The genetic disease progeria Essay

Custom Student Mr. Teacher ENG 1001-04 3 July 2016

The genetic disease progeria

Progeria, also known as Hutchinson-Gilford Progeria syndrome (HGPS), is a rare disease that causes children to age eight times faster than they are supposed to. It was discovered in England in 1886 and was named after Jonathan Hutchinson, who first discovered it and Hastings Gilford, who was the first to refer to the disease as Progeria. The name Progeria is derived from Greek and means “prematurely old”. Progeria is commonly referred to as an “early aging disease.” It is fortunately an extremely rare disease. Only 100 cases have been reported since it was discovered and it is estimated to affect only 1 to 2 children in 8 million. There are currently only 4 kids in the UK and about 40 around the world that are affected with the disease. It is, however, a particularly tragic disease in that it typically strikes children before the age of 10 years, and they usually die at about 13. Most children don’t live beyond their teenage years, though one or two children affected with Progeria have lived to their early 20s. The life-span for children with Progeria ranges from 7 to 27.5 years.

Progeria is an extremely rare genetic disease that accelerates the aging process to about seven or eight times the normal rate. Because of this accelerated aging, a child of ten years will have similar respiratory, cardiovascular, arthritic conditions that a 70-year-old would have. Children that have Progeria are normal at birth and their growth stops at the end of the first year. They then possibly encounter a slow increase to the size of a 2 or 3 year old child. They are usually short and their total height usually never exceeds 4 feet or the height of a 5 year old child. They develop a relatively large head with a small face and a beaked pinched-like nose.

They also have a receding chin, prominent eyes, absence of eyebrows and lashes, and very little hair, if any. Their teeth take longer to grow and sometimes require the removal of one or more teeth in order to make room for more. They have tight wrinkled skin that is aged-looking. They also develop prominent scalp veins, a narrow chest, a protruding abdomen and have possible enlargement of the spleen. The children die from the complications of they symptoms that are developed. Cardiovascular problems is the major cause of 75% of the patients who died.

Due to the extreme rarity of Progeria, little research has been done until resent years. But, after many years of knowing only that Progeria’s origin was genetic rather than environmental, in April 2003, researchers isolated the genetic mutation that causes Progeria. So, the gene has been found. This development brings hope to all the families affected by Progeria. Still, as of right now, there is no known cure or treatment. However, there are treatments for the symptoms such as medicine and exercise.

The cause of the disease is unknown but is thought to be due to a genetic abnormality. Children from all races and cultures around the world have been affected. It is an autosomal recessive disease, meaning that an individual carrying a mutation in a single gene does not show any symptoms. When two individuals with the gene for Progeria have a child, that child has a 1 in 4 chance of inheriting two recessive alleles and therefore having the disease. (See back (pg.4) for further understanding of inheritance pattern of this disease). Progeria is a very tragic disease that hopefully someday will have a cure.

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