Jesper Bratz Birk

Jesper Bratz Birk

Academic staff


  1. 2024
  2. Published

    Energy sensor AMPKγ does not exist in isolation from AMPKα or interact with PPP6C in muscle and liver from humans and mice

    Kjøbsted, Rasmus, Birk, Jesper Bratz, Eskesen, N. O. & Wojtaszewski, Jørgen F P, 2024, In: Molecular Cell. 84, 9, p. 1627-1628

    Research output: Contribution to journalLetterResearchpeer-review

  3. 2023
  4. Published

    AMPKγ3 Controls Muscle Glucose Uptake in Recovery From Exercise to Recapture Energy Stores

    Kido, K., Eskesen, N. O., Henriksen, Nicolai Stevns, Onslev, Johan Dejgaard, Kristensen, Jonas Møller, Larsen, Magnus Romme, Hingst, J. R., Knudsen, Jonas Roland, Birk, Jesper Bratz, Andersen, Nicoline Resen, Jensen, Thomas Elbenhardt, Pehmoller, C., Wojtaszewski, Jørgen F P & Kjøbsted, Rasmus, 2023, In: Diabetes. 72, 10, p. 1397-1408 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published
  6. Published

    Greater phosphorylation of AMPK and multiple AMPK substrates in the skeletal muscle of 24-month-old calorie restricted compared to ad libitum fed male rats

    Zheng, A., Kwak, S. E., Birk, Jesper Bratz, Arias, E. B., Thorley, D., Wojtaszewski, Jørgen F P & Cartee, G. D., 2023, In: Journals of Gerontology. Series A: Biological Sciences & Medical Sciences. 78, 2, p. 177-185 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 2022
  8. Published

    Metformin improves glycemia independently of skeletal muscle AMPK via enhanced intestinal glucose clearance

    Kjøbsted, Rasmus, Kristensen, Jonas Møller, Birk, Jesper Bratz, Jørgensen, N. O., Kido, K., Andersen, Nicoline Resen, Larsen, J. K., Foretz, M., Viollet, B., Nielsen, F., Brøsen, K., Jessen, N., Hellsten, Ylva, Højlund, K. & Wojtaszewski, Jørgen F P, 24 May 2022, bioRxiv, p. 1-33, 33 p.

    Research output: Working paperPreprintResearch

  9. Published

    Illumination of the endogenous insulin-regulated TBC1D4 interactome in human skeletal muscle

    Larsen, Jeppe Kjærgaard, Larsen, Magnus Romme, Birk, Jesper Bratz, Steenberg, D. E., Hingst, J. R., Højlund, K., Chadt, A., Al-Hasani, H., Deshmukh, Atul Shahaji, Wojtaszewski, Jørgen F P & Kjøbsted, Rasmus, 2022, In: Diabetes. 71, 5, p. 906-920

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Skeletal muscle adaptations to exercise are not influenced by metformin treatment in humans: secondary analyses of 2 randomised, clinical trials

    Pilmark, N. S., Oberholzer, L., Halling, Jens Frey, Kristensen, Jonas Møller, Bønding, C. P., Elkjær, I., Lyngbæk, M., Elster, G., Siebenmann, C., Holm, N. F., Birk, Jesper Bratz, Larsen, E. L., Meinild-Lundby, A., Wojtaszewski, Jørgen F P, Pilegaard, Henriette, Poulsen, H., Pedersen, Bente Klarlund, Hansen, K. B. & Karstoft, Kristian, 2022, In: Applied Physiology, Nutrition and Metabolism. 47, 3, p. 309-320 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. 2021
  12. Published
  13. 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 journalJournal articleResearchpeer-review

  14. Published

    Measurement of insulin- and contraction-stimulated glucose uptake in isolated and incubated mature skeletal muscle from mice

    Kjøbsted, Rasmus, Kido, K., Larsen, Jeppe Kjærgaard, Jørgensen, N. O., Birk, Jesper Bratz, Hellsten, Ylva & Wojtaszewski, Jørgen F P, 2021, In: Journal of Visualized Experiments. 171, 22 p., e61398.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    AXIN1 knockout does not alter AMPK/mTORC1 regulation and glucose metabolism in mouse skeletal muscle

    Li, J., Knudsen, Jonas Roland, Henriquez-Olguín, Carlos, Li, Z., Birk, Jesper Bratz, Persson, Kaspar Wredstrøm, Hellsten, Ylva, Offergeld, A., Jarassier, W., Grand, F. L., Schjerling, P., Wojtaszewski, Jørgen F P & Jensen, Thomas Elbenhardt, 2021, In: Journal of Physiology. 599, 12, p. 3081-3100 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. 2020
  17. 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 journalJournal articleResearchpeer-review

  18. 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 journalJournal articleResearchpeer-review

  19. Published

    The insulin-sensitizing effect of a single exercise bout is similar in type I and type II human muscle fibres

    Larsen, Magnus Romme, Steenberg, D. E., Birk, Jesper Bratz, Sjøberg, K. A., Kiens, Bente, Richter, Erik A. & Wojtaszewski, Jørgen F P, 2020, In: Journal of Physiology. 598, 24, p. 5687-5699 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    A single bout of one-legged exercise to local exhaustion decreases insulin action in non-exercised muscle leading to decreased whole-body insulin action

    Steenberg, D. E., Hingst, J. R., Birk, Jesper Bratz, Thorup, A., Kristensen, Jonas Møller, Sjøberg, K. A., Kiens, Bente, Richter, Erik A. & Wojtaszewski, Jørgen F P, 2020, In: Diabetes. 69, 4, p. 578-590 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. 2019
  22. 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 journalJournal articleResearchpeer-review

  23. Published

    AMPK and TBC1D1 regulate muscle glucose uptake after, but not during, exercise and contraction

    Kjøbsted, Rasmus, Roll, J. L. W., Jørgensen, N. O., Birk, Jesper Bratz, Foretz, M., Viollet, B., Chadt, A., Al-Hasani, H. & Wojtaszewski, Jørgen F P, 2019, In: Diabetes. 68, 7, p. 1427-1440 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Metformin does not compromise energy status in human skeletal muscle at rest or during acute exercise: A randomised, crossover trial

    Kristensen, Jonas Møller, Lillelund, C., Kjøbsted, Rasmus, Birk, Jesper Bratz, Andersen, Nicoline Resen, Nybo, Lars, Mellberg, K., Balendran, A., Richter, Erik A. & Wojtaszewski, Jørgen F P, 2019, In: Physiological Reports. 7, 23, 17 p., e14307.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Exercise training reduces the insulin-sensitizing effect of acute exercise in human skeletal muscle

    Steenberg, D. E., Jørgensen, N. B., Birk, Jesper Bratz, Sjøberg, K. A., Kiens, Bente, Richter, Erik A. & Wojtaszewski, Jørgen F P, 2019, In: Journal of Physiology. 597, 1, p. 89-103 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. 2018
  27. 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 proceedingBook chapterResearchpeer-review

  28. 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 proceedingBook chapterResearchpeer-review

  29. 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 journalJournal articleResearchpeer-review

  30. Published

    Glucose metabolism and metabolic flexibility in cultured skeletal muscle cells is related to exercise status in young male subjects

    Lund, J., S Tangen, D., Wiig, H., Stadheim, H. K., Helle, S. A., Birk, Jesper Bratz, Ingemann-Hansen, T., Rustan, A. C., Thoresen, G. H., Wojtaszewski, Jørgen F P, T Kase, E. & Jensen, J., 2018, In: Archives of Physiology and Biochemistry. 124, 2, p. 119-130 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. 2017
  32. Published

    Enhanced muscle insulin sensitivity after contraction/exercise is mediated by AMPK

    Kjøbsted, Rasmus, Munk-Hansen, N., Birk, Jesper Bratz, Foretz, M., Viollet, B., Björnholm, M., Zierath, Juleen R, Treebak, Jonas Thue & Wojtaszewski, Jørgen F P, 2017, In: Diabetes. 66, 3, p. 598-612 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. 2016
  34. Published

    Intact regulation of the AMPK signaling network in response to exercise and insulin in skeletal muscle of male patients with type 2 diabetes: Illumination of AMPK activation in recovery from exercise

    Kjøbsted, Rasmus, Pedersen, A. J. T., Hingst, J. R., Sabaratnam, R., Birk, Jesper Bratz, Kristensen, Jonas Møller, Højlund, K. & Wojtaszewski, Jørgen F P, 2016, In: Diabetes. 65, 5, p. 1219-1230 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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