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https://www.readbyqxmd.com/read/28723651/suppression-of-clc-3-chloride-channel-reduces-the-aggressiveness-of-glioma-through-inhibiting-nuclear-factor-%C3%AE%C2%BAb-pathway
#1
Bing Wang, Jing Xie, Hai-Yong He, En-Wen Huang, Qing-Hua Cao, Lun Luo, Yong-Shi Liao, Ying Guo
CLC-3 chloride channel plays important roles on cell volume regulation, proliferation and migration in normal and cancer cells. Recent growing evidence supports a critical role of CLC-3 in glioma metastasis, however, the mechanism underlying is unclear. This study finds that CLC-3 is upregulated in glioma tissues and positively correlated with WHO histological grade. Patients with high CLC-3 expression had an overall shorter survival time, whereas patients with low expression of CLC-3 had a better survival time...
July 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28720549/evolutionary-basis-of-a-new-approach-for-the-treatment-of-malignant-brain-tumors-from-mice-to-humans
#2
Pedro R Lowenstein, Maria G Castro
Glioma cells are one of the most aggressive and malignant tumors. Following initial surgery, and radio-chemotherapy they progress rapidly, so that patients' median survival remains under two years. They invade throughout the brain, which makes them difficult to treat, and are universally lethal. Though total resection is always attempted it is not curative. Standard of care in 2016 comprises surgical resection, radiotherapy and chemotherapy (temozolomide). Median survival is currently ~14-20months post-diagnosis though it can be higher in high complexity medical university centers, or during clinical trials...
July 15, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28719652/long-term-follow-up-of-human-t-cell-responses-to-conserved-hiv-1-regions-elicited-by-dna-simian-adenovirus-mva-vaccine-regimens
#3
Nathifa Moyo, Nicola J Borthwick, Edmund G Wee, Silvia Capucci, Alison Crook, Lucy Dorrell, Tomáš Hanke
BACKGROUND: Durability of vaccine-elicited immune responses is one of the key determinants for vaccine success. Our aim is to develop a vaccination strategy against the human immunodeficiency virus type 1 (HIV-1), which induces protective and durable CD8+ T-cell responses. The central theorem of our approach is to focus T cells on highly conserved regions of the HIV-1 proteome and this is achieved through the use of the first-generation conserved vaccine immunogen HIVconsv. This immunogen vectored by plasmid DNA, simian adenovirus and poxvirus MVA was tested in healthy, HIV-1-negative adults in UK and induced high magnitudes of HIVconsv-specific plurifunctional CD8+ T cells capable of in vitro HIV-1 inhibition...
2017: PloS One
https://www.readbyqxmd.com/read/28719571/mir-27b-3p-suppressed-osteogenic-differentiation-of-maxillary-sinus-membrane-stem-cells-by-targeting-sp7
#4
Wei Peng, Shuangxi Zhu, Xiang Li, Junquan Weng, Songling Chen
OBJECTIVE: To explore the critical role and function of miRNAs in the regulation of development and physiology of maxillary sinus membrane stem cell (MSMSC) osteogenesis. METHODS: Microarray analysis was performed to screen the miRNAs expression profiles during the process of MSMSC osteogenic differentiation. Quantitative real-time polymerase chain reaction was applied to verify the miRNAs expression profiles. Gain- and loss-of-function experiments were used to demonstrate that miR-27b-3p inhibited MSMSC osteoblastic differentiation...
July 14, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28716906/virus-found-in-a-boreal-lake-links-ssdna-and-dsdna-viruses
#5
Elina Laanto, Sari Mäntynen, Luigi De Colibus, Jenni Marjakangas, Ashley Gillum, David I Stuart, Janne J Ravantti, Juha T Huiskonen, Lotta-Riina Sundberg
Viruses have impacted the biosphere in numerous ways since the dawn of life. However, the evolution, genetic, structural, and taxonomic diversity of viruses remain poorly understood, in part because sparse sampling of the virosphere has concentrated mostly on exploring the abundance and diversity of dsDNA viruses. Furthermore, viral genomes are highly diverse, and using only the current sequence-based methods for classifying viruses and studying their phylogeny is complicated. Here we describe a virus, FLiP (Flavobacterium-infecting, lipid-containing phage), with a circular ssDNA genome and an internal lipid membrane enclosed in the icosahedral capsid...
July 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28716138/prevalence-of-enteric-infections-among-hospitalized-patients-in-two-referral-hospitals-in-ghana
#6
R Akuffo, G Armah, M Clemens, K C Kronmann, A H Jones, P Agbenohevi, K Sagoe, N Puplampu, N Talla Nzussouo, W Ampofo, K Koram, C Duplessis, E Dueger
BACKGROUND: Diarrhea is an important cause of morbidity and mortality worldwide. In Africa and Ghana in particular, it is estimated to contribute directly to 19 and 25% of pediatric mortality among children under 5 years, respectively. METHODS: Surveillance for hospitalized acute diarrheal illness was initiated in November 2010 through October 2012 in a referral hospital in southern Ghana, and a teaching hospital in northern Ghana. Consenting hospitalized patients who met a standardized case definition for acute diarrheal illness provided demographic and epidemiologic data...
July 17, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28715808/retinoic-acid-facilitates-toll-like-receptor-4-expression-to-improve-intestinal-barrier-function-through-retinoic-acid-receptor-beta
#7
Yingying Li, Yuan Gao, Ting Cui, Ting Yang, Lan Liu, Tingyu Li, Jie Chen
BACKGROUND/AIMS: Vitamin A (VA) protects the intestinal epithelial barrier by improving cell migration and proliferation. Our previous studies demonstrated that VA deficiency (VAD) during pregnancy suppresses the systemic and mucosal immune responses in the intestines of offspring and that VA supplementation (VAS) during early life can increase immune cell counts. However, little is known about the mechanisms by which VA regulates intestinal epithelial barrier function. METHODS: Caco-2 cells were treated with all-trans retinoic acid (ATRA) for 24 hours to determine the optimum ATRA concentration to which the cells in question respond...
July 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28715444/pyrrolidine-dithiocarbamate-ameliorates-endothelial-dysfunction-in-thoracic-aorta-of-diabetic-rats-by-preserving-vascular-ddah-activity
#8
Chang-Wu Lu, Yuan Lin, Yan-Ping Lei, Lan Wang, Zhi-Min He, Yan Xiong
OBJECTIVE: Endothelial dysfunction plays a pivotal role in the development of diabetic cardiovascular complications. Accumulation of endogenous nitric oxide synthase (NOS) inhibitor asymmetric dimethylarginine (ADMA) and inhibition of dimethylarginine dimethylaminohydrolase (DDAH) activity have been involved in diabetic endothelial dysfunction. This study was to investigate the effect of pyrrolidine dithiocarbamate (PDTC) on impairment of endothelium-dependent vasodilatation in diabetic rats and its potential mechanism...
2017: PloS One
https://www.readbyqxmd.com/read/28715293/surveillance-for-antibodies-against-six-canine-viruses-in-wild-raccoons-procyon-lotor-in-japan
#9
Emiko Aoki, Takehisa Soma, Mayumi Yokoyama, Makoto Matsubayashi, Kazumi Sasai
Raccoons (Procyon lotor) are found worldwide. They are frequently seen in crowded inner cities as well as in forests or wooded areas, often living in proximity to humans and their pets. We examined sera from 100 wild raccoons in Japan for antibodies to six canine viruses with veterinary significance to assess their potential as reservoirs. We also aimed to understand the distribution of potentially infected wildlife. We found that 7% of samples were seropositive for canine distemper virus (CDV), 10% for canine parvovirus type (CPV), 2% for canine adenovirus type 1, 6% for canine adenovirus type 2, and 7% for canine coronavirus...
July 17, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28712033/oncolytic-immunotherapy-unlocking-the-potential-of-viruses-to-help-target-cancer
#10
REVIEW
Omid Hamid, Brianna Hoffner, Eduard Gasal, Jenny Hong, Richard D Carvajal
Oncolytic immunotherapy is a research area of cancer immunotherapy investigating the use of modified viruses to target cancer cells. A variety of different viral backbones (e.g., adenovirus, reovirus) with a diverse range of genetic modifications are currently being investigated for the treatment of a variety of cancers. The oncolytic virus that has advanced the furthest in clinical development is talimogene laherparepvec, a recombinant HSV-1 virus expressing granulocyte-macrophage colony-stimulating factor (GM-CSF)...
July 15, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28711987/getting-genetic-access-to-natural-adenovirus-genomes-to-explore-vector-diversity
#11
REVIEW
Wenli Zhang, Anja Ehrhardt
Recombinant vectors based on the human adenovirus type 5 (HAdV5) have been developed and extensively used in preclinical and clinical studies for over 30 years. However, certain restrictions of HAdV5-based vectors have limited their clinical applications because they are rather inefficient in specifically transducing cells of therapeutic interest that lack the coxsackievirus and adenovirus receptor (CAR). Moreover, enhanced vector-associated toxicity and widespread preexisting immunity have been shown to significantly hamper the effectiveness of HAdV-5-mediated gene transfer...
July 15, 2017: Virus Genes
https://www.readbyqxmd.com/read/28711493/anti-cancer-effect-of-oncolytic-adenovirus-armed-shrna-targeting-mycn-gene-on-doxorubicin-resistant-neuroblastoma-cells
#12
Yuan Li, Baobiao Zhuo, Yiyu Yin, Tao Han, Shixian Li, Zhengwei Li, Jian Wang
Chemotherapy is one of the few effective choices for patients with neuroblastoma. However, the development of muti-drug resistance (MDR) to chemotherapy is a major obstacle to the effective treatment of advanced or recurrent neuroblastoma. The muti-drug resistance-associated protein (MRP), which encodes a transmembrane glycoprotein, is a key regulator of MDR. The expression of MRP is a close correlation with MYCN oncogene in neuroblastoma. We have recently shown ZD55-shMYCN (oncolytic virus armed with shRNA against MYCN) can down-regulate MYCN to inhibit tumor cells proliferation and induce apoptosis in neuroblastoma...
July 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28709866/mesenchymal-stem-cell-transplantation-carried-in-svvyglr-modified-self-assembling-peptide-promoted-cardiac-repair-and-angiogenesis-after-myocardial-infarction
#13
Xi-Ren Gao, Hai-Jun Xu, Li-Fang Wang, Chong-Bin Liu, Feng Yu
The efficiency of stem cell therapy for myocardial infarction (MI) was very low due to the hostile microenvironment and poor blood perfusion. In this study, we designed a new self-assembling peptide through adding angiogenic polypeptide SVVYGLR to the carboxyl terminal of RADA16, and evaluated the therapeutic potential of mesenchymal stem cell (MSC) transplantation carried in this designer self-assembling peptide (DSP) on MI. After the model of cell ischemia and hypoxia was established in vitro, cytoprotective effect of DSP on MSC was detected by AO/EB staining...
July 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28709609/adenovirus-pyelonephritis-in-the-late-posttransplant-period
#14
Gyl Eanes Barros Silva, Valdair Francisco Muglia, Natalino Salgado Filho, Eduardo Medeiros de Araújo, Joyce Santos Lages, Teresa Cristina Alves Ferreira, Roberto Silva Costa, Márcio Dantas
No abstract text is available yet for this article.
August 2017: Kidney International
https://www.readbyqxmd.com/read/28708962/open-label-phase-i-clinical-trial-of-ad5-ebov-in-africans-in-china
#15
Lihua Wu, Zhe Zhang, Hainv Gao, Yuhua Li, Lihua Hou, Hangping Yao, Shipo Wu, Jian Liu, Ling Wang, You Zhai, Huilin Ou, Meihua Lin, Xiaoxin Wu, Jingjing Liu, Guanjing Lang, Qian Xin, Guolan Wu, Li Luo, Pei Liu, Jianzhong Shentu, Nanping Wu, Jifang Sheng, Yunqing Qiu, Wei Chen, Lanjuan Li
BACKGROUND: To determine the safety and immunogenicity of a novel recombinant adenovirus type 5 vector based Ebola virus disease vaccine (Ad5-EBOV) in Africans in China. METHODS: A phase 1, dose-escalation, open-label trial was conducted. 61 healthy Africans were sequentially enrolled, with 31 participants receiving one shot intramuscular injection and 30 participants receiving a double-shot regimen. Primary and secondary end points related to safety and immunogenicity were assessed within 28 days after vaccination...
July 14, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28708530/bambi-promotes-porcine-granulosa-cell-steroidogenesis-involving-tgf-%C3%AE-signaling
#16
Long Bai, Guiyan Chu, Wusu Wang, Aoqi Xiang, Gongshe Yang
Transforming growth factor β (TGF-β), acting as the auto/para endocrine factors, has multi-function in mammalian follicle development. Bone morphogenetic protein and activin membrane-bound inhibitor (BAMBI) is considered as a pseudoreceptor in the TGF-β signal pathway which has the similar extracellular structure of TGF-β receptor but lack of intracellular serine/threonine kinase domains. However, the biological function of BAMBI involved in porcine granulosa cell steroidogenesis remains unknown. This study was thus carried out to explore the effect of BAMBI on the steroidogenesis process in porcine primary granulosa cells...
May 28, 2017: Theriogenology
https://www.readbyqxmd.com/read/28708249/the-impact-of-anthropogenic-pressure-on-the-virological-quality-of-water-from-the-tiber-river-italy
#17
G La Rosa, I Sanseverino, S Della Libera, M Iaconelli, V E V Ferrero, A Barra Caracciolo, T Lettieri
The objective of the present study was to assess the occurrence of major waterborne enteric viruses (enterovirus, norovirus, adenovirus, rotavirus, hepatitis A and E virus) along the Tiber River in Italy, in areas affected by different kinds of anthropogenic pressure (agricultural, urban, industrial, and pristine). Moreover, in light of the recent abundant detection of human bocavirus in urban wastewater samples in Italy, the occurrence of this virus was also assessed. Virus detection was based on nested PCR followed by sequencing, and on Real Time PCR...
July 14, 2017: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/28706421/gastric-cancer-derived-heat-shock-protein-gp96-peptide-complex-enhances-dendritic-cell-activation
#18
Wen-Wen Lu, Hong Zhang, You-Ming Li, Feng Ji
AIM: To investigate the role of heat shock protein (HSP)-glycoprotein (gp)96 in dendritic cells (DCs) and lymphocytes induction in gastric cancer (GC). METHODS: Human GC cell lines KATOIII, MKN-28 and SGC-7901 were infected with adenovirus gp96 at a multiplicity of infection of 100. gp96-GC antigen peptide complexes were purified. MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay, lactate dehydrogenase (LDH) release assay and enzyme-linked immunosorbent assay were used to determine allo-reactive T cell stimulation, natural killer (NK) cell activity and expression of cytokines (such as interleukin (IL)-10, IL-12, interferon (IFN)-γ and tumor necrosis factor (TNF)-α), respectively...
June 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28705429/disinfection-of-tonometers-a-report-by-the-american-academy-of-ophthalmology
#19
Anna K Junk, Philip P Chen, Shan C Lin, Kouros Nouri-Mahdavi, Sunita Radhakrishnan, Kuldev Singh, Teresa C Chen
OBJECTIVE: To examine the efficacy of various disinfection methods for reusable tonometer prisms in eye care and to highlight how disinfectants can damage tonometer tips and cause subsequent patient harm. METHODS: Literature searches were conducted last in October 2016 in the PubMed and the Cochrane Library databases for original research investigations. Reviews, non-English language articles, nonophthalmology articles, surveys, and case reports were excluded. RESULTS: The searches initially yielded 64 unique citations...
July 11, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28704726/bnip3-induction-by-hypoxia-stimulates-fasn-dependent-free-fatty-acid-production-enhancing-therapeutic-potential-of-umbilical-cord-blood-derived-human-mesenchymal-stem-cells
#20
Hyun Jik Lee, Young Hyun Jung, Gee Euhn Choi, So Hee Ko, Sei-Jung Lee, Sang Hun Lee, Ho Jae Han
Mitophagy under hypoxia is an important factor for maintaining and regulating stem cell functions. We previously demonstrated that fatty acid synthase (FASN) induced by hypoxia is a critical lipid metabolic factor determining the therapeutic efficacy of umbilical cord blood-derived human mesenchymal stem cells (UCB-hMSCs). Therefore, we investigated the mechanism of a major mitophagy regulator controlling lipid metabolism and therapeutic potential of UCB-hMSCs. This study revealed that Bcl2/adenovirus E1B 19kDa protein-interacting protein 3 (BNIP3)-dependent mitophagy is important for reducing mitochondrial reactive oxygen species accumulation, anti-apoptosis, and migration under hypoxia...
July 4, 2017: Redox Biology
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