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:In total, 43 patients having short stature syndrome in 37 Yakut families with autosomal recessive prenatal and postnatal nonprogressive growth failure and facial dysmorphism but with normal intelligence have been identified. METHODS:Because Yakuts are considered as a population isolate and the disease is ra...

journal_title：Journal of medical genetics

authors： Maksimova N,Hara K,Miyashia A,Nikolaeva I,Shiga A,Nogovicina A,Sukhomyasova A,Argunov V,Shvedova A,Ikeuchi T,Nishizawa M,Kuwano R,Onodera O

更新日期：2007-12-01 00:00:00

abstract：:The m.8993T-->C MTATP6 mutation of mitochondrial DNA (mtDNA) usually causes mitochondrial disease in childhood, but was recently described in a family with adult onset ataxia and polyneuropathy. Cytochrome c oxidase muscle histochemistry, which is the standard clinical investigation for mitochondrial disease in adults...

journal_title：Journal of medical genetics

authors： Craig K,Elliott HR,Keers SM,Lambert C,Pyle A,Graves TD,Woodward C,Sweeney MG,Davis MB,Hanna MG,Chinnery PF

更新日期：2007-12-01 00:00:00

abstract：BACKGROUND:Progress has been made in identifying mutations that confer susceptibility to complex diseases, with the prospect that these genetic risks might be used in determining individual disease risk. AIM:To use Crohn disease (CD) as a model of a common complex disorder, and to develop methods to estimate disease r...

journal_title：Journal of medical genetics

authors： Lewis CM,Whitwell SC,Forbes A,Sanderson J,Mathew CG,Marteau TM

更新日期：2007-11-01 00:00:00

abstract：BACKGROUND:The most commonly reported phenotypes described in patients with PTEN mutations are Bannayan-Riley-Ruvalcaba syndrome (BRRS), with childhood onset, macrocephaly, lipomas and developmental delay, and Cowden Syndrome (CS), an adult-onset condition recognised by mucocutaneous signs, with a risk of cancers, in p...

journal_title：Journal of medical genetics

authors： Lachlan KL,Lucassen AM,Bunyan D,Temple IK

更新日期：2007-09-01 00:00:00

abstract：BACKGROUND:The AZFc region on the human Y chromosome has been found to be functionally important in spermatogenesis. Complete AZFc deletion is one of the most frequent causes of male infertility and the roles of partial AZFc deletions (gr/gr and b2/b3 deletions) in spermatogenesis are controversial. METHODS:To further...

journal_title：Journal of medical genetics

authors： Zhang F,Lu C,Li Z,Xie P,Xia Y,Zhu X,Wu B,Cai X,Wang X,Qian J,Wang X,Jin L

更新日期：2007-07-01 00:00:00

abstract：:Mutations in genes involved in Ras signalling cause Noonan syndrome and other disorders characterised by growth disturbances and variable neuro-cardio-facio-cutaneous features. We describe two sisters, 46 and 31 years old, who presented with dysmorphic features, hypotonia, feeding difficulties, retarded growth and psy...

journal_title：Journal of medical genetics

authors： Søvik O,Schubbert S,Houge G,Steine SJ,Norgård G,Engelsen B,Njølstad PR,Shannon K,Molven A

更新日期：2007-07-01 00:00:00

abstract：BACKGROUND:Chromosomal rearrangements, arising from unequal recombination between repeated sequences, are found in a subset of patients with autism. Duplications involving loci associated with behavioural disturbances constitute an especially good candidate mechanism. The Williams-Beuren critical region (WBCR), located...

journal_title：Journal of medical genetics

authors： Depienne C,Heron D,Betancur C,Benyahia B,Trouillard O,Bouteiller D,Verloes A,LeGuern E,Leboyer M,Brice A

更新日期：2007-07-01 00:00:00

abstract：:Rett syndrome (RS; MIM 312750) is a severe neurological disorder affecting exclusively females. Its prevalence is about 1 in 10,000 female births, and it is a prominent cause of profound mental handicap in women. RS is caused by mutations in the X-linked methyl CpG-binding protein 2 (MECP2) gene. These mutations were ...

journal_title：Journal of medical genetics

authors： Villard L

更新日期：2007-07-01 00:00:00

abstract：:Mitochondria play a central role in the secretion of insulin by pancreatic beta-cells, and pathogenic mutations of mitochondrial DNA (mtDNA) can cause diabetes. The aetiology of type 2 diabetes has a strong genetic component, raising the possibility that genetic variants of mtDNA alter the risk of developing the disor...

journal_title：Journal of medical genetics

authors： Chinnery PF,Mowbray C,Patel SK,Elson JL,Sampson M,Hitman GA,McCarthy MI,Hattersley AT,Walker M

更新日期：2007-06-01 00:00:00

abstract：BACKGROUND:Fanconi anaemia is a heterogeneous genetic disease, where 12 complementation groups have been already described. Identifying the complementation group in patients with Fanconi anaemia constitutes a direct procedure to confirm the diagnosis of the disease and is required for the recruitment of these patients ...

journal_title：Journal of medical genetics

authors： Antonio Casado J,Callén E,Jacome A,Río P,Castella M,Lobitz S,Ferro T,Muñoz A,Sevilla J,Cantalejo A,Cela E,Cervera J,Sánchez-Calero J,Badell I,Estella J,Dasí A,Olivé T,José Ortega J,Rodriguez-Villa A,Tapia M,Moliné

更新日期：2007-04-01 00:00:00

abstract：:This report presents the detection of a heterozygous deletion at chromosome 12q14 in three unrelated patients with a similar phenotype consisting of mild mental retardation, failure to thrive in infancy, proportionate short stature and osteopoikilosis as the most characteristic features. In each case, this interstitia...

journal_title：Journal of medical genetics

authors： Menten B,Buysse K,Zahir F,Hellemans J,Hamilton SJ,Costa T,Fagerstrom C,Anadiotis G,Kingsbury D,McGillivray BC,Marra MA,Friedman JM,Speleman F,Mortier G

更新日期：2007-04-01 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：BACKGROUND AND OBJECTIVE:In clinical settings with fixed resources allocated to predictive genetic testing for high-risk cancer predisposition genes, optimal strategies for mutation screening programmes are critically important. These depend on the mutation spectrum found in the population under consideration and the f...

journal_title：Journal of medical genetics

authors： Simard J,Dumont M,Moisan AM,Gaborieau V,Malouin H,Durocher F,Chiquette J,Plante M,Avard D,Bessette P,Brousseau C,Dorval M,Godard B,Houde L,INHERIT BRCAs.,Joly Y,Lajoie MA,Leblanc G,Lépine J,Lespérance B,Vézina H,

更新日期：2007-02-01 00:00:00

abstract：BACKGROUND:The diagnosis of calpainopathy is obtained by identifying calpain-3 protein deficiency or CAPN3 gene mutations. However, in many patients with limb girdle muscular dystrophy type 2A (LGMD2A), the calpain-3 protein quantity is normal because loss-of-function mutations cause its enzymatic inactivation. The ide...

journal_title：Journal of medical genetics

authors： Fanin M,Nascimbeni AC,Angelini C

更新日期：2007-01-01 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：:Prolidase deficiency (PD) is a rare autosomal recessive connective tissue disorder caused by mutations in the prolidase gene. The PD patients show a wide range of clinical outcomes characterised mainly by intractable skin ulcers, mental retardation and recurrent respiratory infections. Here we describe five different ...

journal_title：Journal of medical genetics

authors： Lupi A,Rossi A,Campari E,Pecora F,Lund AM,Elcioglu NH,Gultepe M,Di Rocco M,Cetta G,Forlino A

更新日期：2006-12-01 00:00:00

abstract：BACKGROUND:The extent which universally common or population-specific alleles can explain between-population variations in phenotypes is unknown. The heritable coronary heart disease risk factor lipoprotein(a) (Lp(a)) level provides a useful case study of between-population variation, as the aetiology of twofold higher...

journal_title：Journal of medical genetics

authors： Chretien JP,Coresh J,Berthier-Schaad Y,Kao WH,Fink NE,Klag MJ,Marcovina SM,Giaculli F,Smith MW

更新日期：2006-12-01 00:00:00

abstract：:Recent studies have shown that the G-allele of MDM2 SNP309 (T/G) in the p53 tumour suppressor pathway can accelerate tumorigenesis and alter the risk of various cancers in women and not in men. In this report, data are presented from two independent groups of patients that suggest that the G-allele of SNP309 accelerat...

journal_title：Journal of medical genetics

authors： Bond GL,Menin C,Bertorelle R,Alhopuro P,Aaltonen LA,Levine AJ

更新日期：2006-12-01 00:00:00

abstract：:Mutations in the 12S rRNA gene of the mitochondrial genome are responsible for maternally inherited non-syndromic hearing loss (NSHL), and for increased susceptibility to the ototoxicity of aminoglycoside antibiotics. Among these mutations, 1555A-->G is the most prevalent in all populations tested so far. Recently, th...

journal_title：Journal of medical genetics

authors： Rodríguez-Ballesteros M,Olarte M,Aguirre LA,Galán F,Galán R,Vallejo LA,Navas C,Villamar M,Moreno-Pelayo MA,Moreno F,del Castillo I

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND:Enzyme deficiencies of the oxidative phosphorylation (OXPHOS) system may be caused by mutations in the mitochondrial DNA (mtDNA) or in the nuclear DNA. OBJECTIVE:To analyse the sequences of the mtDNA coding region in 25 patients with OXPHOS system deficiency to identify the underlying genetic defect. RESUL...

journal_title：Journal of medical genetics

authors： Hinttala R,Smeets R,Moilanen JS,Ugalde C,Uusimaa J,Smeitink JA,Majamaa K

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND:Posterior polar cataract is a clinically distinctive opacity located at the back of the lens. It is commonly acquired in age related cataract, and may infrequently occur in pedigrees with congenital cataract. To date, five loci for autosomal dominant congenital posterior polar cataract have been identified. ...

journal_title：Journal of medical genetics

authors： Pras E,Mahler O,Kumar V,Frydman M,Gefen N,Pras E,Hejtmancik JF

更新日期：2006-10-01 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：BACKGROUND:Usher syndrome, a devastating recessive disorder which combines hearing loss with retinitis pigmentosa, is clinically and genetically heterogeneous. Usher syndrome type 1 (USH1) is the most severe form, characterised by profound congenital hearing loss and vestibular dysfunction. OBJECTIVE:To describe an ef...

journal_title：Journal of medical genetics

authors： Roux AF,Faugère V,Le Guédard S,Pallares-Ruiz N,Vielle A,Chambert S,Marlin S,Hamel C,Gilbert B,Malcolm S,Claustres M,French Usher Syndrome Collaboration.

更新日期：2006-09-01 00:00:00

abstract：BACKGROUND:Few germline BRCA2 rearrangements have been described compared with the large number of germline rearrangements reported in the BRCA1 gene. However, some BRCA2 rearrangements have been reported in families that included at least one case of male breast cancer. OBJECTIVE:To estimate the contribution of large...

journal_title：Journal of medical genetics

authors： Casilli F,Tournier I,Sinilnikova OM,Coulet F,Soubrier F,Houdayer C,Hardouin A,Berthet P,Sobol H,Bourdon V,Muller D,Fricker JP,Capoulade-Metay C,Chompret A,Nogues C,Mazoyer S,Chappuis P,Maillet P,Philippe C,Lortholar

更新日期：2006-09-01 00:00:00

abstract：BACKGROUND:A marker chromosome is defined as a structurally abnormal chromosome that cannot be identified by routine cytogenetics. The risk for phenotypic abnormalities associated with a marker chromosome depends on several factors, including inheritance, mode of ascertainment, chromosomal origin, and the morphology, c...

journal_title：Journal of medical genetics

authors： Graf MD,Christ L,Mascarello JT,Mowrey P,Pettenati M,Stetten G,Storto P,Surti U,Van Dyke DL,Vance GH,Wolff D,Schwartz S

更新日期：2006-08-01 00:00:00

abstract：BACKGROUND:We report here the genetic characterisation of a large five generation Chinese family with the phenotypic features of auditory neuropathy and progressive peripheral sensory neuropathy, and the genetic feature of X linked recessive inheritance. Disease onset was at adolescence (at an average age of 13 years f...

journal_title：Journal of medical genetics

authors： Wang QJ,Li QZ,Rao SQ,Lee K,Huang XS,Yang WY,Zhai SQ,Guo WW,Guo YF,Yu N,Zhao YL,Yuan H,Guan J,Leal SM,Han DY,Shen Y

更新日期：2006-07-01 00:00:00

abstract：BACKGROUND:Clefts of the lip and palate are common birth defects, affecting approximately 1 in 700 births worldwide. The aetiology of clefting is complex, with multiple genetic and environmental influences. METHODS:Genotype based linkage disequilibrium analysis was conducted using the family based association test (FB...

journal_title：Journal of medical genetics

authors： Warrington A,Vieira AR,Christensen K,Orioli IM,Castilla EE,Romitti PA,Murray JC

更新日期：2006-06-01 00:00:00

abstract：BACKGROUND:Subtelomere fluorescence in situ hybridisation (FISH) analysis has increasingly been used as an adjunct to routine cytogenetic testing in order to detect small rearrangements. Previous reports have estimated an overall abnormality rate of 6%, with a range of 2-29% because of different inclusion criteria. ME...

journal_title：Journal of medical genetics

authors： Ravnan JB,Tepperberg JH,Papenhausen P,Lamb AN,Hedrick J,Eash D,Ledbetter DH,Martin CL

更新日期：2006-06-01 00:00:00

abstract：BACKGROUND:The SCN8A gene on chromosome 12q13 encodes the voltage gated sodium channel Na(v)1.6, which is widely expressed in neurons of the CNS and PNS. Mutations in the mouse ortholog of SCN8A result in ataxia and other movement disorders. METHODS:We screened the 26 coding exons of SCN8A in 151 patients with inherit...

journal_title：Journal of medical genetics

authors： Trudeau MM,Dalton JC,Day JW,Ranum LP,Meisler MH

更新日期：2006-06-01 00:00:00

abstract：:Hereditary leiomyomatosis and renal cell cancer (HLRCC) is a tumour predisposition syndrome caused by heterozygous germline mutations in the fumarate hydratase (FH) gene. The condition is characterised by predisposition to benign leiomyomas of the skin and the uterus, renal cell carcinoma (RCC), and uterine leiomyosar...

journal_title：Journal of medical genetics

authors： Lehtonen HJ,Kiuru M,Ylisaukko-Oja SK,Salovaara R,Herva R,Koivisto PA,Vierimaa O,Aittomäki K,Pukkala E,Launonen V,Aaltonen LA

更新日期：2006-06-01 00:00:00

abstract：BACKGROUND:Congenital hereditary non-progressive hypoplasia of the cerebellum is a rare condition, frequently associated with other neuropathology such as lissencephaly. Clinically, the condition is associated with variable degrees of mental retardation, microcephaly, seizures, and movement disorders due to ataxia. In ...

journal_title：Journal of medical genetics

authors： Türkmen S,Demirhan O,Hoffmann K,Diers A,Zimmer C,Sperling K,Mundlos S

更新日期：2006-05-01 00:00:00

abstract：BACKGROUND:The apolipoprotein E (ApoE) polymorphism has been well studied in the adult human population, in part because the e4 allele is a known risk factor for Alzheimer's disease. Little is known of the distribution of ApoE alleles in newborns, and their association with perinatal brain damage has not been investiga...

journal_title：Journal of medical genetics

authors： Becher JC,Keeling JW,McIntosh N,Wyatt B,Bell J

更新日期：2006-05-01 00:00:00

abstract：:Several mutations in the extracellular matrix protein matrilin-3 cause a heterogeneous disease spectrum affecting skeletal tissues. We introduced three disease causing point mutations leading to single amino acid exchanges (R116W, T298M, C299S) in matrilin-3 and expressed the corresponding proteins in primary articula...

journal_title：Journal of medical genetics

authors： Otten C,Wagener R,Paulsson M,Zaucke F

更新日期：2005-10-01 00:00:00

abstract：BACKGROUND:Inherited disorders of fibrinogen are rare and affect either the quantity (hypofibrinogenaemia and afibrinogenaemia) or the quality of the circulating fibrinogen (dysfibrinogenaemia). Extensive allelic heterogeneity has been found for all three disorders: in congenital afibrinogenaemia >30 mutations, the maj...

journal_title：Journal of medical genetics

authors： Vu D,de Moerloose P,Batorova A,Lazur J,Palumbo L,Neerman-Arbez M

更新日期：2005-09-01 00:00:00

abstract：BACKGROUND:Fryns syndrome (FS) is the commonest autosomal recessive syndrome in which congenital diaphragmatic hernia (CDH) is a cardinal feature. It has been estimated that 10% of patients with CDH have FS. The autosomal recessive inheritance in FS contrasts with the sporadic inheritance for the majority of patients w...

journal_title：Journal of medical genetics

authors： Slavotinek A,Lee SS,Davis R,Shrit A,Leppig KA,Rhim J,Jasnosz K,Albertson D,Pinkel D

更新日期：2005-09-01 00:00:00

abstract：:In total, 200 families were reviewed with directly transmitted, cytogenetically visible unbalanced chromosome abnormalities (UBCAs) or euchromatic variants (EVs). Both the 130 UBCA and 70 EV families were divided into three groups depending on the presence or absence of an abnormal phenotype in parents and offspring. ...

journal_title：Journal of medical genetics

authors： Barber JC

更新日期：2005-08-01 00:00:00

abstract：BACKGROUND:There is increasing interest in the influence of host genetic factors on hepatic fibrosis, and whether genetic markers can reliably identify subjects at risk of developing severe disease. We hypothesised that hepatitis C virus (HCV) infected subjects with progressive fibrosis, classified using strict criteri...

journal_title：Journal of medical genetics

authors： Richardson MM,Powell EE,Barrie HD,Clouston AD,Purdie DM,Jonsson JR

更新日期：2005-07-01 00:00:00

abstract：BACKGROUND:A recent genetic study in mice and humans revealed the modulatory effect of MC1R (melanocortin-1 receptor) gene variants on kappa-opioid receptor mediated analgesia. It is unclear whether this gene affects basal pain sensitivity or the efficacy of analgesics acting at the more clinically relevant mu-opioid r...

journal_title：Journal of medical genetics

authors： Mogil JS,Ritchie J,Smith SB,Strasburg K,Kaplan L,Wallace MR,Romberg RR,Bijl H,Sarton EY,Fillingim RB,Dahan A

更新日期：2005-07-01 00:00:00

abstract：BACKGROUND:Pulmonary fibrosis is a complex disease for which the predisposing genetic variants remain unknown. In a prior study, susceptibility to bleomycin induced pulmonary fibrosis was mapped to loci Blmpf1 and Blmpf2 on chromosomes 17 and 11, respectively, in a C57BL/6J (B6, susceptible) and C3Hf/KAM (C3H, resistan...

journal_title：Journal of medical genetics

authors： Haston CK,Tomko TG,Godin N,Kerckhoff L,Hallett MT

更新日期：2005-06-01 00:00:00