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https://www.readbyqxmd.com/read/28231690/downregulation-of-hur-inhibits-the-progression-of-esophageal-cancer-through-interleukin-18
#1
Xiaohui Xu, Cheng Song, Zhihua Chen, Chenxiao Yu, Yi Wang, Yiting Tang, Judong Luo
Purpose: To investigate the effect of HuR downregulation and the potential target genes of HuR on the progression of esophageal squamous cell carcinoma (ESCC). Materials and Methods: In this study, a proteomics assay was used to detect the expression of proteins after HuR downregulation, and a luciferase assay was used to detect the potential presence of a HuR binding site on the 3'-UTR of IL-18. In addition, colony formation assay, MTT, EdU incorporation assay, Western blot, flow cytometry, immunohistochemistry, transwell invasion assay and wound healing assay were used...
February 24, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28231592/cxcr4-a-new-player-in-an-old-scene
#2
Andreas Knopf, Marie Kristin Fritsche, Yin Li
Transmembrane C-X-C chemokine receptor 4 (CXCR4) and its ligand C-X-C motif chemokine 12 (CXCL12) came into focus in many solid cancers, allowing a more fundamental diagnostic and therapeutic approach by modulating the immune response against cancer cells. CXCR4 and CXCL12 mediate cell proliferation, migration, and metastatic outgrowth in head and neck squamous cell carcinoma (HNSCC) and are strongly associated with cancer recurrence and patient survival. Despite recent advances in molecular imaging and cancer therapy in lymphoma using CXCL12 analogues, clinical trials evaluating the diagnostic and therapeutic impact on HNSCC are missing...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28231542/in-vitro-biocompatibility-and-proliferative-effects-of-polar-and-non-polar-extracts-of-cucurbita-ficifolia-on-human-mesenchymal-stem-cells
#3
Balakrishnan Aristatile, Ghedeir M Alshammari
Cucurbita ficifolia (C. ficifolia) has been traditionally known for its medicinal properties as an antioxidant, anti-diabetic and anti-inflammatory agent. However, there has been an enduring attention towards the identification of unique method, to isolate the natural components for therapeutic applications. Our study focuses on different polar and non-polar solvents (methanol, hexane and chloroform) to extract the bioactive components from C. ficifolia (pumpkin) and to study the biocompatibility and cytotoxicity effects on human bone marrow-mesenchymal stem cells (hBM-MSCs)...
February 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28231541/endogenous-microrna-424-predicts-clinical-outcome-and-its-inhibition-acts-as-cancer-suppressor-in-human-non-small-cell-lung-cancer
#4
Yu Wang, Zhenyang Lv, Junfeng Fu, Ze Wang, Zhe Fan, Ting Lei
PURPOSE: We examined the expression, clinical correlation and functional mechanisms of endogenous microRNA-424 (miR-424) in human non-small cell lung cancer (NSCLC). METHODS: Expression pattern of endogenous miR-424 was examined by qRT-PCR in clinical samples obtained from 233 NSCLC patients. Correlations between differential miR-424 expression level (low vs. high) and NSCLC patients' clinicopathological parameters or survival were statistically examined. In in vitro NSCLC H596 and SW900 cells, miR-424 was either upregulated or downregulation by lentiviral transduction...
February 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28231521/therapeutic-journey-of-2-4-thiazolidinediones-as-a-versatile-scaffold-an-insight-into-structure-activity-relationship
#5
REVIEW
Mohd Javed Naim, Md Jahangir Alam, Shujauddin Ahmad, Farah Nawaz, Neelima Shrivastava, Meeta Sahu, Ozair Alam
Thiazolidinedione is an important heterocyclic ring system, a pharmacophore and a privileged scaffold in medicinal chemistry; is a derivative of thiazolidine ring which came into existence for its role as antihyperglycemic agent and a specific ligand of PPAR's (Peroxisome proliferator activated receptor). Exhaustive research has led to determination of its vast biological profile with wide range of therapeutic applications. This review covers recent pharmacological advancements of thiazolidinedione moiety along with structure activity relationship so as to provide better correlation among different structures and their receptor interactions...
February 20, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28231508/regulating-dynamic-signaling-between-hematopoietic-stem-cells-and-niche-cells-via-a-hydrogel-matrix
#6
Bhushan P Mahadik, Narayanan A K Bharadwaj, Randy H Ewoldt, Brendan A C Harley
Hematopoietic stem cells (HSC) reside in unique bone marrow niches and are influenced by signals from surrounding cells, the extracellular matrix (ECM), ECM-bound or diffusible biomolecules. Here we describe the use of a three-dimensional hydrogel to alter the balance of HSC-generated autocrine feedback and paracrine signals generated by co-cultured niche-associated cells. We report shifts in HSC proliferation rate and fate specification in the presence of lineage positive (Lin(+)) niche cells. Hydrogels promoting autocrine feedback enhanced expansion of early hematopoietic progenitors while paracrine signals from Lin(+) cells increased myeloid differentiation...
February 14, 2017: Biomaterials
https://www.readbyqxmd.com/read/28231426/engineering-of-anti-cd133-tri-specific-molecule-capable-of-inducing-nk-expansion-and-driving-antibody-dependent-cell-mediated-cytotoxicity-adcc
#7
Jörg U Schmohl, Martin Felices, Felix Oh, Alexander J Lenvik, Aaron M Lebeau, Jayanth Panyam, Jeffrey S Miller, Daniel A Vallera
Purpose: The selective elimination of cancer stem cells (CSCs) in tumor patients is a crucial goal because CSCs cause drug refractory relapse. To improve the current conventional bispecific immune-engager platform, a 16133 BiKE, consisting of scFvs binding FcγRIII (CD16) on NK cells and CD133 on carcinoma cells, was first synthesized and a modified IL-15 crosslinker capable of stimulating NK effector cells was introduced. Materials and Methods: DNA shuffling and ligation techniques were used to assemble and synthesize the 1615133 trispecific NK cell engager (TriKE)...
February 20, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28231414/mir-135a-3p-as-a-promising-biomarker-and-nucleic-acid-therapeutic-agent-for-ovarian-cancer
#8
Satoshi Fukagawa, Kohei Miyata, Fusanori Yotsumoto, Chihiro Kiyoshima, Sung Ouk Nam, Haruchika Anan, Takahiro Katsuda, Daisuke Miyahara, Masaharu Murata, Hiroshi Yagi, Kyoko Shirota, Shin'ichiro Yasunaga, Kiyoko Kato, Shingo Miyamoto
Ovarian cancer is the most lethal gynecologic malignancy. Recently, several molecularly targeted anticancer agents have been developed for ovarian cancer; however, its prognosis has remained extremely poor. The development of molecularly targeted therapy, as well as companion diagnostics, is required to improve outcomes for patients with ovarian cancer. In this study, to identify microRNAs involved in the progression of ovarian cancer we analyzed serum microRNAs in patients with ovarian cancer using microRNA array and qRT-PCR and examined the anticancer properties of microRNA expression in ovarian cancer cells...
February 23, 2017: Cancer Science
https://www.readbyqxmd.com/read/28231410/transcriptomic-analyses-of-rna-binding-proteins-reveal-eif3c-promotes-cell-proliferation-in-hepatocellular-carcinoma
#9
Tangjian Li, Shengli Li, Di Chen, Bing Chen, Tao Yu, Fangyu Zhao, Qifeng Wang, Ming Yao, Shenglin Huang, Zhiao Chen, Xianghuo He
RNA-binding proteins (RBPs) play fundamental roles in the RNA life cycle. The aberrant expression of RBPs is often observed in human disease, including cancer. In this study, we screened for the expression levels of 1,542 human RBPs in The Cancer Genome Atlas liver hepatocellular carcinoma (TCGA LIHC) samples and found 92 consistently up-regulated RBP genes in HCC compared with normal samples. Additionally, we performed a Kaplan-Meier analysis and found that high expression of 15 RBP genes was associated with poor prognosis in patients with HCC...
February 23, 2017: Cancer Science
https://www.readbyqxmd.com/read/28231401/reappraisal-of-ebv-in-diffuse-large-b-cell-lymphoma-dlbcl-comparative-analysis-between-ebv-positive-and-negative-dlbcl-with-ebv-positive-bystander-cells
#10
Akiko Ohashi, Seiichi Kato, Akinao Okamoto, Yoko Inaguma, Akira Satou, Toyonori Tsuzuki, Nobuhiko Emi, Masataka Okamoto, Shigeo Nakamura
AIMS: Epstein-Barr virus (EBV)-positive diffuse large B-cell lymphoma (DLBCL), not otherwise specified (NOS) is defined as monoclonal EBV(+) B-cell proliferation affecting patients without any known immunosuppression. Non-neoplastic EBV(+) cells proliferating in or adjacent to EBV(-) DLBCL were reported recently, but their clinical significance is unclear. Thus, we investigated the prognostic impact of EBV(+) cells in DLBCL. METHODS AND RESULTS: We compared the clinico-pathological characteristics of 30 EBV(+) DLBCL patients and 29 and 604 EBV(-) DLBCL patients with and without EBV(+) bystander cells (median age of onset 71, 67, and 62 years, respectively)...
February 23, 2017: Histopathology
https://www.readbyqxmd.com/read/28231333/molecular-mechanisms-of-cooperative-binding-of-transcription-factors-runx1-cbf%C3%AE-ets1-on-the-tcr%C3%AE-gene-enhancer
#11
Kota Kasahara, Masaaki Shiina, Ikuo Fukuda, Kazuhiro Ogata, Haruki Nakamura
Ets1 is an essential transcription factor (TF) for several important physiological processes, including cell proliferation and differentiation. Its recognition of the enhancer region of the TCRα gene is enhanced by the cooperative binding of the Runx1-CBFβ heterodimer, with the cancelation of phosphorylation-dependent autoinhibition. The detailed mechanism of this interesting cooperativity between Ets1 and the Runx1-CBFβ heterodimer is still largely unclear. Here, we investigated the molecular mechanisms of this cooperativity, by using molecular dynamics simulations...
2017: PloS One
https://www.readbyqxmd.com/read/28231331/mesenchymal-stromal-cells-mscs-induce-ex-vivo-proliferation-and-erythroid-commitment-of-cord-blood-haematopoietic-stem-cells-cb-cd34-cells
#12
Simone Perucca, Andrea Di Palma, Pier Paolo Piccaluga, Claudia Gemelli, Elisa Zoratti, Giulio Bassi, Edoardo Giacopuzzi, Andrea Lojacono, Giuseppe Borsani, Enrico Tagliafico, Maria Teresa Scupoli, Simona Bernardi, Camilla Zanaglio, Federica Cattina, Valeria Cancelli, Michele Malagola, Mauro Krampera, Mirella Marini, Camillo Almici, Sergio Ferrari, Domenico Russo
A human bone marrow-derived mesenchymal stromal cell (MSCs) and cord blood-derived CD34+ stem cell co-culture system was set up in order to evaluate the proliferative and differentiative effects induced by MSCs on CD34+ stem cells, and the reciprocal influences on gene expression profiles. After 10 days of co-culture, non-adherent (SN-fraction) and adherent (AD-fraction) CD34+ stem cells were collected and analysed separately. In the presence of MSCs, a significant increase in CD34+ cell number was observed (fold increase = 14...
2017: PloS One
https://www.readbyqxmd.com/read/28231291/osteosarcoma-cell-proliferation-and-survival-requires-mglur5-receptor-activity-and-is-blocked-by-riluzole
#13
Sally Liao, Yuleisy Ruiz, Hira Gulzar, Zarina Yelskaya, Lyes Ait Taouit, Murielle Houssou, Trisha Jaikaran, Yuriy Schvarts, Kristina Kozlitina, Upal Basu-Roy, Alka Mansukhani, Shahana S Mahajan
Osteosarcomas are malignant tumors of bone, most commonly seen in children and adolescents. Despite advances in modern medicine, the poor survival rate of metastatic osteosarcoma has not improved in two decades. In the present study we have investigated the effect of Riluzole on a human and mouse metastatic osteosarcoma cells. We show that LM7 cells secrete glutamate in the media and that mGluR5 receptors are required for the proliferation of LM7 cells. Riluzole, which is known to inhibit glutamate release, inhibits proliferation, induces apoptosis and prevents migration of LM7 cells...
2017: PloS One
https://www.readbyqxmd.com/read/28231275/suppression-of-tgf-%C3%AE-pathway-by-pirfenidone-decreases-extracellular-matrix-deposition-in-ocular-fibroblasts-in-vitro
#14
Thomas Stahnke, Bhavani S Kowtharapu, Oliver Stachs, Klaus-Peter Schmitz, Johannes Wurm, Andreas Wree, Rudolf Friedrich Guthoff, Marina Hovakimyan
In glaucoma surgery, fibrotic processes occur, leading to impairment of liquid outflow. Activated fibroblasts are responsible for postoperative scarring. The transforming growth factor-β (TGF-β) pathway plays a key role in fibroblast function, differentiation and proliferation. The aim of this study was the characterization of the fibrotic potential of two subtypes of primary human ocular fibroblasts and the attempt to inhibit fibrotic processes specifically, without impairing cell viability. For fibrosis inhibition we focused on the small molecule pirfenidone, which has been shown to prevent pulmonary fibrosis by the decrease of the expression of TGF-β1, TGF-β2 and TGF-β3 cytokines...
2017: PloS One
https://www.readbyqxmd.com/read/28231273/periovulatory-follicular-fluid-levels-of-estradiol-trigger-inflammatory-and-dna-damage-responses-in-oviduct-epithelial-cells
#15
Sergio E Palma-Vera, Jennifer Schoen, Shuai Chen
OBJECTIVE: Ovarian steroid hormones (mainly E2 and P4) regulate oviduct physiology. Serum-E2 acts on the oviduct epithelium from the basolateral cell compartment. Upon ovulation, the apical compartment of the oviduct epithelium is temporarily exposed to follicular fluid, which contains much higher levels of E2 than serum. The aim of this study was to evaluate the effects of human periovulatory follicular fluid levels of E2 on oviduct epithelial cells using two porcine in vitro models...
2017: PloS One
https://www.readbyqxmd.com/read/28231270/correction-htlv-1-bzip-factor-enhances-t-cell-proliferation-by-impeding-the-suppressive-signaling-of-co-inhibitory-receptors
#16
Haruka Kinosada, Jun-Ichirou Yasunaga, Kazuya Shimura, Paola Miyazato, Chiho Onishi, Tomonori Iyoda, Kayo Inaba, Masao Matsuoka
[This corrects the article DOI: 10.1371/journal.ppat.1006120.].
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28231262/oleanolic-acid-induces-migration-in-mv1lu-and-mda-mb-231-epithelial-cells-involving-egf-receptor-and-map-kinases-activation
#17
Ángel Bernabé-García, David Armero-Barranco, Sergio Liarte, María Ruzafa-Martínez, Antonio Jesús Ramos-Morcillo, Francisco José Nicolás
During wound healing, skin function is restored by the action of several cell types that undergo differentiation, migration, proliferation and/or apoptosis. These dynamics are tightly regulated by the evolution of the extra cellular matrix (ECM) contents along the process. Pharmacologically active flavonoids have shown to exhibit useful physiological properties interesting in pathological states. Among them, oleanolic acid (OA), a pentacyclic triterpene, shows promising properties over wound healing, as increased cell migration in vitro and improved wound resolution in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28231233/association-of-topoisomerase-ii-top2a-and-dual-specificity-phosphatase-6-dusp6-single-nucleotide-polymorphisms-with-radiation-treatment-response-and-prognosis-of-lung-cancer-in-han-chinese
#18
Tian-Lu Wang, Yang-Wu Ren, He-Tong Wang, Hong Yu, Yu-Xia Zhao
BACKGROUND Mutations of DNA topoisomerase II (TOP2A) are associated with chemotherapy resistance, whereas dual-specificity phosphatase 6 (DUSP6) negatively regulates members of the mitogen-activated protein (MAP) kinase superfamily to control cell proliferation. This study assessed TOP2A and DUSP6 single nucleotide polymorphisms (SNPs) in non-small cell lung cancer (NSCLC) patients for association with chemoradiotherapy responses and prognosis. MATERIAL AND METHODS A total of 140 Chinese patients with histologically confirmed NSCLC were enrolled and subjected to genotyping of TOP2A rs471692 and DUSP6 rs2279574 using Taqman PCR...
February 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28231052/review-the-role-of-peroxisome-proliferator-activated-receptor-in-the-treatment-of-non-alcoholic-fatty-liver-disease
#19
Xin Sun, Yan Zhang, Meilin Xie
Non-alcoholic fatty liver disease (NAFLD) has been defined as a spectrum of histological abnormalities and is characterized by significant and excessive accumulation of triglycerides in the hepatocytes in patients without alcohol consumption or other diseases. Current studies are targeting new molecular mechanisms that underlie NAFLD and associated metabolic disorders. Many therapeutic targets have been found and used in clinical studies. Peroxisome proliferator-activated receptors (PPARs) are among the potential targets and have been demonstrated to exert a pivotal role in modulation of NAFLD...
March 1, 2017: Acta Pharmaceutica
https://www.readbyqxmd.com/read/28231049/original-research-paper-hydrazinyldiene-chroman-2-4-diones-in-inducing-growth-arrest-and-apoptosis-in-breast-cancer-cells-synergism-with-doxorubicin-and-correlation-with-physicochemical-properties
#20
Lulzime Ballazhi, Faik Imeri, Ahmed Jashari, Emil Popovski, Goran Stojković, Aleksandar J Dimovski, Bozhana Mikhova, Kristina Mladenovska
This study evaluates the effects of previously synthesized hydrazinyldiene-chroman-2,4-diones on cell proliferation and apoptosis, cell cycle distribution and migration capacity of MCF-7 breast cancer cells in synergy with doxorubicin. Physicochemical properties of the synthesized compounds were correlated with their structure and activity. Significant cell viability decrease in comparison with the effect of doxorubicin alone and the reference 4-hydroxycoumarin was observed when combination treatment comprising doxorubicin and the title compounds was applied...
March 1, 2017: Acta Pharmaceutica
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