Molecular and clinical characterisation of three Spanish families with maternally inherited non-syndromic hearing loss caused by the 1494C->T mutation in the mitochondrial 12S rRNA gene.

abstract：:Adolescents who are actively requesting Huntington's predictive testing of their own accord pose a dilemma to those providing testing. In the absence of empirical evidence as regards the impact of genetic testing on minors, current policy and guidelines, based on the ethical principles of non-maleficence and respect f...

journal_title：Journal of medical genetics

authors： Binedell J,Soldan JR,Scourfield J,Harper PS

更新日期：1996-11-01 00:00:00

abstract：BACKGROUND:Male infertility is a prevalent issue worldwide, mostly due to the impaired sperm motility. Multiple morphological abnormalities of the sperm flagella (MMAF) present aberrant spermatozoa with absent, short, coiled, bent and irregular-calibre flagella resulting in severely decreased motility. Previous studies...

journal_title：Journal of medical genetics

authors： Li W,Wu H,Li F,Tian S,Kherraf ZE,Zhang J,Ni X,Lv M,Liu C,Tan Q,Shen Y,Amiri-Yekta A,Cazin C,Zhang J,Liu W,Zheng Y,Cheng H,Wu Y,Wang J,Gao Y,Chen Y,Zha X,Jin L,Liu M,He X,Ray PF,Cao Y,Zhang F

更新日期：2020-02-01 00:00:00

abstract：:A sequential silver-Giemsa (SG) procedure is presented, initially to stain the p11 and q11 euchromatic bands and subsequently the q12 heterochromatic band of the human Y chromosomes. A three sub-band division of the q11 band can be identified. The same technique differentially stains the secondary constriction of chro...

journal_title：Journal of medical genetics

authors： Goyanes VJ

更新日期：1980-12-01 00:00:00

abstract：:G band cytogenetic analysis often leads to the discovery of unbalanced karyotypes that require further characterisation by molecular cytogenetic studies. In particular, G band analysis usually does not show the chromosomal origin of small marker chromosomes or of a small amount of extra material detected on otherwise ...

journal_title：Journal of medical genetics

authors： Breen CJ,Barton L,Carey A,Dunlop A,Glancy M,Hall K,Hegarty AM,Khokhar MT,Power M,Ryan K,Green AJ,Stallings RL

更新日期：1999-07-01 00:00:00

abstract：:Favism is a severe, acute haemolytic anaemia which occurs in about 20% of G6PD deficient subjects after ingestion of fava beans. Since not all G6PD deficient subjects are sensitive to fava beans, the possibility has been suggested that extra erythrocytic factors may play an important role in the susceptibility to haem...

journal_title：Journal of medical genetics

authors： Mareni C,Repetto L,Forteleoni G,Meloni T,Gaetani GF

更新日期：1984-08-01 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：:Ehlers-Danlos syndrome (EDS) is a heterogeneous group of connective tissue disorders. Recently mutations have been found in the genes for type V collagen in a small number of people with the most common forms of EDS, types I and II. Here we characterise a COL5A2 mutation in an EDS II family. Cultured dermal fibroblast...

journal_title：Journal of medical genetics

authors： Richards AJ,Martin S,Nicholls AC,Harrison JB,Pope FM,Burrows NP

更新日期：1998-10-01 00:00:00

abstract：:Sex linked recessive deafness is a rare cause of male genetic deafness, estimated to account for 6.2% of male genetic deafness in 1966. A male excess was found in the deaf population of Ireland in 1851. Reevaluation of this survey of 1851 confirms sex linked deafness as a factor in the disproportionate number of deaf ...

journal_title：Journal of medical genetics

authors： Reardon W

更新日期：1990-06-01 00:00:00

abstract：:The development of inexpensive high throughput methods to identify individual DNA sequence differences is important to the future growth of medical genetics. This has become increasingly apparent as epidemiologists, pathologists, and clinical geneticists focus more attention on the molecular basis of complex multifact...

journal_title：Journal of medical genetics

authors： Hacia JG,Collins FS

更新日期：1999-10-01 00:00:00

abstract：:A family with von Hippel-Lindau disease (VHL) type 2A has been shown to have a T to C missense mutation at nucleotide 547 of the VHL gene. This gives further support for the proposal to associate the 547 T to C mutation with phenotype VHL 2A. ...

journal_title：Journal of medical genetics

authors： Chen F,Slife L,Kishida T,Mulvihill J,Tisherman SE,Zbar B

更新日期：1996-08-01 00:00:00

abstract：:Dominantly inherited osteogenesis imperfecta is consistently linked to the two loci encoding the alpha 1 and alpha 2 subunits of collagen 1, the predominant bone collagen. We have performed several prenatal diagnoses based on identification of the segregating allele at the concordant locus in chorionic villus samples ...

journal_title：Journal of medical genetics

authors： Lynch JR,Ogilvie D,Priestley L,Baigrie C,Smith R,Farndon P,Sykes B

更新日期：1991-03-01 00:00:00

abstract：:MWS is a multiple congenital anomaly syndrome, first clinically delineated by Mowat et al in 1998. Over 45 cases have now been reported. All patients have typical dysmorphic features in association with severe intellectual disability, and nearly all have microcephaly and seizures. Congenital anomalies, including Hirsc...

journal_title：Journal of medical genetics

authors： Mowat DR,Wilson MJ,Goossens M

更新日期：2003-05-01 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：BACKGROUND:The hallmark of the neurobehavioural phenotype of Williams-Beuren syndrome (WBS) is increased sociability and relatively preserved language skills, often described as opposite to autism spectrum disorders (ASD). However, the prevalence of ASD in WBS is 6-10 times higher than in the general population. We hav...

journal_title：Journal of medical genetics

authors： Codina-Sola M,Costa-Roger M,Pérez-García D,Flores R,Palacios-Verdú MG,Cusco I,Pérez-Jurado LA

更新日期：2019-12-01 00:00:00

abstract：:Patients affected with progressive myoclonus epilepsy of the Lafora type present during late adolescence with a characteristic EEG pattern and Lafora bodies seen on skin biopsy. The critical region for the Lafora gene has been localised to chromosome 6q24 flanked by the dinucleotide repeat markers D6S292 and D6S420. T...

journal_title：Journal of medical genetics

authors： Maddox LO,Descartes M,Collins J,Keating J,Rosenfeld S,Palmer C,Carroll AJ,Kuzniecky R

更新日期：1997-07-01 00:00:00

abstract：:We report on a proband with both a Robertsonian translocation and Turner's syndrome. Study of the parental origin of the X chromosome performed by microsatellite analysis indicates paternal origin of the X chromosome (Xpat). The occurrence of chromosome aberrations as a consequence of interchromosomal interactions is ...

journal_title：Journal of medical genetics

authors： Krajinovic M,Ivanovic K,Mestroni L,Diklic V,Nikolis J

更新日期：1994-03-01 00:00:00

abstract：:A 13 year old girl was referred with congenital microcephaly, developmental delay, a prominent nose, highly arched palate, and an apparently low set left ear. She was found to have a pericentric inversion of one chromosome 7 and a ring chromosome 8, 46,XX,inv(7) (pter----p22::q11.23----p22::q11.23----qter), r(8) (p23q...

journal_title：Journal of medical genetics

authors： Verma RS,Conte RA,Pitter JH,Luke S

更新日期：1992-01-01 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：:A case of a supernumerary metacentric small chromosome, diagnosed at birth, is described. The cytogenetic findings support its identification as i(18p). The clinical development from birth to 12 months is reported, with particular attention given to the psychomotor retardation and to the immunological aspect. ...

journal_title：Journal of medical genetics

authors： Rocchi M,Stormi M,Archidiacono N,Filippi G

更新日期：1979-02-01 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：:It has recently been emphasised that a subset of patients with type 2 Gaucher disease die in the neonatal period. This report describes an Afghani family with two conceptuses having severe, prenatally detected Gaucher disease. Mutational analysis showed that the family carried a known complex allele which included mut...

journal_title：Journal of medical genetics

authors： Sidransky E,Tayebi N,Stubblefield BK,Eliason W,Klineburgess A,Pizzolato GP,Cox JN,Porta J,Bottani A,DeLozier-Blanchet CD

更新日期：1996-02-01 00:00:00

abstract：:The observation of Campbell and Price in 1979 that their Unit had diagnosed four subjects with both Klinefelter's syndrome and congenital hypothyroidism raised the suspicion of an association between the two conditions. This, and the published reports of an XX male, five XXY males, and one mosaic XY/XXY with congenita...

journal_title：Journal of medical genetics

authors： Sarri C,Côté GB,Mengreli C,Lambadaridis I,Pantelakis S

更新日期：1988-04-01 00:00:00

abstract：BACKGROUND:The genetic causes of human idiopathic non-obstructive azoospermia (NOA) with meiotic arrest remain unclear. METHODS:Two Chinese families with infertility participated in the study. In family 1, two brothers were affected by idiopathic NOA. In family 2, the proband was diagnosed with idiopathic NOA, and his...

journal_title：Journal of medical genetics

authors： Yao C,Yang C,Zhao L,Li P,Tian R,Chen H,Guo Y,Huang Y,Zhi E,Zhai J,Sun H,Zhang J,Hong Y,Zhang L,Ji Z,Zhang F,Zhou Z,Li Z

更新日期：2020-09-08 00:00:00

abstract：BACKGROUND:The clinical phenotypes of females with fragile X full mutations vary drastically. Comparisons of discordant monozygotic twins provide opportunities to ascertain crucial factors that influence disease phenotype penetrance. OBJECTIVE:To identify crucial factors influencing the phenotypic expression of fragil...

journal_title：Journal of medical genetics

authors： Huang W,Luo S,Ou J,Zhu F,Xia Y,Xue J,Pan Q,Wu L,Duan R

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND:Gene-targeting studies in mice have revealed a key role for EVI1 protein in the maintenance of haematopoiesis, and argue in favour of a gene dosage requirement for EVI1 in the regulation of haematopoietic stem cells. Furthermore, a fusion transcript of MDS1 and EVI1 has been shown to play a critical role in ...

journal_title：Journal of medical genetics

authors： Nielsen M,Vermont CL,Aten E,Ruivenkamp CA,van Herrewegen F,Santen GW,Breuning MH

更新日期：2012-09-01 00:00:00

abstract：:Ten useful two allele restriction fragment length polymorphisms of the low density lipoprotein receptor gene were used for haplotype analysis in 45 unrelated familial hypercholesterolaemic (FH) patients, 60 normal controls, and 32 FH homozygotes, all of whom were white Afrikaners. Pedigree analysis in 27 informative h...

journal_title：Journal of medical genetics

authors： Kotze MJ,Langenhoven E,Retief AE,Seftel HC,Henderson HE,Weich HF

更新日期：1989-04-01 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：BACKGROUND:Over the last few years, array-comparative genomic hybridisation (CGH) has considerably improved our ability to detect cryptic unbalanced rearrangements in patients with syndromic mental retardation. METHOD:Molecular karyotyping of six patients with syndromic mental retardation was carried out using whole-g...

journal_title：Journal of medical genetics

authors： Le Meur N,Holder-Espinasse M,Jaillard S,Goldenberg A,Joriot S,Amati-Bonneau P,Guichet A,Barth M,Charollais A,Journel H,Auvin S,Boucher C,Kerckaert JP,David V,Manouvrier-Hanu S,Saugier-Veber P,Frébourg T,Dubourg C,Andr

更新日期：2010-01-01 00:00:00

abstract：:Two patients with partial monosomy of the short arm of chromosome 8 are described. Their clinical features were very similar. Comparison with previously reported patients confirms the existence of an 8p- syndrome. The importance of cytogenetic investigations in all infants with major congenital heart defect and facial...

journal_title：Journal of medical genetics

authors： Bröcker-Vriends AH,Mooij PD,van Bel F,Beverstock GC,van de Kamp JJ

更新日期：1986-04-01 00:00:00

abstract：:The spontaneous and mitomycin C (MMC) induced sister chromatid exchange (SCE) frequencies were examined in five adults with myotonic dystrophy (MD). There was no significant difference in the spontaneous incidence of SCE between MD patients and controls. However, a significantly enhanced response to the induction of S...

journal_title：Journal of medical genetics

authors： Vijayalaxmi,Emery AE,Evans HJ

更新日期：1982-04-01 00:00:00