Oana Ciofu

Oana Ciofu

Professor

Member of:


    1. 2003
    2. Published

      Pseudomonas aeruginosa chromosomal beta-lactamase in patients with cystic fibrosis and chronic lung infection. Mechanism of antibiotic resistance and target of the humoral immune response.

      Ciofu, Oana, 2003, In: APMIS : Acta pathologica, microbiologica et immunologica Scandinavica. Supplementum. 116, p. 1-47 46 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    3. 2002
    4. Published

      Antibodies against beta-lactamase can improve ceftazidime treatment of lung infection with beta-lactam-resistant Pseudomonas aeruginosa in a rat model of chronic lung infection.

      Ciofu, Oana, Bagge, N. & Høiby, Niels, 2002, In: Acta Pathologica Microbiologica et Immunologica Scandinavica. 110, 12, p. 881-91 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    5. Published

      Constitutive high expression of chromosomal beta-lactamase in Pseudomonas aeruginosa caused by a new insertion sequence (IS1669) located in ampD.

      Bagge, N., Ciofu, Oana, Hentzer, M., Campbell, J. I. A., Givskov, Michael & Høiby, Niels, 2002, In: Antimicrobial Agents and Chemotherapy. 46, 11, p. 3406-11 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    6. 2001
    7. Published

      Characterization of paired mucoid/non-mucoid Pseudomonas aeruginosa isolates from Danish cystic fibrosis patients: antibiotic resistance, beta-lactamase activity and RiboPrinting.

      Ciofu, Oana, Fussing, V., Bagge, N., Koch, C. & Høiby, Niels, 2001, In: Journal of Antimicrobial Chemotherapy. 48, 3, p. 391-6 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    8. Published

      Pseudomonas aeruginosa and the in vitro and in vivo biofilm mode of growth.

      Høiby, Niels, Johansen, Helle Krogh, Moser, C., Song, Z., Ciofu, Oana & Kharazmi, A., 2001, In: Microbes and Infection. 3, 1, p. 23-35 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    9. Published

      Typing of Pseudomonas aeruginosa strains in Norwegian cystic fibrosis patients.

      Fluge, G., Ojeniyi, B., Høiby, Niels, Digranes, A., Ciofu, Oana, Hunstad, E., Haanaes, O. C. & Storrøsten, O. T., 2001, In: Clinical Microbiology and Infection. 7, 5, p. 238-43 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. 2000
    11. Published

      Rapid development in vitro and in vivo of resistance to ceftazidime in biofilm-growing Pseudomonas aeruginosa due to chromosomal beta-lactamase

      Bagge, N., Ciofu, Oana, Skovgaard, Lene Theil & Høiby, Niels, Sep 2000, In: Acta Pathologica Microbiologica et Immunologica Scandinavica. 108, 9, p. 589-600 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    12. Published

      Chromosomal beta-lactamase is packaged into membrane vesicles and secreted from Pseudomonas aeruginosa.

      Ciofu, Oana, Beveridge, T. J., Kadurugamuwa, J., Walther-Rasmussen, J. & Høiby, Niels, 2000, In: Journal of Antimicrobial Chemotherapy. 45, 1, p. 9-13 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    13. Published

      Molecular mechanisms of fluoroquinolone resistance in Pseudomonas aeruginosa isolates from cystic fibrosis patients.

      Jalal, S., Ciofu, Oana, Høiby, Niels, Gotoh, N. & Wretlind, B., 2000, In: Antimicrobial Agents and Chemotherapy. 44, 3, p. 710-2 2 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    14. 1999
    15. Published

      Avidity of anti-P aeruginosa antibodies during chronic infection in patients with cystic fibrosis.

      Ciofu, Oana, Petersen, T. D., Jensen, P. & Høiby, Niels, 1999, In: Thorax. 54, 2, p. 141-4 3 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    16. Published

      Mucoid conversion of Pseudomonas aeruginosa by hydrogen peroxide: a mechanism for virulence activation in the cystic fibrosis lung.

      Mathee, K., Ciofu, Oana, Sternberg, C., Lindum, P. W., Campbell, J. I., Jensen, P., Johnsen, A. H., Givskov, Michael, Ohman, D. E., Molin, S., Høiby, Niels & Kharazmi, A., 1999, In: Microbiology. 145 ( Pt 6), p. 1349-57 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    17. 1997
    18. Published

      Pseudomonas aeruginosa isolates from patients with cystic fibrosis have different beta-lactamase expression phenotypes but are homogeneous in the ampC-ampR genetic region.

      Campbell, J. I., Ciofu, Oana & Høiby, Niels, 1997, In: Antimicrobial Agents and Chemotherapy. 41, 6, p. 1380-4 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    19. Published

      The clonal antibody response to Pseudomonas aeruginosa heat shock protein is highly diverse in cystic fibrosis patients.

      Ulanova, M., Petersen, T. D., Ciofu, Oana, Jensen, P., Hahn-Zoric, M., Hanson, L. A. & Høiby, Niels, 1997, In: Acta Pathologica Microbiologica et Immunologica Scandinavica. 105, 6, p. 449-56 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    20. Published

      The influence of allotypes on the IgG subclass response to chromosomal beta-lactamase of Pseudomonas aeruginosa in cystic fibrosis patients.

      Ciofu, Oana, Pressler, T., Pandey, J. P. & Høiby, Niels, 1997, In: Clinical and Experimental Immunology. 108, 1, p. 88-94 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    21. 1996
    22. Published

      Meropenem in cystic fibrosis patients infected with resistant Pseudomonas aeruginosa or Burkholderia cepacia and with hypersensitivity to beta-lactam antibiotics.

      Ciofu, Oana, Jensen, T., Pressler, T., Johansen, Helle Krogh, Bender Koch, Christian & Høiby, Niels, 1996, In: Clinical Microbiology and Infection. 2, 2, p. 91-98 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    23. Published

      Quantitative analysis of the IgG and IgG subclass immune responses to chromosomal Pseudomonas aeruginosa beta-lactamase in serum from patients with cystic fibrosis by western blotting and laser scanning densitometry.

      Petersen, T. D., Ciofu, Oana, Pressler, T., Giwercman, B., Pedersen, S. S. & Høiby, Niels, 1996, In: Thorax. 51, 7, p. 733-8 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    24. Published

      Use of carbapenems and other antibiotics for pulmonary infections in patients with cystic fibrosis.

      Høiby, Niels, Ciofu, Oana, Jensen, T., Pressler, T., Johansen, Helle Krogh & Koch, C., 1996, In: Pediatric Infectious Disease Journal. 15, 8, p. 738-43 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    25. 1995
    26. Published

      Antibodies against Pseudomonas aeruginosa chromosomal beta-lactamase inpatients with cystic fibrosis are markers of the development of resistance of P. aeruginosa to beta-lactams.

      Ciofu, Oana, Giwercman, B., Walter-Rasmussen, J., Pressler, T., Pedersen, S. S. & Høiby, Niels, 1995, In: Journal of Antimicrobial Chemotherapy. 35, 2, p. 295-304 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    27. 1994
    28. Published

      Antibodies against chromosomal beta-lactamase.

      Giwercman, B., Rasmussen, J. W., Ciofu, Oana, Clemmentsen, I., Schumacher, H. & Høiby, Niels, 1994, In: Antimicrobial Agents and Chemotherapy. 38, 10, p. 2306-10 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    29. Published

      Development of antibiotic resistance in Pseudomonas aeruginosa during two decades of antipseudomonal treatment at the Danish CF Center.

      Ciofu, Oana, Giwercman, B., Pedersen, S. S. & Høiby, Niels, 1994, In: Acta Pathologica Microbiologica et Immunologica Scandinavica. 102, 9, p. 674-80 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

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