摘要
目的： 分离伯氏疟原虫敏感株（ Ｃ Ｓ） 与抗氯喹株的氯喹（ｃｈｌｏｒｏｑｕｉｎｅ Ｃ Ｑ） 结合蛋白。方法： 给两株感染鼠ｉｇ Ｃ Ｑ４００ ｍｇ／ｋｇ ， ３ ｈ 后， 收集伯氏疟原虫用（ Ｕｌｔｒｏｇｅｌ Ｒ） Ａｃ Ａ３４ 凝胶柱分离蛋白， 按 Ｂｅｒｇｑｖｉｓｔ 法抽提与蛋白结合的 Ｃ Ｑ， 然后用 Ｈ Ｐ Ｌ Ｃ （ 外标法） 定量。结果： Ｃ Ｓ 有５８ 个蛋白峰， 均与 Ｃ Ｑ 结合， 其中以 Ｎｏ６４ ～８６部分（ 峰９） 结合的 Ｃ Ｑ 量最多， 占总结合量的１６４ ％ 。抗氯喹伯氏疟原虫（ Ｃ Ｒ） 有４０ 个蛋白峰， 除８ 个峰外，均与 Ｃ Ｑ 结合， 结合量最多的蛋白部分与 Ｃ Ｓ相同， 在 Ｎｏ６０ ～８３ 部分（ 峰６ 及峰７） ， 但是它与 Ｃ Ｑ 的结合能力（ Ｃ Ｑｎｍｏｌ／ ｍｇ 蛋白） 显著高于 Ｃ Ｓ。结论： 分离与测定了 Ｃ Ｓ和 Ｃ Ｒ 两株疟原虫各个蛋白峰的分布与定量， 及其与 Ｃ Ｑ 结合的能力。在同一株疟原虫中， 各蛋白与 Ｃ Ｑ 的结合能力存有差异， 在 Ｃ Ｓ与 Ｃ Ｒ 间此差异更大。
AIM: To isolate and quantitate chloroquine (CQ)\|binding proteins in both CQ\|sensitive (CS) AND CQ\|resistant (CR) Plasmodium berghei . METHODS: P\^berghei infected mice were each given ig CQ 400 mg/kg, respectively, 3 h later, the proteins of the parasites collected were separated using Ultrogel R AcA 34 gel column , followed by CQ extraction , the CQ concentration was determined by HPLC (extra standard). RESULTS: There were 58 protein peaks in the CS, all of which were bound with CQ,fraction Nos. 64～86 (peak 9) being the predominant, accounting for 16\^4% of the total amount of CQ\|binding protein. In the CR there were 40 protein peaks, among which 32 were bound with CQ, the predominant fraction Nos\^60～83 (peaks 6,7),had a higher CQ\|binding ability than CS. CONCLUSION: The distribution and amount of each CQ\|binding protein peak in both CS and CR strains of P.berghei were demonstrated, exhibiting differences in the ability of CQ\|binding not only between CS and CR strains but also within the same strain.
出处
《中国寄生虫学与寄生虫病杂志》
CAS
CSCD
北大核心
1999年第4期228-230,共3页
Chinese Journal of Parasitology and Parasitic Diseases
基金
国家自然科学基金
