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Applications of Animal Cell Culture TechniqueBY: Nidhi Uppangala | Category: Others | Submitted: 2010-08-27 07:48:09
Animal cells extracted from their tissue or organs are cultured in aseptic laboratory with environmental conditions same as in vivo and this technique is called as animal cell culture. Animal cells can grow as anchorage dependant or suspension culture. Cell culture techniques are used in cell and molecular biology research and studies. Some of the important areas where cell culture plays an important role are toxicity testing, cancer research, virology, gene therapy, drug discovery and many more.
Animal Cell Culture Applications:
Cell culture are used as model system to study basic cell biology and biochemistry, to study the interaction between cell and disease causing agents like bacteria, virus, to study the effect of drugs, to study the process of aging and also it is used to study triggers for ageing.
The basic difference between normal cell and cancer cell can be studied using animal cell culture technique, as both cells can be cultured in laboratory. Normal cells can be converted into cancer cells by using radiation, chemicals and viruses. Thus, the mechanism and cause of cancer can be studied. Cell culture can be used to determine the effective drugs for selectively destroy only cancer cells.
Animal cell cultures are used to replicate the viruses instead of animals for the production of vaccine. Cell culture can also be used to detect and isolate viruses, and also to study growth and development cycle of viruses. It is also used to study the mode of infection.
Animal cell culture is used to study the effects of new drugs, cosmetics and chemicals on survival and growth of a number of types of cells.Especially liver and kidney cells. Cultured animal cells are also used to determine the maximum permissible dosage of new drugs.
Cultured animal cells are used in the production of viruses and these viruses are used to produce vaccines. For example vaccines for deadly diseases like polio, rabies, chicken pox, measles and hepatitis B are produced using animal cell culture.
6.Genetically Engineered Protein:
Animal cell cultures are used to produce commercially important genetically engineered proteins such as monoclonal antibodies, insulin, hormones, and much more.
7.Replacement Tissue or Organ:
Animal cell culture can be used as replacement tissue or organs. For example artificial skin can be produced using this technique to treat patients with burns and ulcers. However research is going on artificial organ culture such as liver, kidney and pancreas. Organ culture techniques and research are being conducted on both embryonic and adult stem cell culture. These cells have the capacity to differentiate into many different types of cells and organs. It is belived that by learning to control the development and differentiation of these cells may be used to treat variety of medical conditions.
Fetal cell culture extracted from pregnant women can be used to study or examine the abnormalities of chromosomes, genes using karyotyping, and these findings can be used in early detection of fetal disorders.
Cultured animal cells can be used to introduce new genetic material like DNA or RNA into the cell. These can be used to study the expression of new genes and its effect on the health of the cell. Insect cells are used to produce commercially important proteins by infecting them with genetically altered baculoviruses.
Cultured animal cells can be genetically altered and can be used in gene therapy technique. First cells are removed from the patient lacking a functional gene or missing a functional gene. These genes are replaced by functional genes and altered cells are culture and grown in laboratory condition. Then these altered cells are introduced into the patient. Another method is by using viral vector, functional gene is inserted into the genome of viral vector and then they are allowed to infect the patient, in the hope that the missing gene will be expressed with the help of the viral vector.
11.Drug Screening and Development:
Animal cell cultures are used to study the cytotoxicity of new drug. This is also used to find out the effective and safe dosage of new drugs. Now these tests are being conducted in 384 and 1536 well plates. Cell-based assay plays an important role in pharmaceutical industry.
Animal cell culture technique plays an important role in research and development of drug discovery and also helps in improving the health and quality of life of patients suffering from dangerous diseases like cancer, genetic disorders.
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