Comment on

• Indoleamine 2,3-dioxygenase expression is restricted to fetal trophoblast giant cells during murine gestation and is maternal genome specific.

  Baban B, Chandler P, McCool D, Marshall B, Munn DH, Mellor AL. Baban B, et al. J Reprod Immunol. 2004 Apr;61(2):67-77. doi: 10.1016/j.jri.2003.11.003. J Reprod Immunol. 2004. PMID: 15063630
• Indoleamine 2,3-dioxygenase (IDO) expression in invasive extravillous trophoblast supports role of the enzyme for materno-fetal tolerance.

  Hönig A, Rieger L, Kapp M, Sütterlin M, Dietl J, Kämmerer U. Hönig A, et al. J Reprod Immunol. 2004 Apr;61(2):79-86. doi: 10.1016/j.jri.2003.11.002. J Reprod Immunol. 2004. PMID: 15063631
• Indoleamine 2,3-dioxygenase: distribution and function in the developing human placenta.

  Kudo Y, Boyd CA, Spyropoulou I, Redman CW, Takikawa O, Katsuki T, Hara T, Ohama K, Sargent IL. Kudo Y, et al. J Reprod Immunol. 2004 Apr;61(2):87-98. doi: 10.1016/j.jri.2003.11.004. J Reprod Immunol. 2004. PMID: 15063632