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https://www.readbyqxmd.com/read/28535616/drug-induced-osteonecrosis-of-the-jaw-the-state-of-the-art
#1
A Fassio, F Bertoldo, L Idolazzi, O Viapiana, M Rossini, D Gatti
Osteonecrosis of the jaw (ONJ) is a rare adverse event of antiresorptive drugs such as bisphosphonates (BP) and denosumab (DMAb). The diagnosis of ONJ is considered in cases where exposed bone in the maxillofacial region does not heal within 8 weeks in a patient previously treated with an antiresorptive agent. In patients with osteoporosis, ONJ is reported as a very rare adverse event while in oncologic patients with bone metastases or malignant hypercalcemia the incidence is significantly higher (up to the 1-10% of the patients)...
May 22, 2017: Reumatismo
https://www.readbyqxmd.com/read/28535279/identification-of-forensically-important-blow-flies-diptera-calliphoridae-in-china-based-on-coi
#2
Fanming Meng, Lipin Ren, Ziyue Wang, Jianqiang Deng, Yadong Guo, Chao Chen, Dmitrijs Finkelbergs, Jifeng Cai
Blow flies are among the most important insects in forensic entomology casework. Identification of blow fly species can be a time consuming and difficult task, especially at their early development stages. Present DNA-based technologies provide a promising identification method for these forensically important calliphorids. The cytochrome oxidase subunit I (COI) sequence has been applied as a suitable DNA marker in calliphorid identification for many years; however, limitation exists in using short sequence to determine genetically close species...
May 23, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28535266/mechanism-of-bacterial-gene-rearrangement-spra-catalyzed-precise-dna-recombination-and-its-directionality-control-by-sprb-ensure-the-gene-rearrangement-and-stable-expression-of-spsm-during-sporulation-in-bacillus-subtilis
#3
Kimihiro Abe, Takuo Takamatsu, Tsutomu Sato
A sporulation-specific gene, spsM, is disrupted by an active prophage, SPβ, in the genome of Bacillus subtilis. SPβ excision is required for two critical steps: the onset of the phage lytic cycle and the reconstitution of the spsM-coding frame during sporulation. Our in vitro study demonstrated that SprA, a serine-type integrase, catalyzed integration and excision reactions between attP of SPβ and attB within spsM, while SprB, a recombination directionality factor, was necessary only for the excision between attL and attR in the SPβ lysogenic chromosome...
May 23, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28534690/decreased-left-atrial-myocardial-strain-in-patients-with-suboptimal-blood-pressure-control
#4
Xiao-Jing Chen, Chen Chen, Yu-Jia Liang, Xi-Lian Gao, Jing Jiang, Yu Kang, Yu-Cheng Chen, Qing Zhang, Zhi Zeng
BACKGROUND: Suboptimal blood pressure (BP) control is commonly observed in patients receiving antihypertensive agents, but the relationship between uncontrolled BP and left atrial (LA) impairment remains unknown. METHODS: This study enrolled 279 hypertensive patients who had been medicated, as well as 85 matched normal controls. The BP of systolic <140 mmHg and diastolic<90 mmHg was defined as optimal (HT1 group, n=146), otherwise as suboptimal BP control (HT2 group, n = 133)...
May 23, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28534318/association-between-inflammatory-skin-disease-and-cardiovascular-and-cerebrovascular-co-morbidities-in-us-adults-analysis-of-nationwide-inpatient-sample-data
#5
Michael C Kwa, Jonathan I Silverberg
BACKGROUND: Psoriasis, atopic dermatitis or eczema (AD-E), pemphigus, bullous pemphigoid (BP), and hidradenitis are chronic inflammatory skin disorders associated with systemic immune activation, considerable symptom burden, stigma, functional disturbances, and mental health symptoms. All of these might increase cardiovascular risk. OBJECTIVE: The objective of this study was to determine whether these inflammatory skin diseases are associated with increased cardiovascular/cerebrovascular risk and/or disease...
May 22, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28534180/the-c-terminal-kinesin-motor-kifc1-may-participate-in-nuclear-reshaping-and-flagellum-formation-during-spermiogenesis-of-larimichthys-crocea
#6
Dan-Dan Zhang, Xin-Ming Gao, Yong-Qiang Zhao, Cong-Cong Hou, Jun-Quan Zhu
Spermatogenesis is a highly ordered process in the differentiation of male germ cells. Nuclear morphogenesis is one of the most fundamental cellular transformations to take place during spermatogenesis. These striking transformations from spermatogonia to spermatozoa are a result of phase-specific adaption of the cytoskeleton and its association with molecular motor proteins. KIFC1 is a C-terminal kinesin motor protein that plays an essential role in acrosome formation and nuclear reshaping during spermiogenesis in mammals...
May 23, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28534123/attention-deficit-hyperactivity-disorder-symptoms-and-psychological-comorbidity-in-eating-disorder-patients
#7
L Sala, G Martinotti, M L Carenti, L Romo, M Oumaya, A Pham-Scottez, F Rouillon, P Gorwood, L Janiri
PURPOSE: There is some evidence that eating disorders (ED) and Attention-deficit/hyperactivity disorder (ADHD) share common clinical features and that ADHD might contribute to the severity of eating disorders. A greater understanding of how the presence of comorbid ADHD may affect the psychopathological framework of eating disorder seems of primary importance. The aim of our study was to evaluate rates of ADHD in three ED subgroups of inpatients: anorexia nervosa restricting type (AN-R), anorexia nervosa binge-eating/purging type (AN-BP) and bulimia nervosa (BN)...
May 22, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28534121/organic-anion-transporters-oat1-and-oat3-are-crucial-biopterin-transporters-involved-in-bodily-distribution-of-tetrahydrobiopterin-and-exclusion-of-its-excess
#8
Akiko Ohashi, Kaori Mamada, Tomonori Harada, Masako Naito, Tomihisa Takahashi, Shin Aizawa, Hiroyuki Hasegawa
Tetrahydrobiopterin (BH4) is a common coenzyme of phenylalanine-, tyrosine-, and tryptophan hydroxylases, alkylglycerol monooxygenase, and NO synthases (NOS). Synthetic BH4 is used medicinally for BH4-responsive phenylketonuria and inherited BH4 deficiency. BH4 supplementation has also drawn attention as a therapy for various NOS-related cardio-vascular diseases, but its use has met with limited success in decreasing BH2, the oxidized form of BH4. An increase in the BH2/BH4 ratio leads to NOS dysfunction. Previous studies revealed that BH4 supplementation caused a rapid urinary loss of BH4 accompanied by an increase in the blood BH2/BH4 ratio and an involvement of probenecid-sensitive but unknown transporters was strongly suggested in these processes...
May 22, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28533973/plastomes-of-the-green-algae-hydrodictyon-reticulatum-and-pediastrum-duplex-sphaeropleales-chlorophyceae
#9
Hilary A McManus, Daniel J Sanchez, Kenneth G Karol
BACKGROUND: Comparative studies of chloroplast genomes (plastomes) across the Chlorophyceae are revealing dynamic patterns of size variation, gene content, and genome rearrangements. Phylogenomic analyses are improving resolution of relationships, and uncovering novel lineages as new plastomes continue to be characterized. To gain further insight into the evolution of the chlorophyte plastome and increase the number of representative plastomes for the Sphaeropleales, this study presents two fully sequenced plastomes from the green algal family Hydrodictyaceae (Sphaeropleales, Chlorophyceae), one from Hydrodictyon reticulatum and the other from Pediastrum duplex...
2017: PeerJ
https://www.readbyqxmd.com/read/28533549/population-genetics-of-an-alien-whitefly-in-china-implications-for-its-dispersal-and-invasion-success
#10
Hong-Ran Li, Hui-Peng Pan, Yun-Li Tao, You-Jun Zhang, Dong Chu
Invasive genotypes may be associated with their ability to access the invasion habitat. The whitefly, Bemisia tabaci Q, has been an important agricultural pest in China since 2008. In order to identify the invasion routes and to provide insight into its invasion success in China, we analyzed the composition, distribution, and genetic diversity of mitochondrial haplotypes of B. tabaci Q. Samples were obtained from 23 provincial level administrative units in 2011, and analyses conducted based on the mtCOI. Our results revealed five haplotypes (abbreviated as Q1H1-Q1H5) were present in the Q1 subclade based on 773-bp mtCOI fragment analysis...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28533374/unique-clade-of-alphaproteobacterial-endosymbionts-induces-complete-cytoplasmic-incompatibility-in-the-coconut-beetle
#11
Shun-Ichiro Takano, Midori Tuda, Keiji Takasu, Naruto Furuya, Yuya Imamura, Sangwan Kim, Kosuke Tashiro, Kazuhiro Iiyama, Matias Tavares, Acacio Cardoso Amaral
Maternally inherited bacterial endosymbionts in arthropods manipulate host reproduction to increase the fitness of infected females. Cytoplasmic incompatibility (CI) is one such manipulation, in which uninfected females produce few or no offspring when they mate with infected males. To date, two bacterial endosymbionts, Wolbachia and Cardinium, have been reported as CI inducers. Only Wolbachia induces complete CI, which causes 100% offspring mortality in incompatible crosses. Here we report a third CI inducer that belongs to a unique clade of Alphaproteobacteria detected within the coconut beetle, Brontispa longissima This beetle comprises two cryptic species, the Asian clade and the Pacific clade, which show incompatibility in hybrid crosses...
May 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28533330/race-and-sex-differences-of-long-term-blood-pressure-profiles-from-childhood-and-adult-hypertension-the-bogalusa-heart-study
#12
Wei Shen, Tao Zhang, Shengxu Li, Huijie Zhang, Bo Xi, Hongbing Shen, Camilo Fernandez, Lydia Bazzano, Jiang He, Wei Chen
This study aims to characterize longitudinal blood pressure (BP) trajectories from childhood in black-white and sex groups and examine the association between childhood level-independent trajectories of BP and adult hypertension. The longitudinal cohort consisted of 2732 adults who had body mass index and BP measured 4 to 15 times from childhood (4-19 years) to adulthood (20-51 years). Model-estimated levels and linear slopes of BP and body mass index at childhood age points were calculated at 1-year intervals using the growth curve parameters and their first derivatives, respectively...
May 22, 2017: Hypertension
https://www.readbyqxmd.com/read/28533305/changes-in-cardiovascular-disease-risk-factors-with-immediate-versus-deferred-antiretroviral-therapy-initiation-among-hiv-positive-participants-in-the-start-strategic-timing-of-antiretroviral-treatment-trial
#13
Jason V Baker, Shweta Sharma, Amit C Achhra, Jose Ignacio Bernardino, Johannes R Bogner, Daniel Duprez, Sean Emery, Brian Gazzard, Jonathan Gordin, Greg Grandits, Andrew N Phillips, Siegfried Schwarze, Elsayed Z Soliman, Stephen A Spector, Giuseppe Tambussi, Jens Lundgren
INTRODUCTION: HIV infection and certain antiretroviral therapy (ART) medications increase atherosclerotic cardiovascular disease risk, mediated, in part, through traditional cardiovascular disease risk factors. METHODS AND RESULTS: We studied cardiovascular disease risk factor changes in the START (Strategic Timing of Antiretroviral Treatment) trial, a randomized study of immediate versus deferred ART initiation among HIV-positive persons with CD4(+) cell counts >500 cells/mm(3)...
May 22, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28533245/clonal-dissemination-of-oxa-232-carbapenenase-producing-klebsiella-pneumoniae-in-neonates
#14
Dandan Yin, Dong Dong, Ke Li, Lei Zhang, Jianliang Liang, Yang Yang, Nana Wu, Yiyan Bao, Chuanqing Wang, Fupin Hu
Five OXA-232 carbapenemase-producing Klebsiella pneumoniae were isolated from neonates, belonging to the pandemic clone ST15, and co-produced blaCTX-M-15 and blaSHV-1 genes. All isolates were resistant to ertapenem (MIC>32μg/mL) and meropenem (4-8μg/mL), susceptible or intermediate to impenem (1-2μg/mL). The blaOXA-232 was located on a ColE-type transformable plasmid of 6,141 bp. To our best knowledge, this is the first report of OXA-232 carbapenemase among clinical isolates in China.
May 22, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28533235/the-tet39-determinant-and-the-msre-mphe-genes-in-acinetobacter-plasmids-are-each-part-of-discrete-modules-flanked-by-inversely-oriented-pdif-xerc-xerd-sites
#15
Grace A Blackwell, Ruth M Hall
The tet39 tetracycline resistance determinant and the macrolide resistance genes msrE and mphE were found in an 18.2 kb plasmid, pS30-1, recovered from a GC2 Acinetobacter baumannii isolate from Singapore, that conferred resistance to tetracycline and erythromycin. pS30-1 also contains mobA and mobC genes encoding MOBQ family proteins but attempts to mobilise pS30-1 utilising a co-resident conjugative repAci6 plasmid were unsuccessful. Eight pdif sites, consisting of inversely-oriented binding sites for the XerC and XerD recombinases separated by 6 bp, were detected in pS30-1...
May 22, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28533186/delayed-identification-of-acinetobacter-baumannii-during-an-outbreak-owing-to-disrupted-blaoxa-51-like-by-isaba19
#16
Amjad Ahmadi, Himen Salimizand
Early detection of Acinetobacter baumannii, an emerging pathogen in hospital settings, is of interest. The blaOXA-51-like family had been used as a marker to detect A. baumannii. During an infection outbreak, 14 isolates produced a 1.7-kb PCR band instead of 353 bp for this marker. This work sought the reasons behind the increased marker size. Characterisation of isolates was done by API-20NE, gyrB multiplex PCR and 16S-23S rRNA ITS sequencing. The 1.7-kb band generated and the complete blaOXA-51-like variant were sequenced to find the probable integrated element...
May 19, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28532684/quantitative-determination-of-testosterone-levels-with-biolayer-interferometry
#17
Hao Zhang, Wei Li, Hong Luo, Guangming Xiong, Yuanhua Yu
Natural and synthetic steroid hormones are widely spread in the environment and are considered as pollutants due to their endocrine activities, even at low concentrations, which are harmful to human health. To detect steroid hormones in the environment, a novel biosensor system was developed based on the principle of biolayer interferometry. Detection is based on changes in the interference pattern of white light reflected from the surface of an optical fiber with bound biomolecules. Monitoring interactions between molecules does not require radioactive, enzymatic, or fluorescent labels...
May 19, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28532532/global-phylogenetic-relationships-population-structure-and-gene-flow-estimation-of-trialeurodes-vaporariorum-greenhouse-whitefly
#18
J M Wainaina, P De Barro, L Kubatko, M A Kehoe, J Harvey, D Karanja, L M Boykin
Trialeurodes vaporariorum (Westwood, 1856) (Greenhouse whitefly) is an agricultural pest of global importance. It is associated with damage to plants during feeding and subsequent virus transmission. Yet, global phylogenetic relationships, population structure, and estimation of the rates of gene flow within this whitefly species remain largely unexplored. In this study, we obtained and filtered 227 GenBank records of mitochondrial cytochrome c oxidase I (mtCOI) sequences of T. vaporariorum, across various global locations to obtain a final set of 217 GenBank records...
May 23, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28532517/expression-of-cocaine-and-amphetamine-regulated-transcript-cart-in-hen-ovary
#19
Pengfei Li, Xuejing Yu, Jianshan Xie, Xiaolei Yao, Wenzhong Liu, Jianbo Yao, Zhiwei Zhu, Lihua Lyu
BACKGROUND: Cocaine- and amphetamine-regulated transcript (CART), discovered initially by via differential display RT-PCR analysis of brains of rats administered cocaine, is expressed mainly in central nervous system or neuronal origin cells, and is involved in a wide range of behaviors, such as regulation of food intake, energy homeostasis, and reproduction. The hens egg-laying rate mainly depends on the developmental status of follicles, expression of CART have not been identified from hen follicles, the regulatory mechanisms of CART biological activities are still unknown...
May 22, 2017: Biological Research
https://www.readbyqxmd.com/read/28531561/a-meta-analysis-of-neurocognition-in-youth-with-familial-high-risk-for-bipolar-disorder
#20
E Bora, A Özerdem
OBJECTIVE: Neuropsychological impairment, including deficits in social cognition is evident in subjects at genetic high-risk for psychosis. However, findings in youth at genetic risk to bipolar disorder (BP) have been suggested to be less supportive of premorbid deficits. We aimed to conduct a meta-analysis of cognitive deficits in youth with familiar risk for bipolar disorder (FHR-BD). METHODS: A novel meta-analysis of FHR-BD (mean age 10-25), including 18 studies (786 offsprings/siblings of patients with BD and 794 healthy controls), was conducted...
March 3, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
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