Institutt for medisinsk biologi: Recent submissions
Now showing items 881-900 of 1201
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Plasma levels of apolipoprotein-E in residents of the European North of Russia
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Background: Apolipoprotein-E (apoE) is one of the metabolically active apoproteins and plays an important role in lipid metabolism. However, there are no data on levels of apoE in residents of the North in spite of the fact that specific features of lipid metabolism in the northerners are described. The present work was designed to study plasma levels of apoE in residents of the European North ... -
Cancer mortality in the indigenous population of coastal Chukotka, 1961–1990
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Objectives. The general aim was to assess the pattern and trend in cancer mortality among the indigenous people of coastal Chukotka during the period 1961 1990. Methods. All cases of cancer deaths of indigenous residents of the Chukotsky district in the northeasternmost coast of Chukotka Autonomous Okrug were copied from personal death certificates. There were a total of 219 cancer deaths during ... -
Mediterranean Dietary Pattern and Risk of Breast Cancer
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Background: A Mediterranean diet has a recognized beneficial effect on health and longevity, with a protective influence on several cancers. However, its association with breast cancer risk remains unclear. Objective: We aimed to investigate whether adherence to a Mediterranean dietary pattern influences breast cancer risk. Design: The Swedish Women’s Lifestyle and Health cohort study includes ... -
Are Patient Views about Antibiotics Related to Clinician Perceptions, Management and Outcome? A Multi-Country Study in Outpatients with Acute Cough
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Background: Outpatients with acute cough who expect, hope for or ask for antibiotics may be more unwell, benefit more from antibiotic treatment, and be more satisfied with care when they are prescribed antibiotics. Clinicians may not accurately identify those patients. Objective: To explore whether patient views (expecting, hoping for or asking for antibiotics) are associated with illness presentation ... -
Do not be fooled by fancy mutations: inflammatory fibroid polyps can be harbor mutations similar to those found in GIST
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Goal. Surgeons that remove a typical polyp from the stomach or small intestine should be reluctant to accept a diagnosis of GIST just because there is a mutation in platelet-derived growth factor receptor alfa (PDGFRA). Background. A subtype of gastric and intestinal polyps is denoted as inflammatory fibroid polyp (IFP). In some of these cases a mutation in PDGFRA is found, leading to the diagnosis ... -
Acupuncture Adverse Events in China: A Glimpse of Historical and Contextual Aspects
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)The article by He and colleagues, ‘‘Adverse Events Following Acupuncture: A Systematic Review of the Chinese Literature for the Years 1956–2010’’ is an important and timely contribution. In this commentary, the article is reviewed and issues are highlighted about how to interpret and contextualize the results of their study. While their review has been well performed, certain areas have been ... -
Nuclear group I introns in self-splicing and beyond
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Group I introns are a distinct class of RNA self-splicing introns with an ancient origin. All known group I introns present in eukaryote nuclei interrupt functional ribosomal RNA genes located in ribosomal DNA loci. The discovery of the Tetrahymena intron more than 30 years ago has been essential to our understanding of group I intron catalysis, higher-order RNA structure, and RNA folding, but ... -
Assessment of Cancer Therapy-Induced Oral Mucositis Using a Patient-Reported Oral Mucositis Experience Questionnaire
(Journal article; Tidsskriftartikkel; Peer reviewed, 2014)Objectives Treatment of oral mucositis (OM) is challenging. In order to develop and test useful treatment approaches, the development of reliable, reproducible and simpler methods than are currently available for assessment of OM is important. A Patient-Reported Oral Mucositis Symptom (PROMS) scale was assessed in patients with head and neck cancer to determine if the patient-reported OM experience, ... -
Acupoint Stimulation for Fibromyalgia: A Systematic Review of Randomized Controlled Trials
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Background. Acupoint stimulation is popular for treatment of fibromyalgia though there is lack of comprehensive evaluation of current clinical evidence for its effect and safety. Objective. To systematically review the beneficial effects and safety of acupoint stimulation for fibromyalgia. Methods. We searched six electronic databases for randomized trials on acupoint stimulation for treatment ... -
Crystal Structures of Pseudomonas aeruginosa GIM-1: Active-Site Plasticity in Metallo-beta-Lactamases
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Metallo- -lactamases (MBLs) have rapidly disseminated worldwide among clinically important Gram-negative bacteria and have challenged the therapeutic use of -lactam antibiotics, particularly carbapenems. The blaGIM-1 gene, encoding one such enzyme, was first discovered in a Pseudomonas aeruginosa isolate from 2002 and has more recently been reported in Enterobacteriaceae. Here, we present crystal ... -
Hepatic disposal of advanced glycation end products during maturation and aging
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Aging is characterized by progressive loss of metabolic and biochemical functions and accumulation of metabolic by-products, including advanced glycation end products (AGEs), which are observed in several pathological conditions. A number of waste macromolecules, including AGEs are taken up from the circulation by endocytosis mainly into liver sinusoidal endothelial cells (LSECs) and Kupffer cells ... -
Reproductive factors and risk of hormone receptor positive and negative breast cancer: a cohort study.
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Background The association of reproductive factors with hormone receptor (HR)-negative breast tumors remains uncertain. Methods Within the EPIC cohort, Cox proportional hazards models were used to describe the relationships of reproductive factors (menarcheal age, time between menarche and first pregnancy, parity, number of children, age at first and last pregnancies, time since last full-term ... -
Is a high level of general practitioner consultations associated with low outpatients specialist clinic use? A cross-sectional study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Objective: To examine if increased general practice activity is associated with lower outpatient specialist clinic use. Design: Cross-sectional population based study. Setting: All 430 Norwegian municipalities in 2009. Participants: All Norwegians aged ≥65 years (n=721 915; 56% women—15% of the total population). Main outcome measure: Specialised care outpatient clinic consultations per 1000 ... -
Obesity and Staphylococcus aureus Nasal Colonization among Women and Men in a General Population
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Background: Obesity and diabetes mellitus (DM) have been linked to increased risk of infections, and Staphylococcus aureus nasal colonization is a major risk factor for developing infections with the microbe. We therefore sought to find whether body mass index (BMI) and waist circumference (WC) could be associated with S. aureus colonization independent of DM. Methodology: S. aureus colonization ... -
Smoking duration before first childbirth: an emerging risk factor for breast cancer? Results from 302,865 Norwegian women
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Purpose: Recently, The International Agency for Research on Cancer classified cigarette smoking as possibly carcinogenic to the human breast. Since some new cohort studies have suggested that this risk is confined to women who started to smoke before first childbirth, we wanted to examine the association between smoking and breast cancer, with a focus on time of smoking initiation in relation to the ... -
A Phylogenetic Study of SPBP and RAI1: Evolutionary Conservation of Chromatin Binding Modules
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Our genome is assembled into and array of highly dynamic nucleosome structures allowing spatial and temporal access to DNA. The nucleosomes are subject to a wide array of post-translational modifications, altering the DNAhistone interaction and serving as docking sites for proteins exhibiting effector or “reader” modules. The nuclear proteins SPBP and RAI1 are composed of several putative “reader” ... -
Characterisation of the Plasmidome within Enterococcus faecalis Isolated from Marginal Periodontitis Patients in Norway
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)The present study aimed to identify and characterize plasmids in a national collection of oral Enterococcus faecalis (n = 106) isolated from patients with marginal periodontitis. Plasmid replicon typing was performed by multiplex-PCR and sequencing with specific primers for 18 rep-families and 1 unique sequence. Additional plasmid analysis by S1-PFGE was performed for comparison. Totally 120 plasmid ... -
Which Sámi? Sámi inclusion criteria in population-based studies of Sámi health and living conditions in Norway - an exploratory study exemplified with data from the SAMINOR study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Background: In a situation where national censuses do not record information on ethnicity, studies of the indigenous Sámi people’s health and living conditions tend to use varying Sámi inclusion criteria and categorizations. Consequently, the basis on which Sámi study participants are included and categorized when Sámi health and living conditions are explored and compared differs. This may influence ... -
Body mass index at age 20 and subsequent childbearing: The Adventist Health Study-2.
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Background: Some epidemiological, clinical, and laboratory studies suggest that underweight and obesity impact fertility. Methods: This is cross-sectional study of 33,159 North American Adventist women, who were nulliparous at age 20 years and who, as a group, have a healthy lifestyle. Logistic regression analysis was used to assess how body mass index (BMI, kg/m2) at age 20 was related to never ... -
Homology modeling and ligand docking of Mitogen-activated protein kinase-activated protein kinase 5 (MK5)
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)Background: Mitogen-activated protein kinase-activated protein kinase 5 (MK5) is involved in one of the major signaling pathways in cells, the mitogen-activated protein kinase pathway. MK5 was discovered in 1998 by the groups of Houng Ni and Ligou New, and was found to be highly conserved throughout the vertebrates. Studies, both in vivo and in vitro, have shown that it is implicated in tumor ...