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Shp2 is involved in neuronal differentiation of hippocampal precursor cells. 2007

Hak-Jae Kim, and Ah Mi Han, and Jae Hwan Shim, and Hye Hyun Yoon, and Hyockman Kwon, and Yunhee Kim Kwon
Department of Biology, Kyunghee University, Dongdaemun-Gu, Seoul 130-701, Korea.

HiB5 is a multipotent hippocampal stem cell line whose differentiation into cells of a neuronal phenotype is promoted by neurotrophic factors such as PDGF and brain-derived neurotrophic factor (BDNF). We examined the potential role of Src homology 2 (SH2)-containing protein tyrosine phosphatase (Shp2) in this differentiation process. We found that Shp2 became tyrosine phosphorylated following PDGF treatment. Wild-type Shp2 enhanced the expression of neurofilament, synapsin I and PSD95 by PDGF and BDNF, whereas their expression was attenuated by the catalytically inactive mutants Shp2C/S and Shp2DeltaP. Formation of dendritic spine-like structures increased with wild-type Shp2, but diminished with Shp2C/S and Shp2DeltaP. PSD95, localized in the post-synaptic density region of dendritic spines, PDGFRbeta and TrkB were co-immunoprecipitated with Shp2 antibodies. These results suggest that Shp2 plays a positive role in mediating PDGF- and BDNF-activated signaling which promotes the formation of dendritic spines.

UI MeSH Term Description Entries
D007150 Immunohistochemistry Histochemical localization of immunoreactive substances using labeled antibodies as reagents. Immunocytochemistry,Immunogold Techniques,Immunogold-Silver Techniques,Immunohistocytochemistry,Immunolabeling Techniques,Immunogold Technics,Immunogold-Silver Technics,Immunolabeling Technics,Immunogold Silver Technics,Immunogold Silver Techniques,Immunogold Technic,Immunogold Technique,Immunogold-Silver Technic,Immunogold-Silver Technique,Immunolabeling Technic,Immunolabeling Technique,Technic, Immunogold,Technic, Immunogold-Silver,Technic, Immunolabeling,Technics, Immunogold,Technics, Immunogold-Silver,Technics, Immunolabeling,Technique, Immunogold,Technique, Immunogold-Silver,Technique, Immunolabeling,Techniques, Immunogold,Techniques, Immunogold-Silver,Techniques, Immunolabeling
D008565 Membrane Proteins Proteins which are found in membranes including cellular and intracellular membranes. They consist of two types, peripheral and integral proteins. They include most membrane-associated enzymes, antigenic proteins, transport proteins, and drug, hormone, and lectin receptors. Cell Membrane Protein,Cell Membrane Proteins,Cell Surface Protein,Cell Surface Proteins,Integral Membrane Proteins,Membrane-Associated Protein,Surface Protein,Surface Proteins,Integral Membrane Protein,Membrane Protein,Membrane-Associated Proteins,Membrane Associated Protein,Membrane Associated Proteins,Membrane Protein, Cell,Membrane Protein, Integral,Membrane Proteins, Integral,Protein, Cell Membrane,Protein, Cell Surface,Protein, Integral Membrane,Protein, Membrane,Protein, Membrane-Associated,Protein, Surface,Proteins, Cell Membrane,Proteins, Cell Surface,Proteins, Integral Membrane,Proteins, Membrane,Proteins, Membrane-Associated,Proteins, Surface,Surface Protein, Cell
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D009474 Neurons The basic cellular units of nervous tissue. Each neuron consists of a body, an axon, and dendrites. Their purpose is to receive, conduct, and transmit impulses in the NERVOUS SYSTEM. Nerve Cells,Cell, Nerve,Cells, Nerve,Nerve Cell,Neuron
D010982 Platelet-Derived Growth Factor Mitogenic peptide growth hormone carried in the alpha-granules of platelets. It is released when platelets adhere to traumatized tissues. Connective tissue cells near the traumatized region respond by initiating the process of replication. Platelet Derived Growth Factor,Factor, Platelet-Derived Growth,Growth Factor, Platelet-Derived
D002384 Catalysis The facilitation of a chemical reaction by material (catalyst) that is not consumed by the reaction. Catalyses
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D006624 Hippocampus A curved elevation of GRAY MATTER extending the entire length of the floor of the TEMPORAL HORN of the LATERAL VENTRICLE (see also TEMPORAL LOBE). The hippocampus proper, subiculum, and DENTATE GYRUS constitute the hippocampal formation. Sometimes authors include the ENTORHINAL CORTEX in the hippocampal formation. Ammon Horn,Cornu Ammonis,Hippocampal Formation,Subiculum,Ammon's Horn,Hippocampus Proper,Ammons Horn,Formation, Hippocampal,Formations, Hippocampal,Hippocampal Formations,Hippocampus Propers,Horn, Ammon,Horn, Ammon's,Proper, Hippocampus,Propers, Hippocampus,Subiculums
D000076122 Disks Large Homolog 4 Protein A neuronal protein consisting of three PDZ DOMAINS, an SH3 DOMAIN, and a C-terminal guanylate kinase-like region (see MAGUK PROTEINS). It localizes to the POST-SYNAPTIC DENSITY and associates with the cytoplasmic tail of NMDA RECEPTORS and SHAKER POTASSIUM CHANNELS, playing a critical role in NMDA receptor-mediated SYNAPTIC PLASTICITY. Discs Large Homolog 4 Protein,PSD-95 Protein,PSD95 Protein,Postsynaptic Density Protein 95,SAP-90 Protein,SAP90 Protein,Synapse-Associated Protein 90,PSD 95 Protein,SAP 90 Protein,Synapse Associated Protein 90
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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