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Familial Acorea, Microphthalmia and Cataract Syndrome presents significant challenges in terms of accurate diagnosis and effective therapeutic interventions. As a leading provider of specialized diagnostic and therapeutic development services, Protheragen is at the forefront of unraveling the complexities of this rare condition.
Familial Acorea, Microphthalmia, and Cataract Syndrome is a rare genetic disorder characterized by the complete absence of the pupil (acorea), small eye size (microphthalmia), and the presence of cataracts. This syndrome presents significant challenges in terms of vision and ocular health, often requiring specialized therapeutic interventions. The condition is typically inherited in an autosomal dominant pattern, with significant variability in expression and severity across affected individuals.
The genetic basis of Familial Acorea, Microphthalmia and Cataract Syndrome is complex and multifaceted. Linkage analysis has implicated chromosomes 1, 5, 8, 11, and 17 as potential locations for the causative gene. While the specific gene has not been identified, the condition is believed to result from mutations in genes critical to ocular development.
Table 1. Genes associated with isolated cataract. (Bell S. J., et al., 2020)
Gene name/locus | Inheritance | Gene/locus MIM number | Disease MIM number | Disease name | Phenotype |
BFSP1 | AD/AR | 603307 | 611391 | Cataract 33, multiple types | Cortical, nuclear, punctate lamellar cataracts |
AGK | AR | 610345 | 614691 | Cataract 38, congenital cataract | Congenital cataract |
BFSP2 | AD | 603212 | 611597 | Cataract 12, multiple types | Lamellar, cortical, nuclear embryonic, 'scattered lens opacities' |
CRYAB | AD/AR | 123590 | 613763 | Cataract 16, multiple types | Nuclear, posterior polar, nuclear, lamellar cataracts |
CRYBA4 | AD | 123631 | 610425 | Cataract 23 | Lamellar and nuclear cataracts |
CRYBB1 | AD/AR | 600929 | 611544 | Congenital nuclear cataract; cataract 17, multiple types | Congenital nuclear cataract, pulverulent cataracts |
CRYBB2 | AD | 123620 | 601547 | Cataract 3, multiple types | Coppock-like cataract, cerulean cataracts |
CRYGC | AD | 123680 | 604307 | Cataract 2, multiple types; AD cataract coppock-like; | Cataract, variable zonular pulverulent, coppock-like cataract |
CRYBB3 | AD/AR | 123630 | 609741 | Congenital nuclear cataract; Cataract 22 | Congenital, cortical, nuclear cataract |
CRYGB | AD | 123670 | 615188 | Cataract 39, multiple types | Anterior polar, lamellar cataract |
CRYGD | AD | 123690 | 115700 | Cataracts; cataract 4, multiple types, congenital cerulean cataract | Aculeiform, progressive, congenital cerulean cataract |
DNMBP | AR | 611282 | 618415 | Cataract 48 | Infantile onset cataracts |
The diagnostic landscape for Familial Acorea, Microphthalmia and Cataract Syndrome has been evolving with advancements in genetic testing. Next-generation sequencing (NGS) has become a pivotal tool in identifying the genetic underpinnings of this syndrome. By employing targeted gene panels and whole-genome sequencing, researchers have been able to pinpoint mutations in specific genes associated with Familial Acorea, Microphthalmia and Cataract Syndrome. For instance, linkage analysis has narrowed down potential candidate genes to chromosomes 1, 5, 8, 11, and 17, although the specific genes remain to be identified.
Protheragen is at the forefront of developing therapeutics for ophthalmic diseases such as Familial Acorea, Microphthalmia and Cataract Syndrome. Our services include comprehensive solutions from genetic diagnostics to customized therapy development strategies.
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Our preclinical research services, including pharmacokinetic and toxicology studies, focus on the development of novel therapeutics for Familial Acorea, Microphthalmia and Cataract Syndrome. Our team of scientists is dedicated to understanding the molecular mechanisms underlying the syndrome and identifying potential drug targets. If you are interested in our services, please feel free to contact us.
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