Retraction Statement

The authors of the article


Xue X, Qiu Y, Yang HL, entitled
“Immunoregulatory Role of MicroRNA-21 in Macrophages in Response to Bacillus Calmette- Guerin Infection Involves Modulation of the TLR4/MyD88 Signaling Pathway”
[Cell Physiol Biochem 2017;42(1):91-102, DOI: 10.1159/000477118]


have requested retraction on the following basis:

The pictures in this article were questioned by PubPeer. The authors confirm that all pictures were real and a result of their process of their research. However, it is a pity that original pictures are now lost and they could not provide them to address the issues raised by PubPeer.
The authors do not have enough economic ressources and time to repeat this research and obtain the pictures in the article again. Based on this reason, they made the decision that they would like to retract this article.