An alternative role of C1q in cell migration and tissue remodeling: Contribution to trophoblast invasion and placental development

Chiara Agostinis, Roberta Bulla, Claudio Tripodo, Angela Gismondi, Helena Stabile, Fleur Bossi, Carla Guarnotta, Cecilia Garlanda, Francesco De Seta, Paola Spessotto, Angela Santoni, Berhane Ghebrehiwet, Guillermina Girardi, Francesco Tedesco

Research output: Contribution to journalArticle

71 Citations (Scopus)

Abstract

Fetal trophoblast cells invading the decidua in the early phase of pregnancy establish complex interaction with the maternal extracellular matrix. We discovered that C1q was widely distributed in human decidual stroma in the absence of C4 and C3 and was actively synthesized by migrating extravillous trophoblasts. The cells expressed the messages for the three chains of C1q and secreted this complement component that interacted with the proteins of the decidual extracellular matrix. Solid phase-bound C1q promoted trophoblast adhesion and migration, and cell binding to C1q resulted in activation of ERK1/2 MAPKs. Ab inhibition experiments showed that the receptors for the globular head of C1q/p33 and a 4β 1 integrin were both involved in this process and were colocalized on the cell surface following binding of C1q to trophoblasts. We also found that C1q -/- mice manifested increased frequency of fetal resorption, reduced fetal weight, and smaller litter sizes compared with wild-type mice. C1q deficiency was associated with impaired labyrinth development and decidual vessel remodeling. Collectively, these data suggest that C1q plays an important role in promoting trophoblast invasion of decidua and that defective local production of C1q may be involved in pregnancy disorders, such as pre-eclampsia, characterized by poor trophoblast invasion.

Original languageEnglish
Pages (from-to)4420-4429
Number of pages10
JournalJournal of Immunology
Volume185
Issue number7
DOIs
Publication statusPublished - Oct 1 2010

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Placentation
Trophoblasts
Cell Movement
Decidua
Fetal Resorption
Complement C1q
Pregnancy
Litter Size
Fetal Weight
Extracellular Matrix Proteins
Inner Ear
Pre-Eclampsia
Cell Adhesion
Integrins
Extracellular Matrix
Mothers

ASJC Scopus subject areas

  • Immunology
  • Medicine(all)

Cite this

An alternative role of C1q in cell migration and tissue remodeling : Contribution to trophoblast invasion and placental development. / Agostinis, Chiara; Bulla, Roberta; Tripodo, Claudio; Gismondi, Angela; Stabile, Helena; Bossi, Fleur; Guarnotta, Carla; Garlanda, Cecilia; De Seta, Francesco; Spessotto, Paola; Santoni, Angela; Ghebrehiwet, Berhane; Girardi, Guillermina; Tedesco, Francesco.

In: Journal of Immunology, Vol. 185, No. 7, 01.10.2010, p. 4420-4429.

Research output: Contribution to journalArticle

Agostinis, Chiara ; Bulla, Roberta ; Tripodo, Claudio ; Gismondi, Angela ; Stabile, Helena ; Bossi, Fleur ; Guarnotta, Carla ; Garlanda, Cecilia ; De Seta, Francesco ; Spessotto, Paola ; Santoni, Angela ; Ghebrehiwet, Berhane ; Girardi, Guillermina ; Tedesco, Francesco. / An alternative role of C1q in cell migration and tissue remodeling : Contribution to trophoblast invasion and placental development. In: Journal of Immunology. 2010 ; Vol. 185, No. 7. pp. 4420-4429.
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