Example sentences for: c-fos

How can you use “c-fos” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • The protein product of this gene is a member of the activating protein-1 (AP-1) family [ 19 ] , which upon binding to either c-fos or fos B protein form a complex that have high affinity to AP-1 binding concensus sequence [ 20 ] . A wide variety of chemicals, including growth factors, and tumor promotors increase the expression of this gene in various cell types [ 21 ] . Compared to untransfected keratinocytes, JunB-transfected cells grew more rapidly, and were highly invasive in an in vitro assay [ 22 ] . Therefore, the increased hepatic levels of junB gene, in mice treated with RU486, was expected to reflect an uncontrolled hepatocellular growth in these animals.

  • The serum response element (SRE) is located approximately 300 bp upstream of the transcriptional start site in the c-fos promoter and is necessary for serum induction of c-fos [ 2].

  • These results suggest a cooperative role between the TCF and C/EBPβ transcription factors in regulation of the c-fos SRE in response to Ras-dependent signaling pathways.

  • Another transcription factor that is involved in regulation of the c-fos SRE is CCAAT/Enhancer binding protein-beta (C/EBPβ).

  • Since Elk-1 and p35-C/EBPβ synergize in transactivation of SRF-dependent transcription using a GAL4-dependent promoter, we next tested if Elk-1 and p35-C/EBPβ could also synergize in transactivation of a native SRF binding site, namely the c-fos SRE.


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