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https://www.readbyqxmd.com/read/28214933/findings-from-american-indian-needs-assessments
#1
Linda Burhansstipanov, Linda U Krebs, Lisa Harjo, Kathleen Ragan, Judith Salmon Kaur, Vickie Marsh, Dewey Painter
Because of decreased access and dismal survival rates, strategies need to be developed to increase cancer awareness and facilitate cancer prevention, early detection, and screening activities within American Indian (AI) populations. The purpose of this study was to develop a locally tailored needs assessment to collect cancer prevention, control, and risk factor information and knowledge, attitude, and perceived behavior (hereafter referred to as "needs assessment") data from 500 community members living in 3 geographically diverse settings: the Southeastern USA, the Rocky Mountain region, and the Northern Plains...
February 18, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28210916/a-multiscale-mathematical-model-of-tumour-invasive-growth
#2
Lu Peng, Dumitru Trucu, Ping Lin, Alastair Thompson, Mark A J Chaplain
Known as one of the hallmarks of cancer (Hanahan and Weinberg in Cell 100:57-70, 2000) cancer cell invasion of human body tissue is a complicated spatio-temporal multiscale process which enables a localised solid tumour to transform into a systemic, metastatic and fatal disease. This process explores and takes advantage of the reciprocal relation that solid tumours establish with the extracellular matrix (ECM) components and other multiple distinct cell types from the surrounding microenvironment. Through the secretion of various proteolytic enzymes such as matrix metalloproteinases or the urokinase plasminogen activator (uPA), the cancer cell population alters the configuration of the surrounding ECM composition and overcomes the physical barriers to ultimately achieve local cancer spread into the surrounding tissue...
February 16, 2017: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/28210884/energy-balance-and-obesity-what-are-the-main-drivers
#3
Isabelle Romieu, Laure Dossus, Simón Barquera, Hervé M Blottière, Paul W Franks, Marc Gunter, Nahla Hwalla, Stephen D Hursting, Michael Leitzmann, Barrie Margetts, Chizuru Nishida, Nancy Potischman, Jacob Seidell, Magdalena Stepien, Youfa Wang, Klaas Westerterp, Pattanee Winichagoon, Martin Wiseman, Walter C Willett
PURPOSE: The aim of this paper is to review the evidence of the association between energy balance and obesity. METHODS: In December 2015, the International Agency for Research on Cancer (IARC), Lyon, France convened a Working Group of international experts to review the evidence regarding energy balance and obesity, with a focus on Low and Middle Income Countries (LMIC). RESULTS: The global epidemic of obesity and the double burden, in LMICs, of malnutrition (coexistence of undernutrition and overnutrition) are both related to poor quality diet and unbalanced energy intake...
February 17, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28210862/physical-activity-related-differences-in-body-mass-index-and-patient-reported-quality-of-life-in-socioculturally-diverse-endometrial-cancer-survivors
#4
Amerigo Rossi, Carol Ewing Garber, Gurpreet Kaur, Xiaonan Xue, Gary L Goldberg, Nicole S Nevadunsky
PURPOSE: The purpose of this study was to describe physical activity-related differences in body composition, quality of life, and behavioral variables among a socioculturally diverse sample of endometrial cancer survivors. METHODS: Ambulatory, English-speaking endometrial cancer survivors (6 months to 5 years post-treatment), who were residents of Bronx, NY, were recruited to complete questionnaires about physical activity (PA), quality of life (QoL), and psychosocial characteristics...
February 16, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28209923/novel-involvement-of-rhebl1-in-sphingosylphosphorylcholine-induced-keratin-phosphorylation-and-reorganization-binding-to-and-activation-of-akt1
#5
Hyun Ji Kim, Hyun Jung Byun, Mi Kyung Park, Eun Ji Kim, Gyeoung Jin Kang, Chang Hoon Lee
Sphingosylphosphorylcholine induces keratin phosphorylation and reorganization, and increases viscoelasticity of metastatic cancer cells such as PANC-1 cells. However, the mechanism involved in sphingosylphosphorylcholine-induced keratin phosphorylation and reorganization is largely unknown. Sphingosylphosphorylcholine dose- and time-dependently induces the expression of RhebL1. The involvement of RhebL1 in sphingosylphosphorylcholine-induced events including keratin 8 (K8) phosphorylation, reorganization, migration and invasion was examined...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28208044/daily-step-count-and-the-need-for-hospital-care-in-subsequent-years-in-a-community-based-sample-of-older-australians
#6
Ben D Ewald, Christopher Oldmeadow, John R Attia
OBJECTIVES: To determine the extent to which physical activity reduces the number of hospital bed-days for Australians over 55, using an objective measure of activity. DESIGN, SETTING AND PARTICIPANTS: 9784 Newcastle residents aged 55 years or more were invited to participate. 3253 responders were eligible and wore pedometers for one week during 2005-2007; their hospital data from recruitment to 31 March 2015 were analysed (mean follow-up time: 8.2 years). Complete data for 2110 people were available for analysis...
February 20, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28207820/objectively-measured-versus-self-reported-physical-activity-in-children-and-adolescents-with-cancer
#7
Miriam Götte, Corinna Caroline Seidel, Sabine Verena Kesting, Dieter Rosenbaum, Joachim Boos
OBJECTIVE: Existing research recognizes low levels of physical activity in pediatric patients with cancer, but much uncertainty exists about their capability to self-reflect physical activity levels. The objective of this study was to compare results of subjective self-reports and objective accelerometers regarding levels of daily walking as well as moderate-to-vigorous physical activities. METHODS: Results of the objective assessment tool StepWatchTM Activity Monitor and self-reporting with a standardized questionnaire were compared in 28 children and adolescents during cancer treatment...
2017: PloS One
https://www.readbyqxmd.com/read/28205223/abdominal-adiposity-is-not-a-mediator-of-the-protective-effect-of-mediterranean-diet-on-colorectal-cancer
#8
Francesca Fasanelli, Daniela Zugna, Maria Teresa Giraudo, Vittorio Krogh, Sara Grioni, Salvatore Panico, Amalia Mattiello, Giovanna Masala, Saverio Caini, Rosario Tumino, Graziella Frasca, Veronica Sciannameo, Fulvio Ricceri, Carlotta Sacerdote
Adherence to the Mediterranean diet (MD) has a preventive effect on colorectal cancer (CRC). Several biological mechanisms have been hypothesized to explain this effect, but the involvement of clinical mediators has not been experimentally proven. We examined the role of abdominal adiposity (i.e. waist-to-hip ratio, WHR) as a potential mediator of the relationship between the MD and CRC in the Italian centres of the European Prospective Investigation into Cancer and Nutrition. We evaluated the effect of the Italian Mediterranean Index (IMI) on WHR and of WHR on CRC risk...
February 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28204992/the-life-experience-of-nutrition-impact-symptoms-during-treatment-for-head-and-neck-cancer-patients-a-systematic-review-and-meta-synthesis
#9
REVIEW
Valentina Bressan, Annamaria Bagnasco, Giuseppe Aleo, Gianluca Catania, Milko P Zanini, Fiona Timmins, Loredana Sasso
PURPOSE: In the literature, there is limited research about the changed meaning of food, the eating and the eating experience during treatment in patients with head and neck cancer. This systematic review includes findings from a qualitative research synthesis to gain a deeper understanding of the influence and experiences of dysphagia, dysgeusia, oral mucositis and xerostomia in head and neck cancer patients (HNC) and suggests recommendations for care practice. METHOD: A systematic review and meta-synthesis techniques were adopted to identify, appraise and synthesize the relevant literature regarding the experience of nutritional symptoms of HNC patients conducted according to the PRISMA guidelines...
February 15, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28202690/a-rhog-mediated-signaling-pathway-that-modulates-invadopodia-dynamics-in-breast-cancer-cells
#10
Silvia M Goicoechea, Ashtyn Zinn, Sahezeel S Awadia, Kyle Snyder, Rafael Garcia-Mata
One of the hallmarks of cancer is the ability of tumor cells to invade surrounding tissues and metastasize. During metastasis, cancer cells degrade the extracellular matrix, which acts as a physical barrier, by developing a specialized actin-rich membrane protrusion structure called invadopodia. The formation of invadopodia is regulated by Rho GTPases, a family of proteins that regulates the actin cytoskeleton. Here, we describe a novel role for RhoG in the regulation of invadopodia disassembly in human breast cancer cells...
February 15, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28202637/supplemental-selenium-may-decrease-ovarian-cancer-risk-in-african-american-women
#11
Paul D Terry, Bo Qin, Fabian Camacho, Patricia G Moorman, Anthony J Alberg, Jill S Barnholtz-Sloan, Melissa Bondy, Michele L Cote, Ellen Funkhouser, Kristin A Guertin, Edward S Peters, Ann G Schwartz, Joellen M Schildkraut, Elisa V Bandera
Background: To our knowledge, no previous study has evaluated the associations of antioxidant intake with the risk of ovarian cancer in African-American women, who are known to have high mortality from the disease.Objective: We sought to evaluate these associations among 406 ovarian cancer cases and 632 age- and site-matched controls of African-American descent recruited from AACES (African American Cancer Epidemiology Study), a population-based, case-control study in 11 geographical areas within the United States...
February 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28202500/canwalk-a-feasibility-study-with-embedded-randomised-controlled-trial-pilot-of-a-walking-intervention-for-people-with-recurrent-or-metastatic-cancer
#12
Vicki Tsianakas, Jenny Harris, Emma Ream, Mieke Van Hemelrijck, Arnie Purushotham, Lorelei Mucci, James S A Green, Jacquetta Fewster, Jo Armes
OBJECTIVES: Walking is an adaptable, inexpensive and accessible form of physical activity. However, its impact on quality of life (QoL) and symptom severity in people with advanced cancer is unknown. This study aimed to assess the feasibility and acceptability of a randomised controlled trial (RCT) of a community-based walking intervention to enhance QoL in people with recurrent/metastatic cancer. DESIGN: We used a mixed-methods design comprising a 2-centre RCT and nested qualitative interviews...
February 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28198998/physical-activity-counseling-in-primary-care-insights-from-public-health-and-behavioral-economics
#13
REVIEW
Kerem Shuval, Tammy Leonard, Jeffrey Drope, David L Katz, Alpa V Patel, Melissa Maitin-Shepard, On Amir, Amir Grinstein
Physical inactivity has reached epidemic proportions in modern society. Abundant evidence points to a causal link between physical inactivity and increased risk for numerous noncommunicable diseases, such as some types of cancer and heart disease, as well as premature mortality. Yet, despite this overwhelming evidence, many individuals do not meet the recommended amount of physical activity required to achieve maximum health benefits. Because primary care physicians' advice is highly regarded, clinicians have the unique opportunity to play an important role in enabling patients to modify their behavior at the point of care with the goal of guiding patients to adopt and maintain an active lifestyle...
February 15, 2017: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/28198152/discovery-of-cdc25a-lead-inhibitors-with-novel-chemotype-by-virtual-screening-application-of-pharmacophore-modeling-based-on-training-set-with-unique-limited-components
#14
Yushu Ge, Qianqian Han, Wenxiu Duan, Jiaqi Zhang, Kai Chen, Jiajia Wan, Yi Liu, Dan Liu
Cdc25 phosphatase has been studied as an attractive target for cancer therapy. Multiple pharmacophore models with unique core features of classic quinone inhibitors and novel inhibitors were used to discover novel lead inhibitor. 21 compounds with qualified physical properties were screened out from Maybridge hitfinderTM database containing 14400 compounds by pharmacophore models. 4 compounds inhibit the Cdc25A activity more than 50% at concentration of 100 μM. Among them, compound KM10389 (N-(2-((furan-2-ylmethyl)thio)ethyl)-2-((4-hydroxy-6-propylpyrimidin-2-yl)thio)acetamide) shows high enzyme inhibition activity with IC₅₀ of 7...
February 14, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28197849/effect-of-myofascial-techniques-for-treatment-of-upper-limb-dysfunctions-in-breast-cancer-survivors-randomized-controlled-trial
#15
An De Groef, Marijke Van Kampen, Nele Verlvoesem, Evi Dieltjens, Lore Vos, Tessa De Vrieze, Marie-Rose Christiaens, Patrick Neven, Inge Geraerts, Nele Devoogdt
PURPOSE: Besides pain, myofascial dysfunctions may contribute to the presence of upper limb impairments such as impaired range of motion, decreased strength, lymphedema, and altered postures and kinematics. Therefore, the aim of this study was to investigate the effect of myofascial therapy in addition to a standard physical therapy program for treatment of upper limb dysfunctions in breast cancer survivors. METHODS: Fifty women treated for a unilateral breast cancer with pain and myofascial dysfunctions at the upper limb region...
February 14, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28197722/reallocating-time-to-sleep-sedentary-and-active-behaviours-in-non-hodgkin-lymphoma-survivors-associations-with-patient-reported-outcomes
#16
Jeff K Vallance, Matthew P Buman, Brigid M Lynch, Terry Boyle
The purpose of this study was to examine potential effects of reallocating time between sleep, sedentary and active behaviours on fatigue symptoms and quality of life in a sample of non-Hodgkin lymphoma survivors. Non-Hodgkin lymphoma survivors identified from the Western Australian Cancer Registry (N = 149) (response rate = 36%; median age = 64 years) wore an Actigraph® GT3X+ accelerometer for 7 days and completed the Fatigue Scale, the Functional Assessment of Cancer Therapy-General and the Pittsburgh Sleep Quality Index...
February 14, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28196892/modeling-the-two-way-feedback-between-contractility-and-matrix-realignment-reveals-a-nonlinear-mode-of-cancer-cell-invasion
#17
Hossein Ahmadzadeh, Marie R Webster, Reeti Behera, Angela M Jimenez Valencia, Denis Wirtz, Ashani T Weeraratna, Vivek B Shenoy
Cancer cell invasion from primary tumors is mediated by a complex interplay between cellular adhesions, actomyosin-driven contractility, and the physical characteristics of the extracellular matrix (ECM). Here, we incorporate a mechanochemical free-energy-based approach to elucidate how the two-way feedback loop between cell contractility (induced by the activity of chemomechanical interactions such as Ca(2+) and Rho signaling pathways) and matrix fiber realignment and strain stiffening enables the cells to polarize and develop contractile forces to break free from the tumor spheroids and invade into the ECM...
February 14, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28196848/gps-based-exposure-to-greenness-and-walkability-and-accelerometry-based-physical-activity
#18
Peter James, Jaime E Hart, J Aaron Hipp, Jonathan Mitchell, Jacqueline Kerr, Philip M Hurvitz, Karen Glanz, Francine Laden
BACKGROUND: Physical inactivity is a risk factor for cancer that may be influenced by environmental factors. Indeed, dense and well-connected built environments and environments with natural vegetation may create opportunities for higher routine physical activity. However, studies have focused primarily on residential environments to define exposure and self-reported methods to estimate physical activity. The current study explores the momentary association between minute-level global positioning systems (GPS)-based greenness exposure and time-matched objectively measured physical activity...
February 14, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28194746/stimuli-responsive-polymeric-nanocarriers-for-efficient-gene-delivery
#19
REVIEW
Yingqin Li, Jinbiao Gao, Chao Zhang, Zhong Cao, Du Cheng, Jie Liu, Xintao Shuai
Gene therapy provides an alternative and effective method for treatment of genetic diseases and cancers that are refractory to conventional therapeutics. The success of gene therapy is largely dependent on the development of safe and effective gene delivery vectors for transporting genetic material from the blood stream to the cytoplasm or nucleus. Current gene vectors can be divided into viral and non-viral vectors. Although non-viral gene delivery carriers can offer some advantages, such as safety and facile fabrication, they do not possess the same high gene transfection efficiency as viral vectors due to a lack of functionality to overcome extra- and intracellular gene delivery obstacles...
April 2017: Topics in Current Chemistry (Journal)
https://www.readbyqxmd.com/read/28194618/the-prognostic-value-of-pre-diagnosis-health-related-quality-of-life-on-survival-a-prospective-cohort-study-of-older-americans-with-lung-cancer
#20
Laura C Pinheiro, Timothy M Zagar, Bryce B Reeve
PURPOSE: Health-related quality of life (HRQOL) after cancer diagnosis is prognostic for overall survival (OS). However, no studies have assessed if HRQOL before diagnosis is predictive for OS. The objective of this study was to determine the association between pre-lung cancer diagnosis HRQOL and OS. METHODS: Our prospective cohort study used surveillance, epidemiology, and end results linked to the Medicare Health Outcomes Survey. We included 6290 individuals 65 years or older diagnosed with incident lung cancer from 1998 to 2013...
February 14, 2017: Quality of Life Research
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