这个词是什么意思？
A class of untranslated RNA molecules that are typically greater than 200 nucleotides in length and do not code for proteins. Members of this class have been found to play roles in transcriptional regulation, post-transcriptional processing, CHROMATIN REMODELING, and in the epigenetic control of chromatin.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D062085 · MeSH 2026。
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