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Hi Catherine -- One way: > syms <- lapply(xx, mget, hgu95av2SYMBOL) > unlist(syms[["00642"]]) 38377_at 840_at 31873_at 40782_at 35004_at 35203_at 39238_at "MYST3" "MYST3" "ARD1A" "DHRS3" "DHRS2" "MYST4" "NAT6" 39691_at 39813_s_at 39814_s_at 39103_s_at 39104_at "SH3GLB1" "DHRS7" "DHRS7" "DHRS1" "DHRS1" Martin catherine xu <polyoma2002 at="" yahoo.com=""> writes: > Dear bioC, > > I am using library hgu95av2 to generate a list of pathways > >xx <- as.list(hgu95av2PATH2PROBE) > However the results are gene identifiers. > > > xx[2] > $`00642` > [1] "38377_at" "840_at" "31873_at" "40782_at" "35004_at" > [6] "35203_at" "39238_at" "39691_at" "39813_s_at" "39814_s_at" > [11] "39103_s_at" "39104_at" > > How can I convert these identifiers to gene symbols? > > Thanks in advance. > > Cathy > > --------------------------------- > > [[alternative HTML version deleted]] > > _______________________________________________ > Bioconductor mailing list > Bioconductor at stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/bioconductor > Search the archives: http://news.gmane.org/gmane.science.biology.informatics.conductor -- Martin Morgan Bioconductor / Computational Biology http://bioconductor.org

> > I am using library hgu95av2 to generate a list of pathways > >xx <- as.list(hgu95av2PATH2PROBE) > However the results are gene identifiers. > > > xx[2] > $`00642` > [1] "38377_at" "840_at" "31873_at" "40782_at" "35004_at" > [6] "35203_at" "39238_at" "39691_at" "39813_s_at" "39814_s_at" > [11] "39103_s_at" "39104_at" > > How can I convert these identifiers to gene symbols? You may just take one of the probe ids (e.g. 38377_at) under a given gene id and do: >get("38377_at", hgu95av2SYMBOL) [1]"MYST3" > > Thanks in advance. > > Cathy > >--------------------------------- > > [[alternative HTML version deleted]] > >_______________________________________________ >Bioconductor mailing list >Bioconductor at stat.math.ethz.ch >https://stat.ethz.ch/mailman/listinfo/bioconductor >Search the archives: http://news.gmane.org/gmane.science.biology.informatics.conductor Jianhua Zhang Department of Medical Oncology Dana-Farber Cancer Institute 44 Binney Street Boston, MA 02115-6084