early gene

early gene

[′ər·lē ‚jēn]
(genetics)
Any gene expressed very soon after a growth stimulus that initiates cell proliferation; it is divided into immediate early and delayed early classes.
References in periodicals archive ?
Moreover, some participants in certain early gene therapy studies later developed leukemia, which scientists suspect was because the vector activated genes that control cell growth.
Specifically, we will investigate fusion intermediates, if and how virus entry and core deposition into blebs occurs and if the model system is sufficient to support early gene expression.
Somatodendritic expression of an immediate early gene is regulated by synaptic activity.
He helped lead a very early gene therapy experiment that killed a teen in 1999, putting some other studies on hold for years.
The Regeneron Genetics Center LLC (RGC), a wholly-owned subsidiary of Regeneron Pharmaceuticals, is a fully integrated genomics program that spans early gene and target discovery, functional genomics, and genetics-guided drug development.
Immediate early response gene X-1 (IEX-1), also known as p22/PRG1 in rat or the mouse homologue gly96, is a novel stress-induced immediate early gene. It can be rapidly upregulated in various cell types by irradiation, viral infection, inflammatory cytokines, chemical carcinogens, growth factors, and hormones under the control of transcription factors such as NF-[kappa]B/rel, p53, Sp1, c-Myc, and AP-1 (reviewed by Wu) [10].
BHRF1 is an immediate early gene which is homologous with the Bcl-2 oncogene, encoding a protein with 25% of the AA sequence the same with Bcl-2 protein [34].
Thus, immediate early gene expression changes resulting from exposure to nonspecific aspects of fear conditioning versus the context-shock association can be quantified independently [60, 62].
Furthermore, we analyzed levels of oxidative stress, as well as cyclic adenosine 3',5'-monophosphate response element-binding (CREB) protein phosphorylation and immediate early gene (IEG, including Arc, c-fos, and Egr1) expression levels using Western blot analysis.
Evidence for an early gene duplication event in the evolution of the mitochondrial transcription factor B family and maintenance of rRNA methyltransferase activity in human mtTFB1 and mtTFB2.
At the onset of ischemia, there is an expression of the so-called group of early genes or proto-oncogenes (immediate early gene expression) [6].