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Article Dans Une Revue Biomedicines Année : 2022

Role of NLRP7 in Normal and Malignant Trophoblast Cells

Roland Abi Nahed
Maya Elkhoury Mikhael
  • Fonction : Auteur
Deborah Reynaud
Constance Collet
  • Fonction : Auteur
Nicolas Lemaitre
  • Fonction : Auteur
Thierry Michy
  • Fonction : Auteur
Pascale Hoffmann
  • Fonction : Auteur
Frederic Sergent
  • Fonction : Auteur
Christel Marquette
Padma Murthi
Tiphaine Raia-Barjat
  • Fonction : Auteur
Mohamed Benharouga

Résumé

Gestational choriocarcinoma (CC) is an aggressive cancer that develops upon the occurrence of abnormal pregnancies such as Hydatidiform moles (HMs) or upon non-molar pregnancies. CC cells often metastasize in multiple organs and can cause maternal death. Recent studies have established an association between recurrent HMs and mutations in the Nlrp7 gene. NLRP7 is a member of a new family of proteins that contributes to innate immune processes. Depending on its level of expression, NLRP7 can function in an inflammasome-dependent or independent pathway. To date, the role of NLRP7 in normal and in malignant human placentation remains to be elucidated. We have recently demonstrated that NLRP7 is overexpressed in CC trophoblast cells and may contribute to their acquisition of immune tolerance via the regulation of key immune tolerance-associated factors, namely HLA family, βCG and PD-L1. We have also demonstrated that NLRP7 increases trophoblast proliferation and decreases their differentiation, both in normal and tumor conditions. Actual findings suggest that NLRP7 expression may ensure a strong tolerance of the trophoblast by the maternal immune system during normal pregnancy and may directly affect the behavior and aggressiveness of malignant trophoblast cells. The proposed review summarizes recent advances in the understanding of the significance of NLRP7 overexpression in CC and discusses its multifaceted roles, including its function in an inflammasome-dependent or independent pathways.
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hal-03602474 , version 1 (27-03-2024)

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Roland Abi Nahed, Maya Elkhoury Mikhael, Deborah Reynaud, Constance Collet, Nicolas Lemaitre, et al.. Role of NLRP7 in Normal and Malignant Trophoblast Cells. Biomedicines, 2022, 10 (2), pp.252. ⟨10.3390/biomedicines10020252⟩. ⟨hal-03602474⟩
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