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https://www.readbyqxmd.com/read/29775572/gene-therapy-with-antisense-oligonucleotides-silencing-c-myc-reduces-neointima-formation-and-vessel-wall-thickness-in-a-mouse-model-of-vein-graft-disease
#1
Christina Maria Steger, Nikolaos Bonaros, Ralf Joachim Rieker, Johannes Bonatti, Thomas Schachner
Gene therapy for avoiding intimal hyperplasia of vein grafts after coronary artery bypass grafting is still discussed controversially. A promising application of gene therapy in vein grafts is the use of antisense oligonucleotides to block the expression of genes encoding cell cycle regulatory proteins in vascular smooth muscle cells. C-myc, either directly or by regulating the expression of other proteins, controls cell proliferation, apoptosis and cell survival, tissue remodeling, angiogenesis, cell metabolism, production of inflammatory and anti-inflammatory cytokines, and also participates in cell transformation...
May 15, 2018: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29774125/the-critical-role-that-stat3-plays-in-glioma-initiating-cells-stat3-addiction-in-glioma
#2
Debolina Ganguly, Meiyun Fan, Chuan He Yang, Blazej Zbytek, David Finkelstein, Martine F Roussel, Lawrence M Pfeffer
Glioma-Initiating Cells (GICs) are thought to be responsible for tumor initiation, progression and recurrence in glioblastoma (GBM). In previous studies, we reported the constitutive phosphorylation of the STAT3 transcription factor in GICs derived from GBM patient-derived xenografts, and that STAT3 played a critical role in GBM tumorigenesis. In this study, we show that CRISPR/Cas9-mediated deletion of STAT3 in an established GBM cell line markedly inhibited tumorigenesis by intracranial injection but had little effect on cell proliferation in vitro ...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29774120/carboplatin-in-combination-with-weekly-paclitaxel-as-first-line-therapy-in-patients-with-recurrent-metastatic-head-and-neck-squamous-cell-carcinoma-unfit-to-extreme-schedule
#3
Adeline Pêtre, Cécile Dalban, Andy Karabajakian, Eve-Marie Neidhardt, Pierre Eric Roux, Marc Poupart, Sophie Deneuve, Philippe Zrounba, Jérome Fayette
The standard first-line treatment in recurrent/metastatic head and neck squamous cell carcinoma combines Cisplatin, 5 Fluorouracil and Cetuximab, but many patients aren't eligible. We retrospectively evaluated the efficacy and the tolerability of Carboplatin and Paclitaxel in this indication, mostly in patients unfit to Cisplatin. Paclitaxel (80mg/m2) was administered at day 1, 8 and 15 and Carboplatin area under the curve 5 at day 1, repeated every 28 days, for 6 cycles. Carboplatin could be administered at area under the curve 2 at day 1, 8 and 15...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29774100/differential-proteomic-profile-of-leukemic-cd34-progenitor-cells-from-chronic-myeloid-leukemia-patients
#4
Maria Rosaria Ricciardi, Valentina Salvestrini, Roberto Licchetta, Simone Mirabilii, Mattia Forcato, Gabriele Gugliotta, Simona Salati, Fausto Castagnetti, Gianantonio Rosti, Massimo Breccia, Giuliana Alimena, Rossella Manfredini, Silvio Bicciato, Roberto Massimo Lemoli, Agostino Tafuri
Chronic Myeloid Leukemia (CML) is a stem cell disease sustained by a rare population of quiescent cells which are to some extent resistant to tyrosine kinase inhibitors (TKIs). BCR-ABL oncogene activates multiple cross-talking signal transduction pathways (STP), such as RAS/MEK/ERK, PI3K/Akt, Wnt and STAT5, contributing to abnormal proliferation of clonal cells. From this perspective, the aim of this study was to analyze the expression and activation profile of STP involved in the mechanisms of cell proliferation/quiescence and survival of the progenitor CD34+ cells from chronic phase (CP) CML...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29774060/metformin-prevents-nerve-growth-factor-dependent-proliferative-and-proangiogenic-effects-in-epithelial-ovarian-cancer-cells-and-endothelial-cells
#5
Maritza P Garrido, Carolina Vera, Margarita Vega, Andrew F G Quest, Carmen Romero
Background: Epithelial ovarian cancer (EOC) is characterized by exacerbated angiogenesis regulated by proangiogenic and growth factors. Nerve growth factor (NGF) is overexpressed in EOC where it promotes proliferation as well as survival and is considered a proangiogenic factor. Metformin, a drug commonly used in the treatment of diabetes, is attributed to antineoplastic effects, but the underlying mechanisms remain unknown. Given that current therapies yield modest results in EOC patients, the aim of this study was to determine the effects of metformin on NGF-enhanced proliferation of EOC cells and the angiogenic potential of endothelial cells...
2018: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/29773661/phase-i-study-of-oncolytic-vaccinia-virus-gl-onc1-in-patients-with-peritoneal-carcinomatosis
#6
Ulrich M Lauer, Martina Schell, Julia Beil, Susanne Berchtold, Ursula Koppenhöfer, Jörg Glatzle, Alfred Königsrainer, Robert Möhle, Dominik Nann, Falko Fend, Christina Pfannenberg, Michael Bitzer, Nisar P Malek
OBJECTIVE: Peritoneal carcinomatosis (PC) is common in advanced tumor stages or disease recurrence arising from gastrointestinal cancers, gynecologic malignancies, or primary peritoneal carcinoma. Since current therapies are mostly ineffective, new thera-peutic approaches are needed. Here, we report on a phase I study designed to assess safety, MTD, and anti-tumor activity of intra-peri-toneal (i.p.) administration of oncolytic vaccinia virus GL-ONC1 in advanced stage PC patients. DESIGN: GL-ONC1 was administered i...
May 17, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29772112/liver-macrophages-friend-or-foe-during-hepatitis-b-infection
#7
Suzanne Faure-Dupuy, David Durantel, Julie Lucifora
The Hepatitis B virus chronically infects the liver of 250 million people worldwide. Over the past decades, major advances have been made in the understanding of Hepatitis B virus life cycle in hepatocytes. Beside these parenchymal cells, the liver also contains resident and infiltrating myeloid cells involved in immune responses to pathogens and much less is known about their interplay with Hepatitis B virus. In this review, we summarized and discussed the current knowledge of the role of liver macrophages (including Kupffer cells and liver monocyte-derived macrophages), in HBV infection...
May 17, 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29771500/rational-design-of-cancer-targeted-selenadiazole-derivative-as-efficient-radiosensitizer-for-precise-cancer-therapy
#8
Delong Zeng, Shulin Deng, Chengcheng Sang, Jianfu Zhao Zhao, Tianfeng Chen
Chemical drug design based on the biochemical characteristics of cancer cells has become an important strategy for discovery of targeted therapies for personalized cancer medicine. Herein, cancer targeting RGD peptide has been covalently conjugated to selenadiazole derivative (RGD-SeD) to improve its cancer selectivity. The RGD decoration significantly enhances the anticancer efficacy of RGD-SeD in αVβ3 integrin-overexpressing HepG2 liver cancer cells, but not in normal liver cells. Cellular uptake assay and fluorescent imaging confirmed the selectivity of RGD-SeD to integrin overexpressing cancer cells...
May 17, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29771478/the-reverse-remodeling-response-to-sacubitril-valsartan-therapy-in-heart-failure-with-reduced-ejection-fraction
#9
Pieter Martens, Hanne Beliën, Matthias Dupont, Pieter Vandervoort, Wilfried Mullens
BACKGROUND: Major classes of medical therapy for heart failure with reduced ejection fraction (HFrEF) induce reverse remodeling. The revere remodeling response to sacubitril/valsartan remains unstudied. METHODS: We performed a single-center, prospective assessor-blinded study to determine the reverse remodeling response of sacubitril/valsartan-therapy in HFrEF-patients with a class I-indication (New York heart Association [NYHA]-class II-IV, Left ventricular ejection fraction [LVEF]<35%, optimal dose with Renin-Angiotensin-System-Blocker [RAS-blocker])...
May 17, 2018: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/29770997/gemcitabine-nab-paclitaxel-for-pediatric-relapsed-refractory-sarcomas
#10
Jonathan L Metts, Adina L Alazraki, Dana Clark, Ernest K Amankwah, Karen J Wasilewski-Masker, Bradley A George, Thomas A Olson, Thomas Cash
BACKGROUND: Pediatric patients with relapsed/refractory sarcomas have poor outcomes and need novel therapies that provide disease control while maintaining an acceptable quality of life. The activity and toxicity of gemcitabine and nab-paclitaxel in combination has not been reported in pediatrics. PROCEDURE: We reviewed the records of fifteen relapsed/refractory patients and one treatment-naïve patient who received gemcitabine/nab-paclitaxel at our institution...
May 17, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29770355/host-regulated-hepatitis-b-virus-capsid-assembly-in-a-mammalian-cell-free-system
#11
Kuancheng Liu, Jianming Hu
The hepatitis B virus (HBV) is an important global human pathogen and represents a major cause of hepatitis, liver cirrhosis and liver cancer. The HBV capsid is composed of multiple copies of a single viral protein, the capsid or core protein (HBc), plays multiple roles in the viral life cycle, and has emerged recently as a major target for developing antiviral therapies against HBV infection. Although several systems have been developed to study HBV capsid assembly, including heterologous overexpression systems like bacteria and insect cells, in vitro assembly using purified protein, and mammalian cell culture systems, the requirement for non-physiological concentrations of HBc and salts and the difficulty in manipulating host regulators of assembly presents major limitations for detailed studies on capsid assembly under physiologically relevant conditions...
April 20, 2018: Bio-protocol
https://www.readbyqxmd.com/read/29770278/-2tm-proteins-an-antigenically-diverse-superfamily-with-variable-functions-and-export-pathways
#12
Jasweer Kaur, Rachna Hora
Malaria is a disease that affects millions of people annually. An intracellular habitat and lack of protein synthesizing machinery in erythrocytes pose numerous difficulties for survival of the human pathogen Plasmodium falciparum . The parasite refurbishes the infected red blood cell (iRBC) by synthesis and export of several proteins in an attempt to suffice its metabolic needs and evade the host immune response. Immune evasion is largely mediated by surface display of highly polymorphic protein families known as variable surface antigens...
2018: PeerJ
https://www.readbyqxmd.com/read/29770165/targeting-oxidatively-induced-dna-damage-response-in-cancer-opportunities-for-novel-cancer-therapies
#13
REVIEW
Pierpaola Davalli, Gaetano Marverti, Angela Lauriola, Domenico D'Arca
Cancer is a death cause in economically developed countries that results growing also in developing countries. Improved outcome through targeted interventions faces the scarce selectivity of the therapies and the development of resistance to them that compromise the therapeutic effects. Genomic instability is a typical cancer hallmark due to DNA damage by genetic mutations, reactive oxygen and nitrogen species, ionizing radiation, and chemotherapeutic agents. DNA lesions can induce and/or support various diseases, including cancer...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29769742/modified-citrus-pectin-inhibited-bladder-tumor-growth-through-downregulation-of-galectin-3
#14
Tian Fang, Dan-Dan Liu, He-Ming Ning, Dan Liu, Jing-Ya Sun, Xiao-Jing Huang, Yu Dong, Mei-Yu Geng, Shi-Feng Yun, Jun Yan, Rui-Min Huang
Modified citrus pectin (MCP) is a carbohydrate enriched complex, which has been implicated in cancer treatment and prevention. However, the effects of MCP on urinary bladder cancer (UBC) are unknown. In this study, MCP was first tested in T24 and J82 human UBC cells and showed the inhibition of cell viability by the sulforhodamine B (SRB) assay. The MCP-treated UBC cells exhibited G2 /M phase arrest with the decrease of Cyclin B1 and phosphorylated Cdc2. Caspase-3 was also activated, leading to the cleavage of Caspase-3 and PARP...
May 16, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29769385/phase-ii-study-of-irinotecan-plus-panitumumab-as-second-line-therapy-for-patients-with-advanced-esophageal-adenocarcinoma
#15
Harry Yoon, Anita Choudhary, Ramla Kosozi, Gurvinder Singh Bali, Ali Zaidi, Ajlan Atasoy, Arlene A Forastiere, Michael K Gibson
LESSON LEARNED: Panitumumab plus irinotecan is not active for the treatment of esophageal adenocarcinoma. BACKGROUND: Esophageal adenocarcinoma (EAC) is a lethal cancer with increasing incidence. Panitumumab (Pa) is a fully humanized IgG2 monoclonal antibody against human EGFR. Cetuximab (Cx) combined with irinotecan (Ir) is active for second-line treatment of colorectal cancer. This phase II study was designed to evaluate Pa plus Ir as second-line therapy for advanced EAC...
May 16, 2018: Oncologist
https://www.readbyqxmd.com/read/29768350/docetaxel-oxaliplatin-5fu-and-trastuzumab-as-first-line-therapy-in-patients-with-human-epidermal-receptor-2-positive-advanced-gastric-or-gastroesophageal-junction-cancer-preliminary-results-of-a-phase-ii-study
#16
Giandomenico Roviello, Roberto Petrioli, Valerio Nardone, Pietro Rosellini, Andrea Giovanni Multari, Raffaele Conca, Michele Aieta
The aim of this study is to report first preliminary results of patients enrolled in a phase II study that will investigate the activity and safety of docetaxel, oxaliplatin, and 5-fluorouracil (DOF) in combination with trastuzumab in human epidermal receptor-2 (HER-2) positive patients with advanced gastric or gastroesophageal junction (GEJ) cancer.Treatment consisted of docetaxel 70 mg/m combined with oxaliplatin 130 mg/m on day 1, and continuous infusion 5-fluorouracil mg/m days 1-5 plus trastuzumab at the standard dose on day 1, every 3 weeks for a maximum of 8 cycles...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29767677/randomized-phase-3-study-of-docetaxel-plus-bavituximab-in-previously-treated-advanced-non-squamous-non-small-cell-lung-cancer
#17
D E Gerber, L Horn, M Boyer, R Sanborn, R Natale, R Palmero, P Bidoli, I Bondarenko, P Germonpre, D Ghizdavescu, A Kotsakis, H Lena, G Losonczy, K Park, W-C Su, M Tang, J Lai, N L Kallinteris, J S Shan, M Reck, D R Spigel
Background: Bavituximab is a monoclonal antibody that targets phosphatidylserine in the presence of β2 glycoprotein 1 (β2GP1) to exert an anti-tumor immune response. This phase 3 trial determined the efficacy of bavituximab combined with docetaxel in patients with previously treated advanced non-small cell lung cancer (NSCLC). Patients and Methods: Key eligibility criteria included advanced non-squamous NSCLC with disease progression after treatment with platinum-based doublet chemotherapy, evidence of disease control after at least two cycles of first-line therapy, presence of measurable disease, ECOG performance status 0 or 1, adequate bone marrow and organ function, and no recent history of clinically significant bleeding...
May 14, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29767256/umbilical-cord%C3%A2-derived-mesenchymal-stem-cells-can-inhibit-the-biological-functions-of-melanoma-a375-cells
#18
Wei Wang, Li Li, Fei Chen, Yu Yang
Tumor tropism is an important property of mesenchymal stem cells (MSCs) that has been used in tumor‑targeting therapies. However, the effects of MSCs on tumors remain controversial. The aim of the present study was to investigate the effects of MSCs on A375 melanoma cells. Umbilical cord‑derived mesenchymal stem cells (UCMSCs) were co‑cultured with A375 cells. MTT and Transwell assays were used to assess cell proliferation and invasion, while flow cytometry was performed to detect the apoptosis and the cell cycle distribution of A375 cells...
May 16, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29767249/trim27-functions-as-an-oncogene-by-activating-epithelial-mesenchymal-transition-and-p-akt-in-colorectal-cancer
#19
Yue Zhang, Yifei Feng, Dongjian Ji, Qingyuan Wang, Wenwei Qian, Shijia Wang, Zhiyuan Zhang, Bing Ji, Chuan Zhang, Yueming Sun, Zan Fu
Tripartite motif‑containing 27 (TRIM27) belongs to the tripartite motif (TRIM) protein family and is involved in various malignant tumor processes. However, the function and mechanism of TRIM27 in colorectal cancer (CRC) remains to be elucidated. In the present study, the expression of TRIM27 was analyzed in CRC tissues and adjacent normal tissues by reverse transcription‑quantitative polymerase chain reaction and immunohistochemistry. LoVo and HCT116 cell lines were then selected to further investigate the function of TRIM27 in the proliferation, invasion and metastasis of CRC in vitro and in vivo...
May 16, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29766686/multimodal-approach-in-assessment-of-the-response-of-breast-cancer-to-neoadjuvant-chemotherapy
#20
Mikhail Viktorovich Pavlov, Tatyana Igorevna Kalganova, Yekaterina Sergeevna Lyubimtseva, Vladimir Ivanovich Plekhanov, German Yurievich Golubyatnikov, Olga Yevgenyevna Ilyinskaya, Anna Gennadjevna Orlova, Pavel Vladimirovich Subochev, Dmitriy Vladimirovich Safonov, Natalia Mikhailovna Shakhova, Anna Vladimirovna Maslennikova
The ability for noninvasive visualization of functional changes of a tumor's oxygenation and circulatory system offers new advantages for prognosis and monitoring of the treatment efficacy. The results of breast cancer oxygen state study under chemotherapy action obtained by diffuse optical spectroscopy (DOS) in combination with Doppler ultrasonic imaging are presented. Complex use of optical and ultrasound methods gives complementary information about the size of the tumor node, peculiarities of its vascular bed, rate of its blood flow as well as oxygenation, and provide a picture of the tumor response to treatment...
May 2018: Journal of Biomedical Optics
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