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Difference between ciRNA and ICF's?

Is there any difference between ciRNA (circular intronic RNA) and ICF's(intronic circular RNA fragment)? If yes, please suggest.

circrna

I guess this is more biology (biology.stackexchange) related question.

Short answer: ICF's originate from introns, ciRNA originate from non-coding exons.

Not according to this review: "Circular intronic RNAs (ciRNAs) are intron lariats that have been circularized at the branchpoint 2'-5' linkage..."

1 answer

Here is a review on circular RNAs.

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