Skewed X inactivation is associated with phenotype in a female with adrenal hypoplasia congenita.

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：:Disease associated balanced chromosomal rearrangements (DBCRs), which truncate, delete, or otherwise inactivate specific genes, have been instrumental for positional cloning of many disease genes. A network of cytogenetic laboratories, Mendelian Cytogenetics Network (MCN), has been established to facilitate the identi...

journal_title：Journal of medical genetics

authors： Bugge M,Bruun-Petersen G,Brøndum-Nielsen K,Friedrich U,Hansen J,Jensen G,Jensen PK,Kristoffersson U,Lundsteen C,Niebuhr E,Rasmussen KR,Rasmussen K,Tommerup N

更新日期：2000-11-01 00:00:00

abstract：BACKGROUND:The melanocortin-4-receptor gene (MC4R) is part of the melanocortinergic pathway that controls energy homeostasis. In a recent meta-analysis, the MC4R V103I (rs2229616) polymorphism was shown to be associated with body weight regulation. Although no functional differences between the isoleucine comprising re...

journal_title：Journal of medical genetics

authors： Heid IM,Vollmert C,Hinney A,Döring A,Geller F,Löwel H,Wichmann HE,Illig T,Hebebrand J,Kronenberg F,KORA Group.

更新日期：2005-04-01 00:00:00

abstract：INTRODUCTION:We report a 34-year-old Japanese female with a Silver-Russell syndrome (SRS)-like phenotype and a mosaic Turner syndrome karyotype (45,X/46,XX). METHODS/RESULTS:Molecular studies including methylation analysis of 17 differentially methylated regions (DMRs) on the autosomes and the XIST-DMR on the X chromo...

journal_title：Journal of medical genetics

authors： Yamazawa K,Nakabayashi K,Kagami M,Sato T,Saitoh S,Horikawa R,Hizuka N,Ogata T

更新日期：2010-11-01 00:00:00

abstract：:Primary hyperoxaluria type 1 (PH1) is a severe autosomal recessive inborn error of glyoxylate metabolism caused by deficiency of the hepatic peroxisomal enzyme alanine:glyoxylate aminotransferase. This enzyme is encoded by the AGXT gene on chromosome 2q37.3. DNA samples from 79 PH1 patients were studied using single s...

journal_title：Journal of medical genetics

authors： von Schnakenburg C,Rumsby G

更新日期：1997-06-01 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：:HLA and Gm typing were carried out in 16 families. Seven families included 10 sib pairs with rheumatoid arthritis (RA) and autoimmune thyroid disease (ATD) respectively, and nine families included 16 sib pairs with RA and circulating thyroid autoantibodies respectively. Eight, 11, and seven sib pairs with either RA or...

journal_title：Journal of medical genetics

authors： Sanders PA,Grennan DM,Dyer PA,de Lange GG,Harris R

更新日期：1985-12-01 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: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：:Type 1 Gaucher disease families were studied in an attempt to establish a phenotype/genotype correlation in affected persons and also to identify carriers accurately. In the Portuguese type 1 Gaucher patients, screening for mutations N370S, L444P, R463C, and 1066 + 1 G-->A allowed the identification of 85% of the alle...

journal_title：Journal of medical genetics

authors： Amaral O,Fortuna AM,Lacerda L,Pinto R,Sa Miranda MC

更新日期：1994-05-01 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：: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：:​BACKGROUND: The clinical severity of disease in neurofibromatosis type 2 (NF2) is variable. Patients affected with a constitutional truncating NF2 mutation have severe disease, while missense mutations or mosaic mutations present with a milder attenuated phenotype. Genotype-derived natural history data are important ...

journal_title：Journal of medical genetics

authors： Halliday D,Emmanouil B,Pretorius P,MacKeith S,Painter S,Tomkins H,Evans DG,Parry A

更新日期：2017-10-01 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：BACKGROUND:A limited number of studies aimed at investigating the possible association of Y-chromosome haplogroups with microdeletions of the azoospermia factors (AZFs) or with particular infertile phenotypes, but definitive conclusions have not been attained. The main confounding elements in these association studies ...

journal_title：Journal of medical genetics

authors： Arredi B,Ferlin A,Speltra E,Bedin C,Zuccarello D,Ganz F,Marchina E,Stuppia L,Krausz C,Foresta C

更新日期：2007-03-01 00:00:00

abstract：:We describe 14 boys and six girls, including monozygotic twins, with the CHARGE association. All of the children had at least four of the seven major features included in the mnemonic CHARGE and all had ear anomalies or deafness or both and either coloboma or choanal atresia or both. All the boys had evidence of hypog...

journal_title：Journal of medical genetics

authors： Oley CA,Baraitser M,Grant DB

更新日期：1988-03-01 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：BACKGROUND:Azoospermia is the absence of a measurable level of spermatozoa in the semen. It affects approximately 1% of all men, and the genetic basis of the majority of idiopathic cases is unknown. We investigated two unrelated consanguineous families with idiopathic azoospermia. In family 1, there were three azoosper...

journal_title：Journal of medical genetics

authors： Ayhan Ö,Balkan M,Guven A,Hazan R,Atar M,Tok A,Tolun A

更新日期：2014-04-01 00:00:00

abstract：:Cardio-facio-cutaneous (CFC) syndrome, Noonan syndrome (NS), and Costello syndrome (CS) are clinically related developmental disorders that have been recently linked to mutations in the RAS/MEK/ERK signalling pathway. This study was a mutation analysis of the KRAS, BRAF, MEK1 and MEK2 genes in a total of 130 patients ...

journal_title：Journal of medical genetics

authors： Nava C,Hanna N,Michot C,Pereira S,Pouvreau N,Niihori T,Aoki Y,Matsubara Y,Arveiler B,Lacombe D,Pasmant E,Parfait B,Baumann C,Héron D,Sigaudy S,Toutain A,Rio M,Goldenberg A,Leheup B,Verloes A,Cavé H

更新日期：2007-12-01 00:00:00

abstract：BACKGROUND:Succinate-CoA ligase deficiency is responsible for encephalomyopathy with mitochondrial DNA depletion and mild methylmalonic aciduria. Mutations in SUCLA2, the gene encoding a β subunit of succinate-CoA ligase, have been reported in 17 patients until now. Mutations in SUCLG1, encoding the α subunit of the en...

journal_title：Journal of medical genetics

authors： Rouzier C,Le Guédard-Méreuze S,Fragaki K,Serre V,Miro J,Tuffery-Giraud S,Chaussenot A,Bannwarth S,Caruba C,Ostergaard E,Pellissier JF,Richelme C,Espil C,Chabrol B,Paquis-Flucklinger V

更新日期：2010-10-01 00:00:00

abstract：BACKGROUND:Sedaghatian-type spondylometaphyseal dysplasia (SSMD) is a neonatal lethal form of spondylometaphyseal dysplasia characterised by severe metaphyseal chondrodysplasia with mild limb shortening, platyspondyly, cardiac conduction defects, and central nervous system abnormalities. As part of the FORGE Canada Con...

journal_title：Journal of medical genetics

authors： Smith AC,Mears AJ,Bunker R,Ahmed A,MacKenzie M,Schwartzentruber JA,Beaulieu CL,Ferretti E,FORGE Canada Consortium.,Majewski J,Bulman DE,Celik FC,Boycott KM,Graham GE

更新日期：2014-07-01 00:00:00

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：:Seven patients with congenital cutis laxa are presented. The associated features include developmental delay, joint laxity, wide anterior fontanelle, growth retardation, dental caries, and osteopenia. The heterogeneity and inheritance of congenital cutis laxa are discussed. This particular syndrome appears distinct an...

journal_title：Journal of medical genetics

authors： Patton MA,Tolmie J,Ruthnum P,Bamforth S,Baraitser M,Pembrey M

更新日期：1987-09-01 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 phenotypic and quantitative relationship of red cell acid phosphatase with haemoglobin, haptoglobin, and G6PD phenotypes was investigated in three populations in the Sudan and one population in Nilgiris, India. No significant consistent association of red cell acid phosphatase phenotypes was observed with these po...

journal_title：Journal of medical genetics

authors： Saha N,Patgunarajah N

更新日期：1981-08-01 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：:In order to identify a gene(s) susceptible to idiopathic pulmonary fibrosis (IPF), we conducted a genome-wide association (GWA) study by genotyping 159 patients with IPF and 934 controls for 214 508 tag single-nucleotide polymorphisms (SNPs). We further evaluated selected SNPs in a replication sample set (83 cases and...

journal_title：Journal of medical genetics

authors： Mushiroda T,Wattanapokayakit S,Takahashi A,Nukiwa T,Kudoh S,Ogura T,Taniguchi H,Kubo M,Kamatani N,Nakamura Y,Pirfenidone Clinical Study Group.

更新日期：2008-10-01 00:00:00

abstract：BACKGROUND:Because the mitochondrial respiratory chain (RC) is ubiquitous, its deficiency can theoretically give rise to any symptom in any organ or tissue at any age with any mode of inheritance, owing to the twofold genetic origin of respiratory enzyme machinery, that is, nuclear and mitochondrial. Not all respirator...

journal_title：Journal of medical genetics

authors： de Beaurepaire I,Grévent D,Rio M,Desguerre I,de Lonlay P,Levy R,Dangouloff-Ros V,Bonnefont JP,Barcia G,Funalot B,Besmond C,Metodiev MD,Ruzzenente B,Assouline Z,Munnich A,Rötig A,Boddaert N

更新日期：2018-06-01 00:00:00

abstract：:Evidence is presented to support the recent suggestion that human neural tube closure is similar to that observed in mice, and comprises several regionally distinct closure sites rather than being a simple zipping up process. Seven subjects, each with more than one neural tube defect (NTD), are described. Comparative ...

journal_title：Journal of medical genetics

authors： Seller MJ

更新日期：1995-03-01 00:00:00

abstract：BACKGROUND:Genomic imprinting is a process causing genes to be expressed according to parental origin. Imprinting acts to coordinate fetal and prenatal growth, as well as control postnatal adaptations. Studies on human imprinting are confounded by tissue availability, sampling variability and limitations posed by tissu...

journal_title：Journal of medical genetics

authors： Lim AL,Ng S,Leow SC,Choo R,Ito M,Chan YH,Goh SK,Tng E,Kwek K,Chong YS,Gluckman PD,Ferguson-Smith AC

更新日期：2012-11-01 00:00:00