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Nguyen TT, Truong ATH, Hoang VA, Van Huynh D, Van Nguyen T, Le CT, Dang DTP, Le MHN. Oculo-facio-cardio-dental (OFCD) syndrome: a case report. J Med Case Rep 2024; 18:18. [PMID: 38178193 PMCID: PMC10765806 DOI: 10.1186/s13256-023-04244-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 11/05/2023] [Indexed: 01/06/2024] Open
Abstract
BACKGROUND Oculo-facio-cardio-dental (OFCD) syndrome is a rare condition that affects the eyes, face, heart, and teeth of patients. One notable dental characteristic of OFCD is radiculomegaly, or root gigantism, which highlights the role of dentists in detecting this syndrome. OFCD is an X-linked dominant syndrome that results from a variant in the BCOR gene. Our study presents the first documented case of OFCD in Vietnam and reports a novel BCOR gene variant observed in this case. CASE PRESENTATION A 19-year-old Vietnamese female patient with an extremely long root with an abscess was clinically examined for the expression of OFCDs. The radiograph and the variant in BCOR gene were also evaluated. We identified abnormalities in the teeth, as well as ocular, facial, and cardiac features, with radiculomegaly of the canines being a specific symptom for OFCDs. The patient's genetic analysis revealed a pathogenic heterozygous deletion at intron 11 of the BCOR gene, representing a novel variant. CONCLUSION Oculo-facio-cardio-dental syndrome (OFCD) is an extremely rare condition characterized by abnormalities in the eyes, face, heart, and teeth, often caused by variants in the BCOR gene. Radiculomegaly, or enlarged dental roots, is a key diagnostic feature of OFCD, and early detection is crucial for preventing future dental complications.
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Affiliation(s)
- Tung Thanh Nguyen
- Department of Maxillofacial Surgery and Dental, Franco-Vietnamese Hospital, Ho Chi Minh City, Vietnam.
| | - Anh Thai Hoang Truong
- Department of Maxillofacial Surgery, University of Medicine and Pharmacy, Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Vu Anh Hoang
- Center for Molecular Biomedicine, University of Medicine and Pharmacy, Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Duong Van Huynh
- Department of Maxillofacial Surgery, National Hospital of OdontoStomatology, Ho Chi Minh City, Vietnam
| | - Tuan Van Nguyen
- Department of Maxillofacial Surgery, National Hospital of OdontoStomatology, Ho Chi Minh City, Vietnam
| | - Chanh Trung Le
- Department of Maxillofacial Surgery, National Hospital of OdontoStomatology, Ho Chi Minh City, Vietnam
| | | | - Minh Huu Nhat Le
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei City, Taiwan.
- Research Center for Artificial Intelligence in Medicine, Taipei Medical University, Taipei City, Taiwan.
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BCOR variants are associated with X-linked recessive partial epilepsy. Epilepsy Res 2022; 187:107036. [DOI: 10.1016/j.eplepsyres.2022.107036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/12/2022] [Accepted: 10/17/2022] [Indexed: 11/19/2022]
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Hu Q, Mai J, Xiang Q, Zhou B, Liu S, Wang J. A novel deletion mutation in the BCOR gene is associated with oculo-facio-cardio-dental syndrome: a case report. BMC Pediatr 2022; 22:82. [PMID: 35130870 PMCID: PMC8819928 DOI: 10.1186/s12887-022-03148-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 01/31/2022] [Indexed: 11/11/2022] Open
Abstract
Background Oculo-facio-cardio-dental syndrome is a rare X-linked dominant syndrome, characterized by radiculomegaly, congenital cataracts, dysmorphic facial features, and congenital heart disease. Because of the rarity, this syndrome could be misdiagnosed by the clinician, especially for the infant who may present only one to two systems involved. Case presentation Here we report a 3-month-old female infant presenting with typical clinical manifestations of oculo-facio-cardio-dental syndrome, like ocular, facial, cardiac, and skeletal abnormalities, and the genetic analyses of the proband and her parents were provided. Genetic evaluations were completed using whole exon sequencing, which revealed a novel heterozygous mutation between exons 7 and 14 of the BCOR gene(OMIM:300485) in this patient but not in her parents. This mutation is likely to encode a premature stop codon producing a truncated protein. Our patient was diagnosed early enough to allow for the cardiac defects to be treated first, and she will be closely followed up to ensure that any new presentations are treated in a timeous manner. Conclusion This patient fits the diagnostic criteria for oculo-facio-cardio-dental syndrome and is the youngest oculo-facio-cardio-dental syndrome patient ever reported, which is most important for her prognosis. In addition, this manuscript also describes a novel potenitally causative mutation for this syndrome.
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Affiliation(s)
- Qian Hu
- Laboratory of Molecular Translational Medicine, Centre for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Clinical Research Center for Birth Defects of Sichuan Province, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, 610041, P.R. China
| | - Jingqun Mai
- Department of Obstetrics and Gynecology, West China Second University Hospital of Sichuan University, Chengdu, 610041, WH, China.,Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, 610041, WH, China
| | - Qinqin Xiang
- Department of Obstetrics and Gynecology, West China Second University Hospital of Sichuan University, Chengdu, 610041, WH, China.,Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, 610041, WH, China
| | - Bin Zhou
- Laboratory of Molecular Translational Medicine, Centre for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Clinical Research Center for Birth Defects of Sichuan Province, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, 610041, P.R. China
| | - Shanling Liu
- Department of Obstetrics and Gynecology, West China Second University Hospital of Sichuan University, Chengdu, 610041, WH, China.,Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, 610041, WH, China
| | - Jing Wang
- Department of Obstetrics and Gynecology, West China Second University Hospital of Sichuan University, Chengdu, 610041, WH, China. .,Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, 610041, WH, China.
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Wang J, Zhang J, Xiong Y, Li J, Li X, Zhao J, Zhu G, He H, Mayinuer Y, Wan X. TGF-β regulation of microRNA miR-497-5p and ocular lens epithelial cell mesenchymal transition. SCIENCE CHINA-LIFE SCIENCES 2020; 63:1928-1937. [PMID: 32399769 DOI: 10.1007/s11427-019-1603-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 11/05/2019] [Indexed: 12/15/2022]
Abstract
The purpose of this study was to investigate the role of a human lens microRNA (miR-497-5p) in regulating epithelialmesenchymal transition (EMT) under the control of transforming growth factor beta (TGF-β). A microRNA array was used to evaluate the microRNA profiles of untreated and TGF-β-treated human lens epithelial cells in culture. This showed that TGF-β treatment led to the upregulation of 96 microRNAs and downregulation of 39 microRNAs. Thirteen microRNAs were predicted to be involved in the pathogenesis of posterior capsule opacification (PCO). Meanwhile, overexpression of miR-497-5p suppressed cell proliferation and EMT 48 h post-transfection, and inhibition of miR-497-5p accelerated cell proliferation and EMT. Treatment with TGF-β inhibited the expression of miR-497-5p, but not cell proliferation. miR-497-5p was also found to regulate the level of CCNE1 and FGF7, which are reported to be actively involved in EMT. CCNE1 and FGF7 were bona fide targets of miR-497-5p. The results suggest that miR-497-5p participates in the direct regulation of lens epithelial cell EMT and is regulated by TGF-β. miR-497-5p may be a novel target for PCO therapy.
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Affiliation(s)
- Jinda Wang
- Beijing Tongren Eye Center, Beijing Tongren Hospital of Capital Medical University; Beijing Key Laboratory of Ophthalmology & Visual Sciences, Beijing Institute of Ophthalmology, Beijing, 100005, China
| | - Jingshang Zhang
- Beijing Tongren Eye Center, Beijing Tongren Hospital of Capital Medical University; Beijing Key Laboratory of Ophthalmology & Visual Sciences, Beijing Institute of Ophthalmology, Beijing, 100005, China
| | - Ying Xiong
- Beijing Tongren Hospital of Capital Medical University, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing Tongren Eye Center, Beijing, 100005, China
| | - Jing Li
- Beijing Tongren Hospital of Capital Medical University, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing Tongren Eye Center, Beijing, 100005, China
| | - Xiaoxia Li
- Beijing Tongren Eye Center, Beijing Tongren Hospital of Capital Medical University; Beijing Key Laboratory of Ophthalmology & Visual Sciences, Beijing Institute of Ophthalmology, Beijing, 100005, China
| | - Jing Zhao
- Beijing Tongren Eye Center, Beijing Tongren Hospital of Capital Medical University; Beijing Key Laboratory of Ophthalmology & Visual Sciences, Beijing Institute of Ophthalmology, Beijing, 100005, China
| | - Guyu Zhu
- Beijing Tongren Eye Center, Beijing Tongren Hospital of Capital Medical University; Beijing Key Laboratory of Ophthalmology & Visual Sciences, Beijing Institute of Ophthalmology, Beijing, 100005, China
| | - Hailong He
- Beijing Tongren Eye Center, Beijing Tongren Hospital of Capital Medical University; Beijing Key Laboratory of Ophthalmology & Visual Sciences, Beijing Institute of Ophthalmology, Beijing, 100005, China
| | - Yusufu Mayinuer
- Beijing Tongren Eye Center, Beijing Tongren Hospital of Capital Medical University; Beijing Key Laboratory of Ophthalmology & Visual Sciences, Beijing Institute of Ophthalmology, Beijing, 100005, China
| | - Xiuhua Wan
- Beijing Tongren Eye Center, Beijing Tongren Hospital of Capital Medical University; Beijing Key Laboratory of Ophthalmology & Visual Sciences, Beijing Institute of Ophthalmology, Beijing, 100005, China.
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Du R, Wang X, He S. BDNF improves axon transportation and rescues visual function in a rodent model of acute elevation of intraocular pressure. SCIENCE CHINA-LIFE SCIENCES 2020; 63:1337-1346. [PMID: 32201927 DOI: 10.1007/s11427-019-1567-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 09/28/2019] [Indexed: 12/12/2022]
Abstract
Optic neuropathies lead to blindness; the common pathology is the degeneration of axons of the retinal ganglion cells. In this study, we used a rat model of retinal ischemia-reperfusion and a one-time intravitreal brain-derived neurotrophic factor (BDNF) injection; then we examined axon transportation function, continuity, physical presence of axons in different part of the optic nerve, and the expression level of proteins involved in axon transportation. We found that in the disease model, axon transportation was the most severely affected, followed by axon continuity, then the number of axons in the distal and proximal optic nerve. BDNF treatment relieved all reductions and significantly restored function. The molecular changes were more minor, probably due to massive gliosis of the optic nerve, so interpretation of protein expression data should be done with some caution. The process in this acute model resembles a fast-forward of changes in the chronic model of glaucoma. Therefore, impairment in axon transportation appears to be a common early process underlying different optic neuropathies. This research on effective intervention can be used to develop interventions for all optic neuropathies targeting axon transportation.
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Affiliation(s)
- Rui Du
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Xu Wang
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Shigang He
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China. .,Institute of Natural Sciences, Shanghai Jiao Tong University, Shanghai, 200240, China. .,Bio-X Institute, Shanghai Jiao Tong University, Shanghai, 200240, China.
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Decreasing intraocular pressure significantly improves retinal vessel density, cytoarchitecture and visual function in rodent oxygen induced retinopathy. SCIENCE CHINA-LIFE SCIENCES 2019; 63:290-300. [PMID: 31728829 DOI: 10.1007/s11427-018-9559-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 08/08/2019] [Indexed: 10/25/2022]
Abstract
We attempted to explore a noninvasive, easily applicable and economically affordable therapy for retinopathy of prematurity (ROP). Rat pups were raised in 80% oxygen from postnatal day 7 to P12, and returned to room air. Travoprost eye drops were administered twice a day for 7 days, to reduce intraocular pressure (IOP) by about 20%. Immunohistochemical staining was performed to visualize vessel endothelial cells, to analyze retinal neurons and cytoarchitecture. Behavioral experiments were carried out to test visual acuity and contrast sensitivity. At the end of the 7-day treatment, the number of vessels extending to the vitreous body was significantly reduced and retinal vessel density increased. This improvement was maintained to the end of the 12th week. In the central retina of the model group, the horizontal cells were completely wiped out, the outer plexiform layer was undetectable, and the rod bipolar cell dendrites sprouted into the outer nuclear layer. The treatment partially reverted these architectural changes. Most importantly, behavioral experiments revealed significantly improved visual acuity and contrast sensitivity in the treated group. Therefore, reducing IOP could potentially serve as a safe and economical measure to treat ROP.
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