RETRACTED: The TLR Expression Pattern on Monocyte-Derived Macrophages for Lipopolysaccharid Stimulation of Calves

This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).This article has been retracted at the request of the Editor-in-Chief and Author.This article was submitted without the agreement of all authors. GUO Yi-jie, the first author of the paper, went to Tohoku University in Japan to study the macrophages origin from monocyte. She presented the paper about her study and added Hisashi Aso, a Japanese teacher, to the author list of the paper by herself without permission. In addition, the authors have found some irregularities in the paper, they did not check the paper carefully before submission. Therefore, the authors regretfully retract the paper, and express most sincere apologies to Prof. Hisashi As, all editors and readers of the journal.