Retraction Note to: Tumor Biol (2016) 37:5775–5779

DOI 10.1007/s13277-015-4090-y

This article has been retracted at the request of the Editor-in-Chief, the International Society of Oncology and BioMarkers (ISOBM) and the Publisher per the Committee on Publication Ethics guidelines. The article shows evidence of irregularities in authorship and in the materials and methods during the submission process, there is strong reason to believe that the peer review process was compromised and there are similarities with the following articles which were all submitted within a close timeframe:

Seyad Alireza Bassampour, Reza Abdi & Reza Bahador, Mohammadreza Shakeri & Ali Torkaman & Emad Yahaghi, Afshin Taheriazam, Downregulation of miR-133b/miR-503 acts as efficient prognostic and diagnostic factors in patients with osteosarcoma and these predictor biomarkers are correlated with overall survival. Tumor Biol. First Online: 16 August 2015 DOI 10.1007/s13277-015-3918-9

Date received: 20 July 2015

Seyyed Hasan Karbasy, Afshin Taheriazam, Alireza Mirghasemi, Farnoush Sedaghati, Mohammadreza Shakeri, Emad Yahaghi, Reza Bahador, Upregulation of miR-300 and downregulation of miR-125b act as potential predictor biomarkers in progression, metastasis, and poor prognosis of osteosarcoma. Tumor Biol. First Online: 02 September 2015 DOI: 10.1007/s13277-015-4000-3

Date received: 24 July 2015

The retracted article was received: 2 August 2015

As such the validity of the content of this article cannot be verified.