Both the methodology employed and the results obtained by each article are represented in this table. Ngn3, neurogenin-3; Pax4, paired box gene 4; Pax6, paired box gene 6; IL-13, interleukin 13; XIAP, X-linked inhibitor of apoptosis protein; Bcl-xL, B-cell lymphoma-extra large; Bcl-2, B-cell lymphoma 2; Pdx1, pancreatic and duodenal homeobox 1; NeuroD1, neurogenic differentiation 1; Nkx2.2, homeobox protein Nkx-2.2; Nkx6.1, homeobox protein Nkx-6.1; PCSK1, proprotein convertase 1; PP, protein phosphatase; Fas, first apoptosis signal receptor; PBMC, peripheral blood mononuclear cell.