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Mangla M, Kaliappan A, Srirambhatla A, Chandrupatla M, Motwani R, Kumar N, Roy S. Fraser syndrome with limb reduction defect: a rare and unique anatomic variation. Surg Radiol Anat 2024; 46:501-506. [PMID: 38310170 DOI: 10.1007/s00276-024-03299-9] [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: 10/19/2023] [Accepted: 01/04/2024] [Indexed: 02/05/2024]
Abstract
INTRODUCTION Fraser syndrome, named after George Fraser, is an autosomal recessive disorder showing a highly variable interfamilial phenotypic variation, with malformations ranging from minor symptoms to lethal anomalies like renal agenesis, incompatible with survival. Limb reduction defects have not been reported to be associated with it. CASE PRESENTATION A 21-year-old primigravida presented to the antenatal outpatient department with a level two targeted anomaly scan report suggestive of severe oligohydramnios with suspected renal agenesis. The cranial vault bones were compressed, and orbital globes and lenses could not be visualized. Renal agenesis was confirmed due to sleeping adrenals sign, non-visualization of the urinary bladder, and Doppler of renal arteries. A detailed examination of the fetal head in the sagittal section showed the absence of an eye globe and lens, arousing suspicion of Fraser syndrome. After pregnancy termination, a complete fetal autopsy was done to look for any additional findings. CONCLUSION Patients who have a syndromic mix of acrofacial and urogenital abnormalities with or without cryptophthalmos should be evaluated for Fraser syndrome, which can be diagnosed by clinical examination and perinatal autopsy.
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Affiliation(s)
- Mishu Mangla
- Department of Obstetrics & Gynaecology, All India Institute of Medical Sciences, Bibinagar, Hyderabad, India
| | - Ariyanachi Kaliappan
- Department of Anatomy, All India Institute of Medical Sciences, Bibinagar, Hyderabad, India
| | - Annapurna Srirambhatla
- Department of Radiodiagnosis, All India Institute of Medical Sciences, Bibinagar, 508126, Hyderabad, India.
| | - Mrudula Chandrupatla
- Department of Anatomy, All India Institute of Medical Sciences, Bibinagar, Hyderabad, India
| | - Rohini Motwani
- Department of Anatomy, All India Institute of Medical Sciences, Bibinagar, Hyderabad, India
| | - Naina Kumar
- Department of Obstetrics & Gynaecology, All India Institute of Medical Sciences, Bibinagar, Hyderabad, India
| | - Subhrajyoti Roy
- Department of Obstetrics & Gynaecology, All India Institute of Medical Sciences, Bibinagar, Hyderabad, India
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Sánchez Godoy L, Hernández Barceló JE. [About a case of Fraser syndrome. Autopsy of a 37 weeks gestation fetus with multiple malformations]. REVISTA ESPANOLA DE PATOLOGIA : PUBLICACION OFICIAL DE LA SOCIEDAD ESPANOLA DE ANATOMIA PATOLOGICA Y DE LA SOCIEDAD ESPANOLA DE CITOLOGIA 2024; 57:64-66. [PMID: 38246713 DOI: 10.1016/j.patol.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 06/13/2023] [Accepted: 07/09/2023] [Indexed: 01/23/2024]
Abstract
Fraser syndrome or cryptophthalmos-syndactyly syndrome is a rare genetic disease, the diagnosis of which is based on a series of major and minor clinical criteria and that can be supported by genetic tests. This article presents the case of a fetal autopsy at 37 weeks of gestation with suspicion of CHAOS syndrome (congenital obstructive syndrome of the upper airways).
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Affiliation(s)
- Laura Sánchez Godoy
- Servicio de Anatomía Patológica, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, España.
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Ou TY, Tsai MC, Kuo PL, Lee NC, Chou YY. Whole exome sequencing identifies a novel FRAS1 mutation and aids in vitro fertilization with preimplantation genetic diagnosis in Fraser syndrome. Taiwan J Obstet Gynecol 2022; 61:521-524. [PMID: 35595450 DOI: 10.1016/j.tjog.2022.03.022] [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] [Accepted: 03/29/2021] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE To demonstrate the picture of a woman who had three times of pregnancies but fetuses were complicated with Fraser syndrome, a rare genetic disorder with multiple congenital anomalies. CASE REPORT Here are three complicated pregnancies with predominant features of severe oligohydramnios and other variable intrafamilial presentations. We made a definite diagnosis, Fraser syndrome, with the assistance of whole exome sequencing (WES) via umbilical blood of the second and third fetus. The provision of a preimplantation diagnosis helped contribute a healthy newborn in this family. CONCLUSION This paper provides insights into obscure antenatal presentations of Fraser syndrome with intrafamilial variance. Clinical uncertainty at the fetal stage suggests the role of WES to reach a final diagnosis, and a preimplantation diagnosis is applicable to avoid recurrence of genetic disorders in subsequent pregnancies.
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Affiliation(s)
- Tsung-Ying Ou
- Division of Genetics, Endocrinology and Metabolism, Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Genomic Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Pediatrics, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chiayi, Taiwan
| | - Meng-Che Tsai
- Division of Genetics, Endocrinology and Metabolism, Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Genomic Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Pao-Lin Kuo
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Genomic Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ni-Chung Lee
- Department of Pediatrics and Medical Genetics, National Taiwan University Hospital, Taipei, Taiwan
| | - Yen-Yin Chou
- Division of Genetics, Endocrinology and Metabolism, Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Genomic Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
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Anophtalmie bilatérale au cours du syndrome de Fraser : à propos d’un cas. J Fr Ophtalmol 2022; 45:e234-e236. [DOI: 10.1016/j.jfo.2021.05.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 05/03/2021] [Accepted: 05/12/2021] [Indexed: 11/20/2022]
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Madan J, Shetty M, Ramamurthy BS, Managoli S. A multidisciplinary approach for prenatal diagnosis of FRASER SYNDROME-report of a novel variant in FRAS1. Taiwan J Obstet Gynecol 2022; 61:129-131. [PMID: 35181022 DOI: 10.1016/j.tjog.2021.11.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/02/2021] [Indexed: 10/19/2022] Open
Abstract
OBJECTIVE With this case report, we would like to highlight the importance of a multidisciplinary approach and atypical findings of congenital high airway obstruction sequence (CHAOS), anhydramnios, and renal dysgenesis in the prenatal diagnosis of Fraser syndrome (FS). CASE REPORT A 25-year-old primigravida at 19 weeks of routine anomaly scan revealed abnormal sonographic findings such as fetal bilateral dysplastic small kidneys and gross oligohydramnios. The further detailed evaluation revealed that both fetal lungs were hyperechogenic with prominent (dilated) trachea and bronchi suggestive of CHAOS. Based on these findings, a diagnosis of FS was suspected. The couple was counseled and the pregnancy was terminated. The postmortem evaluation and novel homozygous variant in the FRAS1 gene confirmed the diagnosis of FS. CONCLUSION The diagnosis and counseling of the patient were supported by a well-coordinated, multidisciplinary approach involving an obstetrician, a fetal medicine specialist, a medical geneticist, and a fetal pathologist.
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Affiliation(s)
- Jyothsna Madan
- Department of Obstetrics and Gynecology, Cloudnine Hospital, Bangalore, India
| | - Mitesh Shetty
- Dept of Medical Genetics, Manipal Hospital, Bangalore, India.
| | | | - Surekha Managoli
- Department of Fetal Medicine and Radiology, Cloudnine Hospital, Bangalore, India
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Excluding embryos with two novel mutations in FREM2 gene by the next-generation sequencing-based single nucleotide polymorphism haplotyping. Aging (Albany NY) 2021; 13:24786-24794. [PMID: 34837691 PMCID: PMC8660615 DOI: 10.18632/aging.203715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 10/27/2021] [Indexed: 11/25/2022]
Abstract
Fraser syndrome is a rare autosomal recessive malformation disorder. It is characterized by cryptophthalmos, syndactyly, urinary tract abnormalities and ambiguous genitalia. This condition is due to homozygous or heterozygous mutations in the FRAS1, FREM1, FREM2, and GRIP1 genes. In the present study, we recruited a Chinese family with Fraser syndrome. Two novel mutations c.7542_7543insG and c.2689C>T in the FREM2 gene were detected in this Fraser syndrome family by PCR-based sequencing. The next-generation sequencing-based single nucleotide polymorphism haplotyping method was applied to exclude these two mutations in 9 blastocysts obtained from the patient. After obtaining consent and informing the risk, the patient received in vitro fertilization and embryo transfer treatment with an embryo carrying a heterozygous mutation. Finally, she delivered a healthy baby without any complications on March 17, 2019. In conclusion, we first reported two novel mutations in the FREM2 gene associated with the risk of Fraser syndrome. Moreover, we described a next-generation sequencing-based single nucleotide polymorphism haplotyping method to select the ‘right’ embryos from patients with Fraser syndrome for in vitro fertilization and embryo transfer treatment.
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Varela MF, Pinzon-Guzman C, Riddle S, Parikh R, McKinney D, Rutter M, Lim FY, Peiro JL. EXIT-to-airway: Fundamentals, prenatal work-up, and technical aspects. Semin Pediatr Surg 2021; 30:151066. [PMID: 34172204 DOI: 10.1016/j.sempedsurg.2021.151066] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Ex-utero intrapartum treatment (EXIT) is a delivery strategy developed to manage a variety of prenatally diagnosed conditions in the transition to newborn life. This procedure allows control and provides time for intervention in otherwise life-threatening malformations, such as congenital upper airway obstructions. EXIT-to-airway has changed the outcome of fetuses with these anomalies. The main purpose of this intervention is to improve the safety of establishing a reliable airway at birth. Maximal but controlled uterine relaxation to maintain feto-maternal perfusion and thus gas exchange, while keeping the fetal and maternal well-being are the paradigms of any type of EXIT. The most important aspect of fetal airway management is to consolidate a highly trained, well-coordinated, multidisciplinary team that is prepared for every contingency. A comprehensive prenatal assessment, including ultrasound, fetal echocardiogram, fetal MRI, and genetic testing is imperative for patient selection. Extensive preoperative planning, ad-hoc team meetings, and surgical simulations for challenging cases are critical strategies to achieve the best outcomes. This article outlines the prenatal work-up, decision making, technical aspects, and principles for a successful EXIT-to-airway procedure.
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Affiliation(s)
- Maria Florencia Varela
- The Center for Fetal and Placental Research, Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center (CCHMC), 3333 Burnet Avenue, MLC 2023, Cincinnati, OH 45229, USA
| | - Carolina Pinzon-Guzman
- The Center for Fetal and Placental Research, Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center (CCHMC), 3333 Burnet Avenue, MLC 2023, Cincinnati, OH 45229, USA; Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center (CCHMC), Cincinnati, OH, USA
| | - Stefanie Riddle
- Division of Neonatology, Cincinnati Children's Hospital Medical Center (CCHMC), Cincinnati, OH, USA.; University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Rupi Parikh
- Department of Anesthesia, Cincinnati Children's Hospital Medical Center (CCHMC), Cincinnati, OH, USA; University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - David McKinney
- Department of Obstetrics and Gynecology, University of Cincinnati College of Medicine, Cincinnati, OH, USA; University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Michael Rutter
- Division of Pediatric Otolaryngology, Head and Neck Surgery, Cincinnati Children's Hospital Medical Center (CCHMC), Cincinnati, OH, USA; University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Foong-Yen Lim
- Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center (CCHMC), Cincinnati, OH, USA; University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Jose L Peiro
- The Center for Fetal and Placental Research, Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center (CCHMC), 3333 Burnet Avenue, MLC 2023, Cincinnati, OH 45229, USA; Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center (CCHMC), Cincinnati, OH, USA; University of Cincinnati College of Medicine, Cincinnati, OH, USA.
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Zhi Q, Wan D, Ren R, Xu Z, Guo X, Han Y, Liu F, Xu Y, Qin L, Wang Y. Circular RNA profiling identifies circ102049 as a key regulator of colorectal liver metastasis. Mol Oncol 2020; 15:623-641. [PMID: 33131207 PMCID: PMC7858140 DOI: 10.1002/1878-0261.12840] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 09/03/2020] [Accepted: 10/30/2020] [Indexed: 12/24/2022] Open
Abstract
Circular RNA (circRNA) plays an essential role in the development and progression of various cancers. However, the functions and mechanisms of circRNA in colorectal liver metastasis have not been fully elucidated. We performed circRNA microarray analysis to screen differentially expressed circRNA in the pathology of colorectal liver metastasis. Quantitative real-time PCR was used to detect the expression of hsa_circ_102049 (circ102049) in colorectal cancer (CRC) samples. CRC cells were transfected with circ102049 overexpression vector or small interfering (si)RNA to assess the effects of circ102049 in vitro. Bioinformatics analysis, fluorescence in situ hybridization, RNA immunoprecipitation, RNA pull-down and luciferase reporter assays were conducted to confirm the relationship of circ102049, miR-761, miR-192-3p and FRAS1. The mechanism by which circ102049 recruits and distributes DGCR8 protein in the cytoplasm was also investigated. We found that circ102049 was highly expressed in primary CRC tumors with liver metastasis and closely correlated with the prognosis of patients with CRC. Circ102049 significantly enhanced the adhesion, migration and invasion abilities of CRC cells, and promoted CRC progression via a micro (mi)R-761/miR-192-3p-FRAS1-dependent mechanism. Notably, due to the distribution of DGCR8 protein, circ102049 may also indirectly reduce the levels of mature miR-761 and miR-192-3p in the cytoplasm. In addition, the role of circ102049 in promoting colorectal liver metastasis was confirmed in vivo. Our findings provide new evidence that circ102049 may be a potential prognostic factor in CRC, and that the circ102049-miR-761/miR-192-3p-FRAS1 axis may be an anti-metastatic target for CRC patients.
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Affiliation(s)
- Qiaoming Zhi
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, China.,Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Daiwei Wan
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Rui Ren
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhihua Xu
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiaobo Guo
- Department of Gastrointestinal Surgery, Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Ye Han
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Fei Liu
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Ye Xu
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, China
| | - Lei Qin
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yilin Wang
- Department of Hepatic Surgery, Fudan University Shanghai Cancer Center, Shanghai Medical College, China
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Ikeda S, Akamatsu C, Ijuin A, Nagashima A, Sasaki M, Mochizuki A, Nagase H, Enomoto Y, Kuroda Y, Kurosawa K, Ishikawa H. Prenatal diagnosis of Fraser syndrome caused by novel variants of FREM2. Hum Genome Var 2020; 7:32. [PMID: 33082983 PMCID: PMC7532185 DOI: 10.1038/s41439-020-00119-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 08/03/2020] [Accepted: 08/03/2020] [Indexed: 11/12/2022] Open
Abstract
Fraser syndrome (FS) involves multiple malformations and has a 25% recurrence risk among siblings. However, these malformations are difficult to detect prenatally, hampering prenatal diagnosis. Here, we describe a fetus with FS diagnosed using ultrasonography. Ultrasonography revealed congenital high airway obstruction syndrome and renal agenesis. Syndactyly of both hands and cryptophthalmos were noted postnatally, and the diagnosis was confirmed by genetic analysis, which showed novel compound heterozygous variants of FREM2.
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Affiliation(s)
- Shoko Ikeda
- Department of Obstetrics and Gynecology, Kanagawa Children’s Medical Center, Yokohama, Japan
| | - Chika Akamatsu
- Department of Obstetrics and Gynecology, Kanagawa Children’s Medical Center, Yokohama, Japan
| | - Akifumi Ijuin
- Department of Obstetrics and Gynecology, Kanagawa Children’s Medical Center, Yokohama, Japan
| | - Ami Nagashima
- Department of Obstetrics and Gynecology, Kanagawa Children’s Medical Center, Yokohama, Japan
| | - Megumi Sasaki
- Department of Obstetrics and Gynecology, Kanagawa Children’s Medical Center, Yokohama, Japan
| | - Akihiko Mochizuki
- Department of Obstetrics and Gynecology, Kanagawa Children’s Medical Center, Yokohama, Japan
| | - Hiromi Nagase
- Department of Obstetrics and Gynecology, Kanagawa Children’s Medical Center, Yokohama, Japan
| | - Yumi Enomoto
- Clinical Research Institute, Kanagawa Children’s Medical Center, Yokohama, Japan
| | - Yukiko Kuroda
- Division of Medical Genetics, Kanagawa Children’s Medical Center, Yokohama, Japan
| | - Kenji Kurosawa
- Division of Medical Genetics, Kanagawa Children’s Medical Center, Yokohama, Japan
| | - Hiroshi Ishikawa
- Department of Obstetrics and Gynecology, Kanagawa Children’s Medical Center, Yokohama, Japan
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Brimo Alsaman MZ, Agha S, Sallah H, Badawi R, Kitaz MN, Assani A, Nawfal H. Bilateral anophthalmia and intrahepatic biliary atresia, two unusual components of Fraser syndrome: a case report. BMC Pregnancy Childbirth 2020; 20:358. [PMID: 32522149 PMCID: PMC7288532 DOI: 10.1186/s12884-020-03048-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 06/04/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Fraser syndrome or "cryptophthalmos syndrome" is a rare autosomal recessive disease. It is characterized by a group of congenital malformations such as: crytophthalmos, syndactyly, abnormal genitalia, and malformations of the nose, ears, and larynx. Although cryptophthalmos is considered as a main feature of Fraser syndrome, its absence does not exclude the diagnosis. Clinical diagnosis can be made by Thomas Criteria. Here we present the first documented case of Fraser Syndrome in Aleppo, Syria that is characterized by bilateral anophthalmia and intrahepatic biliary atresia. CASE PRESENTATION During pregnancy, several ultrasound scans revealed hyperechoic lungs, ascites, and unremarkable right kidney at the 19th-week visit; bilateral syndactyly on both hands and feet at the 32nd-week visit. On the 39th week of gestation, the stillborn was delivered by cesarean section due to cephalopelvic disproportion. Gross examination showed bilateral anophthalmia, bilateral syndactyly on hands and feet, low set ears, and ambiguous genitalia. Microscopic examination of the lung, spleen, liver, ovary, and kidneys revealed abnormalities in these organs. CONCLUSION The diagnosis of Fraser syndrome can be made prenatally and postnatally; prenatally by ultrasound at 18 weeks of gestation and postnatally by clinical examination using Thomas criteria. Moreover, intrahepatic biliary atresia was not described previously with Fraser syndrome; this recommends a more detailed pathologic study for Fraser syndrome cases.
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Affiliation(s)
| | - Sarab Agha
- Department of Pathology, Faculty of Medicine, University of Aleppo, Aleppo, Syria
| | - Hala Sallah
- Faculty of Medicine, University of Aleppo, Aleppo, Syria
| | - Rayan Badawi
- Faculty of Medicine, University of Aleppo, Aleppo, Syria
| | | | | | - Hamdi Nawfal
- Department of Embryology, Faculty of Medicine, University of Aleppo, Aleppo, Syria
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Provenzano A, Palazzo V, Reho P, Pagliazzi A, Marozza A, Farina A, Zuffardi O, Giglio S. Noninvasive prenatal diagnosis in a family at risk for Fraser syndrome. Prenat Diagn 2020; 40:905-908. [DOI: 10.1002/pd.5700] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 03/06/2020] [Accepted: 04/04/2020] [Indexed: 01/21/2023]
Affiliation(s)
- Aldesia Provenzano
- Medical Genetics Unit, Department of Clinical and Experimental Biomedical Sciences "Mario Serio"University of Florence Florence Italy
| | - Viviana Palazzo
- Medical Genetics UnitMeyer Children's University Hospital Florence Italy
| | - Paolo Reho
- Medical Genetics Unit, Department of Clinical and Experimental Biomedical Sciences "Mario Serio"University of Florence Florence Italy
| | - Angelica Pagliazzi
- Medical Genetics Unit, Department of Clinical and Experimental Biomedical Sciences "Mario Serio"University of Florence Florence Italy
| | | | - Antonio Farina
- Division of Obstetrics and Prenatal Medicine, Department of Medicine and Surgery (DIMEC), Sant'Orsola‐Malpighi HospitalUniversity of Bologna Bologna Italy
| | - Orsetta Zuffardi
- Unit of Medical Genetics, Department of Molecular MedicineUniversity of Pavia Pavia Italy
| | - Sabrina Giglio
- Medical Genetics Unit, Department of Clinical and Experimental Biomedical Sciences "Mario Serio"University of Florence Florence Italy
- Medical Genetics UnitMeyer Children's University Hospital Florence Italy
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Bouaoud J, Olivetto M, Testelin S, Dakpe S, Bettoni J, Devauchelle B. Fraser syndrome: review of the literature illustrated by a historical adult case. Int J Oral Maxillofac Surg 2020; 49:1245-1253. [PMID: 31982235 DOI: 10.1016/j.ijom.2020.01.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 11/11/2019] [Accepted: 01/09/2020] [Indexed: 11/26/2022]
Abstract
Fraser syndrome (cryptophthalmos-syndactyly syndrome) is a rare autosomal recessive malformation disorder. The first description of the syndrome was reported by George Fraser in 1962. Diagnosis is based on the major and minor criteria established by van Haelst et al. in 2007. Unilateral or bilateral cryptophthalmos, syndactyly, unilateral renal agenesis, and genital anomalies are the most frequent anomalies. Several maxillofacial, oro-dental, ear-nose-throat, hormonal, and anorectal disorders are reported. Cardiac malformations and musculoskeletal anomalies are uncommon. The syndrome is related to mutations in three different genes (FRAS1, FREM2, and GRIP1) resulting in failure of the apoptosis program and disruption of the epithelial-mesenchymal interactions during embryonic development. Prenatal diagnosis is based on the detection of renal agenesis and laryngeal atresia, together with a family history. Most foetuses with severe anomalies are terminated or are stillborn. All patients or pregnancies with a diagnosis of Fraser syndrome should be referred to expert centres. A collaborative approach including anaesthetists, ENT specialists, maxillofacial surgeons, and geneticists is necessary for the management of this syndrome. In vivo and in vitro research models are available to better understand the underlying aetiology.
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Affiliation(s)
- J Bouaoud
- Department of Maxillofacial Surgery, University Hospital of Amiens, Amiens, France; Department of Maxillofacial Surgery and Stomatology, Pitié-Salpétrière Hospital, Pierre et Marie Curie University Paris 6, Sorbonne Paris Cite University, AP-HP, Paris, France.
| | - M Olivetto
- Department of Maxillofacial Surgery, University Hospital of Amiens, Amiens, France
| | - S Testelin
- Department of Maxillofacial Surgery, University Hospital of Amiens, Amiens, France
| | - S Dakpe
- Department of Maxillofacial Surgery, University Hospital of Amiens, Amiens, France
| | - J Bettoni
- Department of Maxillofacial Surgery, University Hospital of Amiens, Amiens, France
| | - B Devauchelle
- Department of Maxillofacial Surgery, University Hospital of Amiens, Amiens, France
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Boussion S, Lyonnet S, Van Der Zwaag B, Vogel MJ, Smol T, Mezel A, Manouvrier-Hanu S, Vincent-Delorme C, Vanlerberghe C. Fraser syndrome without cryptophthalmos: Two cases. Eur J Med Genet 2020; 63:103839. [PMID: 31923588 DOI: 10.1016/j.ejmg.2020.103839] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 11/21/2019] [Accepted: 01/05/2020] [Indexed: 11/18/2022]
Abstract
Fraser syndrome (MIM#219000) is an autosomal recessive disorder, characterized by the association of cryptophthtalmos, syndactyly of the four extremities, urinary tract abnormalities and laryngo-tracheal anomalies. This condition is due to homozygous or compound heterozygous mutations in the FRAS/FREM complex genes: FRAS1, FREM2 and GRIP1. Here we report two atypical cases of Fraser syndrome due to mutations in the FRAS1 gene without cryptophthalmos. The first proband had syndactyly of three extremities, bilateral nostril coloboma, dysplastic ears with bilateral conductive hearing loss, blepharophimosis and lacrimal duct abnormalities. FRAS1 sequencing identified two pathogenic compound heterozygous variants: a nonsense variant in exon 70 and a missense variant in exon 24. The second proband had membranous syndactyly of the four extremities, left renal agenesis, laryngeal and ano-rectal malformations, dysplastic ears and bilateral conductive hearing loss. FRAS1 sequencing identified a pathogenic homozygous variant in the last exon of the gene. This first description of molecularly confirmed cases with Fraser syndrome without cryptophthalmos could contribute to further delineation of the clinical spectrum of Fraser syndrome, especially for possible phenotypically milder cases. Larger cohorts are required to try to refer the hypothesis of genotype-phenotype correlation.
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Affiliation(s)
- S Boussion
- CHU Lille, Clinique de Génétique, F-59000, Lille, France; Univ. Lille, RADEME, EA 7364, F-59000, Lille, France
| | - S Lyonnet
- Service de Génétique Médicale et Institut Imagine, Inserm UMR1163, Hôpital universitaire Necker-Enfants malades, AP-HP, Paris, France
| | - B Van Der Zwaag
- Department of Genetics, University Medical Center Utrecht, Utrecht, the Netherlands
| | - M J Vogel
- Department of Genetics, University Medical Center Utrecht, Utrecht, the Netherlands
| | - T Smol
- Univ. Lille, RADEME, EA 7364, F-59000, Lille, France; CHU Lille, Institut de Génétique Médicale, F-59000, Lille, France
| | - A Mezel
- CHU Lille, Service de chirurgie orthopédique pédiatrique, F-59000, Lille, France
| | - S Manouvrier-Hanu
- CHU Lille, Clinique de Génétique, F-59000, Lille, France; Univ. Lille, RADEME, EA 7364, F-59000, Lille, France
| | - C Vincent-Delorme
- CHU Lille, Clinique de Génétique, F-59000, Lille, France; Univ. Lille, RADEME, EA 7364, F-59000, Lille, France
| | - C Vanlerberghe
- CHU Lille, Clinique de Génétique, F-59000, Lille, France; Univ. Lille, RADEME, EA 7364, F-59000, Lille, France.
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14
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Mbonda A, Endomba FT, Kanmounye US, Nkeck JR, Tochie JN. Diagnosis of Fraser syndrome missed out until the age of six months old in a low-resource setting: a case report. BMC Pediatr 2019; 19:292. [PMID: 31438902 PMCID: PMC6704688 DOI: 10.1186/s12887-019-1673-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 08/15/2019] [Indexed: 11/16/2022] Open
Abstract
Background Fraser syndrome is a rare genetic disorder that often presents with ocular, renal, genital and limb’s congenital anomalies. The prognosis of this genetic disorder depends on the severity of the combination of congenital malformations, some of which may be fatal. The diagnosis of Fraser syndrome is based on established clinical criteria and genetic tests. The criteria enabling clinical diagnosis are visible dysmorphic features present at birth, hence, Fraser syndrome can easily diagnosed at birth, except when health professionals are inexperienced in clinical recognition. Herein, we report a case of Fraser syndrome missed out at birth and fortuitously diagnosed at the age of six months in a bid to raise clinicians’ awareness, particularly in resource-limited settings. Case presentation We report a case of a six-month-old Cameroonian female infant, born at home and taken the following day to a primary healthcare facility for neonatal care. Her mother had no antenatal care until birth. She presented at our health center with respiratory distress and fever. She had a temperature of 38.8 °C and signs of left lung basal consolidation, suggestive of a left lower lober pneumonia, confirmed on chest x-ray. Other incidental clinical findings were several dysmorphic features like bilateral cryptophthalmos, nasal malformation, anal imperforation (with a perianal fistula), an external genital anomaly and syndactyly characteristic of Fraser syndrome associated with pneumonia. The patient responded well to intravenous antibiotics for the treatment of her pneumonia. Thereafter, she was referred to a pediatric surgeaon for surgical corrections of her bilateral cryptophthalmos, anal imperforation, external genital defect and syndactyly. Conclusion Here we presented a case of Fraser syndrome in a Cameroonian infant whose diagnosis was missed out at birth and fortuitously made at six months of age. In view of the serious and potentially fatal complications of this genetic disorder, we draw clinicians’ attention, especially obstetricians, midwives and pediatricians for a high index of clinical suspicion geared at a timely diagnosis and management. Also, for a timely diagnosis, health education on regular antenatal and postnatal follow ups of the mother-infant couple respectively, cannot be overemphasized.
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Affiliation(s)
- Aimé Mbonda
- Department of Public Health, Faculty of Medicine and Biomedical Sciences, The University of Yaoundé I, Yaounde, Cameroon.,District Hospital Djohong, Adamawa, Cameroon
| | - Francky Teddy Endomba
- Department of Internal Medicine, Faculty of Medicine and Biomedical Sciences, The University of Yaoundé I, Yaounde, Cameroon
| | - Ulrick S Kanmounye
- International Team, InciSioN, Adamawa, Cameroon.,Program in Global Surgery and Social Change, Harvard Medical School, Boston, USA.,Faculty of Medicine, Université Technologique Bel Campus, Kinshasa, DR, Congo
| | - Jan René Nkeck
- Department of Internal Medicine, Faculty of Medicine and Biomedical Sciences, The University of Yaoundé I, Yaounde, Cameroon
| | - Joel Noutakdie Tochie
- Department of Surgery and Anaesthesiology, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaounde, Cameroon.
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15
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Talati AN, Webster CM, Vora NL. Prenatal genetic considerations of congenital anomalies of the kidney and urinary tract (CAKUT). Prenat Diagn 2019; 39:679-692. [PMID: 31343747 DOI: 10.1002/pd.5536] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 07/16/2019] [Accepted: 07/20/2019] [Indexed: 12/20/2022]
Abstract
Congenital anomalies of the kidney and urinary tract (CAKUT) constitute 20% of all congenital malformations occurring in one in 500 live births. Worldwide, CAKUT are responsible for 40% to 50% of pediatric and 7% of adult end-stage renal disease. Pathogenic variants in genes causing CAKUT include monogenic diseases such as polycystic kidney disease and ciliopathies, as well as syndromes that include isolated kidney disease in conjunction with other abnormalities. Prenatal diagnosis most often occurs using ultrasonography; however, further genetic diagnosis may be made using a variety of testing strategies. Family history and pathologic examination can also provide information to improve the ability to make a prenatal diagnosis of CAKUT. Here, we provide a comprehensive overview of genetic considerations in the prenatal diagnosis of CAKUT disorders. Specifically, we discuss monogenic causes of CAKUT, associated ultrasound characteristics, and considerations for genetic diagnosis, antenatal care, and postnatal care.
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Affiliation(s)
- Asha N Talati
- Department of Obstetrics and Gynecology, DRAFT, Division of Maternal Fetal Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Carolyn M Webster
- Department of Obstetrics and Gynecology, DRAFT, Division of Maternal Fetal Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Neeta L Vora
- Department of Obstetrics and Gynecology, DRAFT, Division of Maternal Fetal Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
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16
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Mardy AH, Chetty SP, Norton ME, Sparks TN. A system-based approach to the genetic etiologies of non-immune hydrops fetalis. Prenat Diagn 2019; 39:732-750. [PMID: 31087399 DOI: 10.1002/pd.5479] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Revised: 04/11/2019] [Accepted: 05/09/2019] [Indexed: 12/11/2022]
Abstract
A wide spectrum of genetic causes may lead to nonimmune hydrops fetalis (NIHF), and a thorough phenotypic and genetic evaluation are essential to determine the underlying etiology, optimally manage these pregnancies, and inform discussions about anticipated prognosis. In this review, we outline the known genetic etiologies of NIHF by fetal organ system affected, and provide a systematic approach to the evaluation of NIHF. Some of the underlying genetic disorders are associated with characteristic phenotypic features that may be seen on prenatal ultrasound, such as hepatomegaly with lysosomal storage disorders, hyperechoic kidneys with congenital nephrosis, or pulmonary valve stenosis with RASopathies. However, this is not always the case, and the approach to evaluation must include prenatal ultrasound findings as well as genetic testing and many other factors. Genetic testing that has been utilized for NIHF ranges from standard chromosomal microarray or karyotype to gene panels and broad approaches such as whole exome sequencing. Family and obstetric history, as well as pathology examination, can yield additional clues that are helpful in establishing a diagnosis. A systematic approach to evaluation can guide a more targeted approach to genetic evaluation, diagnosis, and management of NIHF.
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Affiliation(s)
- Anne H Mardy
- Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, San Francisco, CA, US
| | - Shilpa P Chetty
- Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, San Francisco, CA, US
| | - Mary E Norton
- Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, San Francisco, CA, US
| | - Teresa N Sparks
- Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, San Francisco, CA, US
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17
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Morimoto Y, Yoshida S, Kinoshita A, Satoh C, Mishima H, Yamaguchi N, Matsuda K, Sakaguchi M, Tanaka T, Komohara Y, Imamura A, Ozawa H, Nakashima M, Kurotaki N, Kishino T, Yoshiura KI, Ono S. Nonsense mutation in CFAP43 causes normal-pressure hydrocephalus with ciliary abnormalities. Neurology 2019; 92:e2364-e2374. [PMID: 31004071 PMCID: PMC6598815 DOI: 10.1212/wnl.0000000000007505] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 01/22/2019] [Indexed: 11/24/2022] Open
Abstract
Objective To identify genes related to normal-pressure hydrocephalus (NPH) in one Japanese family with several members with NPH. Methods We performed whole-exome sequencing (WES) on a Japanese family with multiple individuals with NPH and identified a candidate gene. Then we generated knockout mouse using CRISPR/Cas9 to confirm the effect of the candidate gene on the pathogenesis of hydrocephalus. Results In WES, we identified a loss-of-function variant in CFAP43 that segregated with the disease. CFAP43 encoding cilia- and flagella-associated protein is preferentially expressed in the testis. Recent studies have revealed that mutations in this gene cause male infertility owing to morphologic abnormalities of sperm flagella. We knocked out mouse ortholog Cfap43 using CRISPR/Cas9 technology, resulting in Cfap43-deficient mice that exhibited a hydrocephalus phenotype with morphologic abnormality of motile cilia. Conclusion Our results strongly suggest that CFAP43 is responsible for morphologic or movement abnormalities of cilia in the brain that result in NPH.
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Affiliation(s)
- Yoshiro Morimoto
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Shintaro Yoshida
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Akira Kinoshita
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Chisei Satoh
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Hiroyuki Mishima
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Naohiro Yamaguchi
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Katsuya Matsuda
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Miako Sakaguchi
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Takeshi Tanaka
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Yoshihiro Komohara
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Akira Imamura
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Hiroki Ozawa
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Masahiro Nakashima
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Naohiro Kurotaki
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Tatsuya Kishino
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Koh-Ichiro Yoshiura
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan
| | - Shinji Ono
- From the Departments of Neuropsychiatry (Y.M., N.Y., H.O.) and Otolaryngology-Head and Neck Surgery (C.S.), Unit of Translation Medicine, and Department of Human Genetics (S.Y., A.K., H.M., K.-i.Y., S.O.), Nagasaki University Graduate School of Biomedical Sciences; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute (K.M., M.N.), Central Laboratory, Institute of Tropical Medicine (NEKKEN) (M.S.), and Gene Research Center, Center for Frontier Life Sciences (T.K.), Nagasaki University; Department of Infectious Diseases (T.T.) and Child and Adolescent Psychiatry Community Partnership Unit (A.I.), Nagasaki University Hospital; Department of Cell Pathology (Y.K.), Graduate School of Medical Sciences, Kumamoto University; and Department of Clinical Psychology, Faculty of Medicine (N.K.), Kagawa University, Takamatsu, Japan.
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Zhang X, Wang D, Dongye M, Zhu Y, Chen C, Wang R, Long E, Liu Z, Wu X, Lin D, Chen J, Lin Z, Wang J, Li W, Li Y, Li D, Lin H. Loss-of-function mutations in FREM2 disrupt eye morphogenesis. Exp Eye Res 2019; 181:302-312. [PMID: 30802441 DOI: 10.1016/j.exer.2019.02.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 01/30/2019] [Accepted: 02/17/2019] [Indexed: 10/27/2022]
Abstract
Cryptophthalmos is a rare congenital disorder characterized by ocular dysplasia with eyelid malformation. Complete cryptophthalmos is characterized by the presence of continuous skin from the forehead over the eyes and onto the cheek, along with complete fusion of the eyelids. In the present study, we characterized the clinical manifestations of three patients with isolated bilateral cryptophthalmos. These patients shared the same c.6499C > T missense mutation in the FRAS1-related extracellular matrix protein 2 (FREM2) gene, while each individual presented an additional nonsense mutation in the same gene (Patient #1, c.2206C > T; Patient #2, c.5309G > A; and Patient #3, c.4063C > T). Then, we used CRISPR/Cas9 to generate mice carrying Frem2R725X/R2156W compound heterozygous mutations, and showed that these mice recapitulated the human isolated cryptophthalmos phenotype. We detected FREM2 expression in the outer plexiform layer of the retina for the first time in the cryptophthalmic eyes, and the levels were comparable to the wild-type mice. Moreover, a set of different expressed genes that may contribute secondarily to the phenotypes were identified by performing RNA sequencing (RNA-seq) of the fetal Frem2 mutant mice. Our findings extend the spectrum of FREM2 mutations, and provide insights into opportunities for the prenatal diagnosis of isolated cryptophthalmos. Furthermore, our work highlights the importance of the FREM2 protein during the development of eyelids and the anterior segment of the eyeballs, establishes a suitable animal model for studying epithelial reopening during eyelid development and serves as a valuable reference for further mechanistic studies of the pathogenesis of isolated cryptophthalmos.
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Affiliation(s)
- Xiayin Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Dongni Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Meimei Dongye
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Yi Zhu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China; Department of Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Chuan Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China; Department of Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Ruixin Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Erping Long
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Zhenzhen Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Xiaohang Wu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Duoru Lin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Jingjing Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Zhuoling Lin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Jinghui Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Wangting Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Yang Li
- Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Key Laboratory of Ophthalmology and Visual Science, Beijing, 100730, China
| | - Dongmei Li
- Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Key Laboratory of Ophthalmology and Visual Science, Beijing, 100730, China
| | - Haotian Lin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China.
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Li C, Jiang H, Chen J, Wu R, Bi Y, Yang M, Zhang Y, Pan B. Evaluation of tracheobronchial branching abnormalities in patients with microtia using chest computed tomography. Int J Pediatr Otorhinolaryngol 2017; 102:39-43. [PMID: 29106873 DOI: 10.1016/j.ijporl.2017.07.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 07/27/2017] [Indexed: 12/25/2022]
Abstract
BACKGROUND The objective of this study was to identify the characteristics and incidence of Tracheobronchial branching abnormalities in patients with microtia and to evaluate the risk of anesthesia. METHODS A total of 204 consecutive microtia patients and 465 nose cosmetic patients without microtia received a preoperative chest computed tomography. A retrospective study was performed with the clinical and imaging data from July 2016 to April 2017. RESULTS With the chest computed tomography images, a total of 7 cases were documented with Tracheobronchial branching abnormalities, including 6 cases among the microtia patients and 1 case among the cosmetic patients without microtia. The incidence of Tracheobronchial branching abnormalities was higher in microtia patients than the cosmetic patients without microtia (2.94% versus 0.22%, P < 0.01). CONCLUSIONS The incidence of Tracheobronchial branching abnormalities was high in patients with microtia. Preoperative diagnosis of tracheal bronchus can help anesthesiologists avoid complications. Microtia with Tracheobronchial branching abnormalities may involve a new syndrome previously undiscovered or just another extension with the very wide spectrum of microtia.
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Affiliation(s)
- Chuan Li
- Department of Auricular Reconstruction, Plastic Surgery Hospital, Peking Union Medical College, Badachu Road No. 33, Beijing, People's Republic of China
| | - Haiyue Jiang
- Department of Auricular Reconstruction, Plastic Surgery Hospital, Peking Union Medical College, Badachu Road No. 33, Beijing, People's Republic of China
| | - Jingning Chen
- Department of ENT, China-Japan Friendship Hospital, Cherry Park Street No. 2, Beijing, People's Republic of China
| | - Rongwei Wu
- Department of Auricular Reconstruction, Plastic Surgery Hospital, Peking Union Medical College, Badachu Road No. 33, Beijing, People's Republic of China
| | - Ye Bi
- Department of Auricular Reconstruction, Plastic Surgery Hospital, Peking Union Medical College, Badachu Road No. 33, Beijing, People's Republic of China
| | - Meirong Yang
- Department of Auricular Reconstruction, Plastic Surgery Hospital, Peking Union Medical College, Badachu Road No. 33, Beijing, People's Republic of China
| | - Ye Zhang
- Department of Auricular Reconstruction, Plastic Surgery Hospital, Peking Union Medical College, Badachu Road No. 33, Beijing, People's Republic of China
| | - Bo Pan
- Department of Auricular Reconstruction, Plastic Surgery Hospital, Peking Union Medical College, Badachu Road No. 33, Beijing, People's Republic of China.
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