Progeria
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Progeria (pro-JEER-e-uh), also known as Hutchinson-Gilford syndrome, is an extremely rare, progressive genetic disorder that causes children to age rapidly, starting in their first two years of life.
Children with progeria generally appear normal at birth. During the first year, signs and symptoms, such as slow growth and hair loss, begin to appear.
Heart problems or strokes are the eventual cause of death in most children with progeria. The average life expectancy for a child with progeria is about 13 years. Some with the disease may die younger and others may live longer, even up to 20 years.
There’s no cure for progeria, but ongoing research shows some promise for treatment.
Usually within the first year of life, growth of a child with progeria slows markedly, but motor development and intelligence remain normal.
Signs and symptoms of this progressive disorder include a distinctive appearance:
Signs and symptoms also include health issues:
Progeria is usually detected in infancy or early childhood, often at regular checkups, when a baby first shows the characteristic signs of premature aging.
If you notice changes in your child that could be signs and symptoms of progeria, or you have any concerns about your child’s growth or development, make an appointment with your child’s doctor.
A single gene mutation is responsible for progeria. The gene, known as lamin A (LMNA), makes a protein necessary for holding the center (nucleus) of a cell together. When this gene has a defect (mutation), an abnormal form of the lamin A protein called progerin is produced and makes cells unstable. This appears to lead to progeria’s aging process.
Unlike many genetic mutations, progeria is rarely passed down in families. The gene mutation is a rare, chance occurrence in the majority of cases.
There are other progeroid syndromes that do run in families. These inherited syndromes cause rapid aging and a shortened life span:
There are no known factors, such as lifestyle or environmental issues, which increase the risk of having progeria or of giving birth to a child with progeria. Progeria is extremely rare. For parents who have had one child with progeria, the chances of having a second child with progeria are about 2 to 3 percent.
Children with progeria usually develop severe hardening of the arteries (atherosclerosis). This is a condition in which the walls of the arteries — blood vessels that carry nutrients and oxygen from the heart to the rest of the body — stiffen and thicken, often restricting blood flow.
Most children with progeria die of complications related to atherosclerosis, including:
Other health problems frequently associated with aging — such as arthritis, cataracts and increased cancer risk — typically do not develop as part of the course of progeria.
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Progeria
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