Epigenetics
CUT&RUN and DNA methylation sequencing: goals, protocols, and metadata standards.
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CUT&RUN
Goal:
To obtain genome-wide profiles of histone post-translational modifications that define chromatin states of healthy and injured/repairing kidney tissue using Cleavage Under Targets and Release Using Nuclease (CUT&RUN). This technology enables the interrogation of chromatin profiles with limited tissue, such as kidney biopsies.
PROTOCOLS:
METADATA STANDARDS
DNA METHYLATION SEQUENCING
Goal:
The goal of this technology is to uncover methylation signatures of kidney sub-segments that are key determinants of kidney disease progression. This work will result in a comprehensive set of methylation patterns and genotypes to map back to a kidney atlas. This will allow the characterization of methylation signatures of over 20 million CpG sites in individual kidney compartments from both nephrectomies and biopsies using laser microdissection (LMD) methodology with downstream whole-genome bisulfite-sequencing (WGBS).
Workflow: 1) Cryosectioning, 2) LMD processing, 3) DNA isolation, bisulfate conversion, WGBS-sequencing, 4) aligning with the reference genome with Bismark, 5) data analysis in R, and genome program visualization, 6) raw and analyzed data are uploaded to the KPMP data lake.
PROTOCOLS:
METADATA STANDARDS
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