Erratum

Following publication of the original version of this article [1] we noticed errors in Table 1 and Additional file 2: Figure S2 concerning the RT-qPCR data for comparison of miRNA expression between C2C12 cells grown in proliferation media (PR) and differentiation media (DF). The forward primer sequences for miR-487b, miR-3963 and miR-6412 should be identical to the sequences of miRNA themselves, whereas those used in the original version of the article were the reverse complementary sequences of these miRNAs. The forward primers in the original version correspond to the proportion of pre-miRNA of prospective miRNAs, which can form a hairpin structure and will be the source of mature miRNA.

Table 1 The sequence of the primers
Full size table

We re-designed correct primers for miR-487b, miR-3963 and miR-6412 and performed RT-qPCR again for confirmation. The results show that the expression level of these miRNAs significantly decreased in C2C12 cells grown in DF compared to those in PR.

The correct data and primer sequences are shown in the revised Table 1 and Figure S2. These changes do not change any other results or conclusions in the original version.

Additionally, during production of the original article an error was introduced into the email addresses of two of the authors. The correct email addresses are included in this article.