Andreas Kjær

Andreas Kjær

Professor

ORCID: 0000-0002-2706-5547

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  1. Published

    Region specific optimization of continuous linear attenuation coefficients based on UTE (RESOLUTE): application to PET/MR brain imaging

    Ladefoged, C. N., Benoit, D., Law, Ian, Holm, S., Kjær, Andreas, Højgaard, Liselotte, Hansen, Adam Espe & Andersen, F. L., 21 Oct 2015, In: Physics in Medicine and Biology. 60, 20, p. 8047-65 19 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    RESOLUTE PET/MRI Attenuation Correction for O-(2-F-fluoroethyl)-L-tyrosine (FET) in Brain Tumor Patients with Metal Implants

    Ladefoged, C. N., Andersen, Flemming Littrup, Kjær, Andreas, Højgaard, Liselotte & Law, Ian, 2017, In: Frontiers in Neuroscience. 11, 13 p., 453.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Lack of effect of prolonged treatment with liraglutide on cardiac remodeling in rats after acute myocardial infarction

    Kyhl, K., Lønborg, Jacob Thomsen, Hartmann, Bolette, Kissow, Hannelouise, Poulsen, Steen Seier, El Ali, Henrik H., Kjær, Andreas, Dela, Flemming, Engstrøm, Thomas & Treiman, M., 2017, In: Peptides. 93, p. 1-12

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Hyperpolarized 13C MRI: Path to Clinical Translation in Oncology

    Kurhanewicz, J., Vigneron, D. B., Ardenkjaer-Larsen, J. H., Bankson, J. A., Brindle, K., Cunningham, C. H., Gallagher, F. A., Keshari, K. R., Kjaer, A., Laustsen, C., Mankoff, D. A., Merritt, M. E., Nelson, S. J., Pauly, J. M., Lee, P., Ronen, S., Tyler, D. J., Rajan, S. S., Spielman, D. M., Wald, L. & 3 others, Zhang, X., Malloy, C. R. & Rizi, R., 2019, In: Neoplasia (New York, N.Y.). 21, 1, p. 1-16

    Research output: Contribution to journal › Review › Research › peer-review

  5. Published

    Molecular Targeted NIR-II Probe for Image-Guided Brain Tumor Surgery

    Kurbegovic, S., Stræde, Karina, Chen, H., Qu, C., Ding, B., Leth, Julie Maja, Drzewiecki, K. T., Kjær, Andreas & Cheng, Z., 2018, In: Bioconjugate Chemistry. 29, 11, p. 3833-3840 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    IRDye800CW labeled uPAR-targeting peptide for fluorescence-guided glioblastoma surgery: Preclinical studies in orthotopic xenografts

    Kurbegovic, Sorel, Stræde, Karina, Sørensen, K. K., Leth, Julie Maja, Willemoe, G. L., Christensen, Anders, Adams, Yvonne, Jensen, Anja Ramstedt, von Buchwald, Christian, Skjøth-rasmussen, J., Ploug, Michael, Jensen, Knud Jørgen & Kjær, Andreas, 2021, In: Theranostics. 11, 15, p. 7159-7174 16 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Reduction in coronary and peripheral vasomotor function in patients with HIV after initiation of antiretroviral therapy: a longitudinal study with positron emission tomography and flow-mediated dilation

    Kristoffersen, U. S., Wiinberg, N., Petersen, C. L., Gerstoft, Jan, Borgwardt, H. G., Kjær, A. L. & Kjær, Andreas, 1 Oct 2010, In: Nuclear Medicine Communications. 31, 10, p. 874-80 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Changes in biomarkers of cardiovascular risk after a switch to abacavir in HIV-1-infected individuals receiving combination antiretroviral therapy

    Kristoffersen, U. S., Kofoed, K., Kronborg, Gitte, Benfield, Thomas, Kjær, Andreas, Lebech, A., Kristoffersen, U. S., Kofoed, K., Kronborg, Gitte, Benfield, T., Kjaer, A. & Lebech, A., 2009, In: HIV Medicine. 10, 10, p. 627-33 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Changes in lung function of HIV-infected patients: a 4.5-year follow-up study

    Kristoffersen, U. S., Lebech, A., Mortensen, Jann, Gerstoft, Jan, Borgwardt, H. G. & Kjær, Andreas, 2012, In: Clinical Physiology and Functional Imaging. 32, 4, p. 288-95 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Radiation exposure to surgical staff during hyperthermic isolated limb perfusion with 99m Technetium labeled red blood cells

    Kristoffersen, U. S., Straalman, K., Schmidt, G., Klyver, H., Mortensen, Jann, Andersen, P. A., Chakera, A. H. & Kjær, Andreas, 2009, In: International Journal of Hyperthermia. 25, 1, p. 86-9 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Radioiodine therapy in hyperthyroid disease: poorer outcome in patients with high 24 hours radioiodine uptake.

    Kristoffersen, U. S., Hesse, B., Rasmussen, A. K. & Kjær, Andreas, 2006, In: Clinical Physiology and Functional Imaging. 26, 3, p. 167-70 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Silent Ischemic Heart Disease and Pericardial Fat Volume in HIV-Infected Patients: A Case-Control Myocardial Perfusion Scintigraphy Study

    Kristoffersen, U. S., Lebech, Anne-Mette, Wiinberg, N., Petersen, C. L., Hasbak, P., Gutte, H., Jensen, G. B., Hag, Anne Mette Fisker, Ripa, Rasmus Sejersten & Kjær, Andreas, 14 Aug 2013, In: PLOS ONE. 8, 8, p. 1- 9 p., e72066.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Right and left cardiac function in HIV-infected patients investigated using radionuclide ventriculography and brain natriuretic peptide: a 5-year follow-up study

    Kristoffersen, U. S., Lebech, A. M., Gerstoft, Jan, Hesse, B., Petersen, C. L., Gutte, H. & Kjær, Andreas, 2008, In: HIV Medicine. 9, 3, p. 180-186 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Reduction in circulating markers of endothelial dysfunction in HIV-infected patients during antiretroviral therapy

    Kristoffersen, U. S., Kofoed, K., Kronborg, Gitte, Giger, A. K., Kjær, Andreas, Lebech, A. M., Kristoffersen, U. S., Kofoed, K., Kronborg, Gitte, Giger, A. K., Kjaer, A. & Lebech, A. M., 2009, In: HIV Medicine. 10, 2, p. 79-87 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Inhibition of Notch signaling alters the phenotype of orthotopic tumors formed from glioblastoma multiforme neurosphere cells but does not hamper intracranial tumor growth regardless of endogene Notch pathway signature

    Kristoffersen, K., Nedergaard, M. K., Villingshøj, M., Borup, R., Broholm, H., Kjær, Andreas, Poulsen, H. S. & Stockhausen, M., Jul 2014, In: Cancer Biology & Therapy. 15, 7, p. 862-877 16 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    PET imaging of tumor-immune status for response prediction and treatment monitoring in syngeneic mouse models

    Kristensen, L. K., Christensen, C., Nielsen, C. H. & Kjær, Andreas, Jul 2019, In: Cancer Research. 79, 13, 2 p., Abstract 1130.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  17. Published

    CD4+ and CD8a+ PET imaging predicts response to novel PD-1 checkpoint inhibitor: studies of Sym021 in syngeneic mouse cancer models

    Kristensen, L. K., Fröhlich, C., Christensen, C., Melander, M. C., Poulsen, T. T., Galler, G. R., Lantto, J., Horak, I. D., Kragh, M., Nielsen, Carsten Haagen & Kjær, Andreas, 2019, In: Theranostics. 9, 26, p. 8221-8238

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Site-specifically labeled 89Zr-DFO-trastuzumab improves immuno-reactivity and tumor uptake for immuno-PET in a subcutaneous HER2-positive xenograft mouse model

    Kristensen, L. K., Christensen, C., Jensen, M. M., Agnew, B. J., Schjöth-Frydendahl, C., Kjær, Andreas & Nielsen, Carsten Haagen, 2019, In: Theranostics. 9, 15, p. 4409-4420

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Monitoring CD8a+ T Cell Responses to Radiotherapy and CTLA-4 Blockade Using [64Cu]NOTA-CD8a PET Imaging

    Kristensen, L. K., Christensen, C., Alfsen, M. Z., Cold, S., Nielsen, Carsten Haagen & Kjær, Andreas, 2020, In: Molecular Imaging and Biology. 22, 4, p. 1021-1030

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    C4.4A gene ablation is compatible with normal epidermal development and causes modest overt phenotypes

    Kriegbaum, M. C., Jacobsen, B., Fuchtbauer, A., Hansen, Gert Helge, Christensen, I. J., Friis, Carsten, Persson, M., Engelholm, Lars Henning, Madsen, A. N., Di Meo, I., Lund, I. K., Holst, Birgitte, Kjær, Andreas, Laerum, O. D., Fuchtbauer, E. & Ploug, Michael, 12 May 2016, In: Scientific Reports. 6, 25833.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Rational targeting of the urokinase receptor (uPAR): development of antagonists and non-invasive imaging probes

    Kriegbaum, M. C., Persson, M., Haldager, L., Alpizar, W. E. A., Jacobsen, B., Gårdsvoll, H., Kjær, Andreas & Ploug, Michael, Nov 2011, In: Current Drug Targets. 12, 12, p. 1711-1728 18 p.

    Research output: Contribution to journal › Review › Research › peer-review

  22. Published

    18F-FET-PET in Primary Hyperparathyroidism: A Pilot Study

    Krakauer, M., Kjær, Andreas & Bennedbæk, F. N., 2016, In: Diagnostics. 6, 3, 4 p., 30.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  23. Published

    Cardiac Function in Patients with Early Cirrhosis during Maximal Beta-Adrenergic Drive: A Dobutamine Stress Study

    Krag, A., Bendtsen, Flemming, Dahl, E. K., Kjær, Andreas, Petersen, C. L. & Møller, Søren, 2014, In: PloS one. 9, 10, p. 1-6 6 p., e109179.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Optical tissue clearing and machine learning can precisely characterize extravasation and blood vessel architecture in brain tumors

    Kostrikov, S., Johnsen, K. B., Braunstein, T. H., Gudbergsson, J. M., Fliedner, F. P., Obara, E. A. A., Hamerlik, P., Hansen, A. E., Kjær, Andreas, Hempel, C. & Andresen, T. L., Jul 2021, In: Communications Biology . 4, 1, 16 p., 815.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    European Neuroendocrine Tumour Society (ENETS) 2023 guidance paper for nonfunctioning pancreatic neuroendocrine tumours

    Kos-Kudła, B., Castaño, J. P., Denecke, T., Grande, E., Kjær, Andreas, Koumarianou, A., de Mestier, L., Partelli, S., Perren, A., Stättner, S., Valle, J. W. & Fazio, N., 2023, In: Journal of Neuroendocrinology. 35, 12, 16 p., e13343.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Cardiovascular Disease in Patients With HIV

    Knudsen, J. A., Kristoffersen, U. S., Kjær, Andreas & Lebech, Anne-Mette, 2012, In: Future Virology. 7, 4, p. 413-423 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Cardiac Microvascular Dysfunction in Women Living With HIV Is Associated With Cytomegalovirus Immunoglobulin G

    Knudsen, A., Thorsteinsson, K., Christensen, T. E., Hasbak, P., Ripa, Rasmus Sejersten, Panum, I., Lebech, Anne-Mette & Kjær, Andreas, 1 Sep 2018, In: Open Forum Infectious Diseases. 5, 9, p. 1-7 7 p., ofy205.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Angiographic Features and Cardiovascular Risk Factors in Human Immunodeficiency Virus-Infected Patients With First-Time Acute Coronary Syndrome

    Knudsen, A., Mathiasen, A. B., Worck, R. H., Kastrup, J., Gerstoft, Jan, Katzenstein, T. L., Kjær, Andreas & Lebech, A., 2013, In: American Journal of Cardiology. 111, 1, p. 63-67

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Plasma plasminogen activator inhibitor-1 predicts myocardial infarction in HIV-1-infected individuals

    Knudsen, A., Katzenstein, T. L., Benfield, Thomas, Jørgensen, Niklas Rye, Kronborg, Gitte, Gerstoft, Jan, Obel, Niels, Kjær, Andreas & Lebech, Anne-Mette, 2014, In: AIDS. 28, 8, p. 1171-1179 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Normal Myocardial Flow Reserve in HIV-Infected Patients on Stable Antiretroviral Therapy: A Cross-Sectional Study Using Rubidium-82 PET/CT

    Knudsen, A., Christensen, T. E., Ghotbi, A. A., Hasbak, P., Lebech, Anne-Mette, Kjær, Andreas & Ripa, Rasmus Sejersten, Oct 2015, In: Medicine (Baltimore). 94, 43, 6 p., e1886.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Low prevalence of peripheral arterial disease in a cross-sectional study of Danish HIV-infected patients

    Knudsen, A., Malmberg, C. A. E., Kjær, Andreas & Lebech, Anne-Mette, 2015, In: Infectious Diseases. 47, 11, p. 776-82 7 p.

    Research output: Contribution to journal › Journal article › Research

  32. Published

    Microbiota-Dependent Marker TMAO is Not Associated With Decreased Myocardial Perfusion in Well-Treated HIV-Infected Patients as Assessed by 82Rubidium PET/CT

    Knudsen, A., Christensen, T. E., Thorsteinsson, K., Ghotbi, A. A., Hasbak, P., Lebech, Anne-Mette, Nielsen, S. D., Hov, J. R., Berge, R., Ripa, Rasmus Sejersten, Kjær, Andreas & Trøseid, M., 1 Aug 2016, In: Journal of acquired immune deficiency syndromes (1999). 72, 4, p. e83-e85

    Research output: Contribution to journal › Letter › Research › peer-review

  33. Published

    Soluble CD163 does not predict first-time myocardial infarction in patients infected with human immunodeficiency virus: a nested case-control study

    Knudsen, A., Møller, H. J., Katzenstein, T. L., Gerstoft, Jan, Obel, Niels, Kronborg, Gitte, Benfield, T., Kjær, Andreas & Lebech, A., 21 May 2013, In: B M C Infectious Diseases. 13, p. 230

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    HIV infection and arterial inflammation assessed by 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET): A prospective cross-sectional study

    Knudsen, A., Hag, Anne Mette Fisker, Loft, A., von Benzon, E., Keller, S. H., Møller, H. J., Lebech, Anne-Mette, Ripa, Rasmus Sejersten & Kjær, Andreas, Apr 2015, In: Journal of Nuclear Cardiology. 22, 2, p. 372-80 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Coronary artery calcium and intima-media thickness are associated with level of cytomegalovirus immunoglobulin G in HIV-infected patients

    Knudsen, A., Kristoffersen, U. S., Panum, I., Hansen, Y. B., Skottrup, P. D., Hasbak, P., Kjær, Andreas & Lebech, Anne-Mette, Jan 2019, In: HIV Medicine. 20, 1, p. 60-62

    Research output: Contribution to journal › Letter › Research › peer-review

  36. Published

    Histamine and prostaglandin interaction in regulation of oxytocin and vasopressin secretion

    Knigge, Ulrich, Kjær, Andreas, Kristoffersen, U., Madsen, K., Miranda, C. L. T., Jørgensen, H. & Warberg, J., 2003, In: Journal of Neuroendocrinology. 15, p. 940-945

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Pancreatic Islet Cell Tumors

    Knigge, Ulrich, Andreassen, Mikkel, Federspiel, B., Hansen, C. P., Kjær, Andreas & Langer, S. W., 2018, Encyclopedia of Endocrine Diseases. Huhtaniemi, I. & Martini, L. (eds.). 2. ed. Elsevier, p. 626-634

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  38. Published

    H3 receptor modulation of neuroendocrine responses to histamine and stress

    Knigge, Ulrich, Kjær, Andreas, Jørgensen, H. & Warberg, J., 1998, The Histamine H3 Receptor. Elsevier, p. 41-58

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  39. Published

    Endoskopisk ultralydskanning af patienter, hos hvem der er mistanke om neuroendokrine tumorer.

    Knigge, Ulrich, Hansen, C. P., Gustafsen, J. & Kjær, Andreas, 2008, In: Ugeskrift for læger. 170, 33, p. 2469; author reply 2471

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    Histaminergic and catecholaminergic interactions in the central regulation of vasopressin and oxytocin secretion

    Knigge, Ulrich, Willems, E. I., Jørgensen, H., Kjær, Andreas & Warberg, J., 1999, In: Endokrinologiya. 140, p. 3713-3719

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Role of hypothalamic histaminergic neurons in mediation of ACTH and beta-endorphin responses to LPS endotoxin in vivo

    Knigge, U., Kjær, Andreas, Jørgensen, H., Garbarg, M., Ross, C., Rouleau, A. & Warberg, J., 1994, In: Neuroendocrinology. 60, p. 243-251

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    Stress-induced release of anterior pituitary hormones: Effect of H3 receptor-mediated inhibition of histaminergic activity or posterior hypothalamic lesion

    Knigge, U., Søe-Jensen, P., Jørgensen, H., Kjær, Andreas, Møller, Morten & Warberg, J., 1999, In: Neuroendocrinology. Vol 69, p. 44-53

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Feasibility and Implication of Routine NGS Analysis in Neuroendocrine Carcinomas

    Knigge, Ulrich, Federspiel, B., Andreassen, Mikkel, Kjær, Andreas & Langer, Seppo W., 2017, In: Neuroendocrinology. 105, S1, p. 26-26 1 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  44. Published

    Effect of histamine on gene expression and release of pro-opiomelanocortin-derived peptides from the anterior and intermediate pituitary lobes in conscious male rats.

    Knigge, U., Kjær, Andreas, Larsen, P. J., Jørgensen, H., Bach, F. W., Møller, M. & Warberg, J., 1995, In: Neuroendocrinology. 62, p. 319-325

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Dehydration-induced release of vasopressin involves activation of hypothalamic histaminergic neurons

    Kjær, Andreas, Knigge, U. & Warberg, J., 1994, In: Endokrinologiya. 135, p. 675-681

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Heart failure and neuroendocrine activation: Diagnostic, prognostic and therapeutic perspectives

    Kjær, Andreas & Hesse, B., 2001, In: Clinical Physiology. 21, 6, p. 661-672 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Involvement of vasopressin V*U1- and V*U2-receptors in histamine- and stress-induces secretion of ACTH and *GB-endorphin

    Kjær, Andreas, Knigge, U., Vilhardt, H. & Warberg, J., 1993, In: Neuroendocrinology. 57, p. 503-509

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    Selective inhibition of magnocellular vasopressin neurons by hypoosmolality: Effect on histamine- and stress-induced secretion of adrenocorticotropin and prolactin

    Kjær, Andreas, Knigge, Ulrich, Jørgensen, H. & Warberg, J., 1998, In: Neuroendocrinology. 67, p. 330-335

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Histaminergic activation of the hypothalamic-pituitary-adrenal axis

    Kjær, Andreas, Larsen, P. J., Knigge, U. & Warberg, J., 1994, In: Endokrinologiya. 135, p. 1171-1177

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Clinical PET/MR Imaging in Oncology: Future Perspectives

    Kjær, Andreas & Torigian, D. A., 1 Oct 2016, In: PET Clinics. 11, 4, p. 489-493

    Research output: Contribution to journal › Journal article › Research › peer-review

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