Osteopontin signaling upregulates cyclooxygenase-2 expression in tumor-associated macrophages leading to enhanced angiogenesis and melanoma growth via α9β1 integrin (vol 33, pg 2295, 2014)

Correction to: Oncogene (2014) 33, 2295–2306; doi:10.1038/onc.2013.184; published online 3 June 2013. Since the publication of the above article the authors have identified an inadvertent mistake in Figures 2c and 4d. Due to unintentional errors made during the preparation of figures, duplication ofcertain images (control data) has occurred in these figures.