Linkage analysis with chromosome 15q11-13 markers shows genomic imprinting in familial Angelman syndrome.

abstract：:Three hundred and fifty pregnancies were monitored by transabdominal amniocentesis in the fourteenth to sixteenth week of gestation followed by karyotyping or biochemica assays of cultured amniotic fluid cells and analysis of alpha-fetoprotein in the amniotic fluid supernatant. The pregnancy was interrupted in 36 case...

journal_title：Journal of medical genetics

authors： Niermeijer MF,Sachs ES,Jahodova M,Tichelaar-Klepper C,Kleijer WJ,Galjaard H

更新日期：1976-06-01 00:00:00

abstract：AIMS AND BACKGROUND:Mutations in the TARDBP gene, which encodes the TAR DNA binding protein (TDP-43), have been described in individuals with familial and sporadic amyotrophic lateral sclerosis (ALS). We screened the TARDBP gene in 285 French sporadic ALS patients to assess the frequency of TARDBP mutations in ALS. RE...

journal_title：Journal of medical genetics

authors： Daoud H,Valdmanis PN,Kabashi E,Dion P,Dupré N,Camu W,Meininger V,Rouleau GA

更新日期：2009-02-01 00:00:00

abstract：:Ehlers-Danlos syndrome (EDS) is a heterogeneous group of connective tissue disorders. Recently mutations have been found in the genes for type V collagen in a small number of people with the most common forms of EDS, types I and II. Here we characterise a COL5A2 mutation in an EDS II family. Cultured dermal fibroblast...

journal_title：Journal of medical genetics

authors： Richards AJ,Martin S,Nicholls AC,Harrison JB,Pope FM,Burrows NP

更新日期：1998-10-01 00:00:00

abstract：BACKGROUND:Rare variants in hundreds of genes have been implicated in developmental delay (DD), intellectual disability (ID) and neurobehavioural phenotypes. TNRC6B encodes a protein important for RNA silencing. Heterozygous truncating variants have been reported in three patients from large cohorts with autism, but no...

journal_title：Journal of medical genetics

authors： Granadillo JL,P A Stegmann A,Guo H,Xia K,Angle B,Bontempo K,Ranells JD,Newkirk P,Costin C,Viront J,Stumpel CT,Sinnema M,Panis B,Pfundt R,Krapels IPC,Klaassens M,Nicolai J,Li J,Jiang Y,Marco E,Canton A,Latronico

更新日期：2020-10-01 00:00:00

abstract：:We describe a child with typical features of the 3-M syndrome who presented with acute hydrocephalus owing to haemorrhage from one of two intracranial cerebral vascular aneurysms. We suggest that other children with this disorder should be screened for similar complications. ...

journal_title：Journal of medical genetics

authors： Mueller RF,Buckler J,Arthur R,Bonsor G,Dear P,Walters K,Towns GM

更新日期：1992-06-01 00:00:00

abstract：BACKGROUND:Primary pulmonary hypertension (PPH), resulting from occlusion of small pulmonary arteries, is a devastating condition. Mutations of the bone morphogenetic protein receptor type II gene (BMPR2), a component of the transforming growth factor beta (TGF-beta) family which plays a key role in cell growth, have r...

journal_title：Journal of medical genetics

authors： Thomson JR,Machado RD,Pauciulo MW,Morgan NV,Humbert M,Elliott GC,Ward K,Yacoub M,Mikhail G,Rogers P,Newman J,Wheeler L,Higenbottam T,Gibbs JS,Egan J,Crozier A,Peacock A,Allcock R,Corris P,Loyd JE,Trembath RC,Nic

更新日期：2000-10-01 00:00:00

abstract：BACKGROUND:Recessive forms of osteogenesis imperfecta (OI) may be caused by mutations in LEPRE1, encoding prolyl 3-hydroxylase-1 (P3H1) or in CRTAP, encoding cartilage associated protein. These proteins constitute together with cyclophilin B (CyPB) the prolyl 3-hydroxylation complex that hydroxylates the Pro986 residue...

journal_title：Journal of medical genetics

authors： Willaert A,Malfait F,Symoens S,Gevaert K,Kayserili H,Megarbane A,Mortier G,Leroy JG,Coucke PJ,De Paepe A

更新日期：2009-04-01 00:00:00

abstract：:Late onset Huntington's disease is characterised by onset of symptoms after the age of 50 and is usually associated with a milder course. We have analysed the CAG trinucleotide repeat within the HD gene in 133 late onset patients from 107 extended families. The median upper allele size for the CAG repeat was 42 with a...

journal_title：Journal of medical genetics

authors： Kremer B,Squitieri F,Telenius H,Andrew SE,Theilmann J,Spence N,Goldberg YP,Hayden MR

更新日期：1993-12-01 00:00:00

abstract：:PurposeThe purpose of this document is to provide guidance for the use of next-generation sequencing (NGS, also known as massively parallel sequencing or MPS) in Canadian clinical genetic laboratories for detection of genetic variants in genomic DNA and mitochondrial DNA for inherited disorders, as well as somatic var...

journal_title：Journal of medical genetics

authors： Hume S,Nelson TN,Speevak M,McCready E,Agatep R,Feilotter H,Parboosingh J,Stavropoulos DJ,Taylor S,Stockley TL,Canadian College of Medical Geneticists (CCMG).

更新日期：2019-12-01 00:00:00

abstract：:Bardet-Biedl syndrome (BBS) is an autosomal recessive condition characterised by rod-cone dystrophy, postaxial polydactyly, central obesity, mental retardation, hypogonadism, and renal dysfunction. BBS expression varies both within and between families and diagnosis is often difficult. We sought to define the conditio...

journal_title：Journal of medical genetics

authors： Beales PL,Elcioglu N,Woolf AS,Parker D,Flinter FA

更新日期：1999-06-01 00:00:00

abstract：:Chromosome and enzyme determinations were performed in 250 pregnancies between the 7th and the 12th week of gestation. The majority of the tests were performed for risk of chromosomal abnormalities and 75% of the women were 35 years old or more. We describe a chorionic villi sampling (CVS) technique which proved to be...

journal_title：Journal of medical genetics

authors： Brambati B,Simoni G,Danesino C,Oldrini A,Ferrazzi E,Romitti L,Terzoli G,Rossella F,Ferrari M,Fraccaro M

更新日期：1985-04-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:In clinical settings with fixed resources allocated to predictive genetic testing for high-risk cancer predisposition genes, optimal strategies for mutation screening programmes are critically important. These depend on the mutation spectrum found in the population under consideration and the f...

journal_title：Journal of medical genetics

authors： Simard J,Dumont M,Moisan AM,Gaborieau V,Malouin H,Durocher F,Chiquette J,Plante M,Avard D,Bessette P,Brousseau C,Dorval M,Godard B,Houde L,INHERIT BRCAs.,Joly Y,Lajoie MA,Leblanc G,Lépine J,Lespérance B,Vézina H,

更新日期：2007-02-01 00:00:00

abstract：BACKGROUND:Genomic imprinting is a process causing genes to be expressed according to parental origin. Imprinting acts to coordinate fetal and prenatal growth, as well as control postnatal adaptations. Studies on human imprinting are confounded by tissue availability, sampling variability and limitations posed by tissu...

journal_title：Journal of medical genetics

authors： Lim AL,Ng S,Leow SC,Choo R,Ito M,Chan YH,Goh SK,Tng E,Kwek K,Chong YS,Gluckman PD,Ferguson-Smith AC

更新日期：2012-11-01 00:00:00

abstract：:The detailed clinical features and progress of a child with homozygous alpha 2(I) collagen deficiency are described. Clinically, the disease presents as severe progressive Sillence type III osteogenesis imperfecta. The main biochemical defect is the synthesis of an abnormal pro alpha 2(I) chain which does not associat...

journal_title：Journal of medical genetics

authors： Nicholls AC,Osse G,Schloon HG,Lenard HG,Deak S,Myers JC,Prockop DJ,Weigel WR,Fryer P,Pope FM

更新日期：1984-08-01 00:00:00

abstract：BACKGROUND:The 5α-reductase type 2 (5α-RD2) deficiency caused by mutations in the steroid 5α-reductase 2 (SRD5A2) gene results in variable degrees of undervirilisation in patients with 46,XY disorders of sex development. This study aims to profile the regional distribution and phenotype-genotype characteristics of SRD5...

journal_title：Journal of medical genetics

authors： Gui B,Song Y,Su Z,Luo FH,Chen L,Wang X,Chen R,Yang Y,Wang J,Zhao X,Fan L,Liu X,Wang Y,Chen S,Gong C

更新日期：2019-10-01 00:00:00

abstract：:Two sisters are described with a disorder characterised by mental retardation, congenital cataract, progressive spinocerebellar ataxia, sensorineural deafness, and signs of peripheral neuropathy. Progressive hearing loss, ataxia, and polyneuropathy became evident in the third decade. The differential diagnosis of this...

journal_title：Journal of medical genetics

authors： Begeer JH,Scholte FA,van Essen AJ

更新日期：1991-12-01 00:00:00

abstract：:Oguchi disease is a rare autosomal recessive form of congenital stationary night blindness. The condition is associated with fundus discolouration and abnormally slow dark adaptation. Earlier studies suggested that the 48 kD protein S antigen may be involved in the recovery phase of light transduction. Previous cytoge...

journal_title：Journal of medical genetics

authors： Maw MA,John S,Jablonka S,Müller B,Kumaramanickavel G,Oehlmann R,Denton MJ,Gal A

更新日期：1995-05-01 00:00:00

abstract：BACKGROUND:Orofacial cleft (OFC) is the most prevalent craniofacial birth defect. Genes involved in one-carbon, folate and vitamin B12 metabolisms have been associated with OFC but no study performed a concomitant assessment on genes involved in these three pathways. OBJECTIVE:We looked for potential genetic variants ...

journal_title：Journal of medical genetics

authors： Goffinet L,Oussalah A,Guéant-Rodriguez RM,Chery C,Basha M,Avogbe PH,Josse T,Jeannesson E,Rouyer P,Flayac J,Gerard P,Le Touze A,Bonin-Goga B,Goga D,Simon E,Feillet F,Vikkula M,Guéant JL

更新日期：2016-12-01 00:00:00

abstract：:We report a Scottish child with inv dup (15) and compare the clinical features with those of previously reported cases. Since the first report by Parker and Alfi in 1972, there have been 44 reports of patients with confirmed or suspected inv dup (15). The extra chromosomal material has been variously described, but in...

journal_title：Journal of medical genetics

authors： Gilmore DH,Boyd E,McClure JP,Batstone P,Connor JM

更新日期：1984-06-01 00:00:00

abstract：:The appropriate ABH-gene specified glycosyltransferases in the plasma of the Birmingham chimaera were estimated. These observatiions and the demonstration of A1Leb blood group specific glycosphingolipid in the plasma indicate that the minority population of red blood cells probably represents the true blood groups of ...

journal_title：Journal of medical genetics

authors： Bird GW,Battey DA,Greenwell P,Mortimer CW,Watkins WM,Wingham J

更新日期：1976-02-01 00:00:00

abstract：:A review of the data supports the suggestion of Knox (1974) that the sex ratio and incidence of anencephalics vary together within populations, as they are known to do between populations. There seems some doubts, though, whether Knox was correct in hypothesising that the sex ratio of anencephalics varies with their i...

journal_title：Journal of medical genetics

authors： James WH

更新日期：1979-04-01 00:00:00

abstract：:Albright hereditary osteodystrophy (AHO) is an autosomal dominant disorder characterised by the presence of brachymetaphalangism, short stature, obesity, and mental retardation. Variable biochemical changes many represent either pseudohypoparathyroidism (PHP) owing to resistance to parathormone (PTH) or pseudopseudohy...

journal_title：Journal of medical genetics

authors： Power MM,James RS,Barber JC,Fisher AM,Wood PJ,Leatherdale BA,Flanagan DE,Hatchwell E

更新日期：1997-04-01 00:00:00

abstract：BACKGROUND:Fabry disease is characterised by the progressive accumulation of globotriaosylceramide (Gb3) and related glycosphingolipids in vascular endothelial cells. Enzyme replacement therapy (ERT) clears this accumulation. We analysed plasma proteome profiles before and after ERT to characterise its molecular pathol...

journal_title：Journal of medical genetics

authors： Heo SH,Kang E,Kim YM,Go H,Kim KY,Jung JY,Kang M,Kim GH,Kim JM,Choi IH,Choi JH,Jung SC,Desnick RJ,Yoo HW,Lee BH

更新日期：2017-11-01 00:00:00

abstract：:Beckwith-Wiedemann syndrome (BWS) is a congenital overgrowth syndrome associated with a characteristic pattern of visceromegaly and predisposition to childhood tumours. BWS is a genetically heterogeneous disorder; most cases are sporadic but approximately 15% are familial and a small number of BWS patients have cytoge...

journal_title：Journal of medical genetics

authors： Catchpoole D,Lam WW,Valler D,Temple IK,Joyce JA,Reik W,Schofield PN,Maher ER

更新日期：1997-05-01 00:00:00

abstract：:Floating-Harbor syndrome (FHS) is a rare human disease characterised by delayed bone mineralisation and growth deficiency, often associated with mental retardation and skeletal and craniofacial abnormalities. FHS was first described at Boston's Floating Hospital 42 years ago, but the causative gene, called Srcap, was ...

journal_title：Journal of medical genetics

authors： Messina G,Atterrato MT,Dimitri P

更新日期：2016-12-01 00:00:00

abstract：:Huntington's disease (HD) is an autosomal dominant condition with almost complete penetrance. The age of onset of the symptoms, however, is variable and depends on the parental origin of the gene. A high proportion of early onset cases inherit the HD gene from their father, whereas a considerable proportion of late on...

journal_title：Journal of medical genetics

authors： Reik W

更新日期：1988-12-01 00:00:00

abstract：:The families of 102 index patients with bladder exstrophy treated at The Hospital for Sick Children, Great Ormond Street were studied in an attempt to arrive at an empirical risk of recurrence for sibs. Of the 102 patients, 89 had complete exstrophy, eight had partial exstrophy (variant), and five had exstrophy of the...

journal_title：Journal of medical genetics

authors： Ives E,Coffey R,Carter CO

更新日期：1980-04-01 00:00:00

abstract：BACKGROUND:Pulmonary fibrosis is a complex disease for which the predisposing genetic variants remain unknown. In a prior study, susceptibility to bleomycin induced pulmonary fibrosis was mapped to loci Blmpf1 and Blmpf2 on chromosomes 17 and 11, respectively, in a C57BL/6J (B6, susceptible) and C3Hf/KAM (C3H, resistan...

journal_title：Journal of medical genetics

authors： Haston CK,Tomko TG,Godin N,Kerckhoff L,Hallett MT

更新日期：2005-06-01 00:00:00

abstract：:We have evaluated a patient with Jacobsen syndrome. The patient presented with growth retardation, hypotonia, trigonocephaly, telecanthus, downward slanting palpebral fissures, bilateral inferior colobomas (of the iris, choroid, and retina), hydrocephalus, central nervous system (CNS) abnormalities, and an endocardial...

journal_title：Journal of medical genetics

authors： Pivnick EK,Velagaleti GV,Wilroy RS,Smith ME,Rose SR,Tipton RE,Tharapel AT

更新日期：1996-09-01 00:00:00

abstract：:We report three new mutations in the gene for aldolase B that are associated with hereditary fructose intolerance (HFI). Two nonsense mutations create opal termination codons: R3op (C-->T, Arg3-->ter, exon 2) was found in homozygous form in four affected members of a large consanguineous Turkish pedigree and R59op (C-...

journal_title：Journal of medical genetics

authors： Ali M,Tunçman G,Cross NC,Vidailhet M,Bökesoy I,Gitzelmann R,Cox TM

更新日期：1994-06-01 00:00:00