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- Go to UCSC Genome Browser
- Select Table Browser under Tools in the main command bar of the webpage (Figure 1)
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SubtitleText | Navigating to the Table Browser at the UCSC Genome Browser website |
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AnchorName | UCSC Genome Browser |
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- Configure the Table Browser page as shown (Figure 2)
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SubtitleText | Configuring the Table Browser to output CpG Islands BED file |
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AnchorName | Configuring Table Browser |
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- Set assembly to Feb. 2009 (GRCh37/hg19)
- Set group to Regulation
- Set track to CpG Islands
- Set table to cpgIslandExt
- Set output format to BED
- Set output file to cpg.bed
- Select get output
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SubtitleText | Importing the CpG Islands map BED file |
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AnchorName | Importing BED File |
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The BED file will open as a new spreadsheet (Figure 5).
- Change the spreadsheet name to UCSC CpG Island Annotation and save it
For this region list, you can also calculate the average beta values for the probes in each island per sample and detect differential methylated CpG islands regions. Detailed information on how to get average beta value for each CpG can be found from the in the Determining the average values for a region list section of Help>On-line Tutorials>User Guides> Listof Starting with a list of genomic regions.
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