A rare heterochromatic variant of chromosome 4.

abstract：:An association of ocular colobomata and congenital heart disease was observed in seven patients. Two of these were maternal half sisters whose mother also had ocular colobomata. All the patients had normal karyotypes. There was a high incidence of other associated abnormalities involving the central nervous, skeletal,...

journal_title：Journal of medical genetics

authors： Ho CK,Kaufman RL,Podos SM

更新日期：1975-09-01 00:00:00

abstract：BACKGROUND:In total, 43 patients having short stature syndrome in 37 Yakut families with autosomal recessive prenatal and postnatal nonprogressive growth failure and facial dysmorphism but with normal intelligence have been identified. METHODS:Because Yakuts are considered as a population isolate and the disease is ra...

journal_title：Journal of medical genetics

authors： Maksimova N,Hara K,Miyashia A,Nikolaeva I,Shiga A,Nogovicina A,Sukhomyasova A,Argunov V,Shvedova A,Ikeuchi T,Nishizawa M,Kuwano R,Onodera O

更新日期：2007-12-01 00:00:00

abstract：:A female infant with thanatophoric dysplasia was found to have a de novo translocation involving chromosomes 1 and 10. The chromosome abnormality may represent an important clue in identifying the locus for the candidate gene responsible for this lethal skeletal dysplasia. ...

journal_title：Journal of medical genetics

authors： Hersh JH,Yen FF,Peiper SC,Barch MJ,Yacoub OA,Voss DH,Roberts JL

更新日期：1995-04-01 00:00:00

abstract：:A patient with a typical Down syndrome (DS) phenotype and a normal karyotype was studied by FISH. Using painting probes, we found that the patient had partial trisomy of chromosome 21 owing to an unbalanced translocation t(15;21) (q26; q22.1) of paternal origin. To correlate genotype with phenotype as accurately as po...

journal_title：Journal of medical genetics

authors： Nadal M,Moreno S,Pritchard M,Preciado MA,Estivill X,Ramos-Arroyo MA

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND:Deletions of chromosome 19 have rarely been reported, with the exception of some patients with deletion 19q13.2 and Blackfan-Diamond syndrome due to haploinsufficiency of the RPS19 gene. Such a paucity of patients might be due to the difficulty in detecting a small rearrangement on this chromosome that lacks...

journal_title：Journal of medical genetics

authors： Malan V,Raoul O,Firth HV,Royer G,Turleau C,Bernheim A,Willatt L,Munnich A,Vekemans M,Lyonnet S,Cormier-Daire V,Colleaux L

更新日期：2009-09-01 00:00:00

abstract：BACKGROUND:Usher syndrome, a devastating recessive disorder which combines hearing loss with retinitis pigmentosa, is clinically and genetically heterogeneous. Usher syndrome type 1 (USH1) is the most severe form, characterised by profound congenital hearing loss and vestibular dysfunction. OBJECTIVE:To describe an ef...

journal_title：Journal of medical genetics

authors： Roux AF,Faugère V,Le Guédard S,Pallares-Ruiz N,Vielle A,Chambert S,Marlin S,Hamel C,Gilbert B,Malcolm S,Claustres M,French Usher Syndrome Collaboration.

更新日期：2006-09-01 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

abstract：BACKGROUND:Several different missense mutations in the voltage-gated sodium channel subunit gene SCN1A have been identified in epileptic patients with benign phenotype and patients with severe phenotype. However, the reason why similar missense mutations in SCN1A result in different phenotypes has not yet been fully cl...

journal_title：Journal of medical genetics

authors： Kanai K,Yoshida S,Hirose S,Oguni H,Kuwabara S,Sawai S,Hiraga A,Fukuma G,Iwasa H,Kojima T,Kaneko S

更新日期：2009-10-01 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：:Two cases of growth failure, microcephaly, facial dysmorphism, muscular hypertonia, and severe psychomotor retardation are described. At birth, both cases had cytogenetic mosaicism in lymphocytes and skin fibroblasts, in case 1 ring chromosome 21 and monosomy 21 and in case 2, deletion of chromosome 21 and monosomy 21...

journal_title：Journal of medical genetics

authors： Bartsch O,Petersen MB,Stuhlmann I,Mau G,Frantzen M,Schwinger E,Antonarakis SE,Mikkelsen M

更新日期：1994-07-01 00:00:00

abstract：:The fragile X mental retardation syndrome is caused by unstable expansion of a CGG repeat. Two main types of mutation have been categorised. Clinical expression is associated with the presence of the full mutation, while subjects who carry only a premutation do not have mental retardation. Premutations have a high ris...

journal_title：Journal of medical genetics

authors： Heitz D,Devys D,Imbert G,Kretz C,Mandel JL

更新日期：1992-11-01 00:00:00

abstract：:A new dicentric X isochromosome i(X)(pter to q2102 to pter) of similar size to a normal X is described in a girl with gonadal dysgenesis. In this non-mosaic case with an X short arm duplication, most of the stigmata associated with Turner's syndrome were absent. This structure was compared with that of six i(Xq) and t...

journal_title：Journal of medical genetics

authors： Daniel A,Saville T,Southall DB

更新日期：1979-08-01 00:00:00

abstract：BACKGROUND:The non-POU domain containing octamer-binding gene (NONO) is located on chromosome Xq13.1 and encodes a member of a small family of RNA-binding and DNA-binding proteins that perform a variety of tasks involved in RNA synthesis, transcriptional regulation and DNA repair. Loss-of-function variants in NONO have...

journal_title：Journal of medical genetics

authors： Scott DA,Hernandez-Garcia A,Azamian MS,Jordan VK,Kim BJ,Starkovich M,Zhang J,Wong LJ,Darilek SA,Breman AM,Yang Y,Lupski JR,Jiwani AK,Das B,Lalani SR,Iglesias AD,Rosenfeld JA,Xia F

更新日期：2017-01-01 00:00:00

abstract：BACKGROUND:The mitochondrial DNA (mDNA) 3243A>G variant is the most common pathogenic variant of the mDNA. To interpret results of clinical trials in mitochondrial disease, it is important to have a clear understanding of the natural course of disease. To obtain more insight into the disease burden and the progression ...

journal_title：Journal of medical genetics

authors： de Laat P,Rodenburg RR,Roeleveld N,Koene S,Smeitink JA,Janssen MC

更新日期：2021-01-01 00:00:00

abstract：:This paper describes the coexistence of genetically determined reduced cholinesterase activity and congenital distichiasis in the same family. The pedigree suggests that these two autosomal dominant diseases are segregated independently and do not show evidence of linkage. ...

journal_title：Journal of medical genetics

authors： Shammas HF,Tabbara KF,der Kaloustian VM

更新日期：1976-12-01 00:00:00

abstract：INTRODUCTION AND METHODS:Since the concept of the "two hit hypothesis" was introduced over 20 years ago, a wealth of genetic data has accumulated on the mutations found at tumour suppressor loci. Perhaps surprisingly, these data conceal large gaps in our knowledge which genetic and functional studies are beginning to u...

journal_title：Journal of medical genetics

authors： Tomlinson IP,Roylance R,Houlston RS

更新日期：2001-02-01 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：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：:We report a 20 year old man with short stature, microcephaly, unusual facies, numerous pigmented naevi, hypodontia, immunodeficiency, and a high pitched voice. Tympner et al had assumed that the patient had a new syndrome of "progressive combined immunodeficiency and ectomesodermal dysplasia". We show here that the co...

journal_title：Journal of medical genetics

authors： Bartsch O,Tympner KD,Schwinger E,Gorlin RJ

更新日期：1994-09-01 00:00:00

abstract：:The m.8993T-->C MTATP6 mutation of mitochondrial DNA (mtDNA) usually causes mitochondrial disease in childhood, but was recently described in a family with adult onset ataxia and polyneuropathy. Cytochrome c oxidase muscle histochemistry, which is the standard clinical investigation for mitochondrial disease in adults...

journal_title：Journal of medical genetics

authors： Craig K,Elliott HR,Keers SM,Lambert C,Pyle A,Graves TD,Woodward C,Sweeney MG,Davis MB,Hanna MG,Chinnery PF

更新日期：2007-12-01 00:00:00

abstract：BACKGROUND:Congenital fibrosis of the extraocular muscles (CFEOM) is a heterogeneous group of disorders that may be associated with other anomalies. The association of a CFEOM syndrome with ulnar hand abnormalities (CFEOM/U) has not been reported to date. OBJECTIVE:To describe a new autosomal recessive syndrome of CFE...

journal_title：Journal of medical genetics

authors： Tukel T,Uzumcu A,Gezer A,Kayserili H,Yuksel-Apak M,Uyguner O,Gultekin SH,Hennies HC,Nurnberg P,Desnick RJ,Wollnik B

更新日期：2005-05-01 00:00:00

abstract：:We present a male infant with hypertelorism, severe myopia and sensorineural deafness, diaphragmatic hernia, and proteinuria. This patient combines features of two distinct genetic conditions, the syndrome of diaphragmatic hernia, exomphalos, absent corpus callosum, hypertelorism, myopia, and sensorineural deafness (M...

journal_title：Journal of medical genetics

authors： Devriendt K,Standaert L,Van Hole C,Devlieger H,Fryns JP

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND:Craniosynostosis (CRS) is a premature closure of calvarial sutures caused by gene mutation or environmental factors or interaction between the two. Only a small proportion of non-syndromic CRS (NSC) patients have a known genetic cause, and thus, it would be meaningful to search for a causative gene disruptio...

journal_title：Journal of medical genetics

authors： Kim J,Won HH,Kim Y,Choi JR,Yu N,Lee KA

更新日期：2015-10-01 00:00:00

abstract：BACKGROUND:Smith-Magenis syndrome (SMS) is caused by del(17)(p11.2), including the retinoic acid induced 1 gene (RAI1), or mutation of RAI1. Haploinsufficiency of RAI1 results in developmental delay, mental retardation, sleep disturbance, self-abusive behaviors, and most features commonly seen in SMS. In this study, 52...

journal_title：Journal of medical genetics

authors： Williams SR,Girirajan S,Tegay D,Nowak N,Hatchwell E,Elsea SH

更新日期：2010-04-01 00:00:00

abstract：:Four cases of lethal short rib-polydactyly syndrome (SRPS) from three non-consanguineous families are described. Radiological features were similar in all four cases and were most consistent with type III SRPS (Verma-Naumoff syndrome), but many differences in external and systemic abnormalities were noted. The conside...

journal_title：Journal of medical genetics

authors： Bernstein R,Isdale J,Pinto M,Du Toit Zaaijman J,Jenkins T

更新日期：1985-02-01 00:00:00

abstract：:World wide data on presymptomatic testing for Huntington's disease using closely linked DNA markers show that 1479 persons at risk received completed test results up to the end of 1991. Testing has been carried out in 19 countries, with at least 88 centres involved, and numbers have levelled off after a peak in 1990. ...

journal_title：Journal of medical genetics

authors：

更新日期：1993-12-01 00:00:00

abstract：:Tuberous sclerosis (TSC) is an autosomal dominant disorder characterised by tumour-like malformations (hamartomas) of the brain, skin, and other organs, often associated with seizures and learning disability. There is genetic heterogeneity with loci for TSC on chromosomes 9q34 (TSC1) and 16p13.3 (TSC2). The recently c...

journal_title：Journal of medical genetics

authors： Ali JB,Sepp T,Ward S,Green AJ,Yates JR

更新日期：1998-12-01 00:00:00

abstract：:A Newfoundland kindred in which ocular albinism and deutan colour blindness are segregating provides strong evidence against the loci for these two X-borne characters being within direct measurable distance of each other. ...

journal_title：Journal of medical genetics

authors： Pearce WG,Sanger R

更新日期：1976-08-01 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 present an extended family with Li-Fraumeni syndrome characterised by gastric and breast carcinoma, glioma, sarcoma, and leukaemia. This family showed strong evidence of linkage to TP53, and three of four tumours analysed showed loss of the wild type allele. A codon 175 missense mutation was identified in exon 5 in...

journal_title：Journal of medical genetics

authors： Varley JM,McGown G,Thorncroft M,Tricker KJ,Teare MD,Santibanez-Koref MF,Martin J,Birch JM,Evans DG

更新日期：1995-12-01 00:00:00