Imperial College London

DrAngharadRoberts

Faculty of MedicineNational Heart & Lung Institute

Clinical Senior Lecturer in Cardiovascular Genetics
 
 
 
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Contact

 

+44 (0)20 3313 8313angharad.roberts Website

 
 
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Location

 

Cardiovascular Genetics and GenomicsSydney StreetRoyal Brompton Campus

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Summary

 

Publications

Publication Type
Year
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20 results found

DiStefano MT, Goehringer S, Babb L, Alkuraya FS, Amberger J, Amin M, Austin-Tse C, Balzotti M, Berg JS, Birney E, Bocchini C, Bruford EA, Coffey AJ, Collins H, Cunningham F, Daugherty LC, Einhorn Y, Firth HV, Fitzpatrick DR, Foulger RE, Goldstein J, Hamosh A, Hurles MR, Leigh SE, Leong IUS, Maddirevula S, Martin CL, McDonagh EM, Olry A, Puzriakova A, Radtke K, Ramos EM, Rath A, Riggs ER, Roberts AM, Rodwell C, Snow C, Stark Z, Tahiliani J, Tweedie S, Ware JS, Weller P, Williams E, Wright CF, Yates TM, Rehm HLet al., 2022, The Gene Curation Coalition: A global effort to harmonize gene-disease evidence resources

<jats:sec><jats:title>PURPOSE</jats:title><jats:p>Several groups and resources provide information that pertains to the validity of gene-disease relationships used in genomic medicine and research; however, universal standards and terminologies to define the evidence base for the role of a gene in disease, and a single harmonized resource were lacking. To tackle this issue, the Gene Curation Coalition (GenCC) was formed.</jats:p></jats:sec><jats:sec><jats:title>METHODS</jats:title><jats:p>The GenCC drafted harmonized definitions for differing levels of gene-disease validity based on existing resources, and performed a modified Delphi survey with three rounds to narrow the list of terms. The GenCC also developed a unified database to display curated gene-disease validity assertions from its members.</jats:p></jats:sec><jats:sec><jats:title>RESULTS</jats:title><jats:p>Based on 241 survey responses from the genetics community, a consensus term set was chosen for grading gene-disease validity and database submissions. As of December 2021, the database contains 15,241 gene-disease assertions on 4,569 unique genes from 12 submitters. When comparing submissions to the database from distinct sources, conflicts in assertions of gene-disease validity ranged from 5.3% to 13.4%.</jats:p></jats:sec><jats:sec><jats:title>CONCLUSION</jats:title><jats:p>Terminology standardization, sharing of gene-disease validity classifications, and resolution of curation conflicts will facilitate collaborations across international curation efforts and in turn, improve consistency in genetic testing and variant interpretation.</jats:p></jats:sec>

Working paper

Zhang X, Walsh R, Whiffin N, Buchan R, Midwinter W, Wilk A, Govind R, Li N, Ahmad M, Mazzarotto F, Roberts A, Theotokis P, Mazaika E, Allouba M, de Marvao A, Pua CJ, Day SM, Ashley E, Colan SD, Michels M, Pereira AC, Jacoby D, Ho CY, Olivotto I, Gunnarsson GT, Jefferies J, Semsarian C, Ingles J, ORegan DP, Aguib Y, Yacoub MH, Cook SA, Barton PJR, Bottolo L, Ware JSet al., 2021, Disease-specific variant pathogenicity prediction significantly improves variant interpretation in inherited cardiac conditions, Genetics in Medicine, Vol: 23, Pages: 69-79, ISSN: 1098-3600

Background: Accurate discrimination of benign and pathogenic rare variation remains a priority for clinical genome interpretation. State-of-the-art machine learning tools are useful for genome-wide variant prioritisation but remain imprecise. Since the relationship between molecular consequence and likelihood of pathogenicity varies between genes with distinct molecular mechanisms, we hypothesised that a disease-specific classifier may outperform existing genome-wide tools. Methods: We present a novel disease-specific variant classification tool, CardioBoost, that estimates the probability of pathogenicity for rare missense variants in inherited cardiomyopathies and arrhythmias, trained with variants of known clinical effect. To benchmark against state-of-the-art genome-wide pathogenicity classification tools, we assessed classification of hold-out test variants using both overall performance metrics, and metrics of high-confidence (&gt;90%) classifications relevant to variant interpretation. We further evaluated the prioritisation of variants associated with disease and patient clinical outcomes, providing validations that are robust to potential mis-classification in gold-standard reference datasets.Results: CardioBoost has higher discriminating power than published genome-wide variant classification tools in distinguishing between pathogenic and benign variants based on overall classification performance measures with the highest area under the Precision-Recall Curve as 91% for cardiomyopathies and as 96% for inherited arrhythmias. When assessed at high-confidence (&gt;90%) classification thresholds, prediction accuracy is improved by at least 120% over existing tools for both cardiomyopathies and arrhythmias, with significantly improved sensitivity and specificity. Finally, CardioBoost improves prioritisation of variants significantly associated with disease, and stratifies survival of patients with cardiomyopathies, confirming biologically relevant vari

Journal article

Lopez-Sainz A, Dominguez F, Rocha Lopes L, Pablo Ochoa J, Barriales-Villa R, Climent V, Linschoten M, Tiron C, Chiriatti C, Marques N, Rasmussen TB, Angeles Espinosa M, Beinart R, Quarta G, Cesar S, Field E, Garcia-Pinilla JM, Bilinska Z, Muir AR, Roberts AM, Santas E, Zorio E, Pena-Pena ML, Navarro M, Fernandez A, Palomino-Doza J, Azevedo O, Lorenzini M, Garcia-Alvarez MI, Bento D, Jensen MK, Mendez I, Pezzoli L, Sarquella-Brugada G, Campuzano O, Gonzalez-Lopez E, Mogensen J, Kaski JP, Arad M, Brugada R, Asselbergs FW, Monserrat L, Olivotto I, Elliott PM, Garcia-Pavia Pet al., 2020, Clinical features and natural history of PRKAG2 variant cardiac glycogenosis, Journal of the American College of Cardiology, Vol: 76, Pages: 186-197, ISSN: 0735-1097

BackgroundPRKAG2 gene variants cause a syndrome characterized by cardiomyopathy, conduction disease, and ventricular pre-excitation. Only a small number of cases have been reported to date, and the natural history of the disease is poorly understood.ObjectivesThe aim of this study was to describe phenotype and natural history of PRKAG2 variants in a large multicenter European cohort.MethodsClinical, electrocardiographic, and echocardiographic data from 90 subjects with PRKAG2 variants (53% men; median age 33 years; interquartile range [IQR]: 15 to 50 years) recruited from 27 centers were retrospectively studied.ResultsAt first evaluation, 93% of patients were in New York Heart Association functional class I or II. Maximum left ventricular wall thickness was 18 ± 8 mm, and left ventricular ejection fraction was 61 ± 12%. Left ventricular hypertrophy (LVH) was present in 60 subjects (67%) at baseline. Thirty patients (33%) had ventricular pre-excitation or had undergone accessory pathway ablation; 17 (19%) had pacemakers (median age at implantation 36 years; IQR: 27 to 46 years), and 16 (18%) had atrial fibrillation (median age 43 years; IQR: 31 to 54 years). After a median follow-up period of 6 years (IQR: 2.3 to 13.9 years), 71% of subjects had LVH, 29% had AF, 21% required de novo pacemakers (median age at implantation 37 years; IQR: 29 to 48 years), 14% required admission for heart failure, 8% experienced sudden cardiac death or equivalent, 4% required heart transplantation, and 13% died.ConclusionsPRKAG2 syndrome is a progressive cardiomyopathy characterized by high rates of atrial fibrillation, conduction disease, advanced heart failure, and life-threatening arrhythmias. Classical features of pre-excitation and severe LVH are not uniformly present, and diagnosis should be considered in patients with LVH who develop atrial fibrillation or require permanent pacemakers at a young age.

Journal article

Whiffin N, Karczewski KJ, Zhang X, Chothani S, Smith MJ, Evans DG, Roberts AM, Quaife NM, Schafer S, Rackham O, Alföldi J, O'Donnell-Luria AH, Francioli LC, Genome Aggregation Database Production Team, Genome Aggregation Database Consortium, Cook SA, Barton PJR, MacArthur DG, Ware JSet al., 2020, Characterising the loss-of-function impact of 5' untranslated region variants in 15,708 individuals, Nature Communications, Vol: 11, Pages: 1-12, ISSN: 2041-1723

Upstream open reading frames (uORFs) are tissue-specific cis-regulators of protein translation. Isolated reports have shown that variants that create or disrupt uORFs can cause disease. Here, in a systematic genome-wide study using 15,708 whole genome sequences, we show that variants that create new upstream start codons, and variants disrupting stop sites of existing uORFs, are under strong negative selection. This selection signal is significantly stronger for variants arising upstream of genes intolerant to loss-of-function variants. Furthermore, variants creating uORFs that overlap the coding sequence show signals of selection equivalent to coding missense variants. Finally, we identify specific genes where modification of uORFs likely represents an important disease mechanism, and report a novel uORF frameshift variant upstream of NF2 in neurofibromatosis. Our results highlight uORF-perturbing variants as an under-recognised functional class that contribute to penetrant human disease, and demonstrate the power of large-scale population sequencing data in studying non-coding variant classes.

Journal article

Mazzarotto F, Tayal U, Buchan RJ, Midwinter W, Wilk A, Whiffin N, Govind R, Mazaika E, de Marvao A, Dawes T, Felkin LE, Ahmad M, Theotokis PI, Edwards E, Ing AI, Thomson KL, Chan LLH, Sim D, Baksi AJ, Pantazis A, Roberts AM, Watkins H, Funke B, O'Regan D, Olivotto I, Barton PJR, Prasad SK, Cook SA, Ware JS, Walsh Ret al., 2020, Re-evaluating the genetic contribution of monogenic dilated cardiomyopathy, Circulation, Vol: 141, Pages: 387-398, ISSN: 0009-7322

Background: Dilated cardiomyopathy (DCM) is genetically heterogeneous, with >100 purported disease genes tested in clinical laboratories. However, many genes were originally identified based on candidate-gene studies that did not adequately account for background population variation. Here we define the frequency of rare variation in 2538 DCM patients across protein-coding regions of 56 commonly tested genes and compare this to both 912 confirmed healthy controls and a reference population of 60,706 individuals in order to identify clinically interpretable genes robustly associated with dominant monogenic DCM.Methods: We used the TruSight Cardio sequencing panel to evaluate the burden of rare variants in 56 putative DCM genes in 1040 DCM patients and 912 healthy volunteers processed with identical sequencing and bioinformatics pipelines. We further aggregated data from 1498 DCM patients sequenced in diagnostic laboratories and the ExAC database for replication and meta-analysis.Results: Truncating variants in TTN and DSP were associated with DCM in all comparisons. Variants in MYH7, LMNA, BAG3, TNNT2, TNNC1, PLN, ACTC1, NEXN, TPM1 and VCL were significantly enriched in specific patient subsets, with the last 2 genes potentially contributing primarily to early-onset forms of DCM. Overall, rare variants in these 12 genes potentially explained 17% of cases in the outpatient clinic cohort representing a broad range of adult DCM patients and 26% of cases in the diagnostic referral cohort enriched in familial and early-onset DCM. Whilst the absence of a significant excess in other genes cannot preclude a limited role in disease, such genes have limited diagnostic value since novel variants will be uninterpretable and their diagnostic yield is minimal.Conclusion: In the largest sequenced DCM cohort yet described, we observe robust disease association with 12 genes, highlighting their importance in DCM and translating into high interpretability in diagnostic testing. The

Journal article

Mazzarotto F, Hawley M, Beltrami M, Beekman L, Boschi B, Girolami F, Roberts A, Lodder E, Cerbai E, Cook S, Ware J, Funke B, Olivotto I, Bezzina C, Barton PJR, Walsh Ret al., 2020, The genetic architecture of left ventricular non-compaction reveals both substantial overlap with other cardiomyopathies and a distinct aetiology in a subset of cases, Publisher: bioRxiv

Rationale: Left ventricular non-compaction (LVNC) is a condition characterised by trabeculations in the myocardial wall and is the subject of considerable conjecture as to whether it represents a distinct pathology or a secondary phenotype associated with other cardiac diseases, particularly cardiomyopathies. Objective: To investigate the genetic architecture of LVNC by identifying genes and variant classes robustly associated with disease and comparing these to other genetically characterised cardiomyopathies. Methods and Results: We performed rare variant association analysis using six different LVNC cohorts comprising 840 cases together with 125,748 gnomAD population controls and compared results to similar analyses with dilated cardiomyopathy (DCM) and hypertrophic cardiomyopathy (HCM) cases. We observed substantial overlap in genes and variant classes enriched in LVNC and DCM/HCM, indicating that in many cases LVNC belongs to a spectrum of more established cardiomyopathies, with non-compaction representing a phenotypic variation in patients with DCM- or HCM-causing variants. In contrast, five variant classes were uniquely enriched in LVNC cases, of which truncating variants in MYH7, ACTN2 and PRDM16 may represent a distinct LVNC aetiology. MYH7 truncating variants are generally considered as non-pathogenic but were detected in 2% of LVNC cases compared to 0.1% of controls, including a cluster of variants around a single splice region. Additionally, structural variants (exon deletions) in RYR2 and missense variants in the transmembrane region of HCN4 were enriched in LVNC cases, confirming prior reports regarding the association of these variant classes with combined LVNC and arrhythmia phenotypes. Conclusions: We demonstrated that genetic association analysis can clarify the relationship between LVNC and established cardiomyopathies, highlighted substantial overlap with DCM/HCM but also identified variant classes associated with distinct LVNC and with joint LVN

Working paper

Horvat C, Johnson R, Lam L, Munro J, Mazzarotto F, Roberts A, Herman D, Parfenov M, Haghighli A, Macdonough B, DePalma S, Keogh A, Macdonald P, Hayward C, Roberts A, Barton PJR, Felkin L, Giannoulatou E, Cook S, Seidman J, Siedman C, Fatkin Det al., 2019, A gene-centric strategy for identifying disease-causing rare variants in dilated cardiomyopathy, Genetics in Medicine, Vol: 21, Pages: 133-143, ISSN: 1098-3600

PurposeWe evaluated strategies for identifying disease-causing variants in genetic testing for dilated cardiomyopathy (DCM).MethodsCardiomyopathy gene panel testing was performed in 532 DCM patients and 527 healthy control subjects. Rare variants in 41 genes were stratified using variant-level and gene-level characteristics.ResultsA majority of DCM cases and controls carried rare protein-altering cardiomyopathy gene variants. Variant-level characteristics alone had limited discriminative value. Differentiation between groups was substantially improved by addition of gene-level information that incorporated ranking of genes based on literature evidence for disease association. The odds of DCM were increased to nearly 9-fold for truncating variants or high-impact missense variants in the subset of 14 genes that had the strongest biological links to DCM (P <0.0001). For some of these genes, DCM-associated variants appeared to be clustered in key protein functional domains. Multiple rare variants were present in many family probands, however, there was generally only one “driver” pathogenic variant that cosegregated with disease.ConclusionRare variants in cardiomyopathy genes can be effectively stratified by combining variant-level and gene-level information. Prioritization of genes based on their a priori likelihood of disease causation is a key factor in identifying clinically actionable variants in cardiac genetic testing.

Journal article

Whiffin N, Roberts A, Minikel E, Zappala Z, Walsh R, ODonnell-Luria AH, Karczewski KJ, Harrison SM, Thomson KL, Sage H, Ing AY, Barton PJR, Cook SA, MacArthur DG, Ware JSet al., 2018, Response to Shah <i>et al</i>: Using high-resolution variant frequencies empowers clinical genome interpretation and enables investigation of genetic architecture

Other

Tayal U, Newsome S, Buchan R, Whiffin N, Halliday B, Lota A, Roberts A, Baksi AJ, Voges I, Midwinter W, Wilk A, Govind R, Walsh R, Daubeney P, Jarman JWE, Baruah R, Frenneaux M, Barton PJ, Pennell D, Ware JS, Prasad SK, Cook SAet al., 2017, Phenotype and clinical outcomes of titin cardiomyopathy, Journal of the American College of Cardiology, Vol: 70, Pages: 2264-2274, ISSN: 0735-1097

Background Improved understanding of dilated cardiomyopathy (DCM) due to titin truncation (TTNtv) may help guide patient stratification.Objectives The purpose of this study was to establish relationships among TTNtv genotype, cardiac phenotype, and outcomes in DCM.Methods In this prospective, observational cohort study, DCM patients underwent clinical evaluation, late gadolinium enhancement cardiovascular magnetic resonance, TTN sequencing, and adjudicated follow-up blinded to genotype for the primary composite endpoint of cardiovascular death, and major arrhythmic and major heart failure events.Results Of 716 subjects recruited (mean age 53.5 ± 14.3 years; 469 men [65.5%]; 577 [80.6%] New York Heart Association function class I/II), 83 (11.6%) had TTNtv. Patients with TTNtv were younger at enrollment (49.0 years vs. 54.1 years; p = 0.002) and had lower indexed left ventricular mass (5.1 g/m2 reduction; padjusted = 0.03) compared with patients without TTNtv. There was no difference in biventricular ejection fraction between TTNtv+/− groups. Overall, 78 of 604 patients (12.9%) met the primary endpoint (median follow-up 3.9 years; interquartile range: 2.0 to 5.8 years), including 9 of 71 patients with TTNtv (12.7%) and 69 of 533 (12.9%) without. There was no difference in the composite primary outcome of cardiovascular death, heart failure, or arrhythmic events, for patients with or without TTNtv (hazard ratio adjusted for primary endpoint: 0.92 [95% confidence interval: 0.45 to 1.87]; p = 0.82).Conclusions In this large, prospective, genotype-phenotype study of ambulatory DCM patients, we show that prognostic factors for all-cause DCM also predict outcome in TTNtv DCM, and that TTNtv DCM does not appear to be associated with worse medium-term prognosis.

Journal article

Fatkin D, Lam L, Herman DS, Benson CC, Felkin LE, Barton PJR, Walsh R, Candan S, Ware JS, Roberts AM, Chung WK, Smoot L, Bornaun H, Keogh AM, Macdonald PS, Hayward CS, Seidman JG, Roberts AE, Cook SA, Seidman CEet al., 2016, Titin truncating mutations: a rare cause of dilated cardiomyopathy in the young, Progress in Pediatric Cardiology, Vol: 40, Pages: 41-45, ISSN: 1058-9813

Truncating mutations in the TTN gene are the most common genetic cause of dilated cardiomyopathy in adults but their role in young patients is unknown. We studied 82 young dilated cardiomyopathy subjects and found that the prevalence of truncating TTN mutations in adolescents was similar to adults, but surprisingly few truncating TTN mutations were identified in affected children, including one confirmed de novo variant. In several cases, truncating TTN mutations in children with dilated cardiomyopathy had evidence of additional clinical or genetic risk factors. These findings have implications for genetic testing and suggest that single truncating TTN mutations are insufficient alone to cause pediatric-onset dilated cardiomyopathy.

Journal article

Roberts AM, Ware JS, Herman DS, Schafer S, Baksi J, Bick AG, Buchan RJ, Walsh R, John S, Wilkinson S, Mazzarotto F, Felkin LE, Gong S, L MacArthur JA, Cunningham F, Flannick J, Gabriel SB, Altshuler DM, Macdonald PS, Heinig M, Keogh AM, Hayward CS, Banner NR, Pennell DJ, O'Regan DP, San TR, de Marvao A, W Dawes TJ, Gulati A, Birks EJ, Yacoub MH, Radke M, Gotthardt M, Wilson JG, O'Donnell CJ, Prasad SK, Barton PJ, Fatkin D, Hubner N, Seidman JG, Seidman CE, Cook SAet al., 2015, Integrated allelic, transcriptional, and phenomic dissection of the cardiac effects of titin truncations in health and disease, Science Translational Medicine, Vol: 7, Pages: 270ra6-270ra6, ISSN: 1946-6234

The recent discovery of heterozygous human mutations that truncate full-length titin (TTN, an abundant structural, sensory, and signaling filament in muscle) as a common cause of end-stage dilated cardiomyopathy (DCM) promises new prospects for improving heart failure management. However, realization of this opportunity has been hindered by the burden of TTN-truncating variants (TTNtv) in the general population and uncertainty about their consequences in health or disease. To elucidate the effects of TTNtv, we coupled TTN gene sequencing with cardiac phenotyping in 5267 individuals across the spectrum of cardiac physiology and integrated these data with RNA and protein analyses of human heart tissues. We report diversity of TTN isoform expression in the heart, define the relative inclusion of TTN exons in different isoforms (using the TTN transcript annotations available at http://cardiodb.org/titin), and demonstrate that these data, coupled with the position of the TTNtv, provide a robust strategy to discriminate pathogenic from benign TTNtv. We show that TTNtv is the most common genetic cause of DCM in ambulant patients in the community, identify clinically important manifestations of TTNtv-positive DCM, and define the penetrance and outcomes of TTNtv in the general population. By integrating genetic, transcriptome, and protein analyses, we provide evidence for a length-dependent mechanism of disease. These data inform diagnostic criteria and management strategies for TTNtv-positive DCM patients and for TTNtv that are identified as incidental findings.

Journal article

Baksi AJ, Roberts AM, Ware JS, Gulati A, Buchan RJ, Walsh R, John S, Wilkinson S, Ali A, Assomull RG, Barton PJ, Prasad SK, Pennell DJ, Cook SAet al., 2014, Titin: a phenotype-genotype descriptive comparison of dilated cardiomyopathy, Publisher: Springer Science and Business Media LLC

Conference paper

Keenan NG, Varkey S, Buchan RJ, Roberts AM, Ware JS, Raphael CE, Gulati A, Pennell DJ, Prasad SK, Cook SAet al., 2014, Genotype positive hypertrophic cardiomyopathy is associated with myocardial perfusion abnormalities, Journal of Cardiovascular Magnetic Resonance, Vol: 16

Journal article

Ware JS, John S, Roberts AM, Buchan R, Gong S, Peters NS, Robinson DO, Lucassen A, Behr ER, Cook SAet al., 2013, Next Generation Diagnostics in Inherited Arrhythmia Syndromes, JOURNAL OF CARDIOVASCULAR TRANSLATIONAL RESEARCH, Vol: 6, Pages: 94-103, ISSN: 1937-5387

Journal article

Barber JCK, Hall V, Maloney VK, Huang S, Roberts AM, Brady AF, Foulds N, Bewes B, Volleth M, Liehr T, Mehnert K, Bateman M, White Het al., 2013, 16p11.2-p12.2 duplication syndrome; a genomic condition differentiated from euchromatic variation of 16p11.2, EUROPEAN JOURNAL OF HUMAN GENETICS, Vol: 21, Pages: 182-189, ISSN: 1018-4813

Journal article

Ware JS, Roberts AM, Cook SA, 2012, Republished review: Next generation sequencing for clinical diagnostics and personalised medicine: implications for the next generation cardiologist, POSTGRADUATE MEDICAL JOURNAL, Vol: 88, Pages: 234-239, ISSN: 0032-5473

Journal article

Ware JS, Roberts AM, Cook SA, 2012, Next generation sequencing for clinical diagnostics and personalised medicine: implications for the next generation cardiologist, HEART, Vol: 98, Pages: 276-281, ISSN: 1355-6037

Journal article

Villard E, Perret C, Gary F, Proust C, Dilanian G, Hengstenberg C, Ruppert V, Arbustini E, Wichter T, Germain M, Dubourg O, Tavazzi L, Aumont M-C, DeGroote P, Fauchier L, Trochu J-N, Gibelin P, Aupetit J-F, Stark K, Erdmann J, Hetzer R, Roberts AM, Barton PJR, Regitz-Zagrosek V, Aslam U, Duboscq-Bidot L, Meyborg M, Maisch B, Madeira H, Waldenstrom A, Galve E, Cleland JG, Dorent R, Roizes G, Zeller T, Blankenberg S, Goodall AH, Cook S, Tregouet DA, Tiret L, Isnard R, Komajda M, Charron P, Cambien Fet al., 2011, A genome-wide association study identifies two loci associated with heart failure due to dilated cardiomyopathy, EUROPEAN HEART JOURNAL, Vol: 32, Pages: 1065-1076, ISSN: 0195-668X

Journal article

Milunsky JM, Maher TM, Zhao G, Wang Z, Mulliken JB, Chitayat D, Clemens M, Stalker HJ, Bauer M, Burch M, Chenier S, Cunningham ML, Drack AV, Janssens S, Karlea A, Klatt R, Kini U, Klein O, Lachmeijer AM, Megarbane A, Mendelsohn NJ, Meschino WS, Mortier GR, Parkash S, Ray CR, Roberts A, Roberts A, Reardon W, Schnur RE, Smith R, Splitt M, Tezcan K, Whiteford ML, Wong DA, Zori R, Lin AEet al., 2011, Genotype-Phenotype Analysis of the Branchio-Oculo-Facial Syndrome, AMERICAN JOURNAL OF MEDICAL GENETICS PART A, Vol: 155A, Pages: 22-32, ISSN: 1552-4825

Journal article

Donaghue C, Roberts A, Mann K, Ogilvie CMet al., 2003, Development and targeted application of a rapid QF-PCR test for sex chromosome imbalance, PRENATAL DIAGNOSIS, Vol: 23, Pages: 201-210, ISSN: 0197-3851

Journal article

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