Browsing Bergen Open Research Archive by Author "Bakke, Per S."

Now showing items 21-40 of 41

    • Is sense of coherence a predictor of lifestyle changes in subjects at risk for type 2 diabetes? 

      Nilsen, Vegard; Bakke, Per S.; Rohde, Gudrun-Elin; Gallefoss, Frode (Peer reviewed; Journal article, 2015-02)
      Objective: To determine whether the sense of coherence (SOC) could predict the outcome of an 18-month lifestyle intervention program for subjects at risk of type 2 diabetes. Methods: Subjects at high risk of type 2 diabetes ...

    • Large-scale external validation and comparison of prognostic models: An application to chronic obstructive pulmonary disease 

      Guerra, Beniamino; Haile, Sarah R.; Lamprecht, Bernd; Ramírez, Ana S.; Martinez-Camblor, Pablo; Kaiser, Bernhard; Alfageme, Inmaculada; Almagro, Pere; Casanova, Ciro; Esteban-González, Cristóbal; Soler-Cataluña, Juan J.; de-Torres, Juan P.; Miravitlles, Marc; Celli, Bartolomé R.; Marin, Jose M.; ter Riet, Gerben; Sobradillo, Patricia; Lange, Peter; Garcia-Aymerich, Judith; Antó, Jósep Maria; Turner, Alice M.; Han, Meilan K.; Langhammer, Arnulf; Leivseth, Linda; Bakke, Per S.; Johannessen, Ane; Oga, Toru; Cosio, Borja; Ancochea-Bermúdez, Julio; Echazarreta, Andrés; Roche, Nicolas; Burgel, Pierre-Régis; Sin, Don D.; Soriano, Joan B.; Puhan, Milo A. (Peer reviewed; Journal article, 2018-03-02)
      Background: External validations and comparisons of prognostic models or scores are a prerequisite for their use in routine clinical care but are lacking in most medical fields including chronic obstructive pulmonary disease ...

    • Lung hyperinflation and functional exercise capacity in patients with COPD - a three-year longitudinal study 

      Aalstad, Linn T.; Hardie, Jon Andrew; Espehaug, Birgitte; Thorsen, Einar; Bakke, Per S.; Eagan, Tomas Mikal; Frisk, Bente (Peer reviewed; Journal article, 2018-12-06)
      Background: Lung hyperinflation contributes to dyspnea, morbidity and mortality in chronic obstructive pulmonary disease (COPD). The inspiratory-to-total lung capacity (IC/TLC) ratio is a measure of lung hyperinflation and ...

    • Markers of disease activity in COPD: an 8-year mortality study in the ECLIPSE cohort 

      Celli, Bartolome; Locantore, Nicholas; Yates, Julie C.; Bakke, Per S.; Calverley, Peter M.A.; Crim, Courtney; Coxson, Harvey O.; Lomas, David A.; MacNee, William; Miller, Bruce E.; Mullerova, Hana; Rennard, Stephen I.; Silverman, Edwin K.; Wouters, Emiel F.; Tal-Singer, Ruth; Agusti, Alvar; Vestbo, Jørgen (Journal article; Peer reviewed, 2021)
      Rationale There are no validated measures of disease activity in COPD. Since “active” disease is expected to have worse outcomes (e.g. mortality), we explored potential markers of disease activity in patients enrolled in ...

    • Motivation and response rates in bronchoscopy studies 

      Martinsen, Einar Marius Hjellestad; Eagan, Tomas Mikal; Leiten, Elise Orvedal; Nordeide, Eli; Bakke, Per S.; Lehmann, Sverre; Nielsen, Rune (Peer reviewed; Journal article, 2019-05-02)
      Background Bronchoscopy is frequently used to sample the lower airways in lung microbiome studies. Despite being a safe procedure, it is associated with discomfort that may result in reservations regarding participation ...

    • Multi-ancestry genome-wide association analyses improve resolution of genes and pathways influencing lung function and chronic obstructive pulmonary disease risk 

      Shrine, Nick; Izquierdo, Abril G.; Chen, Jing; Packer, Richard; Hall, Robert J.; Guyatt, Anna L.; Batini, Chiara; Thompson, Rebecca J.; Pavuluri, Chandan; Malik, Vidhi; Hobbs, Brian D.; Moll, Matthew; Kim, Wonji; Tal-Singer, Ruth; Bakke, Per S.; Fawcett, Katherine A.; John, Catherine; Coley, Kayesha; Piga, Noemi Nicole; Pozarickij, Alfred; Lin, Kuang; Millwood, Iona Y.; Chen, Zhengming; Li, Liming; Wijnant, Sara R A; Lahousse, Lies; Brusselle, Guy; Uitterlinden, Andre G.; Manichaikul, Ani; Oelsner, Elizabeth C.; Rich, Stephen S.; Barr, R Graham; Kerr, Shona M.; Vitart, Veronique; Brown, Michael R.; Wielscher, Matthias; Imboden, Medea; Jeong, Ayoung; Bartz, Traci M.; Gharib, Sina A.; Flexeder, Claudia; Karrasch, Stefan; Gieger, Christian; Peters, Annette; Stubbe, Beate; Hu, Xiaowei; Ortega, Victor E.; Meyers, Deborah A.; Bleecker, Eugene R.; Gabriel, Stacey B.; Gupta, Namrata; Smith, Albert Vernon; Luan, Jian'an; Zhao, Jing-Hua; Hansen, Ailin Falkmo; Langhammer, Arnulf; Willer, Cristen; Bhatta, Laxmi; Porteous, David; Smith, Blair H.; Campbell, Archie; Sofer, Tamar; Lee, Jiwon; Daviglus, Martha L.; Yu, Bing; Lim, Elise; Xu, Hanfei; O'Connor, George T.; Thareja, Gaurav; Albagha, Omar M E; Suhre, Karsten; Granell, Raquel; Faquih, Tariq O.; Hiemstra, Pieter S.; Slats, Annelies M.; Mullin, Benjamin H.; Hui, Jennie; James, Alan; Beilby, John; Patasova, Karina; Hysi, Pirro; Koskela, Jukka T.; Wyss, Annah B.; Jin, Jianping; Sikdar, Sinjini; Lee, Mikyeong; May-Wilson, Sebastian; Pirastu, Nicola; Kentistou, Katherine A.; Joshi, Peter K.; Timmers, Paul R H J; Williams, Alexander T.; Free, Robert C.; Wang, Xueyang; Morrison, John L.; Gilliland, Frank D.; Chen, Zhanghua; Wang, Carol A.; Foong, Rachel E.; Harris, Sarah E.; Taylor, Adele; Redmond, Paul; Cook, James P.; Mahajan, Anubha; Lind, Lars; Palviainen, Teemu; Lehtimäki, Terho; Raitakari, Olli T.; Kaprio, Jaakko; Rantanen, Taina; Pietiläinen, Kirsi H.; Cox, Simon R.; Pennell, Craig E.; Hall, Graham L.; Gauderman, W James; Brightling, Chris; Wilson, James F.; Vasankari, Tuula; Laitinen, Tarja; Salomaa, Veikko; Mook-Kanamori, Dennis O.; Timpson, Nicholas J.; Zeggini, Eleftheria; Dupuis, Josée; Hayward, Caroline; Brumpton, Ben Michael; Langenberg, Claudia; Weiss, Stefan; Homuth, Georg; Schmidt, Carsten Oliver; Probst-Hensch, Nicole; Jarvelin, Marjo-Riitta; Morrison, Alanna C.; Polasek, Ozren; Rudan, Igor; Lee, Joo-Hyeon; Sayers, Ian; Rawlins, Emma L.; Dudbridge, Frank; Silverman, Edwin K.; Strachan, David P.; Walters, Robin G.; Morris, Andrew P.; London, Stephanie J.; Cho, Michael H.; Wain, Louise V.; Hall, Ian P.; Tobin, Martin D. (Journal article; Peer reviewed, 2023)
      Lung-function impairment underlies chronic obstructive pulmonary disease (COPD) and predicts mortality. In the largest multi-ancestry genome-wide association meta-analysis of lung function to date, comprising 580,869 ...

    • Mutations in TP53 increase the risk of SOX2 copy number alterations and silencing of TP53 reduces SOX2 expression in non-small cell lung cancer 

      Erdem, Johanna Samulin; Skaug, Vidar; Bakke, Per S.; Gulsvik, Amund; Haugen, Aage; Zienolddiny, Shanbeh (Peer reviewed; Journal article, 2016-01-19)
      Background: Amplifications of the transcription factor, SRY (sex determining region Y)-box 2 (SOX2), are common in non-small cell lung cancer (NSCLC). SOX2 signaling is important in maintaining the stem cell-like phenotype ...

    • Participation in research bronchoscopy: a literature review 

      Martinsen, Einar Marius Hjellestad; Leiten, Elise Orvedal; Bakke, Per S.; Eagan, Tomas Mikal; Grønseth, Rune (Peer reviewed; Journal article, 2016-02-03)
      Bronchoscopy is the preferred method for collecting biological samples from the lower airways of subjects in clinical research. However, ensuring participation in clinical research can be challenging when the research ...

    • Plasma proteins elevated in severe asthma despite oral steroid use and unrelated to Type-2 inflammation 

      Mikus, Maria Sparreman; Kolmert, Johan; Andersson, Lars I.; Östling, Jörgen; Knowles, Richard G.; Gómez, Cristina; Ericsson, Magnus; Thörngren, John-Olof; Khoonsari, Payam Emami; Dahlén, Barbro; Kupczyk, Maciej; de Meulder, Bertrand; Auffray, Charles; Bakke, Per S.; Beghe, Bianca; Bel, Elisabeth H.; Caruso, Massimo; Chanez, Pascal; Chawes, Bo; Fowler, Stephen J.; Gaga, Mina; Geiser, Thomas; Gjomarkaj, Mark; Horváth, Ildikó; Howarth, Peter H.; Johnston, Sebastian L.; Joos, Guy; Krug, Norbert; Montuschi, Paolo; Musial, Jacek; Niżankowska-Mogilnicka, Ewa; Olsson, Henric K.; Papi, Alberto; Rabe, Klaus F.; Sandström, Thomas; Shaw, Dominick E.; Siafakas, Nikolaos M.; Uhlén, Mathias; Riley, John H.; Bates, Stewart; Middelveld, Roelinde J.M.; Wheelock, Craig E.; Chung, Kian Fan; Adcock, Ian M.; Sterk, Peter J.; Djukanovic, Ratko; Nilsson, Peter; Dahlén, Sven-Erik; James, Anna (Journal article; Peer reviewed, 2022)
      Rationale Asthma phenotyping requires novel biomarker discovery. Objectives To identify plasma biomarkers associated with asthma phenotypes by application of a new proteomic panel to samples from two well-characterised ...

    • Prevalence and prognostic ability of the GOLD 2017 classification compared to the GOLD 2011 classification in a Norwegian COPD cohort 

      Le, Lan Ai Kieu; Johannessen, Ane; Hardie, Jon Andrew; Johansen, Odd Erik; Gulsvik, Amund; Vikse, Bjørn Egil; Bakke, Per S. (Peer reviewed; Journal article, 2019-07-23)
      Rationale: The Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2017 is based on an ABCD assessment tool of symptoms and exacerbation history and grade 1–4 of airflow limitation severity, facilitating ...

    • Protected sampling is preferable in bronchoscopic studies of the airway microbiome 

      Grønseth, Rune; Drengenes, Christine; Wiker, Harald G; Tangedal, Solveig; Xue, Yaxin; Husebø, Gunnar; Svanes, Øistein; Lehmann, Sverre; Aardal, Marit Elisabeth; Hoang, Tuyen; Kalananthan, Tharmini; Martinsen, Einar Marius Hjellestad; Leiten, Elise Orvedal; Aanerud, Marianne; Nordeide, Eli; Haaland, Ingvild; Jonassen, Inge; Bakke, Per S.; Eagan, Tomas Mikal (Journal article; Peer reviewed, 2017)
      The aim was to evaluate susceptibility of oropharyngeal contamination with various bronchoscopic sampling techniques. 67 patients with obstructive lung disease and 58 control subjects underwent bronchoscopy with ...

    • Repeated bronchoscopy in health and obstructive lung disease: is the airway microbiome stable? 

      Nielsen, Rune; Xue, Yaxin; Jonassen, Inge; Haaland, Ingvild; Kommedal, Øyvind; Wiker, Harald Gotten; Drengenes, Christine; Bakke, Per S.; Eagan, Tomas Mikal Lind (Journal article; Peer reviewed, 2021)
      Objective Little is known concerning the stability of the lower airway microbiome. We have compared the microbiota identified by repeated bronchoscopy in healthy subjects and patients with ostructive lung diseaseases ...

    • The respiratory virome and exacerbations in patients with chronic obstructive pulmonary disease 

      van Rijn, Anneloes L.; van Boheemen, Sander; Sidorov, Igor; Carbo, Ellen C.; Pappas, Nikos; Mei, Hailiang; Feltkamp, Mariet; Aanerud, Marianne; Bakke, Per S.; Claas, Eric C.J.; Eagan, Tomas Mikal; Hiemstra, Pieter S.; Kroes, Aloys C.M.; de Vries, Jutte J.C. (Peer reviewed; Journal article, 2019-10-24)
      Introduction: Exacerbations are major contributors to morbidity and mortality in patients with chronic obstructive pulmonary disease (COPD), and respiratory bacterial and viral infections are an important trigger. However, ...

    • Risk factors for lung cancer in COPD - results from the Bergen COPD cohort study 

      Husebø, Gunnar Reksten; Nielsen, Rune; Hardie, Jon Andrew; Bakke, Per S.; Lerner, Lorena; D'Alessandro-Gabazza, Corina; Gyuris, Jeno; Gabazza, Esteban; Aukrust, Pål; Eagan, Tomas Mikal (Peer reviewed; Journal article, 2019)
      Background: COPD patients have an increased risk of developing lung cancer, but the underlying mechanisms are poorly understood. We aimed to identify risk factors for lung cancer in patients from the Bergen COPD Cohort ...

    • The role of inflammation in anxiety and depression in the European U-BIOPRED asthma cohorts 

      Hou, Ruihua; Ye, Gang; Cheng, Xiaojing; Shaw, Dominick E.; Bakke, Per S.; Caruso, Massimo; Dahlen, Barbro; Dahlen, Sven-Erik; Fowler, Stephen J.; Horváth, Ildikó; Howarth, Peter; Krug, Norbert; Montuschi, Paolo; Sanak, Marek; Sandström, Thomas; Auffray, Charles; De Meulder, Bertrand; Sousa, Ana R.; Adcock, Ian M.; Fan Chung, Kian; Sterk, Peter J.; Skipp, Paul J.; Schofield, James; Djukanović, Ratko (Journal article; Peer reviewed, 2023)
      Background: Growing evidence indicates high comorbid anxiety and depression in patients with asthma. However, the mechanisms underlying this comorbid condition remain unclear. The aim of this study was to investigate the ...

    • A simple algorithm for the identification of clinical COPD phenotypes 

      Burgel, Pierre-Régis; Paillasseur, Jean-Louis; Janssens, Wim; Piquet, Jacques; Ter Riet, Gerben; Garcia-Aymerich, Judith; Cosio, Borja; Bakke, Per S.; Puhan, Milo A.; Langhammer, Arnulf; Alfageme, Inmaculada; Almagro, Pere; Ancochea, Julio; Celli, Bartolomé R.; Casanova, Ciro; de-Torres, Juan P.; Decramer, Marc; Echazarreta, Andrés; Esteban, Cristobal; Punter, Rosa Mar Gomez; Han, Meilan K.; Johannessen, Ane; Kaiser, Bernhard; Lamprecht, Bernd; Lange, Peter; Leivseth, Linda; Marin, Jose M.; Martin, Francis; Martinez-Camblor, Pablo; Miravitlles, Marc; Oga, Toru; Ramírez, Ana Sofia; Sin, Don D.; Sobradillo, Patricia; Soler-Cataluña, Juan J.; Turner, Alice M.; Rivera, Francisco Javier Verdu; Soriano, Joan B.; Roche, Nicolas (Peer reviewed; Journal article, 2017)
      This study aimed to identify simple rules for allocating chronic obstructive pulmonary disease (COPD) patients to clinical phenotypes identified by cluster analyses. Data from 2409 COPD patients of French/Belgian COPD ...

    • Sputum microbiota and inflammation at stable state and during exacerbations in a cohort of chronic obstructive pulmonary disease (COPD) patients 

      Tangedal, Solveig; Nielsen, Rune; Aanerud, Marianne; Persson, Louise Jeanette Pauline; Wiker, Harald G; Bakke, Per S.; Hiemstra, Pieter S.; Eagan, Tomas Mikal (Peer reviewed; Journal article, 2019-09-17)
      Background: Exacerbations of chronic obstructive pulmonary disease (COPD) are debilitating events and spur disease progression. Infectious causes are frequent; however, it is unknown to what extent exacerbations are caused ...

    • Urinary Leukotriene E4 and Prostaglandin D2 Metabolites Increase in Adult and Childhood Severe Asthma Characterized by Type 2 Inflammation: A Clinical Observational Study 

      Kolmert, Johan; Gómez, Cristina; Balgoma, David; Sjödin, Marcus; Bood, Johan; Konradsen, Jon R.; Ericsson, Magnus; Thörngren, John-Olof; James, Anna; Mikus, Maria; Sousa, Ana R.; Riley, John H.; Bates, Stewart; Bakke, Per S.; Pandis, Ioannis; Caruso, Massimo; Chanez, Pascal; Fowler, Stephen J.; Geiser, Thomas; Howarth, Peter; Horváth, Ildikó; Krug, Norbert; Montuschi, Paolo; Sanak, Marek; Behndig, Annelie; Shaw, Dominick E.; Knowles, Richard G.; Holweg, Cécile T.J.; Wheelock, Åsa M.; Dahlen, Barbro; Nordlund, Björn; Alving, Kjell; Hedlin, Gunilla; Chung, Kian Fan; Adcock, Ian M.; Sterk, Peter J.; Djukanovic, Ratko; Dahlén, Sven-Erik; Wheelock, Craig E. (Journal article; Peer reviewed, 2021)
      Rationale: New approaches are needed to guide personalized treatment of asthma. Objectives: To test if urinary eicosanoid metabolites can direct asthma phenotyping. Methods: Urinary metabolites of prostaglandins ...

    • Urinary metabotype of severe asthma evidences decreased carnitine metabolism independent of oral corticosteroid treatment in the U-BIOPRED study 

      Reinke, Stacey N.; Naz, Shama; Chaleckis, Romanas; Gallart-Ayala, Hector; Kolmert, Johan; Kermani, Nazanin Z.; Tiotiu, Angelica; Broadhurst, David I.; Lundqvist, Anders; Olsson, Henric; Ström, Marika; Wheelock, Åsa M.; Gómez, Cristina; Ericsson, Magnus; Sousa, Ana R.; Riley, John H.; Bates, Stewart; Scholfield, James; Loza, Matthew; Baribaud, Frédéric; Bakke, Per S.; Caruso, Massimo; Chanez, Pascal; Fowler, Stephen J.; Geiser, Thomas; Howarth, Peter; Horváth, Ildikó; Krug, Norbert; Montuschi, Paolo; Behndig, Annelie; Singer, Florian; Musial, Jacek; Shaw, Dominick E.; Dahlén, Barbro; Hu, Sile; Lasky-Su, Jessica; Sterk, Peter J.; Chung, Kian Fan; Djukanovic, Ratko; Dahlén, Sven-Erik; Adcock, Ian M.; Wheelock, Craig E. (Journal article; Peer reviewed, 2022)
      Introduction Asthma is a heterogeneous disease with poorly defined phenotypes. Patients with severe asthma often receive multiple treatments including oral corticosteroids (OCS). Treatment may modify the observed metabotype, ...

    • Vitamin D, vitamin D binding protein, and longitudinal outcomes in COPD 

      Persson, Louise Jeanette Pauline; Aanerud, Marianne; Hiemstra, Pieter Sicco; Michelsen, Annika; Ueland, Thor; Hardie, Jon Andrew; Aukrust, Pål; Bakke, Per S.; Eagan, Tomas Mikal (Peer reviewed; Journal article, 2015-03-24)
      Background: Associations between Vitamin D3 [25(OH)D], vitamin D binding protein (VDBP) and chronic obstructive pulmonary disease (COPD) are previously reported. We aimed to further investigate these associations on ...