Jabuticaba peel extract modulates adipocyte and osteoblast differentiation of MSCs from healthy and osteoporotic rats

Author(s)

Souza, Alann Thaffarell Portilho ^[1] ; Freitas, Gileade Pereira ^[1] ; Lopes, Helena Bacha ^[1] ; Totoli, Gabriela Guaraldo Campos ^[1] ; Tarone, Adriana Gadioli ^[2] ; Marostica-Junior, Mario Roberto ^[2] ; Rosa, Adalberto Luiz ^[1] ; Beloti, Marcio Mateus ^[1]

Affiliation

^[1] Univ Sao Paulo, Sch Dent Ribeirao Preto, Bone Res Lab, Av Cafe S-N, BR-14040904 Ribeirao Preto, SP - Brazil

^[2] Univ Estadual Campinas, Sch Food Engn, Rua Monteiro Lobato 80, BR-13083862 Campinas, SP - Brazil

• Document type: Journal article
• Source: JOURNAL OF BONE AND MINERAL METABOLISM; v. 39, n. 2 SEP 2020.
• Web of Science Citations: 0

Abstract

Introduction The jabuticaba peel extract (JPE) contains bioactive compounds that regulate fat metabolism. Because the negative correlation between fat accumulation and bone formation in bone marrow, we hypothesized that JPE inhibits adipocyte as well as favors osteoblast differentiation of mesenchymal stromal cells (MSCs) under healthy and osteoporotic conditions, a disease that display an imbalance between adipocyte and osteoblast differentiation resulting in reduced bone mass. Material and methods To test these hypotheses, bone marrow MSCs were harvested from healthy and osteoporotic rats and cultured in adipogenic and osteogenic media with three concentrations of JPE, 0.25, 5 and 10 mu g/ml, and vehicle (control). After selecting the most efficient concentrations of JPE, we used them to evaluate adipocyte and osteoblast differentiation of MSCs from both sources. Results We observed that, in general, JPE inhibited adipocyte differentiation of MSCs with more pronounced effects in cells from healthy than osteoporotic rats. In addition, JPE increased osteoblast differentiation, exhibiting a slightly higher osteogenic potential on MSCs from osteoporotic compared to healthy condition. Conclusion Our results demonstrated that JPE drives MSCs to inhibit adipocyte differentiation and toward osteoblast differentiation under healthy and osteoporotic conditions. These findings pave the way for further translational studies to investigate the therapeutic possibilities of JPE in both prevention and treatment of osteoporosis. (AU)

• FAPESP's process: 15/13320-9 - Effect of pulp oil and tea of leaves from avocado Hass variety associated with physical activity in the treatment of obesity induced by high-fat diet
• Grantee: Mário Roberto Maróstica Junior
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• FAPESP's process: 17/20349-9 - Expression of the extracellular matrix protein agrin during osteoblastic differentiation
• Grantee: Denise Weffort
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• FAPESP's process: 17/12622-7 - Cell therapy: potential of mesenchymal stem cells, VEGF-A and BMP-9 to regenerate bone tissue
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