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https://www.readbyqxmd.com/read/28546127/new-genes-for-accurate-normalization-of-qrt-pcr-results-in-study-of-ips-and-ips-derived-cells
#1
A S Artyukhov, E B Dashinimaev, V O Tsvetkov, A P Bolshakov, E V Konovalova, S N Kolbaev, E A Vorotelyak, A V Vasiliev
iPSC-derived cells (from induced pluripotent stem cells) are a useful source that provide a powerful and widely accepted tool for the study of various types of human cells in vitro. Indeed, iPSC-derived cells from patients with hereditary diseases have been shown to reproduce the hallmarks of these diseases in vitro, phenotypes that can then also be manipulated in vitro. Quantitative reverse transcription PCR (qRT-PCR) is often used to characterize the progress of iPSC differentiation, validate mature cell types and to determine levels of pathological markers...
May 22, 2017: Gene
https://www.readbyqxmd.com/read/28546126/role-of-xyloglucan-in-cotton-gossypium-hirsutum-l-fiber-elongation-of-the-short-fiber-mutant-ligon-lintless-2-li2
#2
Marina Naoumkina, Doug J Hinchliffe, David D Fang, Christopher B Florane, Gregory N Thyssen
Xyloglucan is a matrix polysaccharide found in the cell walls of all land plants. In growing cells, xyloglucan is thought to connect cellulose microfibrils and regulate their separation during wall extension. Ligon lintless-2 (Li2) is a monogenic dominant cotton fiber mutation that causes extreme reduction in lint fiber length with no pleiotropic effects on vegetative growth. Li2 represents an excellent model system to study fiber elongation. To understand the role of xyloglucan in cotton fiber elongation we used the short fiber mutant Li2 and its near isogenic wild type for analysis of xyloglucan content and expression of xyloglucan-related genes in developing fibers...
May 22, 2017: Gene
https://www.readbyqxmd.com/read/28546125/molecular-cloning-and-functional-characterization-of-coft1-a-homolog-of-flowering-locus-t-ft-from-camellia-oleifera
#3
Hengjiu Lei, Shuchai Su, Luyi Ma, Yue Wen, Xiangnan Wang
FLOWERING LOCUS T (FT) is an important integrator of flowering genetic pathways and plays crucial roles in flowering transition. The tea-oil tree (Camellia oleifera Abel.) is a valuable woody oil crop, but the molecular mechanisms controlling flowering are still unclear. In this study, a FT-like gene, CoFT1, was isolated and characterized from C. oleifera. The CoFT1 protein was localized in the nucleus and cytoplasm of Arabidopsis protoplasts, and exhibited no transactivation activity in yeast cells. CoFT1 was highly expressed in mature leaves and reproductive organs, such as flower buds, flowers, flower organs, and young fruits...
May 22, 2017: Gene
https://www.readbyqxmd.com/read/28546124/stressor-driven-extracellular-acidosis-as-tumor-inducer-via-aberrant-enzyme-activation-a-review-on-the-mechanisms-and-possible-prophylaxis
#4
REVIEW
Seema Patel
When the extracellular pH of the human body vacillates in either direction, tissue homeostasis is compromised. Fluctuations in acidosis have been linked to a wide variety of pathological conditions, including bone loss, cancer, allergies, and auto-immune diseases. Stress conditions may affect oxygen tension and hypoxia modulates the expression and/or activity of membrane tethered transporters/pumps, transcription factors, enzymes and intercellular junctions. These modifications provoke erratic gene expression, aberrant tissue remodeling and oncogenesis...
May 22, 2017: Gene
https://www.readbyqxmd.com/read/28536082/mir-30b-5p-functions-as-a-tumor-suppressor-in-cell-proliferation-metastasis-and-epithelial-to-mesenchymal-transition-by-targeting-g-protein-subunit-%C3%AE-13-in-renal-cell-carcinoma
#5
Wenjuan Liu, Honghong Li, Yan Wang, Xinyao Zhao, Yuanying Guo, Jing Jin, Rongxiang Chi
Increasing evidence has demonstrated that aberrant microRNAs (miRNAs) play important roles in the pathogenesis of most human malignancies. The purpose of this study was to explore the role of miR-30b-5p in human RCC. In the current study, we firstly found that the expression levels of miR-30b-5p were lower in both RCC tissues and cell lines. Then, we found that enforced miR-30b-5p expression and knockdown of GNA13 significantly suppressed the proliferation, invasion, migration and EMT of RCC cell lines. In addition, miR-30b-5p directly targeted GNA13 and repressed its expression...
May 20, 2017: Gene
https://www.readbyqxmd.com/read/28536081/structural-annotation-of-beta-1-4-n-acetyl-galactosaminyltransferase-1-b4galnt1-causing-hereditary-spastic-paraplegia-26
#6
Rubina Dad, Uzma Malik, Aneela Javed, Berge A Minassian, Muhammad Jawad Hassan
Beta-1,4-N-acetyl galactosaminyltransferase 1, B4GALNT1, is a GM2/GD2 synthase, involved in the expression of glycosphingolipids (GSLs) containing sialic acid. Mutations in the gene B4GALNT1 cause Hereditary Spastic Paraplegia 26 (HSP26). In present study we have made attempt to predict the potential structural of the human B4GALNT1 protein. The results illustrated that the amino acid sequences of B4GALNT1 are not 100% conserved among selected twenty species. One signal peptide and one transmembrane domain predicted in human wild type B4GALNT1 protein with aliphatic index of 92...
May 20, 2017: Gene
https://www.readbyqxmd.com/read/28536080/a-genome-wide-identification-and-analysis-of-basic-helix-loop-helix-transcription-factors-in-cattle
#7
Debao Zhang, Guanying Li, Yong Wang
Basic helix-loop-helix (BHLH) transcription factors comprise a large family of regulatory proteins and play critical roles in the developmental processes of higher organisms. Complete lists of BHLH family members have been identified in about 50 organisms, including fruit fly, zebrafish, mouse, giant panda, worm, yeast, rice and apple. Cattle, Bos taurus, is important for agriculture and animal nutrition, and is also a good model organism for health research. In the present study, 116 putative BHLHs were identified in the cattle genome...
May 20, 2017: Gene
https://www.readbyqxmd.com/read/28536079/the-complete-mitochondrial-genome-sequence-of-the-sichuan-digging-frog-kaloula-rugifera-anura-microhylidae-and-its-phylogenetic-implications
#8
Lichun Jiang, Li Zhao, Dongmei Cheng, Lilan Zhu, Min Zhang, Qiping Ruan, Wei Chen
The Sichuan Digging Frog (Kaloula rugifera) belongs to the family Dicroglossidae, which is endemic to northeastern Sichuan and southernmost Gansu provinces, in southwestern China. In this study, the complete mitochondrial genome of K. rugifera was sequenced. The mitogenome was 17,074bp in length, consisting of 13 protein-coding genes, 22 transfer RNA (tRNA) genes, two ribosomal RNA (rRNA) genes, and a non-coding control region. As in other vertebrates, most mitochondrial genes are encoded on the heavy strand, except for ND6 and eight tRNA genes which are encoded on the light strand...
May 20, 2017: Gene
https://www.readbyqxmd.com/read/28533124/the-novel-gene-mtb192-is-a-candidate-marker-for-the-detection-of-multidrug-resistant-mycobacterium-tuberculosis-strains
#9
Junhua Chen, Li Jiang, Wei Su, Gaihuan Zheng, Xu Hongmei
BACKGROUND: Multi-drug resistant tuberculosis (TB) is one of the most main threats to the global TB control work at present. And it's very difficult to detect. From a screen of differentially expressed genes in multidrug-resistant tuberculosis (MDR-TB) strains, we identified a new gene, mtb192. In the present study, we verified the association of mtb192 with TB drug resistance by detecting its expression in clinical isolates from paediatric TB patients. MATERIALS AND METHODS: The homology of mtb192 was analysed by gene blasting in GenBank...
May 19, 2017: Gene
https://www.readbyqxmd.com/read/28533123/molecular-characterization-of-caulobacter-crescentus-mutator-strains
#10
Marinalva Martins-Pinheiro, Alice R Oliveira, Alexy O Valencia, Frank S Fernandez-Silva, Larissa G Silva, Carina O Lopes-Kulishev, Valeria C S Italiani, Marilis V Marques, Carlos F Menck, Rodrigo S Galhardo
Mutator strains were identified by screening random Tn5 insertion clones of Caulobacter crescentus. We identified clones with robust increases in mutation rates with Tn5 insertions in the mutY, mutS, mutL and uvrD genes, known to act in mutation-preventing pathways in Escherichia coli. Analysis of mutations in the rpoB gene revealed that in both the parental strain and mismatch repair-deficient mutants, A:T→G:C transitions predominate by a large margin over C:G→T:A. We have also investigated the role of the error-prone polymerase encoded by imuC (dnaE2) in spontaneous mutagenesis, and found that a imuC mutant strain shows mutation rates and sequences comparable to the parental strain...
May 19, 2017: Gene
https://www.readbyqxmd.com/read/28526653/genetic-variants-of-interleukin-18-are-associated-with-reduced-risk-of-atrial-fibrillation-in-a-population-from-northeast-china
#11
Ying-Hui Wang, Lin Fu, Bo Wang, Shu-Feng Li, Zhao Sun, Ying Luan
Atrial fibrillation (AF) affects approximately 1-2% of general population. Chronic inflammation plays an important role in AF development and interleukin-18 (IL-18) is a pro-inflammatory cytokine. This study aimed to assess the association of single nucleotide polymorphisms (SNPs) of IL-18 for with AF risk. Blood samples were taken from 243 AF patients and 160 non-AF individuals from a Chinese population and subjected to genotyping for six IL-18 SNPs using the MassArray system. Association of individual SNPs with AF risk was analyzed using SAS version 9...
May 16, 2017: Gene
https://www.readbyqxmd.com/read/28526652/retinoic-acid-induces-differentiation-of-buffalo-bubalus-bubalis-embryonic-stem-cells-into-germ-cells
#12
Syed Mohmad Shah, Suresh Kumar Singla, Prabhat Palta, Radhey Sham Manik, Manmohan Singh Chauhan
Development of precise and reproducible culture system for in vitro differentiation of embryonic stem (ES) cells into germ cells counts as a major leap forward for understanding not only the remarkable process of gametogenesis, otherwise obscured by limited availability of precursor primordial germ cells (PGCs), but in finally treating the catastrophic infertility. Taking into account the significant role of retinoic acid (RA) during in vivo gametogenesis, we designed the present study to investigate the effects of its stimulation on directing the differentiation of ES cells into germ cells...
May 16, 2017: Gene
https://www.readbyqxmd.com/read/28526651/disruption-of-nnat-nap1l5-and-mkrn3-dna-methylation-and-transcription-in-rabbit-parthenogenetic-fetuses
#13
Dongxu Wang, Zhiquan Liu, Haobin Yao, Yang Hao, Lina Zhou, Jian Du, Yixin Zhu, Yuxin Xu, Guodong Wang, Yuning Song, Zhanjun Li
Parthenogenetically activated oocytes cannot develop to term in mammals due to lack of paternal gene expression. Disruption of imprinted gene expression and DNA methylation status in parthenogenetic fetuses has been reported in mice and pigs, but not in rabbits. In this study, the genomic imprinting status of the paternally expressed genes Neuronatin (NNAT), Nucleosome assembly protein 1-like 5 (NAP1L5), and Makorin ring finger protein 3 (MKRN3) was compared between rabbit parthenogenetic (PA) and normally fertilized fetuses (Con) using quantitative real-time PCR (qRT-PCR) and bisulfite sequencing PCR (BSP)...
May 16, 2017: Gene
https://www.readbyqxmd.com/read/28514642/congenital-adrenal-hyperplasia-due-to-11-hydroxylase-deficiency-compound-heterozygous-mutations-of-a-prevalent-and-two-novel-cyp11b1-mutations
#14
Chongjuan Gu, Tao Tan, Junbao Yang, Yilu Lu, Yongxin Ma
11β-hydroxylase deficiency (11β-OHD) occurs in about 5-8% of congenital adrenal hyperplasia (CAH). In this study, we identified three CYP11B1 (encoding Cytochrome P450 11B1) heterozygous mutations: c.1358G>C (p.R453Q), c.1229T>G (p.L410R) and c.1231G>T (p.G411C) in a Chinese CAH patient due to classic 11β-OHD. His parents were healthy and respectively carried the prevalent mutation c.1358G>C (p.R453Q), and the two novel mutations c.1229T>G (p.L410R) and c.1231G>T (p.G411C). In vitro expression studies, immunofluorescence demonstrated that wild type and mutant (L410R and G411C) proteins of CYP11B1 were correctly expressed on the mitochondria, and enzyme activity assay revealed the mutant reduced the 11-hydroxylase activity to 10% (P<0...
May 14, 2017: Gene
https://www.readbyqxmd.com/read/28512062/hsa-mir-513b-5p-suppresses-cell-proliferation-and-promotes-p53-expression-by-targeting-irf2-in-testicular-embryonal-carcinoma-cells
#15
Xiaorong Wang, Xiansheng Zhang, Guishuan Wang, Lu Wang, Yu Lin, Fei Sun
Previous studies have reported the miR-513b is located on the X chromosome and is preferentially expressed in testis. However, the underlying mechanisms of miR-513b involved in spermatogenesis remains unknown. In this study, we found that hsa-miR-513b-5p was highly expressed in the testes of infertile males with maturation arrest compared with normal controls. Overexpression of hsa-miR-513b-5p suppressed testicular embryonal carcinoma (NT2) cell proliferation and induced apoptosis in vitro, whereas silencing of hsa-miR-513b-5p reversed these effects...
May 13, 2017: Gene
https://www.readbyqxmd.com/read/28512061/genetic-variants-in-autophagy-associated-genes-are-associated-with-dna-damage-levels-in-chinese-population
#16
Zhihua Li, Junyi Xin, Weihong Chen, Jia Liu, Meng Zhu, Congwen Zhao, Jing Yuan, Guangfu Jin, Hongxia Ma, Jiangbo Du, Zhibin Hu, Tangchun Wu, Hongbing Shen, Juncheng Dai, Hao Yu
Autophagy associated genes (ATGs) played an important role in the repair process of DNA damage and decreased autophagy may weaken the repair process and aggravate DNA damage. Based on this, we hypothesized that DNA damage levels might be modified by genetic variants in autophagy associated genes. In order to validate our hypothesis, 307 subjects were recruited from three different cities (Zhuhai, Wuhan and Tianjin) in China. Demographic data, individual 24-h PM2.5 exposure and peripheral blood DNA damage levels were also detected...
May 13, 2017: Gene
https://www.readbyqxmd.com/read/28512060/characterization-and-phylogenetic-analysis-of-complete-mitochondrial-genomes-for-two-desert-cyprinodontoid-fishes-empetrichthys-latos-and-crenichthys-baileyi
#17
Miguel Jimenez, Shawn C Goodchild, Craig A Stockwell, Sean C Lema
The Pahrump poolfish (Empetrichthys latos) and White River springfish (Crenichthys baileyi) are small-bodied teleost fishes (order Cyprinodontiformes) endemic to the arid Great Basin and Mojave Desert regions of western North America. These taxa survive as small, isolated populations in remote streams and springs and evolved to tolerate extreme conditions of high temperature and low dissolved oxygen. Both species have experienced severe population declines over the last 50-60years that led to some subspecies being categorized with protected status under the U...
May 13, 2017: Gene
https://www.readbyqxmd.com/read/28512059/genome-scale-metabolic-network-of-cordyceps-militaris-useful-for-comparative-analysis-of-entomopathogenic-fungi
#18
Wanwipa Vongsangnak, Nachon Raethong, Warasinee Mujchariyakul, Nam Ninh Nguyen, Hon Wai Leong, Kobkul Laoteng
The first genome-scale metabolic network of Cordyceps militaris (iWV1170) was constructed representing its whole metabolisms, which consisted of 894 metabolites and 1,267 metabolic reactions across five compartments, including the plasma membrane, cytoplasm, mitochondria, peroxisome and extracellular space. The iWV1170 could be exploited to explain its phenotypes of growth ability, cordycepin and other metabolites production on various substrates. A high number of genes encoding extracellular enzymes for degradation of complex carbohydrates, lipids and proteins were existed in C...
May 13, 2017: Gene
https://www.readbyqxmd.com/read/28512058/downregulation-of-mir-224-and-let-7i-contribute-to-cell-survival-and-chemoresistance-in-chronic-myeloid-leukemia-cells-by-regulating-st3gal-iv-expression
#19
Huimin Zhou, Yang Li, Bing Liu, Yujia Shan, Yan Li, Lifen Zhao, Zhen Su, Jia Li
Acquired resistance to imatinib is frequently associated with poor clinical outcome of chronic myeloid leukemia (CML) patient. To date, evidence indicates that protein glycosylation and its upstream regulators might be implicated in tumorigenesis and chemoresistance occurrence. In current study we initially explored N-glycan profiles on the surface of CML cell lines and bone marrow mononuclear cells (BMMC) of CML patients by using mass spectrometry (MS) analysis. An elevated sialylation was detected in K562R cells (CML cells with imatinib resistance phenotype) compare to K562 cells...
May 13, 2017: Gene
https://www.readbyqxmd.com/read/28506748/copy-number-variation-analysis-of-patients-with-intellectual-disability-from-north-west-spain
#20
Inés Quintela, Jesús Eirís, Carmen Gómez-Lado, Laura Pérez-Gay, David Dacruz, Raquel Cruz, Manuel Castro-Gago, Luz Míguez, Ángel Carracedo, Francisco Barros
Intellectual disability (ID) is a complex and phenotypically heterogeneous neurodevelopmental disorder characterized by significant deficits in cognitive and adaptive skills, debuting during the developmental period. In the last decade, microarray-based copy number variation (CNV) analysis has been proved as a strategy particularly useful in the discovery of loci and candidate genes associated with these phenotypes and is widely used in the clinics with a diagnostic purpose. In this study, we evaluated the usefulness of two genome-wide high density SNP microarrays -Cytogenetics Whole-Genome 2...
May 12, 2017: Gene
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