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| 2. |
- Bentham, James, et al.
(författare)
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A century of trends in adult human height
- 2016
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Ingår i: eLIFE. - 2050-084X. ; 5
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Tidskriftsartikel (refereegranskat)abstract
- Being taller is associated with enhanced longevity, and higher education and earnings. We reanalysed 1472 population-based studies, with measurement of height on more than 18.6 million participants to estimate mean height for people born between 1896 and 1996 in 200 countries. The largest gain in adult height over the past century has occurred in South Korean women and Iranian men, who became 20.2 cm (95% credible interval 17.522.7) and 16.5 cm (13.319.7) taller, respectively. In contrast, there was little change in adult height in some sub-Saharan African countries and in South Asia over the century of analysis. The tallest people over these 100 years are men born in the Netherlands in the last quarter of 20th century, whose average heights surpassed 182.5 cm, and the shortest were women born in Guatemala in 1896 (140.3 cm; 135.8144.8). The height differential between the tallest and shortest populations was 19-20 cm a century ago, and has remained the same for women and increased for men a century later despite substantial changes in the ranking of countries.
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| 3. |
- Bentham, James, et al.
(författare)
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A century of trends in adult human height
- 2016
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Ingår i: eLIFE. - : eLife Sciences Publications Ltd. - 2050-084X. ; 5
-
Tidskriftsartikel (refereegranskat)abstract
- Being taller is associated with enhanced longevity, and higher education and earnings. We reanalysed 1472 population-based studies, with measurement of height on more than 18.6 million participants to estimate mean height for people born between 1896 and 1996 in 200 countries. The largest gain in adult height over the past century has occurred in South Korean women and Iranian men, who became 20.2 cm (95% credible interval 17.5–22.7) and 16.5 cm (13.3– 19.7) taller, respectively. In contrast, there was little change in adult height in some sub-Saharan African countries and in South Asia over the century of analysis. The tallest people over these 100 years are men born in the Netherlands in the last quarter of 20th century, whose average heights surpassed 182.5 cm, and the shortest were women born in Guatemala in 1896 (140.3 cm; 135.8– 144.8). The height differential between the tallest and shortest populations was 19-20 cm a century ago, and has remained the same for women and increased for men a century later despite substantial changes in the ranking of countries.
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| 4. |
- Lundgren, Markus, et al.
(författare)
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Analgesic antipyretic use among young children in the TEDDY study : No association with islet autoimmunity
- 2017
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Ingår i: BMC Pediatrics. - : Springer Science and Business Media LLC. - 1471-2431. ; 17:1
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Tidskriftsartikel (refereegranskat)abstract
- Background: The use of analgesic antipyretics (ANAP) in children have long been a matter of controversy. Data on their practical use on an individual level has, however, been scarce. There are indications of possible effects on glucose homeostasis and immune function related to the use of ANAP. The aim of this study was to analyze patterns of analgesic antipyretic use across the clinical centers of The Environmental Determinants of Diabetes in the Young (TEDDY) prospective cohort study and test if ANAP use was a risk factor for islet autoimmunity. Methods: Data were collected for 8542 children in the first 2.5 years of life. Incidence was analyzed using logistic regression with country and first child status as independent variables. Holm's procedure was used to adjust for multiplicity of intercountry comparisons. Time to autoantibody seroconversion was analyzed using a Cox proportional hazards model with cumulative analgesic use as primary time dependent covariate of interest. For each categorization, a generalized estimating equation (GEE) approach was used. Results: Higher prevalence of ANAP use was found in the U.S. (95.7%) and Sweden (94.8%) compared to Finland (78.1%) and Germany (80.2%). First-born children were more commonly given acetaminophen (OR 1.26; 95% CI 1.07, 1.49; p = 0.007) but less commonly Non-Steroidal Anti-inflammatory Drugs (NSAID) (OR 0.86; 95% CI 0.78, 0.95; p = 0.002). Acetaminophen and NSAID use in the absence of fever and infection was more prevalent in the U.S. (40.4%; 26.3% of doses) compared to Sweden, Finland and Germany (p < 0.001). Acetaminophen or NSAID use before age 2.5 years did not predict development of islet autoimmunity by age 6 years (HR 1.02, 95% CI 0.99-1.09; p = 0.27). In a sub-analysis, acetaminophen use in children with fever weakly predicted development of islet autoimmunity by age 3 years (HR 1.05; 95% CI 1.01-1.09; p = 0.024). Conclusions: ANAP use in young children is not a risk factor for seroconversion by age 6 years. Use of ANAP is widespread in young children, and significantly higher in the U.S. compared to other study sites, where use is common also in absence of fever and infection.
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| 5. |
- Ekstrom, Klas, et al.
(författare)
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Tissue IGF-I Measured by Microdialysis Reflects Body Glucose Utilization After rhIGF-I Injection in Type 1 Diabetes
- 2015
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Ingår i: Journal of Clinical Endocrinology and Metabolism. - : ENDOCRINE SOC. - 0021-972X .- 1945-7197. ; 100:11, s. 4299-4306
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Tidskriftsartikel (refereegranskat)abstract
- Context: Type 1 diabetes is associated with portal insulin deficiency and disturbances in the GH-IGF axis including low circulating IGF-I and GH hypersecretion. Whether peripheral hyperinsulinemia and GH hypersecretion, which are relevant to the development of vascular complications, result in elevated tissue IGF-I remains unknown. Objective: The purpose of this study was to determine the relationship between whole-body glucose uptake and tissue IGF-I measured by microdialysis. Design: This was a single-blind placebo-controlled crossover study. Setting: The setting was a tertiary pediatric endocrine referral center. Participants: The participants were seven young male adults with type 1 diabetes. Intervention: After an overnight fast, a 6-h lasting euglycemic clamp was performed (constant insulin infusion at 0.5mU/kg x minute and variable glucose infusion rate [GIR]) and a subcutaneous injection of recombinant human (rh) IGF-I (120 mu g/kg) or saline was given after 2 hours. In parallel, tissue IGF-I levels were determined by microdialysis (md-IGF-I). Main Outcome Measures: md-IGF-I levels in muscle and subcutaneous fat, and GIR were determined. Results: md-IGF-I levels were detectable but unchanged after saline. After rhIGF-I, muscle and subcutaneous fat md-IGF-I increased during the second and third hour and then reached a plateau up to 10-fold higher than baseline (P less than .001). GIR was unchanged after saline, whereas it increased 2.5-fold concomitantly with the increase in md-IGF-I (P less than .0001). In contrast, serum IGF-I was increased already at 30 minutes after rhIGF-I and reached a plateau 2-fold above baseline (P less than .0001). Conclusion: We demonstrate that md-IGF-I measurements are valid and physiologically relevant by reflecting rhIGF-I-induced glucose uptake. Future studies should be conducted to elucidate the role of local tissue IGF-I in diabetic vascular complications.
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| 6. |
- Fonseca, Lars, 1963-
(författare)
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Det godkända fusket : Normförhandlingar i gymnasieskolans bedömningspraktiker
- 2014
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Education on behalf of social trust constitutes a central theme in all societies. Different forms of cheating and fraud have a negative impact on the bonds of social trust. The purpose of the thesis is to increase understanding of the scope for learning about the individual-society relationship as it finds expression in pedagogical practices involving norms relating to cheating. The established norms concerning school cheating are identified in group-based discussions involving Upper Secondary students and teachers.Students ascribe each other roles on the basis of the perceived capacity to produce school results and thereby also to justify the need for school cheating. In the norm negotiations a significant tolerance is shown towards cheating which is adjudged to be necessary, provided that a hierarchic, fair distribution of grades can be retained.The teachers perceive expectations of acting for goal fulfilment, in the form of good student grades, as based on economic arguments. Good student grades imply satisfied customers in a market exposed to competition and a strong market value for the individual school. From a critical viewpoint these norms are related to the contemporary, dominant neo-liberal principles of commercialisation and individualisation in social organisation.The school actors perceive, in accordance with stratified norm theory, the norms from economic systems of conduct as more strongly conditioning on conduct than those norms from political-administrative or socio-cultural conduct systems. The teachers are aware of expectations, in hidden concert and consent with other school stakeholders, to offer social approval for student cheating and sympathetic marking concerning the lowest grade for passing i.e. violation of rules, where this is necessary to meet the economic as well as political-administrative objectives that have been established.To be part of pedagogic practices involving school cheating implies learning to uncouple rules and practice, law and morality. Such a double agenda is incompatible with norms and ideals in official curricula as well as being destructive of the bonds of social trust; it thereby functions as a hidden curriculum.
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| 7. |
- Kappert, Kai, et al.
(författare)
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Highly Active Antiretroviral Therapy Attenuates Re-Endothelialization and Alters Neointima Formation in the Rat Carotid Artery After Balloon Injury
- 2006
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Ingår i: Journal of Acquired Immune Deficiency Syndromes. - : Ovid Technologies (Wolters Kluwer Health). - 1525-4135 .- 1944-7884. ; 43:4, s. 383-392
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Tidskriftsartikel (refereegranskat)abstract
- Highly active antiretroviral therapy (HAART) has led to a sustained decline of HIV-associated morbidity and mortality. HAART exhibits significant side effects, however, such as hyperlipidemia and hyperglycemia, which possibly contribute to accelerated atherosclerosis in HAART-treated patients. In addition, direct effects of HAART on vascular cells have been described, which may promote atherosclerotic lesion formation. The effects of HAART on balloon-induced neointima formation have not been studied previously. The rat carotid artery balloon model was used to evaluate the effects of HAART (lopinavir, ritonavir, lamivudine, and zidovudine) on neointima formation and endothelial recovery. Furthermore, the effects of concomitant administration of the 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitor rosuvastatin were investigated. HAART-treated animals displayed an increase in lesion size (neointima/media ratio: 1.14 +/- 0.32 vs. 1.31 +/- 0.20 in control vs. HAART; P < 0.05) and an impaired regenerative capacity of the endothelium, as indicated by reduction in endothelial regrowth from an adjacent undilated vessel segment 14 days after injury (re-endothelialization area: 8.29 +/- 1.45 mm vs. 5.09 +/- 0.53 mm in control vs. HAART; P < 0.05). When rosuvastatin was given in addition to HAART, these effects were not observed. In conclusion, HAART inhibited endothelial cell-mediated healing and promoted neointima formation after angioplasty in rats. These deleterious effects were attenuated by cotreatment with rosuvastatin, however. Our studies suggest that currently used drug regimens against HIV infection may lead to an increased risk for restenosis after percutaneous vascular interventions. Moreover, the findings indicate that the additional treatment with statins might counteract these adverse effects by HAART.
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