Advantages of Human Genetic Engineering Essay Example for Free

Advantages of Human Genetic Engineering Essay Genetic engineering in its present form has been around for approximately twenty five years. The dictionary defines human genetic engineering as the alteration of an individuals genotype with the aim of choosing the phenotype of a newborn or changing the existing phenotype of a child or adult. There are many social consequences that are associated with genetic engineering which has caused much debate from its beginning in 1970s. The benefits of human genetic engineering are endless, the most predominant advantages include curing genetic diseases, increasing human immunity, and the production of more effective pharmaceuticals. The most promising benefit of human genetic engineering is gene therapy. Gene therapy is the medical treatment of a disease by repairing or replacing defective genes or introducing therapeutic genes to fight the disease. Over the past ten years, certain autoimmune diseases diseases resulting from a disordered immune system reaction and heart disease have been treated with gene therapy. Many diseases, such as Huntingtons disease, Lou Gehrigs disease, or. ALS, and cystic fibrosis are caused by a defective gene. The hope is that soon, through genetic engineering, a cure can be found for these diseases by either inserting a corrected gene, modifying the defective gene, or even performing genetic surgery. Eventually the hope is to completely eliminate certain genetic diseases as well as treat non-genetic diseases with an appropriate gene therapy. Gene therapy researchers are also studying ways to improve a patients immune response to cancer. In this approach, the treatment is used to stimulate the bodys natural ability to attack cancer cells. In one method, researchers take a small blood sample from a patient and insert genes that will cause each cell to produce a protein called a T-cell receptor, or TCR, which is responsible for recognizing antigens and disease fighting antibodies. The genes are transferred into the patients white blood cells and are then given back to the patient. In the body the TCRs then recognize and attach to certain molecules found on the surface of the tumor cells. Finally, the TCRs activate the white blood cells to attack and kill the tumor cells. Scientists are also investigating the insertion of genes into cancer cells to make them more sensitive to chemotherapy, radiation therapy, or other treatments. In other studies, researchers remove healthy blood-forming stem cells from the body, insert a gene that makes these cells more resistant to the side effects of high doses of anticancer drugs, and then inject the cells back into the patient. Human genetic engineering can also be used as a disease preventative by increasing ones immunity. People infected with a serious illness may not show symptoms of the disease for long periods of time. These latent, or inactive, infections can develop into an active disease without warning and also can be passed on to others. This new approach focuses on controlling or stimulating the immune system to cure latent infections and prevent them from causing disease. This research in immunity has the potential to significantly reduce illness, death, and disease transmission. An example of this preventative application is the improvement in the treatment of HIV. The AIDS/HIV disease is a viral infection that destroys immune responses. The disease can be treated with drugs, however these drugs do not eliminate the virus from the body. Currently a patient must remain on these drugs for the remainder of their life. The purpose of genetic engineerings pre-clinical studies is to advance towards clinical trials with a cell-based method of enhancing the patients own immune response against the virus. This approach involves identifying anti-HIV receptors that will be introduced into the patients own blood-forming stem cells. This approach has the potential to provide long-term immune control of virus replication, and may require only one or a few administrations. Another benefit from the study of human gene altering is with the creation of new drugs. Pharmaceutical advances in genetic engineering have made it possible to use plants as factories for protein production. Plant-made pharmaceuticals are made by inserting a segment of DNA that encodes the protein of choice into plant cells. The plants or plant cells are essentially factories used to produce the desired proteins and are only grown for the purpose of human pharmaceuticals. An example of this pharmaceutical application is gene splicing, one of the earliest uses of genetic engineering. Gene splicing was first used to manufacture large amounts of insulin, which was made using cells of E. coli bacteria. Interferon, which is used to eliminate certain viruses and kill cancer cells, is also a product of genetic engineering. Another byproduct is a type of human growth hormone; its used to treat dwarfism and is produced through genetically engineered bacteria and yeasts. Today, research in the field of human genetic engineering continues to be used in the production of a variety of drugs and hormones for medical advantages. Human genetic engineering the application of scientific methods, procedures, and technologies that allow manipulation of genetic material in order to alter the hereditary traits is a topic that had been debated about for many years. The field of human genetic engineering is growing and changing at a tremendous pace. Future advance in genetic engineering could possibly eliminate diseases, deformities, prolong life, and overall improve human life.

Essay --

1. INTRODUCTION Internet abuse is generally means an employee is surfing inappropriate web sites during work hours. Visited web pages are prohibited in organizational policy, or simply because of time or frequency of an employee web browsing problem. Abuser finder project is a project that can detect and check what staff in SMK Taman Ria Jaya do during working hour such as opening sites that is unrelated to their work. It is useful to superiors to monitor what staffs do at work. Is it working or doing other work. If so, staff opened the other sites during work, superiors can criticize or take action against the staff. 2. PROBLEM STATEMENT Problem statement is where before making a solution sure there is the problem. Here, there are some problems to be solved. Among them are:- ï‚ž Staff open other website during working hours ï‚ž Staff not focusing on their work while working ï‚ž IT Staff cannot monitor what staff are doing when working hours because quite a lot of staff 3. OBJECTIVES It is a must to achieve this by solving the problem of internet abuse faced by workers today. Th...

TV Dating Show

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The Adventures Of Huckleberry Finn By Mark Twain - 2951 Words

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