Neuroplasticity underlying the comorbidity of pain and depression

L Doan, T Manders, J Wang - Neural plasticity, 2015 - Wiley Online Library
Acute pain induces depressed mood, and chronic pain is known to cause depression.
Depression, meanwhile, can also adversely affect pain behaviors ranging from …

Cell type-specific dissection of sensory pathways involved in descending modulation

E Nguyen, JG Grajales-Reyes, RW Gereau… - Trends in …, 2023 - cell.com
Decades of research have suggested that stimulation of supraspinal structures, such as the
periaqueductal gray (PAG) and rostral ventromedial medulla (RVM), inhibits nocifensive …

Divergent modulation of nociception by glutamatergic and GABAergic neuronal subpopulations in the periaqueductal gray

VK Samineni, JG Grajales-Reyes, BA Copits… - eneuro, 2017 - eneuro.org
The ventrolateral periaqueductal gray (vlPAG) constitutes a major descending pain
modulatory system and is a crucial site for opioid-induced analgesia. A number of previous …

(2R, 6R)-hydroxynorketamine rescues chronic stress-induced depression-like behavior through its actions in the midbrain periaqueductal gray

D Chou, HY Peng, TB Lin, CY Lai, MC Hsieh… - …, 2018 - Elsevier
It has been widely reported that ketamine rescues chronic stress-induced depression-like
behavior, but the underlying cellular mechanisms of the rapid antidepressant actions of …

Reversible induction of pain hypersensitivity following optogenetic stimulation of spinal astrocytes

Y Nam, JH Kim, JH Kim, MK Jha, JY Jung, MG Lee… - Cell reports, 2016 - cell.com
While glial activation is an integral part of pain pathogenesis, the existence of a causal
relationship between glia and pain processing has yet to be demonstrated in vivo. Here, we …

Brainstem pain-modulation circuitry and its plasticity in neuropathic pain: insights from human brain imaging investigations

EP Mills, KA Keay, LA Henderson - Frontiers in Pain Research, 2021 - frontiersin.org
Acute pain serves as a protective mechanism that alerts us to potential tissue damage and
drives a behavioural response that removes us from danger. The neural circuitry critical for …

High-mobility group box 1-mediated hippocampal microglial activation induces cognitive impairment in mice with neuropathic pain

K Hisaoka-Nakashima, K Ohata, N Yoshimoto… - Experimental …, 2022 - Elsevier
Clinical evidence indicates that cognitive impairment is a common comorbidity of chronic
pain, including neuropathic pain, but the mechanism underlying cognitive impairment …

Neurobiology of depression: chronic stress alters the glutamatergic system in the brain—focusing on AMPA receptor

MT Lee, WH Peng, HW Kan, CC Wu, DW Wang, YC Ho - Biomedicines, 2022 - mdpi.com
Major depressive disorder (MDD) is a common neuropsychiatric disorder affecting the mood
and mental well-being. Its pathophysiology remains elusive due to the complexity and …

Are the emergence of affective disturbances in neuropathic pain states contingent on supraspinal neuroinflammation?

NT Fiore, PJ Austin - Brain, behavior, and immunity, 2016 - Elsevier
Neuro-immune interactions contribute to the pathogenesis of neuropathic pain due to
peripheral nerve injury. A large body of preclinical evidence supports the idea that the …

Hippocampal glutamatergic synapses impairment mediated novel-object recognition dysfunction in rats with neuropathic pain

B **ong, W Zhang, L Zhang, X Huang, W Zhou, Q Zou… - Pain, 2020 - journals.lww.com
Cognitive impairment is one of the most common complications associated with chronic
pain. Almost 20% of chronic pain patients suffer from cognitive impairment, which may …