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https://www.readbyqxmd.com/read/29778048/pathogens-constancy-harbinger-of-nosocomial-infection-cum-identification-of-resistant-genes-and-drug-designing
#1
Sana Farooq Ahmad, Ibrar Khan, Abdul Wadood, Sadiq Azam, Noor Rehman, Muhammad Waqas, Kashif Bashir, Asaf Ali Khan
Hospitals are the most prominent places for the growth and spread of bacteria which are resistant to the available antibiotics. This antibiotic resistance is due to the over and misuse of antibiotic dosages of a high-density of patient population which are in frequent interaction with inanimate items of the hospitals and the consequent risk of cross infection. Out of 1010 samples of the current study, 510 (50.49%) were culture positive of which 329 (64.5%) were Gram-positive while 181 (35.49%) Gram negative...
April 22, 2018: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/29778033/weight-and-the-vitamin-k-expoxide-reductase-1-genotype-primarily-contribute-to-the-warfarin-dosing-in-pediatric-patients-with-kawasaki-disease
#2
Zhouping Wang, Li Zhang, Ping Huang, Xiaoqiong Gu, Xiaofei Xie, Yanfei Wang, Wei Li, Qiyi Zeng
INTRODUCTION: Warfarin therapy is recommended in children with giant coronary artery aneurysms (GCAAs) after Kawasaki disease (KD). Large individual variability makes it difficult to predict the warfarin dose. Polymorphisms in the vitamin K expoxide reductase 1 (VKORC1) and cytochrome P4502C9 (CYP2C9) genes have been reported to influence the warfarin dose. We investigated the effects of the VKORC1 and CYP2C9 genotypes on the warfarin dose in pediatric patients with giant CAAs after KD...
May 8, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29778030/retrospective-genotype-phenotype-analysis-in-a-305-patient-cohort-referred-for-testing-of-a-targeted-epilepsy-panel
#3
Andrew N Hesse, Jennifer Bevilacqua, Kritika Shankar, Honey V Reddi
PURPOSE: Epilepsy is a diverse neurological condition with extreme genetic and phenotypic heterogeneity. The introduction of next-generation sequencing into the clinical laboratory has made it possible to investigate hundreds of associated genes simultaneously for a patient, even in the absence of a clearly defined syndrome. This has resulted in the detection of rare and novel mutations at a rate well beyond our ability to characterize their effects. This retrospective study reviews genotype data in the context of available phenotypic information on 305 patients spanning the epileptic spectrum to identify established and novel patterns of correlation...
May 16, 2018: Epilepsy Research
https://www.readbyqxmd.com/read/29778027/influence-of-gastrointestinal-tract-on-metabolism-of-bisphenol-a-as-determined-by-in-vitro-simulated-system
#4
Yonghua Wang, Min Rui, Yang Nie, Guanghua Lu
Oral exposure is a major route of human bisphenol A (BPA) exposure. However, influence of gastrointestinal tract on BPA metabolism is unavailable. In this study, in vitro simulator of the human intestinal microbial ecosystem (SHIME) was applied to investigate the changes in bioaccessibility and metabolism of BPA in different parts of gastrointestinal tract (stomach, small intestine and colon). Then the human hepatoma cell line HepG2 was employed to compare toxic effects of BPA itself and effluents of SHIME system on hepatic gene expression profiles...
May 7, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29778014/expression-of-grape-acs1-in-tomato-decreases-ethylene-and-alters-the-balance-between-auxin-and-ethylene-during-shoot-and-root-formation
#5
Xia Ye, Mengmeng Fu, Yu Liu, Dongliang An, Xianbo Zheng, Bin Tan, Jidong Li, Jun Cheng, Wei Wang, Jiancan Feng
Ethylene plays an important role in the grape rachis, where its production can be 10 times higher than in the berry. VvACS1 is the only rachis-specific ACC synthase (ACS) gene, and its expression is coincident with ethylene production in the rachis of Vitis vinifera 'Thompson seedless'. VvACS1 was cloned and ectopically expressed in tomato (Solanum lycopersicum 'Moneymaker'). Lateral buds were increased in two- or four-week-old 35s∷VvACS1 transgenic tomato plants after transplanting. Compared with wild-type (WT) plants, the transgenic tomato plants showed higher expression of the VvACS1 gene in the flowers, leaves, rachis, and fruits...
May 4, 2018: Journal of Plant Physiology
https://www.readbyqxmd.com/read/29777993/toenail-selenium-genetic-variation-in-selenoenzymes-and-risk-and-outcome-in-glioma
#6
Noah C Peeri, Jordan H Creed, Gabriella M Anic, Reid C Thompson, Jeffrey J Olson, Renato V LaRocca, Sajeel A Chowdhary, John D Brockman, Travis A Gerke, L Burton Nabors, Kathleen M Egan
BACKGROUND: Selenium is an essential trace element obtained through diet that plays a critical role in DNA synthesis and protection from oxidative damage. Selenium intake and polymorphisms in selenoproteins have been linked to the risk of certain cancers though data for glioma are sparse. METHODS: In a case-control study of glioma, we examined the associations of selenium in toenails and genetic variants in the selenoenzyme pathway with the risk of glioma and patient survival...
May 16, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29777991/co-evolutionary-associations-between-root-associated-microbiomes-and-root-transcriptomes-in-wild-and-cultivated-rice-varieties
#7
Lei Tian, Shaohua Shi, Lina Ma, Fahad Nasir, Xiujun Li, Lam-Son Phan Tran, Chunjie Tian
The plants and root-associated microbiomes are closely related. Plant metabolic substances can serve as a nutrient source for the microbiome, and in return, the microbiome can regulate the production of plant metabolic substances. Wild rice (Oryza rufipogon), as the ancestor of cultivated rice (Oryza sativa), has changed several metabolic pathways and root-associated microbiome during evolution. Thus, the study of the different associations between metabolic pathways and root-associated microbiomes in wild and cultivated rice varieties is important for rice breeding...
April 13, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29777958/sssupramolecular-poly-acrylic-acid-f127-hydrogel-with-hydration-controlled-nitric-oxide-release-for-enhancing-wound-healing
#8
Mathilde Champeau, Valéria Póvoa, Lucas Militão, Flávia Cabrini, Guilherme F Picheth, Florian Meneau, Carlos P Jara, Eliana P de Araujo, Marcelo G de Oliveira
Topical nitric oxide (NO) delivery has been shown to accelerate wound healing. However, delivering NO to wounds at appropriate rates and doses requires new biomaterial-based strategies. Here, we describe the development of supramolecular interpolymer complex hydrogels comprising PEO-PPO-PEO (F127) micelles embedded in a poly(acrylic acid) (PAA) matrix, with S-nitrosoglutathione (GSNO) molecules dissolved in the hydrophilic domain. We show that PAA:F127/GSNO hydrogels start releasing NO upon hydration at rates controlled by their rates of water absorption...
May 16, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29777949/evaluation-of-skin-or-sweat-characteristic-mrnas-for-inferring-the-human-origin-of-touched-contact-traces
#9
Tomoko Akutsu, Ken Watanabe, Ayari Takamura, Koichi Sakurada
The source of small amounts of touch DNA, which is transferred from the skin to an object when it is handled or touched, could be an issue in the forensic analysis of criminal cases. Here, we performed an extended evaluation of skin- or sweat-characteristic mRNAs to investigate their usability to infer whether an object has been handled or touched by someone. First, we compared the expression levels of candidate genes between skin swabs and other body fluids by quantitative RT-PCR analysis. Among the analyzed genes, corneodesmosin (CDSN), late cornified envelope 1C (LCE1C), filaggrin (FLG), desmocollin 1, and dermcidin were selected for further analysis on the basis of their specificities and sensitivities...
May 14, 2018: Legal Medicine
https://www.readbyqxmd.com/read/29777939/variation-of-genes-encoding-kat1-aadat-and-ido1-as-a-potential-risk-of-depression-development
#10
Paulina Wigner, Piotr Czarny, Ewelina Synowiec, Michał Bijak, Monika Talarowska, Piotr Galecki, Janusz Szemraj, Tomasz Sliwinski
Numerous data suggests that the disorders of tryptophan catabolites (TRYCATs) pathway, including a decreased level of tryptophan or evaluated concentration of harmful TRYCATs -kynurenine, quinolinic acid, 3-hydroxyanthranilic acid, 3-hydroxytryptophan - may cause the occurrence of DD symptoms. In this work, we assessed the relationship between single-nucleotide polymorphisms (SNPs) of KAT1, KAT2 and IDO1 gene encoding, and the risk of depression development. Our study was performed on the DNA isolated from peripheral blood of 281 depressed patients and 236 controls...
May 16, 2018: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29777912/a-super-enhancer-maintains-homeostatic-expression-of-regnase-1
#11
Riyun Yang, Yuanyuan Wu, Yue Ming, Yuanpei Xu, Shouyan Wang, Jianbo Shen, Chenlu Wang, Xia Chen, Yongming Wang, Renfang Mao, Yihui Fan
Regnase-1 is not only a key component in maintaining intracellular homeostasis but also a critical negative regulator in preventing autoimmune diseases and cancer development. To keep homeostatic state, Regnase-1 has to be maintained at a desired level in multiple cell types. However, the molecular mechanism of keeping a certain transcriptional level of Reganase-1 is largely unknown. In this study, we found a super-enhancer (Reg-1-SE) around Regnase-1 gene is able to control the homeostatic expression of Regnase-1...
May 16, 2018: Gene
https://www.readbyqxmd.com/read/29777911/deficiency-in-gnrh-receptor-trafficking-due-to-a-novel-homozygous-mutation-causes-idiopathic-hypogonadotropic-hypogonadism-in-three-prepubertal-siblings
#12
Rui Zhang, Siyuan Linpeng, Zhuo Li, Yingxi Cao, Hu Tan, Desheng Liang, Lingqian Wu
Idiopathic hypogonadotropic hypogonadism (IHH) is characterized by low levels of gonadotropins and delayed or absent sexual development. Most of the patients are diagnosed in late adolescence or early adulthood. Determining the diagnosis of IHH in prepubertal patients can be challenging. Making a timely, correct diagnosis has important clinical implications. Here we aimed to identify the genetic cause of IHH in three prepubertal siblings from a Chinese Han family and give appropriate treatment advice. Using whole exome sequencing (WES), we identified a novel homozygous GNRHR mutation (NM_000406; c...
May 16, 2018: Gene
https://www.readbyqxmd.com/read/29777910/differentially-expressed-novel-alternatively-spliced-transcript-variant-of-tumor-suppressor-stk11-gene-in-mouse
#13
Hassan Mubarak Ishqi, Tarique Sarwar, Mohammed Amir Husain, Sayeed Ur Rehman, Mohammad Tabish
Serine/threonine kinase 11 (STK11) is a protein kinase that is encoded by Stk11 gene located on chromosome 19 and 10 in humans and mouse respectively. It acts as a master kinase of adenine monophosphate-activated protein kinase (AMPK) pathway that coordinates the regulation of cellular energy metabolism and cell division. STK11 exerts effect by activating more than 14 kinases including AMPK and AMPK-related kinases. It is also known to regulate cell polarity and acts as tumor suppressor. Alternative splicing of pre-mRNA is a mechanism which results in multiple transcript variants of a single gene...
May 16, 2018: Gene
https://www.readbyqxmd.com/read/29777908/breast-cancer-in-the-gcc-countries-a-focus-on-brca1-2-and-non-brca1-2-genes
#14
REVIEW
Sumaya Rahman, Hatem Zayed
The GCC is an economic alliance of six Arab countries, including Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and United Arab Emirates (UAE). The rate of endogamous marriage among the GCC countries is approaching 100%, with very high consanguineous marriage rates. Although breast cancer is on the rise in the GCC countries, there are dearth of studies reporting on the genetic epidemiology of breast cancer. In this study, we investigated the frequency of BRCA1/2 and non-BRCA1/2 mutations in breast cancer patients in the GCC countries...
May 16, 2018: Gene
https://www.readbyqxmd.com/read/29777907/novel-snps-of-wnk1-and-akr1c3-are-associated-with-preeclampsia
#15
Cheng-Juan Sun, Lin Li, Xueyan Li, Wei-Yuan Zhang, Xiao-Wei Liu
Preeclampsia is a hypertensive disorder of pregnancy and is one of the most common causes of poor perinatal outcomes. Preeclampsia increases the risk of hypertension in the future. Variants of WNK1 (lysine deficient protein kinase 1), ADRB2 (β2 adrenergic receptor), NEDD4L (ubiquitin-protein ligase NEDD4-like), KLK1 (kallikrein 1) contribute to hypertension, and AKR1C3 (aldo-keto reductase family1 member C3), is associated with preeclampsia. The association of single nucleotide polymorphisms (SNPs) in these five candidate preeclampsia susceptibility genes and the related traits in Chinese individuals were investigated...
May 16, 2018: Gene
https://www.readbyqxmd.com/read/29777906/reduced-rar-%C3%AE-gene-expression-in-benzo-a-pyrene-induced-lung-cancer-mice-is-upregulated-by-dotap-lipo-atra-treatment
#16
S Viswanathan, V M Berlin Grace
Molecular targeted therapy for specific genes is an emerging research. Retinoic Acid Receptor (RAR-β) is a key tumor suppressor which is found to be lost drastically during much cancer progression. We hence, analyzed the expression level of RAR-β gene during B(a)P induced lung cancer development in mice and studied the lung cancer targeted action of All Trans Retinoic Acid (ATRA) in DOTAP liposomal formulation. The effect of its treatment on lung cancer was determined by histopathological analysis. RAR-β gene expression was assessed by RT-PCR and qPCR...
May 16, 2018: Gene
https://www.readbyqxmd.com/read/29777900/material-basis-research-for-huangqi-jianzhong-tang-against-chronic-atrophic-gastritis-rats-through-integration-of-urinary-metabonomics-and-systemsdock
#17
Yuetao Liu, Wenqian Xu, GuoHong Wang, Xuemei Qin
ETHNOPHARMACOLOGICAL RELEVANCE: Huangqi Jianzhong Tang (HQJZ), a celebrated traditional Chinese medicine (TCM), is commonly used for treatment of chronic atrophic gastritis (CAG) in China. AIM OF THE STUDY: We aimed to screen out the material basis of HQJZ against CAG. MATERIALS AND METHODS: CAG rat model was constructed by alternant administrations of ammonia solution and sodium deoxycholate, and the hunger disorder method. Body weight, biochemical indexes and histopathological exam were used to evaluate the efficacy of HQJZ...
May 16, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29777899/congenital-dyshormonogenic-hypothyroidism-with-goiter-caused-by-a-sodium-iodide-symporter-slc5a5-mutation-in-a-family-of-shih-tzu-dogs
#18
E A Soler Arias, V A Castillo, J D Garcia, J C Fyfe
An iodide transport defect (ITD) in the thyroid gland was determined to cause congenital dyshormonogenic hypothyroidism with goiter (CDHG) in 2 members of a family of Shih-Tzu dogs. Strikingly, both dogs were also diagnosed with dilated cardiomyopathy at 24 and 1.5 mo of age. The only sign of hypothyroidism was a moderate growth delay in the adult dog. The ITD was recognized by the absence of uptake of technetium-99m in the salivary glands (sg) and goiter observed by scintigraphy. In the same scan, radiopharmaceutical uptake was found in the anterior mediastinum of both dogs and in the right axillary lymph node in the oldest dog...
April 24, 2018: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/29777878/pulmonary-delivery-of-polyplexes-for-combined-pai-1-gene-silencing-and-cxcr4-inhibition-to-treat-lung-fibrosis
#19
B S Ling Ding, B S Chenfei Zhu, M S Fei Yu, M S Pengkai Wu, M S Gang Chen, B S Aftab Ullah, Kaikai Wang, Minjie Sun, Jing Li, David Oupický
This report describes the development of polyplexes based on CXCR4-inhibiting poly(ethylenimine) derivative (PEI-C) for pulmonary delivery of siRNA to silence plasminogen activator inhibitor-1 (siPAI-1) as a new combination treatment of pulmonary fibrosis (PF). Safety and delivery efficacy of the PEI-C/siPAI-1 polyplexes was investigated in vitro in primary lung fibroblasts isolated from mice with bleomycin-induced PF. Biodistribution analysis following intratracheal administration of fluorescently labeled polyplexes showed prolonged retention in the lungs...
May 16, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29777876/poly-adenine-mediated-fluorescent-spherical-nucleic-acid-probes-for-live-cell-imaging-of-endogenous-tumor-related-mrna
#20
Dan Zhu, Dongxia Zhao, Jiaxuan Huang, Yu Zhu, Jie Chao, Shao Su, Jiang Li, Lihua Wang, Jiye Shi, Xiaolei Zuo, Lixing Weng, Qian Li, Lianhui Wang
Identification of tumor-related mRNA in living cells hold great promise for early cancer diagnosis and pathological research. Herein, we present poly-adenine (polyA)-mediated fluorescent spherical nucleic acid (FSNA) probes for intracellular mRNA detection with regulable sensitivities by programmably adjusting the loading density of DNA on gold nano-interface. Gold nanoparticles (AuNPs) functionalized with polyA-tailed recognition sequences were hybridized to fluorescent "reporter" strands to fabricate fluorescence-quenched FSNA probes...
May 16, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
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