Results 141 to 150 of about 16,227 (258)

Wnt3a Inhibitor Attenuates Remifentanil-Induced Hyperalgesia via Downregulating Spinal NMDA Receptor in Rats

open access: yesJournal of Pain Research, 2020
Yuan Gao,* Songyi Zhou,* Yizhao Pan, Lijun Gu, Yuting He, Jiehao Sun Department of Anesthesiology, 1st Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, People’s Republic of China*These authors contributed equally to this ...
Gao Y, Zhou S, Pan Y, Gu L, He Y, Sun J
doaj  

Placebo and nocebo effects on pain through the lens of the predictive brain: Neurobiological mechanisms and translational implications

open access: yesExperimental Physiology, EarlyView.
Abstract Placebo and nocebo effects on pain provide a model for investigating how cognitive and contextual factors modulate the physiological processes underlying nociception and its regulation. However, existing accounts remain fragmented and lack a unifying mechanistic framework linking brain, behaviour and autonomic responses.
Denisa Adina Zamfira   +4 more
wiley   +1 more source

Mechanical sensitization of sensory afferents after passive transfer of fibromyalgia IgG

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend In addition to widespread pain and fatigue, people with fibromyalgia (FM) experience sensory abnormalities and report lingering, painful sensations after touch or mechanical probing of the skin. Administration of IgG purified from FM patients to mice transfers symptoms and signs of FM.
Mathilde R. Israel   +5 more
wiley   +1 more source

Dynamic memory in rodent C‐fibres and its impact on spinal nociceptive processing

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Nociceptive C‐fibres display activity‐dependent slowing (ADS) whereby successive action potentials are conducted progressively slower thus regulating the temporal relay of pain signals. This study shows that the ADS induced by short stimulus trains (which mimic stimulus evoked firing, shown in orange) is modified by prior ...
Atanaska N. Velichkova, Carole Torsney
wiley   +1 more source

The contribution of peripheral nerves to the pleasure from scratching an itch: Evidence from a neuronopathy participant

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Acute itch was experimentally induced using histamine and cowage in control participants (with no neuronopathy) and in IW, a participant with a large‐fibre sensory neuronopathy resulting in the loss of Aβ afferent function below C3, at the same time as largely preserving Aδ and C‐fibre function.
Adarsh D. Makdani   +3 more
wiley   +1 more source

TRIP8bnano peptide prevents cAMP binding to HCN2 channels alleviating pain‐like behaviors in rats with neuropathic pain

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend We tested the hypothesis that cAMP binding to HCN2 channels in nociceptors is a causal driver of neuropathic pain by using TRIP8bnano, a synthetic peptide we previously developed as a selective antagonist of cAMP in HCN channels. TRIP8bnano effectively abolishes cAMP potentiation of HCN2 currents in small‐diameter DRG neurons and
Santiago I. Loya‐Lopez   +7 more
wiley   +1 more source

Affective CT‐touch attenuates cortical responses and subjective attention during temporal summation of second pain

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend The study investigated the modulatory effects of affective touch on temporal summation of second pain (TSSP) in 32 romantic couples (N = 64). The design included a dyadic session (partner's CT‐optimal stroking vs. static touch) and an individual session (robotic CT‐touch vs. vibration control).
Márcia da‐Silva   +5 more
wiley   +1 more source

Trafficking and potentiation of Nav1.7 and Nav1.8 channels are mediated by IQGAP1

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend IQGAP1 binds to the voltage‐gated Nav1.7 and Nav1.8 channels and TRPA1 channels in sensory neurons. Inflammatory mediators (IM), including PGE2 and TNFα, released during nerve injury and inflammation activate intracellular signalling messengers such as PKA, p38 MAPK and Cdc42 through their respective receptors.
Xuming Zhang   +2 more
wiley   +1 more source

Hypoxia‐induced vulnerability of the somatosensory nervous system

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Sensory neurons are highly energy dependent and rely on sufficient oxygen availability to maintain metabolic stability and effective neurocommunication. Within the somatosensory system, even modest reductions in tissue oxygen tension impair neuronal respiration, forcing a shift toward less efficient metabolic pathways that ...
Jack Corbett, Richard P. Hulse
wiley   +1 more source

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