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Li JW, Qian YJ, Mao SJ, Chao YQ, Qin YF, Hu CX, Li ZL, Zou CC. Clinical features associated with maternal uniparental disomy for chromosome 6. Mol Cytogenet 2024; 17:18. [PMID: 39075593 PMCID: PMC11287833 DOI: 10.1186/s13039-024-00688-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 07/20/2024] [Indexed: 07/31/2024] Open
Abstract
BACKGROUND Maternal uniparental disomy for chromosome 6 (upd(Cajaiba MM, Witchel S, Madan-Khetarpal S, Hoover J, Hoffner L, Macpherson T, et al. Prenatal diagnosis of trisomy 6 rescue resulting in paternal UPD6 with novel placental findings. Am J Med Genet Part A. 2011;155 A(8):1996-2002.)mat) has been previously reported to cause intrauterine growth restriction (IUGR), but the specific clinical phenotype has not been defined. Based on clinical data from two new cases and patients from the literature, specific phenotypes and mechanisms will be discussed further. CASE PRESENTATION In case 1, a maternal isodisomy mixed with a heterodisomy was found on chromosome 6, including a regional absence of heterozygosity between 6q23.3 and 6q27. In case 2, a homozygous SCUBE3 mutation and upd(Cajaiba MM, Witchel S, Madan-Khetarpal S, Hoover J, Hoffner L, Macpherson T, et al. Prenatal diagnosis of trisomy 6 rescue resulting in paternal UPD6 with novel placental findings. Am J Med Genet Part A. 2011;155 A(8):1996-2002.)mat, involving the 6p21.1-25.1 region were found. Clinical data related to upd(Cajaiba MM, Witchel S, Madan-Khetarpal S, Hoover J, Hoffner L, Macpherson T, et al. Prenatal diagnosis of trisomy 6 rescue resulting in paternal UPD6 with novel placental findings. Am J Med Genet Part A. 2011;155 A(8):1996-2002.)mat were also reviewed. Of all the 21 reported cases with upd(Cajaiba MM, Witchel S, Madan-Khetarpal S, Hoover J, Hoffner L, Macpherson T, et al. Prenatal diagnosis of trisomy 6 rescue resulting in paternal UPD6 with novel placental findings. Am J Med Genet Part A. 2011;155 A(8):1996-2002.)mat (including our 2 cases), 18 (85.7%) presented IUGR. CONCLUSIONS The phenotypes of the two newly identified patients with upd(Cajaiba MM, Witchel S, Madan-Khetarpal S, Hoover J, Hoffner L, Macpherson T, et al. Prenatal diagnosis of trisomy 6 rescue resulting in paternal UPD6 with novel placental findings. Am J Med Genet Part A. 2011;155 A(8):1996-2002.)mat further suggest that IUGR is associated with upd(Cajaiba MM, Witchel S, Madan-Khetarpal S, Hoover J, Hoffner L, Macpherson T, et al. Prenatal diagnosis of trisomy 6 rescue resulting in paternal UPD6 with novel placental findings. Am J Med Genet Part A. 2011;155 A(8):1996-2002.)mat and case 2 is the first reported upd(Cajaiba MM, Witchel S, Madan-Khetarpal S, Hoover J, Hoffner L, Macpherson T, et al. Prenatal diagnosis of trisomy 6 rescue resulting in paternal UPD6 with novel placental findings. Am J Med Genet Part A. 2011;155 A(8):1996-2002.)mat patient with a homozygous SCUBE3 gene mutation. However, the specific phenotypes involved in upd(Cajaiba MM, Witchel S, Madan-Khetarpal S, Hoover J, Hoffner L, Macpherson T, et al. Prenatal diagnosis of trisomy 6 rescue resulting in paternal UPD6 with novel placental findings. Am J Med Genet Part A. 2011;155 A(8):1996-2002.)mat and the related mechanisms need to be further studied.
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Affiliation(s)
- Jing-Wen Li
- Department of Endocrinology, the Children's Hospital of Zhejiang University School of Medicine, No 3333 Binsheng Road, Hangzhou, 310052, China
| | - Yan-Jie Qian
- Department of Endocrinology, the Children's Hospital of Zhejiang University School of Medicine, No 3333 Binsheng Road, Hangzhou, 310052, China
| | - Shao-Jia Mao
- Department of Endocrinology, the Children's Hospital of Zhejiang University School of Medicine, No 3333 Binsheng Road, Hangzhou, 310052, China
| | - Yun-Qi Chao
- Department of Endocrinology, the Children's Hospital of Zhejiang University School of Medicine, No 3333 Binsheng Road, Hangzhou, 310052, China
| | - Yi-Fang Qin
- Department of Endocrinology, the Children's Hospital of Zhejiang University School of Medicine, No 3333 Binsheng Road, Hangzhou, 310052, China
| | - Chen-Xi Hu
- Department of Endocrinology, the Children's Hospital of Zhejiang University School of Medicine, No 3333 Binsheng Road, Hangzhou, 310052, China
| | - Zheng-Lan Li
- Department of Endocrinology, the Children's Hospital of Zhejiang University School of Medicine, No 3333 Binsheng Road, Hangzhou, 310052, China
- Department of Pediatrics, the Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, 215008, China
| | - Chao-Chun Zou
- Department of Endocrinology, the Children's Hospital of Zhejiang University School of Medicine, No 3333 Binsheng Road, Hangzhou, 310052, China.
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Jiang Y, Xiao YX, Xiong JJ, Zhang VW, Dong C, Xu L, Liu F. Maternal uniparental disomy for chromosome 6 in 2 prenatal cases with IUGR: case report and literature review. Mol Cytogenet 2024; 17:1. [PMID: 38173004 PMCID: PMC10765649 DOI: 10.1186/s13039-023-00670-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 12/12/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Uniparental disomy (UPD) is a rare genetic condition leading to potential disease risks. Maternal UPD of chromosome 6 upd(6)mat is exceptionally rare, with limited cases reported. This study reported two new cases of upd(6)mat and reviewed the literature of previous cases. CASE PRESENTATION Both cases exhibited intrauterine growth restriction (IUGR), and genetic analysis confirmed upd(6)mat in each case. The literature review identified a total of 19 cases. IUGR and preterm labor were the most common two symptoms observed, and additional anomalies and genetic variations were also reported in some cases. CONCLUSION upd(6)mat is potentially associatied with IUGR, but the precise genotype-phenotype relationship remains unclear. The cases with upd(6)mat may present clinical features due to imprinting disorders.
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Affiliation(s)
- Yan Jiang
- Chongqing Health Center for Women and Children/Women and Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Yang Xue Xiao
- Chongqing Health Center for Women and Children/Women and Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Jiao Jiao Xiong
- Chongqing Health Center for Women and Children/Women and Children's Hospital of Chongqing Medical University, Chongqing, China
| | | | | | - Lei Xu
- AmCare Genomics Lab, Guangzhou, China
| | - Fang Liu
- Chongqing Health Center for Women and Children/Women and Children's Hospital of Chongqing Medical University, Chongqing, China.
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Eggermann T, Oehl-Jaschkowitz B, Dicks S, Thomas W, Kanber D, Albrecht B, Begemann M, Kurth I, Beygo J, Buiting K. The maternal uniparental disomy of chromosome 6 (upd(6)mat) "phenotype": result of placental trisomy 6 mosaicism? Mol Genet Genomic Med 2017; 5:668-677. [PMID: 29178649 PMCID: PMC5702562 DOI: 10.1002/mgg3.324] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 06/28/2017] [Accepted: 07/05/2017] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Maternal uniparental disomy of chromosome 6 (upd(6)mat) is a rare finding and its clinical relevance is currently unclear. Based on clinical data from two new cases and patients from the literature, the pathogenetic significance of upd(6)mat is delineated. METHODS Own cases were molecularly characterized for isodisomic uniparental regions on chromosome 6. For further cases with upd(6)mat, a literature search was conducted and genetic and clinical data were ascertained. RESULTS Comparison of isodisomic regions between the new upd(6)mat cases and those from four reports did not reveal any common isodisomic region. Among the patients with available cytogenetic data, five had a normal karyotype in lymphocytes, whereas a trisomy 6 (mosaicism) was detected prenatally in four cases. A common clinical picture was not obvious in upd(6)mat, but intrauterine growth restriction (IUGR) and preterm delivery were frequent. CONCLUSION A common upd(6)mat phenotype is not obvious, but placental dysfunction due to trisomy 6 mosaicism probably contributes to IUGR and preterm delivery. In fact, other clinical features observed in upd(6)mat patients might be caused by homozygosity of recessive mutations or by an undetected trisomy 6 cell line. Upd(6)mat itself is not associated with clinical features, and can rather be regarded as a biomarker. In case upd(6)mat is detected, the cause for the phenotype is identified indirectly, but the UPD is not the basic cause.
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Affiliation(s)
- Thomas Eggermann
- Medical Faculty, Institute of Human Genetics, RWTH Aachen University, Aachen, Germany
| | | | - Severin Dicks
- Medical Faculty, Institute of Human Genetics, RWTH Aachen University, Aachen, Germany
| | | | - Deniz Kanber
- Institute of Human Genetics, University of Essen, Essen, Germany
| | - Beate Albrecht
- Institute of Human Genetics, University of Essen, Essen, Germany
| | - Matthias Begemann
- Medical Faculty, Institute of Human Genetics, RWTH Aachen University, Aachen, Germany
| | - Ingo Kurth
- Medical Faculty, Institute of Human Genetics, RWTH Aachen University, Aachen, Germany
| | - Jasmin Beygo
- Institute of Human Genetics, University of Essen, Essen, Germany
| | - Karin Buiting
- Institute of Human Genetics, University of Essen, Essen, Germany
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Leung WC, Lau WL, Lo TK, Lau TK, Lam YY, Kan A, Chan K, Lau ET, Tang MH. Two IUGR foetuses with maternal uniparental disomy of chromosome 6 or UPD(6)mat. J OBSTET GYNAECOL 2016; 37:113-115. [PMID: 27922284 DOI: 10.1080/01443615.2016.1242558] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Wing Cheong Leung
- Department of Obstetrics & Gynaecology, Kwong Wah Hospital, Hong Kong Special Administrative Region, China
| | - Wai Lam Lau
- Department of Obstetrics & Gynaecology, Kwong Wah Hospital, Hong Kong Special Administrative Region, China
| | - T. K. Lo
- Department of Obstetrics & Gynaecology, Queen Mary Hospital, Hong Kong Special Administrative Region, China
| | - Tze Kin Lau
- Fetal Medicine Centre, Paramount Medical Centre, Hong Kong Special Administrative Region, China
| | - Y. Y. Lam
- Department of Paediatrics, Kwong Wah Hospital, Hong Kong Special Administrative Region, China
| | - Anita Kan
- Department of Obstetrics & Gynaecology, Queen Mary Hospital, Hong Kong Special Administrative Region, China
| | - Kelvin Chan
- Department of Obstetrics & Gynaecology, Queen Mary Hospital, Hong Kong Special Administrative Region, China
| | - Elizabeth T. Lau
- Department of Obstetrics & Gynaecology, The University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Mary H. Tang
- Department of Obstetrics & Gynaecology, The University of Hong Kong, Hong Kong Special Administrative Region, China
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Maternal uniparental disomy for chromosome 6 in a patient with IUGR, ambiguous genitalia, and persistent mullerian structures. Am J Med Genet A 2016; 170:3227-3230. [DOI: 10.1002/ajmg.a.37876] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Accepted: 07/18/2016] [Indexed: 11/07/2022]
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Eggermann T, Soellner L, Buiting K, Kotzot D. Mosaicism and uniparental disomy in prenatal diagnosis. Trends Mol Med 2015; 21:77-87. [DOI: 10.1016/j.molmed.2014.11.010] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 11/18/2014] [Accepted: 11/26/2014] [Indexed: 01/21/2023]
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Roosing S, van den Born LI, Hoyng CB, Thiadens AAHJ, de Baere E, Collin RWJ, Koenekoop RK, Leroy BP, van Moll-Ramirez N, Venselaar H, Riemslag FCC, Cremers FPM, Klaver CCW, den Hollander AI. Maternal uniparental isodisomy of chromosome 6 reveals a TULP1 mutation as a novel cause of cone dysfunction. Ophthalmology 2013; 120:1239-46. [PMID: 23499059 DOI: 10.1016/j.ophtha.2012.12.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Revised: 12/04/2012] [Accepted: 12/04/2012] [Indexed: 11/28/2022] Open
Abstract
PURPOSE The majority of the genetic causes of autosomal recessive (ar) cone dystrophy (CD) and cone-rod dystrophy (CRD) are currently unknown. We used a high-resolution homozygosity mapping approach in a cohort of patients with CD or CRD to identify new genes for ar cone disorders. DESIGN Case series. PARTICIPANTS A cohort of 159 patients with ar CD and 91 patients with CRD. METHODS The genomes of 83 patients with ar CD and 73 patients with CRD were analyzed for homozygous regions using single nucleotide polymorphism (SNP) microarrays. One patient showed homozygosity of SNPs across chromosome 6, and segregation analysis was performed using microsatellite markers. Direct sequencing of all retinal disease genes on chromosome 6 revealed a novel pathogenic TULP1 mutation in this patient. A cohort of 159 individuals with CD and 91 individuals with CRD was screened for this particular mutation using the restriction enzyme HhaI. The medical history of patients carrying the TULP1 mutation was reviewed and additional ophthalmic examinations were performed, including electroretinography (ERG), perimetry, optical coherence tomography (OCT), fundus autofluorescence (FAF), and fundus photography. MAIN OUTCOME MEASURES TULP1 mutations, age at diagnosis, visual acuity, fundus appearance, color vision defects, visual field, ERG, FAF, and OCT findings. RESULTS In 1 patient, homozygosity mapping and subsequent segregation analysis revealed maternal uniparental disomy (UPD) of chromosome 6. A novel homozygous missense mutation (p.Arg420Ser) was identified in TULP1, whereas no mutations were detected in other retinal disease genes on chromosome 6. The mutation affects a highly conserved amino acid residue in the Tubby domain and is predicted to be pathogenic. The same homozygous mutation was also identified in an additional, unrelated patient with CRD. Both patients carrying the p.Arg420Ser mutation presented with a bull's eye maculopathy. The first patient had progressive loss of visual acuity with a relatively preserved ERG, whereas the second patient developed loss of visual acuity, peripheral degeneration, and severely reduced ERG responses in a cone-rod pattern. CONCLUSIONS Maternal UPD of chromosome 6 unmasked a mutation in the TULP1 gene as a novel cause of cone dysfunction. This expands the disease spectrum of TULP1 mutations from Leber congenital amaurosis and early-onset retinitis pigmentosa to cone-dominated disease. FINANCIAL DISCLOSURE(S) The author(s) have no proprietary or commercial interest in any materials discussed in this article.
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Affiliation(s)
- Susanne Roosing
- Department of Human Genetics, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
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Cajaiba MM, Witchel S, Madan-Khetarpal S, Hoover J, Hoffner L, Macpherson T, Surti U. Prenatal diagnosis of trisomy 6 rescue resulting in paternal UPD6 with novel placental findings. Am J Med Genet A 2011; 155A:1996-2002. [PMID: 21739591 DOI: 10.1002/ajmg.a.34106] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2011] [Accepted: 04/22/2011] [Indexed: 01/10/2023]
Abstract
Uniparental disomy (UPD) is defined by the inheritance of both copies of a chromosome pair from one single parent. Although 23 cases of paternal UPD6 have been reported earlier, the occurrence of trisomy 6 rescue with paternal UPD6 has not been previously reported. The phenotype of paternal UPD6 results from biallelic expression of the maternally imprinted, paternally expressed ZAC and HYMAI genes, and includes transient neonatal diabetes mellitus (TNDM), intra-uterine growth restriction (IUGR), macroglossia, and minor anomalies. Trisomy rescue has been proposed as a pathogenic mechanism leading to UPD of other chromosomes. We report on the first case of a prenatally diagnosed infant with UPD6 and describe the clinical, cytogenetic, molecular, and novel placental findings in a female infant with paternal UPD6. Low-level trisomy 6 and paternal UPD6 were prenatally diagnosed through amniocentesis. After birth trisomy 6 was documented in the placenta but was not found in three different cell lines from the infant. The placenta was small with a peculiar pattern of vascular proliferation. Our results of trisomy 6 cells predominantly present in the placenta and only in low levels in the amniotic fluid suggest that the distribution and proportion of trisomic and diploid UPD cells contribute to the variability of fetal and placental phenotypes.
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Affiliation(s)
- Mariana M Cajaiba
- Department of Pathology, University of Pittsburgh Medical Center, Pennsylvania, USA
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Sasaki K, Okamoto N, Kosaki K, Yorifuji T, Shimokawa O, Mishima H, Yoshiura KI, Harada N. Maternal uniparental isodisomy and heterodisomy on chromosome 6 encompassing a CUL7 gene mutation causing 3M syndrome. Clin Genet 2010; 80:478-83. [DOI: 10.1111/j.1399-0004.2010.01599.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Salahshourifar I, Halim AS, Sulaiman WAW, Zilfalil BA. Maternal uniparental heterodisomy of chromosome 6 in a boy with an isolated cleft lip and palate. Am J Med Genet A 2010; 152A:1818-21. [PMID: 20583164 DOI: 10.1002/ajmg.a.33526] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
We describe a chromosome 6 uniparental disomy (UPD6) in a boy, discovered during a screening for the genetic cause of cleft lip and palate. In the medical literature, almost all documented cases of UPD6 are paternal in origin, and only four were maternal. We present here a report of complete maternal chromosome 6 uniparental heterodisomy. Haplotype analysis was performed using highly polymorphic short tandem repeat (STR) markers that span both arms of chromosome 6. Analysis of these markers revealed the presence of two maternal alleles but no paternal allele, indicating an instance of maternal uniparental heterodisomy. Chromosome analysis of peripheral blood lymphocytes confirmed a normal male karyotype. Advanced maternal age at the time of the infant's birth and heterodisomy of markers around the centromere favors a meiosis-I error. No specific phenotype has been reported for maternal UPD6. Therefore, the cleft lip and palate in the present case probably occurred due to other risk factors. This report provides further evidence that maternal UPD6 has no specific clinical consequences and adds to the collective knowledge of this rare chromosomal finding.
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Affiliation(s)
- Iman Salahshourifar
- Human Genome Center, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
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Prando C, Boisson-Dupuis S, Grant A, Kong XF, Bustamante J, Feinberg J, Chapgier A, Rose Y, Jannière L, Rizzardi E, Zhang Q, Shanahan CM, Viollet L, Lyonnet S, Abel L, Ruga EM, Casanova JL. Paternal uniparental isodisomy of chromosome 6 causing a complex syndrome including complete IFN-gamma receptor 1 deficiency. Am J Med Genet A 2010; 152A:622-9. [PMID: 20186794 PMCID: PMC2946788 DOI: 10.1002/ajmg.a.33291] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Mendelian susceptibility to mycobacterial disease (MSMD) is a rare primary immunodeficiency associated with clinical disease caused by weakly virulent mycobacterial species. Interferon gamma receptor 1 (IFN-gammaR1) deficiency is a genetic etiology of MSMD. We describe the clinical and genetic features of a 7-year-old Italian boy suffering from MSMD associated with a complex phenotype, including neonatal hyperglycemia, neuromuscular disease, and dysmorphic features. The child also developed necrotizing pneumonia caused by Rhodococcus equi. The child is homozygous for a nonsense mutation in exon 3 of IFNGR1 as a result of paternal uniparental disomy (UPD) of the entire chromosome 6. This is the first reported case of uniparental disomy resulting in a complex phenotype including MSMD.
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Affiliation(s)
- Carolina Prando
- Laboratory of Human Genetics of Infectious Disease, Rockefeller Branch, The Rockefeller University, New York, New York, USA
| | - Stéphanie Boisson-Dupuis
- Laboratory of Human Genetics of Infectious Disease, Rockefeller Branch, The Rockefeller University, New York, New York, USA
- Laboratory of Human Genetics of Infectious Disease, Necker Branch, Necker Medical School, INSERM U550, Paris, France
- Necker Medical School, University Paris Descartes, Paris, France
| | - Audrey Grant
- Laboratory of Human Genetics of Infectious Disease, Necker Branch, Necker Medical School, INSERM U550, Paris, France
- Necker Medical School, University Paris Descartes, Paris, France
| | - Xiao-Fei Kong
- Laboratory of Human Genetics of Infectious Disease, Rockefeller Branch, The Rockefeller University, New York, New York, USA
- Laboratory of Human Genetics of Infectious Disease, Necker Branch, Necker Medical School, INSERM U550, Paris, France
- Necker Medical School, University Paris Descartes, Paris, France
- French-Chinese Laboratory of Genetics and Life Science, Ruijin Hospital, Shanghai Jiaotong University, Shanghai, People's Republic fo China
| | - Jacinta Bustamante
- Laboratory of Human Genetics of Infectious Disease, Necker Branch, Necker Medical School, INSERM U550, Paris, France
- Necker Medical School, University Paris Descartes, Paris, France
| | - Jacqueline Feinberg
- Laboratory of Human Genetics of Infectious Disease, Necker Branch, Necker Medical School, INSERM U550, Paris, France
- Necker Medical School, University Paris Descartes, Paris, France
| | - Ariane Chapgier
- Laboratory of Human Genetics of Infectious Disease, Necker Branch, Necker Medical School, INSERM U550, Paris, France
- Necker Medical School, University Paris Descartes, Paris, France
| | - Yoann Rose
- Laboratory of Human Genetics of Infectious Disease, Necker Branch, Necker Medical School, INSERM U550, Paris, France
- Necker Medical School, University Paris Descartes, Paris, France
| | - Lucile Jannière
- Laboratory of Human Genetics of Infectious Disease, Necker Branch, Necker Medical School, INSERM U550, Paris, France
- Necker Medical School, University Paris Descartes, Paris, France
| | - Elena Rizzardi
- Department of Pediatrics, Division of Pediatric Infectious Diseases, University of Padua, Padua, Italy
| | - Qiuping Zhang
- Cardiovascular Division, King's College London, James Black Centre, London, UK
| | | | - Louis Viollet
- INSERM U781, Necker Medical School, University Paris Descartes, Paris, France
| | - Stanislas Lyonnet
- INSERM U781, Necker Medical School, University Paris Descartes, Paris, France
| | - Laurent Abel
- Laboratory of Human Genetics of Infectious Disease, Rockefeller Branch, The Rockefeller University, New York, New York, USA
- Laboratory of Human Genetics of Infectious Disease, Necker Branch, Necker Medical School, INSERM U550, Paris, France
- Necker Medical School, University Paris Descartes, Paris, France
| | - Ezia Maria Ruga
- Department of Pediatrics, Division of Pediatric Infectious Diseases, University of Padua, Padua, Italy
| | - Jean-Laurent Casanova
- Laboratory of Human Genetics of Infectious Disease, Rockefeller Branch, The Rockefeller University, New York, New York, USA
- Laboratory of Human Genetics of Infectious Disease, Necker Branch, Necker Medical School, INSERM U550, Paris, France
- Necker Medical School, University Paris Descartes, Paris, France
- Pediatric Immunology and Hematology Unit, Necker Enfants Malades Hospital, Paris, France
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Chen CP, Chern SR, Lee PY, Town DD, Wang W. Prenatal diagnosis of low-level mosaic trisomy 6 by amniocentesis. Prenat Diagn 2006; 26:1093-6. [PMID: 17072899 DOI: 10.1002/pd.1573] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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