Abstract：
:Hereditary fructose intolerance (HFI) is an inborn error of metabolism, inherited as an autosomal recessive disorder and caused by a decrease in the activity of fructose-1-phosphate aldolase (aldolase B) in affected individuals. Investigation of the molecular basis of HFI is reported here by the identification of two molecular lesions in the aldolase B gene of the HFI individual. Using polymerase chain reaction to specifically amplify exons at this locus and T7 polymerase for the sequence determination of these double-stranded fragments, we show the mutational heterogeneity of the proband. One allele, previously indicated by restriction analysis, was confirmed as A149P (Ala 149 to Pro in exon 5). The other allele was identified as a 4-bp deletion found in exon 4, a deletion which causes a frameshift at codon 118, resulting in a truncated protein of 132 amino acids. Segregation of these mutant alleles in the proband's family was shown by using allele-specific oligodeoxynucleotides to probe blots of amplified DNA. The techniques employed here represent a rapid and efficient method for detection of other mutations in families with this disease. In addition, the ability to detect mutant alleles by allele-specific hybridization offers a new method for definitive diagnosis, a method which avoids a fructose loading or liver-biopsy examination.
journal_name
Am J Hum Genetjournal_title
American journal of human geneticsauthors
Dazzo C,Tolan DRsubject
Has Abstractpub_date
1990-06-01 00:00:00pages
1194-9issue
6eissn
0002-9297issn
1537-6605journal_volume
46pub_type
杂志文章abstract：:We present methods for linkage and association mapping of quantitative traits for a founder population with a large, known genealogy. We detect linkage to quantitative-trait loci (QTLs) through a multipoint homozygosity-mapping method. We propose two association methods, one of which is single point and uses a general...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1086/339705
更新日期：2002-04-01 00:00:00
abstract：:The Million Veteran Program (MVP), initiated by the Department of Veterans Affairs (VA), aims to collect biosamples with consent from at least one million veterans. Presently, blood samples have been collected from over 800,000 enrolled participants. The size and diversity of the MVP cohort, as well as the availabilit...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1016/j.ajhg.2020.03.004
更新日期：2020-04-02 00:00:00
abstract：:In the present work, we demonstrate the possibility of using human blood platelets as mitochondrial donors for the repopulation of mtDNA-less (rho 0) cells. The noninvasive nature of platelet isolation, combined with the prolonged viability of platelet mitochondria and the simplicity and efficiency of the mitochondria...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：
更新日期：1994-06-01 00:00:00
abstract：:A recombinant DNA library enriched for portions of human chromosome 13 has been constructed from a hamster-human somatic cell hybrid that contained human chromosomes 13, 12, and 6p. A total of 733 phages were identified that contain human DNA inserts, and 46 single-copy subfragments have been derived and used as probe...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：
更新日期：1984-01-01 00:00:00
abstract：:We describe a family with a novel disorder characterized by episodic muscle weakness and X-linked inheritance. Eight males in three generations demonstrate the characteristic features of the disorder. Episodes of severe muscle weakness are typically precipitated by febrile illness and affect the facial and extraocular...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1086/302588
更新日期：1999-10-01 00:00:00
abstract：:DNA replication precisely duplicates the genome to ensure stable inheritance of genetic information. Impaired licensing of origins of replication during the G1 phase of the cell cycle has been implicated in Meier-Gorlin syndrome (MGS), a disorder defined by the triad of short stature, microtia, and a/hypoplastic patel...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1016/j.ajhg.2016.05.019
更新日期：2016-07-07 00:00:00
abstract：:Urinary voiding dysfunction in childhood, manifesting as incontinence, dysuria, and urinary frequency, is a common condition. Urofacial syndrome (UFS) is a rare autosomal recessive disease characterized by facial grimacing when attempting to smile and failure of the urinary bladder to void completely despite a lack of...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1016/j.ajhg.2010.05.006
更新日期：2010-06-11 00:00:00
abstract：:Acid sphingomyelinase (ASM) is the lipid hydrolase that is deficient in types A and B Niemann-Pick disease (NPD). Here, we demonstrate that the gene encoding ASM (SMPD1) is paternally imprinted and that differential expression of the mutant alleles in patients with ASM-deficient NPD and in carriers influences the dise...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1086/503750
更新日期：2006-05-01 00:00:00
abstract：:Mitochondrial DNA (mtDNA) polymorphisms were detected using 13 restriction enzymes on the total DNA obtained from blood samples of five Asian populations: Japanese and Ainu of northern Japan, Korean, Negrito (Aeta) of the Philippines, and Vedda of Sri Lanka. Of a total of 28 restriction-enzyme morphs detected, eight h...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：
更新日期：1988-08-01 00:00:00
abstract：:EXTL3 regulates the biosynthesis of heparan sulfate (HS), important for both skeletal development and hematopoiesis, through the formation of HS proteoglycans (HSPGs). By whole-exome sequencing, we identified homozygous missense mutations c.1382C>T, c.1537C>T, c.1970A>G, and c.2008T>G in EXTL3 in nine affected individ...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1016/j.ajhg.2017.01.013
更新日期：2017-02-02 00:00:00
abstract：:The transmission/disequilibrium test (TDT) originally was introduced to test for linkage between a genetic marker and a disease-susceptibility locus, in the presence of association. Recently, the TDT has been used to test for association in the presence of linkage. The motivation for this is that linkage analysis typi...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1086/514860
更新日期：1997-08-01 00:00:00
abstract：:Dowling-Degos disease (DDD), or reticular pigmented anomaly of the flexures, is a type of rare autosomal-dominant genodermatosis characterized by reticular hyperpigmentation and hypopigmentation of the flexures, such as the neck, axilla, and areas below the breasts and groin, and shows considerable heterogeneity. Loss...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1016/j.ajhg.2013.04.022
更新日期：2013-06-06 00:00:00
abstract：:The genetic linkage of the loci for lymphocyte cytosol polypeptide with molecular weight of 64,000 (LCP1) and esterase (ESD) were examined by two-dimensional gel electrophoresis using blood from four informative families. No recombinants were observed in the four families totaling 17 children, giving a summed lod scor...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：
更新日期：1985-11-01 00:00:00
abstract：:Limb-girdle muscular dystrophies (LGMDs) are a group of neuromuscular diseases presenting great clinical heterogeneity. Mutations in CANP3, the gene encoding muscle-specific calpain, were used to identify this gene as the genetic site responsible for autosomal recessive LGMD type 2A (LGMD2A; MIM 253600). Analyses of t...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：
更新日期：1997-05-01 00:00:00
abstract：:Predictive genomic profiling used to produce personalized nutrition and other lifestyle health recommendations is currently offered directly to consumers. By examining previous meta-analyses and HuGE reviews, we assessed the scientific evidence supporting the purported gene-disease associations for genes included in g...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1016/j.ajhg.2007.12.020
更新日期：2008-03-01 00:00:00
abstract：:The association between normal alleles at the CTG repeat and two nearby polymorphisms in the myotonin protein kinase gene, the Alu insertion/deletion polymorphism and the myotonic dystrophy kinase (DMK)(G/T) intron 9/HinfI polymorphism, has been analyzed in South African Negroids, a population in which myotonic dystro...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：
更新日期：1995-06-01 00:00:00
abstract：:Linkage is a phenomenon that correlates the genotypes of loci, rather than the phenotypes of one locus to the genotypes of another. It is therefore necessary to convert the observed trait phenotypes into trait-locus genotypes, which can then be analyzed for coinheritance with marker-locus genotypes. However, if the mo...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1086/302797
更新日期：2000-03-01 00:00:00
abstract：:Recently, Schork et al. found that two-trait-locus, two-marker-locus (parametric) linkage analysis can provide substantially more linkage information than can standard one-trait-locus, one-marker-locus methods. However, because of the increased burden of computation, Schork et al. do not expect that their approach wil...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：
更新日期：1994-11-01 00:00:00
abstract：:Linkage disequilibrium was observed between newly identified DNA polymorphisms and a previously described protein polymorphism for plasminogen. This finding implies that the two types of polymorphisms describe variation at the same locus. The plasminogen gene was mapped to chromosomal bands 6q26-q27 using somatic-cell...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：
更新日期：1987-04-01 00:00:00
abstract：:Somatic cell hybrids were selected that retain a derivative chromosome 5 from an individual in which the p15.1-pter segment of chromosome 5 is replaced with the p15.1-pter segment of chromosome 4. Hybrids that retain this derivative chromosome exclusively were found to be positive for G8, a DNA marker closely linked t...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：
更新日期：1986-09-01 00:00:00
abstract：:We have identified missense mutations at conserved amino acids in the PRPS1 gene on Xq22.3 in two families with a syndromic form of inherited peripheral neuropathy, one of Asian and one of European descent. The disease is inherited in an X-linked recessive manner, and the affected male patients invariably develop sens...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1086/519529
更新日期：2007-09-01 00:00:00
abstract：:Attention-deficit/hyperactivity disorder (ADHD [MIM 143465]) is a common, highly heritable neurobehavioral disorder of childhood onset, characterized by hyperactivity, impulsivity, and/or inattention. As part of an ongoing study of the genetic etiology of ADHD, we have performed a genomewide linkage scan in 204 nuclea...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1086/375139
更新日期：2003-05-01 00:00:00
abstract：:Molecular geneticists are developing the third-generation human genome map with single-nucleotide polymorphisms (SNPs), which can be assayed via chip-based microarrays. One use of these SNP markers is the ability to locate loci that may be responsible for complex traits, via linkage/linkage-disequilibrium analysis. In...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1086/301909
更新日期：1998-07-01 00:00:00
abstract：:Band 3, the major transmembrane protein of erythrocytes, mediates the exchange of anions across the membrane and anchors the erythroid membrane skeleton. Proteins immunologically related to Band 3 have been detected in a variety of nonerythroid cells. We have isolated a human cDNA clone that encodes a protein related ...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：
更新日期：1986-09-01 00:00:00
abstract：:Gilles de la Tourette syndrome (GTS) is characterized by multiple motor and phonic tics and high comorbidity rates with other neurobehavioral disorders. It is hypothesized that frontal-subcortical pathways and a complex genetic background are involved in the etiopathogenesis of the disorder. The genetic basis of GTS r...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1086/424389
更新日期：2004-10-01 00:00:00
abstract：:Osteogenesis imperfecta (OI) is a heritable disorder that ranges in severity from death in the perinatal period to an increased lifetime risk of fracture. Mutations in COL1A1 and COL1A2, which encode the chains of type I procollagen, result in dominant forms of OI, and mutations in several other genes result in recess...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1016/j.ajhg.2013.02.009
更新日期：2013-04-04 00:00:00
abstract：:Paget disease of bone (PDB) is a skeletal disorder characterized by focal abnormalities of bone remodeling, which result in enlarged and deformed bones in one or more regions of the skeleton. In some cases, the pagetic tissue undergoes neoplastic transformation, resulting in osteosarcoma and, less frequently, in giant...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1016/j.ajhg.2015.12.016
更新日期：2016-02-04 00:00:00
abstract：:Obesity is an increasingly serious health problem in the world. Body mass index (BMI), percentage fat mass, and body fat mass are important indices of obesity. For a sample of pedigrees that contains >10,000 relative pairs (including 1,249 sib pairs) that are useful for linkage analyses, we performed a whole-genome li...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1086/339934
更新日期：2002-05-01 00:00:00
abstract：:It is generally accepted that the blood group subtypes A1 and A2 expressions are controlled by two different blood group N-acetylgalactosaminyl-transferases, that is, A1-enzyme and A2-enzyme, respectively, and that the two types of enzymes are governed by the allelic A1 and A2 genes. The observed frequencies of blood ...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：
更新日期：1983-11-01 00:00:00
abstract：:Pseudoachondroplasia (PSACH) and multiple epiphyseal dysplasia (MED) are autosomal dominant osteochondrodysplasias that result in mild to severe short-limb dwarfism and early-onset osteoarthrosis. PSACH and some forms of MED result from mutations in the gene for cartilage oligomeric matrix protein (COMP; OMIM 600310 [...
journal_title：American journal of human genetics
pub_type： 杂志文章
doi：10.1086/301713
更新日期：1998-02-01 00:00:00
