Ragnberth Helleday

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Works as

Senior physician at Department of Public Health and Clinical Medicine Section: Pulmonary Medicine

Byggnad 1A, plan 4, målpunkt B41, Norrlands universitetssjukhus Umeå universitet, 901 85 Umeå

Designing patient education tools: co-creation of infographics to support the hospitalisation process for individuals with severe chronic respiratory conditions

CoDesign - International Journal of CoCreation in Design and the Arts

An, Qingfan; Kuenen, Christoffel; Yen, Po-Yin; et al.

Transition design: Co-creating system solutions for chronic obstructive pulmonary disease (COPD) care

Design Studies, Elsevier 2025, Vol. 98

An, Qingfan; Sandlund, Marlene; Lundell, Sara; et al.

A scoping review of co-creation practice in the development of non-pharmacological interventions for people with chronic obstructive pulmonary disease

European Respiratory Journal, European Respiratory Society (ERS) 2023, Vol. 62, (Suppl. 67)

An, Qingfan; Sandlund, Marlene; Agnello, Danielle; et al.

A scoping review of co-creation practice in the development of non-pharmacological interventions for people with chronic obstructive pulmonary disease: a health CASCADE study

Respiratory Medicine, Elsevier 2023, Vol. 211

An, Qingfan; Sandlund, Marlene; Agnello, Danielle; et al.

Airway Inflammatory Response In Healthy Subjects Following Chamber Exposure To 100% Rme Biodiesel

American Journal of Respiratory and Critical Care Medicine, Vol. 191

Pourazar, Jamshid; Behndig, Annelie F.; Helleday, Ragnberth; et al.

Peripheral blood neutrophilia as a biomarker of ozone-induced pulmonary inflammation

PLOS ONE, Public Library of Science 2013, Vol. 8, (12)

Bosson, Jenny A; Blomberg, Anders; Stenfors, Nikolai; et al.

Proinflammatory doses of diesel exhaust in healthy subjects fail to elicit equivalent or augmented airway inflammation in subjects with asthma

Thorax, Vol. 66, (1) : 12-19

Behndig, Annelie F; Larsson, Nirina; Brown, Joanna L; et al.

Ozone exposure enhances mast-cell inflammation in asthmatic airways despite inhaled corticosteroid therapy.

Inhalation Toxicology, Informa Healthcare 2010, Vol. 22, (2) : 133-139

Stenfors, Nikolai; Bosson, Jenny; Helleday, Ragnberth; et al.

Antioxidant responses to acute ozone challenge in the healthy human airway

Inhalation Toxicology, Vol. 21, (11) : 933-942

Behndig, Annelie F; Blomberg, Anders; Helleday, Ragnberth; et al.

Augmentation of respiratory tract lining fluid ascorbate concentrations through supplementation with vitamin C.

Inhalation toxicology, Vol. 21, (3) : 250-8

Behndig, Annelie F; Blomberg, Anders; Helleday, Ragnberth; et al.

Airway antioxidant and inflammatory responses to diesel exhaust exposure in healthy humans.

European Respiratory Journal, Vol. 27, (2) : 359-365

Behndig, Annelie; Mudway, IS; Brown, JL; et al.

Airway antioxidant and inflammatory responses to diesel exhaust exposure in healthy humans.

European Respiratory Journal, Vol. 27, (2) : 359-365

Behndig, Annelie; Mudway, IS; Brown, JL; et al.

Exploring the time dependence of serum clara cell protein as a biomarker of pulmonary injury in humans.

Chest, Vol. 130, (3) : 672-675

Helleday, Ragnberth; Segerstedt, Bo; Forsberg, Bertil; et al.

Vitamin supplementation does not protect against symptoms in ozone-responsive subjects

Free Radical Biology & Medicine, Vol. 40, (10) : 1702-1712

Mudway, Ian S; Behndig, Annelie; Helleday, Ragnberth; et al.

Airway inflammation in iron ore miners exposed to dust and diesel exhaust.

Eur Respir J, Vol. 27, (4) : 714-719

Ädelroth, Ellinor; Hedlund, Ulf; Blomberg, Anders; et al.

Diesel exhaust activates redox-sensitive transcription factors and kinases in human airways

American Journal of Physiology - Lung cellular and Molecular Physiology, Vol. 289, (5) : L724-L730

Pourazar, Jamshid; Mudway, IS; Samet, JM; et al.

Different airway inflammatory responses in asthmatic and healthy humans exposed to diesel.

Eur Respir J, Vol. 23, (1) : 82-6

Stenfors, Nikolai; Nordenhäll, Charlotta; Salvi, S S; et al.

Ozone-induced bronchial epithelial cytokine expression differs between healthy and asthmatic subjects

Clinical and Experimental Allergy, Vol. 33, (6) : 777-782

Bosson, Jenny; Stenfors, Nikolai; Blomberg, Anders; et al.

Health effects of acute exposure to air pollution. Part I: Healthy and asthmatic subjects exposed to diesel exhaust

Research report (Health Effects Institute), (112) : 1-30; discussion 51

Holgate, Stephen T; Sandström, Thomas; Frew, Anthony J; et al.

Effect of ozone on bronchial mucosal inflammation in asthmatic and healthy subjects

Respiratory Medicine, Saunders Elsevier 2002, Vol. 96, (5) : 352-358

Stenfors, Nikolai; Pourazar, Jamshid; Blomberg, Anders; et al.

Differences in basal airway antioxidant concentrations are not predictive of individual responsiveness to ozone: a comparison of healthy and mild asthmatic subjects

Free Radical Biology & Medicine, Elsevier 2001, Vol. 31, (8) : 962-974

Mudway, I S; Stenfors, Nikolai; Blomberg, Anders; et al.

Nitric oxide (NO) in exhaled air after experimental ozone exposure in humans

Respiratory Medicine, Vol. 95, (6) : 491-495

Olin, A C; Stenfors, Nikolai; Torén, K; et al.

Adaptive antioxidant responses at the air lung interface in healthy humans following ozone exposure

Behndig, Annelie F; Blomberg, Anders; Helleday, Ragnberth; et al.

Ascorbate and dehydroascorbate in nasal lining fluid following vitamin C supplementation

Behndig, Annelie F; Mudway, Ian S; Helleday, Ragnberth; et al.

View publications in DiVA

Research projects

1 January 2021 until 31 December 2024

ECHO-COPD project