ArticleProceedings of the National Academy of Sciences of the United States of America2014
Tyrosine phosphorylation of GluK2 up-regulates kainate receptor-mediated responses and downstream signaling after brain ischemia.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 23 citations in OpenAlex.
- Article
- Proteomic Analysis of Mouse Cerebral Cortex Following Experimental Ischemic Stroke: Identifying Novel Biomarkers of Damage and Repair.Cellular and molecular neurobiology · 2025Article
- Electrophysiological Signatures in Global Cerebral Ischemia: Neuroprotection Via Chemogenetic Inhibition of CA1 Pyramidal Neurons in Rats.Journal of the American Heart Association · 2024Article
- ErbB4 in parvalbumin-positive interneurons mediates proactive interference in olfactory associative reversal learning.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2022Article
- Activation of Extrasynaptic Kainate Receptors Drives Hilar Mossy Cell Activity.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2022Article
- Comparative Metabolomics Reveals the Microenvironment of Common T-Helper Cells and Differential Immune Cells Linked to Unique Periapical Lesions.Frontiers in immunology · 2021Article
- MAPK10 Expression as a Prognostic Marker of the Immunosuppressive Tumor Microenvironment in Human Hepatocellular Carcinoma.Frontiers in oncology · 2021Article
- Tyrosine Phosphorylation of the KInternational journal of molecular sciences · 2020Article
- Ischemic postconditioning confers cerebroprotection by stabilizing VDACs after brain ischemia.Cell death & disease · 2018Article
- Construction of PLGA/JNK3-shRNA nanoparticles and their protective role in hippocampal neuron apoptosis induced by oxygen and glucose deprivation.RSC advances · 2018Review
- A role for ErbB signaling in the induction of reactive astrogliosis.Cell discovery · 2017Article
- Review
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9 authors at 1 institution in 1 country.
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Abstract
Although kainate receptors play important roles in ischemic stroke, the molecular mechanisms underlying postischemic regulation of kainate receptors remain unclear. In this study we demonstrate that Src family kinases contribute to the potentiation of kainate receptor function. Brain ischemia and reperfusion induce rapid and sustained phosphorylation of the kainate receptor subunit GluK2 by Src in the rat hippocampus, implicating a critical role for Src-mediated GluK2 phosphorylation in ischemic brain injury. The NMDA and kainate receptors are involved in the tyrosine phosphorylation of GluK2. GluK2 binds to Src, and the tyrosine residue at position 590 (Y590) on GluK2 is a major site of phosphorylation by Src kinases. GluK2 phosphorylation at Y590 is responsible for increases in whole-cell currents and calcium influx in response to transient kainate stimulation. In addition, GluK2 phosphorylation at Y590 facilitates the endocytosis of GluK2 subunits, and the activation of JNK3 and its substrate c-Jun after long-term kainate treatment. Thus, Src phosphorylation of GluK2 plays an important role in the opening of kainate receptor channels and downstream proapoptosis signaling after brain ischemia. The present study reveals an additional mechanism for the regulation of GluK2-containing kainate receptors by Src family kinases, which may be of pathological significance in ischemic stroke.
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