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https://www.readbyqxmd.com/read/28535587/bicyclol-exerts-an-anti-tumor-effect-via-ros-mediated-endoplasmic-reticulum-stress-in-human-renal-cell-carcinoma-cells
#1
Jing Wu, Weichao Zheng, Ling Rong, Yingru Xing, Dong Hu
Renal cell carcinoma (RCC) is the most common subtype of kidney cancer. Currently, there is a lack of efficient treatment for RCC. Bicyclol, an anti-hepatitis drug, has been demonstrated to possess anti-tumor properties. However, the effect of bicyclol in RCC remains elusive. Therefore, the aim of this study is to investigate the biological effects of bicyclol on RCC and the underlying mechanisms. The data from this study indicated that bicyclol markedly induced cell apoptosis and cell cycle arrest and increased the production of reactive oxygen species (ROS) in RCC cells...
May 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28535551/angiotensin-converting-enzyme-inhibitors-and-angiotensin-receptor-blockers-modulate-the-function-of-myelinated-fibers-after-chemotherapy-a-quantitative-sensory-testing-study
#2
Carlos J Roldan, Juhee Song, Mitchell P Engle, Patrick M Dougherty
BACKGROUND: Angiotensin-converting enzyme inhibitors (ACEI) and angiotensin receptor blockers (ARB) have sufficient scientific support for their use as tissue protectors. Preliminary studies suggest that their angiotensin-II type 2 receptor (AT2R)-blocking properties have a beneficial profile in the treatment of neuropathic pain. OBJECTIVES: The purpose of the current study was to quantify the extent of the somatosensory effects of ACEI and ARB in cancer patients with chemotherapy-induced peripheral neuropathy...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28534996/ginsenoside-rd-regulates-the-akt-mtor-p70s6k-signaling-cascade-and-suppresses-angiogenesis-and-breast-tumor-growth
#3
Eryun Zhang, Hailian Shi, Li Yang, Xiaojun Wu, Zhengtao Wang
Blockade of angiogenesis is an important approach for cancer treatment and prevention. In the present study, we investigated the effect of ginsenoside Rd (Rd) on angiogenesis in vitro and in vivo. Our results demonstrated that Rd inhibited vascular endothelial growth factor (VEGF)-induced migration, tube formation and proliferation of primary cultured human umbilical vascular endothelial cells (HUVECs) dose‑dependently. Furthermore, Rd abrogated VEGF-induced sprouting of the vessels from aortic rings, and inhibited vascular formation in the Matrigel plug assay in vivo...
May 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534973/role-of-x%C3%A2-linked-inhibitor-of-apoptosis%C3%A2-associated-factor%C3%A2-1-in-vasculogenic-mimicry-in-ovarian-cancer
#4
Yunxia Wang, Peishu Liu, Xietong Wang, Hongluan Mao
X-linked inhibitor of apoptosis‑associated factor 1 (XAF1) was identified as a novel X-linked inhibitor of apoptosis (XIAP) binding partner that may reverse the anti‑apoptotic effect of XIAP. Previous studies have revealed that XAF1 serves an important role in cancer angiogenesis. Vasculogenic mimicry (VM) describes the formation of fluid‑conducting channels by highly invasive and genetically dysregulated tumor cells. VM is critical for tumor blood supply and is associated with aggressive actions and metastasis...
May 17, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534969/the-cdc2-cdk1-inhibitor-purvalanol-a-enhances-the-cytotoxic-effects-of-taxol-through-op18-stathmin-in-non-small-cell-lung-cancer-cells-in%C3%A2-vitro
#5
Xian Chen, Ying Liao, Dan Long, Ting Yu, Fang Shen, Xuechi Lin
Purvalanol A is a highly selective inhibitor of Cdc2 [also known as cyclin-dependent kinase 1 (CDK1)]. Taxol is an anti-tumor chemotherapeutic drug which is widely used clinically. In this study, the CDK1 inhibitor, purvalanol A was applied to explore the relevance of Cdc2 signaling and taxol sensitivity through analyses, such as cellular proliferation and apoptosis assays, ELISA, western blot analysis and immunoprecipitation. We demonstrated that purvalanol A effectively enhanced the taxol-induced apoptosis of NCI-H1299 cells, as well as its inhibitory effects on cellular proliferation and colony formation...
May 15, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28534943/bu-fei-decoction-attenuates-the-tumor-associated-macrophage-stimulated-proliferation-migration-invasion-and-immunosuppression-of-non-small-cell-lung-cancer-partially-via-il-10-and-pd-l1-regulation
#6
Lina Pang, Shuyan Han, Yanna Jiao, Shantong Jiang, Xiran He, Pingping Li
Macrophages play a pivotal role in tumor microenvironment. Bu-Fei Decoction (BFD) is a classical formula of traditional Chinese medicine (TCM) to alleviate lung cancer related symptoms, whether it has antitumor effect or could influence cancer microenvironment deserves further study. The aim of the present study was to examine the antitumor effect of BFD on non-small cell lung cancer (NSCLC), and to investigate the underlying mechanisms through tumor associated macrophages (TAMs). M2-polarized TAMs were induced by Phorbol 12-myristate 13-acetate (PMA) and interleukin 4 (IL-4)...
May 19, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28534941/two-natural-eudesmane-type-sesquiterpenes-from-laggera-alata-inhibit-angiogenesis-and-suppress-breast-cancer-cell-migration-through-vegf-and-angiopoietin-2-mediated-signaling-pathways
#7
Ning Liang, Yaolan Li, Hau Yin Chung
Eudesmane-type sesquiterpenes are natural sesquiterpenes with anti-inflammatory properties, but their anti-angiogenic activities are not known. The present study demonstrated that 5α-hydroxycostic acid and hydroxyisocostic acid, two eudesmane-type sesquiterpenes (ETSs), isolated from the herb Laggera alata, possessed anti-angiogenic effects. Under non-toxic dosage, ETSs suppressed VEGF‑induced proliferation in human umbilical vein endothelial cells (HUVECs) and vessel formation in zebrafish embryos. Moreover, ETSs inhibited VEGF-stimulated HUVEC migration, stress fibers and tube formation...
May 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28534937/the-inhibitory-effect-of-meg3-mir-214-aifm2-axis-on-the-growth-of-t-cell-lymphoblastic-lymphoma
#8
Fang-Yi Fan, Rui Deng, Hai Yi, Hao-Ping Sun, Yan Zeng, Guang-Cui He, Yi Su
T-cell lymphoblastic lymphoma (T-LBL) is an aggressive malignancy with poor prognosis and high recurrence rate. Long non-coding RNA (lncRNA)-MEG3 is an important tumor suppressor in various cancers. The present study investigated the potential role of maternally expressed gene 3 (MEG3) in the progression of T-LBL. Suppressed expression of MEG3 was detected in T-LBL tissues compared with adjacent histologically normal tissues. Down-regulated level of MEG3 was also found in three T-LBL cell lines (CCRF-CEM, Jurkat and SUP-T1) compared with human T-cell line H9...
May 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28534824/isorhynchophylline-a-potent-plant-alkaloid-induces-apoptotic-and-anti-metastatic-effects-in-human-hepatocellular-carcinoma-cells-through-the-modulation-of-diverse-cell-signaling-cascades
#9
Hanwool Lee, Seung Ho Baek, Jong Hyun Lee, Chulwon Kim, Jeong-Hyeon Ko, Seok-Geun Lee, Arunachalam Chinnathambi, Sulaiman Ali Alharbi, Woong Mo Yang, Jae-Young Um, Gautam Sethi, Kwang Seok Ahn
Isorhynchophylline (Rhy) is an active pharmacological component of Uncaria rhynchophylla that has been reported previously to exert significant antihypertensive and neuroprotective effects. However, very little is known about its potential anti-cancer activities. This study was carried out to evaluate the anticancer effects of Rhy against various human carcinoma cell lines. We found that Rhy exhibited substantial cytotoxic effect against human hepatocellular carcinoma HepG2 cells when compared with other human carcinoma cell lines including those of lung, pancreas, prostate, head and neck, breast, multiple myeloma, brain and renal cell carcinoma...
May 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28534531/unravelling-the-biology-of-sclc-implications-for-therapy
#10
REVIEW
Joshua K Sabari, Benjamin H Lok, James H Laird, John T Poirier, Charles M Rudin
Small-cell lung cancer (SCLC) is an aggressive malignancy associated with a poor prognosis. First-line treatment has remained unchanged for decades, and a paucity of effective treatment options exists for recurrent disease. Nonetheless, advances in our understanding of SCLC biology have led to the development of novel experimental therapies. Poly [ADP-ribose] polymerase (PARP) inhibitors have shown promise in preclinical models, and are under clinical investigation in combination with cytotoxic therapies and inhibitors of cell-cycle checkpoints...
May 23, 2017: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/28534520/extracolonic-cancer-in-inflammatory-bowel-disease-data-from-the-geteccu-eneida-registry
#11
María Chaparro, M Ramas, J M Benítez, A López-García, A Juan, J Guardiola, M Mínguez, X Calvet, L Márquez, L I Fernández Salazar, L Bujanda, C García, Y Zabana, R Lorente, J Barrio, E Hinojosa, M Iborra, M Domínguez Cajal, M Van Domselaar, M F García-Sepulcre, F Gomollón, M Piqueras, G Alcaín, V García-Sánchez, J Panés, E Domènech, E García-Esquinas, F Rodríguez-Artalejo, J P Gisbert
OBJECTIVES: The objective of this study was (a) To know the prevalence and distribution of extracolonic cancer (EC) in patients with inflammatory bowel disease (IBD); (b) To estimate the incidence rate of EC; (c) To evaluate the association between EC and treatment with immunosuppressants and anti-tumor necrosis factor (TNF) agents. METHODS: This was an observational cohort study. INCLUSION CRITERIA: IBD and inclusion in the ENEIDA Project (a prospectively maintained registry) from GETECCU...
May 23, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28534298/formulation-and-in-vitro-characterization-of-bioactive-mesoporous-silica-with-doxorubicin-and-metronidazole-intended-for-bone-treatment-and-regeneration
#12
Katarzyna Czarnobaj, Magdalena Prokopowicz, Wiesław Sawicki
The purpose of this study was to evaluate the surface mineralization activity and in vitro drug behavior potential of two forms of mesoporous silica: powder and granulate. Ordered mesoporous SiO2 powder was synthesized by surfactant-assisted sol-gel process using tetraethoxysilane as a silica precursor and hexadecyltrimethylammonium bromide as the structure-directing agent. The granulate was prepared using silica powder and ethyl cellulose as a binding agent. Metronidazole (MT)-an anti-inflammatory substance and doxorubicin hydrochloride (ChD)-an anti-cancer drug were chosen as drug models for delivery studies...
May 22, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28534292/development-and-characterization-of-a-neutralizing-anti-idiotype-antibody-against-mirvetuximab-for-analysis-of-clinical-samples
#13
Sven Loebrich, Mingfang Shen, Erika Cohen, Gillian Payne, Ying Chen, Megan Bogalhas, Yiwei Zhao
Antibody-drug-conjugates (ADCs) are an emerging class of biological therapeutics. Mirvetuximab soravtansine is a novel folate receptor alpha (FRα)-targeting ADC which represents a potential new treatment for patients with ovarian and other FRα-positive cancers. Since patient immune responses to biological therapeutics may negatively affect drug efficacy and patient safety, regulatory authorities require rigorous monitoring of patient samples. Taking advantage of the immune system's ability to generate highly specific antibodies, the field has turned to anti-idiotype antibodies as powerful tools for the development of sensitive and specific bioassays...
May 22, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28533948/radiosensitization-effect-of-hsa-mir-138-2-3p-on-human-laryngeal-cancer-stem-cells
#14
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/28533894/a-scaffold-merging-approach-to-hsp90-c-terminal-inhibition-synthesis-and-evaluation-of-a-chimeric-library
#15
Rachel E Davis, Zheng Zhang, Brian S J Blagg
Inhibition of the Hsp90 C-terminus is an attractive therapeutic paradigm for the treatment of cancer, however the developmental space of C-terminal inhibitors is limited. It was hypothesized that the combination of two previously identified scaffolds into a single structure could provide a platform for which to probe the three-dimensional space within the Hsp90 C-terminal binding pocket. The resulting chimeric compounds displayed anti-proliferative activity at low micromolar concentrations and manifested inhibitory activity in an Hsp90-dependent rematuration assay...
March 1, 2017: MedChemComm
https://www.readbyqxmd.com/read/28533437/metformin-inhibits-cellular-proliferation-and-bioenergetics-in-colorectal-cancer-patient-derived-xenografts
#16
Nur-Afidah Mohamed Suhaimi, Wai Min Phyo, Hao Yun Yap, Sharon Heng Yee Choy, Xiaona Wei, Yukti Choudhury, Wai Jin Tan, Luke Anthony Peng Yee Tan, Roger Sik Yin Foo, Suzanne Hui San Tan, Zenia Tiang, Chin Fong Wong, Poh Koon Koh, Min-Han Tan
There is increasing pre-clinical evidence suggesting that metformin, an anti-diabetic drug, has anti-cancer properties against various malignancies including colorectal cancer (CRC). However, majority of evidence which were derived from cancer cell lines and xenografts are likely to overestimate the benefit of metformin since these models are inadequate and require supraphysiological levels of metformin. Here, we generated patient-derived xenografts (PDX) lines from 2 CRC patients to assess the properties of metformin and 5-fluorouracil (5-FU), the first-line drug treatment for CRC...
May 22, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28533222/fractionated-radiation-therapy-stimulates-anti-tumor-immunity-mediated-by-both-resident-and-infiltrating-polyclonal-t-cell-populations-when-combined-with-pd1-blockade
#17
Simon J Dovedi, Eleanor J Cheadle, Amy Popple, Edmund Poon, Michelle Morrow, Ross Stewart, Erik Yusko, Catherine Sanders, Marissa Vignali, Ryan Emerson, Harlan Robins, Robert W Wilkinson, Jamie Honeychurch, Timothy Illidge
Purpose: Radiotherapy (RT) is a highly effective anti-cancer treatment forming part of the standard of care for the majority of patients, but local and distal disease recurrence remains a major cause of mortality. RT is known to enhance tumor immunogenicity; however, the contribution and mechanisms of RT induced immune responses are unknown. <p>Experimental Design: The impact of low-dose fractionated RT (5 x 2 Gy) alone and in combination with αPD-1 mAb on the tumor microenvironment was evaluated by flow cytometry and next-generation sequencing (NGS) of the T-cell receptor (TCR)-repertoire...
May 22, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28533220/triptolide-assisted-phosphorylation-of-p53-suppresses-inflammation-induced-nf-%C3%AE%C2%BAb-survival-pathways-in-cancer-cells
#18
Li Zheng, Jia Jia, Huifang Dai, Lei Wan, Jian Liu, Lin Hu, Mian Zhou, Michael Qiu, Xufeng Chen, Lufen Chang, Jae Y Kim, Karen Reckamp, Dan J Raz, Zongping Xia, Binghui Shen
Chronic inflammation plays important roles in cancer initiation and progression. Resolving chronic inflammation or blocking inflammatory signal transduction may prevent cancer development. Here, we report that the combined low-dose use of two anti-inflammatory drugs, aspirin and triptolide, reduces spontaneous lung cancer incidence from 70% to 10% in a mouse model. Subsequent studies reveal that such treatment has little effect in resolving chronic inflammatory conditions in the lung, but it significantly blocks NF-κB-mediated expression of proliferation and survival genes in cancer cells...
May 22, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28533126/sonodynamic-therapy-combined-with-novel-anti-cancer-agents-sanguinarine-and-ginger-root-extract-synergistic-increase-in-toxicity-in-the-presence-of-panc-1-cells-in-vitro
#19
Matthew Prescott, James Mitchell, Stella Totti, Judy Lee, Eirini Velliou, Madeleine Bussemaker
The presence of ultrasound-induced cavitation in sonodynamic therapy (SDT) treatments has previously enhanced the activity and delivery of certain sonosensitisers in biological systems. The purpose of this work was to investigate the potential for two novel anti-cancer agents from natural derivatives, sanguinarine and ginger root extract (GRE), as sonosensitisers in an SDT treatment with in vitro PANC-1 cells. Both anti-cancer compounds had a dose-dependent cytotoxicity in the presence of PANC-1 cells. A range of six discreet ultrasound power-frequency configurations were tested and it was found that the cell death caused directly by ultrasound was likely due to the sonomechanical effects of cavitation...
May 13, 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28533090/identification-of-ahcy-inhibitors-using-novel-high-throughput-mass-spectrometry
#20
Noriko Uchiyama, Douglas R Dougan, J David Lawson, Hitomi Kimura, Shin-Ichi Matsumoto, Yukiya Tanaka, Tomohiro Kawamoto
S-adenosylhomocysteine hydrolase (AHCY) catalyzes the reversible hydrolysis of S-adenosylhomocysteine (SAH) to adenosine and L-homocysteine. This enzyme is frequently overexpressed in many tumor types and is considered to be a validated anti-tumor target. In order to enable the development of small molecule AHCY inhibitors as targeted cancer therapeutics we developed an assay based on a RapidFire high-throughput mass spectrometry detection system, which allows the direct measurement of AHCY enzymatic activity...
May 19, 2017: Biochemical and Biophysical Research Communications
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