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https://www.readbyqxmd.com/read/28437884/regulatory-role-of-mir-211-5p-in-hepatocellular-carcinoma-metastasis-by-targeting-zeb2
#1
Guangbin Jiang, Li Wen, Weiping Deng, Zhiyuan Jian, Hongmei Zheng
Hepatocellular carcinoma (HCC) is the most common type of cancer and the rapid tumor growth, drug resistance and metastasis are the major problems for HCC therapy. MicroRNAs (miRNAs) involve in various cell biological processes in HCC. ZEB2 plays crucial roles in HCC progression. ZEB2 is regulated by some identified miRNAs, but there needs to find new miRNAs regulating ZEB2 expression for better understanding the molecular mechanism of HCC. In the present study, ZEB2 was identified as a direct target of miR-211-5p, which was a potential oncogene in cancer...
April 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28437753/p-gp-modulatory-acetyl-11-keto-%C3%AE-boswellic-acid-based-nanoemulsified-carrier-system-for-augmented-oral-chemotherapy-of-docetaxel
#2
Gitu Pandey, Naresh Mittapelly, Guru Raghavendra Valicherla, Ravi Prakash Shukla, Shweta Sharma, Venkatesh Teja Banala, Sandeep Urandur, Arun Kumar Jajoriya, Kalyan Mitra, D P Mishra, J R Gayen, P R Mishra
In spite of being a very potent and promising drug against many types of cancer, docetaxel suffers the disadvantage of low solubility and poor bioavailability rendering it unsuitable for oral administration. Also, the available marketed formulation for intravenous administration has its inherent drawbacks owing to the presence of polysorbate 80. Here, we exploited the anticancer and P-gp inhibitory potential of naturally occurring frankincense oil to fabricate a stable docetaxel loaded nanoemulsified carrier system for oral delivery...
April 15, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28437377/microrna-21-is-required-for-local-and-remote-ischemic-preconditioning-in-multiple-organ-protection-against-sepsis
#3
Ping Jia, Xiaoli Wu, Yan Dai, Jie Teng, Yi Fang, Jiachang Hu, Jianzhou Zou, Mingyu Liang, Xiaoqiang Ding
OBJECTIVE: Sepsis, triggered by microbial infection, is a common and life-threatening systemic illness, often leads to impaired function of vital organs. Ischemic preconditioning induced by transient brief episodes of ischemia is a powerful innate mechanism of organ protection. We have reported that a 15-minute renal ischemic preconditioning substantially attenuated subsequent renal ischemia-reperfusion injury. Here, we investigate whether a brief ischemia and reperfusion in kidney can provide protection at local and remote sites against sepsis-induced organ injury, and whether this protection is microRNA-21 dependent...
April 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28436759/the-roles-of-micrornas-in-spinal-cord-injury
#4
Zhongju Shi, Hengxing Zhou, Lu Lu, Xueying Li, Zheng Fu, Jun Liu, Yi Kang, Zhijian Wei, Bin Pan, Lu Liu, Xiaohong Kong, Shiqing Feng
BACKGROUND AND PURPOSE: Spinal cord injury (SCI) involves serious damage that can result in abnormal or absent motor and sensory functions and a disruption of autonomic function, and a series of pathological reactions occur after the injury. As a type of small non-coding RNA, microRNAs (miRNAs) have been verified to inhibit gene expression via posttranscriptional regulation. This review mainly focuses on recent advances regarding the roles of miRNAs following SCI. METHODS: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were adopted...
April 24, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28435822/targeted-intracellular-heat-transfer-in-cancer-therapy-assessment-of-asparagine-laminated-gold-nanoparticles-in-cell-model-of-t-cell-leukemia
#5
Shadab Shahriari, Maryam Bakhshi, Ahmad Reza Shahverdi, Azar Berahmeh, Farnaz Safavifar, Mohammad Reza Khorramizadeh
BACKGROUND: High temperatures have destructive effects on cancer cells by damaging proteins and structures within cells. Gold nanoparticles (AuNPs) can act as drug delivery vehicles, especially for cancer therapy. Due to the selective intake of asparagine molecules into malignant cells, AuNPs were coated with asparagine; and CCRF-CEM human T-cell leukemia cells were treated with the new combination, Asn-AuNPs, at 39 °C. METHODS: The co-authors from a number of collaborative labs located at Tehran University of Medical Sciences, Tehran, Iran, have initiated the idea and preliminary design of this study in 2011...
March 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28435772/self-assembled-bifunctional-peptide-as-effective-drug-delivery-vector-with-powerful-antitumor-activity
#6
Rangrang Fan, Lan Mei, Xiang Gao, Yuelong Wang, Mingli Xiang, Yu Zheng, Aiping Tong, Xiaoning Zhang, Bo Han, Liangxue Zhou, Peng Mi, Chao You, Zhiyong Qian, Yuquan Wei, Gang Guo
E-cadherin/catenin complex is crucial for cancer cell migration and invasion. The histidine-alanine-valine (HAV) sequence has been shown to inhibit a variety of cadherin-based functions. In this study, by fusing HAV and the classical tumor-targeting Arg-Gly-Asp (RGD) motif and Asn-Gly-Arg (NGR) motif to the apoptosis-inducing peptide sequence-AVPIAQK, a bifunctional peptide has been constructed with enhanced tumor targeting and apoptosis effects. This peptide is further processed as a nanoscale vector to encapsulate the hydrophobic drug docetaxel (DOC)...
April 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28435516/docosahexaenoic-acid-dha-promotes-immunogenic-apoptosis-in-human-multiple-myeloma-cells-induces-autophagy-and-inhibits-stat3-in-both-tumor-and-dendritic-cells
#7
Donatella D'Eliseo, Livia Di Renzo, Angela Santoni, Francesca Velotti
Docosahexaenoic acid (DHA), a ω-3 polyunsaturated fatty acid found in fish oil, is a multi-target agent and exerts anti-inflammatory and anticancer activities alone or in combination with chemotherapies. Combinatorial anticancer therapies, which induce immunogenic apoptosis, autophagy and STAT3 inhibition have been proposed for long-term therapeutic success. Here, we found that DHA promoted immunogenic apoptosis in multiple myeloma (MM) cells, with no toxicity on PBMCs and DCs. Immunogenic apoptosis was shown by the emission of specific DAMPs (CRT, HSP90, HMGB1) by apoptotic MM cells and the activation of their pro-apoptotic autophagy...
January 2017: Genes & Cancer
https://www.readbyqxmd.com/read/28435453/sirna-delivery-with-pegylated-graphene-oxide-nanosheets-for-combined-photothermal-and-genetherapy-for-pancreatic-cancer
#8
Feng Yin, Kuan Hu, Yangzi Chen, Mengying Yu, Dongyuan Wang, Qianqian Wang, Ken-Tye Yong, Fei Lu, Yongye Liang, Zigang Li
Since the successful exfoliation of graphene from graphite in 2004, graphene and graphene oxide (GO) have been considered the most promising two-dimensional (2D) nanomaterials with distinguished physical and chemical characteristics and have attracted great attention in many different fields. Graphene oxide is well-known for its distinct physiochemical properties and shows only minimal cytotoxicity compared to carbon nanotubes. Until now, only limited efforts have been invested in utilizing GO for gene therapy in pancreatic cancer treatments...
2017: Theranostics
https://www.readbyqxmd.com/read/28435333/new-insights-into-therapeutic-activity-and-anticancer-properties-of-curcumin
#9
REVIEW
Abir Kumar Panda, Dwaipayan Chakraborty, Irene Sarkar, Tila Khan, Gaurisankar Sa
Natural compounds obtained from plants are capable of garnering considerable attention from the scientific community, primarily due to their ability to check and prevent the onset and progress of cancer. These natural compounds are primarily used due to their nontoxic nature and the fewer side effects they cause compared to chemotherapeutic drugs. Furthermore, such natural products perform even better when given as an adjuvant along with traditional chemotherapeutic drugs, thereby enhancing the potential of chemotherapeutics and simultaneously reducing their undesired side effects...
2017: Journal of Experimental Pharmacology
https://www.readbyqxmd.com/read/28435246/cuprous-oxide-nanoparticle-inhibited-melanoma-progress-by-targeting-melanoma-stem-cells
#10
Bin Yu, Ye Wang, Xinlu Yu, Hongxia Zhang, Ji Zhu, Chen Wang, Fei Chen, Changcheng Liu, Jingqiang Wang, Haiying Zhu
Recent studies have shown that metal and metal oxide have a potential function in antitumor therapy. Our previous studies demonstrated that cuprous oxide nanoparticles (CONPs) not only selectively induce apoptosis of tumor cells in vitro but also inhibit the growth and metastasis of melanoma by targeting mitochondria with little hepatic and renal toxicities in mice. As a further study, our current research revealed that CONPs induced apoptosis of human melanoma stem cells (CD271(+/high) cells) in A375 and WM266-4 melanoma cell lines and could significantly suppress the expression of MITF, SOX10 and CD271 involved in the stemness maintenance and tumorigenesis of melanoma stem cells...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28435223/efficacy-of-the-dual-pi3k-and-mtor-inhibitor-nvp-bez235-in-combination-with-imatinib-mesylate-against-chronic-myelogenous-leukemia-cell-lines
#11
Pengliang Xin, Chuntuan Li, Yan Zheng, Qunyi Peng, Huifang Xiao, Yuanling Huang, Xiongpeng Zhu
BACKGROUND: Phosphatidylinositol 3-kinase/Akt/mammalian target of rapamycin (PI3K/Akt/mTOR) pathway is a therapy target of cancer. We aimed to confirm the effect of dual PI3K/mTOR inhibitor NVP-BEZ235 on proliferation, apoptosis, and autophagy of chronic myelogenous leukemia (CML) cells and sensitivity of tyrosine kinase inhibitor in vitro. METHODS: Two human CML cell lines, K562 and KBM7R (T315I mutant strain), were used. The proliferation of CML cells was detected by MTS (Owen's reagent) assay...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28435051/akt1-nf%C3%AE%C2%BAb-signaling-pathway-activation-by-a-small-molecule-dma-confers-radioprotection-to-intestinal-epithelium-in-xenograft-model
#12
Vinod Tiwari, Mohammad Zahid Kamran, Atul Ranjan, Hemlata Nimesh, Manish Singh, Vibha Tandon
Normal tissue protection and recovery of radiation-induced damage are of paramount importance for development of radioprotector. Radioprotector which selectively protects normal tissues over cancerous tissues improves the therapeutic window of radiation therapy. In the present study, small bisbenzimidazole molecule, DMA (5-(4-methylpiperazin-1-yl)-2-[2'-(3,4-dimethoxy-phenyl)-5'-benzimidazolyl]-benzimidazole) was evaluated for in vivo radioprotective effects to selectively protect normal tissue over tumor with underlying molecular mechanism...
April 20, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28434009/hypoxic-ischaemic-encephalopathy-and-the-blood-brain-barrier-in-neonates
#13
Wei Ling Amelia Lee, Adina T Michael-Titus, Divyen K Shah
This review aims to highlight a possible relationship between hypoxic-ischaemic encephalopathy (HIE) and the disruption of the blood-brain barrier (BBB). Inflammatory reactions perpetuate a large proportion of cerebral injury. The extent of injury noted in HIE is not only determined by the biochemical cascades that trigger the apoptosis-necrosis continuum of cell death in the brain parenchyma, but also by the breaching of the BBB by pro-inflammatory factors. We examine the changes that contribute to the breakdown of the BBB that occur during HIE at a macroscopic, cellular, and molecular level...
April 22, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28433655/targeting-sarcoma-tumor-initiating-cells-through-differentiation-therapy
#14
Dan Han, Veronica Rodriguez-Bravo, Elizabeth Charytonowicz, Elizabeth Demicco, Josep Domingo-Domenech, Robert G Maki, Carlos Cordon-Cardo
Human leukocyte antigen class I (HLA-I) down-regulation has been reported in many human cancers to be associated with poor clinical outcome. However, its connection to tumor-initiating cells (TICs) remains unknown. In this study, we report that HLA-I is down-regulated in a subpopulation of cells that have high tumor initiating capacity in different types of human sarcomas. Detailed characterization revealed their distinct molecular profiles regarding proliferation, apoptosis and stemness programs. Notably, these TICs can be induced to differentiate along distinct mesenchymal lineages, including the osteogenic pathway...
April 13, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28432271/knockdown-of-prdx2-sensitizes-colon-cancer-cells-to-5-fu-by-suppressing-the-pi3k-akt-signaling-pathway
#15
Jun Xu, Shouru Zhang, Rong Wang, Xingye Wu, Li Zeng, Zhongxue Fu
Although, 5-Fluorouracil (5-FU) remains widely used in adjuvant therapy in patients with colon cancer, resistance to 5-FU-based chemotherapy is an important reason for treatment failure. Recent studies have reported that an enhanced reactive oxygen species (ROS) scavenging system shows drug resistance to 5-FU. Peroxiredoxin-2 (PRDX2), is an important member of the ROS scavenging system, and may be a potential target that promotes chemosensitivity to 5-FU in colon cancer. Here, we depleted PRDX2 by PRDX2-shRNA-LV transduction in two colon cancer cell lines and found that in vitro PRDX2 knockdown facilitates cell death and apoptosis in 5-FU-treated colon cancer cells...
April 21, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28431405/usp5-functions-as-an-oncogene-for-stimulating-tumorigenesis-in-hepatocellular-carcinoma
#16
Yi Liu, Wei-Mao Wang, Ying-Fei Lu, Lu Feng, Li Li, Ming-Zhu Pan, Yu Sun, Chun-Wai Suen, Wei Guo, Jian-Xin Pang, Jin-Fang Zhang, Wei-Ming Fu
As deubiquitinases, several ubiquitin specific protease members have been reported to mediate tumorigenesis. Although ubiquitin specific protease 5 (Usp5) was previously demonstrated to suppress p53 transcriptional activity and DNA repair, its role in carcinogenesis remains elusive. In this study, we sought to define a novel role of Usp5 in tumorigenesis. It was found that Usp5 was significantly upregulated in hepatocellular carcinoma (HCC) cells and most clinical specimens. Further functional investigation also showed that Usp5 knockdown suppressed cell proliferation, migration, drug resistance and induced apoptosis; on the other hand, Usp5 overexpression promoted colony formation, migration, drug resistance and tumorigenesis...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430642/immunocompetent-mouse-allograft-models-for-development-of-therapies-to-target-breast-cancer-metastasis
#17
Yuan Yang, Howard H Yang, Ying Hu, Peter H Watson, Huaitian Liu, Thomas R Geiger, Miriam R Anver, Diana C Haines, Philip Martin, Jeffrey E Green, Maxwell P Lee, Kent W Hunter, Lalage M Wakefield
Effective drug development to combat metastatic disease in breast cancer would be aided by the availability of well-characterized preclinical animal models that (a) metastasize with high efficiency, (b) metastasize in a reasonable time-frame, (c) have an intact immune system, and (d) capture some of the heterogeneity of the human disease. To address these issues, we have assembled a panel of twelve mouse mammary cancer cell lines that can metastasize efficiently on implantation into syngeneic immunocompetent hosts...
February 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430601/growth-suppressive-activity-of-raloxifene-on-liver-cancer-cells-by-targeting-il-6-gp130-signaling
#18
Yina Wang, Haiyan Ma, Chongqiang Zhao, Tianshu Liu, Dan Yan, David Jou, Huameng Li, Cuntai Zhang, Jiagao Lü, Chenglong Li, Jiayuh Lin, Sheng Li, Li Lin
BACKGROUND: Interleukin-6 (IL-6) is a multifunctional cytokine, which is involved in the regulation of differentiation and growth of certain types of tumor cells. Constitutive activation of Signal Transducer and Activator of Transcription 3 (STAT3) induced by IL-6 is frequently detected in liver cancer and has emerged as a viable molecular target for liver cancer treatment. However, few inhibitors targeting up-streams of STAT3 are available for the therapy of liver cancer. We reported the discovery of EVISTA (Raloxifene HCl) as novel inhibitor of IL-6/GP130 protein-protein interactions (PPIs) using multiple ligand simultaneous docking (MLSD) and drug repositioning...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429669/what-can-pharmacological-models-of-retinal-degeneration-tell-us
#19
M H Reisenhofer, J Balmer, V Enzmann
Animal models with pharmacologically induced retinal degeneration including sodium iodate (NaIO3) and N-methyl-N-nitrosourea (MNU) have been extensively used in ophthalmic research to investigate retinal degeneration. NaIO3 induces degeneration of the retinal pigment epithelium (RPE) followed by photoreceptor (PRC) cell death, mimicking features of age-related macular degeneration. In contrast, MNU leads to rapid destruction of the PRCs only, enabling the use of the MNU model to investigate degeneration induced in retinitis pigmentosa...
March 31, 2017: Current Molecular Medicine
https://www.readbyqxmd.com/read/28429654/microrna-451-regulates-chemoresistance-in-renal-cell-carcinoma-by-targeting-atf-2-gene
#20
Xiang Sun, Longhua Lou, Kezhao Zhong, Lijuan Wan
Renal cell carcinoma (RCC) is a malignant tumor, which severely threatens human's life, moreover, the multi-drug resistance (MDR) under RCC undoubtedly strengthen the difficulties in the treatment. MiR-451 has been considered to play an important role in regulation of MDR in several cancers, but the role of it in MDR of RCC has not been explored. This study aims to explore the mechanism of miR-451 as a target to regulate chemotherapy resistance, which is crucial for further exploring novel therapy for RCC. Two human cell lines (ACHN and GRC-1) were performed in this study and adriamycin (ADM) was used to construct MDR cell lines...
January 1, 2017: Experimental Biology and Medicine
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