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https://www.readbyqxmd.com/read/28324748/influenza-vaccination-in-adult-patients-with-solid-tumours-treated-with-chemotherapy
#1
REVIEW
Albert Vollaard, Imke Schreuder, Lizzy Slok-Raijmakers, Wim Opstelten, Guus Rimmelzwaan, Hans Gelderblom
Patients with solid tumours receiving chemotherapy are at risk for influenza complications. Yearly influenza vaccination is recommended to patients treated with chemotherapy. However, adherence to vaccination is low, most likely due to lack of data on efficacy, optimal timing and safety of vaccination. There is scarce evidence for the effectiveness of the influenza vaccine in adult patients with solid tumours and chemotherapy on reduction of pneumonia, decreased mortality and fewer interruptions of oncological treatment...
March 16, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28319049/resisting-fatal-attraction-a-glioma-oncometabolite-prevents-cd8-t-cell-recruitment
#2
Liliana E Lucca, David A Hafler
Immunotherapy has emerged as a potent approach for treating aggressive cancers, such as non-small-cell lung tumors and metastatic melanoma. Clinical trials are now in progress for patients with malignant gliomas; however, a better understanding of how these tumors escape immune surveillance is required to enhance antitumor immune responses. With gliomas, the recruitment of CD8+ T cells to the tumor is impaired, in part preventing containment or elimination of the tumor. In this issue of the JCI, Kohanbash and colleagues present an elegant dissection of how gliomas exploit an enzymatic activity acquired through a common mutation to abrogate the migration of CD8+ T cells to the tumor...
March 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28319047/isocitrate-dehydrogenase-mutations-suppress-stat1-and-cd8-t-cell-accumulation-in-gliomas
#3
Gary Kohanbash, Diego A Carrera, Shruti Shrivastav, Brian J Ahn, Naznin Jahan, Tali Mazor, Zinal S Chheda, Kira M Downey, Payal B Watchmaker, Casey Beppler, Rolf Warta, Nduka A Amankulor, Christel Herold-Mende, Joseph F Costello, Hideho Okada
Mutations in the isocitrate dehydrogenase genes IDH1 and IDH2 are among the first genetic alterations observed during the development of lower-grade glioma (LGG). LGG-associated IDH mutations confer gain-of-function activity by converting α-ketoglutarate to the oncometabolite R-2-hydroxyglutarate (2HG). Clinical samples and gene expression data from The Cancer Genome Atlas (TCGA) demonstrate reduced expression of cytotoxic T lymphocyte-associated genes and IFN-γ-inducible chemokines, including CXCL10, in IDH-mutated (IDH-MUT) tumors compared with IDH-WT tumors...
March 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28318706/special-situations-in-inflammatory-bowel-disease-first-latin-american-consensus-of-the-pan-american-crohn-s-and-colitis-organisation-pancco
#4
J K Yamamoto-Furusho, F Bosques-Padilla, P Daffra, J De-Paula, J Etchevers, M T Galiano, P Ibañez, F Juliao, P Kotze, J M Marroquín de la Garza, R Monreal Robles, J L Rocha, F Steinwurz, R Vázquez-Frías, G Veitia, C Zaltman
This is the first Latin American Consensus of the Pan American Crohn's and Colitis Organisation (PANCCO) regarding special situations in patients with inflammatory bowel disease (IBD). The aim of this consensus is to raise awareness in the medical community in all Latin American countries with respect to pregnancy, vaccinations, infections, neoplasms, including colorectal cancer, and pediatric issues in patients with IBD.
March 16, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/28317871/insights-into-molecular-therapy-of-glioma-current-challenges-and-next-generation-blueprint
#5
REVIEW
Y Rajesh, Ipsita Pal, Payel Banik, Sandipan Chakraborty, Sachin A Borkar, Goutam Dey, Ahona Mukherjee, Mahitosh Mandal
Glioma accounts for the majority of human brain tumors. With prevailing treatment regimens, the patients have poor survival rates. In spite of current development in mainstream glioma therapy, a cure for glioma appears to be out of reach. The infiltrative nature of glioma and acquired resistance substancially restrict the therapeutic options. Better elucidation of the complicated pathobiology of glioma and proteogenomic characterization might eventually open novel avenues for the design of more sophisticated and effective combination regimens...
March 20, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28315129/influenza-vaccination-coverage-among-polish-patients-with-chronic-diseases
#6
Aneta Nitsch-Osuch, Izabella Gołębiak, Dorota Wyszkowska, Renata Rosińska, Lidia Kargul, Bożena Szuba, Piotr Tyszko, Lidia Brydak
Patients at a high-risk of severe influenza, because of their underlying health disorders, are recommended to receive a seasonal influenza vaccination. In Poland, influenza coverage rate in the general population is very low (3.4 %). However, there is little known about the coverage rate among high-risk patients. The aim of this study was to describe a general knowledge, perception, and influenza vaccination coverage rate among Polish patients with enhanced risk for influenza. We conducted a self-reported survey among 500 patients with chronic disorders: 120 pulmonary, 80 hemodialyzed, 100 thyroid cancer, and 200 cardiovascular patients...
March 18, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28315060/results-of-a-phase-ib-trial-of-combination-immunotherapy-with-a-cd8-%C3%A2-t-cell-eliciting-vaccine-and-trastuzumab-in-breast-cancer-patients
#7
G Travis Clifton, Jennifer K Litton, Karen Arrington, Sathibalan Ponniah, Nuhad K Ibrahim, Victor Gall, Gheath Alatrash, George E Peoples, Elizabeth A Mittendorf
BACKGROUND: CD8+ T cell-eliciting vaccines are being investigated in breast cancer patients. Preclinical data showed that trastuzumab increases the susceptibility of tumor cells to lysis by vaccine-generated CD8+ T cells, suggesting potential benefit of a combination immunotherapy strategy. The current trial was undertaken to demonstrate the safety of this approach. METHODS: This study was designed as a dose-escalation trial enrolling clinically disease-free, human leukocyte antigen A2+ or A3+ , human epidermal growth factor receptor 2 (HER2)-positive breast cancer patients...
March 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28304339/the-five-immune-forces-impacting-dna-based-cancer-immunotherapeutic-strategy
#8
REVIEW
Suneetha Amara, Venkataswarup Tiriveedhi
DNA-based vaccine strategy is increasingly realized as a viable cancer treatment approach. Strategies to enhance immunogenicity utilizing tumor associated antigens have been investigated in several pre-clinical and clinical studies. The promising outcomes of these studies have suggested that DNA-based vaccines induce potent T-cell effector responses and at the same time cause only minimal side-effects to cancer patients. However, the immune evasive tumor microenvironment is still an important hindrance to a long-term vaccine success...
March 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28303767/immunomonitoring-reveals-interruption-of-anergy-after-vaccination-in-a-case-of-type-2-papillary-renal-cell-carcinoma
#9
Maria A Clavijo-Salomon, Patricia C Bergami-Santos, José Alexandre M Barbuto
With the enormous and growing interest in the clinical application of immunotherapy, we are currently facing the need to accurately monitor the immune function of cancer patients. Here, we describe changes in the immune status of a patient with metastatic type-2-papillary renal cell carcinoma, before and after surgery and subsequent immunotherapy with a dendritic cell-tumor cell hybrid vaccine. Through the accurate assessment of monocyte-derived dendritic cells (Mo-DCs) function, we show that Mo-DCs were freed from tumor-induced maturation blockage by tumor resection surgery, while Mo-DCs-tumor induced suppression and anergy were only interrupted by the vaccination treatment...
March 2017: Immunotherapy
https://www.readbyqxmd.com/read/28303764/recent-progress-in-gm-csf-based-cancer-immunotherapy
#10
Wan-Lun Yan, Kuan-Yin Shen, Chun-Yuan Tien, Yu-An Chen, Shih-Jen Liu
Cancer immunotherapy is a growing field. GM-CSF, a potent cytokine promoting the differentiation of myeloid cells, can also be used as an immunostimulatory adjuvant to elicit antitumor immunity. Additionally, GM-CSF is essential for the differentiation of dendritic cells, which are responsible for processing and presenting tumor antigens for the priming of antitumor cytotoxic T lymphocytes. Some strategies have been developed for GM-CSF-based cancer immunotherapy in clinical practice: GM-CSF monotherapy, GM-CSF-secreting cancer cell vaccines, GM-CSF-fused tumor-associated antigen protein-based vaccines, GM-CSF-based DNA vaccines and GM-CSF combination therapy...
March 2017: Immunotherapy
https://www.readbyqxmd.com/read/28302019/the-breakthroughs-in-cancer-immune-checkpoint-based-therapy-a-review-of-development-in-immune-checkpoint-study-and-its-application
#11
Yao Huang, Dong Liang, Jingfeng Liu, Jinhua Zeng, Yongyi Zeng
Recently, immunotherapy has attracted more attentions to fight cancer due to its selectivity, long lasting effects, and demonstrated better overall survival and tolerance, when compared to patients treated with conventional chemotherapy or radiotherapy alone. The anti-tumor response of patient with cancer is improved either by increasing the effector cell number, the production of soluble mediators, or by modulating the host's immune checkpoint. Over the last decades, many new approaches in immunotherapy have been developed, such as immune checkpoint inhibitors, chimeric antigen receptor T cells (CART), specific T-cell -receptor T cells (TCRT) and cancer vaccine, some of which has been approved by FDA to treat several cancer types...
March 15, 2017: Combinatorial Chemistry & High Throughput Screening
https://www.readbyqxmd.com/read/28301790/human-papillomavirus-vaccination-and-genital-warts-in-young-indigenous-australians-national-sentinel-surveillance-data
#12
Hammad Ali, Hamish McManus, Catherine C O'Connor, Denton Callander, Marlene Kong, Simon Graham, Dina Saulo, Christopher K Fairley, David G Regan, Andrew Grulich, Nicola Low, Rebecca J Guy, Basil Donovan
OBJECTIVES: To examine the impact of the national human papillomavirus (HPV) vaccination program (available to girls and women [12-26 years] since 2007 and to boys [12-15 years] since 2013) on the number of diagnoses of genital warts in Australian Aboriginal and Torres Strait Islander (Indigenous) people. DESIGN, SETTING, PARTICIPANTS: Analysis of routinely collected data from patients attending 39 sexual health clinics (SHCs) in the Genital Warts Surveillance Network for the first time...
March 20, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28301611/gtl001-a-bivalent-therapeutic-vaccine-against-human-papillomavirus-16-and-18-induces-antigen-specific-cd8-t-cell-responses-leading-to-tumor-regression
#13
Michaël Esquerré, Myriam Bouillette-Marussig, Anne Goubier, Marie Momot, Christophe Gonindard, Hélène Keller, Astrid Navarro, Marie-Christine Bissery
BACKGROUND: Prophylactic vaccines are available for women and girls not yet infected with HPV, but women already infected with HPV need a treatment to prevent progression to high-grade cervical lesions and cancer. GTL001 is a bivalent therapeutic vaccine for eradicating HPV-infected cells that contains HPV16 E7 and HPV18 E7 both fused to detoxified adenylate cyclase from Bordetella pertussis, which binds specifically to CD11b+ antigen-presenting cells. This study examined the ability of therapeutic vaccination with GTL001 adjuvanted with topical imiquimod cream to induce functional HPV16 E7- and HPV18 E7-specific CD8+ T cell responses...
2017: PloS One
https://www.readbyqxmd.com/read/28300047/knowledge-attitude-and-experience-of-cervical-cancer-and-screening-among-sub-saharan-african-female-students-in-a-uk-university
#14
Faith Sopuruchukwu Ogbonna
BACKGROUND: Cervical cancer is one of the major diseases that affect women of child bearing age. Its main cause is the human papilloma virus; although, other associated factors have been evidenced to increase its risk. Pap-smear screening and vaccination which has been shown to be successful in reducing the incidence and prevalence of the disease in developed countries, has been neglected in developing countries due to lack of knowledge, misconceptions, and cultural beliefs. MATERIALS AND METHODS: A cross-sectional study involving only female Sub-Saharan Africa (SSA) students in a UK university setting...
January 2017: Annals of African Medicine
https://www.readbyqxmd.com/read/28299466/development-of-oral-cancer-vaccine-using-recombinant-bifidobacterium-displaying-wilms-tumor-1-protein
#15
Koichi Kitagawa, Tsugumi Oda, Hiroki Saito, Ayame Araki, Reina Gonoi, Katsumi Shigemura, Yoshiko Hashii, Takane Katayama, Masato Fujisawa, Toshiro Shirakawa
Several types of vaccine-delivering tumor-associated antigens (TAAs) have been developed in basic and clinical research. Wilms' tumor 1 (WT1), identified as a gene responsible for pediatric renal neoplasm, is one of the most promising TAA for cancer immunotherapy. Peptide and dendritic cell-based WT1 cancer vaccines showed some therapeutic efficacy in clinical and pre-clinical studies but as yet no oral WT1 vaccine can be administrated in a simple and easy way. In the present study, we constructed a novel oral cancer vaccine using a recombinant Bifidobacterium longum displaying WT1 protein...
March 15, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28299344/advances-in-immunotherapy-for-glioblastoma-multiforme
#16
REVIEW
Boyuan Huang, Hongbo Zhang, Lijuan Gu, Bainxin Ye, Zhihong Jian, Creed Stary, Xiaoxing Xiong
Glioblastoma multiforme (GBM) is the most common primary malignant brain tumor in adults. Patients with GBM have poor outcomes, even with the current gold-standard first-line treatment: maximal safe resection combined with radiotherapy and temozolomide chemotherapy. Accumulating evidence suggests that advances in antigen-specific cancer vaccines and immune checkpoint blockade in other advanced tumors may provide an appealing promise for immunotherapy in glioma. The future of therapy for GBM will likely incorporate a combinatorial, personalized approach, including current conventional treatments, active immunotherapeutics, plus agents targeting immunosuppressive checkpoints...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28298901/unveiling-another-missing-piece-in-ebv-driven-lymphomagenesis-ebv-encoded-micrornas-expression-in-eber-negative-burkitt-lymphoma-cases
#17
Lucia Mundo, Maria R Ambrosio, Matteo Picciolini, Giuseppe Lo Bello, Sara Gazaneo, Leonardo Del Porro, Stefano Lazzi, Mohsen Navari, Noel Onyango, Massimo Granai, Cristiana Bellan, Giulia De Falco, Davide Gibellini, Pier P Piccaluga, Lorenzo Leoncini
Epstein-Barr virus (EBV) is a gammaherpesvirus linked to a number of lymphoid and epithelial malignancies, including Burkitt lymphoma (BL) in which its frequency ranges from 30% in sporadic cases to 100% in the endemic ones. The possible contribution of EBV to BL pathogenesis is largely unknown. It has been suggested that EBV may be associated with all of the cases, including those diagnosed as EBV negative by a mechanism of hit-and-run. Early during oncogenesis, viral genes are essential for initiating disease...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28296410/a-light-responsive-nanoparticle-based-delivery-system-using-pheophorbide-a-graft-polyethyleneimine-for-dendritic-cell-based-cancer-immunotherapy
#18
Chuangnian Zhang, Ju Zhang, Gaona Shi, Huijuan Song, Shengbin Shi, Xiuyuan Zhang, Pingsheng Huang, Zhihong Wang, Weiwei Wang, Chun Wang, Deling Kong, Chen Li
In this study, the photochemical internalization (PCI) technique was adopted in a nanoparticle-based antigen delivery system to enhance antigen-specific CD8(+) T cell immune response for cancer immunotherapy. Pheophorbide-A, a hydrophobic photosensitizer, grafted with polyethyleneimine (PheoA-PEI) with endosome escape activity and near infrared imaging capability was prepared. A model antigen ovalbumin (OVA) was then complexed with PheoA-PEI to form PheoA-PEI/OVA nanoparticles (PheoA-PEI/OVA NPs) that are responsive to light...
March 15, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28296286/nanomedicine-approaches-to-improve-cancer-immunotherapy
#19
REVIEW
Hui Qiu, Yuanzeng Min, Zach Rodgers, Longzhen Zhang, Andrew Z Wang
Significant advances have been made in the field of cancer immunotherapy by orchestrating the body's immune system to eradicate cancer cells. However, safety and efficacy concerns stemming from the systemic delivery of immunomodulatory compounds limits cancer immunotherapies expansion and application. In this context, nanotechnology presents a number of advantages, such as targeted delivery to immune cells, enhanced clinical outcomes, and reduced adverse events, which may aid in the delivery of cancer vaccines and immunomodulatory agents...
March 10, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28295268/the-impact-of-community-health-educators-on-uptake-of-cervical-and-breast-cancer-prevention-services-in-nigeria
#20
Chibuike O Chigbu, Azubuike K Onyebuchi, Tonia C Onyeka, Boniface U Odugu, Cyril C Dim
OBJECTIVE: To determine the impact of trained community health educators on the uptake of cervical and breast cancer screening, and HPV vaccination in rural communities in southeast Nigeria. METHODS: A prospective population-based intervention study, with a before-and-after design, involved four randomly selected communities in southeast Nigeria from February 2014 to February 2016. Before the intervention, baseline data were collected on the uptake of cervical and breast cancer prevention services...
March 12, 2017: International Journal of Gynaecology and Obstetrics
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