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https://www.readbyqxmd.com/read/29141350/-comparison-of-different-methods-in-dealing-with-hiv-viral-load-data-with-diversified-missing-value-mechanism-on-hiv-positive-msm
#1
Z Jiang, Z Dou, W L Song, J Xu, Z Y Wu
Objective: To compare results of different methods: in organizing HIV viral load (VL) data with missing values mechanism. Methods We used software SPSS 17.0 to simulate complete and missing data with different missing value mechanism from HIV viral loading data collected from MSM in 16 cities in China in 2013. Maximum Likelihood Methods Using the Expectation and Maximization Algorithm (EM), regressive method, mean imputation, delete method, and Markov Chain Monte Carlo (MCMC) were used to supplement missing data respectively...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29141347/-antimicrobial-resistance-and-molecular-subtypes-of-salmonella-typhi-and-salmonella-paratyphoid-isolates-from-jiangsu-province-2012-2015
#2
X X Kong, C Dong, H Ji, Y Wang, C C Bao, X Huo, H M Qian
Objective: To retrospectively analyze the antimicrobial resistance phenotype and molecular typing characteristics of Salmonella (S.) typhi and S. paratyphi in Jiangsu province from 2012 to 2015. Methods: The samples were collected from typhoid and paratyphoid patients in Jiangsu province. The biochemical identification and serotyping were carried out after isolation and culture. Kirby-Bauer (K-B) testing was used to detect the drug susceptibility of the strains. The molecular typing characteristics of S. typhi and S...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29141346/-etiologic-characteristics-of-shigella-sonnei-strains-isolated-from-some-areas-of-guangdong-province-and-guangxi-zhuang-autonomous-region-of-china-2014-2016
#3
B S Li, L J Chen, B X Ke, J M Lin, L Q Xu, H L Tan, D M He, Y H Liang, C W Ke, Y H Zhang
Objective: To investigated the etiologic characteristics of Shigella (S.) sonnei strains causing outbreaks and sporadic cases in some areas of Guangdong province and Guangxi Zhuang Autonomous Region during 2014-2016. Methods: Fourteen S. sonnei strains isolated from outbreaks and 6 S. sonnei strains from sporadic cases from Guangdong and Liuzhou of Guangxi Zhuang Autonomous Region were tested for antimicrobial resistance and analyzed by pulsed-field gel electrophoresis (PFGE). Six typical strains were selected for whole genome sequencing typing and compared with 51 strains isolated both at home and abroad from NCBI genome database...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29141337/-epidemiology-of-imported-infectious-diseases-in-china-2013-2016
#4
Y L Wang, X Wang, R Q Ren, L Zhou, W W Tu, D X Ni, Q Li, Z J Feng, Y P Zhang
Objective: To describe the epidemic of imported infectious diseases in China between 2013 and 2016, including the kinds of infectious diseases, affected provinces, source countries and the epidemiological characteristics, and provide scientific information for the prevention and control of imported infectious diseases. Methods: Data of cases of imported infectious diseases in China from 2013 to 2016 were collected from national information reporting system of infectious diseases, Microsoft Excel 2010 and SPSS 18...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29141328/-association-between-smoking-smoking-cessation-and-glycemic-control-in-male-patients-with-type-2-diabetes
#5
J Su, Y Qin, C Shen, Y Gao, E C Pan, X Q Pan, R Tao, Y Q Zhang, M Wu
Objective: To explore the association of smoking and smoking cessation with glycemic control in male patients with type 2 diabetes. Methods: From December 2013 to January 2014, a total of 7 763 male patients with type 2 diabetes, who received national basic public health service in Changshu county of Suzhou city, Huai'an and Qinghe districts of Huai'an city, Jiangsu province, were recruited by cluster sampling. Questionnaire survey and anthropometric measurements were conducted, and fasting plasma glucose (FPG) and hemoglobin A1c (HbA1c) levels were measured...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29141320/-diagnosis-of-one-child-herpes-simplex-virus-type-1-encephalitis-with-next-generation-sequencing
#6
J Z Zhang, Q Chen, P Zheng
No abstract text is available yet for this article.
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29141319/-homozygous-ectonucleotide-pyrophosphatase-phosphodiesterase-1-variants-in-a-girl-with-hypophosphatemic-rickets-and-literature-review
#7
Z Q Liu, X B Chen, F Y Song, K Gao, M F Qiu, Y Qian, M Du
Objective: To investigate the clinical features and genetic characteristics of patients with ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1) gene variants. Method: The clinical data of a patient with ENPP1 homozygous variants from Capital Institute of Pediatrics was collected, the related literature was searched from China National Knowledge Infrastructure, Wanfang Data Knowledge Service Platform, National Center from Biotechnology Information and PubMed by using search term "ENPP1" , "hypophosphatemic rickets" ...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29141317/-study-of-gene-mutation-in-62-hemophilia-a-children
#8
Q Hu, A G Liu, L Q Zhang, A Zhang, Y Q Wang, S M Wang, Y J Lu, X Wang
Objective: To analyze the mutation type of FⅧ gene in children with hemophilia A and to explore the relationship among hemophilia gene mutation spectrum, gene mutation and clinical phenotype. Method: Sixty-two children with hemophilia A from Department of Pediatric Hematology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology between January 2015 and March 2017 were enrolled. All patients were male, aged from 4 months to 7 years and F Ⅷ activity ranged 0.2%-11.0%. Fifty cases had severe, 10 cases had moderate and 2 cases had mild hemophilia A...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29141312/-clinical-manifestation-and-gene-analyses-of-15-patients-with-intellectual-disability-or-developmental-delay-complicated-with-congenital-nystagmus
#9
Z J Gao, Q Jiang, Q Chen, K M Xu, Z Q Liu, X B Chen, X L Chen
Objective: To analyze the clinical and genetic features of 15 cases with intellectual disability or developmental delay (ID/DD) complicated with congenital nystagmus. Method: The clinical characteristics and the results of laboratory tests, images and genetics of 15 patients with ID/DD complicated with congenital nystagmus, confirmed by gene diagnosis in the Department of Neurology, Children's Hospital Affiliated to Capital Institute of Pediatrics from March 2015 to October 2016, were retrospectively analyzed...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29141288/-application-of-stroboscopy-and-narrow-band-imaging-endoscopy-in-the-diagnosis-of-vocal-cord-leukoplakia
#10
J Li, W Xu, L Y Cheng
Objective: To investigate the value of stroboscopy and narrow band imaging (NBI)endoscopy in the diagnosis of vocal cord leukoplakia. Methods: Two hundred and forty-six patients with vocal cord leukoplakia who underwent laryngeal microsurgery and diagnosed by histopathology were recruited between August 2014 and July 2016 in this retrospective study. The diagnostic accuracy of stroboscopy and narrow band imaging endoscopy in the diagnosis of vocal cord leukoplakia was compared. SPSS21.0 software was used to analyze the data...
November 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29141273/antidepressant-use-during-pregnancy-and-childhood-cancer-in-the-offspring
#11
Natalie C Momen, Trine Munk-Olsen, Jiong Li, Katja G Ingstrup, Jørn Olsen, Veerle Bergink, Xiaoqin Liu
PURPOSE: Antidepressant use during pregnancy has been increasing in recent years. We evaluated whether in utero exposure to antidepressants increased the risk of childhood cancer. METHODS: This population-based cohort study using national registers in Denmark comprised 915 128 liveborn singletons during 1998-2012. We categorised children into three mutually exclusive exposure groups according to maternal redemption of an antidepressant prescription from 2 years before pregnancy until delivery of the index child: Unexposed (N = 863 033), prior user (use before but not during pregnancy) (N = 30 607), and use during pregnancy (N = 21 488)...
November 15, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/29141245/roscovitine-a-cdk5-inhibitor-alleviates-sevoflurane-induced-cognitive-dysfunction-via-regulation-tau-gsk3%C3%AE-and-erk-ppar%C3%AE-creb-signaling
#12
Jianhui Liu, Junjun Yang, Yinhua Xu, Gang Guo, Li Cai, Heng Wu, Yanhong Zhao, Xiaoqing Zhang
BACKGROUND/AIMS: Multiple exposures to anesthesia in children may increase the risk of developing cognitive impairment. Sevoflurane is an anesthetic that is commonly used in children during surgery. Cyclin-dependent kinase (CDK) 5 is involved in the regulation of sevoflurane-induced cognitive dysfunction, but the mechanistic details remain unclear. The present study evaluated the mechanism by which CDK5 mediates sevoflurane-induced cognitive dysfunction in mice. METHODS: Hippocampal neurons were isolated from postnatal day 0 C57BL/6 mouse pups...
November 15, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29141241/mmp-9-and-its-regulators-timp-1-and-emmprin-in-patients-with-acute-st-elevation-myocardial-infarction-a-nordistemi-substudy
#13
Trine Baur Opstad, Ingebjørg Seljeflot, Ellen Bøhmer, Harald Arnesen, Sigrun Halvorsen
OBJECTIVES: The extracellular matrix is involved in wound repair after acute myocardial infarction (AMI). We investigated whether matrix metalloproteinase (MMP)-9, tissue inhibitor of metalloproteinases (TIMP)-1, and the MMP inducer (EMMPRIN) are associated with infarct size, left ventricular function, and clinical outcome in ST-elevation-MI (STEMI). METHODS: In 243 STEMI patients, circulating EMMPRIN, MMP-9, and TIMP-1 were analyzed 3 days and 3 months post-AMI...
November 16, 2017: Cardiology
https://www.readbyqxmd.com/read/29141239/exposing-toxoplasma-gondii-hiding-inside-the-vacuole-a-role-for-gbps-autophagy-and-host-cell-death
#14
REVIEW
Jeroen P Saeij, Eva-Maria Frickel
The intracellular parasite Toxoplasma gondii resides inside a vacuole, which shields it from the host's intracellular defense mechanisms. The cytokine interferon gamma (IFNγ) upregulates host cell effector pathways that are able to destroy the vacuole, restrict parasite growth and induce host cell death. Interferon-inducible GTPases such as the Guanylate Binding Proteins (GBPs), autophagy proteins and ubiquitin-driven mechanisms play important roles in Toxoplasma control in mice and partly also in humans. The host inflammasome is regulated by GBPs in response to bacterial infection in murine cells and may also respond to Toxoplasma infection...
November 12, 2017: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/29141238/rationale-redesign-of-type-iii-secretion-systems-toward-the-development-of-non-pathogenic-e-coli-for-in-vivo-delivery-of-therapeutic-payloads
#15
REVIEW
Coral González-Prieto, Cammie F Lesser
Transkingdom secretion systems that bacteria use to inject proteins directly into the cytosol of mammalian host cells play an essential role in the virulence of many Gram-negative bacterial pathogens. Current efforts are underway to repurpose these machines as novel therapeutics; type III secretion systems as vectors for the delivery of proteins of therapeutic value including heterologous antigens for vaccine development and type IV secretion systems as vectors for DNA. While initial studies focused on the use of attenuated or replication incompetent pathogens, the recent development of non-pathogenic Escherichia coli that encode programmable type III secretion systems expands possibilities for the in vivo directed delivery of therapeutic payloads...
November 12, 2017: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/29141234/elevated-p53-activities-restrict-differentiation-potential-of-microrna-deficient-pluripotent-stem-cells
#16
Zhong Liu, Cheng Zhang, Maria Skamagki, Alireza Khodadadi-Jamayran, Wei Zhang, Dexin Kong, Chia-Wei Chang, Jingyang Feng, Xiaosi Han, Tim M Townes, Hu Li, Kitai Kim, Rui Zhao
Pluripotent stem cells (PSCs) deficient for microRNAs (miRNAs), such as Dgcr8(-/-) or Dicer(-/-) embryonic stem cells (ESCs), contain no mature miRNA and cannot differentiate into somatic cells. How miRNA deficiency causes differentiation defects remains poorly understood. Here, we report that miR-302 is sufficient to enable neural differentiation of differentiation-incompetent Dgcr8(-/-) ESCs. Our data showed that miR-302 directly suppresses the tumor suppressor p53, which is modestly upregulated in Dgcr8(-/-) ESCs and serves as a barrier restricting neural differentiation...
November 14, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/29141229/widespread-translational-remodeling-during-human-neuronal-differentiation
#17
John D Blair, Dirk Hockemeyer, Jennifer A Doudna, Helen S Bateup, Stephen N Floor
Faithful cellular differentiation requires temporally precise activation of gene expression programs, which are coordinated at the transcriptional and translational levels. Neurons express the most complex set of mRNAs of any human tissue, but translational changes during neuronal differentiation remain incompletely understood. Here, we induced forebrain neuronal differentiation of human embryonic stem cells (hESCs) and measured genome-wide RNA and translation levels with transcript-isoform resolution. We found that thousands of genes change translation status during differentiation without a corresponding change in RNA level...
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29141226/a-pan-cancer-analysis-of-the-expression-and-clinical-relevance-of-small-nucleolar-rnas-in-human-cancer
#18
Jing Gong, Yajuan Li, Chun-Jie Liu, Yu Xiang, Chunlai Li, Youqiong Ye, Zhao Zhang, David H Hawke, Peter K Park, Lixia Diao, John A Putkey, Liuqing Yang, An-Yuan Guo, Chunru Lin, Leng Han
Increasing evidence has demonstrated that small nucleolar RNAs (snoRNAs) play important roles in tumorigenesis. We systematically investigated the expression landscape and clinical relevance of snoRNAs in >10,000 samples across 31 cancer types from The Cancer Genome Atlas. We observed overall elevated expression of snoRNAs and their ribonucleoproteins in multiple cancer types. We showed complex regulation of snoRNA expression by their host genes, copy number variation, and DNA methylation. Unsupervised clustering revealed that the snoRNA expression subtype is highly concordant with other molecular/clinical subtypes...
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29141212/a-central-amygdala-substantia-innominata-neural-circuitry-encodes-aversive-reinforcement-signals
#19
Yuting Cui, Guanghui Lv, Sen Jin, Jie Peng, Jing Yuan, Xiaobin He, Hui Gong, Fuqiang Xu, Tonghui Xu, Haohong Li
Aversive stimuli can impact motivation and support associative learning as reinforcers. However, the neural circuitry underlying the processing of aversive reinforcers has not been elucidated. Here, we report that a subpopulation of central amygdala (CeA) GABAergic neurons expressing protein kinase C-delta (PKC-δ+) displays robust responses to aversive stimuli during negative reinforcement learning. Importantly, projections from PKC-δ+ neurons of the CeA to the substantia innominata (SI) could bi-directionally modulate negative reinforcement learning...
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29141211/lateral-preoptic-control-of-the-lateral-habenula-through-convergent-glutamate-and-gaba-transmission
#20
David J Barker, Jorge Miranda-Barrientos, Shiliang Zhang, David H Root, Hui-Ling Wang, Bing Liu, Erin S Calipari, Marisela Morales
The lateral habenula (LHb) is a brain structure that participates in cognitive and emotional processing and has been implicated in several mental disorders. Although one of the largest inputs to the LHb originates in the lateral preoptic area (LPO), little is known about how the LPO participates in the regulation of LHb function. Here, we provide evidence that the LPO exerts bivalent control over the LHb through the convergent transmission of LPO glutamate and γ-aminobutyric acid (GABA) onto single LHb neurons...
November 14, 2017: Cell Reports
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