The Role of FRMD7 in Idiopathic Infantile Nystagmus

Idiopathic infantile nystagmus (IIN) is an inherited disorder in which the nystagmus arises independently of any other symptoms, leading to the speculation that the disorder represents a primary defect in the area of the brain responsible for ocular motor control. The inheritance patterns are hetero...

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Main Authors: Rachel J. Watkins, Mervyn G. Thomas, Chris J. Talbot, Irene Gottlob, Sue Shackleton
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Journal of Ophthalmology
Online Access:http://dx.doi.org/10.1155/2012/460956
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author Rachel J. Watkins
Mervyn G. Thomas
Chris J. Talbot
Irene Gottlob
Sue Shackleton
author_facet Rachel J. Watkins
Mervyn G. Thomas
Chris J. Talbot
Irene Gottlob
Sue Shackleton
author_sort Rachel J. Watkins
collection DOAJ
description Idiopathic infantile nystagmus (IIN) is an inherited disorder in which the nystagmus arises independently of any other symptoms, leading to the speculation that the disorder represents a primary defect in the area of the brain responsible for ocular motor control. The inheritance patterns are heterogeneous, however the most common form is X-linked. FRMD7 resides at Xq26-27 and approximately 50% of X-linked IIN families map to this region. Currently 45 mutations within FRMD7 have been associated with IIN, confirming the importance of FRMD7 in the pathogenesis of the disease. Although mutations in FRMD7 are known to cause IIN, very little is known about the function of the protein. FRMD7 contains a conserved N-terminal FERM domain suggesting that it may provide a link between the plasma membrane and actin cytoskeleton. Limited studies together with the knowledge of the function of other FERM domain containing proteins, suggest that FRMD7 may play a role in membrane extension during neuronal development through remodeling of the actin cytoskeleton.
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spelling doaj-art-7ef137fc46824fd88e924c868cb9cbdf2025-02-03T06:13:17ZengWileyJournal of Ophthalmology2090-004X2090-00582012-01-01201210.1155/2012/460956460956The Role of FRMD7 in Idiopathic Infantile NystagmusRachel J. Watkins0Mervyn G. Thomas1Chris J. Talbot2Irene Gottlob3Sue Shackleton4Department of Biochemistry, Henry Wellcome Building, University of Leicester, Leicester LE1 9HN, UKOphthalmology Group, School of Medicine, University of Leicester, P.O. Box 65, Leicester LE2 7LX, UKDepartment of Genetics, University of Leicester, University Road, Leicester LE1 7RH, UKDepartment of Genetics, University of Leicester, University Road, Leicester LE1 7RH, UKDepartment of Biochemistry, Henry Wellcome Building, University of Leicester, Leicester LE1 9HN, UKIdiopathic infantile nystagmus (IIN) is an inherited disorder in which the nystagmus arises independently of any other symptoms, leading to the speculation that the disorder represents a primary defect in the area of the brain responsible for ocular motor control. The inheritance patterns are heterogeneous, however the most common form is X-linked. FRMD7 resides at Xq26-27 and approximately 50% of X-linked IIN families map to this region. Currently 45 mutations within FRMD7 have been associated with IIN, confirming the importance of FRMD7 in the pathogenesis of the disease. Although mutations in FRMD7 are known to cause IIN, very little is known about the function of the protein. FRMD7 contains a conserved N-terminal FERM domain suggesting that it may provide a link between the plasma membrane and actin cytoskeleton. Limited studies together with the knowledge of the function of other FERM domain containing proteins, suggest that FRMD7 may play a role in membrane extension during neuronal development through remodeling of the actin cytoskeleton.http://dx.doi.org/10.1155/2012/460956
spellingShingle Rachel J. Watkins
Mervyn G. Thomas
Chris J. Talbot
Irene Gottlob
Sue Shackleton
The Role of FRMD7 in Idiopathic Infantile Nystagmus
Journal of Ophthalmology
title The Role of FRMD7 in Idiopathic Infantile Nystagmus
title_full The Role of FRMD7 in Idiopathic Infantile Nystagmus
title_fullStr The Role of FRMD7 in Idiopathic Infantile Nystagmus
title_full_unstemmed The Role of FRMD7 in Idiopathic Infantile Nystagmus
title_short The Role of FRMD7 in Idiopathic Infantile Nystagmus
title_sort role of frmd7 in idiopathic infantile nystagmus
url http://dx.doi.org/10.1155/2012/460956
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