Example sentences for: signalosome

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

  • CSN: COP9/signalosome

  • Two subunits of the COP9 signalosome, CSN2 and CSN6, were located both in the cytosol and the NP fractions, but not in the NE fractions (Fig 3B).

  • Cyclin A, but not cyclin E levels were also suppressed by MIB in an AR-dependent manner, while the levels of the COP9/signalosome subunit CSN5/JAB1 and tubulin remained constant (Fig.

  • COP10, which has been shown to interact with AtCOP1 in yeast two-hybrid experiment, encodes a ubiquitin conjugating enzyme (E2) variant [ 44 ] . The COP9 signalosome, an eight-subunit complex homologous to the lid subcomplex of the 26 S proteasome [ 45 ] , directly associates with SCF E3 complex and promotes deneddylation of the cullin subunit of SCF in both plant and animal cells [ 46 47 48 49 ] . The exact relationship between COP1 and the COP9 signalosome remains obscure; it is known, however, that in Arabidopsis the COP9 signalosome is required for COP1 to accumulate in the nucleus in the dark [ 29 ] . Although COP1 most likely plays a role in regulating protein degradation, attempts in reconstituting ubiquitination of HY5 by AtCOP1 have been unsuccessful.

  • While our study suggests that SKP2 is an important player in p27 regulation in prostate cancer cells, recent studies have also implicated another protein, CSN5/JAB1, in p27 regulation [ 54 55 ] . CSN5 is a subunit of the COP9/signalosome (CSN) complex [ 56 57 58 59 ] , but also forms distinct complexes apparently lacking CSN subunits [ 55 60 61 62 ] . Overexpression of CSN5 in NIH3T3 cells causes p27 export from the nucleus and ectopic degradation [ 54 ] . Notably, like SKP2 [ 33 36 37 38 ] , CSN5 was found to be overexpressed in cancers devoid of p27 [ 63 ] . However, our studies did not reveal any effect of MIB on CSN5 expression.


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