PMID- 37975849 OWN - NLM STAT- MEDLINE DCOM- 20231120 LR - 20240210 IS - 1552-5783 (Electronic) IS - 0146-0404 (Print) IS - 0146-0404 (Linking) VI - 64 IP - 14 DP - 2023 Nov 1 TI - Clinical Characteristics and Genetic Variants in Taiwanese Patients With PROM1-Related Inherited Retinal Disorders. PG - 25 LID - 10.1167/iovs.64.14.25 [doi] LID - 25 AB - PURPOSE: This study investigated the clinical characteristics of patients with PROM1-related inherited retinal diseases (IRDs). METHODS: Patients diagnosed with IRDs who had mutations in PROM1 were identified at Linkou Chang Gung Memorial Hospital and Kaohsiung Medical University Hospital in Taiwan. Information on clinical characteristics and best-corrected visual acuity was recorded. Color fundus (CF) images, fundus autofluorescence photography (FAF), spectral-domain optical coherence tomography (SD-OCT), and electroretinograms (ERGs) were analyzed to examine patient phenotypes. PROM1 variants were detected using whole exome sequencing and verified by Sanger sequencing. RESULTS: Fourteen patients from nine families with PROM1-related IRDs were analyzed. Most patients exhibited chorioretinal atrophy in the macular area, with or without extramacular involvement on CF. Similarly, hypo-autofluorescence confined to the macular area, with or without extramacular involvement, was present for most patients on FAF. Furthermore, SD-OCT revealed outer retinal tubulations and focal or diffuse retinal thinning. ERGs showed variable findings, including maculopathy with normal ERG, subnormal cone response, and extinguished rod and cone responses. We detected five variants of the PROM1 gene, including c.139del, c.794del, c.1238T>A, c.2110C>T, and c.1117C>T. CONCLUSIONS: In this study, we evaluated 14 Taiwanese patients with five PROM1 variants. Additionally, incomplete penetrance of heterozygous PROM1 variants was observed. Furthermore, patients with autosomal dominant PROM1 variants had lesions in the macular area and the peripheral region of the retina. SD-OCT serves as a useful tool for early detection of PROM1-related IRDs, as it captures certain signs of such diseases. FAU - Lin, Tzu-Yi AU - Lin TY AD - Department of Education, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. AD - College of Medicine, Chang Gung University, Taoyuan, Taiwan. FAU - Wu, Pei-Liang AU - Wu PL AD - College of Medicine, National Taiwan University, Taipei, Taiwan. AD - Department of Ophthalmology, Edward S. Harkness Eye Institute, Columbia University Irving Medical Center, Columbia University, New York, New York, United States. FAU - Kang, Eugene Yu-Chuan AU - Kang EY AD - College of Medicine, Chang Gung University, Taoyuan, Taiwan. AD - Department of Ophthalmology, Edward S. Harkness Eye Institute, Columbia University Irving Medical Center, Columbia University, New York, New York, United States. AD - Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. AD - Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan. FAU - Chi, Yi-Chun AU - Chi YC AD - Department of Ophthalmology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan. FAU - Jenny, Laura A AU - Jenny LA AD - Department of Ophthalmology, Edward S. Harkness Eye Institute, Columbia University Irving Medical Center, Columbia University, New York, New York, United States. FAU - Lin, Pei-Hsuan AU - Lin PH AD - Department of Ophthalmology, Edward S. Harkness Eye Institute, Columbia University Irving Medical Center, Columbia University, New York, New York, United States. AD - Department of Ophthalmology, National Taiwan University Yunlin Branch, Yunlin, Taiwan. FAU - Lee, Chia-Ying AU - Lee CY AD - Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. FAU - Liu, Chun-Hsiu AU - Liu CH AD - College of Medicine, Chang Gung University, Taoyuan, Taiwan. AD - Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. FAU - Liu, Laura AU - Liu L AD - College of Medicine, Chang Gung University, Taoyuan, Taiwan. AD - Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. FAU - Yeh, Lung-Kun AU - Yeh LK AD - College of Medicine, Chang Gung University, Taoyuan, Taiwan. AD - Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. FAU - Chen, Kuan-Jen AU - Chen KJ AD - College of Medicine, Chang Gung University, Taoyuan, Taiwan. AD - Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. FAU - Hwang, Yih-Shiou AU - Hwang YS AD - College of Medicine, Chang Gung University, Taoyuan, Taiwan. AD - Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. FAU - Wu, Wei-Chi AU - Wu WC AD - College of Medicine, Chang Gung University, Taoyuan, Taiwan. AD - Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. FAU - Lai, Chi-Chun AU - Lai CC AD - College of Medicine, Chang Gung University, Taoyuan, Taiwan. AD - Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. AD - Department of Ophthalmology, Chang Gung Memorial Hospital, Keelung, Taiwan. FAU - Hsiao, Meng-Chang AU - Hsiao MC AD - Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, United States. FAU - Liu, Pei-Kang AU - Liu PK AD - Department of Ophthalmology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan. AD - School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan. FAU - Wang, Nan-Kai AU - Wang NK AD - College of Medicine, Chang Gung University, Taoyuan, Taiwan. AD - Department of Ophthalmology, Edward S. Harkness Eye Institute, Columbia University Irving Medical Center, Columbia University, New York, New York, United States. AD - Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. LA - eng GR - P30 EY019007/EY/NEI NIH HHS/United States GR - R01 EY031354/EY/NEI NIH HHS/United States PT - Journal Article PL - United States TA - Invest Ophthalmol Vis Sci JT - Investigative ophthalmology & visual science JID - 7703701 RN - 0 (PROM1 protein, human) RN - 0 (AC133 Antigen) SB - IM MH - Humans MH - Retina/pathology MH - *Retinal Degeneration/genetics MH - *Macular Degeneration/diagnosis MH - Retinal Cone Photoreceptor Cells MH - Mutation MH - Electroretinography MH - Tomography, Optical Coherence/methods MH - AC133 Antigen/genetics PMC - PMC10664721 COIS- Disclosure: T.-Y. Lin, None; P.-L. Wu, None; E.Y.-C. Kang, None; Y.-C. Chi, None; L.A. Jenny, None; P.-H. Lin, None; C.-Y. Lee, None; C.-H. Liu, None; L. Liu, None; L.-K. Yeh, None; K.-J. Chen, None; Y.-S. Hwang, None; W.-C. Wu, None; C.-C. Lai, None; M.-C. Hsiao, None; P.-K. Liu, None; N.-K. Wang, None EDAT- 2023/11/17 15:32 MHDA- 2023/11/20 06:55 PMCR- 2023/11/17 CRDT- 2023/11/17 10:33 PHST- 2023/11/20 06:55 [medline] PHST- 2023/11/17 15:32 [pubmed] PHST- 2023/11/17 10:33 [entrez] PHST- 2023/11/17 00:00 [pmc-release] AID - 2793025 [pii] AID - IOVS-23-37751 [pii] AID - 10.1167/iovs.64.14.25 [doi] PST - ppublish SO - Invest Ophthalmol Vis Sci. 2023 Nov 1;64(14):25. doi: 10.1167/iovs.64.14.25.