De novo balanced reciprocal translocation 46,XY,t(6;8)(q13;q22).

abstract：:A common missense mutation in the methylenetetrahydrofolate reductase (MTHFR) gene, a C to T substitution at nucleotide 677, is responsible for reduced MTHFR activity and associated with modestly increased plasma homocysteine concentrations. Since underlying maternal vascular disease increases the risk of pre-eclampsi...

journal_title：Journal of medical genetics

authors： Sohda S,Arinami T,Hamada H,Yamada N,Hamaguchi H,Kubo T

更新日期：1997-06-01 00:00:00

abstract：:Fragile X syndrome, the main cause of inherited mental retardation, is caused by transcriptional silencing of the fragile X mental retardation gene, FMR1. Absence of the associated protein FMRP leads to the dysregulation of many genes creating a phenotype of ADHD, anxiety, epilepsy and autism. The core aim of this rev...

journal_title：Journal of medical genetics

authors： D'Hulst C,Kooy RF

更新日期：2009-09-01 00:00:00

abstract：:Sorsby fundus dystrophy is an autosomal dominant disorder which both clinically and histopathologically bears striking similarities to age related macular degeneration, one of the leading causes of blindness in the developed world. Recent studies have suggested a genetic localisation of the disease to chromosome 22q i...

journal_title：Journal of medical genetics

authors： Gregory CY,Wijesuriya S,Evans K,Jay M,Bird AC,Bhattacharya SS

更新日期：1995-03-01 00:00:00

abstract：:The vocabulary currently used to describe genetic variants and their consequences reflects many years of studying and discovering monogenic disease with high penetrance. With the recent rapid expansion of genetic testing brought about by wide availability of high-throughput massively parallel sequencing platforms, acc...

journal_title：Journal of medical genetics

authors： Spurdle AB,Greville-Heygate S,Antoniou AC,Brown M,Burke L,de la Hoya M,Domchek S,Dörk T,Firth HV,Monteiro AN,Mensenkamp A,Parsons MT,Radice P,Robson M,Tischkowitz M,Tudini E,Turnbull C,Vreeswijk MP,Walker LC,Tavtigi

更新日期：2019-06-01 00:00:00

abstract：:We describe a case of pycnodysostosis with porencephaly and suggest an explanation for the porencephaly by a mechanism of imbalance between brain growth and its vascular supply and a normal but unopposed cerebrospinal fluid pressure. ...

journal_title：Journal of medical genetics

authors： Figueiredo J,Reis A,Vaz R,Leáo M,Cruz C

更新日期：1989-12-01 00:00:00

abstract：BACKGROUND:Clubfoot is a common congenital birth defect with complex inheritance patterns. Currently, the genetic and morphological basis of clubfoot is poorly understood. To identify genetic risk factors associated with clubfoot, we performed a genome-wide association study of common genetic variants. METHODS:The DNA...

journal_title：Journal of medical genetics

authors： Zhang TX,Haller G,Lin P,Alvarado DM,Hecht JT,Blanton SH,Stephens Richards B,Rice JP,Dobbs MB,Gurnett CA

更新日期：2014-05-01 00:00:00

abstract：:Abnormalities of the L1CAM gene, a member of the immunoglobulin gene superfamily of neural cell adhesion molecules, are associated with X linked hydrocephalus and some allelic disorders. We describe a patient with X linked hydrocephalus and Hirschsprung's disease (HSCR) with a novel mutation in the L1CAM gene. This is...

journal_title：Journal of medical genetics

authors： Okamoto N,Wada Y,Goto M

更新日期：1997-08-01 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：:Hereditary multiple exostoses (HME) is a genetically heterogeneous autosomal dominant disorder characterised by the development of bony protuberances mainly located on the long bones. Three HME loci have been mapped to chromosomes 8q24 (EXT1), 11p11-13 (EXT2), and 19p (EXT3). The EXT1 and EXT2 genes encode glycosyltra...

journal_title：Journal of medical genetics

authors： Francannet C,Cohen-Tanugi A,Le Merrer M,Munnich A,Bonaventure J,Legeai-Mallet L

更新日期：2001-07-01 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：:A cohort of 33 people at risk for Huntington's disease (HD), applying for genetic testing, were tested with a battery of neuropsychological tests covering attentional, visuospatial, learning, memory, and planning functions. A psychiatric rating scale, SCL-90R, was also applied, mainly as a control, since cognitive dys...

journal_title：Journal of medical genetics

authors： Rosenberg NK,Sørensen SA,Christensen AL

更新日期：1995-08-01 00:00:00

abstract：:Fragile X syndrome is the major cause of inherited mental retardation. The molecular basis for the expression of the fragile X phenotype is the expansion of an unstable CGG repeat element which inhibits transcription of the FMR1 gene. The fragile X syndrome shows great diversity in its phenotype as well as in its cyto...

journal_title：Journal of medical genetics

authors： Pintado E,de Diego Y,Hmadcha A,Carrasco M,Sierra J,Lucas M

更新日期：1995-11-01 00:00:00

abstract：BACKGROUND:Agenesis of corpus callosum has been associated with several defects of the mitochondrial respiratory chain and the citric acid cycle. We now report the results of the biochemical and molecular studies of a patient with severe neurodevelopmental disease manifesting by agenesis of corpus callosum and optic ne...

journal_title：Journal of medical genetics

authors： Edvardson S,Porcelli V,Jalas C,Soiferman D,Kellner Y,Shaag A,Korman SH,Pierri CL,Scarcia P,Fraenkel ND,Segel R,Schechter A,Frumkin A,Pines O,Saada A,Palmieri L,Elpeleg O

更新日期：2013-04-01 00:00:00

abstract：:A mild, non-transfusion dependent, beta thalassaemia phenotype is described in a Dutch patient homozygous for a mutation in the cleavage-polyadenylation sequence of the beta globin gene. The molecular basis of the mutation, AATAAA greater than AATGAA, was determined using denaturing gradient gel electrophoresis (DGGE)...

journal_title：Journal of medical genetics

authors： Losekoot M,Fodde R,Harteveld CL,van Heeren H,Giordano PC,Went LN,Bernini LF

更新日期：1991-04-01 00:00:00

abstract：BACKGROUND:X-linked ichthyosis (XLI) (steroid sulfatase deficiency) is caused by deletions or point mutations of the steroid sulfatase (STS) gene on chromosome Xp22.32. Deletions of this region can be associated with cognitive behavioural difficulties including autism. Animal work suggests the STS gene may be involved ...

journal_title：Journal of medical genetics

authors： Kent L,Emerton J,Bhadravathi V,Weisblatt E,Pasco G,Willatt LR,McMahon R,Yates JR

更新日期：2008-08-01 00:00:00

abstract：PURPOSE:Adoptees are a population that could benefit from genetic testing to fill gaps in family health history (FHH). Elective genomic testing (EGT) provides adoptees with clinical genetic testing options to learn about genetic health risks in the absence of FHH. We assessed adoptees' interests in, motivations for and...

journal_title：Journal of medical genetics

authors： Edgar J,Bao A,Maga T,Schwartz M,Yates C,Spencer S

更新日期：2020-12-21 00:00:00

abstract：:We report a family with type 2 neurofibromatosis and late onset tumours. Five members of this family have developed hearing loss late in life, two of whom have only been shown to have the diagnosis in their seventies, and three other obligate gene carriers died undiagnosed at 64, 72, and 78 years of age. A missense mu...

journal_title：Journal of medical genetics

authors： Evans DG,Bourn D,Wallace A,Ramsden RT,Mitchell JD,Strachan T

更新日期：1995-06-01 00:00:00

abstract：BACKGROUND:Primary ovarian insufficiency (POI) affects 1% of women under 40 years and is a public health problem. The genetic causes of POI are highly heterogeneous with isolated or syndromic forms. Recently, variants in genes involved in DNA repair have been shown to cause POI. Notably, syndromic POI with Fanconi anae...

journal_title：Journal of medical genetics

authors： Caburet S,Heddar A,Dardillac E,Creux H,Lambert M,Messiaen S,Tourpin S,Livera G,Lopez BS,Misrahi M

更新日期：2020-06-01 00:00:00

abstract：:The fragile X syndrome is a common cause of mental impairment. In view of the low reproductive fitness of affected males, the high incidence of the syndrome has been suggested to be the result of a high rate of new mutations occurring exclusively in the male germline. Extensive family studies, however, have failed to ...

journal_title：Journal of medical genetics

authors： Hirst MC,Knight SJ,Christodoulou Z,Grewal PK,Fryns JP,Davies KE

更新日期：1993-08-01 00:00:00

abstract：BACKGROUND:Warfarin is a mainstay of therapy for conditions associated with an increased risk of thromboembolic events. However, the use of this common agent is fraught with complications and little is known regarding inter-individual variation in warfarin response. OBJECTIVE:We tested for association between single n...

journal_title：Journal of medical genetics

authors： Li T,Lange LA,Li X,Susswein L,Bryant B,Malone R,Lange EM,Huang TY,Stafford DW,Evans JP

更新日期：2006-09-01 00:00:00

abstract：:The clinical and haematological findings in 19 Liberians probably homozygous for beta thalassaemia are described. The haemoglobin patterns were similar with Hb F levels in the 30-50% range and a raised level of Hb A2 and, although the clinical severity varied widely, over half the cases were symptomless and even the m...

journal_title：Journal of medical genetics

authors： Willcox MC,Weatherall DJ,Clegg JB

更新日期：1975-06-01 00:00:00

abstract：:Neurofibromatosis and myotonic dystrophy have occurred in ten members of a nonconsanguineous family with a high degree of concordance. The expression of neurofibromatosis is peripheral, and the expression of myotonic dystrophy has produced at least moderately severe disability. Neither disease has appeared to alter th...

journal_title：Journal of medical genetics

authors： Ichikawa K,Crosley CJ,Culebras A,Weitkamp L

更新日期：1981-04-01 00:00:00

abstract：BACKGROUND:Deletions of the HOXC gene cluster result in variable phenotypes in mice, but have been rarely described in humans. OBJECTIVE:To report chromosome 12q13.13 microdeletions ranging from 13 to 175 kb and involving the 5' HOXC genes in four families, segregating congenital lower limb malformations, including cl...

journal_title：Journal of medical genetics

authors： Alvarado DM,McCall K,Hecht JT,Dobbs MB,Gurnett CA

更新日期：2016-04-01 00:00:00

abstract：:Linkage between the locus for cystic fibrosis and other genetic markers was explored in 40 families from Birmingham and 20 from Manchester. No strong evidence was found for linkage with any of the markers examined. There was evidence against close linkage with ABO, HLA, and Rh. ...

journal_title：Journal of medical genetics

authors： Goodchild MC,Edwards JH,Glenn KP,Grindey C,Harris R,Mackintosh P,Wentzel J

更新日期：1976-12-01 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：: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：:Usher syndrome type I is an autosomal recessive disease characterised by congenital sensorineural deafness, involvement of the vestibular system, and progressive visual loss owing to retinitis pigmentosa. Here we report the association of this disease with bronchiectasis, chronic sinusitis, and reduced nasal mucocilia...

journal_title：Journal of medical genetics

authors： Bonneau D,Raymond F,Kremer C,Klossek JM,Kaplan J,Patte F

更新日期：1993-03-01 00:00:00

abstract：BACKGROUND:Biallelic germline mutations in the mismatch repair genes MLH1, MSH2, MSH6 or PMS2 cause a recessive childhood cancer syndrome characterised by early-onset malignancies and signs reminiscent of neurofibromatosis type 1 (NF1). Alluding to the underlying genetic defect, we refer to this syndrome as constitutio...

journal_title：Journal of medical genetics

authors： Kratz CP,Holter S,Etzler J,Lauten M,Pollett A,Niemeyer CM,Gallinger S,Wimmer K

更新日期：2009-06-01 00:00:00

abstract：:A brother and two sisters of remotely consanguineous parents had congenital laryngeal abductor paralysis and moderate mental retardation. In the two older sibs, mental deficiency could have resulted from birth asphyxia, but the youngest girl was already microcephalic at birth and had no apparent asphyxia. The mother, ...

journal_title：Journal of medical genetics

authors： Schinzel A,Hof E,Dangel P,Robinson W

更新日期：1990-11-01 00:00:00

abstract：:An X-linked pattern of transmission observed in four families with familial mental retardation in several generations was associated with a probable secondary constriction at the distal end of the q arms of the X chromosome. Twenty retarded males and no retarded females were observed. All available live retarded males...

journal_title：Journal of medical genetics

authors： Harvey J,Judge C,Wiener S

更新日期：1977-02-01 00:00:00