Research Topics
Species | A OrricoSummaryCountry: Italy Publications
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Publications
Aarskog-Scott syndrome: clinical update and report of nine novel mutations of the FGD1 geneA Orrico
Medicina Molecolare, Azienda Ospedaliera Universitaria Senese, Siena, Italy
Am J Med Genet A 152:313-8. 2010..In addition to the well-established phenotypic features of AAS, other clinical features are also reported and discussed...
Late-onset Lennox-Gastaut syndrome in a patient with 15q11.2-q13.1 duplicationAlfredo Orrico
Molecular Medicine, Azienda Ospedaliera Universitaria Senese, Siena, Italy
Am J Med Genet A 149:1033-5. 2009..We report on a 33-year-old female with a microduplication of 15q11-q13 detected by array-CGH analysis, with particular reference to the epilepsy phenotype, characterized as a late-onset Lennox-Gastaut syndrome...
Attention-deficit/hyperactivity disorder (ADHD) and variable clinical expression of Aarskog-Scott syndrome due to a novel FGD1 gene mutation (R408Q)Alfredo Orrico
UOC Molecular Medicine, Department of Oncology, Azienda Ospedaliera Universitaria Senese, Viale Bracci 2, 53100 Siena, Italy
Am J Med Genet A 135:99-102. 2005..We suggest that FGD1 analysis may be adequate in ADHD patients who exhibit dysmorphic features suggestive of AAS, also in the absence of the full phenotypical spectrum...
Phenotypic and molecular characterisation of the Aarskog-Scott syndrome: a survey of the clinical variability in light of FGD1 mutation analysis in 46 patientsAlfredo Orrico
Molecular Medicine, Azienda Ospedaliera Universitaria Senese, Siena, Italy
Eur J Hum Genet 12:16-23. 2004..The current study provides further evidence that mutations of FGD1 may cause AAS and expands the spectrum of disease-causing mutations. The importance of considering the neuropsychological phenotype of AAS patients is discussed...
Novel PTEN mutations in neurodevelopmental disorders and macrocephalyA Orrico
Molecular Medicine, Azienda Ospedaliera Universitaria Senese, Sienna, Italy
Clin Genet 75:195-8. 2009..Our results provide evidence that PTEN germline mutations may sustain a more wide phenotypical spectrum than previously suggested...
A mutation in the pleckstrin homology (PH) domain of the FGD1 gene in an Italian family with faciogenital dysplasia (Aarskog-Scott syndrome)A Orrico
U O Genetica Medica, Policlinico Le Scotte, Siena, Italy
FEBS Lett 478:216-20. 2000..The Arg610Gln mutation represents the first case of a mutation in the PH domain of the FGD1 gene and additional evidence that mutations in PH domains can be associated to human diseases...
SCN1A mutation associated with atypical Panayiotopoulos syndromeS Grosso
Department of Pediatrics, Pediatric Neurology Section, University of Siena, S. Maria alle Scotte Hospital, Siena, Italy
Neurology 69:609-11. 2007
Possible case of Pitt-Hopkins syndrome in sibsA Orrico
Medical Genetics, Department of Molecular Biology, Policlinico Le Scotte, 53100 Siena, Italy
Am J Med Genet 103:157-9. 2001..The recurrence in sibs within the same family supports autosomal recessive inheritance for the condition. Variable expression of the respiratory symptoms, which has not been reported earlier, is underlined...
Additional case of Marden-Walker syndrome: support for the autosomal-recessive inheritance adn refinement of phenotype in a surviving patientA Orrico
Medical Genetics, Azienda Ospedaliera Senese, Siena, Italy
J Child Neurol 16:150-3. 2001..Furthermore, through refining the phenotype of a surviving patient, this report may contribute to a better recognition of this disorder in older affected children...
MECP2 mutation in male patients with non-specific X-linked mental retardationA Orrico
Medical Genetics, Policlinico Le Scotte, Sienna, Italy
FEBS Lett 481:285-8. 2000..These results indicate that MECP2 mutations are not necessarily lethal in males and that they can be causative of non-specific X-linked mental retardation...
Unusually severe expression of craniofacial features in Aarskog-Scott syndrome due to a novel truncating mutation of the FGD1 geneA Orrico
Department of Oncology, UOC Molecular Medicine, Azienda Ospedaliera Universitaria Senese, Siena, Italy
Am J Med Genet A 143:58-63. 2007....
Autosomal recessive syndrome of growth and mental retardation, seizures, retinal abnormalities, and osteodysplasia with similarity to the Gurrieri syndromeA Orrico
Dipartimento di Biologia Molecolare, U O Genetica Medica, Siena, Italy
Am J Med Genet 82:84-7. 1999..The new features described in these sibs could expand the clinical spectrum of the Gurrieri syndrome and confirm the existence of this rare autosomal recessive condition...
Mutations in the RYR1 gene in Italian patients at risk for malignant hyperthermia: evidence for a cluster of novel mutations in the C-terminal regionL Galli
U.O. Medical Genetics, Azienda Ospedaliera Universitaria Senese, Siena, Italy
Cell Calcium 32:143-51. 2002..These results indicate that the C-terminal region of RYR1 represents an additional hot spot for mutations in patients with MH, similar to what has been reported for patients with CCD...
SCN1A (2528delG) novel truncating mutation with benign outcome of severe myoclonic epilepsy of infancyS Buoni
Department of Pediatrics, University of Siena, Siena, Italy
Neurology 66:606-7. 2006
Mutations in the glucose-6-phosphate transporter (G6PT) gene in patients with glycogen storage diseases type 1b and 1cL Galli
Unit of Medical Genetics, Policlinico Le Scotte, Siena, Italy
FEBS Lett 459:255-8. 1999....
Frequency and localization of mutations in the 106 exons of the RYR1 gene in 50 individuals with malignant hyperthermiaLucia Galli
Molecular Medicine Section, Department of Neuroscience, University of Siena and Azienda Ospedaliera Universitaria Senese, Siena, Italy
Hum Mutat 27:830. 2006..These data provide clear evidence that mutations in the RYR1 gene are the predominant cause of MH...
Spinocerebellar ataxia type 2 (SCA2) associated with retinal pigmentary degenerationAlessandra Rufa
Unit of Neurometabolic Disease and Research Centre for Diagnosis, Prevention and Therapy of Neurohandicaps, University of Siena, Siena, Italy
Eur Neurol 47:128-9. 2002
Haploinsufficiency of TCF4 causes syndromal mental retardation with intermittent hyperventilation (Pitt-Hopkins syndrome)Christiane Zweier
Institute of Human Genetics, Institute of Human Genetics, University Hospital Erlangen, Friedrich Alexander University Erlangen Nuremberg, Erlangen, Germany
Am J Hum Genet 80:994-1001. 2007....
Unilateral focal polymicrogyria in a patient with classical Aarskog-Scott syndrome due to a novel missense mutation in an evolutionary conserved RhoGEF domain of the faciogenital dysplasia gene FGD1Armand Bottani
Division of Medical Genetics, Geneva University Hospitals, Geneva, Switzerland
Am J Med Genet A 143:2334-8. 2007..Brain cortex malformations such as PMG could be initiated by mutations in the evolutionary conserved RhoGEF domain of FGD1, by perturbing the signaling via Rho GTPases such as Cdc42 known to cause brain malformation...
A truncation in the RYR1 gene associated with central core lesions in skeletal muscle fibresDaniela Rossi
Molecular Medicine Section, Department of Neuroscience, University of Siena, Siena 53100, Italy
J Med Genet 44:e67. 2007....

