Research Topics
Species | M B PetersenSummaryAffiliation: University of Athens Country: Greece Publications
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Detail Information
Publications
Iron overload and kidney lysosomesE Dimitriou
Institute of Child Health, Aghia Sophia Children s Hospital, Athens, Greece
Biochim Biophys Acta 1501:138-48. 2000..Lysosomes became more fragile and showed increased density. The extent of the above changes seemed to correlate with the extent and duration of iron accumulation and could be reversed when the iron load was reduced...
The association of serum lipids, lipoproteins and apolipoproteins with selected trace elements and minerals in phenylketonuric patients on dietKleopatra H Schulpis
Institute of Child Health, Aghia Sophia Children s Hospital, 11527 Athens, Greece
Clin Nutr 23:401-7. 2004....
Maternal-neonatal retinol and alpha-tocopherol serum concentrations in Greeks and AlbaniansK H Schulpis
Institute of Child Health, Aghia Sophia Children s Hospital, Athens, Greece
Acta Paediatr 93:1075-80. 2004..Vitamin A and E are required in physiological processes such as pregnancy and growth...
The expanding spectrum of disorders with elevated plasma chitotriosidase activity: an updateH Michelakakis
Department of Enzymology and Cellular Function, Institute of Child Health, Athens, Greece
J Inherit Metab Dis 27:705-6. 2004....
Non-syndromic, autosomal-recessive deafnessM B Petersen
Department of Genetics, Institute of Child Health, Aghia Sophia Children s Hospital, Athens, Greece
Clin Genet 69:371-92. 2006..Identification of all genes involved in hereditary hearing loss will help in our understanding of the basic mechanisms underlying normal hearing, in early diagnosis and therapy...
Homozygosity for the double D409H+H255Q allele in type II Gaucher diseaseHelen Michelakakis
Department of Enzymology and Cellular Function, Institute of Child Health, Athens, Greece
J Inherit Metab Dis 29:591. 2006..The double D409H+H255Q allele was found in heterozygosity in Greek, Bulgarian and Argentinian patients but was not IDentified in any Spanish patients carrying the D409H mutation...
Supernumerary marker chromosome 5 diagnosed by M-FISH in a child with congenital heart defect and unusual faceC Sarri
Genetics Department, Institute of Child Health, Aghia Sophia Children s Hospital, Athens, Greece
Cytogenet Genome Res 114:330-7. 2006..As far as we know, eight similar cases have been published up to now. We describe a new case which, to our knowledge, is the first characterized in such detail. The role of uniparental disomy (UPD) in cases of SMC is also discussed...
Serum S100B levels in X-linked adrenoleukodystrophy and Gaucher diseaseH Michelakakis
Enzymology and Cellular Function Department, Institute of Child Health, Aghia Sophia Children s Hospital, Athens, Greece
J Inherit Metab Dis 30:822. 2007..Our results indicate that serum S100B levels cannot serve as peripheral marker in the evaluation of brain disease in X-ALD and GD...
Sudden hearing loss in a family with GJB2 related progressive deafnessHaris Kokotas
Department of Genetics, Institute of Child Health, Aghia Sophia Children s Hospital, Thivon and Levadias, 115 27 Athens, Greece
Int J Pediatr Otorhinolaryngol 72:1735-40. 2008..We report an unusual family with four 35delG homozygous members, in which the parents were deaf-mute whilst both children had a postlingual progressive hearing loss. Furthermore, the son suffered from sudden hearing loss...
Plasma lysosomal enzyme activities in congenital disorders of glycosylation, galactosemia and fructosemiaHelen Michelakakis
Department of Enzymology and Cellular Function, Institute of Child Health, Athens, Greece
Clin Chim Acta 401:81-3. 2009..We report on the plasma activity of AGA and other lysosomal enzymes in patients with different types of primary and secondary CDG defects...
Serum levels of neural protein S-100B in phenylketonuriaKleopatra H Schulpis
Institute of Child Health, Aghia Sophia Children s Hospital, 11527 Athens, Greece
Clin Biochem 37:76-9. 2004..Phenylketonuria (PKU) is a metabolic disorder characterized by high phenylalanine (Phe) levels in blood and foci of myelin absence in the CNS of untreated patients...
The effect of neonatal jaundice on biotinidase activityKleopatra H Schulpis
Institute of Child Health, Aghia Sophia Children s Hospital, 11527, Athens, Greece
Early Hum Dev 72:15-24. 2003..Jaundice is one of the most common and one of the vexing problems that can occur in newborns. A newborn screening test for biotinidase deficiency has been added to many national screening programmes...
Effect of diet on plasma total antioxidant status in phenylketonuric patientsK H Schulpis
Institute of Child Health, Aghia Sophia Children s Hospital, Athens, Greece
Eur J Clin Nutr 57:383-7. 2003..Phenylketonuria (PKU), an inborn error of phenylalanine (Phe) metabolism, is treated with a low Phe lifelong diet, which is a vegetarian and contains many antioxidants...
Acetylcholinesterase activity and biogenic amines in phenylketonuriaKleopatra H Schulpis
Institute of Child Health, Aghia Sophia Children's Hospital, 11527 Athens, Greece
Clin Chem 48:1794-6. 2002
Non-syndromic autosomal-dominant deafnessM B Petersen
Department of Genetics, Institute of Child Health, Aghia Sophia Children s Hospital, GR 11527 Athens, Greece
Clin Genet 62:1-13. 2002....
Nondisjunction in trisomy 21: origin and mechanismsM B Petersen
Department of Genetics, Institute of Child Health, Athens, Greece
Cytogenet Cell Genet 91:199-203. 2000..Advanced maternal age remains the only well documented risk factor for maternal meiotic nondisjunction, but there is, however, still a surprising lack of understanding of the basic mechanisms behind the maternal age effect...
Early-onset severe neurological involvement and D409H homozygosity in Gaucher disease: outcome of enzyme replacement therapyH Michelakakis
Department of Enzymology and Cellular Function, Ag Sophia Children s Hospital, 11527 Athens, Greece
Blood Cells Mol Dis 28:1-4. 2002..Enzyme replacement therapy, while improving the hematological parameters and organomegaly, failed to improve or even arrest the neurological condition...
Mutation analysis of the GJB2 (connexin 26) gene by DGGE in Greek patients with sensorineural deafnessT Antoniadi
Department of Genetics and Molecular Biology, Mitera Maternity and Surgical Center, Athens, Greece
Hum Mutat 16:7-12. 2000..A novel sequence variation, K224Q, was identified as the sole mutation in one patient. Use of this approach may contribute to the full description of mutations in this important deafness gene...
Prenatal diagnosis of hypochondroplasia: report of two casesC Karadimas
Department of Genetics and Molecular Biology, Mitera Maternity and Surgical Center, Athens, Greece
Am J Med Genet A 140:998-1003. 2006..We conclude that the combination of ultrasound and molecular genetic approach is helpful for establishing an accurate diagnosis of HCH in utero and subsequently for appropriate genetic counseling and perinatal management...
Prenatal diagnosis of two rare de novo structural aberrations of the Y chromosome: cytogenetic and molecular analysisV Velissariou
Cytogenetics Laboratory, Department of Genetics and Molecular Biology, Mitera Maternity and Surgical Center, Athens, Greece
Prenat Diagn 21:484-7. 2001..The clinical significance of these findings is discussed...
Prenatal diagnosis of prelingual deafness: carrier testing and prenatal diagnosis of the common GJB2 35delG mutationT Antoniadi
Department of Genetics and Molecular Biology, MITERA' Maternity and Surgical Center, Athens, Greece
Prenat Diagn 21:10-3. 2001..The description of this common mutation has opened the way to prenatal diagnosis of prelingual deafness, and we here describe our experience with 29 couples requesting counseling, carrier testing and prenatal diagnosis of DFNB1 deafness...
Sex-linked deafnessM B Petersen
Department of Genetics, Institute of Child Health, Athens, Greece
Clin Genet 73:14-23. 2008..This study reviews the different sex-linked genes and loci on the X- and Y chromosome leading to syndromic and especially non-syndromic hearing loss...
Tetrasomy 9p mosaicism associated with a normal phenotype in two casesI Papoulidis
Eurogenetica S A, Thessaloniki and Athens, Greece
Cytogenet Genome Res 136:237-41. 2012..STR analysis performed on this complex mosaic case indicated that the extra isochromosome was of maternal origin while the X chromosome aneuploidy was of paternal origin, indicating a postzygotic event...
Mitochondrial deafnessH Kokotas
Department of Genetics, Institute of Child Health, Athens, Greece
Clin Genet 71:379-91. 2007..This study reviews the different mitochondrial mutations, leading to syndromic and especially non-syndromic deafness...
First trimester diagnosis of 13q-syndrome associated with increased fetal nuchal translucency thickness. Clinical findings and systematic reviewE Manolakos
Laboratory of Genetics, Eurogenetica, Athens, Greece
Clin Exp Obstet Gynecol 39:118-21. 2012..Our case emphasizes the importance of a detailed 11-14 week ultrasound assessment in diagnosing fetal chromosomal aberrations in combination with the modern aspects of array CGH, thus providing more precise and rapid prenatal diagnosis...
Clinical and molecular aspects of aniridiaH Kokotas
Department of Genetics, Institute of Child Health, Aghia Sophia Children s Hospital, Athens, Greece
Clin Genet 77:409-20. 2010..Here we review the data regarding the mechanisms and the mutations that relate to aniridia...
A simple and effective approach for detecting maternal cell contamination in molecular prenatal diagnosisT Antoniadi
Laboratory of Molecular Biology, Department of Genetics and Molecular Biology, Mitera Maternity and Surgical Center, Athens, Greece
Prenat Diagn 22:425-9. 2002..The choice of the appropriate locus is therefore essential, while the simultaneous screening of both parents provides the means for distinguishing non-informative sites about MCC...
Clinical variability of genetic isolates of Cohen syndromeS Douzgou
Department of Genetics, Institute of Child Health, Aghia Sophia Children s Hospital, Athens, Greece
Clin Genet 79:501-6. 2011....
Chitotriosidase in neonates with fungal and bacterial infectionsI Labadaridis
Institute of Child Health, Agia Sophia Children's Hospital, 11527 Athens, Greece
Arch Dis Child Fetal Neonatal Ed 90:F531-2. 2005..Increased levels were also found in neonates with bacterial infection. Chitotriosidase activity increase is not a response specific to fungi, but serial assays could monitor the course of neonatal fungal infection...
