China's transgenic technology research enters a new stage
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Last Update: 2001-08-14
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Source: Internet
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Author: User
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Introduction: Li Ning, Professor of China Agricultural University, introduced the modified human antitrypsin gene into goat prokaryotic embryos by microinjection After two years of efforts, four transgenic sheep were obtained in June 2000 At present, the transgenic sheep have been identified by two molecular biological techniques, PCR and DNA hybridization, which proved the success of the transgenic Transgenic sheep is a "goat breast bioreactor" project implemented by Beijing xingluyuan Biotechnology Center In the past two years, 1036 goat eggs have been obtained and nearly 100 ewes have been transplanted The success rate of the transgenic experiment was 13.79% One of the goals of obtaining transgenic technology is to extract human medical protein from goat milk and develop nutritional products and biological drugs containing human health protein in the future Relevant experts believe that obtaining transgenic sheep of human gene marks the new stage of transgenic technology in China, and explores a new way to produce biological drugs by using animal mammary gland bioreactor.
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