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https://www.readbyqxmd.com/read/28548825/nepetaefolins-a-j-cytotoxic-chinane-and-abietane-diterpenoids-from-caryopteris-nepetaefolia
#1
Cheng-Gang Zhang, Gui-Xin Chou, Xu-Dong Mao, Qing-Shan Yang, Jian-Li Zhou
Nepetaefolins A-J (1-10) and seven known compounds were isolated from the whole plant of Caryopteris nepetaefolia. The absolute configurations of 1-3 were determined from single-crystal X-ray diffraction and spectroscopic data. Compounds 6 and 7, with IC50 values of 6.3-9.0 μM, showed higher cytotoxicity than paclitaxel in one non-small-cell lung cancer, patient-derived xenograft (PDX) model when tested using PDX models and the adenosine triphosphate-tumor chemosensitivity assay (ATP-TCA).
May 26, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28545688/quinacrine-in-endometrial-cancer-repurposing-an-old-antimalarial-drug
#2
Eleftheria Kalogera, Debarshi Roy, Ashwani Khurana, Susmita Mondal, Amy L Weaver, Xiaoping He, Sean C Dowdy, Viji Shridhar
OBJECTIVE: Generate preclinical data on the effect of quinacrine (QC) in inhibiting tumorigenesis in endometrial cancer (EC) in vitro and explore its role as an adjunct to standard chemotherapy in an EC mouse model. METHODS: Five different EC cell lines (Ishikawa, Hec-1B, KLE, ARK-2, and SPEC-2) representing different histologies, grades of EC, sensitivity to cisplatin and p53 status were used for the in vitro studies. MTT and colony formation assays were used to examine QC's ability to inhibit cell viability in vitro...
May 22, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28544287/fast-clearable-nanocarriers-conducting-chemo-photothermal-combination-therapy-to-inhibit-recurrence-of-malignant-tumors
#3
Lingzhi Zhao, Wei Yuan, Huijun Phoebe Tham, Hongzhong Chen, Pengyao Xing, Huijing Xiang, Xin Yao, Xiaochen Qiu, Yu Dai, Liangliang Zhu, Fuyou Li, Yanli Zhao
Inhomogeneous heating by photothermal therapy (PTT) during cancer treatment often results in the recurrence of tumors. Thus, integrating PTT with chemotherapy (CHT) may provide a complementary treatment for enhanced therapeutic efficiency. Herein, this study develops a hollow structured polymer-silica nanohybrid (HPSN) as a nanocarrier to simultaneously deliver the anticancer drug paclitaxel and photothermal agent palladium phthalocyanine to tumors through enhanced permeation and the retention effect. A combinational CHT/PTT therapy on mice bearing aggressive tumor grafts is conducted...
May 24, 2017: Small
https://www.readbyqxmd.com/read/28541685/discovery-of-1-4-benzodiazepine-2-5-dione-bzd-derivatives-as-dual-nucleotide-binding-oligomerization-domain-containing-1-2-nod1-nod2-antagonists-sensitizing-paclitaxel-ptx-to-suppress-lewis-lung-carcinoma-llc-growth-in-vivo
#4
Suhua Wang, Jingshu Yang, Xueyuan Li, Zijie Liu, Youzhen Wu, Guangxu Si, Yiran Tao, Nan Zhao, Xiao Hu, Yao Ma, Gang Liu
Nucleotide-binding oligomerization domain-like receptors (NLRs) are intracellular sensors of pathogen-associated molecular patterns (PAMPs) and damage-associated molecular patterns (DAMPs). Previously, we reported nucleotide-binding oligomerization domain-containing protein 1 (NOD1) antagonists (11, 12) and a NOD2 antagonist (9) that sensitized docetaxel (DTX) or paclitaxel (PTX) treatment for breast or lung cancer. In this article, we describe for the first time a 1,4-benzodiazepine-2,5-dione (BZD) derivative (26bh) that acts as a dual NOD1/NOD2 antagonist and inhibits both nuclear factor κB (NF-κB) and mitogen-activated protein kinase (MAPK) inflammatory signaling, thereby adjuvanting PTX to suppress Lewis lung carcinoma (LLC) growth...
May 25, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28540790/hyperthermic-chemotherapy-intra-abdominal-laparoscopic-approach-development-of-a-laparoscopic-model-using-co2-recirculation-system-and-clinical-translation-in-peritoneal-carcinomatosis
#5
Susana Sánchez-García, David Padilla-Valverde, Pedro Villarejo-Campos, Esther P García-Santos, Jesús Martín-Fernández
INTRODUCTION: Hyperthermic intraperitoneal chemotherapy (HIPEC) is an effective treatment for peritoneal carcinomatosis (PC). Laparoscopic surgery is performed in the treatment of colorectal and appendiceal cancer, and PC from diverse origin in selected patients. HIPEC management by laparoscopic approach after cytoreductive surgery (CRS) completed locoregional treatment of PC, and may be feasible and safe after appropriate patient selection. OBJECTIVE: Development of an experimental model of HIPEC by laparoscopic approach, with CO2 recirculation...
April 2, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28540720/specifically-increased-paclitaxel-release-in-tumor-and-synergetic-therapy-by-a-hyaluronic-acid-tocopherol-nanomicelle
#6
Hanbo Zhang, Wei Li, Xiaomeng Guo, Fenfen Kong, Zuhua Wang, Chunqi Zhu, Lihua Luo, Qingpo Li, Jie Yang, Yongzhong Du, Jian You
Recently, interest in tumor-targeting and site-specific drug release from nanoparticles as a means of drug delivery has increased. In this study, we reported on a smart nanosized micelle formed by hyaluronic acid (HA) conjugated with D-α-Tocopherol Succinate (TOS) using a disulfide bond as the linker (HA-SS-TOS, HSST). HSST micelles can specifically bind to the CD44 receptors that are overexpressed on cancer cells. The high levels of glutathione (GSH) in tumor cells selectively break the disulfide bond linker...
May 25, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28539464/phase-ib-pilot-study-to-evaluate-reparixin-in-combination-with-weekly-paclitaxel-in-patients-with-her-2-negative-metastatic-breast-cancer-mbc
#7
Anne F Schott, Lori Goldstein, Massimo Cristofanilli, Pier Adelchi Ruffini, Susan McCanna, James M Reuben, Raymond Perez, Giraldo Kato, Max S Wicha
CXCR1 is recognized as an actionable receptor selectively expressed by breast cancer stem cells (BCSC). Reparixin is an investigational allosteric inhibitor of chemokine receptors 1 and 2 (CXCR1/2), and demonstrates activity against BCSC in human breast cancer xenografts. This Phase Ib clinical trial examined dose, safety, and pharmacokinetics of paclitaxel plus reparixin therapy, and explored effects of reparixin on BCSCs in metastatic breast cancer (MBC) patients (Trial registration ID: NCT02001974). <p>Experimental Design: Eligible patients had MBC and were candidates for paclitaxel therapy...
May 24, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28538405/marked-response-to-nab-paclitaxel-in-egfr-mutated-lung-neuroendocrine-carcinoma-a-case-report
#8
Jin-Yan Liang, Fan Tong, Fei-Fei Gu, Yang-Yang Liu, Yu-Lan Zeng, Xiao-Hua Hong, Kai Zhang, Li Liu
RATIONALE: Lung cancer is the leading cause of cancer-related death in the world. Tyrosine kinase inhibitors (TKIs), which target mutated epidermal growth factor receptor (EGFR), have been the first-line treatment of late-stage lung adenocarcinoma harboring EGFR mutation. EGFR mutations are mostly identified in lung adenocarcinoma. However, it is rarely seen in lung neuroendocrine carcinoma, and treatment strategies remain under reported. PATIENT CONCERNS: Here, we describe a 54-year-old Chinese man diagnosed with lung adenocarcinoma (cT4N3M1b, stage IV) with neuroendocrine differentiation and L858R mutation on exon 21...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28538017/feasibility-study-of-adjuvant-chemotherapy-with-modified-weekly-nab-paclitaxel-and-carboplatin-for-completely-resected-non-small-cell-lung-cancer-fast-nab
#9
Hisashi Saji, Hideki Marushima, Tomoyuki Miyazawa, Hiroki Sakai, Hiroyuki Kimura, Noriaki Kurimoto, Haruhiko Nakamura
The aim of this study was to determine the feasibility of adjuvant administration of nab-paclitaxel (nab-P) plus carboplatin and for completely resected patients with stage IB, II, and IIIA non-small-cell lung cancer (NSCLC) (FAST-nab study, UMIN000011225). Twenty-nine eligible NSCLC patients received surgical resection for pathological stage IB, II, or IIIA, followed by postoperative adjuvant chemotherapy with modified 3-week cycles of either nab-P (100 mg/m) on days 1 and 8, followed by carboplatin area (area under the curve=6) on day 1...
May 19, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28536494/adjuvant-chemotherapy-with-paclitaxel-and-cisplatin-in-lymph-node-positive-thoracic-esophageal-squamous-cell-carcinoma
#10
Liangze Zhang, Weiwei Li, Xiao Lyu, Yan Song, Yousheng Mao, Shaoming Wang, Jing Huang
OBJECTIVE: No standard postoperative adjuvant chemotherapy has ever been established in node-positive esophageal squamous cell carcinoma (ESCC). This is a study to explore the effect of postoperative paclitaxel (PTX) and cisplatin (DDP) in lymph node-positive, completely resected thoracic ESCC patients. METHODS: We conducted a prospective phase II trial. Patients had pathologically node-positive thoracic ESCC with negative margins. Outcomes of disease-free survival (DFS) and overall survival (OS) were compared with a matched historical control cohort...
April 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28535975/novel-poly-diol-sebacate-s-as-additives-to-modify-paclitaxel-release-from-poly-lactic-co-glycolic-acid-thin-films
#11
Lucila Navarro, Diana-Elena Mogosanu, Natalia Ceaglio, Julio Luna, Peter Dubruel, Ignacio Rintoul
Paclitaxel (PTX) incorporation in poly (lactic acid-co-glycolic acid) (PLGA) matrices produce films with high tensile rigidity and slow release that fail to deliver the required release rate for most biomedical applications such as in drug eluting stents and cancer treatments. To modify and improve this behavior, a set of poly (diol sebacate)s were synthesized and fully characterized as possible additives. The tensile properties of PLGA blends were evaluated as these materials could be used as coatings in drug eluting stent applications...
May 20, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28534954/uncaria-alkaloids-reverse-abcb1-mediated-cancer-multidrug-resistance
#12
Bao-Yuan Huang, Yu Zeng, Ying-Jie Li, Xiao-Jun Huang, Nan Hu, Nan Yao, Min-Feng Chen, Zai-Gang Yang, Zhe-Sheng Chen, Dong-Mei Zhang, Chang-Qing Zeng
The overexpression of ATP-binding cassette (ABC) transporters is the main cause of cancer multidrug resistance (MDR), which leads to chemotherapy failure. Uncaria alkaloids are the major active components isolated from uncaria, which is a common Chinese herbal medicine. In this study, the MDR-reversal activities of uncaria alkaloids, including rhynchophylline, isorhynchophylline, corynoxeine, isocorynoxeine (Icory), hirsutine and hirsuteine, were screened; they all exhibited potent reversal efficacy when combined with doxorubicin...
May 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28534355/in-vitro-antiproliferative-effects-of-nab-paclitaxel-with-liposomal-cisplatin-on-mda-mb-231-and-mcf-7-breast-cancer-cell-lines
#13
Idil Cetin, Mehmet R Topcul
PURPOSE: In this study, the in vitro cytotoxic effect of nanotechnological drugs nab-paclitaxel and liposomal cisplatin combination was evaluated on MDA-MB-231 and MCF-7 breast cancer cell lines. METHODS: For this purpose cell viability, cell index values obtained from xCELLigence RTCA (Real-Time Cell Analysis) DP instrument, mitotic index (MI), apoptotic index (AI) and labelling index (LI) analysis among cell kinetic parameters were used. A1L25: 1 μg/ml nab-paclitaxel+25 μg/ml liposomal cisplatin, A1L5: 1 μg/ml nab-paclitaxel+5 μg/ml liposomal cisplatin and A10L5: 10 μg/ml nab-paclitaxel+5 μg/ml liposomal cisplatin for MDA-MB-231 cell line and A1L5: 1 μg/ml nab-paclitaxel+5 μg/ml liposomal cisplatin, A1L10: 1 μg/ml nab-paclitaxel+10 μg/ml liposomal cisplatin and A5L1: 5 μg/ml nab-paclitaxel+1 μg/ml liposomal cisplatin doses for MCF-7 were applied for 24-72 hrs...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28534351/the-short-term-safety-of-adjuvant-paclitaxel-plus-trastuzumab-a-single-centre-experience
#14
Ozturk Ates, Veli Sunar, Alma Aslan, Fatih Karatas, Suleyman Sahin, Kadri Altundag
PURPOSE: HER2-amplified breast cancer (BC) has a poor prognosis. The combination of trastuzumab with chemotherapy in the adjuvant setting decreases recurrence and improves overall survival in HER2-positive BC. However, the role of adjuvant treatment in patients with HER2-amplified small BC without lymph node involvement is still under debate. The purpose of this study was to investigate the safety of adjuvant paclitaxel and trastuzumab (APT) in this group of patients. METHODS: A total of 87 operated early BC patients without lymph node involvement (N0) were treated with APT for 12 weeks followed by trastuzumab alone for a total of 9 months...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28533610/effects-of-transcutaneous-electrical-nerve-stimulation-on-chemotherapy-induced-peripheral-neuropathy-symptoms-cipn-a-preliminary-case-control-study
#15
Tania Tonezzer, Leonardo Affonso Massabki Caffaro, Katiuscia Rosette Scasni Menon, Fabíola Cristina Brandini da Silva, Christina May Moran de Brito, Almir José Sarri, Raquel Aparecida Casarotto
[Purpose] The aim of this double-blind, randomized and placebo-controlled study is to investigate the effects of Transcutaneous Electrical Nerve Stimulation for reducing the side effects of Chemotherapy-induced Peripheral Neuropathy in cancer patients undergoing chemotherapy with oxaloplatin or paclitaxel. [Subjects and Methods] Twenty-four patients were randomly allocated into two groups: active or placebo stimulation. All patients were assessed for pain, numbness/tingiling, frequency of symptoms, and quality of life...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28532857/high-stathmin-expression-is-a-marker-for-poor-clinical-outcome-in-endometrial-cancer-an-nrg-oncology-group-gynecologic-oncology-group-study
#16
Henry D Reyes, Jeffrey Miecznikowski, Jesus Gonzalez-Bosquet, Eric J Devor, Yuping Zhang, Kristina W Thiel, Megan I Samuelson, Megan McDonald, Jean-Marie Stephan, Parviz Hanjani, Saketh Guntupalli, Krishnansu S Tewari, Floor Backes, Nilsa Ramirez, Gini F Fleming, Virginia Filiaci, Michael J Birrer, Kimberly K Leslie
OBJECTIVE: Gynecologic Oncology Group (GOG) 177 demonstrated that addition of paclitaxel to a backbone of adriamycin/cisplatin improves overall survival (OS) and progression-free survival (PFS) for patients with advanced or recurrent endometrial cancer. Using patient specimens from GOG-177, our objective was to identify potential mechanisms underlying the improved clinical response to taxanes. Stathmin (STMN1) is a recognized poor prognostic marker in endometrial cancer that functions as a microtubule depolymerizing protein, allowing cells to transit rapidly through mitosis...
May 19, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28532129/-131-i-traced-plga-lipid-nanoparticles-as-drug-delivery-carriers-for-the-targeted-chemotherapeutic-treatment-of-melanoma
#17
Haiyan Wang, Weizhong Sheng
Herein, folic acid (FA) conjugated Poly(d,l-lactide-co-glycolide) (PLGA)-lipid composites (FA-PL) were developed as nanocarriers for the targeted delivery of insoluble anti-cancer drug paclitaxel (PTX), resulting FA-PLP nanoparticles. Furthermore, (131)I, as a radioactive tracer, was used to label FA-PLP nanoparticles (FA-PLP-(131)I) to evaluate their cell uptake activity, in vivo blood circulation, and biodistribution. The FA-PLP-(131)I nanoparticles had a spherical morphology with great stability, a narrow size distribution (165...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28531834/bioelectrical-impedimetric-sensor-for-single-cell-analysis-based-on-nanoroughened-quartz-substrate-suitable-for-cancer-therapeutic-purposes
#18
Milad Gharooni, Mohammad Abdolahad
Single cells analysis has been interested in recent decade. Apart from scientific benefits to achieve new biological phenomena in cell study, many diagnostic and therapeutic protocols in non-communicable diseases were introduced by single cell analysis. Moreover, non-invasive methods to maintain the investigated cell for time dependent monitoring has been widely studied because of its importance in some crucial cases such as drug resistance in cancer. Bioelectrical monitoring is one of such methods Although the procedures reported based on electrical probing might not induce cell disruption, indirect connection between recording electrodes and cell membrane (mostly in microfluidic approaches) reduced the quality of response and limited the precision of the results...
May 15, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28529750/phase-i-study-of-weekly-palliative-chemotherapy-with-low-dose-third-line-paclitaxel-for-biliary-tract-cancer
#19
Hidehiro Tajima, Tetsuo Ohta, Hiroyuki Shinbashi, Atsushi Hirose, Mitsuyoshi Okazaki, Takahisa Yamaguchi, Yoshinao Ohbatake, Koichi Okamoto, Shinichi Nakanuma, Seisho Sakai, Jun Kinoshita, Isamu Makino, Keishi Nakamura, Hironori Hayashi, Katsunobu Oyama, Masafumi Inokuchi, Tomoharu Miyashita, Hiroyuki Takamura, Itasu Ninomiya, Sachio Fushida, Hiroyuki Nakamura
The prognosis of patients with unresectable and recurrent biliary tract cancer (BTC) is very poor. Although gemcitabine (GEM) plus cisplatin therapy is useful for unresectable cases, the median overall survival (OS) of the patients is <1 year, and third-line chemotherapy following failure of 5-fluorouracil (5-FU) and GEM plus cisplatin is currently unavailable. The clinical efficacy and basic effects of low-dose paclitaxel (PTX) therapy for patients with BTC was previously reported. We herein present the results of a phase I clinical trial of weekly low-dose PTX as third-line palliative chemotherapy...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28529482/mode-of-action-analyses-of-neferine-a-bisbenzylisoquinoline-alkaloid-of-lotus-nelumbo-nucifera-against-multidrug-resistant-tumor-cells
#20
Onat Kadioglu, Betty Y K Law, Simon W F Mok, Su-Wei Xu, Thomas Efferth, Vincent K W Wong
Neferine, a bisbenzylisoquinoline alkaloid isolated from the green seed embryos of Lotus (Nelumbo nucifera Gaertn), has been previously shown to have various anti-cancer effects. In the present study, we evaluated the effect of neferine in terms of P-glycoprotein (P-gp) inhibition via in vitro cytotoxicity assays, R123 uptake assays in drug-resistant cancer cells, in silico molecular docking analysis on human P-gp and in silico absorption, distribution, metabolism, and excretion (ADME), quantitative structure activity relationships (QSAR) and toxicity analyses...
2017: Frontiers in Pharmacology
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