Search Results - "Spencer, Nick J"
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The Diverse Metabolic Roles of Peripheral Serotonin
Published in Endocrinology (Philadelphia) (01-05-2017)“…Abstract Serotonin (5-hydroxytryptamine or 5-HT) is a multifunctional bioamine with important signaling roles in a range of physiological pathways. Almost all…”
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Identification of different types of spinal afferent nerve endings that encode noxious and innocuous stimuli in the large intestine using a novel anterograde tracing technique
Published in PloS one (10-11-2014)“…In mammals, sensory stimuli in visceral organs, including those that underlie pain perception, are detected by spinal afferent neurons, whose cell bodies lie…”
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3
Optogenetic Induction of Colonic Motility in Mice
Published in Gastroenterology (New York, N.Y. 1943) (01-08-2018)“…Strategies are needed to increase gastrointestinal transit without systemic pharmacologic agents. We investigated whether optogenetics, focal application of…”
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The role of enteric inhibitory neurons in intestinal motility
Published in Autonomic neuroscience (01-11-2021)“…The enteric nervous system controls much of the mixing and propulsion of nutrients along the digestive tract. Enteric neural circuits involve intrinsic sensory…”
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First translational consensus on terminology and definitions of colonic motility in animals and humans studied by manometric and other techniques
Published in Nature reviews. Gastroenterology & hepatology (01-09-2019)“…Alterations in colonic motility are implicated in the pathophysiology of bowel disorders, but high-resolution manometry of human colonic motor function has…”
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Postoperative ileus—An ongoing conundrum
Published in Neurogastroenterology and motility (01-05-2021)“…Background Postoperative ileus is common and is a major clinical problem. It has been widely studied in patients and in experimental models in laboratory…”
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Translating peripheral bladder afferent mechanosensitivity to neuronal activation within the lumbosacral spinal cord of mice
Published in Pain (Amsterdam) (01-04-2019)“…Primary afferent neurons transduce distension of the bladder wall into action potentials that are relayed into the spinal cord and brain, where autonomic…”
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8
Tetrodotoxin‐resistant mechanosensitivity and L‐type calcium channel‐mediated spontaneous calcium activity in enteric neurons
Published in Experimental physiology (01-09-2024)“…Gut motility undergoes a switch from myogenic to neurogenic control in late embryonic development. Here, we report on the electrical events that underlie this…”
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How should we define a nociceptor in the gut-brain axis?
Published in Frontiers in neuroscience (19-12-2022)“…In the past few years, there has been extraordinary interest in how the gut communicates with the brain. This is because substantial and gathering data has…”
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Visceral pain – Novel approaches for optogenetic control of spinal afferents
Published in Brain research (15-08-2018)“…[Display omitted] •Anterograde tracing can be reliably performed from dorsal root ganglia (DRG).•Channelrhodopsin or Archaerhodopsin can now be selectively…”
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Identifying unique subtypes of spinal afferent nerve endings within the urinary bladder of mice
Published in Journal of comparative neurology (1911) (01-03-2018)“…Spinal afferent neurons are responsible for the transduction and transmission of noxious (painful) stimuli and innocuous stimuli that do not reach conscious…”
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Novel insights into mechanisms of inhibition of colonic motility by loperamide
Published in Frontiers in neuroscience (29-08-2024)“…It is well known that opiates slow gastrointestinal (GI) transit, via suppression of enteric cholinergic neurotransmission throughout the GI tract,…”
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13
Circadian rhythms in colonic function
Published in Frontiers in physiology (30-08-2023)“…A rhythmic expression of clock genes occurs within the cells of multiple organs and tissues throughout the body, termed "peripheral clocks." Peripheral clocks…”
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Roles of three distinct neurogenic motor patterns during pellet propulsion in guinea‐pig distal colon
Published in The Journal of physiology (01-10-2019)“…Key points Enteric neural circuits enable isolated preparations of guinea‐pig distal colon to propel solid and fluid contents by a self‐sustaining…”
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15
Slowed gastrointestinal transit is associated with an altered caecal microbiota in an aged rat model
Published in Frontiers in cellular and infection microbiology (14-03-2023)“…Gastrointestinal (GI) motility is largely dependent upon activity within the enteric nervous system (ENS) and is an important part of the digestive process…”
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Modification of Neurogenic Colonic Motor Behaviours by Chemogenetic Ablation of Calretinin Neurons
Published in Frontiers in cellular neuroscience (03-03-2022)“…How the enteric nervous system determines the pacing and propagation direction of neurogenic contractions along the colon remains largely unknown. We used a…”
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Characterization of viscerofugal neurons in human colon by retrograde tracing and multi-layer immunohistochemistry
Published in Frontiers in neuroscience (16-01-2024)“…Viscerofugal neurons (VFNs) have cell bodies in the myenteric plexus and axons that project to sympathetic prevertebral ganglia. In animals they activate…”
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Prevalence of childhood disability and the characteristics and circumstances of disabled children in the UK: secondary analysis of the Family Resources Survey
Published in BMC pediatrics (16-04-2010)“…Robust data on the prevalence of childhood disability and the circumstances and characteristics of disabled children is crucial to understanding the…”
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Characterization of projections of longitudinal muscle motor neurons in human colon
Published in Neurogastroenterology and motility (01-10-2019)“…Background The enteric nervous system contains inhibitory and excitatory motor neurons which modulate smooth muscle contractility. Cell bodies of longitudinal…”
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Anatomical distribution of CGRP-containing lumbosacral spinal afferent neurons in the mouse uterine horn
Published in Frontiers in neuroscience (28-09-2022)“…Sensory stimuli from the uterus are detected by spinal afferent neurons whose cell bodies arise from thoracolumbar and lumbosacral dorsal root ganglia (DRG)…”
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