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Founded Year

1958

About Shanghai Cancer Institute

Shanghai Cancer Institute is an independent research institution on cancer.

Shanghai Cancer Institute Headquarter Location

Shanghai, Shanghai,

China

Latest Shanghai Cancer Institute News

Automatic Time-Resolved Fluorescence Immunoassay of Serum Alpha Fetoprotein-L3 Variant via LCA Magnetic Cationic Polymeric Liposomes Improves the Diagnostic Accuracy of Liver Cancer

Jul 9, 2020

Kai Wang,1,2 Yuzhong Li,3 Xiaowei Wang,4 Jianpeng Jiao,4 Ying Li,3 Wenyue Gu,5 Xiaofei Liang2,6 1Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences and Shanghai Public Health Clinical Center, Shanghai Medical College, Fudan University, Shanghai 200032, People’s Republic of China; 2State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200032, People’s Republic of China; 3Department of Clinical Laboratory, Second Affiliated Hospital of Dalian Medical University, Dalian 116023, People’s Republic of China; 4Department of Traditional Chinese Medicine, Changzheng Hospital, Shanghai 200001, People’s Republic of China; 5Department of Pathology, Yancheng Hospital Affiliated Southeast University, Yancheng, Jiangsu 224000, People’s Republic of China; 6Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China Correspondence: Ying Li; Xiaofei Liang Email dyeyly@163.com; xfliang2019@163.com Purpose: The aim of this study was to develop an avidin-modified macromolecular lipid magnetic sphere and its application in differential diagnosis of liver disease and liver cancer. Materials and Methods: Lectin-modified macromolecular lipid magnetic spheres were prepared by thin-film hydration method using lentil lectin derivatives (LCA-HQ) and cholesterol as raw materials. Alpha-fetoprotein variants (AFP-L3) in serum from healthy people, liver disease and liver cancer patients were isolated using the prepared lectin-modified macromolecular lipid magnetic spheres, and alpha-fetoprotein (AFP) and AFP-L3 were detected by fully automatic time-resolved fluorescence immunoassay. Results: The lectin polymer lipid magnetic sphere prepared in this study was superparamagnetic and encapsulated by a lectin derivative. There was no significant difference in the recovery rate of AFP-L3 between avidin magnetic ball-automatic time-resolved fluorescence immunoassay and manual micro-affinity column method (p> 0.05). We found that AFP-L3 can be used as a differential indicator between liver cancer and liver disease. The positive rate of AFP and AFP-L3 in liver cancer patients was higher than that in healthy people and liver disease patients (p< 0.001). The AUC (95% CI) of AFP and AFP-L3 were 0.743 ± 0.031 and 0.850 ± 0.024, respectively. AFP-L3 AUC value is greater than AFP; therefore, AFP-L3 distinguishes liver cancer more accurately, and the difference is statistically different, p< 0.05. Conclusion: We proposed a novel method for integration of the lectin polymer lipid magnetic spheres and time-resolved fluorescence immunoassay that enables simple, accurate and rapid determination of AFP-L3 in clinical samples. To be noted, fully automatic time-resolved fluorescence immunoassay compared with the commonly used techniques in clinical practice, the measurement procedure is simple and is expected to be used for the detection and accurate diagnosis of liver cancer. Keywords: liver cancer, alpha-fetoprotein, AFP, alpha-fetoprotein variant, AFP-L3, magnetic sphere, lens culinaris agglutinin, LCA This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution - Non Commercial (unported, v3.0) License . By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms .

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Shanghai Cancer Institute is included in 1 Expert Collection, including Cancer.

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Shanghai Cancer Institute Patents

Shanghai Cancer Institute has filed 5 patents.

The 3 most popular patent topics include:

  • Clusters of differentiation
  • Immune system
  • Immunology
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9/7/2021

Clusters of differentiation, Immune system, Immunology, Monoclonal antibodies, Transcription factors

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