The role of descending pain modulation in chronic primary pain: potential application of drugs targeting serotonergic system

ZY Tao, PX Wang, SQ Wei, RJ Traub, JF Li… - Neural …, 2019 - Wiley Online Library
Chronic primary pain (CPP) is a group of diseases with long‐term pain and functional
disorders but without structural or specific tissue pathologies. CPP is becoming a serious …

Critical neuropsychobiological analysis of panic attack-and anticipatory anxiety-like behaviors in rodents confronted with snakes in polygonal arenas and complex …

NC Coimbra, T Paschoalin-Maurin, GS Bassi… - Revista Brasileira de …, 2017 - SciELO Brasil
Objective: To compare prey and snake paradigms performed in complex environments to
the elevated plus-maze (EPM) and T-maze (ETM) tests for the study of panic attack-and …

Regular physical activity prevents development of chronic muscle pain through modulation of supraspinal opioid and serotonergic mechanisms

RG Brito, LA Rasmussen, KA Sluka - Pain reports, 2017 - journals.lww.com
Objectives: The purpose was to examine central inhibitory mechanisms involved in
analgesia produced by wheel running. Methods: C57/Black6 mice were given access to …

Opioid-induced dysbiosis of maternal gut microbiota during gestation alters offspring gut microbiota and pain sensitivity

YF Abu, S Singh, J Tao, I Chupikova, P Singh… - Gut …, 2024 - Taylor & Francis
There has been a rapid increase in neonates born with a history of prenatal opioid
exposure. How prenatal opioid exposure affects pain sensitivity in offspring is of interest, as …

[HTML][HTML] Neuroanatomy, periaqueductal gray

M Mokhtar, P Singh - 2020 - europepmc.org
The periaqueductal gray (PAG) is a key structure in the propagation and modulation of pain,
sympathetic responses as well as the learning and action of defensive and aversive …

The rodent-versus-wild snake paradigm as a model for studying anxiety-and panic-like behaviors: face, construct and predictive validities

T Paschoalin-Maurin, T dos Anjos-Garcia… - Neuroscience, 2018 - Elsevier
Using an innovative approach to study the neural bases of psychiatric disorders, this study
investigated the behavioral, morphological and pharmacological bases of panic attack …

Opioid neurotransmission modulates defensive behavior and fear-induced antinociception in dangerous environments

NC Coimbra, F Calvo, RC Almada, RL Freitas… - Neuroscience, 2017 - Elsevier
The effects of endogenous opioid peptide antagonists on panic-related responses are
controversial. Using elevated mazes and a prey-versus-predator paradigm, we investigated …

Unravelling cortico-hypothalamic pathways regulating unconditioned fear-induced antinociception and defensive behaviours

LL Falconi-Sobrinho, T dos Anjos-Garcia… - …, 2017 - Elsevier
The medial prefrontal cortex can influence unconditioned fear-induced defensive
mechanisms organised by diencephalic neurons that are under tonic GABAergic inhibition …

[HTML][HTML] Neuroanatomical and neurochemical substrates mediating fear-induced antinociception: A systematic review of rodent preclinical studies

LL Falconi-Sobrinho, D Fonseca-Rodrigues… - Neuroscience & …, 2024 - Elsevier
Abstract Fear-induced antinociception (FIA), an instinctive defensive response producing
pain suppression in stressful and/or dangerous situations, has been the subject of extensive …

Nitric oxide-signalling affects panic-like defensive behaviour and defensive antinociception neuromodulation in the prelimbic cerebral cortex

RL de Freitas, RM Acunha, FR Bendaña-Córdoba… - Brain Research, 2024 - Elsevier
Abstract Rationale: The prelimbic division (PrL) of the medial prefrontal cortex (mPFC) is a
key structure in panic. Objectives: To evaluate the role of nitric oxide (NO) in defensive …