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ChIP-chip of siGFP- or siHOTTIP-treated foreskin fibroblasts with anti-H3K4me3, anti-H3K27me3, anti-H3K4me2, anti-histone, anti-MLL1, and anti-WDR5 antibodies on HOX tiling array

ABSTRACT: Coordinate loss of MLL1 and WDR5 occupancy caused by HOTTIP knockdown were observed in distal HOXA genes. These regions correspondingly lost H3K4me3 and H3K4me2, without changes in pan-histone or H3K27me3. human foreskin fibroblasts (CRL2091), anti-H3K4me3 (Abcam ab8580, lot#1016899), anti-H3K4me2 (Abcam ab32356, lot#947550), anti-H3K27me3 (Abcam ab4729, lot#1021724), anti-histone H3 (Abcam ab1791, lot#1025144), anti-MLL1 (gift of R. Roeder, Rockefeller University), and anti-WDR5 (gift of W. Herr, UNIL) Comparison of occupancy of MLL1 and WDR5 of siGFP and siHOTTIP foreskin fibroblasts on HOX tiling array. Human foreskin fibroblasts are transfected with siGFP or siHOTTIP for 72 hrs. The cells are harvesed and ChIP performed with H3K4me3, H4K27me3, H3K4me2, MLL1, WDR5, and histone antibodies.

ORGANISM(S): Homo sapiens

SUBMITTER: Kevin Wang 

PROVIDER: E-GEOD-26540 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

The genome is extensively transcribed into long intergenic noncoding RNAs (lincRNAs), many of which are implicated in gene silencing. Potential roles of lincRNAs in gene activation are much less understood. Development and homeostasis require coordinate regulation of neighbouring genes through a process termed locus control. Some locus control elements and enhancers transcribe lincRNAs, hinting at possible roles in long-range control. In vertebrates, 39 Hox genes, encoding homeodomain transcript  ...[more]

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