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Retts Syndrome

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Rett Syndrome

By: Justina Hanna

About Rett Syndrome


Rett Syndrome, also known as RTS, is a rare genetic

mutation and is a neurodevelopmenal disorder. RTS is


caused by a mutation in MECP2 gene, which provides
instructions to making protein. This gene is critical for
normal brain function. Rett Syndrome is normally discovered
and diagnosed during the first two years of the childs life.
The child grows normally, then from 6-18 months, mental
and physical symptoms of this syndrome appear. Children
affected will have autistic-like behaviors and lose any
purposeful use of their hands. Early identification and
treatment can help the child improve movements and
communication.

What Causes Rett


Syndrome?
Rett Syndrome is a mutation in the X chromosome so its

known as a sex linked genetic disorder. It is classified as a Xlinked dominant disorder.


Rett Syndrome is a mutation in the MECP2 gene or rarely in
the CDKL5 gene, which both provide protein for a healthy
brain function.
The mutation is not a non disjunction. MECP2 frame shift
mutations have been found frequently to be the cause.
Less than 1% of recorded cases have been inherited. In
most cases the mutation occurs at random.

Facts about Retts


Syndrome

Rett Syndrome is more frequent among females and rarely

occurs with males. If a male gets this disorder they die


shortly after birth because girls have 2 X chromosomes so
only one is active in every cell and only a portion of the cells
will use the defective cell while the other healthy gene can
still produce protein. But males only have 1 X chromosome
so they no back up copy.
1 in 10,000 girls will get affected by this condition. Rett
Syndrome can be found in any ethnicity and affects ages 618 months the most because thats when signs of Rett
Syndrome really show.

Symptoms of Rett
Syndrome

This disorder is not easily detected. A baby born with this

syndrome tend to have a normal pregnancy and a delivery.


The baby develops and grows normally for the first 6
months. Symptoms begin occur after that. The most
noticeable changes happen at 12 to 18 months.
People with Retts Syndrome commonly have seizures,
drooling, teeth grinding, and constipation.
Symptoms & Signs of Retts Syndrome:
abnormal hand movements- child may lose purpose of
hands and may do movements such as clapping and
rubbing of hands.
slowing of head growth-the childs brain growth slows
after birth.
muscular issues- loss of muscle tone, muscle weakness
and stiffness, and movements become rigid.
Other signs of Retts syndrome are irregular heartbeat, odd facial

expressions, and long bouts of laughter. Child may experience loss

Testing and Screening


To determine if a child has Rett Syndrome, the doctor should

observe signs and symptoms during the childs early


development. The doctor should consider Rett Syndrome
when slowing of head growth is observed after the child is
born. Doctors should conduct evaluations of the childs
physical and neurological status to help diagnose the
syndrome. After the evaluations, genetic testing/ DNA
analysis is recommended. The test will confirm the mutation
and examine the DNA to find out the severity and cause of
the order.

Treatments for Rett


Syndrome
Retts syndrome has no cure

but there are ways to treat this


condition and to help the
person affected learn to live
with this disorder.
Physical therapy improves
mobility and balance. It also
helps reduce hand movements
such as hand rubbing and
clapping. Therapy teach how to
do activities like dressing and
eating.
Speech therapy teaches
communication and social
skills.

Treatments for Rett


Syndrome

Medication can be taken to

help with breathing problems,


control seizures, and to monitor
and regulate the heart.
Physical assistance/ Special
Equipment such as braces are
used to aid scoliosis and help
guide the child. The equipment
also help with hand
movements.
Rett Syndrome is not lifeending but affects of RTS
such as heart and breathing
problems could be lifethreatening.

Other Interesting Facts


Discovering the exact cause of Rett Syndrome

could lead to finding a cure in the future. Even


though the gene causing this syndrome has been
found, the exact mechanism hasnt been found.
The life expectancy of Rett Syndrome has not
been researched.
The brains of girls with Rett Syndrome tend to
be about 30% smaller than average.
Rett Syndrome can often be misdiagnosed as
autism.

Bibliography
"Rett Syndrome Fact Sheet." Rett Syndrome Fact Sheet.

N.p., n.d. Web. 28 Nov. 2015.


http://www.ninds.nih.gov/disorders/rett/detail_rett.htm
Rett Syndrome Symptoms, Causes, and
Treatments."WebMD. WebMD, n.d. Web. 28 Nov. 2015
http://www.webmd.com/brain/autism/rett-syndrome
"Rett Syndrome."- Mayo Clinic. N.p., n.d. Web. 28 Nov.
2015
http://www.mayoclinic.org/diseases-conditions/rett-syndrom
e/basics/definition/con-20028086
"Rett Syndrome: MedlinePlus Medical Encyclopedia."U.S
National Library of Medicine. U.S. National Library of
Medicine, n.d. Web. 28 Nov. 2015
https://www.nlm.nih.gov/medlineplus/ency/article/001536.
htm

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