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https://www.readbyqxmd.com/read/28535629/-association-between-sorcs1-rs1416406-and-therapeutic-effect-of-exenatide
#1
L M Zhou, W Xu, X M Yan, M X Y Li, H Liang, J P Weng
Objective: To study the relationship between SORCS1 gene rs1416406 and efficiency of exenatide. Methods: Between August 2010 and August 2012, a hundred and one newly diagnosed patients with type 2 diabetes mellitus (T2DM) were from CONFIDENCE study covering 25 university-affiliated hospitals in 13 provinces of China. All patients received exenatide treatment for 48 weeks. Hemoglobin A1c (HbA1c), fasting plasma glucose (FPG), body mass index (BMI), oral glucose tolerance test (OGTT) glucose and insulin levels were measured before and after therapy...
May 16, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28535533/malat1-modulates-tgf-%C3%AE-1-induced-endothelial-to-mesenchymal-transition-through-downregulation-of-mir-145
#2
Yin Xiang, Yachen Zhang, Yong Tang, Qianhui Li
BACKGROUND/AIMS: Endothelial-to-mesenchymal transition (EndMT) plays significant roles under various pathological conditions including cardiovascular diseases, fibrosis, and cancer. EndMT of endothelial progenitor cells (EPCs) contributes to neointimal hyperplasia following cell therapy Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) is a long non-coding RNA (lncRNA) that promotes metastasis and cancer. MicroRNA-145 (miR-145) is a tumor suppressor that has been reported to inhibit SMAD3-mediated epithelial-to-mesenchymal transition (EMT) of cancer cells...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28535014/mir-455-inhibits-cell-proliferation-and-migration-via-negative-regulation-of-egfr-in-human-gastric-cancer
#3
Tao Ning, Zhijuan Peng, Shuang Li, Yanjun Qu, Haiyang Zhang, Jingjing Duan, Xinyi Wang, Haiou Yang, Rui Liu, Ting Deng, Ming Bai, Yi Wang, Yiran Si, Le Zhang, Xia Wang, Shaohua Ge, Likun Zhou, Guoguang Ying, Yi Ba
Epidermal growth factor receptor (EGFR) plays an important role in various types of cancer. However, the therapeutic agents that target EGFR have not produced favorable results in gastric cancer. miRNAs are known to regulate gene expression at the post-transcriptional level. We wondered if miRNAs could be potential therapeutic agents for the targeted therapy against EGFR. In this study, we found an increase in the copies of EGFR mRNA and the upregulated expression of the EGFR protein in gastric cancer tissues compared with normal gastric tissues...
May 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534535/the-potential-of-organoids-in-urological-cancer-research
#4
REVIEW
Shangqian Wang, Dong Gao, Yu Chen
Technical advances in the development of organoid systems enable cell lines, primary adult cells, or stem or progenitor cells to develop into diverse, multicellular entities, which can self-renew, self-organize, and differentiate. These 3D organoid cultures have proven to be of value in increasing our understanding of the biology of disease and offer the potential of regenerative and genetic therapies. The successful application of 3D organoids derived from adult tissue into urological cancer research can further our understanding of these diseases and could also provide preclinical cancer models to realize the precision medicine paradigm by therapeutic screening of individual patient samples ex vivo...
May 23, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28534516/transcriptional-and-posttranscriptional-regulation-of-hoxa13-by-lncrna-hottip-facilitates-tumorigenesis-and-metastasis-in-esophageal-squamous-carcinoma-cells
#5
C Lin, Y Wang, Y Wang, S Zhang, L Yu, C Guo, H Xu
The long non-coding RNA, HOTTIP, has an important role in tumorigenesis. It is known that HOTTIP regulates HOX gene family; however, its regulatory mechanism in esophageal squamous cell carcinoma (ESCC) remains elusive. In this study, we investigated the role of HOTTIP in ESCC and observed that HOTTIP/HOXA13 was upregulated in ESCC and promoted cell proliferation and metastasis in vivo and in vitro. Interestingly, harboring a miR-30b-binding site, HOTTIP as a molecular sponge mainly regulated miR-30b level in the nucleus and modulated the repression of HOXA13 mediated by miR-30b in the cytoplasm, resulting in the positive HOTTIP/HOXA13 correlation...
May 22, 2017: Oncogene
https://www.readbyqxmd.com/read/28534510/targeting-group-i-p21-activated-kinases-to-control-malignant-peripheral-nerve-sheath-tumor-growth-and-metastasis
#6
G Semenova, D S Stepanova, C Dubyk, E Handorf, S M Deyev, A J Lazar, J Chernoff
Malignant peripheral nerve sheath tumors (MPNSTs) are devastating sarcomas for which no effective medical therapies are available. Over 50% of MPSNTs are associated with mutations in NF1 tumor suppressor gene, resulting in activation of Ras and its effectors, including the Raf/Mek/Erk and PI3K/Akt/mTORC1 signaling cascades, and also the WNT/β-catenin pathway. As Group I p21-activated kinases (Group I Paks, PAK1/2/3) have been shown to modulate Ras-driven oncogenesis, we asked if these enzymes might regulate signaling in MPNSTs...
May 22, 2017: Oncogene
https://www.readbyqxmd.com/read/28534379/dosimetry-study-on-radioactive-particle-brachytherapy-in-oral-carcinoma
#7
Zhang Jie, Meng Jian, Zhuang Qianwei, Li Zhiping
PURPOSE: To investigate the therapeutic effects of different doses of (125)I radioactive particle brachytherapy on oral cancer. METHODS: Between September 2012 and September 2015, 78 patients with oral cancer who received (125)I radioactive particle brachytherapy for the first time in our hospital were enrolled in this study. Patients were divided into high dose (≥3) and low dose (<3) groups. The treatment outcome, serum tumor marker levels and the expression levels of autophagy and apoptotic genes in tumor cells were compared between groups...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28534101/evaluation-of-alk-gene-rearrangement-in-central-nervous-system-metastases-of-non-small-cell-lung-cancer-using-two-step-rt-pcr-technique
#8
M Nicoś, P Krawczyk, K Wojas-Krawczyk, A Bożyk, B Jarosz, M Sawicki, T Trojanowski, J Milanowski
PURPOSE: RT-PCR technique has showed a promising value as pre-screening method for detection of mRNA containing abnormal ALK sequences, but its sensitivity and specificity is still discussable. Previously, we determined the incidence of ALK rearrangement in CNS metastases of NSCLC using IHC and FISH methods. MATERIALS: We evaluated ALK gene rearrangement using two-step RT-PCR method with EML4-ALK Fusion Gene Detection Kit (Entrogen, USA). The studied group included 145 patients (45 females, 100 males) with CNS metastases of NSCLC and was heterogeneous in terms of histology and smoking status...
May 22, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28533959/preservation-media-durations-and-cell-concentrations-of-short-term-storage-affect-key-features-of-human-adipose-derived-mesenchymal-stem-cells-for-therapeutic-application
#9
Fengli Zhang, Huaijuan Ren, Xiaohu Shao, Chao Zhuang, Yantian Chen, Nianmin Qi
BACKGROUND: Adipose-derived mesenchymal stem cells (ADSCs) have shown great potential in the treatment of various diseases. However, the optimum short-term storage condition of ADSCs in 2∼8 °C is rarely reported. This study aimed at optimizing a short-term storage condition to ensure the viability and function of ADSCs before transplantation. METHODS: Preservation media and durations of storage were evaluated by cell viability, apoptosis, adhesion ability and colony-forming unit (CFU) capacity of ADSCs...
2017: PeerJ
https://www.readbyqxmd.com/read/28533948/radiosensitization-effect-of-hsa-mir-138-2-3p-on-human-laryngeal-cancer-stem-cells
#10
Ying Zhu, Li-Yun Shi, Yan-Min Lei, Yan-Hong Bao, Zhao-Yang Li, Fei Ding, Gui-Ting Zhu, Qing-Qing Wang, Chang-Xin Huang
BACKGROUND: Treatments that target cancer stem cells play an important role in the controlling and eliminating of tumor initiation as well as in development, progression, and chemotherapy/radiotherapy resistance. In our previous study, we cultured and harvested human laryngeal cancer stem cells (CSCs) and applied microRNA biochips to screen differentially expressed miRNAs that were related to radiation tolerance in irradiated human laryngeal CSCs. According to the predicted genes and pathways of differential miRNAs target, down-regulated expression of hsa-miR-138-2-3p under radiation was thought to play a key role in enhancing the radio-sensitivity in human laryngeal squamous cancer stem cells...
2017: PeerJ
https://www.readbyqxmd.com/read/28533818/a-novel-bcr-abl1-fusion-gene-with-genetic-heterogeneity-indicates-a-good-prognosis-in-a-chronic-myeloid-leukemia-case
#11
Fen Zhou, Runming Jin, Yu Hu, Heng Mei
BACKGROUND: Chronic myelogenous leukemia (CML) is a pluripotent hematopoietic stem cell disorder caused by the fusion of the BCR and ABL1 genes. Quantitative RT-PCR (qRT-PCR) is a routinely performed screening technique to identify BCR-ABL1 fusion genes, but a limitation of this method is its inability to recognize novel fusions that have not been previously characterized. Next-generation sequencing (NGS) is an effective and sensitive detection method for the determination of novel BCR-ABL1 fusion genes as well as previously characterized ones...
2017: Molecular Cytogenetics
https://www.readbyqxmd.com/read/28533682/polyethylene-glycol-poly-%C3%AE%C2%B5-benzyloxycarbonyl-l-lysine-conjugated-vegf-sirna-for-antiangiogenic-gene-therapy-in-hepatocellular-carcinoma
#12
Gangmin Wang, XiaoLong Gao, GuoJun Gu, ZhiHong Shao, MingHua Li, PeiJun Wang, JianRong Yang, XiaoJun Cai, YongYong Li
A polyethylene glycol-poly(ε-benzyloxycarbonyl-l-lysine) (PEG-SS-PLL) block copolymer based on a disulfide-linked, novel biodegradable catiomer bearing a PEG-sheddable shell was developed to avoid "PEG dilemma" in nanoparticle intracellular tracking of PEG-PLL where PEG was nondegradable. However, PEG-SS-PLL catiomers have not been used to deliver small interfering VEGF RNA (siVEGF) in antiangiogenesis gene therapy. In this study, we aimed to investigate whether this novel biodegradable catiomer can deliver siVEGF into cancer cells and at the same time have an antitumor effect in a xenograft mouse model...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28533483/high-il-1r8-expression-in-breast-tumors-promotes-tumor-growth-and-contributes-to-impaired-antitumor-immunity
#13
Luis Felipe Campesato, Ana Paula M Silva, Luna Cordeiro, Bruna R Correa, Fabio C P Navarro, Rafael F Zanin, Marina Marçola, Lilian T Inoue, Mariana L Duarte, Martina Molgora, Fabio Pasqualini, Matteo Massara, Pedro Galante, Romualdo Barroso-Sousa, Nadia Polentarutti, Federica Riva, Erico T Costa, Alberto Mantovani, Cecilia Garlanda, Anamaria A Camargo
Tumors develop numerous strategies to fine-tune inflammation and avoid detection and eradication by the immune system. The identification of mechanisms leading to local immune dysregulation is critical to improve cancer therapy. We here demonstrate that Interleukin-1 receptor 8 (IL-1R8 - previously known as SIGIRR/TIR8), a negative regulator of Toll-Like and Interleukin-1 Receptor family signaling, is up-regulated during breast epithelial cell transformation and in primary breast tumors. IL-1R8 expression in transformed breast epithelial cells reduced IL-1-dependent NF-κB activation and production of pro-inflammatory cytokines, inhibited NK cell activation and favored M2-like macrophage polarization...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28533307/sox11-promotes-tumor-protective-microenvironment-interactions-through-cxcr4-and-fak-regulation-in-mantle-cell-lymphoma
#14
Patricia Balsas, Jara Palomero, Álvaro Eguileor, Marta Leonor Rodriguez, Maria Carmela Vegliante, Ester Planas-Rigol, Marta Sureda-Gómez, Maria C Cid, Elias Campo, Virginia Amador
SOX11 overexpression in Mantle Cell Lymphoma (MCL) has been associated with more aggresive behavior and worse outcome. However, SOX11 oncogenic pathways driving MCL tumor progression are poorly known. Here, we demonstrate that SOX11 binds to regulatory regions of two important genes for microenvironment-signals in cancer, (C-X-C motif) chemokine receptor 4 (CXCR4) and PTK2 (encoding for focal adhesion kinase (FAK)). Moreover, SOX11-positive xenograft and human primary MCL tumors overexpress cell migration and stromal stimulation gene signatures compared to their SOX11-negative counterparts...
May 22, 2017: Blood
https://www.readbyqxmd.com/read/28533295/comparative-pathogenesis-of-autoimmune-diabetes-in-humans-nod-mice-and-canines-has-a-valuable-animal-model-of-type-1-diabetes-been-overlooked
#15
Allison L O'Kell, Clive Wasserfall, Brian Catchpole, Lucy J Davison, Rebecka S Hess, Jake A Kushner, Mark A Atkinson
Despite decades of research in humans and mouse models of disease, substantial gaps remain in our understanding of pathogenic mechanisms underlying the development of type 1 diabetes. Furthermore, translation of therapies from preclinical efforts capable of delaying or halting β-cell destruction has been limited. Hence, a pressing need exists to identify alternative animal models that reflect human disease. Canine insulin deficiency diabetes is, in some cases, considered to follow autoimmune pathogenesis, similar to NOD mice and humans, characterized by hyperglycemia requiring lifelong exogenous insulin therapy...
June 2017: Diabetes
https://www.readbyqxmd.com/read/28533173/targeting-human-telomerase-rna-component-using-antisense-oligonucleotide-induces-rapid-cell-death-and-increases-ato-induced-apoptosis-in-apl-cells
#16
Leila Asghari-Kia, Davood Bashash, Ava Safaroghli-Azar, Majid Momeny, Mohsen Hamidpour, Seyed H Ghaffari
The impressive advances carried out in designing pharmacological strategies with the aim of telomerase inhibition in cancers emerged a consensus that telomerase-targeted therapies could be exciting prospect in repertoire of future cancer strategies. The results of the present study indicated that targeting telomerase using an oligonucleotide-based molecule against human telomerase RNA template (hTR ASODN) reduced the survival rate of NB4 cells and induced a caspase-3-dependent apoptosis. Our finding was even noticeable in the synergistic experiments, where we found an enhanced reduction in the viability of the cells after short-term treatment with ATO in combination with the inhibitor...
May 19, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28532298/ctbp-an-emerging-oncogene-and-novel-small-molecule-drug-target-advances-in-the-understanding-of-its-oncogenic-action-and-identification-of-therapeutic-inhibitors
#17
M Michael Dcona, Benjamin L Morris, Keith C Ellis, Steven R Grossman
C-terminal Binding Proteins (CtBP) 1 and 2 are oncogenic transcriptional co-regulators overexpressed in many cancer types, with their expression level correlating to worse prognostic outcomes and aggressive tumor features. CtBP negatively regulates the expression of many tumor suppressor genes, while coactivating genes that promote proliferation, epithelial-mesenchymal transition, and cancer stem cell self-renewal activity. In light of this evidence, the development of novel inhibitors that mitigate CtBP function may provide clinically actionable therapeutic tools...
May 22, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28532005/non-viral-strategies-for-ocular-gene-delivery
#18
REVIEW
Ana V Oliveira, Ana M Rosa da Costa, Gabriela A Silva
The success of gene therapy relies on efficient gene transfer and stable transgene expression. The in vivo efficiency is determined by the delivery vector, route of administration, therapeutic gene, and target cells. While some requirements are common to several strategies, others depend on the target disease and transgene product. Consequently, it is unlikely that a single system is suitable for all applications. This review examines current gene therapy strategies, focusing on non-viral approaches and the use of natural polymers with the eye, and particularly the retina, as their gene delivery target...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531995/scavenging-free-radicals-and-soaring-osteoinduction-by-extra-cellular-matrix-protein-based-nanocomposites-on-degenerative-bone-treatments
#19
Kavitha Kandiah, Navaneethan Duraisamy, Vinoth Amirthalingam, Balagurunathan Ramasamy
A number of materials are now available to alleviate the ever-growing bone disruption. However, these are inadequate and inappropriate for addressing issues associated natural process of aging and degeneration of bone due to diseases. This study advances the existing material and offers more privileged and synergistically active remedy for these conditions. Here, they are three different nano-composites prepared such as nano-TiO2 with chitosan (TC), nano-TiO2 with chondroitin 4-sulfate (TG), and nano-TiO2 with chitosan and chondroitin 4-sulfate (TCG), whereas nano-TiO2 act as a control...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531963/mir-19b-and-mir-16-cooperatively-signaling-target-the-regulator-adra1a-in-hypertensive-heart-disease
#20
Liping He, Congxin Huang
BACKGROUND: Hypertensive heart disease (HHD) is one of the most important causes of disease-related deaths worldwide and brings great painful for patients. In recent years, increasingly evidences support the role of miRNAs in various physiology processes and human diseases. In the present study, we investigated whether ADRA1A regulated by miR-19b and miR-16 was involved in the pathogenic mechanism of HHD. METHODS: HHD mice models were established with injection of Deoxycorticosterone acetate (Doca)...
May 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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