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https://www.readbyqxmd.com/read/29793048/dna-methylation-differences-at-the-glucocorticoid-receptor-gene-in-depression-are-related-to-functional-alterations-in-hypothalamic-pituitary-adrenal-axis-activity-and-to-early-life-emotional-abuse
#1
Chloё Farrell, Kelly Doolin, Niamh O' Leary, Chaitra Jairaj, Darren Roddy, Leonardo Tozzi, Derek Morris, Andrew Harkin, Thomas Frodl, Zsófia Nemoda, Moshe Szyf, Linda Booij, Veronica O'Keane
Depression is associated with alterations in hypothalamic-pituitary-adrenal (HPA) axis activity. A proposed mechanism to explain these alterations are changes in DNA methylation levels, secondary to early life adversity (ELA), at stress-related genes. Two gene regions that have been implicated in the literature, the glucocorticoid receptor gene (NR3C1) exon 1F and the FKBP5 gene intron 7 were examined in 67 individuals (33 depressed patients and 34 controls). We investigated whether cortisol concentrations, evaluated in 25 depressed patients and 20 controls, and measures of ELA were associated with the degree of methylation at these candidate gene regions...
May 8, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29792948/comparative-transcriptome-analysis-reveals-significant-differences-in-gene-expression-between-appressoria-and-hyphae-in-colletotrichum-gloeosporioides
#2
Meiyu Wang, Zongshan Zhou, Jianyuan Wu, Zhirui Ji, Junxiang Zhang
Fruit rot caused mainly by Colletotrichum gloeosporioides is a major cause of pre- and/or post-harvest diseases, which seriously constrains production, marketing, and export of fruits. To infect the host, this fungus evolves a specialized infection structure called the appressorium. Extensive past studies have characterized many appressorium-related genes in C. gloeosporioides, separately. However, a comprehensive understanding of the genes contributing to appressorium formation is far from complete. Here, global changes in gene expression were analyzed between appressoria and hyphae using RNA-Seq...
May 21, 2018: Gene
https://www.readbyqxmd.com/read/29792895/pharmacogenomics-of-drug-induced-liver-injury-dili-molecular-biology-to-clinical-applications
#3
REVIEW
Kalaiyarasi Kaliyaperumal, Jane I Grove, Robin M Delahay, William J H Griffiths, Adam Duckworth, Guruprasad P Aithal
A number of drug-specific and host-related factors contribute to the development of drug-induced liver injury (DILI). Investigations focused on genetic susceptibility to DILI have advanced our understanding of the pathogenesis of this rare, yet potentially life-threatening adverse reaction. Candidate gene studies involving well-characterized patients with DILI and drug-exposed controls have identified single nucleotide polymorphisms (SNPs) affecting the metabolism and clearance of specific drugs and hence, influencing individual's susceptibility to DILI...
May 21, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29792508/effects-of-tgf-%C3%AE-overexpression-via-raav-gene-transfer-on-the-early-repair-processes-in-an-osteochondral-defect-model-in-minipigs
#4
Magali Cucchiarini, Ann-Kathrin Asen, Lars Goebel, Jagadeesh K Venkatesan, Gertrud Schmitt, David Zurakowski, Michael D Menger, Matthias W Laschke, Henning Madry
BACKGROUND: Application of the chondrogenic transforming growth factor beta (TGF-β) is an attractive approach to enhance the intrinsic biological activities in damaged articular cartilage, especially when using direct gene transfer strategies based on the clinically relevant recombinant adeno-associated viral (rAAV) vectors. PURPOSE: To evaluate the ability of an rAAV-TGF-β construct to modulate the early repair processes in sites of focal cartilage injury in minipigs in vivo relative to control (reporter lacZ gene) vector treatment...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29792283/repurposing-available-drugs-for-neurodevelopmental-disorders-the-fragile-x-experience
#5
REVIEW
Michael R Tranfaglia, Clare Thibodeaux, Daniel J Mason, David Brown, Ian Roberts, Richard Smith, Tim Guilliams, Patricia Cogram
Many available drugs have been repurposed as treatments for neurodevelopmental disorders. In the specific case of fragile X syndrome, many clinical trials of available drugs have been conducted with the goal of disease modification. In some cases, detailed understanding of basic disease mechanisms has guided the choice of drugs for clinical trials, and several notable successes in fragile X clinical trials have led to common use of drugs such as minocycline in routine medical practice. Newer technologies like Disease-Gene Expression Matching (DGEM) may allow for more rapid identification of promising repurposing candidates...
May 4, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29792121/abcg2-polymorphism-rs2231142-and-hypothyroidism-in-metastatic-renal-cell-carcinoma-patients-treated-with-sunitinib
#6
Emilie Werbrouck, Julie Bastin, Diether Lambrechts, Annelies Verbiest, Thomas Van Brussel, Evelyne Lerut, Jean-Pascal Machiels, Vincent Verschaeve, Vincent Richard, Philip R Debruyne, Brigitte Decallonne, Patrick Schöffski, Oliver Bechter, Pascal Wolter, Benoit Beuselinck
Background and aim Vascular endothelial growth factor receptor tyrosine kinase inhibitors (VEGFR-TKIs) cause significant adverse events including thyroid dysfunction, mainly hypothyroidism, in a considerable proportion of patients. In a series of metastatic renal cell carcinoma (mRCC) patients treated with sunitinib, we aimed to study the correlation between hypothyroidism and single nucleotide polymorphisms (SNPs) in genes involved in sunitinib pharmacokinetics and pharmacodynamics. Patients and methods We included 79 mRCC patients who started sunitinib between November 2005 and March 2016...
May 23, 2018: Acta Clinica Belgica
https://www.readbyqxmd.com/read/29791858/a-multi-layered-quantitative-in-vivo-expression-atlas-of-the-podocyte-unravels-kidney-disease-candidate-genes
#7
Markus M Rinschen, Markus Gödel, Florian Grahammer, Stefan Zschiedrich, Martin Helmstädter, Oliver Kretz, Mostafa Zarei, Daniela A Braun, Sebastian Dittrich, Caroline Pahmeyer, Patricia Schroder, Carolin Teetzen, HeonYung Gee, Ghaleb Daouk, Martin Pohl, Elisa Kuhn, Bernhard Schermer, Victoria Küttner, Melanie Boerries, Hauke Busch, Mario Schiffer, Carsten Bergmann, Marcus Krüger, Friedhelm Hildebrandt, Joern Dengjel, Thomas Benzing, Tobias B Huber
Damage to and loss of glomerular podocytes has been identified as the culprit lesion in progressive kidney diseases. Here, we combine mass spectrometry-based proteomics with mRNA sequencing, bioinformatics, and hypothesis-driven studies to provide a comprehensive and quantitative map of mammalian podocytes that identifies unanticipated signaling pathways. Comparison of the in vivo datasets with proteomics data from podocyte cell cultures showed a limited value of available cell culture models. Moreover, in vivo stable isotope labeling by amino acids uncovered surprisingly rapid synthesis of mitochondrial proteins under steady-state conditions that was perturbed under autophagy-deficient, disease-susceptible conditions...
May 22, 2018: Cell Reports
https://www.readbyqxmd.com/read/29791781/a-dual-role-of-mir-22-in-rhabdomyolysis-induced-acute-kidney-injury-aki
#8
Susanne Mathia, Lucas J Rudigier, Mumtaz Kasim, Karin M Kirschner, Pontus B Persson, Kai-Uwe Eckardt, Christian Rosenberger, Michael Fähling
AIM: In acute kidney injury (AKI) regions of the kidney are hypoxic. However, for reasons yet unknown, adaptation to hypoxia through hypoxia inducible factor (HIF) is limited. Here we studied miR-22, a potential HIF repressor, in normal kidneys, as well as in rhabdomyolysis-induced AKI, a condition where miR-22 is up-regulated. METHODS: AKI in mice was provoked by IM injection of glycerol. Tissue homogenates were processed to determine the levels of candidate RNAs and proteins, as well as global gene expression profiles...
May 23, 2018: Acta Physiologica
https://www.readbyqxmd.com/read/29791065/risk-factors-of-valproic-acid-induced-hyperammonaemia-in-chinese-paediatric-patients-with-epilepsy
#9
Xu Zhu, Xinlin Li, Ti Zhang, Limei Zhao
The present study was aimed at identifying genetic and non-genetic risk factors for valproic acid (VPA)-induced hyperammonaemia in Chinese paediatric patients with epilepsy. A total of 210 epileptic patients, treated with VPA as monotherapy, were enrolled and classified into hyperammonaemia and control groups according to their blood ammonia level (cut-off value 50 μmol/L). Serum concentrations of VPA and its major metabolites were simultaneously determined by ultra-high performance liquid chromatography-tandem mass spectrometry...
May 23, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29790996/dna-methylation-and-inflammation-marker-profiles-associated-with-a-history-of-depression
#10
Bethany Crawford, Zoe Craig, Georgina Mansell, Isobel White, Adam Smith, Steve Spaull, Jennifer Imm, Eilis Hannon, Andrew Wood, Hanieh Yaghootkar, Yingjie Ji, Niamh Mullins, Cathryn M Lewis, Jonathan Mill, Therese M Murphy
Depression is a common and disabling disorder, representing a major social and economic health issue. Moreover, depression is associated with the progression of diseases with an inflammatory etiology including many inflammatory-related disorders. At the molecular level, the mechanisms by which depression might promote the onset of these diseases and associated immune-dysfunction are not well understood. In this study we assessed genome-wide patterns of DNA methylation in whole blood-derived DNA obtained from individuals with a self-reported history of depression (n = 100) and individuals without a history of depression (n = 100) using the Illumina 450K microarray...
May 22, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29790749/anti-inflammatory-activity-of-8-hydroxydaidzein-in-lps-stimulated-bv2-microglial-cells-via-activation-of-nrf2-antioxidant-and-attenuation-of-akt-nf-%C3%AE%C2%BAb-inflammatory-signaling-pathways-as-well-as-inhibition-of-cox-2-activity
#11
Pei-Shan Wu, Hsiou-Yu Ding, Jui-Hung Yen, Shu-Fen Chen, Kuan-Han Lee, Ming-Jiuan Wu
It was demonstrated that isoflavones can cross the blood-brain barrier, making them desirable candidate agents for the prevention of neurological symptoms. 8-Hydroxydaidzein (8-OHD, 4',7,8-trihydoxyisoflavone) is an isoflavone found only in fermented soy food. Current results showed that 8-OHD inhibited LPS-stimulated production of nitric oxide (NO) and proinflammatory cytokines, such as tumor necrosis factor (TNF)-α and interleukin (IL)-6, by inhibiting gene expression in BV2 microglial cells. Moreover, 8-OHD markedly quenched reactive oxygen species (ROS) and activated NF-E2-related factor 2 (Nrf2) so as to upregulate expression of Phase II enzymes, including heme oxygenase (HO)-1, NAD(P)H quinone dehydrogenase 1 (NQO1), and the modifier subunit of glutamate cysteine ligase (GCLM)...
May 23, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29790668/the-effects-of-aberrant-expression-of-lncrna-dgcr5-mir-873-5p-tusc3-in-lung-cancer-cell-progression
#12
Judong Luo, Hong Zhu, Hua Jiang, Yayun Cui, Mengjie Wang, Xinye Ni, Changsheng Ma
Lung cancer is the most common cause of cancer-related mortality worldwide, and nonsmall cell lung cancer (NSCLC) accounts for 80% of all pulmonary carcinomas. Recently, long noncoding RNAs (lncRNAs) have been paid attention for exploring treatment of various diseases. Upregulation of DiGeorge syndrome critical region gene 5 (DGCR5) predicts better lung squamous cell carcinoma prognosis; therefore, we explore the role of DGCR5 in lung cancer in our present study. Consecutive patients with LC were treated in our hospital between January 2015 and January 2016...
May 23, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29790453/thyroid-hypoplasia-in-congenital-hypothyroidism-associated-with-thyroid-peroxidase-mutations
#13
Athanasia Stoupa, Rim Chaabane, Manelle Guériouz, Catherine Raynaud-Ravni, Patrick Nitschke, Christine Bole-Feyset, Mouna Mnif, Leila Ammar Keskes, Mongia Hachicha, Neila Belguith, Michel Polak, Aurore Carré
CONTEXT: Primary congenital hypothyroidism (CH) affects about 1:3000 newborns worldwide and is mainly caused by defects in thyroid gland development (thyroid dysgenesis, TD) or hormone synthesis. A genetic cause is identified in less than 10% of TD patients. Our aim was to identify novel candidate genes in patients with TD using next-generation sequencing tools. PATIENT FINDINGS: We used whole exome sequencing (WES) to study two families, a consanguineous Tunisian family (one child with severe thyroid hypoplasia) and a French family (two newborn siblings, with a thyroid in situ that was not enlarged on ultrasound at diagnosis)...
May 23, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29790167/beware-of-memes-in-the-interpretation-of-your-results-lessons-from-gene-disrupted-mice-in-fertilization-research
#14
Masaru Okabe
For decades, researchers in the fertilization field reported various candidate factors involved in sperm-egg interaction through experiments using enzyme inhibitors and/or antibodies. However, almost all of these factors have been shown to be nonessential by gene-disruption experiments. Recently, attention has focused on the low reproducibility of papers in many research fields. In this Review, I retrospectively revisit how fertilization factors were misinterpreted and led to wrong hypotheses in relation to the reportedly low reproducibility of scientific papers...
May 22, 2018: FEBS Letters
https://www.readbyqxmd.com/read/29790115/n-2-hydroxyphenyl-acetamide-and-its-gold-nanoparticle-conjugation-prevent-glycerol-induced-acute-kidney-injury-by-attenuating-inflammation-and-oxidative-injury-in-mice
#15
Rehan Ahmed Siddiqui, Shabana Usman Simjee, Nurul Kabir, Muhammad Ateeq, M Raza Shah, Syed Saad Hussain
The protective activity of N-(2-hydroxyphenyl)acetamide (NA-2) and NA-2-coated gold nanoparticles (NA-2-AuNPs) in glycerol-treated model of acute kidney injury (AKI) in mice was investigated. NA-2 (50 mg/kg) and NA-2-AuNPs (30 mg/kg) were given to the animals for four days followed by 24-h water deprivation and injection of 50% glycerol (10 ml/kg im). The animals were sacrificed on the next day. Blood and kidneys were collected for biochemical investigations (urea and creatinine), histological studies (hematoxylin and eosin; and periodic acid-Schiff staining), immunohistochemistry (actin and cyclooxygenase-2, Cox-2), and real-time RT-PCR (inducible nitric oxide synthase, iNOS; nuclear factor-κB p50, NFκB; hemeoxygenase-1, HO-1; and kidney injury molecule-1, Kim-1)...
May 22, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29790084/cloning-and-expression-of-nlpa-gene-as-dna-vaccine-candidate-against-acinetobacter-baumannii
#16
Rassoul Hashemzehi, Abbas Doosti, Mohammad Kargar, Mojtaba Jaafarinia
Acinetobacter baumannii is one of the highly antibiotic-resistant bacteria that cause infections with high rate of death. This bacterium is one the common causes of infection worldwide leading to endemic and epidemic nosocomial infections. Despite many efforts, there is no effective vaccine against A. baumannii. As NlpA is one of the important antigenic factors in biogenesis of outer membrane vesicles, and OMV-based reported vaccines in A. baumannii stimulated the immune responses, this study was aimed to clone and express nlpA gene in eukaryotic HDF cells and evaluate the induced immunization following the administration of resulting construct as DNA vaccine in BALB/c mice...
May 22, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/29789962/genome-based-identification-and-analysis-of-ionotropic-receptors-in-spodoptera-litura
#17
Jia-Ying Zhu, Zhi-Wen Xu, Xin-Min Zhang, Nai-Yong Liu
The ability to sense and recognize various classes of compounds is of particular importance for survival and reproduction of insects. Ionotropic receptor (IR), a sub-family of the ionotropic glutamate receptor family, has been identified as one of crucial chemoreceptor super-families, which mediates the sensing of odors and/or tastants, and serves as non-chemosensory functions. Yet, little is known about IR characteristics, evolution, and functions in Lepidoptera. Here, we identify the IR gene repertoire from a destructive polyphagous pest, Spodoptera litura...
May 22, 2018: Die Naturwissenschaften
https://www.readbyqxmd.com/read/29789685/s100a4-protects-mice-from-high-fat-diet-induced-obesity-and-inflammation
#18
Shasha Hou, Ying Jiao, Qi Yuan, Junfeng Zhai, Tian Tian, Kaiji Sun, Zhinan Chen, Zhenlong Wu, Jinhua Zhang
As a member from S100 calcium-binding protein family, S100A4 is ubiquitous and elevated in tumor progression and metastasis, but its role in regulating obesity has not been well characterized. In this study, we showed that S100A4 was mainly expressed by stromal cells in adipose tissue and the S100A4 level in adipose tissue was decreased after high-fat diet (HFD). S100A4 deficient mice exhibited aggravated symptoms of obesity and suppressed insulin signaling after 12 weeks of HFD. Aggravated obesity in S100A4 deficient mice were found to be positively correlated with higher inflammatory status of the liver...
May 22, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29789417/mapping-the-hla-ligandome-of-colorectal-cancer-reveals-an-imprint-of-malignant-cell-transformation
#19
Markus W Löffler, Daniel J Kowalewski, Linus Backert, Jörg Bernhardt, Patrick Adam, Heiko Schuster, Florian Dengler, Daniel Backes, Hans-Georg Kopp, Stefan Beckert, Silvia Wagner, Ingmar Königsrainer, Oliver Kohlbacher, Lothar Kanz, Alfred Königsrainer, Hans-Georg Rammensee, Stefan Stevanovic, Sebastian P Haen
Immune cell infiltrates have proven highly relevant for colorectal carcinoma (CRC) prognosis, making CRC a promising candidate for immunotherapy. Since tumors interact with the immune system via HLA-presented peptide ligands, exact knowledge of the peptidome constitution is fundamental for understanding this relationship. Here we comprehensively describe the naturally presented HLA-ligandome of CRC and corresponding non-malignant colon (NMC) tissue. Mass spectrometry identified 35,367 and 28,132 HLA-class I ligands on CRC and NMC, attributable to 7,684 and 6,312 distinct source proteins, respectively...
May 22, 2018: Cancer Research
https://www.readbyqxmd.com/read/29788925/de-novo-transcriptome-assembly-of-the-eight-major-organs-of-sacha-inchi-plukenetia-volubilis-and-the-identification-of-genes-involved-in-%C3%AE-linolenic-acid-metabolism
#20
Xiao-Di Hu, Bang-Zhen Pan, Qiantang Fu, Longjian Niu, Mao-Sheng Chen, Zeng-Fu Xu
BACKGROUND: Sacha Inchi (Plukenetia volubilis L.), which belongs to the Euphorbiaceae, has been considered a new potential oil crop because of its high content of polyunsaturated fatty acids in its seed oil. The seed oil especially contains high amounts of α-linolenic acid (ALA), which is useful for the prevention of various diseases. However, little is known about the genetic information and genome sequence of Sacha Inchi, which has largely hindered functional genomics and molecular breeding studies...
May 22, 2018: BMC Genomics
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