Atypical hereditary neuropathy with liability to pressure palsies (HNPP): the value of direct DNA diagnosis.

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：INTRODUCTION:Interpretation of results from mutation screening of tumour suppressor genes known to harbour high risk susceptibility mutations, such as APC, BRCA1, BRCA2, MLH1, MSH2, TP53, and PTEN, is becoming an increasingly important part of clinical practice. Interpretation of truncating mutations, gene rearrangemen...

journal_title：Journal of medical genetics

authors： Abkevich V,Zharkikh A,Deffenbaugh AM,Frank D,Chen Y,Shattuck D,Skolnick MH,Gutin A,Tavtigian SV

更新日期：2004-07-01 00:00:00

abstract：BACKGROUND:In phenylketonuria, genetic heterogeneity, frequent compound heterozygosity, and the lack of functional data for phenylalanine hydroxylase genotypes hamper reliable phenotype prediction and individualised treatment. METHODS:A literature search revealed 690 different phenylalanine hydroxylase genotypes in 30...

journal_title：Journal of medical genetics

authors： Danecka MK,Woidy M,Zschocke J,Feillet F,Muntau AC,Gersting SW

更新日期：2015-03-01 00:00:00

abstract：:Angelman syndrome (AS) and Prader-Willi syndrome (PWS) have become the classical examples of genomic imprinting in man, as completely different phenotypes are generated by the absence of maternal (AS) or paternal (PWS) contributions to the q11-13 region of chromosome 15 as a result of deletion or uniparental disomy. A...

journal_title：Journal of medical genetics

authors： Meijers-Heijboer EJ,Sandkuijl LA,Brunner HG,Smeets HJ,Hoogeboom AJ,Deelen WH,van Hemel JO,Nelen MR,Smeets DF,Niermeijer MF

更新日期：1992-12-01 00:00:00

abstract：BACKGROUND:Fanconi anaemia is a heterogeneous genetic disease, where 12 complementation groups have been already described. Identifying the complementation group in patients with Fanconi anaemia constitutes a direct procedure to confirm the diagnosis of the disease and is required for the recruitment of these patients ...

journal_title：Journal of medical genetics

authors： Antonio Casado J,Callén E,Jacome A,Río P,Castella M,Lobitz S,Ferro T,Muñoz A,Sevilla J,Cantalejo A,Cela E,Cervera J,Sánchez-Calero J,Badell I,Estella J,Dasí A,Olivé T,José Ortega J,Rodriguez-Villa A,Tapia M,Moliné

更新日期：2007-04-01 00:00:00

abstract：:Congenital heart defects are a major congenital abnormality and are assuming increasing importance. A study was undertaken to estimate the incidence of congenital heart defects in Northern Ireland over a five year period (1974-1978), to determine the age at diagnosis and to assess the risk of recurrence in sibs. An in...

journal_title：Journal of medical genetics

authors： Hanna EJ,Nevin NC,Nelson J

更新日期：1994-11-01 00:00:00

abstract：:A study was performed to evaluate the effect on the frequency of sister chromatid exchange in first trimester chorionic villi of two chemical compounds, mitomycin C and cyclophosphamide. Mitomycin C is generally known to induce an increase in sister chromatid exchange both in vivo and in vitro standard conditions. Cyc...

journal_title：Journal of medical genetics

authors： Pariani S,Buscaglia M,Piantanida M,Simoni G

更新日期：1992-02-01 00:00:00

abstract：:We describe a female infant with mental retardation and some of the phenotypic features of Williams-Beuren syndrome. Chromosome analysis showed t(X;21)(q28;q11). Diagnosis, inactivation of the X chromosome, and possible involvement of the translocation breakpoints in the pathogenesis of this syndrome are discussed. ...

journal_title：Journal of medical genetics

authors： Telvi L,Pinard JM,Ion R,Sinet PM,Nicole A,Feingold J,Dulac O,Pompidou A,Ponsot G

更新日期：1992-10-01 00:00:00

abstract：:Mitochondrial neurogastrointestinal encephalomyopathy (MNGIE) is an autosomal recessive multisystem disorder caused by thymidine phosphorylase (TP) deficiency, resulting in severe gastrointestinal dysmotility and skeletal muscle abnormalities. A patient is reported with a classical MNGIE clinical presentation but with...

journal_title：Journal of medical genetics

authors： Szigeti K,Wong LJ,Perng CL,Saifi GM,Eldin K,Adesina AM,Cass DL,Hirano M,Lupski JR,Scaglia F

更新日期：2004-02-01 00:00:00

abstract：BACKGROUND:Multiple genes have been provisionally associated with Alzheimer's disease, including the coding polymorphisms in exons 8 and 13 in the low density lipoprotein receptor gene (LDLR), situated on chromosome 19p13.2. METHODS:The sample groups consisted of 180 AD patients and 141 control spouses. We carried out...

journal_title：Journal of medical genetics

authors： Cheng D,Huang R,Lanham IS,Cathcart HM,Howard M,Corder EH,Poduslo SE

更新日期：2005-02-01 00:00:00

abstract：:Deficiency of iduronate-2-sulphatase (IDS) results in the X linked recessive lysosomal storage disorder Hunter syndrome. Determination of carrier status in families affected by this disorder has been performed using a variety of enzymatic tests. None of these tests has proved to be 100% effective at identifying carrie...

journal_title：Journal of medical genetics

authors： Timms KM,Edwards FJ,Belmont JW,Yates JR,Gibbs RA

更新日期：1998-08-01 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

abstract：:X chromosome inactivation is widely studied using DNA sequence polymorphisms and DNA methylation as a surrogate measure of inactivation, but the correlation of methylation with inactivation is not perfect. Thus, it may be better to study sequence polymorphisms expressed in the mRNA. A recent paper reported use of a si...

journal_title：Journal of medical genetics

authors： Mortazavi Y,Chopra R,Gordon-Smith EC,Rutherford TR

更新日期：1997-12-01 00:00:00

abstract：:We report concordant male monozygotic twins with congenital short femur (proximal focal femoral deficiency) and discuss the aetiological implications. Coincidentally, they and their father have benign familial macrocephaly. ...

journal_title：Journal of medical genetics

authors： Connor JM,Rae PS,Connor RA

更新日期：1986-08-01 00:00:00

abstract：:We describe a patient with developmental delay, mild dysmorphic features, and monosomy of 7q35. Only one other patient with an interstitial deletion of this band has been previously reported. A review of clinical features of these two children did not show similarities in dysmorphic features. Reports of patients with ...

journal_title：Journal of medical genetics

authors： Fagan K,Kennedy C,Roddick L,Colley A

更新日期：1994-09-01 00:00:00

abstract：:A malformed female infant is described. In addition to cardiac, renal, and skeletal (rib) anomalies, severe intrauterine growth retardation and distinct facial dysmorphism were present. The question is raised whether this child represents a new syndrome. ...

journal_title：Journal of medical genetics

authors： de Die-Smulders CE,Droog RP,van Dijk M,Fryns JP

更新日期：1993-06-01 00:00:00

abstract：BACKGROUND:Enzyme deficiencies of the oxidative phosphorylation (OXPHOS) system may be caused by mutations in the mitochondrial DNA (mtDNA) or in the nuclear DNA. OBJECTIVE:To analyse the sequences of the mtDNA coding region in 25 patients with OXPHOS system deficiency to identify the underlying genetic defect. RESUL...

journal_title：Journal of medical genetics

authors： Hinttala R,Smeets R,Moilanen JS,Ugalde C,Uusimaa J,Smeitink JA,Majamaa K

更新日期：2006-11-01 00:00:00

abstract：PURPOSE:Previous reports cite high costs of clinical cancer genetic testing as main barriers to patient's willingness to test. We report findings of a pilot study that evaluates how different subsidy schemes impact genetic testing uptake and total cost of cancer management. METHODS:We included all patients who attende...

journal_title：Journal of medical genetics

authors： Li ST,Yuen J,Zhou K,Binte Ishak ND,Chen Y,Met-Domestici M,Chan SH,Tan YP,Allen JC Jr,Lim ST,Soo KC,Ngeow J

更新日期：2017-04-01 00:00:00

abstract：:Clinical and radiographic evaluation of an infant boy and his father revealed findings suggesting a new variant of spondylometaphyseal dysplasia with an apparently autosomal dominant mode of inheritance. The main clinical findings included short stature and marked ligamentous laxity in the infant. X-ray findings inclu...

journal_title：Journal of medical genetics

authors： García-Castro JM,Isales-Forsythe CM,Díaz de Garau P

更新日期：1982-04-01 00:00:00

abstract：BACKGROUND:Autistic spectrum disorders (ASDs) with developmental delay and seizures are a genetically heterogeneous group of diseases caused by at least 700 different genes. Still, a number of cases remain genetically undiagnosed. OBJECTIVE:The objective of this study was to identify and characterise pathogenic varian...

journal_title：Journal of medical genetics

authors： Hubert L,Cannata Serio M,Villoing-Gaudé L,Boddaert N,Kaminska A,Rio M,Lyonnet S,Munnich A,Poirier K,Simons M,Besmond C

更新日期：2020-02-01 00:00:00

abstract：BACKGROUND:Intellectual disability (ID) is a highly heterogeneous condition affecting 2% of the population worldwide. In a field study conducted in a highly inbred area of Northeastern Brazil, we investigated a consanguineous family in which seven adults presented syndromic ID. METHODS:Genome-Wide Human SNP Array 6.0 ...

journal_title：Journal of medical genetics

authors： Figueiredo T,Melo US,Pessoa AL,Nobrega PR,Kitajima JP,Correa I,Zatz M,Kok F,Santos S

更新日期：2015-02-01 00:00:00

abstract：:A family study of 32 patients with torsion dystonia has shown at least two forms of generalized dystonia with onset in childhood. These two forms, an autosomal dominant and an autosomal recessive, are clinically indistinguishable. There were at least three families and probably about six to eight patients with the aut...

journal_title：Journal of medical genetics

authors： Bundey S,Harrison MJ,Marsden CD

更新日期：1975-03-01 00:00:00

abstract：:Despite increased expenditure, productivity of the pharmaceutical industry has decreased and currently 90% of developed molecules entering phase II and phase III clinical trials fail to gain regulatory approval. Most of these failures are due to lack of therapeutic efficacy rather than lack of safety, suggesting that ...

journal_title：Journal of medical genetics

authors： Mokry LE,Ahmad O,Forgetta V,Thanassoulis G,Richards JB

更新日期：2015-02-01 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：:A study of mutation, biological fitness, and patterns of family building in Huntington's chorea has been carried out, based on a previously reported population study of the disorder in South Wales. No unequivocal new mutation was identified among 101 kindreds containing 418 affected persons, which supports the extreme...

journal_title：Journal of medical genetics

authors： Walker DA,Harper PS,Newcombe RG,Davies K

更新日期：1983-02-01 00:00:00

abstract：:Hirschsprung disease, mental retardation, microcephaly, and specific craniofacial dysmorphism were observed in three children from a large, consanguineous, Moroccan family. A fourth child showed similar clinical features, with the exception of Hirschsprung disease. The association of these abnormalities in these child...

journal_title：Journal of medical genetics

authors： Brooks AS,Breuning MH,Osinga J,vd Smagt JJ,Catsman CE,Buys CH,Meijers C,Hofstra RM

更新日期：1999-06-01 00:00:00

abstract：:The development of some endocrine tumours, such as medullary thyroid carcinomas, phaeochromocytomas, anterior pituitary adenomas, and parathyroid adenomas involve a putative tumour suppressor gene located on chromosome 1p32-pter, a region that represents 111 cM. In order to refine the location of this gene, 93 endocri...

journal_title：Journal of medical genetics

authors： Williamson C,Pannett AA,Pang JT,Wooding C,McCarthy M,Sheppard MN,Monson J,Clayton RN,Thakker RV

更新日期：1997-08-01 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：BACKGROUND:Spinal and bulbar muscular atrophy (SBMA), also known as Kennedy's disease, is an X-linked motor neuron disorder caused by an expanded CAG repeat in the gene coding for the androgen receptor (AR). The range and significance of reduced penetrance alleles in SBMA has not been fully determined to date. We prese...

journal_title：Journal of medical genetics

authors： Laskaratos A,Breza M,Karadima G,Koutsis G

更新日期：2020-06-22 00:00:00

abstract：BACKGROUND:22q11.2 deletion syndrome (22q11.2DS) is a multisystem disease with a prevalence of 1/4000. Variable expression of congenital and later onset features contributes to its under-recognition. Longevity in those surviving childhood is believed to be normal but data are limited. METHODS:We prospectively followed...

journal_title：Journal of medical genetics

authors： Bassett AS,Chow EW,Husted J,Hodgkinson KA,Oechslin E,Harris L,Silversides C

更新日期：2009-05-01 00:00:00