Irish Child Health Database - Peer Reviewed Papers
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The aim of this study was to examine matrilineal risk in families with neural tube defects by comparing adverse pregnancy outcomes among maternal and paternal first cousin pregnancies.
Abstract:
Adverse pregnancy outcomes may be more frequent among sibs of individuals with neural tube defects (NTDs), and transmission of risk in families with an NTD may be more frequent among maternal relatives. In a study designed to evaluate matrilineal risk for NTDs, we compared adverse pregnancy outcomes among maternal and paternal first cousin pregnancies. Pregnancy histories were obtained more...
International Classification:
Congenital malformations, deformations and chromosomal abnormalities - neural tube defects - condiction
Categories:
neural tube defects
Geography:
Republic of Ireland
Am J Med Genet A,
Vol: 140 Page: 52-61 January 2006
J. Byrne; S. Carolan
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The aim of this study was to describe four polymorphisms and two markers in the MAO-A gene for association with attention-deficit hyperactivity disorder
Abstract:
Pharmacological and genetic studies suggest the importance of the dopaminergic, serotonergic, and noradrenergic systems in the pathogenesis of attention deficit hyperactivity disorder (ADHD). Monoamine oxidases A and B (MAO-A and MAO-B) degrade biogenic amines such as dopamine and serotonin and thereby control the levels of these neurotransmitters in the central nervous system. We more...
International Classification:
Mental and behavioural disorders - Behavioural and emotional disorders with onset usually occurring in childhood and adolescence - attention-deficit hyperactivity disorder
Categories:
attention-deficit hyperactivity disorder
Geography:
Republic of Ireland
Am J Med Genet B Neuropsychiatr Genet,
Vol: 134B Page: 110-4 April 2005
K. Domschke; K. Sheehan; N. Lowe; A. Kirley; C. Mullins; R. O'Sullivan; C. Freitag; T. Becker; J. Conroy; M. Fitzgerald; M. Gill; Z. Hawi
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The aim of this study was to examine the associations between early life factors and childhood acute lymphoblastic leukaemia
Abstract:
In a historical cohort study of all singleton live births in Northern Ireland from 1971-86 (n=434,933) associations between early life factors and childhood acute lymphoblastic leukaemia were investigated. Multivariable analyses showed a positive association between high paternal age (> or =35 years) and acute lymphoblastic leukaemia (relative risk=1.49; 95% confidence interval more...
International Classification:
Neoplasms-lymphoblastic leukaemia
Categories:
lymphoblastic leukaemia (acute)
Geography:
Northern Ireland
Br J Cancer,
Vol: 86 Page: 356-61 February 2002
L. Murray; P. McCarron; K. Bailie; R. Middleton; G. Davey Smith; S. Dempsey; A. McCarthy; A. Gavin
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The aim of this study was to describe first neuronally expressed exon 1 at the dopa decarboxylase gene and two microsatellite markers flanking the gene were investigated for possible association with attention-deficit hyperactivity disorder
Abstract:
Dopa decarboxylase (DDC) is an enzyme which catalyses the decarboxylation of both dopa to dopamine and L-5 hydroxytryptophan to serotonin. Both catecholamines are major neurotransmitters of the mammalian nervous system. It has been suggested that genes involved in the dopaminergic system play a primary role in predisposing to attention deficit hyperactivity disorder (ADHD). In this more...
International Classification:
Mental and behavioural disorders - Behavioural and emotional disorders with onset usually occurring in childhood and adolescence - attention-deficit hyperactivity disorder
Categories:
attention-deficit hyperactivity disorder
Geography:
Republic of Ireland
Mol Psychiatry,
Vol: 6 Page: 420-4 July 2001
Z. Hawi; D. Foley; A. Kirley; M. McCarron; M. Fitzgerald; M. Gill
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The aim of this study was to examine the association of a variant in the HOXA1 gene and autism
Abstract:
Two recent studies have reported conflicting findings of association of a variant in the HOXA1 gene and autism. To try to resolve the conflict in findings, we conducted an association study in 78 Irish families of the reported DNA variants. We did not find statistically significant association between the variants and autism. Similarly there was no evidence of preferential transmission more...
International Classification:
Mental and behavioural disorders - Disorders of psychological development - autism
Categories:
autism
Geography:
Republic of Ireland
Am J Med Genet B Neuropsychiatr Genet,
Vol: 124B Page: 64-7 January 2004
L. Gallagher; Z. Hawi; G. Kearney; M. Fitzgerald; M. Gill
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The aim of this study was to examine linkage or association between the norepinephrine transporter gene polymorphisms and attention-deficit hyperactivity disorder in the Irish population
International Classification:
Mental and behavioural disorders - Behavioural and emotional disorders with onset usually occurring in childhood and adolescence - attention-deficit hyperactivity disorder
Categories:
attention-deficit hyperactivity disorder
Geography:
Republic of Ireland
Am J Med Genet,
Vol: 114 Page: 665-6 August 2002
B. McEvoy; Z. Hawi; M. Fitzgerald; M. Gill
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The aim of this study was to examine monoaminergic candidate genes for possible genetic association with attention-deficit hyperactivity disorder
Abstract:
Family, twin, and adoption studies have demonstrated a significant genetic contribution to the etiology of attention-deficit/hyperactivity disorder (ADHD). Pharmacological, neuroimaging, and animal-model findings suggest imbalances in monoaminergic (dopaminergic, serotonergic, and noradrenergic) neurotransmission in ADHD. We have examined monoaminergic candidate genes for possible more...
International Classification:
Mental and behavioural disorders - Behavioural and emotional disorders with onset usually occurring in childhood and adolescence - attention-deficit hyperactivity disorder
Categories:
attention-deficit hyperactivity disorder
Geography:
Republic of Ireland
Am J Hum Genet,
Vol: 77 Page: 958-65 December 2005
Z. Hawi; R. Segurado; J. Conroy; K. Sheehan; N. Lowe; A. Kirley; D. Shields; M. Fitzgerald; L. Gallagher; M. Gill
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This aim of this study was to screen for a new MTHFR polymorphisms and neural tube defect risk
Abstract:
The enzyme, 5,10-methylenetetrahydrofolate reductase (MTHFR) plays a key role in cellular folate metabolism. The A222V (677C->T) polymorphism is a confirmed neural tube defect (NTD) risk factor within Irish and other populations. To search for other unknown single nucleotide polymorphisms (SNPs) that might play a role in the etiology of NTDs, we examined the entire MTHFR coding region more...
International Classification:
Congenital malformations, deformations and chromosomal abnormalities - neural tube defects - condiction
Categories:
polymorphisms; neural tube defect
Geography:
Republic of Ireland
Am J Med Genet A,
Vol: 138A Page: 99-106 October 2005
V. B. O'Leary; J. L. Mills; A. Parle-McDermott; F. Pangilinan; A. M. Molloy; C. Cox; A. Weiler; M. Conley; P. N. Kirke; J. M. Scott; L. C. Brody
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The aim of this study was to describe the association of serotonin transporter gene and autism
Abstract:
The role of the serotonin transporter (5-HTT) in the development of neuropsychiatric disorders has been widely investigated. Two polymorphisms, an insertion/deletion in the promoter region and a 12 repeat allele in a variable nucleotide tandem repeat (VNTR) in intron 2, drive higher expression of the 5-HTT gene. Four studies have shown nominally significant excess transmission of more...
International Classification:
Mental and behavioural disorders - Disorders of psychological development - autism
Categories:
autism
Geography:
Republic of Ireland
Mol Psychiatry,
Vol: 9 Page: 587-93 June 2004
J. Conroy; E. Meally; G. Kearney; M. Fitzgerald; M. Gill; L. Gallagher
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The aim of this study was to describe the association of eight single nucleotide polymorphisms in the TPH2 gene with attention-deficit hyperactivity disorder
Abstract:
Genetic and pharmacological studies have emphasised the role of serotonin 5-hydroxytryptamine (5-HT) as a possible etiologic factor in the development of attention-deficit hyperactivity disorder (ADHD). Tryptophan hydroxylase (TPH) is a rate-limiting enzyme in the biosynthesis of serotonin from tryptophan. Originally, the TPH gene was thought to be widely expressed, but a second form of more...
International Classification:
Mental and behavioural disorders - Behavioural and emotional disorders with onset usually occurring in childhood and adolescence - attention-deficit hyperactivity disorder
Categories:
attention-deficit hyperactivity disorder
Geography:
Republic of Ireland
Mol Psychiatry,
Vol: 10 Page: 944-9 October 2005
K. Sheehan; N. Lowe; A. Kirley; C. Mullins; M. Fitzgerald; M. Gill; Z. Hawi
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