Helge Waldum

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Waldum Helge L
[In Process Citation]
Tsolakis Apostolos V; Grimelius Lars; Stridsberg Mats; Falkmer Sture E; Waldum Helge L; Saras Jan; Janson Eva T
Obestatin/ghrelin cells in normal mucosa and endocrine tumours of the stomach.
Haram Per Magnus; Kemi Ole J; Lee Sang Jun; Bendheim Marianne Ø; Al-Share Qusay Y; Waldum Helge L; Gilligan Lori J; Koch Lauren G; Britton Steven L; Najjar Sonia M; Wisløff Ulrik
Aerobic interval training vs. continuous moderate exercise in the metabolic syndrome of rats artificially selected for low aerobic capacity.

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2009: Waldum Helge L
[In Process Citation]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2009;129(21):2263.
2009: Tsolakis Apostolos V; Grimelius Lars; Stridsberg Mats; Falkmer Sture E; Waldum Helge L; Saras Jan; Janson Eva T
Obestatin/ghrelin cells in normal mucosa and endocrine tumours of the stomach.
European journal of endocrinology / European Federation of Endocrine Societies 2009;160(6):941-9.
2009: Haram Per Magnus; Kemi Ole J; Lee Sang Jun; Bendheim Marianne Ø; Al-Share Qusay Y; Waldum Helge L; Gilligan Lori J; Koch Lauren G; Britton Steven L; Najjar Sonia M; Wisløff Ulrik
Aerobic interval training vs. continuous moderate exercise in the metabolic syndrome of rats artificially selected for low aerobic capacity.
Cardiovascular research 2009;81(4):723-32.
2009: Waldum Helge L
This month in the Scandinavian Journal of Gastroenterology.
Scandinavian journal of gastroenterology 2009;44(8):900-1.
2009: Waldum Helge L; Kleveland Per M; Brenna Eiliv; Bakke Ingunn; Qvigstad Gunnar; Martinsen Tom Chr; Fossmark Reidar; Gustafsson Bjørn I; Sandvik Arne K
Interactions between gastric acid secretagogues and the localization of the gastrin receptor.
Scandinavian journal of gastroenterology 2009;44(4):390-3.
2008: Li Zhenfeng; Liu Jinzhong; Tang Fuai; Liu Yiqing; Waldum Helge L; Cui Guanglin
Expression of non-mast cell histidine decarboxylase in tumor-associated microvessels in human esophageal squamous cell carcinomas.
APMIS : acta pathologica, microbiologica, et immunologica Scandinavica 2008;116(12):1034-42.
2008: Hauso Oyvind; Gustafsson Bjorn I; Kidd Mark; Waldum Helge L; Drozdov Ignat; Chan Anthony K C; Modlin Irvin M
Neuroendocrine tumor epidemiology: contrasting Norway and North America.
Cancer 2008;113(10):2655-64.
2008: Qvigstad G; Kolbjørnsen Ø; Skancke E; Waldum H L
Gastric neuroendocrine carcinoma associated with atrophic gastritis in the norwegian lundehund.
Journal of comparative pathology 2008;139(4):194-201.
2008: Hauso Oyvind; Gustafsson Björn I; Nordrum Ivar S; Waldum Helge L
The effect of terguride in carbon tetrachloride-induced liver fibrosis in rat.
Experimental biology and medicine (Maywood, N.J.) 2008;233(11):1385-8.
2008: Waldum Helge L
August issue of Scandinavian Journal of Gastroenterology.
Scandinavian journal of gastroenterology 2008;43(8):899-901.
2008: Nørsett Kristin G; Laegreid Astrid; Kusnierczyk Waclaw; Langaas Mette; Ylving Sonja; Fossmark Reidar; Myhre Simen; Falkmer Sture; Waldum Helge L; Sandvik Arne K
Changes in gene expression of gastric mucosa during therapeutic acid inhibition.
European journal of gastroenterology & hepatology 2008;20(7):613-23.
2008: Sørhaug Sveinung; Steinshamn Sigurd; Munkvold Bjørn; Waldum Helge L
Release of neuroendocrine products in the pulmonary circulation during intermittent hypoxia in isolated rat lung.
Respiratory physiology & neurobiology 2008;162(1):1-7.
2008: Tsolakis Apostolos V; Stridsberg Mats; Grimelius Lars; Portela-Gomes Guida M; Falkmer Sture E; Waldum Helge L; Janson Eva T
Ghrelin immunoreactive cells in gastric endocrine tumors and their relation to plasma ghrelin concentration.
Journal of clinical gastroenterology 2008;42(4):381-8.
2008: Fossmark Reidar; Qvigstad Gunnar; Waldum Helge-L
Gastric cancer: animal studies on the risk of hypoacidity and hypergastrinemia.
World journal of gastroenterology : WJG 2008;14(11):1646-51.
2008: Fossmark Reidar; Jianu Constantin S; Martinsen Tom C; Qvigstad Gunnar; Syversen Unni; Waldum Helge L
Serum gastrin and chromogranin A levels in patients with fundic gland polyps caused by long-term proton-pump inhibition.
Scandinavian journal of gastroenterology 2008;43(1):20-4.
2008: Waldum Helge L; Sandvik Arne K; Brenna Eiliv; Fossmark Reidar; Qvigstad Gunnar; Soga Jun
Classification of tumours.
Journal of experimental & clinical cancer research : CR 2008;27():70.
2007: Hauso Øyvind; Gustafsson Björn I; Loennechen Jan P; Stunes Astrid K; Nordrum Ivar; Waldum Helge L
Long-term serotonin effects in the rat are prevented by terguride.
Regulatory peptides 2007;143(1-3):39-46.
2007: Waldum Helge L; Qvigstad Gunnar
Proton pump inhibitors and gastric neoplasia.
Gut 2007;56(7):1019-20; author reply 1020.
2007: Westbroek I; Waarsing J H; van Leeuwen J P T M; Waldum H; Reseland J E; Weinans H; Syversen U; Gustafsson B I
Long-term fluoxetine administration does not result in major changes in bone architecture and strength in growing rats.
Journal of cellular biochemistry 2007;101(2):360-8.
2007: Fossmark R; Waldum H
Rebound acid hypersecretion.
Alimentary pharmacology & therapeutics 2007;25(8):999-1000; author reply 1000.
2007: Fossmark Reidar; Brenna Eiliv; Waldum Helge L
pH 4.0.
Scandinavian journal of gastroenterology 2007;42(3):297-8.
2007: Sørhaug Sveinung; Steinshamn Sigurd; Haaverstad Rune; Nordrum Ivar S; Martinsen Tom C; Waldum Helge L
Expression of neuroendocrine markers in non-small cell lung cancer.
APMIS : acta pathologica, microbiologica, et immunologica Scandinavica 2007;115(2):152-63.
2007: Cui Guanglin; Waldum Helge L
Physiological and clinical significance of enterochromaffin-like cell activation in the regulation of gastric acid secretion.
World journal of gastroenterology : WJG 2007;13(4):493-6.
2007: Erlandsen Sten Even; Fykse Vidar; Waldum Helge L; Sandvik Arne K
Octreotide induces apoptosis in the oxyntic mucosa.
Molecular and cellular endocrinology 2007;264(1-2):188-96.
2006: Sørhaug Sveinung; Steinshamn Sigurd; Nilsen Odd G; Waldum Helge L
Chronic inhalation of carbon monoxide: effects on the respiratory and cardiovascular system at doses corresponding to tobacco smoking.
Toxicology 2006;228(2-3):280-90.
2006: Sørhaug S; Langhammer A; Waldum H L; Hveem K; Steinshamn S
Increased serum levels of chromogranin A in male smokers with airway obstruction.
The European respiratory journal : official journal of the European Society for Clinical Respiratory Physiology 2006;28(3):542-8.
2006: Waldum Helge L; Qvigstad Gunnar
Achlorhydria, parietal cell hyperplasia, and multiple gastric carcinoids: a new disorder?
The American journal of surgical pathology 2006;30(7):919.
2006: Jianu Constantin; Qvigstad Gunnar; Waldum Helge L
Synchronous gastric adenocarcinoma and carcinoid.
Journal of gastrointestinal and liver diseases : JGLD 2006;15(2):202; author reply 202-3.
2006: Bakkelund Karin; Fossmark Reidar; Nordrum Ivar; Waldum Helge
Signet ring cells in gastric carcinomas are derived from neuroendocrine cells.
The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society 2006;54(6):615-21.
2006: Qvigstad Gunnar; Hatlen-Rebhan Peter; Brenna Eiliv; Waldum Helge L
Capsule endoscopy in clinical routine in patients with suspected disease of the small intestine: a 2-year prospective study.
Scandinavian journal of gastroenterology 2006;41(5):614-8.
2006: Gustafsson B I; Thommesen L; Stunes A K; Tommeras K; Westbroek I; Waldum H L; Slørdahl K; Tamburstuen M V; Reseland J E; Syversen U
Serotonin and fluoxetine modulate bone cell function in vitro.
Journal of cellular biochemistry 2006;98(1):139-51.
2006: Gustafsson Björn I; Bakke Ingunn; Tømmerås Karin; Waldum Helge L
A new method for visualization of gut mucosal cells, describing the enterochromaffin cell in the rat gastrointestinal tract.
Scandinavian journal of gastroenterology 2006;41(4):390-5.
2006: Gustafsson Björn I; Westbroek Irene; Waarsing Jan H; Waldum Helge; Solligård Erik; Brunsvik Anders; Dimmen Sigbjørn; van Leeuwen Johannes P T M; Weinans Harrie; Syversen Unni
Long-term serotonin administration leads to higher bone mineral density, affects bone architecture, and leads to higher femoral bone stiffness in rats.
Journal of cellular biochemistry 2006;97(6):1283-91.
2006: Waldum Helge
[Medical research fraud]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2006;126(7):935; author reply 935.
2006: Fykse V; Solligård E; Bendheim M Ø; Chen D; Grønbech J E; Sandvik A K; Waldum H L
ECL cell histamine mobilization and parietal cell stimulation in the rat stomach studied by microdialysis and electron microscopy.
Acta physiologica (Oxford, England) 2006;186(1):37-43.
2006: Waldum Helge
Assessment of the risk of iatrogenic hypergastrinaemia from patients with gastrinoma.
Basic & clinical pharmacology & toxicology 2006;98(1):3.
2006: Sandvik A K; Alsberg B K; Nørsett K G; Yadetie F; Waldum H L; Laegreid A
Gene expression analysis and clinical diagnosis.
Clinica chimica acta; international journal of clinical chemistry 2006;363(1-2):157-64.
2005: Waldum Helge L
[Nobel Prize for Helicobacter pylori]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2005;125(23):3245.
2005: Waldum Helge L; Fossmark Reidar
Idiopathic gastric acid hypersecretion.
European journal of gastroenterology & hepatology 2005;17(12):1433.
2005: Martinsen Tom C; Bakke Ingunn; Chen Duan; Sandvik Arne K; Zahlsen Kolbjørn; Aamo Trond; Waldum Helge L
Ciprofibrate stimulates the gastrin-producing cell by acting luminally on antral PPAR-alpha.
American journal of physiology. Gastrointestinal and liver physiology 2005;289(6):G1052-60.
2005: Fykse Vidar; Sandvik Arne Kristian; Waldum Helge Lyder
One-year follow-up study of patients with enterochromaffin-like cell carcinoids after treatment with octreotide long-acting release.
Scandinavian journal of gastroenterology 2005;40(11):1269-74.
2005: Waldum Helge L
[Corrupt research may damage public health]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2005;125(19):2672-3.
2005: Waldum Helge L; Gustafsson Bjørn; Fossmark Reidar; Qvigstad Gunnar
Antiulcer drugs and gastric cancer.
Digestive diseases and sciences 2005;50 Suppl 1():S39-44.
2005: Fossmark Reidar; Martinsen Tom C; Qvigstad Gunnar; Bendheim Marianne Ø; Kopstad Gunnar; Kashima Kenji; Waldum Helge L
Ultrastructure and chromogranin A immunogold labelling of ECL cell carcinoids.
APMIS : acta pathologica, microbiologica, et immunologica Scandinavica 2005;113(7-8):506-12.
2005: Fossmark Reidar; Zhao Chun-Mei; Martinsen Tom C; Kawase Shiro; Chen Duan; Waldum Helge L
Dedifferentiation of enterochromaffin-like cells in gastric cancer of hypergastrinemic cotton rats.
APMIS : acta pathologica, microbiologica, et immunologica Scandinavica 2005;113(6):436-49.
2005: Nørsett Kristin G; Laegreid Astrid; Langaas Mette; Wörlund Sara; Fossmark Reidar; Waldum Helge L; Sandvik Arne K
Molecular characterization of rat gastric mucosal response to potent acid inhibition.
Physiological genomics 2005;22(1):24-32.
2005: Petersen Hermod; Schumacher Kirsti Pleym; Waldum Helge L; Berstad Arnold; Florholmen Jon; Selbekk Bodil; Veenstra Marijke
[Mutual evaluation as a method of quality assurance in hospital units]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2005;125(9):1201-4.
2005: Sørhaug Sveinung; Steinshamn Sigurd L; Waldum Helge L
Octreotide treatment for paraneoplastic intestinal pseudo-obstruction complicating SCLC.
Lung cancer (Amsterdam, Netherlands) 2005;48(1):137-40.
2005: Gustafsson Björn I; Tømmerås Karin; Nordrum Ivar; Loennechen Jan P; Brunsvik Anders; Solligård Erik; Fossmark Reidar; Bakke Ingunn; Syversen Unni; Waldum Helge
Long-term serotonin administration induces heart valve disease in rats.
Circulation 2005;111(12):1517-22.
2005: Waldum Helge L; Martinsen Tom Chr; Brenna Eiliv
Nonulcer dyspepsia and proton pump inhibitors.
Gastroenterology 2005;128(3):805; author reply 805-6.
2005: Martinsen Tom C; Bergh Kåre; Waldum Helge L
Gastric juice: a barrier against infectious diseases.
Basic & clinical pharmacology & toxicology 2005;96(2):94-102.
2005: Fykse Vidar; Coy David H; Waldum Helge Lyder; Sandvik Arne Kristian
Somatostatin-receptor 2 (sst2)-mediated effects of endogenous somatostatin on exocrine and endocrine secretion of the rat stomach.
British journal of pharmacology 2005;144(3):416-21.
2005: Fossmark R; Johnsen G; Johanessen E; Waldum H L
Rebound acid hypersecretion after long-term inhibition of gastric acid secretion.
Alimentary pharmacology & therapeutics 2005;21(2):149-54.
2005: Qvigstad Gunnar; Fløttum Oddbjørg; Waldum Helge L
[Capsule endoscopy--a new method for the diagnosis of diseases of the small intestine]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2005;125(2):163-6.
2004: Syversen U; Ramstad H; Gamme K; Qvigstad G; Falkmer S; Waldum H L
Clinical significance of elevated serum chromogranin A levels.
Scandinavian journal of gastroenterology 2004;39(10):969-73.
2004: Fossmark R; Martinsen T C; Bakkelund K E; Kawase S; Torp S H; Waldum H L
Hypergastrinaemia induced by partial corpectomy results in development of enterochromaffin-like cell carcinoma in male Japanese cotton rats.
Scandinavian journal of gastroenterology 2004;39(10):919-26.
2004: Fykse V; Sandvik A K; Qvigstad G; Falkmer S E; Syversen U; Waldum H L
Treatment of ECL cell carcinoids with octreotide LAR.
Scandinavian journal of gastroenterology 2004;39(7):621-8.
2004: Nørsett Kristin G; Laegreid Astrid; Midelfart Herman; Yadetie Fekadu; Erlandsen Sten Even; Falkmer Sture; Grønbech Jon E; Waldum Helge L; Komorowski Jan; Sandvik Arne K
Gene expression based classification of gastric carcinoma.
Cancer letters 2004;210(2):227-37.
2004: Waldum H L; Fossmark R; Bakke I; Martinsen T C; Qvigstad G
Hypergastrinemia in animals and man: causes and consequences.
Scandinavian journal of gastroenterology 2004;39(6):505-9.
2004: Fossmark Reidar; Martinsen Tom C; Bakkelund Karin E; Kawase Shiro; Waldum Helge L
ECL-cell derived gastric cancer in male cotton rats dosed with the H2-blocker loxtidine.
Cancer research 2004;64(10):3687-93.
2004: Qvigstad Gunnar; Waldum Helge
Rebound hypersecretion after inhibition of gastric acid secretion.
Basic & clinical pharmacology & toxicology 2004;94(5):202-8.
2004: Fossmark R; Martinsen T C; Torp S H; Kawase S; Sandvik A K; Waldum H L
Spontaneous enterochromaffin-like cell carcinomas in cotton rats (Sigmodon hispidus) are prevented by a somatostatin analogue.
Endocrine-related cancer 2004;11(1):149-60.
2004: Viste Asgaut; Øvrebø Kjell; Maartmann-Moe Helga; Waldum Helge
Lanzoprazole promotes gastric carcinogenesis in rats with duodenogastric reflux.
Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association 2004;7(1):31-5.
2003: Martinsen Tom C; Kawase Shiro; Håkanson Rolf; Torp Sverre H; Fossmark Reidar; Qvigstad Gunnar; Sandvik Arne K; Waldum Helge L
Spontaneous ECL cell carcinomas in cotton rats: natural course and prevention by a gastrin receptor antagonist.
Carcinogenesis 2003;24(12):1887-96.
2003: Hoff Jana Midelfart; Waldum Helge L
[Clinical leadership and academic competence]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2003;123(20):2917.
2003: Waldum Helge L; Qvigstad Gunnar; Sandvik Arne K
Reg protein in gastric cancer tumour cells.
FEBS letters 2003;553(3):464-5.
2003: Zhao Chun-Mei; Wang Xin; Friis-Hansen Lennart; Waldum Helge L; Halgunset Jostein; Wadström Torkel; Chen Duan
Chronic Helicobacter pylori infection results in gastric hypoacidity and hypergastrinemia in wild-type mice but vagally induced hypersecretion in gastrin-deficient mice.
Regulatory peptides 2003;115(3):161-70.
2003: Yadetie Fekadu; Laegreid Astrid; Bakke Ingunn; Kusnierczyk Waclaw; Komorowski Jan; Waldum Helge L; Sandvik Arne K
Liver gene expression in rats in response to the peroxisome proliferator-activated receptor-alpha agonist ciprofibrate.
Physiological genomics 2003;15(1):9-19.
2003: Waldum Helge L
[Authoritarian steering without authority and legitimacy]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2003;123(16):2334.
2003: Grav Hans J; Tronstad Karl J; Gudbrandsen Oddrun A; Berge Kjetil; Fladmark Kari E; Martinsen Tom C; Waldum Helge; Wergedahl Hege; Berge Rolf K
Changed energy state and increased mitochondrial beta-oxidation rate in liver of rats associated with lowered proton electrochemical potential and stimulated uncoupling protein 2 (UCP-2) expression: evidence for peroxisome proliferator-activated receptor-alpha independent induction of UCP-2 expression.
The Journal of biological chemistry 2003;278(33):30525-33.
2003: Waldum Helge L
[Proton pump inhibitors and chronic requirement]
Läkartidningen 2003;100(20):1830-1.
2003: Brenna O; Qvigstad G; Brenna E; Waldum H L
Cytotoxicity of streptozotocin on neuroendocrine cells of the pancreas and the gut.
Digestive diseases and sciences 2003;48(5):906-10.
2003: Waldum Helge; Berenna Eiliv
Discussion on the effect of chronic hypergastrinemia on human enterochromaffin-like cells: insights from patients with sporadic gastrinomas.
Gastroenterology 2003;124(5):1564-5; author reply 1565.
2003: Waldum Helge L
Comment: acute cholestatic hepatitis associated with celecoxib.
The Annals of pharmacotherapy 2003;37(5):748; author reply 748-9.
2003: Martinsen Tom C; Skogaker Nan E T; Bendheim Marianne Ø; Waldum Helge L
Antral G cells in rats during dosing with a PPAR alpha agonist: a morphometric and immunocytochemical study.
Medical electron microscopy : official journal of the Clinical Electron Microscopy Society of Japan 2003;36(1):18-32.
2002: Waldum Helge L; Kleveland Per M; Sandvik Arne K; Brenna Eiliv; Syversen Unni; Bakke Ingunn; Tømmerås Karin
The cellular localization of the cholecystokinin 2 (gastrin) receptor in the stomach.
Pharmacology & toxicology 2002;91(6):359-62.
2002: Bofin A M; Qvigstad G; Waldum C; Waldum H L
Neuroendocrine differentiation in carcinoma of the breast. Tyramide signal amplification discloses chromogranin A-positive tumour cells in more breast tumours than previously realized.
APMIS : acta pathologica, microbiologica, et immunologica Scandinavica 2002;110(9):658-64.
2002: Bakke Ingunn; Hammer Tommy A; Sandvik Arne K; Waldum Helge L
PPAR alpha stimulates the rat gastrin-producing cell.
Molecular and cellular endocrinology 2002;195(1-2):89-97.
2002: Tømmerås Karin; Bakke Ingunn; Sandvik Arne K; Larsson Erik; Waldum Helge L
Rat parietal cells express CCK(2) receptor mRNA: gene expression analysis of single cells isolated by laser-assisted microdissection.
Biochemical and biophysical research communications 2002;297(2):335-40.
2002: Cui G L; Sandvik A K; Munkvold B; Waldum H L
Effects of anaesthetic agents on gastrin-stimulated and histamine-stimulated gastric acid secretion in the totally isolated vascularly perfused rat stomach.
Scandinavian journal of gastroenterology 2002;37(7):750-3.
2002: Waldum Helge L; Brenna Eiliv; Sandvik Arne K
Long-term safety of proton pump inhibitors: risks of gastric neoplasia and infections.
Expert opinion on drug safety 2002;1(1):29-38.
2002: Waldum Helge L
[Functional gastrointestinal diseases]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2002;122(12):1178.
2002: Martinsen T C; Taylor D M; Johnsen R; Waldum H L
Gastric acidity protects mice against prion infection?
Scandinavian journal of gastroenterology 2002;37(5):497-500.
2002: van Bergeijk Jeroen D; Wilson J H Paul; Nielsen Ole Haage; von Tirpitz Christian; Karvonen Anna-Lusa; Lygren I; Rädler Andreas; Waldum Helge L; Mulder Chris J J; Friis S; Tefera Solomon; Hoogkamer Johannes F W;
Octreotide in patients with active ulcerative colitis treated with high dose corticosteroids (OPUS 1).
European journal of gastroenterology & hepatology 2002;14(3):243-8.
2002: Qvigstad Gunnar; Qvigstad Tor; Westre Bjørn; Sandvik Arne K; Brenna Eiliv; Waldum Helge L
Neuroendocrine differentiation in gastric adenocarcinomas associated with severe hypergastrinemia and/or pernicious anemia.
APMIS : acta pathologica, microbiologica, et immunologica Scandinavica 2002;110(2):132-9.
2002: Waldum Helge L
[Drug therapy of irritable bowel syndrome]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2002;122(4):401-2.
2002: Cui G-L; Sandvik A K; Munkvold B; Waldum H L
Glycine-extended gastrin-17 stimulates acid secretion only via CCK-2 receptor-induced histamine release in the totally isolated vascularly perfused rat stomach.
Acta physiologica Scandinavica 2002;174(2):125-30.
2002: Waldum Helge L; Brenna Eiliv
Gastro-oesophageal reflux disease in general practice. Last year's guidelines are probably biased.
BMJ (Clinical research ed.) 2002;324(7335):485-6.
2002: Dzienis-Koronkiewicz Ewa; ØvrebØ Kjell; Gislason Hjörtur; Waldum Helge L; Svanes Knut
Gastric mucosal exposure to histamine in rats is followed by absorption of histamine but not mucosal hyperemia.
Hepato-gastroenterology 2002;49(43):290-6.
2002: Loennechen Jan P; Nilsen Odd G; Arbo Ingerid; Aadahl Petter; Nilsen Turid; Waldum Helge L; Sandvik Arne K; Ellingsen O
Chronic exposure to carbon monoxide and nicotine: endothelin ET(A) receptor antagonism attenuates carbon monoxide-induced myocardial hypertrophy in rat.
Toxicology and applied pharmacology 2002;178(1):8-14.
2001: Bakke I; Qvigstad G; Sandvik A K; Waldum H L
The CCK-2 receptor is located on the ECL cell, but not on the parietal cell.
Scandinavian journal of gastroenterology 2001;36(11):1128-33.
2001: Cui G L; Syversen U; Zhao C M; Chen D; Waldum H L
Long-term omeprazole treatment suppresses body weight gain and bone mineralization in young male rats.
Scandinavian journal of gastroenterology 2001;36(10):1011-5.
2001: Sandvik A K; Cui G; Bakke I; Munkvold B; Waldum H L
PACAP stimulates gastric acid secretion in the rat by inducing histamine release.
American journal of physiology. Gastrointestinal and liver physiology 2001;281(4):G997-G1003.
2001: Zhao C M; Bakke I; Tostrup-Skogaker N; Waldum H L; Håkanson R; Chen D
Functionally impaired, hypertrophic ECL cells accumulate vacuoles and lipofuscin bodies. An ultrastructural study of ECL cells isolated from hypergastrinemic rats.
Cell and tissue research 2001;303(3):415-22.
2001: Fresvig A; Qvigstad G; Halvorsen T B; Falkmer S; Waldum H L
Neuroendocrine differentiation in bronchial carcinomas of classic squamous-cell type: an immunohistochemical study of 29 cases applying the tyramide signal amplification technique.
Applied immunohistochemistry & molecular morphology : AIMM / official publication of the Society for Applied Immunohistochemistry 2001;9(1):9-13.
2001: Kleveland O; Syversen U; Slørdahl K; Waldum H L
Hypergastrinemia as a cause of chromogranin a increase in blood in patients suspected to have neuroendocrine tumor.
Digestion 2001;64(2):71-4.
2000: Qvigstad G; Sandvik A K; Brenna E; Aase S; Waldum H L
Detection of chromogranin A in human gastric adenocarcinomas using a sensitive immunohistochemical technique.
The Histochemical journal 2000;32(9):551-6.
2000: Bakke I; Sandvik A K; Waldum H L
Octreotide inhibits the enterochromaffin-like cell but not peroxisome proliferator-induced hypergastrinemia.
Journal of molecular endocrinology 2000;25(1):109-19.
2000: Waldum H L; Brenna E; Sandvik A K
The mechanism of histamine secretion from gastric enterochromaffin-like cells.
American journal of physiology. Cell physiology 2000;278(6):C1275-6.
2000: Bakke I; Qvigstad G; Brenna E; Sandvik A K; Waldum H L
Gastrin has a specific proliferative effect on the rat enterochromaffin-like cell, but not on the parietal cell: a study by elutriation centrifugation.
Acta physiologica Scandinavica 2000;169(1):29-37.
2000: Waldum H L; Mårvik R; Grønbech J E; Sandvik A K; Aase S
Oxyntic lesions may be provoked in the rat both by the process of acid secretion and also by gastric acidity.
Alimentary pharmacology & therapeutics 2000;14(1):135-41.
2000: Waldum H L; Brenna E
Personal review: is profound acid inhibition safe?
Alimentary pharmacology & therapeutics 2000;14(1):15-22.
2000: Cui G; Qvigstad G; Falkmer S; Sandvik A K; Kawase S; Waldum H L
Spontaneous ECLomas in cotton rats (Sigmodon hispidus): tumours occurring in hypoacidic/hypergastrinaemic animals with normal parietal cells.
Carcinogenesis 2000;21(1):23-7.
2000: Waldum H L; Syversen U
Chromogranin A (CGA) and the enterochromaffin-like (ECL) cell.
Advances in experimental medicine and biology 2000;482():361-7.
1999: Qvigstad G; Falkmer S; Westre B; Waldum H L
Clinical and histopathological tumour progression in ECL cell carcinoids ("ECLomas").
APMIS : acta pathologica, microbiologica, et immunologica Scandinavica 1999;107(12):1085-92.
1999: Loennechen J P; Beisvag V; Arbo I; Waldum H L; Sandvik A K; Knardahl S; Ellingsen O
Chronic carbon monoxide exposure in vivo induces myocardial endothelin-1 expression and hypertrophy in rat.
Pharmacology & toxicology 1999;85(4):192-7.
1999: Waldum H L; Brenna E; Sandvik A K
[Risk of gastric acid inhibition by drugs]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1999;119(20):3045-6.
1999: Angelsen A; Falkmer S; Sandvik A K; Waldum H L
Pre- and postnatal testosterone administration induces proliferative epithelial lesions with neuroendocrine differentiation in the dorsal lobe of the rat prostate.
The Prostate 1999;40(2):65-75.
1999: Waldum H L; Rørvik H; Falkmer S; Kawase S
Neuroendocrine (ECL cell) differentiation of spontaneous gastric carcinomas of cotton rats (Sigmodon hispidus).
Laboratory animal science 1999;49(3):241-7.
1999: Waldum H L; Sandvik A K; Angelsen A; Krokan H; Falkmer S
Re: Editorial entitled 'The origin of gut and pancreatic neuroendocrine (APUD) cells--the last word?'.
The Journal of pathology 1999;188(1):113-4.
1999: Qvigstad G; Bjørgaas M; Eide I; Sandvik A K; Waldum H L
Vagal stimulation augments maximal (penta) gastrin-stimulated acid secretion in humans.
Acta physiologica Scandinavica 1999;165(3):277-81.
1998: Qvigstad G; Arnestad J S; Brenna E; Waldum H L
Treatment with proton pump inhibitors induces tolerance to histamine-2 receptor antagonists in Helicobacter pylori-negative patients.
Scandinavian journal of gastroenterology 1998;33(12):1244-8.
1998: Waldum H L; Brenna E; Sandvik A K
Maximal gastric acid secretion in man: a concept that needs precision.
Scandinavian journal of gastroenterology 1998;33(10):1009-15.
1998: Hammer T A; Waldum H L
[Peroxisomes and peroxisome proliferators. Specific environmental poisons and therapeutic agents affecting lipid metabolism and hormone release]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1998;118(23):3603-8.
1998: Waldum H L; Aase S; Kvetnoi I; Brenna E; Sandvik A K; Syversen U; Johnsen G; Vatten L; Polak J M
Neuroendocrine differentiation in human gastric carcinoma.
Cancer 1998;83(3):435-44.
1998: Hammer T A; Sandvik A K; Waldum H L
Potentiating hypergastrinemic effect by the peroxisome proliferator ciprofibrate and omeprazole in the rat.
Scandinavian journal of gastroenterology 1998;33(6):595-9.
1998: Waldum H L; Brenna E; Sandvik A K
Relationship of ECL cells and gastric neoplasia.
The Yale journal of biology and medicine 1998;71(3-4):325-35.
1998: Sandvik A K; Mårvik R; Dimaline R; Waldum H L
Carbachol stimulation of gastric acid secretion and its effects on the parietal cell.
British journal of pharmacology 1998;124(1):69-74.
1998: Angelsen A; Sandvik A K; Syversen U; Stridsberg M; Waldum H L
NGF-beta, NE-cells and prostatic cancer cell lines. A study of neuroendocrine expression in the human prostatic cancer cell lines DU-145, PC-3, LNCaP, and TSU-pr1 following stimulation of the nerve growth factor-beta.
Scandinavian journal of urology and nephrology 1998;32(1):7-13.
1998: Waldum H L; Kvetnoi I M; Sylte R; Schulze B; Martinsen T C; Sandvik A K
The effect of the peroxisome proliferator ciprofibrate on the gastric mucosa and particularly the gastrin cell.
Journal of molecular endocrinology 1998;20(1):111-7.
1997: Sandvik A K; Brenna E; Waldum H L
Review article: the pharmacological inhibition of gastric acid secretion--tolerance and rebound.
Alimentary pharmacology & therapeutics 1997;11(6):1013-8.
1997: Kleveland P M; Waldum H L; Brenna E; Aase S; Maeland J A
Relationship between the efficacy of amoxicillin and intragastric pH for the treatment of Helicobacter pylori infection.
Helicobacter 1997;2(3):144-8.
1997: Angelsen A; Mecsei R; Sandvik A K; Waldum H L
Neuroendocrine cells in the prostate of the rat, guinea pig, cat, and dog.
The Prostate 1997;33(1):18-25.
1997: Marvik R; Sandvik A K; Waldum H L
Evaluation of biologic gastrin activity of compound CI-988 in the isolated, vascularly perfused rat stomach.
Scandinavian journal of gastroenterology 1997;32(6):519-22.
1997: Brenna E; Kleveland P M; Waldum H L
[A simple method for endoscopic placement of a nasojejunal feeding tube]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1997;117(14):2054-5.
1997: Angelsen A; Syversen U; Stridsberg M; Haugen O A; Mjølnerød O K; Waldum H L
Use of neuroendocrine serum markers in the follow-up of patients with cancer of the prostate.
The Prostate 1997;31(2):110-7.
1997: Arnestad J S; Kleveland P M; Waldum H L
In single doses ranitidine effervescent is more effective than lansoprazole in decreasing gastric acidity.
Alimentary pharmacology & therapeutics 1997;11(2):355-8.
1997: Støa-Birketvedt G; Waldum H L; Vonen B; Florholmen J
Effect of cimetidine on basal and postprandial plasma concentrations of cholecystokinin and gastrin in humans.
Acta physiologica Scandinavica 1997;159(4):321-5.
1997: Mårvik R; Sandvik A K; Waldum H L
Gastrin stimulates histamine release from the isolated pig stomach.
Scandinavian journal of gastroenterology 1997;32(1):2-5.
1997: Angelsen A; Syversen U; Haugen O A; Stridsberg M; Mjølnerød O K; Waldum H L
Neuroendocrine differentiation in carcinomas of the prostate: do neuroendocrine serum markers reflect immunohistochemical findings?
The Prostate 1997;30(1):1-6.
1996: Syversen U; Opsjøn S L; Stridsberg M; Sandvik A K; Dimaline R; Tingulstad S; Arntzen K J; Brenna E; Waldum H L
Chromogranin A and pancreastatin-like immunoreactivity in normal pregnancies.
The Journal of clinical endocrinology and metabolism 1996;81(12):4470-5.
1996: Waldum H L; Arnestad J S; Brenna E; Eide I; Syversen U; Sandvik A K
Marked increase in gastric acid secretory capacity after omeprazole treatment.
Gut 1996;39(5):649-53.
1996: Rønning K; Sandvik A K; Waldum H L
The fade of gastrin-stimulated gastric acid secretion in the rat is due to depletion of releasable mucosal histamine.
Acta physiologica Scandinavica 1996;157(4):487-91.
1996: Waldum H L; Rørvik H; Brenna E
The gastrointestinal tract and the lungs. Similarities with particular emphasis on the neuroendocrine cells.
Sarcoidosis, vasculitis, and diffuse lung diseases : official journal of WASOG / World Association of Sarcoidosis and Other Granulomatous Disorders 1996;13(1):63-5.
1996: Waldum H L; Nilsen O G; Nilsen T; Rørvik H; Syversen V; Sanvik A K; Haugen O A; Torp S H; Brenna E
Long-term effects of inhaled nicotine.
Life sciences 1996;58(16):1339-46.
1995: Mårvik R; Sandvik A K; Waldum H L
Bioassay of gastrin using the isolated vascularly perfused rat stomach. A new, simplified and sensitive method.
Acta physiologica Scandinavica 1995;155(3):323-7.
1995: Syversen U; Halvorsen T; Mårvik R; Waldum H L
Neuroendocrine differentiation in colorectal carcinomas.
European journal of gastroenterology & hepatology 1995;7(7):667-74.
1995: Brenna E; Tielemans Y; Kleveland P M; Sandvik A K; Willems G; Waldum H L
Effect of the histamine-2 agonist impromidine on stem cell proliferation of rat oxyntic mucosa.
Scandinavian journal of gastroenterology 1995;30(4):311-4.
1995: Waldum H L; Brenna E; Kleveland P M; Sandvik A K
Gastrin-physiological and pathophysiological role: clinical consequences.
Digestive diseases (Basel, Switzerland) 1995;13(1):25-38.
1994: Brenna E; Swarts H G; Klaassen C H; de Pont J J; Waldum H L
Evaluation of the trophic effect of longterm treatment with the histamine H2 receptor antagonist loxtidine on rat oxyntic mucosa by differential counting of dispersed cells.
Gut 1994;35(11):1547-50.
1994: Sandvik A K; Dimaline R; Mårvik R; Brenna E; Waldum H L
Gastrin regulates histidine decarboxylase activity and mRNA abundance in rat oxyntic mucosa.
The American journal of physiology 1994;267(2 Pt 1):G254-8.
1994: Waldum H L; Qvigstad G; Mårvik R; Brenna E; Syversen U; Sandvik A K
The effect of tripotassium dicitrato bismuthate on the rat stomach.
Alimentary pharmacology & therapeutics 1994;8(4):425-31.
1994: Syversen U; Jacobsen M B; O'Connor D T; Rønning K; Waldum H L
Immunoassays for measurement of chromogranin A and pancreastatin-like immunoreactivity in humans: correspondence in patients with neuroendocrine neoplasia.
Neuropeptides 1994;26(3):201-6.
1994: Waldum H L; Haugen O A; Brenna E
Do neuroendocrine cells, particularly the D-cell, play a role in the development of gastric stump cancer?
Cancer detection and prevention 1994;18(6):431-6.
1993: Waldum H L; Brenna E; Kleveland P M; Sandvik A K; Syversen U
Review article: the use of gastric acid-inhibitory drugs--physiological and pathophysiological considerations.
Alimentary pharmacology & therapeutics 1993;7(6):589-96.
1993: Johannessen T; Petersen H; Kristensen P; Kleveland P M; Dybdahl J; Sandvik A K; Brenna E; Waldum H
The intensity and variability of symptoms in dyspepsia.
Scandinavian journal of primary health care 1993;11(1):50-5.
1993: Waldum H L
[Optimal use of acid-inhibitors in acid-related diseases. Physiological and physiopathological considerations with implications on therapeutic choice]
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1993;113(4):465-9.
1993: Sandvik A K; Brenna E; Waldum H L
Calcium mediates gastrin-induced gastric histamine release in the rat.
The American journal of physiology 1993;264(1 Pt 1):G51-6.
1993: Syversen U; Mignon M; Bonfils S; Kristensen A; Waldum H L
Chromogranin A and pancreastatin-like immunoreactivity in serum of gastrinoma patients.
Acta oncologica (Stockholm, Sweden) 1993;32(2):161-5.
1993: Waldum H L; Sandvik A K; Syversen U; Brenna E
The enterochromaffin-like (ECL) cell. Physiological and pathophysiological role.
Acta oncologica (Stockholm, Sweden) 1993;32(2):141-7.
1993: Brenna E; Zahlsen K; Mårvik R; Nilsen T; Nilsen O G; Waldum H L
Effect of nicotine on the enterochromaffin like cells of the oxyntic mucosa of the rat.
Life sciences 1993;53(1):21-9.
1992: Syversen U; Waldum H L; O'Connor D T
Rapid, high-yield isolation of human chromogranin A from chromaffin granules of pheochromocytomas.
Neuropeptides 1992;22(4):235-40.
1992: Waldum H L; Hamre T; Kleveland P M; Dybdahl J H; Petersen H
Can NSAIDs cause acute biliary pain with cholestasis?
Journal of clinical gastroenterology 1992;14(4):328-30.
1992: Brenna E; Waldum H L; Sandvik A K; Schulze Søgnen B; Kristensen A
Effects on the rat oxyntic mucosa of the histamine2-antagonist loxtidine and the H+, K(+)-ATPase inhibitor omeprazole.
Alimentary pharmacology & therapeutics 1992;6(3):335-49.
1991: Brenna E; Waldum H L
Studies of isolated parietal and enterochromaffin-like cells from the rat.
Scandinavian journal of gastroenterology 1991;26(12):1295-306.
1991: Petersen H; Johannessen T; Sandvik A K; Kleveland P M; Brenna E; Waldum H; Dybdahl J D
Relationship between endoscopic hiatus hernia and gastroesophageal reflux symptoms.
Scandinavian journal of gastroenterology 1991;26(9):921-6.
1991: Brenna E; Håkanson R; Sundler F; Sandvik A K; Waldum H L
The effect of omeprazole-induced hypergastrinemia on the oxyntic mucosa of mastomys.
Scandinavian journal of gastroenterology 1991;26(6):667-72.
1991: Waldum H L; Sandvik A K; Brenna E; Petersen H
Gastrin-histamine sequence in the regulation of gastric acid secretion.
Gut 1991;32(6):698-701.
1991: Sandvik A K; Waldum H L
CCK-B (gastrin) receptor regulates gastric histamine release and acid secretion.
The American journal of physiology 1991;260(6 Pt 1):G925-8.
1991: Waldum H L; Lehy T; Brenna E; Sandvik A K; Petersen H; Søgnen B S; Bonfils S; Lewin M J
Effect of the histamine-1 antagonist astemizole alone or with omeprazole on rat gastric mucosa.
Scandinavian journal of gastroenterology 1991;26(1):23-35.
1991: Waldum H L; Sandvik A K; Brenna E; Schulze Søgnen B
Radioimmunoassay of histamine.
Scandinavian journal of gastroenterology. Supplement 1991;180():32-9.
1991: Iwasa K; Sandvik A K; Waldum H L
Pentagastrin-stimulated histamine release and acid secretion from the totally isolated vascularly perfused rat stomach.
Agents and actions. Supplements 1991;33():429-34.
1991: Waldum H L; Haugen O A; Isaksen C; Mecsei R; Sandvik A K
Enterochromaffin-like tumour cells in the diffuse but not the intestinal type of gastric carcinomas.
Scandinavian journal of gastroenterology. Supplement 1991;180():165-9.
1990: Johannessen T; Petersen H; Kleveland P M; Dybdahl J H; Sandvik A K; Brenna E; Waldum H
The predictive value of history in dyspepsia.
Scandinavian journal of gastroenterology 1990;25(7):689-97.
1990: Brenna E; Skreden K; Waldum H L; Mårvik R; Dybdahl J H; Kleveland P M; Sandvik A K; Halvorsen T; Myrvold H E; Petersen H
The benefit of colonoscopy.
Scandinavian journal of gastroenterology 1990;25(1):81-8.
1989: Sandvik A K; Holst J J; Waldum H L
The effect of gastrin-releasing peptide on acid secretion and the release of gastrin, somatostatin, and histamine in the totally isolated, vascularly perfused rat stomach.
Scandinavian journal of gastroenterology 1989;24(1):9-15.
1989: Waldum H L; Brenna E; Sandvik A K; Kleveland P M; Petersen H; Søgnen B
Histamine and gastrin in plasma of patients with upper gastrointestinal diseases.
Digestion 1989;42(3):121-7.
1988: Petersen H; Johannessen T; Kleveland P M; Fjøsne U; Dybdahl J H; Waldum H L
Do we need to listen to the patient? The predictive value of symptoms.
Scandinavian journal of gastroenterology. Supplement 1988;155():30-6.
1987: Sandvik A K; Waldum H L; Kleveland P M; Schulze Søgnen B
Gastrin produces an immediate and dose-dependent histamine release preceding acid secretion in the totally isolated, vascularly perfused rat stomach.
Scandinavian journal of gastroenterology 1987;22(7):803-8.
1986: Fjøsne U; Kleveland P M; Waldum H; Halvorsen T; Petersen H
The clinical benefit of routine upper gastrointestinal endoscopy.
Scandinavian journal of gastroenterology 1986;21(4):433-40.
1986: Fjøsne U; Waldum H L; Romslo I; Kleveland P M; Johnsen H; Engebretsen L F
Amylase, pancreatic isoamylase and lipase in serum before and after endoscopic pancreatography.
Acta medica Scandinavica 1986;219(3):301-4.

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