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https://www.readbyqxmd.com/read/27906437/vitamin-d-receptor-polymorphisms-as-tool-for-early-screening-of-severe-bone-loss-in-women-patients-with-rheumatoid-arthritis
#1
G Di Spigna, A Del Puente, B Covelli, E Abete, E Varriale, S Salzano, L Postiglione
OBJECTIVE: Rheumatoid Arthritis (RA) is an autoimmune inflammatory disease that leads to local and systemic arthritis and bone loss. Exploring genetic markers of candidate genes in osteoporosis and inflammatory cytokine genes could be a useful tool for the early identification of bone loss and fracture risk in RA patients. The target of this study is the evaluation and correlation between of Single Nucleotide Polymorphisms (SNPs) of Vitamin D Receptor (VDR) and possible effects on bone loss in RA...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27905873/comparative-genomics-of-beauveria-bassiana-uncovering-signatures-of-virulence-against-mosquitoes
#2
Claudio A Valero-Jiménez, Luigi Faino, Daphne Spring In't Veld, Sandra Smit, Bas J Zwaan, Jan A L van Kan
BACKGROUND: Entomopathogenic fungi such as Beauveria bassiana are promising biological agents for control of malaria mosquitoes. Indeed, infection with B. bassiana reduces the lifespan of mosquitoes in the laboratory and in the field. Natural isolates of B. bassiana show up to 10-fold differences in virulence between the most and the least virulent isolate. In this study, we sequenced the genomes of five isolates representing the extremes of low/high virulence and three RNA libraries, and applied a genome comparison approach to uncover genetic mechanisms underpinning virulence...
December 1, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27905535/bordetella-pertussis-outer-membrane-vesicle-vaccine-confers-equal-efficacy-in-mice-with-milder-inflammatory-responses-compared-to-a-whole-cell-vaccine
#3
René H M Raeven, Jolanda Brummelman, Jeroen L A Pennings, Larissa van der Maas, Wichard Tilstra, Kina Helm, Elly van Riet, Wim Jiskoot, Cécile A C M van Els, Wanda G H Han, Gideon F A Kersten, Bernard Metz
The demand for improved pertussis vaccines is urgent due to the resurgence of whooping cough. A deeper understanding of the mode of action of pertussis vaccines is required to achieve this improvement. The vaccine-induced effects of a candidate outer membrane vesicle vaccine (omvPV) and a classical protective but reactogenic whole cell vaccine (wPV) were comprehensively compared in mice. The comparison revealed essential qualitative and quantitative differences with respect to immunogenicity and adverse effects for these vaccines...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27905513/whole-genome-scanning-for-the-litter-size-trait-associated-genes-and-snps-under-selection-in-dairy-goat-capra-hircus
#4
Fang-Nong Lai, Hong-Li Zhai, Ming Cheng, Jun-Yu Ma, Shun-Feng Cheng, Wei Ge, Guo-Liang Zhang, Jun-Jie Wang, Rui-Qian Zhang, Xue Wang, Ling-Jiang Min, Jiu-Zhou Song, Wei Shen
Dairy goats are one of the most utilized domesticated animals in China. Here, we selected extreme populations based on differential fecundity in two Laoshan dairy goat populations. Utilizing deep sequencing we have generated 68.7 and 57.8 giga base of sequencing data, and identified 12,458,711 and 12,423,128 SNPs in the low fecundity and high fecundity groups, respectively. Following selective sweep analyses, a number of loci and candidate genes in the two populations were scanned independently. The reproduction related genes CCNB2, AR, ADCY1, DNMT3B, SMAD2, AMHR2, ERBB2, FGFR1, MAP3K12 and THEM4 were specifically selected in the high fecundity group whereas KDM6A, TENM1, SWI5 and CYM were specifically selected in the low fecundity group...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27905279/cloning-of-the-dna-vaccine-candidate-lack-gene-of-leishmania-infantum
#5
Serkan Karaca, Şirin Sahra Ceylan, Süleyman Yazar, Salih Kuk
OBJECTIVE: Leishmaniasis is caused by an obligate intracellular protozoa belonging to Leishmania genus and listed among major tropical diseases by WHO. Because of the high costs, toxicity, and adverse effects of routinely used compounds in the treatment, alternative treatment and vaccine studies are underway. An effective vaccine has not been developed to date. In this study, we aimed to clone one of the most promising DNA vaccine candidates: the homolog-activated C kinase (LACK) gene of Leishmania infantum...
September 2016: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/27904960/active-and-passive-involvement-of-claudins-in-the-pathophysiology-of-intestinal-inflammatory-diseases
#6
REVIEW
Christian Barmeyer, Michael Fromm, Jörg-Dieter Schulzke
Intestinal inflammatory diseases, four of which are discussed here, are associated with alterations of claudins. In ulcerative colitis, diarrhea and antigen entry into the mucosa occurs. Claudin-2 is upregulated but data on other claudins are still limited or vary (e.g., claudin-1 and -4). Apart from that, tight junction changes contribute to diarrhea via a leak flux mechanism, while protection against antigen entry disappears behind epithelial gross lesions (erosions) and apoptotic foci. Crohn's disease is additionally characterized by a claudin-5 and claudin-8 reduction which plays an active role in antigen uptake already before gross lesions appear...
November 30, 2016: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/27904930/micrornas-in-bone-diseases
#7
REVIEW
L Gennari, S Bianciardi, D Merlotti
MicroRNAs are small, noncoding single-stranded RNAs that have emerged as important posttranscriptional regulators of gene expression, with an essential role in vertebrate development and different biological processes. This review highlights the recent advances in the function of miRNAs and their roles in bone remodeling and bone diseases. MicroRNAs (miRNAs) are a class of small (∼22 nt), noncoding single-stranded RNAs that have emerged as important posttranscriptional regulators of gene expression. They are essential for vertebrate development and play critical roles in different biological processes related to cell differentiation, activity, metabolism, and apoptosis...
November 30, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27904045/puerarin-prevents-lps-induced-osteoclast-formation-and-bone-loss-via-inhibition-of-akt-activation
#8
Yun Zhang, Ming Yan, Qing-Feng Yu, Pei-Fan Yang, Hai-Dong Zhang, Yong-Hong Sun, Zhi-Fen Zhang, Yun-Feng Gao
Osteolysis induced by chronic Gram-negative bacterial infection underlies many bone diseases such as osteomyelitis, septic arthritis, and periodontitis. Drugs that inhibit lipopolysaccharide (LPS)-induced osteolysis are critically needed for the prevention of bone destruction in infective bone diseases. In this study, we assessed the effect of puerarin, a natural isoflavone isolated from Pueraria lobata OHWI root, on LPS-induced osteoclastogenesis and bone loss. Our in vitro study showed that puerarin significantly inhibited LPS-induced osteoclast differentiation from osteoclast precursor RAW264...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27903980/identification-of-biomarker-micrornas-for-predicting-the-response-of-colorectal-cancer-to-neoadjuvant-chemoradiotherapy-based-on-microrna-regulatory-network
#9
Yaqun Zhu, Qiliang Peng, Yuxin Lin, Li Zou, Peipei Shen, Feifei Chen, Ming Min, Li Shen, Jiajia Chen, Bairong Shen
Preoperative radiotherapy or chemoradiotherapy has become a standard procedure for treatment of patients with locally advanced colorectal cancer (CRC). However, patients' responses to treatment are different and personalized. MicroRNAs (miRNAs) are promising biomarkers for predicting personalized responses. In this study, we collected 30 publicly reported miRNAs associated with chemoradiotherapy of CRC. We extracted 46 differentially expressed miRNAs from samples of responders and non-responders to preoperative radiotherapy from the Gene Expression Omnibus dataset (Student's t test, p-value < 0...
November 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27903959/genome-wide-haplotype-association-study-identify-the-fgfr2-gene-as-a-risk-gene-for-acute-myeloid-leukemia
#10
Hongchao Lv, Mingming Zhang, Zhenwei Shang, Jin Li, Shanshan Zhang, Duan Lian, Ruijie Zhang
Acute myeloid leukemia (AML) is a cancer of the myeloid line of blood cells, and generally considered to be caused by environment and genetic factors. In this study, we combined a genome-wide haplotype association study (GWHAS) and gene prioritization strategy to mine AML-related genetic affect factors and understand its pathogenesis. A total of 175 AML patients were downloaded from the public GEO database (GSE32462) and 218 matched Caucasian controls were from the HapMap Project. We first identified the linkage disequilibrium (LD) blocks and performed a GWHAS to scan AML-related haplotypes...
November 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27903883/function-driven-discovery-of-disease-genes-in-zebrafish-using-an-integrated-genomics-big-data-resource
#11
Hongseok Shim, Ji Hyun Kim, Chan Yeong Kim, Sohyun Hwang, Hyojin Kim, Sunmo Yang, Ji Eun Lee, Insuk Lee
Whole exome sequencing (WES) accelerates disease gene discovery using rare genetic variants, but further statistical and functional evidence is required to avoid false-discovery. To complement variant-driven disease gene discovery, here we present function-driven disease gene discovery in zebrafish (Danio rerio), a promising human disease model owing to its high anatomical and genomic similarity to humans. To facilitate zebrafish-based function-driven disease gene discovery, we developed a genome-scale co-functional network of zebrafish genes, DanioNet (www...
November 16, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27903752/hexim1-as-a-robust-pharmacodynamic-marker-for-monitoring-target-engagement-of-bet-family-bromodomain-inhibitors-in-tumors-and-surrogate-tissues
#12
Xiaoyu Lin, Xiaoli Huang, Tamar Uziel, Paul Hessler, Daniel H Albert, Lisa A Roberts-Rapp, Keith F McDaniel, Warren M Kati, Yu Shen
An increasing number of BET family protein inhibitors have recently entered clinical trials. It has been reported that attempts of monitoring target engagement of the BET bromodomain inhibitor OTX015 using literature-described putative pharmacodynamic (PD) markers such as c-Myc, BRD2, etc. failed to detect PD marker responses in AML patients treated at active dose and those with clinical responses. Here we report the identification and characterization of HEXIM1 and other genes as robust PD markers for BET inhibitors...
November 30, 2016: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27903631/genomics-of-compensatory-adaptation-in-experimental-populations-of-aspergillus-nidulans
#13
Jeremy R Dettman, Nicolas Rodrigue, Sijmen E Schoustra, Rees Kassen
Knowledge of the number and nature of genetic changes responsible for adaptation is essential for understanding and predicting evolutionary trajectories. Here, we study the genomic basis of compensatory adaptation to the fitness cost of fungicide resistance in experimentally evolved strains of the filamentous fungus Aspergillus nidulans The original selection experiment tracked the fitness recovery of lines founded by an ancestral strain that was resistant to fludioxonil, but paid a fitness cost in the absence of the fungicide...
November 30, 2016: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/27903283/systematic-analysis-of-chromatin-interactions-at-disease-associated-loci-links-novel-candidate-genes-to-inflammatory-bowel-disease
#14
Claartje A Meddens, Magdalena Harakalova, Noortje A M van den Dungen, Hassan Foroughi Asl, Hemme J Hijma, Edwin P J G Cuppen, Johan L M Björkegren, Folkert W Asselbergs, Edward E S Nieuwenhuis, Michal Mokry
BACKGROUND: Genome-wide association studies (GWAS) have revealed many susceptibility loci for complex genetic diseases. For most loci, the causal genes have not been identified. Currently, the identification of candidate genes is predominantly based on genes that localize close to or within identified loci. We have recently shown that 92 of the 163 inflammatory bowel disease (IBD)-loci co-localize with non-coding DNA regulatory elements (DREs). Mutations in DREs can contribute to IBD pathogenesis through dysregulation of gene expression...
November 30, 2016: Genome Biology
https://www.readbyqxmd.com/read/27903276/accurate-prediction-of-response-to-endocrine-therapy-in-breast-cancer-patients-current-and-future-biomarkers
#15
REVIEW
Cigdem Selli, J Michael Dixon, Andrew H Sims
Approximately 70% of patients have breast cancers that are oestrogen receptor alpha positive (ER+) and are therefore candidates for endocrine treatment. Many of these patients relapse in the years during or following completion of adjuvant endocrine therapy. Thus, many ER+ cancers have primary resistance or develop resistance to endocrine therapy during treatment. Recent improvements in our understanding of how tumours evolve during treatment with endocrine agents have identified both changes in gene expression and mutational profiles, in the primary cancer as well as in circulating tumour cells...
December 1, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27903268/long-term-outdoor-air-pollution-and-dna-methylation-in-circulating-monocytes-results-from-the-multi-ethnic-study-of-atherosclerosis-mesa
#16
Gloria C Chi, Yongmei Liu, James W MacDonald, R Graham Barr, Kathleen M Donohue, Mark D Hensley, Lifang Hou, Charles E McCall, Lindsay M Reynolds, David S Siscovick, Joel D Kaufman
BACKGROUND: DNA methylation may mediate effects of air pollution on cardiovascular disease. The association between long-term air pollution exposure and DNA methylation in monocytes, which are central to atherosclerosis, has not been studied. We investigated the association between long-term ambient air pollution exposure and DNA methylation (candidate sites and global) in monocytes of adults (aged ≥55). METHODS: One-year average ambient fine particulate matter (PM2...
December 1, 2016: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/27902881/the-chimeric-nature-of-the-genomes-of-marine-magnetotactic-coccoid-ovoid-bacteria-defines-a-novel-group-of-proteobacteria
#17
Boyang Ji, Sheng-Da Zhang, Wei-Jia Zhang, Zoe Rouy, François Alberto, Claire-Lise Santini, Sophie Mangenot, Séverine Gagnot, Nadège Philippe, Nathalie Pradel, Lichen Zhang, Sébastien Tempel, Ying Li, Claudine Médigue, Bernard Henrissat, Pedro M Coutinho, Valérie Barbe, Emmanuel Talla, Long-Fei Wu
Magnetotactic bacteria (MTB) are a group of phylogenetically and physiologically diverse Gram-negative bacteria that synthesize intracellular magnetic crystals named magnetosomes. MTB are affiliated with three classes of Proteobacteria phylum, Nitrospirae phylum, Omnitrophica phylum and probably with the candidate phylum Latescibacteria. The evolutionary origin and physiological diversity of MTB compared to other bacterial taxonomic groups remain to be illustrated. Here, we analyzed the genome of the marine magneto-ovoid strain MO-1 and found that it is closely related to Magnetococcus marinus MC-1...
November 30, 2016: Environmental Microbiology
https://www.readbyqxmd.com/read/27902802/identification-and-characterization-of-quantitative-trait-loci-for-shattering-in-rice-landrace-jiucaiqing-from-taihu-lake-valley-china
#18
Jinping Cheng, Yongqi He, Chengfang Zhan, Bin Yang, Enshun Xu, Hongsheng Zhang, Zhoufei Wang
Easy shattering reduces yield from grain loss during rice ( L.) harvest. We characterized a nonshattering rice landrace Jiucaiqing from Taihu Lake valley in China. The breaking tensile strength (BTS; grams force, gf) of the grain pedicel was measured using a digital force gauge to evaluate the degree of shattering at 0, 7, 14, 21, 28, and 35 d after heading (DAH). The BTS of Jiucaiqing did not significantly decrease with increasing DAH, maintaining a level of 152.2 to 195.9 gf, while that of IR26 decreased greatly during 0 to 14 DAH and finally stabilized at ∼100 gf...
November 2016: Plant Genome
https://www.readbyqxmd.com/read/27902795/genome-wide-association-study-identifies-candidate-loci-underlying-agronomic-traits-in-a-middle-american-diversity-panel-of-common-bean
#19
Samira Mafi Moghaddam, Sujan Mamidi, Juan M Osorno, Rian Lee, Mark Brick, James Kelly, Phillip Miklas, Carlos Urrea, Qijian Song, Perry Cregan, Jane Grimwood, Jeremy Schmutz, Phillip E McClean
Common bean ( L.) breeding programs aim to improve both agronomic and seed characteristics traits. However, the genetic architecture of the many traits that affect common bean production are not completely understood. Genome-wide association studies (GWAS) provide an experimental approach to identify genomic regions where important candidate genes are located. A panel of 280 modern bean genotypes from race Mesoamerica, referred to as the Middle American Diversity Panel (MDP), were grown in four US locations, and a GWAS using >150,000 single-nucleotide polymorphisms (SNPs) (minor allele frequency [MAF] ≥ 5%) was conducted for six agronomic traits...
November 2016: Plant Genome
https://www.readbyqxmd.com/read/27902776/inhibition-of-candida-albicans-biofilm-formation-by-the-synthetic-lactoferricin-derived-peptide-hlf1-11
#20
Paola Morici, Roberta Fais, Cosmeri Rizzato, Arianna Tavanti, Antonella Lupetti
The aim of this study was to evaluate the in vitro activity of the synthetic peptide hLF1-11 against biofilm produced by clinical isolates of Candida albicans with different fluconazole susceptibility. The antibiofilm activity of the peptide hLF1-11 was assessed in terms of reduction of biofilm cellular density, metabolic activity and sessile cell viability. The extent of morphogenesis in hLF1-11 treated and untreated biofilms was also investigated microscopically. Transcription levels of genes related to cell adhesion, hyphal development and extracellular matrix production were analysed by qRT-PCR in hLF1-11 treated and untreated biofilms...
2016: PloS One
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