abstract：BACKGROUND:The mitochondrial DNA (mDNA) 3243A>G variant is the most common pathogenic variant of the mDNA. To interpret results of clinical trials in mitochondrial disease, it is important to have a clear understanding of the natural course of disease. To obtain more insight into the disease burden and the progression ...

journal_title：Journal of medical genetics

authors： de Laat P,Rodenburg RR,Roeleveld N,Koene S,Smeitink JA,Janssen MC

更新日期：2021-01-01 00:00:00

abstract：BACKGROUND:Infertility affects approximately 15% of couples worldwide with male infertility being responsible for approximately 50% of cases. Although accumulating evidence demonstrates the critical role of the X chromosome in spermatogenesis during the last few decades, the expression patterns and potential impact of ...

journal_title：Journal of medical genetics

authors： Lu C,Zhang Y,Qin Y,Xu Q,Zhou R,Cui Y,Zhu Y,Zhang X,Zhang J,Wei X,Wang M,Hang B,Mao JH,Snijders AM,Liu M,Hu Z,Shen H,Zhou Z,Guo X,Wu X,Wang X,Xia Y

更新日期：2021-01-01 00:00:00

abstract：BACKGROUND:Tuberous sclerosis complex (TSC) is a rare autosomal dominant genetic disorder. Due to the various manifestations of TSC and their potential complications, a multidisciplinary care approach is recommended by consensus guidelines. OBJECTIVES:Our study aimed to give a complete description of our TSC adult coh...

journal_title：Journal of medical genetics

authors： Pfirmann P,Aupy J,Jambon E,Idier L,Prezelin-Reydit M,Fermis M,Devillard R,Grenier N,Combe C,Rigothier C

更新日期：2021-01-01 00:00:00

abstract：PURPOSE:Adoptees are a population that could benefit from genetic testing to fill gaps in family health history (FHH). Elective genomic testing (EGT) provides adoptees with clinical genetic testing options to learn about genetic health risks in the absence of FHH. We assessed adoptees' interests in, motivations for and...

journal_title：Journal of medical genetics

authors： Edgar J,Bao A,Maga T,Schwartz M,Yates C,Spencer S

更新日期：2020-12-21 00:00:00

abstract：INTRODUCTION:The Tousled-like kinases 1 and 2 (TLK1 and TLK2) are involved in many fundamental processes, including DNA replication, cell cycle checkpoint recovery and chromatin remodelling. Mutations in TLK2 were recently associated with 'Mental Retardation Autosomal Dominant 57' (MRD57, MIM# 618050), a neurodevelopme...

journal_title：Journal of medical genetics

authors： Pavinato L,Villamor-Payà M,Sanchiz-Calvo M,Andreoli C,Gay M,Vilaseca M,Arauz-Garofalo G,Ciolfi A,Bruselles A,Pippucci T,Prota V,Carli D,Giorgio E,Radio FC,Antona V,Giuffrè M,Ranguin K,Colson C,De Rubeis S,Dimartino

更新日期：2020-12-15 00:00:00

abstract：:Advances in technology have led to a massive expansion in the capacity for genomic analysis, with a commensurate fall in costs. The clinical indications for genomic testing have evolved markedly; the volume of clinical sequencing has increased dramatically; and the range of clinical professionals involved in the proce...

journal_title：Journal of medical genetics

authors： Garrett A,Callaway A,Durkie M,Cubuk C,Alikian M,Burghel GJ,Robinson R,Izatt L,Talukdar S,Side L,Cranston T,Palmer-Smith S,Baralle D,Berry IR,Drummond J,Wallace AJ,Norbury G,Eccles DM,Ellard S,Lalloo F,Evans DG,W

更新日期：2020-12-01 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：BACKGROUND:Limb-girdle muscular dystrophy type R1 (LGMDR1) can be caused by recessive CAPN3 mutations accounting for the majority of LGMD. To date, no systemic evaluation has been performed to analyse the detrimental and normal mutations on CAPN3 and its hotspots. METHODS:CAPN3 variants (n=112) from a total of 124 pat...

journal_title：Journal of medical genetics

authors： Zhong H,Zheng Y,Zhao Z,Lin P,Xi J,Zhu W,Lin J,Lu J,Yu M,Zhang W,Lv H,Yan C,Hu J,Wang Z,Lu J,Zhao C,Yuan Y,Luo S

更新日期：2020-09-29 00:00:00

abstract：BACKGROUND:The cohesin complex plays an essential role in genome organisation and cell division. A full complement of the cohesin complex and its regulators is important for normal development, since heterozygous mutations in genes encoding these components can be sufficient to produce a disease phenotype. The implicat...

journal_title：Journal of medical genetics

authors： Schierding W,Horsfield JA,O'Sullivan JM

更新日期：2020-09-11 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:Hirschsprung disease (HSCR) is a life-threatening congenital disorder in which the enteric nervous system is completely missing from the distal gut. Recent studies have shown that miR-4516 markedly inhibits cell migration, and as one of its potential targets, MAPK10 functions as a modifier for developing HSC...

journal_title：Journal of medical genetics

authors： Wang Y,Jiang Q,Chakravarti A,Cai H,Xu Z,Wu W,Gu B,Li L,Cai W

更新日期：2020-09-01 00:00:00

abstract：BACKGROUND:Somatic mutations are a major driver of cancer development and many have now been identified in various cancer types, but the comprehensive somatic mutation status of the normal tissues matched to tumours has not been revealed. METHOD:We analysed the somatic mutations of whole exome sequencing data in 392 p...

journal_title：Journal of medical genetics

authors： Oh JH,Sung CO

更新日期：2020-07-27 00:00:00

abstract：BACKGROUND:Heterozygous germline PMS2 variants are responsible for about 5% of Lynch syndrome (LS) but their prevalence is most likely underestimated because of complicated routine screening caused by highly homologous pseudogenes. Consequently, there is limited knowledge on the implication of the PMS2 gene in LS. MET...

journal_title：Journal of medical genetics

authors： Wang Q,Leclerc J,Bougeard G,Olschwang S,Vasseur S,Cassinari K,Boidin D,Lefol C,Naïbo P,Frébourg T,Buisine MP,Baert-Desurmont S,French Consortium of Oncogenetic laboratories for colorectal cancers, Unicancer Cancer Genetic Group (

更新日期：2020-07-01 00:00:00

abstract：BACKGROUND:Spinal and bulbar muscular atrophy (SBMA), also known as Kennedy's disease, is an X-linked motor neuron disorder caused by an expanded CAG repeat in the gene coding for the androgen receptor (AR). The range and significance of reduced penetrance alleles in SBMA has not been fully determined to date. We prese...

journal_title：Journal of medical genetics

authors： Laskaratos A,Breza M,Karadima G,Koutsis G

更新日期：2020-06-22 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：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：BACKGROUND:Primary ovarian insufficiency (POI) affects 1% of women under 40 years and is a public health problem. The genetic causes of POI are highly heterogeneous with isolated or syndromic forms. Recently, variants in genes involved in DNA repair have been shown to cause POI. Notably, syndromic POI with Fanconi anae...

journal_title：Journal of medical genetics

authors： Caburet S,Heddar A,Dardillac E,Creux H,Lambert M,Messiaen S,Tourpin S,Livera G,Lopez BS,Misrahi M

更新日期：2020-06-01 00:00:00

abstract：BACKGROUND:Ubiquitination has a central role in numerous biological processes, including cell development, stress responses and ageing. Perturbed ubiquitination has been implicated in human diseases ranging from cancer to neurodegenerative diseases. SIAH1 encodes a RING-type E3 ubiquitin ligase involved in protein ubiq...

journal_title：Journal of medical genetics

authors： Buratti J,Ji L,Keren B,Lee Y,Booke S,Erdin S,Kim SY,Palculict TB,Meiner V,Chae JH,Woods CG,Tam A,Héron D,Cong F,Harel T

更新日期：2020-05-19 00:00:00

abstract：BACKGROUND:Distal hereditary motor neuronopathies (dHMN) are a group of genetic disorders characterised by motor neuron degeneration leading to muscle weakness that are caused by mutations in various genes. HMNJ is a distinct form of the disease that has been identified in patients from the Jerash region of Jordan. Our...

journal_title：Journal of medical genetics

authors： Ververis A,Dajani R,Koutsou P,Aloqaily A,Nelson-Williams C,Loring E,Arafat A,Mubaidin AF,Horany K,Bader MB,Al-Baho Y,Ali B,Muhtaseb A,DeSpenza T Jr,Al-Qudah AA,Middleton LT,Zamba-Papanicolaou E,Lifton R,Christodoulou

更新日期：2020-03-01 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:Autistic spectrum disorders (ASDs) with developmental delay and seizures are a genetically heterogeneous group of diseases caused by at least 700 different genes. Still, a number of cases remain genetically undiagnosed. OBJECTIVE:The objective of this study was to identify and characterise pathogenic varian...

journal_title：Journal of medical genetics

authors： Hubert L,Cannata Serio M,Villoing-Gaudé L,Boddaert N,Kaminska A,Rio M,Lyonnet S,Munnich A,Poirier K,Simons M,Besmond C

更新日期：2020-02-01 00:00:00

abstract：BACKGROUND:The clinical phenotype of CDH1 pathogenic variant carriers has mostly been studied in families that fulfil criteria of hereditary diffuse gastric cancer (HDGC). We aimed at determining cancer phenotype and cancer risk estimation among families with CDH1 pathogenic variants not selected by HDGC clinical crite...

journal_title：Journal of medical genetics

authors： Xicola RM,Li S,Rodriguez N,Reinecke P,Karam R,Speare V,Black MH,LaDuca H,Llor X

更新日期：2019-12-01 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：:PurposeThe purpose of this document is to provide guidance for the use of next-generation sequencing (NGS, also known as massively parallel sequencing or MPS) in Canadian clinical genetic laboratories for detection of genetic variants in genomic DNA and mitochondrial DNA for inherited disorders, as well as somatic var...

journal_title：Journal of medical genetics

authors： Hume S,Nelson TN,Speevak M,McCready E,Agatep R,Feilotter H,Parboosingh J,Stavropoulos DJ,Taylor S,Stockley TL,Canadian College of Medical Geneticists (CCMG).

更新日期：2019-12-01 00:00:00

abstract：BACKGROUND:Data on the long-term motor outcomes of genome-wide association study (GWAS)-linked Parkinson disease (PD) carriers are useful for clinical management. OBJECTIVES:To characterise the association between GWAS-linked PARK16 gene variant and disease progression in PD over a 9-year time frame. METHODS:Over a 9...

journal_title：Journal of medical genetics

authors： Deng X,Xiao B,Allen JC,Ng E,Foo JN,Lo YL,Tan LCS,Tan EK

更新日期：2019-11-01 00:00:00

abstract：BACKGROUND:Multiple morphological abnormalities of the sperm flagella (MMAF) is a kind of severe teratozoospermia. Patients with the MMAF phenotype are infertile and present aberrant spermatozoa with absent, short, coiled, bent and/or irregular flagella. Mutations in several genes can explain approximately 30%-50% of M...

journal_title：Journal of medical genetics

authors： Liu W,Sha Y,Li Y,Mei L,Lin S,Huang X,Lu J,Ding L,Kong S,Lu Z

更新日期：2019-10-01 00:00:00

abstract：BACKGROUND:The 5α-reductase type 2 (5α-RD2) deficiency caused by mutations in the steroid 5α-reductase 2 (SRD5A2) gene results in variable degrees of undervirilisation in patients with 46,XY disorders of sex development. This study aims to profile the regional distribution and phenotype-genotype characteristics of SRD5...

journal_title：Journal of medical genetics

authors： Gui B,Song Y,Su Z,Luo FH,Chen L,Wang X,Chen R,Yang Y,Wang J,Zhao X,Fan L,Liu X,Wang Y,Chen S,Gong C

更新日期：2019-10-01 00:00:00

abstract：BACKGROUND:Recently, a patient with maternal uniparental disomy of chromosome 16 (UPD(16)mat) presenting with Silver-Russell syndrome (SRS) phenotype was reported. SRS is characterised by growth failure and dysmorphic features. OBJECTIVE:To clarify the prevalence of UPD(16)mat in aetiology-unknown patients with SRS ph...

journal_title：Journal of medical genetics

authors： Inoue T,Yagasaki H,Nishioka J,Nakamura A,Matsubara K,Narumi S,Nakabayashi K,Yamazawa K,Fuke T,Oka A,Ogata T,Fukami M,Kagami M

更新日期：2019-06-01 00:00:00

abstract：:The vocabulary currently used to describe genetic variants and their consequences reflects many years of studying and discovering monogenic disease with high penetrance. With the recent rapid expansion of genetic testing brought about by wide availability of high-throughput massively parallel sequencing platforms, acc...

journal_title：Journal of medical genetics

authors： Spurdle AB,Greville-Heygate S,Antoniou AC,Brown M,Burke L,de la Hoya M,Domchek S,Dörk T,Firth HV,Monteiro AN,Mensenkamp A,Parsons MT,Radice P,Robson M,Tischkowitz M,Tudini E,Turnbull C,Vreeswijk MP,Walker LC,Tavtigi

更新日期：2019-06-01 00:00:00

abstract：BACKGROUND:Structural variants (SVs) affecting non-coding cis-regulatory elements are a common cause of congenital limb malformation. Yet, the functional interpretation of these non-coding variants remains challenging. The human Liebenberg syndrome is characterised by a partial transformation of the arms into legs and ...

journal_title：Journal of medical genetics

authors： Kragesteen BK,Brancati F,Digilio MC,Mundlos S,Spielmann M

更新日期：2019-04-01 00:00:00

abstract：BACKGROUND:BRCA1 and BRCA2 (BRCA1/2) variants classified ambiguously as variants of uncertain significance (VUS) are a major challenge for clinical genetic testing in breast cancer; their relevance to the cancer risk is unclear and the association with the response to specific BRCA1/2-targeted agents is uncertain. To m...

journal_title：Journal of medical genetics

authors： Lee JS,Oh S,Park SK,Lee MH,Lee JW,Kim SW,Son BH,Noh DY,Lee JE,Park HL,Kim MJ,Cho SI,Lee YK,Park SS,Seong MW

更新日期：2018-12-01 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:Four genetic causes of isolated congenital central hypothyroidism (CeH) have been identified, but many cases remain unexplained. We hypothesised the existence of other genetic causes of CeH with a Mendelian inheritance pattern. METHODS:We performed exome sequencing in two families with unexplained isolated ...

journal_title：Journal of medical genetics

authors： Heinen CA,de Vries EM,Alders M,Bikker H,Zwaveling-Soonawala N,van den Akker ELT,Bakker B,Hoorweg-Nijman G,Roelfsema F,Hennekam RC,Boelen A,van Trotsenburg ASP,Fliers E

更新日期：2018-10-01 00:00:00

abstract：:Fetal hypokinesia or akinesia encompasses a broad spectrum of disorders, united by impaired movement in utero. Often, the underlying aetiology is genetic in origin, affecting part of the neuromuscular system. The affordable and high-throughput nature of next-generation DNA sequencing has led to an explosion in disease...

journal_title：Journal of medical genetics

authors： Beecroft SJ,Lombard M,Mowat D,McLean C,Cairns A,Davis M,Laing NG,Ravenscroft G

更新日期：2018-08-01 00:00:00

abstract：BACKGROUND:Thymine kinase 2 (TK2) is a mitochondrial matrix protein encoded in nuclear DNA and phosphorylates the pyrimidine nucleosides: thymidine and deoxycytidine. Autosomal recessive TK2 mutations cause a spectrum of disease from infantile onset to adult onset manifesting primarily as myopathy. OBJECTIVE:To perfor...

journal_title：Journal of medical genetics

authors： Garone C,Taylor RW,Nascimento A,Poulton J,Fratter C,Domínguez-González C,Evans JC,Loos M,Isohanni P,Suomalainen A,Ram D,Hughes MI,McFarland R,Barca E,Lopez Gomez C,Jayawant S,Thomas ND,Manzur AY,Kleinsteuber K,Marti

更新日期：2018-08-01 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：:Genetic testing for hereditary cancer predisposition has evolved rapidly in recent years with the discovery of new genes, but there is much debate over the clinical utility of testing genes for which there are currently limited data regarding the degree of associated cancer risk. To address the discrepancies that have...

journal_title：Journal of medical genetics

authors： Taylor A,Brady AF,Frayling IM,Hanson H,Tischkowitz M,Turnbull C,Side L,UK Cancer Genetics Group (UK-CGG).

更新日期：2018-06-01 00:00:00

abstract：BACKGROUND:Ichthyosis and neurological involvement occur in relatively few known Mendelian disorders caused by mutations in genes relevant both for epidermis and neural function. OBJECTIVES:To identify the cause of a similar phenotype of ichthyotic keratoderma, spasticity, mild hypomyelination (on MRI) and dysmorphic ...

journal_title：Journal of medical genetics

authors： Kutkowska-Kaźmierczak A,Rydzanicz M,Chlebowski A,Kłosowska-Kosicka K,Mika A,Gruchota J,Jurkiewicz E,Kowalewski C,Pollak A,Stradomska TJ,Kmieć T,Jakubowski R,Gasperowicz P,Walczak A,Śladowski D,Jankowska-Steifer E,Kornisze

更新日期：2018-06-01 00:00:00

abstract：BACKGROUND:Cole-Carpenter syndrome (CCS) is commonly classified as a rare Osteogenesis Imperfecta (OI) disorder. This was following the description of two unrelated patients with very similar phenotypes who were subsequently shown to have a heterozygous missense mutation in P4HB. OBJECTIVES:Here, we report a 3-year ol...

journal_title：Journal of medical genetics

authors： Balasubramanian M,Padidela R,Pollitt RC,Bishop NJ,Mughal MZ,Offiah AC,Wagner BE,McCaughey J,Stephens DJ

更新日期：2018-03-01 00:00:00

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