Research Article

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06/24/2013
Mexican children; Mutation; Nephrotic syndrome; Podocin

Human nephrotic syndrome has been related to mutations in glomerular proteins. Mutations in the NPHS2 gene that encodes podocin have been described as responsible for steroid-resistant nephrotic syndrome. It has been advised to test for NPHS2 mutations in parallel or before giving steroid treatment in nephrotic syndrome patients in order to avoid unnecessary therapy. We ... more

J.S. Carrasco-Miranda; R. Garcia-Alvarez; R.R. Sotelo-Mundo; O. Valenzuela; M.A. Islas-Osuna; N. Sotelo-Cruz
05/21/2013
Ancient DNA; Mutation; Pan troglodytes; Pongo pygmaeus; β-globin gene; β-thalassemia

DNA was recovered from teeth of 2 great ape skeletons, Pan troglodytes (Ptr) and Pongo pygmaeus (Ppy), belonging to a 19th-century zoological collection. The skeletons presented morphological alterations possibly associated with β-thalassemia: Ptr had deformation of the calvaria and oro-maxillo-facial bones with porotic hyperostosis and extended osteoporotic lesions of ... more

J. Vuch; M.S. Siori; M.P. Bigatti; L. Segat; G. De Fabrizio; S. Crovella
04/12/2013
Mutation; TSC1 gene; TSC2 gene; Tuberous sclerosis complex

Tuberous sclerosis complex (TSC) is an autosomal dominant neurogenetic disorder characterized by hamartomas in multiple organs and is caused by a wide spectrum of mutations in 1 of 2 causative genes (TSC1 or TSC2). Here, we present mutational analyses of the TSC1 and TSC2 genes in 4 cases of TSC in Chinese Han children, including 2 familial and 2 ... more

G.X. Wang; D.W. Wang; C.Y. Yi; J.S. Qu; Y.L. Wang
04/02/2013
FMDV; Mismatch; Mutation; Nucleotide

As there is a lack of error correction mechanisms during RNA replication, foot-and-mouth disease virus (FMDV) has a very high mismatch rate, which leads to a high mutation rate, in the range of 10-3 to 10-5 per nucleotide site per genome replication. We examined the nucleotide mismatch of FMDV during replication, based on the whole genomes of the 7 serotypes ... more

Y.B. Ma; C.X. Hao; H.Y. Chang
12/17/2012
ABCA4; Mutation; Stargardt disease

Stargardt disease was diagnosed in 12 patients from 12 families using complete ophthalmologic examination, fundus photography, fundus autofluorescence, and spectral-domain optical coherence tomography. DNA was extracted for polymerase chain reaction (PCR) and direct DNA sequencing (ABCA4 gene). Genetic counseling and eye examination were offered to 16 additional family members. ... more

M. Oldani; S. Marchi; A. Giani; S. Cecchin; E. Rigoni; A. Persi; D. Podavini; A. Guerrini; A. Nervegna; G. Staurenghi; M. Bertelli
11/14/2012
Autosomal recessive; ECM1 gene; Lipoid proteinosis; Mutation; PCR; Sequencing

Lipoid proteinosis (LP) is a rare autosomal recessive disorder. Classical clinical features include warty skin infiltration, papules on the eyelids, skin scarring, as well as extracutaneous abnormalities such as hoarseness of the voice, epilepsy, and neuropsychiatric abnormalities. A defect in the ECM1 gene is responsible for this disease. A 21-year-old female patient from consanguineous ... more

F. Izadi; F. Mahjoubi; M. Farhadi; M.M. Tavakoli; S. Samanian
08/13/2012
Congenital insensitivity to pain with anhidrosis; Mutation; NTRK1; Tyrosine kinase domain

Congenital insensitivity to pain with anhidrosis (CIPA; MIM 256800) is a rare autosomal recessive disorder characterized by absence of reaction to noxious stimuli, recurrent episodes of fever, anhidrosis, and mental retardation. It is caused by mutations in the gene coding for neurotrophic tyrosine kinase receptor type 1 (NTRK1; MIM# 191315). We screened two Chinese CIPA cases ... more

M. Li; J.Y. Liang; Z.H. Sun; H. Zhang; Z.R. Yao
08/06/2012
Aplastic anemia; maternal inheritance; Mitochondrial DNA; Mutation

This study was primarily undertaken to test the hypothesis that mitochondrial DNA (mtDNA) mutations may be associated with aplastic anemia (AA). We analyzed mtDNA sequences from 15 patients with AA. The samples were obtained from bone marrow, and patients’ oral epithelial cells were collected for normal tissue comparison. Total DNA was amplified by PCR after extraction, and these segments ... more

X. Cui; F. Liu; J.Q. Wang; W.J. Zhang; J.Y. Wang; K. Liu; S.Y. Cui; J. Zhang; R.R. Xu
05/07/2012
DNA sequencing; Familial Mediterranean fever; Genetics; MEFV gene; Mutation

Familial Mediterranean fever is a recessive autoinflammatory disease that is frequent in Armenians, Jews, Arabs, and Turks. The MEFV gene is responsible for this disease. We looked for MEFV gene variations (polymorphism and mutations) in a population that resides in Central Anatolia, Turkey. DNA was extracted from peripheral blood leukocytes of 802 familial Mediterranean ... more

G.G. Ceylan; C. Ceylan; E. Ozturk
05/18/2012
Charcot-Marie-Tooth; Gender; Mitofusin 2; Mutation

Charcot-Marie-Tooth (CMT) is a group of clinically and genetically heterogeneous inherited neuromuscular disorders. At present, more than 30 loci have been reported to be associated with CMT disease; point mutations in the mitofusin 2 (MFN2) gene is one of the most common causes. We studied a Chinese family with CMT disease in which the phenotype of affected individuals varied, and the ... more

Y.W. Wang; W.T. Han; M. Jiang; C.X. Lu; X.F. Li; X. Zhang; J.X. Li

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