Differential gene expression is facilitated by transcriptional regulatory mechanisms and chromatin modifications through DNA-protein interactions. One of the widely used assays to study this is chromatin immunoprecipitation (ChIP) assay, which enables analysis of association of regulatory molecules to specific promoters and histone modifications in vivo. This is of immense value as ChIP assays can provide glimpse of the regulatory mechanisms involved in gene expression in vivo. This article outlines the general strategies and protocols to study ChIP assays in differential recruitment of transcriptional factors (TFs) and also global analysis of transcription factor recruitment is discussed. Further, the applications of ChIP assays for discovering novel genes that are dependent on specific transcription factors were addressed.
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http://dx.doi.org/10.1007/978-1-61779-376-9_6 | DOI Listing |
Nanoscale Adv
January 2025
Microelectronics Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu PO Box 4500 90014 Finland
In this study, we show that on-chip grown, vertically aligned MoS films that are decorated with Ni(OH) catalyst are suitable materials to be applied as working electrodes in electrochemical sensing. The constructed sensors display a highly repeatable response to dopamine, used as a model analyte, in a large dynamic range from 1 μM to 1 mM with a theoretical detection limit of 0.1 μM.
View Article and Find Full Text PDFHeliyon
January 2025
Electrical and Computer Engineering, University of Canterbury, Christchurch, New Zealand.
Although the accumulation of random genetic mutations has been traditionally viewed as the main cause of cancer progression, altered mechanobiological profiles of the cells and microenvironment also play a major role as a mutation-independent element. To probe the latter, we have previously reported a microfluidic cell-culture platform with an integrated flexible actuator and its application for sequential cyclic compression of cancer cells. The platform is composed of a control microchannel in a top layer for introducing external pressure, and a polydimethylsiloxane (PDMS) membrane from which a monolithically-integrated actuator protrudes downwards into a cell-culture microchannel.
View Article and Find Full Text PDFNucleic Acids Res
January 2025
Bioinformatics Division, WEHI, Parkville, VIC 3052, Australia.
edgeR is an R/Bioconductor software package for differential analyses of sequencing data in the form of read counts for genes or genomic features. Over the past 15 years, edgeR has been a popular choice for statistical analysis of data from sequencing technologies such as RNA-seq or ChIP-seq. edgeR pioneered the use of the negative binomial distribution to model read count data with replicates and the use of generalized linear models to analyze complex experimental designs.
View Article and Find Full Text PDFJ Neuroinflammation
January 2025
Lanzhou University Second Hospital, 82 Cui-Ying-Men, Lanzhou, 730030, PR China.
Background: Intervertebral disc degeneration (IDD) is a leading cause of low back pain, often linked to inflammation and pyroptosis in nucleus pulposus (NP) cells. The role of Periostin (POSTN) in IDD remains unclear.
Objective: This study aims to investigate the influence of POSTN on pyroptosis and NLRP3 inflammasome activation in NP cells during IDD.
Cardiovasc Diabetol
January 2025
Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Peking Union Medical College & Chinese Academy of Medical Sciences, No.167, Beijing, 100037, China.
Aim: Both clonal hematopoiesis of indeterminate potential (CHIP) and type 2 diabetes mellitus (T2DM) are conditions closely associated with advancing age. This study delves into the possible implications and prognostic significance of CHIP and T2DM in patients diagnosed with ST-segment elevation myocardial infarction (STEMI).
Methods: Deep-targeted sequencing employing a unique molecular identifier (UMI) for the analysis of 42 CHIP mutations-achieving an impressive mean depth of coverage at 1000 × -was conducted on a cohort of 1430 patients diagnosed with acute myocardial infarction (473 patients with T2DM and 930 non-DM subjects).
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