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https://www.readbyqxmd.com/read/28230241/results-of-a-phase-ii-open-label-non-comparative-study-of-intralesional-pv-10-followed-by-radiotherapy-for-the-treatment-of-in-transit-or-metastatic-melanoma
#1
Matthew Foote, Tavis Read, Janine Thomas, Michael Wagels, Bryan Burmeister, B Mark Smithers
BACKGROUND: In-transit and recurrent dermal or subcutaneous melanoma metastases represent a significant burden of advanced disease. Intralesional Rose Bengal can elicit tumor selective ablation and a T-cell mediated abscopal effect in untreated lesions. A subset of patients in a phase II trial setting received external beam radiotherapy to their recurrent lesions with complete or partial response and no significant acute radiation reaction. METHODS: An open-label, single-arm phase II study was performed to assess the efficacy and safety of PV-10 followed by hypofractionated radiotherapy...
February 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28228841/an-update-on-the-management-of-breast-cancer-in-africa
#2
REVIEW
V Vanderpuye, S Grover, N Hammad, PoojaPrabhakar, H Simonds, F Olopade, D C Stefan
BACKGROUND: There is limited information about the challenges of cancer management and attempts at improving outcomes in Africa. Even though South and North Africa are better resourceds to tackle the burden of breast cancer, similar poor prognostic factors are common to all countries. The five-year overall Survival rate for breast cancer patients does not exceed 60% for any low and middle-income country (LMIC) in Africa. In spite of the gains achieved over the past decade, certain characteristics remain the same such as limited availability of breast conservation therapies, inadequate access to drugs, few oncology specialists and adherence to harmful socio-cultural practices...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28228708/local-resection-of-primary-tumor-in-upfront-stage-iv-breast-cancer
#3
Thomas Kolben, Theresa M Kolben, Isabelle Himsl, Tom Degenhardt, Jutta Engel, Rachel Wuerstlein, Sven Mahner, Nadia Harbeck, Steffen Kahlert
BACKGROUND: This study aimed to identify the association of local surgery of the primary tumor in metastatic breast cancer (MBC) patients with overall survival (OS) and prognostic factors. PATIENTS AND METHODS: Patients with primary MBC (1990-2006) were included in our retrospective analysis (n = 236). 83.1% had surgery for the primary tumor. OS was evaluated using Kaplan-Meier estimates. Predictive factors for OS were determined. RESULTS: Median follow-up was 123 months for all patients still alive at the time of analysis...
December 2016: Breast Care
https://www.readbyqxmd.com/read/28227864/automatic-segmentation-of-multimodal-brain-tumor-images-based-on-classification-of-super-voxels
#4
M Kadkhodaei, S Samavi, N Karimi, H Mohaghegh, S M R Soroushmehr, K Ward, A All, K Najarian, M Kadkhodaei, S Samavi, N Karimi, H Mohaghegh, S M R Soroushmehr, K Ward, A All, K Najarian, K Ward, S M R Soroushmehr, A All, S Samavi, M Kadkhodaei, H Mohaghegh, K Najarian, N Karimi
Despite the rapid growth in brain tumor segmentation approaches, there are still many challenges in this field. Automatic segmentation of brain images has a critical role in decreasing the burden of manual labeling and increasing robustness of brain tumor diagnosis. We consider segmentation of glioma tumors, which have a wide variation in size, shape and appearance properties. In this paper images are enhanced and normalized to same scale in a preprocessing step. The enhanced images are then segmented based on their intensities using 3D super-voxels...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226363/coagulation-profile-in-patients-with-different-etiologies-for-cushing-syndrome-a-prospective-observational-study
#5
Amit Tirosh, Maya Lodish, Charalampos Lyssikatos, Elena Belyavskaya, Richard A Feelders, Constantine A Stratakis
Previous studies reported a higher prevalence of venous-thromboembolic events among patients with Cushing disease (CD) compared to those with ACTH-independent Cushing syndrome (CS) from adrenal sources. The objective of the current study was to evaluate the coagulation profile of patients with CS from different etiologies. A prospective observational study was conducted at a clinical research center. The study included adult patients admitted for evaluation of suspected CS (n=85), that were divided into 3 groups: CD (n=22), ACTH-independent CS from an adrenal tumor/hyperplasia (adrenal CS, n=21), and a control group consisting of subjects with negative screening for CS (rule-out CS, n=42)...
February 22, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28220815/cbx3-hp1%C3%AE-deficiency-confers-enhanced-tumor-killing-capacity-on-cd8-t-cells
#6
Michael Sun, Ngoc Ha, Duc-Hung Pham, Megan Frederick, Bandana Sharma, Chie Naruse, Masahide Asano, Matthew E Pipkin, Rani E George, To-Ha Thai
Cbx3/HP1γ is a histone reader whose function in the immune system is not completely understood. Here, we demonstrate that in CD8(+) T cells, Cbx3/HP1γ insufficiency leads to chromatin remodeling accompanied by enhanced Prf1, Gzmb and Ifng expression. In tumors obtained from Cbx3/HP1γ-insufficient mice or wild type mice treated with Cbx3/HP1γ-insufficient CD8(+) T cells, there is an increase of CD8(+) effector T cells expressing the stimulatory receptor Klrk1/NKG2D, a decrease in CD4(+) CD25(+) FOXP3(+) regulatory T cells (Treg cells) as well as CD25(+) CD4(+) T cells expressing the inhibitory receptor CTLA4...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28219836/donor-lymphocyte-infusion-for-relapsed-hematological-malignancies-after-unrelated-allogeneic-bone-marrow-transplantation-facilitated-by-the-japan-marrow-donor-program
#7
Toshihiro Miyamoto, Takahiro Fukuda, Marie Nakashima, Tomoko Henzan, Shinsuke Kusakabe, Naoki Kobayashi, Junichi Sugita, Takeshi Mori, Mineo Kurokawa, Shin-Ichiro Mori
To evaluate the safety and efficacy of donor lymphocyte infusion (DLI), we retrospectively analyzed 414 recipients who received unrelated DLI (UDLI) for the treatment of relapsed hematological malignancy after unrelated bone marrow transplantation (BMT). UDLI was administered for acute myelogenous leukemia (n=184), myelodysplastic syndrome (n=69), acute lymphocytic leukemia (n=57), chronic myelogenous leukemia (CML, n=36), lymphoid neoplasms (n=38), adult T-cell leukemia/lymphoma (n=18), and multiple myeloma (n=12)...
February 17, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28216882/anticancer-potential-of-nutraceutical-formulations-in-mnu-induced-mammary-cancer-in-sprague-dawley-rats
#8
Gummalla Pitchaiah, Annapurna Akula, Vishala Chandi
BACKGROUND: Nutraceuticals help in combating some of the major health problems of the century including cancer, and 'nutraceutical formulations' have led to the new era of medicine and health. OBJECTIVE: To develop different nutraceutical formulations and to assess the anticancer potential of nutraceutical formulations in N-methyl-N-nitrosourea (MNU)-induced mammary cancer in Sprague Dawley rats. MATERIALS AND METHODS: Different nutraceutical formulations were prepared using fine powders of amla, apple, garlic, onion, papaya, turmeric, and wheat grass with and without cow urine distillate...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28216624/dual-targeted-hybrid-nanoparticles-of-synergistic-drugs-for-treating-lung-metastases-of-triple-negative-breast-cancer-in-mice
#9
Tian Zhang, Preethy Prasad, Ping Cai, Chunsheng He, Dan Shan, Andrew Michael Rauth, Xiao Yu Wu
Lung metastasis is the major cause of death in patients with triple negative breast cancer (TNBC), an aggressive subtype of breast cancer with no effective therapy at present. It has been proposed that dual-targeted therapy, ie, targeting chemotherapeutic agents to both tumor vasculature and cancer cells, may offer some advantages. The present work was aimed to develop a dual-targeted synergistic drug combination nanomedicine for the treatment of lung metastases of TNBC. Thus, Arg-Gly-Asp peptide (RGD)-conjugated, doxorubicin (DOX) and mitomycin C (MMC) co-loaded polymer-lipid hybrid nanoparticles (RGD-DMPLN) were prepared and characterized...
February 20, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28214773/the-usefulness-of-bone-biomarkers-for-monitoring-treatment-disease-a-comparative-study-in-osteolytic-and-osteosclerotic-bone-metastasis-models
#10
Marta Martín-Fernández, Karmele Valencia, Carolina Zandueta, Cristina Ormazábal, Susana Martínez-Canarias, Fernando Lecanda, Concepción de la Piedra
BACKGROUND: The skeleton is the most common site of colonization by metastatic cancers. Zoledronic acid (ZA) has been shown to be effective for the treatment of bone metastases regardless of whether the bone lesions are osteolytic or osteoblastic. Biochemical markers of bone turnover may be useful tools to quantify the degree of bone remodeling in the presence of bone metastases. The aim of this work was to establish the correlation between tumor dispersion (bioluminescence) and biochemical markers of bone turnover in two osteolytic and osteoblastic metastasis models in mice...
February 16, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28211941/upfront-window-vincristine-irinotecan-treatment-of-high-risk-hepatoblastoma-a-report-from-the-children-s-oncology-group-ahep0731-study-committee
#11
Howard M Katzenstein, Wayne L Furman, Marcio H Malogolowkin, Mark D Krailo, M Beth McCarville, Alexander J Towbin, Greg M Tiao, Milton J Finegold, Sarangarajan Ranganathan, Stephen P Dunn, Max R Langham, Eugene D McGahren, Carlos Rodriguez-Galindo, Rebecka L Meyers
BACKGROUND: The identification of new therapies for high-risk (HR) hepatoblastoma is challenging. Children's Oncology Group study AHEP0731 included a HR stratum to explore the efficacy of novel agents. Herein, the authors report the response rate to the combination of vincristine (V) and irinotecan (I) and the outcome of patients with high-risk hepatoblastoma. METHODS: Patients with newly diagnosed metastatic hepatoblastoma or those with a serum α-fetoprotein (AFP) level <100 ng/mL were eligible...
February 17, 2017: Cancer
https://www.readbyqxmd.com/read/28210881/comprehensive-genomic-profiling-of-malignant-phyllodes-tumors-of-the-breast
#12
Sahar Nozad, Christine E Sheehan, Laurie M Gay, Julia A Elvin, Jo-Anne Vergilio, James Suh, Shakti Ramkissoon, Alexa B Schrock, Kim M Hirshfield, Nadia Ali, Shridar Ganesan, Siraj M Ali, Vincent A Miller, Philip J Stephens, Jeffrey S Ross, Jon H Chung
PURPOSE: Malignant phyllodes tumors (MPT) are exceptionally rare, and the genomic drivers of these tumors are still being elucidated. We performed comprehensive genomic profiling (CGP) of MPT to identify genomic alterations that will inform approaches to targeted therapy for patients with MPT, including relapsed, refractory, and metastatic disease. METHODS: DNA was extracted from formalin-fixed, paraffin-embedded samples from 24 consecutive patient cases of MPT...
February 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28209562/vinexin-%C3%AE-ablation-inhibits-atherosclerosis-in-apolipoprotein-e-deficient-mice-by-inactivating-the-akt-nuclear-factor-%C3%AE%C2%BAb-inflammatory-axis
#13
Hongjing Guan, Wen-Lin Cheng, Junhong Guo, Meng-Lin Chao, Yan Zhang, Jun Gong, Xue-Yong Zhu, Zhi-Gang She, Zan Huang, Hongliang Li
BACKGROUND: Vinexin β is a novel adaptor protein that regulates cellular adhesion, cytoskeletal reorganization, signal transduction, and transcription; however, the exact role that vinexin β plays in atherosclerosis remains unknown. METHODS AND RESULTS: Immunoblot analysis showed that vinexin β expression is upregulated in the atherosclerotic lesions of both patients with coronary heart disease and hyperlipemic apolipoprotein E-deficient mice and is primarily localized in macrophages indicated by immunofluorescence staining...
February 16, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28207184/an-im-penetrable-shield-how-the-tumor-microenvironment-protects-cancer-stem-cells
#14
Theresa Relation, Massimo Dominici, Edwin M Horwitz
Cancer stem cells (CSCs) are defined by their unlimited self-renewal ability and their capacity to initiate and maintain malignancy, traits that are not found in most cells that comprise the tumor. Although current cancer treatments successfully reduce tumor burden, the tumor will likely recur unless CSCs are effectively eradicated. This challenge is made greater by the protective impact of the tumor microenvironment (TME), consisting of infiltrating immune cells, endothelial cells, extracellular matrix, and signaling molecules...
February 16, 2017: Stem Cells
https://www.readbyqxmd.com/read/28205579/tim-3-inhibits-macrophage-control-of-listeria-monocytogenes-by-inhibiting-nrf2
#15
Zhiding Wang, Dejun Sun, Guojiang Chen, Ge Li, Shuaijie Dou, Renxi Wang, He Xiao, Chunmei Hou, Yan Li, Jiannan Feng, Beifen Shen, Gencheng Han
T cell immunoglobulin mucin-3 (Tim-3) is an immune checkpoint inhibitor and its dysregulation has been related to T cell tolerance and many immune disorders, such as tumors and infection tolerance. However, the physiopathology roles of Tim-3 in innate immunity remain elusive. Here, we demonstrate that Tim-3 inhibits macrophage phagocytosis of L. monocytogenes by inhibiting the nuclear erythroid 2-related factor 2 (Nrf2) signaling pathway and increases bacterial burden. Tim-3 signaling promotes Nrf2 degradation by increasing its ubiquitination and, as a result, decreasing its nuclear translocation...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28204993/needs-of-neuro-oncological-patients-and-their-caregivers-during-the-hospitalization-and-after-discharge-results-from-a-longitudinal-study
#16
C Scaratti, M Leonardi, A Saladino, E Anghileri, M Broggi, E Lamperti, L Fariselli, R Ayadi, G Tringali, S Schiavolin
PURPOSE: The aims of this study are to identify neuro-oncological patients' and their caregivers' needs during hospitalization (T0) and at 4 months after discharge (T1); to analyze the longitudinal changes in patients' and caregivers' needs and burden; to identify correlations between patients' needs and caregivers' burden and needs. METHODS: A pilot observational longitudinal study was conducted on 94 neuro-oncological patients and their caregivers using NEQ to evaluate patients' needs, CNA, and FSQ for caregivers' needs and burden at T0 and T1...
February 15, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28203093/prevention-and-treatment-of-tumor-lysis-syndrome-and-the-efficacy-and-role-of-rasburicase
#17
REVIEW
Nael Alakel, Jan Moritz Middeke, Johannes Schetelig, Martin Bornhäuser
Tumor lysis syndrome (TLS) is a potentially life-threatening condition that occurs in oncologic and hematologic patients with large tumor burden, either due to cytotoxic therapy or, less commonly, spontaneously because of massive tumor cell lysis. TLS is clinically characterized by acute renal failure, hyperuricemia, hyperkalemia, hyperphosphatemia, and hypocalcemia. While limited options are available for treating TLS, identifying patients at high risk for developing TLS and prevention in high-risk patients remain an important aspect in the treatment of cancer patients...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28202522/histone-acetyltransferase-activity-of-mof-is-required-for-mll-af9-leukemogenesis
#18
Daria G Valerio, Haiming Xu, Chun-Wei Chen, Takayuki Hoshii, Meghan E Eisold, Christopher Delaney, Monica Cusan, Aniruddha J Deshpande, Chun-Hao Huang, Amaia Lujambio, Y George G Zheng, Johannes Zuber, Tej K Pandita, Scott W Lowe, Scott A Armstrong
Chromatin-based mechanisms offer therapeutic targets in acute myeloid leukemia (AML) that are of great current interest. In this study, we conducted an RNAi-based screen to identify druggable chromatin regulator-based targets in leukemias marked by oncogenic rearrangements of the MLL gene. In this manner, we discovered the H4K16 histone acetyltransferase (HAT) MOF to be a potent suppressor of leukemia cell growth. Conditional deletion of Mof in a mouse model of MLL-AF9-driven leukemogenesis reduced tumor burden and prolonged host survival...
February 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28202519/correlates-of-prenatal-and-early-life-tobacco-smoke-exposure-and-frequency-of-common-gene-deletions-in-childhood-acute-lymphoblastic-leukemia
#19
Adam J de Smith, Maneet Kaur, Semira Gonseth, Alyson A Endicott, Steve Selvin, Luoping Zhang, Ritu Roy, Xiaorong Shao, Helen M Hansen, Alice Y Kang, Kyle M Walsh, Gary V Dahl, Roberta McKean-Cowdin, Catherine Metayer, Joseph L Wiemels
Tobacco smoke exposure has been associated with risk of childhood acute lymphoblastic leukemia (ALL). Understanding the relationship between tobacco exposures and specific mutations may yield etiologic insights. We carried out a case-only analysis to explore whether prenatal and early-life tobacco smoke exposure influences the formation of leukemogenic genomic deletions. Somatic copy-number of 8 genes frequently deleted in ALL (CDKN2A, ETV6, IKZF1, PAX5, RB1, BTG1, PAR1 region, and EBF1) was assessed in 559 pre-treatment tumor samples from the California Childhood Leukemia Study...
February 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28199967/pre-clinical-evaluation-of-small-molecule-loxl2-inhibitors-in-breast-cancer
#20
Joan Chang, Morghan C Lucas, Lidia E Leonte, Marc Garcia-Montolio, Lukram Babloo Singh, Alison D Findlay, Mandar Deodhar, Jonathan S Foot, Wolfgang Jarolimek, Paul Timpson, Janine T Erler, Thomas R Cox
Lysyl Oxidase-like 2 (LOXL2), a member of the lysyl oxidase family of amine oxidases is known to be important in normal tissue development and homeostasis, as well as the onset and progression of solid tumors. Here we tested the anti-tumor properties of two generations of novel small molecule LOXL2 inhibitor in the MDA-MB-231 human model of breast cancer. We confirmed a functional role for LOXL2 activity in the progression of primary breast cancer. Inhibition of LOXL2 activity inhibited the growth of primary tumors and reduced primary tumor angiogenesis...
February 10, 2017: Oncotarget
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