Although cosmetic tanning and unprotected solar exposure are common, little is known about general attitudes, beliefs and behaviour regarding the use of sunbeds. We sought to determine the frequency of sunbeds use in a select sample and to assess the knowledge and beliefs regarding this behaviour. A self-administered anonymous questionnaire was distributed to a sample of 648 employees work for Bradford Hospitals NHS Trust. The questionnaire explored demographic information (including hair and skin type, family history with skin cancer), frequency of sunbeds use, knowledge about the risks of UV exposure and motivations for practising this behaviour. Four hundred and eighteen women and 52 men completed the questionnaire, making a response rate of 73%. Nearly half of respondents (207; 44%) reported using sunbeds to some extent; of those 12% reported frequent use. Appearance ('to look better') was the most popular reason given by respondents for using sunbeds, followed by 'feel healthy'. Frequency of using sunbeds was found to be negatively correlated with the age of respondents and the existence of family experience with skin cancer, and strongly associated with the opinion that it is safer to use a sunbed than subathing outdoors, the female sex and smoking. It is clear from this study that the psychological factors that influence sunbeds use are complex and that so far public education campaigns have had little impact on it. This study highlights some of these psychological factors.
WDR5 is a broadly studied, highly conserved protein involved in a wide array of biological functions. Among these functions, WDR5 is a part of several protein complexes that affect gene regulation via post-translational modification of histones. Here, we present data from ten unrelated individuals with six different rare de novo missense variants in WDR5; one identical variant was found in four individuals, and another variant in two individuals. All ten individuals had neurodevelopmental disorders including speech/language delays (N=10), intellectual disability (N=8), epilepsy (N=6) and autism spectrum disorder (N=4). Additional phenotypic features included abnormal growth parameters (N=6), heart anomalies (N=2) and hearing loss (N=2). All six missense variants occurred in regions of the WDR5 locus that are known to be extremely intolerant for variation. Three-dimensional structures indicate that all the residues affected by these variants are located at the surface of one side of the WDR5 protein. It is predicted that five out of the six amino-acid substitutions disrupt interactions of WDR5 with RbBP5 and/or KMT2A/C, as part of the COMPASS family complexes. Thus, we define a new neurodevelopmental disorder associated with missense variants in WDR5 and a broad range of associated features including intellectual disability, speech/language impairments, epilepsy and autism spectrum disorders. This finding highlights the important role of COMPASS family proteins in neurodevelopmental disorders.
In a clinical study of 49 patiellts with acute ischemic heart disease poor success rates from ventricular defibrillatio n were associated with a low dominant frequency of ventricular fibrilla tion (generally < 5 Hz) as determined by Fast Fourier Transform analysis of the body surface ECG. Experimental studies in the dog al/d pig are in accord with these observatiolls, al/d indicate that the dominant frequency of velltricular fibrillation is reduced both by a lollg duration of fibrillotioll in a 1I0rmai heart, alld by some causes of velltriculor fibrillation (ouabain or potassium toxicity in the dog, secolldary fibrillatioll ill mall).
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