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Dominant optic atrophy was first described clinically by Batten in 1896 and named Kjer’s optic neuropathy in 1959 after Danish ophthalmologist Poul Kjer, who studied 19 families with the disease. [3] Although dominant optic atrophy is the most common autosomally inherited optic neuropathy (i.e., disease of the optic nerves), it is often ...
Dominant optic atrophy is an autosomal dominant disease caused by a defect in the nuclear gene OPA1. A slowly progressive optic neuropathy, dominant optic atrophy, usually presents in the first decade of life and is bilaterally symmetrical.
Optic atrophy in early childhood, associated with ataxia, spasticity, mental retardation, and posterior column sensory loss Behr syndrome has an autosomal recessive pattern of inheritance . Behr syndrome is characterized by the association of early-onset optic atrophy with spinocerebellar degeneration resulting in ataxia , pyramidal signs ...
Thiselton, Dawn L, Christiane Alexander, Alex Morris, Simon Brooks, Thomas Rosenberg, Hans Eiberg, Birgit Kjer, Poul Kjer, Shomi S Bhattacharya, and Marcela Votruba. 2001. "A Frameshift Mutation in Exon28 of the OPA1 Gene Explains the High Prevalence of Dominant Optic Atrophy in the Danish Population: Evidence for a Founder Effect".
Individuals with Wolfram-like syndrome usually exhibit early-onset progressive hearing loss which starts around the age of 10 years old, early-onset optic atrophy which usually manifests in a person's mid-teenage–late adulthood years of life, and adult-onset diabetes mellitus.
Dynamin-like 120 kDa protein, mitochondrial is a protein that in humans is encoded by the OPA1 gene. [5] [6] This protein regulates mitochondrial fusion and cristae structure in the inner mitochondrial membrane (IMM) and contributes to ATP synthesis and apoptosis, [7] [8] [9] and small, round mitochondria. [10]
The optic disc may appear mildly hyperemic with small splinter hemorrhages on or around the disc, or may appear nearly normal. Optic atrophy typically develops later and may appear mild. In later stages the optic atrophy can become severe, which indicates less opportunity for recovery. [3]
Cone dystrophy in general usually occurs sporadically. Hereditary forms are usually autosomal dominant, and instances of autosomal recessive and X-linked inheritance also occur. In the differential diagnosis, other macular dystrophies as well as the hereditary optic atrophies must be considered.
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