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Keji Zhao

Researcher at National Institutes of Health

Publications -  237
Citations -  40822

Keji Zhao is an academic researcher from National Institutes of Health. The author has contributed to research in topics: Chromatin & Histone. The author has an hindex of 85, co-authored 219 publications receiving 36556 citations. Previous affiliations of Keji Zhao include Johns Hopkins University & Howard Hughes Medical Institute.

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High-resolution profiling of histone methylations in the human genome.

TL;DR: High-resolution maps for the genome-wide distribution of 20 histone lysine and arginine methylations as well as histone variant H2A.Z, RNA polymerase II, and the insulator binding protein CTCF across the human genome using the Solexa 1G sequencing technology are generated.
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Combinatorial patterns of histone acetylations and methylations in the human genome

TL;DR: The data suggest that a large number of histone modifications may act cooperatively to prepare chromatin for transcriptional activation and be associated with promoters and enhancers.
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Dynamic Regulation of Nucleosome Positioning in the Human Genome

TL;DR: It is found that nucleosome phasing relative to the transcription start sites is directly correlated to RNA polymerase II (Pol II) binding and the first nucleosomes downstream of a start site exhibits differential positioning in active and silent genes.
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Genome-wide Mapping of HATs and HDACs Reveals Distinct Functions in Active and Inactive Genes

TL;DR: In this paper, a genome-wide mapping of HATs and deacetylases binding on chromatin was performed and it was found that both are found at active genes with acetylated histones.
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Global Mapping of H3K4me3 and H3K27me3 Reveals Specificity and Plasticity in Lineage Fate Determination of Differentiating CD4+ T Cells

TL;DR: Although modifications of signature-cytokine genes (Ifng, Il4, and Il17) partially conform to the expectation of lineage commitment, genes encoding transcription factors like Tbx21 exhibit a broad spectrum of epigenetic states, consistent with the demonstrated T-bet and interferon-gamma induction in nTreg cells.