Molecular, cytogenetic, and clinical characterisation of six XX males including one prenatal diagnosis.

abstract：BACKGROUND:The genetic causes of the majority of male and female infertility caused by human non-obstructive azoospermia (NOA) and premature ovarian insufficiency (POI) with meiotic arrest are unknown. OBJECTIVE:To identify the genetic cause of NOA and POI in two affected members from a consanguineous Chinese family. ...

journal_title：Journal of medical genetics

authors： He WB,Tu CF,Liu Q,Meng LL,Yuan SM,Luo AX,He FS,Shen J,Li W,Du J,Zhong CG,Lu GX,Lin G,Fan LQ,Tan YQ

更新日期：2018-03-01 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：BACKGROUND:Non-syndromic isolated cleft lip with or without cleft palate (NCL/P) is a common congenital anomaly in humans, the aetiology of which is complex and associated with both genetic and environmental factors. It has been reported that maternal nutritional factors are likely to play a major role in development o...

journal_title：Journal of medical genetics

authors： Mostowska A,Hozyasz KK,Wojcicki P,Dziegelewska M,Jagodzinski PP

更新日期：2010-12-01 00:00:00

abstract：:A female with the Weaver syndrome is reported. In addition to the characteristic manifestations of overgrowth and advanced bone age, the facies were typical, with a broad forehead, hypertelorism, a long philtrum, micrognathia, and large ears. Like most other patients with Weaver syndrome, she was developmentally delay...

journal_title：Journal of medical genetics

authors： Thompson EM,Hill S,Leonard JV,Pembrey ME

更新日期：1987-04-01 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：:X linked spondyloepiphyseal dysplasia (SED) is caused by a growth defect of the vertebral bodies leading to characteristic changes in the vertebral bodies and a short trunk. The gene responsible for this disorder has previously been mapped to Xp22, with a maximum likelihood location between markers DXS16 and DXS92. We...

journal_title：Journal of medical genetics

authors： Bernard LE,Chitayat D,Weksberg R,Van Allen MI,Langlois S

更新日期：1996-05-01 00:00:00

abstract：BACKGROUND:Congenital chromosome abnormalities are relatively common in our species and among structural abnormalities the most common class is balanced reciprocal translocations. Determining the parental origin of de novo balanced translocations may provide insights into how and when they arise. While there is a gener...

journal_title：Journal of medical genetics

authors： Thomas NS,Morris JK,Baptista J,Ng BL,Crolla JA,Jacobs PA

更新日期：2010-02-01 00:00:00

abstract：:Five single nucleotide polymorphisms (SNPs) associated with thyroid cancer (TC) risk have been reported: rs2910164 (5q24); rs6983267 (8q24); rs965513 and rs1867277 (9q22); and rs944289 (14q13). Most of these associations have not been replicated in independent populations and the combined effects of the SNPs on risk h...

journal_title：Journal of medical genetics

authors： Jones AM,Howarth KM,Martin L,Gorman M,Mihai R,Moss L,Auton A,Lemon C,Mehanna H,Mohan H,Clarke SE,Wadsley J,Macias E,Coatesworth A,Beasley M,Roques T,Martin C,Ryan P,Gerrard G,Power D,Bremmer C,TCUKIN Consortium.

更新日期：2012-03-01 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：: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：: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：BACKGROUND:Cerebral cavernous malformations (CCMs) are vascular malformations mostly located within the central nervous system. Most deleterious variants are loss of function mutations in one of the three CCM genes. These genes code for proteins that form a ternary cytosolic complex with CCM2 as a hub. Very few CCM2 mi...

journal_title：Journal of medical genetics

authors： Bergametti F,Viot G,Verny C,Brechard MP,Denier C,Labauge P,Petit P,Nouet A,Viallet F,Chaussenot A,Hervé D,Tournier-Lasserve E,Riant F

更新日期：2020-06-01 00:00:00

abstract：:A 10 1/2 year old female with skeletal abnormalities was referred for genetic consultation because of learning disabilities and a suggestion of 'Turner-like' stigmata. Cytogenetic analysis revealed a paracentric inversion of an X(q13.1q26.1) chromosome. ...

journal_title：Journal of medical genetics

authors： Herr HM,Horton SJ,Scott CI Jr

更新日期：1985-04-01 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：BACKGROUND:Lysosomal protein profiling is being developed as a high throughput method to screen populations for lysosomal storage disorders (LSD). DESIGN:1415 blood spots from patients referred to a metabolic clinic for LSD were screened using a single multiplex assay for 14 proteins in a dried blood spot. RESULTS:Al...

journal_title：Journal of medical genetics

authors： Fuller M,Tucker JN,Lang DL,Dean CJ,Fietz MJ,Meikle PJ,Hopwood JJ

更新日期：2011-06-01 00:00:00

abstract：:Classical genetic theory, based on assumed equal mutation rates in males and females, predicts that one-third of all cases of Duchenne muscular dystrophy (DMD) in a generation are born as new mutants to non-carrier mothers. Furthermore, less than half the mothers of apparently isolated cases appear to be carriers on t...

journal_title：Journal of medical genetics

authors： Lane RJ,Robinow M,Roses AD

更新日期：1983-02-01 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：:A 2-year-old boy with macrocephaly, communicating hydrocephalus, and mild hepatosplenomegaly was found to have mild Hunter syndrome (MPS II). Establishment of the latter diagnosis was complicated by the paucity of obvious physical findings because of the patient's young age and his ethnic origin. ...

journal_title：Journal of medical genetics

authors： Yatziv S,Epstein CJ

更新日期：1977-12-01 00:00:00

abstract：:A total of 592 cells was examined from 38 normal humans who had either small or very large Y chromosomes. Chromosome identification was based on the QFQ technique. The distance between the X and Y chromosome was measured from centromere to centromere. The spatial distance between X and Y was significantly smaller when...

journal_title：Journal of medical genetics

authors： Dosik D,Verma RS

更新日期：1983-12-01 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：: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：: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：:It has previously been suggested that the non-deletion form of the alpha thalassaemia/mental retardation syndrome may be an X linked disorder. We describe four brothers with this syndrome in whom the diagnosis was first suspected because of their characteristic clinical features, although these varied somewhat from on...

journal_title：Journal of medical genetics

authors： Donnai D,Clayton-Smith J,Gibbons RJ,Higgs DR

更新日期：1991-11-01 00:00:00

abstract：:A two generation family with neurofibromatosis type 2 (NF2) is presented in which a family member requested presymptomatic molecular diagnosis. Since the consultand's mother had clinically well defined NF2, he was quoted to be at 50% risk of carrying an NF2 mutation. Mutation screening in the mother did not show the c...

journal_title：Journal of medical genetics

authors： Bijlsma EK,Wallace AJ,Evans DG

更新日期：1997-11-01 00:00:00

abstract：BACKGROUND:Isolated cytochrome c oxidase (COX) deficiency is usually associated with mutations in several factors involved in the biogenesis of COX. METHODS:We describe a patient with atypical, long surviving Leigh syndrome carrying two novel mutations in the COX15 gene, which encodes an enzyme involved in the biosynt...

journal_title：Journal of medical genetics

authors： Bugiani M,Tiranti V,Farina L,Uziel G,Zeviani M

更新日期：2005-05-01 00:00:00

abstract：:In the majority of patients, familial hypercholesterolaemia (FH) is caused by different mutations affecting the well defined low density lipoprotein receptor (LDLR) gene. However, 3% of patients in Munich with a clinical diagnosis of FH have a particular mutation in the apolipoprotein B gene causing familial defective...

journal_title：Journal of medical genetics

authors： Schuster H,Rauh G,Gerl C,Keller C,Wolfram G,Zöllner N

更新日期：1991-12-01 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：:The features of a child with Ehlers-Danlos syndrome type IV (EDS IV) resulting from a mutation in one COL3A1 allele were studied. The child was heterozygous for a G- to A-transition at the splice donor site of intron 41. It resulted in the splicing out of the exon 41 encoded sequence from alpha 1(III) mRNA and the del...

journal_title：Journal of medical genetics

authors： Sillence DO,Chiodo AA,Campbell PE,Cole WG

更新日期：1991-12-01 00:00:00

abstract：BACKGROUND/AIMS:The development of colorectal cancer and a variable range of extracolonic manifestations in familial adenomatous polyposis (FAP) is the result of the dominant inheritance of adenomatous polyposis coli (APC) gene mutations. In this study, direct mutation analysis of the APC gene was performed to determin...

journal_title：Journal of medical genetics

authors： Wallis YL,Morton DG,McKeown CM,Macdonald F

更新日期：1999-01-01 00:00:00

abstract：BACKGROUND:Consensus clinical diagnostic criteria for neurofibromatosis type I (NF1) include café-au-lait macules and skinfold freckling. The former are frequently the earliest manifestation of NF1, and as such are of particular significance when assessing young children at risk of the condition. A phenotype of predomi...

journal_title：Journal of medical genetics

authors： Burkitt Wright EM,Sach E,Sharif S,Quarrell O,Carroll T,Whitehouse RW,Upadhyaya M,Huson SM,Evans DG

更新日期：2013-09-01 00:00:00