Marianne Haag

Summary

Affiliation: University of Pretoria
Country: South Africa

Publications

  1. ncbi request reprint Essential fatty acids and the brain
    Marianne Haag
    Department of Physiology, University of Pretoria, PO Box 2034, Pretoria 0001, South Africa
    Can J Psychiatry 48:195-203. 2003
  2. ncbi request reprint Polyunsaturated fatty acids inhibit Mg2+ -ATPase in basolateral membranes from rat enterocytes
    M Haag
    Department of Physiology, University of Pretoria, South Africa
    Prostaglandins Leukot Essent Fatty Acids 61:25-7. 1999
  3. ncbi request reprint Omega-3 fatty acids modulate ATPases involved in duodenal Ca absorption
    Marianne Haag
    Department of Physiology, University of Pretoria, PO Box 2034, Pretoria 0001, South Africa
    Prostaglandins Leukot Essent Fatty Acids 68:423-9. 2003
  4. ncbi request reprint Effect of arachidonic acid on duodenal enterocyte ATPases
    M Haag
    Department of Physiology, University of Pretoria, South Africa
    Prostaglandins Other Lipid Mediat 66:53-63. 2001
  5. ncbi request reprint Upregulation of duodenal calcium absorption by poly-unsaturated fatty acids: events at the basolateral membrane
    M Haag
    Department of Physiology, University of Pretoria, PO Box 2034, Pretoria, 0001, South Africa
    Med Hypotheses 56:637-40. 2001
  6. doi request reprint Effects of arachidonic acid and docosahexaenoic acid on differentiation and mineralization of MC3T3-E1 osteoblast-like cells
    Magdalena Coetzee
    Department of Physiology, University of Pretoria, Pretoria, South Africa
    Cell Biochem Funct 27:3-11. 2009
  7. ncbi request reprint Dietary fats, fatty acids and insulin resistance: short review of a multifaceted connection
    Marianne Haag
    Department of Physiology, University of Pretoria, Pretoria, South Africa
    Med Sci Monit 11:RA359-67. 2005
  8. ncbi request reprint Inhibition of duodenal enterocyte Mg2+-ATPase by arachidonic acid is not mediated by an effect on protein kinase C
    M Haag
    Department of Physiology, University of Pretoria, South Africa
    Prostaglandins Leukot Essent Fatty Acids 62:183-7. 2000
  9. ncbi request reprint Stimulation of prostaglandin E2 (PGE2) production by arachidonic acid, oestrogen and parathyroid hormone in MG-63 and MC3T3-E1 osteoblast-like cells
    M Coetzee
    Department of Physiology, University of Pretoria, South Africa
    Prostaglandins Leukot Essent Fatty Acids 73:423-30. 2005
  10. ncbi request reprint Effects of arachidonic acid, docosahexaenoic acid and prostaglandin E(2) on cell proliferation and morphology of MG-63 and MC3T3-E1 osteoblast-like cells
    M Coetzee
    Department of Physiology, University of Pretoria, PO Box 2034, Pretoria 0001, South Africa
    Prostaglandins Leukot Essent Fatty Acids 76:35-45. 2007

Collaborators

Detail Information

Publications15

  1. ncbi request reprint Essential fatty acids and the brain
    Marianne Haag
    Department of Physiology, University of Pretoria, PO Box 2034, Pretoria 0001, South Africa
    Can J Psychiatry 48:195-203. 2003
    ..To review the role of essential fatty acids in brain membrane function and in the genesis of psychiatric disease...
  2. ncbi request reprint Polyunsaturated fatty acids inhibit Mg2+ -ATPase in basolateral membranes from rat enterocytes
    M Haag
    Department of Physiology, University of Pretoria, South Africa
    Prostaglandins Leukot Essent Fatty Acids 61:25-7. 1999
    ..The action of linoleic and gamma-linolenic acids on basolateral membrane Mg2+-ATPase may thus modulate several cellular transport processes...
  3. ncbi request reprint Omega-3 fatty acids modulate ATPases involved in duodenal Ca absorption
    Marianne Haag
    Department of Physiology, University of Pretoria, PO Box 2034, Pretoria 0001, South Africa
    Prostaglandins Leukot Essent Fatty Acids 68:423-9. 2003
    ..01), this effect was partially reversed by 100 microM indomethacin, a cyclo-oxygenase blocker. Omega-3 fatty acids are thus involved in multiple signalling effects that effect ATPases in BLM...
  4. ncbi request reprint Effect of arachidonic acid on duodenal enterocyte ATPases
    M Haag
    Department of Physiology, University of Pretoria, South Africa
    Prostaglandins Other Lipid Mediat 66:53-63. 2001
    ..1 mM, a cyclo-oxygenase blocker, could also not reverse the inhibitory effect of AA on Na+,K+-ATPase. Ca2+-ATPase, on the other hand, is not affected significantly (-10%, P > 0.05) by arachidonic acid at 30 microg/ml...
  5. ncbi request reprint Upregulation of duodenal calcium absorption by poly-unsaturated fatty acids: events at the basolateral membrane
    M Haag
    Department of Physiology, University of Pretoria, PO Box 2034, Pretoria, 0001, South Africa
    Med Hypotheses 56:637-40. 2001
    ....
  6. doi request reprint Effects of arachidonic acid and docosahexaenoic acid on differentiation and mineralization of MC3T3-E1 osteoblast-like cells
    Magdalena Coetzee
    Department of Physiology, University of Pretoria, Pretoria, South Africa
    Cell Biochem Funct 27:3-11. 2009
    ..More research is required to elucidate the cellular mechanisms of action of PUFAs on bone...
  7. ncbi request reprint Dietary fats, fatty acids and insulin resistance: short review of a multifaceted connection
    Marianne Haag
    Department of Physiology, University of Pretoria, Pretoria, South Africa
    Med Sci Monit 11:RA359-67. 2005
    ..Greater understanding of the role played by dietary fat and plasma fatty acids in pathogenesis of insulin resistance, will allow for more timely prevention and improved treatment in the future...
  8. ncbi request reprint Inhibition of duodenal enterocyte Mg2+-ATPase by arachidonic acid is not mediated by an effect on protein kinase C
    M Haag
    Department of Physiology, University of Pretoria, South Africa
    Prostaglandins Leukot Essent Fatty Acids 62:183-7. 2000
    ..5 microM) and calphostin (0.5 microM) did not influence the action of arachidonic acid on Mg2+-ATPase; protein kinase C involvement in this process is thus not indicated...
  9. ncbi request reprint Stimulation of prostaglandin E2 (PGE2) production by arachidonic acid, oestrogen and parathyroid hormone in MG-63 and MC3T3-E1 osteoblast-like cells
    M Coetzee
    Department of Physiology, University of Pretoria, South Africa
    Prostaglandins Leukot Essent Fatty Acids 73:423-30. 2005
    ..Both COX-1 and COX-2 affected the regulation of PGE(2) synthesis in MG-63 cells. E2 had no effect on PGE(2) secretion in both cell lines, while PTH caused a slight increase in PGE(2) synthesis in the MG-63 cell line...
  10. ncbi request reprint Effects of arachidonic acid, docosahexaenoic acid and prostaglandin E(2) on cell proliferation and morphology of MG-63 and MC3T3-E1 osteoblast-like cells
    M Coetzee
    Department of Physiology, University of Pretoria, PO Box 2034, Pretoria 0001, South Africa
    Prostaglandins Leukot Essent Fatty Acids 76:35-45. 2007
    ..Further study is required to determine whether reduced proliferation due to fatty acids could be due to increased differentiation of osteoblasts to the mature mineralising osteoblastic phenotype...
  11. doi request reprint Short-term fatty acid effects on adipocyte glucose uptake: mechanistic insights
    M Haag
    Department of Physiology, Faculty of Health Sciences, University of Pretoria, PO Box 2034, Pretoria 0001, South Africa
    Prostaglandins Leukot Essent Fatty Acids 80:247-53. 2009
    ..1%. Inhibitor studies showed the involvement of prostaglandins, lipoxins, protein kinase C and tyrosine kinase in these processes...
  12. ncbi request reprint Arachidonic acid and glucose uptake by freshly isolated human adipocytes
    Ana C A Malipa
    Department of Anatomy and Physiology, Faculty of Veterinary Science, University of Pretoria, South Africa
    Cell Biochem Funct 26:221-7. 2008
    ....
  13. ncbi request reprint The effect of omega-3 fatty acids on Ca-ATPase in rat cerebral cortex
    S D Kearns
    Department of Physiology, University of Pretoria, South Africa
    Prostaglandins Leukot Essent Fatty Acids 67:303-8. 2002
    ..7% and -42+/-1%, respectively). These results suggest a mechanism that explains the dampening effect of omega-3 fatty acids on neuronal activity...
  14. ncbi request reprint Effects of arachidonic acid, docosahexaenoic acid, prostaglandin E(2) and parathyroid hormone on osteoprotegerin and RANKL secretion by MC3T3-E1 osteoblast-like cells
    Magdalena Coetzee
    Department of Physiology, University of Pretoria, PO Box 2034, Pretoria 0001, South Africa
    J Nutr Biochem 18:54-63. 2007
    ..This study demonstrates that AA and PTH reduce the OPG/RANKL ratio and may increase osteoclastogenesis. DHA, however, had no significant effect on OPG or RANKL in this model...
  15. ncbi request reprint Modulation of intestinal vitamin D receptor availability and calcium ATPase activity by essential fatty acids
    F Leonard
    Department of Physiology, University of Pretoria, Pretoria, South Africa
    Prostaglandins Leukot Essent Fatty Acids 64:147-50. 2001
    ....