The present invention in one aspect relates to a method for treating cancer or enhancing a cancer treatment, the method comprising inhibiting the expression of an oligonucleotide encoding for a protein selected from the group consisting of OLFM4, SP5, TOB1, ARID1A, FBN1 and HAT1, by administering to a mammal in need of cancer treatment an effective amount of at least one silencing oligonucleotide comprising a binding motif for binding to the oligonucleotide encoding for a protein.