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Isolation, cultivation and initial identification of Nanobacteria from dental pulp stone
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF STOMATOLOGY
- Issue:
- 8
- DOI:
- 10.3760/j.issn:1002-0098.2006.08.017
- Key Word:
- 牙髓钙化;免疫组织化学;Nanobacteria
Abstract： 目的 从髓石中分离Nanobacteria,并进行培养和鉴定.方法 收集新鲜的27颗髓石分为9个样本,每个样本含3颗髓石,进行Nanobacteria的分离、培养,观察该菌形态学及生长特性,采用von Kossa染色、Nanobacteria单克隆抗体8D10和G1B8免疫组化和间接免疫荧光染色、Hoechst染色和von Kossa染色双重染色法联合进行Nanobacteria鉴定.结果 本次实验7个样本中所分离、培养出的细菌形态学特征与生长特性与Nanobacteria相似,von Kossa染色呈阳性反应,单克隆抗体免疫组化染色和间接免疫荧光染色阳性.双重染色实验中,样本Hoechst染色呈阴性反应,von Kossa染色呈阳性反应,而牙髓细胞的Hoechst染色可见胞核呈明显阳性反应,有2个样本中未见细菌生长.结论 髓石中可分离得到Nanobacteria,该菌的生物学特性可能在髓石的形成中起重要作用.
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