histone acetylation, one of the first and best studied histone post-translational modifications (ptms), as well as the factors involved in its deposition (writers), binding (readers) and removal (erasers), have been shown to act at the heart of regulatory circuits controlling essential cellular functions. the identification of a variety of competing histone lysine-modifying acyl groups includin...

objective(s):sublingual allergen-specific immunotherapy is a safe and effective method for treatment of ige-mediated respiratory allergies; however, the underlying mechanisms are not fully understood. this study was planned to test whether sublingual immunotherapy (slit) can exert epigenetic mechanisms through which the airway allergic responses can be extinguished. materials and methods:balb/c...

Transcription factors and histone modifications are vital for the regulation of gene expression. Hence, to estimate the effects of transcription factors binding and histone modifications on gene expression, we construct a statistical model for the genome-wide 15 transcription factors binding data, 10 histone modifications profiles and DNase-I hypersensitivity data in three mammalian. Remarkably...

Eukaryotic genomes are packaged into chromatin by histone proteins whose chemical modification can profoundly influence gene expression. The histone modifications often act in combinations, which exert different effects on gene expression. Although a number of experimental techniques and data analysis methods have been developed to study histone modifications, it is still very difficult to iden...

Histone modifications play important roles in chromatin remodeling, gene transcriptional regulation, stem cell maintenance and differentiation. Alterations in histone modifications may be linked to human diseases especially cancer. Histone modifications including methylation, acetylation and ubiquitylation probed by ChIP-seq, ChIP-chip and qChIP have become widely available. Mining and integrat...

Background During mammalian spermatogenesis unique and dynamic epigenetic events occur leading to chromatin condensation. Through these events, histone demethylases such as JMJD1A play important roles in compaction of sperm chromatin, due to regulation of histone methylation dynamics and alteration of chromatin structure. As �histone methylation� is one of the best-characterized modifications i...

Histone modifications play a complex role in the regulation of transcription. Recent studies (Duncan et al., 2008; Lee et al., 2007; Li et al., 2008) reveal that regulation of histone modifications can be functionally linked to reinforce the activation or repression of gene expression.