Search Results - "Pustovit, V."

Fluorescence quenching near small metal nanoparticles by Pustovit, V N, Shahbazyan, T V

“…We develop a microscopic model for fluorescence of a molecule (or semiconductor quantum dot) near a small metal nanoparticle. When a molecule is situated close…”
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Neural pathways for colorectal control, relevance to spinal cord injury and treatment: a narrative review by Callaghan, Brid, Furness, John B., Pustovit, Ruslan V.

“…Study design Narrative review. Objectives The purpose is to review the organisation of the nerve pathways that control defecation and to relate this knowledge…”
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Investigation of nerve pathways mediating colorectal dysfunction in Parkinson’s disease model produced by lesion of nigrostriatal dopaminergic neurons by Chai, Xin‐yi, Diwakarla, Shanti, Pustovit, Ruslan V., McQuade, Rachel M., Di Natale, Madeleine, Ermine, Charlotte M., Parish, Clare L., Finkelstein, David I., Furness, John B.

“…Background Gastrointestinal (GI) dysfunction, including constipation, is a common non‐motor symptom of Parkinson's disease (PD). The toxin 6‐hydroxydopamine…”
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Dopamine and ghrelin receptor co‐expression and interaction in the spinal defecation centers by Furness, John B., Pustovit, Ruslan V., Syder, Andrew J., Ringuet, Mitchell T., Yoo, Eun Ji, Fanjul, Andrea, Wykosky, Jill, Fothergill, Linda J., Whitfield, Emily A., Furness, Sebastian G. B.

“…Background Dopamine receptor 2 (DRD2) and ghrelin receptor (GHSR1a) agonists both stimulate defecation by actions at the lumbosacral defecation center…”
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Development of the aganglionic colon following surgical rescue in a cell therapy model of Hirschsprung disease in rat by Furness, John B, Lei, Enie, Hunne, Billie, Adams, Cameron D, Burns, Alan J, Wykosky, Jill, Fazio Coles, Therese E, Fothergill, Linda J, Molero, Juan C, Pustovit, Ruslan V, Stamp, Lincon A

“…Patients with Hirschsprung disease lack enteric ganglia in the distal colon and propulsion of colorectal content is substantially impaired. Proposed stem cell…”
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The mechanism of enhanced defecation caused by the ghrelin receptor agonist, ulimorelin by Pustovit, R. V., Callaghan, B., Kosari, S., Rivera, L. R., Thomas, H., Brock, J. A., Furness, J. B.

“…Background Discovery of adequate pharmacological treatments for constipation has proven elusive. Increased numbers of bowel movements were reported as a…”
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Site and mechanism of the colokinetic action of the ghrelin receptor agonist, HM01 by Naitou, K., Mamerto, T. P., Pustovit, R. V., Callaghan, B., Rivera, L. R., Chan, A. J., Ringuet, M. T., Pietra, C., Furness, J. B.

“…Background It has been recently demonstrated that the ghrelin receptor agonist, HM01, caused defecation in rats that were treated to provide a model for the…”
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Hypotensive effects of ghrelin receptor agonists mediated through a novel receptor by Callaghan, Brid, Kosari, Samin, Pustovit, Ruslan V., Sartor, Daniela M, Ferens, Dorota, Ban, Kung, Baell, Jonathan, Nguyen, Trung V, Rivera, Leni R, Brock, James A, Furness, John B

“…Background and Purpose Some agonists of ghrelin receptors cause rapid decreases in BP. The mechanisms by which they cause hypotension and the pharmacology of…”
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Plasmonic Dicke effect by Shahbazyan, T. V., Pustovit, V. N.

“…We study cooperative emission by an ensemble of emitters, such as fluorescing molecules or semiconductor quantum dots, near a metal nanoparticle. The primary…”
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Size-dependent effects in solutions of small metal nanoparticles by Pustovit, V. N., Shahbazyan, T. V., Grechko, L. G.

“…A new theoretical approach for the calculation of optical properties of complex solutions is proposed. It is based on a dielectric matrix ε m with included…”
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Selenium and vitamin E together improve intestinal epithelial barrier function and alleviate oxidative stress in heat‐stressed pigs by Liu, Fan, Cottrell, Jeremy J., Furness, John B., Rivera, Leni R., Kelly, Fletcher W., Wijesiriwardana, Udani, Pustovit, Ruslan V., Fothergill, Linda J., Bravo, David M., Celi, Pietro, Leury, Brian J., Gabler, Nicholas K., Dunshea, Frank R.

“…New Findings What is the central question of this study? Oxidative stress may play a role in compromising intestinal epithelial barrier integrity in pigs…”
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Reversal of cerebral ischaemia and hypoxia and of sickness behaviour by megadose sodium ascorbate in ovine Gram-negative sepsis by May, Clive N, Ow, Connie P, Pustovit, Ruslan V, Lane, Darius J, Jufar, Alemayehu H, Trask-Marino, Anton, Peiris, Rachel M, Gunn, Adam, Booth, Lindsea C, Plummer, Mark P, Bellomo, Rinaldo, Lankadeva, Yugeesh R

“…The mechanisms by which megadose sodium ascorbate improves clinical status in experimental sepsis is unclear. We determined its effects on cerebral perfusion,…”
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Expression of the relaxin family peptide 4 receptor by enterochromaffin cells of the mouse large intestine by Koo, Ada, Pustovit, Ruslan V., Woodward, Orla R. M., Lewis, Jo E., Gribble, Fiona M., Hossain, Mohammed Akhter, Reimann, Frank, Furness, John B.

“…The gastrointestinal hormone, insulin-like peptide 5 (INSL5), is found in large intestinal enteroendocrine cells (EEC). One of its functions is to stimulate…”
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FeSe: High-Temperature Superconductivity, Nematicity, and Electronic Structure by Yu. V. Pustovit, O. A. Kordyuk

“…The electronic structure of FeSe—the simplest iron-based superconductor (Fe-SC)—conceals a potential of abrupt increase of superconducting tran-sition…”
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New benzoquinone pigments from the hydnoid fungus Sarcodontia setosa and their biosynthetic relationship by Whaley, Andrei K., Ponkratova, Anastasiia O., Orlova, Anastasia A., Volobuev, Sergey V., Shakhova, Natalia V., Serebryakov, Evgeny B., Smirnov, Sergey N., Pustovit, Natalia V., Kraeva, Liudmila A., Luzhanin, Vladimir G.

“…Chemical investigation of the hydnoid fungus Sarcodontia setosa resulted in the isolation of five compounds, including two new sarcodontic acid derivatives -…”
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Muscarinic receptor 1 allosteric modulators stimulate colorectal emptying in dog, mouse and rat and resolve constipation by Pustovit, Ruslan V., Itomi, Yasuo, Ringuet, Mitchell, Diwakarla, Shanti, Chai, Xin‐yi, McQuade, Rachel M., Tsukimi, Yasuhiro, Furness, John B.

“…Background Because M1 muscarinic receptors are expressed by enteric neurons, we investigated whether positive allosteric modulators of these receptors (M1PAMs)…”
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A ghrelin receptor agonist is an effective colokinetic in rats with diet‐induced constipation by Pustovit, R. V., Furness, J. B., Rivera, L. R.

“…Background Despite constipation being a common problem, the treatments that are available have side effects and are only partly effective. Recent studies show…”
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Effects and sites of action of a M1 receptor positive allosteric modulator on colonic motility in rats and dogs compared with 5-HT 4 agonism and cholinesterase inhibition by Tsukimi, Yasuhiro, Pustovit, Ruslan V, Harrington, Andrea M, Garcia-Caraballo, Sonia, Brierley, Stuart M, Di Natale, Madeleine, Molero, Juan C, Furness, John B

“…Muscarinic receptor 1 positive allosteric modulators (M1PAMs) enhance colonic propulsive contractions and defecation through the facilitation of M1 receptor…”
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Effects and sites of action of a M1 receptor positive allosteric modulator on colonic motility in rats and dogs compared with 5‐HT4 agonism and cholinesterase inhibition by Tsukimi, Yasuhiro, Pustovit, Ruslan V., Harrington, Andrea M., Garcia‐Caraballo, Sonia, Brierley, Stuart M., Di Natale, Madeleine, Molero, Juan C., Furness, John B.

“…Background Muscarinic receptor 1 positive allosteric modulators (M1PAMs) enhance colonic propulsive contractions and defecation through the facilitation of M1…”
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Coupled multipolar interactions in clusters of nanoparticles with metal shells by Smith, G.B., Pustovit, V.N.

“…Coupled multipolar interactions between spherical nanoparticles coated with metal nanoshells are shown to yield very different optical behaviour to those…”
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