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https://www.readbyqxmd.com/read/28538983/assocation-of-a-surgical-task-during-training-with-team-skill-acquisition-among-surgical-residents-the-missing-piece-in-multidisciplinary-team-training
#1
Jessica L Sparks, Dustin L Crouch, Kathryn Sobba, Douglas Evans, Jing Zhang, James E Johnson, Ian Saunders, John Thomas, Sarah Bodin, Ashley Tonidandel, Jeff Carter, Carl Westcott, R Shayn Martin, Amy Hildreth
Importance: The human patient simulators that are currently used in multidisciplinary operating room team training scenarios cannot simulate surgical tasks because they lack a realistic surgical anatomy. Thus, they eliminate the surgeon's primary task in the operating room. The surgical trainee is presented with a significant barrier when he or she attempts to suspend disbelief and engage in the scenario. Objective: To develop and test a simulation-based operating room team training strategy that challenges the communication abilities and teamwork competencies of surgeons while they are engaged in realistic operative maneuvers...
May 24, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28538683/metabolic-investigations-of-the-molecular-mechanisms-associated-with-parkinson-s-disease
#2
REVIEW
Robert Powers, Shulei Lei, Annadurai Anandhan, Darrell D Marshall, Bradley Worley, Ronald L Cerny, Eric D Dodds, Yuting Huang, Mihalis I Panayiotidis, Aglaia Pappa, Rodrigo Franco
Parkinson's disease (PD) is a neurodegenerative disorder characterized by fibrillar cytoplasmic aggregates of α-synuclein (i.e., Lewy bodies) and the associated loss of dopaminergic cells in the substantia nigra. Mutations in genes such as α-synuclein (SNCA) account for only 10% of PD occurrences. Exposure to environmental toxicants including pesticides and metals (e.g., paraquat (PQ) and manganese (Mn)) is also recognized as an important PD risk factor. Thus, aging, genetic alterations, and environmental factors all contribute to the etiology of PD...
May 24, 2017: Metabolites
https://www.readbyqxmd.com/read/28538572/intratendinous-injection-of-hydrogel-for-reseeding-decellularized-human-flexor-tendons
#3
Chao Long, Michael G Galvez, Anais Legrand, Lydia-Marie Joubert, Zhen Wang, Arhana Chattopadhyay, James Chang, Paige M Fox
BACKGROUND: Decellularized cadaveric tendons are a potential source for reconstruction. Reseeding to enhance healing is ideal; however, cells placed on the tendon surface result in inadequate delivery. The authors used an injection technique to evaluate intratendinous cell delivery. METHODS: Decellularized tendons were reseeded with adipose-derived stem cells in culture, and injected with fetal bovine serum or hydrogel. PKH26-stained cells in cross-section were quantified...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28538445/a-national-survey-on-the-use-of-immersive-simulation-for-interprofessional-education-in-physical-therapist-education-programs
#4
Brad Stockert, Patricia J Ohtake
INTRODUCTION: There is growing recognition that collaborative practice among healthcare professionals is associated with improved patient outcomes and enhanced team functioning, but development of collaborative practitioners requires interprofessional education (IPE). Immersive simulation, a clinically relevant experience that deeply engages the learner in realistic clinical environments, is used increasingly for IPE. The purpose of this study was to assess the use of immersive simulation as a strategy for IPE in physical therapist (PT) education programs...
May 20, 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/28538211/the-oxido-metabolic-driver-atf4-enhances-temozolamide-chemo-resistance-in-human-gliomas
#5
Daishi Chen, Manfred Rauh, Michael Buchfelder, Ilker Y Eyupoglu, Nicolai Savaskan
Malignant gliomas are devastating neoplasia with limited curative treatment options. Temozolomide (TMZ, Temcat®, Temodal® or Temodar®) is a first-line treatment for malignant gliomas but the development of drug resistance remains a major concern. Activating transcription factor 4 (ATF4) is a critical oxido-metabolic regulator in gliomas, and its role in the pathogenesis of TMZ-resistance remains elusive. We investigated the effect of TMZ on human glioma cells under conditions of enhanced ATF4 expression (ATF4OE) and ATF4 knock down (ATF4KD)...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28538021/global-surgery-current-evidence-for-improving-surgical-care
#6
Jennifer C Fuller, David A Shaye
PURPOSE OF REVIEW: The field of global surgery is undergoing rapid transformation, owing to several recent prominent reports positioning it as a cost-effective means of relieving global disease burden. The purpose of this article is to review the recent advances in the field of global surgery. RECENT FINDINGS: Efforts to grow the global surgical workforce and procedural capacity have focused on innovative methods to increase surgeon training, enhance international collaboration, leverage technology, optimize existing health systems, and safely implement task-sharing...
May 19, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28537964/the-impact-of-the-affordable-care-act-on-cancer-survivorship
#7
Christine Leopold, Elyse R Park, Larissa Nekhlyudov
In 2010, the Patient Protection and Affordable Care Act (ACA) was implemented with the aim of expanding access to quality, affordable care. In this review, we describe the ACA provisions that are most relevant for cancer survivors, provide available published evidence, and offer insights for future research. We found that provisions focusing on access to preventive care, access to quality and coordinated care, and coverage expansion and increased affordability suggest beneficial effects. However, we identified research gaps specifically addressing the intended and unintended consequences of the ACA on cancer survivorship care...
May 2017: Cancer Journal
https://www.readbyqxmd.com/read/28537952/providing-coordinated-cancer-care-a-qualitative-study-of-norwegian-cancer-coordinators-experiences-of-their-role
#8
Nataskja-Elena Kersting Lie, May Aasebø Hauken, Per Koren Solvang
BACKGROUND: There is a growing need for strategies to improve coordinated, tailored services in cancer care to meet the comprehensive needs of cancer patients. In Norway, cancer coordinators (CCs) have been established to improve coordination and patient-centeredness of services. Little is known about how CCs engage to provide patients with the needed services and support throughout the treatment. OBJECTIVE: The aim of this study was to explore how Norwegian CCs experience their role and how they enact it in order to enhance coordinated cancer care...
May 23, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/28537945/making-sense-of-effective-partnerships-among-senior-leaders-in-the-national-health-service
#9
Mahima Mitra, Timothy Hoff, Paul Brankin, Sue Dopson
BACKGROUND: Changing health care systems depend on strong organizational leadership that realizes the collaborative potential of both physician and nonphysician leaders. PURPOSE: The aim of this study was to seek insight into the everyday health care leader experience by examining 24 physician and nonphysician leaders working in the U.K. National Health Service. We explored (a) how they make sense of and act with respect to specific collaborative tensions in their interactions and (b) which aspects of their everyday leadership contexts heighten the probability for producing and resolving such tensions...
May 22, 2017: Health Care Management Review
https://www.readbyqxmd.com/read/28537907/sirt1-inhibition-promotes-atherosclerosis-through-impaired-autophagy
#10
Xiaofeng Yang, Jingyuan Wei, Yanhao He, Ting Jing, Yanxiang Li, Yunfang Xiao, Bo Wang, Weirong Wang, Jiye Zhang, Rong Lin
SIRT1, a highly conserved NAD+-dependent protein deacetylase, plays a pivotal role in the pathogenesis and therapy of atherosclerosis (AS). The aim of this study is to investigate the potential effects of SIRT1 on AS in ApoE-/- mice and the underlying mechanisms of autophagy in an ox-LDL-stimulated human monocyte cell line, THP-1. In vivo, the accelerated atherosclerotic progression of mice was established by carotid collar placement; then, mice were treated for 4 weeks with a SIRT1-specific inhibitor, EX-527...
May 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537903/amyloid-precursor-like-protein-1-promotes-jnk-mediated-cell-migration-in-drosophila
#11
Xingjun Wang, Ying Sun, Shilong Han, Chenxi Wu, Yeqing Ma, Yu Zhao, Yingyao Shao, Yujun Chen, Lingzhi Kong, Wenzhe Li, Fan Zhang, Lei Xue
The amyloid precursor like protein-1 (APLP1) is a member of the amyloid precursor protein (APP) family in mammals. While many studies have been focused on the pathologic role of APP in Alzheimer's disease, the physiological functions of APLP1 have remained largely elusive. Here we report that ectopic expression of APLP1 in Drosophila induces cell migration, which is suppressed by the loss of JNK signaling and enhanced by the gain of JNK signaling. APLP1 activates JNK signaling through phosphorylation of JNK, which up-regulates the expression of matrix metalloproteinase MMP1 required for basement membranes degradation and promotes actin remodeling essential for cell migration...
May 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537902/endoplasmic-reticulum-stress-promotes-autophagy-and-apoptosis-and-reverses-chemoresistance-in-human-ovarian-cancer-cells
#12
Jin-Long Hu, Xin-Long Hu, Ai-Ye Guo, Chao-Jie Wang, Yi-Yang Wen, Shun-Dong Cang
Ovarian cancer presents the highest mortality rate among gynecological tumors. Here, we measured cell viability, proliferation, apoptosis, autophagy, and expression of endoplasmic reticulum stress (ERS)-related proteins, PI3K/AKT/mTOR pathway-related proteins, and apoptosis- and autophagy-related proteins in SKOV3 and SKOV3/CDDP cells treated with combinations of CDDP, tunicamycin, and BEZ235 (blank control, CDDP, CDDP + tunicamycin, CDDP + BEZ235, and CDDP + tunicamycin + BEZ235). Increasing concentrations of tunicamycin and CDDP activated ERS in SKOV3 cells, reduced cell viability and proliferation, increased apoptosis and autophagy, enhanced expression of ERS-related proteins, and inhibited expression of PI3K/AKT/mTOR pathway-related proteins...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537895/interaction-of-glycosphingolipids-gd3-and-gd2-with-growth-factor-receptors-maintains-breast-cancer-stem-cell-phenotype
#13
Yuh-Jin Liang, Chen-Yu Wang, I-An Wang, Yi-Wen Chen, Li-Tzu Li, Chuang-Yu Lin, Ming-Yi Ho, Tsung-Lung Chou, Ya-Hui Wang, Shih-Pin Chiou, Yu-Ju Lin, John Yu
Many studies have suggested that disialogangliosides, GD2 and GD3, are involved in the development of various tumor types. However, the functional relationships between ganglioside expression and cancer development or aggressiveness are not fully described. GD3 is upregulated in approximately half of all invasive ductal breast carcinoma cases, and enhanced expression of GD3 synthase (GD3S, alpha-N-acetylneuraminide alpha-2,8-sialyltransferase) in estrogen receptor-negative breast tumors, was shown to correlate with reduced overall patient survival...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537886/adam9-enhances-cdcp1-by-inhibiting-mir-1-through-egfr-signaling-activation-in-lung-cancer-metastasis
#14
Kuo-Liang Chiu, Yu-Sen Lin, Ting-Ting Kuo, Chia-Chien Lo, Yu-Kai Huang, Hsien-Fang Chang, Eric Y Chuang, Ching-Chan Lin, Wei-Chung Cheng, Yen-Nien Liu, Liang-Chuan Lai, Yuh-Pyng Sher
MicroRNAs (miRNAs), which are endogenous short noncoding RNAs, can regulate genes involved in important biological and pathological functions. Therefore, dysregulation of miRNAs plays a critical role in cancer progression. However, whether the aberrant expression of miRNAs is regulated by oncogenes remains unclear. We previously demonstrated that a disintegrin and metalloprotease domain 9 (ADAM9) promotes lung metastasis by enhancing the expression of a pro-migratory protein, CUB domain containing protein 1 (CDCP1)...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537878/biological-characterization-of-sn32976-a-selective-inhibitor-of-pi3k-and-mtor-with-preferential-activity-to-pi3k%C3%AE-in-comparison-to-established-pan-pi3k-inhibitors
#15
Gordon W Rewcastle, Sharada Kolekar, Christina M Buchanan, Swarna A Gamage, Anna C Giddens, Kit Y Tsang, Jackie D Kendall, Ripudaman Singh, Woo-Jeong Lee, Greg C Smith, Weiping Han, David J Matthews, William A Denny, Peter R Shepherd, Stephen M F Jamieson
Multiple therapeutic agents have been developed to target the phosphatidylinositol 3-kinase (PI3K) signaling pathway, which is frequently dysregulated in cancer promoting tumor growth and survival. These include pan PI3K inhibitors, which target class Ia PI3K isoforms and have largely shown limited single agent activity with narrow therapeutic windows in clinical trials. Here, we characterize SN32976, a novel pan PI3K inhibitor, for its biochemical potency against PI3K isoforms and mTOR, kinase selectivity, cellular activity, pharmacokinetics, pharmacodynamics and antitumor efficacy relative to five clinically-evaluated pan PI3K inhibitors: buparlisib, dactolisib, pictilisib, omipalisib and ZSTK474...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537875/n-myc-downstream-regulated-gene-1-promotes-oxaliplatin-triggered-apoptosis-in-colorectal-cancer-cells-via-enhancing-the-ubiquitination-of-bcl-2
#16
Xiao Yang, Fan Zhu, Chaoran Yu, Jiaoyang Lu, Luyang Zhang, Yanfeng Lv, Jing Sun, Minhua Zheng
N-myc downstream-regulated gene1 (NDRG1) has been identified as a potent tumor suppressor gene. The molecular mechanisms of anti-tumor activity of NDRG1 involve its suppressive effects on a variety of tumorigenic signaling pathways. The purpose of this study was to investigate the role of NDRG1 in the apoptosis of colorectal cancer (CRC) cells. We first collected the clinical data of locally advanced rectal cancer (LARC) patients receiving oxaliplatin-based neoadjuvant chemotherapy in our medical center. Correlation analysis revealed that NDRG1 positively associated with the downstaging rates and prognosis of patients...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537760/caveolin-1-autophagy-pathway-mediated-cardiomyocyte-hypertrophy-induced-by-apelin-13
#17
Di Wu, Feng Xie, Ling Xiao, Fen Feng, Shifang Huang, Lu He, Meiqing Liu, Qun Zhou, Lanfang Li, Linxi Chen
Apelin, an endogenous ligand for apelin receptor (APJ), is reported to be involved in cardiomyocyte hypertrophy. In this study, we explored the mechanism of cardiomyocyte hypertrophy induced by apelin-13/APJ system. Left ventricular hypertrophy (LVH) rat model was established by constricting the abdominal aorta. Western blots were used for protein expression in LVH rats and cultured H9c2 cardiomyocytes. Transmission electron microscopy (TEM) was used to monitor morphological features of cells. In addition, the diameter and volume of H9c2 cells were detected by Scepter™ Handheld Automated Cell Counter...
May 24, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28537226/toward-hybrid-au-nanorods-m-au-ag-pd-and-pt-core-shell-heterostructures-for-ultrasensitive-sers-probes
#18
Xiaobin Xie, Guanhui Gao, Shendong Kang, Yanhua Lei, Zhengyin Pan, Tamaki Shibayama, Lintao Cai
Being able to precisely control the morphologies of noble metallic nanostructures is of essential significance for promoting the surface-enhanced Raman scattering (SERS) effect. Herein, we demonstrate an overgrowth strategy for synthesizing Au @ M (M = Au, Ag, Pd, Pt) core-shell heterogeneous nanocrystals with an orientated structural evolution and highly improved properties by using Au nanorods as seeds. With the same reaction condition system applied, we obtain four well-designed heterostructures with diverse shapes, including Au concave nanocuboids (Au CNs), Au @ Ag crystalizing face central cube nanopeanuts, Au @ Pd porous nanocuboids and Au @ Pt nanotrepangs...
May 24, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28535663/up-regulation-of-rank-expression-via-erk1-2-by-insulin-contributes-to-the-enhancement-of-osteoclast-differentiation
#19
Ju Hee Oh, Na Kyung Lee
Despite the importance of the receptor activator of nuclear factor (NF)-kappaB ligand (RANKL)-RANK signaling mechanisms on osteoclast differentiation, little has been studied on how RANK expression is regulated or what regulates its expression during osteoclastogenesis. We show here that insulin signaling increases RANK expression, thus enhancing osteoclast differentiation by RANKL. Insulin stimulation induced RANK gene expression in time- and dose-dependent manners and insulin receptor shRNA completely abolished RANK expression induced by insulin in bone marrow-derived monocyte/ macrophage cells (BMMs)...
May 22, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28535649/-cancer-associated-fibroblasts-regulate-the-chemoresistance-of-lung-cancer-cell-line-a549-via-sdf-1-secretion
#20
F Zou, Z H Zhang, Y T Zhang, J Q Zhao, X L Zhang, C L Wen, X Y Song, W M Zhou
Objective: To investigate whether cancer-associated- fibroblasts (CAF), the key component of tumor microenvironment, regulate the chemoresistant capacity of lung cancer cell line A549 through SDF-1 secretion. Methods: Primary cell isolation techniques was used to isolate cancer-associated-fibroblasts from lung cancer patients. MTT assay was applied to determine the proliferation and chemoresistance of A549 cells. Quantative PCR was used to detect the mRNA changes of Bcl-xL. Western blotting was used to detect the protein expression of Bcl-xL...
May 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
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