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MOTIVATION In this work, we aim to develop a computational approach for predicting DNA-binding sites in proteins from amino acid sequences. To avoid overfitting with this method, all available DNA-binding proteins from the Protein Data Bank (PDB) are used to construct the models. The random forest (RF) algorithm is used because it is fast and has robust(More)
The identification of RNA-binding residues in proteins is important in several areas such as protein function, posttranscriptional regulation and drug design. We have developed PRBR (Prediction of RNA Binding Residues), a novel method for identifying RNA-binding residues from amino acid sequences. Our method combines a hybrid feature with the enriched(More)
BACKGROUND/AIMS Melatonin, synthesized by the pineal gland and released into the blood, appears to have antitumour properties; however, the mechanisms of its anti-cancer effects are largely unknown, especially in stomach cancer. Here, we explore the antitumour activity of melatonin in a gastric cancer cell line (AGS) and analyse its molecular mechanisms. (More)
DNA-binding proteins are fundamentally important in understanding cellular processes. Thus, the identification of DNA-binding proteins has the particularly important practical application in various fields, such as drug design. We have proposed a novel approach method for predicting DNA-binding proteins using only sequence information. The prediction model(More)
PM2.5 refers to particulate matter (PM) in air that is less than 2.5 μm in aerodynamic diameter, which has negative effects on air quality and human health. PM2.5 is the main pollutant source in haze occurring in Beijing, and it also has caused many problems in other cities. Previous studies have focused mostly on the relationship between land use and air(More)
OBJECTIVES This study aims to investigate the relationship between the protective effects of melatonin in pancreas and the expression of sarco/endoplasmic reticulum Ca(2+)-ATPase (SERCA) and Na(+)/Ca(2+) exchanger (NCX) in rats with acute necrotizing pancreatitis (ANP), to verify whether melatonin ameliorates ANP by alleviating calcium overload. METHODS(More)
We read with interest the article by Abu El Makarem MA et al. (1) entitled, " Platelet count/bipolar spleen diameter ratio for the prediction of esophageal varices: The special Egyptian situation. " This study evaluated noninvasive predictors of esophageal varices in cirrhotic patients by multivariate logistic regression and receiver operating(More)
The available prognostic scoring systems for acute pancreatitis have limitations that restrict their clinical value. To develop a decision model based on classification and regression tree (CART) analysis for the prediction of severe acute pancreatitis (SAP). A total of 420 patients with acute pancreatitis were enrolled. Study participants were randomly(More)