Effects of Ligustri lucidi Fructus Extract on the Differentiation of Osteoclasts and the Proliferation of Osteoblasts
- VernacularTitle:女贞子提取物对破骨细胞分化及成骨细胞增殖的影响
- Author:
Lijuan LEI
1
;
Xiaoqin YANG
1
;
Ying ZHOU
2
;
Huijuan WANG
3
;
Lizhen CHEN
3
;
Tingting FENG
3
Author Information
1. School of Pharmaceutical Science，Guizhou University，Guiyang 550025，China;Research and Development Center for Medicinal and Edible Plant Resources of Guizhou，Guiyang 550025，China;Medicinal and Edible Plant Resources Application and Development Engineering Laboratory of Guizhou，Guiyang 550025，China
2. Research and Development Center for Medicinal and Edible Plant Resources of Guizhou，Guiyang 550025，China;Medicinal and Edible Plant Resources Application and Development Engineering Laboratory of Guizhou，Guiyang 550025，China;Pharmacy School，Guiyang College of Traditional Chinese Medicine，Guiyang 550025，China
3. Research and Development Center for Medicinal and Edible Plant Resources of Guizhou，Guiyang 550025，China;Medicinal and Edible Plant Resources Application and Development Engineering Laboratory of Guizhou，Guiyang 550025，China
- Publication Type:Journal Article
- Keywords:
Ligustri lucidi Fructus;
Ethanol extract;
Water decoction;
Osteoclasts;
Osteoblasts;
Bone resorption;
Differentiation;
Proliferation
- From:
China Pharmacy
2019;30(16):2247-2252
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVE： To investigate the effects of Ligustri lucidi Fructus extract on the differentiation of osteoclasts and the proliferation of osteoblasts. METHODS： Rabbit primary bone marrow cells were induced with 1a，25-Dihydroxyvitamin D3 to obtain osteoclasts. After treated with low-dose， medium-dose and high-dose of L. lucidi Fructus ethanol and water extract （both 2， 20， 200 mg/L）， TRACP activity determined method was used to detect the activity of TRACP in cell lysis solution and the number of TRACP positive cells. The number of celluar bone resorption lacunae and the percentage of bone lacunae area were detected by toluidine blue staining. Osteoblasts were obtained by L-ascorbic acid， β-sodium glycerophosphate and dexamethasone-induced subcloning 14 of cranial parietal anterior osteocytes in mice. MTT assay and APK activity assay were used to detect relative proliferation rate of cells and the activity of APK. RESULTS： After treated with different doses of L. lucidi Fructus extract， the number of TRACP positive cells， the number of bone resorption lacunae and their area were changed in varying degrees. TRACP activity， the number of its positive cells， the number of bone resorption lacunae and the percentage of bone lacunae area in different dosage groups of L. lucidi Fructus ethanol extract and high-dose of water extract； the TRACP activity， the number of its positive cells and the percentage of bone lacunae area in L. lucidi Fructus water extract medium-dose group were decreased significantly， while the number of bone resorption lacunae in L. lucidi Fructus water extract low-dose group was increased significantly （P＜0.05 or P＜0.01）. The relative proliferation rate of cells in L. lucidi Fructus extract low-dose and medium-dose groups and APK activity of cells in extract groups were significantly increased， while the relative proliferation rate of cells were decreased significantly in L. lucidi Fructus ethanol extract and water extract high-dose groups （P＜0.01）. CONCLUSIONS： L. lucidi Fructus extract can inhibit TRACP activity of osteoclasts， change the bone resorption function of osteoclasts and the proliferation behavior of osteoblasts and increase APK activity of osteoclasts.
