Coordinated effects of sequence variation on DNA binding, chromatin structure, and transcription.

DNA sequence variation has been associated with quantitative changes in molecular phenotypes such as gene expression, but its impact on chromatin states is poorly characterized. To understand the interplay between chromatin and genetic control of gene regulation, we quantified allelic variability in transcription factor binding, histone modifications, and gene expression within humans. We found abundant allelic specificity in chromatin and extensive local, short-range, and long-range allelic coordination among the studied molecular phenotypes. We observed genetic influence on most of these phenotypes, with histone modifications exhibiting strong context-dependent behavior. Our results implicate transcription factors as primary mediators of sequence-specific regulation of gene expression programs, with histone modifications frequently reflecting the primary regulatory event

Troubles cognitifs et interventions non médicamenteuses : qualité de vie des patients et de leurs proches [Cognitive impairment and non-medical interventions: quality of life of patients and their caregivers]

In the absence of curative pharmaceutical treatment for evolving cognitive impairment, non-drug interventions are key components in patients' and caregivers' care. These interventions, when combined and adapted to the needs of the patient and the caregiver, allow for maintaining functional autonomy, decreasing caregiver burden and, possibly, slowing down cognitive decline. An on-going study in Suisse Romande (INDID-MCI-QOL) assesses the effect of the number and type of interventions conducted over a year on the evolution of physical, psychological and cognitive health in this population

A Finite Element Method on Convex Polyhedra

Wicke M, Botsch M, Gross M. A Finite Element Method on Convex Polyhedra. Computer Graphics Forum (Eurographics). 2007;26(3):355-364