Abstract
Long interspersed elements-1(LINE-1) is the only autonomous transposon in human genome，and its retrotransposition results in change of cellular genome structure and function, leading occurrence of various severe diseases. As a central key intermediated component during life cycle of LINE-1 retrotransposition, the host modification of LINE-1 mRNA affects the LINE-1 transposition directly. N6-adenosine methylation(m6A), the most abundant epigenetic modification on eukaryotic RNA, is dynamically reversible. m6A modification is also found on LINE-1 mRNA, and it participants regulation of the whole LINE-1 replication cycle, with affecting LINE-1 retrotransposition as well as its adjacent genes expression, followed by influencing genomic stability, cellular self-renewal, and differentiation potential, which plays important roles in human development and diseases. In this review, we summarize the research progress in LINE-1 m6A modification, including its modification positions, patterns and related mechanisms, hoping to provide a new sight on the mechanism research and treatment of related diseases.
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