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breast cancer vaccine

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https://www.readbyqxmd.com/read/28629632/rationale-for-immunological-approaches-to-breast-cancer-therapy
#1
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
#2
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...
June 8, 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
#3
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
#4
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
#5
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
#6
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
#7
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
https://www.readbyqxmd.com/read/28486273/zebularine-treatment-induces-mage-a11-expression-and-improves-ctl-cytotoxicity-using-a-novel-identified-hla-a2-restricted-mage-a11-peptide
#8
Jiandong Zhang, Meixiang Sang, Lina Gu, Fei Liu, Weijing Li, Danjing Yin, Yunyan Wu, Shina Liu, Weina Huang, Baoen Shan
Melanoma-associated antigen-A11 (MAGE-A11) is frequently expressed in breast cancer and is associated with poor prognosis. Therefore, MAGE-A11 is a potential immunotherapy target in breast cancer. MAGE-A11 expression, however, is downregulated in many patients, thus constraining the application of immunotherapy. The induction of MAGE-A11 expression is crucial for the recognition and killing of breast cancer cells by cytotoxic T lymphocytes (CTL). In this study, a series of HLA-A2-restricted candidate MAGE-A11 peptides were predicted, synthesized, and tested...
July 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/28463961/herpes-zoster-risk-after-21-specific-cancers-population-based-case-control-study
#9
Erik Hansson, Harriet J Forbes, Sinéad M Langan, Liam Smeeth, Krishnan Bhaskaran
BACKGROUND: Some malignancies are known to be associated with increased risk of herpes zoster, but little is known about how associations between cancer and subsequent zoster risk vary by cancer site, by time since cancer diagnosis, and by age. METHODS: An age-, sex-, calendar time-, and practice-matched case-control study, nested in the broadly UK representative Clinical Practice Research Datalink (CPRD) primary care database, was analysed using conditional logistic regression to estimate the association between 21 of the most common specific malignancies and subsequent zoster risk...
June 6, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28459074/leaps-vaccine-incorporating-her-2-neu-epitope-elicits-protection-that-prevents-and-limits-tumor-growth-and-spread-of-breast-cancer-in-a-mouse-model
#10
Ken S Rosenthal, Sarah Stone, Gary Koski, Daniel H Zimmerman
The prototype J-LEAPS T cell vaccine for HER-2/neu breast cancer (J-HER) consists of the murine HER-2/neu66-74 H-2(d) CD8 T cell epitope covalently attached through a triglycine linker to the J-immune cell binding ligand (ICBL) (human β2 microglobulin38-50 peptide). The J-ICBL was chosen for its potential to promote Th1/Tc1 responses. In this proof-of-concept study, the ability of J-HER to prevent or treat cancer was tested in the TUBO cell-challenged BALB/c mouse model for HER-2/neu-expressing tumors. The J-HER vaccine was administered as an emulsion in Montanide ISA-51 without the need for a more potent adjuvant...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28454292/dna-vaccine-encoding-human-papillomavirus-antigens-flanked-by-a-signal-peptide-and-a-kdel-sequence-induces-a-potent-therapeutic-antitumor-effect
#11
Jose J Perez-Trujillo, Rodolfo Garza-Morales, Jose A Barron-Cantu, Gabriel Figueroa-Parra, Aracely Garcia-Garcia, Humberto Rodriguez-Rocha, Jaime Garcia-Juarez, Gerardo E Muñoz-Maldonado, Odila Saucedo-Cardenas, Roberto Montes-De-Oca-Luna, Maria De Jesus Loera-Arias
Cellular immune responses play a critical role in the eradication of intracellular infections and malignant cells through the recognition and subsequent removal of the infection or malignant cells. Effective antigen presentation is crucial for stimulating the immune system against malignant cells. Calreticulin (CRT) has been used to improve antigen presentation. However, CRT overexpression has been previously associated with the development of pancreatic and breast cancer. The import and retention signals of CRT in the endoplasmic reticulum (ER) can be used to overcome CRT overexpression...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28446053/immunotherapy-for-the-treatment-of-breast-cancer
#12
Mariela A Moreno Ayala, Maria Florencia Gottardo, Antonela S Asad, Camila Zuccato, Alejandro Nicola, Adriana Seilicovich, Marianela Candolfi
Breast cancer is the most common cancer as well as the first cause of death by cancer in women worldwide. Although routine treatment improves the outcome of early stage breast cancer patients, there is no effective therapy for the disseminated disease. Immunotherapy has emerged as a powerful therapeutic strategy for the treatment of many cancers. Although traditionally conceived as a non-immunogenic tumor, breast cancer is now considered a potential target for immunotherapy. Areas covered: In this review, the authors discuss different immunotherapeutic strategies that are currently being tested for the treatment of breast cancer: These strategies include: (i) blockade of immunological checkpoints, (ii) antitumor vaccines, (iii) regulatory T cell blockade, (iv) adoptive T cell transfer therapy, (iv) adoptive immunotherapy with monoclonal antibodies, and (v) combination of immunotherapy with chemotherapy...
July 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28440596/immunogenicity-of-a-fully-synthetic-muc1-glycopeptide-antitumor-vaccine-enhanced-by-poly-i-c-as-a-tlr3-activating-adjuvant
#13
Markus Glaffig, Natascha Stergiou, Edgar Schmitt, Horst Kunz
Fully synthetic MUC1 glycopeptide antitumor vaccines have a precisely specified structure and induce a targeted immune response without suppression of the immune response when using an immunogenic carrier protein. However, tumor-associated aberrantly glycosylated MUC1 glycopeptides are endogenous structures, "self-antigens", that exhibit only low immunogenicity. To overcome this obstacle, a fully synthetic MUC1 glycopeptide antitumor vaccine was combined with poly(inosinic acid:cytidylic acid), poly(I:C), as a structurally defined Toll-like receptor 3 (TLR3)-activating adjuvant...
May 22, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28432494/primary-prevention-and-screening-practices-among-long-term-breast-cancer-survivors
#14
Lori Mandelzweig, Angela Chetrit, Tova Amitai, Barbara Silverman, Nava Siegelmann-Danieli, Siegal Sadetzki
PURPOSE: Parallel to increasing survival of breast cancer (BC) patients, a need has arisen to characterize the follow-up required to improve and maintain their health. Our study aimed to assess changes in lifestyle habits over time among the study population, compare compliance rates of selected primary and secondary prevention practices between long-term BC survivors and an age-matched comparison group, and identify factors associated with compliance to these practices. METHODS: The study population comprised 250 Israeli BC survivors, diagnosed with BC between 1999 and 2003, without evidence of disease after 8-12 years, and 250 women with no cancer history, individually matched to survivors by age and area of residence...
April 21, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28432455/dual-activation-of-toll-like-receptors-7-and-9-impairs-the-efficacy-of-antitumor-vaccines-in-murine-models-of-metastatic-breast-cancer
#15
Mariela A Moreno Ayala, María Florencia Gottardo, María Soledad Gori, Alejandro Javier Nicola Candia, Carla Caruso, Andrea De Laurentiis, Mercedes Imsen, Slobodanka Klein, Elisa Bal de Kier Joffé, Gabriela Salamone, Maria G Castro, Adriana Seilicovich, Marianela Candolfi
PURPOSE: Since combination of Toll-like receptor (TLR) ligands could boost antitumor immunity, we evaluated the efficacy of dendritic cell (DC) vaccines upon dual activation of TLR9 and TLR7 in breast cancer models. METHODS: DCs were generated from mouse bone marrow or peripheral blood from healthy human donors and stimulated with CpG1826 (mouse TLR9 agonist), CpG2006 or IMT504 (human TLR9 agonists) and R848 (TLR7 agonist). Efficacy of antitumor vaccines was evaluated in BALB/c mice bearing metastatic mammary adenocarcinomas...
April 21, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28388548/safety-and-efficacy-of-p62-dna-vaccine-elenagen-in-a-first-in-human-trial-in-patients-with-advanced-solid-tumors
#16
Dmitry M Ponomarenko, Irina D Klimova, Yulia A Chapygina, Viktoria V Dvornichenko, Natalia V Zhukova, Rashida V Orlova, Georgy M Manikhas, Alexandr V Zyryanov, Lilya A Burkhanova, Irina I Badrtdinova, Basile N Oshchepkov, Elena V Filippova, Sergei V Orlov, Sergei I Kolesnikov, Albert A Sufianov, Svetlana R Baum, Olga Y Zaitzeva, Andrey B Komissarov, Mikhail P Grudinin, Oleg I Kiselev, Anatoly F Tsyb, Franco Venanzi, Vita Shcherbinina, Andrey Chursov, Vladimir L Gabai, Alexander M Shneider
Elenagen is a plasmid encoding p62/SQSTM1, the first DNA vaccine possessing two mutually complementing mechanisms of action: it elicits immune response against p62 and mitigates systemic chronic inflammation. Previously, Elenagen demonstrated anti-tumor efficacy and safety in rodent tumor models and spontaneous tumors in dogs. This multicenter I/IIa trial evaluated safety and clinical activity of Elenagen in patients with advanced solid tumors. Fifteen patients were treated with escalating doses of Elenagen (1- 5 mg per doses, 5 times weekly) and additional 12 patients received 1 mg dose...
March 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28382802/major-clinical-research-advances-in-gynecologic-cancer-in-2016-10-year-special-edition
#17
REVIEW
Dong Hoon Suh, Miseon Kim, Kidong Kim, Hak Jae Kim, Kyung Hun Lee, Jae Weon Kim
In 2016, 13 topics were selected as major research advances in gynecologic oncology. For ovarian cancer, study results supporting previous ones regarding surgical preventive strategies were reported. There were several targeted agents that showed comparable responses in phase III trials, including niraparib, cediranib, and nintedanib. On the contrary to our expectations, dose-dense weekly chemotherapy regimen failed to prove superior survival outcomes compared with conventional triweekly regimen. Single-agent non-platinum treatment to prolong platinum-free-interval in patients with recurrent, partially platinum-sensitive ovarian cancer did not improve and even worsened overall survival (OS)...
May 2017: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/28373404/precancer-atlas-to-drive-precision-prevention-trials
#18
Avrum Spira, Matthew B Yurgelun, Ludmil Alexandrov, Anjana Rao, Rafael Bejar, Kornelia Polyak, Marios Giannakis, Ali Shilatifard, Olivera J Finn, Madhav Dhodapkar, Neil E Kay, Esteban Braggio, Eduardo Vilar, Sarah A Mazzilli, Timothy R Rebbeck, Judy E Garber, Victor E Velculescu, Mary L Disis, Douglas C Wallace, Scott M Lippman
Cancer development is a complex process driven by inherited and acquired molecular and cellular alterations. Prevention is the holy grail of cancer elimination, but making this a reality will take a fundamental rethinking and deep understanding of premalignant biology. In this Perspective, we propose a national concerted effort to create a Precancer Atlas (PCA), integrating multi-omics and immunity - basic tenets of the neoplastic process. The biology of neoplasia caused by germline mutations has led to paradigm-changing precision prevention efforts, including: tumor testing for mismatch repair (MMR) deficiency in Lynch syndrome establishing a new paradigm, combinatorial chemoprevention efficacy in familial adenomatous polyposis (FAP), signal of benefit from imaging-based early detection research in high-germline risk for pancreatic neoplasia, elucidating early ontogeny in BRCA1-mutation carriers leading to an international breast cancer prevention trial, and insights into the intricate germline-somatic-immunity interaction landscape...
April 1, 2017: Cancer Research
https://www.readbyqxmd.com/read/28331981/vaccination-in-oncology-practice-and-predictors
#19
Ali Alkan, Ebru Karcı, Arzu Yaşar, Gülseren Tuncay, Elif Berna Köksoy, Muslih Ürün, Filiz Çay Şenler, Ahmet Demirkazık, Güngör Utkan, Hakan Akbulut, Yüksel Ürün
PURPOSE: Despite, vaccination is a highly effective and widely recommended for prevention of certain infections, vaccination coverage is very low. The purposes of this study were to evaluate the attitudes of medical oncologists towards vaccination and to identify predictors of intention to recommend vaccination in patients with cancer. METHODS: A structured questionnaire is formed to evaluate the daily practice of vaccination. Turkish medical oncologists were invited to this study via email, SMS, or phone call...
March 22, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28327987/pssmhcpan-a-novel-pssm-based-software-for-predicting-class-i-peptide-hla-binding-affinity
#20
Geng Liu, Dongli Li, Zhang Li, Si Qiu, Wenhui Li, Cheng-Chi Chao, Naibo Yang, Handong Li, Zhen Cheng, Xin Song, Le Cheng, Xiuqing Zhang, Jian Wang, Huanming Yang, Kun Ma, Yong Hou, Bo Li
Predicting peptide binding affinity with human leukocyte antigen (HLA) is a crucial step in developing powerful antitumor vaccine for cancer immunotherapy. Currently available methods work quite well in predicting peptide binding affinity with HLA alleles such as HLA-A*0201, HLA-A*0101, and HLA-B*0702 in terms of sensitivity and specificity. However, quite a few types of HLA alleles that are present in the majority of human populations including HLA-A*0202, HLA-A*0203, HLA-A*6802, HLA-B*5101, HLA-B*5301, HLA-B*5401, and HLA-B*5701 still cannot be predicted with satisfactory accuracy using currently available methods...
May 1, 2017: GigaScience
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