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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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
PubMed 36444917 DOI 10.1002/ehf2.14234
Rypdal KB, Erusappan PM, Melleby AO, Seifert DE, Palmero S, Strand ME, Tønnessen T, Dahl CP, Almaas V, Hubmacher D, Apte SS, Christensen G, Lunde IG (2021)
The extracellular matrix glycoprotein ADAMTSL2 is increased in heart failure and inhibits TGFβ signalling in cardiac fibroblasts
Sci Rep, 11 (1), 19757
PubMed 34611183 DOI 10.1038/s41598-021-99032-2
Frisk M, Le C, Shen X, Røe ÅT, Hou Y, Manfra O, Silva GJJ, van Hout I, Norden ES, Aronsen JM, Laasmaa M, Espe EKS, Zouein FA, Lambert RR, Dahl CP, Sjaastad I, Lunde IG, Coffey S, Cataliotti A, Gullestad L, Tønnessen T, Jones PP, Altara R, Louch WE (2021)
Etiology-Dependent Impairment of Diastolic Cardiomyocyte Calcium Homeostasis in Heart Failure With Preserved Ejection Fraction
J Am Coll Cardiol, 77 (4), 405-419
PubMed 33509397 DOI 10.1016/j.jacc.2020.11.044
Herum KM, Romaine A, Wang A, Melleby AO, Strand ME, Pacheco J, Braathen B, Dunér P, Tønnessen T, Lunde IG, Sjaastad I, Brakebusch C, McCulloch AD, Gomez MF, Carlson CR, Christensen G (2020)
Syndecan-4 Protects the Heart From the Profibrotic Effects of Thrombin-Cleaved Osteopontin
J Am Heart Assoc, 9 (3), e013518
PubMed 32000579 DOI 10.1161/JAHA.119.013518
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