Results 31 to 40 of about 28,706 (230)

TRPV4 Complexes With the Na+/Ca2+ Exchanger and IP3 Receptor 1 to Regulate Local Intracellular Calcium and Tracheal Tension in Mice

open access: yesFrontiers in Physiology, 2019
Intracellular Ca2+ is critical for regulating airway smooth muscle (ASM) tension. A rapid rise in the intracellular Ca2+ concentration ([Ca2+]i) of ASM cells is crucial for modulating the intensity and length of the ASM contraction.
Jie Zhang   +13 more
doaj   +1 more source

In vitro Comparison of the Intrinsic Activity of Functional Antagonism between β-agonists and Spasmogens in the Guinea-pig Tracheal Muscle

open access: yesAllergology International, 2005
Background: The bronchodilating action of β-agonists depends on the tone of airway smooth muscle or on spasmogen. To estimate the precise intrinsic activity of β-agonists, relaxation responses should be examined on maximally contracted airway smooth ...
Yuichiro Kamikawa, Naomi Takayama
doaj   +1 more source

Curcuma longa extract exerts a myorelaxant effect on the ileum and colon in a mouse experimental colitis model, independent of the anti-inflammatory effect. [PDF]

open access: yesPLoS ONE, 2012
BACKGROUND: Curcuma has long been used as an anti-inflammatory agent in inflammatory bowel disease. Since gastrointestinal motility is impaired in inflammatory states, the aim of this work was to evaluate if Curcuma Longa had any effect on intestinal ...
Rita Aldini   +13 more
doaj   +1 more source

Effects of neo-adjuvant chemotherapy for oesophago-gastric cancer on neuro-muscular gastric function [PDF]

open access: yes, 2012
Delayed gastric emptying symptoms are often reported after chemotherapy. This study aims to characterise the effects of chemotherapy on gastric neuro-muscular function.
A Inui   +21 more
core   +1 more source

Thrombin Protease-activated Receptor-1 Signals through Gq- and G13-initiated MAPK Cascades Regulating c-Jun Expression to Induce Cell Transformation [PDF]

open access: yes, 2003
Although the ability of G protein-coupled receptors to stimulate normal and aberrant cell growth has been intensely investigated, the precise nature of the molecular mechanisms underlying their transforming potential are still not fully understood.
Gutkind, J. Silvio   +4 more
core   +1 more source

Cellular mechanisms of potassium homeostasis in the mammalian nervous system [PDF]

open access: yes, 1987
Double-barrelled ion-sensitive microelectrodes were used to measure changes in the intracellular activities of K+, Na+, and Cl- (aKi, aNai, aCli) in neurones of rat sympathetic ganglia and in glial cells of slices from guinea-pig olfactory cortex.
Ballanyi, Klaus, Grafe, Peter
core   +1 more source

Diabetes-induced alterations in urothelium function:Enhanced ATP release and nerve-evoked contractions in the streptozotocin rat bladder [PDF]

open access: yes, 2018
Up to 80% of patients with diabetes mellitus develop lower urinary tract complications, most commonly diabetic bladder dysfunction (DBD). The aim of this study was to investigate the impact of diabetes on the function of the inner bladder lining ...
Apodaca   +56 more
core   +1 more source

Local carbachol application induces oral microvascular recruitment and improves gastric tissue oxygenation during hemorrhagic shock in dogs

open access: yesFrontiers in Immunology
IntroductionHemorrhagic shock is characterized by derangements of the gastrointestinal microcirculation. Topical therapy with nitroglycerine or iloprost improves gastric tissue oxygenation but not regional perfusion, probably due to precapillary ...
Stefan Hof   +9 more
doaj   +1 more source

Enteric dysfunctions in experimental Parkinson's disease: alterations of excitatory cholinergic neurotransmission regulating colonic motility in rats [PDF]

open access: yes, 2016
Parkinson's disease (PD) is frequently associated with gastrointestinal symptoms, mostly represented by constipation and defecatory dysfunctions.
Al Harraq, Zainab   +14 more
core   +1 more source

Voiding Behavior and Efferent Bladder Function Altered in Mice Following Social Defeat but Not Witness Trauma [PDF]

open access: yes, 2020
Psychological stress is associated with bladder dysfunction, however, the local bladder mechanisms affected are not well understood. This study aimed to determine how psychological stress, caused by social defeat or witness trauma, affects voiding ...
Chess-Williams, Russ   +3 more
core   +1 more source

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