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BACKGROUND Long noncoding RNA ANRIL (antisense non-coding RNA in the INK4 locus) represses p15 and p16, which induce cell-cycle arrest at G1 phase, leading to enhanced cell proliferation of normal fibroblasts. Herein we report that ANRIL is also involved in the regulation of cancer-cell proliferation. MATERIALS AND METHODS HeLa and H1299 cells were(More)
BACKGROUND A long noncoding RNA, p21-associated ncRNA DNA damage-activated (PANDA), associates with nuclear transcription factor Y subunit alpha (NF-YA) and inhibits its binding to promoters of apoptosis-related genes, thereby repressing apoptosis in normal human fibroblasts. Here, we show that PANDA is involved in regulating proliferation in the U2OS human(More)
The p16 tumor suppressor gene encodes a specific inhibitor of cyclin-dependent kinase (CDK) 4 and 6 and is found altered in a wide range of human cancers. p16 plays a pivotal role in tumor suppressor networks through inducing cellular senescence that acts as a barrier to cellular transformation by oncogenic signals. p16 protein is relatively stable and its(More)
ANRIL is a long noncoding RNA transcribed from the INK4 locus that encodes three tumor suppressor genes, p15, p16, and ARF. Previous studies demonstrated that ANRIL represses p15 and p16, which positively regulate the pRB pathway, leading to repression of cellular senescence of human normal fibroblasts. However, the role of ANRIL in cancer cell(More)
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