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A Critical Involvement of Glutamatergic Neurons in the Anterior Insular Cortex for Subdiaphragmatic Vagotomy-induced Analgesia.

Subdiaphragmatic vagotomy (SDV) is known to produce analgesic effect in various pain conditions including not only visceral pain but also somatic pain. We aimed to determine brain mechanisms by which […]

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A Gain-of-function Mutation in the Gating Domain of ITPR1 Impairs Motor Movement and Increases Thermal and Mechanical Sensitivity.

Inositol 1,4,5-trisphosphate receptor type 1 (ITPR1) is an intracellular Ca release channel important for a number of fundamental cellular functions. Consistent with its critical physiological significance, mutations in ITPR1 are […]

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The Insulin receptor regulates the persistence of mechanical nociceptive sensitization in flies and mice.

Early phase diabetes is often accompanied by pain sensitization. In Drosophila, the insulin receptor (InR) regulates the persistence of injury-induced thermal nociceptive sensitization. Whether Drosophila InR also regulates the persistence […]

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Sustained and potent analgesia with negligible side effects enabled by adaptive individualized granular stimulation in rat brainstem.

To clarify if an adaptive current stimulation protocol, in which current amplitude is modulated during continuous stimulation, provides better efficacy than constant current stimulation protocol with respect to analgesia caused […]

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SARS-CoV-2 airway infection results in the development of somatosensory abnormalities in a hamster model.

Although largely confined to the airways, SARS-CoV-2 infection has been associated with sensory abnormalities that manifest in both acute and chronic phenotypes. To gain insight on the molecular basis of […]

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REV-ERB activation as a novel pharmacological approach for treating inflammatory pain.

Pain is a complex problem affecting millions of people worldwide. The current therapies to reduce pain are limited as many treatment options inadequately address the causes of pain, lead to […]

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Climbing behavior by mice as an endpoint for preclinical assessment of drug effects in the absence and presence of pain.

This study evaluated climbing in mice as a tool to assess the expression and treatment of pain-related behavioral depression in male and female ICR mice. Mice were videotaped during 10-min […]

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Acetic acid-induced pain elicits stress-, and camouflage-related responses in zebrafish: Modulatory effects of opioidergic drugs on neurobehavioral phenotypes.

Pain results from the activation of nociceptors following noxious stimuli and evidence shows a link between pain- and stress-related responses in mammalian organisms. In zebrafish, the activation of hypothalamic-pituitary-interrenal (HPI) […]

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Histochemical analysis of the biphasic properties of formalin pain-induced behavior.

The formalin test has been established as a method for evaluating mouse models of pain. Although there have been numerous reports of formalin-pain-induced behavior, few reports of a detailed histochemical […]

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Temporal dynamics of electroencephalographic microstates during sustained pain.

Brain dynamics can be modeled by a sequence of transient, nonoverlapping patterns of quasi-stable electrical potentials named “microstates.” While electroencephalographic (EEG) microstates among patients with chronic pain remained inconsistent in […]

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