Familial X-linked mental retardation with an X chromosome abnormality.

abstract：:Germline mutations in highly penetrant autosomal dominant genes explain about 5% of all breast cancer, and heritable mutations in the BRCA1 breast and ovarian cancer susceptibility gene account for 2-3% of breast cancer in the general population. Nevertheless, the presence of such mutations is highly predictive of dis...

journal_title：Journal of medical genetics

authors： Chang-Claude J,Dong J,Schmidt S,Shayeghi M,Komitowski D,Becher H,Stratton MR,Royer-Pokora B

更新日期：1998-02-01 00:00:00

abstract：:Abnormalities of dystrophin, the sarcoglycans, and laminin alpha2 are responsible for a subset of the muscular dystrophies. In this study we aim to characterise the nature and frequency of abnormalities of these proteins in an Australian population and to formulate an investigative algorithm to aid in approaching the ...

journal_title：Journal of medical genetics

authors： Jones KJ,Kim SS,North KN

更新日期：1998-05-01 00:00:00

abstract：:The features of a child with osteogenesis imperfecta type III (OI III) resulting from the heterozygous substitution of glycine 1006 by alanine in the pro alpha 2(I) chain of type I procollagen were studied. He was born at term with the clinical features of severe OI, including deep grey-blue sclerae. He had severe ost...

journal_title：Journal of medical genetics

authors： Cole WG,Lam TP

更新日期：1996-03-01 00:00:00

abstract：BACKGROUND:In 30-50% of patients with colorectal adenomatous polyposis, no germline mutation in the known genes APC, causing familial adenomatous polyposis, MUTYH, causing MUTYH-associated polyposis, or POLE or POLD1, causing polymerase-proofreading-associated polyposis can be identified, although a hereditary aetiolog...

journal_title：Journal of medical genetics

authors： Spier I,Drichel D,Kerick M,Kirfel J,Horpaopan S,Laner A,Holzapfel S,Peters S,Adam R,Zhao B,Becker T,Lifton RP,Perner S,Hoffmann P,Kristiansen G,Timmermann B,Nöthen MM,Holinski-Feder E,Schweiger MR,Aretz S

更新日期：2016-03-01 00:00:00

abstract：:The Smith-Lemli-Opitz syndrome (SLOS) is one of the archetypical multiple congenital malformation syndromes. The recent discovery of the biochemical cause of SLOS and the subsequent redefinition of SLOS as an inborn error of cholesterol metabolism have led to important new treatment possibilities for affected patients...

journal_title：Journal of medical genetics

authors： Kelley RI,Hennekam RC

更新日期：2000-05-01 00:00:00

abstract：:Spinocerebellar ataxia type 2 (SCA2) is caused by the expansion of an unstable CAG repeat encoding a polyglutamine tract. Repeats with 32 to 200 CAGs are associated with the disease, whereas normal chromosomes contain 13 to 33 repeats. We tested 220 families of different geographical origins for the SCA2 mutation. Thi...

journal_title：Journal of medical genetics

authors： Didierjean O,Cancel G,Stevanin G,Dürr A,Bürk K,Benomar A,Lezin A,Belal S,Abada-Bendid M,Klockgether T,Brice A

更新日期：1999-05-01 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：BACKGROUND:Although BRCA1 and BRCA2 mutations account for only ∼27% of the familial aggregation of ovarian cancer (OvC), no OvC risk prediction model currently exists that considers the effects of BRCA1, BRCA2 and other familial factors. Therefore, a currently unresolved problem in clinical genetics is how to counsel w...

journal_title：Journal of medical genetics

authors： Jervis S,Song H,Lee A,Dicks E,Harrington P,Baynes C,Manchanda R,Easton DF,Jacobs I,Pharoah PP,Antoniou AC

更新日期：2015-07-01 00:00:00

abstract：:Cockayne's syndrome (CS) is a rare autosomal recessive disorder with dwarfism, mental retardation, and otherwise clinically heterogeneous features. In cultured CS fibroblasts, the failure of RNA synthesis to recover to normal rates after UV-C irradiation provides a useful and relatively simple diagnostic test. We have...

journal_title：Journal of medical genetics

authors： Lehmann AR,Thompson AF,Harcourt SA,Stefanini M,Norris PG

更新日期：1993-08-01 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：:An estimated 15-50% of the population experiences pain at any given time, at great personal and societal cost. Pain is the most common reason patients seek medical attention, and there is a high degree of individual variability in reporting the incidence and severity of symptoms. Research suggests that pain sensitivit...

journal_title：Journal of medical genetics

authors： Young EE,Lariviere WR,Belfer I

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND:Primary hereditary microcephaly (MCPH) comprises a large group of autosomal recessive disorders mainly affecting cortical development and resulting in a congenital impairment of brain growth. Despite the identification of >25 causal genes so far, it remains a challenge to distinguish between different MCPH f...

journal_title：Journal of medical genetics

authors： Nasser H,Vera L,Elmaleh-Bergès M,Steindl K,Letard P,Teissier N,Ernault A,Guimiot F,Afenjar A,Moutard ML,Héron D,Alembik Y,Momtchilova M,Milani P,Kubis N,Pouvreau N,Zollino M,Guilmin Crepon S,Kaguelidou F,Gressens P

更新日期：2020-06-01 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：BACKGROUND:Sensenbrenner syndrome is a heterogeneous ciliopathy that is characterised by skeletal and ectodermal anomalies, accompanied by chronic renal failure, heart defects, liver fibrosis and other features. OBJECTIVE:To identify an additional causative gene in Sensenbrenner syndrome. METHODS:Single nucleotide po...

journal_title：Journal of medical genetics

authors： Arts HH,Bongers EM,Mans DA,van Beersum SE,Oud MM,Bolat E,Spruijt L,Cornelissen EA,Schuurs-Hoeijmakers JH,de Leeuw N,Cormier-Daire V,Brunner HG,Knoers NV,Roepman R

更新日期：2011-06-01 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：BACKGROUND:We report here clinical, cytogenetic and molecular data for a pair of monochorionic diamniotic twins with paternal isodisomy for chromosome 19. Both twins presented with dysmorphic features and global developmental delay. This represents, to our knowledge, the first individual human case of paternal uniparen...

journal_title：Journal of medical genetics

authors： Yeung KS,Ho MSP,Lee SL,Kan ASY,Chan KYK,Tang MHY,Mak CCY,Leung GKC,So PL,Pfundt R,Marshall CR,Scherer SW,Choufani S,Weksberg R,Hon-Yin Chung B

更新日期：2018-12-01 00:00:00

abstract：BACKGROUND:Early infantile epileptic encephalopathies usually manifest as severely impaired cognitive and motor development and often result in a devastating permanent global developmental delay and intellectual disability. A large set of genes has been implicated in the aetiology of this heterogeneous group of disorde...

journal_title：Journal of medical genetics

authors： Edvardson S,Oz S,Abulhijaa FA,Taher FB,Shaag A,Zenvirt S,Dascal N,Elpeleg O

更新日期：2013-02-01 00:00:00

abstract：:To test the hypothesis that epidermal rather than dermal mosaicism determines Blaschko's lines in hypomelanosis of Ito (HI), we studied the distribution of chromosomal mosaicism in four patients. In two, mosaicism had not been detected in lymphocytes or dermal fibroblasts, but was clearly shown in epidermal keratinocy...

journal_title：Journal of medical genetics

authors： Moss C,Larkins S,Stacey M,Blight A,Farndon PA,Davison EV

更新日期：1993-09-01 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 total of 102 families with Duchenne muscular dystrophy has been studied with linked DNA polymorphisms as an aid to estimating carrier risks for female relatives. Early work using probes RC8, L1.28, and pXUT23 gave very little clinically useful information because of the high recombination rates between these probes ...

journal_title：Journal of medical genetics

authors： Read AP,Kerzin-Storrar L,Mountford RC,Elles RG,Harris R

更新日期：1986-12-01 00:00:00

abstract：BACKGROUND:Germ-line mutations in CYLD are found in patients with familial skin appendage tumours. The protein product functions as a deubiquitinase enzyme, which negatively regulates NF-kappaB and c-Jun N-terminal kinase signalling. Brooke-Spiegler syndrome (BSS) is characterised by cylindromas, trichoepitheliomas and...

journal_title：Journal of medical genetics

authors： Saggar S,Chernoff KA,Lodha S,Horev L,Kohl S,Honjo RS,Brandt HR,Hartmann K,Celebi JT

更新日期：2008-05-01 00:00:00

abstract：BACKGROUND:Chromosome 13q deletion is associated with varying phenotypes, which seem to depend on the location of the deleted segment. Although various attempts have been made to link the 13q deletion intervals to distinct phenotypes, there is still no acknowledged consensus correlation between the monosomy of distinct...

journal_title：Journal of medical genetics

authors： Ballarati L,Rossi E,Bonati MT,Gimelli S,Maraschio P,Finelli P,Giglio S,Lapi E,Bedeschi MF,Guerneri S,Arrigo G,Patricelli MG,Mattina T,Guzzardi O,Pecile V,Police A,Scarano G,Larizza L,Zuffardi O,Giardino D

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:Sonic hedgehog (SHH) plays an important role in defining the anterior-posterior axis in the developing limbs. A highly conserved non-coding sequence about approximately 1 Mb upstream from the sonic hedgehog gene (SHH) was shown to be a long range regulator for SHH expression in the limb bud. Point mutations ...

journal_title：Journal of medical genetics

authors： Klopocki E,Ott CE,Benatar N,Ullmann R,Mundlos S,Lehmann K

更新日期：2008-06-01 00:00:00

abstract：:The structure of the locus encoding the major cartilage collagen gene (COL2A1) was studied in a total of 19 cases of achondroplasia. No gross rearrangements were seen. The segregation of COL2A1 was examined in three affected kindreds using restriction site and length variants as genetic markers. In two kindreds discor...

journal_title：Journal of medical genetics

authors： Ogilvie D,Wordsworth P,Thompson E,Sykes B

更新日期：1986-02-01 00:00:00

abstract：:Acute intermittent porphyria (AIP) is a primary disorder of haem biosynthesis that is chemically characterised by raised urinary porphobilinogen (PBG). A defect in the biochemical pathway at the step of PBG conversion to uroporphyrinogen has been shown to be a result of a partial deficiency of the enzyme uroporphyrino...

journal_title：Journal of medical genetics

authors： Lamon JM,Frykholm BC,Tschudy DP

更新日期：1979-04-01 00:00:00

abstract：BACKGROUND:Hyperparathyroidism is a common endocrinopathy characterised by the formation of parathyroid tumours. In this study, we determine the role of the recently identified gene, HRPT2, in parathyroid tumorigenesis. METHODS:Mutation analysis of HRPT2 was undertaken in 60 parathyroid tumours: five HPT-JT, three FIH...

journal_title：Journal of medical genetics

authors： Howell VM,Haven CJ,Kahnoski K,Khoo SK,Petillo D,Chen J,Fleuren GJ,Robinson BG,Delbridge LW,Philips J,Nelson AE,Krause U,Hammje K,Dralle H,Hoang-Vu C,Gimm O,Marsh DJ,Morreau H,Teh BT

更新日期：2003-09-01 00:00:00

abstract：:DNA from 20 Italian haemophilia B patients was analysed by the Southern blotting technique and hybridisation to a factor IX cDNA probe. A large deletion of factor IX gene was detected in one patient with antibodies to the infused factor; the EcoRI pattern of the other 19 subjects examined was normal. ...

journal_title：Journal of medical genetics

authors： Bernardi F,del Senno L,Barbieri R,Buzzoni D,Gambari R,Marchetti G,Conconi F,Panicucci F,Positano M,Pitruzzello S

更新日期：1985-08-01 00:00:00

abstract：BACKGROUND:There are few empirical data to inform the debate surrounding the use and regulation of direct-to-consumer (DTC) genome-wide disease risk tests. This study aimed to determine the long term psychological, behavioural, and clinical impacts of genomic risk testing for common disease. METHODS:The Scripps Genomi...

journal_title：Journal of medical genetics

authors： Bloss CS,Wineinger NE,Darst BF,Schork NJ,Topol EJ

更新日期：2013-06-01 00:00:00

abstract：:The occurrence in a family of an isolated case of an autosomal dominant disorder with reduced penetrance presents a difficult problem in genetic counselling. It is shown that in such a situation the risk of recurrence in subsequent offspring is given by: (formula; see text) where P is the penetrance (0 less than P les...

journal_title：Journal of medical genetics

authors： Emery AE

更新日期：1986-08-01 00:00:00

abstract：:It is well known that subjects homozygous for a rare silent allele of ADA may experience a severe combined immunodeficiency. By analogy we have investigated the possible relationship of normal ADA polymorphism with some situations, such as reproductive defects and fetomaternal interactions, in which immunological mech...

journal_title：Journal of medical genetics

authors： Bottini E,Carapella E,Cataldi L,Nicotra M,Lucarelli P,Lucarini N,Pascone R,Gloria-Bottini F

更新日期：1981-10-01 00:00:00