Table 1.

Origin of the fibroblasts used in studies reviewed in this article

Secreted Factor	Source of fibroblasts	Reference
Gene expression study	Patient derived oral SCC	[5]
BDNF	Cancer-free human oral fibroblasts activated by exposure to oral SCC	[7]
HGF	Cancer-free human oral fibroblasts activated by exposure to oral SCC	[9]
CCL7	Patient derived oral SCC	[10]
PGE2	Cancer-free human dermal fibroblasts activated by exposure to pharyngeal or tongue SCC	[11]
IL-1β	Cancer-free human oral fibroblasts activated by exposure to oral SCC	[12]
KGF	Patient derived oral SCC	[13]
Activin A	Patient derived lingual SCC	[14]
TGFβ	Cancer-free human oral fibroblasts activated by exposure to oral SCC	[21]
TGFβ	Patient derived HNSCCs, various locations	[22]
BMP4	Patient derived lingual, tonsilar and laryngeal SCC	[24]
HGF	Patient-derived lingual, tonsillar and laryngeal SCC	[25]
MMPs	Patient derived lingual and pharyngeal SCC	[26]
MMPs	Cancer-free human oral fibroblasts activated by exposure to oral SCC	[27]
MMPs	Patient derived oral and pharyngeal SCC	[28]
MMPs	Human gingival fibroblast from cancer free subjects	[29]