Research Topics
Genomes and GenesSpecies | R GuerriniSummaryAffiliation: University of Florence Country: Italy Publications
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Publications
Malformations of cortical development and aberrant cortical networks: epileptogenesis and functional organizationRenzo Guerrini
Pediatric Neurology Unit and Laboratories, Children s Hospital A Meyer University of Florence, Firenze, Italy
J Clin Neurophysiol 27:372-9. 2010..Surgical planning for associated epilepsy should therefore be based on individual assessments of structural imaging and of the major functions relevant to the area in question in the individual patient...
Myoclonus and epilepsyRenzo Guerrini
Pediatric Neurology Unit and Laboratories, Children s Hospital A Meyer University of Florence, Florence, Italy Electronic address
Handb Clin Neurol 111:667-79. 2013..In patients with cortical tremor this correlation is less obvious and requires neurophysiological studies to be demonstrated...
Epilepsy in Rett syndrome, and CDKL5- and FOXG1-gene-related encephalopathiesRenzo Guerrini
Pediatric Neurology Unit and Laboratories, Children s Hospital A Meyer University of Florence, Florence, Italy
Epilepsia 53:2067-78. 2012..Efforts to characterize the molecular pathology underlying these developmental encephalopathies are pointing to abnormalities of telencephalic development, neuronal morphogenesis, maturation and maintenance, and dendritic arborization...
Benign childhood focal epilepsiesRenzo Guerrini
Pediatric Neurology Unit and Laboratories, Children s Hospital A Meyer University of Florence, Florence, Italy
Epilepsia 53:9-18. 2012..In such cases, the term benign is obviously inappropriate, even when seizures are rare. In most patients with the typical focal idiopathic epilepsy syndromes, medication is not necessary...
Dravet syndrome: the main issuesRenzo Guerrini
Pediatric Neurology and Neurogenetics Unit and Laboratories, Children s Hospital A Meyer, University of Florence, Firenze, Italy
Eur J Paediatr Neurol 16:S1-4. 2012..Prospective studies will clarify to what extent earlier diagnosis and efforts at seizure control with the most appropriate drug combinations will reduce clinical deterioration...
Symmetric polymicrogyria and pachygyria associated with TUBB2B gene mutationsRenzo Guerrini
Pediatric Neurology Unit and Laboratories, Children s Hospital A Meyer University of Florence, Florence, Italy
Eur J Hum Genet 20:995-8. 2012..The phenotypic spectrum associated with TUBB2B mutations is wider than previously reported and includes diffuse, symmetric malformations of cortical development...
Peritrigonal and temporo-occipital heterotopia with corpus callosum and cerebellar dysgenesisTiziana Pisano
Pediatric Neurology and Neurogenetics Unit, Children s Hospital A Meyer University of Florence, Florence, Italy
Neurology 79:1244-51. 2012..To describe a homogeneous subtype of periventricular nodular heterotopia (PNH) as part of a newly defined malformation complex...
Safety and tolerability of antiepileptic drug treatment in children with epilepsyRenzo Guerrini
Paediatric Neurology Unit and Laboratories, Childrens Hospital A Meyer, University of Florence, Italy
Drug Saf 35:519-33. 2012....
Expansion of the first PolyA tract of ARX causes infantile spasms and status dystonicusR Guerrini
Department of Pediatric Neurosciences, Pediatric Hospital A Meyer and University of Florence, Firenze, Italy
Neurology 69:427-33. 2007....
Neuronal migration disordersRenzo Guerrini
Pediatric Neurology and Neurogenetics Unit and Laboratories, Children s Hospital A Meyer, University of Florence, Florence, Italy
Neurobiol Dis 38:154-66. 2010..Conservation of function in the malformed cortex, its atypical representation, and relocation outside the malformed area are all possible. Localization of function based on anatomic landmarks may not be reliable...
Variable epilepsy phenotypes associated with a familial intragenic deletion of the SCN1A geneRenzo Guerrini
Child Neurology Unit, Children s Hospital A Meyer University of Florence, Florence, Italy
Epilepsia 51:2474-7. 2010..SCN1A deletions should be ruled out even in individuals with mild phenotypes...
CDKL5 gene-related epileptic encephalopathy: electroclinical findings in the first year of lifeFederico Melani
Paediatric Neurology Unit and Laboratories, A Meyer Children s Hospital, University of Florence, Florence, Italy
Dev Med Child Neurol 53:354-60. 2011..We performed video-electroencephalography (video-EEG) monitoring early in the course of CDKL5-related epileptic encephalopathy in order to examine the early electroclinical characteristics of the condition...
Borderline Dravet syndrome: a useful diagnostic category?Renzo Guerrini
Children s Hospital A Meyer and University of Florence, Florence, Italy
Epilepsia 52:10-2. 2011..An initial definition of SCN1A gene-related epilepsy would perhaps be more suitable when a mutation of this gene is ascertained and the clinical picture is still ill defined...
Neuroimaging and neuropathology of Dravet syndromeRenzo Guerrini
Children s Hospital A Meyer and University of Florence, Florence, Italy
Epilepsia 52:30-4. 2011....
Dravet syndrome and SCN1A gene mutation related-epilepsies: cognitive impairment and its determinantsRenzo Guerrini
Paediatric Neurology Unit and Laboratories, Children s Hospital A Meyer University of Florence, Viale Pieraccini, Firenze, Italy
Dev Med Child Neurol 53:11-5. 2011....
FLNA genomic rearrangements cause periventricular nodular heterotopiaK R Clapham
Harvard MIT Division of Health Sciences and Technology, Boston, MA, USA
Neurology 78:269-78. 2012..To identify copy number variant (CNV) causes of periventricular nodular heterotopia (PNH) in patients for whom FLNA sequencing is negative...
Abnormal development of the human cerebral cortex: genetics, functional consequences and treatment optionsRenzo Guerrini
Department of Neurology and Neurosurgery, Children s Hospital A Meyer, University of Florence, Viale Pieraccini 24, 50139, Florence, Italy
Trends Neurosci 31:154-62. 2008..Surgical planning should be based on assessments of structural imaging and of the major functions relevant to the area in question in any such patient...
A new rapid micromethod for the assay of phenobarbital from dried blood spots by LC-tandem mass spectrometryGiancarlo la Marca
Mass Spectrometry and Pharmacology Laboratory, Pediatric Neurology Unit and Laboratories, Department of Neurosciences, A Meyer Children s Hospital, Florence, Italy
Epilepsia 50:2658-62. 2009..5 times higher throughput of phenobarbital analysis and additionally offers ease of sample collection which is particularly important for newborns or small infants...
Fabry disease: polymorphic haplotypes and a novel missense mutation in the GLA geneL Ferri
Department of Sciences for Woman and Child s Health, University of Florence, Florence, Italy
Clin Genet 81:224-33. 2012..The identification of haplotypes in control males provides evidence against their involvement in the development of FD phenotypic manifestations...
Protocadherin 19 mutations in girls with infantile-onset epilepsyC Marini
Child Neurology Unit, Children s Hospital A Meyer, Viale Pieraccini 24, 50139 Firenze, Italy
Neurology 75:646-53. 2010..To explore the causative role of PCDH19 gene (Xq22) in female patients with epilepsy...
High frequency of genomic deletions--and a duplication--in the LIS1 gene in lissencephaly: implications for molecular diagnosisD Mei
Pediatric Neurology and Neurogenetics Unit and Laboratories, Children s Hospital A Meyer, University of Florence, Florence, Italy
J Med Genet 45:355-61. 2008....
Periventricular heterotopia, mental retardation, and epilepsy associated with 5q14.3-q15 deletionC Cardoso
Pediatric Neurology Unit and Laboratories, Children s Hospital A Meyer University of Florence, Firenze, Italy
Neurology 72:784-92. 2009..Fourteen additional distinct anatomoclinical PH syndromes have been described, but no genetic insights into their causes have been gleaned...
An integrated fMRI, SEPs and MEPs approach for assessing functional organization in the malformed sensorimotor cortexC Barba
Pediatric Neurology Unit and Laboratories, Children s Hospital A Meyer University of Florence, Viale Pieraccini 24, 50139 Florence, Italy
Epilepsy Res 89:66-71. 2010....
New strategy for the screening of lysosomal storage disorders: the use of the online trapping-and-cleanup liquid chromatography/mass spectrometryGiancarlo la Marca
Mass Spectrometry and Pharmacology Laboratory, A Meyer Children s Hospital Pediatric Neurology Unit and Laboratories, Department of Pharmacology, University of Florence, Florence, Italy
Anal Chem 81:6113-21. 2009..The results show that the method set out in its simplicity, low costs, and low processes preparations can be fully applicable to a mass screening...
The genetics of Dravet syndromeCarla Marini
Pediatric Neurology Unit and Laboratories, Children s Hospital A Meyer University of Florence, Florence, Italy
Epilepsia 52:24-9. 2011..Rare mutations have been identified in the GABARG2 and SCN1B genes. The etiology of about 20% of DS patients remains unknown, and additional genes are likely to be implicated...
Unpleasant auditory illusions and related avoidance behaviour in a childCarmen Barba
Department of Pediatric Neurosciences, Pediatric Hospital A Meyer, and University of Firenze, Italy
Epileptic Disord 10:35-8. 2008..Clinical evaluation and video-recording of the seizures, confirmed that most of the ictal behavior was deliberately directed at trying to prevent the unpleasant sensations reaching his ears. [Published with video sequences]...
Oral topiramate in neonates with hypoxic ischemic encephalopathy treated with hypothermia: a safety studyLuca Filippi
Neonatal Intensive Care Unit, Department of Critical Care Medicine, A Meyer University Children s Hospital, and Department of Pharmacology, University of Florence, Florence, Italy
J Pediatr 157:361-6. 2010..To investigate whether topiramate associated with mild or deep hypothermia in asphyxiated term infants is safe in relation to the short-term outcome...
Rapid assay of rufinamide in dried blood spots by a new liquid chromatography-tandem mass spectrometric methodGiancarlo la Marca
Mass Spectrometry Laboratory, Clinic of Pediatric Neurology, A Meyer Children s Hospital, Florence, Italy
J Pharm Biomed Anal 54:192-7. 2011..2-0.5 mL of plasma and are therefore unsuitable for sample collection in neonates in whom obtaining larger blood samples is not convenient or possible...
Topiramate concentrations in neonates treated with prolonged whole body hypothermia for hypoxic ischemic encephalopathyLuca Filippi
Neonatal Intensive Care Unit, Department of Critical Care Medicine, A Meyer University Children s Hospital, Florence, Italy
Epilepsia 50:2355-61. 2009..The influence of hypothermia on topiramate pharmacokinetics was evaluated in asphyxiated neonates treated with prolonged whole-body hypothermia and topiramate...
Rapid assay of topiramate in dried blood spots by a new liquid chromatography-tandem mass spectrometric methodGiancarlo la Marca
Mass Spectrometry Laboratory, Clinic of Pediatric Neurology, A Meyer Children s Hospital, Florence, Italy
J Pharm Biomed Anal 48:1392-6. 2008..FPIA also proved to be precise and accurate, but is not always suitable for the sample collection in neonates in whom obtaining larger blood samples is not convenient or possible...
Morquio A syndrome due to maternal uniparental isodisomy of the telomeric end of chromosome 16S Catarzi
Metabolic and Muscular Unit, Clinical of Paediatric Neurology, Meyer Children s Hospital, University of Florence, Florence, Italy
Mol Genet Metab 105:438-42. 2012..The possibility of UPD is relevant when giving genetic counseling to couples since the recurrent risk in future pregnancies is dramatically reduced...
Multiplex ligation-dependent probe amplification detects DCX gene deletions in band heterotopiaD Mei
Pediatric Neurology Unit and Laboratories, Children s Hospital A Meyer University of Florence, Via Luca Giordano 13, 50123, Florence, Italy
Neurology 68:446-50. 2007..Our purpose was to verify the extent to which exonic deletions or duplications of the DCX gene would account for sporadic SBH with A>P gradient but normal gene sequencing...
Functional studies of new GLA gene mutations leading to conformational Fabry diseaseC Filoni
Metabolic and Muscular Unit, Clinic of Pediatric Neurology, A O U Meyer, Florence, Italy
Biochim Biophys Acta 1802:247-52. 2010..Our study endorses the hypothesis that an active site-specific chemical chaperone, which could be administered orally, might be effective in treating GAL-A conformational defects...
GALNS gene expression profiling in Morquio A patients' fibroblastsL Carraresi
Metabolic and Muscular Unit, Clinic of Pediatric Neurology, AOU Meyer, Florence, Italy
Clin Chim Acta 397:72-6. 2008....
Bilateral frontoparietal polymicrogyria, Lennox-Gastaut syndrome, and GPR56 gene mutationsElena Parrini
Pediatric Neurology and Neurogenetics Unit, Children s Hospital A Meyer University of Florence, Florence, Italy
Epilepsia 50:1344-53. 2009..No detailed description of the epilepsy is available for the patients reported to date. We report three consanguineous families in which four affected individuals with BFPP and GPR56 mutations had Lennox-Gastaut syndrome...
Glucose transporter 1 deficiency as a treatable cause of myoclonic astatic epilepsySaul A Mullen
Epilepsy Research Centre, Department of Medicine, University of Melbourne, Melbourne, Australia
Arch Neurol 68:1152-5. 2011..To determine if a significant proportion of patients with myoclonic-astatic epilepsy (MAE) have glucose transporter 1 (GLUT1) deficiency...
Xp22.3 genomic deletions involving the CDKL5 gene in girls with early onset epileptic encephalopathyDavide Mei
Pediatric Neurology Unit and Laboratories, Children s Hospital A Meyer University of Florence, Viale Pieraccini 24, Florence, Italy
Epilepsia 51:647-54. 2010..We investigated the role of CDKL5 deletions/duplications in causing early onset intractable epilepsy of unknown etiology in girls...
SCN1A duplications and deletions detected in Dravet syndrome: implications for molecular diagnosisCarla Marini
Child Neurology Unit, Children s Hospital A Meyer, University of Florence, Florence, Italy
Epilepsia 50:1670-8. 2009....
Linkage and mutational analysis of CLCN2 in childhood absence epilepsyKate Everett
General and Adolescent Paediatric Unit, Centre for Human Molecular Genetics, UCL Institute Child Health, University College London, The Rayne Building, 5 University Street, London WC1E 6JJ, UK
Epilepsy Res 75:145-53. 2007..We conclude that CLCN2 may be a susceptibility locus in a subset of cases of childhood absence epilepsy...
Idiopathic epilepsies with seizures precipitated by fever and SCN1A abnormalitiesCarla Marini
Epilepsy, Neurophysiology and Neurogenetic Unit, Institute of Child Neurology and Psychiatry, IRCCS Stella Maris Foundation, Calambrone, Pisa, Italy
Epilepsia 48:1678-85. 2007..We studied 132 patients with epilepsy syndromes with seizures precipitated by fever, and performed phenotype-genotype correlations with SCN1A alterations...
Mutational analysis of EFHC1 gene in Italian families with juvenile myoclonic epilepsyFerdinanda Annesi
Institute of Neurological Sciences, National Research Council, Mangone Cosenza, Italy
Epilepsia 48:1686-90. 2007..Mutations in the EFHC1 gene have been reported in six juvenile myoclonic epilepsy (JME) families from Mexico and Belize. In this study, we screened 27 unrelated JME Italian families for mutations in the EFHC1 gene...
The role of the nicotinic acetylcholine receptors in sleep-related epilepsyCarla Marini
Epilepsy, Neurophysiology and Neurogenetics Unit, Department of Child Neurology and Psychiatry, IRCCS Stella Maris Foundation, Pisa, Italy
Biochem Pharmacol 74:1308-14. 2007....
Subcortical structures and infantile spasmsRenzo Guerrini
A Meyer Children's Hospital, University of Florence, Italy
Dev Med Child Neurol 50:87. 2008
A 7 Mb duplication at 22q13 in a girl with bipolar disorder and hippocampal malformationTiziano Pramparo
Biologia Generale e Genetica Medica, Universita di Pavia, Pavia, Italy
Am J Med Genet A 146:1754-60. 2008..Stringent correlations between submicroscopic imbalances, specific behavioral phenotypes and brain imaging will possibly help in dissecting complex behavioral traits...
No major role for the EMX2 gene in schizencephalyElisa Merello
Department of Neurosurgery, Gaslini Institute, Genoa, Italy
Am J Med Genet A 146:1142-50. 2008..We conclude that the reported association between SCH and EMX2 mutations is not adequately supported by current data, and that diagnostic testing of EMX2 is not justified, as any results would be uninterpretable...
Brain MRI findings in severe myoclonic epilepsy in infancy and genotype-phenotype correlationsPasquale Striano
Muscular and Neurodegenerative Disease Unit, Institute G Gaslini, University of Genova, Italy
Epilepsia 48:1092-6. 2007..To determine the occurrence of neuroradiological abnormalities and to perform genotype-phenotype correlations in severe myoclonic epilepsy of infancy (SMEI, Dravet syndrome)...
Electrophysiological characterization of spontaneous and carbamazepine-induced epileptic negative myoclonus in benign childhood epilepsy with centro-temporal spikesLucio Parmeggiani
Division of Child Neurology and Psychiatry, University of Pisa and IRCCS Fondazione Stella Maris, Via dei Giacinti 1, 56018 Calambrone, Pisa, Italy
Clin Neurophysiol 115:50-8. 2004..If confirmed on a larger series, the presence of spike-wave (rather than sharp waves) discharges in children with BECTS might be used as an electrophysiological predictor of an abnormal response to CBZ...
Periventricular nodular heterotopia with overlying polymicrogyriaGretchen Wieck
Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
Brain 128:2811-21. 2005..Delineation of these syndromes will also aid in providing more accurate diagnosis and prognostic information for patients with these malformations...
Mutations of ARX are associated with striking pleiotropy and consistent genotype-phenotype correlationMitsuhiro Kato
Department of Human Genetics, The University of Chicago, Chicago, Illinois 60637, USA
Hum Mutat 23:147-59. 2004....
Genotype-phenotype analysis of human frontoparietal polymicrogyria syndromesXianhua Piao
Division of Newborn Medicine, Department of Medicine, Children's Hospital Boston and Harvard Medical School, Boston, MA 02115, USA
Ann Neurol 58:680-7. 2005..No GPR56 mutation was found in these patients. This study provides a molecular confirmation of the BFPP phenotype and provides the wherewithal for diagnostic screening...
Abnormal phonologic processing in familial lateral temporal lobe epilepsy due to a new LGI1 mutationTiziana Pisano
Department of Child Neurology and Psychiatry, University of Cagliari, Cagliari, Italy
Epilepsia 46:118-23. 2005..The newly identified LGI1 mutation might underlie both the seizure disorder and the neuropsychological deficits...
Nonconvulsive status epilepticus precipitated by carbamazepine presenting as dissociative and affective disorders in adolescentsCarla Marini
Epilepsy, Neurophysiology and Neurogenetics Unit, IRCCS Stella Maris Foundation, Pisa, Italy
J Child Neurol 20:693-6. 2005..Nonconvulsive status epilepticus should be suspected and searched for in patients with epileptic seizures and ictal or fluctuating behavioral disorders...
Epilepsy and malformations of the cerebral cortexRenzo Guerrini
Institute of Child Neurology and Psychiatry, University of Pisa, Calambrone, Italy
Epileptic Disord 5:S9-26. 2003..Bilateral perisylvian polymicrogyria may be familial. Patients present with faciopharingo-glosso-masticatory diplegia and epilepsy, which is severe in about 65% of patients...
Nonsyndromic mental retardation and cryptogenic epilepsy in women with doublecortin gene mutationsRenzo Guerrini
Division of Child Neurology and Psychiatry, University of Pisa, Pisa, Italy
Ann Neurol 54:30-7. 2003..Missense DCX mutations may manifest as non-syndromic mental retardation with cryptogenic epilepsy in female subjects and SBH in boys. Mutation analysis in mothers of affected children is mandatory, even when brain MRI is normal...
Generalized epilepsy with febrile seizures plus (GEFS+): clinical spectrum in seven Italian families unrelated to SCN1A, SCN1B, and GABRG2 gene mutationsPaolo Bonanni
Epilepsy, Neurophysiology, Neurogenetics Unit, IRCCS Fondazione Stella Maris, Pisa, Italy
Epilepsia 45:149-58. 2004..The observation that 13% of affected individuals had focal epilepsy confirms previously reported rates and should prompt a reformulation of the "GEFS+" concept to include focal epileptogenesis...
Benign familial neonatal-infantile seizures: characterization of a new sodium channelopathySamuel F Berkovic
Epilepsy Research Centre and Department of Medicine, University of Melbourne, Austin Health, Victoria, Australia
Ann Neurol 55:550-7. 2004..Ictal recordings in four subjects showed onset in the posterior quadrants. SCN2A mutations appear specific for BFNIS; the disorder can now be strongly suspected clinically and the families can be given an excellent prognosis...
Neuronal migration disorders, genetics, and epileptogenesisRenzo Guerrini
Epilepsy, Neurophysiology and Neurogenetics Unit, Division of Child Neurology and Psychiatry, University of Pisa and Research Institute, Stella Maris Foundation, Pisa, Italy
J Child Neurol 20:287-99. 2005..2 deletion in some patients. About 65% of patients have severe epilepsy. Recessive bilateral frontoparietal polymicrogyria has been associated with mutations of the GPR56 gene...
Early visual seizures and progressive myoclonus epilepsy in neuronopathic Gaucher disease due to a rare compound heterozygosity (N188S/S107L)Mirella Filocamo
Laboratorio Diagnosi Pre-Postnatale Malattie Metaboliche, IRCCS G.Gaslini, Genoa, Italy
Epilepsia 45:1154-7. 2004..Early differential diagnosis from other forms of progressive myoclonus epilepsy with similar clinical presentation may help provide appropriate genetic counseling...
Subcortical band heterotopia (SBH) in males: clinical, imaging and genetic findings in comparison with femalesMaria Daniela D'Agostino
Department of Neurology and Neurosurgery, and the Montreal Neurological Institute and Hospital, Quebec, Canada
Brain 125:2507-22. 2002..This suggests other genetic mechanisms such as mutations in the non-coding regions of the DCX or LIS1 genes, gonadal or somatic mosaicism, and finally mutations of other genes...
Mosaic mutations of the FLN1 gene cause a mild phenotype in patients with periventricular heterotopiaElena Parrini
IRCCS Stella Maris Foundation, Scientific Institute for Child and Adolescence Neurology and Psychiatry, Pisa, Italy
Neurogenetics 5:191-6. 2004..Mosaicism can influence the recurrence risk rates in affected women. Mosaic mutations in men may not be transmitted to their daughters, masking the X-linked nature of the disorder...
Mild generalized epilepsy and developmental disorder associated with large inv dup(15)Rosanna Chifari
Regional Centre of Epilepsy, San Paolo Hospital Milano, Italy
Epilepsia 43:1096-100. 2002..We report two patients with inv dup(15) who, in spite of a large duplication, had a mild phenotype including adult-onset epilepsy. This report may help to define the milder spectrum of the syndrome...
Autosomal dominant cortical myoclonus and epilepsy (ADCME) with linkage to chromosome 2p11.1-q12.2Renzo Guerrini
Epilepsy, Neurophysiology and Neurogenetics Unit, Department of Child Neurology and Psychiatry, University of Pisa and Research Institute Stella Maris Foundation, Pisa, Italy
Adv Neurol 95:273-9. 2005
Genetic malformations of the cerebral cortex and epilepsyRenzo Guerrini
Epilepsy, Neurophysiology and Neurogenetics Unit, Division of Child Neurology and Psychiatry, University of Pisa and Research Institute Stella Maris Foundation, Pisa, Italy
Epilepsia 46:32-7. 2005..2 deletion in some patients. About 65% of patients have severe epilepsy, often Lennox-Gastaut syndrome. Recessive bilateral frontal polymicrogyria has been linked to chromosome 16q12.2-21...
A new benign adult familial myoclonic epilepsy (BAFME) pedigree suggesting linkage to chromosome 2p11.1-q12.2Pasquale Striano
Epilepsy Center, Department of Neurological Sciences, Federico II University, Naples, Italy
Epilepsia 45:190-2. 2004..1-2q12.2 (lod score value, 1.55). This observation would confirm that BAFME is a worldwide, genetically heterogeneous condition, probably with Japanese families linked to 8q24 and European families to 2p11.1-q12.2...
Epileptic encephalopathies with myoclonic seizures in infants and children (severe myoclonic epilepsy and myoclonic-astatic epilepsy)Renzo Guerrini
Division of Child Neurology and Psychiatry, University of Pisa and IRCCS Fondazione Stella Maris, Via dei Giacinti 2, 56018 Calambrone, Pisa, Italy
J Clin Neurophysiol 20:449-61. 2003..They must be distinguished from other syndromes with frequent brief attacks and repeated falls, especially the Lennox-Gastaut syndrome. This differentiation is often difficult and may require extensive neurophysiologic studies...
Epileptogenic brain malformations: clinical presentation, malformative patterns and indications for genetic testingRenzo Guerrini
Neurosciences Unit, Great Ormond Street Hospital for Sick Children and Institute of Child Health, University College London, Wolfson Centre, Mecklenburgh Square, London WC1N 2AP, UK
Seizure 11:532-43; quiz 544-7. 2002..2 deletions. FISH analysis for 22q11.2 is advisable in all patients with perisylvian polymicrogyria. Parents of an affected child with normal karyotype should be given up to a 25% recurrence risk...
Early-onset absence epilepsy and paroxysmal dyskinesiaRenzo Guerrini
Neurosciences Unit, Great Ormond Street Hospital for Sick Children and Institute of Child Health, University College London, London, England
Epilepsia 43:1224-9. 2002..To report on the association of childhood absence epilepsy and paroxysmal dyskinesia (PD)...
Bilateral periventricular nodular heterotopia due to filamin 1 gene mutation: widespread glomeruloid microvascular anomaly and dysplastic cytoarchitecture in the cerebral cortexAkiyoshi Kakita
Department of Pathology, Brain Research Institute, Niigata University, 1 Asahimachi, Niigata 951 8585, Japan
Acta Neuropathol 104:649-57. 2002..This case appears to represent an example of BPNH manifesting widespread developmental anomalies within the blood vessels and the cortical cytoarchitecture in the cerebrum...
Rationale for treating epilepsy in childrenRenzo Guerrini
Neurosciences Unit, Great Ormond Street Hospital for Children and Institute of Child Health, The Wolfson Centre, Mecklenburgh Square, London, WC1N 2AP, UK
Epileptic Disord 4:S9-21. 2002..Severe childhood epilepsies are particularly at risk and mild idiopathic epilepsies may be transformed into severe disorders, priming a vicious circle of heavy treatment, whereby the original disorder is no longer recognizable...
Cognitive epilepsy: ADHD related to focal EEG dischargesNicole Laporte
Department of Pediatric Neurology, Cliniques Universitaires Saint-Luc, , Brussels, Belgium
Pediatr Neurol 27:307-11. 2002..The classical principle of treating only seizures needs to be reconsidered...
Subcortical band heterotopia with simplified gyral pattern and syndactylyFederico Sicca
Division of Child Neurology and Psychiatry, University of Pisa, Pisa, Italy
Am J Med Genet A 119:207-10. 2003..Chromosome studies and mutation analysis of the DCX and LIS1 genes gave negative results. This observation delineates a new multiple congenital abnormalities mental retardation syndrome and confirms genetic heterogeneity of SBH...
Influence of dosage, age, and co-medication on plasma topiramate concentrations in children and adults with severe epilepsy and preliminary observations on correlations with clinical responseAnna Rita Ferrari
IRCCS Stella Maris Foundation, University of Pisa, Pisa, Italy
Ther Drug Monit 25:700-8. 2003..The marked increase in TPM clearance caused by enzyme-inducing co-medication was confirmed...
Mutations in ARFGEF2 implicate vesicle trafficking in neural progenitor proliferation and migration in the human cerebral cortexVolney L Sheen
Division of Neurogenetics and Howard Hughes Medical Institute, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02115, USA
Nat Genet 36:69-76. 2004..Our findings show that vesicle trafficking is an important regulator of proliferation and migration during human cerebral cortical development...
Treatment of myoclonic epilepsies in infancy and early childhoodRaman Sankar
Department of Neurology, David Geffen School of Medicine at UCLA and Mattel Children's Hospital at UCLA, Los Angeles, California, USA
Adv Neurol 95:289-98. 2005
Treatment of myoclonic epilepsies of childhood, adolescence, and adulthoodMarco T Medina
National Autonomous University of Honduras, Tegucigalpa, Honduras
Adv Neurol 95:307-23. 2005
Polymicrogyria and deletion 22q11.2 syndrome: window to the etiology of a common cortical malformationNathaniel H Robin
Department of Genetics, University of Alabama at Birmingham, USA
Am J Med Genet A 140:2416-25. 2006..Although this was not the focus of the present study, mild cerebellar anomalies are probably the most common brain malformation associated with DEL22q11...
Can we increase the likelihood of success for future association studies in epilepsy?Martina Durner
Epilepsia 47:1617-21; author reply 1757-8. 2006
Different genotypes in a large Italian family with recurrent hereditary fructose intoleranceAnna Caciotti
AOU Meyer, Metabolic and Muscular Unit, Clinic of Pediatric Neurology, Florence, Italy
Eur J Gastroenterol Hepatol 20:118-21. 2008..Our paper aims at improving the clinical and molecular characterizations of these patients, to avoid dangerous misdiagnoses...
Severe myoclonic epilepsy in infancy: a systematic review and a meta-analysis of individual patient dataBehrouz Kassai
INSERM, CIC201, EPICIM, Lyon, France
Epilepsia 49:343-8. 2008..The two RCTs identified, however, were performed with the same objectives and design and showed that seizure frequency is greatly reduced by stiripentol in children with SMEI after 2 months of treatment...
Autosomal dominant early-onset cortical myoclonus, photic-induced myoclonus, and epilepsy in a large pedigreeElena Gardella
Department of Neurosciences, Bellaria Hospital, Clinica Neurologica, Bologna, Italy
Epilepsia 47:1643-9. 2006..Exclusion of linkage to the two known loci is consistent with genetic heterogeneity of such familial clustering of symptoms...
Mosaic SCN1A mutation in familial severe myoclonic epilepsy of infancyCarla Marini
Epilepsy, Neurophysiology and Neurogenetics Unit, Institute of Child Neurology and Psychiatry, IRCCS Stella Maris Foundation, Calambrone, Pisa, Italy
Epilepsia 47:1737-40. 2006..The possibility of mosaic mutations must, therefore, also be taken into account for genetic counseling and determining the recurrence risk in patients with SMEI...
Neuropsychological findings in idiopathic occipital lobe epilepsiesAnna Maria Chilosi
Department of Developmental Neuroscience, Stella Maris Scientific Institute, University of Pisa, Pisa, Italy
Epilepsia 47:76-8. 2006..We reviewed the clinical charts of 22 patients (mean age 12 years) with idiopathic occipital lobe epilepsies (IOLE) to verify the presence of visuoperceptual difficulties...
Linkage and association analysis of CACNG3 in childhood absence epilepsyKate V Everett
Department of Paediatrics and Child Health, Royal Free and University College Medical School, University College London, London, UK
Eur J Hum Genet 15:463-72. 2007..No coding sequence variants were identified, although four variants are predicted to affect exonic splicing. This evidence supports CACNG3 as a susceptibility locus in a subset of CAE patients...
Genetics of epilepsy: epilepsy research foundation workshop reportSanjay Sisodiya
Epilepsy Research Foundation, United Kingdom
Epileptic Disord 9:194-236. 2007..Presentations and their matched discussions are produced here. There was optimism that further genetic research in epilepsy was not only feasible, but might lead to improvements in the lives of people with epilepsy...
Genetic malformations of cortical developmentRenzo Guerrini
Epilepsy, Neurophysiology and Neurogenetics Unit, Division of Child Neurology and Psychiatry, University of Pisa and Research Institute Stella Maris Foundation, Via dei Giacinti 2, 56018, Calambrone, Pisa, Italy
Exp Brain Res 173:322-33. 2006..It is estimated that up to 40% of children with drug-resistant epilepsy have a cortical malformation. However, the physiopathological mechanisms relating cortical malformations to epilepsy remain elusive...
Hypothalamic hamartomas and hedgehogs: not a laughing matterSamuel J Pleasure
Neurology 70:588-9. 2008
Dysmorphic features, simplified gyral pattern and 7q11.23 duplication reciprocal to the Williams-Beuren deletionClaudia Torniero
Servizio Neuropsichiatria Infantile, Policlinico GB Rossi, Universita di Verona, Verona, Italy
Eur J Hum Genet 16:880-7. 2008..Abnormal development of the cerebral cortex, reported also in the Williams-Beuren deletion, suggests that at least one gene is present in the critical region whose deletion/duplication impairs neuronal migration...
Different neurophysiologic patterns of myoclonus characterize Lennox-Gastaut syndrome and myoclonic astatic epilepsyPaolo Bonanni
Division of Child Neurology and Psychiatry, University of Pisa and IRCCS Fondazione Stella Maris, Italy
Epilepsia 43:609-15. 2002....
Familial occurrence of febrile seizures and epilepsy in severe myoclonic epilepsy of infancy (SMEI) patients with SCN1A mutationsMaria Margherita Mancardi
Laboratory of Neurogenetics, Unit of Muscular and Neurodegenerative Disease, Institute G Gaslini, Genova, Italy
Epilepsia 47:1629-35. 2006..We explored the genetic background of SMEI patients carrying SCN1A mutations to further shed light on the genetics of this disorder...
Classification conundrums in paroxysmal dyskinesias: a new subtype or variations on classic themes?Michael H Pourfar
Department of Neurology, Columbia University Medical Center, New York, New York 10032, USA
Mov Disord 20:1047-51. 2005..We describe 4 cases that do not fit easily into the current classification scheme, compare them with four others recently described in the literature, and raise the question as to whether they constitute a new subtype...
Topiramate monotherapy as broad-spectrum antiepileptic drug in a naturalistic clinical settingRenzo Guerrini
Epilepsy, Neurophysiology, Neurogenetics Unit, INPE University of Pisa and IRCCS Stella Maris, Pisa, Via dei Giacinti 2, 56018 Pisa, Italy
Seizure 14:371-80. 2005..They also suggest that in a naturalistic setting, overall good retention on treatment and seizure freedom are observed at low doses in a broad spectrum of epilepsies...
Reciprocal translocations: a trap for cytogenetists?Roberto Ciccone
Biologia Generale e Genetica Medica, Universita di Pavia, Pavia, Italy
Hum Genet 117:571-82. 2005..This study, while confirming previous data showing unexpected complexity in translocations, further underscores the need for molecular investigations before taking for granted an apparently simple cytogenetic interpretation...
Practitioner review: use of antiepileptic drugs in childrenRenzo Guerrini
Division of Child Neurology and Psychiatry, University of Pisa and IRCCS Fondazione Stella Maris, Via dei Giacinti 2, 56018 Calambrone, Pisa, Italy
J Child Psychol Psychiatry 47:115-26. 2006..Optimal treatment first demands a correct recognition of the major type of seizures, followed by a correct diagnosis of the type of epilepsy or of the specific syndrome...
Malformations of cortical development and epilepsyRichard J Leventer
Children s Neuroscience Centre and Murdoch Children s Research Institute, Royal Children s Hospital, Melbourne, Australia
Dialogues Clin Neurosci 10:47-62. 2008..The malformations tuberous sclerosis, focal cortical dysplasia, hemimegalencephaly, classical lissencephaly, subcortical band heterotopia, periventricular nodular heterotopia, polymicrogyria, and schizencephaly will be presented...
Valproate as a mainstay of therapy for pediatric epilepsyRenzo Guerrini
Division of Child Neurology and Psychiatry, University of Pisa and IRCCS Fondazione Stella Maris, Pisa, Italy
Paediatr Drugs 8:113-29. 2006..Bodyweight increase and tremor may be observed in older children and adolescents. Despite the challenge of newer drugs, valproate remains a gold standard antiepileptic drug for the treatment of children...
Increased sensitivity of the neuronal nicotinic receptor alpha 2 subunit causes familial epilepsy with nocturnal wandering and ictal fearPaolo Aridon
Human Molecular Genetics Unit, DIBIT San Raffaele Scientific Institute, Milan, Italy
Am J Hum Genet 79:342-50. 2006..Compared with the CHRNA4 and CHRNB2 mutations reported elsewhere, CHRNA2 mutations cause a more complex and finalized ictal behavior...
Evaluation of carisbamate, a novel antiepileptic drug, in photosensitive patients: an exploratory, placebo-controlled studyDorothée G A Kasteleijn Nolst Trenité
University La Sapienza II, Via Vitorchiano 81, 00189 Roma, Italy
Epilepsy Res 74:193-200. 2007....
