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Choltus H, Lavergne M, De Sousa Do Outeiro C, Coste K, Belville C, Blanchon L, Sapin V. Pathophysiological Implication of Pattern Recognition Receptors in Fetal Membranes Rupture: RAGE and NLRP Inflammasome. Biomedicines 2021; 9:biomedicines9091123. [PMID: 34572309 PMCID: PMC8466405 DOI: 10.3390/biomedicines9091123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/25/2021] [Accepted: 08/26/2021] [Indexed: 12/28/2022] Open
Abstract
Preterm prelabor ruptures of fetal membranes (pPROM) are a pregnancy complication responsible for 30% of all preterm births. This pathology currently appears more as a consequence of early and uncontrolled process runaway activation, which is usually implicated in the physiologic rupture at term: inflammation. This phenomenon can be septic but also sterile. In this latter case, the inflammation depends on some specific molecules called “alarmins” or “damage-associated molecular patterns” (DAMPs) that are recognized by pattern recognition receptors (PRRs), leading to a microbial-free inflammatory response. Recent data clarify how this activation works and which receptor translates this inflammatory signaling into fetal membranes (FM) to manage a successful rupture after 37 weeks of gestation. In this context, this review focused on two PRRs: the receptor for advanced glycation end-products (RAGE) and the NLRP7 inflammasome.
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Affiliation(s)
- Helena Choltus
- CNRS, INSERM, GReD, Université Clermont Auvergne, 63000 Clermont-Ferrand, France; (H.C.); (M.L.); (C.D.S.D.O.); (K.C.); (C.B.); (L.B.)
| | - Marilyne Lavergne
- CNRS, INSERM, GReD, Université Clermont Auvergne, 63000 Clermont-Ferrand, France; (H.C.); (M.L.); (C.D.S.D.O.); (K.C.); (C.B.); (L.B.)
| | - Coraline De Sousa Do Outeiro
- CNRS, INSERM, GReD, Université Clermont Auvergne, 63000 Clermont-Ferrand, France; (H.C.); (M.L.); (C.D.S.D.O.); (K.C.); (C.B.); (L.B.)
| | - Karen Coste
- CNRS, INSERM, GReD, Université Clermont Auvergne, 63000 Clermont-Ferrand, France; (H.C.); (M.L.); (C.D.S.D.O.); (K.C.); (C.B.); (L.B.)
| | - Corinne Belville
- CNRS, INSERM, GReD, Université Clermont Auvergne, 63000 Clermont-Ferrand, France; (H.C.); (M.L.); (C.D.S.D.O.); (K.C.); (C.B.); (L.B.)
| | - Loïc Blanchon
- CNRS, INSERM, GReD, Université Clermont Auvergne, 63000 Clermont-Ferrand, France; (H.C.); (M.L.); (C.D.S.D.O.); (K.C.); (C.B.); (L.B.)
| | - Vincent Sapin
- CNRS, INSERM, GReD, Université Clermont Auvergne, 63000 Clermont-Ferrand, France; (H.C.); (M.L.); (C.D.S.D.O.); (K.C.); (C.B.); (L.B.)
- CHU de Clermont-Ferrand, Biochemistry and Molecular Genetic Department, 63000 Clermont-Ferrand, France
- Correspondence: ; Tel.: +33-473-178-174
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