Project description:Regulation of gene expression is essential for normal development and cellular growth. Transcriptional events are tightly controlled both spatially and temporally by specific DNA-protein interactions. In this study we finely map the genome-wide targets of the CREB protein across all known and predicted human promoters, and characterize the functional consequences of a subset of these binding events using high-throughput reporter assays. To measure CREB binding, we used HaloCHIP, an antibody-free alternative to the ChIP method that utilizes the HaloTag fusion protein, and also high-throughput promoter-luciferase reporter assays, which provide rapid and quantitative screening of promoters for transcriptional activation or repression in living cells.
Project description:In this manuscript we describe our work on the development of a label-free chemoproteomics screening platform for cysteine reactive covalent fragments on a 96 well plate format. This platform profiles cysteine reactive fragments by competition with the hyper-reactive iodoacetamide desthiobiotin (IA-DTB) in cell lysates and live cells. We employ label free quantification and data independent acquisition (DIA) on an Evosep One – Bruker timsTOF Pro. In this submission we report this use of global proteomics to explore protein expression in HEK293T.
Project description:To investigate the rapid adaptation mechanism of Bacillus thuringiensis in an alkaline environment, we have employed whole genome microarray expression profiling as a discovery platform to identify the difference of gene expression between normal condition and alkaline condition.
Project description:Regulation of gene expression is essential for normal development and cellular growth. Transcriptional events are tightly controlled both spatially and temporally by specific DNA-protein interactions. In this study we finely map the genome-wide targets of the CREB protein across all known and predicted human promoters, and characterize the functional consequences of a subset of these binding events using high-throughput reporter assays. To measure CREB binding, we used HaloCHIP, an antibody-free alternative to the ChIP method that utilizes the HaloTag fusion protein, and also high-throughput promoter-luciferase reporter assays, which provide rapid and quantitative screening of promoters for transcriptional activation or repression in living cells. CREB ChIP-chip two biologcal replicates. HaloCHIP-chip three biological replicates with and without Forskolin
Project description:Dental pulp cells of cryopreserved teeth (slow and rapid speed) were examined with microarray for screening which gene is involve in the inflammation process during the cryopreservation process. Intact caries-free, freshly extracted premolars (n=6) were collected from 3 patients for microarray assay analysis. They were classified as control and cryopreserved groups. Cryopreserved groups were divided into rapid freezing and slow freezing group.