Table 1. Proteomic profiling of Evs secreted by breast primary human mammospheres.
OHa | E2a | TXa | PROTEIN ID | PROTEIN NAME | IPAb | ||
Can | Prol | Dev | |||||
Membrane-associated proteins | |||||||
36 | 64 | 59 | TRFL_HUMAN | Lactotransferrin | x | x | x |
9 | MFGM_HUMAN | Lactadherin/Milk fat globule-EGF factor 8 | x | x | x | ||
13 | 8 | ANXA2_HUMAN | Annexin A2 | x | x | x | |
23 | PROM1_HUMAN | Prominin-1/CD133 | x | ||||
17 | AMPN_HUMAN | Aminopeptidase N/CD13 | x | x | x | ||
2 | ERGI2_HUMAN | ER Golgi intermediate compartment protein 2 | |||||
6 | RAB15_HUMAN | Ras related protein Rab 15 | x | ||||
8 | RUFY2_HUMAN | RUN and FYVE domain containing protein 2 | x | ||||
11 | HS90A_HUMAN | Heat shock protein HSP 90-alpha | x | x | x | ||
3 | BAK_HUMAN | Bcl 2 homologous antagonist killer | x | x | x | ||
Enzymes | |||||||
3 | 12 | 8 | G3P_HUMAN | Glyceraldehyde-3-phosphate dehydrogenase | x | x | x |
8 | 11 | ALDOB_HUMAN | Fructose-bisphosphate aldolase B | x | x | ||
8 | ALDOC_HUMAN | Fructose bisphosphate aldolase C | x | x | |||
2 | 3 | TPIS_HUMAN | Triosephosphate isomerase | x | |||
6 | KPYM_HUMAN | Pyruvate kinase isozymes M1/M2 | x | x | |||
10 | 13 | DHE3_HUMAN | Glutamate dehydrogenase 1, mitochondrial | x | x | x | |
4 | HCD2_HUMAN | 3-hydroxyacyl-CoA dehydrogenase type-2 | x | x | |||
2 | 12 | 8 | SAHH_HUMAN | Adenosylhomocysteinase | x | x | |
11 | 4 | AL1A1_HUMAN | Retinal dehydrogenase 1 | x | x | x | |
8 | FTHFD_HUMAN | 10 formyltetrahydrofolate dehydrogenase | x | ||||
7 | DPYS_HUMAN | Dihydropyrimidinase | |||||
4 | ACADS_HUMAN | Short-chain acyl-CoA dehydrogenase | |||||
6 | THIM_HUMAN | 3-ketoacyl-CoA thiolase, mitochondrial | |||||
3 | NFS1_HUMAN | Cysteine desulfurase mitochondrial | x | ||||
7 | CATA_HUMAN | Catalase | x | x | x | ||
Miscellaneous | |||||||
11 | 20 | 17 | ALBU_HUMAN | Serum albumin | x | x | x |
3 | 9 | 6 | UBIQ_HUMAN | Ubiquitin | x | ||
5 | PSD10_HUMAN | 26S proteasome non-ATPase reg sub10 | x | ||||
13 | ACTA_HUMAN | Actin, aortic smooth muscle | x | ||||
12 | 28 | ACTB_HUMAN | Actin, cytoplasmic 1 | x | x | x | |
26 | ACTG_HUMAN | Actin cytoplasmic 2 | x | x | x | ||
16 | CO6A1_HUMAN | Collagen alpha-1(VI) chain | x | x | |||
10 | CO6A2_HUMAN | Collagen alpha-2(VI) chain | x | x | |||
4 | TRY6_HUMAN | Putative trypsin 6 | |||||
3 | H2A1B_HUMAN | Histone H2A type 1 B | |||||
20 | 6 | H2AX_HUMAN | Histone H2A x | x | x | ||
6 | 10 | 15 | H2B1K_HUMAN | Histone H2B type 1 K | x | ||
21 | H31_HUMAN | Histone H3.1 | |||||
17 | 36 | H33_HUMAN | Histone H3.3 | ||||
12 | 15 | 10 | H4_HUMAN | Histone H4 | |||
11 | 9 | 8 | H13_HUMAN | Histone H1.3 | x | ||
6 | 4 | 4 | H14_HUMAN | Histone H1.4 | x |
a Number of peptides identified in the mass spectrometry analysis.
b Functional categorization using Ingenuity Pathway Analysis software. The functional categories more represented in the proteomics analysis were Cancer (Can), Proliferation (Prol) (including cellular growth, cell cycle and cell death) and Development (Dev) (including cell signaling, cellular assembly and organization, tissue remodeling and maintenance).