Anticancer research · 2007
Expression of the pantumour Thomsen-Friedenreich antigen in the human placenta with the diagnosis of hydatidiform mole.
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Richter D U, Jeschke U, Makovitzky J, Gerber B, Briese V
Аннотация
BACKGROUND: The Thomsen-Friedenreich (TF) antigen (or, more precisely, epitope, Galbeta1-3GalNAc) has long been known as a pancarcinoma antigen. Specific carrier proteins of the TF-antigen are the mucins, in particular Mucin 1. Here, we present our results of immunohistochemical identification of this carbohydrate antigen in human placenta.
MATERIALS AND METHODS: Paraffin-embedded placental and decidual tissues from patients with the diagnosis hydatidiform mole were incubated with different monoclonal antibodies directed against TF-epitope (CD 176, IgM) and against Mucin 1 (CD 227, IgG).
RESULTS: No expression of the TF-antigen or of Mucin 1 (Muc 1) was found in the decidual tissues, but the samples of chorionic tissues were TF- and Muc 1-antigen positive. As positive control, placental samples of the first trimester were investigated.
CONCLUSION: A disorder of the extravillous trophoblast cells is present in hydatidiform mole.
MATERIALS AND METHODS: Paraffin-embedded placental and decidual tissues from patients with the diagnosis hydatidiform mole were incubated with different monoclonal antibodies directed against TF-epitope (CD 176, IgM) and against Mucin 1 (CD 227, IgG).
RESULTS: No expression of the TF-antigen or of Mucin 1 (Muc 1) was found in the decidual tissues, but the samples of chorionic tissues were TF- and Muc 1-antigen positive. As positive control, placental samples of the first trimester were investigated.
CONCLUSION: A disorder of the extravillous trophoblast cells is present in hydatidiform mole.