Browsing NTNU Open by Author "Garred, Peter"
Now showing items 1-16 of 16
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Acute heart failure following myocardial infarction: complement activation correlates with the severity of heart failure in patients developing cardiogenic shock
Orrem, Hilde Lang; Nilsson, Per; Pischke, Søren Erik; Grindheim, Guro; Garred, Peter; Seljeflot, Ingebjørg; Husebye, Trygve Guttorm; Aukrust, Pål; Yndestad, Arne; Andersen, Geir Øystein; Barratt-Due, Andreas; Mollnes, Tom Eirik (Journal article; Peer reviewed, 2018)Aims Heart failure (HF) is an impending complication to myocardial infarction. We hypothesized that the degree of complement activation reflects severity of HF following acute myocardial infarction. Methods and ... -
Alpha-cyclodextrin inhibits cholesterol crystal-induced complement-mediated inflammation: A potential new compound for treatment of atherosclerosis.
Pilely, Katrine; Bakke, Siril Skaret; Palarasah, Yaseelan; Skjoedt, Mikkel-Ole; Bartels, Emil D.; Espevik, Terje; Garred, Peter (Peer reviewed; Journal article, 2019)Background and aims Cholesterol crystal (CC)-induced inflammation is a critical step in the development of atherosclerosis. CCs activate the complement system and induce an inflammatory response resulting in phagocytosis ... -
Cholesterol crystals activate the lectin complement pathway via ficolin-2 and mannose-binding lectin: Implications for the progression of atherosclerosis
Pilely, Katrine; Rosbjerg, Anne; Genster, Ninette; Gál, Peter; Pál, Gábor; Halvorsen, Bente; Holm, Sverre; Aukrust, Pål; Bakke, Siril Skaret; Sporsheim, Bjørnar; Nervik, Ingunn; Niyonzima, Nathalie; Bartels, Emil D.; Stahl, Gregory L.; Mollnes, Tom Eirik; Espevik, Terje; Garred, Peter (Journal article, 2016)Cholesterol crystals (CC) play an essential role in the formation of atherosclerotic plaques. CC activate the classical and the alternative complement pathways, but the role of the lectin pathway is unknown. We hypothesized ... -
Complement activation by cholesterol crystals triggers a subsequent cytokine response
Niyonzima, Nathalie; Halvorsen, Bente; Sporsheim, Bjørnar; Garred, Peter; Aukrust, Pål; Mollnes, Tom Eirik; Espevik, Terje (Journal article; Peer reviewed, 2017)In the host a diverse collection of endogenous danger signals is constantly generated consisting of waste material as protein aggregates or crystalline materials that are recognized and handled by soluble pattern recognition ... -
Cyclodextrin Reduces Cholesterol Crystal-Induced Inflammation by Modulating Complement Activation
Bakke, Siril Skaret; Aune, Marie Hjelmseth; Niyonzima, Nathalie; Pilely, Katrine; Ryan, Liv; Skjelland, Mona; Garred, Peter; Aukrust, Pål; Halvorsen, Bente; Latz, Eicke; Damås, Jan Kristian; Mollnes, Tom Eirik; Espevik, Terje (Journal article, 2017)Cholesterol crystals (CC) are abundant in atherosclerotic plaques and promote inflammatory responses via the complement system and inflammasome activation. Cyclic oligosaccharide 2-hydroxypropyl-β-cyclodextrin (BCD) is a ... -
Cyclodextrin Reduces Cholesterol Crystal-Induced Inflammation by Modulating Complement Activation
Bakke, Siril Skaret; Aune, Marie Hjelmseth; Niyonzima, Nathalie; Pilely, Katrine; Ryan, Liv; Skjelland, Mona; Garred, Peter; Aukrust, Pål; Halvorsen, Bente; Latz, Eicke; Damås, Jan Kristian; Mollnes, Tom Eirik; Espevik, Terje (Journal article; Peer reviewed, 2017)Cholesterol crystals (CC) are abundant in atherosclerotic plaques and promote inflammatory responses via the complement system and inflammasome activation. Cyclic oligosaccharide 2-hydroxypropyl-β-cyclodextrin (BCD) is a ... -
Ficolins do not alter host immune responses to lipopolysaccharide-induced inflammation in vivo
Genster, Ninette; Østrup, Olga; Schjalm, Camilla; Mollnes, Tom Eirik; Cowland, Jack B.; Garred, Peter (Journal article; Peer reviewed, 2017)Ficolins are a family of pattern recognition molecules that are capable of activating the lectin pathway of complement. A limited number of reports have demonstrated a protective role of ficolins in animal models of ... -
High Levels of Complement Activating Enzyme MASP-2 Are Associated With the Risk of Future Incident Venous Thromboembolism
Damoah, Christabel Esi; Snir, Omri; Hindberg, Kristian Dalsbø; Garred, Peter; Ludviksen, Judith K; Brækkan, Sigrid Kufaas; Morelli, Vania Maris; Mollnes, Tom Eirik; Hansen, John Bjarne (Peer reviewed; Journal article, 2022)Background: Experimental studies have shown that the complement activating enzyme MASP-2 (mannose-binding lectin associated serine protease 2) exhibits a thrombin-like activity and that inhibition of MASP-2 protects ... -
Low levels of immunoglobulins and mannose-binding lectin are not associated with etiology, severity, or outcome in community-acquired pneumonia
Siljan, William Ward; Holter, Jan Cato; Nymo, Ståle Haugset; Husebye, Einar; Ueland, Thor; Skattum, Lillemor; Bosnes, Vidar; Garred, Peter; Frøland, Stig Sophus; Mollnes, Tom Eirik; Aukrust, Pål; Heggelund, Lars (Journal article; Peer reviewed, 2018)Background Disease severity and outcome in community-acquired pneumonia (CAP) depend on the host and on the challenge of the causal microorganism(s). We measured levels of immunoglobulins (Igs) and complement in 257 ... -
Mannose-Binding Lectin Deficiency Is Associated with Myocardial Infarction: The HUNT2 Study in Norway
Vengen, Inga Thorsen; Madsen, Hans O; Garred, Peter; Platou, Carl Geoffrey Parrinder; Vatten, Lars Johan; Videm, Vibeke (Journal article; Peer reviewed, 2012)Objectives: Mannose-binding lectin (MBL) and ficolins activate the complement cascade, which is involved in atherogenesis. Based on a pilot study, we hypothesized that functional polymorphisms in the MBL gene (MBL2) ... -
Pentraxin 3, ficolin-2 and lectin pathway associated serine protease MASP-3 as early predictors of myocardial infarction - the HUNT2 study
Vengen, Inga Thorsen; Enger, Tone Bull; Garred, Peter; Videm, Vibeke (Journal article; Peer reviewed, 2017)The lectin complement pathway is suggested to play a role in atherogenesis. Pentraxin-3 (PTX3), ficolin-1, ficolin-2, ficolin-3, MBL/ficolin/collectin-associated serine protease-3 (MASP-3) and MBL/ficolin/collectin-associated ... -
Plasma levels of mannose-binding lectin and future risk of venous thromboembolism
Liang, Robin Amanda; Høiland, Ina Isabella; Ueland, Thor; Aukrust, Pål; Snir, Omri; Hindberg, Kristian; Brækkan, Sigrid Kufaas; Garred, Peter; Mollnes, Tom Eirik; Hansen, John-Bjarne (Journal article; Peer reviewed, 2019)Background Animal and observational studies have suggested a pathophysiological role for complement in venous thromboembolism (VTE), but the initiating mechanisms are unknown. Mannose‐binding lectin (MBL) bound to altered ... -
Soluble collectin-12 mediates C3-independent docking of properdin that activates the alternative pathway of complement
Zhang, Jie; Song, Lihong; Pedersen, Dennis V.; Li, Anna; Lambris, John D.; Andersen, Gregers Rom; Mollnes, Tom Eirik; Ma, Ying Jie; Garred, Peter (Peer reviewed; Journal article, 2020)Properdin stabilizes the alternative C3 convertase (C3bBb), whereas its role as pattern-recognition molecule mediating complement activation is disputed for decades. Previously, we have found that soluble collectin-12 ... -
Synthetic Oligodeoxynucleotide CpG Motifs Activate Human Complement through Their Backbone Structure and Induce Complement-Dependent Cytokine Release
de Boer, Eline; Sokolova, Marina; Quach, Huy Quang; Mc Adam, Karin Ekholt; Götz, Maximilian P.; Chaban, Viktoriia; Vaage, Ingvar Jarle; Fageräng, Beatrice Linnea Christina; Woodruff, Trent M.; Garred, Peter; Nilsson, Per; Mollnes, Tom Eirik; Pischke, Soeren (Peer reviewed; Journal article, 2022)Bacterial and mitochondrial DNA, sharing an evolutionary origin, act as danger-associated molecular patterns in infectious and sterile inflammation. They both contain immunomodulatory CpG motifs. Interactions between CpG ... -
The complement system and toll-like receptors as integrated players in the pathophysiology of atherosclerosis
Hovland, Anders; Jonasson, Lena; Garred, Peter; Yndestad, Arne; Aukrust, Pål; Lappegård, Knut Tore; Espevik, Terje; Mollnes, Tom Eirik (Peer reviewed; Journal article, 2015)Despite recent medical advances, atherosclerosis is a global burden accounting for numerous deaths and hospital admissions. Immune-mediated inflammation is a major component of the atherosclerotic process, but earlier ... -
Therapeutic Targeting of the Complement System: From Rare Diseases to Pandemics
Garred, Peter; Tenner, A. J.; Mollnes, Tom Eirik (Peer reviewed; Journal article, 2021)The complement system was discovered at the end of the 19th century as a heat-labile plasma component that “complemented” the antibodies in killing microbes, hence the name “complement.” Complement is also part of the ...