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The generation of precise synaptic connections between developing neurons is critical to the formation of functional neural circuits. Astrocyte-secreted glypican 4 induces formation of active excitatory synapses by recruiting AMPA glutamate receptors to the postsynaptic cell surface. We now identify the molecular mechanism of how glypican 4 exerts its effect. Glypican 4 induces release of the AMPA receptor clustering factor neuronal pentraxin 1 from presynaptic terminals by signaling through presynaptic protein tyrosine phosphatase receptor δ. Pentraxin then accumulates AMPA receptors on the postsynaptic terminal forming functional synapses. Our findings reveal a signaling pathway that regulates synaptic activity during central nervous system development and demonstrates a role for astrocytes as organizers of active synaptic connections by coordinating both pre and post synaptic neurons. As mutations in glypicans are associated with neurological disorders, such as autism and schizophrenia, this signaling cascade offers new avenues to modulate synaptic function in disease.
Pubmed ID: 29024665 RIS Download
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Non-profit plasmid repository dedicated to helping scientists around the world share high-quality plasmids. Facilitates archiving and distributing DNA-based research reagents and associated data to scientists worldwide. Repository contains over 65,000 plasmids, including special collections on CRISPR, fluorescent proteins, and ready-to-use viral preparations. There is no cost for scientists to deposit plasmids, which saves time and money associated with shipping plasmids themselves. All plasmids are fully sequenced for validation and sequencing data is openly available. We handle the appropriate Material Transfer Agreements (MTA) with institutions, facilitating open exchange and offering intellectual property and liability protection for depositing scientists. Furthermore, we curate free educational resources for the scientific community including a blog, eBooks, video protocols, and detailed molecular biology resources.
View all literature mentionsAn independent, nonprofit organization focused on mammalian genetics research to advance human health. Their mission is to discover the genetic basis for preventing, treating, and curing human disease, and to enable research for the global biomedical community. Jackson Laboratory breeds and manages colonies of mice as resources for other research institutions and laboratories, along with providing software and techniques. Jackson Lab also conducts genetic research and provides educational material for various educational levels.
View all literature mentionsTHIS RESOURCE IS NO LONGER IN SERVICE, documented on February 1st, 2022. Software application for genetic analysis of classical biometric traits like blood pressure or height that are caused by a combination of polygenic inheritance and complex environmental forces. (entry from Genetic Analysis Software)
View all literature mentionsDigital image processing system where microscope settings and processing steps may be adjusted in single user interface. Can acquire images from variety of cameras. Includes software package for capturing, archiving and preparing images for publication. Allows users to visualize and present images in several dimensions. Functionality of imaging toolbox expands constantly with wide range of different modules that are tailored to specific applications or microscope accessories. This resource is duplicated by SCR_018376
View all literature mentionsSoftware package as distribution of ImageJ and ImageJ2 together with Java, Java3D and plugins organized into coherent menu structure. Used to assist research in life sciences.
View all literature mentionsCenter that produces knockout mice and carries out high-throughput phenotyping of each line in order to determine function of every gene in mouse genome. These mice will be preserved in repositories and made available to scientific community representing valuable resource for basic scientific research as well as generating new models for human diseases.
View all literature mentionsA biotechnology corporation that uses human genetic information to discover, develop, manufacture and commercialize medicines to treat patients with serious or life-threatening medical conditions.
View all literature mentionsNEURON is a simulation environment for modeling individual neurons and networks of neurons. It provides tools for conveniently building, managing, and using models in a way that is numerically sound and computationally efficient. It is particularly well-suited to problems that are closely linked to experimental data, especially those that involve cells with complex anatomical and biophysical properties. NEURON has benefited from judicious revision and selective enhancement, guided by feedback from the growing number of neuroscientists who have used it to incorporate empirically-based modeling into their research strategies. NEURON's computational engine employs special algorithms that achieve high efficiency by exploiting the structure of the equations that describe neuronal properties. It has functions that are tailored for conveniently controlling simulations, and presenting the results of real neurophysiological problems graphically in ways that are quickly and intuitively grasped. Instead of forcing users to reformulate their conceptual models to fit the requirements of a general purpose simulator, NEURON is designed to let them deal directly with familiar neuroscience concepts. Consequently, users can think in terms of the biophysical properties of membrane and cytoplasm, the branched architecture of neurons, and the effects of synaptic communication between cells. * helps users focus on important biological issues rather than purely computational concerns * has a convenient user interface * has a user-extendable library of biophysical mechanisms * has many enhancements for efficient network modeling * offers customizable initialization and simulation flow control * is widely used in neuroscience research by experimentalists and theoreticians * is well-documented and actively supported * is free, open source, and runs on (almost) everything
View all literature mentionsSoftware designed to clean-up biosensor data. It can zero and crop data, align injection times, correct for DMSO effects and fit binding curves and offrates.
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Mus musculus with name C57BL/6N-Atm1Brd Ptprd
laboratory mouse with name BALB/cAnNCrl from MGI.
View all literature mentionsThis unknown targets Mouse IgG
View all literature mentionsThis unknown targets Chicken IgG (H+L)
View all literature mentionsThis polyclonal secondary targets IgG (H+L)
View all literature mentionsThis unknown targets Guinea Pig IgG (H+L)
View all literature mentionsThis polyclonal secondary targets IgG (H+L)
View all literature mentionsThis polyclonal secondary targets IgG (H+L)
View all literature mentionsThis polyclonal secondary targets IgG (H+L)
View all literature mentionsThis polyclonal secondary targets IgG (H+L)
View all literature mentionsThis unknown targets Mouse IgG (H+L)
View all literature mentionsThis unknown targets Mouse IgG (H+L)
View all literature mentionsThis unknown targets Rat IgG (H+L)
View all literature mentionsThis unknown targets Rat IgG (H+L)
View all literature mentionsThis unknown targets Rat IgG (H+L)
View all literature mentionsThis polyclonal targets GFP (Green Fluorescent Protein)
View all literature mentionsThis polyclonal targets Glutamate receptor 1
View all literature mentionsThis unknown targets NPTX1
View all literature mentionsThis monoclonal targets Neuronal Pentraxin
View all literature mentionsThis monoclonal targets beta Tubulin Loading Control
View all literature mentionsThis polyclonal targets VGluT2
View all literature mentionsThis polyclonal targets VGLUT1
View all literature mentionsThis monoclonal targets Bsn
View all literature mentionsThis unknown targets PSD-95
View all literature mentionsThis monoclonal targets PSD-95
View all literature mentionsThis polyclonal targets HOMER1
View all literature mentionsThis polyclonal targets Rat HOMER
View all literature mentionsThis polyclonal targets Glypican 4
View all literature mentionsThis polyclonal targets FLAG
View all literature mentionsThis unknown targets HA
View all literature mentionsThis monoclonal targets HA
View all literature mentionsTHIS RESOURCE IS NO LONGER IN SERVICE. Documented on September 28,2023. Software application which can analyze basic Western blot data and export them for use in spreadsheet programs. Users can create standardized or custom lab reports and can share them with colleagues. Image Studio Lite has been discontinued and replaced with Empiria Studio Software.
View all literature mentionsSoftware tool for automated microscope acquisition, device control, and image analysis. Used for integrating dissimilar fluorescent microscope hardware and peripherals into a single custom workstation, while providing all the tools needed to perform analysis of acquired images. Offers user friendly application modules for analysis such as cell signaling, cell counting, and protein expression.
View all literature mentionsStatistical analysis software that combines scientific graphing, comprehensive curve fitting (nonlinear regression), understandable statistics, and data organization. Designed for biological research applications in pharmacology, physiology, and other biological fields for data analysis, hypothesis testing, and modeling.
View all literature mentionsStatistical analysis and scientific graphing software for Windows OS.
View all literature mentionsUser interface software for Carl Zeiss light microscopy imaging systems. ZEN is the universal user interface you will see on every imaging system from ZEISS. After selecting fluorophore, ZEN applies the necessary settings to collect and organize data.
View all literature mentionsImaris provides range of capabilities for working with three dimensional images. Uses flexible editing and processing functions, such as interactive surface rendering and object slicing capabilities. And output to standard TIFF, Quicktime and AVI formats. Imaris accepts virtually all image formats that are used in confocal microscopy and many of those used in wide-field image acquisition.
View all literature mentionsMus musculus with name B6;129S5-Gpc4tm1Lex/Mmucd from MMRRC.
View all literature mentionsMus musculus with name B6.Cg-Tg(Gfap-cre)73.12Mvs/J from IMSR.
View all literature mentionsMus musculus with name B6.Cg-Tg(Gfap-cre)77.6Mvs/2J from IMSR.
View all literature mentionsMus musculus with name B6;FVB-Tg(Aldh1l1-cre)JD1884Htz/J from IMSR.
View all literature mentionsMus musculus with name B6.Cg-Gt(ROSA)26Sortm14(CAG-tdTomato)Hze/J from IMSR.
View all literature mentionsMus musculus with name B6.129S4-Gt(ROSA)26Sortm1(FLP1)Dym/RainJ from IMSR.
View all literature mentionsMus musculus with name C57BL/6J from IMSR.
View all literature mentionsRattus norvegicus with name Sim:SD from RGD.
View all literature mentionsCell line T11D7e2 is a Hybridoma with a species of origin Mus musculus (Mouse)
View all literature mentionsCell line HEK293T is a Transformed cell line with a species of origin Homo sapiens (Human)
View all literature mentionsCell line HEK293 is a Transformed cell line with a species of origin Homo sapiens (Human)
View all literature mentionsThis polyclonal targets VGLUT1
View all literature mentionsThis polyclonal targets VGluT2
View all literature mentionsTHIS RESOURCE IS NO LONGER IN SERVICE. Documented on September 28,2023. Software application which can analyze basic Western blot data and export them for use in spreadsheet programs. Users can create standardized or custom lab reports and can share them with colleagues. Image Studio Lite has been discontinued and replaced with Empiria Studio Software.
View all literature mentionsThe SciCrunch Infrastructure was developed as a cooperative data platform to be used by diverse communities in making data more FAIR.
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