Huntington's Disease

1
Huntington's Disease

• Daniel Saewitz

2
Huntingtons Disease

• HD

3
Mode of Inheritance

• Chromosome
• 4
• 50 chance to have it if one of your parents has
  it

4
Punnett Square

• The mom usually will give two normal, but the
  father giving one with the affected chromosome.

MOM
D A D
5
Symptoms of the Disorder and Detection

• Affects part of the brain. It controls thinking,
  emotion, and movement. Usually between the ages
  of 30 and 50. It develops over time.
• Poor memory, depression and/or mood swings, lack
  of coordination, twitching or other uncontrolled
  movements, and difficulty walking, speaking,
  and/or swallowing.

6
Detection

• When a women is pregnant you can take a sample of
  fluid from around the fetus or you can take a
  sample of fetal cells from the placenta.
• When a baby is born, you can do some neurological
  and physical tests.

7
Diagnostic Testing

• You can go to a genetic counselor and you can
  look at your heritage to see your chance of
  getting it.

8
Prognosis

• 0 survival rate
• No, you can not cure it, and you can not slow it
  down, but you can make it more comfortable.

9
Additional Health Problems

• There are no treatments, but medicine and
  physical/speech therapy can make things more
  comfortable for normal lives.

10
Current Research

• Currently they are trying to figure out how it is
  started and to see if they can stop it before it
  happens.

11
Genetic Counseling

• If one of you has the disease, then there is a
  50 chance that one of your children will have it
  too. It develops overtime and you can be tested
  before or after birth.

12
Graphics
13
Additional Interesting Facts

• Dr. George Huntington discovered/described it in
  1872.
• In the USA, 1 in every 30,000 people have
  Huntingtons Disease
• U.S. population 301,854,128as of 1601 GMT
  (EST5) May 16, 2007
• 301,854,128 30,000 10,062 infected people

14
Credits

• http//learn.genetics.utah.edu/units/disorders/wha
  taregd/hunt/index.cfm