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Treves B, Sonnini E, La Russa R, Del Duca F, Ghamlouch A, De Matteis A, Trignano C, Marchal JA, Carrillo E, Napoletano G, Maiese A. Can Hemorrhagic Stroke Genetics Help Forensic Diagnosis in Pediatric Age (<5 Years Old)? Genes (Basel) 2024; 15:618. [PMID: 38790247 PMCID: PMC11120992 DOI: 10.3390/genes15050618] [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: 03/15/2024] [Revised: 05/06/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
When stroke occurs in pediatric age, it might be mistakenly interpreted as non-accidental head injury (NAHI). In these situations, a multidisciplinary approach is fundamental, including a thorough personal and familial history, along with accurate physical examination and additional investigations. Especially when the clinical picture is uncertain, it is important to remember that certain genetic conditions can cause bleeding inside the brain, which may resemble NAHI. Pediatric strokes occurring around the time of birth can also be an initial sign of undiagnosed genetic disorders. Hence, it is crucial to conduct a thorough evaluation, including genetic testing, when there is a suspicion of NAHI but the symptoms are unclear. In these cases, a characteristic set of symptoms is often observed. This study aims to summarize some of the genetic causes of hemorrhagic stroke in the pediatric population, thus mimicking non-accidental head injury, considering elements that can be useful in characterizing pathologies. A systematic review of genetic disorders that may cause ICH in children was carried out according to the Preferred Reporting Item for Systematic Review (PRISMA) standards. We selected 10 articles regarding the main genetic diseases in stroke; we additionally selected 11 papers concerning patients with pediatric stroke and genetic diseases, or studies outlining the characteristics of stroke in these patients. The disorders we identified were Moyamoya disease (MMD), COL4A1, COL4A2 pathogenic variant, Ehlers-Danlos syndrome (E-D), neurofibromatosis type 1 (Nf1), sickle cell disease (SCD), cerebral cavernous malformations (CCM), hereditary hemorrhagic telangiectasia (HHT) and Marfan syndrome. In conclusion, this paper provides a comprehensive overview of the genetic disorders that could be tested in children when there is a suspicion of NAHI but an unclear picture.
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Affiliation(s)
- Biancamaria Treves
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, 00161 Rome, Italy; (B.T.); (F.D.D.); (A.G.); (A.D.M.); (G.N.)
| | - Elena Sonnini
- Dipartimento Scienze della Vita e Sanità Pubblica, Medicina Genomica, Università Cattolica del Sacro Cuore, 00168 Rome, Italy;
| | - Raffaele La Russa
- Department of Clinical Medicine, Public Health, Life Sciences, and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Fabio Del Duca
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, 00161 Rome, Italy; (B.T.); (F.D.D.); (A.G.); (A.D.M.); (G.N.)
| | - Alessandro Ghamlouch
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, 00161 Rome, Italy; (B.T.); (F.D.D.); (A.G.); (A.D.M.); (G.N.)
| | - Alessandra De Matteis
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, 00161 Rome, Italy; (B.T.); (F.D.D.); (A.G.); (A.D.M.); (G.N.)
| | - Claudia Trignano
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43c, 07100 Sassari, Italy;
| | - Juan Antonio Marchal
- Centre for Biomedical Research (CIBM), Biopathology and Regenerative Medicine Institute (IBIMER), University of Granada, 18016 Granada, Spain; (J.A.M.); (E.C.)
- Instituto de Investigación Biosanitaria ibs. GRANADA, University of Granada, 18071 Granada, Spain
- Excellence Research Unit “Modeling Nature” (MNat), University of Granada, 18016 Granada, Spain
- Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, 18016 Granada, Spain
| | - Esmeralda Carrillo
- Centre for Biomedical Research (CIBM), Biopathology and Regenerative Medicine Institute (IBIMER), University of Granada, 18016 Granada, Spain; (J.A.M.); (E.C.)
- Instituto de Investigación Biosanitaria ibs. GRANADA, University of Granada, 18071 Granada, Spain
- Excellence Research Unit “Modeling Nature” (MNat), University of Granada, 18016 Granada, Spain
- Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, 18016 Granada, Spain
| | - Gabriele Napoletano
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, 00161 Rome, Italy; (B.T.); (F.D.D.); (A.G.); (A.D.M.); (G.N.)
| | - Aniello Maiese
- Department of Surgical Pathology, Medical, Molecular and Critical Area, Institute of Legal Medicine, University of Pisa, 56126 Pisa, Italy
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Ilves N, Pajusalu S, Kahre T, Laugesaar R, Šamarina U, Loorits D, Kool P, Ilves P. High Prevalence of Collagenopathies in Preterm- and Term-Born Children With Periventricular Venous Hemorrhagic Infarction. J Child Neurol 2023; 38:373-388. [PMID: 37427422 PMCID: PMC10467006 DOI: 10.1177/08830738231186233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 05/12/2023] [Accepted: 06/16/2023] [Indexed: 07/11/2023]
Abstract
INTRODUCTION The aim of this study was to evaluate genetic risk factors in term-born children with antenatal periventricular hemorrhagic infarction (PVHI), presumed antenatal periventricular venous infarction and periventricular hemorrhagic infarction in preterm neonates. METHODS Genetic analysis and magnetic resonance imaging were performed in 85 children: term-born children (≥36 gestational weeks) with antenatal periventricular hemorrhagic infarction (n = 6) or presumed antenatal (n = 40) periventricular venous infarction and preterm children (<36 gestational weeks) with periventricular hemorrhagic infarction (n = 39). Genetic testing was performed using exome or large gene panel (n = 6700 genes) sequencing. RESULTS Pathogenic variants associated with stroke were found in 11 of 85 (12.9%) children with periventricular hemorrhagic infarction/periventricular venous infarction. Among the pathogenic variants, COL4A1/A2 and COL5A1 variants were found in 7 of 11 (63%) children. Additionally, 2 children had pathogenic variants associated with coagulopathy, whereas 2 other children had other variants associated with stroke. Children with collagenopathies had significantly more often bilateral multifocal stroke with severe white matter loss and diffuse hyperintensities in the white matter, moderate to severe hydrocephalus, moderate to severe decrease in size of the ipsilesional basal ganglia and thalamus compared to children with periventricular hemorrhagic infarction/periventricular venous infarction without genetic changes in the studied genes (P ≤ .01). Severe motor deficit and epilepsy developed more often in children with collagenopathies compared to children without genetic variants (P = .0013, odds ratio [OR] = 233, 95% confidence interval [CI]: 2.8-531; and P = .025, OR = 7.3, 95% CI: 1.3-41, respectively). CONCLUSIONS Children with periventricular hemorrhagic infarction/periventricular venous infarction have high prevalence of pathogenic variants in collagene genes (COL4A1/A2 and COL5A1). Genetic testing should be considered for all children with periventricular hemorrhagic infarction/periventricular venous infarction; COL4A1/A2 and COL5A1/A2 genes should be investigated first.
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Affiliation(s)
- Norman Ilves
- Radiology Clinic of Tartu University Hospital; Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - Sander Pajusalu
- Department of Laboratory Genetics, Genetics and Personalized Medicine Clinic, Tartu University Hospital, Tartu, Estonia
- Department of Genetics, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - Tiina Kahre
- Department of Laboratory Genetics, Genetics and Personalized Medicine Clinic, Tartu University Hospital, Tartu, Estonia
- Department of Genetics, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - Rael Laugesaar
- Children's Clinic of Tartu University Hospital; Department of Pediatrics, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - Ustina Šamarina
- Genetics and Personalized Medicine Clinic of Tartu University Hospital, Tartu, Estonia
| | - Dagmar Loorits
- Department of Radiology, Radiology Clinic of Tartu University Hospital, Tartu, Estonia
| | - Pille Kool
- Department of Radiology, Radiology Clinic of Tartu University Hospital, Tartu, Estonia
| | - Pilvi Ilves
- Radiology Clinic of Tartu University Hospital; Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
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Chen X, Chen Y, Yan K, Chen H, Qin Q, Yang L, Liu B, Cheng G, Cao Y, Wu B, Dong X, Qiao Z, Zhou W. Genetic background of idiopathic neurodevelopmental delay patients with significant brain deviation volume. Chin Med J (Engl) 2023; 136:807-814. [PMID: 36806579 PMCID: PMC10150856 DOI: 10.1097/cm9.0000000000002297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Indexed: 02/22/2023] Open
Abstract
BACKGROUND Significant brain volume deviation is an essential phenotype in children with neurodevelopmental delay (NDD), but its genetic basis has not been fully characterized. This study attempted to analyze the genetic factors associated with significant whole-brain deviation volume (WBDV). METHODS We established a reference curve based on 4222 subjects ranging in age from the first postnatal day to 18 years. We recruited only NDD patients without acquired etiologies or positive genetic results. Cranial magnetic resonance imaging (MRI) and clinical exome sequencing (2742 genes) data were acquired. A genetic burden test was performed, and the results were compared between patients with and without significant WBDV. Literature review analyses and BrainSpan analysis based on the human brain developmental transcriptome were performed to detect the potential role of genetic risk factors in human brain development. RESULTS We recruited a total of 253 NDD patients. Among them, 26 had significantly decreased WBDV (<-2 standard deviations [SDs]), and 14 had significantly increased WBDV (>+2 SDs). NDD patients with significant WBDV had higher rates of motor development delay (49.8% [106/213] vs . 75.0% [30/40], P = 0.003) than patients without significant WBDV. Genetic burden analyses found 30 genes with an increased allele frequency of rare variants in patients with significant WBDV. Analyses of the literature further demonstrated that these genes were not randomly identified: burden genes were more related to the brain development than background genes ( P = 1.656e -9 ). In seven human brain regions related to motor development, we observed burden genes had higher expression before 37-week gestational age than postnatal stages. Functional analyses found that burden genes were enriched in embryonic brain development, with positive regulation of synaptic growth at the neuromuscular junction, positive regulation of deoxyribonucleic acid templated transcription, and response to hormone, and these genes were shown to be expressed in neural progenitors. Based on single cell sequencing analyses, we found TUBB2B gene had elevated expression levels in neural progenitor cells, interneuron, and excitatory neuron and SOX15 had high expression in interneuron and excitatory neuron. CONCLUSION Idiopathic NDD patients with significant brain volume changes detected by MRI had an increased prevalence of motor development delay, which could be explained by the genetic differences characterized herein.
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Affiliation(s)
- Xiang Chen
- Department of Neonatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Yuxi Chen
- Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Kai Yan
- Department of Neonatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Huiyao Chen
- Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Qian Qin
- Shanghai Key Laboratory of Birth Defects, The Translational Medicine Center of Children Development and Disease of Fudan University, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Lin Yang
- Department of Pediatric Endocrinology and Inherited Metabolic Diseases, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Bo Liu
- Shanghai Key Laboratory of Birth Defects, The Translational Medicine Center of Children Development and Disease of Fudan University, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Guoqiang Cheng
- Department of Neonatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Yun Cao
- Department of Neonatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Bingbing Wu
- Shanghai Key Laboratory of Birth Defects, The Translational Medicine Center of Children Development and Disease of Fudan University, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Xinran Dong
- Shanghai Key Laboratory of Birth Defects, The Translational Medicine Center of Children Development and Disease of Fudan University, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Zhongwei Qiao
- Department of Radiology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Wenhao Zhou
- Department of Neonatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
- Shanghai Key Laboratory of Birth Defects, The Translational Medicine Center of Children Development and Disease of Fudan University, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai 200433, China
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Straka B, Vlčková M, Libá Z, Heřmanovská B, Kynčl M, Dorňáková J, Táborský J, Kršek P, Musilová A, Janota J, Balaščaková M. COL4A1 mutation-related disorder presenting as fetal intracranial bleeding, hydrocephalus, and polymicrogyria. Epilepsia Open 2023; 8:211-216. [PMID: 36504316 PMCID: PMC9977753 DOI: 10.1002/epi4.12681] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 12/02/2022] [Indexed: 12/14/2022] Open
Abstract
Fetal intracranial hemorrhage represents a rare event with an estimated prevalence of 1:10 000 pregnancies. We report a patient diagnosed prenatally with intracranial hemorrhage and ventriculomegaly carrying a novel, previously unreported, likely pathogenic variant in COL4A1. At the gestational age of 27 weeks, dilation of lateral ventricles was detected during a routine prenatal ultrasound scan, confirmed by prenatal MRI at 30 + 3 weeks of gestation. Prenatal examinations included amniocentesis with conventional G-band karyotyping and arrayCGH, and maternal testing for TORCH and parvovirus B19 infections. Virtual gene panel based on whole-exome sequencing data was performed postnatally. At the age of 2.5 months, the patient manifested epileptic seizures that remain difficult to control. Postnatal MRI showed partial thalamic fusion and polymicrogyria, in addition to severe enlargement of lateral ventricles, multiple deposits of hemosiderin in cerebral and cerebellar hemispheres, and thin optic nerve and chiasma. Virtual gene panel based on whole-exome sequencing data led to a detection of a de novo previously unreported in-frame deletion NM_001845.5:c.4688_4711del in COL4A1 located in the highly conserved NC1 domain initiating collagen helix assembly. The presented case lies one a more severe end of the COL4A1 mutation-related disease spectrum, manifesting as fetal intracranial bleeding, malformation of cortical development, drug-resistant epilepsy, and developmental delay.
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Affiliation(s)
- Barbora Straka
- Department of Paediatric Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Full Member of the ERN EpiCARE, Prague, Czech Republic
| | - Markéta Vlčková
- Department of Biology and Medical Genetics, Second Faculty of Medicine, Charles University and Motol University Hospital, Full Member of the ERN EpiCARE, Prague, Czech Republic
| | - Zuzana Libá
- Department of Paediatric Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Full Member of the ERN EpiCARE, Prague, Czech Republic
| | - Barbora Heřmanovská
- Department of Paediatric Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Full Member of the ERN EpiCARE, Prague, Czech Republic
| | - Martin Kynčl
- Department of Radiology, Second Faculty of Medicine, Charles University and Motol University Hospital, Full Member of the ERN EpiCARE, Prague, Czech Republic
| | - Jana Dorňáková
- Department of Obstetrics and Gynaecology, Neonatal Unit, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Jakub Táborský
- Department of Neurosurgery, Second Faculty of Medicine, Charles University and Motol University Hospital, Full Member of the ERN EpiCARE, Prague, Czech Republic
| | - Pavel Kršek
- Department of Paediatric Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Full Member of the ERN EpiCARE, Prague, Czech Republic
| | - Alena Musilová
- Department of Paediatric Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Full Member of the ERN EpiCARE, Prague, Czech Republic
| | - Jan Janota
- Department of Obstetrics and Gynaecology, Neonatal Unit, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic.,Department of Pathological Physiology, First Faculty of Medicine, Charles University Prague, Czech Republic.,Department of Neonatology, Thomayer University Hospital, Prague, Czech Republic
| | - Miroslava Balaščaková
- Department of Biology and Medical Genetics, Second Faculty of Medicine, Charles University and Motol University Hospital, Full Member of the ERN EpiCARE, Prague, Czech Republic
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Mao M, Labelle-Dumais C, Tufa SF, Keene DR, Gould DB. Elevated TGFβ signaling contributes to ocular anterior segment dysgenesis in Col4a1 mutant mice. Matrix Biol 2022; 110:151-173. [PMID: 35525525 PMCID: PMC10410753 DOI: 10.1016/j.matbio.2022.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 04/08/2022] [Accepted: 05/02/2022] [Indexed: 10/18/2022]
Abstract
Ocular anterior segment dysgenesis (ASD) refers to a collection of developmental disorders affecting the anterior structures of the eye. Although a number of genes have been implicated in the etiology of ASD, the underlying pathogenetic mechanisms remain unclear. Mutations in genes encoding collagen type IV alpha 1 (COL4A1) and alpha 2 (COL4A2) cause Gould syndrome, a multi-system disorder that often includes ocular manifestations such as ASD and glaucoma. COL4A1 and COL4A2 are abundant basement membrane proteins that provide structural support to tissues and modulate signaling through interactions with other extracellular matrix proteins, growth factors, and cell surface receptors. In this study, we used a combination of histological, molecular, genetic and pharmacological approaches to demonstrate that altered TGFβ signaling contributes to ASD in mouse models of Gould syndrome. We show that TGFβ signaling was elevated in anterior segments from Col4a1 mutant mice and that genetically reducing TGFβ signaling partially prevented ASD. Notably, we identified distinct roles for TGFβ1 and TGFβ2 in ocular defects observed in Col4a1 mutant mice. Importantly, we show that pharmacologically promoting type IV collagen secretion or reducing TGFβ signaling ameliorated ocular pathology in Col4a1 mutant mice. Overall, our findings demonstrate that altered TGFβ signaling contributes to COL4A1-related ocular dysgenesis and implicate this pathway as a potential therapeutic target for the treatment of Gould syndrome.
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Affiliation(s)
- Mao Mao
- Department of Ophthalmology, University of California, San Francisco, San Francisco, CA 94143, United States
| | - Cassandre Labelle-Dumais
- Department of Ophthalmology, University of California, San Francisco, San Francisco, CA 94143, United States
| | - Sara F Tufa
- Shriners Children's, Micro-Imaging Center, Portland, Oregon 97239, United States
| | - Douglas R Keene
- Shriners Children's, Micro-Imaging Center, Portland, Oregon 97239, United States
| | - Douglas B Gould
- Department of Ophthalmology, University of California, San Francisco, San Francisco, CA 94143, United States; Department of Anatomy, University of California, San Francisco, San Francisco, CA 94143, United States; Institute for Human Genetics, University of California, San Francisco, San Francisco, CA 94143, United States; Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA 94143, United States; Bakar Aging Research Institute, University of California, San Francisco, San Francisco, CA 94143, United States.
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Genotyping arrays, population genetic studies and clinical implications. Eur J Hum Genet 2021; 29:1591-1592. [PMID: 34616014 DOI: 10.1038/s41431-021-00979-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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