نتایج جستجو برای: 19 new variant
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The discovery of three individuals suspected to have contracted variant Creutzfeldt-Jakob disease (vCJD) through blood transfusions has heightened concerns that a secondary epidemic via human-to-human transmission could occur in the UK. The Department of Health responded immediately to this threat by banning those who had received blood transfusions since 1980 from donating blood. In this paper...
INTRODUCTION Suboptimal decision-making is a feature in the initiation and maintenance of substance use, often manifested in choosing for short-term benefits rather than long-term gain, and the failure to display cognitive flexibility, respectively. Studies of nicotine users typically focus on characterizing those who are already addicted; less is known about decision-making in former smokers. ...
BACKGROUND Glycohemoglobin (gHb), measured as hemoglobin (Hb) A(1c) or as total gHb, provides a common means for assessing long-term glycemic control in individuals with diabetes mellitus. Genetic variants and chemically modified derivatives of Hb can profoundly affect the accuracy of these measurements, although effects vary considerably among commercially available methods. The prevalence of ...
Based on the neutral theory of molecular evolution and polymorphism, and particularly assuming "the model of infinite alleles," a method is proposed which enables us to estimate the fraction of selectively neutral alleles (denoted by Pneut) among newly arisen mutations. It makes use of data on the distribution of rare variant alleles in large samples together with information on the average het...
S. Köhler, J. Maier, K. Hiller, A. Haase, P. M. Jakob Physikalisches Institut, EP5, Wuerzburg, Germany Synopsis The purpose of the present study is to investigate the sensitivity of TrueFISP to mesoscopic field inhomogeneities and to analyse the effect of intravoxel dephasing in TrueFISP sequences compared to conventional gradient echo experiments. Numerical simulations on different off-resonan...
Introduction Although Creutzfeldt-Jakob disease (CJD) is rare, its rapid course, its infection control implications and the link between bovine spongiform encephalopathy and variant Creutzfeldt-Jakob disease (vCJD) make this disease relevant to all clinicians. The emergence of vCJD has prompted an explosion in the amount of research into the disorder, leading to new developments in both diagnos...
Host prion (PrPC) genotype is a major determinant for the susceptibility to prion diseases. The Q/K222-PrPC polymorphic variant provides goats and mice with high resistance against classical scrapie and bovine spongiform encephalopathy (BSE); yet its effect against atypical scrapie is unknown. Here, transgenic mice expressing the goat wild-type (wt) or the K222-PrPC variant were intracerebrally...
BACKGROUND Evidence of risk of Creutzfeldt-Jakob disease (CJD) associated with medical procedures, including surgery and blood transfusion, is limited by susceptibility to bias in epidemiological studies. METHODS Sensitivity to bias was explored using a central-birth-cohort model using data from 18 case-control studies obtained after a review of 494 reports on medical procedures and risk of C...
The LRRK2 gene has been associated with both familial and sporadic forms of Parkinson's disease (PD). The G2019S variant is commonly found in North African Arab and Caucasian PD patients, but this locus is monomorphic in Asians. The G2385R and R1628P variants are associated with a higher risk of developing PD in certain Asian populations but have not been studied in the Malaysian population. Th...
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