Moreover, the loss of cell metastatic potential was rescued by overexpression of MMP13 completely. Collectively, our findings indicate that MUC1 contributes to ESCC metastasis by stimulating MMP13 expression, suggesting MUC1 as a novel diagnostic biomarker and therapeutic target in ESCC. Laboratory Investigation (2011) 91, 778-787; doi:10.1038/labinvest.2011.12; published online 21 February 2011″
“This
study describes a rapid and sensitive analytical method for the determination of amino acids in foods and drinks. The method entailed dilution or extraction of amino acids from foods using the mixture of acetonitrile and 0.1% aqueous formic acid (50:50, v/v). Chromatographic separation of underivatized amino acids was performed using a hydrophilic interaction liquid chromatography within a runtime of 6 min. Both hydrophobicity and charge of the side chain played important roles on the elution order of amino acids Panobinostat price under the chromatographic conditions. High-resolution mass spectrometry allowed qualitative and quantitative detection of amino acids in complex food matrices. Its response was found linear over a concentration range of 0.25-10 mu g/ml. The method could be successfully applied to various foods and drinks to profile individual amino acids. Mean percentage recoveries of amino
acids from different matrices were 88.5% or higher Selleckchem CYT387 with residual standard deviation of less than 5.0%.”
“Using PCR on aborted foetal material, Coxiella burnetii infection was confirmed as the cause of abortions in a dairy goat herd with over 1000 adults. Ninety-five (22%) abortions and 355 normal births were recorded from 440 goats over 2 months. The herd was sampled three times in 6 months to look at the within-herd seroprevalence, with the 1st visit done 24 days after the last recorded abortion. The true seroprevalence in the herd was 79.2%,
66.5% and 45.7% on each of these visits, but introduction of a group of young goats prior to the 3d visit influenced these results. Using PCR, widespread environmental contamination was demonstrated in surface dust, bedding, muck heaps, milk, bird droppings and YH25448 Protein Tyrosine Kinase inhibitor drinking water in the goat shed. MST and MLVA analysis showed the C burnetii from this outbreak to be of a genotype previously observed in the UK and different from those recorded in the Netherlands outbreak of 2007-2011. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.”
“Background: Piperacillin, unlike other antibiotics, rarely causes immediate allergic reactions. Only two cases related to occupational exposure are reported in the literature. Objectives: Adoption of new methods for diagnosis of occupational allergy to drugs. Methods: An atopic nurse, aged 30 years, was referred to our hospital for an allergic work-related reaction to piperacillin. The patient had suffered two successive episodes with immediate cutaneous reaction, angioedema and dyspnoea after preparing piperacillin.