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EBioMedicine

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https://www.readbyqxmd.com/read/28336389/metformin-ameliorates-uterine-defects-in-a-rat-model-of-polycystic-ovary-syndrome
#1
Yuehui Zhang, Min Hu, Fanci Meng, Xiaoyan Sun, Hongfei Xu, Jiao Zhang, Peng Cui, Njomeza Morina, Xin Li, Wei Li, Xiao-Ke Wu, Mats Brännström, Ruijin Shao, Håkan Billig
Adult rats treated concomitantly with insulin and human chorionic gonadotropin exhibit endocrine, metabolic, and reproductive abnormalities that are very similar to those observed in polycystic ovary syndrome (PCOS) patients. In this study, we used this rat model to assess the effects of metformin on PCOS-related uterine dysfunction. In addition to reducing androgen levels, improving insulin sensitivity, and correcting the reproductive cycle, metformin treatment induced morphological changes in the PCOS-like uterus...
March 18, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28330631/clinical-features-and-prognosis-in-patients-with-atrial-fibrillation-and-prior-stroke-comparing-the-fushimi-and-darlington-af-registries
#2
Hisashi Ogawa, Keitaro Senoo, Yoshimori An, Alena Shantsila, Eduard Shantsila, Deirdre A Lane, Andreas Wolff, Masaharu Akao, Gregory Y H Lip
BACKGROUND: Ethnic differences in clinical characteristics, stroke risk profiles and outcomes among atrial fibrillation (AF) patients may exist. We therefore compared AF patients with previous stroke from Japan and the United Kingdom (UK). METHODS: We compared clinical characteristics, stroke risk and outcomes among AF patients from the Fushimi AF registry who had experienced a previous stroke (Japan; n=688; 19.7%) and the Darlington AF registry (UK; n=428; 19.0%)...
March 16, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28330813/atp-binding-cassette-transporter-a1-deficiency-in-human-induced-pluripotent-stem-cell-derived-hepatocytes-abrogates-hdl-biogenesis-and-enhances-triglyceride-secretion
#3
Xin Bi, Evanthia E Pashos, Marina Cuchel, Nicholas N Lyssenko, Mayda Hernandez, Antonino Picataggi, James McParland, Wenli Yang, Ying Liu, Ruilan Yan, Christopher Yu, Stephanie L DerOhannessian, Michael C Phillips, Edward E Morrisey, Stephen A Duncan, Daniel J Rader
Despite the recognized role of the ATP-binding Cassette Transporter A1 (ABCA1) in high-density lipoprotein (HDL) metabolism, our understanding of ABCA1 deficiency in human hepatocytes is limited. To define the functional effects of human hepatocyte ABCA1 deficiency, we generated induced pluripotent stem cell (iPSC)-derived hepatocyte-like cells (HLCs) from Tangier disease (TD) and matched control subjects. Control HLCs exhibited robust cholesterol efflux to apolipoprotein A-I (apoA-I) and formed nascent HDL particles...
March 14, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28330810/a-new-strategy-to-treat-mitochondrial-disease-without-improvement-of-mitochondrial-function
#4
Qun Chen, Edward J Lesnefsky
No abstract text is available yet for this article.
March 14, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28330809/piperine-attenuates-pathological-cardiac-fibrosis-via-ppar-%C3%AE-akt-pathways
#5
Zhen-Guo Ma, Yu-Pei Yuan, Xin Zhang, Si-Chi Xu, Sha-Sha Wang, Qi-Zhu Tang
Mitogen-activated protein kinases (MAPKs) and AMP-activated protein kinase α (AMPKα) play critical roles in the process of cardiac hypertrophy. Previous studies have demonstrated that piperine activates AMPKα and reduces the phosphorylation of extracellular signal-regulated kinase (ERK). However, the effect of piperine on cardiac hypertrophy remains completely unknown. Here, we show that piperine-treated mice had similar hypertrophic responses as mice treated with vehicle but exhibited significantly attenuated cardiac fibrosis after pressure overload or isoprenaline (ISO) injection...
March 14, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28330601/mitochondria-in-cell-senescence-is-mitophagy-the-weakest-link
#6
REVIEW
Viktor I Korolchuk, Satomi Miwa, Bernadette Carroll, Thomas von Zglinicki
Cell senescence is increasingly recognized as a major contributor to the loss of health and fitness associated with aging. Senescent cells accumulate dysfunctional mitochondria; oxidative phosphorylation efficiency is decreased and reactive oxygen species production is increased. In this review we will discuss how the turnover of mitochondria (a term referred to as mitophagy) is perturbed in senescence contributing to mitochondrial accumulation and Senescence-Associated Mitochondrial Dysfunction (SAMD). We will further explore the subsequent cellular consequences; in particular SAMD appears to be necessary for at least part of the specific Senescence-Associated Secretory Phenotype (SASP) and may be responsible for tissue-level metabolic dysfunction that is associated with aging and obesity...
March 14, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28330600/the-chicken-or-the-egg-changes-in-oral-microbiota-as-cause-or-consequence-of-mucositis-during-radiation-therapy
#7
Stephen T Sonis
No abstract text is available yet for this article.
March 11, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28330811/association-between-twelve-polymorphisms-in-five-x-ray-repair-cross-complementing-genes-and-the-risk-of-urological-neoplasms-a-systematic-review-and-meta-analysis
#8
Meng Zhang, Wanzhen Li, Zongyao Hao, Jun Zhou, Li Zhang, Chaozhao Liang
Polymorphisms in X-ray repair cross-complementing (XRCC) genes have been implicated in altering the risk of various urological cancers. However, the results of reported studies are controversial. To ascertain whether polymorphisms in XRCC genes are associated with the risk of urological neoplasms, we conducted present updated meta-analysis and systematic review. Summary odds ratios (ORs) and corresponding 95% confidence intervals (CIs) were used to estimate the association. Finally, 54 publications comprising 129 case-control studies for twelve polymorphisms in five XRCC genes were enrolled...
March 9, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28330603/dhx32-promotes-angiogenesis-in-colorectal-cancer-through-augmenting-%C3%AE-catenin-signaling-to-induce-expression-of-vegfa
#9
Huayue Lin, Zanxi Fang, Yuanhui Su, Peihua Li, Jingkun Wang, Hongfeng Liao, Qing Hu, Chunlei Ye, Yizhen Fang, Qing Luo, Zhiyuan Lin, Chao Pan, Fen Wang, Zhong-Ying Zhang
We previously reported that overexpression of DHX32 contributes to the growth and metastasis of colorectal cancer (CRC). However, the underlying mechanism is not largely characterized. Herein, we reported that DHX32 in CRC cells upregulated expression of vascular endothelial growth factor A (VEGFA) at the transcription level through interacting with and stabilizing β-catenin. This promoted the recruitment of host endothelial cells to the tumor, and therefore, formation of microvessel in the tumor. Xenograft model revealed that depletion of DHX32 in CRC cells significantly reduced the microvessel density in the grafts and suppressed the growth of grafts...
March 9, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28292579/pharmacologic-ascorbate-in-myeloma-treatment-doses-matter
#10
Pierre-Christian Violet, Mark Levine
No abstract text is available yet for this article.
March 9, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28292577/corrigendum-to-assessment-of-human-tribbles-homolog-3-genetic-variation-rs2295490-effects-on-type-2-diabetes-patients-with-glucose-control-and-blood-pressure-lowering-treatment-ebiomedicine-13-2016-181-189
#11
https://www.readbyqxmd.com/read/28330812/molecular-evidence-for-differential-long-term-outcomes-of-early-life-severe-acute-malnutrition
#12
Allan Sheppard, Sherry Ngo, Xiaoling Li, Michael Boyne, Debbie Thompson, Anthony Pleasants, Peter Gluckman, Terrence Forrester
BACKGROUND: Severe acute malnutrition (SAM) in infants may present as one of two distinct syndromic forms: non-edematous (marasmus), with severe wasting and no nutritional edema; or edematous (kwashiorkor) with moderately severe wasting. These differences may be related to developmental changes prior to the exposure to SAM and phenotypic changes appear to persist into adulthood with differences between the two groups. We examined whether the different response to SAM and subsequent trajectories may be explained by developmentally-induced epigenetic differences...
March 8, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28314693/wnk4-is-an-adipogenic-factor-and-its-deletion-reduces-diet-induced-obesity-in-mice
#13
Daiei Takahashi, Takayasu Mori, Eisei Sohara, Miyako Tanaka, Motoko Chiga, Yuichi Inoue, Naohiro Nomura, Moko Zeniya, Hiroki Ochi, Shu Takeda, Takayoshi Suganami, Tatemitsu Rai, Shinichi Uchida
The with-no-lysine kinase (WNK) 4 gene is a causative gene in pseudohypoaldosteronism type II. Although WNKs are widely expressed in the body, neither their metabolic functions nor their extrarenal role is clear. In this study, we found that WNK4 was expressed in mouse adipose tissue and 3T3-L1 adipocytes. In mouse primary preadipocytes and in 3T3-L1 adipocytes, WNK4 was markedly induced in the early phase of adipocyte differentiation. WNK4 expression preceded the expression of key transcriptional factors PPARγ and C/EBPα...
March 8, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28302457/mucosal-vaccination-with-heterologous-viral-vectored-vaccine-targeting-subdominant-siv-accessory-antigens-strongly-inhibits-early-viral-replication
#14
Huanbin Xu, Anne-Marie Andersson, Emeline Ragonnaud, Ditte Boilesen, Anders Tolver, Benjamin Anderschou Holbech Jensen, James L Blanchard, Alfredo Nicosia, Antonella Folgori, Stefano Colloca, Riccardo Cortese, Allan Randrup Thomsen, Jan Pravsgaard Christensen, Ronald S Veazey, Peter Johannes Holst
Conventional HIV T cell vaccine strategies have not been successful in containing acute peak viremia, nor in providing long-term control. We immunized rhesus macaques intramuscularly and rectally using a heterologous adenovirus vectored SIV vaccine regimen encoding normally weakly immunogenic tat, vif, rev and vpr antigens fused to the MHC class II associated invariant chain. Immunizations induced broad T cell responses in all vaccinees. Following up to 10 repeated low-dose intrarectal challenges, vaccinees suppressed early viral replication (P=0...
March 8, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28292578/corrigendum-to-integration-of-copy-number-and-transcriptomics-provides-risk-stratification-in-prostate-cancer-a-discovery-and-validation-cohort-study-ebiomedicine-2-9-2015-1133-1144
#15
H Ross-Adams, A D Lamb, M J Dunning, S Halim, J Lindberg, C M Massie, L A Egevad, R Russell, A Ramos-Montoya, S L Vowler, N L Sharma, J Kay, H Whitaker, J Clark, R Hurst, V J Gnanapragasam, N C Shah, A Y Warren, C S Cooper, A G Lynch, R Stark, I G Mills, H Grönberg, D E Neal
No abstract text is available yet for this article.
March 8, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28286060/a-broadly-reactive-human-anti-hemagglutinin-stem-monoclonal-antibody-that-inhibits-influenza-a-virus-particle-release
#16
Seiya Yamayoshi, Ryuta Uraki, Mutsumi Ito, Maki Kiso, Sumiho Nakatsu, Atsuhiro Yasuhara, Kohei Oishi, Tadahiro Sasaki, Kazuyoshi Ikuta, Yoshihiro Kawaoka
Many broadly reactive human monoclonal antibodies against the hemagglutinin (HA) stem of influenza A virus have been developed for therapeutic applications. These antibodies typically inhibit viral entry steps, especially the HA conformational change that is required for membrane fusion. To better understand the mechanisms by which such antibodies inhibit viral replication, we established broadly reactive human anti-HA stem antibodies and determined the properties of these antibodies by examining their reactivity with 18 subtypes of HA, evaluating their in vivo protective efficacy, identifying their epitopes, and characterizing their inhibitory mechanisms...
March 6, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28284815/a-clinically-distinct-and-atypical-subgroup-of-head-and-neck-cancers-positive-for-a-cpg-island-methylator-phenotype
#17
Daniel J Weisenberger
No abstract text is available yet for this article.
March 6, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28274806/crosstalk-between-cancer-associated-fibroblasts-and-cancer-cells-in-the-tumor-microenvironment-after-radiotherapy
#18
Genichiro Ishii
No abstract text is available yet for this article.
March 5, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28283425/a-rapid-zika-diagnostic-assay-to-measure-neutralizing-antibodies-in-patients
#19
Chao Shan, Xuping Xie, Ping Ren, Michael J Loeffelholz, Yujiao Yang, Andrea Furuya, Alan P Dupuis, Laura D Kramer, Susan J Wong, Pei-Yong Shi
The potential association of microcephaly and other congenital abnormalities with Zika virus (ZIKV) infection during pregnancy underlines the critical need for a rapid and accurate diagnosis. Due to the short duration of ZIKV viremia in infected patients, a serologic assay that detects antibody responses to viral infection plays an essential role in diagnosing patient specimens. The current serologic diagnosis of ZIKV infection relies heavily on the labor-intensive Plaque Reduction Neutralization Test (PRNT) that requires more than one-week turnaround time and represents a major bottleneck for patient diagnosis...
March 4, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28330602/the-pneumococcal-alpha-glycerophosphate-oxidase-enhances-nasopharyngeal-colonization-through-binding-to-host-glycoconjugates
#20
Layla K Mahdi, Melanie A Higgins, Christopher J Day, Joe Tiralongo, Lauren E Hartley-Tassell, Michael P Jennings, David L Gordon, Adrienne W Paton, James C Paton, Abiodun D Ogunniyi
Streptococcus pneumoniae (the pneumococcus) is a major human pathogen, causing a broad spectrum of diseases including otitis media, pneumonia, bacteraemia and meningitis. Here we examined the role of a potential pneumococcal meningitis vaccine antigen, alpha-glycerophosphate oxidase (SpGlpO), in nasopharyngeal colonization. We found that serotype 4 and serotype 6A strains deficient in SpGlpO have significantly reduced capacity to colonize the nasopharynx of mice, and were significantly defective in adherence to human nasopharyngeal carcinoma cells in vitro...
March 3, 2017: EBioMedicine
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