Dioxinodehydroeckol Enhances the Differentiation of Osteoblasts by Regulating the Expression of Phospho-Smad1/5/8

Lack of bone formation-related health problems are a major problem for the aging population in the modern world. As a part of the ongoing trend of developing natural substances that attenuate osteoporotic bone loss conditions, dioxinodehydroeckol (DHE) from edible brown alga Ecklonia cava was tested...

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Bibliographic Details
Published in:Marine drugs 2016-09, Vol.14 (9), p.168
Main Authors: Ahn, Byul-Nim, Karadeniz, Fatih, Kong, Chang-Suk, Nam, Ki-Ho, Jang, Mi-Soon, Seo, Youngwan, Kim, Han Seong
Format: Article
Language:English
Subjects:
3T3 Cells
Alkaline Phosphatase - metabolism
Animals
BMP-2
Bone Morphogenetic Protein 2 - biosynthesis
Bone Morphogenetic Protein 2 - genetics
Bone Morphogenetic Proteins - drug effects
Cell Differentiation - drug effects
Cell Proliferation - drug effects
Collagen Type I - biosynthesis
Collagen Type I - genetics
dioxinodehydroeckol
Dioxins - pharmacology
Ecklonia cava
MAP Kinase Signaling System - drug effects
Mice
osteoblastogenesis
Osteoblasts - drug effects
Osteoporosis - prevention & control
Phaeophyceae - chemistry
RNA - biosynthesis
RNA - genetics
Signal Transduction - drug effects
Smad
Smad Proteins - biosynthesis
Smad Proteins - genetics
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Summary:Lack of bone formation-related health problems are a major problem for the aging population in the modern world. As a part of the ongoing trend of developing natural substances that attenuate osteoporotic bone loss conditions, dioxinodehydroeckol (DHE) from edible brown alga Ecklonia cava was tested for its effects on osteoblastogenic differentiation in MC3T3-E1 pre-osteoblasts. DHE was observed to successfully enhance osteoblast differentiation, as indicated by elevated cell proliferation, alkaline phosphatase activity, intracellular cell mineralization, along with raised levels of osteoblastogenesis indicators at the concentration of 20 μM. Results suggested a possible intervening of DHE on the bone morphogenetic protein (BMP) signaling pathway, according to elevated protein levels of BMP-2, collagen-I, and Smads. In addition, the presence of DHE was also able to raise the phosphorylated extracellular signal-regulated kinase (ERK) and c-Jun N-terminal kinase (JNK) levels which are also activated by the BMP signaling pathway. In conclusion, DHE is suggested to be a potential bioactive compound against bone loss that could enhance osteoblastogenesis with a suggested BMP pathway interaction.
ISSN:1660-3397
1660-3397
DOI:10.3390/md14090168