Blar i forfatter "Almås, Bjørg"

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    • Circulating sex-steroids and Staphylococcus aureus nasal carriage in a general female population 

      Stensen, Dina Benedicte Berg; Småbrekke, Lars; Olsen, Karina; Grimnes, Guri; Nielsen, Christopher Sivert; Sollid, Johanna U Ericson; Simonsen, Gunnar Skov; Almås, Bjørg; Furberg, Anne-Sofie (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-02)
      <p>Objective: <i>Staphylococcus aureus</i> is a major human pathogen, and nasal carriers have an increased risk for infection and disease. The exploration of host determinants for nasal carriage is relevant to decrease infection burden. Former studies demonstrate lower carriage prevalence in women and among users of progestin-only contraceptives. The aim of this study was to investigate the possible ...

    • Circulating sex-steroids and Staphylococcus aureus nasal carriage in a general male population 

      Stensen, Dina Benedicte Berg; Småbrekke, Lars; Olsen, Karina; Grimnes, Guri; Nielsen, Christopher Sivert; Ericson, Johanna U; Simonsen, Gunnar Skov; Almås, Bjørg; Furberg, Anne Sofie (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-22)
      Male sex is associated with higher risk of both colonisation and infection with Staphylococcus aureus (S. aureus). However, the role of sex-steroids in colonisation among men is largely unknown. Thus, the aim of this study was to investigate possible associations between circulating sex-steroids and nasal carriage of S. aureus in a general male population. The population-based Tromsø6 study (2007–2008) ...

    • Early menarche and other endocrine disrupting effects of per- and polyfluoroalkyl substances (PFAS) in adolescents from Northern Norway. The Fit Futures study 

      Averina, Maria; Huber, Sandra; Almås, Bjørg; Brox, Jan; Jacobsen, Bjarne K.; Furberg, Anne-Sofie; Grimnes, Guri (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-11-19)
      Background: Per- and polyfluoroalkyl substances (PFAS) comprise a large group of chemicals that are ubiquitous in the environment and include recognized persistent organic pollutants. The aim of this cross-sectional study was to investigate possible endocrine disrupting effects of different PFAS in adolescents. <p> <p>Methods: Serum concentrations of PFAS, thyroid, parathyroid and steroid hormones ...

    • Hormone references for ultrasound breast staging and endocrine profiling to detect female onset of puberty 

      Madsen, Andre; Bruserud, Ingvild Særvold; Bertelsen, Bjørn-Erik; Roelants, Mathieu; Oehme, Ninnie; Viste, Kristin; Bjerknes, Robert; Almås, Bjørg; Rosendahl, Karen; Mellgren, Gunnar; Sagen, Jørn V.; Juliusson, Petur Benedikt (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-09-22)
      <p><i>Context - </i>Application of ultrasound (US) to evaluate attainment and morphology of glandular tissue provides a new rationale for evaluating onset and progression of female puberty, but currently no hormone references complement this method. Furthermore, previous studies have not explored the predictive value of endocrine profiling to determine female puberty onset. <p><i>Objective - </i>To ...

    • Reference curves for pediatric endocrinology: leveraging biomarker z-scores for clinical classifications 

      Madsen, Andre; Almås, Bjørg; Bruserud, Ingvild Særvold; Oehme, Ninnie Helen Bakken; Nielsen, Christopher Sivert; Roelants, Mathieu; Hundhausen, Thomas Eckhard; Ljubicic, Marie Lindhardt; Bjerknes, Robert; Mellgren, Gunnar; Sagen, Jørn V.; Juliusson, Pétur Benedikt; Viste, Kristin (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-17)
      Context: Hormone reference intervals in pediatric endocrinology are traditionally partitioned by age and lack the framework for benchmarking individual blood test results as normalized z-scores and plotting sequential measurements onto a chart. Reference curve modeling is applicable to endocrine variables and represents a standardized method to account for variation with gender and age.<p> <p>Objective: ...

    • Vitamin D Status During Adolescence and the Impact of Lifestyle Changes: 2 Years’ Follow-up From the Fit Futures Study 

      Öberg, Eva Gunnel Johanna; Jorde, Rolf; Almås, Bjørg; Nielsen, Christopher Sivert; Gerds, Thomas Alexander; Cashman, Kevin D.; Grimnes, Guri (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-11-13)
      Context: Longitudinal data regarding vitamin D status in adolescence is scarce. This study presents population-based data from an Arctic adolescent population (n = 589) at 16 and 18 years. Objective: The aims of this study were to investigate changes in vitamin D status during 2 years in adolescence, and whether lifestyle changes were associated with serum 25-hydroxyvitamin D (s-25(OH)D) at follow-up. ...