Genetics Research International / 2012 / Article / Fig 1

Review Article

Mechanistic Roles of Noncoding RNAs in Lung Cancer Biology and Their Clinical Implications

Figure 1

Schematic depiction of ncRNA deregulation and its impact on regulatory proteins. (a) (i) normal levels of EZH2 are maintained by a balance of EZH2 transcription and miR-101 regulation. (ii) EZH2 is overexpressed as a result of copy number gain of the EZH2 locus. (iii) EZH2 is overexpressed as a result of miR-101 loss. (b) hypothetical scenario of crizotinib resistance. miR-628 is overexpressed resulting in increased degradation of putative target transcript, CASP3, required for crizotinib-induced cell death. (c) (i) normal levels of PTEN are maintained through the ability of its pseudogene, PTENP1, to act as a miRNA sponge. (ii) mutation in the 3′-UTR of PTENP1 results in loss of miRNA binding and redirection of the miRNA to degrade PTEN.
737416.fig.001a
(a)
737416.fig.001b
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737416.fig.001c
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