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During cellular differentiation and development, it is recognized that many complex molecular mechanisms as well as precise patterns of differentially expressed genes occur in directing precursor cells toward a given lineage. Using microarray-based technology, we examined gene expression across the course of 3T3-L1 adipocyte differentiation. Total cellular RNA was isolated at times 0, 2, 8, 16, 24,...
The molecular mechanisms that regulate cellular differentiation during development and throughout life are complex. It is now recognized that precise patterns of differentially expressed genes ultimately direct a particular cell toward a given lineage and many of these are regulated during the earliest stages of differentiation. Using a microarray-based expression analysis, we have examined gene expression...
Within 24 h of hormonally stimulated 3T3-L1 adipocyte differentiation, there are dramatic changes in the protein levels of p130 and p107, two members of the retinoblastoma tumor suppressor gene family. Designated the ''p103:p107'' switch, this alteration is characterized by a rapid and transient drop in p130 protein levels accompanied by a transient increase in both p107 mRNA and protein levels. Using...
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