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MicroRNAs (miRNAs) are a new class of prognostic and diagnostic biomarkers for many cancers. Recent studies have shown that miRNAs are highly stable in plasma/serum. The aim of this study was to investigate the role of miR-421 in osteosarcoma. We found that the serum expression levels of miR-421 were significantly higher in osteosarcoma patients than those(More)
Selective elimination of unwanted synapses is vital for the precise formation of neuronal circuits during development, but the underlying mechanisms remain unclear. Using inositol 1,4,5-trisphosphate receptor type 2 knockout (Itpr2(-/-)) mice to specifically disturb somatic Ca(2+) signaling in astrocytes, we showed that developmental elimination of the(More)
Histone deacetylases (HDACs) are thought to localize in the nucleus to regulate gene transcription and play pivotal roles in neurogenesis, apoptosis, and plasticity. However, the subcellular distribution of class I HDACs in the developing brain remains unclear. Here, we show that HDAC1 and HDAC2 are located in both the mitochondria and the nucleus in the(More)
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