Table I.

Secreted proteins present in U87 human glioblastoma cancer stem cells.

NSI, %	Protein
0.018017	CD59 molecule, complement regulatory protein
0.017455	Niemann-Pick disease, type C2
0.230439	Actinin, alpha 1
0.291456	Actinin, alpha 4
0.701277	Annexin A2 pseudogene 3; annexin A2; annexin A2 pseudogene 1
0.023723	Calmodulin 3 (phosphorylase kinase, delta); calmodulin 2 (phosphorylase kinase, delta); calmodulin 1 (phosphorylase kinase, delta)
0.059753	Calumenin
0.009112	Cathepsin B
0.167202	Cathepsin D
0.012532	Collagen, type VI, alpha 3
0.006565	Dermcidin
0.084246	Gelsolin (amyloidosis, Finnish type)
0.000635	Granulin
0.60557	Heat shock 60 kDa protein 1 (chaperonin) pseudogene 5; heat shock 60 kDa protein 1 (chaperonin) pseudogene 6; heat shock 60 kDa protein 1 (chaperonin) pseudogene 1; heat shock 60 kDa protein 1 (chaperonin) pseudogene 4; heat shock 60 kDa protein 1 (chaperonin)
0.01018	High density lipoprotein binding protein
0.157602	Macrophage migration inhibitory factor (glycosylation-inhibiting factor)
0.029513	Peroxiredoxin 4
0.083528	Phosphatidylethanolamine binding protein 1
0.103943	Plasminogen
0.182445	Prosaposin
0.015039	Reticulon 3
0.259942	Ribonuclease/angiogenin inhibitor 1
0.007125	Serpinpeptidase inhibitor, clade E (nexin, plasminogen activator inhibitor type 1), member 2
0.084381	Superoxide dismutase 1, soluble
0.054239	Tyrosyl-tRNA synthetase
0.004402	Zinc finger protein 91 homolog (mouse); ZFP91-CNTF readthrough transcript; ciliary neurotrophic factor

NSI, normalized signal intensity.