Seqanswers Leaderboard Ad

Collapse

Announcement

Collapse
No announcement yet.
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • How do I map Affymetrix probe IDs to gene symbols in R?

    I have an ExpressionSet, combArr.eset, that contains Affymetrix Human Genome U133 Plus 2.0 Array gene expression data. I also have a matrix, exprs_combArr.eset, that contains the expression data for combArr.eset. The row names for exprs_combArr.eset are the hgu133plus2 probe IDs, and the column names are the Gene Expression Omnibus sample IDs.

    I'd like to change the probe IDs in exprs_combArr.eset to their corresponding gene symbols, but I'm not sure how to do this.

    I've retrieved the hgu133plus2SYMBOL object from the hgu122plus2.db package, which contains the mappings between manufacturer identifiers and gene abbreviations, but I'm not sure how to use this to change the probe IDs in exprs_combArr.eset.

    I'm new to R and Bioconductor, and programming in general, so any help would be appreciated.
    Thank you!

Latest Articles

Collapse

  • seqadmin
    Strategies for Sequencing Challenging Samples
    by seqadmin


    Despite advancements in sequencing platforms and related sample preparation technologies, certain sample types continue to present significant challenges that can compromise sequencing results. Pedro Echave, Senior Manager of the Global Business Segment at Revvity, explained that the success of a sequencing experiment ultimately depends on the amount and integrity of the nucleic acid template (RNA or DNA) obtained from a sample. “The better the quality of the nucleic acid isolated...
    03-22-2024, 06:39 AM
  • seqadmin
    Techniques and Challenges in Conservation Genomics
    by seqadmin



    The field of conservation genomics centers on applying genomics technologies in support of conservation efforts and the preservation of biodiversity. This article features interviews with two researchers who showcase their innovative work and highlight the current state and future of conservation genomics.

    Avian Conservation
    Matthew DeSaix, a recent doctoral graduate from Kristen Ruegg’s lab at The University of Colorado, shared that most of his research...
    03-08-2024, 10:41 AM

ad_right_rmr

Collapse

News

Collapse

Topics Statistics Last Post
Started by seqadmin, Yesterday, 06:37 PM
0 responses
10 views
0 likes
Last Post seqadmin  
Started by seqadmin, Yesterday, 06:07 PM
0 responses
9 views
0 likes
Last Post seqadmin  
Started by seqadmin, 03-22-2024, 10:03 AM
0 responses
49 views
0 likes
Last Post seqadmin  
Started by seqadmin, 03-21-2024, 07:32 AM
0 responses
67 views
0 likes
Last Post seqadmin  
Working...
X