In this task, you are given an abstract of article. Your task is to generate title for this article. Preferred titles are under thirty words.

Q: Super-enhancers (SEs) are large clusters of transcriptional enhancers that are co-occupied by multiple lineage-specific transcription factors driving expression of genes that define cell identity. In embryonic stem cells (ESCs), SEs are highly enriched for the core pluripotency factors Oct4, Sox2, and Nanog. In this study, we sought to dissect the molecular control mechanism of SE activity in pluripotency and reprogramming. Starting from a protein interaction network surrounding Sox2, we identified Tex10 as a key pluripotency factor that plays a functionally significant role in ESC self-renewal, early embryo development, and reprogramming. Tex10 is enriched at SEs in a Sox2-dependent manner and coordinates histone acetylation and DNA demethylation at SEs. Tex10 activity is also important for pluripotency and reprogramming in human cells. Our study therefore highlights Tex10 as a core component of the pluripotency network and sheds light on its role in epigenetic control of SE activity for cell fate determination.

A: Tex10 Coordinates Epigenetic Control of Super-Enhancer Activity in Pluripotency and Reprogramming.
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Q: Schizophrenia may arise from subtle abnormalities in brain development due to alterations in the functions of candidate susceptibility genes such as Disrupted-in-schizophrenia 1 (DISC1) and Neuregulin 1 (NRG1). To provide novel insights into the functions of DISC1 in brain development, we mapped the expression of zebrafish disc1 and set out to characterize its role in early embryonic development using morpholino antisense methods. These studies revealed a critical requirement for disc1 in oligodendrocyte development by promoting specification of olig2-positive cells in the hindbrain and other brain regions. Since NRG1 has well-documented roles in myelination, we also analyzed the roles of nrg1 and ErbB signalling in zebrafish brain development and we observed strikingly similar defects to those seen in disc1 morphant embryos. In addition to their effects on oligodendrocyte development, knock-down of disc1 or nrg1 caused near total loss of olig2-positive cerebellar neurones, but caused no apparent loss of spinal motor neurones. These findings suggest that disc1 and nrg1 function in common or related pathways controlling development of oligodendrocytes and neurones from olig2-expressing precursor cells. Like DISC1 and NRG1, OLIG2 and ERBB4 are promising candidate susceptibility genes for schizophrenia. Hence our findings in the zebrafish embryo suggest that hitherto unappreciated neurodevelopmental connections may exist between key human schizophrenia susceptibility genes. These connections could be investigated in Disc1 and Nrg1 mouse models and in genetically defined groups of patients in order to determine whether they are relevant to the pathobiology of schizophrenia. GenBank accession number for Danio rerio disc1: EU273350.

A: Disrupted-in-schizophrenia 1 and neuregulin 1 are required for the specification of oligodendrocytes and neurones in the zebrafish brain.
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Q: Autophagy is the primary catabolic process triggered in response to starvation. Although autophagic regulation within the cytosolic compartment is well established, it is becoming clear that nuclear events also regulate the induction or repression of autophagy. Nevertheless, a thorough understanding of the mechanisms by which sequence-specific transcription factors modulate expression of genes required for autophagy is lacking. Here, we identify Foxk proteins (Foxk1 and Foxk2) as transcriptional repressors of autophagy in muscle cells and fibroblasts. Interestingly, Foxk1/2 serve to counter-balance another forkhead transcription factor, Foxo3, which induces an overlapping set of autophagic and atrophic targets in muscle. Foxk1/2 specifically recruits Sin3A-HDAC complexes to restrict acetylation of histone H4 and expression of critical autophagy genes. Remarkably, mTOR promotes the transcriptional activity of Foxk1 by facilitating nuclear entry to specifically limit basal levels of autophagy in nutrient-rich conditions. Our study highlights an ancient, conserved mechanism whereby nutritional status is interpreted by mTOR to restrict autophagy by repressing essential autophagy genes through Foxk-Sin3-mediated transcriptional control.

A:
Foxk proteins repress the initiation of starvation-induced atrophy and autophagy programs
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