Bjørn Olaf Christophersen

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Publications

  • Nordstoga, Knut; Sørby, Randi; Olivecrona, Gunilla; Smith, Adrian & Christophersen, Bjørn (2012). Pancreatitis in Hyperlipemic Mink (Mustela vison). Veterinary pathology. ISSN 0300-9858. 49(3), p. 557–561. doi: 10.1177/0300985811417248.
  • Roos, Gun; Alm, Carina; Grini, Ida Synnøve Bårvåg & Christophersen, Bjørn (2008). Labeling of healthy food. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 128:942(8).
  • Nordstoga, Knut; Ytrehus, Bjørnar; Christophersen, Bjørn & Olivecrona, Gunilla (2007). Mesenteric Chylothrombosis in Hyperlipidaemic Mink. Journal of Veterinary Medicine A. ISSN 0931-184X. 54(8), p. 411–413.
  • Sæther, Thomas; Tran, TN; Rootwelt, H; Grav, HJ; Christophersen, BO & Haugen, Trine B. (2007). Essential fatty acid deficiency induces fatty acid desaturase expression in rat epididymis, but not in testis. Reproduction. ISSN 1470-1626. 133(2), p. 467–477. doi: 10.1530/REP-06-00294.
  • Christophersen, Bjørn & Woldseth, Berit (2006). Plasmaproteiner. In Stokke, Oddvar & Hagve, Tor-Arne (Ed.), Klinisk biokjemi og fysiologi. Gyldendal Akademisk. ISSN 9788205351769. p. 24–32.
  • Christophersen, Bjørn; Berge, Knut Erik & Retterstøl, Kjetil (2006). Lipoproteiner og ateromatose. In Stokke, Oddvar & Hagve, Tor-Arne (Ed.), Klinisk biokjemi og fysiologi. Gyldendal Akademisk. ISSN 9788205351769. p. 78–93.
  • Christophersen, Bjørn (2006). Leverdiagnostikk. In Stokke, Oddvar & Hagve, Tor-Arne (Ed.), Klinisk biokjemi og fysiologi. Gyldendal Akademisk. ISSN 9788205351769. p. 94–104.
  • Nordstoga, Knut; Christophersen, Bjørn; Ytrehus, B; Espenes, A; Osmundsen, Harald & Landsverk, T [Show all 8 contributors for this article] (2006). Pancreatitis associated with hyperlipoproteinaemia type I in mink (Mustela vison): earliest detectable changes occur in mitochondria of exocrine cells. Journal of Comparative Pathology. ISSN 0021-9975. 134, p. 320–328.
  • Khoury, Janette; Henriksen, Tore; Christophersen, Bjørn & Tonstad, Serena (2005). Effect of a cholesterol-lowering diet on maternal, cord, and neonatal lipids, and pregnancy outcome: A randomized clinical trial. American Journal of Obstetrics and Gynecology. ISSN 0002-9378. 193, p. 1292–1301.
  • Ruge, Toralph; Neuger, Lucyna; Sukonina, Valentina; Wu, Gengshu; Barath, Stefan & Gupta, Jitendra [Show all 11 contributors for this article] (2004). Lipoprotein lipase in the kidney: activity varies widely among animal species. ?. 287.
  • Ruge, Thoralph; Neuger, Lycyna; Sukonina, Valentina; Wu, Gengshu; Barath, Stefan & Gupta, Jitendra [Show all 11 contributors for this article] (2004). Lipoprotein lipase in the kidney: activity varies widely among animal species. American Journal of Physiology - Renal, fluid and electrolyte physiology. ISSN 0363-6127. 287, p. F1131–F1139.
  • Christophersen, Bjørn (2003). Metabolismen av umettede fettsyrer. In Stokke, Oddvar (Eds.), Fra håndverk til høyteknologi. Klinisk kjemi på Rikshospitalet fra 1953 til 2003. Unipub forlag. p. 385–392.
  • Tran, Thien Ngoc; Christophersen, Bjørn & Retterstøl, Kjetil (2003). Metabolism of long chain polyunsaturated fatty acids in testicular cells. In Vriese, S De & Christophe, A. (Ed.), Lipid Metabolism and Male Fertility. The American Oil Chemists' Society (AOCS) Press. ISSN 1893997391. p. 11–22.
  • Heggelund, Lars; Mollnes, Tom Eirik; Ueland, Thor; Christophersen, Bjørn; Aukrust, Pål & Frøland, Stig Sophus (2003). Mannose-Binding Lectin in HIV Infection: Relation to Disease Progression and Highly Active Antiretroviral Therapy. JAIDS. ISSN 1077-9450. 32(4), p. 354–361.
  • Sæther, Thomas; Tran, Thien Ngoc; Rootwelt, Helge; Christophersen, Bjørn & Haugen, Trine Berit (2003). Expression and Regulation of delta 5-Desaturase, delta 6-Desaturase, Stearoyl-Coenzyme A (CoA) Desaturase 1, and Stearoyl-CoA Desaturase 2 in Rat Testis. Biology of Reproduction. ISSN 0006-3363. 69, p. 117–124. doi: 10.1095/biolreprod.102.014035.
  • Lund, Tor M.; Torsvik, Harald; Falch, Dagfinn; Christophersen, Bjørn; Skårdal, Rita & Gullestad, Lars (2002). Effect of morning versus evening intake of simvastatin on the serum cholesterol level in patients with coronary artery diseases. American Journal of Cardiology. ISSN 0002-9149. 90, p. 784–786.
  • Tran, Thien Ngoc & Christophersen, Bjørn (2002). Partitioning of polyunsaturated fatty acid oxidation between mitochondria and peroxisomes in isolated rat hepatocytes studied by HPLC separation of oxidation products. Biochimica et Biophysica Acta. ISSN 0006-3002. 1583, p. 195–204.
  • Hartmann, Anders; Jensen, T. Skeie; Midtvedt, Tore; Reisæter, Anna Varberg; Fauchald, Per & Henriksen, Tore [Show all 8 contributors for this article] (2002). Protein-kreatinin ratio - en enkel metode for vurdering av proteinuri i klinisk praksis. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 122, p. 2180–2183.
  • Retterstøl, Kjetil; Tran, Thien Ngoc; Haugen, Trine Berit & Christophersen, Bjørn (2001). Metabolism of very long chain polyunsaturated fatty acids in isolated rat germ cells. Lipids. ISSN 0024-4201. 36(6), p. 601–606.
  • Retterstøl, Kjetil; Tran, Thien Ngoc; Haugen, Trine Berit & Christophersen, Bjørn (2001). New knowledge about the balanced synthesis of docosahexaenoic acid (DHA) and arachidonic acid (AA). Proceedings / Nordic Lipid Symposium. ISSN 0809-0378. p. 23–29.
  • Christophersen, Bjørn (2001). Mikro-CRP og hjerte-karsykdom. Hjerte-karsykdommer i praksis. ISSN 0441-0092. 43(1), p. 1–4.
  • Retterstøl, Kjetil; Haugen, Trine Berit; Tran, Thien Ngoc & Christophersen, Bjørn (2001). Studies on the metabolism of essential fatty acids in isolated human testicular cells. Journal of Reproduction and Fertility. ISSN 0022-4251. 121, p. 881–887.
  • Tran, Thien Ngoc; Retterstøl, Kjetil & Christophersen, Bjørn (2001). Differences in the conversion of the polyunsaturated fatty acids [1-<SUP>14</SUP>C]22:4(n-6) and [1-<SUP>14</SUP>C]22:5(n-3) to [<SUP>14</SUP>C]22:5(n-6) and [1-<SUP>14</SUP>C]22:6(n-3) in isolated rat hepatocytes. Biochimica et Biophysica Acta. ISSN 0006-3002. 1532, p. 137–147.
  • Tran, Thien Ngoc & Christophersen, Bjørn (2001). Studies on the transport of acetyl groups from peroxisomes to mitochondria in isolated liver cells oxidizing the polyunsaturated fatty acid 22:4n-6. Biochimica et Biophysica Acta. ISSN 0006-3002. 1533(3), p. 255–265.
  • Retterstøl, Kjetil; Haugen, T. B. & Christophersen, Bjørn (2001). Studies on the metabolism of very long chain essential fatty acids in isolated human testicular cells. Reproduction. ISSN 1470-1626. 121, p. 881–887.
  • Retterstøl, Kjetil; Tran, Thien Ngoc; Haugen, T. B. & Christophersen, Bjørn (2001). The metabolism of polyunsaturated fatty acids in isolated rat germ cells. Lipids. ISSN 0024-4201. 36, p. 601–606.
  • Tonstad, Serena; Strøm, E.C.; Bergei, C.S.; Ose, Leiv & Christophersen, Bjørn (2001). Serum cholesterol response to replacing butter with a new trans-free margarine in hypercholesterolemic subjects. NMCD. Nutrition Metabolism and Cardiovascular Diseases. ISSN 0939-4753. 11(5), p. 320–326.
  • Christophersen, Bjørn (2000). Plasmaproteiner, Klinisk biokjemi og fysiologi. Gyldendal Akademisk. ISSN 82-417-1213-8. p. 75–84.
  • Christophersen, Bjørn (2000). Plasma-lipoproteiner og ateromatose, Klinisk biokjemi og fysiologi. Gyldendal Akademisk. ISSN 82-417-1213-8. p. 111–126.
  • Christophersen, Bjørn (2000). Leverdiagnostikk, Klinisk biokjemi og fysiologi. Gyldendal Akademisk. ISSN 82-417-1213-8. p. 273–284.
  • Retterstøl, Kjetil; Haugen, Trine Berit & Christophersen, Bjørn (2000). The pathway from arachidonic to docosapentaenoic acid (20:4n-6 to 22:5n-6) and from eicosapentaenoic to docosahexaenoic acid (20:5n-3 to 22:6n-3) studied in testicular cells from immature rats. Biochimica et Biophysica Acta. ISSN 0006-3002. 1483, p. 119–131.
  • Retterstøl, Kjetil; Lund, Anne Marie; Tverdal, Siri & Christophersen, Bjørn (2000). Metabolism of some radiolabeled essential fatty acids in isolated rat hepatocytes is affected by dietary ethanol. Alcohol. ISSN 0741-8329. 21, p. 19–26.
  • Dahl, Trond; Kontny, Frederic; Slagvold, C. E.; Christophersen, Bjørn; Abildgaard, Ulrich & Ødegaard, Ole Rasmus [Show all 8 contributors for this article] (2000). Lipoprotein(a), other lipoproteins and hemostatic profiles in patients with ischemic stroke: the relation to cardiogenic embolism. Cerebrovascular Diseases. ISSN 1015-9770. 10, p. 110–117.
  • Christophersen, Bjørn & Gislefoss, Randi E. (2000). Capillary isotachophoresis of plasma lipoproteins. Atherosclerosis. ISSN 0021-9150. 150, Suppl. 2.
  • Christophersen, Bjørn; Retterstøl, Kjetil & Urdal, Petter (2000). Lipidanalyser ved hjerte/karsykdom. Gammelt nytt, men hva er nyttig? Proceedings / Nordic Lipid Symposium. ISSN 0809-0378. 29, p. 11–14.
  • Dahl, T.; Kontny, Frederic; Slagvold, C. E.; Christophersen, Bjørn; Abildgaard, Ulrich & Ødegaard, Ole Rasmus [Show all 8 contributors for this article] (2000). Lipoprotein(a), Other Lipoproteins and Hemostatic Profiles in patients with Ischemic Stroke: The Relation to Cardiogenic Embolism. Cerebrovascular Diseases. ISSN 1015-9770. 10, p. 110–117.
  • Retterstøl, Kjetil; Lund, Anne Marie; Tverdal, Siri & Christophersen, Bjørn (1999). The metabolism of essential fatty acids in rat liver is influenced more by dietary fat than dietary ethanol. Lipids. ISSN 0024-4201. 34, Supplement, p. S133–S134.
  • Savonen, Roger; Nordstoga, Knut; Christophersen, Bjørn; Lindberg, Anna; Shen, Yan & Hultin, Magnus [Show all 8 contributors for this article] (1999). Chylomicron metabolism in an animal model for hyperlipoproteinemia type I. Journal of Lipid Research. ISSN 0022-2275. 40, p. 1336–1346.
  • Lindberg, Anna; Nordstoga, Knut; Christophersen, Bjørn; Savonen, Roger; Tol, Arie Van & Olivecrona, Gunilla (1998). A mutation in the lipoprotein lipase gene associated with hyperlipoproteinemia type I in mink: Studies on lipid and lipase levels in heterozygotes. International Journal of Molecular Medicine. ISSN 1107-3756. 1, p. 529–538.
  • Pedersen, Terje Rolf; Olsson, Anders G.; Færgeman, Ole; Kjekshus, John; Wedel, Hans & Berg, Kåre [Show all 15 contributors for this article] (1998). Lipoprotein changes and reduction in the incidence of major coronary heart disease events in the Scandinavian Simvastatin Survival Study (4S). Circulation. ISSN 0009-7322. 97, p. 1453–1460.
  • Retterstøl, Kjetil; Haugen, Trine Berit; Woldseth, Berit & Christophersen, Bjørn (1998). A comparative study of the metabolism of n-9, n-6 and n-3 fatty acids in testicular cells from immature rat. Biochimica et Biophysica Acta. ISSN 0006-3002. 1392, p. 59–72.
  • Retterstøl, Kjetil; Haugen, T. B.; Woldseth, Berit & Christophersen, Bjørn (1998). A comparative study of the metabolism of n-9 and n-3 fatty acids in testicular cells from immature rat. Biochimica et Biophysica Acta. ISSN 0006-3002. p. 59–72.
  • Woldseth, Berit; Retterstøl, Kjetil & Christophersen, Bjørn (1998). Monounsaturated trans fatty acids, elaidic acid and trans-vaccenic acid, metabolism and incorporation in phospholipid molecular species in hepatocytes. Scandinavian Journal of Clinical and Laboratory Investigation. ISSN 0036-5513. 58, p. 635–646.
  • Berg, Kåre; Pedersen, Terje Rolf; Kjekshus, John; Christophersen, Bjørn; Olsson, Anders G. & Færgeman, Ole [Show all 15 contributors for this article] (1998). Lipoprotein changes and reduction in the incidence of major coronary heart disease events in the Scandinavian Simvastatin Survival Study (4S). Circulation. ISSN 0009-7322. 97, p. 1453–1460.
  • Pedersen, Terje Rolf; Olsson, Anders G.; Færgeman, Ole; Kjekshus, John; Wedel, Hans & Berg, K. Andersen [Show all 15 contributors for this article] (1998). Lipoprotein changes and reduction in the incidence of major coronary events in the Scandinavian Simvastatin Survival Study (4S). Circulation. ISSN 0009-7322. 97.
  • Christophersen, Bjørn (1997). Plasma-lipoproteiner og atheromatose. In Stokke, Oddvar (Eds.), Klinisk biokjemi og fysiologi. Universitetsforlaget. ISSN 82-00-42963-6. p. 84–99.
  • Christophersen, Bjørn (1997). Plasmaproteiner. In Stokke, Oddvar (Eds.), Klinisk biokjemi og fysiologi. Universitetsforlaget. ISSN 82-00-42963-6. p. 57–66.
  • Christophersen, Bjørn (1997). Leverdiagnostikk. In Stokke, Oddvar (Eds.), Klinisk biokjemi og fysiologi. Universitetsforlaget. ISSN 82-00-42963-6. p. 231–242.
  • Christophersen, Bjørn; Nordstoga, Knut; Shen, Yan; Olivecrona, Thomas & Olivecrona, Gunilla (1997). Lipoprotein lipase deficiency with pancreatitis in mink: characterization and pathology. Journal of Lipid Research. ISSN 0022-2275. 38, p. 837–846.
  • Dunlop, Oona; Goplen, Anne Kristin; Liestøl, Knut; Myrvang, Bjørn; Rootwelt, Helge & Christophersen, Bjørn [Show all 8 contributors for this article] (1997). HIV encephalitis and Apolipoprotein E. A population-based autopsy study from Oslo. Acta Neurologica Scandinavica. ISSN 0001-6314. 95, p. 316–319.
  • Berg, Kåre; Dahlén, Gösta; Christophersen, Bjørn; Cook, Thomas J.; Kjekshus, John & Pedersen, Terje Rolf (1997). Lp(a) lipoprotein level predicts survival and major coronary events in the Scandinavian Simvastatin Survival Study. Clinical Genetics. ISSN 0009-9163. 52, p. 254–261.
  • Retterstøl, Kjetil; Woldseth, Berit & Christophersen, Bjørn (1996). The metabolism of 22:5(-6) and of docosahexaenoic acid [22:6(-3)] compared in rat hepatocytes. Biochimica et Biophysica Acta. ISSN 0006-3002. 1303, p. 180–186.
  • Tonstad, Serena; Refsum, Helge; Sivertsen, M. S.; Christophersen, Bjørn; Ose, Leiv & Ueland, Per Magne (1996). Relation of homocysteine and lipid levels in children to premature cardiovascular death in male relatives. Pediatric Research. ISSN 0031-3998. 40, p. 47–52.
  • Norum, Kaare Reidar; Christiansen, Erling N; Christophersen, Bjørn & Bremer, Jon (1989). Metabolic and nutritional aspects of long chain fatty acids of marine origin. In Vergroesen, AJ & Crawford, Michael H. (Ed.), The role of fat in human nutrition. Academic Press, London. p. 117–149.
  • Norseth, J; Christiansen, Erling N & Christophersen, Bjørn (1979). Increased chain shortening of erucic acid in perfused heart from rats fed rapeseed oil. FEBS Letters. ISSN 0014-5793. 97, p. 163–165.

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  • Christophersen, Bjørn; Norseth, J; Thomassen, M. S.; Christiansen, Erling N; Norum, Kaare Reidar & Osmundsen, Harald [Show all 7 contributors for this article] (1982). Metabolism and metabolic effects of C22:1 fatty acids with special reference to cardiac lipidosis, in Nutritional Evaluation of Long-chain Fatty Acids in Fish Oil, pages 89-139. ME Stansby & SM Barlow (Eds) Academic Press. 51 p.

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  • Nordstoga, K; Ytrehus, B; Christophersen, Bjørn & Olivecrona, G (2007). Mesenteric Chylothrombosis in Hyperlipidaemic Mink. Journal of Veterinary Medicine A. ISSN 0931-184X. 54, p. 1–3.
  • Sæther, Thomas; Tran, Thien Ngoc; Christophersen, Bjørn & Haugen, Trine Berit (2002). Effect of Dietary Fats, Insulin and Dexamethasone on delta6-desaturase Expression in Rat Testis.
  • Sæther, Thomas; Tran, Thien Ngoc; Christophersen, Bjørn & Haugen, Trine Berit (2002). Effect of Dietary Fats, Insulin and Dexamethasone on delta6-desaturase Expression in Rat Testis.
  • Sæther, Thomas; Tran, Thien Ngoc; Christophersen, Bjørn & Haugen, Trine Berit (2001). Effect of Dietary Fats, Insulin and Dexamethasone on delta6-desaturase Expression in Rat Testis.
  • Sæther, Trond; Tran, Thien Ngoc; Christophersen, Bjørn & Haugen, T. B. (2001). Effect of dietary fats, insulin and dexamethasone on - desaturase expresion in rat testis.
  • Tran, Thien Ngoc; Sæther, Thomas; Christophersen, Bjørn; Rootwelt, Helge; Retterstøl, Kjetil & Haugen, Trine Berit (2001). Expression of delta6- and delta5-desaturase in Rat Testis.
  • Tran, Thien Ngoc & Christophersen, Bjørn (2001). Oxidation of polyunsaturated fatty acids in isolated rat hepatocytes and the metabolic fate of released acetate.
  • Tran, Thien Ngoc & Christophersen, Bjørn (2001). The transport of acetyl units released from peroxisomal fatty acid oxidation to mitochondria in isolated rat hepatocytes.
  • Tran, Thien Ngoc & Christophersen, Bjørn (2001). Oxidation of polyunsaturated fatty acids in isolated hepatocytes and the metabolic fate of acetate released by peroxisomal fatty acid oxidation.
  • Christophersen, Bjørn (2000). Laurell deler sine kunnskaper om plasmaproteinelektroforeser med oss. Klinisk Biokemi i Norden. ISSN 1101-2013. 12(4).
  • Retterstøl, Kjetil; Haugen, Trine Berit; Tran, Thien Ngoc & Christophersen, Bjørn (2000). A study of the metabolism of N-9, N-6 and N-3 fatty acids in cells from immature rat testes and from adult human testes.
  • Tran, Thien Ngoc; Christophersen, Bjørn; Rootwelt, Helge; Retterstøl, Kjetil & Haugen, Trine Berit (2000). Expression of _D6-desaturases in rat testes.
  • Christophersen, Bjørn (2000). Klinisk-kjemiske risikoparametre i vurdering av høyrisikopasienter (CRP, Lp(a)).
  • Retterstøl, Kjetil; Haugen, Trine Berit & Christophersen, Bjørn (1999). Lange flerumettede fettsyrer kan ha betydning for mannlig reproduksjonsevne.
  • Christophersen, Bjørn & Brun, Atle (1999). Transferrin reseptor (TfR), biosyntese og analyse av løselig reseptor.
  • Retterstøl, Kjetil; Haugen, T. B. & Christophersen, Bjørn (1999). Lange flerumettede fettsyrer kan ha betydning for mannlig reproduksjonsevne. Resultater fra våre studier omkring syntesen og metabolismen av slike fettsyrer.
  • Tran, Thien Ngoc; Retterstøl, Kjetil & Christophersen, Bjørn (1999). Regulation of metabolism of 22:4(n-6) and 22:5(n-3) to 22:5(n-6) and 22:6(n-3) in isolated rat hepatocytes.
  • Retterstøl, Kjetil; Haugen, Trine Berit; Pran, T N. & Christophersen, Bjørn (1999). The pathway from arachidonic to decosapentaenoic acid (22:5n-6) and from eicosapentaenoic to docosahexaenoic acid (22:6n-3) studied in rat testicular cell.
  • Christophersen, Bjørn; Olivecrona, Gunilla & Nordstoga, Knut (1999). Lipoprotein lipase deficiency with pancreatitis studied in an animal model.
  • Retterstøl, Kjetil; Røkkum, Magne & Christophersen, Bjørn (1999). Does the apolipoprotein E genotype influence on the nerve growth of nevroms in humans?
  • Retterstøl, Kjetil; Haugen, Trine Berit; Tran, Thien Ngoc & Christophersen, Bjørn (1999). The pathway from arachidonic to docosapentaenoic acid (22:5n-6) and from eicosapentaenoic to docosahexaenoic acid (22:6n-3) studied in rat testicular cells.
  • Retterstøl, Kjetil; Christophersen, Bjørn & Haugen, Trine Berit (1997). Elongation and Desaturation of n-3,n-6 and n-9 Fatty Acids and Synthesis of C24 Intermediates in Rat Testicular Cells.
  • Retterstøl, Kjetil; Christophersen, Bjørn & Haugen, Trine Berit (1997). Elongation and Desaturation of n-3, n-6 and n-9 Fatty Acids and Synthesis of C24 Intermediates in Rat Testicular cells.
  • Haugen, Trine Berit; Retterstøl, Kjetil & Christophersen, Bjørn (1997). The metabolism of long chain polyunsaturated fatty acids in rat testicular cells.
  • Haugen, Trine Berit; Retterstøl, Kjetil & Christophersen, Bjørn (1997). The metabolism of long chain polyunsaturated fatty acids in rat testicular cells.
  • Haugen, T. B.; Retterstøl, Kjetil & Christophersen, Bjørn (1997). The metabolism of long chain polyunsaturated fatty acids in rat testicular cells.
  • Haugen, T. B.; Retterstøl, Kjetil & Christophersen, Bjørn (1997). The metabolism of long chain polyunsaturated fatty acids in rat testicular cells.
  • Retterstøl, Kjetil; Haugen, T. B. & Christophersen, Bjørn (1997). Metabolism of long chain polyunsaturated fatty acids in rat testis cells.
  • Savonen, Roger; Nordstoga, Knut; Christophersen, Bjørn; Hultin, Magnus; Olivecrona, Thomas & Olivecrona, Gunilla (1997). Chylomicron metabolism in type 1 hypertriglyceridemic mink (Mustela vison).
  • Rootwelt, Helge & Christophersen, Bjørn (1999). "Er dette lymfe"? Rikshospitalet, Oslo..
  • Christophersen, Bjørn (1999). Transferrinreseptor. Rikshospitalet, Oslo.

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Published Apr. 13, 2016 11:22 AM - Last modified Apr. 13, 2016 11:22 AM