ArticleDrug design, development and therapy2019
Dexmedetomidine Promotes Hippocampal Neurogenesis and Improves Spatial Learning and Memory in Neonatal Rats.
Article in Drug design, development and therapy, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
21 citing papers in PubMed, 1 synthesis or guideline pooled it, 42 citations in OpenAlex.
- The Effect of Dexmedetomidine on Emergence Agitation or Delirium in Children After Anesthesia-A Systematic Review and Meta-Analysis of Clinical Studies.Frontiers in pediatrics · 2020Pooled it
- Cognitive and Pyroptotic Outcomes of Neonatal Ketamine and Dexmedetomidine: Potential Neuroprotection via Caspase-1 Modulation.Developmental neurobiology · 2026Article
- Dexmedetomidine Preserves Hippocampal Neurogenesis During Recovery from Neonatal Hyperoxia in Rats.Cells · 2026Article
- A Localization-Based Motif Combination Approach To the Design of Antimicrobial Peptides Targeting Gram-Positive and Gram-Negative Bacteria.Probiotics and antimicrobial proteins · 2026Article
- Drug-specific recovery of long-term memory and visual discrimination after anaesthetic-induced unconsciousness in rats.British journal of anaesthesia · 2025Article
- Dexmedetomidine for analgesia and sedation for procedural pain or discomfort in newborn infants.The Cochrane database of systematic reviews · 2025Article
- Dexmedetomidine Improves Learning Functions in Male Rats Modeling Cognitive Impairment by Modulating the BDNF/TrkB/CREB Signaling Pathway.Life (Basel, Switzerland) · 2024Article
- Dendrobine Ameliorates Alzheimer's Disease-like Pathology and Cognitive Decline in 3 × Tg-AD Mice.Brain sciences · 2024Article
- Intrathecal injection of human placental mesenchymal stem cells derived exosomes significantly improves functional recovery in spinal cord injured rats.Molecular biology reports · 2024Article
- Dexmedetomidine Regulates Autophagy via the AMPK/mTOR Pathway to Improve SH-SY5Y-APP Cell Damage Induced by High Glucose.Neuromolecular medicine · 2023Article
- Dexmedetomidine attenuates neuroinflammation and microglia activation in LPS-stimulated BV2 microglia cells through targeting circ-Shank3/miR-140-3p/TLR4 axis.European journal of histochemistry : EJH · 2023Article
- Article
- Dexmedetomidine Attenuates Methotrexate-Induced Neurotoxicity and Memory Deficits in Rats through Improving Hippocampal Neurogenesis: The Role of miR-15a/ROCK-1/ERK1/2/CREB/BDNF Pathway Modulation.International journal of molecular sciences · 2023Article
- Dexmedetomidine Versus Fentanyl for Neonates With Hypoxic Ischemic Encephalopathy Undergoing Therapeutic Hypothermia.The journal of pediatric pharmacology and therapeutics : JPPT : the official journal of PPAG · 2022Article
- Review
- Dexmedetomidine alleviates olfactory cognitive dysfunction by promoting neurogenesis in the subventricular zone of hypoxic-ischemic neonatal rats.Frontiers in pharmacology · 2022Article
- Dexmedetomidine Alleviates Lipopolysaccharide-Induced Hippocampal Neuronal Apoptosis via Inhibiting the p38 MAPK/c-Myc/CLIC4 Signaling Pathway in Rats.Molecular neurobiology · 2021Article
- Dexmedetomidine Ameliorates Postoperative Cognitive Dysfunction in Aged Mice.Neurochemical research · 2021Article
- Neuroprotective Effects Against Cerebral Ischemic Injury Exerted by Dexmedetomidine via the HDAC5/NPAS4/MDM2/PSD-95 Axis.Molecular neurobiology · 2021Article
- Recent Advances in the Clinical Value and Potential of Dexmedetomidine.Journal of inflammation research · 2021Review
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDexmedetomidine (Dex) is a highly selective α2-adrenoceptor agonist used as an off-label medication for pediatric sedation and analgesia. Recently, Dex was reported to exhibit neuroprotective efficacy in several brain injury models. Here we investigate whether neonatal Dex administration promotes hippocampal neurogenesis and enhances hippocampus-dependent spatial learning and memory under physiological conditions.
methodsPostnatal day 7 (P7) pups were administered saline (vehicle control) or Dex (10, 20, or 40 µg/kg) by intraperitoneal injection. Neurogenesis and astrogenesis were examined in brain slices by BrdU immunostaining on P8 and changes in the expression levels of GDNF, NCAM, CREB, PSD95, and GAP43 were assessed by Western blotting on P35, respectively. Open field and Morris water maze (MWM) tests were conducted from P28 to P36 in order to assess effects on general motor activity and spatial learning, respectively.
resultsDexmedetomidine at 20 µg/kg significantly enhanced neurogenesis and astrogenesis in hippocampus and upregulated GDNF, NCAM, CREB, PSD95, and GAP43 compared to vehicle and other Dex doses. Moreover, 20 µg/kg Dex-injected rats showed no changes in motor or anxiety-like behavior but performed better in the MWM test compared to all other groups.
conclusionNeonatal injection of Dex (20 µg/kg) enhances spatial learning and memory in rat pups, potentially by promoting hippocampal neurogenesis and synaptic plasticity via activation of GDNF/NCAM/CREB signaling.
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Registered trials
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