Abstract:
:The AML1 gene is an essential transcription factor regulating the differentiation of hematopoietic stem cells into mature blood cells. Though at least 12 different alternatively spliced AML1 mRNAs are generated, three splice variants (AML1a, AML1b and AML1c) have been characterized. Here, using the reverse transcription-polymerase chain reaction with outward-facing primers, we identified a novel non-polyadenylated transcript from the AML1 gene, with exons 5 and 6 scrambled. The novel transcript resisted RNase R digestion, indicating it is a circular RNA structure that may originate from products of mRNA alternative splicing. The expression of the novel transcript in different cells or cell lines of human and a number of other species matched those of the canonical transcripts. The discovery provides additional evidence that circular RNA could stably exist in vivo in human, and may also help to understand the mechanism of the regulation of the AML1 gene transcription.
journal_name
BMB Repjournal_title
BMB reportsauthors
Xu AN,Chen XH,Tan YH,Qi XL,Xu ZF,Zhang LL,Ren FG,Bian SC,Chen Y,Wang HWdoi
10.5483/bmbrep.2013.46.3.171subject
Has Abstractpub_date
2013-03-01 00:00:00pages
163-8issue
3eissn
1976-6696issn
1976-670Xjournal_volume
46pub_type
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