ArticleJournal of neuroendocrinology2011
Brain-derived neurotrophic factor-tyrosine kinase B pathway mediates NMDA receptor NR2B subunit phosphorylation in the supraoptic nuclei following progressive dehydration.
Article in Journal of neuroendocrinology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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Who cites it
32 citing papers in PubMed, 43 citations in OpenAlex.
- Chronic intermittent hypoxia increases EPSC frequency in median preoptic nucleus neurons through BDNF-TrkB signaling in a sex-dependent manner.Journal of neurophysiology · 2026Article
- Cell Type-Specific Expression of Purinergic P2X Receptors in the Hypothalamus.International journal of molecular sciences · 2025Review
- Cellular mechanisms of contextual fear memory reconsolidation: Role of hippocampal SFKs, TrkB receptors and GluN2B-containing NMDA receptors.Psychopharmacology · 2024Article
- Extracellular vesicles derived from Porphyromonas gingivalis induce trigeminal nerve-mediated cognitive impairment.Journal of advanced research · 2023Article
- Adjunct treatment with ketamine enhances the therapeutic effects of extinction learning after chronic unpredictable stress.Neurobiology of stress · 2022Article
- Infralimbic BDNF signaling is necessary for the beneficial effects of extinction on set shifting in stressed rats.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2022Article
- BDNF shifts excitatory-inhibitory balance in the paraventricular nucleus of the hypothalamus to elevate blood pressure.Journal of neurophysiology · 2021Article
- Cardiovascular Neuroendocrinology: Emerging Role for Neurohypophyseal Hormones in Pathophysiology.Endocrinology · 2021Review
- Minocycline alleviates nociceptive response through modulating the expression of NR2B subunit of NMDA receptor in spinal cord of rat model of painful diabetic neuropathy.Journal of diabetes and metabolic disorders · 2021Article
- High Salt Intake Recruits Tonic Activation of NR2D Subunit-Containing Extrasynaptic NMDARs in Vasopressin Neurons.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021Article
- Brain-Derived Neurotrophic Factor and Supraoptic Vasopressin Neurons in Hyponatremia.Neuroendocrinology · 2020Article
- Effects of salt-loading on supraoptic vasopressin neurones assessed by ClopHensorN chloride imaging.Journal of neuroendocrinology · 2019Article
- Angiotensin type 1a receptors in the median preoptic nucleus support intermittent hypoxia-induced hypertension.American journal of physiology. Regulatory, integrative and comparative physiology · 2019Article
- P2X2 Receptor Expression and Function Is Upregulated in the Rat Supraoptic Nucleus Stimulated Through Refeeding After Fasting.Frontiers in cellular neuroscience · 2019Article
- High salt loading increases brain derived neurotrophic factor in supraoptic vasopressin neurones.Journal of neuroendocrinology · 2018Article
- ATAmerican journal of physiology. Regulatory, integrative and comparative physiology · 2018Article
- Mapping Molecular Datasets Back to the Brain Regions They are Extracted from: Remembering the Native Countries of Hypothalamic Expatriates and Refugees.Advances in neurobiology · 2018Article
- Effects of Monoamines and Antidepressants on Astrocyte Physiology: Implications for Monoamine Hypothesis of Depression.Journal of experimental neuroscience · 2018Review
- Role of Src Family Kinases in BDNF-Mediated Suppression of Cocaine-Seeking and Prevention of Cocaine-Induced ERK, GluN2A, and GluN2B Dephosphorylation in the Prelimbic Cortex.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2017Article
- Angiotensin converting enzyme 1 in the median preoptic nucleus contributes to chronic intermittent hypoxia hypertension.Physiological reports · 2017Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
We studied the effects of water deprivation (WD) on the phosphorylation of tyrosine kinase B (TrkB) and NMDA receptor subunits in the supraoptic nucleus (SON) of the rat. Laser capture microdissection and quantitative reverse transcriptase polymerase chain reaction was used to demonstrate brain-derived neurotrophic factor (BDNF) and TrkB gene expression in vasopressin SON neurones. Immunohistochemistry confirmed BDNF staining in vasopressin neurones, whereas staining for phosphorylated TrkB was increased following WD. Western blot analysis of brain punches containing the SON revealed that tyrosine phosphorylation of TrkB (pTrkBY(515)), serine phosphorylation of NR1 (pNR1S(866) or pNR1) and tyrosine phosphorylation of NR2B subunits (pNR2BY(1472) or pNR2B) were significantly increased in WD animals compared to controls. Access to water for 2 h reduced pTrkBY(515) content to control levels without affecting pNR1 or pNR2B. Four hours of rehydration was needed to reduce pNR1 and pNR2B to control levels. To test whether increased phosphorylation of TrkB in the present study is mediated by BDNF, a group of animals were instrumented with right SON cannula coupled to mini-osmotic pumps filled with vehicle or TrkB-Fc fusion protein, which prevents BDNF binding to TrkB. In the left SON contralateral to the cannula, TrkB phosphorylation was significantly enhanced following WD. Separate analysis of the right SON, which received TrkB-Fc, showed that the TrkB receptor phosphorylation following WD was significantly attenuated. Although increased pNR1S(866) following WD was not affected by local infusion of TrkB-Fc, pNR2BY(1472) was significantly reduced. Co-immunoprecipitation revealed an increased physical interaction between Fyn kinase and NR2B and TrkB in the SON following WD. Thus, activation of TrkB in the SON following WD may affect cellular excitability through the phosphorylation of NR2B subunits.
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