Preprint Article Version 1 This version is not peer-reviewed

The Dual Role of Oat Bran Water Extract in Bone Homeostasis Through the Regulation of Osteoclastogenesis and Osteoblast Differentiation

Version 1 : Received: 5 November 2018 / Approved: 15 November 2018 / Online: 15 November 2018 (11:38:53 CET)

A peer-reviewed article of this Preprint also exists.

Kim, S.-H.; Kim, K.-J.; Kang, H.J.; Son, Y.-J.; Choi, S.-W.; Lee, M.-J. The Dual Role of Oat Bran Water Extract in Bone Homeostasis Through the Regulation of Osteoclastogenesis and Osteoblast Differentiation. Molecules 2018, 23, 3119. Kim, S.-H.; Kim, K.-J.; Kang, H.J.; Son, Y.-J.; Choi, S.-W.; Lee, M.-J. The Dual Role of Oat Bran Water Extract in Bone Homeostasis Through the Regulation of Osteoclastogenesis and Osteoblast Differentiation. Molecules 2018, 23, 3119.

Journal reference: Molecules 2018, 23, 3119
DOI: 10.3390/molecules23123119

Abstract

The number of patients with bone metabolic disorders including osteoporosis is increasing worldwide. These disorders often facilitate bone fractures, which seriously impact the patient’s quality of life and could lead to further health complications. Bone homeostasis is tightly regulated to balance bone resorption and formation. However, many anti-osteoporotic agents are broadly categorized as either bone forming or anti-resorptive, and their therapeutic use is often limited due to unwanted side effects. Therefore, safe and effective therapeutic agents are needed for osteoporosis. This study aims to clarify the bone protecting effects of oat bran water extract (OBWE) and its mode of action. OBWE inhibited RANKL-induced osteoclast differentiation by blocking c-Fos/NFATc1 through the alteration of I-κB. Furthermore, we found that OBWE enhanced BMP-2-stimulated osteoblast differentiation by the induction of Runx2 via Smad signaling molecules. In addition, the anti-osteoporotic activity of OBWE was also evaluated using an in vivo model. OBWE significantly restored ovariectomy-induced bone loss. These in vitro and in vivo results showed that OBWE has the potential to combat bone metabolic disorders including osteoporosis

Subject Areas

Bone; Osteoclasts; Osteoblasts; Oat Bran; Osteoporosis

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