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Generation of neural progenitor cells (NPCs) from pluripotent stem cells including ESCs and iPSCs and derivation of NPCs from somatic tissues have been considered promising approaches that could be used therapeutically to restore function in patients suffering neurodegenerative diseases. A new study published in Cell Research shows, for the first time, the generation of NPCs from somatic cells by small molecule compounds under hypoxia without exogenous transcription factors.
Long noncoding RNAs (lncRNAs) are emerging as important functional components in the establishment of long-range chromosomal interactions. In a recent paper published in Cell Research, Xiang et al. provide mechanistic insight into this phenomenon by characterizing the role of CCAT1-L, a colorectal cancer-specific lncRNA, in intra-chromosome looping between the MYC gene promoter and distal upstream enhancer elements that regulate MYC transcription.
RIG-I belongs to a type of intracellular pattern recognition receptors involved in the recognition of viral RNA by the innate immune system. A report by Peisley et al. published in Nature provides the crystal structure of human RIG-I revealing a tetrameric architecture of the RIG-I 2-CARD domain bound by three K63-linked ubiquitin chains, uncovering its activation mechanism for downstream signaling.
In a recent study published in Nature, Warren et al. describe the generation of a novel synthetic adenosine analogue, BCX4430, a synthetic drug-like small molecule that provides protection from Ebola and Marburg virus infection in animal models.
Regulatory information stored in modified histones is functionally translated by effector proteins ('readers'), which identify the histone mark to determine the specificity of the response. A recent study identifying the tumor suppressor protein ZMYND11 as an exclusive reader of methylated histone variant H3.3, throws light on the role of transcription regulation in suppressing tumors.
