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https://www.readbyqxmd.com/read/29332455/dna-repair-mechanism-gene-xrcc1a-arg194trp-but-not-xrcc3-thr241met-polymorphism-increased-the-risk-of-breast-cancer-in-premenopausal-females-a-case-control-study-in-northeastern-region-of-india
#1
K Rekha Devi, Jishan Ahmed, Kanwar Narain, Kaustab Mukherjee, Gautam Majumdar, Saia Chenkual, Jason C Zonunmawia
X-ray repair cross complementary group gene is one of the most studied candidate gene involved in different types of cancers. Studies have shown that X-ray repair cross complementary genes are significantly associated with increased risk of breast cancer in females. Moreover, studies have revealed that X-ray repair cross complementary gene polymorphism significantly varies between and within different ethnic groups globally. The present case-control study was aimed to investigate the association of X-ray repair cross complementary 1A (Arg194Trp) and X-ray repair cross complementary 3 (Thr241Met) polymorphism with the risk of breast cancer in females from northeastern region of India...
December 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29329898/-prognostic-of-older-age-for-patients-with-invasive-muscle-bladder-cancer-and-treated-by-radical-cystectomy
#2
Y Dehayni, M Tetou, Y Khdach, A Janane, M Alami, A Ameur
INTRODUCTION: Bladder tumor is a disease of older persons, but can also occur in young adults, because certainly an influence of environmental factors and a change of lifestyle. The aim of our retrospective analysis is to assess and evaluate the extent of the prognostic impact of age on the carcinological prognosis of invasive-muscle-bladder cancer treated by total cystotomy. METHODS: To evaluate the association of patient age with pathological characteristics and recurrence-free and disease survival, we retrospectively reviewed 345 patients with invasive bladder cancer between January 2000 and January 2015...
January 9, 2018: Progrès en Urologie
https://www.readbyqxmd.com/read/29324050/the-roles-of-adjuvant-supplements-in-colorectal-cancer-patients-on-chemotherapy-reaping-benefits-from-metabolic-crosstalk
#3
Babak Golkhalkhali, Audra Shaleena Paliany, Kin Fah Chin, Retnagowri Rajandram
The prevalence of colorectal cancer (CRC) is on a steady rise over the years, with the World Health Organization (WHO) reporting CRC as the fourth leading cause of cancer-related death worldwide. While treatment modalities may differ in accordance to the staging and severity of the disease itself, chemotherapy is almost unavoidable in most cases. Though effective in its mode of action, chemotherapy is commonly associated with undesirable side effects that negatively affects the patient in terms of quality of life, and in some cases may actually interfere with their treatment regimens, thus escalating to poor prognosis...
January 11, 2018: Nutrition and Cancer
https://www.readbyqxmd.com/read/29322935/classifying-cancer-genome-aberrations-by-their-mutually-exclusive-effects-on-transcription
#4
Jonathan B Dayton, Stephen R Piccolo
BACKGROUND: Malignant tumors are typically caused by a conglomeration of genomic aberrations-including point mutations, small insertions, small deletions, and large copy-number variations. In some cases, specific chemotherapies and targeted drug treatments are effective against tumors that harbor certain genomic aberrations. However, predictive aberrations (biomarkers) have not been identified for many tumor types and treatments. One way to address this problem is to examine the downstream, transcriptional effects of genomic aberrations and to identify characteristic patterns...
December 21, 2017: BMC Medical Genomics
https://www.readbyqxmd.com/read/29318539/identification-of-protease-cleavage-sites-and-substrates-in-cancer-by-carboxy-tails-c-tails
#5
Nestor Solis, Christopher M Overall
Determination of drug targets and development of novel therapeutics for the treatment of different cancers are actively ongoing areas of research. Proteases being the second largest group of enzymes in humans present themselves as attractive targets for blocking and activation to treat malignancies. However, determination of the protease cleavage substrates is often missed by utilizing conventional modern proteomic approaches. The relatively low abundance of proteolytically processed, and mostly semi-tryptic, peptides compared to tryptic peptides generated in shotgun proteomics compounded with their poorer identification rates makes the identification of such critical peptides challenging and so are mostly overlooked...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29318022/clinical-trial-experience-with-ca4p-anticancer-therapy-focus-on-efficacy-cardiovascular-adverse-events-and-hypertension-management
#6
REVIEW
Rachel Grisham, Bonnie Ky, Krishnansu S Tewari, David J Chaplin, Joan Walker
Combretastatin A4-phosphate (CA4P) is a vascular-disrupting agent (VDA) in clinical development for the treatment of ovarian and other cancers. In contrast to antiangiogenic agents, such as bevacizumab, which suppress the development of new tumor vasculature, VDAs target established tumor vasculature. These differing but complementary mechanisms of action are currently being explored in clinical trials combining CA4P and bevacizumab. Clinical experience to date has highlighted an important need to better understand the cardiovascular adverse events of CA4P, both alone and in combination with antiangiogenic agents, which can also be associated with cardiovascular adverse events...
2018: Gynecologic Oncology Research and Practice
https://www.readbyqxmd.com/read/29317551/characteristics-of-real-world-metastatic-non-small-cell-lung-cancer-patients-treated-with-nivolumab-and-pembrolizumab-during-the-year-following-approval
#7
Sean Khozin, Amy P Abernethy, Nathan C Nussbaum, Jizu Zhi, Melissa D Curtis, Melisa Tucker, Shannon E Lee, David E Light, Anala Gossai, Rachael A Sorg, Aracelis Z Torres, Payal Patel, Gideon Michael Blumenthal, Richard Pazdur
BACKGROUND: Evidence from cancer clinical trials can be difficult to generalize to real-world patient populations, but can be complemented by real-world evidence to optimize personalization of care. Further, real-world usage patterns of programmed cell death protein 1 (PD-1) inhibitors following approval can inform future studies of subpopulations underrepresented in clinical trials. MATERIALS AND METHODS: We performed a multicenter analysis using electronic health record data collected during routine care of patients treated in community cancer care clinics in the Flatiron Health network...
January 9, 2018: Oncologist
https://www.readbyqxmd.com/read/29317347/using-virtual-reality-to-control-preoperative-anxiety-in-ambulatory-surgery-patients-a-pilot-study-in-maxillofacial-and-plastic-surgery
#8
L Ganry, B Hersant, M SidAhmed-Mezi, G Dhonneur, J P Meningaud
INTRODUCTION: Preoperative anxiety may lead to medical and surgical complications, behavioral problems and emotional distress. The most common means of prevention are based on using medication and, more recently, hypnosis. The aim of our study was to determine whether a virtual reality (VR) program presenting natural scenes could be part of a new therapy to reduce patients' preoperative anxiety. MATERIALS AND METHODS: Our prospective pilot study consisted of a single-blind trial in skin cancer surgery at the Henri Mondor Teaching Hospital in France...
January 6, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29317100/-practices-in-infectious-pathology-in-france-in-2015-results-of-the-national-survey
#9
Arnault Tauziède-Espariat, Fabrice Chrétien, Grégory Jouvion, Homa Alde-Biassette, Paul Hofman
Pathologists have been, are and will be always implicated in the diagnosis of infectious and tropical diseases. The resurgence of opportunistic infections due to the development of immunosuppressive drugs, the increase of migratory involvements draining tropical infections and the last epidemics spotlight the importance of pathologists in the field of infectious diseases. However, cancer is nowadays the first preoccupation of pathologists, which is constantly subject to evaluate diagnostic and prognostic markers and factors predictive to targeted therapy response or immunotherapy...
January 6, 2018: Annales de Pathologie
https://www.readbyqxmd.com/read/29315863/activatable-protein-nanoparticles-for-targeted-delivery-of-therapeutic-peptides
#10
Xi Yu, Xingchun Gou, Peng Wu, Liang Han, Daofeng Tian, Fengyi Du, Zeming Chen, Fuyao Liu, Gang Deng, Ann T Chen, Chao Ma, Jun Liu, Sara M Hashmi, Xing Guo, Xiaolong Wang, Haitian Zhao, Xinran Liu, Xudong Zhu, Kevin Sheth, Qianxue Chen, Louzhen Fan, Jiangbing Zhou
Clinical translation of therapeutic peptides, particularly those that require penetration of the cell membrane or are cytolytic, is a major challenge. A novel approach based on a complementary mechanism, which has been widely used for guided synthesis of DNA or RNA nanoparticles, for de novo design of activatable protein nanoparticles (APNPs) for targeted delivery of therapeutic peptides is described. APNPs are formed through self-assembly of three independent polypeptides based on pairwise coiled-coil dimerization...
January 8, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29313183/predictors-of-unknown-cancer-in-patients-with-ischemic-stroke
#11
Sonia Quintas, Jacobo Rogado, Pedro Gullón, Vilma Pacheco-Barcia, Julio Dotor García-Soto, Gemma Reig-Roselló, Rebeca Mondéjar, Ramón Colomer, Jose Vivancos
Stroke is the second most frequent neurologic finding in postmortem studies of cancer patients. It has also been described as the first expression of an occult cancer. We have studied patients diagnosed with cancer after an ischemic stroke (IS) and we analyze differences with non-tumor patients. Single cohort longitudinal retrospective study of patients admitted to our center with IS diagnosis from 1 January 2012 to 12 December 2014. All patients were followed for 18 months. Patients with transient ischemic infarction or cerebral hemorrhage, active cancer or in the last 5 years, inability to follow-up or absence of complete complementary study (holter-EKG, echocardiogram, and dupplex/angiography-CT) were excluded...
January 8, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29311294/glycoengineering-of-antibody-herceptin-through-yeast-expression-and-in-vitro-enzymatic-glycosylation
#12
Chiu-Ping Liu, Tsung-I Tsai, Ting Cheng, Vidya S Shivatare, Chung-Yi Wu, Chung-Yi Wu, Chi-Huey Wong
Monoclonal antibodies (mAbs) have been developed as therapeutics, especially for the treatment of cancer, inflammation, and infectious diseases. Because the glycosylation of mAbs in the Fc region influences their interaction with effector cells that kill antibody-targeted cells, and the current method of antibody production is relatively expensive, efforts have been directed toward the development of alternative expressing systems capable of large-scale production of mAbs with desirable glycoforms. In this study, we demonstrate that the mAb trastuzumab expressed in glycoengineered P...
January 8, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29310626/mgat1-is-a-novel-transcriptional-target-of-wnt-%C3%AE-catenin-signaling-pathway
#13
Izzet Akiva, Necla Birgül Iyison
BACKGROUND: The Wnt/β-catenin signaling pathway is an evolutionary conserved pathway, which has important functions in vertebrate early development, axis formation, cellular proliferation and morphogenesis. Additionally, Wnt/β-catenin signaling pathway is one of the most important intracellular pathways that controls cancer progression. To date most of the identified targets of this pathway are shown to harbor tumorigenic properties. We previously showed that Mannosyl glycoprotein acetylglucosaminyl-transferase (MGAT1) enzyme is among the Wnt/β-catenin signaling putative target genes in hepatocellular carcinoma cell lines (Huh7)...
January 8, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29310244/a-dual-targeting-dna-tetrahedron-nanocarrier-for-breast-cancer-cell-imaging-and-drug-delivery
#14
Xiaoting Liu, Lina Wu, Lei Wang, Wei Jiang
To enhance efficacy of chemotherapy and achieve real-time imaging of cancer cells, it is crucial to develop nanocarriers with targeted drug delivery capacity and fluorescence property for cancer theranostics. Herein, a dual-targeting DNA tetrahedron nanocarrier (MUC1-Td-AS1411) was constructed for breast cancer cell imaging and targeted drug delivery. This nanocarrier consisted of three components: (i) DNA tetrahedron core for multivalent conjugation of function ligands and loading doxorubicin (Dox); (ii) activatable MUC1 aptamer probe (MUC1-probe), formed by the hybridization of MUC1 aptamer sequence with fluorophore extended from one vertex and complementary sequence with quencher, for targeting and imaging MUC1 protein on cytomembrane; (iii) AS1411 aptamer, which was hybridized to the overhang on three vertexes via prolonged sequence, for binding to nucleolin...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29306747/heterocellular-3d-scaffolds-as-biomimetic-to-recapitulate-the-tumor-microenvironment-of-peritoneal-metastases-in%C3%A2-vitro-and-in%C3%A2-vivo
#15
Emiel De Jaeghere, Elly De Vlieghere, Jasper Van Hoorick, Sandra Van Vlierberghe, Glenn Wagemans, Leen Pieters, Elodie Melsens, Marleen Praet, Jo Van Dorpe, Matthieu N Boone, Rouba Ghobeira, Nathalie De Geyter, Marc Bracke, Christian Vanhove, Sara Neyt, Geert Berx, Bruno G De Geest, Peter Dubruel, Heidi Declercq, Wim Ceelen, Olivier De Wever
Peritoneal metastasis is a major cause of death and preclinical models are urgently needed to enhance therapeutic progress. This study reports on a hybrid hydrogel-polylactic acid (PLA) scaffold that mimics the architecture of peritoneal metastases at the qualitative, quantitative and spatial level. Porous PLA scaffolds with controllable pore size, geometry and surface properties are functionalized by type I collagen hydrogel. Co-seeding of cancer-associated fibroblasts (CAF) increases cancer cell adhesion, recovery and exponential growth by in situ heterocellular spheroid formation...
December 23, 2017: Biomaterials
https://www.readbyqxmd.com/read/29299785/investigation-into-complementary-and-integrative-health-approaches-for-turkish-patients-with-gastrointestinal-cancer
#16
Seda Pehlivan, Ali Süner, Yasemin Yıldırım, Çiçek Fadıloğlu
The study was conducted to determine the levels of usage of complementary and integrative health (CIH) approaches and the symptoms experienced by Turkish patients with gastrointestinal cancer. A descriptive study was conducted on 81 patients with gastrointestinal cancer attending the medical oncology department of an oncology hospital. In the data collection stage, the patient description form that prepared by the researchers and the "Edmonton Symptom Assessment Scale" were used. Data were evaluated via Chi-square and student t test...
January 3, 2018: Journal of Religion and Health
https://www.readbyqxmd.com/read/29296234/the-pyrazolyl-urea-gege3-inhibits-tumor-angiogenesis-and-reveals-dystrophia-myotonica-protein-kinase-dmpk-1-as-a-novel-angiogenesis-target
#17
Elda Meta, Beat A Imhof, Patricia Ropraz, Richard J Fish, Chiara Brullo, Olga Bruno, Adama Sidibé
The limitation of targeting VEGF/VEGFR2 signalling to stop angiogenesis in cancer therapy has been blamed on re-activation of alternative receptor tyrosine kinases by compensatory angiogenic factors. Targeting MAPK and PI3K signaling pathways in endothelial cells may be an alternative or complementary approach. Herein we aimed to evaluate the antitumor and antiangiogenic potential of a novel pyrazolyl-urea kinase inhibitor, GeGe3, and to identify its kinase targets. We found GeGe3 to inhibit the proliferation of HUVEC and endothelial tube formation...
December 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/29291379/binding-folding-and-insertion-of-a-%C3%AE-hairpin-peptide-at-a-lipid-bilayer-surface-influence-of-electrostatics-and-lipid-tail-packing
#18
Keon A Reid, Caitlin M Davis, R Brian Dyer, James T Kindt
Antimicrobial peptides (AMPs) act as host defenses against microbial pathogens. Here we investigate the interactions of SVS-1 (KVKVKVKVDPLPTKVKVKVK), an engineered AMP and anti-cancer β-hairpin peptide, with lipid bilayers using spectroscopic studies and atomistic molecular dynamics simulations. In agreement with literature reports, simulation and experiment show preferential binding of SVS-1 peptides to anionic over neutral bilayers. Fluorescence and circular dichroism studies of a Trp-substituted SVS-1 analog indicate, however, that it will bind to a zwitterionic DPPC bilayer under high-curvature conditions and folds into a hairpin...
December 29, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29290950/human-fibulin-3-protein-variant-expresses-anti-cancer-effects-in-the-malignant-glioma-extracellular-compartment-in-intracranial-xenograft-models
#19
Yanyan Li, Yuan Hu, Chuanjin Liu, Qingyue Wang, Xiaoxiao Han, Yong Han, Xue-Shun Xie, Xiong-Hui Chen, Xiang Li, Eric R Siegel, Kambiz Afrasiabi, Mark E Linskey, You-Xin Zhou, Yi-Hong Zhou
Background: Decades of cytotoxic and more recently immunotherapy treatments for malignant glioma have had limited success due to dynamic intra-tumoral heterogeneity. The dynamic interplay of cancer cell subpopulations has been found to be under the control of proteins in the cancer microenvironment. EGF-containing fibulin-like extracellular matrix protein (EFEMP1) (also fibulin-3) has the multiple functions of suppressing cancer growth and angiogenesis, while promoting cancer cell invasion...
December 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/29287594/comprehensive-molecular-biomarker-identification-in-breast-cancer-brain-metastases
#20
Hans-Juergen Schulten, Mohammed Bangash, Sajjad Karim, Ashraf Dallol, Deema Hussein, Adnan Merdad, Fatma K Al-Thoubaity, Jaudah Al-Maghrabi, Awatif Jamal, Fahad Al-Ghamdi, Hani Choudhry, Saleh S Baeesa, Adeel G Chaudhary, Mohammed H Al-Qahtani
BACKGROUND: Breast cancer brain metastases (BCBM) develop in about 20-30% of breast cancer (BC) patients. BCBM are associated with dismal prognosis not at least due to lack of valuable molecular therapeutic targets. The aim of the study was to identify new molecular biomarkers and targets in BCBM by using complementary state-of-the-art techniques. METHODS: We compared array expression profiles of three BCBM with 16 non-brain metastatic BC and 16 primary brain tumors (prBT) using a false discovery rate (FDR) p < 0...
December 29, 2017: Journal of Translational Medicine
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