HALLMARK APICAL SURFACE
Genes Encoding Proteins Over-Represented on the Apical Surface of Epithelial Cells, e.g., important for cell polarity (apical area).
Gene Set Links
Hallmark Apical Surface GSEA:
http://software.broadinstitute.org/gsea/msigdb/cards/HALLMARK_APICAL_SURFACE
Hallmark Apical Surface Genes:
ftp://anonftp.niehs.nih.gov/ntp-cebs/datatype/Hallmark_Gene_Sets/Hallmark_Apical_Surface_Geneset.txt