Image: Profile picture of Theis Tønnessen

Theis Tønnessen

Group Leader, Professor & Senior Consultant

Tønnessen group

Email: theis.tonnessen@medisin.uio.no
Phone: +47 938 24 999

Senior consultant cardiac surgery

Awards

– Ole Storsteins pris 2009
– Viking Olov Björk Scholarship 2003

Research area

  • Diastolic dysfunction

Latest publications

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Ruud M, Frisk M, Melleby AO, Norseng PA, Mohamed BA, Li J, Aronsen JM, Setterberg IE, Jakubiczka J, van Hout I, Coffey S, Shen X, Nygård S, Lunde IG, Tønnessen T, Jones PP, Sjaastad I, Gullestad L, Toischer K, Dahl CP, Christensen G, Louch WE (2024)
Regulation of cardiomyocyte t-tubule structure by preload and afterload: Roles in cardiac compensation and decompensation
J Physiol, 602 (18), 4487-4510
PubMed 38686538 DOI 10.1113/JP284566
Vistnes M, Erusappan PM, Sasi A, Nordén ES, Bergo KK, Romaine A, Lunde IG, Zhang L, Olsen MB, Øgaard J, Carlson CR, Wang CH, Riise J, Dahl CP, Fiane AE, Hauge-Iversen IM, Espe E, Melleby AO, Tønnessen T, Aronsen JM, Sjaastad I, Christensen G (2023)
Inhibition of the extracellular enzyme A disintegrin and metalloprotease with thrombospondin motif 4 prevents cardiac fibrosis and dysfunction
Cardiovasc Res, 119 (10), 1915-1927
PubMed 37216909 DOI 10.1093/cvr/cvad078
Strand ME, Vanhaverbeke M, Henkens MTHM, Sikking MA, Rypdal KB, Braathen B, Almaas VM, Tønnessen T, Christensen G, Heymans S, Lunde IG (2023)
Inflammation and Syndecan-4 Shedding from Cardiac Cells in Ischemic and Non-Ischemic Heart Disease
Biomedicines, 11 (4)
PubMed 37189684 DOI 10.3390/biomedicines11041066
Rypdal KB, Olav Melleby A, Robinson EL, Li J, Palmero S, Seifert DE, Martin D, Clark C, López B, Andreassen K, Dahl CP, Sjaastad I, Tønnessen T, Stokke MK, Louch WE, González A, Heymans S, Christensen G, Apte SS, Lunde IG (2022)
ADAMTSL3 knock-out mice develop cardiac dysfunction and dilatation with increased TGFβ signalling after pressure overload
Commun Biol, 5 (1), 1392
PubMed 36539599 DOI 10.1038/s42003-022-04361-1
Rixon C, Andreassen K, Shen X, Erusappan PM, Almaas VM, Palmero S, Dahl CP, Ueland T, Sjaastad I, Louch WE, Stokke MK, Tønnessen T, Christensen G, Lunde IG (2022)
Lumican accumulates with fibrillar collagen in fibrosis in hypertrophic cardiomyopathy
ESC Heart Fail, 10 (2), 858-871
PubMed 36444917 DOI 10.1002/ehf2.14234
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