FGF2 and eosinophilic esophagitis: In plasma from HC subjects (n = 10), bFGF levels were low (mean 0.13 pg/mL, s.e. 0.09 pg/mL) while bFGF was significantly upregulated in EoE subjects (n = 10, mean 81.98 pg/mL, s.e. 17.23 pg/mL for EoE, p < 0.05).