Techniques for estimating genetic admixture and applications to the problem of the origin of the Icelanders and the Ashkenazi Jews.

abstract：:During the 8 year-period 1971-1978 inclusive, 268 newborn with Down's syndrome (DS) were ascertained in Wallonia (South Belgium). The chromosomes of all patients were analyzed. A standard trisomy 21 was observed in 259 cases (96.6%) and translocations in seven (2.6%). One mosaic (0.4%) and one case with a 47,XX,+21,5 ...

journal_title：Human genetics

authors： Koulischer L,Gillerot Y

更新日期：1980-01-01 00:00:00

abstract：:Catalase is an important antioxidant enzyme that detoxifies H2O2 into oxygen and water and thus limits the deleterious effects of reactive oxygen species (ROS). Because chronic exposure to excess ROS may contribute to vascular damage, we investigated whether genetic variation in catalase was associated with susceptibi...

journal_title：Human genetics

authors： Jiang Z,Akey JM,Shi J,Xiong M,Wang Y,Shen Y,Xu X,Chen H,Wu H,Xiao J,Lu D,Huang W,Jin L

更新日期：2001-07-01 00:00:00

abstract：:Rearrangement of the breakpoint cluster region (bcr) and the chromosomal location of c-abl and 3'-bcr were studied in two patients with Philadelphia chromosome (Ph1)-negative chronic myelocytic leukemia (CML). One patient (patient 1) had a normal karyotype and the other (patient 2), 46,XY,inv(3)(q21q26). Both patients...

journal_title：Human genetics

authors： Inazawa J,Nishigaki H,Takahira H,Nishimura J,Horiike S,Taniwaki M,Misawa S,Abe T

更新日期：1989-09-01 00:00:00

abstract：:Increasing experimental evidence supports a connection between inflammation and mitochondrial dysfunction. Both acute and chronic inflammatory diseases course with elevated free radicals production that may affect mitochondrial proteins, lipids, and mtDNA. The subsequent mitochondrial impairment produces more reactive...

journal_title：Human genetics

authors： Escames G,López LC,García JA,García-Corzo L,Ortiz F,Acuña-Castroviejo D

更新日期：2012-02-01 00:00:00

abstract：:We describe a new polymorphism upstream of the gene for monoamine oxidase A (MAOA), an important enzyme in human physiology and behavior. The polymorphism, which is located 1.2 kb upstream of the MAOA coding sequences, consists of a 30-bp repeated sequence present in 3, 3.5, 4, or 5 copies. The polymorphism is in link...

journal_title：Human genetics

authors： Sabol SZ,Hu S,Hamer D

更新日期：1998-09-01 00:00:00

abstract：:The incidence of exfoliated epithelial cells containing micronuclei was determined in two small human populations, one homozygous and the other heterozygous for the Bloom syndrome gene (bl). The objectives of the study were two: to learn whether the chromosome instability featured so prominently by Bloom syndrome (BS)...

journal_title：Human genetics

authors： Rosin MP,German J

更新日期：1985-01-01 00:00:00

abstract：:Forty cases of chronic myeloid leukemia (CML) were studied and subgroups of cases with similar chromosomal abnormalities in terminal stage were defined. Certain correlations were observed between the type of chromosomal changes, and clinical and morphologic manifestations of the disease: (1) It seems that, in cases wi...

journal_title：Human genetics

authors： Prigogina EL,Fleischman EW,Volkova MA,Frenkel MA

更新日期：1978-03-17 00:00:00

abstract：:A new procedure for determining the chromosomal origin of marker chromosomes has been carried out. The origin of marker chromosomes that were unidentifiable by standard banding techniques could be verified by reverse chromosome painting. This technique includes microdissection, followed by in vitro DNA amplification a...

journal_title：Human genetics

authors： Viersbach R,Schwanitz G,Nöthen MM

更新日期：1994-06-01 00:00:00

abstract：:X-linked hydrocephalus (HSAS) is the most common form of inherited hydrocephalus characterized by hydrocephalus due to stenosis of the aqueduct of Sylvius, mental retardation, clasped thumbs, and spastic paraparesis. MASA syndrome (mental retardation, aphasia, shuffling gait and adducted thumbs) and SPG1 (X-linked com...

journal_title：Human genetics

authors： Takechi T,Tohyama J,Kurashige T,Maruta K,Uyemura K,Ohi T,Matsukura S,Sakuragawa N

更新日期：1996-03-01 00:00:00

abstract：:Primary open-angle glaucoma (POAG) is a leading cause of blindness in the world. A number of mutations in the myocilin gene have been identified that predispose to glaucoma. The most frequent of these is the Glutamine368STOP (Q368STOP) mutation. It has been postulated that individuals with the Q368STOP mutation are de...

journal_title：Human genetics

authors： Baird PN,Craig JE,Richardson AJ,Ring MA,Sim P,Stanwix S,Foote SJ,Mackey DA

更新日期：2003-02-01 00:00:00

abstract：:Cytogenetic preparations from oocytes remaining unfertilised after in vitro fertilisation revealed single chromatids (as opposed to whole chromosomes) in 4 out of 38 meiosis II metaphases. In one oocyte, a single chromatid was present in addition to the normal 23,X complement, and in three oocytes, two identical but s...

journal_title：Human genetics

authors： Angell RR

更新日期：1991-02-01 00:00:00

abstract：:CGA----TGA (Arg----Term) transitions in the factor VIII gene causing severe haemophilia A were detected in two patients at codons 336 and 427 using a combination of oligonucleotide discrimination hybridization and DNA sequencing. Carrier detection analysis was then performed by polymerase chain reaction/direct sequenc...

journal_title：Human genetics

authors： Millar DS,Green PJ,Zoll B,Kakkar VV,Cooper DN

更新日期：1991-05-01 00:00:00

abstract：:Turner syndrome is a sex chromosome aneuploidy with characteristic malformations. Amniotic fluid, a complex biological material, could contribute to the understanding of Turner syndrome pathogenesis. In this pilot study, global gene expression analysis of cell-free RNA in amniotic fluid supernatant was utilized to ide...

journal_title：Human genetics

authors： Massingham LJ,Johnson KL,Scholl TM,Slonim DK,Wick HC,Bianchi DW

更新日期：2014-09-01 00:00:00

abstract：:Two siblings with the "happy puppet" syndrome are presented. Their clinical features are quite similar and closely resemble those of previously reported cases. These features include severe mental retardation, epileptic seizures, easily provoked and prolonged paroxysms of laughter, atactic jerky movements, hypotonia, ...

journal_title：Human genetics

authors： Kuroki Y,Matsui I,Yamamoto Y,Ieshima A

更新日期：1980-01-01 00:00:00

abstract：:Although several studies have demonstrated familial aggregation of nonsyndromic cleft palate (CP), the mode of inheritance still remains uncertain. We report the results of complex segregation analysis performed in families of 357 consecutive newborns affected with nonsyndromic CP (i.e., CP not a component feature of ...

journal_title：Human genetics

authors： Clementi M,Tenconi R,Forabosco P,Calzolari E,Milan M

更新日期：1997-08-01 00:00:00

abstract：:The possible influence of the fragile X mutation at Xq27 on the expression of the neighbouring gene (at Xq26) for hypoxanthine phosphoribosyl transferase (HPRT) was studied by determination of the levels of HPRT-RNA and HPRT enzyme activity in fibroblast cell cultures from 7 fragile X patients. These levels were lower...

journal_title：Human genetics

authors： Steen AM,Marcus S,Sahlén S,Nielsen KB,Lambert B

更新日期：1991-08-01 00:00:00

abstract：:Postnatal growth records of 13 patients with Wolf-Hirschhorn syndrome indicate that the syndrome is associated with continuing severe growth retardation and marked microcephaly. In spite of severe retardation, these patients (with one exception) survived beyond infancy. ...

journal_title：Human genetics

authors： Fujimoto A,Wilson MG

更新日期：1990-02-01 00:00:00

abstract：:Chorionic villi were obtained by an aspiration technique which proved to be the best of four alternative procedures. We report in detail the series of experiments which led to (1) successful, rapidly growing cell cultures practically free of maternal cell contamination (the use of hormone-supplemented Chang medium gre...

journal_title：Human genetics

authors： Simoni G,Brambati B,Danesino C,Rossella F,Terzoli GL,Ferrari M,Fraccaro M

更新日期：1983-01-01 00:00:00

abstract：:Genetic variants in MTHFD1 (5,10-methylenetetrahydrofolate dehydrogenase/5,10-methenyltetrahydrofolate cyclohydrolase/ 10-formyltetrahydrofolate synthetase), an important folate metabolic enzyme, are associated with a number of common diseases, including neural tube defects (NTDs). This study investigates the promoter...

journal_title：Human genetics

authors： Carroll N,Pangilinan F,Molloy AM,Troendle J,Mills JL,Kirke PN,Brody LC,Scott JM,Parle-McDermott A

更新日期：2009-04-01 00:00:00

abstract：:The gene causing adenomatous polyposis coli (APC) has recently been cloned. Three intragenic polymorphisms were reported to be detectable by single-strand conformation polymorphism analysis. Here, we describe an assay using polymerase-chain-reaction-based amplification and subsequent enzymatic digestion of genomic seq...

journal_title：Human genetics

authors： Kraus C,Ballhausen WG

更新日期：1992-03-01 00:00:00

abstract：:Lactase gene expression declines with aging (lactase non-persistence) in the majority of humans worldwide. Lactase persistence is a heritable autosomal dominant condition and has been strongly correlated with several single nucleotide polymorphisms (SNPs) located ~14-kb upstream (-13907, -13910 and -13915) of the lact...

journal_title：Human genetics

authors： Olds LC,Ahn JK,Sibley E

更新日期：2011-01-01 00:00:00

abstract：:Three cases of partial trisomy for the distal segment of chromosome 13 are reported. Common clinical features included normal birth weight, postnatal asphyxia, convulsions, severe psychomotor retardation, normal growth, and a distinct pattern of dysmorphias consisting of trigonocephalic head with prominent metopic sut...

journal_title：Human genetics

authors： Schinzel A,Hayashi K,Schmid W

更新日期：1976-04-15 00:00:00

abstract：:Some missense changes are compatible with normal protein function while others compromise essential aspects of protein maturation, specific activity, or stability. For those missense changes that alter function in the intact organism, how likely is it for the mutated protein to retain appreciable residual activity? By...

journal_title：Human genetics

authors： Sommer SS,Bowie EJ,Ketterling RP,Bottema CD

更新日期：1992-05-01 00:00:00

abstract：:Disomy and diploidy frequencies for autosomes 1-22 and the gonosomes were assessed in 299,442 sperm nuclei from four normal fertile men by chromosome painting. This novel approach allowed us to perform a specific and sensitive detection of each chromosome. A minimum of 5000 sperm nuclei per subject were evaluated for ...

journal_title：Human genetics

authors： Rives N,Mazurier S,Bellet D,Joly G,Macé B

更新日期：1998-06-01 00:00:00

abstract：:Three Japanese glucose 6-phosphate dehydrogenase (G6PD) variants were investigated. G6PD 'Mediterranean-like' had markedly decreased activity, normal electrophoretic mobility, low Km G6P, low Km NADP, increased utilization of all three substrate analogues (2-deoxy-G6P, Gal-6P, and deamino-NADP) and slightly decreased ...

journal_title：Human genetics

authors： Miwa SH,Nakashima K,Ono J,Fujii H,Suzuki E

更新日期：1977-05-10 00:00:00

abstract：:The sex of a conceptus at the early embryonic state was diagnosed in 1000 induced abortions. Specimens were obtained from women who terminated their pregnancies within 12 menstrual weeks on socio-economic indications. By making use of the triple checking procedures, such as the karyotypic analysis of Giemsa-stained sl...

journal_title：Human genetics

authors： Yamamoto M,Ito T,Watanabe GI

更新日期：1977-05-10 00:00:00

abstract：:HLA markers (A, B, C, DR loci) were determined for the members of 52 unrelated families with at least one child suffering from congenital adrenal hyperplasia due to 21 hydroxylase deficiency, permitting genotyping. The gene frequencies of the 52 index cases were compared with those obtained from the patients' normal h...

journal_title：Human genetics

authors： Couillin P,Kottler-Missonnier ML,Grisard MC,Hors J,Feingold J,Boué J,Boué A

更新日期：1980-01-01 00:00:00

abstract：:As new genes for A/M are identified in the genomic era, the number of syndromes associated with A/M has greatly expanded. In this review, we provide a brief synopsis of the clinical presentation and molecular genetic etiology of previously characterized pathways involved in A/M, including the Sex-determining region Y-...

journal_title：Human genetics

authors： Slavotinek A

更新日期：2019-09-01 00:00:00

abstract：:HPRT Ann Arbor is a variant of hypoxanthine (guanine) phosphoribosyl-transferase (HPRT: EC 2.4.2.8), which was identified in wo brothers with hyperuricemia and nephrolithiasis. In previous studies, this mutant enzyme was characterized by an increased Km for both substrates, a normal Vmax, a decreased intracellular con...

journal_title：Human genetics

authors： Fujimori S,Hidaka Y,Davidson BL,Palella TD,Kelley WN

更新日期：1988-05-01 00:00:00

abstract：:During a survey of the mutations of the low density lipoprotein receptor (LDL-R) gene in Italian patients with familial hypercholesterolemia (FH), we identified a novel point mutation, that creates a new EcoRI site at the 5' end of exon 7, in a heterozygous FH subject (FH-100). The sequence of a cDNA fragment encompas...

journal_title：Human genetics

authors： Lelli N,Garuti R,Pedrazzi P,Ghisellini M,Simone ML,Tiozzo R,Cattin L,Valenti M,Rolleri M,Bertolini S

更新日期：1994-05-01 00:00:00