What is the official name of the OFD1 gene?
The official name of this gene is “oral-facial-digital syndrome 1.”
OFD1 is the gene's official symbol. The OFD1 gene is also known by other names, listed below.
Read more about gene names and symbols on the About page.
What is the normal function of the OFD1 gene?
The OFD1 gene provides instructions for making a protein whose function is not fully understood. It appears to play a critical role in the early development of many parts of the body, including the brain, face, limbs, and kidneys.
The OFD1 protein is located at the base of cilia, which are finger-like projections that stick out from the surface of cells. Cilia are involved in cell movement and in many different chemical signaling pathways. They play important roles in the development and function of many parts of the body. Researchers suspect that the OFD1 protein is essential for the normal formation of cilia.
Studies suggest that the OFD1 protein may have additional functions. In the earliest stages of development, it appears to be involved in determining the left-right axis (the imaginary line that separates the left and right sides of the body). The OFD1 protein is also found in the nucleus, although its function in this cell structure is unknown.
How are changes in the OFD1 gene related to health conditions?
oral-facial-digital syndrome - caused by mutations in the OFD1 gene
About 100 mutations in the OFD1 gene have been found in people with oral-facial-digital syndrome type I, which is the most common form of the disorder. These mutations include changes in single DNA building blocks (base pairs) and larger deletions of genetic material from the OFD1 gene. Most of these genetic changes lead to the production of an abnormally short, nonfunctional version of the OFD1 protein. It is unclear how a shortage of functional OFD1 protein leads to the specific features of oral-facial-digital syndrome type I. However, studies suggest that a lack of this protein prevents the normal formation of cilia, which affects the development of many tissues and organs.
other disorders - caused by mutations in the OFD1 gene
Mutations in the OFD1 gene can also cause several other disorders with features that overlap with those of oral-facial-digital syndrome. At least two mutations have been identified in people with Joubert syndrome. This disorder is characterized by particular brain abnormalities, weak muscle tone (hypotonia), delayed development, unusual eye movements, and breathing problems. Another OFD1 gene mutation has been found in a family with a form of X-linked intellectual disability. Affected individuals have had severe intellectual disability, an unusually large head size (macrocephaly), and breathing problems.
The OFD1 mutations responsible for Joubert syndrom
What is the official name of the OFD1 gene?
The official name of this gene is “oral-facial-digital syndrome 1.”
OFD1 is the gene's official symbol. The OFD1 gene is also known by other names, listed below.
Read more about gene names and symbols on the About page.
What is the normal function of the OFD1 gene?
The OFD1 gene provides instructions for making a protein whose function is not fully understood. It appears to play a critical role in the early development of many parts of the body, including the brain, face, limbs, and kidneys.
The OFD1 protein is located at the base of cilia, which are finger-like projections that stick out from the surface of cells. Cilia are involved in cell movement and in many different chemical signaling pathways. They play important roles in the development and function of many parts of the body. Researchers suspect that the OFD1 protein is essential for the normal formation of cilia.
Studies suggest that the OFD1 protein may have additional functions. In the earliest stages of development, it appears to be involved in determining the left-right axis (the imaginary line that separates the left and right sides of the body). The OFD1 protein is also found in the nucleus, although its function in this cell structure is unknown.
How are changes in the OFD1 gene related to health conditions?
oral-facial-digital syndrome - caused by mutations in the OFD1 gene
About 100 mutations in the OFD1 gene have been found in people with oral-facial-digital syndrome type I, which is the most common form of the disorder. These mutations include changes in single DNA building blocks (base pairs) and larger deletions of genetic material from the OFD1 gene. Most of these genetic changes lead to the production of an abnormally short, nonfunctional version of the OFD1 protein. It is unclear how a shortage of functional OFD1 protein leads to the specific features of oral-facial-digital syndrome type I. However, studies suggest that a lack of this protein prevents the normal formation of cilia, which affects the development of many tissues and organs.
other disorders - caused by mutations in the OFD1 gene
Mutations in the OFD1 gene can also cause several other disorders with features that overlap with those of oral-facial-digital syndrome. At least two mutations have been identified in people with Joubert syndrome. This disorder is characterized by particular brain abnormalities, weak muscle tone (hypotonia), delayed development, unusual eye movements, and breathing problems. Another OFD1 gene mutation has been found in a family with a form of X-linked intellectual disability. Affected individuals have had severe intellectual disability, an unusually large head size (macrocephaly), and breathing problems.
The OFD1 mutations responsible for Joubert syndrom
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