1
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Snijders BMG, Peters MJL, van den Brink S, van Trijp MJCA, de Jong PA, Vissers LATM, Verduyn Lunel FM, Emmelot-Vonk MH, Koek HL. Infectious Diseases and Basal Ganglia Calcifications: A Cross-Sectional Study in Patients with Fahr's Disease and Systematic Review. J Clin Med 2024; 13:2365. [PMID: 38673641 PMCID: PMC11050861 DOI: 10.3390/jcm13082365] [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: 03/05/2024] [Revised: 03/26/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
Background: It is unclear whether patients with basal ganglia calcifications (BGC) should undergo infectious disease testing as part of their diagnostic work-up. We investigated the occurrence of possibly associated infections in patients with BGC diagnosed with Fahr's disease or syndrome and consecutively performed a systematic review of published infectious diseases associated with BGC. Methods: In a cross-sectional study, we evaluated infections in non-immunocompromised patients aged ≥ 18 years with BGC in the Netherlands, who were diagnosed with Fahr's disease or syndrome after an extensive multidisciplinary diagnostic work-up. Pathogens that were assessed included the following: Brucella sp., cytomegalovirus, human herpesvirus type 6/8, human immunodeficiency virus (HIV), Mycobacterium tuberculosis, rubella virus, and Toxoplasma gondii. Next, a systematic review was performed using MEDLINE and Embase (2002-2023). Results: The cross-sectional study included 54 patients (median age 65 years). We did not observe any possible related infections to the BGC in this population. Prior infection with Toxoplasma gondii occurred in 28%, and in 94%, IgG rubella antibodies were present. The positive tests were considered to be incidental findings by the multidisciplinary team since these infections are only associated with BGC when congenitally contracted and all patients presented with adult-onset symptoms. The systematic search yielded 47 articles, including 24 narrative reviews/textbooks and 23 original studies (11 case series, 6 cross-sectional and 4 cohort studies, and 2 systematic reviews). Most studies reported congenital infections associated with BGC (cytomegalovirus, HIV, rubella virus, Zika virus). Only two studies reported acquired pathogens (chronic active Epstein-Barr virus and Mycobacterium tuberculosis). The quality of evidence was low. Conclusions: In our cross-sectional study and systematic review, we found no convincing evidence that acquired infections are causing BGC in adults. Therefore, we argue against routine testing for infections in non-immunocompromised adults with BGC in Western countries.
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Affiliation(s)
- Birgitta M. G. Snijders
- Department of Geriatrics, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | - Mike J. L. Peters
- Department of Geriatrics, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
- Department of Internal Medicine, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | | | | | - Pim A. de Jong
- Department of Radiology, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | - Laurens A. T. M. Vissers
- Department of Internal Medicine, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | - Frans M. Verduyn Lunel
- Department of Medical Microbiology, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | | | - Huiberdina L. Koek
- Department of Geriatrics, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
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2
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Mahesan A, Kamila G, Jauhari P, Chakrabarty B, Kumar A, Gulati S. Negative Regulator of Reactive Oxygen Species-Related Microgliopathy: A Tale of Epileptic Spasms With Intracranial Calcifications. Neurology 2024; 102:e209182. [PMID: 38315941 DOI: 10.1212/wnl.0000000000209182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 12/06/2023] [Indexed: 02/07/2024] Open
Affiliation(s)
- Aakash Mahesan
- From the Centre of Excellence & Advanced Research for Childhood Neurodevelopmental Disorders (A.M., G.K., P.J., B.C., S.G.), Child Neurology Division, Department of Pediatrics, and Department of Radiodiagnosis and Interventional Radiology (A.K.), AIIMS, New Delhi, India
| | - Gautam Kamila
- From the Centre of Excellence & Advanced Research for Childhood Neurodevelopmental Disorders (A.M., G.K., P.J., B.C., S.G.), Child Neurology Division, Department of Pediatrics, and Department of Radiodiagnosis and Interventional Radiology (A.K.), AIIMS, New Delhi, India
| | - Prashant Jauhari
- From the Centre of Excellence & Advanced Research for Childhood Neurodevelopmental Disorders (A.M., G.K., P.J., B.C., S.G.), Child Neurology Division, Department of Pediatrics, and Department of Radiodiagnosis and Interventional Radiology (A.K.), AIIMS, New Delhi, India
| | - Biswaroop Chakrabarty
- From the Centre of Excellence & Advanced Research for Childhood Neurodevelopmental Disorders (A.M., G.K., P.J., B.C., S.G.), Child Neurology Division, Department of Pediatrics, and Department of Radiodiagnosis and Interventional Radiology (A.K.), AIIMS, New Delhi, India
| | - Atin Kumar
- From the Centre of Excellence & Advanced Research for Childhood Neurodevelopmental Disorders (A.M., G.K., P.J., B.C., S.G.), Child Neurology Division, Department of Pediatrics, and Department of Radiodiagnosis and Interventional Radiology (A.K.), AIIMS, New Delhi, India
| | - Sheffali Gulati
- From the Centre of Excellence & Advanced Research for Childhood Neurodevelopmental Disorders (A.M., G.K., P.J., B.C., S.G.), Child Neurology Division, Department of Pediatrics, and Department of Radiodiagnosis and Interventional Radiology (A.K.), AIIMS, New Delhi, India
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3
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Nicita F, Travaglini L, Matteo V, Aiello C, Longo D, Insalaco A, Bertini E, Prencipe G. Type I Interferon Signature in NOTCH1-Related Leukoencephalopathy. Ann Neurol 2023; 93:1041-1043. [PMID: 36892079 DOI: 10.1002/ana.26631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/02/2023] [Accepted: 01/03/2023] [Indexed: 03/10/2023]
Affiliation(s)
- Francesco Nicita
- Genetics and Rare Diseases Research Division, Unit of Neuromuscular and Neurodegenerative Disorders, Department of Neurosciences, Bambino Gesù Children's Hospital, Scientific Institute for Research and Health Care, Rome, Italy
| | - Lorena Travaglini
- Genetics and Rare Diseases Research Division, Unit of Neuromuscular and Neurodegenerative Disorders, Department of Neurosciences, Bambino Gesù Children's Hospital, Scientific Institute for Research and Health Care, Rome, Italy
| | - Valentina Matteo
- Laboratory of Immuno-Rheumatology, Bambino Gesù Children's Hospital, Scientific Institute for Research and Health Care, Rome, Italy
| | - Chiara Aiello
- Genetics and Rare Diseases Research Division, Unit of Neuromuscular and Neurodegenerative Disorders, Department of Neurosciences, Bambino Gesù Children's Hospital, Scientific Institute for Research and Health Care, Rome, Italy
| | - Daniela Longo
- Neuroradiology Unit, Department of Imaging, Bambino Gesù Children's Hospital, Scientific Institute for Research and Health Care, Rome, Italy
| | - Antonella Insalaco
- Division of Rheumatology, Bambino Gesù Children's Hospital, Scientific Institute for Research and Health Care, Rome, Italy
| | - Enrico Bertini
- Genetics and Rare Diseases Research Division, Unit of Neuromuscular and Neurodegenerative Disorders, Department of Neurosciences, Bambino Gesù Children's Hospital, Scientific Institute for Research and Health Care, Rome, Italy
| | - Giusi Prencipe
- Laboratory of Immuno-Rheumatology, Bambino Gesù Children's Hospital, Scientific Institute for Research and Health Care, Rome, Italy
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4
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Kozak I, Ali SM, Hoque N, Lin D, Bosley TM. Retinal Findings in Haemorrhagic Destruction of the Brain, Subependymal Calcification, and Congenital Cataracts (HDBSCC): Case Report and Review. Neuroophthalmology 2023; 47:11-19. [PMID: 36798868 PMCID: PMC9928457 DOI: 10.1080/01658107.2022.2072517] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
We describe a child from a consanguineous family born with a rare autosomal recessive disorder affecting junctional adhesion molecule 3 (JAM3) causing profound neurological and ophthalmological injury known as haemorrhagic brain destruction, subependymal calcifications, and congenital cataracts (HDBSCC; MIM# 613730). She was the product of an unremarkable pregnancy and was born near to term but was noted shortly after birth to have congenital cataracts, poor vision, increased muscle tone, seizures, and developmental delay. Her older sister had an identical syndrome and had previously been documented to have homozygous mutations in JAM3. Examination in our patient, although difficult because of bilateral central cataracts, revealed very poor vision, attenuated retinal vessels, optic atrophy, and a retinal haemorrhage in the right eye, implying that abnormal development of the retinas and/or optic nerves may at times play a significant role in the poor vision noted in children with HDBSCC.
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Affiliation(s)
- Igor Kozak
- Moorfields Eye Hospital, Abu-Dhabi, UAE,Mohammed Bin Rashed University, Dubai, UAE,CONTACT Igor Kozak Marina Village, B01/B02, Abu-Dhabi, 62807, UAE
| | - Syed M. Ali
- Moorfields Eye Hospital, Abu-Dhabi, UAE,Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Nicholas Hoque
- Neonatology Unit, Kanad Hospital, Al Ain, UAE,Neonatal Service, Imperial College Healthcare NHS Trust, London, UK,Bioengineering, Imperial College London, London, UK
| | - Doris Lin
- Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Thomas M. Bosley
- Neuro-ophthalmology Division, The Wilmer Eye Institute, Johns Hopkins University, Baltimore, USA
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5
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Viengkhou B, Hofer MJ. Breaking down the cellular responses to type I interferon neurotoxicity in the brain. Front Immunol 2023; 14:1110593. [PMID: 36817430 PMCID: PMC9936317 DOI: 10.3389/fimmu.2023.1110593] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/25/2023] [Indexed: 02/05/2023] Open
Abstract
Since their original discovery, type I interferons (IFN-Is) have been closely associated with antiviral immune responses. However, their biological functions go far beyond this role, with balanced IFN-I activity being critical to maintain cellular and tissue homeostasis. Recent findings have uncovered a darker side of IFN-Is whereby chronically elevated levels induce devastating neuroinflammatory and neurodegenerative pathologies. The underlying causes of these 'interferonopathies' are diverse and include monogenetic syndromes, autoimmune disorders, as well as chronic infections. The prominent involvement of the CNS in these disorders indicates a particular susceptibility of brain cells to IFN-I toxicity. Here we will discuss the current knowledge of how IFN-Is mediate neurotoxicity in the brain by analyzing the cell-type specific responses to IFN-Is in the CNS, and secondly, by exploring the spectrum of neurological disorders arising from increased IFN-Is. Understanding the nature of IFN-I neurotoxicity is a crucial and fundamental step towards development of new therapeutic strategies for interferonopathies.
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Affiliation(s)
- Barney Viengkhou
- School of Life and Environmental Sciences and the Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
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6
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Panigrahy N, Bakhru S, Lingappa L, Chirla D. Aicardi-Goutières syndrome (AGS): recurrent fetal cardiomyopathy and pseudo-TORCH syndrome. BMJ Case Rep 2022; 15:e249192. [PMID: 36581356 PMCID: PMC9806047 DOI: 10.1136/bcr-2022-249192] [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] [Indexed: 12/30/2022] Open
Abstract
Aicardi-Goutières syndrome (AGS) induces innate immune activation. It can present with cerebral calcifications and hepatosplenomegaly mimicking congenital infections. The present case report discusses the diagnosis and treatment of a case of fetal cardiomyopathy whose postnatal symptoms resembled TORCH (toxoplasmosis, other agents, rubella, cytomegalovirus, herpes and syphilis) infection. The mother had a history of two lost pregnancies due to fetal cardiomyopathy and the same was identified in the current pregnancy. At 34 weeks of gestation, the mother delivered a late preterm male neonate due to intrauterine growth restriction weighing 1590 g with respiratory distress and cardiomyopathy at birth. The neonate had cerebral calcifications, hepatosplenomegaly and thrombocytopenia. As the infant's TORCH IgM titre was negative, pseudo-TORCH syndrome similar to AGS was suspected. Clinical exome sequencing of the parents and fetus identified no genes for hydrops fetalis or fetal cardiomyopathy; however, the AGS TREX1 gene was identified in the neonate, while additional symptoms resembled TORCH infection. The neonate was discharged and has shown improvement with oral baricitinib treatment for the last 9 months.
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Affiliation(s)
| | - Shweta Bakhru
- Pediatric Cardiology, Rainbow Children's Heart Institute, Hyderabad, Telengana, India
| | - Lokesh Lingappa
- Pediatric Neurology, Rainbow Children's Hospital Banjara Hills, Hyderabad, Telangana, India
| | - Dinesh Chirla
- Intensive Care, Rainbow Children's Hospital, Hyderabad, Andhra Pradesh, India
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7
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Bi-allelic loss-of-function variants in PPFIBP1 cause a neurodevelopmental disorder with microcephaly, epilepsy, and periventricular calcifications. Am J Hum Genet 2022; 109:1421-1435. [PMID: 35830857 PMCID: PMC9388382 DOI: 10.1016/j.ajhg.2022.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/13/2022] [Indexed: 02/06/2023] Open
Abstract
PPFIBP1 encodes for the liprin-β1 protein, which has been shown to play a role in neuronal outgrowth and synapse formation in Drosophila melanogaster. By exome and genome sequencing, we detected nine ultra-rare homozygous loss-of-function variants in 16 individuals from 12 unrelated families. The individuals presented with moderate to profound developmental delay, often refractory early-onset epilepsy, and progressive microcephaly. Further common clinical findings included muscular hyper- and hypotonia, spasticity, failure to thrive and short stature, feeding difficulties, impaired vision, and congenital heart defects. Neuroimaging revealed abnormalities of brain morphology with leukoencephalopathy, ventriculomegaly, cortical abnormalities, and intracranial periventricular calcifications as major features. In a fetus with intracranial calcifications, we identified a rare homozygous missense variant that by structural analysis was predicted to disturb the topology of the SAM domain region that is essential for protein-protein interaction. For further insight into the effects of PPFIBP1 loss of function, we performed automated behavioral phenotyping of a Caenorhabditis elegans PPFIBP1/hlb-1 knockout model, which revealed defects in spontaneous and light-induced behavior and confirmed resistance to the acetylcholinesterase inhibitor aldicarb, suggesting a defect in the neuronal presynaptic zone. In conclusion, we establish bi-allelic loss-of-function variants in PPFIBP1 as a cause of an autosomal recessive severe neurodevelopmental disorder with early-onset epilepsy, microcephaly, and periventricular calcifications.
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8
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Zhou J, Feng W, Zhuo X, Lu W, Wang J, Fang F, Wang X. Cerebral small vessel disease caused by
PLOD3
mutation: Expanding the phenotypic spectrum of lysyl hydroxylase‐3 deficiency. Pediatr Investig 2022; 6:219-223. [PMID: 36203519 PMCID: PMC9523809 DOI: 10.1002/ped4.12328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 03/15/2022] [Indexed: 11/11/2022] Open
Abstract
Introduction Pathogenic variants in PLOD3, encoding lysyl hydroxylase‐3 (LH3), can cause a hereditary connective tissue disorder that has rarely been reported. It is a multi‐system disease, presenting with craniofacial dysmorphisms, skeletal and eye manifestations, sensorineural hearing loss, and variable skin manifestations. Severe central nervous system involvement has not been reported. Case presentation A 10‐month‐old girl was admitted with development delay and clustered epileptic spasms. Hypertelorism, an upturned nose, and low‐set ears were noted in physical examination. Cerebral magnetic resonance imaging showed multiple intracranial malacias and bleeding foci, extensive abnormal signals in the white matter, and obvious brain atrophy, which was consistent with cerebral small vessel disease (SVD). Electroencephalography suggested hypsarrhythmia. The vertebrae were flattened. The distal end of the metacarpal bone in the left hand was irregular. She was diagnosed with West syndrome. Whole‐exome sequencing revealed a novel homozygous variant of c.1216_1218delCTC (p.L406del) in PLOD3, which was found to be inherited from her heterozygous parents. Conclusion We report a patient with pathogenic PLOD3 mutation who presented with cerebral SVD. This report expands the phenotypic spectrum of LH3 deficiency.
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Affiliation(s)
- Ji Zhou
- Department of Neurology, Beijing Children's Hospital, Capital Medical University National Center for Children's Health China
| | - Weixing Feng
- Department of Neurology, Beijing Children's Hospital, Capital Medical University National Center for Children's Health China
| | - Xiuwei Zhuo
- Department of Neurology, Beijing Children's Hospital, Capital Medical University National Center for Children's Health China
| | - Wenting Lu
- Hematology Oncology Center, Beijing Children's Hospital, Capital Medical University National Center for Children's Health China
| | - Junling Wang
- Department of Neurology, Beijing Children's Hospital, Capital Medical University National Center for Children's Health China
| | - Fang Fang
- Department of Neurology, Beijing Children's Hospital, Capital Medical University National Center for Children's Health China
| | - Xiaohui Wang
- Department of Neurology, Beijing Children's Hospital, Capital Medical University National Center for Children's Health China
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9
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Zhou YP, Mei MJ, Wang XZ, Huang SN, Chen L, Zhang M, Li XY, Qin HB, Dong X, Cheng S, Wen L, Yang B, An XF, He AD, Zhang B, Zeng WB, Li XJ, Lu Y, Li HC, Li H, Zou WG, Redwood AJ, Rayner S, Cheng H, McVoy MA, Tang Q, Britt WJ, Zhou X, Jiang X, Luo MH. A congenital CMV infection model for follow-up studies of neurodevelopmental disorders, neuroimaging abnormalities, and treatment. JCI Insight 2022; 7:152551. [PMID: 35014624 PMCID: PMC8765053 DOI: 10.1172/jci.insight.152551] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 11/23/2021] [Indexed: 12/28/2022] Open
Abstract
Congenital cytomegalovirus (cCMV) infection is the leading infectious cause of neurodevelopmental disorders. However, the neuropathogenesis remains largely elusive due to a lack of informative animal models. In this study, we developed a congenital murine CMV (cMCMV) infection mouse model with high survival rate and long survival period that allowed long-term follow-up study of neurodevelopmental disorders. This model involves in utero intracranial injection and mimics many reported clinical manifestations of cCMV infection in infants, including growth restriction, hearing loss, and impaired cognitive and learning-memory abilities. We observed that abnormalities in MRI/CT neuroimaging were consistent with brain hemorrhage and loss of brain parenchyma, which was confirmed by pathological analysis. Neuropathological findings included ventriculomegaly and cortical atrophy associated with impaired proliferation and migration of neural progenitor cells in the developing brain at both embryonic and postnatal stages. Robust inflammatory responses during infection were shown by elevated inflammatory cytokine levels, leukocyte infiltration, and activation of microglia and astrocytes in the brain. Pathological analyses and CT neuroimaging revealed brain calcifications induced by cMCMV infection and cell death via pyroptosis. Furthermore, antiviral treatment with ganciclovir significantly improved neurological functions and mitigated brain damage as shown by CT neuroimaging. These results demonstrate that this model is suitable for investigation of mechanisms of infection-induced brain damage and long-term studies of neurodevelopmental disorders, including the development of interventions to limit CNS damage associated with cCMV infection.
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Affiliation(s)
- Yue-Peng Zhou
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Meng-Jie Mei
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Xian-Zhang Wang
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Sheng-Nan Huang
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Lin Chen
- Hefei National Laboratory for Physical Sciences at the Microscale, School of Life Sciences, University of Science and Technology of China, Hefei, China
| | - Ming Zhang
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy of Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China
| | - Xin-Yan Li
- The Institute for Brain Research, Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan, China
| | - Hai-Bin Qin
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Xiao Dong
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Shuang Cheng
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Le Wen
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.,The Joint Center of Translational Precision Medicine, Guangzhou Institute of Pediatrics, Guangzhou Women and Children Medical Center, Guangzhou, China
| | - Bo Yang
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.,The Joint Center of Translational Precision Medicine, Guangzhou Institute of Pediatrics, Guangzhou Women and Children Medical Center, Guangzhou, China
| | - Xue-Fang An
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Ao-Di He
- The Joint Center of Translational Precision Medicine, Guangzhou Institute of Pediatrics, Guangzhou Women and Children Medical Center, Guangzhou, China
| | - Bing Zhang
- The Joint Center of Translational Precision Medicine, Guangzhou Institute of Pediatrics, Guangzhou Women and Children Medical Center, Guangzhou, China
| | - Wen-Bo Zeng
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Xiao-Jun Li
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Youming Lu
- The Joint Center of Translational Precision Medicine, Guangzhou Institute of Pediatrics, Guangzhou Women and Children Medical Center, Guangzhou, China
| | - Hong-Chuang Li
- University of Chinese Academy of Sciences, Beijing, China.,Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy of Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China
| | - Haidong Li
- University of Chinese Academy of Sciences, Beijing, China.,Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy of Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China
| | - Wei-Guo Zou
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Sciences, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Alec J. Redwood
- The Institute for Respiratory Health, University of Western Australia, Crawley, Western Australia, Australia
| | - Simon Rayner
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway.,Hybrid Technology Hub — Centre of Excellence, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Han Cheng
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Michael A. McVoy
- Department of Pediatrics, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
| | - Qiyi Tang
- Department of Microbiology, Howard University College of Medicine, Washington, DC, USA
| | - William J. Britt
- Department of Pediatrics, School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Xin Zhou
- University of Chinese Academy of Sciences, Beijing, China.,Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy of Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China
| | - Xuan Jiang
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.,The Joint Center of Translational Precision Medicine, Guangzhou Institute of Pediatrics, Guangzhou Women and Children Medical Center, Guangzhou, China
| | - Min-Hua Luo
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China.,The Joint Center of Translational Precision Medicine, Guangzhou Institute of Pediatrics, Guangzhou Women and Children Medical Center, Guangzhou, China.,Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
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10
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Benjamin P, Sudhakar S, D’Arco F, Löbel U, Carney O, Roux CJ, Boddaert N, Hemingway C, Eleftheriou D, Mankad K. Spectrum of Neuroradiologic Findings Associated with Monogenic Interferonopathies. AJNR Am J Neuroradiol 2022; 43:2-10. [PMID: 34949589 PMCID: PMC8757560 DOI: 10.3174/ajnr.a7362] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 06/29/2021] [Indexed: 01/03/2023]
Abstract
The genetic interferonopathies are a heterogeneous group of disorders thought to be caused by the dysregulated expression of interferons and are now commonly considered in the differential diagnosis of children presenting with recurrent or persistent inflammatory phenotypes. With emerging therapeutic options, recognition of these disorders is increasingly important, and neuroimaging plays a vital role. In this article, we discuss the wide spectrum of neuroradiologic features associated with monogenic interferonopathies by reviewing the literature and illustrate these with cases from our institutions. These cases include intracerebral calcifications, white matter T2 hyperintensities, deep WM cysts, cerebral atrophy, large cerebral artery disease, bilateral striatal necrosis, and masslike lesions. A better understanding of the breadth of the neuroimaging phenotypes in conjunction with clinical and laboratory findings will enable earlier diagnosis and direct therapeutic strategies.
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Affiliation(s)
- P. Benjamin
- From the Department of Radiology (P.B., S.S., F.D., U.L., O.C., K.M.), Great Ormond Street Hospital for Children National Health Service Foundation Trust, London, UK
| | - S. Sudhakar
- From the Department of Radiology (P.B., S.S., F.D., U.L., O.C., K.M.), Great Ormond Street Hospital for Children National Health Service Foundation Trust, London, UK
| | - F. D’Arco
- From the Department of Radiology (P.B., S.S., F.D., U.L., O.C., K.M.), Great Ormond Street Hospital for Children National Health Service Foundation Trust, London, UK
| | - U. Löbel
- From the Department of Radiology (P.B., S.S., F.D., U.L., O.C., K.M.), Great Ormond Street Hospital for Children National Health Service Foundation Trust, London, UK
| | - O. Carney
- From the Department of Radiology (P.B., S.S., F.D., U.L., O.C., K.M.), Great Ormond Street Hospital for Children National Health Service Foundation Trust, London, UK
| | - C.-J. Roux
- Department of Paediatric Radiology (C.-J.R., N.B.), Hôpital Necker–Enfants Malades, Paris, France
| | - N. Boddaert
- Department of Paediatric Radiology (C.-J.R., N.B.), Hôpital Necker–Enfants Malades, Paris, France,Institut Imagine (N.B.), Institut National de la Santé et de la Recherche Médicale Union Mutualiste Retraite 1163, Paris, France
| | - C. Hemingway
- Department of Paediatric Neurology (C.H.), Great Ormond Street Hospital, London, UK
| | - D. Eleftheriou
- Infection, Inflammation, and Immunology Section (D.E.), University College London Great Ormond Street Institute of Child Health, London, UK
| | - K. Mankad
- From the Department of Radiology (P.B., S.S., F.D., U.L., O.C., K.M.), Great Ormond Street Hospital for Children National Health Service Foundation Trust, London, UK
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11
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Bhanudeep S, Madaan P, Saini AG, Vyas S, Saini L. Florid Brain Calcification in a Child with X-Linked Adrenoleukodystrophy: What Does it Signify? Ann Indian Acad Neurol 2021; 24:620-622. [PMID: 34728974 PMCID: PMC8513989 DOI: 10.4103/aian.aian_974_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/12/2020] [Accepted: 11/03/2020] [Indexed: 11/04/2022] Open
Affiliation(s)
- Singanamalla Bhanudeep
- Pediatric Neurology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Chandigarh, India
| | - Priyanka Madaan
- Senior Research Associate, Pediatric Neurology Unit, Department of Pediatrics, Advanced Pediatrics Centre, PGIMER, Chandigarh, Council of Scientific and Industrial Research, CSIR Complex, Library Avenue, Pusa, New Delhi, India
| | - Arushi Gahlot Saini
- Pediatric Neurology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Chandigarh, India
| | - Sameer Vyas
- Department of Radiodiagnosis and Imaging, PGIMER, Chandigarh, India
| | - Lokesh Saini
- Pediatric Neurology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Chandigarh, India
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12
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Kara B, Uyguner O, Maraş Genç H, İşlek EE, Kasap M, Toksoy G, Akpınar G, Uyur Yalçın E, Anık Y, Üstek D. BEND4 as a Candidate Gene for an Infection-Induced Acute Encephalopathy Characterized by a Cyst and Calcification of the Pons and Cerebellar Atrophy. Mol Syndromol 2021; 13:12-22. [DOI: 10.1159/000517541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 06/01/2021] [Indexed: 11/19/2022] Open
Abstract
Three siblings born to Turkish parents from the same village had normal brain development until acute neurological deterioration between 12 months and 8 years of age. Consequent loss of all acquired motor, social, and language functions following infections was associated with a pontine cyst, calcification, and cerebellar atrophy. Exome sequencing revealed a homozygous c.1297G>A (p.Gly433Ser) alteration in <i>BEND4</i>, which was predicted to be deleterious in in silico analysis tools and segregated in multiple affected individuals in the family. <i>BEND4</i> has not been associated with any existing disease. Immunofluorescence microscopy analysis of wild-type and mutant BEND4 expressing Vero cells showed nuclear and cytoplasmic localization. Wild-type BEND4 displayed a network-like distribution, whereas mutant BEND4 showed a juxtanuclear distribution pattern. Differential proteome analysis of Vero cells expressing BEND4 revealed that mutant BEND4 expression caused selective increase in reticulocalbin-1 and endoplasmic reticulum resident protein-29. Both proteins are associated with the endoplasmic reticulum and are primarily involved in protein processing and folding pathways. Any defect or stress in protein folding creates stress on cells and may cause chronic damage. This is the first study showing that pathogenic <i>BEND4</i> variants may lead to an infection-induced acute necrotizing encephalopathy as demonstrated in characteristic neuroimaging findings.
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13
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Tonduti D, Pichiecchio A, Uggetti C, Bova SM, Orcesi S, Parazzini C, Chiapparini L. How to look for intracranial calcification in children with neurological disorders: CT, MRI, or both of them? Neurol Sci 2021; 43:2043-2050. [PMID: 34383160 DOI: 10.1007/s10072-021-05510-w] [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: 03/30/2021] [Accepted: 07/18/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND Intracranial calcification (ICC) is an important diagnostic clue in pediatric neurology. Considering the radiation-induced cancer risk associated with computed tomography (CT), we aim to define the diagnostic value of magnetic resonance imaging (MRI) sequences sensitive to paramagnetic/diamagnetic substances in the detection of ICC, comparing with CT scanning. MATERIALS AND METHODS We selected MRI and CT scans performed in children affected by neurological conditions associated with ICC referred to the participating centers between 2005 and 2018. Inclusion criteria were age at neuroradiological investigation < 18 years, availability of good quality CT positive for calcification, and MRI scan that included GE or/and SWI sequences, performed no more than 6 months apart. RESULTS Eighty-one patients were included in the study. CT and MRI scans were reviewed by consensus. MRI failed to detect ICC in 14% of the cases. Susceptibility-weighted imaging (SWI) was the best MRI sequence to use in this setting, followed by gradient echo imaging. In 19% of the cases, CT could have been avoided because the identification or monitoring of ICC has not been necessary for the clinical management of the patient. CONCLUSION In the diagnostic workup of pediatric-onset neurological disorders of unknown cause, the first step to look for ICC should be an MRI that includes SWI and GE sequences. If ICC is absent on MRI, brain CT scanning should be performed at least once. When the identification or monitoring of ICC is unlikely to add information useful for patient's follow-up or treatment, we recommend not performing CT scanning.
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Affiliation(s)
- Davide Tonduti
- Child Neurology, Unit - COALA (Center for Diagnosis and Treatment of Leukodystrophies), V. Buzzi Children's Hospital, Via Castelvetro 32, 20154, Milan, Italy.
| | - Anna Pichiecchio
- Neuroradiology Unit, IRCCS Mondino Foundation, Pavia, Italy.,Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | - Carla Uggetti
- Neuroradiology Unit, Department of Radiology, ASST Santi Paolo E Carlo, Milan, Italy
| | - Stefania Maria Bova
- Child Neurology, Unit - COALA (Center for Diagnosis and Treatment of Leukodystrophies), V. Buzzi Children's Hospital, Via Castelvetro 32, 20154, Milan, Italy
| | - Simona Orcesi
- Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy.,Child and Adolescent Neurology Department, IRCCS Mondino Foundation, Pavia, Italy
| | - Cecilia Parazzini
- Paediatric Radiology and Neuroradiology Department - COALA (Center for Diagnosis and Treatment of Leukodystrophies), V. Buzzi Children's Hospital, Milan, Italy
| | - Luisa Chiapparini
- Neuroradiology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
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14
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Gonçalves FG, Alves CAPF, Heuer B, Peterson J, Viaene AN, Reis Teixeira S, Martín-Saavedra JS, Andronikou S, Goldstein A, Vossough A. Primary Mitochondrial Disorders of the Pediatric Central Nervous System: Neuroimaging Findings. Radiographics 2021; 40:2042-2067. [PMID: 33136487 DOI: 10.1148/rg.2020200052] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Primary mitochondrial disorders (PMDs) constitute the most common cause of inborn errors of metabolism in children, and they frequently affect the central nervous system. Neuroimaging findings of PMDs are variable, ranging from unremarkable and nonspecific to florid and highly suggestive. An overview of PMDs, including a synopsis of the basic genetic concepts, main clinical symptoms, and neuropathologic features, is presented. In addition, eight of the most common PMDs that have a characteristic imaging phenotype in children are reviewed in detail. Online supplemental material is available for this article. ©RSNA, 2020.
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Affiliation(s)
- Fabrício Guimarães Gonçalves
- From the Department of Radiology, Division of Neuroradiology (F.G.G., C.A.P.F.A., S.R.T., J.S.M.S., S.A., A.V.), Department of Pathology (A.N.V.), and Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics (B.H., J.P., A.G.), Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104-4399; and Departments of Pediatrics (A.G.) and Radiology (S.A., A.V.), University of Pennsylvania Perelman School of Medicine (A.N.V.), Philadelphia, Pa
| | - César Augusto Pinheiro Ferreira Alves
- From the Department of Radiology, Division of Neuroradiology (F.G.G., C.A.P.F.A., S.R.T., J.S.M.S., S.A., A.V.), Department of Pathology (A.N.V.), and Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics (B.H., J.P., A.G.), Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104-4399; and Departments of Pediatrics (A.G.) and Radiology (S.A., A.V.), University of Pennsylvania Perelman School of Medicine (A.N.V.), Philadelphia, Pa
| | - Beth Heuer
- From the Department of Radiology, Division of Neuroradiology (F.G.G., C.A.P.F.A., S.R.T., J.S.M.S., S.A., A.V.), Department of Pathology (A.N.V.), and Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics (B.H., J.P., A.G.), Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104-4399; and Departments of Pediatrics (A.G.) and Radiology (S.A., A.V.), University of Pennsylvania Perelman School of Medicine (A.N.V.), Philadelphia, Pa
| | - James Peterson
- From the Department of Radiology, Division of Neuroradiology (F.G.G., C.A.P.F.A., S.R.T., J.S.M.S., S.A., A.V.), Department of Pathology (A.N.V.), and Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics (B.H., J.P., A.G.), Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104-4399; and Departments of Pediatrics (A.G.) and Radiology (S.A., A.V.), University of Pennsylvania Perelman School of Medicine (A.N.V.), Philadelphia, Pa
| | - Angela N Viaene
- From the Department of Radiology, Division of Neuroradiology (F.G.G., C.A.P.F.A., S.R.T., J.S.M.S., S.A., A.V.), Department of Pathology (A.N.V.), and Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics (B.H., J.P., A.G.), Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104-4399; and Departments of Pediatrics (A.G.) and Radiology (S.A., A.V.), University of Pennsylvania Perelman School of Medicine (A.N.V.), Philadelphia, Pa
| | - Sara Reis Teixeira
- From the Department of Radiology, Division of Neuroradiology (F.G.G., C.A.P.F.A., S.R.T., J.S.M.S., S.A., A.V.), Department of Pathology (A.N.V.), and Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics (B.H., J.P., A.G.), Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104-4399; and Departments of Pediatrics (A.G.) and Radiology (S.A., A.V.), University of Pennsylvania Perelman School of Medicine (A.N.V.), Philadelphia, Pa
| | - Juan Sebastián Martín-Saavedra
- From the Department of Radiology, Division of Neuroradiology (F.G.G., C.A.P.F.A., S.R.T., J.S.M.S., S.A., A.V.), Department of Pathology (A.N.V.), and Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics (B.H., J.P., A.G.), Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104-4399; and Departments of Pediatrics (A.G.) and Radiology (S.A., A.V.), University of Pennsylvania Perelman School of Medicine (A.N.V.), Philadelphia, Pa
| | - Savvas Andronikou
- From the Department of Radiology, Division of Neuroradiology (F.G.G., C.A.P.F.A., S.R.T., J.S.M.S., S.A., A.V.), Department of Pathology (A.N.V.), and Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics (B.H., J.P., A.G.), Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104-4399; and Departments of Pediatrics (A.G.) and Radiology (S.A., A.V.), University of Pennsylvania Perelman School of Medicine (A.N.V.), Philadelphia, Pa
| | - Amy Goldstein
- From the Department of Radiology, Division of Neuroradiology (F.G.G., C.A.P.F.A., S.R.T., J.S.M.S., S.A., A.V.), Department of Pathology (A.N.V.), and Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics (B.H., J.P., A.G.), Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104-4399; and Departments of Pediatrics (A.G.) and Radiology (S.A., A.V.), University of Pennsylvania Perelman School of Medicine (A.N.V.), Philadelphia, Pa
| | - Arastoo Vossough
- From the Department of Radiology, Division of Neuroradiology (F.G.G., C.A.P.F.A., S.R.T., J.S.M.S., S.A., A.V.), Department of Pathology (A.N.V.), and Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics (B.H., J.P., A.G.), Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104-4399; and Departments of Pediatrics (A.G.) and Radiology (S.A., A.V.), University of Pennsylvania Perelman School of Medicine (A.N.V.), Philadelphia, Pa
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15
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Ezhuthachan AS, Tucker AH, Washburn LK. Case 1: Intracranial Calcifications Associated with Hepatosplenomegaly and Thrombocytopenia. Neoreviews 2021; 22:e332-e334. [PMID: 33931478 DOI: 10.1542/neo.22-5-e332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Alok S Ezhuthachan
- Division of Neonatology, Department of Pediatrics, Lenox Hill Hospital, Northwell Health, New York, NY
| | - Anna H Tucker
- Department of Pediatrics, Novant Health Thomasville Medical Center, Thomasville, NC
| | - Lisa K Washburn
- Division of Neonatology, Department of Pediatrics, Wake Forest School of Medicine, Winston-Salem, NC
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16
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Chen W, Foo SS, Hong E, Wu C, Lee WS, Lee SA, Evseenko D, Lopes Moreira ME, García-Sastre A, Cheng G, Nielsen-Saines K, Brasil P, Avvad-Portari E, Jung JU. Zika virus NS3 protease induces bone morphogenetic protein-dependent brain calcification in human fetuses. Nat Microbiol 2021; 6:455-466. [PMID: 33510473 PMCID: PMC8012254 DOI: 10.1038/s41564-020-00850-3] [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: 01/27/2020] [Accepted: 12/11/2020] [Indexed: 01/29/2023]
Abstract
The most frequent fetal birth defect associated with prenatal Zika virus (ZIKV) infection is brain calcification, which in turn may potentially affect neurological development in infants. Understanding the mechanism could inform the development of potential therapies against prenatal ZIKV brain calcification. In perivascular cells, bone morphogenetic protein (BMP) is an osteogenic factor that undergoes maturation to activate osteogenesis and calcification. Here, we show that ZIKV infection of cultivated primary human brain pericytes triggers BMP2 maturation, leading to osteogenic gene expression and calcification. We observed extensive calcification near ZIKV+ pericytes of fetal human brain specimens and in vertically transmitted ZIKV+ human signal transducer and activator of transcription 2-knockin mouse pup brains. ZIKV infection of primary pericytes stimulated BMP2 maturation, inducing osteogenic gene expression and calcification that were completely blocked by anti-BMP2/4 neutralizing antibody. Not only did ZIKV NS3 expression alone induce BMP2 maturation, osteogenic gene expression and calcification, but purified NS3 protease also effectively cleaved pro-BMP2 in vitro to generate biologically active mature BMP2. These findings highlight ZIKV-induced calcification where the NS3 protease subverts the BMP2-mediated osteogenic signalling pathway to trigger brain calcification.
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Affiliation(s)
- Weiqiang Chen
- Department of Cancer Biology and Global Center for Pathogens Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Suan-Sin Foo
- Department of Cancer Biology and Global Center for Pathogens Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Eunjin Hong
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Christine Wu
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Wai-Suet Lee
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Shin-Ae Lee
- Department of Cancer Biology and Global Center for Pathogens Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Denis Evseenko
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Maria Elisabeth Lopes Moreira
- Clinical Research Unit, Fernandes Figueira Institute-FioCruz, Avenida Rui Barbosa, 716, Flamengo, Rio De Janeiro, RJ CEP 22250-020, Brazil
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA;,Department of Medicine, Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, USA;,Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA;,The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Genhong Cheng
- Department of Microbiology and Molecular Genetics, David Geffen School of Medicine, University of California, Los Angeles, Marion Davies Children’s Health Center, 10833 LeConte Avenue, Los Angeles, CA 90095, USA
| | - Karin Nielsen-Saines
- Division of Pediatric Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Marion Davies Children’s Health Center, 10833 LeConte Avenue, Los Angeles, CA 90095, USA
| | - Patrícia Brasil
- Laboratório de Pesquisa Clínica em Doenças Febris Agudas, Instituto Nacional de Infectologia Evandro Chagas, FioCruz, 4365 Avenida Brasil, Rio de Janeiro – RJ, 21040-360, Brazil
| | - Elyzabeth Avvad-Portari
- Department of Pathology, Fernandes Figueira Institute-FioCruz, Avenida Rui Barbosa, 716, Flamengo, Rio De Janeiro, RJ CEP 22250-020, Brazil
| | - Jae U. Jung
- Department of Cancer Biology and Global Center for Pathogens Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA;,Correspondence: (Jae U. Jung, PhD)
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17
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Biswas A, Malhotra M, Mankad K, Carney O, D'Arco F, Muthusamy K, Sudhakar SV. Clinico-radiological phenotyping and diagnostic pathways in childhood neurometabolic disorders-a practical introductory guide. Transl Pediatr 2021; 10:1201-1230. [PMID: 34012862 PMCID: PMC8107844 DOI: 10.21037/tp-20-335] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Inborn errors of metabolism (IEM) although individually rare, together constitute a significant proportion of childhood neurological disorders. Majority of these disorders occur due to deficiency of an enzyme in a specific metabolic pathway, leading to damage by accumulation of a toxic substrate or deficiency of an essential metabolite. Early diagnosis is crucial in many of these conditions to prevent or minimise brain damage. Whilst many of the neuroimaging features are nonspecific, certain disorders demonstrate specific patterns due to selective vulnerability of different structures to different insults. Along with clinical and biochemical profile, neuroimaging thus plays a pivotal role in differentiating metabolic disorders from other causes, in providing a differential diagnosis or suggesting a metabolic pathway derangement, and on occasion also helps make a specific diagnosis. This allows initiation of targeted metabolic and genetic work up and treatment. Familiarity with the clinical features, relevant biochemical features and neuroimaging findings of common metabolic disorders to facilitate a prompt diagnosis cannot thus be overemphasized. In this article, we describe the latest classification scheme, the clinical and biochemical clues and common radiological patterns. The diagnostic algorithm followed in daily practice after clinico-radiological phenotyping is alluded to and illustrated by clinical vignettes. Focused sections on neonatal metabolic disorders and mitochondrial disorders are also provided. The purpose of this article is to provide a brief overview and serve as a practical primer to clinical and radiological phenotypes and diagnostic aspects of IEM.
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Affiliation(s)
- Asthik Biswas
- Department of Diagnostic Imaging, The Hospital for Sick Children, Toronto, Ontario, Canada.,Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada
| | - Mukul Malhotra
- Department of Neurology, Christian Medical College, Vellore, India
| | - Kshitij Mankad
- Neuroradiology Unit, Great Ormond Street Hospital NHS Foundation Trust, London, UK
| | - Olivia Carney
- Neuroradiology Unit, Great Ormond Street Hospital NHS Foundation Trust, London, UK
| | - Felice D'Arco
- Neuroradiology Unit, Great Ormond Street Hospital NHS Foundation Trust, London, UK
| | | | - Sniya Valsa Sudhakar
- Neuroradiology Unit, Great Ormond Street Hospital NHS Foundation Trust, London, UK
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18
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Schieffer KM, Agarwal V, LaHaye S, Miller KE, Koboldt DC, Lichtenberg T, Leraas K, Brennan P, Kelly BJ, Crist E, Rusin J, Finlay JL, Osorio DS, Sribnick EA, Leonard JR, Feldman A, Orr BA, Serrano J, Vasudevaraja V, Snuderl M, White P, Magrini V, Wilson RK, Mardis ER, Boué DR, Cottrell CE. YAP1-FAM118B Fusion Defines a Rare Subset of Childhood and Young Adulthood Meningiomas. Am J Surg Pathol 2021; 45:329-340. [PMID: 33074854 DOI: 10.1097/pas.0000000000001597] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Meningiomas are a central nervous system tumor primarily afflicting adults, with <1% of cases diagnosed during childhood or adolescence. Somatic variation in NF2 may be found in ∼50% of meningiomas, with other genetic drivers (eg, SMO, AKT1, TRAF7) contributing to NF2 wild-type tumors. NF2 is an upstream negative regulator of YAP signaling and loss of the NF2 protein product, Merlin, results in YAP overexpression and target gene transcription. This mechanism of dysregulation is described in NF2-driven meningiomas, but further work is necessary to understand the NF2-independent mechanism of tumorigenesis. Amid our institutional patient-centric comprehensive molecular profiling study, we identified an individual with meningioma harboring a YAP1-FAM118B fusion, previously reported only in supratentorial ependymoma. The tumor histopathology was remarkable, characterized by prominent islands of calcifying fibrous nodules within an overall collagen-rich matrix. To gain insight into this finding, we subsequently evaluated the genetic landscape of 11 additional pediatric and adolescent/young adulthood meningioma patients within the Children's Brain Tumor Tissue Consortium. A second individual harboring a YAP1-FAM118B gene fusion was identified within this database. Transcriptomic profiling suggested that YAP1-fusion meningiomas are biologically distinct from NF2-driven meningiomas. Similar to other meningiomas, however, YAP1-fusion meningiomas demonstrated overexpression of EGFR and MET. DNA methylation profiling further distinguished YAP1-fusion meningiomas from those observed in ependymomas. In summary, we expand the genetic spectrum of somatic alteration associated with NF2 wild-type meningioma to include the YAP1-FAM118B fusion and provide support for aberrant signaling pathways potentially targetable by therapeutic intervention.
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Affiliation(s)
| | - Vibhuti Agarwal
- Division of Hematology, Oncology, and Bone Marrow Transplant
| | | | | | - Daniel C Koboldt
- The Steve and Cindy Rasmussen Institute for Genomic Medicine.,Departments of Pediatrics
| | | | - Kristen Leraas
- The Steve and Cindy Rasmussen Institute for Genomic Medicine
| | - Patrick Brennan
- The Steve and Cindy Rasmussen Institute for Genomic Medicine
| | | | - Erin Crist
- The Steve and Cindy Rasmussen Institute for Genomic Medicine
| | | | - Jonathan L Finlay
- Division of Hematology, Oncology, and Bone Marrow Transplant.,Departments of Pediatrics.,Division of Hematology and Oncology, The Ohio State University College of Medicine, Columbus, OH
| | - Diana S Osorio
- Division of Hematology, Oncology, and Bone Marrow Transplant.,Departments of Pediatrics.,Division of Hematology and Oncology, The Ohio State University College of Medicine, Columbus, OH
| | | | | | | | - Brent A Orr
- St. Jude Children's Research Hospital, Memphis, TN
| | - Jonathan Serrano
- Department of Pathology, New York University Langone Health, New York City, NY
| | | | - Matija Snuderl
- Department of Pathology, New York University Langone Health, New York City, NY
| | - Peter White
- The Steve and Cindy Rasmussen Institute for Genomic Medicine.,Departments of Pediatrics
| | - Vincent Magrini
- The Steve and Cindy Rasmussen Institute for Genomic Medicine.,Departments of Pediatrics
| | - Richard K Wilson
- The Steve and Cindy Rasmussen Institute for Genomic Medicine.,Departments of Pediatrics
| | - Elaine R Mardis
- The Steve and Cindy Rasmussen Institute for Genomic Medicine.,Departments of Pediatrics
| | - Daniel R Boué
- Pathology and Laboratory Medicine, Nationwide Children's Hospital.,Pathology
| | - Catherine E Cottrell
- The Steve and Cindy Rasmussen Institute for Genomic Medicine.,Departments of Pediatrics.,Pathology
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19
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Polymicrogyria with calcification in Pallister-Killian syndrome detected by microarray analysis. Brain Dev 2021; 43:448-453. [PMID: 33229101 DOI: 10.1016/j.braindev.2020.11.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 10/28/2020] [Accepted: 11/06/2020] [Indexed: 11/21/2022]
Abstract
BACKGROUND Pallister-Killian syndrome (PKS) is a rare disorder caused by the mosaic tetrasomy of chromosome 12p, and is characterized by facial dysmorphism, developmental delay, hypotonia and seizures. RESULTS We report a patient with PKS showing unique polymicrogyria with calcification. He had delayed development and dysmorphic facial features including frontal bossing, hypertelorism, and high arched palate at 6 months of age. Neuroimaging revealed unilateral polymicrogyria with spot calcifications, which predominantly affected the right perisylvian region. Chromosome G-banding showed the karyotype 46,XY, however, array-based comparative genomic hybridization analysis showed mosaic duplication of chromosome 12p, in which CCND2, which encodes cyclin D2 and is a downstream mediator of PI3K-AKT pathway, is located. Supernumerary chromosome of 12p was detected in 58% of buccal mucosa cells by the interphase fluorescence in situ hybridization analysis using chromosome 12 centromere-specific D12Z3 probe. The diagnosis of PKS was made based on distinctive clinical features of our patient and the results of cytogenetic analyses. CONCLUSION This report is, to our knowledge, the first case of a patient with PKS who clearly demonstrates polymicrogyria colocalized with calcifications, as shown by CT scans and MRI, and suggests that a patient with PKS could show structural brain anomalies with calcification. We assume that somatic mosaicism of tetrasomy could cause asymmetrical polymicrogyria in our patient, and speculate that increased dosages of CCND2 at chromosome 12p might be involved in the abnormal neuronal migration in PKS.
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20
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Tiwari S, Shaikh M, Yadav T, Garg P, Khera P. Leukoencephalopathy with calcifications and cysts in a child with progressive hemiparesis—A case report. J Pediatr Neurosci 2021; 16:277-280. [DOI: 10.4103/jpn.jpn_113_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 07/07/2020] [Accepted: 08/22/2020] [Indexed: 11/04/2022] Open
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21
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Snyder-Keller A, Bolivar VJ, Zink S, Kramer LD. Brain Iron Accumulation and the Formation of Calcifications After Developmental Zika Virus Infection. J Neuropathol Exp Neurol 2020; 79:767-776. [PMID: 32483612 DOI: 10.1093/jnen/nlaa043] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 04/24/2020] [Indexed: 12/20/2022] Open
Abstract
Intracranial calcifications (ICC) are the most common neuropathological finding in the brains of children exposed in utero to the Zika virus (ZIKV). Using a mouse model of developmental ZIKV infection, we reported widespread calcifications in the brains of susceptible mice that correlated in multiple ways with the behavioral deficits observed. Here, we examined the time course of ICC development and the role of iron deposition in this process, in 3 genetically distinct inbred strains of mice. Brain iron deposits were evident by Perls' staining at 2 weeks post infection, becoming increasingly dense and coinciding with calcium buildup and the formation of ICCs. A regional analysis of the brains of susceptible mice (C57BL/6J and 129S1/SvImJ strains) revealed the presence of iron initially in regions containing many ZIKV-immunoreactive cells, but then spreading to regions containing few infected cells, most notably the thalamus and the fasciculus retroflexus. Microglial activation was widespread initially and later delineated the sites of ICC formation. Behavioral tests conducted at 5-6 weeks of age revealed greater deficits in mice with the most extensive iron deposition and calcification of subcortical regions, such as thalamus. These findings point to iron deposition as a key factor in the development of ICCs after developmental ZIKV infection.
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Affiliation(s)
- Abigail Snyder-Keller
- Wadsworth Center, New York State Department of Health.,Department of Biomedical Sciences, University at Albany School of Public Health, Albany, New York
| | - Valerie J Bolivar
- Wadsworth Center, New York State Department of Health.,Department of Biomedical Sciences, University at Albany School of Public Health, Albany, New York
| | - Steven Zink
- Wadsworth Center, New York State Department of Health
| | - Laura D Kramer
- Wadsworth Center, New York State Department of Health.,Department of Biomedical Sciences, University at Albany School of Public Health, Albany, New York
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22
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Mohammad SS, Angiti RR, Biggin A, Morales-Briceño H, Goetti R, Perez-Dueñas B, Gregory A, Hogarth P, Ng J, Papandreou A, Bhattacharya K, Rahman S, Prelog K, Webster RI, Wassmer E, Hayflick S, Livingston J, Kurian M, Chong WK, Dale RC. Magnetic resonance imaging pattern recognition in childhood bilateral basal ganglia disorders. Brain Commun 2020; 2:fcaa178. [PMID: 33629063 PMCID: PMC7891249 DOI: 10.1093/braincomms/fcaa178] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/24/2020] [Accepted: 09/18/2020] [Indexed: 12/18/2022] Open
Abstract
Bilateral basal ganglia abnormalities on MRI are observed in a wide variety of childhood disorders. MRI pattern recognition can enable rationalization of investigations and also complement clinical and molecular findings, particularly confirming genomic findings and also enabling new gene discovery. A pattern recognition approach in children with bilateral basal ganglia abnormalities on brain MRI was undertaken in this international multicentre cohort study. Three hundred and five MRI scans belonging to 201 children with 34 different disorders were rated using a standard radiological scoring proforma. In addition, literature review on MRI patterns was undertaken in these 34 disorders and 59 additional disorders reported with bilateral basal ganglia MRI abnormalities. Cluster analysis on first MRI findings from the study cohort grouped them into four clusters: Cluster 1—T2-weighted hyperintensities in the putamen; Cluster 2—T2-weighted hyperintensities or increased MRI susceptibility in the globus pallidus; Cluster 3—T2-weighted hyperintensities in the globus pallidus, brainstem and cerebellum with diffusion restriction; Cluster 4—T1-weighted hyperintensities in the basal ganglia. The 34 diagnostic categories included in this study showed dominant clustering in one of the above four clusters. Inflammatory disorders grouped together in Cluster 1. Mitochondrial and other neurometabolic disorders were distributed across clusters 1, 2 and 3, according to lesions dominantly affecting the striatum (Cluster 1: glutaric aciduria type 1, propionic acidaemia, 3-methylglutaconic aciduria with deafness, encephalopathy and Leigh-like syndrome and thiamine responsive basal ganglia disease associated with SLC19A3), pallidum (Cluster 2: methylmalonic acidaemia, Kearns Sayre syndrome, pyruvate dehydrogenase complex deficiency and succinic semialdehyde dehydrogenase deficiency) or pallidum, brainstem and cerebellum (Cluster 3: vigabatrin toxicity, Krabbe disease). The Cluster 4 pattern was exemplified by distinct T1-weighted hyperintensities in the basal ganglia and other brain regions in genetically determined hypermanganesemia due to SLC39A14 and SLC30A10. Within the clusters, distinctive basal ganglia MRI patterns were noted in acquired disorders such as cerebral palsy due to hypoxic ischaemic encephalopathy in full-term babies, kernicterus and vigabatrin toxicity and in rare genetic disorders such as 3-methylglutaconic aciduria with deafness, encephalopathy and Leigh-like syndrome, thiamine responsive basal ganglia disease, pantothenate kinase-associated neurodegeneration, TUBB4A and hypermanganesemia. Integrated findings from the study cohort and literature review were used to propose a diagnostic algorithm to approach bilateral basal ganglia abnormalities on MRI. After integrating clinical summaries and MRI findings from the literature review, we developed a prototypic decision-making electronic tool to be tested using further cohorts and clinical practice.
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Affiliation(s)
- Shekeeb S Mohammad
- Kids Neuroscience Centre, The Children's Hospital at Westmead, Westmead, NSW 2145, Australia.,TY Nelson Department of Neurology and Neurosurgery, The Children's Hospital at Westmead, Sydney, Australia.,The Children's hospital at Westmead Clinical School, Faculty of Medicine, University of Sydney, Sydney, NSW 2145, Australia
| | - Rajeshwar Reddy Angiti
- Newborn and Peadiatric Emergency Transport Service (NETS), Bankstown, NSW, Australia.,Department of Neonatology, Liverpool Hospital, Liverpool, NSW, Australia
| | - Andrew Biggin
- The Children's hospital at Westmead Clinical School, Faculty of Medicine, University of Sydney, Sydney, NSW 2145, Australia
| | - Hugo Morales-Briceño
- Movement Disorders Unit, Neurology Department, Westmead Hospital, Westmead, NSW 2145, Australia
| | - Robert Goetti
- Medical Imaging, The Children's Hospital at Westmead and Sydney Medical School, University of Sydney, Sydney, Australia
| | - Belen Perez-Dueñas
- Paediatric Neurology Department, Hospital Vall d'Hebrón Universitat Autónoma de Barcelona, Vall d'Hebron Research Institute Barcelona, Barcelona, Spain
| | - Allison Gregory
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR, USA
| | - Penelope Hogarth
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR, USA
| | - Joanne Ng
- Molecular Neurosciences, Developmental Neurosciences, UCL-Institute of Child Health, London, UK
| | - Apostolos Papandreou
- Molecular Neurosciences, Developmental Neurosciences, UCL-Institute of Child Health, London, UK
| | - Kaustuv Bhattacharya
- Western Sydney Genomics Program, The Children's Hospital at Westmead and Sydney Medical School, University of Sydney, Sydney, Australia
| | - Shamima Rahman
- Mitochondrial Research Group, Genetics and Genomic Medicine, Institute of Child Health, University College London and Metabolic Unit, Great Ormond Street Hospital, London, UK
| | - Kristina Prelog
- Medical Imaging, The Children's Hospital at Westmead and Sydney Medical School, University of Sydney, Sydney, Australia
| | - Richard I Webster
- TY Nelson Department of Neurology and Neurosurgery, The Children's Hospital at Westmead, Sydney, Australia
| | - Evangeline Wassmer
- Department of Paediatric Neurology, Birmingham Children's Hospital, Birmingham, UK
| | - Susan Hayflick
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR, USA
| | - John Livingston
- Department of Paediatric Neurology, Leeds Teaching Hospitals Trust, University of Leeds, UK
| | - Manju Kurian
- Molecular Neurosciences, Developmental Neurosciences, UCL-Institute of Child Health, London, UK
| | - W Kling Chong
- Department of Radiology, Great Ormond Street Hospital, London, UK
| | - Russell C Dale
- Kids Neuroscience Centre, The Children's Hospital at Westmead, Westmead, NSW 2145, Australia.,TY Nelson Department of Neurology and Neurosurgery, The Children's Hospital at Westmead, Sydney, Australia.,The Children's hospital at Westmead Clinical School, Faculty of Medicine, University of Sydney, Sydney, NSW 2145, Australia
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23
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El-Dessouky SH, Abdel-Hamid MS, Abdel-Ghafar SF, Aboulghar MM, Gaafar HM, Fouad M, Ahmed AH, Abdel-Salam GMH. Raine syndrome: Prenatal diagnosis based on recognizable fetal facial features and characteristic intracranial calcification. Prenat Diagn 2020; 40:1578-1597. [PMID: 32833257 DOI: 10.1002/pd.5818] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 08/20/2020] [Accepted: 08/20/2020] [Indexed: 01/21/2023]
Abstract
OBJECTIVE The purpose of this study was to elucidate the facial morphology and the pattern of internal malformations in three fetuses with RS born to first cousins of Egyptian decent. METHODS The fetal ultrasonography findings were highly suggestive of RS leading to targeted Sanger sequencing of FAM20C and postnatal assessment. RESULTS The prenatal ultrasound findings of osteosclerotic skull, exorbitism, hypoplastic nose, midface hypoplasia, small mouth with down-curved corners, and a distinct and recognizable pattern of intracranial calcification were identified in three fetuses with RS. The calcifications were evident specifically around the corpus callosum and/or ventricular walls. Ectopic renal and hepatic calcifications, pulmonary hypoplasia, mild rhizomelic shortening of the upper limbs, intrauterine fractures, and cerebellar hypoplasia were also noted. Molecular analysis identified three novel homozygous variants, two frameshift: [c.456delC (p.Gly153Alafs*34)] in exon 1 and [c.905delT (Phe302Serfs*35)] in exon 4 and one nonsense mutation in exon 10, [c.1557C>G(p.Tyrs519*)]. The three variants were segregated with the phenotype. This is the first description of a phenotype associated with homozygous truncating variants of FAM20C. CONCLUSION RS has characteristic prenatal ultrasound findings which can improve the prenatal identification of this condition and help in guiding the molecular diagnosis and counseling.
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Affiliation(s)
- Sara H El-Dessouky
- Department of Prenatal Diagnosis & Fetal Medicine, Division of Human Genetics and Genome Research, National Research Centre, Cairo, Egypt
| | - Mohamed S Abdel-Hamid
- Department of Medical & Molecular Genetics, Division of Human Genetics and Genome Research, National Research Centre, Cairo, Egypt
| | - Sherif F Abdel-Ghafar
- Department of Medical & Molecular Genetics, Division of Human Genetics and Genome Research, National Research Centre, Cairo, Egypt
| | | | | | - Mona Fouad
- Fetal Medicine Unit, Cairo University, Cairo, Egypt
| | - Adel H Ahmed
- Fetal Medicine Unit, Cairo University, Cairo, Egypt
| | - Ghada M H Abdel-Salam
- Department of Clinical Genetics, Division of Human Genetics and Genome Research, National Research Centre, Cairo, Egypt
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24
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Vhp L, Aragão MM, Pinho RS, Hazin AN, Paciorkowski AR, Penalva de Oliveira AC, Masruha MR. Congenital Zika Virus Infection: a Review with Emphasis on the Spectrum of Brain Abnormalities. Curr Neurol Neurosci Rep 2020; 20:49. [PMID: 32880775 PMCID: PMC7468090 DOI: 10.1007/s11910-020-01072-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Purpose of Review In 2016, the World Health Organization declared the Zika virus (ZIKV) outbreak a Public Health Emergency of International Concern following a cluster of associated neurological disorders and neonatal malformations. Our aim is to review the clinical and neuroimaging findings seen in congenital Zika syndrome. Recent Findings ZIKV injures neural progenitor cells in the hippocampus, a brain region important for learning, memory, cognition, and emotion/stress response. Positron emission tomography has revealed global neuroinflammation in ZIKV infection in animal models. Summary Congenital Zika syndrome is associated with a spectrum of brain abnormalities, including microcephaly, parenchymal calcifications, malformations of cortical development and defective neuronal migration, corpus callosum abnormalities, ventriculomegaly, and brainstem and cerebellar abnormalities.
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Affiliation(s)
- Leão Vhp
- Department of Neurology and Neurosurgery, Escola Paulista de Medicina, São Paulo, Brazil
| | - M M Aragão
- Department of Neurology and Neurosurgery, Escola Paulista de Medicina, São Paulo, Brazil
| | - R S Pinho
- Department of Neurology and Neurosurgery, Escola Paulista de Medicina, São Paulo, Brazil
| | - A N Hazin
- Department of Radiology, Instituto de Medicina Integral Professor Fernando Figueira, Recife, Brazil
| | - A R Paciorkowski
- Departments of Neurology, Pediatrics, Biomedical Genetics, and Neuroscience, University of Rochester Medical Center, Rochester, NY, USA
| | | | - Marcelo Rodrigues Masruha
- Department of Neurology and Neurosurgery, Escola Paulista de Medicina, São Paulo, Brazil. .,Instituto de Neurociência do Espírito Santo, Fausto Vincenzo Tancredi Street, 86, Vitória, ES, 29050-270, Brazil.
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25
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Intracranial calcifications in childhood: Part 2. Pediatr Radiol 2020; 50:1448-1475. [PMID: 32642802 DOI: 10.1007/s00247-020-04716-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 04/03/2020] [Accepted: 05/12/2020] [Indexed: 02/08/2023]
Abstract
This article is the second of a two-part series on intracranial calcification in childhood. In Part 1, the authors discussed the main differences between physiological and pathological intracranial calcification. They also outlined histological intracranial calcification characteristics and how these can be detected across different neuroimaging modalities. Part 1 emphasized the importance of age at presentation and intracranial calcification location and proposed a comprehensive neuroimaging approach toward the differential diagnosis of the causes of intracranial calcification. Pathological intracranial calcification can be divided into infectious, congenital, endocrine/metabolic, vascular, and neoplastic. In Part 2, the chief focus is on discussing endocrine/metabolic, vascular, and neoplastic intracranial calcification etiologies of intracranial calcification. Endocrine/metabolic diseases causing intracranial calcification are mainly from parathyroid and thyroid dysfunction and inborn errors of metabolism, such as mitochondrial disorders (MELAS, or mitochondrial myopathy, encephalopathy, lactic acidosis, and stroke-like episodes; Kearns-Sayre; and Cockayne syndromes), interferonopathies (Aicardi-Goutières syndrome), and lysosomal disorders (Krabbe disease). Specific noninfectious causes of intracranial calcification that mimic TORCH (toxoplasmosis, other [syphilis, varicella-zoster, parvovirus B19], rubella, cytomegalovirus, and herpes) infections are known as pseudo-TORCH. Cavernous malformations, arteriovenous malformations, arteriovenous fistulas, and chronic venous hypertension are also known causes of intracranial calcification. Other vascular-related causes of intracranial calcification include early atherosclerosis presentation (children with risk factors such as hyperhomocysteinemia, familial hypercholesterolemia, and others), healed hematoma, radiotherapy treatment, old infarct, and disorders of the microvasculature such as COL4A1- and COL4A2-related diseases. Intracranial calcification is also seen in several pediatric brain tumors. Clinical and familial information such as age at presentation, maternal exposure to teratogens including viruses, and association with chromosomal abnormalities, pathogenic genes, and postnatal infections facilitates narrowing the differential diagnosis of the multiple causes of intracranial calcification.
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26
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Intracranial calcifications in childhood: Part 1. Pediatr Radiol 2020; 50:1424-1447. [PMID: 32734340 DOI: 10.1007/s00247-020-04721-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 04/03/2020] [Accepted: 05/12/2020] [Indexed: 12/30/2022]
Abstract
This article is the first of a two-part series on intracranial calcification in childhood. Intracranial calcification can be either physiological or pathological. Physiological intracranial calcification is not an expected neuroimaging finding in the neonatal or infantile period but occurs, as children grow older, in the pineal gland, habenula, choroid plexus and occasionally the dura mater. Pathological intracranial calcification can be broadly divided into infectious, congenital, endocrine/metabolic, vascular and neoplastic. The main goals in Part 1 are to discuss the chief differences between physiological and pathological intracranial calcification, to discuss the histological characteristics of intracranial calcification and how intracranial calcification can be detected across neuroimaging modalities, to emphasize the importance of age at presentation and intracranial calcification location, and to propose a comprehensive neuroimaging approach toward the differential diagnosis of the causes of intracranial calcification. Finally, in Part 1 the authors discuss the most common causes of infectious intracranial calcification, especially in the neonatal period, and congenital causes of intracranial calcification. Various neuroimaging modalities have distinct utilities and sensitivities in the depiction of intracranial calcification. Age at presentation, intracranial calcification location, and associated neuroimaging findings are useful information to help narrow the differential diagnosis of intracranial calcification. Intracranial calcification can occur in isolation or in association with other neuroimaging features. Intracranial calcification in congenital infections has been associated with clastic changes, hydrocephalus, chorioretinitis, white matter abnormalities, skull changes and malformations of cortical development. Infections are common causes of intracranial calcification, especially neonatal TORCH (toxoplasmosis, other [syphilis, varicella-zoster, parvovirus B19], rubella, cytomegalovirus and herpes) infections.
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27
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Aikman I, Makowski K, Wenger O, Rossman I, Solomon JD. Microcephaly, Hypotonia, and Intracranial Calcifications in an 11-Week-Old Boy. Pediatrics 2020; 146:peds.2019-2795. [PMID: 32820067 DOI: 10.1542/peds.2019-2795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/25/2020] [Indexed: 11/24/2022] Open
Abstract
An 11-week-old unvaccinated, term Amish boy initially presented with poor feeding, microcephaly, failure to thrive, and developmental delays. His physical examination was significant for both weight and head circumference being less than the third percentile, and he was noted to have micrognathia, truncal hypotonia, and head lag. He was admitted to the pediatric hospital medicine service for further diagnostic evaluation. Laboratory studies assessing for endocrinological and metabolic etiologies yielded negative results, and imaging studies (including a chest radiograph, echocardiogram, and abdominal ultrasound) were normal. However, intracranial calcifications were noted on a head ultrasound. The etiology of his constellation of symptoms was initially thought to be infectious, but the ultimate diagnosis was not made until after discharge from the pediatric hospital medicine service.
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Affiliation(s)
- Inga Aikman
- Akron Children's Hospital, Akron, Ohio; .,Division of Critical Care and Hospital Medicine, Department of Pediatrics, Brody School of Medicine, East Carolina University, Greenville, North Carolina; and
| | | | - Olivia Wenger
- Akron Children's Hospital, Akron, Ohio.,New Leaf Center, Mount Eaton, Ohio
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28
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Van Cauter S, Severino M, Ammendola R, Van Berkel B, Vavro H, van den Hauwe L, Rumboldt Z. Bilateral lesions of the basal ganglia and thalami (central grey matter)-pictorial review. Neuroradiology 2020; 62:1565-1605. [PMID: 32761278 PMCID: PMC7405775 DOI: 10.1007/s00234-020-02511-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 07/30/2020] [Indexed: 12/11/2022]
Abstract
The basal ganglia and thalami are paired deep grey matter structures with extensive metabolic activity that renders them susceptible to injury by various diseases. Most pathological processes lead to bilateral lesions, which may be symmetric or asymmetric, frequently showing characteristic patterns on imaging studies. In this comprehensive pictorial review, the most common and/or typical genetic, acquired metabolic/toxic, infectious, inflammatory, vascular and neoplastic pathologies affecting the central grey matter are subdivided according to the preferential location of the lesions: in the basal ganglia, in the thalami or both. The characteristic imaging findings are described with emphasis on the differential diagnosis and clinical context.
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Affiliation(s)
- Sofie Van Cauter
- Department of Medical Imaging, Ziekenhuis Oost-Limburg, Schiepse Bos 6, 3600, Genk, Belgium. .,Department of Radiology, University Hospitals Leuven, Herestraat 39, 3000, Leuven, Belgium.
| | - Mariasavina Severino
- Neuroradiology Unit, IRCCS Instituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147, Genoa, Italy
| | - Rosamaria Ammendola
- Neuroradiology Unit, IRCCS Instituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147, Genoa, Italy
| | - Brecht Van Berkel
- Department of Medical Imaging, Ziekenhuis Oost-Limburg, Schiepse Bos 6, 3600, Genk, Belgium.,Department of Radiology, University Hospitals Leuven, Herestraat 39, 3000, Leuven, Belgium
| | - Hrvoje Vavro
- Department of Diagnostic and Interventional Radiology, University Hospital Dubrava, Avenija Gojka Šuška 6, Zagreb, Croatia
| | - Luc van den Hauwe
- Department of Radiology, University Hospital Antwerp, Wilrijkstraat 10, 2650, Edegem, Belgium.,Department of Medical Imaging, AZ KLINA, Augustijnslei 100, 2930, Brasschaat, Belgium
| | - Zoran Rumboldt
- Department of Radiology, University of Rijeka School of Medicine, Ulica Braće Branchetta 20, 51000, Rijeka, Croatia.,Department of Radiology, Medical University of South Carolina, 96 Jonathan Lucas Street, Charleston, SC, 29425, USA
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29
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Evaluation of Physiological Intracranial Calcifications in Children Using Computed Tomography. SERBIAN JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2020. [DOI: 10.2478/sjecr-2020-0011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Introduction. Physiological intracranial calcifications have an increasing prevalence with the age and can be found in both children and in adults. These calcifications are basically asymptomatic and their presence can only be noticed through neuro-imaging.
The aim of the paper was to evaluate physiological intracranial calcifications in children using computed tomography, in our conditions.
Materials and methods. The study was designed as a retrospective, observational, non-randomized clinical study. It was conducted at the Department of Radiology, Clinical Center Kragujevac, Serbia. The study included all the patients scanned by CT from 1st October, 2008. to 30th September, 2018.. The criteria for the inclusion were: the patients aged up to 18 years who underwent a non-contrast computed tomography in the observed period, with diagnosed intracranial calcifications that do not have pathological etiology.
Results. Our study included 420 patients. Out of them, 213 (50.7%) were boys and 207 (49.3%) were girls. The mean age was 12.47. We divided the patients into two age categories: the first one included the patients aged 1 to 10 years and the other one included the patients aged 11 to 18 years. Our study has demonstrated that physiological intracranial calcifications are the most frequent in habenula (28.1%), followed by the pineal gland (22.6%) and choroid plexus (18.8%).
Conclusion. There is a small number of studies with the subject of physiological intracranial calcification distribution, especially in children. It is important to know in which locations we can expect physiological intracranial calcifications, as well as the age in which they become detectable by imaging, in order not to mix them with hemorrhages, pathological tumor or metabolic mineralization.
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30
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De Maré A, D’Haese PC, Verhulst A. The Role of Sclerostin in Bone and Ectopic Calcification. Int J Mol Sci 2020; 21:ijms21093199. [PMID: 32366042 PMCID: PMC7246472 DOI: 10.3390/ijms21093199] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 04/27/2020] [Accepted: 04/29/2020] [Indexed: 02/06/2023] Open
Abstract
Sclerostin, a 22-kDa glycoprotein that is mainly secreted by the osteocytes, is a soluble inhibitor of canonical Wnt signaling. Therefore, when present at increased concentrations, it leads to an increased bone resorption and decreased bone formation. Serum sclerostin levels are known to be increased in the elderly and in patients with chronic kidney disease. In these patient populations, there is a high incidence of ectopic cardiovascular calcification. These calcifications are strongly associated with cardiovascular morbidity and mortality. Although data are still controversial, it is likely that there is a link between ectopic calcification and serum sclerostin levels. The main question, however, remains whether sclerostin exerts either a protective or deleterious role in the ectopic calcification process.
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31
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Dong X, Tan NB, Howell KB, Barresi S, Freeman JL, Vecchio D, Piccione M, Radio FC, Calame D, Zong S, Eggers S, Scheffer IE, Tan TY, Van Bergen NJ, Tartaglia M, Christodoulou J, White SM. Bi-allelic LoF NRROS Variants Impairing Active TGF-β1 Delivery Cause a Severe Infantile-Onset Neurodegenerative Condition with Intracranial Calcification. Am J Hum Genet 2020; 106:559-569. [PMID: 32197075 PMCID: PMC7118692 DOI: 10.1016/j.ajhg.2020.02.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Accepted: 02/26/2020] [Indexed: 01/05/2023] Open
Abstract
Negative regulator of reactive oxygen species (NRROS) is a leucine-rich repeat-containing protein that uniquely associates with latent transforming growth factor beta-1 (TGF- β1) and anchors it on the cell surface; this anchoring is required for activation of TGF-β1 in macrophages and microglia. We report six individuals from four families with bi-allelic variants in NRROS. All affected individuals had neurodegenerative disease with refractory epilepsy, developmental regression, and reduced white matter volume with delayed myelination. The clinical course in affected individuals began with normal development or mild developmental delay, and the onset of seizures occurred within the first year of life, followed by developmental regression. Intracranial calcification was detected in three individuals. The phenotypic features in affected individuals are consistent with those observed in the Nrros knockout mouse, and they overlap with those seen in the human condition associated with TGF-β1 deficiency. The disease-causing NRROS variants involve two significant functional NRROS domains. These variants result in aberrant NRROS proteins with impaired ability to anchor latent TGF-β1 on the cell surface. Using confocal microscopy in HEK293T cells, we demonstrate that wild-type and mutant NRROS proteins co-localize with latent TGF-β1 intracellularly. However, using flow cytometry, we show that our mutant NRROS proteins fail to anchor latent TGF-β1 at the cell surface in comparison to wild-type NRROS. Moreover, wild-type NRROS rescues the defect of our disease-associated mutants in presenting latent TGF-β1 to the cell surface. Taken together, our findings suggest that loss of NRROS function causes a severe childhood-onset neurodegenerative condition with features suggestive of a disordered response to inflammation.
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Affiliation(s)
- Xiaomin Dong
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia
| | - Natalie B Tan
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia; Victorian Clinical Genetics Services, Parkville, Victoria 3052, Australia
| | - Katherine B Howell
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia; Department of Neurology, Royal Children's Hospital, Parkville, Victoria 3052, Australia
| | - Sabina Barresi
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Rome 00146, Italy
| | - Jeremy L Freeman
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Neurology, Royal Children's Hospital, Parkville, Victoria 3052, Australia
| | - Davide Vecchio
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Rome 00146, Italy
| | - Maria Piccione
- Department of Science for Health Promotion and Mother and Child Care, Università degli Studi di Palermo, Palermo 90127, Italy
| | | | - Daniel Calame
- Baylor College of Medicine, Houston, TX 77030, USA; Texas Children's Hospital, Houston, TX 77030, USA
| | - Shan Zong
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia
| | - Stefanie Eggers
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Victorian Clinical Genetics Services, Parkville, Victoria 3052, Australia
| | - Ingrid E Scheffer
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia; Department of Neurology, Royal Children's Hospital, Parkville, Victoria 3052, Australia; Department of Medicine, University of Melbourne, Austin Health, Heidelberg, Victoria 3084, Australia
| | - Tiong Y Tan
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia; Victorian Clinical Genetics Services, Parkville, Victoria 3052, Australia
| | - Nicole J Van Bergen
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia
| | - Marco Tartaglia
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Rome 00146, Italy
| | - John Christodoulou
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia; Victorian Clinical Genetics Services, Parkville, Victoria 3052, Australia.
| | - Susan M White
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia; Victorian Clinical Genetics Services, Parkville, Victoria 3052, Australia.
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Schottlaender LV, Abeti R, Jaunmuktane Z, Macmillan C, Chelban V, O’Callaghan B, McKinley J, Maroofian R, Efthymiou S, Athanasiou-Fragkouli A, Forbes R, Soutar MP, Livingston JH, Kalmar B, Swayne O, Hotton G, Pittman A, Mendes de Oliveira JR, de Grandis M, Richard-Loendt A, Launchbury F, Althonayan J, McDonnell G, Carr A, Khan S, Beetz C, Bisgin A, Tug Bozdogan S, Begtrup A, Torti E, Greensmith L, Giunti P, Morrison PJ, Brandner S, Aurrand-Lions M, Houlden H, Groppa S, Karashova BM, Nachbauer W, Boesch S, Arning L, Timmann D, Cormand B, Pérez-Dueñas B, Di Rosa G, Goraya JS, Sultan T, Mine J, Avdjieva D, Kathom H, Tincheva R, Banu S, Pineda-Marfa M, Veggiotti P, Ferrari MD, Verrotti A, Marseglia G, Savasta S, García-Silva M, Ruiz AM, Garavaglia B, Borgione E, Portaro S, Sanchez BM, Boles R, Papacostas S, Vikelis M, Papanicolaou EZ, Dardiotis E, Maqbool S, Ibrahim S, Kirmani S, Rana NN, Atawneh O, Koutsis G, Breza M, Mangano S, Scuderi C, Borgione E, Morello G, Stojkovic T, Zollo M, Heimer G, Dauvilliers YA, Striano P, Al-Khawaja I, Al-Mutairi F, Sherifa H. Bi-allelic JAM2 Variants Lead to Early-Onset Recessive Primary Familial Brain Calcification. Am J Hum Genet 2020; 106:412-421. [PMID: 32142645 PMCID: PMC7058839 DOI: 10.1016/j.ajhg.2020.02.007] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 02/10/2020] [Indexed: 01/30/2023] Open
Abstract
Primary familial brain calcification (PFBC) is a rare neurodegenerative disorder characterized by a combination of neurological, psychiatric, and cognitive decline associated with calcium deposition on brain imaging. To date, mutations in five genes have been linked to PFBC. However, more than 50% of individuals affected by PFBC have no molecular diagnosis. We report four unrelated families presenting with initial learning difficulties and seizures and later psychiatric symptoms, cerebellar ataxia, extrapyramidal signs, and extensive calcifications on brain imaging. Through a combination of homozygosity mapping and exome sequencing, we mapped this phenotype to chromosome 21q21.3 and identified bi-allelic variants in JAM2. JAM2 encodes for the junctional-adhesion-molecule-2, a key tight-junction protein in blood-brain-barrier permeability. We show that JAM2 variants lead to reduction of JAM2 mRNA expression and absence of JAM2 protein in patient’s fibroblasts, consistent with a loss-of-function mechanism. We show that the human phenotype is replicated in the jam2 complete knockout mouse (jam2 KO). Furthermore, neuropathology of jam2 KO mouse showed prominent vacuolation in the cerebral cortex, thalamus, and cerebellum and particularly widespread vacuolation in the midbrain with reactive astrogliosis and neuronal density reduction. The regions of the human brain affected on neuroimaging are similar to the affected brain areas in the myorg PFBC null mouse. Along with JAM3 and OCLN, JAM2 is the third tight-junction gene in which bi-allelic variants are associated with brain calcification, suggesting that defective cell-to-cell adhesion and dysfunction of the movement of solutes through the paracellular spaces in the neurovascular unit is a key mechanism in CNS calcification.
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Kasahara Y, Imamura M, Shin C, Shimizu H, Utsumi J, Hosokai R, Iwabuchi H, Takachi T, Kakita A, Kanegane H, Saitoh A, Imai C. Fatal Progressive Meningoencephalitis Diagnosed in Two Members of a Family With X-Linked Agammaglobulinemia. Front Pediatr 2020; 8:579. [PMID: 33042921 PMCID: PMC7530192 DOI: 10.3389/fped.2020.00579] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 08/06/2020] [Indexed: 01/03/2023] Open
Abstract
Chronic enteroviral meningoencephalitis is a well-known complication in patients with X-linked agammaglobulinemia (XLA). However, progressive neurodegenerative disorders or chronic neuroinflammatory diseases with no causative microorganisms have been recognized as rare central nervous system (CNS) complications in XLA. We herein report a family in which two of three members with XLA had developed progressive meningoencephalitis with an unknown etiology. A 15-month-old male infant presented with left-sided ptosis. Initially, the family denied any family history of inherited diseases, but later disclosed a family history of agammaglobulinemia previously diagnosed in two family members. In the early 1980s, one of the elder brothers of the index patient's mother who had been treated with intramuscular immunoglobulin [or later intravenous immunoglobulin (IVIG)] for agammaglobulinemia deceased at 10 years of age after showing progressive neurological deterioration during the last several years of his life. The index patient was diagnosed with XLA caused by Bruton tyrosine kinase deficiency (654delG; Val219Leufs*9), and chronic meningoencephalitis with an unknown infectious etiology. Magnetic resonance imaging of the brain demonstrated inflammatory changes in the basal ganglia, hypothalamus, midbrain, and pons, with multiple nodular lesions with ring enhancement, which showed impressive amelioration after the initiation of IVIG replacement therapy. Pleocytosis, which was characterized by an increase in CD4-positive and CD8-positive T cells expressing an activation marker and an elevation in inflammatory cytokines in the cerebrospinal fluid, was identified. No microorganism was identified as a cause of CNS complications. He thereafter developed brain infarction at 19 months of age and fatal status epilepticus at 5 years of age, despite regular IVIG with high trough levels and regular intraventricular immunoglobulin administration. The etiology of this rare CNS complication in XLA is currently unknown. Previous studies have suggested a possible association of IVIG, which was clearly denied in our index case because of the demonstration of his neurological disorder at presentation. In the future, extensive and unbiased molecular methods to detect causative microorganisms, as well as to investigate the possible role of autoimmunity are needed to clarify the etiology of CNS complications.
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Affiliation(s)
- Yasushi Kasahara
- Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Masaru Imamura
- Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Chansu Shin
- Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Hiroshi Shimizu
- Department of Pathology, Brain Research Institute, Niigata University, Niigata, Japan
| | - Jirou Utsumi
- Department of Pediatrics, Niigata Cancer Center Hospital, Niigata, Japan
| | - Ryosuke Hosokai
- Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Haruko Iwabuchi
- Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Takayuki Takachi
- Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Akiyoshi Kakita
- Department of Pathology, Brain Research Institute, Niigata University, Niigata, Japan
| | - Hirokazu Kanegane
- Department of Pediatrics, Graduate School of Medicine, University of Toyama, Toyama, Japan.,Department of Child Health and Development, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Akihiko Saitoh
- Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Chihaya Imai
- Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Pathological Mineralization: The Potential of Mineralomics. MATERIALS 2019; 12:ma12193126. [PMID: 31557841 PMCID: PMC6804219 DOI: 10.3390/ma12193126] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 09/11/2019] [Accepted: 09/19/2019] [Indexed: 12/11/2022]
Abstract
Pathological mineralization has been reported countless times in the literature and is a well-known phenomenon in the medical field for its connections to a wide range of diseases, including cancer, cardiovascular, and neurodegenerative diseases. The minerals involved in calcification, however, have not been directly studied as extensively as the organic components of each of the pathologies. These have been studied in isolation and, for most of them, physicochemical properties are hitherto not fully known. In a parallel development, materials science methods such as electron microscopy, spectroscopy, thermal analysis, and others have been used in biology mainly for the study of hard tissues and biomaterials and have only recently been incorporated in the study of other biological systems. This review connects a range of soft tissue diseases, including breast cancer, age-related macular degeneration, aortic valve stenosis, kidney stone diseases, and Fahr’s syndrome, all of which have been associated with mineralization processes. Furthermore, it describes how physicochemical material characterization methods have been used to provide new information on such pathologies. Here, we focus on diseases that are associated with calcium-composed minerals to discuss how understanding the properties of these minerals can provide new insights on their origins, considering that different conditions and biological features are required for each type of mineral to be formed. We show that mineralomics, or the study of the properties and roles of minerals, can provide information which will help to improve prevention methods against pathological mineral build-up, which in the cases of most of the diseases mentioned in this review, will ultimately lead to new prevention or treatment methods for the diseases. Importantly, this review aims to highlight that chemical composition alone cannot fully support conclusions drawn on the nature of these minerals.
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Saade C, Najem E, Asmar K, Salman R, El Achkar B, Naffaa L. Intracranial calcifications on CT: an updated review. J Radiol Case Rep 2019; 13:1-18. [PMID: 31558966 DOI: 10.3941/jrcr.v13i8.3633] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Intracranial calcifications are frequently encountered in non-contrast computed tomography scan in both adult and pediatric age groups. They refer to calcifications within the brain parenchyma or vasculature and can be classified into several major categories: physiologic/age-related, dystrophic, congenital disorders/phakomatoses, infectious, vascular, neoplastic, metabolic/endocrine, inflammatory and toxic diseases. In this updated review, we present a wide spectrum of intracranial calcifications from both pediatric and adult populations focusing on their pattern, size and location.
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Affiliation(s)
- Charbel Saade
- Department of Medical Imaging Sciences, American University of Beirut Medical Center, Beirut, Lebanon
| | - Elie Najem
- Department of Diagnostic Radiology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Karl Asmar
- Department of Diagnostic Radiology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Rida Salman
- Department of Diagnostic Radiology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Bassam El Achkar
- Department of Diagnostic Radiology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Lena Naffaa
- Department of Diagnostic Radiology, American University of Beirut Medical Center, Beirut, Lebanon
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36
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The Spectrum of Developmental Disability with Zika Exposure: What Is Known, What Is Unknown, and Implications for Clinicians. J Dev Behav Pediatr 2019; 40:387-395. [PMID: 30921103 PMCID: PMC7713528 DOI: 10.1097/dbp.0000000000000665] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Clinicians who treat children with neurodevelopmental disabilities may encounter infants with congenital Zika syndrome or those exposed to Zika virus (ZIKV), either in utero or postnatally, in their practice and may have questions about diagnosis, management, and prognosis. In this special report, we reviewed the current literature to provide a comprehensive understanding of the findings and needs of children exposed to ZIKV in utero and postnatally. The current literature is sparse, and thus, this review is preliminary. We found that infants and children exposed to ZIKV in utero have a variety of health and developmental outcomes that suggest a wide range of lifelong physical and developmental needs. Postnatal exposure does not seem to have significant long-lasting health or developmental effects. We provide a comprehensive examination of the current knowledge on health and developmental care needs in children exposed to Zika in utero and postnatally. This can serve as a guide for health care professionals on the management and public health implications of this newly recognized population.
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Voronovich ZA, Wolfe K, Foster K, Sorte D, Carlson AP. Restrictive cerebral cortical venopathy: A new clinicopathological entity. Interv Neuroradiol 2019; 25:322-329. [PMID: 31138039 DOI: 10.1177/1591019918821861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We present a case of a novel restrictive cerebral venopathy in a child, consisting of a bilateral network of small to medium cortical veins without evidence of arteriovenous shunting, absence of the deep venous system, venous ischemia, elevated intracranial pressure, and intracranial calcifications. The condition is unlike other diseases characterized by networks of small veins, including cerebral proliferative angiopathy, Sturge-Weber syndrome, or developmental venous anomaly. While this case may be the result of an anatomic variation leading to the congenital absence of or early occlusion of the deep venous system, the insidious nature over many years argues against this. The absence of large cortical veins suggests a congenital abnormality of the venous structure. The child's presentation with a seizure-like event followed by protracted hemiparesis is consistent with venous ischemia. We propose that this is likely to represent a new clinicopathological entity.
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Affiliation(s)
- Zoya A Voronovich
- 1 Department of Neurosurgery, University of New Mexico Health Sciences Center, Albuquerque, USA
| | - Kathy Wolfe
- 2 Department of Neurology, University of New Mexico Health Sciences Center, Albuquerque, USA
| | - Kimberly Foster
- 1 Department of Neurosurgery, University of New Mexico Health Sciences Center, Albuquerque, USA
| | - Danielle Sorte
- 1 Department of Neurosurgery, University of New Mexico Health Sciences Center, Albuquerque, USA.,3 Department of Radiology, University of New Mexico Health Sciences Center, Albuquerque, USA
| | - Andrew P Carlson
- 1 Department of Neurosurgery, University of New Mexico Health Sciences Center, Albuquerque, USA
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Rodrigues M, Nunes J, Figueiredo S, Martins de Campos A, Geraldo AF. Neuroimaging assessment in Down syndrome: a pictorial review. Insights Imaging 2019; 10:52. [PMID: 31111268 PMCID: PMC6527671 DOI: 10.1186/s13244-019-0729-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 03/07/2019] [Indexed: 02/08/2023] Open
Abstract
Down syndrome (DS), or trisomy 21, is the leading genetic cause of intellectual incapacity worldwide, with a reported incidence of about 1 in 1,000 to 1 in 1,100 live births. Besides the several commonly known physical features characteristic of this syndrome present at birth, DS may additionally affect every organ system. In addition, despite the large number of published papers concerning this syndrome, there is scarce literature focusing specifically in the typical neuroimaging features associated with this condition. The aim of this paper is to review and systematize the distinctive characteristics and abnormalities of the central nervous system, head and neck, and spine present in DS patients that should actively be searched for and evaluated by radiologists and/or neuroradiologists.
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Affiliation(s)
- Marta Rodrigues
- Neuroradiology Department, Centro Hospitalar de Vila Nova de Gaia/Espinho, R. Conceição Fernandes, 1079, Vila Nova de Gaia, Portugal.
| | - Joana Nunes
- Neuroradiology Department, Centro Hospitalar de Vila Nova de Gaia/Espinho, R. Conceição Fernandes, 1079, Vila Nova de Gaia, Portugal
| | - Sofia Figueiredo
- Neurology Department, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | | | - Ana Filipa Geraldo
- Neuroradiology Department, Centro Hospitalar de Vila Nova de Gaia/Espinho, R. Conceição Fernandes, 1079, Vila Nova de Gaia, Portugal
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Mouse Strain and Sex-Dependent Differences in Long-term Behavioral Abnormalities and Neuropathologies after Developmental Zika Infection. J Neurosci 2019; 39:5393-5403. [PMID: 31085612 DOI: 10.1523/jneurosci.2666-18.2019] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 03/25/2019] [Accepted: 04/14/2019] [Indexed: 12/13/2022] Open
Abstract
Exposure of the developing fetus to Zika virus (ZIKV) results in a set of brain abnormalities described as the congenital Zika syndrome. Although microcephaly is the most obvious outcome, neuropathologies, such as intracranial calcifications and polymicrogyria, can occur in the absence of microcephaly. Moreover, the full impact of exposure on motor, social, and cognitive skills during development remains uncharacterized. We examined the long-term neurobehavioral consequences of neonatal ZIKV exposure in four genetically divergent inbred mouse strains (C57BL/6J, 129S1/SvImJ, FVB/NJ, and DBA/2J). Male and female mice were infected on postnatal day 1, considered comparable with exposure late in the second trimester of humans. We demonstrate strain differences in early susceptibility to the virus and the time course of glial reaction in the brain. These changes were associated with strain- and sex-dependent differences in long-term behavioral abnormalities that include hyperactivity, impulsiveness, and motor incoordination. In addition, the adult brains of susceptible mice exhibited widespread calcifications that may underlie the behavioral deficits observed. Characterization of the neuropathological sequelae of developmental exposure to the Zika virus in different immunocompetent mouse strains provides a foundation for identifying genetic and immune factors that contribute to long-term neurobehavioral consequences in susceptible individuals.SIGNIFICANCE STATEMENT Developmental Zika virus (ZIKV) infection is now known to cause brain abnormalities in infants that do not display microcephaly at birth, and the full impact of these more subtle neuropathologies has yet to be determined. We demonstrate in a mouse model that long-lasting behavioral aberrations occur after developmental ZIKV exposure. We compare four divergent mouse strains and find that the effects of Zika infection differ greatly between strains, in terms of behavioral changes, sex differences, and the intracranial calcifications that develop in the brains of susceptible mice. These findings provide a foundation for identifying susceptibility factors that lead to the development of abnormal behaviors secondary to ZIKV infection early in life.
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40
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Updated Imaging Findings in Congenital Zika Syndrome: A Disease Story That is Still Being Written. Top Magn Reson Imaging 2019; 28:1-14. [PMID: 30817674 DOI: 10.1097/rmr.0000000000000193] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
In congenital Zika virus syndrome (CZS), the most frequent radiological findings are calcifications in the cortical-white matter junction and malformations of cortical development (pachygyria or polymicrogyria, which occur predominantly in the frontal lobes, or a simplified gyral pattern), ventriculomegaly, enlargement of the cisterna magna and the extra-axial subarachnoid space, corpus callosum abnormalities, and reduced brain volume. This syndrome can also result in a decrease in the brainstem and cerebellum volumes and delayed myelination. Infants with CZS may show venous thrombosis and lenticulostriate vasculopathies. Over a 3-year follow-up period, many infants with CZS showed hydrocephalus, reduction in brain calcifications, and greater reduction in brain thickness.
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41
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Issa R, Barakat A, Salman R, Naffaa L. Vein of Galen Malformation, a cause of Intracranial Calcification: Case Report and Review of Literature. J Radiol Case Rep 2019; 13:13-18. [PMID: 31565173 DOI: 10.3941/jrcr.v13i3.3456] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Intracranial calcifications in the pediatric population can have many etiologies including neoplastic, infectious, neurodegenerative, metabolic, or cerebrovascular abnormalities. We present the case of a 2-year-old boy with vein of Galen malformation, a rare cause of intracranial calcifications with a review of literature.
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Affiliation(s)
- Rayane Issa
- Department of Diagnostic Radiology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Andrew Barakat
- Department of Diagnostic Radiology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Rida Salman
- Department of Diagnostic Radiology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Lena Naffaa
- Department of Diagnostic Radiology, American University of Beirut Medical Center, Beirut, Lebanon
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42
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Tonduti D, Panteghini C, Pichiecchio A, Decio A, Carecchio M, Reale C, Moroni I, Nardocci N, Campistol J, Garcia-Cazorla A, Perez Duenas B, Chiapparini L, Garavaglia B, Orcesi S. Encephalopathies with intracranial calcification in children: clinical and genetic characterization. Orphanet J Rare Dis 2018; 13:135. [PMID: 30111349 PMCID: PMC6094574 DOI: 10.1186/s13023-018-0854-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 06/21/2018] [Indexed: 01/11/2023] Open
Abstract
Background We present a group of patients affected by a paediatric onset genetic encephalopathy with cerebral calcification of unknown aetiology studied with Next Generation Sequencing (NGS) genetic analyses. Methods We collected all clinical and radiological data. DNA samples were tested by means of a customized gene panel including fifty-nine genes associated with known genetic diseases with cerebral calcification. Results We collected a series of fifty patients. All patients displayed complex and heterogeneous phenotypes mostly including developmental delay and pyramidal signs and less frequently movement disorder and epilepsy. Signs of cerebellar and peripheral nervous system involvement were occasionally present. The most frequent MRI abnormality, beside calcification, was the presence of white matter alterations; calcification was localized in basal ganglia and cerebral white matter in the majority of cases. Sixteen out of fifty patients tested positive for mutations in one of the fifty-nine genes analyzed. In fourteen cases the analyses led to a definite genetic diagnosis while results were controversial in the remaining two. Conclusions Genetic encephalopathies with cerebral calcification are usually associated to complex phenotypes. In our series, a molecular diagnosis was achieved in 32% of cases, suggesting that the molecular bases of a large number of disorders are still to be elucidated. Our results confirm that cerebral calcification is a good criterion to collect homogeneous groups of patients to be studied by exome or whole genome sequencing; only a very close collaboration between clinicians, neuroradiologists and geneticists can provide better results from these new generation molecular techniques.
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Affiliation(s)
- Davide Tonduti
- Child Neurology Unit, IRCCS Foundation C. Besta Neurological Institute, Milan, Italy. .,Child Neurology Unit, V. Buzzi Children's Hospital, Milan, Italy.
| | - Celeste Panteghini
- Molecular Neurogenetics Unit, Movement Disorders Diagnostic Section, IRCCS Foundation C. Besta Neurological Institute, Milan, Italy
| | - Anna Pichiecchio
- Department of Neuroradiology, IRCCS Mondino Foundation, Pavia, Italy
| | - Alice Decio
- Child Neurology and Psychiatry Unit, IRCCS Mondino Foundation, Pavia, Italy.,Neuropsychiatry and Neurorehabilitation Unit, IRCCS Medea, Bosisio Parini Lecco, Italy
| | - Miryam Carecchio
- Child Neurology Unit, IRCCS Foundation C. Besta Neurological Institute, Milan, Italy.,Molecular Neurogenetics Unit, Movement Disorders Diagnostic Section, IRCCS Foundation C. Besta Neurological Institute, Milan, Italy.,Department of Medicine and Surgery, PhD Programme in Molecular and Translational Medicine, University of Milan Bicocca, Monza, Italy
| | - Chiara Reale
- Molecular Neurogenetics Unit, Movement Disorders Diagnostic Section, IRCCS Foundation C. Besta Neurological Institute, Milan, Italy
| | - Isabella Moroni
- Child Neurology Unit, IRCCS Foundation C. Besta Neurological Institute, Milan, Italy
| | - Nardo Nardocci
- Child Neurology Unit, IRCCS Foundation C. Besta Neurological Institute, Milan, Italy
| | - Jaume Campistol
- Department of Child Neurology, Pediatric Research Institute, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Angela Garcia-Cazorla
- Department of Child Neurology, Pediatric Research Institute, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Belen Perez Duenas
- Department of Child Neurology, Pediatric Research Institute, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | | | - Luisa Chiapparini
- Department of Neuroradiology, IRCCS Foundation C. Besta Neurological Institute, Milan, Italy
| | - Barbara Garavaglia
- Molecular Neurogenetics Unit, Movement Disorders Diagnostic Section, IRCCS Foundation C. Besta Neurological Institute, Milan, Italy
| | - Simona Orcesi
- Child Neurology and Psychiatry Unit, IRCCS Mondino Foundation, Pavia, Italy
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Hishikawa N, Fukui Y, Sato K, Takemoto M, Yamashita T, Ohta Y, Abe K. A Unique Case with Oral Dyskinesia, Chorea, Ataxia, and Mild Cognitive Impairment with Caudate Atrophy and Characteristic Brain Calcifications. Intern Med 2018; 57:2399-2402. [PMID: 29607952 PMCID: PMC6148178 DOI: 10.2169/internalmedicine.9454-17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The authors report a man who developed oral dyskinesia at 46 years of age, followed by slowly progressive choreic movement and mild cognitive impairment over 20 years. He showed caudate atrophy and four types of intracranial calcification in the hippocampus (dot-like), cerebellar white matter (vague-mass), occipital cortices (laminar), and cerebral white matter (linear). Linear-calcification in the corona radiata seems to be deposition along small veins, which may be related to the white matter changes and to the decreased regional cerebral blood flow in the frontal and parietal lobes. The present case shows a slowly progressive disease with caudate atrophy and characteristic brain calcifications.
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Affiliation(s)
- Nozomi Hishikawa
- Department of Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Japan
| | - Yusuke Fukui
- Department of Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Japan
| | - Kota Sato
- Department of Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Japan
| | - Mami Takemoto
- Department of Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Japan
| | - Toru Yamashita
- Department of Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Japan
| | - Yasuyuki Ohta
- Department of Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Japan
| | - Koji Abe
- Department of Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Japan
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da Silva AF. Differential diagnosis of pathological intracranial calcifications in patients with microcephaly related to congenital Zika virus infection. Radiol Bras 2018; 51:270-271. [PMID: 30202134 PMCID: PMC6124590 DOI: 10.1590/0100-3984.2016.0219] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Al-Zaghal A, Mehdizadeh Seraj S, Werner TJ, Gerke O, Høilund-Carlsen PF, Alavi A. Assessment of Physiological Intracranial Calcification in Healthy Adults Using 18F-NaF PET/CT. J Nucl Med 2018; 60:jnumed.118.213678. [PMID: 30002111 DOI: 10.2967/jnumed.118.213678] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 06/18/2018] [Indexed: 11/16/2022] Open
Abstract
The aim of this research study was to determine the role of 18F-Sodium fluoride (NaF) PET/CT imaging in the assessment of physiologic molecular calcification in the intra-cranial structures. We also examined the association of NaF accumulation with age as well as Hounsfield unit (HU) in certain anatomical sites that are known to calcify with normal aging. Methods: A total of 78 healthy subjects from the Cardiovascular Molecular Calcification Assessed by 18F-NaF PET/CT (CAMONA) clinical trial (38 females and 40 males) were included in this retrospective study. The mean age was 45.28 ±14.15 years (21-75). Mean standardized uptake values (SUVmean) was used to measure NaF accumulation in the choroid plexus and epithalamus (pineal gland and habenula). Maximum HU was also measured for each ROI. Correlation analysis was conducted to assess the association between parameters. Results: Mean SUVmean was 0.42 ± 0.26 in the right choroid plexus, 0.39 ±25 in the left choroid plexus, and 0.23±0.08 in the epithalamus. Significant positive correlations were present between NaF uptake and age in the right choroid plexus (r=0.61, P < 0.0001), left choroid plexus (r=0.63, p<0.0001), and epithalamus (r=0.36, P = 0.001). NaF uptake significantly correlated with HU in the right choroid plexus (r=0.52, P < 0.0001), left choroid plexus (r=0.57, p<0.0001), and epithalamus (r=0.25, P = 0.03). Conclusion: NaF could be used in the assessment of physiological calcification in several intracranial structures. We report significant associations between NaF uptake and aging as well as HU in the calcified choroid plexus and epithalamus. Our findings further support the growing interest to utilize NaF for detecting extra-osseous, molecular calcification, and this powerful probe has potential applications in the evaluation of various age-related, neurodegenerative brain processes.
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Affiliation(s)
| | | | | | | | | | - Abass Alavi
- Hospital of the University of Pennsylvania, United States
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Wu S, Zeng Y, Lerner A, Gao B, Law M. Nervous System Injury and Neuroimaging of Zika Virus Infection. Front Neurol 2018; 9:227. [PMID: 29740383 PMCID: PMC5926540 DOI: 10.3389/fneur.2018.00227] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 03/23/2018] [Indexed: 01/12/2023] Open
Abstract
In 2016, World Health Organization announced Zika virus infection and its neurological sequalae are a public health emergency of global scope. Preliminary studies have confirmed a relationship between Zika virus infection and certain neurological disorders, including microcephaly and Guillain–Barre syndrome (GBS). The neuroimaging features of microcephaly secondary to Zika virus infection include calcifications at the junction of gray–white matter and subcortical white matter with associated cortical abnormalities, diminution of white matter, large ventricles with or without hydrocephalus, cortical malformations, hypoplasia of cerebellum and brainstem, and enlargement of cerebellomedullary cistern. Contrast enhancement of the cauda equine nerve roots is the typical neuroimaging finding of GBS associated with Zika virus. This review describes the nervous system disorders and associated imaging findings seen in Zika virus infection, with the aim to improve the understanding of this disease. Imaging plays a key role on accurate diagnosis and prognostic evaluation of this disease.
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Affiliation(s)
- Shanshan Wu
- Department of Radiology, Affiliated Hospital of Guizhou Medical University, Guiyang, China.,Department of Radiology, Yantai Yuhuangding Hospital, Yantai, China
| | - Yu Zeng
- Department of Radiology, Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Alexander Lerner
- Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
| | - Bo Gao
- Department of Radiology, Yantai Yuhuangding Hospital, Yantai, China
| | - Meng Law
- Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
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Baltimore RS, Nimkin K, Sparger KA, Pierce VM, Plotkin SA. Case 4-2018: A Newborn with Thrombocytopenia, Cataracts, and Hepatosplenomegaly. N Engl J Med 2018; 378:564-572. [PMID: 29414276 DOI: 10.1056/nejmcpc1706110] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Robert S Baltimore
- From the Departments of Pediatrics and Infection Prevention, Yale New Haven Children's Hospital, and the Departments of Pediatrics and Epidemiology, Yale School of Medicine and Yale School of Public Health, New Haven, CT (R.S.B.); the Departments of Radiology (K.N.), Pediatrics (K.A.S., V.M.P.), and Pathology (V.M.P.), Massachusetts General Hospital, and the Departments of Radiology (K.N.), Pediatrics (K.A.S.), and Pathology (V.M.P.), Harvard Medical School - both in Boston; and the Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia (S.A.P.)
| | - Katherine Nimkin
- From the Departments of Pediatrics and Infection Prevention, Yale New Haven Children's Hospital, and the Departments of Pediatrics and Epidemiology, Yale School of Medicine and Yale School of Public Health, New Haven, CT (R.S.B.); the Departments of Radiology (K.N.), Pediatrics (K.A.S., V.M.P.), and Pathology (V.M.P.), Massachusetts General Hospital, and the Departments of Radiology (K.N.), Pediatrics (K.A.S.), and Pathology (V.M.P.), Harvard Medical School - both in Boston; and the Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia (S.A.P.)
| | - Katherine A Sparger
- From the Departments of Pediatrics and Infection Prevention, Yale New Haven Children's Hospital, and the Departments of Pediatrics and Epidemiology, Yale School of Medicine and Yale School of Public Health, New Haven, CT (R.S.B.); the Departments of Radiology (K.N.), Pediatrics (K.A.S., V.M.P.), and Pathology (V.M.P.), Massachusetts General Hospital, and the Departments of Radiology (K.N.), Pediatrics (K.A.S.), and Pathology (V.M.P.), Harvard Medical School - both in Boston; and the Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia (S.A.P.)
| | - Virginia M Pierce
- From the Departments of Pediatrics and Infection Prevention, Yale New Haven Children's Hospital, and the Departments of Pediatrics and Epidemiology, Yale School of Medicine and Yale School of Public Health, New Haven, CT (R.S.B.); the Departments of Radiology (K.N.), Pediatrics (K.A.S., V.M.P.), and Pathology (V.M.P.), Massachusetts General Hospital, and the Departments of Radiology (K.N.), Pediatrics (K.A.S.), and Pathology (V.M.P.), Harvard Medical School - both in Boston; and the Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia (S.A.P.)
| | - Stanley A Plotkin
- From the Departments of Pediatrics and Infection Prevention, Yale New Haven Children's Hospital, and the Departments of Pediatrics and Epidemiology, Yale School of Medicine and Yale School of Public Health, New Haven, CT (R.S.B.); the Departments of Radiology (K.N.), Pediatrics (K.A.S., V.M.P.), and Pathology (V.M.P.), Massachusetts General Hospital, and the Departments of Radiology (K.N.), Pediatrics (K.A.S.), and Pathology (V.M.P.), Harvard Medical School - both in Boston; and the Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia (S.A.P.)
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Sporadic Cerebral Amyloid Angiopathy With Cortical Occipital Calcifications in the Elderly. Alzheimer Dis Assoc Disord 2018; 32:83-84. [DOI: 10.1097/wad.0000000000000218] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Aragao MFVV, Holanda AC, Brainer-Lima AM, Petribu NCL, Castillo M, van der Linden V, Serpa SC, Tenório AG, Travassos PTC, Cordeiro MT, Sarteschi C, Valenca MM, Costello A. Nonmicrocephalic Infants with Congenital Zika Syndrome Suspected Only after Neuroimaging Evaluation Compared with Those with Microcephaly at Birth and Postnatally: How Large Is the Zika Virus "Iceberg"? AJNR Am J Neuroradiol 2017; 38:1427-1434. [PMID: 28522665 DOI: 10.3174/ajnr.a5216] [Citation(s) in RCA: 98] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Accepted: 03/06/2017] [Indexed: 12/30/2022]
Abstract
BACKGROUND AND PURPOSE Although microcephaly is the most prominent feature of congenital Zika syndrome, a spectrum with less severe cases is starting to be recognized. Our aim was to review neuroimaging of infants to detect cases without microcephaly and compare them with those with microcephaly. MATERIALS AND METHODS We retrospectively evaluated all neuroimaging (MR imaging/CT) of infants 1 year of age or younger. Patients with congenital Zika syndrome were divided into those with microcephaly at birth, postnatal microcephaly, and without microcephaly. Neuroimaging was compared among groups. RESULTS Among 77 infants, 24.6% had congenital Zika syndrome (11.7% microcephaly at birth, 9.1% postnatal microcephaly, 3.9% without microcephaly). The postnatal microcephaly and without microcephaly groups showed statistically similar imaging findings. The microcephaly at birth compared with the group without microcephaly showed statistically significant differences for the following: reduced brain volume, calcifications outside the cortico-subcortical junctions, corpus callosum abnormalities, moderate-to-severe ventriculomegaly, an enlarged extra-axial space, an enlarged cisterna magna (all absent in those without microcephaly), and polymicrogyria (the only malformation present without microcephaly). There was a trend toward pachygyria (absent in groups without microcephaly). The group with microcephaly at birth compared with the group with postnatal microcephaly showed significant differences for simplified gyral pattern, calcifications outside the cortico-subcortical junctions, corpus callosum abnormalities, moderate-to-severe ventriculomegaly, and an enlarged extra-axial space. CONCLUSIONS In microcephaly at birth, except for polymicrogyria, all patients showed abnormalities described in the literature. In postnatal microcephaly, the only abnormalities not seen were a simplified gyral pattern and calcifications outside the cortico-subcortical junction. Infants with normocephaly presented with asymmetric frontal polymicrogyria, calcifications in the cortico-subcortical junction, mild ventriculomegaly, and delayed myelination.
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Affiliation(s)
- M F V V Aragao
- From the Centro Diagnostico Multimagem (M.F.V.V.A.), Recife, Brazil
| | - A C Holanda
- Federal University of Pernambuco (A.C.H.), Recife, Brazil
| | - A M Brainer-Lima
- Pronto-Socorro Cardiológico de Pernambuco (Procape) (A.M.B.-L., M.M.V.), University of Pernambuco, Recife, Brazil
| | | | - M Castillo
- Department of Radiology (M.C.), University of North Carolina, Chapel Hill, North Carolina
| | - V van der Linden
- Association for Assistance of Disabled Children (V.v.d.L.), Recife, Brazil
| | - S C Serpa
- Clínica de Apoio Ocupacional (S.C.S.), Jaboatão dos Guararapes, Brazil
| | - A G Tenório
- Dom Malan Hospital (A.G.T.), Petrolina, Brazil
| | | | - M T Cordeiro
- Centro de Pesquisas Aggeu Magalhães (M.T.C., C.S.), Fiocruz, Recife, Brazil
| | - C Sarteschi
- Centro de Pesquisas Aggeu Magalhães (M.T.C., C.S.), Fiocruz, Recife, Brazil
| | - M M Valenca
- Pronto-Socorro Cardiológico de Pernambuco (Procape) (A.M.B.-L., M.M.V.), University of Pernambuco, Recife, Brazil
| | - A Costello
- Department of Maternal, Child, and Adolescent Health (A.C.), World Health Organization, Geneva, Switzerland
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Cui L, Zou P, Chen E, Yao H, Zheng H, Wang Q, Zhu JN, Jiang S, Lu L, Zhang J. Visual and Motor Deficits in Grown-up Mice with Congenital Zika Virus Infection. EBioMedicine 2017; 20:193-201. [PMID: 28583742 PMCID: PMC5478201 DOI: 10.1016/j.ebiom.2017.04.029] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 04/11/2017] [Accepted: 04/20/2017] [Indexed: 01/27/2023] Open
Abstract
Human infants with congenital Zika virus (ZIKV) infection exhibit a range of symptoms including microcephaly, intracranial calcifications, macular atrophy and arthrogryposis. More importantly, prognosis data have lagged far behind the recent outbreak of ZIKV in 2015. In this work, we allow congenitally ZIKV-infected mice to grow into puberty. These mice exhibited motor incoordination and visual dysfunctions, which can be accounted by anatomical defects in the retina and cerebellar cortex. In contrary, anxiety level of the ZIKV-infected mice is normal. The spectrum of anatomical and behavioral deficits is consistent across different mice. Our data provided evidence that may help predict the public health burden in terms of prognosis of ZIKV-related congenital brain malformations in an animal model. Our study provided behavioral evaluation for the prognosis of congenital ZIKV infection and provides a platform for screening and evaluation of drugs candidates and treatment aiming at improving regeneration of infected neurons to prevent sequelae caused by ZIKV infection of fetus.
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Affiliation(s)
- Liyuan Cui
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology, Collaborative Innovation Center of Brain Science, Key Laboratory of Medical Molecular Virology of Ministry of Education/Ministry of Health and Shanghai Public Health Clinical Center, Fudan University, Shanghai 200032, China
| | - Peng Zou
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology, Collaborative Innovation Center of Brain Science, Key Laboratory of Medical Molecular Virology of Ministry of Education/Ministry of Health and Shanghai Public Health Clinical Center, Fudan University, Shanghai 200032, China
| | - Er Chen
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology, Collaborative Innovation Center of Brain Science, Key Laboratory of Medical Molecular Virology of Ministry of Education/Ministry of Health and Shanghai Public Health Clinical Center, Fudan University, Shanghai 200032, China
| | - Hao Yao
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 Wan Ping Nan Road, Shanghai 200030, China
| | - Hao Zheng
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology, Collaborative Innovation Center of Brain Science, Key Laboratory of Medical Molecular Virology of Ministry of Education/Ministry of Health and Shanghai Public Health Clinical Center, Fudan University, Shanghai 200032, China
| | - Qian Wang
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology, Collaborative Innovation Center of Brain Science, Key Laboratory of Medical Molecular Virology of Ministry of Education/Ministry of Health and Shanghai Public Health Clinical Center, Fudan University, Shanghai 200032, China
| | - Jing-Ning Zhu
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Biological Science and Technology, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China
| | - Shibo Jiang
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology, Collaborative Innovation Center of Brain Science, Key Laboratory of Medical Molecular Virology of Ministry of Education/Ministry of Health and Shanghai Public Health Clinical Center, Fudan University, Shanghai 200032, China.
| | - Lu Lu
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology, Collaborative Innovation Center of Brain Science, Key Laboratory of Medical Molecular Virology of Ministry of Education/Ministry of Health and Shanghai Public Health Clinical Center, Fudan University, Shanghai 200032, China.
| | - Jiayi Zhang
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology, Collaborative Innovation Center of Brain Science, Key Laboratory of Medical Molecular Virology of Ministry of Education/Ministry of Health and Shanghai Public Health Clinical Center, Fudan University, Shanghai 200032, China.
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