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cancer and strength

Yi-Ju Hsu, Wen-Ching Huang, Chien-Chao Chiu, Yan-Lin Liu, Wan-Chun Chiu, Chun-Hui Chiu, Yen-Shuo Chiu, Chi-Chang Huang
Chili pepper is used as a food, seasoning and has been revered for its medicinal and health claims. It is very popular and is the most common spice worldwide. Capsaicin (CAP) is a major pungent and bioactive phytochemical in chili peppers. CAP has been shown to improve mitochondrial biogenesis and adenosine triphosphate (ATP) production. However, there is limited evidence around the effects of CAP on physical fatigue and exercise performance. The purpose of this study was to evaluate the potential beneficial effects of CAP on anti-fatigue and ergogenic functions following physiological challenge...
October 20, 2016: Nutrients
Balázs Ligeti, Ottilia Menyhárt, Ingrid Petrič, Balázs Győrffy, Sándor Pongor
BACKGROUND: Biomedical sciences use a variety of data sources on drug molecules, genes, proteins, diseases and scientific publications etc. This system can be best pictured as a giant data-network linked together by physical, functional, logical and similarity relationships. A new hypothesis or discovery can be considered as a new link that can be deduced from the existing connections. For instance, interactions of two pharmacons - if not already known - represent a testable novel hypothesis...
October 21, 2016: Current Pharmaceutical Design
Sihem Ait-Oudhia, Donald E Mager
Cancer is a complex disease that is characterized by an uncontrolled growth and spread of abnormal cells. Drug development in oncology is particularly challenging and is associated with one of the highest attrition rates of compounds despite substantial investments in resources. Pharmacokinetic and pharmacodynamic (PK/PD) modeling seeks to couple experimental data with mathematical models to provide key insights into factors controlling cytotoxic effects of chemotherapeutics and cancer progression. PK/PD modeling of anti-cancer compounds is equally challenging, partly based on the complexity of biological and pharmacological systems...
October 22, 2016: Journal of Pharmacokinetics and Pharmacodynamics
Yu Ke, Terence Ng, Hui Ling Yeo, Maung Shwe, Yan Xiang Gan, Alexandre Chan
BACKGROUND: There is a lack of psychometric data for both the English and Chinese versions of Beck Anxiety Inventory (BAI) to support its usage among breast cancer patients. This study examined the psychometric properties and measurement equivalence of the English and Chinese versions of BAI among breast cancer patients in Singapore. METHODS: Patients were recruited from two major cancer centers in Singapore. The criterion and construct validity of BAI was assessed by its correlation strength with (1) the emotional functioning subdomain of EORTC QLQ-C30 and (2) constructs related to anxiety, namely fatigue, dyspnea, and quality of life...
October 22, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
Yun-Wen Yang, Chun-Mei Zhang, Xian-Jie Huang, Xiao-Xin Zhang, Lin-Kai Zhang, Jia-Huang Li, Zi-Chun Hua
Fas-associated protein with death domain (FADD), a pivotal adaptor protein transmitting apoptotic signals, is indispensable for the induction of extrinsic apoptosis. However, overexpression of FADD can form large, filamentous aggregates, termed death effector filaments (DEFs) by self-association and initiate apoptosis independent of receptor cross-linking. A mutant of FADD, which is truncated of the C-terminal tail (m-FADD, 182-205 aa) named N-FADD (m-FADD, 1-181 aa), can dramatically up-regulate the strength of FADD self-association and increase apoptosis...
October 21, 2016: Scientific Reports
Danhui Huang, Jianhua Wu, Zhenya Sun, Senlin Huang, Yuzhao Zhang, Lingling Wang, Tao Zeng
Important in angiogenesis, vascular endothelial growth factor (VEGF) acts as a biomarker in the growth of and prognosis for breast cancer. Evidence suggests that single nucleotide polymorphisms of VEGF such as +936C/T (rs3025039) effects VEGF levels; however, current studies on the association between +936C/T and breast cancer risk are inconsistent. This meta-analysis was conducted to reach a more precise conclusion about this association. PubMed was searched for case-control studies on the association between +936C/T levels and breast cancer risk...
2016: International Journal of Molecular Epidemiology and Genetics
Britta Langen, Nils Rudqvist, Khalil Helou, Eva B Forssell-Aronsson
INTRODUCTION: Targeted α-therapy is a promising treatment option for various types of malignant tumors. Radiolabeled cancer-seeking agents, however, undergo degradation resulting in a certain percentage of free radionuclide in the body. The radiohalogen (211)At accumulates in various tissues with specifically high uptake in the thyroid. When normal thyroid function is disturbed due to ionizing radiation (IR) exposure, deleterious effects can occur in tissues that depend on thyroid hormone (TH) regulation for normal physiological function...
October 20, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
H N Lynch, C T Loftus, J M Cohen, L E Kerper, E M Kennedy, J E Goodman
Research suggests that exposure to ambient particulate matter (PM) may be associated with lung cancer; however, no mode of action (MoA) for this has been established. We applied a weight-of-evidence (WoE) approach to evaluate recent evidence from four realms of research (controlled human exposure, epidemiology, animal, and in vitro) to determine whether the overall evidence supports one or more MoAs by which PM could cause lung cancer. We evaluated three general MoAs: DNA damage and repair; other genotoxic effects, including mutagenicity and clastogenicity; and gene expression, protein expression, and DNA methylation...
October 17, 2016: Regulatory Toxicology and Pharmacology: RTP
Issei Egashira, Fumi Takahashi-Yanaga, Risa Nishida, Masaki Arioka, Kazunobu Igawa, Katsuhiko Tomooka, Yoshimichi Nakatsu, Teruhisa Tsuzuki, Yusaku Nakabeppu, Takanari Kitazono, Toshiyuki Sasaguri
We previously reported that celecoxib, a selective cyclooxygenase-2 (COX-2) inhibitor, strongly inhibited human colon cancer cell proliferation by suppressing the Wnt/β-catenin signaling pathway. 2,5-Dimethylcelecoxib (DM-celecoxib), a celecoxib analogue, which does not inhibit COX-2, has also been reported to have an anti-tumor effect. In the present study, we elucidated whether DM-celecoxib inhibits intestinal cancer growth, and its underlying mechanism of action. First, we compared the effect of DM-celecoxib with that of celecoxib on the human colon cancer cell lines HCT-116 and DLD-1...
October 20, 2016: Cancer Science
Lise Paquet, Lisa Simmonds, Charles Yang, Shailendra Verma
OBJECTIVES: 1) To describe how women at high-risk for breast cancer (BC) perceive their at-risk status and the options available to manage this risk, before and after risk counselling; 2) to explore the contributions of pre-counselling demographic, clinical, cognitive and emotional factors to post-counselling risk management intentions. METHODS: 58 of 173 eligible patients (34%) enrolled and were asked to fill surveys including measures of 1) subjective risk, 2) illness (being at high-risk for BC) and 3) treatment (surveillance, lifestyle modifications, and chemoprevention) cognitions, 4) BC fear and 5) future risk management intentions, prior to and 3 months after risk consultation...
October 11, 2016: Patient Education and Counseling
Mladen Korbelik, Judith Banáth, Wei Zhang
Myeloid regulatory cells (Mregs) are, together with regulatory T cells (Tregs), a dominant effector population responsible for restriction of the duration and strength of antitumor immune response. Photodynamic therapy (PDT) and cancer vaccines generated by PDT are modalities whose effectiveness in tumor destruction is closely dependent on the associated antitumor immune response. The present study investigated whether the immunodepletion of granulocytic Mregs in host mice by anti-GR1 antibody would improve the response of tumors to PDT or PDT vaccines in these animals...
October 15, 2016: Cancers
Elena Castro, Joaquin Mateo, David Olmos, Johann S de Bono
Several genomic studies have identified DNA repair gene defects in prostate cancer in the last 5 years. The mechanisms by which these DNA repair defects promote carcinogenesis and tumor progression in the prostate have not been fully elucidated, but their presence in at least 20-25% of metastatic castration-resistant prostate cancers (CRPCs) provides an opportunity for a therapeutic strategy that turns a tumor strength into its weakness and may lead to arguably the first molecularly stratified treatment for this disease...
September 2016: Cancer Journal
Sarah Jones, William D-C Man, Wei Gao, Irene J Higginson, Andrew Wilcock, Matthew Maddocks
BACKGROUND: This review is an update of a previously published review in the Cochrane Database of Systematic Reviews Issue 1, 2013 on Neuromuscular electrical stimulation for muscle weakness in adults with advanced disease.Patients with advanced progressive disease often experience muscle weakness, which can impact adversely on their ability to be independent and their quality of life. In those patients who are unable or unwilling to undertake whole-body exercise, neuromuscular electrical stimulation (NMES) may be an alternative treatment to enhance lower limb muscle strength...
October 17, 2016: Cochrane Database of Systematic Reviews
Martine Extermann, Christiaan Leeuwenburgh, Laila Samiian, Marina Sehovic, Jinze Xu, Christopher Cubitt, Paul B Jacobsen, Marco Pahor, Stephen R Grobmyer, Todd M Manini
OBJECTIVE: Chemotherapy is less often prescribed in older individuals due to concerns about post-treatment morbidity and quality of life. We evaluated the physical performance of breast cancer survivors treated with and without adjuvant chemotherapy. MATERIALS AND METHODS: We conducted a case-control study in 56 estrogen receptor positive breast cancer survivors (BCS) on adjuvant aromatase inhibitors 1-2years after definitive surgery. Cases had received adjuvant chemotherapy (n=27; age 70...
October 13, 2016: Journal of Geriatric Oncology
Ming-Jie Wang, Yong-Jun Luo, Zhi-Yong Shi, Xiao-Liang Xu, Guo-Liang Yao, Rui-Ping Liu, Hui Zhao
Considerable studies have investigated the associations between MDM4 gene polymorphisms and cancer risk recently, but with contradictory results. The aim of this meta-analysis was to evaluate the associations between MDM4 gene polymorphisms and cancer risk. Relevant studies were identified by a systematic search of PubMed, Embase, and CNKI databases. Crude odds ratios (ORs) and 95% confidence intervals (CIs) were used to describe the strength of the associations. Fifty-six studies published in 11 publications involving 18,910 cases and 51,609 controls were included in this meta-analysis...
July 28, 2016: Oncotarget
Bryan R Haugen
Thyroid nodules are very common, and thyroid cancer is currently the fifth leading cancer diagnosis in women. The American Thyroid Association has led the development and revision of guidelines for the management of patients with thyroid nodules and differentiated thyroid cancer (DTC). The most current revision was published in the January 2016 issue of the journal Thyroid. The current guidelines have 101 recommendations, with 8 figures and 17 tables that are hopefully helpful to those treating patients with thyroid nodules and cancer...
October 14, 2016: Cancer
Benilde Cosmi
Idiopathic or unprovoked venous thromboembolism is an event occurring in the absence of any apparent provoking or triggering environmental risk factors, such as surgery, trauma, and immobilization. Areas covered: Unprovoked VTE can be associated with occult cancer, but only limited, and not extensive cancer screening, may be warranted, as the rate of occult cancer is low in such patients. Routine thrombophilia testing is not currently recommended as it does not influence the management of the disease. The duration of anticoagulation for unprovoked VTE after the first three months is still debated as the disease tends to recur regardless of treatment duration...
October 14, 2016: Expert Review of Cardiovascular Therapy
Juan Wu, Junfeng Zhang, Qinhong Cao, Junqin Wang, Zhen Zhan, Zhong Li
BACKGROUND: Secreted frizzled-related protein 1 (sFRP1), a negative regulator of the Wnt signaling pathway, is frequently inactivated in human gastric cancer. Genetic variants in the 3' untranslated region (UTR) of the gene may influence the strength of miRNA binding and the regulation of mRNA transcription, affecting the individual's cancer risk. This study aims to investigate the impact of variants in the 3' UTR of sFRP1 on the gastric cancer susceptibility in a Chinese population. PATIENTS AND METHODS: The association between 2 sFRP1 gene variation loci (rs1127379 and rs10088390) with minor allele frequency more than 0...
October 10, 2016: International Journal of Biological Markers
George O Agogo, Hilko van der Voet, Pieter van 't Veer, Pietro Ferrari, David C Muller, Emilio Sánchez-Cantalejo, Christina Bamia, Tonje Braaten, Sven Knüppel, Ingegerd Johansson, Fred A van Eeuwijk, Hendriek C Boshuizen
BACKGROUND: Measurement error in self-reported dietary intakes is known to bias the association between dietary intake and a health outcome of interest such as risk of a disease. The association can be distorted further by mismeasured confounders, leading to invalid results and conclusions. It is, however, difficult to adjust for the bias in the association when there is no internal validation data. METHODS: We proposed a method to adjust for the bias in the diet-disease association (hereafter, association), due to measurement error in dietary intake and a mismeasured confounder, when there is no internal validation data...
October 13, 2016: BMC Medical Research Methodology
Chang Ho Hwang, Dong Jin Park, Gyu Yeol Kim
A 58-year-old woman, who had undergone total gastrectomy for early gastric cancer 9 years previously, visited the outpatient clinic complaining of progressive difficulty in walking for 15 d. Laboratory examinations showed macrocytic anemia and a decreased serum vitamin B12 concentration and increased serum concentrations of folate, vitamin E and copper. Magnetic resonance imaging showed multifocal high signal intensities along the posterior column of the cervical and thoracic spinal cord. Treatment consisted of intramuscular injections of vitamin B12 for 7 d, which increased her serum level of vitamin B12 to normal...
October 7, 2016: World Journal of Gastroenterology: WJG
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