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Phenolic compounds in extra virgin olive oil stimulate human osteoblastic cell proliferation

García-Martínez, Olga and de Luna Bertos, María Elvira and Ramos Torrecillas, Javier and Rodríguez, Concepción Ruiz and Milia, Egle Patrizia and Lorenzo Tovar, María Luisa and Jiménez, Brigida and Sánchez-Ortiz, Araceli and Rivas Velasco, Ana María (2016) Phenolic compounds in extra virgin olive oil stimulate human osteoblastic cell proliferation. PLoS One, Vol. 11 (3), e0150045. ISSN 1932-6203. Article.

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DOI: 10.1371/journal.pone.0150045

Abstract

In this study, we aimed to clarify the effects of phenolic compounds and extracts from different extra virgin olive oil (EVOO) varieties obtained from fruits of different ripening stages on osteoblast cells (MG-63) proliferation. Cell proliferation was increased by hydroxytyrosol, luteolin, apigenin, p-coumaric, caffeic, and ferulic acids by approximately 11–16%, as compared with controls that were treated with one vehicle alone, while (+)-pinoresinol, oleuropein, sinapic, vanillic acid and derivative (vanillin) did not affect cell proliferation. All phenolic extracts stimulated MG-63 cell growth, and they induced higher cell proliferation rates than individual compounds. The most effective EVOO phenolic extracts were those obtained from the Picual variety, as they significantly increased cell proliferation by 18–22%. Conversely, Arbequina phenolic extracts increased cell proliferation by 9–13%. A decline in osteoblast proliferation was observed in oils obtained from olive fruits collected at the end of the harvest period, as their total phenolic content decreases at this late stage. Further research on the signaling pathways of olive oil phenolic compounds involved in the processes and their metabolism should be carried out to develop new interventions and adjuvant therapies using EVOO for bone health (i.e.osteoporosis) in adulthood and the elderly.

Item Type:Article
ID Code:11717
Status:Published
Refereed:Yes
Uncontrolled Keywords:Phenols, vegetable oils, oils, cell proliferation, osteoblasts, olive trees, osteoblast differentiation, osteosarcoma cells
Subjects:Area 06 - Scienze mediche > MED/28 Malattie odontostomatologiche
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Scienze Biomediche
Publisher:Public Library of Science
ISSN:1932-6203
Copyright Holders:© 2016 García-Martínez et al.
Deposited On:25 May 2017 13:16

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