Genotype-phenotype correlation and the size of microdeletion or microduplication of 7q11.23 region in patients with Williams-Beuren syndrome.

abstract：:Details of placentation and zygosity are reported from a survey of 627 consecutive twin births at three hospitals in Northern Nigeria. Zygosity was determined by study of sex, red cell antigens (ABO, MNSs and Rh) and placental enzymes (PGM1, PGM2, PGM3 and Pep A). The proportion of DZ twins amongst the various ethnic ...

journal_title：Annals of human genetics

authors： Nylander PP,Corney G

更新日期：1977-01-01 00:00:00

abstract：:Non-random inheritance of the two parental haplotypes among siblings affected by certain diseases has long been used to provide evidence of the presence of disease susceptibility genes. The distribution of a powerful test, called Q, based on haplotype concordance and discordance, is derived under the null hypothesis o...

journal_title：Annals of human genetics

authors： Shah S,Green JR

更新日期：1994-05-01 00:00:00

abstract：:The aims of this study were to investigate the contributions of the mitochondrial DNA m.4216T > C and m.4917A > G variants, and also of the European-specific mitochondrial cluster J/T, to the development of type 2 diabetes mellitus in Caucasian-Brazilian patients from Southern Brazil. We analyzed 347 type 2 diabetes p...

journal_title：Annals of human genetics

authors： Crispim D,Canani LH,Gross JL,Tschiedel B,Souto KE,Roisenberg I

更新日期：2006-07-01 00:00:00

abstract：:Seven phage clones containing human sequences were picked at random from a human genomic library cloned in Charon 4A. The clones are devoid of repetitive sequences and can be used to recognize restriction fragment length polymorphisms (Feder et al. 1985). The chromosomal locations of the sequences defined by the seven...

journal_title：Annals of human genetics

authors： Spurr NK,Feder J,Bodmer WF,Goodfellow PN,Solomon E,Cavalli-Sforza LL

更新日期：1986-05-01 00:00:00

abstract：:A substantial proportion of patients with pulmonary arterial hypertension (PAH) have mutations in the Bone Morphogenetic Protein Receptor type-2 (BMPR2) gene. PAH due to BMPR2 mutations is inherited as an autosomal dominant trait with several unique features, including a wide variety of mutations, reduced penetrance, ...

journal_title：Annals of human genetics

authors： Momose Y,Aimi Y,Hirayama T,Kataoka M,Ono M,Yoshino H,Satoh T,Gamou S

更新日期：2015-03-01 00:00:00

abstract：:For many complex diseases, study has suggested that the disease genes influence not only the occurrence of the disease, but also the age of onset. Current methods in linkage analysis are mainly concentrated on affected relative pairs or affected family members, and age of onset information is either ignored or is take...

journal_title：Annals of human genetics

authors： Li H,Huang J

更新日期：1998-07-01 00:00:00

abstract：:The large literature on family-based tests of association and/or linkage is reviewed, concentrating on the underlying principles and on recent methodological developments. We explain the distinction between testing for association and testing for linkage, and give our views on the circumstances in which each is the ap...

journal_title：Annals of human genetics

authors： Whittaker JC,Morris AP

更新日期：2001-09-01 00:00:00

abstract：:The human population is heterogeneous in genetic susceptibility, chromosomal instability and disease risk; all factors which depend on inherited genetic constitution and acquired nongenetic environmental and occupational factors. Recently, special attention has been directed to the identification of sources of potenti...

journal_title：Annals of human genetics

authors： Hoyos-Giraldo LS,Escobar-Hoyos LF,Reyes-Carvajal I,García JJ,Córdoba L,Gómez AS,García-Vallejo F,Cajas-Salazar N,Carvajal S,Bedoya G

更新日期：2013-07-01 00:00:00

abstract：:Dyslexia is a complex gene-environment disorder with poorly understood etiology that affects about 5% of school-age children. Dyslexia occurs in all languages and is associated with a high level of social and psychological morbidity for the individual and their family; approximately 40-50% have persistent disability i...

journal_title：Annals of human genetics

authors： Schulte-Körne G,Ziegler A,Deimel W,Schumacher J,Plume E,Bachmann C,Kleensang A,Propping P,Nöthen MM,Warnke A,Remschmidt H,König IR

更新日期：2007-03-01 00:00:00

abstract：:Risch and Zhang recently proposed to use extreme discordant sib pairs for mapping quantitative trait loci. Here, it is shown that the set of genetically possible distributions of the number of marker alleles in such sib-pairs is described by two inequalities. Thus, a likelihood ratio test analogous to Holmans's possib...

journal_title：Annals of human genetics

authors： Knapp M

更新日期：1998-01-01 00:00:00

abstract：:A crucial step beyond the identification of genetic linkage of a disease to a chromosomal region is the production of a physical map that will allow the identification of candidate genes. Although the process of physical map building has been facilitated by the flow of data released by the Human Genome Project, gather...

journal_title：Annals of human genetics

authors： Le Hellard S,Semple CA,Morris SW,Porteous DJ,Evans KL

更新日期：2001-05-01 00:00:00

abstract：:We analysed microsatellite genotypes sampled from the Pakistani and Indian communities in Nottingham, UK, to investigate the genetic consequences of substructuring mediated by traditional marriage customs. The application of a recently developed likelihood approach identified significant levels of population substruct...

journal_title：Annals of human genetics

authors： Overall AD,Ahmad M,Thomas MG,Nichols RA

更新日期：2003-11-01 00:00:00

abstract：:The lysosomal storage disorder glycogenosis type II, caused by a deficiency of lysosomal alpha-glucosidase, is very heterogeneous in its clinical presentation. It has been suggested that this heterogeneity may be due to differential expression of neutral alpha-glucosidases. We have therefore analysed the activity of t...

journal_title：Annals of human genetics

authors： Van der Ploeg AT,Kroos MA,Swallow DM,Reuser AJ

更新日期：1989-05-01 00:00:00

abstract：:Central congenital hypoventilation syndrome (CCHS) is an autonomous control disease producing hypoventilation, high PaCO(2), and low PaO(2) during quiet sleep. The main gene variants detected in CCHS are mutations in the PHOX2b gene in up to 97% of isolated cases. However, CCHS is sometimes associated with autonomic d...

journal_title：Annals of human genetics

authors： Serra A,Görgens H,Alhadad K,Fitze G,Schackert HK

更新日期：2010-07-01 00:00:00

abstract：:Specific language impairment (SLI) is defined as an inability to develop appropriate language skills without explanatory medical conditions, low intelligence or lack of opportunity. Previously, a genome scan of 98 families affected by SLI was completed by the SLI Consortium, resulting in the identification of two quan...

journal_title：Annals of human genetics

authors： Monaco AP

更新日期：2007-09-01 00:00:00

abstract：:The mitochondrial DNA variation of 295 Berber-speakers from Morocco (Asni, Bouhria and Figuig) and the Egyptian oasis of Siwa was evaluated by sequencing a portion of the control region (including HVS-I and part of HVS-II) and surveying haplogroup-specific coding region markers. Our findings show that the Berber mitoc...

journal_title：Annals of human genetics

authors： Coudray C,Olivieri A,Achilli A,Pala M,Melhaoui M,Cherkaoui M,El-Chennawi F,Kossmann M,Torroni A,Dugoujon JM

更新日期：2009-03-01 00:00:00

abstract：:Sibship methods have been shown to be more powerful than traditional sib-pair methods in mapping quantative trait loci. We propose a statistical procedure which integrates data on sibships into a so-called 'contrast function', a natural extension of the classical squared sib-pair trait difference proposed by Haseman &...

journal_title：Annals of human genetics

authors： Ghosh S,Reich T

更新日期：2002-03-01 00:00:00

abstract：:As knowledge of the human genome continues to grow, more progress is being made towards not only identifying the genes involved in disease susceptibility but also in defining the synergistic role genes play with environmental exposures. The detection of gene-environment interactions is important as it can offer clinic...

journal_title：Annals of human genetics

authors： Lake SL,Laird NM

更新日期：2004-01-01 00:00:00

abstract：:The current challenge in biomedical research is to detect genetic risk factors involved in common complex diseases. The power to detect their role is generally poor in populations that have been large for a long time. It has been suggested that the power may be increased by taking advantage of the specificity of found...

journal_title：Annals of human genetics

authors： Bourgain C,Genin E,Quesneville H,Clerget-Darpoux F

更新日期：2000-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Individuals with slow N-acetylation phenotype often experience toxicity from drugs such as isoniazid, sulfonamides, procainamide, and hydralazine, whereas rapid acetylators may not respond to these medications. The highly polymorphic N-acetyltransferase 2 enzyme encoded by the NAT2 gene is one of...

journal_title：Annals of human genetics

authors： Al-Ahmad MM,Amir N,Dhanasekaran S,John A,Abdulrazzaq YM,Ali BR,Bastaki S

更新日期：2017-09-01 00:00:00

abstract：:Although autism is one of the most heritable neuropsychiatric disorders, its underlying genetic architecture has largely eluded description. To comprehensively examine the hypothesis that common variation is important in autism, we performed a genome-wide association study (GWAS) using a discovery dataset of 438 autis...

journal_title：Annals of human genetics

authors： Ma D,Salyakina D,Jaworski JM,Konidari I,Whitehead PL,Andersen AN,Hoffman JD,Slifer SH,Hedges DJ,Cukier HN,Griswold AJ,McCauley JL,Beecham GW,Wright HH,Abramson RK,Martin ER,Hussman JP,Gilbert JR,Cuccaro ML,Haines JL

更新日期：2009-05-01 00:00:00

abstract：:Two clones, pCN1 and pCN2, which together form full-length cDNA for N-ras, were used to search for restriction fragment length polymorphisms. pCN2, which entirely consists of 3' non-translated sequences, revealed more bands on DNA transfer hybridizations than could be accounted for using the known restriction map of N...

journal_title：Annals of human genetics

authors： Middleton-Price H,Spurr N,Hall A,Malcolm S

更新日期：1988-07-01 00:00:00

abstract：:In a Muslim Arab village, relatively isolated because of the preference of consanguineous marriages, we studied the fate of 12 mutations in 5 different genes. The study was based on carriers detected among relatives of affected patients and of carriers discovered in a random sample of 424 adults. Most of the mutations...

journal_title：Annals of human genetics

authors： Zlotogora J,Hujerat Y,Barges S,Shalev SA,Chakravarti A

更新日期：2007-03-01 00:00:00

abstract：:The use of IBD proportions from a large set of affected sib-pair data to estimate some or all of the main parameters describing the inheritance of a disease susceptibility gene is here considered. We assume there is no recombination present and neglect ascertainment bias, and assume that there are four distinct parent...

journal_title：Annals of human genetics

authors： Green JR,Shah S

更新日期：1996-03-01 00:00:00

abstract：:A theory is given for complex phenotypes represented by an ordered polychotomy separately for affected (as severity) and for normals (as diathesis), with consideration of history, ascertainment, sampling frames, and phenotype systems. Nonrandom selection of probands by severity is permitted. Both probit and logistic m...

journal_title：Annals of human genetics

authors： Morton NE,Shields DC,Collins A

更新日期：1991-10-01 00:00:00

abstract：:Retinoid X Receptor beta (RXRB) is a member of the retinoid X receptor (RXR) family of nuclear receptors which are involved in mediating the effects of retinoic acid (RA). We have confirmed the localization of RXRB to chromosome 6 and we have mapped the gene to chromosome 6p21.3-p21.1 by PCR amplification of 5' untran...

journal_title：Annals of human genetics

authors： Fitzgibbon J,Gillett GT,Woodward KJ,Boyle JM,Wolfe J,Povey S

更新日期：1993-07-01 00:00:00

abstract：:Hybrid clones (MOGs) were made between the mouse line RAG and a primary fibroblast line from an individual of the rare alphaGLU 2 phenotype. Fifteen independent primary clones and 32 subclones were tested for the presence of human alphaGLU after separation of the human and rodent enzymes by starch gel electrophoresis....

journal_title：Annals of human genetics

authors： Solomon E,Swallow D,Burgess S,Evans L

更新日期：1979-01-01 00:00:00

abstract：:Allelic transmission rates from parents to cases are frequently stratified by an environmental risk factor E and compared, with heterogeneity interpreted as gene-environment interaction or GxE. Though generally invalid, such analyses continue to appear. We revisit why heterogeneity is not equivalent to GxE in a range ...

journal_title：Annals of human genetics

authors： Shin JH,McNeney B,Graham J

更新日期：2010-09-01 00:00:00

abstract：:The goal of the present study was to investigate inter-individual and age-dependent variation of global DNA methylation in human tissues. In this work, we examined 5-methyldeoxycytidine ((met)C) content by HPLC in human peripheral blood leukocytes obtained from 76 healthy individuals of ages varying from 4 to 94 years...

journal_title：Annals of human genetics

authors： Fuke C,Shimabukuro M,Petronis A,Sugimoto J,Oda T,Miura K,Miyazaki T,Ogura C,Okazaki Y,Jinno Y

更新日期：2004-05-01 00:00:00

abstract：:In order to study the matrilineal genetic composition in Cabo Verde (Republic of Cape Verde), an archipelago that used to serve as a Portuguese entrepôt of the Atlantic slave trade, we have analysed a total of 292 mtDNAs sampled from the seven inhabited islands for the hypervariable segment I (HVS-I) and some characte...

journal_title：Annals of human genetics

authors： Brehm A,Pereira L,Bandelt HJ,Prata MJ,Amorim A

更新日期：2002-01-01 00:00:00