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Article

Long-term rearrangement of retinal structures in a novel mutation of X-linked retinoschisis

  • Authors:
    • Stefano Piermarocchi
    • Stefania Miotto
    • Davide Colavito
    • Elda Del Giudice
    • Alberta Leon
    • Veronica Maritan
    • Rita Piermarocchi
    • Alma Patrizia Tormene
  • View Affiliations / Copyright

    Affiliations: University Eye Clinic, University of Padua, I-35128 Padua, Italy, Ophthalmic Department, Unità Locale Socio-Sanitaria 6 Euganea, Camposampiero, I-35012 Padua, Italy, Research and Innovation (R&I Genetics) Srl, I-35127 Padua, Italy, Ophthalmic Department, ULSS 6 Euganea, Monselice, I-35043 Padua, Italy, Ophthalmic Department, ULSS 5 Polesana, I-45100 Rovigo, Italy
  • Pages: 241-246
    |
    Published online on: July 27, 2017
       https://doi.org/10.3892/br.2017.954
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Abstract

The aim of the present study was to report a novel mutation in the retinoschisin 1 (RS1) gene in a Caucasian family affected by X-linked juvenile retinoschisis (XLRS) and to describe the long-term modification of retinal structure. Two brothers with an early onset maculopathy were diagnosed with XLRS. Fundus photography, fluorescein angiography, spectral domain optical coherence tomography and electroretinogram analyses were performed. Their sister was also examined. All subjects were screened for mutations in the RS1 gene. XLRS patients demonstrated a marked reduction of best-corrected visual acuity. SD-OCT scans reported a cystic degeneration primarily involving the inner nuclear layer, though some cysts were detected in the outer plexiform layer and in the ganglion cell layer. During the ten-year follow-up, a progressive retinal thickening and coalescence of the cysts was observed. Genetic testing revealed a novel mutation (p.Ile212Asn) in the RS1 gene in both XLRS patients, whereas their sister was not a genetic carrier. Several mutations of the RS1 gene were recognized to be responsible for XLRS. Although the correspondence between genotype and phenotype is still under debate, is reasonable that siblings affected by XLRS could share other genetic and/or epigenetic factors capable to influence clinical course of the disease.
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Copy and paste a formatted citation
Spandidos Publications style
Piermarocchi S, Miotto S, Colavito D, Del Giudice E, Leon A, Maritan V, Piermarocchi R and Tormene AP: Long-term rearrangement of retinal structures in a novel mutation of X-linked retinoschisis. Biomed Rep 7: 241-246, 2017.
APA
Piermarocchi, S., Miotto, S., Colavito, D., Del Giudice, E., Leon, A., Maritan, V. ... Tormene, A.P. (2017). Long-term rearrangement of retinal structures in a novel mutation of X-linked retinoschisis. Biomedical Reports, 7, 241-246. https://doi.org/10.3892/br.2017.954
MLA
Piermarocchi, S., Miotto, S., Colavito, D., Del Giudice, E., Leon, A., Maritan, V., Piermarocchi, R., Tormene, A. P."Long-term rearrangement of retinal structures in a novel mutation of X-linked retinoschisis". Biomedical Reports 7.3 (2017): 241-246.
Chicago
Piermarocchi, S., Miotto, S., Colavito, D., Del Giudice, E., Leon, A., Maritan, V., Piermarocchi, R., Tormene, A. P."Long-term rearrangement of retinal structures in a novel mutation of X-linked retinoschisis". Biomedical Reports 7, no. 3 (2017): 241-246. https://doi.org/10.3892/br.2017.954
Copy and paste a formatted citation
x
Spandidos Publications style
Piermarocchi S, Miotto S, Colavito D, Del Giudice E, Leon A, Maritan V, Piermarocchi R and Tormene AP: Long-term rearrangement of retinal structures in a novel mutation of X-linked retinoschisis. Biomed Rep 7: 241-246, 2017.
APA
Piermarocchi, S., Miotto, S., Colavito, D., Del Giudice, E., Leon, A., Maritan, V. ... Tormene, A.P. (2017). Long-term rearrangement of retinal structures in a novel mutation of X-linked retinoschisis. Biomedical Reports, 7, 241-246. https://doi.org/10.3892/br.2017.954
MLA
Piermarocchi, S., Miotto, S., Colavito, D., Del Giudice, E., Leon, A., Maritan, V., Piermarocchi, R., Tormene, A. P."Long-term rearrangement of retinal structures in a novel mutation of X-linked retinoschisis". Biomedical Reports 7.3 (2017): 241-246.
Chicago
Piermarocchi, S., Miotto, S., Colavito, D., Del Giudice, E., Leon, A., Maritan, V., Piermarocchi, R., Tormene, A. P."Long-term rearrangement of retinal structures in a novel mutation of X-linked retinoschisis". Biomedical Reports 7, no. 3 (2017): 241-246. https://doi.org/10.3892/br.2017.954
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