cancer-associated mutations at the GAIN-7TM interface, alter holoreceptor conformations, and modulate downstream receptor signaling. Altogether, this data demonstrates conformational and functional coupling between the ECR and 7TM, suggesting an ECR-mediated mechanism for aGPCR activation." Authors & Affiliations "Cechova Kristina (3), Bandekar Sumit J.(1, 2), Leon Katherine (1, 2), Dutka Przemysław (1, 4), Siffer Gracie (3), Kossiakoff Anthony A. (1), Vafabakhsh Reza (3), Araç Demet (1, 2) 1. Department of Biochemistry and Molecular Biology, The University of Chicago, Chicago, IL, USA; 2. Neuroscience Institute, Institute for Biophysical Dynamics, and Center for Mechanical Excitability, The University of Chicago, Chicago, IL, USA; 3. Department of Molecular Biosciences, Northwestern University, Evanston, IL, USA; 4. Current affiliation: Department of Structural Biology, Genentech, South San Francisco, CA, USA" About Szymon P. Kordon "I am a postdoctoral scholar in the Araç Lab at The University of Chicago, studying the structure and function of aGPCRs. Utilizing synthetic antibody fragments, I aim to understand better the structural basis of the aGPCRs activation and signaling and to characterize ECR-mediated signal transduction at the molecular level." Szymon P. Kordon on the web Araç Laboratory at UChicago Deorphanization Of The Adhesion GPCRs GPR110 and GPR116 Tingzhen Shen Abstract Only available for AGPCR 24 Workshop Attendees Authors & Affiliations "Frank E. Kwarcinski, Gregory G. Tall (University of Michigan, Ann Arbor)" About Tingzhen Shen "A graduate student from Tall Lab, department of Pharmacology, University of Michigan, Ann Arbor." Tingzhen Shen on the web University of Michigan Self-Cleavage of GPR110 SEA Domain and Its Impact on GAIN Domain Autoproteolysis Bill Huang Abstract Only available for AGPCR 24 Workshop Attendees Authors & Affiliations "Hee-Yong Kim, Laboratory of Molecular Signaling, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, MD, USA" About Bill Huang "Researcher" Bill Huang on the web LinkedIn Tethered Agonist Dependent ADGRL3 Signaling Activity In The G12/13 Pathway Júlia Rosell Abstract Only available for AGPCR 24 Workshop Attendees Authors & Affiliations "Regmi, Rajesh (1), Perry-Hauser, Nicole A. (2), Javitch, Jonathan A. (2), Mathiasen, Signe (1) (1) Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark. (2) Department of Psychiatry and Molecular Pharmacology and Therapeutics, Columbia University Vagelos College of Physicians and Surgeons, New York, USA; Division of Molecular Therapeutics, New York State Psychiatric Institute, New York, USA" About Júlia Rosell "I am a first-year PhD student with two years of experience in the adhesion GPCR field. I completed my Master’s thesis on ADGRL3, where I conducted research involving mammalian cell cultures and techniques such as BRET assays and gene expression assays. Currently, my research focuses on the intracellular signaling of ADGRL3 from a single-molecule perspective and investigating how the binding of extracellular transsynaptic ligands modulates ADGRL3 activity, aiming to elucidate their interplay." Júlia Rosell on the web LinkedIn Endocytic Cues Determine the Signaling Profile of Adhesion GPCR ADGRL1 / Latrophilin-1 Sheila Ribalta-Mena Abstract Only available for AGPCR 24 Workshop Attendees Authors & Affiliations " Hernández-Aranda Judith 2, Correoso-Braña Kerlys 1, Vialou Vincent 3, Leduc Richard 4, Olivares-Reyes Jesús Alberto 2, Boucard Antony A1. 1 Department of Cell Biology, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), México City, México. 2 Department of Biochemistry, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), México City, México. 3 Sorbonne Université, Inserm, CNRS, Neurosciences Paris Seine, Paris, France. 4 Department of Physiology and Pharmacology, Université de Sherbrooke, Sherbrooke, Canada " About Sheila Ribalta-Mena " Cell Biology PhD student " Sheila Ribalta-Mena on the web CINVESTAV ResearchGate LinkedIn GPR110 modulates anxiety-like behaviors and memory function in mice potentially through neuronal and neuroimmune alterations during neurodevelopment Mariam Melkumyan Abstract "GPR110, an adhesion G protein coupled receptor (GPCR), is widely expressed in developing brains but diminishes in adult stage except in the hippocampus, a region involved in learning and memory. Ligand-induced GPR110 signaling stimulates neurogenesis and synaptogenesis during development, and the absence of the ligand-induced signaling causes object recognition and spatial memory deficits in adulthood and increased neuroinflammatory responses. Nevertheless, the role of GPR110 signaling in behavioral consequences has not been fully explored. This study aimed to understand the effects of GPR110 on mouse behaviors in relation to neurodevelopmental and neuroimmune gene and protein expression. Anxiety and memory function were tested using both male and female mice at 5-6 month of age. GPR110 knockout (KO) mice displayed trends for increased anxiety-like behaviors in the elevated plus maze test and in the open field test. Memory tests, including the novel object test and the radial 8-arm maze showed worsened spatial and reference memory in the GPR110 KO mice compared to wildtype mice. The y-maze showed a significant sex by genotype interactions with GPR110 KO male mice having increased number of correct alterations and errors, while the GPR110 KO females had fewer correct alterations and errors. RNAseq data indicated significantly impaired developmental gene expression for neuronal differentiation, axonogenesis, and synaptogenesis, as well as altered neuroinflammatory marker expression in GPR110 KO mouse brains. Further studies exploring the protein expression and neural activity of these mouse brain will give insight on the mechanism underlying the behavioral consequences associated with the GPR110 receptor. " Authors & Affiliations "Joel Toro, Bill Huang, Hee-Yong Kim Laboratory of Molecular Signaling, National Institute of Alcohol Abuse and Alcoholism, NIH" About Mariam Melkumyan "Mariam Melkumyan is a postdoctoral fellow at the Laboratory of Molecular Signaling studying the role of GPR110 in neurotransmission and neuroimmune activity involved in learning and memory, anxiety, and alcohol use. Mariam, originally from Armenia, completed her bachelor's degree in Neuroscience at American University in Washington, DC and her dual-title PhD in Neuroscience and Clinical and Translational Sciences at Penn State College of Medicine in Hershey, PA. Mariam started her postdoctoral training in February 2024 and is hoping to become an academic professor and mentor the next generation of scientists." Mariam Melkumyan on the web LinkedIn Google Scholar < Previous Session Next Session >

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Submit your abstract for the Adhesion GPCR Workshop 2024. Share your research, connect with experts, and be part of the leading GPCR scientific community. ABSTRACT SUBMISSION Adhesion GPCR workshop 2024 CINVESTAV, Mexico City, Mexico October 23-25 Submit your Abstract Here Abstracts configuration 1. Abstract category (oral presentations) 2. Title: Capitalize each word, 20 words max, Bold 3. Authors’ names in full: Last name, First name 4. Institutions 5. Abstract body 6. Funding source Oral presentations Extended deadline: August 1st Speaker name indicated in bold and underlined Indicate abstract category on top left corner (up to 2 categories max) Abstract categories Signaling Trafficking Metabolism Structure and Bioinformatics Health and Disease Immunology Nervous system Model Organism Phylogenetics and Evolution Aging Basic and Clinical Pharmacology Proteomic and Transcriptomics Biosensors and Molecular Tools Biomarkers Poster presentations Deadline: August 1 The presenter's name is indicated in bold and underlined Poster size Poster width: 90 cm max Poster height: 140 cm max Register for the Adhesion GPCR 2024 [ Registration extended until September 15th ] Learn more about the Adhesion GPCR workshop 2024 Up About the event Learn more about the Adhesion GPCR Workshop 2024 and its preliminary program. Up About the venue Discover Cinvestav, the host venue for the upcoming workshop. Up Traveling Tips Find essential tips about Mexico City, including transportation options and local insights. Up Logo Contest Enter our logo contest for a chance to have your design represent the upcoming event.