Physiology and pathophysiology of itch

F Cevikbas, EA Lerner - Physiological reviews, 2020 - journals.physiology.org
Itch is a topic to which everyone can relate. The physiological roles of itch are increasingly
understood and appreciated. The pathophysiological consequences of itch impact quality of …

A neuropeptide code for itch

ZF Chen - Nature Reviews Neuroscience, 2021 - nature.com
Itch is one of the most primal sensations, being both ubiquitous and important for the well-
being of animals. For more than a century, a desire to understand how itch is encoded by the …

Recent advances in our understanding of the organization of dorsal horn neuron populations and their contribution to cutaneous mechanical allodynia

C Peirs, R Dallel, AJ Todd - Journal of neural transmission, 2020 - Springer
The dorsal horns of the spinal cord and the trigeminal nuclei in the brainstem contain neuron
populations that are critical to process sensory information. Neurons in these areas are …

Central opioid receptors mediate morphine-induced itch and chronic itch via disinhibition

Z Wang, C Jiang, H Yao, O Chen, S Rahman, Y Gu… - Brain, 2021 - academic.oup.com
Opioids such as morphine are mainstay treatments for clinical pain conditions. Itch is a
common side effect of opioids, particularly as a result of epidural or intrathecal …

How gastrin-releasing peptide opens the spinal gate for itch

M Pagani, GW Albisetti, N Sivakumar, H Wildner… - Neuron, 2019 - cell.com
Spinal transmission of pruritoceptive (itch) signals requires transneuronal signaling by
gastrin-releasing peptide (GRP) produced by a subpopulation of dorsal horn excitatory …

Exploration of sensory and spinal neurons expressing gastrin-releasing peptide in itch and pain related behaviors

DM Barry, XT Liu, B Liu, XY Liu, F Gao, X Zeng… - Nature …, 2020 - nature.com
Gastrin-releasing peptide (GRP) functions as a neurotransmitter for non-histaminergic itch,
but its site of action (sensory neurons vs spinal cord) remains controversial. To determine …

Spinal neuropeptide Y Y1 receptor-expressing neurons are a pharmacotherapeutic target for the alleviation of neuropathic pain

TS Nelson, GP Sinha, DFS Santos… - Proceedings of the …, 2022 - National Acad Sciences
Peripheral nerve injury sensitizes a complex network of spinal cord dorsal horn (DH)
neurons to produce allodynia and neuropathic pain. The identification of a druggable target …

A novel spinal neuron connection for heat sensation

H Wang, W Chen, Z Dong, G Xing, W Cui, L Yao… - Neuron, 2022 - cell.com
Heat perception enables acute avoidance responses to prevent tissue damage and
maintain body thermal homeostasis. Unlike other modalities, how heat signals are …

Dorsal horn gastrin-releasing peptide expressing neurons transmit spinal itch but not pain signals

GW Albisetti, M Pagani, E Platonova… - Journal of …, 2019 - Soc Neuroscience
Gastrin-releasing peptide (GRP) is a spinal itch transmitter expressed by a small population
of dorsal horn interneurons (GRP neurons). The contribution of these neurons to spinal itch …

Medullary kappa-opioid receptor neurons inhibit pain and itch through a descending circuit

E Nguyen, KM Smith, N Cramer, RA Holland… - Brain, 2022 - academic.oup.com
In perilous and stressful situations, the ability to suppress pain can be critical for survival.
The rostral ventromedial medulla contains neurons that robustly inhibit nocioception at the …