Abstract:
:Incorporation of hypoxanthine, resistance to 8-azaguanine and activation by lyophilisation have been studied in cultured human fibroblasts. Cells from one family where there was a boy with Lesch-Nyham syndrome, from two families with variant H-PRT mutations and three cell strains from patients with the Lesch-Nyham syndrome were investigated. Cells from patients with the Lesch-Nyham syndrome showed almost no hypoxanthine incorporation and resistance to concentrations of 8-azaguanine up to 10(-3) M, whereas cells of patients with partial H-PRT deficiency demonstrated variant patterns of hypoxanthine uptake and partial resistance to 8-azaguanine. Lyophilisation of fibroblast sediment from patients with the Lesch-Nyhan syndrome and patients with variant H-PRT mutations showed activation of the deficient or partially deficient H-PRT enzyme. No such activation was observed in healthy controls. Activation of lyophilised fibroblast extract from patients and controls was not obtained. These results suggest that H-PRT could be associated with the cell membranes.
journal_name
Clin Genetjournal_title
Clinical geneticsauthors
Willers I,Held KR,Singh S,Goedde HWdoi
10.1111/j.1399-0004.1977.tb01299.xsubject
Has Abstractpub_date
1977-03-01 00:00:00pages
193-200issue
3eissn
0009-9163issn
1399-0004journal_volume
11pub_type
杂志文章abstract::Here we report two families with myotonic dystrophy (DM) in which the asymptomatic parent proved to be in a pre-mutation state. Polymerase chain reaction (PCR) analysis of the region spanning the CTG expansion demonstrated that one father of the proband possessed (CTG)n repeats of n = 12 and 44 copies and the other of...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1034/j.1399-0004.1998.5440416.x
更新日期:1998-10-01 00:00:00
abstract::In a study of 95 presumably healthy, 40-42-year old males from Northen Sweden, the Lp(a) phenotype distribution differed between those who had, and those who did not have one or more close relatives (parent or sib) with coronary heart disease. In the former group, 60% of the males were Lp(a+), as opposed to 28% in the...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1979.tb01014.x
更新日期:1979-11-01 00:00:00
abstract::The Say-Barber-Biesecker-Young-Simpson variant of Ohdo syndrome (SBBYSS) and Genitopatellar syndrome (GTPTS) are 2 rare but clinically well-described diseases caused by de novo heterozygous sequence variants in the KAT6B gene. Both phenotypes are characterized by significant global developmental delay/intellectual dis...
journal_title:Clinical genetics
pub_type: 杂志文章,评审
doi:10.1111/cge.13127
更新日期:2019-02-01 00:00:00
abstract::Lynch syndrome is caused by germline mutations in the mismatch repair genes MLH1, MSH2, MSH6 or PMS2. The novel MSH2 c.[2635-3T>C; 2635-5C>T] mutation was identified in 4 Lynch families, cosegregating with the disease. This mutation, located in intron 15, was predicted to alter the correct mRNA processing by in silico...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.2009.01346.x
更新日期:2010-08-01 00:00:00
abstract::A dysmorphic child was found by cytogenetic analysis to have an extra small marker chromosome. The marker chromosome was shown to possess a chromosome 18 centromere by in situ hybridization, and probably represents an isochromosome 18p. Centromere specific probes should be of value in identifying extra small marker ch...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1991.tb03054.x
更新日期:1991-06-01 00:00:00
abstract::In a clinical setting diagnosis, heritability, risk and outcome of human disease rely heavily on the use of markers present in specific tissues. In the past decade, the development of genome-wide, non-hypothesis driven methods to identify molecular markers associated with disease have led to the discovery of numerous ...
journal_title:Clinical genetics
pub_type: 杂志文章,评审
doi:10.1111/j.1399-0004.2011.01840.x
更新日期:2012-04-01 00:00:00
abstract::Fluorescent in situ hybridization with probes specific for a chromosomal subregion and chromosome-specific libraries (chromosome painting) are important new methods for assessing chromosome rearrangements. In this paper we present four patients with additional chromosomal material on chromosome 8p who have been studie...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1994.tb04024.x
更新日期:1994-04-01 00:00:00
abstract::We describe the genotypes of the complete cohort, from 1967 to 2014, of phenylketonuria (PKU) patients in Denmark, in total 376 patients. A total of 752 independent alleles were investigated. Mutations were identified on 744 PKU alleles (98.9%). In total, 82 different mutations were present in the cohort. The most fre...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/cge.12692
更新日期:2016-09-01 00:00:00
abstract::A girl in whom a ring chromosome 13 was found, presented with microcephaly, mental retardation and multiple minor malformations. She was born after a full term pregnancy, small for date and with a small head circumference. She underwent craniotomy at the age of 18 months because of premature closure of the metopic sut...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1975.tb00320.x
更新日期:1975-03-01 00:00:00
abstract::Fibroblast low density lipoprotein (LDL) plasma membrane receptor activity, measured as 125I-LDL association (plasma membrane binding plus intracellular accumulation) and degradation was determined in cell strains from 14 monozygotic (MZ) and 21 like-sexed dizygotic (DZ) normolipidemic twin pairs. The twins were betwe...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:
更新日期:1981-08-01 00:00:00
abstract::NR4A2, a member of the nuclear receptor superfamily, is involved in modulation of target gene transcription, regulating several developmental processes such as regulation of cellular homeostasis, neuronal development, inflammation and carcinogenesis. 2q24.1 deletions are extremely rare, and only 1 patient with a de no...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/cge.13383
更新日期:2018-08-01 00:00:00
abstract::Malignant hyperthermia (MH)-related mutations have been identified in the ryanodine receptor type 1 gene (RYR1) and in the dihydropyridine gene (CACNA1S), but about half of the patients do not have causative mutations in these genes. We wanted to study the contribution of other muscle genes to the RYR1 phenotypes. We ...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/cge.12508
更新日期:2015-10-01 00:00:00
abstract::We utilized a sample of 299 adult females aged between 19 and 86 years, carrying fragile X mental retardation (FMR1) alleles with small CCG expansions ranging from 50 to 141 repeats to analyse the relationships between psychological symptoms as assessed by the Symptom Checklist-90-Revised (SCL-90-R) and the size of th...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/cge.12347
更新日期:2015-02-01 00:00:00
abstract::Marfan syndrome is a clinically and allelic heterogeneous, heritable connective tissue disorder with infrequently reported neuromuscular features. This study is the first to delineate these symptoms in a non-selected population. Neuromuscular involvement was evaluated in 10 Marfan patients through a standardized quest...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.2009.01197.x
更新日期:2009-07-01 00:00:00
abstract::A large 15p + chromosome with a whole heterochromatic short arm has been studied by means of different banding techniques in six of nine individuals of a family; a possible Y/15 translocation has been excluded. Furthermore a heteromorphic pair 9 has been observed in seven family members, representing a "possible" smal...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1984.tb04368.x
更新日期:1984-09-01 00:00:00
abstract::Hereditary non-polyposis colorectal cancer (HNPCC) may be the result of Lynch syndrome (LS) caused by mutations in mismatch repair (MMR) genes, a syndrome of unknown etiology called familial colorectal cancer type-X (FCCTX), or familial serrated neoplasia associated with the colorectal cancer (CRC) somatic BRAF mutati...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/cge.12080
更新日期:2013-12-01 00:00:00
abstract::The determination of acetylcholinesterase (AChE) has been shown to be as specific as alphafetoprotein (AFP) for the prenatal detection of open neural tube defects although AFP remains the method of choice. This paper describes a semi-automated technique for the analysis of acetylcholinesterase in amniotic fluid that: ...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1986.tb00812.x
更新日期:1986-03-01 00:00:00
abstract::Alzheimer's Disease (AD) is a devastating disease that affects millions of elderly persons. Despite years of intense investigations, genetic risk factors that affect the majority of AD cases have yet to be determined. Recent studies suggest that cholesterol metabolism has integral part in AD pathogenesis, suggesting t...
journal_title:Clinical genetics
pub_type: 杂志文章,评审
doi:10.1111/j.0009-9163.2004.00280.x
更新日期:2004-07-01 00:00:00
abstract::Ophthalmology has been an early adopter of personalized medicine. Drawing on genomic advances to improve molecular diagnosis, such as next-generation sequencing, and basic and translational research to develop novel therapies, application of genetic technologies in ophthalmology now heralds development of gene replace...
journal_title:Clinical genetics
pub_type: 杂志文章,评审
doi:10.1111/cge.12389
更新日期:2014-07-01 00:00:00
abstract::Complex chromosomal rearrangements (CCRs) are rare findings in clinical cytogenetics. As a result of the high risk of unbalanced segregation, familial cases are even rarer and maternal transmission occurs more frequently than paternal transmission. Analogous to Drosophila and mice, as well as to CCRs involving the Y c...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.2010.01419.x
更新日期:2010-12-01 00:00:00
abstract::It has been reported that the frequency of congenital heart defects (CHD) in children of an affected parent is now three to five times what it was 20 years ago. One conceivable cause of this is that patients with CHD of a severity that would have precluded parenthood before the advent of treatment are now able to (and...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1987.tb03345.x
更新日期:1987-09-01 00:00:00
abstract::Multiple congenital malformations in a young girl with bilateral conductive hearing loss are described. Facial dysmorphic features include prominent supraorbital ridges, facial hypoplasia, facial asymmetry, downward-slanting palpebral fissures, high prominent nasal bridge with bifid nasal tip and a small lower jaw, an...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1997.tb02511.x
更新日期:1997-07-01 00:00:00
abstract::Mutations in PCDH19, which encodes protocadherin 19, have been identified in epilepsy, mainly in affected females. We summarized the clinical spectrum of female epilepsy patients with PCDH19 mutations in a Chinese population. We screened for PCDH19 mutations in 75 girls diagnosed with Dravet syndrome (DS) without a SC...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/cge.12846
更新日期:2017-01-01 00:00:00
abstract::Hepatic manifestations of tuberous sclerosis complex: a genotypic and phenotypic analysis. A retrospective review of the clinical records and radiological images of 205 patients with tuberous sclerosis complex (TSC) was performed to evaluate the prevalence and progression of hepatic lesions; examine the association of...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.2012.01845.x
更新日期:2012-12-01 00:00:00
abstract::Serum-trypsin-inhibitory-capacity (STIC) and alpha1-antitrypsin (AAT) genotypes were evaluated in 83 twins and 112 paired parents-of-twins. An increased prevalence (17.0--21.9%) of intermediate AAT deficiency (STIC less than 0.95 units/ml) was detected in both of these groups as compared to a prevalence of 4.1% in 1,8...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1979.tb02026.x
更新日期:1979-01-01 00:00:00
abstract::Patients with restrictive cardiomyopathy (RC) have impaired diastolic function, but intact systolic function until later stages of the disease, ultimately leading to heart failure. Primary RC is often sporadic, but also may be inherited in an autosomal dominant fashion, particularly the idiopathic forms. Recently ther...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1034/j.1399-0004.2001.590406.x
更新日期:2001-04-01 00:00:00
abstract::On the fifth day after subcultivation,, fibroblasts of two unrelated patients with adrenoleukodystrophy (Siemerling-Creutzfeldt disease (SCD)) developed typical morphologic anomalies which could be seen by light microscopy. From skin biopsy material of an obligatorily heterozygous womam, both normal and morphologicall...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1977.tb01287.x
更新日期:1977-02-01 00:00:00
abstract::We describe two patients, a 19-year-old girl and a 19-year-old boy, with mosaic trisomy 18 and pigmentary dysplasias. Both patients had profound growth and mental retardation, marked kyphoscoliosis, bushy eyebrows, bulbous nose, simple ears, and joint contractures - clinical manifestations of long survivors with mosai...
journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1991.tb02988.x
更新日期:1991-01-01 00:00:00
abstract::A deletion of 7q21.2-q22.1 has been found in a patient with split foot and developmental retardation. Molecular analysis using polymerase chain reaction (PCR) showed deletion of three microsatellite markers, D7S527, D7S479 and D7S554, in the patient's paternal chromosome. These results pinpoint the critical region for...
journal_title:Clinical genetics
pub_type: 杂志文章,评审
doi:10.1111/j.1399-0004.1995.tb03930.x
更新日期:1995-02-01 00:00:00
abstract::An emerging challenge facing those who are concerned about the efficacy of public health programs is to understand how information from the DNA revolution might be used to improve our ability to predict the initiation, progression and severity of a common disease having a complex multifactorial etiology. In the course...
journal_title:Clinical genetics
pub_type: 杂志文章,评审
doi:10.1111/j.1399-0004.1994.tb04196.x
更新日期:1994-07-01 00:00:00