Liver cancer superantigen immunogene therapy agent

A gene therapy and superantigen technology, applied in the field of genetic engineering, can solve the problems of lag, unsuccessful gene therapy for liver cancer, and late start, and achieve the effects of preventing recurrence, treating metastatic lesions, and enhancing curative effect.

Inactive Publication Date: 2003-03-12
FOURTH MILITARY MEDICAL UNIVERSITY
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Problems solved by technology

Tumor gene therapy is a new biological treatment method that has emerged since the latter part of the last century. American biotechnology companies have invested about 1 billion US dollars in gene therapy research and clinical practice, accounting for more ...

Method used

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Embodiment Construction

[0010] Below in conjunction with embodiment the present invention is described in further detail.

[0011]According to the technical scheme of the present invention, the total DNA of the cell genome is isolated from liver cancer cells with high secretion of alpha-fetoprotein (AFP), and specific primers are designed: 5'GCAACTTAGGGACAAGT 3'GGAAAATCATGCTGA AA and 5'GCTGGCTTCACAGACTTATG 3'GGAGACCAGTTAGGAAGT, amplified by PCR 反应,分别获得AFP启动子和顺式增强子序列,其序列如下:AFP启动子序列GCAACTTAGGGACAAGTCATCTCTTTGAATATTCTGTAGTTTGAGGAGAATATTTGTTATATTTGCAAAATAAAATAAGTTTGCAAGTTTTTTTTTTCTGCCCCAAAGAGCTCTGTGTCCTTGAACATAAAATACAAATAACCGCTATGCTGTTAATTATTGGCAAATGTCCCATTTTCAACCTAAGGAAATACCATAAAGTAACAGATATACCAACAAAAGGTTACTAGTTAACAGGCATTGCCTGAAAAGAGTATAAAAGAATTTCAGCATGATTTTCCAFP增强子序列 TCAATAGGCATAGAGCCAGGACTGTTTGGGTAAACTGGTCACTTTATCTTAAACTAAATATCCAAAACTGAACATGTACTTAGTTACTAAGTCTTTGACTTTATCTCATTCATACCACTCAGCTTTATCCAGGCCACTTATTTGACAGTATTATTGCGAAAACTTCCTAACTGGTCTCC

[0012] Special primers were designed to amplify the complete...

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Abstract

A super-antigen immune gene treater for liver cancer is characterized by that the liver cancer cell specific regulation sequence mediated super-antigen moleculae and co-stimulation moleculae are target expressed in liver cancer cells to specifically enhance the immunogenicity of cancer cell and the recognition action to immunoeffect cells. after the treater is injected to cancer region, it can effectively kill cancer cells.

Description

1. Technical field [0001] The invention relates to genetic engineering technology, in particular to a liver cancer superantigen immune gene therapy agent. 2. Background technology [0002] Hepatocellular carcinoma (liver cancer) is one of the most common malignancies. At present, surgical resection is still the main treatment for liver cancer, but recurrence and metastasis often occur after surgery, and the mortality rate remains high. Tumor gene therapy is a new biological treatment method that has emerged since the latter part of the last century. American biotechnology companies have invested about 1 billion US dollars in gene therapy research and clinical practice, accounting for more than 60% of the total research funding (National Reference Center for Bioethics Literature, USA), our country started relatively late in gene therapy and is in a relatively lagging state. There has not been any successful research report on gene therapy for liver cancer. 3. Contents of t...

Claims

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Application Information

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IPC IPC(8): A61K48/00A61P35/00
Inventor 隋延仿
Owner FOURTH MILITARY MEDICAL UNIVERSITY
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