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https://www.readbyqxmd.com/read/28828339/the-immune-response-of-vaccination-against-hepatitis-b-virus-in-iranian-patients-undergoing-chemotherapy
#1
Mohsen Meidani, Farzin Khorvash, Simin Hemati, Farzaneh Ashrafi, Behrouz Ataei, Dana Daneshmand
INTRODUCTION: Hepatitis B virus (HBV) infection and its complications are major public health problems. As it is hard to treat and control the chronic state, control of disease depends on the prevention especially by vaccination. There is an impaired immune response to vaccinations including HBV in patients with some malignancies. The aim of this study is to assess the response rate of patients undergoing chemotherapy to HBV vaccination. MATERIALS AND METHODS: All patients from two hematology/oncology clinics in Isfahan, Iran with the history of at least 1 month chemotherapy who had the inclusion criteria were enrolled in a case control study...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28819024/trastuzumab-increases-her2-uptake-and-cross-presentation-by-dendritic-cells
#2
Victor A Gall, Anne V Philips, Na Qiao, Karen Clise-Dwyer, Alexander A Perakis, Mao Zhang, Guy Travis Clifton, Pariya Sukhumalchandra, Qing Ma, Sangeetha M Reddy, Dihua Yu, Jeffrey J Molldrem, George E Peoples, Gheath Alatrash, Elizabeth A Mittendorf
Early phase clinical trials evaluating CD8+ T cell-eliciting, HER2-derived peptide vaccines administered to HER2-positive breast cancer patients in the adjuvant setting suggest synergy between the vaccines and trastuzumab, the monoclonal antibody targeting the HER2 protein. Among 60 patients enrolled on clinical trials evaluating the E75+GM-CSF and GP2+GM-CSF vaccines, there have been no recurrences in patients vaccinated after receiving trastuzumab as part of standard therapy in the per treatment analyses conducted after a median follow-up of greater than 34 months...
August 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/28798322/luciferase-expression-allows-bioluminescence-imaging-but-imposes-limitations-on-the-orthotopic-mouse-4t1-model-of-breast-cancer
#3
V P Baklaushev, A Kilpeläinen, S Petkov, M A Abakumov, N F Grinenko, G M Yusubalieva, A A Latanova, I L Gubskiy, F G Zabozlaev, E S Starodubova, T O Abakumova, M G Isaguliants, V P Chekhonin
Implantation of reporter-labeled tumor cells in an immunocompetent host involves a risk of their immune elimination. We have studied this effect in a mouse model of breast cancer after the orthotopic implantation of mammary gland adenocarcinoma 4T1 cells genetically labelled with luciferase (Luc). Mice were implanted with 4T1 cells and two derivative Luc-expressing clones 4T1luc2 and 4T1luc2D6 exhibiting equal in vitro growth rates. In vivo, the daughter 4T1luc2 clone exhibited nearly the same, and 4T1luc2D6, a lower growth rate than the parental cells...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28776947/racial-disparities-in-the-utilization-of-preventive-health-services-among-older-women-with-early-stage-endometrial-cancer-enrolled-in-medicare
#4
Jovana Y Martin, Melissa A Schiff, Noel S Weiss, Renata R Urban
To assess differences in the receipt of preventive health services by race/ethnicity among older women with endometrial cancer enrolled in Medicare, we conducted a retrospective population-based cohort study of women diagnosed with endometrial cancer from 2001 to 2011 in the Surveillance Epidemiology and End Results (SEER)-Medicare database. Women with stage I or II endometrial cancer of epithelial origin were included. The exposure was race/ethnicity (Non-Hispanic [NH] White, NH Black, Hispanic, and NH Asian/Pacific Islander [PI])...
August 4, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28770890/cervical-cancer-in-pakistan-a-review
#5
Syeda Asma Batool, Sumera Sajjad, Husna Malik
Cervix carcinoma is the second commonest condition in women under 50 years of age and third after breast and oral cavity cancers across all age groups. Though a preventable disease, the mortality rate is very high because it is an ignored ailment in Pakistan in terms of screening, prevention and vaccination. More than 70% of cancer patients report with very advanced stage of malignancy and this is the cause of the high rate of mortality in Pakistan. We covered studies cited during the previous 11 years (2005-2015) that reviewed many aspects of cervical cancer in Pakistan, including epidemiology, risk factors, screening test and their barriers, clinical presentation and prevention...
July 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28765858/history-development-and-future-of-cancer-screening-in-australia
#6
Ian N Olver, David Roder
INTRODUCTION: The aim of screening an asymptomatic population for cancer is to achieve better health outcomes, particularly a population survival benefit. Australia has three population screening programs: the National Cervical Screening Program (NCSP), BreastScreen Australia and the National Bowel Cancer Screening Program (NBCSP). METHODS: We reviewed the history and development of the three programs. NCSP: Women have a Pap smear every 2 years from age 18-20, or 2 years after first becoming sexually active, until age 69...
July 26, 2017: Public Health Research & Practice
https://www.readbyqxmd.com/read/28759386/preventive-therapy-for-cancer
#7
REVIEW
Jack Cuzick
Therapeutic cancer prevention is a developing area that can gain a lot from the successes in the prevention of cardiovascular diseases. Although weight control and physical activity are important in the prevention of both diseases, several other preventive measures exist. Low-dose aspirin for cancer prevention is often cited as the most important approach in terms of population benefit, and should be offered to those older than 50 years of age without hypertension or risk factors for gastrointestinal bleeding...
August 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28756536/therapeutic-blockade-of-foxp3-in-experimental-breast-cancer-models
#8
Mariela A Moreno Ayala, María Florencia Gottardo, Mercedes Imsen, Antonela S Asad, Elisa Bal de Kier Joffé, Noelia Casares, Juan José Lasarte, Adriana Seilicovich, Marianela Candolfi
PURPOSE: Regulatory T cells (Tregs) impair the clinical benefit of cancer immunotherapy. To optimize the antitumor efficacy of therapeutic dendritic cell (DC) vaccines, we aimed to inhibit Foxp3, a transcription factor required for Treg function. METHODS: Mice bearing established syngeneic LM3 and 4T1 breast tumors were treated with antitumor DC vaccines and a synthetic peptide (P60) that has been shown to inhibit Foxp3. RESULTS: Treatment with P60 improved the therapeutic efficacy of DC vaccines in these experimental models...
July 29, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28736158/nanoliposomes-carrying-her2-neu-derived-peptide-ae36-with-cpg-odn-exhibit-therapeutic-and-prophylactic-activities-in-a-mice-tubo-model-of-breast-cancer
#9
Nastaran Barati, Amin Reza Nikpoor, Atefeh Razazan, Fatemeh Mosaffa, Ali Badiee, Atefeh Arab, Zahra Gholizadeh, Javad Behravan, Mahmoud Reza Jaafari
This study was designed to prepare and characterize nanoliposomal vaccine formulation encapsulating AE36 HER2/neu-derived peptide with or without CpG and evaluate the immunologic and therapeutic responses of that in BALB/c mice model of Her2 overexpressing breast cancer. AE36 was encapsulated in liposomes composed of DOTAP, DOPE and Cholesterol (DDC) or DD with. The formulations could induce both CD8+ and CD4+ responses and stimulate production of cytokines which was detected by Enzyme-linked immunospot assay (ELISpot) kits, cytotoxicity test and intracellular cytokine assay by flow cytometry...
July 21, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28718331/entinostat-for-the-treatment-of-breast-cancer
#10
REVIEW
Dario Trapani, Angela Esposito, Carmen Criscitiello, Luca Mazzarella, Marzia Locatelli, Ida Minchella, Saverio Minucci, Giuseppe Curigliano
Breast cancer accounts for 29% of malignant tumors. It is an heterogenous disease covering a spectrum of different molecular subtypes. Epigenetic aberrations may affect gene expression through DNA and histone proteins modifications thus promoting tumor progression and resistance to anti- tumor treatment. Area covered: This article explores the potential role of entinostat in the treatment of breast cancer. The clinical trials evaluating entinostat are discussed, highlighting preclinical data and early-phase clinical studies results...
August 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28683054/invasive-cancer-incidence-2004-2013-and-deaths-2006-2015-in-nonmetropolitan-and-metropolitan-counties-united-states
#11
S Jane Henley, Robert N Anderson, Cheryll C Thomas, Greta M Massetti, Brandy Peaker, Lisa C Richardson
PROBLEM/CONDITION: Previous reports have shown that persons living in nonmetropolitan (rural or urban) areas in the United States have higher death rates from all cancers combined than persons living in metropolitan areas. Disparities might vary by cancer type and between occurrence and death from the disease. This report provides a comprehensive assessment of cancer incidence and deaths by cancer type in nonmetropolitan and metropolitan counties. REPORTING PERIOD: 2004-2015...
July 7, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28680745/vaccination-targeting-human-her3-alters-the-phenotype-of-infiltrating-t-cells-and-responses-to-immune-checkpoint-inhibition
#12
Takuya Osada, Michael A Morse, Amy Hobeika, Marcio A Diniz, William R Gwin, Zachary Hartman, Junping Wei, Hongtao Guo, Xiao-Yi Yang, Cong-Xiao Liu, Kensuke Kaneko, Gloria Broadwater, H Kim Lyerly
Expression of human epidermal growth factor family member 3 (HER3), a critical heterodimerization partner with EGFR and HER2, promotes more aggressive biology in breast and other epithelial malignancies. As such, inhibiting HER3 could have broad applicability to the treatment of EGFR- and HER2-driven tumors. Although lack of a functional kinase domain limits the use of receptor tyrosine kinase inhibitors, HER3 contains antigenic targets for T cells and antibodies. Using novel human HER3 transgenic mouse models of breast cancer, we demonstrate that immunization with recombinant adenoviral vectors encoding full length human HER3 (Ad-HER3-FL) induces HER3-specific T cells and antibodies, alters the T cell infiltrate in tumors, and influences responses to immune checkpoint inhibitions...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28679488/toward-a-new-kind-of-vaccine-a-logical-extension-of-the-symmetrical-immune-network-theory
#13
Reginald Gorczynski, Geoffrey Hoffmann
BACKGROUND: The symmetrical immune network theory, developed in 1975, is based on the existence of specific T cell factors and hypothesizes that normal IgG immune responses comprise the production of 2 kinds of antibodies, namely antigen-specific antibodies and anti-idiotypic antibodies. OBJECTIVE: The aim of this study was to confirm the existence of specific T cells factors and to show that immunization of C3H mice with BL/6 skin or using nominal antigen for immunization (Tetanus Toxoid) induced production of antigen-specific (anti-BL/6 or antitetanus) antibodies plus anti-idiotypic antibodies (C3H anti-anti-C3H)...
July 5, 2017: Interactive Journal of Medical Research
https://www.readbyqxmd.com/read/28629632/rationale-for-immunological-approaches-to-breast-cancer-therapy
#14
Gwennaëlle C Monnot, Pedro Romero
Despite great advances in early detection, as well as surgical resection of breast tumours, breast cancer remains the deadliest cancer for women worldwide. Moreover, its incidence is without pair, accounting for twice as many new cancer cases as the second most prevalent cancer, colorectal carcinoma. There is therefore a strong need for new therapeutic approaches to breast cancers. Immunotherapies are novel treatment modalities which aim to use immune mediators to attack cancerous cells. Recent clinical results show that these may not only mediate tumour regressions but also cures in some cases...
June 16, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28628857/identification-of-b-and-t-cell-epitope-based-peptide-vaccine-from-igf-1-receptor-in-breast-cancer
#15
Manijeh Mahdavi, Violaine Moreau, Majid Kheirollahi
The insulin-like growth factor-1 receptor (IGF-1R) plays a key role in proliferation, growth, differentiation, and development of several human malignancies including breast and pancreatic adenocarcinoma. IGF-1R targeted immunotherapeutic approaches are particularly attractive, as they may potentially elicit even stronger antitumor responses than traditional targeted approaches. Cancer peptide vaccines can produce immunologic responses against cancer cells by triggering helper T cell (Th) or cytotoxic T cells (CTL) in association with Major Histocompatibility Complex (MHC) class I or II molecules on the cell surface of antigen presenting cells...
August 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28604556/immunologic-response-elicited-in-breast-cancer-patients-receiving-a-neugcgm3-based-vaccine-as-adjuvant-therapy
#16
Anet Valdes-Zayas, Zuyen Gonzalez, Vladimir Mulens, Aliz M Vega, Kirenia Perez, Patricia Lorenzo-Luaces, Maria C Rubio, Anabely Estevez, Idelmis Curbelo, Luis E Fernandez, Tania Crombet, Zaima Mazorra
This study aimed to investigate the immunogenicity of a cancer vaccine consisting of the NeuGcGM3 ganglioside combined with the outer membrane protein complex of Neisseria meningitides to form very small size particles. The vaccine is administered together with Montanide ISA51, as adjuvant treatment for breast cancer patients. After surgical resection and standard first-line chemo/radiotherapy, breast cancer patients in stage II-III were enrolled in a phase III clinical trial and allocated into 2 strata, according to the number of positive lymph nodes [stratum I (0-3); stratum II (≥4)]...
June 9, 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/28546878/effects-of-medicare-coverage-of-a-welcome-to-medicare-visit-on-use-of-preventive-services-among-new-medicare-enrollees
#17
Boon Peng Ng, Gail A Jensen, Heather Fritz
In January 2005, Medicare began covering a one-time initial preventive physical examination (IPPE), also called a "Welcome-to-Medicare" visit, during a beneficiary's first 6 months under Part B. This paper examines the effects of offering Medicare IPPE coverage on the use of mammograms, breast self-exams, Pap smears, prostate cancer screenings, cholesterol screenings, and flu vaccines among beneficiaries new to Part B. We adopt a difference-in-difference estimator and estimate a set of multivariate logit models to quantify the effects of introducing Medicare IPPE coverage on the use of preventive services...
2017: Journal of Aging Research
https://www.readbyqxmd.com/read/28536329/-multilateral-strategies-utilizing-exosomes-for-cancer-therapy
#18
Nao Nishida-Aoki, Takahiro Ochiya
Exosomes are nano-sized extracellular vesicles which transfer their components such as RNA, DNA, and proteins from one cell to another cell. The components are released to the cytoplasm of the recipient cells, having an effect on the cells. Cancerderived exosomes promote cancer progression, invasion, gain of drug resistance, and metastasis. Recently, according to their characteristics, it is expected to apply exosomes to cancer therapies, such as utilizing exosomes as drug delivery systems(DDS) for anticancer drugs and as cancer vaccines to enhance immunity to cancer cells...
May 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28513340/questions-about-cervical-and-breast-cancer-screening-knowledge-practice-and-outcomes-a-review-of-demographic-and-health-surveys
#19
Laura Viens, Doug Perin, Virginia Senkomago, Antonio Neri, Mona Saraiya
United Nation's Sustainable Development Goals and the World Health Organization's Global Monitoring Framework support a strong global commitment to reducing the high burden of cervical and breast cancers among low- and middle-income countries. Strategies include vaccination, screening, and early diagnosis. Population-based surveys, such as those conducted by the Demographic and Health Surveys (DHS) Program, can collect the information needed to guide cancer control efforts in a standardized comparable manner...
May 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28509606/combined-immunotherapy-of-breast-cancer-with-egf-and-vegf-vaccines-from-dna-shuffling-in-a-mouse-model
#20
Dong Jin, Xin Yu, Bing Chen, Zhitao Li, Jia Ding, Xiuyun Zhao, Gaofu Qi
AIM: Development of EGF and VEGF vaccines with high antigenicity for combined immunotherapy of EGF-EGFR signaling-dependent epithelial tumors such as breast cancer. METHOD:  EGF genes from mouse, human and chicken were randomly assembled to chimeric genes by DNA shuffling, then a chimeric EGF was selected out by PCR, SDS-PAGE and immunization for combined immunotherapy of breast cancer with a previously constructed chimeric VEGF vaccine from shuffling. RESULTS: Combined vaccination with chimeric EGF and VEGF from shuffling could induce high titer of antibodies against EGF and VEGF to inhibit tumor growth and angiogenesis, and improve the survival rate of mice with breast cancer...
May 16, 2017: Immunotherapy
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