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Biotechnology widely used in medicine

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Biotechnology widely used in medicine

Date of release:2016-07-27 Author: Click:

        Biotechnology has a close relationship with medicine. Biotechnology has a deep exploration of micro-elements such as cells. The theory can promote the rapid development of medicine to a great extent. With the continuous progress of technology in medicine, biotechnology can be better integrated into medicine and promote the progress of medicine. Below I Let's take a look at the application of biotechnology in medicine. Ji'nan cell engineering(Living cells


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Medical aspects

The field of medicine and health is one of the most widely used modern biotechnology, with the most remarkable achievements, the fastest development and the greatest potential. Active immunization of human body with vaccine is one of the most effective means to prevent infectious diseases. Injections or oral vaccines can activate the body's immune system to produce specific antibodies specific to pathogens.

After 1970s, people began to use genetic engineering technology to produce vaccines. Genetically engineered vaccine is to recombine a certain protein gene of pathogen into bacteria or eukaryotic cells, using bacteria or eukaryotic cells to produce a large number of pathogen proteins, using this protein as a vaccine. For example, the use of genetic engineering to produce hepatitis B vaccine for hepatitis B prevention. The genetic engineering hepatitis B vaccine produced in China mainly uses yeast expression system to produce vaccine.
disease diagnosis

The development and application of biotechnology have provided new diagnostic techniques, especially the application of monoclonal antibody diagnostic reagents and DNA diagnostic techniques. Many diseases, especially tumors and infectious diseases, can be accurately diagnosed at an early stage.
Monoclonal antibodies have been developed rapidly because of its obvious superiority. There are tens of thousands of monoclonal antibodies developed in the world. They are mainly used in clinical diagnosis, therapeutic reagents, specific killing tumor cells and so on. Some monoclonal antibodies can be linked with radioisotopes, toxins and chemicals for cancer treatment, it accurately locates the cancerous site, killing cancer cells, has the "biological missile" and "tumor nemesis".
DNA diagnosis technology is to use recombinant DNA technology, directly from the level of DNA to make the diagnosis of human genetic diseases, tumors, infectious diseases and other diseases. It has the advantages of high specificity, high sensitivity and easy operation.

Disease treatment

Biotechnology includes the provision of drugs, gene therapy and organ transplantation in the treatment of diseases. Genetic engineering can produce a large number of drugs which are scarce and expensive and reduce the burden of patients. These rare drugs include somatostatin, insulin, interferon and so on.
Gene therapy is a new treatment for human diseases using genetic engineering technology and molecular genetics principles.
The first successful gene therapy in the world was carried out on a 4 year old American girl.
Lack of adenosine deaminase and complete loss of immune function, before treatment can only live in a sterile room, otherwise will be due to infection and death. After treatment, the girl can enter ordinary primary school. As of June 1997, 218 clinical gene therapies had been approved worldwide, with a total of 2,557 patients receiving gene therapy and gene transfer.
Researchers such as Robert Weinberg, published in the June 3, 2013 issue of the Journal of Breast Cancer Invasiveness, have achieved new results: genes determine the fate of breast cancer cells.

In 1990, the Human Genome Project was officially launched in the United States. On April 14, 2003, scientists from six countries, China, the United States, Britain, Japan, France and Germany, announced the success of mapping the human genome sequence map. The completion of the Human Genome Project will help people to understand the pathogenesis of many genetic diseases and cancer, and will provide more theoretical basis for gene therapy. Organ transplantation technology is developing towards xenotransplantation, that is, using modern biotechnology to transfer human genes to another species, and then remove the organs of this species into the human body, replacing the sick "parts". In addition, cloning technology can also be used to create fully suitable organs for the human body, to replace the human body "critically ill" organs.


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