Cone-rod dystrophy amelogenesis imperfecta

Alternate names

Jalili syndrome; Cone-rod dystrophy with amelogenesis imperfecta

Definition

Jalili syndrome is characterized by the association of amelogenesis imperfecta and cone-rod retinal dystrophy .

Epidemiology

It has been described in only one family with 29 affected individuals.

Cause

Mutations in the CNNM4 gene (2q11.2), which is implicated in metal ion transport, have been identified in several families.

Inheritance

Autosomal recessive inheritance, a 25% chance

Jalili syndrome is transmitted in an autosomal recessive manner.

Signs and symptoms

AI is a generic term for an inherited group of dental diseases in which the common clinical feature is an abnormality of tooth enamel. The enamel may be thin but normal, and/or hypomineralized. CORD is a rare retinal disorder that leads to an initial loss of central vision, color vision and photophobia before the age of 10 years with subsequent night blindness and visual field restriction.

For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. 80%-99% of people have these symptoms

• Abnormality of dental color(Abnormality of tooth color)
• Abnormality of retinal pigmentation
• Amelogenesis imperfecta
• Color vision defect(Abnormal color vision)
• Nystagmus(Involuntary, rapid, rhythmic eye movements)
• Photophobia(Extreme sensitivity of the eyes to light)
• Visual impairment(Impaired vision)

30%-79% of people have these symptoms

• Optic atrophy

NIH genetic and rare disease info

• NIH info on Cone-rod dystrophy amelogenesis imperfecta

Cone-rod dystrophy amelogenesis imperfecta is a rare disease.

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