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https://www.readbyqxmd.com/read/28098879/cytokines-inducers-and-inhibitors-modulate-mmp-2-and-mmp%C3%A2-9-secretion-by-human-fanconi-anemia-immortalized-fibroblasts
#1
M W Roomi, T Kalinovsky, M Rath, A Niedzwiecki
Acute myeloid leukemia and head and neck squamous cell carcinomas are the major causes of mortality and morbidity in Fanconi anemia (FA) patients. Matrix metalloproteinases (MMPs), particularly MMP-2 and MMP-9, have been implicated in tumor invasion and metastasis. Various cytokines, mitogens, growth factors, inducers and inhibitors control MMP activities. We investigated the roles of these in the regulation of MMP-2 and MMP-9 in human immortalized fibroblasts from FA. Human FA immortalized fibroblast cell lines FA-A:PD220 and FA-D2:PD20 were grown in minimum essential medium (MEM) supplemented with 15% fetal bovine serum (FBS) and antibiotics in 24-well tissue culture plates...
January 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098863/effect-and-mechanism-of-resveratrol-on-drug-resistance-in-human-bladder-cancer-cells
#2
Shanshan Wang, Qian Meng, Qing Xie, Man Zhang
Multidrug resistance (MDR) is a significant barrier to the effective treatment of bladder cancer. In order to improve the management of bladder cancer, it is crucial to identify strategies that may reverse MDR. The effects of three herbal medicines, ginsenoside Rh2, (‑)‑epigallocatechin gallate (EGCG) and resveratrol (RES) on bladder cancer were determined. The effect of these three herbal medicines against the drug resistance in adriamycin (ADM)‑resistant pumc‑91 cells (pumc‑91/ADM) was assessed using the Cell Counting Kit‑8 cell proliferation assay system...
January 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28098861/triptolide-inhibits-viability-and-induces-apoptosis-in-liver-cancer-cells-through-activation-of-the-tumor-suppressor-gene-p53
#3
Yan-Yan Sun, Lei Xiao, Dong Wang, Yan-Chao Ji, Yu-Peng Yang, Rong Ma, Xi-Hai Chen
The present study investigated the effect of triptolide on viability and apoptosis along with underlying mechanism in liver cancer cells. CCK-8 assay showed that triptolide treatment for 48 h significantly reduced the viability of HepG2 and QSG7701 cells at 50 µM concentration. Annexin V-FITC and propidium iodide staining showed that triptolide treatment of HepG2 cells at 50 µM concentrations induced apoptosis in 56.45% cells compared to only 2.36% cells in the control cultures. Western blot assay showed that treatment of HepG2 cells with 50 µM concentration of triptolide significantly induced phosphorylation of p53 in a 2 h-treatment...
January 16, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28098860/chondroitin-sulfate-proteoglycan-protein-is-stimulated-by-interleukin%C3%A2-11-and-promotes-endometrial-epithelial-cancer-cell-proliferation-and-migration
#4
Amy Winship, Michelle Van Sinderen, Ariella Heffernan-Marks, Eva Dimitriadis
Endometrial cancer is the most common gynecological cancer. We identified interleukin 11 (IL11) as a critical mediator of endometrial tumourigenesis and demonstrated that IL11 regulates chondroitin sulfate proteoglycan (CSPG4) in human placental trophoblasts. CSPG4 is a cell membrane protein overexpressed in numerous human cancers, although its role in endometrial cancer has not been investigated. We examined CSPG4 expression and localization in primary human type I endometrioid grade (G) 1-3 tumours by qPCR and immunohistochemistry and determined whether IL11 stimulated CSPG4...
January 13, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28098843/perm-hypothesis-the-fundamental-machinery-able-to-elucidate-the-role-of-xenobiotics-and-hormesis-in-cell-survival-and-homeostasis
#5
REVIEW
Salvatore Chirumbolo, Geir Bjørklund
In this article the Proteasome, Endoplasmic Reticulum and Mitochondria (PERM) hypothesis is discussed. The complex machinery made by three homeostatic mechanisms involving the proteasome (P), endoplasmic reticulum (ER) and mitochondria (M) is addressed in order to elucidate the beneficial role of many xenobiotics, either trace metals or phytochemicals, which are spread in the human environment and in dietary habits, exerting their actions on the mechanisms underlying cell survival (apoptosis, cell cycle regulation, DNA repair and turnover, autophagy) and stress response...
January 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28098453/surface-engineered-multifunctional-eu-gd2o3-nanoplates-for-targeted-and-ph-responsive-drug-delivery-and-imaging-applications
#6
Arindam Saha, Subas Chandra Mohanta, Kashmiri Deka, Pritam Deb, Parukuttyamma Sujatha Devi
In this paper, we report the synthesis of surface-engineered multifunctional Eu:Gd2O3 triangular nanoplates with small size and uniform shape via a high-temperature solvothermal technique. Surface engineering has been performed by a one-step polyacrylate coating, followed by controlled conjugation chemistry. This creates the desired number of surface functional groups that can be used to attach folic acid as a targeting ligand on the nanoparticle surface. To specifically deliver the drug molecules in the nucleus, the folate density on the nanoparticle surface has been kept low...
January 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28098340/inhibitory-effect-of-blue-light-emitting-diode-on-migration-and-invasion-of-cancer-cells
#7
Phil-Sun Oh, Hyun-Soo Kim, Eun-Mi Kim, Hyosook Hwang, Hyang Hwa Ryu, SeokTae Lim, Myung-Hee Sohn, Hwan-Jeong Jeong
The aim of this study was to determine the effects and molecular mechanism of blue light emitting diode (LED) in tumor cells. A migration and invasion assay for the metastatic behavior of mouse colon cancer CT-26 and human fibrosarcoma HT-1080 cells was performed. Cancer cell migration-related proteins were identified by obtaining a 2-dimensional gel electrophoresis (2-DE) in total cellular protein profile of blue LED-irradiated cancer cells, followed by matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) analysis of proteins...
January 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28098306/effective-viscosity-and-dynamics-of-spreading-epithelia-a-solvable-model
#8
C Blanch-Mercader, R Vincent, E Bazellières, X Serra-Picamal, X Trepat, J Casademunt
Collective cell migration in spreading epithelia in controlled environments has become a landmark in our current understanding of fundamental biophysical processes in development, regeneration, wound healing or cancer. Epithelial monolayers are treated as thin layers of a viscous fluid that exert active traction forces on the substrate. The model is exactly solvable and shows a broad range of applicabilities for the quantitative analysis and interpretation of force microscopy data of monolayers from a variety of experiments and cell lines...
January 18, 2017: Soft Matter
https://www.readbyqxmd.com/read/28098224/association-of-genome-wide-association-study-gwas-identified-snps-and-risk-of-breast-cancer-in-an-indian-population
#9
Rajini Nagrani, Sharayu Mhatre, Preetha Rajaraman, Nilanjan Chatterjee, Mohammad R Akbari, Paolo Boffetta, Paul Brennan, Rajendra Badwe, Sudeep Gupta, Rajesh Dikshit
To date, no studies have investigated the association of the GWAS-identified SNPs with BC risk in Indian population. We investigated the association of 30 previously reported and replicated BC susceptibility SNPs in 1,204 cases and 1,212 controls from a hospital based case-control study conducted at the Tata Memorial Hospital, Mumbai. As a measure of total susceptibility burden, the polygenic risk score (PRS) for each individual was defined by the weighted sum of genotypes from 21 independent SNPs with weights derived from previously published estimates of association odds-ratios...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28098215/epigenetic-modifications-at-dmrs-of-placental-genes-are-subjected-to-variations-in-normal-gestation-pathological-conditions-and-folate-supplementation
#10
Beenish Rahat, Aatish Mahajan, Rashmi Bagga, Abid Hamid, Jyotdeep Kaur
Invasive placentation and cancer development shares many similar molecular and epigenetic pathways. Paternally expressed, growth promoting genes (SNRPN, PEG10 and MEST) which are known to play crucial role in tumorogenesis, are not well studied during placentation. This study reports for the first time of the impact of gestational-age, pathological conditions and folic acid supplementation on dynamic nature of DNA and histone methylation present at their differentially methylated regions (DMRs). Here, we reported the association between low DNA methylation/H3K27me3 and higher expression of SNRPN, PEG10 and MEST in highly proliferating normal early gestational placenta...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28097872/a-dual-responsive-bola-type-supra-amphiphile-constructed-from-water-soluble-pillar-5-arene-and-naphthalimide-containing-amphiphile-for-intracellular-drug-delivery
#11
Xin Liu, Keke Jia, Yichen Wang, Wei Shao, Chenhao Yao, Luming Peng, Dongmei Zhang, Xiao-Yu Hu, Leyong Wang
Supramolecular construction of multi-stimuli platform for drug delivery is a challenging task. In this work, a pH and GSH (glutathione) dual-responsive bola-type supramolecular amphiphile was successfully fabricated by the complexation between a water-soluble pillar[5]arene (WP5) and a bolaform naphthalimide guest (G) in water. The resulting bola-type amphiphile further self-assembled into supramolecular binary vesicles, which could be disassembled by low pH and/or high GSH concentration environment. Furthermore, the results of drug loading and releasing tests showed that doxorubicin (DOX), the hydrophobic anticancer drug, could be successfully encapsulated into the Stern region of the obtained supramolecular vesicles and generated the DOX-loaded vesicles with good drug-loading efficiency...
January 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28097871/redox-responsive-self-assembly-micelles-from-poly-n-acryloylmorpholine-block-2-acryloyloxyethyl-ferrocene-carboxylate-amphiphilic-block-copolymers-as-drug-release-carriers
#12
Feng Xu, He Li, Yan-Ling Luo, Wei Tang
Novel well-defined redox-responsive ferrocene-containing amphiphilic block copolymers (PACMO-b-PAEFC) were synthesized by ATRP, with poly(N-acryloylmorpholine) (PACMO) as hydrophilic blocks and poly(2-acryloyloxyethyl ferrocenecarboxylate) (PAEFC) as hydrophobic blocks. The copolymers were characterized by FTIR, 1H NMR, and gel permeation chromatography, and the crystalline behavior was determined by X-ray diffraction and small-angle X-ray scattering. The results showed that the size of the lamellar crystals and crystallinity vary with the systematic compositions while the periodic structure of the lamellar stacks has no obvious change...
January 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28097809/cancer-associated-fibroblasts-promote-m2-polarization-of-macrophages-in-pancreatic-ductal-adenocarcinoma
#13
Aibin Zhang, Yigang Qian, Zhou Ye, Haiyong Chen, Haiyang Xie, Lin Zhou, Yan Shen, Shusen Zheng
Pancreatic ductal adenocarcinoma (PDAC) is characterized by remarkable desmoplasia with infiltration of distinct cellular components. Cancer-associated fibroblasts (CAFs) has been shown to be among the most prominent cells and played a significant role in shaping the tumor microenvironment by interacting with other type of cells. Here, we aimed to investigate the effect of CAFs in modulating phenotype of tumor-associated macrophages (TAM). Under treatment of CAFs conditioned medium (CM) or direct co-culture with CAFs, monocytes exhibited enhanced expression of CD206 and CD163 compared with control group (P < 0...
January 18, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28097656/palliation-and-breast-cancer
#14
REVIEW
Cheng-Har Yip
Metastatic breast cancer is an incurable disease. With improvement in systemic therapy, survival has improved over the past few years. Removing the primary tumor has shown improved survival in retrospective studies, but this may be due to selection bias. The first reported randomized controlled trial (RCT) from India showed no difference in survival with surgery. However another RCT from Turkey showed that a select group of patient with bone-only metastases have a survival benefit.
January 18, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28097626/peer-mentors-delivering-a-physical-activity-intervention-for-cancer-survivors-effects-among-mentors
#15
Bernardine M Pinto, Shira Dunsiger, Kevin Stein, Chelsey Kamson
To further inform implementation efforts of a telephone-based physical activity (PA) intervention for breast cancer survivors, we assessed the PA, fatigue, mood, and quality of life of the peer mentors/coaches who delivered the program. The coaches were volunteers with the American Cancer Society's Reach to Recovery program. The coaches (n = 18) delivered the PA intervention to 76 breast cancer survivors in a randomized controlled trial. Coaches completed assessments of PA (self-report), motivational readiness for PA, and standardized measures of psychosocial variables at the start of coaching and at study exit...
January 17, 2017: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/28097625/effects-of-a-web-based-intervention-on-women-s-breast-health-behaviors
#16
Deborah J Bowen, Robert Robbins, Nigel Bush, Hendrika Meischke, Abi Ludwig, Jean Wooldridge
Helping women make choices to reduce cancer risk and to improve breast health behaviors is important, but the best ways to reach more people with intervention assistance is not known. To test the efficacy of a web-based intervention designed to help women make better breast health choices, we adapted our previously tested, successful breast health intervention package to be delivered on the Internet, and then we tested it in a randomized trial. We recruited women from the general public to be randomized to either an active intervention group or a delayed intervention control group...
January 17, 2017: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/28097532/medication-overuse-in-chronic-pain
#17
REVIEW
Eric S Hsu
PURPOSE OF REVIEW: Chronic pain is usually managed by various pharmacotherapies after exhausting the conservative modalities such as over-the-counter choices. The goal of this review is to investigate current state of opioids and non-opioid medication overuse that includes NSAIDs, skeletal muscle relaxants, antidepressants, membrane stabilization agents, and benzodiazepine. How to minimize medication overuse and achieve better outcome in chronic pain management? RECENT FINDINGS: Although antidepressants and membrane stabilization agents contribute to the crucial components for neuromodulation, opioids were frequently designated as a rescue remedy in chronic pain since adjunct analgesics usually do not provide instantaneous relief...
January 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28097515/distress-is-interdependent-in-patients-and-caregivers-with-newly-diagnosed-incurable-cancers
#18
Jamie M Jacobs, Kelly M Shaffer, Ryan D Nipp, Joel N Fishbein, James MacDonald, Areej El-Jawahri, William F Pirl, Vicki A Jackson, Elyse R Park, Jennifer S Temel, Joseph A Greer
BACKGROUND: Individuals with advanced, incurable cancer often experience high physical and psychological symptom burden. Family and friend caregivers are at risk for emotional distress. PURPOSE: The aim of the study is to investigate the interrelationship of distress in patient-caregiver dyads at the time of newly diagnosed incurable cancer. METHODS: From May 2011 to July 2015, within 8 weeks of diagnosis of advanced lung or noncolorectal gastrointestinal cancer, 350 patients and 275 family caregivers were enrolled in a randomized controlled trial of early palliative care...
January 17, 2017: Annals of Behavioral Medicine: a Publication of the Society of Behavioral Medicine
https://www.readbyqxmd.com/read/28097471/experiences-and-perceptions-regarding-clinical-breast-exam-screening-by-trained-laywomen-in-malawi
#19
Racquel E Kohler, Anna R Miller, Lily Gutnik, Clara N Lee, Satish Gopal
PURPOSE: Despite the increasing burden, breast cancer control in sub-Saharan Africa is insufficient. Late diagnosis and lack of early detection and screening services contribute to high mortality. Clinical breast exam (CBE) screening can be valuable in low-income countries, including use of community health workers and non-health professionals to conduct exams. We assessed experiences of women who underwent CBE screening by trained laywomen in Lilongwe, Malawi, as part of a pilot program...
January 17, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28097433/early-integration-of-palliative-supportive-cancer-care-healthcare-professionals-perspectives-on-the-support-needs-of-cancer-patients-and-their-caregivers-across-the-cancer-treatment-trajectory
#20
Amy Rohrmoser, Martina Preisler, Konrad Bär, Anne Letsch, Ute Goerling
PURPOSE: Delivering palliative/supportive cancer care (PSCC) early in the course of cancer care can enhance patients' and caregivers' quality of life, reduce anxiety and depression, and prolong patients' lives. However, their support needs are analyzed insufficiently from viewpoints other than their own. The goal of this study was to explore the perspectives of healthcare professionals on desirable standards of support for tumor patients and caregivers across the cancer treatment trajectory...
January 17, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
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