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https://www.readbyqxmd.com/read/28098907/synergistic-combination-of-ys-1-and-adriamycin-inhibits-human-renal-cancer-through-erk1-2-signaling-pathway-in%C3%A2-vitro-and-in%C3%A2-vivo
#1
Xiaowen Yu, Qingqing Yang, Sensen Lin, Shengtao Yuan, Li Sun
Adriamycin (ADM) is a principal drug for the treatment of renal cell cancer (RCC). Due to its limited response and high renal and cardiac toxicity, synergistic effects of ADM in combination with other drugs have been widely researched. In this study, we found the combination between YS-1 and ADM, performed higher anticancer activity on 786-O human RCC cells in vitro and in vivo, than that reported on its anti-angiogenesis effect compared with monotherapy of ADM. Our data showed that when combined with ADM, YS-1 promoted the sensitivity of 786-O cells to ADM...
January 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098886/novel-zinc-phthalocyanine-as-a-promising-photosensitizer-for-photodynamic-treatment-of-esophageal-cancer
#2
Weronika Kuzyniak, Jacob Schmidt, Wojciech Glac, Janine Berkholz, Gustav Steinemann, Björn Hoffmann, Eugeny A Ermilov, Ayşe Gül Gürek, Vefa Ahsen, Bianca Nitzsche, Michael Höpfner
Photodynamic therapy (PDT) has gathered much attention in the field of cancer treatment and is increasingly used as an alternative solution for esophageal cancer therapy. However, there is a constant need for improving the effectiveness and tolerability of the applied photosensitizers (PS). Here, we propose tetra-triethyleneoxysulfonyl substituted zinc phthalocyanine (ZnPc) as a promising PS for photodynamic treatment of esophageal cancer. ZnPc-induced phototoxicity was studied in two human esophageal cancer cell lines: OE-33 (adenocarcinoma) and Kyse-140 (squamous cell carcinoma)...
January 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28098870/mir-148a-increases-the-sensitivity-to-cisplatin-by-targeting-rab14-in-renal-cancer-cells
#3
Eun-Ae Kim, Tae Ghab Kim, Eon-Gi Sung, In-Hwan Song, Joo-Young Kim, Kyung-Oh Doh, Tae-Jin Lee
MicroRNA (miR) can exert various biological functions by targeting oncogenes or tumor suppressor genes in numerous human malignancies. Recent evidence has shown that miR-148a increases the drug sensitivity of various cancer cells. Herein, we show that ectopic expression of miR-148a induces apoptosis, reduces clonogenicity, and increases the sensitivity to TRAIL and cisplatin in renal cancer cells. The luciferase reporter assay showed that miR-148a negatively regulated ras-related protein 14 (Rab14) expression by binding to the miR-148a binding site in the 3' untranslated region (3'UTR) of Rab14...
January 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28098857/anticancer-effects-of-ginsenoside-rg3-review
#4
Mengyao Sun, Ying Ye, Ling Xiao, Xinya Duan, Yongming Zhang, Hong Zhang
Cancer is a life-threatening disease with an alarmingly increased annual mortality rate globally. Although various therapies are employed for cancer, the final effect is not satisfactory. Chemotherapy is currently the most commonly used treatment option. However, the unsatisfactory efficacy, severe side-effects and drug resistance hinder the therapeutic efficacy of chemotherapeutic drugs. There is increasing evidence indicating that ginsenoside Rg3, a naturally occurring phytochemical, plays an important role in the prevention and treatment of cancer...
January 13, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28098170/targeting-the-pi3k-akt-pathway-via-gli1-inhibition-enhanced-the-drug-sensitivity-of-acute-myeloid-leukemia-cells
#5
Hui Liang, Qi-Li Zheng, Peng Fang, Jian Zhang, Tuo Zhang, Wei Liu, Min Guo, Christopher L Robinson, Shui-Bing Chen, Xiao-Ping Chen, Fang-Ping Chen, Hui Zeng
Combination targeted therapy is commonly used to treat acute myeloid leukemia (AML) patients, particularly in refractory/relapse (RR) population. However, concerns have been raised regarding the safety and patient tolerance of combination chemotherapy. It is critical to choose the appropriate treatment for precision therapy. We performed genome-wide RNA profiling using RNA-Seq to compare the RR group and the complete remission (CR) group (a total of 42 adult AML patients). The Hedgehog (Hh) and PI3K/AKT pathways were upregulated in the RR population, which was further confirmed by western blot and/or qPCR...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28096658/anticancer-and-anti-inflammatory-activities-of-girinimbine-isolated-from-murraya-koenigii
#6
Venoos Iman, Syam Mohan, Siddig Ibrahim Abdelwahab, Hamed Karimian, Noraziah Nordin, Mehran Fadaeinasab, Mohamad Ibrahim Noordin, Suzita Mohd Noor
Therapy that directly targets apoptosis and/or inflammation could be highly effective for the treatment of cancer. Murraya koenigii is an edible herb that has been traditionally used for cancer treatment as well as inflammation. Here, we describe that girinimbine, a carbazole alkaloid isolated from M. koenigii, induced apoptosis and inhibited inflammation in vitro as well as in vivo. Induction of apoptosis in human colon cancer cells (HT-29) by girinimbine revealed decreased cell viability in HT-29, whereas there was no cytotoxic effect on normal colon cells...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28096358/repair-shielding-of-platinum-dna-lesions-in-testicular-germ-cell-tumors-by-high-mobility-group-box-protein-4-imparts-cisplatin-hypersensitivity
#7
Samuel G Awuah, Imogen A Riddell, Stephen J Lippard
Cisplatin is the most commonly used anticancer drug for the treatment of testicular germ cell tumors (TGCTs). The hypersensitivity of TGCTs to cisplatin is a subject of widespread interest. Here, we show that high-mobility group box protein 4 (HMGB4), a protein preferentially expressed in testes, uniquely blocks excision repair of cisplatin-DNA adducts, 1,2-intrastrand cross-links, to potentiate the sensitivity of TGCTs to cisplatin therapy. We used CRISPR/Cas9-mediated gene editing to knockout the HMGB4 gene in a testicular human embryonic carcinoma and examined cellular responses...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28096294/mouse-modeling-of-the-mdm2-mdmx-p53-signaling-axis
#8
REVIEW
Nicole R Tackmann, Yanping Zhang
It is evident that p53 activity is critical for tumor prevention and stress response through its transcriptional activation of genes affecting cellular senescence, apoptosis, cellular metabolism, and DNA repair. The regulation of p53 is highly complex, and MDM2 and MDMX are thought to be critical for deciding the fate of p53, both through inhibitory binding and posttranslational modification. Many mouse models have been generated to study the regulation of p53 in vivo, and they have altered our interpretations of how p53 is regulated by MDM2 and MDMX...
January 17, 2017: Journal of Molecular Cell Biology
https://www.readbyqxmd.com/read/28096272/anti-leukemia-efficacy-and-mechanisms-of-action-of-sl-101-a-novel-anti-cd123-antibody-conjugate-in-acute-myeloid-leukemia
#9
Lina Han, Jeffrey L Jorgensen, Christopher Brooks, Ce Shi, Qi Zhang, Graciela M Nogueras González, Antonio Cavazos, Rongqing Pan, Hong Mu, Sa Wang, Jin Zhou, Gheath Alatrash, Stefan O Ciurea, Michael Rettig, John F DiPersio, Jorge E Cortes, Xuelin Huang, Hagop Kantarjian, Michael Andreeff, Farhad Ravandi-Kashani, Marina Konopleva
PURPOSE: The persistence of leukemia stem cells (LSC)-containing cells after induction therapy may contribute to minimal residual disease (MRD) and relapse in acute myeloid leukemia (AML). We investigated the clinical relevance of CD34+CD123+ LSC-containing cells and anti-leukemia potency of a novel antibody-conjugate SL-101 in targeting CD123+ LSCs. Experimental Methods and Results: In a retrospective study on 86 newly diagnosed AML patients, we demonstrated that a higher proportion of CD34+CD123+ LSC-containing cells in remission was associated with persistent MRD, and predicted shorter relapse-free survival in patients with poor-risk cytogenetics...
January 17, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28095907/the-targeted-smac-mimetic-sw-iv-134-is-a-strong-enhancer-of-standard-chemotherapy-in-pancreatic-cancer
#10
Yassar M Hashim, Suwanna Vangveravong, Narendra V Sankpal, Pratibha S Binder, Jingxia Liu, S Peter Goedegebuure, Robert H Mach, Dirk Spitzer, William G Hawkins
BACKGROUND: Pancreatic cancer is a lethal malignancy that frequently acquires resistance to conventional chemotherapies often associated with overexpression of inhibitors of apoptosis proteins (IAPs). We have recently described a novel means to deliver second mitochondria-derived activator of caspases (SMAC) mimetics selectively to cancer cells employing the sigma-2 ligand/receptor interaction. The intrinsic death pathway agonist SMAC offers an excellent opportunity to counteract the anti-apoptotic activity of IAPs...
January 17, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28095751/crispr-based-epigenome-editing-of-cytokine-receptors-for-the-promotion-of-cell-survival-and-tissue-deposition-in-inflammatory-environments
#11
Niloofar Farhang, Jonathan M Brunger, Joshua D Stover, Pratiksha I Thakore, Brandon Lawrence, Farshid Guilak, Charles A Gersbach, Lori A Setton, Robert D Bowles
Musculoskeletal diseases have been associated with inflammatory cytokine action, particularly action by TNF-α and IL-1β. These inflammatory cytokines promote apoptosis and senescence of cells in diseased tissue and extracellular matrix breakdown. Stem cell-based therapies are being considered for the treatment of musculoskeletal diseases, but the presence of these inflammatory cytokines will have similar deleterious action on therapeutic cells delivered to these environments. Methods that prevent inflammatory-induced apoptosis and pro-inflammatory signaling, in cell and pathway specific manners are needed...
January 17, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28095625/potentiation-of-biological-effects-of-mesenchymal-stem-cells-in-ischemic-conditions-by-melatonin-via-upregulation-of-cellular-prion-protein-expression
#12
Jun Hee Lee, Yong-Seok Han, Sang Hun Lee
Mesenchymal stem cells (MSCs) are promising candidates for stem cell-based therapy in ischemic diseases. However, ischemic injury induces pathophysiological conditions, such as oxidative stress and inflammation, which diminish therapeutic efficacy of MSC-based therapy by reducing survival and functionality of transplanted MSCs. To overcome this problem, we explored the effects of melatonin on the proliferation, resistance to oxidative stress, and immunomodulatory properties of MSCs. Treatment with melatonin enhanced MSC proliferation and self-renewal via upregulation of cellular prion protein (PrP(C) ) expression...
January 17, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28095542/the-two-faces-of-fractionated-photodynamic-therapy-increasing-efficacy-with-light-fractionation-or-adjuvant-use-of-fractional-laser-technology
#13
Margit L W Juhasz, Melissa K Levin, Ellen S Marmur
"Fractionated photodynamic therapy (PDT)" is a new term being used by dermatologists to describe advances in PDT technology including fractionated light or the adjuvant use of fractional lasers. Although dermatologists have used PDT since the early 1990s for the treatment of photodamage and precancerous lesions, newer developments in technology have allowed for the treatment of non-melanoma skin cancers (NMSCs), in ammatory disorders, and even uses in the eld of anti-aging. Recent developments in fractionated light therapy have allowed for PDT with dark intervals and two-fold illumination schemes to increase cellular damage and apoptosis...
November 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28095393/the-mechanism-of-computed-tomography-guided-125i-particle-in-treating-lung-cancer
#14
Jianzhong Cheng, Shaozeng Ma, Guanghua Yang, Lisen Wang, Wei Hou
BACKGROUND The incidence of malignant tumor has gradually increased. How to improve the survival and quality of life of patients who lose the opportunity for surgery or who are unwilling to receive surgery remains an obstacle. At present, 125I particle interstitial implant therapy has been applied in a variety of treatments of tumors. However, the mechanism of computed tomography (CT)-guided 125I particle therapy in lung cancer has not been fully elucidated. MATERIAL AND METHODS A total of 42 patients with advanced non-small cell lung cancer were retrospectively analyzed between January 2013 and December 2013, including 19 patients who received CT-guided 125I particle therapy and 23 patients who received chemotherapy...
January 17, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28094768/bcl-w-has-a-fundamental-role-in-b-cell-survival-and-lymphomagenesis
#15
Clare M Adams, Annette S Kim, Ramkrishna Mitra, John K Choi, Jerald Z Gong, Christine M Eischen
Compromised apoptotic signaling is a prerequisite for tumorigenesis. The design of effective therapies for cancer treatment depends on a comprehensive understanding of the mechanisms that govern cell survival. The antiapoptotic proteins of the BCL-2 family are key regulators of cell survival and are frequently overexpressed in malignancies, leading to increased cancer cell survival. Unlike BCL-2 and BCL-XL, the closest antiapoptotic relative BCL-W is required for spermatogenesis, but was considered dispensable for all other cell types...
January 17, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28094536/the-novel-induction-of-retinal-ganglion-cell-apoptosis-in-porcine-organ-culture-by-nmda-an-opportunity-for-the-replacement-of-animals-in-experiments
#16
Sandra Kuehn, Jose Hurst, Adelina Jashari, Kathrin Ahrens, Teresa Tsai, Ilan M Wunderlich, H Burkhard Dick, Stephanie C Joachim, Sven Schnichels
Some of the advantages of retina organ culture models include their efficient and easy handling and the ability to standardise relevant parameters. Additionally, when porcine eyes are obtained from the food industry, no animals are killed solely for research purposes. To induce retinal degeneration, a commonly used toxic substance, N-methyl-D-aspartate (NMDA), was applied to the cultures. To this end, organotypic cultures of porcine retinas were cultured and treated with different doses of NMDA (0 [control], 50, 100 and 200μM) on day 2 for 48 hours...
December 2016: Alternatives to Laboratory Animals: ATLA
https://www.readbyqxmd.com/read/28094316/somatostatin-receptor-expression-on-von-hippel-lindau-associated-hemangioblastomas-offers-novel-therapeutic-target
#17
Saman Sizdahkhani, Michael J Feldman, Martin G Piazza, Alexander Ksendzovsky, Nancy A Edwards, Abhik Ray-Chaudhury, Dragan Maric, Marsha J Merrill, Karel Pacak, Zhengping Zhuang, Prashant Chittiboina
Von Hippel-Lindau (VHL)-associated hemangioblastomas (VHL-HB) arise in the central nervous system (CNS), and are a leading cause of morbidity and mortality in VHL disease. Currently, surgical resection is the most effective way to manage symptomatic VHL-HBs. Surgically unresectable VHL-HBs or those in frail patients are challenging problems. Therapies targeting oncologic and vascular endothelial growth factor (VEGF) pathways have failed to demonstrate tumor control. Our experience and previous reports on VHL-HB avidity to somatostatin analogues suggested somatostatin receptor (SSTR) expression in VHL-HBs, offering an alternative therapeutic strategy...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28093710/role-of-oligodendrocyte-dysfunction-in-demyelination-remyelination-and-neurodegeneration-in-multiple-sclerosis
#18
Adriana Octaviana Dulamea
Oligodendrocytes (OLs) are the myelinating cells of the central nervous system (CNS) during development and throughout adulthood. They result from a complex and well controlled process of activation, proliferation, migration and differentiation of oligodendrocyte progenitor cells (OPCs) from the germinative niches of the CNS. In multiple sclerosis (MS), the complex pathological process produces dysfunction and apoptosis of OLs leading to demyelination and neurodegeneration. This review attempts to describe the patterns of demyelination in MS, the steps involved in oligodendrogenesis and myelination in healthy CNS, the different pathways leading to OLs and myelin loss in MS, as well as principles involved in restoration of myelin sheaths...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28092843/therapeutic-effects-of-bach1-sirna-on-human-breast-adenocarcinoma-cell-line
#19
Mansoor Aletaha, Behzad Mansoori, Ali Mohammadi, Mehdi Fazeli, Behzad Baradaran
BACKGROUND: Despite the great improvements in clinical and therapeutic techniques in recent years, many advanced breast cancer patients still died of the postoperative recurrence and metastasis of disease. Bach1 plays a role in the development of the invasive phenotypes of cancer, cell division and apoptosis in tumor cells. The aim of this study was to investigate the effect of specific bach1 siRNAs, on the proliferation, migration, invasive, induction of apoptosis, cell cycle arrest and alter EMT related miRNA of MDA-MB-468 cells (breast cancer)...
January 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28092770/magnolin-inhibits-prostate-cancer-cell-growth-in-vitro-and-in-vivo
#20
Yeqing Huang, Xiangyu Zou, Xiaowen Zhang, Feng Wang, Weidong Zhu, Guangyuan Zhang, Jun Xiao, Ming Chen
BACKGROUND: Magnolin is the most active ingredient in the herb Magnolia fargesii, which has been traditionally used in oriental medicine to treat headaches and nasal congestion. Recent researches demonstrate that Magnolin inhibits cancer cell migration and invasion. MATERIALS AND METHODS: This study used cell culture and the BALB/c nu/nu mouse xenograft model to investigate whether or not magnolin can inhibit the growth of PC3 and Du145 prostate cancer cells. MTT assay and flow cytometry were performed to estimate the proliferation, cycle, and apoptosis of the cells in vitro...
January 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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