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https://www.readbyqxmd.com/read/28212565/the-mir-675-5p-regulates-the-progression-and-development-of-pancreatic-cancer-via-the-ubqln1-zeb1-mir200-axis
#1
Jue Wang, Youli Zhang, Hong Wei, Xingxing Zhang, Yan Wu, Aihua Gong, Yu Xia, Wenbing Wang, Min Xu
Pancreatic cancer (PC) is a highly lethal disease due to extensive metastatic lesions. Accumulating evidence suggests that miR-675-5p plays different roles in metastasis through the regulation of epithelial to mesenchymal (EMT) and the mesenchymal to epithelial transitions (MET) in different cancers. ZEB1 promotes the EMT process by controlling the expression of E-cadherin and may have a reciprocal regulation with Ubiquilin1 (UBQLN1) and mir-200 family in cancer progression. In the present study, we showed that decreased expression of miR-675-5p is associated with the enhanced cell proliferation and survival of PC cells, while the increased expression of mir-675-5p shows the opposite one...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212564/s100a7-promotes-the-migration-invasion-and-metastasis-of-human-cervical-cancer-cells-through-epithelial-mesenchymal-transition
#2
Tian Tian, Xukun Li, Zhen Hua, Jianlin Ma, Xiaowei Wu, Zhihua Liu, Hongyan Chen, Zhumei Cui
S100A7 is an EF-hand calcium-binding protein that has been suggested to be implicated in cell proliferation, migration, invasion and tumor metastasis. However, its role in cervical cancer has not yet been fully clarified. The present study used immunohistochemistry analysis of S100A7 in clinical specimens of cervical cancer to show that S100A7 expression was significantly upregulated in cervical cancer tissues compared with normal cervical tissues and S100A7 expression in high grade cervical intraepithelial neoplasm (CIN) was significantly higher than cervical cancer...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212558/ataxin-1-regulates-epithelial-mesenchymal-transition-of-cervical-cancer-cells
#3
A-Ram Kang, Hyoung-Tae An, Jesang Ko, Seongman Kang
The mutant form of the protein ataxin-1 (ATXN1) causes the neurodegenerative disease spinocerebellar ataxia type-1. Recently, ATXN1 was reported to enhance E-cadherin expression in the breast cancer cell line MCF-7, suggesting a potential association between ATXN1 and cancer development. In the present study, we discovered a novel mechanism through which ATXN1 regulates the epithelial-mesenchymal transition (EMT) of cancer cells. Hypoxia-induced upregulation of the Notch intracellular domain expression decreased ATXN1 expression via MDM2-associated ubiquitination and degradation...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212547/resveratrol-induces-cell-cycle-arrest-and-apoptosis-with-docetaxel-in-prostate-cancer-cells-via-a-p53-p21waf1-cip1-and-p27kip1-pathway
#4
Santosh Kumar Singh, Saswati Banerjee, Edward P Acosta, James W Lillard, Rajesh Singh
Resveratrol (RES) is the most effective natural products used for the treatment of a variety of cancers. In this study, we tested the effect of RES in enhancing the efficacy of docetaxel (DTX) treatment in prostate cancer (PCa) cells. The C4-2B and DU-145 cell lines were treated with RES, DTX and combination followed by evaluating the apoptosis and cell cycle progression. The combined drug treatment up-regulates the pro-apoptotic genes (BAX, BID, and BAK), cleaved PARP and down regulates the anti-apoptotic genes (MCL-1, BCL-2, BCL-XL) promoting apoptosis...
February 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212538/sevoflurane-preconditioning-induced-endogenous-neurogenesis-against-ischemic-brain-injury-by-promoting-microglial-activation
#5
Li Li, Hexige Saiyin, Jingmo Xie, Lixiang Ma, Lei Xue, Wei Wang, Weimin Liang, Qiong Yu
Brain ischemia causes irreversible damage to functional neurons in cases of infarct. Promoting endogenous neurogenesis to replace necrotic neurons is a promising therapeutic strategy for ischemia patients. The neuroprotective role of sevoflurane preconditioning implies that it might also enhance endogenous neurogenesis and functional restoration in the infarct region. By using a transient middle cerebral artery occlusion (tMCAO) model, we discovered that endogenous neurogenesis was enhanced by sevoflurane preconditioning...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212533/upregulation-of-long-non-coding-rna-plncrna-1-promotes-proliferation-and-induces-epithelial-mesenchymal-transition-in-prostate-cancer
#6
Yang Jin, Zilian Cui, Xudong Li, Xunbo Jin, Jian Peng
OBJECTIVE: To confirm that PlncRNA-1 regulates the cell cycle in prostate cancer cells and induces epithelial-mesenchymal transition (EMT) in prostate cancer through the TGF-β1 pathway. RESULTS: PlncRNA-1 and TGF-β1 expression levels were significantly higher in prostate cancer tissues than in normal prostate tissues (P < 0.05) and were significantly positively correlated. TGF-β1, N-cadherin and Cyclin-D1 were downregulated and E-Cadherin was upregulated in LNCAP cells after silencing of PlncRNA-1, as determined by real-time PCR and Western blot...
February 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212443/recurrent-rearrangements-of-the-myb-sant-like-dna-binding-domain-containing-3-gene-msantd3-in-salivary-gland-acinic-cell-carcinoma
#7
Nicholas Barasch, Xue Gong, Kevin A Kwei, Sushama Varma, Jewison Biscocho, Kunbin Qu, Nan Xiao, Joseph S Lipsick, Robert J Pelham, Robert B West, Jonathan R Pollack
Pathogenic gene fusions have been identified in several histologic types of salivary gland neoplasia, but not previously in acinic cell carcinoma (AcCC). To discover novel gene fusions, we performed whole-transcriptome sequencing surveys of three AcCC archival cases. In one specimen we identified a novel HTN3-MSANTD3 gene fusion, and in another a novel PRB3-ZNF217 gene fusion. The structure of both fusions was consistent with the promoter of the 5' partner (HTN3 or PRB3), both highly expressed salivary gland genes, driving overexpression of full-length MSANTD3 or ZNF217...
2017: PloS One
https://www.readbyqxmd.com/read/28212430/a-calmodulin-like-protein-suppresses-rna-silencing-and-promotes-geminivirus-infection-by-degrading-sgs3-via-the-autophagy-pathway-in-nicotiana-benthamiana
#8
Fangfang Li, Nan Zhao, Zhenghe Li, Xiongbiao Xu, Yaqin Wang, Xiuling Yang, Shu-Sheng Liu, Aiming Wang, Xueping Zhou
A recently characterized calmodulin-like protein is an endogenous RNA silencing suppressor that suppresses sense-RNA induced post-transcriptional gene silencing (S-PTGS) and enhances virus infection, but the mechanism underlying calmodulin-like protein-mediated S-PTGS suppression is obscure. Here, we show that a calmodulin-like protein from Nicotiana benthamiana (NbCaM) interacts with Suppressor of Gene Silencing 3 (NbSGS3). Deletion analyses showed that domains essential for the interaction between NbSGS3 and NbCaM are also required for the subcellular localization of NbSGS3 and NbCaM suppressor activity...
February 17, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28212352/rta-occupancy-of-the-origin-of-lytic-replication-during-murine-gammaherpesvirus-68-reactivation-from-b-cell-latency
#9
Alexis L Santana, Darby G Oldenburg, Varvara Kirillov, Laraib Malik, Qiwen Dong, Roman Sinayev, Kenneth B Marcu, Douglas W White, Laurie T Krug
RTA, the viral Replication and Transcription Activator, is essential for rhadinovirus lytic gene expression upon de novo infection and reactivation from latency. Lipopolysaccharide (LPS)/toll-like receptor (TLR)4 engagement enhances rhadinovirus reactivation. We developed two new systems to examine the interaction of RTA with host NF-kappaB (NF-κB) signaling during murine gammaherpesvirus 68 (MHV68) infection: a latent B cell line (HE-RIT) inducible for RTA-Flag expression and virus reactivation; and a recombinant virus (MHV68-RTA-Bio) that enabled in vivo biotinylation of RTA in BirA transgenic mice...
February 16, 2017: Pathogens
https://www.readbyqxmd.com/read/28211933/enhanced-bone-tissue-regeneration-using-a-3d-printed-microstructure-incorporated-with-a-hybrid-nano-hydrogel
#10
Dong Nyoung Heo, Nathan J Castro, Se-Jun Lee, Hanaul Noh, Wei Zhu, Lijie Grace Zhang
Three-dimensional (3D) functional constructs with biomimetic mechanical and chemical properties are ideal for various regenerative medicine applications. These properties of 3D fabricated constructs mainly depend on the intrinsic characteristics of the materials and fabrication method. In this respect, the current use of hydrogels for musculoskeletal tissue repair is not ideal due to the lack of suitable mechanical properties, as well as the high biomimetic requirement for success. To overcome this limitation, we developed a novel functionalized hydrogel with bioactive gold nanoparticles (GNPs), reinforcing a 3D printed microstructure via fused deposition modeling (FDM) for bone tissue regeneration...
February 17, 2017: Nanoscale
https://www.readbyqxmd.com/read/28211932/nanostructured-material-based-biofuel-cells-recent-advances-and-future-prospects
#11
REVIEW
Cui-E Zhao, Panpan Gai, Rongbin Song, Ying Chen, Jianrong Zhang, Jun-Jie Zhu
During the past decade, biofuel cells (BFCs) have emerged as an emerging technology on account of their ability to directly generate electricity from biologically renewable catalysts and fuels. Due to the boost in nanotechnology, significant advances have been accomplished in BFCs. Although it is still challenging to promote the performance of BFCs, adopting nanostructured materials for BFC construction has been extensively proposed as an effective and promising strategy to achieve high energy production. In this review, we presented the major novel nanostructured materials applied for BFCs and highlighted the breakthroughs in this field...
February 17, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28211923/electrical-and-photocatalytic-properties-of-boron-doped-zno-nanostructure-grown-on-pet-ito-flexible-substrates-by-hydrothermal-method
#12
Wei Wang, Taotao Ai, Qi Yu
Boron-doped zinc oxide sheet-spheres were synthesized on PET-ITO flexible substrates using a hydrothermal method at 90 °C for 5 h. The results of X-ray diffraction and X-ray photoelectron spectroscopy indicated that the B atoms were successfully doped into the ZnO lattice, the incorporation of B led to an increase in the lattice constant of ZnO and a change in its internal stress. The growth mechanism of pure ZnO nanorods and B-doped ZnO sheet-spheres was specifically investigated. The as-prepared BZO/PET-ITO heterojunction possessed obvious rectification properties and its positive turn-on voltage was 0...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211911/three-dimensional-printing-of-calcium-sulfate-and-mesoporous-bioactive-glass-scaffolds-for-improving-bone-regeneration-in-vitro-and-in-vivo
#13
Xin Qi, Peng Pei, Min Zhu, Xiaoyu Du, Chen Xin, Shichang Zhao, Xiaolin Li, Yufang Zhu
In the clinic, bone defects resulting from infections, trauma, surgical resection and genetic malformations remain a significant challenge. In the field of bone tissue engineering, three-dimensional (3D) scaffolds are promising for the treatment of bone defects. In this study, calcium sulfate hydrate (CSH)/mesoporous bioactive glass (MBG) scaffolds were successfully fabricated using a 3D printing technique, which had a regular and uniform square macroporous structure, high porosity and excellent apatite mineralization ability...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211893/superior-adsorption-and-photoinduced-carries-transfer-behaviors-of-dandelion-shaped-bi2s3-mos2-experiments-and-theory
#14
Mengjiao Li, Junyong Wang, Peng Zhang, Qinglin Deng, Jinzhong Zhang, Kai Jiang, Zhigao Hu, Junhao Chu
The enhanced light-harvesting capacity and effective separation of photogenerated carriers in fantastic hierarchical heterostructures enjoy striking attention for potential applications in the field of solar cells and photocatalysis. A three-dimensional (3D) dandelion-shaped hierarchical Bi2S3 microsphere compactly decorated with wing-shaped few layered MoS2 lamella (D-BM) was fabricated via a facile hydrothermal self-assembly process. Especially, polyethylene glycol (PEG) has been proven as the vital template to form D-BM microsphere...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211849/improvement-of-multiple-agronomic-traits-by-a-disease-resistance-gene-via-cell-wall-reinforcement
#15
Keming Hu, Jianbo Cao, Jie Zhang, Fan Xia, Yinggen Ke, Haitao Zhang, Wenya Xie, Hongbo Liu, Ying Cui, Yinglong Cao, Xinli Sun, Jinghua Xiao, Xianghua Li, Qinglu Zhang, Shiping Wang
The major disease resistance gene Xa4 confers race-specific durable resistance against Xanthomonas oryzae pv. oryzae, which causes the most damaging bacterial disease in rice worldwide. Although Xa4 has been one of the most widely exploited resistance genes in rice production worldwide, its molecular nature remains unknown. Here we show that Xa4, encoding a cell wall-associated kinase, improves multiple traits of agronomic importance without compromising grain yield by strengthening the cell wall via promoting cellulose synthesis and suppressing cell wall loosening...
February 17, 2017: Nature Plants
https://www.readbyqxmd.com/read/28211362/marrow-isolated-adult-multilineage-inducible-cells-embedded-within-a-biologically-inspired-construct-promote-recovery-in-a-mouse-model-of-peripheral-vascular-disease
#16
Cristina Grau-Monge, Gaëtan J-R Delcroix, Andrea Bonnin-Marquez, Mike Valdes, Ead Lewis Mazen Awadallah, Daniel F Quevedo, Maxime R Armour, Ramon B Montero, Paul C Schiller, Fotios M Andreopoulos, Gianluca D'Ippolito
Peripheral vascular disease is one of the major vascular complications in individuals suffering from diabetes and in the elderly that is associated with significant burden in terms of morbidity and mortality. Stem cell therapy is being tested as an attractive alternative to traditional surgery to prevent and treat this disorder. The goal of this study was to enhance the protective and reparative potential of marrow-isolated adult multilineage inducible (MIAMI) cells by incorporating them within a bio-inspired construct (BIC) made of two layers of gelatin B electrospun nanofibers...
February 17, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28211272/effects-of-dimethyloxalylglycine-embedded-poly-%C3%AE%C2%B5-caprolactone-fiber-meshes-on-wound-healing-in-diabetic-rats
#17
Qiankun Zhang, Joung-Hwan Oh, Chan Ho Park, Jeong-Hwa Baek, Hyun-Mo Ryoo, Kyung Mi Woo
Impaired wound healing in diabetic patients is associated with altered inflammatory responses, poor angiogenesis, deficient extracellular matrix (ECM) component, and peripheral neuropathy. To develop a wound dressing that is capable of the controlled delivery of bioactive small molecules that can improve diabetic wound healing, dimethyloxalylglycine (DMOG)-embedded poly(ε-caprolactone) (PCL) fiber (PCLF/DMOG) meshes are fabricated by electrospinning, and the effects of the PCLF/DMOG meshes on wound healing in diabetic rats are evaluated...
February 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28210979/the-skin-as-a-route-of-allergen-exposure-part-ii-allergens-and-role-of-the-microbiome-and-environmental-exposures
#18
REVIEW
George Knaysi, Anna R Smith, Jeffrey M Wilson, Julia A Wisniewski
PURPOSE OF REVIEW: This second part of the article aims to highlight recent contributions in the literature that enhance our understanding of the cutaneous immune response to allergen. RECENT FINDINGS: Several properties of allergens facilitate barrier disruption and cutaneous sensitization. There is a strong epidemiologic relationship between the microbiome, both the gut and skin, and atopic dermatitis (AD). The mechanisms connecting these two entities remain enigmatic; however, recent murine models show that commensal skin bacteria play an active role in supporting skin barrier homeostasis and defense against microbial penetration...
January 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28210815/structural-proteins-of-helicoverpa-armigera-densovirus-2-enhance-transcription-of-viral-genes-through-transactivation
#19
Pengjun Xu, He Yuan, Xianming Yang, Robert I Graham, Kaiyu Liu, Kongming Wu
Herein, we report the identification of putative promoters for the non-structural proteins (NS) and capsid structural proteins (VP) of Helicoverpa armigera densovirus (HaDV2) as well as a potential mechanism for how these promoters might be regulated. For the first time, we report that VP is able to transactivate the VP promoter and, to a lesser degree, the NS promoter in densoviruses. In addition to this, another promoter-like sequence designated P2, when co-transfected with the VP gene, enhanced luciferase activity by approximately 35 times compared to a control...
February 16, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28210805/transcutaneous-carbon-dioxide-application-accelerates-muscle-injury-repair-in-rat-models
#20
Shiho Akahane, Yoshitada Sakai, Takeshi Ueha, Hanako Nishimoto, Miho Inoue, Takahiro Niikura, Ryosuke Kuroda
PURPOSE: Skeletal muscle injuries are commonly observed in sports and traumatology medicine. Previously, we demonstrated that transcutaneous application of carbon dioxide (CO2) to lower limbs increased the number of muscle mitochondria and promoted muscle endurance. Therefore, we aimed to investigate whether transcutaneous CO2 application could enhance recovery from muscle injury. METHODS: Tibialis anterior muscle damage was induced in 27 Sprague Dawley rats via intramuscular injection of bupivacaine...
February 16, 2017: International Orthopaedics
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