Example sentences for: up-regulation

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

  • The results from this study demonstrate down regulation of cyclins, and up-regulation of cyclin inhibitor p21 and IL-10 mRNA expression.

  • The specificity of the signals driven by PMA was further stressed by the up-regulation of CD3 expression and by the unaltered mRNA levels of the proto-oncogene c-Ha-ras.

  • For instance, viruses including Herpes simplex virus type 1 (HSV-1) have been known to induce severe alterations of the host translational apparatus, including the up-regulation of ribosomal proteins and the progressive association of several nonribosomal proteins, such as VP19C, VP26, and the poly(A)-binding protein 1 (PAB1P) to ribosomes [ 39 ] . In the case of HIV-1, approximately one infectious HIV-1 genome in an infected cell could be transcribed and translated into 50,000 to 100,000 physical particles [ 40 ] . This poses an immense challenge for the virus to be able to transcribe, splice, transport, and translate its RNA into fully packaged virions in a timely fashion.

  • Up-regulation of S-phase and translation genes may allow speeding of cells through the S-phase and subsequent accumulation at the G2 phase, where most of the cellular and viral translation may take place.

  • We then introduced into each line a plasmid containing a luciferase reporter downstream of multimerized Gli binding sites and a minimal promoter [ 20 ] . An isolated stable clone of the 10T1/2 cell transfectants (referred to as clone S12) gave a 10-20-fold up-regulation of luciferase activity (Figure 1a) when stimulated with Hh protein [ 21 ] for 24 hours.


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