Jesper Bratz Birk

Jesper Bratz Birk

Academic staff

ORCID: 0000-0001-9775-4789

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  1. Published

    Human muscle fiber type-specific insulin signaling: Impact of obesity and type 2 diabetes

    Albers, P. H., Pedersen, A. J. T., Birk, Jesper Bratz, Kristensen, D. E., Vind, B. F., Baba, O., Nøhr, J., Højlund, K. & Wojtaszewski, Jørgen F P, 2015, In: Diabetes. 64, 2, p. 485-497 13 p.

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

  2. Published

    Identifying the heterotrimeric complex stoichiometry of AMPK in skeletal muscle by immunoprecipitation

    Birk, Jesper Bratz & Wojtaszewski, Jørgen F P, 2018, AMPK: Methods and Protecols. Neumann, D. & Viollet, B. (eds.). New York: Humana Press, p. 203-213 11 p. (Methods in Molecular Biology; No. 1732).

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

  3. Published

    Predominant alpha2/beta2/gamma3 AMPK activation during exercise in human skeletal muscle

    Birk, Jesper Bratz & Wojtaszewski, Jørgen F P, 2006, In: Journal of Physiology. 577, 3, p. 1021-1032 12 p.

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

  4. Published

    Kinase activity determination of specific AMPK complexes/heterotrimers in the skeletal muscle

    Birk, Jesper Bratz & Wojtaszewski, Jørgen F P, 2018, AMPK: Methods and Protecols. Neumann, D. & Viollet, B. (eds.). New York: Humana Press, p. 215-228 14 p. (Methods in Molecular Biology; No. 1732).

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

  5. Published

    Coingestion of protein and carbohydrate in the early recovery phase, compared with carbohydrate only, improves endurance performance despite similar glycogen degradation and AMPK phosphorylation

    Dahl, M. A., Areta, J. L., Jeppesen, P. B., Birk, Jesper Bratz, Johansen, E. I., Ingemann-Hansen, T., Hansen, M., Skålhegg, B. S., Ivy, J. L., Wojtaszewski, Jørgen F P, Overgaard, K. & Jensen, J., 2020, In: Journal of Applied Physiology. 129, 2, p. 297-310 14 p.

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

  6. Published

    Deep muscle-proteomic analysis of freeze-dried human muscle biopsies reveals fiber type-specific adaptations to exercise training

    Deshmukh, Atul Shahaji, Steenberg, D. E., Hostrup, Morten, Birk, Jesper Bratz, Larsen, Jeppe Kjærgaard, Santos, A., Kjøbsted, Rasmus, Hingst, J. R., Schéele, Camilla Charlotte Nielsen, Murgia, M., Kiens, Bente, Richter, Erik A., Mann, Matthias & Wojtaszewski, Jørgen F P, 2021, In: Nature Communications. 12, 15 p., 304.

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

  7. Published

    AMPKα is essential for acute exercise-induced gene responses but not for exercise training-induced adaptations in mouse skeletal muscle

    Fentz, J., Kjøbsted, Rasmus, Maag Kristensen, C., Hingst, J. R., Birk, Jesper Bratz, Gudiksen, Anders, Foretz, M., Schjerling, Peter, Viollet, B., Pilegaard, Henriette & Wojtaszewski, Jørgen F P, 2015, In: American Journal of Physiology: Endocrinology and Metabolism. 309, 11, p. E900-E914 15 p.

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

  8. Published

    AMPKα is critical for enhancing skeletal muscle fatty acid utilization during in vivo exercise in mice

    Fentz, J., Kjøbsted, Rasmus, Birk, Jesper Bratz, Jordy, A. B., Jeppesen, J. F., Thorsen, K., Schjerling, Peter, Kiens, Bente, Jessen, N., Viollet, B. & Wojtaszewski, Jørgen F P, 2015, In: F A S E B Journal. 29, 5, p. 1725-1738 14 p.

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

  9. Published

    Exercise-induced AMPK activity in skeletal muscle: Role in glucose uptake and insulin sensitivity

    Friedrichsen, M., Mortensen, B., Pehmøller, C., Birk, Jesper Bratz & Wojtaszewski, Jørgen F P, 2013, In: Molecular and Cellular Endocrinology. 366, 2, p. 204-214 11 p.

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

  10. Published

    Differential aetiology and impact of phosphoinositide 3-kinase (PI3K) and Akt signalling in skeletal muscle on in vivo insulin action

    Friedrichsen, M., Poulsen, P., Richter, Erik A., Hansen, B. F., Birk, Jesper Bratz, Ribel-Madsen, R., Stender-Petersen, K., Nilsson, E., Beck-Nielsen, H., Vaag, Allan & Wojtaszewski, Jørgen F P, 2010, In: Diabetologia. 53, 9, p. 1998-2007 10 p.

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

  11. Published

    Akt2 influences glycogen synthase activity in human skeletal muscle through regulation of NH2-terminal (sites 2+2a) phosphorylation

    Friedrichsen, M., Birk, Jesper Bratz, Richter, Erik A., Ribel-Madsen, R., Pehmøller, C., Hansen, B. F., Beck-Nielsen, H., Hirshman, M. F., Goodyear, L. J., Vaag, A., Poulsen, P. & Wojtaszewski, Jørgen F P, 2013, In: American Journal of Physiology: Endocrinology and Metabolism. 304, 6, p. E631-E639 9 p.

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

  12. Published

    Exercise-induced TBC1D1 Ser237 phosphorylation and 14-3-3 protein binding capacity in human skeletal muscle

    Frøsig, C., Pehmøller, C., Birk, Jesper Bratz, Richter, Erik A. & Wojtaszewski, Jørgen F P, 2010, In: Journal of Physiology. 588, 22, p. 4539-4548 10 p.

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

  13. Published

    Reduced malonyl-CoA content in recovery from exercise correlates with improved insulin-stimulated glucose uptake in human skeletal muscle

    Frøsig, C., Roepstorff, C., Brandt, N., Maarbjerg, S. J., Birk, Jesper Bratz, Wojtaszewski, Jørgen F P, Richter, Erik A. & Kiens, Bente, 2009, In: American Journal of Physiology: Endocrinology and Metabolism. 296, 4, p. E787-E795 9 p.

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

  14. Published

    ADAMTS9 regulates skeletal muscle insulin sensitivity through extracellular matrix alterations

    Graae, A-S., Grarup, N., Ribel-Madsen, R., Lystbæk, S. H., Boesgaard, T., Staiger, H., Fritsche, A., Wellner, N., Sulek, K., Kjølby, M. F., Backe, M. B., Chubanava, S., Prats, C., Serup, A. K. L., Birk, J. B., Dubail, J., Gillberg, L., Vienberg, S. G., Nykjær, A., Kiens, B. & 10 others, Wojtaszewski, Jørgen F P, Larsen, Steen, Apte, S. S., Häring, H., Vaag, A., Zethelius, B., Pedersen, Oluf Borbye, Treebak, Jonas Thue, Hansen, Torben & Holst, Birgitte, 2019, In: Diabetes. 68, 3, p. 502-514

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

  15. Published

    Exercise-induced molecular mechanisms promoting glycogen supercompensation in human skeletal muscle

    Hingst, J. R., Bruhn, L., Hansen, M. B., Rosschou, M. F., Birk, Jesper Bratz, Fentz, J., Foretz, M., Viollet, B., Sakamoto, Kei, Færgeman, N. J., Havelund, J. F., Parker, B. L., James, D. E., Kiens, Bente, Richter, Erik A., Jensen, J. & Wojtaszewski, Jørgen F P, 2018, In: Molecular Metabolism. 16, p. 24-34 11 p.

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

  16. Published

    Inducible deletion of skeletal muscle AMPKα 1 reveals that AMPK is required for nucleotide balance but dispensable for muscle glucose uptake and fat oxidation during exercise

    Hingst, J. R., Kjøbsted, R., Birk, J. B., Jørgensen, N. O., Larsen, M. R., Kido, K., Larsen, J. K., Kjeldsen, S. A. S., Fentz, J., Frøsig, C., Holm, S., Fritzen, A. M., Dohlmann, T. L., Larsen, S., Foretz, M., Viollet, B., Schjerling, P., Overby, P., Halling, J. F., Pilegaard, H. & 2 others, Hellsten, Ylva & Wojtaszewski, Jørgen F P, 2020, In: Molecular Metabolism. 40, 17 p., 101028.

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

  17. Published

    Hyperphosphorylation and low protein content of muscle glycogen synthase contribute to insulin resistance in polycystic ovary syndrome: effects of pioglitazone treatment

    Hojlund, K., Glintborg, D., Andersen, N. R., Birk, Jesper Bratz, Treebak, Jonas Thue, Beck-Nielsen, H. & Wojtaszewski, Jørgen F P, 2007, In: Diabetologia.

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

  18. Published

    Lipid induced insulin resistance affects women less than men and is not accompanied by inflammation or impaired proximal insulin signaling

    Høeg, L. D., Sjøberg, K. A., Jeppesen, J., Jensen, Thomas Elbenhardt, Frøsig, C., Birk, Jesper Bratz, Bisiani, B., Hiscock, N., Pilegaard, Henriette, Wojtaszewski, Jørgen F P, Richter, Erik A. & Kiens, Bente, 2011, In: Diabetes. 60, 1, p. 64-73 10 p.

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

  19. Published

    Impaired insulin-stimulated phosphorylation of Akt and AS160 in skeletal muscle of women with polycystic ovary syndrome is reversed by pioglitazone treatment

    Højlund, K., Glintborg, D., Andersen, Nicoline Resen, Birk, Jesper Bratz, Treebak, Jonas Thue, Frøsig, C., Beck-Nielsen, H. & Wojtaszewski, Jørgen F P, 2008, In: Diabetes. 57, 2, p. 357-366 10 p.

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

  20. Published

    Dysregulation of glycogen synthase COOH- and NH2-terminal phosphorylation by insulin in obesity and type 2 diabetes mellitus

    Højlund, K., Birk, Jesper Bratz, Klein, D. K., Levin, K., Rose, A. J., Hansen, B. F., Nielsen, J. N., Beck-Nielsen, H. & Wojtaszewski, Jørgen F P, 2009, In: Journal of Clinical Endocrinology and Metabolism. 94, 11, p. 4547-4556 10 p.

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

  21. Published

    Contraction-induced skeletal muscle FAT/CD36 trafficking and FA uptake is AMPK independent

    Jeppesen, J., Albers, P. H., Rose, A. J., Birk, Jesper Bratz, Schjerling, Peter, Dzamko, N., Steinberg, G. R. & Kiens, Bente, 2011, In: Journal of Lipid Research. 52, 4, p. 699-711 13 p.

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

  22. Published

    Direct small molecule ADaM-site AMPK activators reveal an AMPKγ3-independent mechanism for blood glucose lowering

    Jørgensen, N. O., Kjøbsted, Rasmus, Larsen, Magnus Romme, Birk, Jesper Bratz, Andersen, Nicoline Resen, Albuquerque, B., Schjerling, Peter, Miller, R., Carling, D., Pehmøller, C. K. & Wojtaszewski, Jørgen F P, 2021, In: Molecular Metabolism. 51, 13 p., 101259.

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

  23. Published

    Knockout of the alpha2 but not alpha1 5'-AMP-activated protein kinase isoform abolishes 5-aminoimidazole-4-carboxamide-1-beta-4-ribofuranoside- but not contraction-induced glucose uptake in skeletal muscle

    Jørgensen, S. B., Viollet, B., Andreelli, F., Frøsig, C., Birk, Jesper Bratz, Schjerling, P., Vaulont, S., Richter, Erik A. & Wojtaszewski, Jørgen F P, 2004, In: Journal of Biological Chemistry. 279, 2, p. 1070-1079 10 p.

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

  24. Published

    Effects of alpha-AMPK knockout on exercise-induced gene activation in mouse skeletal muscle

    Jørgensen, S. B., Wojtaszewski, Jørgen F P, Viollet, B., Andreelli, F., Birk, Jesper Bratz, Hellsten, Ylva, Schjerling, Peter, Vaulont, S., Neufer, P. D., Richter, Erik A. & Pilegaard, Henriette, 2005, In: The FASEB Journal. 19, 9, p. 1146-1148 3 p.

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

  25. Published

    The alpha2-5'AMP-activated protein kinase is a site 2 glycogen synthase kinase in skeletal muscle and is responsive to glucose loading

    Jørgensen, S. B., Nielsen, J. N., Birk, Jesper Bratz, Olsen, G. S., Viollet, B., Andreelli, F., Schjerling, Peter, Vaulont, S., Hardie, D. G., Hansen, B. F., Richter, Erik A. & Wojtaszewski, Jørgen F P, 2004, In: Diabetes. 53, 12, p. 3074-3081 8 p.

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

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