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[Purification of human VLDL apolipoproteins by middle pressure liquid chromatography]. | LitMetric
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[Purification of human VLDL apolipoproteins by middle pressure liquid chromatography].

Yan-Fei Xin Yun Duan Zu-Yue Deng Zu-Hui Zhang Bing-Wen Liu

Sichuan Da Xue Xue Bao Yi Xue Ban

Apolipoprotein Research Unit, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu 610041, China.

Published: March 2007

Objective: To purify human VLDL apolipoproteins by middle-pressure liquid chromatography.

Methods: Human VLDLs were isolated by one step density ultracentrifugation. Delipided human VLDL was separated by Sephacryl S-200 molecular sieve chromatography. ApoE was purified by heparin Sepharose CL-6B affinity chromatography. ApoC I ,C II and C III were purified from apoC. fraction by DEAE-Sephacel ion exchange chromatography:

Results: Purified apoE, apoC I, apoC II and apoC III were obtained. SDS-PAGE and immunodiffusion tests indicated the isolated proteins were pure.

Conclusion: We have established a purification procedure for human VLDL apolipoproteins with highly efficiency and simplicity by MPLC.

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