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SNORD45C: SNORD45C is a guide snoRNA that mediates modifications in mRNA translation [PMC9412354]. Knockout of SNORD45C in HeLa cells resulted in changes in translation of specific subsets of mRNAs, either decreasing or increasing their levels [PMC9412354]. Interestingly, SNORD45C was found to be up-regulated under MYC overexpression [PMC8393311]. The mRNAs that were up- or down-regulated upon SNORD45C depletion showed variations in elongation-related codon compositions, suggesting that translational defects caused by SNORD45C depletion might depend on ORF sequences and codon usage [PMC8393311]. Knockout of SNORD45C and the resulting loss of 2′Ome at 18S-Cm174 led to translational deregulation of numerous specific mRNAs involved in cell cycle, mitosis, metabolism, and intracellular transport [PMC8393311]. SNORD45C was found to have two strong regions for target binding upstream of the boxes D’ and D [PMC9226514]. Knockout of SNORD45C resulted in decreased translation of a specific set of mRNAs involved in cell division, while global translation remained unaffected [PMC9941101]. The expression levels of SNORD45C showed no significant difference between coronary AS patients and healthy patients [PMC9046892]. However, the levels of UBE2G2, SNORD45A, SLC16A3, POLR2C, PNO1, CEMP1, AMDHD2 were significantly higher in plaques from coronary AS patients compared to adjacent intima [PMC9046892]. The expression levels UBE2G2, SNORD45A/B/C , RABGGTB , SLC16A3 , POLR2C , PNO1 , CEMP1 , AMDHD2 were measured using RT-qPCR [PMC9046892].
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