Search Results - "Helander, H F"

Parietal cell density during gastric ulcer healing in the rat by Helander, H. F., Poorkhalkali, N.

“…Background: During the healing of gastric ulcers, extensive changes take place in the structure and proportion of the parietal cells in the ulcer margin. We…”
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Gastrin effects on isolated rat enterochromaffin-like cells in primary culture by Prinz, C, Scott, D R, Hurwitz, D, Helander, H F, Sachs, G

“…The hormone gastrin stimulates acid secretion by releasing histamine from gastric enterochromaffin-like (ECL) cells and induces ECL cell proliferation in vivo…”
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Cell Kinetics of the Oesophageal Epithelium in the Rat: Effects of Hypergastrinaemia by Poorkhalkali, N., Helander, H. F.

“…Background: Hypergastrinaemia stimulates cell proliferation in the oesophageal epithelium of the rat. In the present study, we tested whether hypergastrinaemia…”
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A Rat Model of Chronic Helicobacter pylori Infection: Studies of Epithelial Cell Turnover and Gastric Ulcer Healing by LI, H, KALIES, I, MELLGARD, B, HELANDER, H. F

“…Background: Our aim was to infect rats with Helicobacter pylori and to study the effects of the infection on the gastric mucosa in normal and in ulcer-operated…”
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Selective ligand-induced intracellular calcium changes in a population of rat isolated gastric endocrine cells by Zeng, N, Walsh, JH, Kang, T, Helander, KG, Helander, HF, Sachs, G

“…BACKGROUND & AIMS: Peripheral regulation of acid secretion depends mainly on stimulation or inhibition of the three major gastric endocrine cells…”
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Inoculation of VacA− and CagA− Helicobacter pylori Delays Gastric Ulcer Healing in the Rat by Li, H., Mellgård, B., Helander, H. F.

“…Background: Helicobacter pylori is associated with peptic ulcer disease. In the present study, the influence of VacA and CagA− H. pylori on gastric ulcer…”
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Parasympathetic non-adrenergic, non-cholinergic mechanisms in reflex secretion of parotid acinar granules in conscious rats by Ekström, J, Helander, H F, Tobin, G

“…1. Female adult rats were subjected to sympathetic denervation of the parotid glands by bilateral removal of the superior cervical ganglion 10-12 days before…”
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Monoclonal antibodies against gastric H+ + K+ ATPase by Smolka, A, Helander, H F, Sachs, G

“…Monoclonal antibodies were prepared against a purified membrane fraction from hog gastric mucosa containing the H+ + K+ ATPase. On sodium dodecyl sulfate gels…”
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Hypergastrinemia increases proliferation of gastroduodenal epithelium during gastric ulcer healing in rats by LI, H, HELANDER, H. F

“…We investigated if hypergastrinemia exerted any influence on the proliferation of gastroduodenal epithelium during the healing of ulcers in rats. A mucosal…”
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Reactions from rat gastric mucosa during one year of Helicobacter pylori infection by HONG LI, ANDERSSON, E.-M, HELANDER, H. F

“…The aim of the present study was to investigate responses from the gastric mucosa of rats during long-term H. pylori infection. Twenty-four Sprague-Dawley rats…”
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Histamine secretion from rat enterochromaffinlike cells by Prinz, C, Kajimura, M, Scott, D R, Mercier, F, Helander, H F, Sachs, G

“…In vivo studies have suggested an important role for gastric enterochromaffinlike (ECL) cells in mediating acid secretion. Direct evidence for this function is…”
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Parietal cell kinetics after administration of omeprazole and ranitidine in the rat by Li, H, Helander, H F

“…This study aimed at determining the turnover rate of parietal cells after inhibition of acid secretion. Rats were given omeprazole (80 mumol/kg) by gavage once…”
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Chronic Oesophagitis in the Cat by POORKHALKALI, N, RICH, H. G, JACOBSON, I, AMARAL, J, MIGLIORI, S, CHROSTEK, C, BIANCANI, P, CABERO, J. L, HELANDER, H. F

“…Background: Our understanding of the pathophysiology of gastro-oesophageal reflux disease (GERD) in man is limited. The aim of the present study was to…”
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Immunohistochemical localization of gastrin/CCK-B receptors in the dog and guinea-pig stomach by HELANDER, H. F., WONG, H., POORKHALKALI, N., WALSH, J. H.

“…Gastrin/CCK‐B receptors are involved in the regulation of several types of cells of the gastric mucosa, including the parietal cells, the ECL cells and the D…”
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Kinetic studies of glutaraldehyde binding in liver by Helander, K G, Widéhn, S, Helander, H F

“…To study the kinetics of glutaraldehyde fixation, fresh rabbit liver cubes were immersed in 3% buffered 3H-glutaraldehyde for various periods of time…”
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The site of acid secretion in the mammalian parietal cell by Scott, D R, Helander, H F, Hersey, S J, Sachs, G

“…Initiation of acid secretion in the gastric mucosa is accompanied by a morphological transformation in which the acid pump, the H+/K(+)-ATPase, translocates…”
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Bile salt-stimulated lipase (BSSL) distribution in rat, mouse and transgenic mouse expressing human BSSL by Poorkhalkali, N, Lidmer, A S, Lundberg, L G, Dalrymple, M A, Gibson, Y, Taylor, L, Temperley, S, Strömqvist, M, Helander, H F

“…In some species, including man and mouse, bile salt-stimulated lipase (BSSL) in milk catalyzes the hydrolysis of triacylglycerides into glycerol and free fatty…”
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Inhibition of acid secretion in isolated gastric glands by substituted benzimidazoles by Fellenius, E, Elander, B, Wallmark, B, Helander, H F, Berglindh, T

“…A new class of gastric acid inhibitors, substituted benzimidazoles (H 83/69 and H 149/94), have been tested in an isolated rabbit gastric gland preparation…”
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Omeprazole does not cause unscheduled DNA synthesis in rabbit parietal cells in vitro by Fryklund, J, Falknäs, A K, Helander, H F

“…Parietal cells from rabbit gastric mucosa, enriched to greater than 90% purity, were used to study the effect of the H+,K(+)-ATPase inhibitor omeprazole on DNA…”
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Trophic actions of E2 prostaglandins in the rat gastrointestinal mucosa. A quantitative morphologic study by Helander, H F, Johansson, C, Blom, H, Uribe, A

“…Adult, male Sprague-Dawley rats in groups of 10 received one of the following treatments orally twice daily for 3 wk: prostaglandin E2 (PGE2) 7.5 mg X kg-1,…”
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