biomart

gene symbol conversion

# Grch37로 하고 싶은 경우(hg19)

library(biomaRt)

ensembl = useEnsembl(biomart="ensembl", dataset="hsapiens_gene_ensembl", GRCh=37, version=75)

listAttributes(ensembl)

getBM(attributes=c('ensembl_gene_id','hgnc_symbol','hgnc_id')

                        ,filters = 'ensembl_gene_id', values = syms[1], mart = ensembl)