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Abstract:
Chromatin immunoprecipitation (ChIP) in conjunction with qPCR or next generation sequencing (ChIPseq) is used to detect protein-DNA interaction. Typically, DNA bound to a protein of interest is captured with an antibody against this protein, and DNA is then purified from DNA-protein complexes. Here, we describe a native Chromatin immunoprecipitation (N-ChIP) approach which is an efficient ChIP method with high resolution for histone modifications and a number of transcription factors. This protocol has been tailored for cultured primary rat astrocytes, and we included the preparation of astrocytic cell cultures in this protocol.