ArticleThe Journal of physiology2004
Physiological, neurochemical and morphological properties of a subgroup of GABAergic spinal lamina II neurones identified by expression of green fluorescent protein in mice.
Article in The Journal of physiology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 113 papers.
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Who cites it
113 citing papers in PubMed, 187 citations in OpenAlex.
- Targeting Spinal Dorsal Horn Sensitisation in Chronic Pain: Mechanisms and Translational Strategies.Neuroscience bulletin · 2026Review
- Restoration of gamma-aminobutyric acid homeostasis: A novel approach to alleviating central nervous system injury-associated immunodepression syndrome.Neural regeneration research · 2026Article
- Methylglyoxal alters C-fibre activity-dependent slowing and induces heat hyperalgesia in a sex-dependent manner, in rats.Pain reports · 2026Article
- Molecularly diverse glycinergic interneurons in the medial deep dorsal horn are interposed between primary sensory afferents and spinal Shox2 interneurons.Frontiers in neural circuits · 2026Article
- Structural Plasticity of Peptidergic and Nonpeptidergic C Afferent Terminals in the Medullary Dorsal Horn during Craniofacial Inflammatory Pain.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Effects of perinatal iron deficiency on spinal dorsal horn circuits.The journal of pain · 2025Article
- An electrophysiologist's guide to dorsal horn excitability and pain.Frontiers in cellular neuroscience · 2025Review
- Spinal Glycine Receptor Alpha 3 Cells Communicate Sensations of Chemical Itch in Hairy Skin.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- Characterisation of NPFF-expressing neurons in the superficial dorsal horn of the mouse spinal cord.Scientific reports · 2023Article
- Excitatory and Inhibitory Neurons of the Spinal Cord Superficial Dorsal Horn Diverge in Their Somatosensory Responses and PlasticityThe Journal of neuroscience : the official journal of the Society for Neuroscience · 2022Article
- Analyses of the Mode of Action of an Alpha-Adrenoceptor Blocker in Substantia Gelatinosa Neurons in Rats.International journal of molecular sciences · 2021Article
- Fast A-type currents shape a rapidly adapting form of delayed short latency firing of excitatory superficial dorsal horn neurons that express the neuropeptide Y Y1 receptor.The Journal of physiology · 2021Article
- Spinal Inhibitory Interneurons: Gatekeepers of Sensorimotor Pathways.International journal of molecular sciences · 2021Review
- Neuron Type-Dependent Synaptic Activity in the Spinal Dorsal Horn of Opioid-Induced Hyperalgesia Mouse Model.Frontiers in synaptic neuroscience · 2021Article
- Recent advances in our understanding of the organization of dorsal horn neuron populations and their contribution to cutaneous mechanical allodynia.Journal of neural transmission (Vienna, Austria : 1996) · 2020Review
- Reviewing the case for compromised spinal inhibition in neuropathic pain.Journal of neural transmission (Vienna, Austria : 1996) · 2020Review
- PKCγ interneurons, a gateway to pathological pain in the dorsal horn.Journal of neural transmission (Vienna, Austria : 1996) · 2020Review
- Dorsal Horn of Mouse Lumbar Spinal Cord Imaged with CLARITY.BioMed research international · 2020Article
- Transgenic Cross-Referencing of Inhibitory and Excitatory Interneuron Populations to Dissect Neuronal Heterogeneity in the Dorsal Horn.Frontiers in molecular neuroscience · 2020Article
- Pain Inhibits GRPR Neurons via GABAergic Signaling in the Spinal Cord.Scientific reports · 2019Article
53 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The processing of sensory, including nociceptive, information in spinal dorsal horn is critically modulated by spinal GABAergic neurones. For example, blockade of spinal GABA(A) receptors leads to pain evoked by normally innocuous tactile stimulation (tactile allodynia) in rats. GABAergic dorsal horn neurones have been classified neurochemically and morphologically, but little is known about their physiological properties. We used a transgenic mouse strain coexpressing enhanced green fluorescent protein (EGFP) and the GABA-synthesizing enzyme GAD67 to investigate the properties of a subgroup of GABAergic neurones. Immunohistochemistry showed that EGFP-expressing neurones accounted for about one-third of the GABAergic neurones in lamina II of the spinal dorsal horn. They constituted a neurochemically rather heterogeneous group where 27% of the neurones coexpressed glycine, 23% coexpressed parvalbumin and 14% coexpressed neuronal nitric oxide synthase (nNOS). We found almost no expression of protein kinase Cgamma (PKCgamma) in EGFP-labelled neurones but a high costaining with PKCbetaII (78%). The whole-cell patch-clamp technique was used to intracellularly label and physiologically characterize EGFP- and non-EGFP-expressing lamina II neurones in spinal cord slices. Sixty-two per cent of the EGFP-labelled neurones were islet cells while the morphology of non-EGFP-labelled neurones was more variable. When stimulated by rectangular current injections, EGFP-expressing neurones typically exhibited an initial bursting firing pattern while non-EGFP-expressing neurones were either of the gap or the delayed firing type. EGFP-expressing neurones received a greater proportion of monosynaptic input from the dorsal root, especially from primary afferent C-fibres. In conclusion, EGFP expression defined a substantial but, with respect to the measured parameters, rather inhomogeneous subgroup of GABAergic neurones in spinal lamina II. These results provide a base to elucidate the functional roles of this subgroup of GABAergic lamina II neurones, e.g. for nociception.
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