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https://www.readbyqxmd.com/read/29048653/ribosomal-protein-s3-regulates-xiap-expression-independently-of-the-nf-%C3%AE%C2%BAb-pathway-in-breast-cancer-cells
#1
Hisako Ono, Yosuke Iizumi, Wakana Goi, Yoshihiro Sowa, Tetsuya Taguchi, Toshiyuki Sakai
The X-linked inhibitor of apoptosis (XIAP) confers the resistance of various types of cancer to standard chemotherapeutic agents such as anthracycline and taxane. In breast cancer, XIAP is known to be overexpressed. However, the mechanisms underlying the overexpression of XIAP remain currently unclear. In order to elucidate the mechanisms responsible for the overexpression of the XIAP protein in breast cancer, we attempted to clarify the mechanisms by which the natural compound curcumin downregulates XIAP in breast cancer cells...
September 27, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29047188/the-predictive-value-of-brca1-2-mrna-expression-for-response-to-neoadjuvant-chemotherapy-in-brca-negative-breast-cancers
#2
Ye Xu, Tao Ouyang, Jinfeng Li, Tianfeng Wang, Zhaoqing Fan, Tie Fan, Benyao Lin, Yuntao Xie
It is well known that BRCA1 and BRCA2 play a central role in DNA repair, but the relationship between BRCA1 and BRCA2 mRNA expression and response to neoadjuvant chemotherapy in sporadic breast cancer patients has not been well established. Here, we investigate the association between BRCA1 or BRCA2 mRNA expression levels and pathological response in 674 BRCA1/2 mutation-negative breast cancer patients who received neoadjuvant chemotherapy. BRCA1and BRCA2 mRNA expression were assessed using quantitative real-time polymerase chain reaction in core biopsy breast cancer tissue obtained prior to the initiation of neoadjuvant chemotherapy...
October 19, 2017: Cancer Science
https://www.readbyqxmd.com/read/29045523/the-evolution-of-chemotherapy-for-the-treatment-of-prostate-cancer
#3
D I Quinn, H M Sandler, L G Horvath, A Goldkorn, J A Eastham
Chemotherapy has been explored as a treatment option for metastatic prostate cancer since the early 1980s. Docetaxel, a taxane chemotherapeutic, was approved for the treatment of men with metastatic castration-resistant prostate cancer in 2004, and is now standard of care for late stage disease. Recent clinical studies demonstrated that patients with metastatic castration-sensitive disease, and possibly those with high-risk localized prostate cancer also benefit from docetaxel administration, expanding the role of chemotherapy in the prostate cancer treatment landscape...
July 16, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29043567/impact-of-adverse-events-on-health-utility-and-health-related-quality-of-life-in-patients-receiving-first-line-chemotherapy-for-metastatic-breast-cancer-results-from-the-select-bc-study
#4
Yasuhiro Hagiwara, Takeru Shiroiwa, Kojiro Shimozuma, Takuya Kawahara, Yukari Uemura, Takanori Watanabe, Naruto Taira, Takashi Fukuda, Yasuo Ohashi, Hirofumi Mukai
OBJECTIVE: The aim of this study was to investigate the impact of adverse events (AEs) on health utility and health-related quality of life (HRQOL) in patients with metastatic breast cancer undergoing first-line chemotherapy. METHODS: We analyzed the data from the SELECT BC study, a multicenter, open-label, randomized, phase III study conducted in Japan, which compared first-line S-1 with taxane therapies. Heath utility and HRQOL were assessed using the EQ-5D-3L and European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30) at baseline and 3, 6, and 12 months after treatment initiation...
October 17, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/29042416/nicotine-prevents-and-reverses-paclitaxel-induced-mechanical-allodynia-in-a-mouse-model-of-cipn
#5
S Lauren Kyte, Wisam Toma, Deniz Bagdas, Julie A Meade, Lesley D Schurman, Aron H Lichtman, Zhi-Jian Chen, Egidio Del Fabbro, Xianjun Fang, John W Bigbee, M Imad Damaj, David A Gewirtz
Chemotherapy-induced peripheral neuropathy (CIPN), a consequence of peripheral nerve fiber dysfunction or degeneration, continues to be a dose-limiting and debilitating side effect during and/or after cancer chemotherapy. Paclitaxel, a taxane commonly used to treat breast, lung, and ovarian cancers, causes CIPN in 59-78% of cancer patients. Novel interventions are needed due to the current lack of effective CIPN treatments. Our studies were designed to investigate if nicotine can prevent and/or reverse paclitaxel-induced peripheral neuropathy in a mouse model of CIPN, while ensuring that nicotine will not stimulate lung tumor cell proliferation or interfere with the anti-tumor properties of paclitaxel...
October 17, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29041009/fcgr2a-and-fcgr3a-genotypes-correlate-with-farletuzumab-response-in-patients-with-first-relapsed-ovarian-cancer-exhibiting-low-ca125
#6
Wenquan Wang, Elizabeth B Somers, Erin N Ross, J Bradford Kline, Daniel J O'Shannessy, Charles Schweizer, Susan Weil, Luigi Grasso, Nicholas C Nicolaides
Farletuzumab is a humanized monoclonal antibody that binds to folate receptor alpha and elicits an anti-tumor response via immune effector activity. Recent studies from a global phase 3 trial in ovarian cancer patients treated with carboplatin/taxane plus farletuzumab found that the tumor-produced CA125 protein can suppress farletuzumab function via perturbing its engagement to the activating Fc-γ receptors CD32a (FCGR2A) and CD16a (FCGR3A). Previous reports have indicated that naturally occurring polymorphisms in both of these receptors may play a role in their ability to engage therapeutic antibodies and elicit an optimal immune response via antibody-dependent cellular cytotoxicity (ADCC)...
October 18, 2017: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/29037469/management-of-patients-with-adenocarcinoma-or-squamous-cancer-of-the-esophagus
#7
David H Ilson, Richard Hillegersberg
Esophageal cancer is characterized by the early and frequent metastasis. Surgery is the primary treatment for early-stage disease, whereas patients with patients with locally advanced disease receive peri-operative chemotherapy or chemoradiotherapy. Squamous cancers can be treated with primary chemoradiotherapy without surgery, depending on their response to therapy and patient tolerance for subsequent surgery. Chemotherapy with a fluorinated pyrimidine and a platinum agent, followed by later treatment with taxanes and irinotecan, provides some benefit...
October 13, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29023132/zampanolide-binding-to-tubulin-indicates-cross-talk-of-taxane-site-with-colchicine-and-nucleotide-sites
#8
Jessica J Field, Benet Pera, Juan Estévez Gallego, Enrique Calvo, Javier Rodríguez-Salarichs, Gonzalo Sáez-Calvo, Didier Zuwerra, Michel Jordi, José M Andreu, Andrea E Prota, Grégory Ménchon, John H Miller, Karl-Heinz Altmann, J Fernando Díaz
The marine natural product zampanolide and analogues thereof constitute a new chemotype of taxoid site microtubule-stabilizing agents with a covalent mechanism of action. Zampanolide-ligated tubulin has the switch-activation loop (M-loop) in the assembly prone form and, thus, represents an assembly activated state of the protein. In this study, we have characterized the biochemical properties of the covalently modified, activated tubulin dimer, and we have determined the effect of zampanolide on tubulin association and the binding of tubulin ligands at other binding sites...
October 12, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/29022485/prevalence-of-%C3%AE-iii-tubulin-tubb3-expression-in-human-normal-tissues-and-cancers
#9
Fermín Person, Waldemar Wilczak, Claudia Hube-Magg, Christoph Burdelski, Christina Möller-Koop, Ronald Simon, Mercedes Noriega, Guido Sauter, Stefan Steurer, Susanne Burdak-Rothkamm, Frank Jacobsen
Microtubules are multifunctional cytoskeletal proteins that are involved in crucial cellular roles including maintenance of cell shape, intracellular transport, meiosis, and mitosis. Class III beta-tubulin (βIII-tubulin, also known as TUBB3) is a microtubule protein, normally expressed in cells of neuronal origin. Its expression was also reported in various other tumor types, such as several types of lung cancer, ovarian cancer, and esophageal cancer. TUBB3 is of clinical relevance as overexpression has been linked to poor response to microtubule-targeting anti-cancer drugs such as taxanes...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29022084/exposure-response-analyses-of-trastuzumab-emtansine-in-patients-with-her2-positive-advanced-breast-cancer-previously-treated-with-trastuzumab-and-a-taxane
#10
Chunze Li, Bei Wang, Shang-Chiung Chen, Russell Wada, Dan Lu, Xin Wang, Daniel Polhamus, Jonathan French, Shweta Vadhavkar, Alexander Strasak, Melanie Smitt, Amita Joshi, Meghna Samant, Angelica Quartino, Jin Jin, Sandhya Girish
PURPOSE: In the phase III EMILIA study, trastuzumab emtansine (T-DM1) significantly improved progression-free survival (PFS) and overall survival (OS) versus capecitabine plus lapatinib (control) in previously treated human epidermal growth factor receptor 2-positive advanced breast cancer. Using EMILIA data, we evaluated the T-DM1 exposure-response relationship. METHODS: Exposure-response relationships were examined with four exposure metrics [model-predicted and observed minimum concentration (C min) and area under the concentration-time curve from time zero to day 21 of T-DM1 at cycle 1] and multiple efficacy (OS, PFS, objective response rate) and safety (grade ≥ 3 adverse events, grade ≥ 3 thrombocytopenia, grade ≥ 3 hepatotoxicity) endpoints...
October 11, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29017913/the-use-of-natural-compounds-for-the-targeting-and-chemoprevention-of-ovarian-cancer
#11
Francesca Pistollato, Ruben Calderón Iglesias, Roberto Ruiz, Silvia Aparicio, Jorge Crespo, Luis Dzul Lopez, Francesca Giampieri, Maurizio Battino
Among gynaecological cancers, ovarian cancer represents the leading cause of death in women. Current treatment for ovarian cancer entails surgery followed by combined chemotherapy with platinum and taxane, which are associated, particularly cisplatin, with severe side effects. While this treatment approach appears to be initially effective in a high number of patients, nearly 70% of them suffer a relapse within a few months after initial treatment. Therefore, more effective and better-tolerated treatment options are clearly needed...
October 7, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29017056/mitotic-spindle-assembly-and-genomic-stability-in-breast-cancer-require-pi3k-c2%C3%AE-scaffolding-function
#12
Federico Gulluni, Miriam Martini, Maria Chiara De Santis, Carlo Cosimo Campa, Alessandra Ghigo, Jean Piero Margaria, Elisa Ciraolo, Irene Franco, Ugo Ala, Laura Annaratone, Davide Disalvatore, Giovanni Bertalot, Giuseppe Viale, Anna Noatynska, Mara Compagno, Sara Sigismund, Filippo Montemurro, Marcus Thelen, Fan Fan, Patrick Meraldi, Caterina Marchiò, Salvatore Pece, Anna Sapino, Roberto Chiarle, Pier Paolo Di Fiore, Emilio Hirsch
Proper organization of the mitotic spindle is key to genetic stability, but molecular components of inter-microtubule bridges that crosslink kinetochore fibers (K-fibers) are still largely unknown. Here we identify a kinase-independent function of class II phosphoinositide 3-OH kinase α (PI3K-C2α) acting as limiting scaffold protein organizing clathrin and TACC3 complex crosslinking K-fibers. Downregulation of PI3K-C2α causes spindle alterations, delayed anaphase onset, and aneuploidy, indicating that PI3K-C2α expression is required for genomic stability...
October 9, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28993056/role-of-18-f-pet-ct-in-predicting-prognosis-of-patients-with-breast-cancer-after-neoadjuvant-chemotherapy
#13
Etsushi Akimoto, Takayuki Kadoya, Keiko Kajitani, Akiko Emi, Hideo Shigematsu, Masahiro Ohara, Norio Masumoto, Morihito Okada
BACKGROUND: Breast cancer can be assessed preoperatively and postoperatively using (18)F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT). We prospectively analyzed the maximum baseline standardized uptake value (SUVmax) derived from FDG PET/CT to predict the outcomes after neoadjuvant chemotherapy (NAC) for breast cancer. PATIENTS AND METHODS: We assessed 130 consecutive female patients with primary breast cancer (mean age, 53...
September 19, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28991039/heavy-load-lifting-acute-response-in-breast-cancer-survivors-at-risk-for-lymphedema
#14
Kira Bloomquist, Peter Oturai, Megan L Steele, Lis Adamsen, Tom Møller, Karl Bang Christensen, Bent Ejlertsen, Sandra C Hayes
PURPOSE: Despite a paucity of evidence, prevention guidelines typically advise avoidance of heavy lifting in an effort to protect against breast cancer-related lymphedema. This study compared acute responses in arm swelling and related symptoms after low- and heavy-load resistance exercise among women at risk of lymphedema while receiving adjuvant taxane-based chemotherapy. METHODS: This is a randomized, cross-over equivalence trial. Women receiving adjuvant taxane-based chemotherapy for breast cancer who had undergone axillary lymph node dissection (n=21) participated in low- (60-65% 1 repetition maximum (RM), two sets of 15-20 repetitions) and heavy-load (85-90% 1RM, three sets of 5-8 repetition) upper-extremity resistance exercise separated by a one-week wash-out period...
October 4, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28985439/identification-of-potential-genes-that-contributed-to-the-variation-in-the-taxoid-contents-between-two-taxus-species-taxus-media-and-taxus-mairei
#15
Chunna Yu, Hong Guo, Yangyang Zhang, Yaobin Song, Erxu Pi, Chenliang Yu, Lei Zhang, Ming Dong, Bingsong Zheng, Huizhong Wang, Chenjia Shen, Chung-Jui Tsai
Taxol is currently a valuable anticancer drug; however, the accumulated mixture of taxoids can vary greatly among Taxus species. So far, there is very little genomic information for the genus Taxus, except for Taxus baccata. Transcriptome analysis is a powerful approach to explore the different regulatory mechanisms underlying the taxoid biosynthesis pathway in Taxus species. First, we quantified the variation in the taxoid contents between Taxus media and Taxus mairei. The contents of paclitaxel and 10-deacetylpaclitaxel in T...
July 17, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28982882/vinorelbine-plus-gemcitabine-or-cisplatin-as-first-line-treatment-of-her2-negative-advanced-breast-cancer
#16
RANDOMIZED CONTROLLED TRIAL
Kewen He, Xinzhao Wang, Xiyun Guan, Qian Yu, Qinghua Ma, Zhaoyun Liu, Zhiyong Yu
AIM: To evaluate the efficacy and toxicity of vinorelbine and gemcitabine (NG) versus vinorelbine and cisplatin (NP) in anthracycline- and taxane-pretreated patients with HER2-negative advanced breast cancer. PATIENTS AND METHODS: Patients were randomly assigned on a 1:1 schedule to receive no more than six cycles of NG or NP. Dosing for the NG group was 25 mg/m(2) vinorelbine and 1,000 mg/m(2) gemcitabine, given on days 1 and 8 every 3 weeks; for the NP group,25 mg/m(2) vinorelbine was given on days 1 and 8, and 75 mg/m(2) cisplatin was given on day 1 every 3 weeks...
October 2017: Anticancer Research
https://www.readbyqxmd.com/read/28977948/meta-analysis-comparing-the-efficacy-of-nedaplatin-based-regimens-between-squamous-cell-and-non-squamous-cell-lung-cancers
#17
Yijun Tian, Qian Liu, Kongju Wu, Qian Chu, Yuan Chen, Kongming Wu
Non-small cell lung cancer (NSCLC) consists of several subtypes, including adenocarcinoma, squamous cell lung cancer, large cell lung cancer, and other rarer types. Platinum-based regimens are currently the standard for treatment of advanced NSCLC. Nedaplatin is reportedly associated with a high response rate in squamous cell lung cancer. However, the relevant studies are small and mainly descriptive. The purpose of this meta-analysis was therefore to compare the efficacy of nedaplatin in squamous cell lung cancer with that in non-squamous cell lung cancer...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28977941/ccne1-expression-in-high-grade-serous-carcinoma-does-not-correlate-with-chemoresistance
#18
Stav Sapoznik, Sarit Aviel-Ronen, Keren Bahar-Shany, Oranit Zadok, Keren Levanon
Delayed diagnosis of ovarian cancer, as well as high recurrence rates and lack of personalized therapy options, are among the causes for poor survival figures. Much effort is made towards developing new therapeutic possibilities, however predictive biomarkers are still unavailable. CCNE1 amplification, occurring in ∼20% of the high grade serous ovarian tumors, was previously proposed as a marker for platinum resistance and poor prognosis as well as for CDK2 inhibition. The current study aimed to examine the role of CCNE1 positive-immunostain as a predictor of first-line taxane-platinum chemoresistance...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28977932/inhibitor-of-h3k27-demethylase-jmjd3-utx-gsk-j4-is-a-potential-therapeutic-option-for-castration-resistant-prostate-cancer
#19
Viacheslav M Morozov, Ying Li, Matthew M Clowers, Alexander M Ishov
Androgen receptor (AR) mediates initiation and progression of prostate cancer (PCa); AR-driven transcription is activated by binding of androgens to the ligand-binding domain (LBD) of AR. Androgen ablation therapy offers only a temporary relief of locally advanced and metastatic PCa, and the disease eventually recurs as a lethal castration-resistant PCa (CRPC) as there is no effective treatment for CRPC patients. Thus, it is critical to identify novel targeted and combinatorial regimens for clinical management of CRPC...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28965634/management-of-hypersensitivity-reactions-to-taxanes
#20
REVIEW
Matthieu Picard
Taxanes are an important class of antineoplastic agents used in the treatment of a wide variety of cancers. However, paclitaxel and docetaxel, which are the most commonly used taxanes, elicit immediate hypersensitivity reactions (HSRs) in 5% to 10% of patients. Almost all patients that experience these reactions can be safely re-exposed to taxanes either through desensitization or challenge. This article describes the clinical presentation, diagnosis, and management of HSRs to taxanes and discusses the different options for their safe readministration...
November 2017: Immunology and Allergy Clinics of North America
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