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- Gunnbjornsdottir, M. I., et al.
(författare)
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Obesity and nocturnal gastro-oesophageal reflux are related to onset of asthma and respiratory symptoms
- 2004
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Ingår i: Eur Respir J. - : European Respiratory Society (ERS). ; 24:1
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Tidskriftsartikel (refereegranskat)abstract
- Several studies have identified obesity as a risk factor for asthma in both children and adults. An increased prevalence of asthma in subjects with gastro-oesophageal reflux (GOR) and obstructive sleep apnoea syndrome has also been reported. The aim of this investigation was to study obesity, nocturnal GOR and snoring as independent risk factors for onset of asthma and respiratory symptoms in a Nordic population. In a 5-10 yr follow-up study of the European Community Respiratory Health Survey in Iceland, Norway, Denmark, Sweden and Estonia, a postal questionnaire was sent to previous respondents. A total of 16,191 participants responded to the questionnaire. Reported onset of asthma, wheeze and night-time symptoms as well as nocturnal GOR and habitual snoring increased in prevalence along with the increase in body mass index (BMI). After adjusting for nocturnal GOR, habitual snoring and other confounders, obesity (BMI >30) remained significantly related to the onset of asthma, wheeze and night-time symptoms. Nocturnal GOR was independently related to the onset of asthma and in addition, both nocturnal GOR and habitual snoring were independently related to onset of wheeze and night-time symptoms. This study adds evidence to an independent relationship between obesity, nocturnal gastro-oesophageal reflux and habitual snoring and the onset of asthma and respiratory symptoms in adults.
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- Franklin, K. A., et al.
(författare)
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The influence of active and passive smoking on habitual snoring
- 2004
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Ingår i: Am J Respir Crit Care Med. ; 170:7
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Tidskriftsartikel (refereegranskat)abstract
- The impact of active smoking, passive smoking, and obesity on habitual snoring in the population is mainly unknown. We aimed to study the relationship of habitual snoring with active and passive tobacco smoking in a population-based sample. A total of 15,555 of 21,802 (71%) randomly selected men and women aged 25-54 years from Iceland, Estonia, Denmark, Norway, and Sweden answered a postal questionnaire. Habitual snoring, defined as loud and disturbing snoring at least 3 nights a week, was more prevalent among current smokers (24.0%, p < 0.0001) and ex-smokers (20.3%, p < 0.0001) than in never-smokers (13.7%). Snoring was also more prevalent in never-smokers exposed to passive smoking at home on a daily basis than in never-smokers without this exposure (19.8% vs. 13.3%, p < 0.0001). The frequency of habitual snoring increased with the amount of tobacco smoked. Active smoking and passive smoking were related to snoring, independent of obesity, sex, center, and age. Ever smoking accounted for 17.1% of the attributable risk of habitual snoring, obesity (body mass index >/= 30 kg/m(2)) for 4.3%, and passive smoking for 2.2%. Smoking, both current and ex-smoking, is a major contributor to habitual snoring in the general population. Passive smoking is a previously unrecognized risk factor for snoring among adults.
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| 6. |
- Hellstrom-Lindberg, E., et al.
(författare)
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A validated decision model for treating the anaemia of myelodysplastic syndromes with erythropoietin + granulocyte colony-stimulating factor : Significant effects on quality of life
- 2003
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Ingår i: British Journal of Haematology. - : Wiley. - 0007-1048 .- 1365-2141. ; 120, s. 1037-
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Tidskriftsartikel (refereegranskat)abstract
- We have published previously a prototype of a decision model for anaemic patients with myelodysplastic syndromes (MDS), in which transfusion need and serum erythropoietin (S-Epo) were used to define three groups with different probabilities of erythroid response to treatment with granulocyte colony-stimulating factor (G-CSF) + Epo. S-Epo = 500 U/l and a transfusion need of < 2 units/month predicted a high probability of response to treatment, S-Epo > 500 U/l and =2 units/month for a poor response, whereas the presence of only one negative prognostic marker predicted an intermediate response. A total of 53 patients from a prospective study were included in our evaluation sample. Patients with good or intermediate probability of response were treated with G-CSF + Epo. The overall response rate was 42% with 28.3% achieving a complete and 13.2% a partial response to treatment. The response rates were 61% and 14% in the good and intermediate predictive groups respectively. The model retained a significant predictive value in the evaluation sample (P < 0.001). Median duration of response was 23 months. Scores for global health and quality of life (QOL) were significantly lower in MDS patients than in a reference population, and fatigue and dyspnoea was significantly more prominent. Global QOL improved in patients responding to treatment (P = 0.01). The validated decision model defined a subgroup of patients with a response rate of 61% (95% confidence interval 48-74%) to treatment with G-CSF + Epo. The majority of these patients have shown complete and durable responses.
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| 12. |
- Fehniger, Thomas E, et al.
(författare)
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Exploring the context of the lung proteome within the airway mucosa following allergen challenge.
- 2004
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Ingår i: Journal of Proteome Research. - : American Chemical Society (ACS). - 1535-3893 .- 1535-3907. ; 3:2, s. 307-320
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Forskningsöversikt (refereegranskat)abstract
- The lung proteome is a dynamic collection of specialized proteins related to pulmonary function. Many cells of different derivations, activation states, and levels of maturity contribute to the changing environment, which produces the lung proteome. Inflammatory cells reacting to environmental challenge, for example from allergens, produce and secrete proteins which have profound effects on both resident and nonresident cells located in airways, alveoli, and the vascular tree which provides blood cells to the parenchyma alveolar bed for gas exchange. In an experimental model of allergic airway inflammation, we have compared control and allergen challenged lung compartments to determine global protein expression patterns using 2D-gel electrophoresis and subsequent spot identification by MS/MS mass spectrometry. We have then specifically isolated the epithelial mucosal layer, which lines conducting airways, from control and allergen challenged lungs, using laser capture technology and performed proteome identification on these selected cell samples. A central component of our investigations has been to contextually relate the histological features of the dynamic pulmonary environment to the changes in protein expression observed following challenge. Our results provide new information of the complexity of the submucosa/epithelium interface and the mechanisms behind the transformation of airway epithelium from normal steady states to functionally activated states.
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| 18. |
- Loden, M, et al.
(författare)
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A double-blind study comparing the effect of glycerin and urea on dry, eczematous skin in atopic patients
- 2002
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Ingår i: Acta Dermato-Venereologica. - : Medical Journals Sweden AB. - 0001-5555 .- 1651-2057. ; 82:1, s. 45-47
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Tidskriftsartikel (refereegranskat)abstract
- Moisturizing creams have beneficial effects in the treatment of dry, scaly skin, but they may induce adverse skin reactions. In a randomized double-blind study, 197 patients with atopic dermatitis were treated with one of the following: a new moisturizing cream with 20% glycerin, its cream base without glycerin as placebo, or a cream with 4% urea and 4% sodium chloride. The patients were asked to apply the cream at least once daily for 30 days. Adverse skin reactions and changes in skin dryness were assessed by the patient and a dermatologist. Adverse skin reactions such as smarting (a sharp local superficial sensation) were felt significantly less among patients using the 20% glycerin cream compared with the urea-saline cream, because 10% of the patients judged the smarting as severe or moderate when using glycerin cream, whereas 24% did so using urea-saline cream (p
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- Agaton, C., et al.
(författare)
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Affinity proteomics for systematic protein profiling of chromosome 21 gene products in human tissues
- 2003
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Ingår i: Molecular & Cellular Proteomics. - 1535-9476 .- 1535-9484. ; 2, s. 405-
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Tidskriftsartikel (refereegranskat)abstract
- Here we show that an affinity proteomics strategy using affinity-purified antibodies raised against recombinant human protein fragments can be used for chromosome-wide protein profiling. The approach is based on affinity reagents raised toward bioinformatics-designed protein epitope signature tags corresponding to unique regions of individual gene loci. The genes of human chromosome 21 identified by the genome efforts were investigated, and the success rates for de novo cloning, protein production, and antibody generation were 85, 76, and 56%, respectively. Using human tissue arrays, a systematic profiling of protein expression and subcellular localization was undertaken for the putative gene products. The results suggest that this affinity proteomics strategy can be used to produce a proteome atlas, describing distribution and expression of proteins in normal tissues as well as in common cancers and other forms of diseased tissues.
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| 26. |
- Axe, Philip, et al.
(författare)
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Hydrografi/hydrokemi
- 2003
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Under den första halvan av året uppvisade ytvattnet i båda bassängerna temperaturer som låg under eller mycket under medelvärdet för jämförelseperioden 1991–2000. Ytvattnet i Bottenviken uppvisar en mycket liten mellanårsvariation, bl.a. eftersom det fryser vid ~ -0,3 ºC . Som ett resultat av den varma sommaren steg temperaturerna i båda bassängerna under juli och augusti. Efter detta höll sig temperaturerna i ytvattnet över det normala till slutet på september. Året avslutades med att temperaturerna i ytvattnet sjönk till jämförelseperiodens värden eller något lägre under årets sista två månader. Som mest var temperaturen i båda bassängernas ytvatten ~6ºC högre än medeltemperaturen för perioden och den lägsta temperaturen i ytvattnet var ~2ºC under medelvärdet. För djupvattnet tenderar temperaturen generellt att vara något mer konstant än i ytan. Årstidsvariationen i Bottenhavets djupvattnet motsvarade 0,8ºC (max.-min.). Motsvarande årstidsvariation för Bottenviken var ~2ºC. För Bottenhavet låg temperaturen ca en standardavvikelse lägre än medelvärdet för perioden under hela året. I Bottenviken, däremot, var temperaturen i djupvattnet generellt högre än medelvärdet för perioden. Variationen var större än i Bottenhavet, dock inte större än en standardavvikelse från medelvärdet för perioden.
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| 28. |
- Bjerkebæk-Lindberg, Amund E., et al.
(författare)
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Hydrografi/hydrokemi
- 2002
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Under de första fyra månaderna var ytvattentemperaturen i både Bottenviken och Bottenhavet inom den normala variationen för jämförelseperioden 1991–2002. När sedan den onormalt varma sommaren inträffade steg temperaturen i ytvattnet kraftigt. Ökningen blev betydligt högre i Bottenhavet än i Bottenviken. I Bottenhavet var ytvattentemperaturen under sommarens varmaste period 6º högre än medeltemperaturenför den aktuella jämförelseperioden. De högsta temperaturerna uppnåddes under mitten och slutet av augusti månad i båda havsbassängerna. Även slutet av året blev onormalt, eftersom kylan kom tidigt. I ytvattnet blev det en mycket snabb avkylning i båda bassängerna, vilket visades i ytvattentemperaturerna för december, vilka var 1–2º under jämförelseperiodens medeltemperatur. Trots de onormala lufttemperaturerna under år 2002 stämmer ändå erna under år 2002 stämmer ändå medelvärdet för hela året väl överens med jämförelseperioden.
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| 35. |
- Elmasry, A., et al.
(författare)
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Obstructive sleep apnoea and urine catecholamines in hypertensive males: a population-based study
- 2002
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Ingår i: Eur Respir J. ; 19:3
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Tidskriftsartikel (refereegranskat)abstract
- Studies addressing the relationship between obstructive sleep apnoea (OSA) and sympathoadrenal activity have been criticized for poor control of factors known to confound sympathetic function, including hypertension. The aim of this study was to investigate the relationship between OSA and urinary catecholamines in a population-based sample of hypertensive males. In 1994, 2,668 males aged 40-79 yrs answered a questionnaire regarding sleep disorders and somatic diseases. Of those who reported hypertension, an age-stratified sample of 116 was selected for monitoring of breathing during sleep and overnight urine analysis. Subjects with OSA, defined as apnoea-hypopnoea index > or = 10 x h(-1), had higher concentrations of urinary normetanephrine (182+/-57 versus 141+/-45 micromol x mol(-1) creatinine, p<0.001) and metanephrine (70+/-28 versus 61+/-28 micromol mol(-1) creatinine, p<0.05) in comparison to subjects without OSA. In a multiple regression analysis, there was an association between variables of sleep-disordered breathing and normetanephrine and metanephrine concentrations, independent of major confounding factors. The authors concluded that, in a population-based sample of hypertensive males, obstructive sleep apnoea is associated with increased urinary concentrations of extraneuronal metabolites of catecholamines independent of major confounding factors, suggesting increased sympathoadrenal activity. Elevated sympathoadrenal activity may explain the increased cardiovascular morbidity associated with obstructive sleep apnoea.
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