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https://www.readbyqxmd.com/read/28730522/characterization-of-reassortant-h1-subtype-avian-influenza-viruses-isolated-from-poultry-in-zhejiang-province-in-china-from-2013-to-2015
#1
Haibo Wu, Rufeng Lu, Xiuming Peng, Fumin Liu, Linfang Cheng, Nanping Wu
From 2013 to 2015, 32 H1-subtype avian influenza viruses (AIVs), H1N2 (n = 12), H1N3 (n = 14), H1N4 (n = 4) and H1N9 (n = 2), were isolated from poultry in Zhejiang Province in eastern China. These strains were characterized by whole-genome sequencing with subsequent phylogenetic analysis and genetic comparison. Phylogenetic analysis of all eight viral genes showed that these strains clustered in the AIV Eurasian lineage. These strains were found to be minimally pathogenic in mice and were able to replicate in mice without prior adaptation...
July 20, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28698067/glycyrrhetinic-acid-modified-tpgs-polymeric-micelles-for-hepatocellular-carcinoma-targeted-therapy
#2
Xiumei Zhu, Altansukh Tsend-Ayush, Zhongyue Yuan, Jing Wen, Jiaxin Cai, Shifu Luo, Jianxu Yao, Junxing Bian, Linfang Yin, Jianping Zhou, Jing Yao
In this study, glycyrrhetinic acid (GA)-modified D-α-tocopheryl polyethylene glycol 1000 succinate (TPGS) polymeric micelles (TGA PMs) were developed for the delivery of etoposide (ETO) to hepatoma cells. GA was incorporated as a ligand because of its high affinity to the hepatocytes, while TPGS functioned as a P-gp inhibitor to reverse multidrug resistance. ETO-loaded TGA PMs (ETO-TGA PMs) displayed a mean particle size of 133.6±1.2nm with a low poly-dispersity index (0.224±0.013) and negative zeta potential (-16...
July 8, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28627655/elevated-expression-of-mir-155-is-associated-with-the-differentiation-of-cd8-t-cells-in-patients-with-hiv-1
#3
Changzhong Jin, Linfang Cheng, Xiangyun Lu, Tiansheng Xie, Haibo Wu, Nanping Wu
The differentiation and response ofCD8+ T cells is vital in host defense against human immunodeficiency virus type 1 (HIV-1). MicroRNA (miR)‑155 is an important regulator of T cell differentiation. However, the profile of miR-155 in HIV‑1 infected individuals and its association with CD8+ T cell differentiation remain to be fully elucidated. The present cross‑sectional study was performed involving 63 HIV‑1‑infected patients undergoing highly active antiretroviral therapy (HAART), 31 HAART‑naïve patients and 35 healthy controls...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28586262/effect-of-laparoscopic-peritoneal-lavage-and-drainage-and-continuous-venovenous-diahemofiltration-on-severe-acute-pancreatitis
#4
Guiliang Wang, Hai Liu, Linfang Xu, Ping Wen, Jianbo Wen, Shu-Feng Zhou, Xianzhong Xiao
BACKGROUND: Severe acute pancreatitis (SAP), one severe and fatal disease, the therapy of which is pretty hard. This study aimed to study the effect of laparoscopic peritoneal lavage and drainage (LPLD) and continuous venovenous diahemofiltration (CVVDH) on SAP. MATERIALS AND METHODS: Two hundred forty-five patients with SAP in total were randomly assigned into four groups according to the therapeutic plan: basic treatment; LPLD; CVVDH; or LPLD+CVVDH. Acute Physiology and Chronic Health Evaluation II (APACHE II) scores, the ratios of multiple organ dysfunction syndrome (MODS), mortality, hospitalization time, hospitalization cost, ratios of complications, the abdominal distention relief time, abdominal pain relief time, plasma concentration of endotoxin, tumor necrosis factor-α (TNF-α), interleukin (IL)-6, and IL-8 were evaluated...
June 6, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28518149/rnf138-deficiency-promotes-apoptosis-of-spermatogonia-in-juvenile-male-mice
#5
Longchang Xu, Yalan Lu, Deqiang Han, Rongyan Yao, Han Wang, Shunshun Zhong, Yanyun Luo, Ruiqin Han, Kai Li, Jun Fu, Shudong Zong, Shiying Miao, Wei Song, Linfang Wang
Spermatogenesis, the process by which haploid sperm cells are produced from a diploid precursor cell, is essential for sexual reproduction. Here, we report that RING-finger protein 138 (Rnf138) is highly expressed in testes, especially in spermatogonia and spermatocytes. The role of Rnf138 in spermatogenesis was examined using a Rnf138-knockout mouse model. Rnf138 deficiency resulted in increased apoptosis in spermatogenic cells, loss of proliferative spermatogonia, delayed development of spermatozoa and impaired fertility...
May 18, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28488574/prox1-represses-il-2-gene-expression-by-interacting-with-nfat2
#6
Shujie Zhang, Ning Yu, Linfang Wang, Yanfeng Liu, Yuying Kong, Jing Liu, Youhua Xie
Interleukin-2 (IL-2) is critical for T lymphocyte activation and regulated by many transcriptional factors. Prospero-related homeobox 1 (Prox1) is a multifunctional transcription factor, which can work as either a transcriptional activator or repressor depending on the cellular and developmental environment. We previously reported the Prox1 expression in T cells, raising the possibility of Prox1 involvement in the regulation of T cell function and IL-2 production. Here we demonstrated that the Prox1 expression in CD4+ T cells was downregulated by T cell receptor (TCR) activation...
April 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28487690/characterization-of-novel-reassortant-influenza-a-h5n2-viruses-isolated-from-poultry-in-eastern-china-2015
#7
Haibo Wu, Rufeng Lu, Xiuming Peng, Xiaorong Peng, Linfang Cheng, Fumin Liu, Nanping Wu
Recently, novel variants of H5 highly pathogenic avian influenza viruses (AIVs) have been frequently isolated from poultry and wild birds in Asia, Europe and North America. Live poultry markets (LPMs) play an important role in the dissemination of influenza viruses. Four H5N2 AIVs were isolated from poultry during surveillance of AIVs in LPMs in Eastern China, in 2015. Whole-genome sequencing, combined with phylogenetic and antigenic analyses were performed to characterize these viruses. These H5N2 viruses had undergone extensive reassortment resulting in two genetic groups of viruses in poultry...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28472779/anti-tumor-efficacy-of-theliatinib-in-esophageal-cancer-patient-derived-xenografts-models-with-epidermal-growth-factor-receptor-egfr-overexpression-and-gene-amplification
#8
Yongxin Ren, Jianming Zheng, Shiming Fan, Linfang Wang, Min Cheng, Dongxia Shi, Wei Zhang, Renxiang Tang, Ying Yu, Longxian Jiao, Jun Ni, Haibin Yang, Huaqing Cai, Fang Yin, Yunxin Chen, Feng Zhou, Weihan Zhang, Weiguo Qing, Weiguo Su
Targeted therapy is not yet approved for esophageal cancer (EC). In this study, we first evaluated EGFR gene and protein expression in 70 Chinese EC patient tumor samples collected during surgery. We then established 23 patient-derived EC xenograft (PDECX) models and assessed the efficacy of theliatinib, a potent and highly selective EGFR inhibitor currently in Phase I clinical study, in 9 PDECX models exhibiting various EGFR expression levels. Immunohistochemical analysis showed that 50 patient tumor samples (71...
April 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445956/rhbdd1-upregulates-egfr-via-the-ap-1-pathway-in-colorectal-cancer
#9
Fei Miao, Mengmeng Zhang, Yuechao Zhao, Xiaolu Li, Rongyan Yao, Fan Wu, Rong Huang, Kai Li, Shiying Miao, Changwu Ma, Hongge Ju, Wei Song, Linfang Wang
Our previous study showed that RHBDD1 can activate the EGFR signaling pathway to promote colorectal cancer growth. In the present study, EGFR was decreased when RHBDD1 was knocked down or inactivated. Further analysis found that c-Jun and EGFR protein expression was decreased in RHBDD1 knockdown and inactivated cells. c-Jun overexpression in RHBDD1-inactivated cells rescued EGFR expression in a dose-dependent manner. RHBDD1 overexpression in RHBDD1-inactivated cells restored EGFR expression, but this effect was counteracted by c-Jun knockdown...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28412909/prolonged-perfusion-predicts-recurrent-ischemic-stroke-but-not-transient-ischemic-attack-in-patients-with-symptomatic-intracranial-stenosis
#10
Linfang Lan, Xinyi Leng, Vincent Ip, Thomas Leung, Yannie Soo, Jill Abrigo, Ka Sing Wong
BACKGROUND: Intracranial arterial stenosis (ICAS) is the dominant cause for ischemic stroke worldwide, with hemodynamic compromise as a crucial contributor. Prolonged perfusion is commonly observed in ICAS patients on CT perfusion (CTP) maps, while the clinical significance of this perfusion pattern has not been elucidated. METHODS: Patients having symptomatic ICAS of 50-99% stenosis with sustained downstream cerebral blood flow (CBF) were enrolled into this study...
April 13, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/28382136/a-nomogram-based-on-inflammatory-factors-c-reactive-protein-and-fibrinogen-to-predict-the-prognostic-value-in-patients-with-resected-non-small-cell-lung-cancer
#11
Qiuyao Zeng, Ning Xue, Danian Dai, Shan Xing, Xia He, Shibing Li, Yi Du, Chumei Huang, Linfang Li, Wanli Liu
Purpose: This study aimed to develop an effective nomogram for predicting survival in surgically treated non-small cell lung cancer patients. Methods: We retrospectively evaluated 856 NSCLC in this study. Cox regression analyses were performed to identify significant prognostic factors for developing a nomogram to predict overall survival (OS). The discriminative ability was assessed with the concordance index (C-index). Results: On multivariate analysis of the 856 cohort, independent factors for survival were CRP, fibrinogen, tumor status, nodal status, distant metastasis and clinical stage, which were entered into the nomogram...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28337257/subcutaneous-liraglutide-ameliorates-methylglyoxal-induced-alzheimer-like-tau-pathology-and-cognitive-impairment-by-modulating-tau-hyperphosphorylation-and-glycogen-synthase-kinase-3%C3%AE
#12
Liqin Qi, Zhou Chen, Yanping Wang, Xiaoying Liu, Xiaohong Liu, Linfang Ke, Zhongjie Zheng, Xiaowei Lin, Yu Zhou, Lijuan Wu, Libin Liu
Memory deterioration and synapse damage with accumulation of β-amyloid and hyperphosphorylated tau are hallmark lesions of Alzheimer's disease (AD). Methylglyoxal (MG), a key intermediate of glucose metabolism, is elevated in AD brains and modifies Aβ42, increasing misfolding and leading to the accumulation of senile plaques. Liraglutide, an analog of glucagon-like peptide-1 (GLP-1), is neurotrophic and neuroprotective. However, whether liraglutide can protect against AD-like memory-related deficits and tau hyperphosphorylation caused by MG in vivo is not known...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28316994/multiple-factors-involved-in-the-pathogenesis-of-white-matter-lesions
#13
REVIEW
Jing Lin, Dilong Wang, Linfang Lan, Yuhua Fan
White matter lesions (WMLs), also known as leukoaraiosis (LA) or white matter hyperintensities (WMHs), are characterized mainly by hyperintensities on T2-weighted or fluid-attenuated inversion recovery (FLAIR) images. With the aging of the population and the development of imaging technology, the morbidity and diagnostic rates of WMLs are increasing annually. WMLs are not a benign process. They clinically manifest as cognitive decline and the subsequent development of dementia. Although WMLs are important, their pathogenesis is still unclear...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28303346/high-throughput-sequencing-identifies-hiv-1-replication-and-latency-related-mirnas-in-cd4-t-cell-lines
#14
Xiangyun Lu, Jin Yang, Haibo Wu, Zongxing Yang, Changzhong Jin, Juan Wang, Linfang Cheng, Xiaorong Peng, Fumin Liu, Xiuming Peng, Sujing Ji, Huilin Ou, Tiansheng Xie, Hangping Yao, Nanping Wu
MicroRNAs are potent gene expression regulators involved in regulating various biological processes, including host-pathogen interactions. In this study, we used high-throughput sequencing to investigate cellular miRNA signatures related to HIV-1 replication and latent infection in CD4(+) T cell lines, which included HIV-1-replicating H9/HTLV-IIIB, HIV-1-latently-infected CEM-Bru cells, and their parental uninfected H9 and CEM-SS cells. Relatively few miRNAs were found to be modulated by HIV-1 replication or latent infection, while the cell-lineage-specific miRNA difference was more pronounced, irrespective of HIV-1 infection...
July 2017: Archives of Virology
https://www.readbyqxmd.com/read/28277741/characterization-and-complementation-of-a-chlorophyll-less-dominant-mutant-gl1-in-lagerstroemia-indica
#15
Shu'an Wang, Peng Wang, Lulu Gao, Rutong Yang, Linfang Li, Enliang Zhang, Qing Wang, Ya Li, Zengfang Yin
Crape myrtle (Lagerstroemia indica) is a woody ornamental plant popularly grown because of its long-lasting, midsummer blooms and beautiful colors. The GL1 dominant mutant is the first chlorophyll-less mutant identified in crape myrtle. It was obtained from a natural yellow leaf bud mutation. We previously revealed that leaf color of the GL1 mutant is affected by light intensity. However, the mechanism of the GL1 mutant on light response remained unclear. The acclimation response of mutant and wild-type (WT) plants was assessed in a time series after transferring from low light (LL) to high light (HL) by analyzing chlorophyll synthesis precursor content, photosynthetic performance, and gene expression...
May 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28244490/the-rna-binding-protein-qki5-regulates-primary-mir-124-1-processing-via-a-distal-rna-motif-during-erythropoiesis
#16
Fang Wang, Wei Song, Hongmei Zhao, Yanni Ma, Yuxia Li, Di Zhai, Jingnan Pi, Yanmin Si, Jiayue Xu, Lei Dong, Rui Su, Mengmeng Zhang, Yong Zhu, Xiaoxia Ren, Fei Miao, Wenjie Liu, Feng Li, Junwu Zhang, Aibin He, Ge Shan, Jingyi Hui, Linfang Wang, Jia Yu
MicroRNA (miRNA) biogenesis is finely controlled by complex layers of post-transcriptional regulators, including RNA-binding proteins (RBPs). Here, we show that an RBP, QKI5, activates the processing of primary miR-124-1 (pri-124-1) during erythropoiesis. QKI5 recognizes a distal QKI response element and recruits Microprocessor through interaction with DGCR8. Furthermore, the recruited Microprocessor is brought to pri-124-1 stem loops by a spatial RNA-RNA interaction between two complementary sequences. Thus, mutations disrupting their base-pairing affect the strength of QKI5 activation...
March 2017: Cell Research
https://www.readbyqxmd.com/read/28123600/activation-or-suppression-of-the-immune-response-mediators-in-biliary-tract-cancer-btc-patients-a-systematic-review-and-meta-analysis
#17
Ying Wang, Min Ding, Qian Zhang, Jinghan Wang, Xijing Yang, Fuping Zhou, Linfang Li, Zhengang Yuan, Huajun Jin, Qijun Qian
Background: Infiltration of immune cells and immune microenvironment determine the proliferative activity of the tumor and metastasis. The aim of this study was to analyze the influence of activation or suppression of the immune response mediators on the prognosis of biliary tract cancer (BTC). Methods: We searched Pubmed, Web of Science, Embase and The Cochrane Library for relevant literatures until June 2016. The quality of studies was assessed by QUADAS-2 and NOS tools. Forest and funnel plots and all statistical analyses were generated by using Review Manager 5...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28106104/high-aldh1-expression-correlates-with-better-prognosis-in-tumorigenic-malignant-melanoma
#18
Laura A Taylor, Ronnie M Abraham, Emin Tahirovic, Patricia van Belle, Bin Li, Linfang Huang, David E Elder, Phyllis Gimotty, Xiaowei Xu
Aldehyde dehydrogenase 1 (ALDH1) has been proposed as biomarker of stem cells for certain human cancers. ALDH1 expression has been correlated with poor patient outcomes in a variety of malignancies but better patient outcomes in others, and its prognostic significance in malignant melanoma is unclear. Thus, 68 melanoma patients with comprehensive clinical and pathologic follow-up data were used to construct a tissue microarray. A modified histological score (H-score) with a maximum score of 300 was used to quantify immunohistochemical staining for ALDH1...
May 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28105530/molecular-characterization-of-a-novel-reassortant-h7n6-subtype-avian-influenza-virus-from-poultry-in-eastern-china-in-2016
#19
Haibo Wu, Rufeng Lu, Xiuming Peng, Xiaorong Peng, Bin Chen, Linfang Cheng, Nanping Wu
During the surveillance for avian influenza viruses (AIVs) in live poultry markets in Eastern China, in 2016, a novel reassortant H7N6 AIV was isolated from a chicken. Phylogenetic analysis showed that this strain received its genes from H9N2, H7N9 and H5N6 AIVs infecting poultry in China. This strain showed moderate pathogenicity in mice and was able to replicate in mice without prior adaptation. Considering that this novel reassorted H7N6 virus was isolated from poultry in this study, it is possible that chickens play an important role in the generation of novel reassorted H7N6 AIVs...
May 2017: Archives of Virology
https://www.readbyqxmd.com/read/28067615/intracranial-atherosclerosis-from-anatomy-to-pathophysiology
#20
Yuehua Pu, Linfang Lan, Xinyi Leng, Lawrence Ks Wong, Liping Liu
Background Intracranial atherosclerotic stenosis is an important etiology subtype of ischemic stroke. Stenosis severity was thought to be the main reference index for clinical treatment and research. However, stenosis could not reflect the ischemia risk completely, instead the hemodynamic state across the lesion, the extent of collateral circulation, and perfusion impairment downstream the stenosis are more important. Aims We write this review aimed to summarize novel angiographic methods applied in the evaluation of functional severity of ICAS, and commented on their limitations and prospects in future research...
April 2017: International Journal of Stroke: Official Journal of the International Stroke Society
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