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https://www.readbyqxmd.com/read/28432710/medical-students-perceptions-of-the-importance-of-exercise-and-their-perceived-competence-in-prescribing-exercise-to-older-people
#1
Agathe Daria Jadczak, Khai Loon Tam, Solomon Yu, Renuka Visvanathan
OBJECTIVE: To determine the effects of a 4.5-week geriatric medicine course on fifth year medical students' perception of the importance of and their competence in prescribing exercise to older people. METHODS: The modified Exercise and Physical Activity Competence Questionnaire was administered to 81 students before and after the course. Scores ranged from 0 to 6. One open-ended question about perceived barriers to exercise prescription was asked. RESULTS: Students' perceptions of the importance of designing an exercise prescription (P = 0...
April 22, 2017: Australasian Journal on Ageing
https://www.readbyqxmd.com/read/28430696/sequential-analysis-of-a-panel-of-biomarkers-and-pathologic-findings-in-a-resuscitated-rat-model-of-sepsis-and-recovery
#2
Nishkantha Arulkumaran, Marije L Sixma, Elisa Jentho, Elias Ceravola, Paul S Bass, John A Kellum, Robert J Unwin, Fred W K Tam, Mervyn Singer
OBJECTIVES: To characterize the temporal pattern of a panel of blood and urinary biomarkers in an animal model of fecal peritonitis and recovery. DESIGN: Prospective observational animal study. SETTING: University research laboratory. SUBJECTS: Male Wistar rats. INTERVENTIONS: A fluid-resuscitated, long-term (3 d) rat model of sepsis (fecal peritonitis) and recovery was used to understand the temporal association of sepsis biomarkers in relation to systemic hemodynamics, inflammation, and renal function...
April 20, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28430016/the-use-of-intravenous-lidocaine-for-the-management-of-acute-pain-secondary-to-traumatic-ankle-injury
#3
Billy Sin, Diana Gritsenko, Grace Tam, Kimberly Koop, Eva Mok
Sports-related injuries are a frequent cause of visits to the emergency department (ED) across the United States. A majority of these injuries affect the lower extremities with the ankle as the most frequently reported site. Most sports-related injuries are not severe enough to require inpatient hospitalization; however, they often lead to acute distress and pain which require prompt treatment with analgesics. Approximately 22% of patients who presented to the ED required pharmacotherapy for acute pain management...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28429765/repolarizing-macrophages-improves-breast-cancer-therapy
#4
Luca Cassetta, Jeffrey W Pollard
Tumor-associated macrophages (TAMs) contribute to breast cancer progression and dissemination; TAM-targeting strategies aimed at their reprogramming show promising preclinical results. In a new report Guerriero and colleagues demonstrate that a novel HDAC Class IIa inhibitor, TMP195, can reprogram monocytes and macrophages in the tumor into cells able to sustain a robust CD8 T cell-mediated anti-tumoral immune response.
April 21, 2017: Cell Research
https://www.readbyqxmd.com/read/28427799/assessing-cumulative-acute-toxicity-of-chemoradiotherapy-in-head-and-neck-cancer-with-or-without-induction-chemotherapy
#5
Bhartesh A Shah, Muhammad M Qureshi, Jennifer M Logue, Timothy P Cooley, Ken S Zaner, Scharukh Jalisi, Minh Tam Truong
BACKGROUND: To compare cumulative acute toxicity in head and neck cancer patients treated with concurrent chemoradiotherapy alone (CCRT) versus induction chemotherapy (IC) followed by CCRT (I/CCRT). METHODS: 77 patients underwent definitive CCRT (30 I/CCRT and 47 CCRT). Toxicity was graded using the Common Terminology Criteria for Adverse Events version 4.0. Using the TAME adverse event reporting system, short-term toxicity (T) scores were generated for IC (TIC), CCRT (TCCRT), total treatment duration (TRx), post-treatment period (TPT) and an overall score (Toverall) from treatment start to post treatment period...
April 12, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28427401/ki-67-protein-expression-and-tumor-associated-inflammatory-cells-macrophages-and-mast-cells-in-canine-colorectal-carcinoma
#6
M Woldemeskel, I Hawkins, L Whittington
BACKGROUND: Ki67 index, tumor associated macrophages (TAMs) and mast cells (MCs) are associated with malignancies in animal and human neoplasms including colorectal carcinomas (CRC). This has not been assessed in canine CRC. Given similar genetic abnormalities between human and canine CRC, we assessed Ki-67 and mitotic indices, TAMs and MC count (MCC) in canine CRC (n = 17). TAMs and MCC were compared with those in adenomas (n = 13) and control (n = 9). RESULTS: Ki-67 index in CRC (17...
April 20, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28427165/prognostic-significance-of-tumor-associated-macrophages-in-breast-cancer-a-meta-analysis-of-the-literature
#7
REVIEW
Xixi Zhao, Jingkun Qu, Yuchen Sun, Jizhao Wang, Xu Liu, Feidi Wang, Hong Zhang, Wen Wang, Xingcong Ma, Xiaoyan Gao, Shuqun Zhang
PURPOSE: Tumor associated macrophages (TAMs) are important prognostic factors and have been proved to be associated with the invasion and migration of various cancer. However, the relationship between TAMs and breast cancer outcomes remains unclear. EXPERIMENTAL DESIGN: Sixteen studies with a total of 4,541 breast cancer patients were included in this meta-analysis. Correlation of TAMs with overall survival (OS), disease-free survival(DFS), relapse-free survival (RFS), breast cancer special survival (BCSS) and clinicopathological features were analyzed...
February 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423996/assessing-user-acceptance-towards-automated-and-conventional-sink-use-for-hand-decontamination-using-the-technology-acceptance-model
#8
Carolyn Dawson, Jamie Mackrill, Rebecca Cain
Hand hygiene (HH) prevents harmful contaminants spreading in settings including domestic, healthcare and food handling. Strategies to improve HH range from behavioural techniques through to automated sinks that ensure hand surface cleaning. This study aimed to assess user experience and acceptance towards a new automated sink, compared to a normal sink. An adapted version of the Technology Acceptance Model (TAM) assessed each mode of handwashing. A within-subjects design enabled N=46 participants to evaluate both sinks...
April 20, 2017: Ergonomics
https://www.readbyqxmd.com/read/28423676/tumor-associated-macrophages-promote-ezrin-phosphorylation-mediated-epithelial-mesenchymal-transition-in-lung-adenocarcinoma-through-fut4-ley-up-regulation
#9
Aman Wang, Chang Lu, Zhen Ning, Wei Gao, Yunpeng Xie, Ningning Zhang, Jinxiao Liang, Faisal S Abbasi, Qiu Yan, Jiwei Liu
Tumor-associated macrophages (TAMs) are key components of tumor microenvironment (TME) during tumorigenesis and progression. However, the role of TAMs in lung adenocarcinoma is still unclear. In this study, we aimed to clarify the mechanism underlying the crosstalk between TAMs and epithelial-mesenchymal transition (EMT) of lung adenocarcinoma. Fucosyltransferase IV (FUT4) and its synthetic cancer sugar antigen Lewis Y (LeY) was aberrantly elevated in various solid tumors, it plays critical role in the invasion and metastasis...
March 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423597/hrd1-sensitizes-breast-cancer-cells-to-tamoxifen-by-promoting-s100a8-degradation
#10
YanYang Wang, AiBin Guo, XiuBin Liang, Min Li, Ming Shi, Yan Li, Gareth Jenkins, XiaWen Lin, XueFei Wei, ZhiJun Jia, XueFeng Feng, DongMing Su, WanHua Guo
Estrogen receptor alpha positive (ER+) of breast cancer could develop resistance to antiestrogens including Tamoxifen. Our previous study showed that the E3 ubiquitin ligase HRD1 played an important role in anti-breast cancer. However, its role in chemotherapy resistance hasn't been reported. In this study, we found that HRD1 expression was downregulated in Tamoxifen-resistant breast cancer cell line MCF7/Tam compared to the Tamoxifen sensitive cell line MCF7. Moreover, S100A8 is the direct target of HRD1 by proteome analysis...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423319/tam-receptors-are-not-required-for-zika-virus-infection-in-mice
#11
Andrew K Hastings, Laura J Yockey, Brett W Jagger, Jesse Hwang, Ryuta Uraki, Hallie F Gaitsch, Lindsay A Parnell, Bin Cao, Indira U Mysorekar, Carla V Rothlin, Erol Fikrig, Michael S Diamond, Akiko Iwasaki
Tyro3, Axl, and Mertk (TAM) receptors are candidate entry receptors for infection with the Zika virus (ZIKV), an emerging flavivirus of global public health concern. To investigate the requirement of TAM receptors for ZIKV infection, we used several routes of viral inoculation and compared viral replication in wild-type versus Axl(-/-), Mertk(-/-), Axl(-/-)Mertk(-/-), and Axl(-/-)Tyro3(-/-) mice in various organs. Pregnant and non-pregnant mice treated with interferon-α-receptor (IFNAR)-blocking (MAR1-5A3) antibody and infected subcutaneously with ZIKV showed no reliance on TAMs for infection...
April 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28422875/jagged1-modulated-tumor-associated-macrophage-differentiation-predicts-poor-prognosis-in-patients-with-invasive-micropapillary-carcinoma-of-the-breast
#12
Hang Liu, Jingxuan Wang, Zhaoliang Liu, Le Wang, Shoujun Liu, Qingyuan Zhang
OBJECTIVES: Invasive micropapillary carcinoma of the breast (IMPC) constitutes a unique and aggressive subtype of breast cancer. We aimed to evaluate the prognostic significance of the Jagged1 (a ligand of the Notch pathway) expression, and infiltration density of tumor-associated macrophages (TAMs) in patients with IMPC. METHODS: Jagged1 expression and CD163+, CD68+ macrophage infiltration were evaluated by immunohistochemistry in 222 tumor samples, and the clinical significance was analyzed...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28421356/the-technology-acceptance-model-for-resource-limited-settings-tam-rls-a-novel-framework-for-mobile-health-interventions-targeted-to-low-literacy-end-users-in-resource-limited-settings
#13
Jeffrey I Campbell, Isaac Aturinda, Evans Mwesigwa, Bridget Burns, Data Santorino, Jessica E Haberer, David R Bangsberg, Richard J Holden, Norma C Ware, Mark J Siedner
Although mobile health (mHealth) technologies have shown promise in improving clinical care in resource-limited settings (RLS), they are infrequently brought to scale. One limitation to the success of many mHealth interventions is inattention to end-user acceptability, which is an important predictor of technology adoption. We conducted in-depth interviews with 43 people living with HIV in rural Uganda who had participated in a clinical trial of a short messaging system (SMS)-based intervention designed to prompt return to clinic after an abnormal laboratory test...
April 18, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28420753/the-kinase-tpl2-activates-erk-and-p38-signaling-to-promote-neutrophilic-inflammation
#14
Kate Senger, Victoria C Pham, Eugene Varfolomeev, Jason A Hackney, Cesar A Corzo, Jenna Collier, Vivian W C Lau, Zhiyu Huang, Kajal Hamidzhadeh, Patrick Caplazi, Ivan Peng, A Francesca Setiadi, Ross Francis, Andres Paler-Martinez, Youngsu C Kwon, Vladimir Ramirez-Carrozzi, Yonglian Sun, Patricia W Grigg, Merone Roose-Girma, Surinder Jeet, Kai H Barck, Anna Pham, Naruhisa Ota, Connie Ha, Jeremy Stinson, Joseph Guillory, Lucinda Tam, Zora Modrusan, Claire Emson, Brent S McKenzie, Michael J Townsend, Richard A D Carano, Søren Warming, Domagoj Vucic, Jason DeVoss, Wyne P Lee, Jennie R Lill, Ali A Zarrin
Tumor progression locus 2 (TPL2; also known as MAP3K8) is a mitogen-activated protein kinase (MAPK) kinase kinase (MAP3K) that phosphorylates the MAPK kinases MEK1 and MEK2 (MEK1/2), which, in turn, activate the MAPKs extracellular signal-regulated kinase 1 (ERK1) and ERK2 (ERK1/2) in macrophages stimulated through the interleukin-1 receptor (IL-1R), Toll-like receptors (TLRs), or the tumor necrosis factor receptor (TNFR). We describe a conserved and critical role for TPL2 in mediating the effector functions of neutrophils through the activation of the p38 MAPK signaling pathway...
April 18, 2017: Science Signaling
https://www.readbyqxmd.com/read/28419443/loss-of-natural-killer-t-nkt-cells-promotes-pancreatic-cancer-in-lsl-kras-g12d-mice
#15
Naveena B Janakiram, Altaf Mohammed, Taylor Bryant, Rebekah Ritchie, Nicole Stratton, Lydgia Jackson, Stan Lightfoot, Doris M Benbrook, Adam Asch, Mark L Lang, Chinthalapally V Rao
Role of unique T cell population, Natural Killer T (NKT) cells which have similar functions like NK cells in PC is not yet evaluated. In order to address the regulatory roles of NKT cells on tumor progression through tumor-associated macrophages (TAM) and their production of microsomal prostaglandin E synthase-1 (mPGES-1) and 5-lipoxygenase (5-LOX) in (Kras)-driven pancreatic tumor (KPT) progression, we crossed CD1d(-/-) mice deficient in both iNKT and vNKT cells with the Kras(G12D) mice. Loss of NKT cells significantly increased pancreatic intraepithelial neoplasia lesions [PanINs] and also increased 5-LOX and mPGES-1 expressions in M2 type macrophages and cancer stem like cells in pancreatic tumors...
April 18, 2017: Immunology
https://www.readbyqxmd.com/read/28419186/cd4-negative-variant-of-cutaneous-blastic-plasmacytoid-dendritic-cell-neoplasm-with-a-novel-pbrm1-mutation-in-an-11-year-old-girl
#16
Nuri Yigit, Luisa Fernanda Suarez, Lisa Giulino Roth, Attilio Orazi, Wayne Tam
Objectives: We report a rare case of CD4- cutaneous blastic plasmacytoid dendritic cell neoplasm (BPDCN) with a novel PBRM1 mutation. Methods: An 11-year-old girl presented with an enlarged mass on her left arm and underwent an incisional biopsy. Results: Histopathologic examination and immunohistochemistry studies showed a monotonous proliferation of blasts that were CD4-, CD56+, and CD123+. There was no evidence of leukemic dissemination...
April 15, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28419167/pharmacy-students-anxiety-towards-research-during-their-undergraduate-degree-how-to-reduce-it
#17
Mari Kannan Maharajan, Kingston Rajiah, Ai May Tam, Siew Ling Chaw, May Jing Ang, Mei Wan Yong
OBJECTIVE: To measure pharmacy students' anxiety towards research and how academic support, academic effort, attitude and self-efficacy influence their research anxiety. METHODS: A cross-sectional study was conducted with undergraduate final year students of pharmacy using a convenient sampling method. A validated self-administered questionnaire was used. RESULTS: Response rate for this study was 85.9% (128 students from a population of 149)...
2017: PloS One
https://www.readbyqxmd.com/read/28416017/patient-complexity-and-genotype-phenotype-correlations-in-biliary-atresia-a-cross-sectional-analysis
#18
Guo Cheng, Patrick Ho-Yu Chung, Edwin Kin-Wai Chan, Man-Ting So, Pak-Chung Sham, Stacey S Cherny, Paul Kwong-Hang Tam, Maria-Mercè Garcia-Barceló
BACKGROUND: Biliary Atresia (BA) is rare and genetically complex, and the pathogenesis is elusive. The disease course is variable and can represent heterogeneity, which hinders effective disease management. Deciphering the BA phenotypic variance is a priority in clinics and can be achieved by the integrative analysis of genotype and phenotype. We aim to explore the BA phenotypic features and to delineate the source of its variance. METHODS: The study is a cross-sectional observational study collating with case/control association analysis...
April 17, 2017: BMC Medical Genomics
https://www.readbyqxmd.com/read/28415819/aspirin-regulation-of-c-myc-and-cyclind1-proteins-to-overcome-tamoxifen-resistance-in-estrogen-receptor-positive-breast-cancer-cells
#19
Ran Cheng, Ya-Jing Liu, Jun-Wei Cui, Man Yang, Xiao-Ling Liu, Peng Li, Zhan Wang, Li-Zhang Zhu, Si-Yi Lu, Li Zou, Xiao-Qin Wu, Yu-Xia Li, You Zhou, Zheng-Yu Fang, Wei Wei
Tamoxifen is still the most commonly used endocrine therapy drug for estrogen receptor (ER)-positive breast cancer patients and has an excellent outcome, but tamoxifen resistance remains a great impediment to successful treatment. Recent studies have prompted an anti-tumor effect of aspirin. Here, we demonstrated that aspirin not only inhibits the growth of ER-positive breast cancer cell line MCF-7, especially when combined with tamoxifen, but also has a potential function to overcome tamoxifen resistance in MCF-7/TAM...
March 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415526/effect-of-variable-aminoalkyl-chains-on-chemical-grafting-of-cellulose-nanofiber-and-their-antimicrobial-activity
#20
Seema Saini, Mohamed Naceur Belgacem, Julien Bras
Recent focus on the preparation of antimicrobial surfaces using cellulose nanofibers (CNF) has gained considerable attention. In this work, functionalization of CNF films in 100% aqueous solution with three different aminosilanes, including 3-aminopropyl trimethoxysilane (APMS), 2-aminoethyl 3-aminopropyl trimethoxysilane (DAMS)and 3-2-(2-aminoethylamino) ethylamino propyl-trimethoxysilane (TAMS) is reported for the fabrication of contact active antimicrobial materials. Grafted CNF films were comprehensively characterized by FTIR, TGA, contact angle, elemental analysis, solid-state (29)Si NMR, FEG-SEM and SEM-EDX...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
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