Chromatin-enriched lncRNAs are cell type specifc enhancers for proximal genes

comparison of chromatin enriched RNA in different human cell lines Biochemically fractionate nuclei to isolate chromatin-attached and soluble RNA populations不同人类细胞系中染色质（chromatin）富集RNA的比较分析：通过生物化学分级分离细胞核，以分离与染色质结合的RNA及可溶性RNA群体。