IDO1 and cranioectodermal dysplasia: Real-time qPCR analysis showed that the mRNA expression of IDO, CD11c, CD103 and CD207 in intestinal tissue specimens of CeD patients were significantly increased in comparison to the healthy individuals (Figure1A, B, C, D; P = 0.01, P = 0.045, P < 0.001 and P < 0.001, respectively).