Research Topics
| R RylanderSummaryCountry: Sweden Publications
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Detail Information
Publications
Low frequency noise enhances cortisol among noise sensitive subjects during work performanceKerstin Persson Waye
Department of Environmental Medicine, Goteborg University, Gothenburg, Sweden
Life Sci 70:745-58. 2002..The impact of long-term exposure to moderate noise levels, and particularly low frequency noise, in the workplace deserves further investigation...- Effects after inhalation of (1-->3)-beta-D-glucan and relation to mould exposure in the homeLena Beijer
Department of Environmental Medicine, Goteborg University, Gothenburg, Sweden
Mediators Inflamm 11:149-53. 2002..Moulds contain a polyglucose in their cell wall, defined as (1-->3)-beta-D-glucan, exhibiting effects on inflammatory cells... - Endotoxin in the environment--exposure and effectsRagnar Rylander
Department of Environmental Medicine, University of Gothenburg, Sweden
J Endotoxin Res 8:241-52. 2002..Additional research is needed to clarify the role of other environmental agents that are present in connection with endotoxin, particularly (1-->3)-beta-D-glucan from mold cell walls... - Microbial cell wall agents and sick building syndromeRagnar Rylander
Department of Environmental Medicine University of Gothenburg Gothenburg, Sweden
Adv Appl Microbiol 55:139-54. 2004 - Organic dust induced inflammation--role of atopy and TLR-4 and CD14 gene polymorphismsRagnar Rylander
Department of Environmental Medicine, Sahlgrenska Academy at Goteborg University, Goteborg, Sweden
Am J Ind Med 48:302-7. 2005..Polymorphisms in the genes controlling for CD14 and TLR-4 may influence the outcome of endotoxin-induced effects... - Health effects among workers in sewage treatment plantsR Rylander
Department of Environmental Medicine, University of Gothenburg, Sweden
Occup Environ Med 56:354-7. 1999..To further assess the presence of fatigue, symptoms of diarrhoea, and inflammation of airways among people working in sewage plants and the relation to airborne bacterial endotoxin at the workplace... - Moderate alcohol consumption and urinary excretion of magnesium and calciumR Rylander
Department of Environmental Medicine, University of Gothenburg, Sweden
Scand J Clin Lab Invest 61:401-5. 2001..Although the study is based on a small number of subjects with differences in smoking habits, it is suggested that alcohol consumption even in moderate amounts could contribute to Mg deficiency... - (1-->3)-beta-D-glucan - relationship to indoor air-related symptoms, allergy and asthmaR Rylander
Department of Environmental Medicine, Box 414, University of Gothenburg, 40530, Gothenburg, Sweden
Toxicology 152:47-52. 2000..In view of the mechanisms involved in the normal development of the immune system, children seem to be a particular group at risk due to (1-->3)-beta-D-glucan exposure... - Introduction and summary: workshop on children's health and indoor mold exposureR Rylander
Department of Environmental Medicine, University of Gothenburg, Sweden
Environ Health Perspect 107:465-8. 1999..Measurement techniques are available to determine exposure. Most important, the source of dampness must be eliminated and the indoor environment must be thoroughly cleaned of molds... - (1-->3)-beta-D-glucan may contribute to pollen sensitivityR Rylander
Department of Environmental Medicine, Gothenburg University, Sweden
Clin Exp Immunol 115:383-4. 1999..A calculation of the inhaled dose suggests that the amount of (1-->3)-beta-D-glucan present during periods with a high pollen content in the air exceeds levels that cause airways inflammation... - Organic dusts and disease: a continuous research challengeRagnar Rylander
Department of Environmental Medicine, Goteborg University, Box 414, 405 30 Gothenburg, Sweden
Am J Ind Med 46:323-6. 2004..There are also reactions characterized by lymphocyte accumulation and by specific IgE antibody formation. Causative agents identified as bacterial endotoxins, molds, and different allergens... - Mineral water intake reduces blood pressure among subjects with low urinary magnesium and calcium levelsRagnar Rylander
Department of Environmental Medicine, Sahlgrenska Academy at Goteborg University, Gothenburg, Sweden
BMC Public Health 4:56. 2004..An intervention study was undertaken to evaluate the effect of water with added magnesium and natural mineral water on blood pressure... - Effects after inhalation of (1-->3)-beta-D-glucan in healthy humansJ Thorn
Department of Environmental Medicine, Goteborg University, Sweden
Mediators Inflamm 10:173-8. 2001..This study was performed to assess the effects of an exposure to a pure (1-->3)-beta-D-glucan, a cell wall component of fungi, plants and certain bacteria... - Mould exposure at home relates to inflammatory markers in bloodL Beijer
Dept of Environmental Medicine, Sahlgrenska Academy, Goteborg University, Goteborg, Sweden
Eur Respir J 21:317-22. 2003..The effects found on inflammatory markers in relation to beta(1 --> 3)-D-glucan in the home suggest upregulation of some parts of the inflammatory/immunological system due to mould exposure... - Plant constituents of cotton dust and lung effects after inhalationR Rylander
Dept of Environmental Hygiene, University of Gothenburg, Sweden
Eur Respir J 1:812-7. 1988..The level of airborne endotoxin was, however, equal. The results support observations from other studies on the importance of endotoxin for the development of the acute reactions observed after cotton dust exposure... - Indoor air-related effects and airborne (1 --> 3)-beta-D-glucanR Rylander
Department of Environmental Medicine, University of Gothenburg
Environ Health Perspect 107:501-3. 1999..Increased levels of (1-->3)-ss-d-glucan were related to an increased extent of symptoms and markers of inflammation. The data suggest that (1-->3)-ss-d-glucan can be used as a risk marker in indoor environments... - Health effects of cotton dust exposuresR Rylander
Department of Environmental Hygiene, University of Gothenburg, Sweden
Am J Ind Med 17:39-45. 1990..A common pathology is acute or chronic inflammation, and bacterial endotoxins seem to be the causative agents for the acute and some chronic reactions... - Inhalation of (1-->3)-beta-D-glucan causes airway eosinophiliaB Fogelmark
Department of Environmental Medicine, , Sweden
Mediators Inflamm 10:13-9. 2001..Endotoxin modulated the increase in eosinophils caused by (1-->3)-beta-D-glucan exposure, suggesting a complex interaction between the microbial cell wall components... - Airways inflammation among workers in poultry housesRagnar Rylander
Department of Environmental Medicine, University of Gothenburg, Box 414, 405 30 Gothenburg, Sweden
Int Arch Occup Environ Health 79:487-90. 2006..A study was undertaken to evaluate the usefulness of airway responsiveness measurements to diagnose the presence of airways inflammation and relate this to the workplace exposure... - The role of endotoxin for reactions after exposure to cotton dustR Rylander
Department of Environmental Hygiene, University of Gothenburg, Sweden
Am J Ind Med 12:687-97. 1987..Limited data suggest that after cotton dust exposure, other symptoms, such as airway hyperreactivity and chronic inflammation, are also related to the endotoxin exposure. Tentative thresholds for airborne endotoxins are presented... - Increased blood monocyte procoagulant activity in cotton mill workersL Beijer
Department of Environmental Medicine, University of Gothenburg, Sweden
J Clin Lab Immunol 33:125-7. 1990..Mononuclear cells from cotton workers had a decreased baseline procoagulant activity but an increased response to endotoxin, suggesting cellular sensitization to the endotoxin present in cotton dust... - Magnesium in drinking water and body magnesium status measured using an oral loading testE Rubenowitz
Department of Environmental Medicine, Goteborg University, Sweden
Scand J Clin Lab Invest 58:423-8. 1998..The mean percentage change was a 14.6% (p=0.047) increase. No changes were found for potassium. In summary, the results indicate that magnesium in drinking water can affect body magnesium status... - Effects of nighttime low frequency noise on the cortisol response to awakening and subjective sleep qualityKerstin Persson Waye
Department of Environmental Medicine, Goteborg University, Box 414, 405 30 Gothenburg, Sweden
Life Sci 72:863-75. 2003..This study thus showed that night time exposure to LFN may affect the cortisol response upon wake up and that lower cortisol levels after awakening were associated with subjective reports of lower sleep quality and mood... - Measurement strategies for the determination of airborne bacterial endotoxin in sewage treatment plantsJörgen Thorn
Department of Environmental Medicine, Goteborg University, Box 414, 405 30 Goteborg, Sweden
Ann Occup Hyg 46:549-54. 2002.... - (1-->3)-beta-D-glucan does not induce acute inflammation after nasal depositionL Beijer
Department of Environmental Medicine, Sahlgrenska Academy, , , Sweden
Mediators Inflamm 2005:50-2. 2005..No effect could be demonstrated. The absence of an inflammatory response after (1-->3)-beta-D-glucan application confirms earlier findings in inhalation studies... - Endotoxin and occupational airway diseaseRagnar Rylander
Department of Environmental Medicine, Gothenburg University, Gothenburg, Sweden
Curr Opin Allergy Clin Immunol 6:62-6. 2006..This review provides an update on the role of bacterial endotoxin in occupational airway disease, a problem of importance from diagnostic and preventive points of view... - Diseases associated with exposure to plant dusts: focus on cotton dustR Rylander
Department of Environmental Medicine, University of Gothenburg, Sweden
Tuber Lung Dis 73:21-6. 1992.... - Work related symptoms among sewage workers: a nationwide survey in SwedenJ Thorn
Department of Environmental Medicine, Goteborg University, Sweden
Occup Environ Med 59:562-6. 2002..To assess the risk for work related symptoms among sewage workers in Sweden using a postal questionnaire... - Lung cancer risks in relation to vegetable and fruit consumption and smokingRagnar Rylander
Department of Environmental Medicine, Sahlgrenska Academy at Goteborg University, Goteborg, Sweden
Int J Cancer 118:739-43. 2006..A similar tendency, although less pronounced, was found for fruit consumption. The results demonstrate that dietary factors are related to the risk for lung cancer, although smoking is the dominant risk factor... - Magnesium in drinking water and cardio-vascular disease--an epidemiological dilemmaRagnar Rylander
Gothenburg University, Gothenburg, Sweden
Clin Calcium 15:11-5. 2005.... - Diet as risk for lung cancer: a Swedish case-control studyGosta Axelsson
Department of Environmental Medicine, Goteborg University, Gothenburg, Sweden
Nutr Cancer 44:145-51. 2002..The results from this as well as previous studies suggest a complex interaction between diet and lung cancer risk, involving the types of lung cancer as well as consumption patterns in the population... - Endotoxin and asthmaRagnar Rylander
Am J Respir Crit Care Med 173:1177; author reply 1177. 2006 - Acid-base status affects renal magnesium losses in healthy, elderly personsRagnar Rylander
Institute for Prevention and Nutrition, 85733 Ismaning, Germany
J Nutr 136:2374-7. 2006..Magnesium deficiency could thus, apart from an insufficient intake, partly be caused by the acid load in the body... - Extension of the "hygiene hypothesis" to the association of occupational endotoxin exposure with lower lung cancer riskJohn H Lange
J Allergy Clin Immunol 112:219-20. 2003 - History and results of the two inter-laboratory round robin endotoxin assay studies on cotton dustDavid T W Chun
Cotton Quality Research Station, Agricultural Research Service, U S Department of Agriculture, Clemson, South Carolina 29633, USA
Am J Ind Med 49:301-6. 2006..When different laboratories assay identical samples, the levels differ. The objective of this research was to evaluate the intra- and inter-laboratory variability for 13 laboratories measuring endotoxin in cotton dust... - Systemic responsiveness to lipopolysaccharide and polymorphisms in the toll-like receptor 4 gene in human beingsOlivier Michel
Clinic of Allergology and Respiratory Diseases, CHU Saint Pierre ULB, Brussels, Belgium
J Allergy Clin Immunol 112:923-9. 2003..The response to lipopolysaccharide exposure is highly variable and might be a result of genetic diversity between individuals. The toll-like receptor 4 (TLR-4) is the principal receptor for lipopolysacharide... - Second inter-laboratory study comparing endotoxin assay results from cotton dustDavid T W Chun
Cotton Quality Research Station, Agricultural Research Service, US Department of Agriculture, P O Box 792, Clemson, SC 29633, USA
Ann Agric Environ Med 9:49-53. 2002..The results of this second round robin endotoxin assay study indicate that differences between laboratories are still high, but most of the laboratories could discern the cotton dusts with the different levels of endotoxin... - Endotoxin exposure and lung cancer mortality by type of farming: is there a hidden dose-response relationship?John H Lange
Envirosafe Training and Consultants, Pittsburgh, USA
Ann Agric Environ Med 10:229-32. 2003..5 EU/m(3) during livestock farming against 19.9 EU/m(3) during field crop and fruit farming), suggests a decreasing lung cancer risk with increasing endotoxin exposure, and supports a possible dose-response relationship between the two... - There is an alternative reason for lower-than-expected rates of lung cancer in farmersJohn H Lange
Arch Environ Health 58:316-7; author reply 317. 2003 - A benefit of reducing lung cancer incidence in women occupationally exposed to cotton textile dustJohn H Lange
Am J Ind Med 45:388-9; author reply 390. 2004 - Renal net acid excretion capacity is comparable in prepubescence, adolescence, and young adulthood but falls with agingShoma Berkemeyer
Research Institute of Child Nutrition, Dortmund, Germany
J Am Geriatr Soc 56:1442-8. 2008..To evaluate whether renal net acid excretion capacity (NAEC) varies across different age groups and, specifically, whether it falls in elderly people...