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Vaccine and cancer

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https://www.readbyqxmd.com/read/28531261/age-of-acquiring-causal-human-papillomavirus-hpv-infections-leveraging-simulation-models-to-explore-the-natural-history-of-hpv-induced-cervical-cancer
#1
Emily A Burger, Jane J Kim, Stephen Sy, Philip E Castle
Background.: Although new human papillomavirus (HPV) infections can occur at all ages, the age at which women acquire their "causal" HPV infection that develops into cervical cancer is poorly understood and practically unobservable. We aimed to estimate the age distribution at which individuals acquired their causal HPV infection in the absence of HPV vaccination or screening to help guide the optimal use of both. Methods.: Using an empirically calibrated mathematical model that simulates the natural history of cervical cancer, we estimated the cumulative number of causal HPV infections by age, stratified by HPV genotype (HPV16 vs...
May 20, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28531117/immunobiology-of-newcastle-disease-virus-and-its-use-for-prophylactic-vaccination-in-poultry-and-as-adjuvant-for-therapeutic-vaccination-in-cancer-patients
#2
REVIEW
Volker Schirrmacher
Newcastle disease (ND) is one of the most important diseases of poultry worldwide. In the last decades, molecular research has gained a lot of new information about its causative agent, newcastledisease virus (NDV). In poultry industry, certain strains of NDV have been used for preventive vaccination for more than 60 years. NDV has also been applied to cancer patients with beneficial effects for about 50 years, but this is less well known. The molecular basis for these differential effects of NDV in birds and man have been elucidated in the last decades and are explained in this review...
May 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28529978/emerging-applications-of-exosomes-in-cancer-therapeutics-and-diagnostics
#3
REVIEW
Sahil Inamdar, Rajeshwar Nitiyanandan, Kaushal Rege
Exosomes are nanoscale extracellular vesicles that are shed from different cells in the body. Exosomes encapsulate several biomolecules including lipids, proteins, and nucleic acids, and can therefore play a key role in cellular communication. These vesicles can be isolated from different body fluids and their small sizes make them attractive in various biomedical applications. Here, we review state-of-the art approaches in exosome isolation and purification, and describe their potential use in cancer vaccines, drug delivery, and diagnostics...
March 2017: Bioengineering & Translational Medicine
https://www.readbyqxmd.com/read/28529904/mini-review-of-conventional-and-hypofractionated-radiation-therapy-combined-with-immunotherapy-for-non-small-cell-lung-cancer
#4
REVIEW
Allison M Campbell, Roy H Decker
A successful antitumoral response requires immunological activation as well as an antigenic pool capable of stimulating both the innate and the adaptive immune system. Recent advances in immunotherapy have been aimed at boosting the activation status of the innate and adaptive immune system, including cytokine administration, monoclonal antibodies engineered to target high yield elements in oncogenic signaling pathways, cancer vaccines, and checkpoint inhibitors. Herein, we examine the ways that radiation therapy induced cell death provides a pool of stimulus antigen, and draw parallels from the immunobiology of autoimmunity to explore how the immunogenicity of antigen derived from radiation-induced cell death might augment the antitumoral response...
April 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28529902/current-state-of-immunotherapy-for-non-small-cell-lung-cancer
#5
REVIEW
Jyoti Malhotra, Salma K Jabbour, Joseph Aisner
Lung cancer is the leading cause of cancer mortality and non-small cell lung cancer (NSCLC) accounts for more than 85% of all lung cancers. Platinum-based doublet chemotherapy is the standard first-line treatment for metastatic NSCLC when genomic testing reveals no targetable alteration such as epidermal growth factor receptor (EGFR) mutations, anaplastic lymphoma kinase (ALK) or ROS1 translocation/re-arrangements. But, chemotherapy produces response rates ranging only between 15-30%. For patients whose disease progresses on first-line chemotherapy, second-line therapy historically consists of taxane-based salvage chemotherapy with a response rate of less than 25%...
April 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28529901/combining-immunotherapy-and-radiation-therapy-for-small-cell-lung-cancer-and-thymic-tumors
#6
REVIEW
Suchit H Patel, Andreas Rimner, Roger B Cohen
Recent work with immunotherapy has shown promising results with treatment of several solid malignancies, and there are several reports of good systemic responses with the combination of immunotherapy and radiation therapy (RT), most notably in advanced melanoma. Given the rapid increase in the use of checkpoint blockade as well as anti-tumor vaccines, we review here the preclinical rationale and ongoing clinical work in combining immunotherapy with RT for small cell lung cancer (SCLC) and thymic tumors. While there are several reports of promising results with the combination of immunotherapy and conventional systemic treatment, we focus here on the ongoing clinical studies that combine immunotherapy with RT, and highlight the emerging data for this multimodality approach as well as key preclinical and clinical issues that remain to be addressed...
April 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28529575/japanese-kampo-medicine-ninjin-yoeito-synergistically-enhances-tumor-vaccine-effects-mediated-by-cd8-t-cells
#7
Shun Takaku, Masumi Shimizu, Hidemi Takahashi
Although Japanese traditional herbal medicine (Kampo) has been widely applied to the treatment of various diseases, including cancer, their mechanisms of action have not yet been elucidated in detail, particularly regarding their role in tumor immunology. The present study investigated the antitumor effects of the Japanese Kampo medicine, ninjin'yoeito (NYT; Ren-Shen-Yang-Rong-Tang in Chinese), which was orally administered with or without an irradiated tumor cell vaccine to a subcutaneous CT26 colon carcinoma tumor model...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28528686/hpv-entry-into-cells
#8
REVIEW
Pinar Aksoy, Elinor Y Gottschalk, Patricio I Meneses
Human papillomavirus (HPV) is a sexually transmitted virus responsible for the development of cervical cancer, anal cancer, head and throat cancers, as well as genital area warts. A major focus of current HPV research is on preventing the virus from entering a cell and transferring its genetic material to the nucleus, thus potentially preventing the development of cancer. Although the available HPV vaccines are extremely successful, approximately 15 additional cancer-causing HPVs have been identified that the vaccines do not protect against...
April 2017: Mutation Research
https://www.readbyqxmd.com/read/28528510/immunogenomics-using-genomics-to-personalize-cancer-immunotherapy
#9
Rance C Siniard, Shuko Harada
While the use of genomic data has the potential to revolutionize patient care, there is still much work to be done with regard to the transformation of host-tumor interactions into favorable clinical outcomes for our patients. High-throughput technologies, such as next-generation sequencing (NGS), have rapidly advanced our understanding of oncology, and we are learning that most tumors do not simply possess consistently mutated genes that are responsible for tumorigenesis, facilitating the need for personalized cancer therapy...
May 20, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28527408/subcellular-localization-based-comparative-study-on-radioresistant-bacteria-a-novel-approach-to-mine-proteins-involve-in-radioresistance
#10
Divya Vishambra, Malay Srivastava, Kamal Dev, Varun Jaiswal
Radioresistant bacteria (RRB) are among the most radioresistant organisms and has a unique role in evolution. Along with the evolutionary role, radioresistant organisms play important role in paper industries, bioremediation, vaccine development and possibility in anti-aging and anti-cancer treatment. The study of radiation resistance in RRB was mainly focused on cytosolic mechanisms such as DNA repair mechanism, cell cleansing activity and high antioxidant activity. Although it was known that protein localized on outer areas of cell play role in resistance towards extreme condition but the mechanisms/proteins localized on the outer area of cells are not studied for radioresistance...
May 10, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28527407/mechanisms-of-resistance-to-systemic-therapy-in-metastatic-castration-resistant-prostate-cancer
#11
REVIEW
Giuseppe Galletti, Benjamin I Leach, Linda Lam, Scott T Tagawa
Patients with metastatic castration-resistant prostate cancer (mCPRC) now have an unprecedented number of approved treatment options, including chemotherapies (docetaxel, cabazitaxel), androgen receptor (AR)-targeted therapies (enzalutamide, abiraterone), a radioisotope (radium-223) and a cancer vaccine (sipuleucel-T). However, the optimal treatment sequencing pathway is unknown, and this problem is exacerbated by the issues of primary and acquired resistance. This review focuses on mechanisms of resistance to AR-targeted therapies and taxane-based chemotherapy...
May 8, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28526972/patient-experiences-attitudes-and-expectations-towards-receiving-information-about-anti-tnf-medication-a-quantitative-study
#12
Jon Packham, Paul Arkell, Tom Sheeran, Ann Brownfield, Anthony Cadwgan, Sarah Ryan
The objective of the study was to measure patient attitudes and experience of information received during drug counselling for rheumatoid arthritis (RA) medications. This is a cross-sectional UK postal questionnaire study. Three RA patient groups-disease-modifying antirheumatic drugs (DMARDs) only, first anti-tumour necrosis factor (anti-TNF) and failed anti-TNF-were sent postal questionnaires. Data on patient history/demographics, drug counselling experience, knowledge of drug side effects, attitudes to vaccinations, cancer screening and blood borne virus testing was collected; 264/679 (39%) patients responded (median age 65 years, 66% female, median disease duration 15 years)...
May 19, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28526738/hpv-vaccine-slashes-rates-of-oral-infection
#13
(no author information available yet)
Vaccination against human papillomavirus (HPV) reduces the prevalence of oral infection by an estimated 88% among young adults in the United States, a protection that could help reduce rates of HPV-related oropharyngeal cancers, according to data that will be presented at the American Society of Clinical Oncology Annual Meeting in Chicago, IL. However, the population-level benefit will remain low unless more people get vaccinated.
May 19, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28525893/rat-embryonic-fibroblasts-immortalized-by-mrps18-2-protein-are-target-for-nk-cells
#14
Muhammad Mushtaq, Pradeepa N Pangigadde, Suhas Darekar, Erik Dissen, Elena Kashuba
Overexpression of the human mitochondrial ribosomal protein MRPS18-2 (S18-2) led to immortalization of primary rat embryonic fibroblasts (REFs). The derived cells (18IM) expressed embryonic stem cell markers. Noteworthy, genes encoding the COX family proteins were up-regulated significantly. It is known that the COX family proteins are involved in the regulation of immune response.In the present work we demonstrate that 18IM cells behave like stem cells when subjected to directed differentiation in vitro. However, unlike stem cells, 18IM cells do not develop tumors in vivo, in SCID mice...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28525447/mothers-fathers-sons-and-human-papillomavirus-immunization-practices
#15
Tami Lynn Thomas, Ora L Strickland, Melinda Higgins
Despite the fact that human papillomavirus (HPV) infection and HPV-related cancers are on the rise in men, male HPV vaccine series completion is less than 10% in many areas. This study examined parental knowledge of the HPV vaccine and intent to vaccinate their sons. A cross-sectional study of 341 parents of boys was conducted in school settings in rural southeastern Georgia. Mothers were 2.07 times more likely than fathers to vaccinate their sons. Future research directions should include strategies to increase HPV vaccination in both genders and focus on parents' perceived severity and vulnerability of their sons to HPV infection...
July 2017: Family & Community Health
https://www.readbyqxmd.com/read/28522585/herpes-simplex-virus-glycoprotein-d-targets-a-specific-dendritic-cell-subset-and-improves-the-performance-of-vaccines-to-human-papillomavirus-associated-tumors
#16
Bruna F M M Porchia, Ana Carolina R Moreno, Rodrigo N Ramos, Mariana O Diniz, Laís Helena T M de Andrade, Daniela S Rosa, José Alexandre M Barbuto, Silvia B Boscardin, Luís Carlos S Ferreira
Cervical cancer is a major public health problem and one of the leading causes of cancer deaths in women. Virtually all cases of cervical cancer, as well as a growing share of anal and head/neck tumors, are associated with human papillomavirus (HPV) infection. Despite the effectiveness, the available prophylactic vaccines do not benefit women with cervical lesions or cancer. Therefore, the search of new immunotherapeutic approaches to treat HPV-induced tumors is still a priority. The present study characterizes a therapeutic antitumor vaccine based on the genetic fusion of the Herpes simplex virus-1 (HSV-1) glycoprotein D (gD) with the E7 oncoprotein from HPV-16 (gDE7)...
May 18, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28522277/-immunotherapy-and-radiotherapy
#17
S Bockel, D Antoni, É Deutsch, F Mornex
Radiotherapy, primarily known for its cytotoxic effect on the tumor cells, via the induction of DNA damages, has the ability to induce a systemic antitumoral response. By an immunologic cell death, tumor cells exposed to radiation release a large amount of neoantigenes and pro-inflammatory mediators, acting as an in situ vaccine, resulting in an tumor regression within the primary irradiated site, but also in the distant "out of field" secondary tumors. However, this phenomenon is extremly rare with radiotherapy alone, suggesting that the radiation-induced antitumor immunity is not sufficient for overcoming the tumor's and its microenvironnement immunosuppressing effect...
May 15, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28521532/new-antivirals-for-the-treatment-of-chronic-hepatitis-b
#18
Vincent Soriano, Pablo Barreiro, Laura Benitez, Jose M Peña, Carmen de Mendoza
Current treatment with oral nucleos(t)ides entecavir or tenofovir provide sustained suppression of HBV replication and clinical benefit in most chronic hepatitis B virus (HBV) infected persons. However, HBV rebound generally occurs upon drug discontinuation due to persistence of genomic HBV reservoirs as episomic cccDNA and chromosomic integrated HBV-DNA. There is renewed enthusiasm on HBV drug discovery following recent successes with antivirals for hepatitis C and immunotherapies for some cancers. Areas covered: New drugs that target distinct steps of the HBV life cycle are been developed, including inhibitors of viral entry, new polymerase inhibitors, capsid and assembly inhibitors, virus release blockers, and disruptors of cccDNA formation and transcription...
May 18, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28521477/t-cell-immunity-induced-by-a-bivalent-salmonella-based-ceacam6-and-4-1bbl-vaccines-in-a-rat-colorectal-cancer-model
#19
Chunhui Jin, Xiaoqing Duan, Yingying Liu, Jianhong Zhu, Ke Zhang, Yuanting Zhang, Tingting Xia, Yajun Fei, Jianxin Ye
The present study investigated the anti-tumor mechanisms of recombinant non-specific cross-reacting antigen (CEACAM6) and 4-1BB ligand (4-1BBL) Salmonella-based vaccines, and the effect that these vaccinations have on memory T cells and T helper (Th) cell polarization. Colon tumors were induced in rats via 1,2-dimethylhydrazine (DMH) injections. Rats were then treated with injections of attenuated Salmonella typhimurium carrying pIRES-CEACAM6, pIRES-4-1BBL or pIRES-CEACAM6-4-1BBL. In total, 4 vaccine injections, one every other week, were administered during the 8 weeks subsequent to the DMH injection...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28520854/declines-in-hpv-associated-high-grade-cervical-lesions-after-introduction-of-hpv-vaccines-in-connecticut-us-2008-2015
#20
Linda M Niccolai, James I Meek, Monica Brackney, James L Hadler, Lynn E Sosa, Daniel M Weinberger
Background: Trends in HPV-associated cervical lesions can provide an indication of vaccine impact. Our purpose was to measure trends in cervical lesions during 2008-2015 and to consider possible explanations including vaccination coverage, changes in screening for cervical cancer, and risk behaviors for acquiring HPV. Methods: Connecticut (CT) implemented mandatory reporting of cervical intraepithelial neoplasia grades 2/3 and adenocarcinoma in situ (CIN2+) in 2008...
May 17, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
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