Gastrointestinal digestates of Grana Padano and Trentingrana cheeses promote intestinal calcium uptake and extracellular bone matrix formation in vitro

Filippo Rossi, Paola De Luca, Sara Bruschi, Maurizio Maggioni, Anita Ferraretto, Margherita Maggioni, Milda Stuknytė, Stefano Cattaneo, Michela Bottani, Amelia Fiorilli, Ivano De Noni

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

7 Citazioni (Scopus)

Abstract

In the present work, Grana Padano (GP) and Trentingrana (TN) cheeses at different ripening time were in vitro digested. To study calcium uptake and utilization, the intact digestates (selected doses that do not alter cell viability and TEER) were administered to Caco2/HT- 29 70/30 cells, cultured on a semipermeable membrane in transwells, as a model of human intestinal epithelium. Intact digestates as well as the whole basolateral solutions (miming the passage of digestates through intestinal cells before reaching the blood flow and bone) in parallel were further administered to human osteoblast-like cells SaOS-2 to study the extracellular bone matrix formation. GP and TN in vitro digestates promoted calcium uptake and extracellular bone matrix formation independently of both the cheese type and its ripening period (13, 19 or 26 months). For the first time, the present study reports the ability of whole digestates of GP and TN cheeses to improve intestinal calcium absorption and bone matrix formation in vitro. Once fully explored at bone level, this finding could better support the role of cheese in ameliorating calcium deficiencies and associated diseases in vivo.
Lingua originaleEnglish
pagine (da-a)820-827
Numero di pagine8
RivistaFood Research International
Stato di pubblicazionePubblicato - 2016

Keywords

  • Ca uptake
  • peptides

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