Gene Therapy and Genetic Counseling
Part one of this paper will summarize the eighteenth chapter, "Gene Therapy and Genetic Counseling" in the fourth edition of Riki Lewis' textbook "Human Genetics - Concepts and Applications" (2001) The chapter and chapter summary are divided into four sections - 18.1 "Gene Therapy Successes and Setbacks", 18.2 "The Mechanics of Gene Therapy", 18.3 A Closer Look: Treating Sickle Cell Disease", and 18.4 "Genetic Screening and Genetic Counseling". Part two of this paper will explore a dimension of genetic technology I feel is conspicuously absent from the text, cloning. The transition from the topics addressed in chapter 18 into the controversial subject of cloning, including human cloning, is a natural development of the course material and the technical, societal, legal, ethical, and social ramifications will be addressed.Gene Therapy Successes and Setbacks - Experimental gene Therapy is a risky business. The objective is to modify a subject's actual DNA to aleviate symptoms or cure disease completely. There is no certain method to deliver the genes to only the cells in question, or to guage the reactions of cells to the additional carrier DNA. Volunteers have bot
People with Severe Combined Immunodeficiency are unusually susceptible to recurrent infections with bacteria, viruses, fungi, and other infectious agents that can be life-threatening. As toddlers, they showed signs of increasing ADA production and they are expected to be able to live normal healthy lives. A public hearing was held and, despite protests, Several gene therapy trials were suspended or much more closely scrutinized and mired in beurocracy. Even as medieval a practice as bleeding is an effective treatment of some phenotypes, such as the excess iron in the blood that results from hereditary hemochromatosis (or HH). A Closer Look: Treating Sickle Cell Disease - Sickle cell disease is a genetic condition that we are very familiar with and therefor experiment extensively with. The cell was grown in vitro until it divided and became an embryo. Financial limitations may also force people to make decisions to terminate pregnancies based on less information than they need to make an informed decision. Scientists infect the tumor with genetic material from herpes virus which causes them to produce an enzyme called thymidine kinase. comSickle cell disease is a long- term (chronic) blood disorder that causes the bone marrow to produce red blood cells with defective hemoglobin (hemoglobin S). It may seem strange that the primary focus of genetic therapy in the last fifteen years has been on very rare disorders like ADA and OTP deficiency, but physicians are also scientists and scientific thinking demands leads us to follow the paths on which the most information may be obtained. Male donkeys are crossbred with female horses to produce mules, which are good work animals (Levine 1996). In Jewish law, every Jewish life is very important and therefore everything possible must be done to help and save the individual. For example, defective genes located in the mitochondria of the cell cause some diseases. In order to do this nutrients were withheld from the mammary cell, which stopped it from dividing. In 1990, the second step of this gene therapy was administered to two subjects with ADA deficiencies.
Common topics in this essay:
Ian Wilmut,
WebMDcom Sickle,
Gene Therapy,
Hans Speman,
Start Promise,
DNA DNA,
Human DNA,
Nervous Tissue,
Advisory Committee,
Bovine ADA,
gene therapy,
human cloning,
blood cells,
sickle cell,
genetic engineering,
sickle cell disease,
cell disease,
mammary cell,
genetic material,
red blood,
red blood cells,
genetic therapy,
somatic gene therapy,
white blood cells,
practical ethical religious,
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