Oral administration of phytocomponent p-hydroxycinnamic acid prevents bone loss in ovariectomized rats

Masayoshi Yamaguchi, Ying Ling Lai, Satoshi Uchiyama, Taeko Nakagawa
Molecular and cellular biochemistry · 2007 · vol. 311(1-2) , pp. 31–36 · doi:10.1007/s11010-007-9689-x · PMID:18165927 · W2018903892
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Oral administration of p-hydroxycinnamic acid prevented ovariectomy-induced bone loss in rats by restoring mineral content, density, and strength indices in femoral tissues.

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Abstract

The preventive effect of phytocomponent p-hydroxycinnamic acid (HCA) on ovariectomy (OVX)-induced bone loss was investigated. HCA (250 or 500 microg/100 g body weight) was orally administered once daily for 30 days to OVX rats. The analysis using a peripheral quantitative computed tomography (pQCT) showed that OVX caused bone loss in the femoral-metaphyseal tissues. This change was significantly restored after the administration of HCA (250 or 500 microg/100 g body weight) to OVX rats. Mineral content, mineral density, and polar strength strain index in the femoral-metaphyseal tissues were significantly decreased in OVX rats. These decreases were significantly restored after the administration of HCA (500 microg/100 g) to OVX rats. Moreover, OVX caused a significant decrease in calcium content or alkaline phosphatase activity in the femoral-diaphyseal and -metaphyseal tissues. These decreases were significantly restored after the administration of HCA (250 or 500 microg/100 g) to OVX rats. Deoxyribonucleic acid (DNA) content in the diaphyseal or metaphyseal tissues was significantly increased in OVX rats. These increases were significantly restored after oral administration of HCA (500 microg/100 g). This study demonstrates that HCA has preventive effects on OVX-induced bone loss of rats in vivo.

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MeSH descriptors

Bone and Bones Bone Density Conservation Agents Coumaric Acids Osteoporosis, Postmenopausal Ovariectomy Plant Extracts Plant Extracts Plant Extracts Administration, Oral Animals Bone and Bones Bone and Bones Bone and Bones Bone and Bones Bone Density Bone Density Bone Density Conservation Agents Bone Density Conservation Agents Coumaric Acids Coumaric Acids

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