Personal profile
Short presentation
Research Focus
Using a combination of electrophysiology, synthetic amino acids, protein engineering and spectroscopic approaches, we focus on the function and pharmacology of a therapeutically relevant class of membrane proteins called ion channels. For further details see www.theplesslab.com
Selected Publications:
Heusser, S.A & Borg, C.B. (...) Pless, S.A.; “Conformational decoupling in acid-sensing ion channels uncovers mechanism and stoichiometry of PcTx1-mediated inhibition”; eLife, 2022
Kschonsak, M, Chua, H.C, (...) Pless, S.A., Payandeh, J.; “Structural architecture of the human NALCN channelosome”;
Khoo, K.K. & Gallenao, I. (...) Pless, S.A.; “Chemical modification of proteins by insertion of synthetic peptides using tandem protein trans-splicing”;
Chua, H.C. (...) Pless, S.A.; “The NALCN leak channel complex is modulated by voltage and extracellular calcium”; Science Advances, 2020
Borg, C.B., Braun, N. (...) Pless, S.A.; “Mechanism and site of action of big dynorphin on ASIC1a”; PNAS, 2020
Wulf, M. & Pless, S.A.; "High-sensitivity fluorometry to resolve ion channel conformational dynamics"; Cell Reports, 2018
Selected Grants and Prizes
2023-2027 Lundbeck Foundation Collaborative Project Grant
2020 Paul F Cranefield Award (Society of General Physiologists)
2019-2023 Lundbeck Foundation Ascending Investigator Grant
2018-2021 DFF Sapere Aude Starting Grant
2017-2020 Carlsberg Foundation Distinguished Assoc. Prof. Fellowship
2013-2018 Lundbeck Foundation Fellowship
2011-2013 Michael Smith Foundation Postdoctoral Research Fellowship
2011-2013 Banting Postdoctoral Research Fellowship
2009-2011 Heart & Stroke Foundation Postdoctoral Research Fellowship
2005-2008 University of Queensland Int. Postgraduate Scholarship
2005-2008 University of Queensland Ernest Singer Scholarship
CV
Academic Positions
2020-present Professor, University of Copenhagen, Denmark
2014-2020 Associate Professor, University of Copenhagen, Denmark
Education
2008-2013 Postdoc, University of British Columbia, Vancouver, Canada
2005-2008 PhD, University of Queensland, Brisbane, Australia
1998-2004 Graduate degree (diploma), University of Hamburg, Germany
Keywords
- Former LIFE faculty
- Ion Channels
- Pharmacology
- Electrophysiology
- Biophysics
- Chemical Biology
- Non-canonical amino acids
- Protein engineering
- Neurobiology
- Channelopathies
Collaborations and top research areas from the last five years
Research output
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Functional regulation of the NALCN sodium leak channel complex by G proteins
Harms, H., Jacobsen, N., Ploug, A. S. & Pless, S. A., 2026, In: Biophysical Journal. 125, 4 Suppl. 1, p. 18a-18a 1 p., 89-Plat.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
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Targeting hASIC1a in stroke with deep learning-generated miniproteins
Sormann, J., Fjorbak, C. L., Vicino, M. F., Usher, S., Lang, B., Epitropaki, K., Hink, F., Friis, S., Rogers, J., Autzen, H., Cai, C. & Pless, S. A., 2026, In: Biophysical Journal. 125, 4, p. 199a-199a 1 p., 1121-Pos.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
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BPS2025-Unravelling the mechanisms of ion selectivity in sodium and sodium leak channels
Janaszkiewicz, A., Flood, E., Boiteux, C., Chua, H. C., Pless, S. A. & Allen, T. W., 2025, In: Biophysical Journal. 124, 3, Suppl. 1, 2 p., 122-Plat.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
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Channel-transporter crosstalk: Regulation of pH-sensing ion channel by transporter family
Poulsen, M. H., Ritter, N., Maurya, S. R., Xue, F., Usher, S. G., Heusser, S. A., Kickinger, S., Wellendorph, P., Lundby, A. & Pless, S. A., 2025, In: Biophysical Journal. 124, 3, Suppl. 1, 2 p., 6-Subg.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
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Determining the impact of phosphorylation on Nav1.5 intracellular protein-protein interactions by tandem protein trans-splicing
Peverini, L. & Pless, S. A., 2025, In: Biophysical Journal. 124, 3, Suppl. 1, 2 p.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
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Diffusing protein binders to plug the sodium leak
Usher, S., Hink, F., Sormann, J., Rogers, J. & Pless, S. A., 2025, In: Biophysical Journal. 124, 3, Suppl. 1, p. 295A-296A 4 p., 1408-Pos.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
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Leveraging deep learning tools to design hASIC1a miniprotein modulators for stroke treatment
Sormann, J., Usher, S., Hink, F., Rogers, J. & Pless., S. A., 2025, In: Biophysical Journal. 124, 3, Suppl. 1, 2 p., 34-Plat.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
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Stac2 regulates the function of the NALCN channelosome
Tu, P. L., Beyer, E. K., Usher, S. G., Rufenach-Barber, B., Hsu, A. L., Jayaraman, S., Van Petegem, F., Ben-Johny, M., Pless, S. & Chua, H. C., 2025, In: Biophysical Journal. 124, 3, Suppl. 1, p. 27A-27A 125-Plat.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review