Differential activation of the prefrontal cortex and amygdala following psychological stress and colorectal distension in the maternally separated rat

VD Felice, SM Gibney, RD Gosselin, TG Dinan… - Neuroscience, 2014 - Elsevier
Visceral hypersensitivity is a hallmark of many clinical conditions and remains an ongoing
medical challenge. Although the central neural mechanisms that regulate visceral …

Neonatal maternal separation enhances central sensitivity to noxious colorectal distention in rat

EKY Chung, XJ Zhang, Z Li, H Zhang, HX Xu, ZX Bian - Brain research, 2007 - Elsevier
Psychological stress experienced in early life plays an important role in the development of
visceral hyperalgesia in irritable bowel syndrome (IBS). Neonatal maternal separation has …

Colorectal distension-induced prefrontal cortex activation in the Wistar–Kyoto rat: implications for irritable bowel syndrome

SM Gibney, RD Gosselin, TG Dinan, JF Cryan - Neuroscience, 2010 - Elsevier
The prefrontal cortex plays a key role in the perception of painful stimuli, including those
emerging from the viscera. Colorectal distension is a non-invasive stimulus used to study …

Early-life stress induces visceral hypersensitivity in mice

RD Moloney, OF O'Leary, D Felice, B Bettler… - Neuroscience …, 2012 - Elsevier
Early-life stress is a risk factor for irritable bowel syndrome (IBS), a common and debilitating
functional gastrointestinal disorder that is often co-morbid with stress-related psychiatric …

[PDF][PDF] Neonatal maternal, separation elevates thalamic corticotrophin releasing factor type 1 receptor expression response to colonic distension in rat

YW Tjong, SP Ip, L Lao, J Wu, HHS Fong… - Neuroendocrinology …, 2010 - nel.edu
OBJECTIVEs: Early life psychological stress is an essential factor contributing to the
development of irritable bowel syndrome (IBS), with corticotrophin releasing factor (CRF) …

Effects of neonatal maternal separation on neurochemical and sensory response to colonic distension in a rat model of irritable bowel syndrome

TH Ren, J Wu, D Yew, E Ziea, L Lao… - American Journal …, 2007 - journals.physiology.org
Early life stress has been implicated as a risk factor for irritable bowel syndrome (IBS). We
studied the effect of neonatal maternal separation on the visceromotor response and the …

Hippocampal microglial activation and glucocorticoid receptor down-regulation precipitate visceral hypersensitivity induced by colorectal distension in rats

G Zhang, BX Zhao, R Hua, J Kang, BM Shao… - …, 2016 - Elsevier
Visceral hypersensitivity is a common characteristic in patients suffering from irritable bowel
syndrome (IBS) and other disorders with visceral pain. Although the pathogenesis of visceral …

[HTML][HTML] Stress-induced visceral pain in female rats is associated with epigenetic remodeling in the central nucleus of the amygdala

T Louwies, A Orock, B Greenwood-Van Meerveld - Neurobiology of Stress, 2021 - Elsevier
Stress and anxiety contribute to the pathophysiology of irritable bowel syndrome (IBS), a
female-predominant disorder of the gut-brain axis, characterized by abdominal pain due to …

Contribution of amygdala histone acetylation in early life stress-induced visceral hypersensitivity and emotional comorbidity

L Guan, X Shi, Y Tang, Y Yan, L Chen… - Frontiers in …, 2022 - frontiersin.org
Patients with irritable bowel syndrome (IBS) experience not only enhanced visceral pain but
also emotional comorbidities, such as anxiety and depression. Early life stress (ELS) is a …

Altered brain activation to colorectal distention in visceral hypersensitive maternal‐separated rats

MM Wouters, S Van Wanrooy… - …, 2012 - Wiley Online Library
Background Early life trauma can predispose to increased visceral pain perception. Human
neuroimaging studies emphasize that altered brain processing may contribute to increased …