Results 61 to 70 of about 43,661 (255)

Inhibition of Subsets of G Protein-coupled Receptors by Empty Mutants of G Protein α Subunits in Go, G11, and G16 [PDF]

open access: yes, 2000
We previously reported that the xanthine nucleotide binding Goα mutant, GoαX, inhibited the activation of Gi-coupled receptors. We constructed similar mutations in G11α and G16α and characterized their nucleotide binding and receptor interaction.
Gu, Lingjie, Simon, Melvin I., Yu, Bo
core   +1 more source

Protectin D1 and maresin 1 attenuate airway hyperreactivity induced by IL‐13 in human isolated small bronchi

open access: yesBritish Journal of Pharmacology, EarlyView.
Background and Purpose Interleukin (IL)‐13 is implicated in airway hyperreactivity (AHR), a key feature of asthma. We explored the potential anti‐AHR activity of selected specialised pro‐resolving mediators (SPMs) in IL‐13‐induced AHR models, using human bronchial smooth muscle cells (BSMCs) and human isolated bronchi.
Willem Abma   +9 more
wiley   +1 more source

Changes in neuromuscular structure and functions of human colon during ageing are region-dependent [PDF]

open access: yes, 2018
Objective: To determine if human colonic neuromuscular functions decline with increasing age.Design: Looking for non-specific changes in neuromuscular function, a standard burst of electrical field stimulation (EFS) was used to evoke neuronally mediated (
Ahmed, Shafi   +13 more
core   +2 more sources

TNF‐α partially modulates the endothelial dysfunction during the acute phase of Trypanosoma cruzi infection

open access: yesBritish Journal of Pharmacology, EarlyView.
Background and Purpose Whereas the effects of Trypanosoma cruzi (T. cruzi) infection are well‐characterised in the heart, its impact on the vasculature has received little attention. In this study, we investigated the effects of acute and chronic T. cruzi infection on vascular responsiveness and the underlying mechanisms.
Thales M. H. Dourado   +6 more
wiley   +1 more source

In vitro exposure to Escherichia coli decreases ion conductance in the jejunal epithelium of broiler chickens. [PDF]

open access: yesPLoS ONE, 2014
Escherichia coli (E. coli) infections are very widespread in poultry. However, little is known about the interaction between the intestinal epithelium and E. coli in chickens.
Wageha A Awad   +4 more
doaj   +1 more source

Interaction of the Xanthine Nucleotide Binding Goα Mutant with G Protein-coupled Receptors [PDF]

open access: yes, 1998
We constructed a double mutant version of the α subunit of Go that was regulated by xanthine nucleotides instead of guanine nucleotides (GoαX). We investigated the interaction between GoαX and G protein-coupled receptors in vitro.
Simon, Melvin I., Yu, Bo
core   +1 more source

The proteomic differences and expression of fatty acid‐binding protein 6 (FABP6) associated with gastrointestinal injury in horses with oral administration of a clinical dose of phenylbutazone

open access: yesEquine Veterinary Journal, EarlyView.
Abstract Background Phenylbutazone (PBZ) can potentially induce gastrointestinal ulceration, and early detection of PBZ‐induced gastroenteropathy will be useful for the diagnosis, treatment, and prevention of PBZ toxicity. Objectives To identify putative proteins associated with equine gastric ulcer syndrome after clinical dose (4.4 mg/kg ...
Ruethaiwan Vinijkumthorn   +6 more
wiley   +1 more source

Cyclic AMP Recruits a Discrete Intracellular Ca2+ Store by Unmasking Hypersensitive IP3 Receptors

open access: yesCell Reports, 2017
Inositol 1,4,5-trisphosphate (IP3) stimulates Ca2+ release from the endoplasmic reticulum (ER), and the response is potentiated by 3′,5′-cyclic AMP (cAMP).
Vera Konieczny   +4 more
doaj   +1 more source

Krisanaklan Reduces Intestinal Anion and Fluid Secretion Through Inhibition of Na+/K+‐ATPase and K+ Channel Activity

open access: yesAnnals of the New York Academy of Sciences, EarlyView.
Krisanaklan reduces CFTR‐dependent intestinal chloride and fluid secretion by inhibiting the Na+,K+‐ATPase and K+ channels in epithelial cells. Consequently, this natural, plant‐derived product may limit secretory diarrhea caused by a diverse array of microbial pathogens. However, by dissipating the transmembrane Na+ gradient, Krisanaklan also inhibits
Tessa A. Groeneweg   +4 more
wiley   +1 more source

Carbachol Induces Ca2+-Dependent Contraction via Muscarinic M2 and M3 Receptors in Rat Intestinal Subepithelial Myofibroblasts

open access: yesJournal of Pharmacological Sciences, 2009
.: Intestinal myofibroblasts (IMFs) that exist adjacent to the basement membrane of intestines have contractility and contribute to physical barriers of the intestine.
Koichi Iwanaga   +4 more
doaj   +1 more source

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