SummaryThis review summarizes key findings from nine systematic reviews on atopic eczema (AE) published or first indexed in 2014. It focuses on epidemiology, disease processes and methodological issues. There is reasonable evidence to conclude that high birth weight (> 4000 g) is a risk factor for the development of AE. A lower socioeconomic position is associated with lower prevalence of AE. The effect of exposure to traffic-related air pollution in childhood on the development of AE is uncertain. CD14 polymorphisms do not appear to have an effect in AE. There may be a role for interleukin-18 in AE development. Patients with AE are at decreased risk of brain tumours, but at increased risk of developing attention deficit hyperactivity disorder. Evidence supports the view that normal-appearing skin in AE is in fact structurally abnormal. Lower success rates at inducing remission in AE are associated with increased risk of relapse during long-term follow-up. The Eczema Area Severity Index (EASI) has been agreed as the preferred core instrument to measure clinical signs in future research. There remains a lack of consensus on the definition of an AE flare.
SummaryThis review forms part of a series of annual updates that summarize the evidence base for atopic eczema (AE). It provides a summary of key findings from 12 systematic reviews (SRs) that were published or indexed during 2014, and focuses on the treatment and prevention of AE. For an update of SRs on the epidemiology, mechanisms of disease and methodological issues, see Part 1 of this update. Although phototherapy and various systemic medications (including ciclosporin, azathioprine and methotrexate) are commonly used to treat AE, many of these have not been robustly assessed in head-to-head randomized controlled trials. Educational interventions may improve AE severity and quality of life for children and their families. Intake of probiotics prenatally and postnatally may help prevent AE, but there is little evidence to suggest a role in the treatment of AE. Although no benefit was found for allergen avoidance in preventing AE, the use of immunotherapy to treat AE-associated aeroallergen sensitivity requires further evaluation. There is insufficient evidence for Vitamin D supplementation for the treatment of AE This overview of reviews provides a succinct guide for clinicians and patients wishing to remain up to date with the most recent evidence for the treatment and prevention of AE.
Adrenocortical cancer is an aggressive endocrine malignancy with an incidence of 0.72 to 1.02 per million people/year, and a very poor prognosis with a five-year survival rate of 22%. As an orphan disease, clinical data are scarce, meaning that drug development and mechanistic research depend especially on preclinical models. While a single human ACC cell line was available for the last three decades, over the last five years, many new in vitro and in vivo preclinical models have been generated. Herein, we review both in vitro (cell lines, spheroids, and organoids) and in vivo (xenograft and genetically engineered mouse) models. Striking leaps have been made in terms of the preclinical models of ACC, and there are now several modern models available publicly and in repositories for research in this area.
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