Huntingtons disease

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by michaelahammer123
Last updated 6 years ago


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Huntingtons disease

What is Huntingtons Disease?

People begin to notice symptoms of the disorder in their 30's and 40'sEarly symptoms include depression, irritability, small involuntary movements, trouble learning new information or making decisions, and poor coordination -Uncontrolable jerking or twitching -Changes in personality and a decline in thinking

Over time, these symptoms become more and more noticable. People start having trouble walking, speaking, swallowing, and functioning in general.

This disease is inherited in an autosomal dominant pattern, which means the gene is more likley to show up in offspring. Normally the affected person inherits the altered gene from one affected parent. It is not likley for someone who has inherited the gene's parents to not have the gene, but possible.

Huntington disease is a genetic disorder, effecting the brain causing emotional problems, uncontrolled movements, and loss of thinkking ability and reason

Mutation in the HTT gene causes the disease. The gene HTT is responsible for making the protien huntington, this protien plays an important role in nerve cells

The mutation in the gene comes from the DNA strand called CAG (cytosine, adenine, and guanine). This segment is normally repeated 10 to 30 times in the gene, HTT. In the case of people with huntingtons disease, that DNA strand repeats 39 to more than 120 times

What causes the disease?


Scientific investigations using different methods technologies by doing this scientists can see what the mutated gene does to different structures in the brain and how it affects the body's chemistry and metabolism


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