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Tang X, Yang T, Yu D, Xiong H, Zhang S. Current insights and future perspectives of ultraviolet radiation (UV) exposure: Friends and foes to the skin and beyond the skin. ENVIRONMENT INTERNATIONAL 2024; 185:108535. [PMID: 38428192 DOI: 10.1016/j.envint.2024.108535] [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: 11/08/2023] [Revised: 01/25/2024] [Accepted: 02/25/2024] [Indexed: 03/03/2024]
Abstract
Ultraviolet (UV) radiation is ubiquitous in the environment, which has been classified as an established human carcinogen. As the largest and outermost organ of the body, direct exposure of skin to sunlight or UV radiation can result in sunburn, inflammation, photo-immunosuppression, photoaging and even skin cancers. To date, there are tactics to protect the skin by preventing UV radiation and reducing the amount of UV radiation to the skin. Nevertheless, deciphering the essential regulatory mechanisms may pave the way for therapeutic interventions against UV-induced skin disorders. Additionally, UV light is considered beneficial for specific skin-related conditions in medical UV therapy. Recent evidence indicates that the biological effects of UV exposure extend beyond the skin and include the treatment of inflammatory diseases, solid tumors and certain abnormal behaviors. This review mainly focuses on the effects of UV on the skin. Moreover, novel findings of the biological effects of UV in other organs and systems are also summarized. Nevertheless, the mechanisms through which UV affects the human organism remain to be fully elucidated to achieve a more comprehensive understanding of its biological effects.
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Affiliation(s)
- Xiaoyou Tang
- Medical College of Tibet University, Lasa 850000, China; Laboratory of Radiation Medicine, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Tingyi Yang
- Laboratory of Radiation Medicine, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Daojiang Yu
- Laboratory of Radiation Medicine, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China; The Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital, Chengdu 610051, China
| | - Hai Xiong
- Medical College of Tibet University, Lasa 850000, China; West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China.
| | - Shuyu Zhang
- Medical College of Tibet University, Lasa 850000, China; Laboratory of Radiation Medicine, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China; The Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital, Chengdu 610051, China; NHC Key Laboratory of Nuclear Technology Medical Transformation (Mianyang Central Hospital), Mianyang 621099, China.
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2
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Schenkel LC, Aref-Eshghi E, Rooney K, Kerkhof J, Levy MA, McConkey H, Rogers RC, Phelan K, Sarasua SM, Jain L, Pauly R, Boccuto L, DuPont B, Cappuccio G, Brunetti-Pierri N, Schwartz CE, Sadikovic B. DNA methylation epi-signature is associated with two molecularly and phenotypically distinct clinical subtypes of Phelan-McDermid syndrome. Clin Epigenetics 2021; 13:2. [PMID: 33407854 PMCID: PMC7789817 DOI: 10.1186/s13148-020-00990-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 12/09/2020] [Indexed: 12/31/2022] Open
Abstract
Background Phelan-McDermid syndrome is characterized by a range of neurodevelopmental phenotypes with incomplete penetrance and variable expressivity. It is caused by a variable size and breakpoint microdeletions in the distal long arm of chromosome 22, referred to as 22q13.3 deletion syndrome, including the SHANK3 gene. Genetic defects in a growing number of neurodevelopmental genes have been shown to cause genome-wide disruptions in epigenomic profiles referred to as epi-signatures in affected individuals. Results In this study we assessed genome-wide DNA methylation profiles in a cohort of 22 individuals with Phelan-McDermid syndrome, including 11 individuals with large (2 to 5.8 Mb) 22q13.3 deletions, 10 with small deletions (< 1 Mb) or intragenic variants in SHANK3 and one mosaic case. We describe a novel genome-wide DNA methylation epi-signature in a subset of individuals with Phelan-McDermid syndrome. Conclusion We identified the critical region including the BRD1 gene as responsible for the Phelan-McDermid syndrome epi-signature. Metabolomic profiles of individuals with the DNA methylation epi-signature showed significantly different metabolomic profiles indicating evidence of two molecularly and phenotypically distinct clinical subtypes of Phelan-McDermid syndrome.
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Affiliation(s)
- L C Schenkel
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON, N6A5W9, Canada.,Department of Pathology and Laboratory Medicine, Western University, London, ON, N6A3K7, Canada
| | - E Aref-Eshghi
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON, N6A5W9, Canada
| | - K Rooney
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON, N6A5W9, Canada
| | - J Kerkhof
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON, N6A5W9, Canada
| | - M A Levy
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON, N6A5W9, Canada
| | - H McConkey
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON, N6A5W9, Canada
| | - R C Rogers
- Greenville Office, Greenwood Genetic Center, Greenville, SC, 29605, USA
| | - K Phelan
- Genetics Laboratory, Florida Cancer Specialists and Research Institute, Fort Myers, FL, 33816, USA
| | | | - L Jain
- Greenwood Genetic Center, Greenwood, SC, 29646, USA.,Clemson University, Clemson, SC, 29634, USA
| | - R Pauly
- Greenwood Genetic Center, Greenwood, SC, 29646, USA
| | - L Boccuto
- Greenwood Genetic Center, Greenwood, SC, 29646, USA.,Clemson University, Clemson, SC, 29634, USA
| | - B DuPont
- Greenwood Genetic Center, Greenwood, SC, 29646, USA
| | - G Cappuccio
- Department of Translational Medicine, University Federico II, 80131, Naples, NA, Italy.,Telethon Institute of Genetics and Medicine, Pozzuoli, NA, Italy
| | - N Brunetti-Pierri
- Department of Translational Medicine, University Federico II, 80131, Naples, NA, Italy.,Telethon Institute of Genetics and Medicine, Pozzuoli, NA, Italy
| | - C E Schwartz
- Greenwood Genetic Center, Greenwood, SC, 29646, USA.
| | - B Sadikovic
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON, N6A5W9, Canada. .,Department of Pathology and Laboratory Medicine, Western University, London, ON, N6A3K7, Canada.
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Haghshenas S, Bhai P, Aref-Eshghi E, Sadikovic B. Diagnostic Utility of Genome-Wide DNA Methylation Analysis in Mendelian Neurodevelopmental Disorders. Int J Mol Sci 2020; 21:ijms21239303. [PMID: 33291301 PMCID: PMC7730976 DOI: 10.3390/ijms21239303] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 12/03/2020] [Accepted: 12/04/2020] [Indexed: 12/14/2022] Open
Abstract
Mendelian neurodevelopmental disorders customarily present with complex and overlapping symptoms, complicating the clinical diagnosis. Individuals with a growing number of the so-called rare disorders exhibit unique, disorder-specific DNA methylation patterns, consequent to the underlying gene defects. Besides providing insights to the pathophysiology and molecular biology of these disorders, we can use these epigenetic patterns as functional biomarkers for the screening and diagnosis of these conditions. This review summarizes our current understanding of DNA methylation episignatures in rare disorders and describes the underlying technology and analytical approaches. We discuss the computational parameters, including statistical and machine learning methods, used for the screening and classification of genetic variants of uncertain clinical significance. Describing the rationale and principles applied to the specific computational models that are used to develop and adapt the DNA methylation episignatures for the diagnosis of rare disorders, we highlight the opportunities and challenges in this emerging branch of diagnostic medicine.
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Affiliation(s)
- Sadegheh Haghshenas
- Department of Pathology and Laboratory Medicine, Western University, London, ON N6A 3K7, Canada;
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON N6A 5W9, Canada;
| | - Pratibha Bhai
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON N6A 5W9, Canada;
| | - Erfan Aref-Eshghi
- Division of Genomic Diagnostics, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA;
| | - Bekim Sadikovic
- Department of Pathology and Laboratory Medicine, Western University, London, ON N6A 3K7, Canada;
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON N6A 5W9, Canada;
- Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada
- Correspondence:
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Gardea-Resendez M, Kucuker MU, Blacker CJ, Ho AMC, Croarkin PE, Frye MA, Veldic M. Dissecting the Epigenetic Changes Induced by Non-Antipsychotic Mood Stabilizers on Schizophrenia and Affective Disorders: A Systematic Review. Front Pharmacol 2020; 11:467. [PMID: 32390836 PMCID: PMC7189731 DOI: 10.3389/fphar.2020.00467] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 03/25/2020] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Epimutations secondary to gene-environment interactions have a key role in the pathophysiology of major psychiatric disorders. In vivo and in vitro evidence suggest that mood stabilizers can potentially reverse epigenetic deregulations found in patients with schizophrenia or mood disorders through mechanisms that are not yet fully understood. However, their activity on epigenetic processes has made them a research target for therapeutic approaches. METHODS We conducted a comprehensive literature search of PubMed and EMBASE for studies investigating the specific epigenetic changes induced by non-antipsychotic mood stabilizers (valproate, lithium, lamotrigine, and carbamazepine) in animal models, human cell lines, or patients with schizophrenia, bipolar disorder, or major depressive disorder. Each paper was reviewed for the nature of research, the species and tissue examined, sample size, mood stabilizer, targeted gene, epigenetic changes found, and associated psychiatric disorder. Every article was appraised for quality using a modified published process and those who met a quality score of moderate or high were included. RESULTS A total of 2,429 records were identified; 1,956 records remained after duplicates were removed and were screened via title, abstract and keywords; 129 records were selected for full-text screening and a remaining of 38 articles were included in the qualitative synthesis. Valproate and lithium were found to induce broader epigenetic changes through different mechanisms, mainly DNA demethylation and histones acetylation. There was less literature and hence smaller effects attributable to lamotrigine and carbamazepine could be associated overall with the small number of studies on these agents. Findings were congruent across sample types. CONCLUSIONS An advanced understanding of the specific epigenetic changes induced by classic mood stabilizers in patients with major psychiatric disorders will facilitate personalized interventions. Further related drug discovery should target the induction of selective chromatin remodeling and gene-specific expression effects.
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Affiliation(s)
| | - Mehmet Utku Kucuker
- Department of Psychiatry and Psychology, Mayo Clinic Depression Center, Mayo Clinic, Rochester, MN, United States
| | - Caren J. Blacker
- Department of Psychiatry and Psychology, Mayo Clinic Depression Center, Mayo Clinic, Rochester, MN, United States
| | - Ada M.-C. Ho
- Department of Psychiatry and Psychology, Mayo Clinic Depression Center, Mayo Clinic, Rochester, MN, United States
| | - Paul E. Croarkin
- Department of Psychiatry and Psychology, Mayo Clinic Depression Center, Mayo Clinic, Rochester, MN, United States
| | - Mark A. Frye
- Department of Psychiatry and Psychology, Mayo Clinic Depression Center, Mayo Clinic, Rochester, MN, United States
| | - Marin Veldic
- Department of Psychiatry and Psychology, Mayo Clinic Depression Center, Mayo Clinic, Rochester, MN, United States
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Dobosz A, Grabowska A, Bik-Multanowski M. Hypermethylation of NRG1 gene correlates with the presence of heart defects in Down's syndrome. J Genet 2019; 98:110. [PMID: 31819021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Congenital heart defects can decrease the quality of life and life expectancy in affected individuals, and constitute a major burden for the health care systems. Endocardial cushion defects are among the most prevalent heart malformations in the general population, and are extremely frequent (approximately a 100-fold higher prevalence) in children with Down syndrome. Several genes have been proposed to be involved in the pathogenesis of these malformations, but no common pathogenic DNA variants have been identified so far. Here, we focussed on constitutive, epigenetic alterations of function of selected genes, potentially important for endocardial cushion development. We used two types of microarrays, dedicated for assessment of gene promoter methylation and whole genome expression. First, we compared the gene promoter methylation profiles between two groups of Down syndrome patients, with and without heart defects of endocardial cushion-type. Then, to determine the functional role of the detected methylation alterations, we assessed the expression of the genes of interest. We detected significant hypermethylation of the NRG1 gene promoter region in children with heart defects. NRG1 is a key factor in maturation of endocardial cushions. Supplementary gene expression assessment revealed significantly decreased activity of the ERBB3, SHC3 and SHC4 genes in children with heart defects. The above three genes are closely related to the NRG1 gene and are crucial elements of the NRG/ErbB pathway. The results of this pilot study show that hypermethylation of the NRG1 gene promoter can reflect the functional genome alteration contributing to development of congenital heart defects of endocardial cushion-type.
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Affiliation(s)
- Artur Dobosz
- Department of Medical Genetics, Faculty of Medicine, Jagiellonian University Medical College, ul. Wielicka 265, 30-663 Krakow, Poland.
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Schenkel LC, Aref-Eshghi E, Skinner C, Ainsworth P, Lin H, Paré G, Rodenhiser DI, Schwartz C, Sadikovic B. Peripheral blood epi-signature of Claes-Jensen syndrome enables sensitive and specific identification of patients and healthy carriers with pathogenic mutations in KDM5C. Clin Epigenetics 2018; 10:21. [PMID: 29456765 PMCID: PMC5813334 DOI: 10.1186/s13148-018-0453-8] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Accepted: 02/02/2018] [Indexed: 12/02/2022] Open
Abstract
Background Claes-Jensen syndrome is an X-linked inherited intellectual disability caused by mutations in the KDM5C gene. Kdm5c is a histone lysine demethylase involved in histone modifications and chromatin remodeling. Males with hemizygous mutations in KDM5C present with intellectual disability and facial dysmorphism, while most heterozygous female carriers are asymptomatic. We hypothesized that loss of Kdm5c function may influence other components of the epigenomic machinery including DNA methylation in affected patients. Results Genome-wide DNA methylation analysis of 7 male patients affected with Claes-Jensen syndrome and 56 age- and sex-matched controls identified a specific DNA methylation defect (epi-signature) in the peripheral blood of these patients, including 1769 individual CpGs and 9 genomic regions. Six healthy female carriers showed less pronounced but distinctive changes in the same regions enabling their differentiation from both patients and controls. Highly specific computational model using the most significant methylation changes demonstrated 100% accuracy in differentiating patients, carriers, and controls in the training cohort, which was confirmed on a separate cohort of patients and carriers. The 100% specificity of this unique epi-signature was further confirmed on additional 500 unaffected controls and 600 patients with intellectual disability and developmental delay, including other patient cohorts with previously described epi-signatures. Conclusion Peripheral blood epi-signature in Claes-Jensen syndrome can be used for molecular diagnosis and carrier identification and assist with interpretation of genetic variants of unknown clinical significance in the KDM5C gene. Electronic supplementary material The online version of this article (10.1186/s13148-018-0453-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Laila C Schenkel
- 1Department of Pathology and Laboratory Medicine, Western University, London, Ontario Canada.,2Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, Ontario Canada
| | - Erfan Aref-Eshghi
- 1Department of Pathology and Laboratory Medicine, Western University, London, Ontario Canada.,2Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, Ontario Canada
| | | | - Peter Ainsworth
- 1Department of Pathology and Laboratory Medicine, Western University, London, Ontario Canada.,2Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, Ontario Canada
| | - Hanxin Lin
- 1Department of Pathology and Laboratory Medicine, Western University, London, Ontario Canada.,2Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, Ontario Canada
| | - Guillaume Paré
- 4Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario Canada
| | - David I Rodenhiser
- 5Departments of Pediatrics, Biochemistry and Oncology, Western University, London, Ontario Canada
| | | | - Bekim Sadikovic
- 1Department of Pathology and Laboratory Medicine, Western University, London, Ontario Canada.,2Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, Ontario Canada.,6Department of Pathology and Laboratory Medicine, Victoria Hospital, London Health Sciences Centre, 800 Commissioner's Road E, B10-104, London, Ontario N6A 5W9 Canada
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9
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Aref-Eshghi E, Schenkel LC, Lin H, Skinner C, Ainsworth P, Paré G, Rodenhiser D, Schwartz C, Sadikovic B. The defining DNA methylation signature of Kabuki syndrome enables functional assessment of genetic variants of unknown clinical significance. Epigenetics 2017; 12:923-933. [PMID: 28933623 DOI: 10.1080/15592294.2017.1381807] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Kabuki syndrome (KS) is caused by mutations in KMT2D, which is a histone methyltransferase involved in methylation of H3K4, a histone marker associated with DNA methylation. Analysis of >450,000 CpGs in 24 KS patients with pathogenic mutations in KMT2D and 216 controls, identified 24 genomic regions, along with 1,504 CpG sites with significant DNA methylation changes including a number of Hox genes and the MYO1F gene. Using the most differentiating and significant probes and regions we developed a "methylation variant pathogenicity (MVP) score," which enables 100% sensitive and specific identification of individuals with KS, which was confirmed using multiple public and internal patient DNA methylation databases. We also demonstrated the ability of the MVP score to accurately reclassify variants of unknown significance in subjects with apparent clinical features of KS, enabling its potential use in molecular diagnostics. These findings provide novel insights into the molecular etiology of KS and illustrate that DNA methylation patterns can be interpreted as 'epigenetic echoes' in certain clinical disorders.
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Affiliation(s)
- Erfan Aref-Eshghi
- a Department of Pathology and Laboratory Medicine , Western University , London , ON , Canada
| | - Laila C Schenkel
- a Department of Pathology and Laboratory Medicine , Western University , London , ON , Canada
| | - Hanxin Lin
- b Molecular Genetics Laboratory, Molecular Diagnostics Division , London Health Sciences Centre , London , ON , Canada . Children's Health Research Institute , London , ON , Canada
| | | | - Peter Ainsworth
- b Molecular Genetics Laboratory, Molecular Diagnostics Division , London Health Sciences Centre , London , ON , Canada . Children's Health Research Institute , London , ON , Canada
| | - Guillaume Paré
- d Department of Pathology and Molecular Medicine , McMaster University , Hamilton , ON , Canada
| | - David Rodenhiser
- e Departments of Paediatrics, Biochemistry and Oncology , Western University , London , ON , Canada
| | | | - Bekim Sadikovic
- a Department of Pathology and Laboratory Medicine , Western University , London , ON , Canada.,b Molecular Genetics Laboratory, Molecular Diagnostics Division , London Health Sciences Centre , London , ON , Canada . Children's Health Research Institute , London , ON , Canada
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Aref-Eshghi E, Schenkel LC, Lin H, Skinner C, Ainsworth P, Paré G, Siu V, Rodenhiser D, Schwartz C, Sadikovic B. Clinical Validation of a Genome-Wide DNA Methylation Assay for Molecular Diagnosis of Imprinting Disorders. J Mol Diagn 2017; 19:848-856. [PMID: 28807811 DOI: 10.1016/j.jmoldx.2017.07.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 06/12/2017] [Accepted: 07/12/2017] [Indexed: 01/24/2023] Open
Abstract
Genomic imprinting involves a DNA methylation-dependent and parent-of-origin-specific regulation of gene expression. Clinical assays for imprinting disorders are genomic locus, disorder, and molecular defect specific. We aimed to clinically validate a genome-wide approach for simultaneous testing of common imprinting disorders in a single assay. Using genome-wide DNA methylation arrays, epigenetic profiles from peripheral blood of patients with Angelman, Prader-Willi, Beckwith-Wiedemann, or Silver-Russell syndromes were compared to a reference cohort of 361 unaffected individuals. The analysis was of developmental delay and intellectual disabilities. This approach has allowed 100% sensitivity and specificity in detecting imprinting defects in all 28 patients and enabled identification of defects beyond the classically tested imprinted loci. Analysis of the cohort of patients with developmental delay and intellectual disabilities identified two patients with Prader-Willi syndrome, one with Beckwith-Wiedemann syndrome, and several other patients with DNA methylation defects in novel putative imprinting loci. These findings demonstrate clinical validation of a sensitive and specific genome-wide DNA methylation array-based approach for molecular testing of imprinting disorders to allow simultaneous assessment of genome-wide epigenetic defects in a single analytical procedure, enabling replacement of multiple locus-specific molecular tests while allowing discovery of novel clinical epigenomic associations and differential diagnosis of other epigenomic disorders.
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Affiliation(s)
- Erfan Aref-Eshghi
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
| | - Laila C Schenkel
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
| | - Hanxin Lin
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada; Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, Ontario, Canada
| | - Cindy Skinner
- Greenwood Genetics Center, Greenwood, South Carolina
| | - Peter Ainsworth
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, Ontario, Canada
| | - Guillaume Paré
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Victoria Siu
- Department of Pediatrics and Biochemistry, Western University, London, Ontario, Canada
| | - David Rodenhiser
- Department of Pediatrics and Biochemistry, Western University, London, Ontario, Canada; Department of Oncology, Western University, London, Ontario, Canada
| | | | - Bekim Sadikovic
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada; Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, Ontario, Canada.
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Affiliation(s)
- Elizabeth McCready
- Hamilton Regional Laboratory Medicine Program, Hamilton Health Sciences and St. Joseph's Healthcare, Hamilton, Ontario, Canada; Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
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