ArticleCurrent protocols2025
Refined ChIP-Seq Protocol for High-Quality Chromatin Profiling in Solid Tissues Using the Complete Genomics/MGI Sequencing Platform.
Article in Current protocols, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
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Authors and funding
6 authors.
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Abstract
The chromatin immunoprecipitation followed by sequencing (ChIP-seq) assay is an instrumental and accurate method for understanding chromatin dynamics in eukaryotic cells. It provides critical insights into the regulation of gene expression and enables identification of regulatory elements, patterns of histone modifications, and chromatin states in health and disease conditions. Although cell cultures are great models to study molecular mechanisms associated with pathologies, studying tissues provides a physiologically native environment that reflects the cellular heterogeneity and spatial organization that are missing in an in vitro model. Several ChIP-seq protocols have been published; however, performing ChIP-seq in tissues remains a challenge in many settings due to the heterogeneity of tissues, complexity of cell matrices, low input material and intricacy of chromatin fragmentation and handling. Here, we present an optimized ChIP-seq protocol for solid tissues, with a focus on colorectal cancer. In this article, we incorporate simplified and efficient procedures for tissue preparation, chromatin extraction, immunoprecipitation, and library construction. The refined protocols overcome common limitations related to tissue processing and allows for highly reproducible, sensitive, and scalable analysis of disease-relevant chromatin states in vivo. © 2025 The Author(s). Current Protocols published by Wiley Periodicals LLC. Basic Protocol 1: Frozen tissues preparation Basic Protocol 2: Chromatin immunoprecipitation from tissues Basic Protocol 3: Library construction for DNA sequencing Basic Protocol 4: DNA nanoballs preparation for the DNBSEQ-G99RS sequencing platform and data quality control.
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