نتایج جستجو برای: igf2r
تعداد نتایج: 984 فیلتر نتایج به سال:
Primordial germ cells (PGCs) are fate restricted to differentiate into gametes in vivo. However, when removed from their embryonic niche, PGCs undergo reversion to pluripotent embryonic germ cells (EGCs) in vitro. One of the major differences between EGCs and embryonic stem cells (ESCs) is variable methylation at imprinting control centers (ICCs), a phenomenon that is poorly understood. Here we...
The Igf2r imprinted cluster is an epigenetic silencing model in which expression of a ncRNA silences multiple genes in cis. Here, we map a 250 kb region in mouse embryonic fibroblast cells to show that histone modifications associated with expressed and silent genes are mutually exclusive and localized to discrete regions. Expressed genes were modified at promoter regions by H3K4me3 + H3K4me2 +...
Alzheimer is characterized by the presence of senile plaques and neurofibrillary tangles in cortical regions of the brain. The experimental data is taken from Gene Expression Omnibus. A hierarchical Cluster analysis and TreeView were performed to group genes on the basis of the expression pattern. The dynamic change of expression over time and diverse patterns of expression support the concept ...
Polimorfismos en genes candidatos a la composición de ácidos grasos y su efecto en carne Wagyu-Cross
Objetivo. Comparar la composición de ácidos grasos (FA) en carne Wagyu y sus cruzas con Angus, Beefmaster, Brangus Hereford, analizar su relación marcadores genéticos del metabolismo lipídico. Materiales metodos. Se colectaron 111 muestras Longissimus dorsi, las cuales se agruparon por grupo genético, cuantificaron los FA (cromatografía gases líquidos) tipificaron ADN asociados teóricamente a F...
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