PubMed Journals Articles About "Attenuated Type Asphyxiating Thoracic Dysplasia Mutations DYNC2H1 Gene" RSS

18:18 EST 20th February 2020 | BioPortfolio

Attenuated Type Asphyxiating Thoracic Dysplasia Mutations DYNC2H1 Gene PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Attenuated Type Asphyxiating Thoracic Dysplasia Mutations DYNC2H1 Gene articles that have been published worldwide.

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Showing "Attenuated Type Asphyxiating Thoracic Dysplasia Mutations DYNC2H1 Gene" PubMed Articles 1–25 of 27,000+

Attenuated Type of Asphyxiating Thoracic Dysplasia due to Mutations in DYNC2H1 Gene.

Asphyxiating thoracic dysplasia (ATD) represents a heterogeneous group of skeletal dysplasias with short ribs, narrow chest and reduced thoracic capacity. Mutations in several genes including IFT80, DYNC2H1, TTC21B and WDR19 have been found in patients with ATD. Both severe and milder course of the disease were described in correlation with secondary involvement of lung's function. Two children with attenuated form of ATD are described. Their anthropometric parameters for birth weight, length and head circu...

Generation of an induced pluripotent stem cell line (SDQLCHi003-a) from a patient with short rib-thoracic dysplasia syndrome type III carrying compound heterozygous mutations in DYNC2H1.

An induced pluripotent stem cell (iPSC) line was generated from peripheral blood mononuclear cells from a 27-month-old boy with short rib-thoracic dysplasia syndrome type III carrying compound heterozygous mutations (c.940T>C(p.W314R) and c.10163C>T(p.P3388L)) in DYNC2H1. The iPSCs have a normal karyotype, and express pluripotency markers and bear differentiation potential in vitro.

A new case of KIAA0753-related variant of Jeune asphyxiating thoracic dystrophy.

A narrow thorax with shortening of long bones is usually pointing to dysfunction of the primary cilia corresponding clinically to ciliopathies with major skeletal involvement. Mutations in at least 23 genes are likely to correspond to this clinical presentation: IFT43/52/80/81/122/140/172, WDR19/34/35/60, DYNC2H1, DYNC2LI1, CEP120, NEK1, TTC21B, TCTEX1D2, INTU, TCTN3, EVC 1/2 and KIAA0586. In addition to these, KIAA0753 variants were recently described in seven patients with Jeune asphyxiating thoracic dyst...

Skeletal deterioration in COL2A1-related spondyloepiphyseal dysplasia occurs prior to osteoarthritis.

Spondyloepiphyseal dysplasia, a combination of progressive arthropathy with variable signs of skeletal dysplasia, can be a result of mutations in the collagen, type II, alpha 1 (COL2A1) gene. However, the bone involvement (e.g., density, microstructure) in this disorder has hitherto not been studied.

Prenatal diagnosis of Desbuquois dysplasia Type 1: Utilization of high-density SNP array to map homozygosity and identify the gene.

Desbuquois dysplasia (DBQD1 [MIM 251450]) is an autosomal recessive chondrodysplasia with micromelia, severe joint laxity and dislocations, and a characteristic radiographic "monkey wrench" appearance at the proximal femur. Type 1 Desbuquois dysplasia is caused by mutations in CANT1 and is distinct from Type 2, caused by mutations in XYLT1, in that the former has unique hand anomalies including accessory phalangeal ossification centers, advanced carpal bone maturation, and/or axial phalangeal deviation. Sev...

IDUA gene mutations in mucopolysaccharidosis type-1 patients from two Pakistani inbred families.

Mucopolysaccharidosis type-I (MPS-1) is an autosomal recessive lysosomal storage disorder caused by mutations in the α-L-iduronidase (IDUA) gene (OMIM 252800). This article is protected by copyright. All rights reserved.

Critical Structural Defects Explain Filamin A Mutations Causing Mitral Valve Dysplasia.

Mitral valve diseases affect ∼3% of the population and are the most common reasons for valvular surgery because no drug-based treatments exist. Inheritable genetic mutations have now been established as the cause of mitral valve insufficiency, and four different missense mutations in the filamin A gene (FLNA) have been found in patients suffering from nonsyndromic mitral valve dysplasia (MVD). The filamin A (FLNA) protein is expressed, in particular, in endocardial endothelia during fetal valve morphogene...

New Function of RUNX2 in Regulating Osteoclast Differentiation via the AKT/NFATc1/CTSK Axis.

Cleidocranial dysplasia is an autosomal dominant skeletal disorder resulting from RUNX2 mutations. The influence of RUNX2 mutations on osteoclastogenesis and bone resorption have not been reported. To investigate the role of RUNX2 in osteoclast, RUNX2 expression in macrophages (RAW 264.7 cells) was detected. Stable RAW 264.7 cell lines expressing wild-type RUNX2 or mutated RUNX2 (c.514delT, p.172 fs) were established, and their functions in osteoclasts were investigated. Wild-type RUNX2 promoted osteoclast...

A new Variant in the MYH11 gene in a Familial case of Thoracic Aortic Aneurysm.

MYH11 (Myosin Heavy chain 11) gene is involved in vascular contractility and several autosomal dominant mutations, have been linked to TAA. Three male members of the same family were found to carry an heterozygous missense variant, in the MYH11 gene and all of them presented a thoracic aortic aneurysm/dilation. We identified a rare missense variant in the MYH11 gene predicted to be damaging and affecting a conserved amino-acid in the myosin tail of the protein. This variant appears to be responsible for our...

Novel Frameshift Mutations in DSPP Cause Dentin Dysplasia Type II.

The current classification system of hereditary dentin defects was proposed in 1973 (Shields et al., 1973) based on clinical and radiographic information without knowledge of the underlying molecular pathophysiology: three types of dentinogenesis imperfecta (DGI-I, DGI-II, and DGI-III) and 2 types of dentin dysplasia (DD-I and DD-II). This article is protected by copyright. All rights reserved.

The genetic characteristics of BCR-ABL-negative myeloproliferative neoplasms.

To explore the relationship between driver gene mutation (JAK2, MPL and CALR) and disease type in BCR-ABL negative myeloproliferative neoplasms (MPNs) including primary myeloid fibrosis (PMF), essential thrombocytosis (ET) and polycythemia vera (PV). A total of 32 MPN related genes were detected by high-throughput sequencing in 156 MPN patients. The relationships between disease type and patients' general performance, the characteristics of driver gene mutations, concomitant gene mutations were analyzed. ...

Cleidocranial dysplasia: a case report and gene mutation analysis.

Cleidocranial dysplasia is a rare autosomal dominant hereditary disease characterized by abnormal skeletal and dental development. In this work, a case of cleidocranial dysplasia is reported, and a new frameshift mutation is confirmed by gene detection.

Skin fibroblasts of patients with geleophysic dysplasia due to FBN1 mutations have lysosomal inclusions and losartan improves their microfibril deposition defect.

Geleophysic dysplasia (GPHYSD) is a disorder characterized by dysmorphic features, stiff joints and cardiac involvement due to defects of TGF-β signaling. GPHYSD can be caused by mutations in FBN1, ADAMTLS2, and LTBP3 genes.

Generation of a Human iPSC line (SDQLCHi021-A) from a patient with methylmalonic acidemia cblC type carrying compound heterozygous mutations in MMAHC gene.

Methylmalonic acidemia and homocystinuria, cblC type is a rare autosomal recessive inheritance disease. Its clinical phenotype involves multiple systems with varying degrees of severity. The disease is caused by the mutations in the MMACHC gene located on chromosome 1p34.1. Here we report the generation of an iPSC line from the PBMCs of a patient with compound heterozygous mutations in the MMACHC gene. This new iPSC line will allow a better understanding of the MMA disease.

Next generation sequencing identifies two Genomically distinct groups among pyloric gland adenomas.

The molecular alterations identified among pyloric glands adenomas (PGAs) in the published literature are based on polymerase chain reaction of targeted genes and next-generation sequencing (NGS) has not been performed. In this study, we performed NGS and correlated the molecular alterations with the histologic grade of dysplasia and immunohistochemical findings in a cohort of PGAs. Successful DNA extraction and sequencing was performed in fifteen pyloric gland adenomas/adenocarcinoma from twelve patients. ...

Hotspot Mutations in Pleuropulmonary Blastoma: A Case Series From a Tertiary Center.

Pleuropulmonary blastoma (PPB) is a potentially aggressive, rare childhood neoplasia. We investigated histopathological features, survival, and hotspot mutations among PPB patients. Archive records at our institution were reviewed, covering a 20-year period. Thirteen children (6 males and 7 females) with a mean age of 30.5 (range 6-83) months were included. The tumor subtypes were type I in 6 (46%), type II in 4 (31%), and type III in 3 (23%). Only tumors with type II and type III histology showed anaplasi...

Evaluation of the iris thickness changes for the Chinese families with GPR143 gene mutations.

Pathogenic variants of the G-protein coupled receptor 143 (GPR143) gene may result in Ocular albinism type I (OA1). In this study, we describe the clinical features and investigate the GPR143 gene mutations in six Chinese families with OA1 and evaluate the thickness changes of iris for the affected males and female carriers.

A novel missense mutation p.S305R of EDA gene causes XLHED in a Chinese family.

X-linked hypohidrotic ectodermal dysplasia (XLHED) can be characterized by hypohidrosis, sparse hair, hypodontia, and characteristic facial features and is usually caused by mutations of ectodysplasin A (EDA) gene located on the X chromosome. In this study, we examined a HED pedigree and studied the molecular genetics of the disease. A novel missense mutation was revealed by direct sequencing analysis in the EDA exon 7 (c.913 A > C, p.S305R). The impact of the mutation on the protein was studied in vitr...

Somatic double-hit in MTOR and RPS6 in hemimegalencephaly with intractable epilepsy.

Single germline or somatic activating mutations of mTOR pathway genes are emerging as a major cause of Type II Focal Cortical Dysplasia (FCD), hemimegalencephaly (HME), and Tuberous Sclerosis Complex (TSC). A double hit mechanism, based on a primary germline mutation in one allele and a secondary somatic hit affecting the other allele of the same gene in a small number of cells, has been documented in some patients with TSC or FCD. In a patient with HME, severe intellectual disability, intractable seizures,...

Clinical manifestation of hemophilia A in the absence of mutations in the F8 gene that encodes FVIII: role of microRNAs.

Hemophilia A (HA) is associated with mutations in the F8 gene that expresses factor VIII (FVIII). Unexpectedly, HA also manifests in a small subset of individuals with no mutations (exonic or intronic) in their F8 gene. MicroRNAs (miRNAs) cause translational interference, affecting protein quality and stoichiometry. Here, by analyzing miRNAs of two patients from this subset, we evaluated miRNA-based FVIII suppression as a testable hypothesis to explain FVIII deficiency in patients with HA with no F8 gene mu...

A de novo frameshift FGFR1 mutation extending the protein in an individual with multiple epiphyseal dysplasia and hypogonadotropic hypogonadism without anosmia.

Multiple epiphyseal dysplasia (MED) is a genetically and clinically heterogeneous disease with both dominant and recessive inheritance. Eight different genes are known to cause the disease but in 15% of cases of MED, no mutation is found. Fibroblast growth factor receptor 1 (FGFR1) is a crucial regulator of bone formation and when mutated, can cause diseases with skeletal manifestations; nevertheless, MED has not been described in individuals with FGFR1 mutations. In this report, we describe a proband with ...

Somatic gene mutation signatures predict cancer type and prognosis in multiple cancers with Pan-Cancer 1000 gene panel.

Most cancers are caused by somatic mutations. Some common mutations in the same cancer type can form a "signature" to specifically predict the prognosis or to distinguish it from other cancers. In this study, 710 somatic cell mutations were identified in 142 cases, including digestive, lung and urogenital cancers, and the digestive cancers were further divided into liver, stomach, intestinal, esophageal and cardia cancer. The above mutations were located in 166 genes. In addition, a group of high-frequency ...

Dentinal dysplasia type 1: A 3D micro-computed tomographic study of enamel, dentine and root canal morphology.

Dentine dysplasia type 1 is a rare and complex dental anomaly. Our aim was to conduct a morphometric assessment of a dentinal dysplasia type 1c (DD1c) caries-free mandibular second molar, extracted due to symptomatic apical periodontitis. Controls consisted of five intact mandibular second molars. Micro-computed tomography analysis showed that the DD1c volume % for enamel, dentine/cementum and pulp chamber fell in the 0.36th, 99.97th and 0.09th percentiles of the control teeth (P 

Quantification of IGF-1 Receptor Is useful in the Differential Diagnosis of Essential Thrombocytosis from Reactive Thrombocytosis.

To make a definite diagnosis of essential thrombocytosis (ET) from reactive thrombocytosis (RT), the most reliable criteria are the presence of driver mutations, namely JAK2, CALR, or MPL gene mutations. In the absence of these driver mutations, so-called triple-negative ET, the differential diagnosis could be difficult. Although bone marrow biopsy could be helpful, it may be difficult in some cases ; to do gene sequence analysis to identify other clonal marker gene mutations than the driver mutations, as o...

Heterozygous FGFR1 mutation may be responsible for an incomplete form of osteoglophonic dysplasia, characterized only by radiolucent bone lesions and teeth retentions.

Non-ossifying fibromas are seen in different disorders recognizable by specific features. Indeed, osteoglophonic dysplasia (OD) is characterized by radiolucent bone lesions associated with severe short stature, dysmorphism and failure of dental eruption. This syndrome is caused by heterozygous activating mutations in the immunoglobulin-like D3 domain of the FGFR1 gene, encoding a tyrosine kinase. Here, we report three patients from the same family presenting with radiolucent bone lesions and teeth retention...

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