F B Jensen

Summary

Affiliation: University of Southern Denmark
Country: Denmark

Publications

  1. doi request reprint Interspecific variation and plasticity in hemoglobin nitrite reductase activity and its correlation with oxygen affinity in vertebrates
    Frank B Jensen
    Department of Biology, University of Southern Denmark, DK 5230 Odense M, Denmark Electronic address
    Comp Biochem Physiol A Mol Integr Physiol . 2017
  2. doi request reprint Metabolic fates and effects of nitrite in brown trout under normoxic and hypoxic conditions: blood and tissue nitrite metabolism and interactions with branchial NOS, Na+/K+-ATPase and hsp70 expression
    Frank B Jensen
    Department of Biology, University of Southern Denmark, Campusvej 55, Odense M DK 5230, Denmark
    J Exp Biol 218:2015-22. 2015
  3. doi request reprint Nitric oxide formation from the reaction of nitrite with carp and rabbit hemoglobin at intermediate oxygen saturations
    Frank B Jensen
    Institute of Biology, University of Southern Denmark, Odense M, Denmark
    FEBS J 275:3375-87. 2008
  4. ncbi request reprint Perfusion of the isolated trout heart coronary circulation with red blood cells: effects of oxygen supply and nitrite on coronary flow and myocardial oxygen consumption
    F B Jensen
    Institute of Biology, University of Southern Denmark, Odense M
    J Exp Biol 208:3665-74. 2005
  5. ncbi request reprint Nitrite transport into pig erythrocytes and its potential biological role
    F B Jensen
    Institute of Biology, University of Southern Denmark, Odense, Denmark
    Acta Physiol Scand 184:243-51. 2005
  6. doi request reprint ATP release and extracellular nucleotidase activity in erythrocytes and coronary circulation of rainbow trout
    Frank B Jensen
    Institute of Biology, University of Southern Denmark, DK 5230 Odense M, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 152:351-6. 2009
  7. doi request reprint The role of nitrite in nitric oxide homeostasis: a comparative perspective
    Frank B Jensen
    Institute of Biology, University of Southern Denmark, Campusvej 55, DK 5230 Odense M, Denmark
    Biochim Biophys Acta 1787:841-8. 2009
  8. doi request reprint The dual roles of red blood cells in tissue oxygen delivery: oxygen carriers and regulators of local blood flow
    Frank B Jensen
    Institute of Biology, University of Southern Denmark, Campusvej 55, DK 5230 Odense M, Denmark
    J Exp Biol 212:3387-93. 2009
  9. ncbi request reprint Comparative analysis of autoxidation of haemoglobin
    F B Jensen
    Institute of Biology, SDU, Odense University, Campusvej 55, DK 5230 Odense M, Denmark
    J Exp Biol 204:2029-33. 2001
  10. ncbi request reprint Hydrogen ion binding properties of tuna haemoglobins
    F B Jensen
    Institute of Biology, SDU, Odense University, Campusvej 55, Odense M DK 5230, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 129:511-7. 2001

Detail Information

Publications27

  1. doi request reprint Interspecific variation and plasticity in hemoglobin nitrite reductase activity and its correlation with oxygen affinity in vertebrates
    Frank B Jensen
    Department of Biology, University of Southern Denmark, DK 5230 Odense M, Denmark Electronic address
    Comp Biochem Physiol A Mol Integr Physiol . 2017
    ....
  2. doi request reprint Metabolic fates and effects of nitrite in brown trout under normoxic and hypoxic conditions: blood and tissue nitrite metabolism and interactions with branchial NOS, Na+/K+-ATPase and hsp70 expression
    Frank B Jensen
    Department of Biology, University of Southern Denmark, Campusvej 55, Odense M DK 5230, Denmark
    J Exp Biol 218:2015-22. 2015
    ..Nitrite displays a concentration-dependent switch between positive and negative effects similar to other signaling molecules. ..
  3. doi request reprint Nitric oxide formation from the reaction of nitrite with carp and rabbit hemoglobin at intermediate oxygen saturations
    Frank B Jensen
    Institute of Biology, University of Southern Denmark, Odense M, Denmark
    FEBS J 275:3375-87. 2008
    ....
  4. ncbi request reprint Perfusion of the isolated trout heart coronary circulation with red blood cells: effects of oxygen supply and nitrite on coronary flow and myocardial oxygen consumption
    F B Jensen
    Institute of Biology, University of Southern Denmark, Odense M
    J Exp Biol 208:3665-74. 2005
    ..g. NO(2)(-)-->NO conversion in myocardial cells) cannot be excluded. The NO formation associated with nitrite had no effect on coronary flow, possibly because NO was produced after the resistance vessels...
  5. ncbi request reprint Nitrite transport into pig erythrocytes and its potential biological role
    F B Jensen
    Institute of Biology, University of Southern Denmark, Odense, Denmark
    Acta Physiol Scand 184:243-51. 2005
    ..To study nitrite transport and its oxygenation dependency in pig erythrocytes, as this is fundamental to the possible participation of nitrite in blood flow regulation via its reduction to nitric oxide by deoxygenated haemoglobin (Hb)...
  6. doi request reprint ATP release and extracellular nucleotidase activity in erythrocytes and coronary circulation of rainbow trout
    Frank B Jensen
    Institute of Biology, University of Southern Denmark, DK 5230 Odense M, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 152:351-6. 2009
    ..The latter is suggested to be related to the lack of a deoxygenation-dependent interaction of trout hemoglobin with the cytoplasmic domain of band 3...
  7. doi request reprint The role of nitrite in nitric oxide homeostasis: a comparative perspective
    Frank B Jensen
    Institute of Biology, University of Southern Denmark, Campusvej 55, DK 5230 Odense M, Denmark
    Biochim Biophys Acta 1787:841-8. 2009
    ..It is argued that the study of hypoxia-tolerant lower vertebrates and diving mammals may help evaluate mechanisms and a full understanding of the physiological role of nitrite...
  8. doi request reprint The dual roles of red blood cells in tissue oxygen delivery: oxygen carriers and regulators of local blood flow
    Frank B Jensen
    Institute of Biology, University of Southern Denmark, Campusvej 55, DK 5230 Odense M, Denmark
    J Exp Biol 212:3387-93. 2009
    ..Information from other vertebrate groups is integrated in the analysis and used to discuss the evolutionary origin and general relevance of each hypothesis...
  9. ncbi request reprint Comparative analysis of autoxidation of haemoglobin
    F B Jensen
    Institute of Biology, SDU, Odense University, Campusvej 55, DK 5230 Odense M, Denmark
    J Exp Biol 204:2029-33. 2001
    ..Arrhenius plots of carp and yellowfin tuna haemoglobin revealed a break at 25 degrees C, reflecting a lower temperature-sensitivity between 5 and 25 degrees C than between 25 and 40 degrees C...
  10. ncbi request reprint Hydrogen ion binding properties of tuna haemoglobins
    F B Jensen
    Institute of Biology, SDU, Odense University, Campusvej 55, Odense M DK 5230, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 129:511-7. 2001
    ..Approximately nine "neutral" groups were titratable in tuna Hbs, suggesting that two alpha-amino groups and seven histidine residues are titrated within each tetramer...
  11. doi request reprint Comparative analysis of nitrite uptake and hemoglobin-nitrite reactions in erythrocytes: sorting out uptake mechanisms and oxygenation dependencies
    Frank B Jensen
    Institute of Biology, University of Southern Denmark, Campusvej 55, DK 5230 Odense M, Denmark
    Am J Physiol Regul Integr Comp Physiol 298:R972-82. 2010
    ..We propose a model for RBC nitrite uptake that involves both HNO(2) diffusion and AE1-mediated transport and that explains both the present and previous (sometimes puzzling) results...
  12. ncbi request reprint Anion uptake and acid-base and ionic effects during isolated and combined exposure to hypercapnia and nitrite in the freshwater crayfish, Astacus astacus
    F B Jensen
    Institute of Biology, University of Southern Denmark, Odense University
    J Comp Physiol B 170:489-95. 2000
    ....
  13. ncbi request reprint Acute and chronic influence of temperature on red blood cell anion exchange
    F B Jensen
    Institute of Biology, University of Southern Denmark, Campusvej 55, Odense University, DK 5230 Odense M, Denmark
    J Exp Biol 204:39-45. 2001
    ....
  14. doi request reprint Differential uptake and metabolism of nitrite in normoxic and hypoxic goldfish
    Frank B Jensen
    Institute of Biology, University of Southern Denmark, Campusvej 55, DK 5230 Odense M, Denmark
    Aquat Toxicol 101:318-25. 2011
    ..We conclude that ambient oxygen conditions have profound influence on branchial nitrite uptake and that nitrosative stress is an integral part of nitrite toxicity at high nitrite concentrations...
  15. ncbi request reprint Nitric oxide formation from nitrite in zebrafish
    Frank B Jensen
    Institute of Biology, University of Southern Denmark, Campusvej 55, DK 5230 Odense M, Denmark
    J Exp Biol 210:3387-94. 2007
    ..Total blood [Hb] was also significantly decreased. In spite of the reduced blood O2 capacitance, and the possibility that excess NO may inhibit mitochondrial respiration, whole animal routine oxygen consumption was not depressed...
  16. ncbi request reprint Effects of exhausting exercise and catecholamines on K+ balance, acid-base status and blood respiratory properties in carp
    P K Knudsen
    Institute of Biology, Odense University, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 119:301-7. 1998
    ..The minimal influence of catecholamines on the measured parameters during recovery from exercise was supported by an absence of change in these parameters upon adrenaline injection in resting carp...
  17. ncbi request reprint Effects of feeding on metabolism, gas transport, and acid-base balance in the bullfrog Rana catesbeiana
    M Busk
    Centre for Respiratory Adaptation, Institute of Biology, University of Southern Denmark, Denmark
    Am J Physiol Regul Integr Comp Physiol 278:R185-95. 2000
    ..However, phosphocreatine was reduced in the sartorius muscle and ventricle 48 h after feeding...
  18. ncbi request reprint Copper exposure impairs intra- and extracellular acid-base regulation during hypercapnia in the fresh water rainbow trout (Oncorhynchus mykiss)
    T Wang
    Centre for Respiratory Adaptation, Odense University, Denmark
    J Comp Physiol B 168:591-9. 1998
    ....
  19. ncbi request reprint Red blood cell pH, the Bohr effect, and other oxygenation-linked phenomena in blood O2 and CO2 transport
    F B Jensen
    Institute of Biology, University of Southern Denmark, Odense, Denmark
    Acta Physiol Scand 182:215-27. 2004
    ..In teleost fish, beta-adrenergic activation of Na+/H+ exchange rapidly elevates pHi and O2 affinity, particularly under low O2 conditions...
  20. ncbi request reprint Acid-base regulation in tadpoles of Rana catesbeiana exposed to environmental hypercapnia
    M Busk
    Institute of Biology, Odense University, Denmark
    J Exp Biol 200:2507-12. 1997
    ..The CaCO3 stores may normally be mobilised during the slowly developing internal hypercapnia that occurs during metamorphosis...
  21. ncbi request reprint Interaction between haemoglobin and synthetic peptides of the N-terminal cytoplasmic fragment of trout band 3 (AE1) protein
    F B Jensen
    Institute of Biology, Odense University, DK 5230 Odense M, Denmark
    J Exp Biol 201:2685-90. 1998
    ..In trout Hb IV, the presence of negatively charged Asp at position NA2 of the beta-chains (in contrast to positive or neutral residues in mammalian Hb) may weaken any interaction with the highly negatively charged peptides...
  22. ncbi request reprint Effects of temperature and oxygen availability on circulating catecholamines in the toad Bufo marinus
    J B Andersen
    Institute of Biology, University of Southern Denmark, Main Campus: Odense University, Odense, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 129:473-86. 2001
    ..The oxygen equilibrium curves were linear when transformed to Hill-plots and Hills n (the haemoglobin subunit co-operativity) ranged between 2.24 and 2.75. The in vitro blood O(2) binding properties corresponded well with in vivo data...
  23. ncbi request reprint Nitrite disrupts multiple physiological functions in aquatic animals
    Frank B Jensen
    Institute of Biology, University of Southern Denmark, Campusvej 55, DK 5230 M Odense, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 135:9-24. 2003
    ..Rainbow trout fall into two groups with regard to susceptibility and physiological response. These two groups are not related to sex but show significant different nitrite uptake rates...
  24. ncbi request reprint Vacuolar-type H(+)-ATPase and Na+, K(+)-ATPase expression in gills of Atlantic salmon (Salmo salar) during isolated and combined exposure to hyperoxia and hypercapnia in fresh water
    M Seidelin
    Institute of Biology, University of Southern Denmark-Main Campus, Odense University, Campusvej 55, DK-5230 Odense M, Denmark
    Zoolog Sci 18:1199-205. 2001
    ....
  25. ncbi request reprint NO2- uptake and HCO3- excretion in the intestine of the European flounder (Platichthys flesus)
    M Grosell
    Center of Respiratory Adaptation, Institute of Biology, Odense University, Campusvej 55, DK 5230 Odense M, Denmark
    J Exp Biol 202:2103-10. 1999
    ..An alternative model of HCO3- excretion across the intestinal epithelium is proposed...
  26. doi request reprint Physiological response in the European flounder (Platichthys flesus) to variable salinity and oxygen conditions
    Kim Lundgreen
    Institute of Biology, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark
    J Comp Physiol B 178:909-15. 2008
    ..It is concluded that moderate hypoxia induced an energy saving decrease in branchial Na(+)/K(+)-ATPase activity, which did not compromise extracellular osmoregulation...
  27. ncbi request reprint Nitric oxide availability affects microvascular O2 tensions
    Frank B Jensen
    Acta Physiol (Oxf) 186:169. 2006