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https://www.readbyqxmd.com/read/28938680/ct-guided-125-i-brachytherapy-for-recurrent-ovarian-cancer
#1
Ping Liu, Lina Tong, Bin Huo, Dong Dai, Wenxin Liu, Ke Wang, Ying Wang, Zhi Guo, Hong Ni
This retrospective study was to evaluate the local control and survival of (125)I brachytherapy for recurrent ovarian cancer. 52 (125)I brachytherapy procedures were performed in 47 patients with 51 recurrent ovarian cancer lesions. The follow-up period was 1-55 months (median 12 months). The local control rate (LC) of 3, 6, 12, 24 and 36 months was 93.3%, 77.7%, 58.9%, 38.7% and 19.3%, respectively. Patients with tumor size ≤ 4cm (85.7% vs 40.0%, P = 0.037) and actual D90 between 110 to 130Gy (47.4% vs 66...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28937017/the-effects-of-repeated-low-level-blast-exposure-on-hearing-in-marines
#2
Lina R Kubli, Robin L Pinto, Holly L Burrows, Philip D Littlefield, Douglas S Brungart
BACKGROUND: The study evaluates a group of Military Service Members specialized in blast explosive training called "Breachers" who are routinely exposed to multiple low-level blasts while teaching breaching at the U.S. Marine Corps in Quantico Virginia. The objective of this study was to determine if there are any acute or long-term auditory changes due to repeated low-level blast exposures used in training. The performance of the instructor group "Breachers" was compared to a control group, "Engineers"...
September 2017: Noise & Health
https://www.readbyqxmd.com/read/28935722/genome-and-plasmid-sequences-of-escherichia-coli-kv7-an-extended-spectrum-%C3%AE-lactamase-isolate-derived-from-feces-of-a-healthy-pig
#3
Michael D Bateman, Stefan P W de Vries, Srishti Gupta, Luca Guardabassi, Lina M Cavaco, Andrew J Grant, Mark A Holmes
We present single-contig assemblies for Escherichia coli strain KV7 (serotype O27, phylogenetic group D) and its six plasmids, isolated from a healthy pig, as determined by PacBio RS II and Illumina MiSeq sequencing. The chromosome of 4,997,475 bp and G+C content of 50.75% harbored 4,540 protein-encoding genes.
September 21, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28934491/phosphorylation-regulates-human-pol%C3%AE-stability-and-damage-bypass-throughout-the-cell-cycle
#4
Federica Bertoletti, Valentina Cea, Chih-Chao Liang, Taiba Lanati, Antonio Maffia, Mario D M Avarello, Lina Cipolla, Alan R Lehmann, Martin A Cohn, Simone Sabbioneda
DNA translesion synthesis (TLS) is a crucial damage tolerance pathway that oversees the completion of DNA replication in the presence of DNA damage. TLS polymerases are capable of bypassing a distorted template but they are generally considered inaccurate and they need to be tightly regulated. We have previously shown that polη is phosphorylated on Serine 601 after DNA damage and we have demonstrated that this modification is important for efficient damage bypass. Here we report that polη is also phosphorylated by CDK2, in the absence of damage, in a cell cycle-dependent manner and we identify serine 687 as an important residue targeted by the kinase...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28934428/hiv-infected-children-have-elevated-levels-of-pd-1-memory-cd4-t-cells-with-low-proliferative-capacity-and-high-inflammatory-cytokine-effector-functions
#5
Julia Foldi, Lina Kozhaya, Bret McCarty, Mussa Mwamzuka, Fatma Marshed, Tiina Ilmet, Max Kilberg, Adam Kravietz, Aabid Ahmed, William Borkowsky, Derya Unutmaz, Alka Khaitan
Background: During human immunodeficiency virus (HIV) disease, chronic immune activation leads to T-cell exhaustion. PD-1 identifies "exhausted" CD8 T cells with impaired HIV-specific effector functions, but its role on CD4 T cells and in HIV-infected children is poorly understood. Methods: In a Kenyan cohort of vertically HIV-infected children, we measured PD-1+ CD4 T-cell frequencies and phenotype by flow cytometry and their correlation with HIV disease progression and immune activation...
September 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28934224/identification-and-analysis-of-differentially-expressed-long-non-coding-rnas-between-multiparous-and-uniparous-goat-capra-hircus-ovaries
#6
Yinghui Ling, Lina Xu, Long Zhu, Menghua Sui, Qi Zheng, Wenyong Li, Yong Liu, Fugui Fang, Xiaorong Zhang
Long non-coding RNAs (lncRNAs) play important roles in almost all biological processes. However, there is little information on the effects of lncRNAs on ovulation and lambing rates. In the present study, we used high-throughput RNA sequencing to identify differentially expressed lncRNAs between the ovaries of multiparous (Mul) and uniparous (Uni) Anhui White goats. Among the 107,255,422 clean reads, 183,754 lncRNAs were significantly differentially expressed between the Uni and Mul. Among them, 455 lncRNAs were co-expressed between the two samples, whereas, 157,523 lncRNAs were uniquely expressed in the Uni, and 25,776 uniquely lncRNAs were expressed in the Mul...
2017: PloS One
https://www.readbyqxmd.com/read/28932898/differential-effects-of-chaperones-on-yeast-prions-current-view
#7
REVIEW
Andrew G Matveenko, Yury A Barbitoff, Lina Manuela Jay-Garcia, Yury O Chernoff, Galina A Zhouravleva
Endogenous yeast amyloids that control heritable traits and are frequently used as models for human amyloid diseases are termed yeast prions. Yeast prions, including the best studied ones ([PSI (+)] and [URE3]), propagate via intimate interactions with molecular chaperones. Different yeast prions exhibit differential responses to changes in levels, functionality or localization of the components of chaperone machinery. Here, we provide additional data confirming differential effects of chaperones (and specifically, Hsp40s) on yeast prions and summarize current knowledge of the mechanisms underlying chaperone specificities...
September 20, 2017: Current Genetics
https://www.readbyqxmd.com/read/28932557/correlation-between-egfr-mutation-status-and-the-incidence-of-brain-metastases-in-patients-with-non-small-cell-lung-cancer
#8
Lina Li, Shuimei Luo, Heng Lin, Haitao Yang, Huijuan Chen, Ziyuan Liao, Wanzun Lin, Weili Zheng, Xianhe Xie
BACKGROUND: Lung cancer is the leading cause of cancer-related death worldwide. Numerous studies have been performed to investigate the correlation between epidermal growth factor receptor (EGFR) mutation status and the incidence of brain metastases (BMs) in patients with non-small cell lung cancer (NSCLC), however, the outcomes were inconsistent. Thus, we performed this study to establish the role of EGFR mutation status in BMs. METHODS: Electronic databases PubMed, Embase, Cochrane Library, CBM, WanFang, CNKI were searched to identify relevant trials...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28932239/computational-analysis-of-gynura-bicolor-bioactive-compounds-as-dipeptidyl-peptidase-iv-inhibitor
#9
Lina Rozano, Muhammad Redha Abdullah Zawawi, Muhamad Aizuddin Ahmad, Indu Bala Jaganath
The inhibition of dipeptidyl peptidase-IV (DPPIV) is a popular route for the treatment of type-2 diabetes. Commercially available gliptin-based drugs such as sitagliptin, anagliptin, linagliptin, saxagliptin, and alogliptin were specifically developed as DPPIV inhibitors for diabetic patients. The use of Gynura bicolor in treating diabetes had been reported in various in vitro experiments. However, an understanding of the inhibitory actions of G. bicolor bioactive compounds on DPPIV is still lacking and this may provide crucial information for the development of more potent and natural sources of DPPIV inhibitors...
2017: Advances in Bioinformatics
https://www.readbyqxmd.com/read/28931895/defective-thymic-output-in-was-patients-is-associated-with-abnormal-actin-organization
#10
Wenyan Li, Xiaoyu Sun, Jinzhi Wang, Qin Zhao, Rongxin Dai, Yanping Wang, Lina Zhou, Lisa Westerberg, Yuan Ding, Xiaodong Zhao, Chaohong Liu
Wiskott-Aldrich syndrome protein (WASp) is a key regulator of the actin cytoskeleton. Defective T - cell function is a major cause for immune deficiency in Wiskott-Aldrich syndrome (WAS) patients. T cells originate in the bone marrow and develop in the thymus, and then migrate to peripheral tissues. TCR excision circles (TRECs) present in thymic output cells stably, which is used as a molecular marker for thymic output. We found that CD8(+) T naïve cells of classic WAS patients were significantly reduced, and TRECs in patients with classic WAS and X-linked thrombocytopenia (XLT) dramatically decreased compared with that of HCs...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931519/beta-cell-replacement-in-mice-using-human-type-1-diabetes-nuclear-transfer-embryonic-stem-cells
#11
Lina Sui, Nichole Danzl, Sean R Campbell, Ryan Viola, Damian Williams, Yuan Xing, Yong Wang, Neil Phillips, Greg Poffenberger, Bjarki Johannesson, Jose Oberholzer, Alvin C Powers, Rudolph L Leibel, Xiaojuan Chen, Megan Sykes, Dieter Egli
Beta cells derived from stem cells hold great promise for cell replacement therapy for diabetes. Here we examine the ability of nuclear transfer embryonic stem cells (NT-ES) derived from a type 1 diabetes patient to differentiate into beta cells, and provide a source of autologous islets for cell replacement. NT-ES cells differentiate in vitro with an average efficiency of 55% into C-peptide-positive cells, expressing markers of mature beta cells, including MAFA and NKX6.1. Upon transplantation in immunodeficient mice, grafted cells form vascularized islet-like structures containing MAFA/C-peptide-positive cells...
September 20, 2017: Diabetes
https://www.readbyqxmd.com/read/28930554/diet-microparticles-and-atherothrombosis
#12
Lina Badimon, Rosa Suades, Javier Crespo, Teresa Padro, Gemma Chiva-Blanch
Cardiovascular disease is the main cause of death worldwide, and is principally caused by atherosclerosis, with subsequent thrombus formation, eventually provoking an acute myocardial infarction or a stroke. The formation and progression of the atherosclerotic plaques responds to multiple factors including certain diets. Intensive research has elucidated the role of diet in cardiovascular disease and has led to public health policies focusing on educating the population on the role of nutrition in cardiovascular health...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28928833/disrupted-fibroblastic-reticular-cells-and-interleukin-7-expression-in-tumor-draining-lymph-nodes
#13
Jianbao Gao, Lintao Zhao, Lina Liu, Yang Yang, Bo Guo, Bo Zhu
The immune system of patients with cancer is usually in an inhibitory state. Lymph node (LN) draining of pathological sites provides a suitable microenvironment where adaptive immune responses mainly occur. However, the microenvironment in the tumor draining lymph nodes (TDLNs) of patients with cancer appears to be in favor of tolerance. The effects of tumor cells on TDLNs have not been elaborated clearly. The present results have indicated that tumor cells may directly affect TDLNs by decreasing the fibroblastic reticular cell population that led to less interleukin-7 secretion...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928802/baicalin-and-baicalein-attenuate-renal-fibrosis-in-vitro-via-inhibition-of-the-tgf-%C3%AE-1-signaling-pathway
#14
Qin Hu, Lina Gao, Bo Peng, Xinmin Liu
Baicalin and baicalein are flavonoid compounds derived from Scutellaria baicalensis Georgi. These compounds have been used in the treatment of numerous diseases, including fibrotic diseases. However, research regarding their antifibrotic effects and mechanism of action in renal fibrosis is limited. In the present study, normal rat kidney interstitial fibroblast (NRK-49F) cells were stimulated with transforming growth factor (TGF)-β1, with or without baicalin/baicalein, and assessed for proliferation, apoptosis, extracellular matrix (ECM) accumulation, collagen expression, TGF-β1 expression and mothers against decapentaplegic homolog 3 (SMAD3) protein activation...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28927989/identification-of-susceptible-genes-for-complex-chronic-diseases-based-on-disease-risk-functional-snps-and-interaction-networks
#15
Wan Li, Lina Zhu, Hao Huang, Yuehan He, Junjie Lv, Weimin Li, Lina Chen, Weiming He
Complex chronic diseases are caused by the effects of genetic and environmental factors. Single nucleotide polymorphisms (SNPs), one common type of genetic variations, played vital roles in diseases. We hypothesized that disease risk functional SNPs in coding regions and protein interaction network modules were more likely to contribute to the identification of disease susceptible genes for complex chronic diseases. This could help to further reveal the pathogenesis of complex chronic diseases. Disease risk SNPs were first recognized from public SNP data for coronary heart disease (CHD), hypertension (HT) and type 2 diabetes (T2D)...
September 16, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28926616/co-ordinated-activation-of-classical-and-novel-pkc-isoforms-is-required-for-pma-induced-mtorc1-activation
#16
Mengling Liu, Christopher J Clarke, Mohamed F Salama, Yeon Ja Choi, Lina M Obeid, Yusuf A Hannun
Protein kinase C (PKC) has been shown to activate the mammalian target of rapamycin complex 1 (mTORC1) signaling pathway, a central hub in the regulation of cell metabolism, growth and proliferation. However, the mechanisms by which PKCs activate mTORC1 are still ambiguous. Our previous study revealed that activation of classical PKCs (cPKC) results in the perinuclear accumulation of cPKC and phospholipase D2 (PLD2) in recycling endosomes in a PLD2-dependent manner. Here, we report that mTORC1 activation by phorbol 12,13-myristate acetate (PMA) requires both classic, cPKC, and novel PKC (nPKC) isoforms, specifically PKCη, acting through distinct pathways...
2017: PloS One
https://www.readbyqxmd.com/read/28924915/multiscale-modeling-of-diffusion-in-a-crowded-environment
#17
Lina Meinecke
We present a multiscale approach to model diffusion in a crowded environment and its effect on the reaction rates. Diffusion in biological systems is often modeled by a discrete space jump process in order to capture the inherent noise of biological systems, which becomes important in the low copy number regime. To model diffusion in the crowded cell environment efficiently, we compute the jump rates in this mesoscopic model from local first exit times, which account for the microscopic positions of the crowding molecules, while the diffusing molecules jump on a coarser Cartesian grid...
September 18, 2017: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/28924015/no-mediates-nitrite-sensing-and-adaptation-and-triggers-a-remodeling-of-lipids
#18
Lina J Dolch, Josselin Lupette, Guillaume Tourcier, Mariette Bedhomme, Séverine Collin, Leonardo Magneschi, Melissa Conte, Khawla Seddiki, Christelle Richard, Erwan Corre, Laurent Fourage, Frédéric Laeuffer, Robert Richards, Michael Reith, Fabrice Rébeillé, Juliette Jouhet, Patrick McGinn, Eric Marechal
Nitric oxide (NO) is an intermediate of the nitrogen cycle, an industrial pollutant and a marker of climate change. NO also acts as a gaseous transmitter in a variety of biological processes. The impact of environmental NO needs to be addressed. In diatoms, a dominant phylum in phytoplankton, NO was reported to mediate programmed cell death (PCD) in response to diatom derived polyunsaturated aldehydes. Here, using the Phaeodactylum Pt1 strain, 2E,4E-decadienal supplied in the micromolar concentration range led to a non-specific cell toxicity...
September 18, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28923793/dose-comparison-study-of-allogeneic-mesenchymal-stem-cells-in-patients-with-ischemic-cardiomyopathy-the-trident-study
#19
Victoria Florea, Angela C Rieger, Darcy L Difede, Jill El-Khorazaty, Makoto Natsumeda, Monisha N Banerjee, Bryon A Tompkins, Aisha Khan, Ivonne H Schulman, Ana M Landin, Muzammil Mushtaq, Maureen H Lowery, John Byrnes, Robert C Hendel, Mauricio G Cohen, Krystalenia Valasaki, Marietsy V Pujol, Eduard Ghersin, Roberto Miki, Cindy Delgado, Fouad A Abuzeid, Mayra Vidro-Casiano, Russell Saltzman, Daniel DaFonseca, Lina V Caceres, Kevin N Ramdas, Adam Mendizabal, Alan W Heldman, Raul D Mitrani, Joshua M Hare
Rationale: Cell dose and concentration play crucial roles in phenotypic responses to cell-based therapy for heart failure. Objective: To compare the safety and efficacy of two doses of allogeneic bone marrow-derived human mesenchymal stem cells (hMSC) identically delivered in patients with ischemic cardiomyopathy (ICM). Methods and Results: Thirty patients with ICM received in a blinded manner either 20 million (20M, n=15) or 100 million (100M, n=15) allogeneic hMSCs via transendocardial injection (10 0.5 cc injections/patient)...
September 18, 2017: Circulation Research
https://www.readbyqxmd.com/read/28922869/genome-organization-of-sphingobium-indicum-b90a-an-archetypal-hexachlorocyclohexane-hch-degrading-genotype
#20
Helianthous Verma, Abhay Bajaj, Roshan Kumar, Jasvinder Kaur, Shailly Anand, Namita Nayyar, Akshita Puri, Yogendra Singh, Jitendra P Khurana, Rup Lal
Among sphingomonads, Sphingobium indicum B90A is widely investigated for its ability to degrade a manmade pesticide, γ-hexachlorocyclohexane (γ-HCH) and its isomers (α-, β-, δ-, and ε-HCH). In this study, complete genome of strain B90A was constructed using Single Molecule Real Time Sequencing (SMRT) and Illumina platform. The complete genome revealed that strain B90A harbors four replicons: one chromosome (3,654,322 bp) and three plasmids designated as pSRL1 (139,218 bp), pSRL2 (108,430 bp) and pSRL3 (43,761 bp)...
September 1, 2017: Genome Biology and Evolution
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