Cone-Rod Dystrophy 2

Common Name(s)

Cone-Rod Dystrophy 2

Cone-rod dystrophy (CORD) characteristically leads to early impairment of vision. An initial loss of color vision and of visual acuity is followed by nyctalopia (night blindness) and loss of peripheral visual fields. In extreme cases, these progressive symptoms are accompanied by widespread, advancing retinal pigmentation and chorioretinal atrophy of the central and peripheral retina ({9:Moore, 1992}). In many families, perhaps a majority, atrophy of the central and peripheral chorioretinal atrophy is not found ({11:Tzekov, 1998}). Genetic Heterogeneity of Autosomal Cone-Rod Dystrophy There are several other autosomal forms of CORD for which the molecular basis is known. CORD3 ({604116}) is caused by mutation in the ABCA4 gene ({601691}) on chromosome 1p22. CORD5 ({600977}) is caused by mutation in the PITPNM3 gene ({608921}) on chromosome 17p13. CORD6 ({601777}) is caused by mutation in the GUCY2D gene ({600179}) on chromosome 17p13.1. CORD7 ({603649}) is caused by mutation in the RIMS1 gene ({606629}) on chromosome 6q13. CORD9 ({612775}) is caused by mutation in the ADAM9 gene ({602713}) on chromosome 8p11. CORD10 ({610283}) is caused by mutation in the SEMA4A gene ({607292}) on chromosome 1q22. CORD11 ({610381}) is caused by mutation in the RAXL1 gene ({610362}) on chromosome 19p13.3. CORD12 ({612657}) is caused by mutation in the PROM1 gene ({604365}) on chromosome 4p15. CORD13 ({608194}) is caused by mutation in the RPGRIP1 gene ({605446}) on chromosome 14q11. CORD14 (see {602093}) is caused by mutation in the GUCA1A gene ({600364}) on chromosome 6p21.1. CORD15 ({613660}) is caused by mutation in the CDHR1 gene ({609502}) on chromosome 10q23.1. CORD16 ({614500}) is caused by mutation in the C8ORF37 gene ({614477}) on chromosome 8q22.1. CORD18 ({615374}) is caused by mutation in the RAB28 gene ({612994}) on chromosome 4p15. CORD19 ({615860}) is caused by mutation in the TTLL5 gene ({612268}) on chromosome 14q24. CORD20 ({615973}) is caused by mutation in the POC1B gene ({614784}) on chromosome 12q21. A diagnosis of CORD was made in an individual with a mutation in the AIPL1 gene ({604392.0004}) on chromosome 17p13.1, as well as in an individual with a mutation in the UNC119 gene ({604011.0001}) on chromosome 17q11.2. Other mapped loci for autosomal CORD include CORD1 ({600624}) on chromosome 18q21.1-q21.3; CORD8 ({605549}) on chromosome 1q12-q24; and CORD17 ({615163}) on chromosome 10q26. For a discussion of X-linked forms of cone-rod dystrophy, see CORDX1 ({304020}).
 

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Condition Specific Organizations

Following organizations serve the condition "Cone-Rod Dystrophy 2" for support, advocacy or research.

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Scientific Literature

Articles from the PubMed Database

Research articles describe the outcome of a single study. They are the published results of original research.
The terms "Cone-Rod Dystrophy 2" returned 1 free, full-text research articles on human participants. First 3 results:

A novel locus (CORD12) for autosomal dominant cone-rod dystrophy on chromosome 2q24.2-2q33.1.
 

Author(s): Gaël Manes, Maxime Hebrard, Béatrice Bocquet, Isabelle Meunier, Delphine Coustes-Chazalette, Audrey Sénéchal, Anne Bolland-Augé, Diana Zelenika, Christian P Hamel

Journal:

 

Rod-cone dystrophy, also known as retinitis pigmentosa (RP), and cone-rod dystrophy (CRD) are degenerative retinal dystrophies leading to blindness. To identify new genes responsible for these diseases, we have studied one large non consanguineous French family with autosomal dominant (ad) CRD.

Last Updated: 27 May 2011

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Symptoms, Diagnosis, and Treatment

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Clinical Trial Information This information is provided by ClinicalTrials.gov

Natural History and Genetic Studies of Usher Syndrome
 

Status: Recruiting

Condition Summary: Retinitis Pigmentosa Syndromic; Congenital Deafness; Usher Syndrome; Retinitis Pigmentosa and Deafness; Progressive Hearing Loss; Retinitis Pigmentosa

 

Last Updated: 18 Jun 2014

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Last Updated: 23 Jun 2014

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Retinal Imaging of Subjects Implanted With Ciliary Neurotrophic Factor (CNTF)-Releasing Encapsulated Cell Implant for Early-stage Retinitis Pigmentosa
 

Status: Recruiting

Condition Summary: Retinitis Pigmentosa; Usher Syndrome Type 2; Usher Syndrome Type 3

 

Last Updated: 27 Feb 2014

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