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Nail-patella syndrome and its association with glaucoma: a review of eight families


Mimiwati, Z and Mackey, DA and Craig, JE and MacKinnon, JR and Rait, JL and Liebelt, JE and Ayala-Lugo, R and Vollrath, D and Richards, JE, Nail-patella syndrome and its association with glaucoma: a review of eight families, British Journal of Ophthalmology, 90, (12) pp. 1505-1511. ISSN 0007-1161 (2006) [Refereed Article]

DOI: doi:10.1136/bjo.2006.092619


Background: Nail-patella syndrome (NPS) is a rare autosomal dominant syndrome, characterised by dysplasia of the nails, patellae, elbows and iliac horns. Mutations in the LMX1B gene were found in four North American families in whom glaucoma cosegregated with NPS. Aims: To investigate the association of glaucoma with NPS in Australian families and to determine how common NPS is in Australia. Methods: One family with NPS and glaucoma was identified from the Glaucoma Inheritance Study in Tasmania. A further 18 index cases of NPS were identified from the genetics database for southeastern Australia. Eight of these pedigrees were available for comprehensive glaucoma examination on available family members. DNA was sequenced for mutations in LMX1B. Results: In total, 52 living cases of NPS were identified suggesting a minimum prevalence of at least 1 in 100 000. 32 subjects from eight NPS pedigrees (four familial and four sporadic cases) were examined. 14 subjects had NPS alone. 4 subjects had NPS and glaucoma or ocular hypertension. Five pedigrees with NPS had a reported family history of glaucoma, although some of these people with glaucoma did not have NPS. LMX1B mutations were identified in 5 of the 8 index cases - three sporadic and two familial. Two of the six (33%) participants over 40 years of age had developed glaucoma, showing increased risk of glaucoma in NPS. Conclusion: Patients with NPS should be examined regularly for glaucoma. However, because the families with NPS are ascertained primarily from young probands or probands who are isolated cases, the exact level of risk is unclear.

Item Details

Item Type:Refereed Article
Research Division:Biomedical and Clinical Sciences
Research Group:Ophthalmology and optometry
Research Field:Ophthalmology
Objective Division:Health
Objective Group:Clinical health
Objective Field:Clinical health not elsewhere classified
UTAS Author:Mackey, DA (Professor David Mackey)
ID Code:41606
Year Published:2006
Web of Science® Times Cited:45
Deposited By:Medicine
Deposited On:2006-08-01
Last Modified:2007-03-21

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