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Huntington’s Disease

Huntington’s Disease. By: Tiffany Kinard A AM Class. What causes Huntington's Disease?. It is caused by mutations in the HTT gene, and is inherited in an autosomal dominant manner. People with Huntington disease have a faulty copy of the Huntington gene (HTT ). Chromosomal Location.

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Huntington’s Disease

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  1. Huntington’s Disease By: Tiffany Kinard A AM Class

  2. What causes Huntington's Disease? It is caused by mutations in the HTT gene, and is inherited in an autosomal dominant manner. People with Huntington disease have a faulty copy of the Huntington gene (HTT).

  3. Chromosomal Location Huntington’s disease is located on chromosome 4.

  4. Recessive or Dominant? Huntington’s disease is a dominant trait.

  5. Symptoms of disease Behavioral disturbances Hallucinations Irritability Moodiness Restlessness or fidgeting Paranoia Psychosis

  6. Treatment diet and supplements exercise spiritual and psychosocial support

  7. How diagnosed Prenatal testing Pre-symptomatic testing Confirmatory testing

  8. Life Expectany The average lifespan after onset of HD is 10-20 years. The younger the age of onset, the more rapid the progression of the disease.

  9. Genetic Test For Huntington’s A neurological examination ; Using a blood sample, the Huntington's disease genetic test analyzes DNA for the genetic mutation by counting the number of CAG repeats in the specific gene. Individuals who do not have HD usually have 28 or fewer repeats; people with Huntington disease usually have 40 or more repeats.

  10. Who has a higher incidence of getting the disease? people whose parent has a higher than normal frequency is more likely to develop HD than a person whose parent has fewer CAG repeat lengths

  11. People with Huntington’s Disease

  12. Work Cited Page Whitmore, J. (2012). Genetic science learning center. In University of Utah. Retrieved from http://learn.genetics.utah.edu/content/disorders/whataregd/hunt/ Rose, A. (2012, November). Huntington. Retrieved from http://www.helpguide.org/elder/huntingtons_disease.htm Huntington. (2012). Retrieved from http://www.hdsa.org/about/our-mission/what-is-hd.html Czaja, J. (2003, July 25). Population genetics and huntington. Retrieved from http://www.stanford.edu/group/hopes/cgi-bin/wordpress/2010/10/hopes-news-episode-1/

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