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Cancer therapy

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https://www.readbyqxmd.com/read/27926932/epsin-family-member-3-and-ribosome-related-genes-are-associated-with-late-metastasis-in-estrogen-receptor-positive-breast-cancer-and-long-term-survival-in-non-small-cell-lung-cancer-using-a-genome-wide-identification-and-validation-strategy
#1
Birte Hellwig, Katrin Madjar, Karolina Edlund, Rosemarie Marchan, Cristina Cadenas, Anne-Sophie Heimes, Katrin Almstedt, Antje Lebrecht, Isabel Sicking, Marco J Battista, Patrick Micke, Marcus Schmidt, Jan G Hengstler, Jörg Rahnenführer
BACKGROUND: In breast cancer, gene signatures that predict the risk of metastasis after surgical tumor resection are mainly indicative of early events. The purpose of this study was to identify genes linked to metastatic recurrence more than three years after surgery. METHODS: Affymetrix HG U133A and Plus 2.0 array datasets with information on metastasis-free, disease-free or overall survival were accessed via public repositories. Time restricted Cox regression models were used to identify genes associated with metastasis during or after the first three years post-surgery (early- and late-type genes)...
2016: PloS One
https://www.readbyqxmd.com/read/27926855/temporally-programmed-cd8%C3%AE-dc-activation-enhances-combination-cancer-immunotherapy
#2
Alice Tzeng, Monique J Kauke, Eric F Zhu, Kelly D Moynihan, Cary F Opel, Nicole J Yang, Naveen Mehta, Ryan L Kelly, Gregory L Szeto, Willem W Overwijk, Darrell J Irvine, K Dane Wittrup
Numerous synergistic cancer immunotherapy combinations have been identified, but the effects of relative dose timing are rarely considered. In established syngeneic mouse tumor models, we found that staggering interferon-α (IFNα) administration after, rather than before or simultaneously with, serum-persistent interleukin-2 (IL-2) and tumor-specific antibody significantly increased long-term survival. Successful combination therapy required IFNα-induced activation of cross-presenting CD8α(+) dendritic cells (DCs) following the release of antigenic tumor debris by the IL-2- and antibody-mediated immune response...
December 6, 2016: Cell Reports
https://www.readbyqxmd.com/read/27926828/harnessing-cancer-cell-metabolism-for-theranostic-applications-using-metabolic-glycoengineering-of-sialic-acid-in-breast-cancer-as-a-pioneering-example
#3
REVIEW
Haitham A Badr, Dina M M AlSadek, Motawa E El-Houseini, Christopher T Saeui, Mohit P Mathew, Kevin J Yarema, Hafiz Ahmed
Abnormal cell surface display of sialic acids - a family of unusual 9-carbon sugars - is widely recognized as distinguishing feature of many types of cancer. Sialoglycans, however, typically cannot be identified with sufficiently high reproducibility and sensitivity to serve as clinically accepted biomarkers and similarly, almost all efforts to exploit cancer-specific differences in sialylation signatures for therapy remain in early stage development. In this report we provide an overview of important facets of glycosylation that contribute to cancer in general with a focus on breast cancer as an example of malignant disease characterized by aberrant sialylation...
November 25, 2016: Biomaterials
https://www.readbyqxmd.com/read/27926810/analysis-of-changes-in-cancer-health-care-system-in-poland-since-the-socio-economic-transformation-in-1989
#4
Dorota Dudek-Godeau, Anna Kieszkowska-Grudny, Katarzyna Kwiatkowska, Joanna Bogusz, Mirosław J Wysocki, Magdalena Bielska-Lasota
Background: The transformation period in Poland is associated with a set of factors seen as ‘socio-economic stress’, which unfavourably influenced cancer treatment and slowed down the progress of the Polish cancer care in the 90’s. These outcomes in many aspects of cancer care may be experienced till today. The results of the international EUROCARE and CONCORD studies based on European data prove evidence that there is a substantial potential for improvement of low 5-year survival rates in Poland...
2016: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/27926778/met-tyrosine-kinase-receptor-expression-and-amplification-as-prognostic-biomarkers-of-survival-in-gastroesophageal-adenocarcinoma
#5
Daniel V T Catenacci, Agnes Ang, Wei-Li Liao, Jing Shen, Emily O'Day, Robert D Loberg, Fabiola Cecchi, Todd Hembrough, Annamaria Ruzzo, Francesco Graziano
BACKGROUND: MET gene amplification and Met protein overexpression may be associated with a poor prognosis. The MET/Met status is typically determined with fluorescence in situ hybridization (FISH) and immunohistochemistry (IHC), respectively. Targeted proteomics uses mass spectrometry-based selected reaction monitoring (SRM) to accurately quantitate Met expression. FISH, IHC, and SRM analyses were compared to characterize the prognostic value of MET/Met in gastroesophageal adenocarcinoma (GEC)...
December 7, 2016: Cancer
https://www.readbyqxmd.com/read/27926736/structure-of-cc-chemokine-receptor-2-with-orthosteric-and-allosteric-antagonists
#6
Yi Zheng, Ling Qin, Natalia V Ortiz Zacarías, Henk de Vries, Gye Won Han, Martin Gustavsson, Marta Dabros, Chunxia Zhao, Robert J Cherney, Percy Carter, Dean Stamos, Ruben Abagyan, Vadim Cherezov, Raymond C Stevens, Adriaan P IJzerman, Laura H Heitman, Andrew Tebben, Irina Kufareva, Tracy M Handel
CC chemokine receptor 2 (CCR2) is one of 19 members of the chemokine receptor subfamily of human class A G-protein-coupled receptors. CCR2 is expressed on monocytes, immature dendritic cells, and T-cell subpopulations, and mediates their migration towards endogenous CC chemokine ligands such as CCL2 (ref. 1). CCR2 and its ligands are implicated in numerous inflammatory and neurodegenerative diseases including atherosclerosis, multiple sclerosis, asthma, neuropathic pain, and diabetic nephropathy, as well as cancer...
December 7, 2016: Nature
https://www.readbyqxmd.com/read/27926612/inhibitory-effect-of-a-redox-silent-analogue-of-tocotrienol-on-hypoxia-adaptation-in-prostate-cancer-cells
#7
Nobuya Shiozawa, Ryosuke Sugahara, Kozue Namiki, Chiaki Sato, Akira Ando, Ayami Sato, Nantiga Virgona, Tomohiro Yano
Prostate cancer (PCa) is one of the most common cancers in Western countries and acquires a malignant phenotype, androgen-independent growth. PCa under hypoxia often has resistance to chemotherapy and radiotherapy. However, an effective therapy against PCa under hypoxia has not yet been established. In this report, we investigated the inhibitory effect of a redox-silent analogue of tocotrienol on the survival of a human androgen-independent PCa cell line (PC3) under hypoxia. We found that the redox-silent analogue exerted a cytotoxic effect on PC3 cells in a dose-dependent manner irrespective of either hypoxia or normoxia...
December 6, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27926544/cognitive-impairment-following-hormone-therapy-current-opinion-of-research-in-breast-and-prostate-cancer-patients
#8
Lisa M Wu, Ali Amidi
PURPOSE OF REVIEW: Hormone therapy is a common cancer treatment that may be associated with numerous side and late effects, and in recent years, has been linked to changes in cognition. Here, we present the most important recent findings from empirical studies and reviews that have focused on the effects of hormone therapy on cognitive functioning in breast and prostate cancer populations, underline some general shortcomings, and propose directions for future research. RECENT FINDINGS: Recent research indicates that cognitive impairment may occur in breast and prostate cancer patients following onset of hormone therapy...
December 6, 2016: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/27926532/novel-parp1-2-inhibitor-mefuparib-hydrochloride-elicits-potent-in-vitro-and-in-vivo-anticancer-activity-characteristic-of-high-tissue-distribution
#9
Jin-Xue He, Meng Wang, Xia-Juan Huan, Chuan-Huizi Chen, Shan-Shan Song, Ying-Qing Wang, Xue-Mei Liao, Cun Tan, Qian He, Lin-Jiang Tong, Yu-Ting Wang, Xiao-Hua Li, Yi Su, Yan-Yan Shen, Yi-Ming Sun, Xin-Ying Yang, Yi Chen, Zhi-Wei Gao, Xiao-Yan Chen, Bing Xiong, Xiu-Lian Lu, Jian Ding, Chun-Hao Yang, Ze-Hong Miao
The approval of poly(ADP-ribose) polymerase (PARP) inhibitor AZD2281 in 2014 marked the successful establishment of the therapeutic strategy targeting homologous recombination repair defects of cancers in the clinic. However, AZD2281 has poor water solubility, low tissue distribution and relatively weak in vivo anticancer activity, which appears to become limiting factors for its clinical use. In this study, we found that mefuparib hydrochloride (MPH) was a potent PARP inhibitor, possessing prominent in vitro and in vivo anticancer activity...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926525/apoptosis-linked-gene-2-promotes-breast-cancer-growth-and-metastasis-by-regulating-the-cytoskeleton
#10
Juan Qin, Dengwen Li, Yunqiang Zhou, Songbo Xie, Xin Du, Ziwei Hao, Ruming Liu, Xinqi Liu, Min Liu, Jun Zhou
Breast cancer is the most prevalent cancer in women. Although it begins as local disease, breast cancer frequently metastasizes to the lymph nodes and distant organs. Therefore, novel therapeutic targets are needed for the management of this disease. Apoptosis-linked gene 2 (ALG-2) is a calcium-binding protein crucial for diverse physiological processes and has recently been implicated in cancer development. However, it remains unclear whether this protein is involved in the pathogenesis of breast cancer. Here, we demonstrate that the expression of ALG-2 is significantly upregulated in breast cancer tissues and is correlated with clinicopathological characteristics indicative of tumor malignancy...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926500/the-association-between-clinical-prognostic-factors-and-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitor-egfr-tki-efficacy-in-advanced-non-small-cell-lung-cancer-patients-a-retrospective-assessment-of-94-cases-with-egfr-mutations
#11
Jing-Hui Lin, Dong Lin, Ling Xu, Qiang Wang, Hui-Hua Hu, Hai-Peng Xu, Zhi-Yong He
OBJECTIVE: This study aimed to examine the association of clinical prognostic factors with epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI) efficacy in advanced non-small-cell lung cancer (NSCLC) patients. METHODS: The demographic and clinical characteristics of 94 patients with stage IV NSCLC were retrospectively reviewed, and the association between clinical factors and EGFR-TKIs efficacy was evaluated. RESULTS: Of the 94 stage IV NSCLC patients enrolled in this study, a 74...
December 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926493/developmental-therapeutics-for-inflammatory-breast-cancer-biology-and-translational-directions
#12
REVIEW
Ricardo Costa, Cesar A Santa-Maria, Giovanna Rossi, Benedito A Carneiro, Young Kwang Chae, William J Gradishar, Francis J Giles, Massimo Cristofanilli
Inflammatory breast cancer (IBC) is a rare and aggressive form of breast cancer, which accounts for approximately 3% of cases of breast malignancies. Diagnosis relies largely on its clinical presentation, and despite a characteristic phenotype, underlying molecular mechanisms are poorly understood. Unique clinical presentation indicates that IBC is a distinct clinical and biological entity when compared to non-IBC. Biological understanding of non-IBC has been extrapolated into IBC and targeted therapies for HER2 positive (HER2+) and hormonal receptor positive non-IBC led to improved patient outcomes in the recent years...
December 2, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926481/metformin-therapy-and-risk-of-colorectal-adenomas-and-colorectal-cancer-in-type-2-diabetes-mellitus-patients-a-systematic-review-and-meta-analysis
#13
REVIEW
Feifei Liu, Lijing Yan, Zhan Wang, Yuanan Lu, Yuanyuan Chu, Xiangyu Li, Yisi Liu, Dongsheng Rui, Shaofa Nie, Hao Xiang
Recent evidence indicates that metformin therapy may be associated with a decreased colorectal adenoma/colorectal cancer risk in type 2 diabetes patients. However, results are not consistent. We therefore performed a systematic review and meta-analysis to assess the association between metformin therapy and risk of colorectal adenomas/colorectal cancer in type 2 diabetes mellitus patients. We searched the literature published before Aug 31, 2016 in four databases: PubMed, Embase database, CNKI and VIP Library of Chinese Journal...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926382/prediction-of-anti-cancer-drug-response-by-kernelized-multi-task-learning
#14
Mehmet Tan
MOTIVATION: Chemotherapy or targeted therapy are two of the main treatment options for many types of cancer. Due to the heterogeneous nature of cancer, the success of the therapeutic agents differs among patients. In this sense, determination of chemotherapeutic response of the malign cells is essential for establishing a personalized treatment protocol and designing new drugs. With the recent technological advances in producing large amounts of pharmacogenomic data, in silico methods have become important tools to achieve this aim...
October 2016: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/27926358/recent-advances-in-pancreatic-cancer-surgery-of-relevance-to-the-practicing-pathologist
#15
REVIEW
Lennart B van Rijssen, Steffi J E Rombouts, Marieke S Walma, Jantien A Vogel, Johanna A Tol, Isaac Q Molenaar, Casper H J van Eijck, Joanne Verheij, Marc J van de Vijver, Olivier R C Busch, Marc G H Besselink
Recent advances in pancreatic surgery have the potential to improve outcomes for patients with pancreatic cancer. We address 3 new, trending topics in pancreatic surgery that are of relevance to the pathologist. First, increasing awareness of the prognostic impact of intraoperatively detected extraregional and regional lymph node metastases and the international consensus definition on lymph node sampling and reporting. Second, neoadjuvant chemotherapy, which is capable of changing 10% to 20% of initially unresectable, to resectable disease...
December 2016: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/27925861/modeling-heavy-ion-impairment-of-hippocampal-neurogenesis-after-acute-and-fractionated-irradiation
#16
Eliedonna Cacao, Francis A Cucinotta
Radiation-induced impairment of neurogenesis in the hippocampal dentate gyrus is a concern due to its reported association with cognitive detriments after radiotherapy for brain cancers and the possible risks to astronauts chronically exposed to space radiation. Here, we have extended our recent work in a mouse model of impaired neurogenesis after exposure to low-linear energy transfer (LET) heavy ion radiation. To our knowledge, this is the first report of a predictive mathematical model of radiation-induced changes to neurogenesis for a variety of radiation types after acute or fractionated irradiation...
December 7, 2016: Radiation Research
https://www.readbyqxmd.com/read/27925850/metallic-taste-in-cancer-patients-treated-with-systemic-therapy-a-questionnaire-based-study
#17
Irene IJpma, Erik R Timmermans, Remco J Renken, Gert J Ter Horst, Anna K L Reyners
A metallic taste is reported by cancer patients as a side effect of systemic therapy. Despite the high prevalence, this taste alteration has received limited attention. The present study investigated: 1) the prevalence of metallic taste in cancer patients treated with systemic therapy; 2) possible predictors of metallic taste; and 3) characteristics of metallic taste. A heterogeneous population of 127 cancer patients, who had received systemic treatment in the past year or were still on treatment, completed a questionnaire developed for this study...
December 7, 2016: Nutrition and Cancer
https://www.readbyqxmd.com/read/27925481/mitochondrial-ros-uncoupled-from-atp-synthesis-determine-endothelial-activation-for-both-physiological-recruitment-of-patrolling-cells-and-pathological-recruitment-of-inflammatory-cells
#18
Xinyuan Li, Pu Fang, William Y Yang, Kylie Chan, Muriel Lavallee, Keman Xu, Tracy Gao, Hong Wang, Xiaofeng Yang
Mitochondrial reactive oxygen species (mtROS) are signaling molecules, which drive inflammatory cytokine production and T cell activation. In addition, cardiovascular diseases, cancers, and autoimmune diseases all share a common feature of increased mtROS level. Both mtROS and ATP are produced as a result of electron transport chain activity, but it remains enigmatic whether mtROS could be generated independently from ATP synthesis. A recent study shed light on this important question and found that, during endothelial cell (EC) activation, mtROS could be upregulated in a proton leak-coupled, but ATP synthesis-uncoupled manner...
November 5, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/27925473/the-role-of-cancer-stem-cells-in-tumor-heterogeneity-and-resistance-to-therapy
#19
Christina Valbirk Konrad, Reshma Murali, Binitha Anu Varghese, Radhika Nair
Cancer is a heterogenous disease displaying marked inter- and intra-tumoral diversity. The existence of cancer stem cells (CSCs) has been experimentally demonstrated in a number of cancer types as a subpopulation of tumor cells that drives the tumorigenic and metastatic properties of the entire cancer. Thus, eradication of the CSC population is critical for the complete ablation of a tumor. This is, however, confounded by the inherent resistance of CSCs to standard anticancer therapies, eventually leading to the outgrowth of resistant tumor cells and relapse in patients...
September 3, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/27925349/hepatitis-c-viremia-reversibly-maintains-subset-of-antigen-specific-t-bet-tissue-like-memory-b-cells
#20
Li-Yuan Chang, Yonghai Li, David E Kaplan
BACKGROUND: Chronic antigen exposure and/or aging increases the frequency of T-box expressed in T cells (T-bet)-expressing B-lymphocytes in mice. The frequency and significance of B-cell T-bet expression during chronic hepatitis C (HCV) infection in human subjects has never been described. METHODS: Healthy controls, cirrhotic and non-cirrhotic HCV-infected patients, and non-HCV patients with cirrhosis were recruited. Peripheral blood mononuclear cells were phenotyped for expression of T-bet and related markers by flow cytometry...
December 7, 2016: Journal of Viral Hepatitis
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