酶消化法聯(lián)合組織塊法培養(yǎng)大鼠原代成骨細(xì)胞
[Abstract]:Background: the acquisition of high purity and high activity osteoblasts is the basis of bone metabolism. Objective: to explore a simple and effective method for primary osteoblast culture. Methods: the parietal and frontal bones of the skull were isolated from SD rats within 24 hours. The osteoblasts were extracted from the parietal and frontal bones by trypsin and collagenase digestion. Cell morphology was observed by inverted phase contrast microscope and transmission electron microscope. Cell growth curve was plotted by cell count. Osteoblasts were identified by alkaline phosphatase BCIP/NBT staining and alizarin red mineralized nodule staining. Results and conclusions: (1) the shape of cells was long fusiform, triangular, irregular polygon, with two to three cell processes, (2) mitochondria and endoplasmic reticulum were abundant in osteoblasts under transmission electron microscope, and there were many cell processes in osteoblasts. There were typical osteoblasts, (3) the proliferation of the cells increased after 3 days of inoculation, and reached the peak on the 7th day; (4) the alkaline phosphatase BCIP/NBT staining was significantly positive. Alizarin red calcium nodules staining orange; (5) the cells extracted by enzyme digestion combined with tissue block method have typical characteristics and functions of osteoblasts, which is an ideal method of primary osteoblast isolation and culture.
【作者單位】: 廣西醫(yī)科大學(xué)第一附屬醫(yī)院;廣西醫(yī)科大學(xué)第一附屬醫(yī)院內(nèi)分泌科;
【基金】:國(guó)家自然科學(xué)基金資助項(xiàng)目(81260142)~~
【分類號(hào)】:R68
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