Learn About Achondrogenesis

What is the definition of Achondrogenesis?

Achondrogenesis is a group of severe disorders that affect cartilage and bone development. These conditions are characterized by a small body, short limbs, and other skeletal abnormalities. As a result of serious health problems, infants with achondrogenesis usually die before birth, are stillborn, or die soon after birth from respiratory failure. However, some infants have lived for a short time with intensive medical support.

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What are the causes of Achondrogenesis?

Mutations in the TRIP11, SLC26A2, and COL2A1 genes cause achondrogenesis type 1A, type 1B, and type 2, respectively.

How prevalent is Achondrogenesis?

Achondrogenesis types 1A and 1B are rare genetic disorders; their incidence is unknown. Combined, achondrogenesis type 2 and hypochondrogenesis (a similar skeletal disorder) occur in 1 in 40,000 to 60,000 newborns.

Is Achondrogenesis an inherited disorder?

Achondrogenesis type 1A and type 1B both have an autosomal recessive pattern of inheritance, which means both copies of the TRIP11 or SLC26A2 gene in each cell have mutations. Most often, the parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene but do not show signs and symptoms of the condition.

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Who are the sources who wrote this article ?

Published Date: March 01, 2015Published By: National Institutes of Health

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