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https://www.readbyqxmd.com/read/27914269/targeted-hydroxyethyl-starch-prodrug-for-inhibiting-the-growth-and-metastasis-of-prostate-cancer
#1
Kaidong Zhao, Di Li, Weiguo Xu, Jianxun Ding, Weiqian Jiang, Mingqiang Li, Chunxi Wang, Xuesi Chen
Prostate cancer is one of the most prevalent malignancies among men. Although chemotherapy has been an effective therapeutic approach for treating metastatic prostate cancer, serious undesired side effects have hampered its wide application clinically. In this work, a pH-responsive LHRH-conjugated hydroxyethyl starch-doxorubicin (HES-DOX/LHRH) prodrug was facilely synthesized by conjugating oxidized HES (HES-CHO) with DOX and LHRH through an acid-sensitive Schiff base bond. The resulting prodrug spontaneously self-assembled into nanoscopic micelle with a radius of about 55 nm in an aqueous environment...
November 23, 2016: Biomaterials
https://www.readbyqxmd.com/read/27913965/plasma-amyloid-beta-levels-in-patients-with-different-types-of-cancer
#2
Wang-Sheng Jin, Xian-Le Bu, Yu-Hui Liu, Lin-Lin Shen, Zhen-Qian Zhuang, Shu-Sheng Jiao, Chi Zhu, Qing-Hua Wang, Hua-Dong Zhou, Tao Zhang, Yan-Jiang Wang
Several epidemiological investigations indicate that cancer survivors have a lower risk for Alzheimer's disease (AD) and vice versa. However, the associations between plasma amyloid-beta (Aβ) levels with cancer remain largely unknown. In this case-control study, 110 cancer patients, 70 AD patients, and 70 age- and gender-matched normal controls were recruited. The cancer types include esophagus cancer, colorectal cancer, hepatic cancer, and lung cancer, all of which were reported to be associated with a lower risk for AD...
December 3, 2016: Neurotoxicity Research
https://www.readbyqxmd.com/read/27913861/cxcl12-expression-and-pd-l1-expression-serve-as-prognostic-biomarkers-in-hcc-and-are-induced-by-hypoxia
#3
Alexander Semaan, Dimo Dietrich, Dominik Bergheim, Jörn Dietrich, Jörg C Kalff, Vittorio Branchi, Hanno Matthaei, Glen Kristiansen, Hans-Peter Fischer, Diane Goltz
Anti-PD-1 treatment increases anti-tumour immune responses in animal models of hepatocellular carcinoma (HCC). Sorafenib, the mainstay of treatment of HCC patients, however, leads to tumour hypoxia and thereby abrogates the efficacy of anti-PD-1 treatment. This served as a rationale to implement CXCR4 inhibition as adjunct to sorafenib and anti-PD-1 treatment in murine HCC models. We studied the relationship between tumour hypoxia, PD-L1 and CXCL12 expression in human HCC, aiming to test the rationale for triple therapy combining sorafenib, PD-1 immune checkpoint inhibitors and CXCR4 inhibitors...
December 2, 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27913776/necitumumab-for-the-treatment-of-squamous-cell-non-small-cell-lung-cancer
#4
Jessica K Brinkmeyer, Donald C Moore
Non-small cell lung cancer is the most common form of lung cancer, accounting for about 85% of all cases and is further subdivided into adenocarcinoma, squamous cell, and large cell carcinoma. Necitumumab (Portrazza™, Eli Lilly and Company) is an anti-epidermal growth factor receptor monoclonal antibody approved for the first-line treatment of squamous cell non-small cell lung cancer in combination with cisplatin and gemcitabine. The safety and efficacy of necitumumab has been evaluated in two-phase III clinical trials, one demonstrating a lack of efficacy in non-squamous non-small cell lung cancer and another demonstrating improvement in overall survival and progression-free survival in squamous cell non-small cell lung cancer...
December 2, 2016: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/27913481/anti-xa-monitoring-of-low-molecular-weight-heparin-in-adult-patients-with-cancer
#5
Lisa Baumann Kreuziger, Michael Streiff
A 68-year-old man developed a right femoral vein deep vein thrombosis and bilateral pulmonary embolism while receiving chemotherapy for stage IV prostate cancer. His creatinine at diagnosis is 1.4 mg/dL, with an estimated clearance of 63 mL/min. In patients with cancer, should low-molecular-weight heparin treatment be dosed according to weight, or adjusted using anti-Xa levels?
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913448/targeting-inflammation-in-cancer-prevention-and-therapy
#6
REVIEW
Jelena Todoric, Laura Antonucci, Michael Karin
Inflammation is associated with the development and malignant progression of most cancers. As most of the cell types involved in cancer-associated inflammation are genetically stable and thus are not subjected to rapid emergence of drug resistance, the targeting of inflammation represents an attractive strategy both for cancer prevention and for cancer therapy. Tumor-extrinsic inflammation is caused by many factors, including bacterial and viral infections, autoimmune diseases, obesity, tobacco smoking, asbestos exposure, and excessive alcohol consumption, all of which increase cancer risk and stimulate malignant progression...
December 2016: Cancer Prevention Research
https://www.readbyqxmd.com/read/27913204/the-selective-bcl-2-inhibitor-venetoclax-a-bh3-mimetic-does-not-dysregulate-intracellular-ca-2-signaling
#7
Tamara Vervloessem, Hristina Ivanova, Tomas Luyten, Jan B Parys, Geert Bultynck
Anti-apoptotic B cell-lymphoma-2 (Bcl-2) proteins are emerging as therapeutic targets in a variety of cancers for precision medicines, like the BH3-mimetic drug venetoclax (ABT-199), which antagonizes the hydrophobic cleft of Bcl-2. However, the impact of venetoclax on intracellular Ca(2+) homeostasis and dynamics in cell systems has not been characterized in detail. Here, we show that venetoclax did not affect Ca(2+)-transport systems from the endoplasmic reticulum (ER) in permeabilized cell systems. Venetoclax (1μM) did neither trigger Ca(2+) release by itself nor affect agonist-induced Ca(2+) release in a variety of intact cell models...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27913127/co-assembly-of-doxorubicin-and-curcumin-targeted-micelles-for-synergistic-delivery-and-improving-anti-tumor-efficacy
#8
Wenzhuan Ma, Qiang Guo, Ying Li, Xiaohui Wang, Jinling Wang, Pengfei Tu
Chemotherapeutic drugs have a series of limitations in anti-tumor treatment, mainly including multidrug resistance (MDR) and serious adverse reactions. Co-delivery system with two or more synergistic therapeutic drugs is an effective strategy to settle these limitations. In this study, active tumor-targeted co-delivery micelles (DOX+Cur)-PMs, with two synergistic drugs of a therapeutic drug of doxorubicin (DOX) and a chemosensitizer of curcumin (Cur) co-encapsulated into hyaluronic acid-vitamin E succinate (HA-VES) graft copolymer, were prepared and delivered simultaneously into tumor cells for improving therapeutic effects of DOX...
November 29, 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27913120/gene-delivery-nanoparticles-to-modulate-angiogenesis
#9
REVIEW
Jayoung Kim, Adam C Mirando, Aleksander S Popel, Jordan J Green
Angiogenesis is naturally balanced by many pro- and anti-angiogenic factors while an imbalance of these factors leads to aberrant angiogenesis, which is closely associated with many diseases. Gene therapy has become a promising strategy for the treatment of such a disordered state through the introduction of exogenous nucleic acids that express or silence the target agents, thereby engineering neovascularization in both directions. Numerous non-viral gene delivery nanoparticles have been investigated towards this goal, but their clinical translation has been hampered by issues associated with safety, delivery efficiency, and therapeutic effect...
November 29, 2016: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/27912911/hesperidin-ameliorates-immunological-outcome-and-reduces-neuroinflammation-in-the-mouse-model-of-multiple-sclerosis
#10
Dariush Haghmorad, Mohammad Bagher Mahmoudi, Zohreh Salehipour, Zoleikha Jalayer, Amir Abbas Momtazi Brojeni, Maryam Rastin, Parviz Kokhaei, Mahmoud Mahmoudi
Multiple sclerosis (MS) is the most abundant central nervous system (CNS) inflammatory disease, which is due to the reaction of auto reactive T cells with own myelin proteins, leading to physical disorder and paralysis among people suffering the disease. Hesperidin, a flavanone glycoside found abundantly in citrus fruits possesses a wide range of pharmacological properties including potential anti-inflammatory and anti-cancer effects. This study was designed to reveal the molecular and cellular mechanisms underlying the effect of hesperidin on MS alleviation...
November 26, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27912881/anti-metastatic-potential-of-resveratrol-and-its-metabolites-by-the-inhibition-of-epithelial-mesenchymal-transition-migration-and-invasion-of-malignant-cancer-cells
#11
REVIEW
Cho-Won Kim, Kyung-A Hwang, Kyung-Chul Choi
BACKGROUND: Increased epithelial-mesenchymal transition (EMT) and cell migration and invasion abilities of cancer cells play important roles in the metastatic process of cancer. Resveratrol is a stilbenoid, a type of natural polyphenol found in the skin of grapes, berries, and peanuts. A number of experiments have examined resveratrol's ability to target diverse pathways associated with carcinogenesis and cancer progression. PURPOSE: This article aims to present updated overview of the knowledge that resveratrol and its metabolites or analogs have the potential to inhibit metastasis of cancer via affecting many signaling pathways related with EMT, cancer migration, and invasion in diverse organs of the body...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27912880/combination-of-baicalein-and-10-hydroxy-camptothecin-exerts-remarkable-synergetic-anti-cancer-effects
#12
Qin Tang, Fangling Ji, Wenhui Sun, Jingyun Wang, Jianli Guo, Lianying Guo, Yachen Li, Yongming Bao
BACKGROUND: 10-Hydroxy camptothecin (HCPT), a naturally occurring alkaloid, is a clinical drug for cancer chemotherapy. Baicalein (BA) is a flavonoid extracted from the root of Scutellaria baicalensis. The synergistic anti-cancer effect of BA and HCPT has not been reported. PURPOSE: To explore whether and how BA enhances the anti-cancer effect of HCPT in BGC823 cells. METHODS: Cell viability was measured by MTT assay. Apoptosis and cell cycle were analyzed through flow cytometry and western blotting analysis...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27912873/pomolic-acid-suppresses-hif1%C3%AE-vegf-mediated-angiogenesis-by-targeting-p38-mapk-and-mtor-signaling-cascades
#13
Ji-Hyun Park, Jaewoo Yoon, Byoungduck Park
BACKGROUND: Pomolic acid (PA), an active triterpenoid from Euscaphis japonica, inhibits the proliferation of a variety of cancer cells, but the molecular mechanisms of the anti-angiogenic potential of PA have not been fully elucidated in breast cancer cells. HYPOTHESIS/PURPOSE: We investigated the molecular mechanisms underlying the anti-angiogenic effect of PA in epidermal growth factor (EGF)-responsive human breast cancer cells, MCF-7 and MDA-MB-231, and human umbilical vascular endothelial cells (HUVEC)...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27912872/anti-allergic-potential-of-typhonium-blumei-inhibition-of-degranulation-via-suppression-of-pi3k-plc%C3%AE-2-phosphorylation-and-calcium-influx
#14
Michal Korinek, Kuan-Ming Chen, Yu-Han Jiang, Mohamed El-Shazly, Joel Stocker, Chon-Kit Chou, Tsong-Long Hwang, Yang-Chang Wu, Bing-Hung Chen, Fang-Rong Chang
BACKGROUND: Typhonium blumei Nicolson & Sivadasan (Araceae) is a traditional Chinese medicinal herb possessing detumescent, detoxifying, and anti-inflammatory activities. It is used in Taiwan as a folk medicine to treat cancer and inflammatory diseases. Typhonium blumei is usually not distinguished from Typhonium roxburghii Schott and they are commonly used interchangeably. PURPOSE: To evaluate and compare the anti-allergic and anti-inflammatory properties of T...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27912844/heparanase-from-basic-research-to-therapeutic-applications-in-cancer-and-inflammation
#15
Israel Vlodavsky, Preeti Singh, Ilanit Boyango, Lilach Gutter-Kapon, Michael Elkin, Ralph D Sanderson, Neta Ilan
Heparanase, the sole heparan sulfate degrading endoglycosidase, regulates multiple biological activities that enhance tumor growth, angiogenesis and metastasis. Heparanase expression is enhanced in almost all cancers examined including various carcinomas, sarcomas and hematological malignancies. Numerous clinical association studies have consistently demonstrated that upregulation of heparanase expression correlates with increased tumor size, tumor angiogenesis, enhanced metastasis and poor prognosis. In contrast, knockdown of heparanase or treatments of tumor-bearing mice with heparanase-inhibiting compounds, markedly attenuate tumor progression further underscoring the potential of anti-heparanase therapy for multiple types of cancer...
November 2016: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/27912843/the-reduced-concentration-of-citrate-in-cancer-cells-an-indicator-of-cancer-aggressiveness-and-a-possible-therapeutic-target
#16
Icard Philippe, Lincet Hubert
Proliferating cells reduce their oxidative metabolism and rely more on glycolysis, even in the presence of O2 (Warburg effect). This shift in metabolism reduces citrate biosynthesis and diminishes intracellular acidity, both of which promote glycolysis sustaining tumor growth. Because citrate is the donor of acetyl-CoA, its reduced production favors a deacetylation state of proteins favoring resistance to apoptosis and epigenetic changes, both processes contributing to tumor aggressiveness. Citrate levels could be monitored as an indicator of cancer aggressiveness (as already shown in human prostate cancer) and/or could serve as a biomarker for response to therapy...
November 2016: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/27912840/the-semaphorins-and-their-receptors-as-modulators-of-tumor-progression
#17
Gera Neufeld, Yelena Mumblat, Tanya Smolkin, Shira Toledano, Inbal Nir-Zvi, Keren Ziv, Ofra Kessler
The semaphorins were initially characterized as repulsive axon guidance factors. However, they are currently also recognized as important regulators of diverse biological processes which include regulation of immune responses, angiogenesis, organogenesis, and a variety of additional physiological and developmental functions. The semaphorin family consists of more than 20 genes divided into seven subfamilies, all of which contain the sema domain signature. They usually transduce signals by activation of receptors belonging to the plexin family, either directly, or indirectly following the binding of some semaphorins to receptors of the neuropilin family which subsequently associate with plexins...
November 2016: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/27912781/an-immune-stratification-reveals-a-subset-of-pd-1-lag-3-double-positive-triple-negative-breast-cancers
#18
Giulia Bottai, Carlotta Raschioni, Agnese Losurdo, Luca Di Tommaso, Corrado Tinterri, Rosalba Torrisi, Jorge S Reis-Filho, Massimo Roncalli, Christos Sotiriou, Armando Santoro, Alberto Mantovani, Sherene Loi, Libero Santarpia
BACKGROUND: Stromal tumor-infiltrating lymphocytes (TILs) are a robust prognostic factor in triple-negative breast cancer (TNBC). However, the clinical significance of TILs may be influenced by the complex landscape of the tumor immune microenvironment. In this study, we aimed to evaluate the composition and the functionality of lymphocytic infiltration and checkpoint receptors in TNBC. METHODS: Formalin-fixed, paraffin-embedded tissues were retrospectively collected from a cohort of patients with early-stage TNBC treated with adjuvant anthracycline-based chemotherapy (n = 259)...
December 3, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27912174/synthesis-and-cytostatic-properties-of-polyfunctionalized-furanoallocolchicinoids
#19
Iuliia A Gracheva, Iuliia V Voitovich, Vladimir I Faerman, Nikolay S Sitnikov, Ekaterina V Myrsikova, Hans-Gunther Schmalz, Elena V Svirshevskaya, Alexey Yu Fedorov
A series of furan-based allocolchicinoids was prepared from commercially available colchicine via a nine-step reaction sequence. Cytostatic activity, cell cycle arrest, apoptosis, tubulin and F-actin expression were studied in vitro in 2D and 3D cultures of normal and tumor epithelial keratinocytes, endothelial and mesenchymal cells. Among the prepared furanoallocolchicine analogues, 14a and 7a displayed the most pronounced anti-cancer activity. These compounds induced two types of effects: (a) cell cycle arrest in the G2/M phase as a direct consequence of effective tubulin binding (metaphase effect), and (b) pronounced cell stress (as evidenced by the overexpression of tubulin and F-actin), which was caused by the hyperpolarization of mitochondrial and lysosomal membranes (interphase effect)...
November 16, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27912173/improved-anticancer-and-antiparasitic-activity-of-new-lawsone-mannich-bases
#20
Katharina Mahal, Aamir Ahmad, Florian Schmitt, Julia Lockhauserbäumer, Kathrin Starz, Rohan Pradhan, Subhash Padhye, Fazlul H Sarkar, Waleed S Koko, Rainer Schobert, Klaus Ersfeld, Bernhard Biersack
Substituted lawsone Mannich bases 2a-e, 3a-e and 4a-e were prepared and tested for their biological activities. The new fatty alkyl substituted compounds 2a-c exhibited strong and selective growth inhibitory activities in the low one-digit micromolar and sub-micromolar range against a panel of human cancer cell lines associated with ROS formation. In addition, compounds 2a-c revealed sub-micromolar anti-trypanosomal activities against parasitic Trypanosoma brucei brucei cells via deformation of the microtubule cytoskeleton...
November 22, 2016: European Journal of Medicinal Chemistry
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