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https://www.readbyqxmd.com/read/29050347/efficacy-and-safety-of-dose-dense-chemotherapy-in-urothelial-carcinoma
#1
Chenjing Zhu, Jiaming Liu, Jing Zhang, Qingfang Li, Qisi Lian, Jing Xu, Xuelei Ma
We conducted a meta-analysis to assess the efficacy and safety of dose-dense chemotherapy in the treatment of patients with urothelial carcinoma. A systematic search was conducted in PubMed, Medline, Embase, Web of Science and Cochrane Collaboration's Central register of controlled trials (CENTRAL) for relevant articles. Data was obtained from 10 trials with a total of 1093 patients. The pooled pathologic complete response (pCR) was 27.8% in the ten studies with a full cohort of 684 patients who received dose-dense methotrexate, vinblastine, adriamycin and cisplatin (dd-MVAC)...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050332/survival-outcomes-based-on-systemic-agent-used-concurrently-with-radiation-in-human-papillomavirus-associated-oropharyngeal-cancer
#2
Vikas Mehta, Tara Moore-Medlin, Jose M Flores, Xiaohui Ma, Oleksandr Ekshyyan, Cherie-Ann O Nathan
PURPOSE: To investigate survival outcomes of patients treated with concurrent cetuximab and radiotherapy for primary management of both HPV positive and negative OPSCC, and compare the results to traditional platinum-based therapy. We hypothesize that the use of cetuximab in the HPV positive OPSCC patients will result in inferior survival based on tumor biological differences. STUDY DESIGN: A single institution retrospective analysis of 304 patients. The primary outcomes of interest were 1) overall survival and 2) relapse free survival...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050305/calyxin-y-sensitizes-cisplatin-sensitive-and-resistant-hepatocellular-carcinoma-cells-to-cisplatin-through-apoptotic-and-autophagic-cell-death-via-scf-%C3%AE-trcp-mediated-eef2k-degradation
#3
Chao Zhang, Jian-Li Lei, Hao Zhang, Yuan-Zheng Xia, Pei Yu, Lei Yang, Ling-Yi Kong
The down-regulation of eukaryotic elongation factor-2 kinase (eEF2K) is associated with an enhancement in the sensitivity of malignant cells to chemotherapeutic agents. In this study, we found that the silencing of eEF2K enhanced cisplatin (CDDP)-induced cytotoxicity in CDDP-sensitive (HepG2) and resistant (HepG2/CDDP) cells. Calyxin Y, a unique chalcone diarylheptanoid adduct, down-regulated eEF2K by promoting Skp1-Cul1-F-box protein (SCF) β-transducin repeat-containing protein (βTrCP)-mediated protein degradation and synergistically enhanced the cytotoxicity of CDDP...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050290/gmi-ablates-cancer-stemness-and-cisplatin-resistance-in-oral-carcinomas-stem-cells-through-il-6-stat3-signaling-inhibition
#4
Tung Yuan Wang, Cheng-Chia Yu, Pei-Ling Hsieh, Yi-Wen Liao, Chuan-Hang Yu, Ming-Yung Chou
Cancer stem cells (CSCs) have been identified to exert tumor-initiating ability, resulting in the recurrence, metastasis and chemoresistance of oral squamous cell carcinomas. In the present study, we showed that GMI, an immunomodulatory protein from Ganoderma microsporum, induc ed a cytotoxic effect in oral carcinomas stem cells (OCSCs). Treatment of GMI dose-dependently inhibited the expression of CSC markers, including ALDH1 activity and CD44 positivity. Moreover, GMI suppressed the self-renewal property, colony formation, migration, and invasion abilities as well as potentiated chemo-sensitivity in OCSCs...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049998/endoplasmic-reticulum-stress-is-involved-in-cochlear-cell-apoptosis-in-a-cisplatin-induced-ototoxicity-rat-model
#5
Shimin Zong, Tianyi Liu, Fangmin Wan, Pei Chen, Pan Luo, Hongjun Xiao
Endoplasmic reticulum (ER) stress arises when excessive improperly folded proteins accumulate in the ER lumen. When ER stress occurs, the unfolded protein response (UPR) is subsequently activated to restore ER proteostasis. However, severe ER stress leads to apoptosis. Recent studies have suggested that cisplatin cytotoxicity may be related to ER stress. The purpose of this study was to determine whether ER stress participates in cochlear cell apoptosis in a cisplatin-induced ototoxicity rat model and to also determine the possible relationship between ER stress and hearing loss...
October 20, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/29049988/magnolia-officinalis-bark-extract-induces-depolarization-of-pacemaker-potentials-through-m2-and-m3-muscarinic-receptors-in-cultured-murine-small-intestine-interstitial-cells-of-cajal
#6
Hyun Jung Kim, Taewon Han, Yun Tai Kim, Insuk So, Byung Joo Kim
BACKGROUND: Magnolia officinalis Rehder and EH Wilson (M. officinalis) are traditional Chinese medicines widely used for gastrointestinal (GI) tract motility disorder in Asian countries. We investigated the effects of an ethanol extract of M. officinalis (MOE) on the pacemaker potentials of cultured interstitial cells of Cajal (ICCs) in vitro and its effects on GI motor functions in vivo. METHODS: We isolated ICCs from small intestines, and the whole-cell patch-clamp configuration was used to record the pacemaker potentials in cultured ICCs in vitro...
October 19, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29049340/pressurized-intra-peritoneal-aerosol-chemotherapy-in-patients-suffering-from-peritoneal-carcinomatosis-of-pancreatic-adenocarcinoma
#7
Tanja Khosrawipour, Veria Khosrawipour, Urs Giger-Pabst
BACKGROUND: Patients suffering from peritoneal carcinomatosis of pancreatic adenocarcinoma were treated with Pressurized Intra Peritoneal Aerosol Chemotherapy (PIPAC), initial clinical findings are presented. METHODS: Single institution, tertiary referral center certified for therapy of peritoneal disease. Prospective data collection of PIPAC therapy with doxorubicin 1.5 mg/m2 and cisplatin 7.5 mg/m2 of body surface delivered at intervals of six weeks. The outcome criteria were microscopic pathological response, survival and adverse events (v4...
2017: PloS One
https://www.readbyqxmd.com/read/29049199/paclitaxel-as-third-line-chemotherapy-for-small-cell-lung-cancer-failing-both-etoposide-and-camptothecin-based-chemotherapy
#8
Se Hyun Kim, Mi-Jung Kim, Yu Jung Kim, Hyun Chang, Jin Won Kim, Jeong-Ok Lee, Keun-Wook Lee, Jee Hyun Kim, Soo-Mee Bang, Jong Seok Lee
Paclitaxel has been shown to have clinical activity in the treatment of small cell lung cancer (SCLC). However, its role as third-line chemotherapy for SCLC after both etoposide- and camptothecin-based regimens has not been clarified.All patients with refractory SCLC who were treated with paclitaxel-based regimen as third-line chemotherapy between 2005 and 2011 in Seoul National University Bundang Hospital were reviewed retrospectively. Forty patients previously treated with both etoposide- and camptothecin-based chemotherapy were included...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29049188/incidence-of-venous-thromboembolism-following-the-neoadjuvant-chemotherapy-regimen-for-epithelial-type-of-ovarian-cancer
#9
Devendra Manik Chavan, Zhen Huang, Kun Song, Leela Rani Haricharan Parimi, Xing Sheng Yang, Xiangning Zhang, Peishu Liu, Jie Jiang, Youzhong Zhang, Beihua Kong, Li Li
This study aims to analyze the risk of venous thromboembolism (VTE) in patients receiving neoadjuvant chemotherapy (NACT) for epithelial ovarian cancer (EOC).A retrospective audit was conducted examining 147 patients treated for EOC. Surgical treatment with curative intent, with or without NACT and adjuvant chemotherapy, is the treatment approach, which was modified according to the patient's condition. The incidence of VTE with the most commonly used chemotherapy regimen, carboplatin, cisplatin, paclitaxel, docetaxel, and others were evaluated...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29048868/control-of-carbon-nanotube-solvatochromic-response-to-chemotherapeutic-agents
#10
Jackson D Harvey, Hanan A Baker, Elizabeth Mercer, Januka Budhathoki-Uprety, Daniel A Heller
Alkylating agents such as cisplatin play an essential role in chemotherapy regimens, but initial and acquired resistance in many cancer types often dampen therapeutic response. The poor understanding of the mechanisms of resistance highlight the need for quantitative measurements of alkylating agent distribution at both the tissue and subcellular levels. Sensors for use in live animals and cells would allow for more effective study of drug action and resistance. Toward this end, single-walled carbon nanotubes suspended with single-stranded DNA have suitable optical properties for in vivo sensors, such as near-infrared emission and sensitivity to the local environment via solvatochromic responses...
October 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29048671/adoptive-immunotherapy-combined-with-fp-treatment-for-head-and-neck-cancer-an-in%C3%A2-vitro-study
#11
Mayako Nishio-Nagai, Susumu Suzuki, Kazuhiro Yoshikawa, Ryuzo Ueda, Yoshiaki Kazaoka
FP treatment, which combines 5-fluorouracil (5-FU) and cisplatin (CDDP) chemotherapy, is widely used for treatment of advanced head and neck cancer (HNC). It has been suggested that these drugs cause immunomodulation in the cancer microenvironment, for example, downregulation of immunosuppressive cells such as regulatory T-cells (Tregs) and myeloid-derived suppressive cells (MDSCs), activating dendritic cells (DCs), and upregulation of tumor antigens and major histocompatibility complex (MHC) molecules in cancer cells leads to enhancement of cancer immunity, which is important in cancer treatment, as well as providing a direct killing effect...
October 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29048667/inhibitory-effect-of-black-tea-pigments-theaflavin%C3%A2-3-3-gallate-against-cisplatin-resistant-ovarian-cancer-cells-by-inducing-apoptosis-and-g1-cell-cycle-arrest
#12
Haibo Pan, Fang Wang, Gary O Rankin, Yon Rojanasakul, Youying Tu, Yi Charlie Chen
Adverse side effects and acquired resistance to conventional chemotherapy based on platinum drive the exploration of other selective anticancer drugs. Theaflavin‑3-gallate (TF2a) and theaflavin‑3'-gallate (TF2b), theaflavin monomers in black tea, exhibited a potent growth inhibitory effect on cisplatin-resistant ovarian cancer A2780/CP70 cells and were less cytotoxic to normal ovarian IOSE-364 cell line. Flow cytometry analysis and western blotting indicated that TF2a and TF2b induced apoptosis and G1 cell cycle arrest in ovarian cancer A2780/CP70 cells...
October 3, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29048645/establishment-and-characterization-of-human-osteosarcoma-cells-resistant-to-pyropheophorbide-%C3%AE-methyl-ester-mediated-photodynamic-therapy
#13
Yong Tao, Yunsheng Ou, Hang Yin, Yanyang Chen, Shenxi Zhong, Yongjian Gao, Zenghui Zhao, Bin He, Qiu Huang, Qianxing Deng
The present study was performed to establish and characterize new human osteosarcoma cell lines resistant to pyropheophorbide-α methyl ester‑mediated photodynamic therapy (MPPa-PDT). MPPa-PDT-resistant cells are isolated from the human osteosarcoma MG63 and HOS cell lines and two resistant populations were finally acquired, including MG63/PDT and HOS/PDT. Cell Counting Kit-8 (CCK-8) assay was used to determine the MPPa-PDT, cisplatin (CDDP) resistance and proliferation of MG63, MG63/PDT, HOS and HOS/PDT cells...
September 27, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29048638/reversal-effect-of-adenovirus-mediated-human-interleukin%C3%A2-24-transfection-on-the-cisplatin-resistance-of-a549-ddp-lung-cancer-cells
#14
Mingju Xu, Xioawei Tang, Jinjin Guo, Wangbang Sun, Faqing Tang
Interleukin-24 (IL-24) is a tumor-suppressor gene that has been documented in human melanoma cells. IL-24 has marked antitumor activities on various types of human cancer, but its underlying mechanism remains unclear. In the present, we investigated the effects of human IL-24 (hIL-24) on the chemotherapy resistance of lung cancer cells. The cisplatin (DDP)-resistant lung carcinoma cell line A549/DDP was subjected to adenovirus-mediated transfection with the human IL-24 gene (Ad-hIL-24). The growth-inhibitory and apoptotic effects of Ad-hIL-24 on A549/DDP cells were observed, and the expression levels of AKT, phosphorylated-AKT (p-AKT) and P-glycoprotein (P-gp) were detected...
September 26, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29048624/liquiritin-induces-apoptosis-and-autophagy-in-cisplatin-ddp-resistant-gastric-cancer-cells-in-vitro-and-xenograft-nude-mice-in-vivo
#15
Feng Wei, Xin Jiang, Hao-Yue Gao, Shuo-Hui Gao
Gastric cancer is reported as one of the leading factors resulting in tumor-related death worldwide. However, the therapies to suppress gastric cancer are still limited and the emergence of drug resistance makes it necessary to develop new and effective anticancer drugs and combinational chemotherapy schemes. Liquiritin (LIQ) is a major constituent of Glycyrrhiza Radix, exhibiting various pharmacological activities, including anticancer. In this study, we investigated the role of LIQ in human gastric cancer cells with cisplatin (DDP) resistance...
September 22, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29048505/outcome-of-patients-with-intracranial-non-germinomatous-germ-cell-tumors-lessons-from-the-siop-cns-gct-96-trial
#16
Gabriele Calaminus, Didier Frappaz, Rolf Dieter Kortmann, Barbara Krefeld, Frank Saran, Torsten Pietsch, Alexandre Vasiljevic, Maria Luisa Garre, Umberto Ricardi, Jillian R Mann, Ulrich Göbel, Claire Alapetite, Matthew J Murray, James C Nicholson
Background: Following promising results to increase survival and reduce treatment burden in intracranial non-germinomatous germ cell tumors (NGGCTs), we conducted a European study using dose-intense chemotherapy followed by risk-adapted radiotherapy. Methods: All patients received 4 courses of cisplatin/etoposide/ifosfamide. Non-metastatic patients then received focal radiotherapy only (54 Gy); metastatic patients received 30 Gy craniospinal radiotherapy with 24 Gy boost to primary tumor and macroscopic metastatic sites...
July 5, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/29048400/cd10-aldh-cells-are-the-sole-cisplatin-resistant-component-of-a-novel-ovarian-cancer-stem-cell-hierarchy
#17
Brendan Ffrench, Claudia Gasch, Karsten Hokamp, Cathy Spillane, Gordon Blackshields, Thamir Mahmoud Mahgoub, Mark Bates, Louise Kehoe, Aoibhinn Mooney, Ronan Doyle, Brendan Doyle, Dearbhaile O'Donnell, Noreen Gleeson, Bryan T Hennessy, Britta Stordal, Ciaran O'Riain, Helen Lambkin, Sharon O'Toole, John J O'Leary, Michael F Gallagher
It is long established that tumour-initiating cancer stem cells (CSCs) possess chemoresistant properties. However, little is known of the mechanisms involved, particularly with respect to the organisation of CSCs as stem-progenitor-differentiated cell hierarchies. Here we aimed to elucidate the relationship between CSC hierarchies and chemoresistance in an ovarian cancer model. Using a single cell-based approach to CSC discovery and validation, we report a novel, four-component CSC hierarchy based around the markers cluster of differentiation 10 (CD10) and aldehyde dehydrogenase (ALDH)...
October 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29048088/synthesis-characterization-and-biological-activity-of-new-cyclometallated-platinum-iv-iodido-complexes
#18
Emma Bauer, Xavier Domingo, Cristina Balcells, Ibrahim H Polat, Margarita Crespo, Josefina Quirante, Josefa Badía, Laura Baldomà, Mercè Font-Bardia, Marta Cascante
The synthesis of six novel cyclometallated platinum(iv) iodido complexes is accomplished by intermolecular oxidative addition of methyl iodide (compounds 2a-2c) or iodine (compounds 3a-3c) upon cyclometallated platinum(ii) compounds [PtX{(CH3)2N(CH2)3NCH(4-ClC6H3)}] (1a-1c: X = Cl, CH3 or I). The X-ray molecular structures of platinum(ii) compound 1c and platinum(iv) compounds 3b and 3a' (an isomer of 3a) are reported. The cytotoxic activity against a panel of human adenocarcinoma cell lines (A-549 lung, MDA-MB-231 and MCF-7 breast, and HCT-116 colon), DNA interaction, topoisomerase I, IIα, and cathepsin B inhibition, and cell cycle arrest, apoptosis and ROS generation of the investigated complexes are presented...
October 19, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29047418/primary-small-cell-carcinoma-of-the-breast-a-case-report
#19
Iman Abou Dalle, Jaber Abbas, Fouad Boulos, Ziad Salem, Hazem I Assi
BACKGROUND: Neuroendocrine breast cancer is a rare entity that was defined in 2003 by the World Health Organization as a separate breast cancer subtype. The diagnosis of neuroendocrine breast cancer requires the presence of neuroendocrine features in at least 50% of malignant cells, the exclusion of non-mammary primary tumors, as well as the presence of an in situ component in breast histology. The treatment and prognosis of neuroendocrine breast cancer are still not well established...
October 19, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29047408/the-efficacy-of-the-kampo-medicine-rikkunshito-for-chemotherapy-induced-anorexia-rich-trial-study-protocol-for-a-randomized-controlled-trial
#20
Takuya Inoue, Hironori Takagi, Yuki Owada, Yuzuru Watanabe, Takumi Yamaura, Mitsuro Fukuhara, Satoshi Muto, Naoyuki Okabe, Yuki Matsumura, Takeo Hasegawa, Jun Osugi, Mika Hoshino, Mitsunori Higuchi, Yutaka Shio, Hiroshi Yokouchi, Kenya Kanazawa, Katsuya Ohbuchi, Takahisa Fukushima, Mitsuru Munakata, Hiroyuki Suzuki
BACKGROUND: Cisplatin is a key drug in lung cancer therapy. However, cisplatin is also well known to induce gastrointestinal disorders, such as chemotherapy-induced nausea and vomiting, anorexia, and weight loss. These symptoms sometimes affect patients' quality of life and make continuation of chemotherapy difficult. Anorexia is a cause of concern for patients with cancer because a persistent loss of appetite progresses to cancer cachexia. Although evidence-based management for chemotherapy has recently been established, there is room for improvement...
October 18, 2017: Trials
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