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https://www.readbyqxmd.com/read/28339568/varicella-in-a-previously-immune-patient-with-leukemia
#1
Michelle Sewnarine, Sujatha Rajan, Arlene Redner, Lorry G Rubin
Infection with varicella-zoster virus (VZV) in oncology patients can result in severe disease with an increased risk of morbidity and mortality [1, 2]. Among patients on cancer chemotherapy, only nonimmune persons are considered to be susceptible to varicella [1]. We present a case of varicella in a child with leukemia that occurred despite immunity as defined by 2 doses of varicella vaccine and documentation of positive VZV immunoglobulin G titer before initiation of chemotherapy.
January 19, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28333258/anal-neoplasia-in-inflammatory-bowel-disease-classification-proposal-epidemiology-carcinogenesis-and-risk-management-perspectives
#2
Andrew Wisniewski, Jean-Francois Fléjou, Laurent Siproudhis, Laurent Abramowitz, Magali Svrcek, Laurent Beaugerie
Patients with inflammatory bowel disease (IBD) may develop, similarly to individuals from general population, rare cases of HPV-related anal canal squamous cell carcinoma (SCC) and their intra-epithelial precursor lesions, as well as very rare cases of anal canal adenocarcinoma. Patients with chronic perianal Crohn's disease (CD) are at substantial risk of developing SCC or adenocarcinoma from the fistula-lining epithelium, as well as SCC or adenocarcinoma arising from chronic anorectal ulcerations or strictures...
March 10, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28332774/changing-hpv-vaccination-rates-in-bisexual-and-lesbian-women
#3
Carolee Polek, Thomas Hardie
BACKGROUND: Human papillomavirus (HPV) vaccination rates continue to be below national targets for women and lower in some sexual minorities. HPV is a primary causal agent in cervical cancer, from which members of the lesbian and bisexual community mistakenly believe they are at low risk. This study characterized rates of HPV vaccination in women based on their sexual orientation. METHODS: Data were obtained from the Centers for Disease Control and Prevention's National Health Interview Survey 2013-2014...
March 23, 2017: Journal of the American Association of Nurse Practitioners
https://www.readbyqxmd.com/read/28332219/targeting-immunotherapy-to-the-tumor-microenvironment
#4
Michael Dougan, Stephanie K Dougan
Targeting drugs to the tumor microenvironment has long been appreciated as a means of increasing local concentrations and decreasing systemic toxicities. How drug targeting might apply to immune-based therapies is less clear. In this review, we explain the immunology of cancer, with a focus on the principles of in situ vaccination. Certain types of therapies are more amenable to local versus systemic delivery; these include cytokines, adjuvants, radiation, and agents targeting tumor-resident cell populations...
March 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28331981/vaccination-in-oncology-practice-and-predictors
#5
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/28330372/car-t-cell-therapy-progress-and-prospects
#6
Olivia Wilkins, Allison May Keeler, Terence R Flotte
Lentivirus-mediated transduction of autologous T-cells with a chimeric antigen receptor (CAR) to confer a desired epitope-specificity as a targeted immunotherapy for cancer has been among the first human gene therapy techniques to demonstrate widespread therapeutic efficacy. Other approaches to using gene therapy to enhance anti-tumor immunity have been less specific and less effective. These included amplification, marking, and cytokine transduction of tumor infiltrating lymphocytes (TIL), recombinant virus-based expression of tumor antigens as a tumor vaccine, and transduction of antigen-presenting cells (APCs) with tumor antigens...
March 23, 2017: Human Gene Therapy Methods
https://www.readbyqxmd.com/read/28330110/sequence-based-approach-for-rapid-identification-of-cross-clade-cd8-t-cell-vaccine-candidates-from-all-high-risk-hpv-strains
#7
Krishna P Singh, Neeraj Verma, Bashir A Akhoon, Vishal Bhatt, Shishir K Gupta, Shailendra K Gupta, Suchi Smita
Human papilloma virus (HPV) is the primary etiological agent responsible for cervical cancer in women. Although in total 16 high-risk HPV strains have been identified so far. Currently available commercial vaccines are designed by targeting mainly HPV16 and HPV18 viral strains as these are the most common strains associated with cervical cancer. Because of the high level of antigenic specificity of HPV capsid antigens, the currently available vaccines are not suitable to provide cross-protection from all other high-risk HPV strains...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28328001/cancer-vaccines-at-the-age-of-immune-checkpoint-inhibitors-reasonable-approach-as-combination-therapy-in-advanced-urothelial-carcinoma
#8
Petros Grivas, Vadim S Koshkin, Sumanta K Pal
No abstract text is available yet for this article.
February 21, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28327987/pssmhcpan-a-novel-pssm-based-software-for-predicting-class-i-peptide-hla-binding-affinity
#9
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
Background: Predicting peptides 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 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...
March 15, 2017: GigaScience
https://www.readbyqxmd.com/read/28325903/whole-genome-analysis-of-human-papillomavirus-types-16-18-and-58-isolated-from-cervical-precancer-and-cancer-samples-in-chinese-women
#10
Ying Liu, Yaqi Pan, Weijiao Gao, Yang Ke, Zheming Lu
Human papillomavirus (HPV) types 16, 18 and 58 are ranked the top three high-risk HPV types for cervical intraepithelial neoplasia (CIN) and invasive carcinoma. We aimed to evaluate the diversity of HPV16, HPV18, and HPV58 genetic variants by HPV capture technology combined with next generation sequencing. 295, 73, and 148 variations were observed in 51 HPV16, 7 HPV18, and 11 HPV58 genomes, respectively. HPV16 isolates were predominantly of the A variant lineage, and sublineage A4 (Asian) was the most common...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28325131/text-message-reminder-recall-to-increase-hpv-immunization-in-young-hiv-1-infected-patients
#11
Susana Williams Keeshin, Judith Feinberg
HIV infected patients have higher rates of HPV infection, worse disease progression, increase severity of disease, and are at higher risk for intraepithelial neoplasia and cancer than their HIV negative counterparts. We conducted a yearlong pilot project to evaluate the impact of text message HPV immunization reminder-recall in young HIV-1 positive patients in a large urban academic HIV clinic. We found that text message reminder-recall improved HPV immunization uptake in a young, primarily black and un- or under-insured HIV-1 infected patients...
March 2017: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/28324748/influenza-vaccination-in-adult-patients-with-solid-tumours-treated-with-chemotherapy
#12
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/28322974/current-modalities-in-cancer-immunotherapy-immunomodulatory-antibodies-cars-and-vaccines
#13
REVIEW
Jason Lohmueller, Olivera J Finn
Successes of immune checkpoint inhibitors (ICIs) and chimeric antigen receptor (CAR) T cell therapy in curing patients with otherwise lethal cancers have validated immunotherapy as a treatment for cancer and have inspired excitement for its broader potential. Most promising is the ability of each approach to eliminate bulky and advanced-stage cancers and to achieve durable cures. Despite this success, to date only a subset of cancer patients and a limited number of cancer types respond to these therapies. A major goal now is to expand the types of cancer and number of patients who can be successfully treated...
March 16, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28322641/association-between-parental-hpv-knowledge-and-intentions-to-have-their-daughters-vaccinated
#14
Lisa N Mansfield, Elijah O Onsomu, Elizabeth Merwin, Naomi M Hall, Alfreda Harper-Harrison
Human papillomavirus (HPV) 16 and 18 causes 66% of cervical cancers (Dunne et al., 2014). Vaccination during adolescence can prevent HPV-associated cervical cancers, yet less than half of adolescent girls are vaccinated. This study examined the association between HPV knowledge and parental intentions to vaccinate daughters against HPV. A retrospective, cross-sectional, national data set from the 2006-2007 Health Information National Trends Survey (HINTS) was used. A multivariate multinomial logistic regression analysis was used to estimate the association between intent to vaccinate and HPV knowledge...
December 1, 2016: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/28322122/a-survey-of-wisconsin-pediatricians-knowledge-and-practices-regarding-the-human-papillomavirus-vaccine
#15
Marc R Rohrbach, Aaron M Wieland
Objective The human papillomavirus (HPV) is common and carries a significant burden of disease. This is increasingly apparent in males with the rising incidence of HPV-related oropharyngeal cancer. Unfortunately, vaccination rates remain poor and are lowest in males. It is unclear if pediatricians are aware of the alarming rise of HPV-mediated head and neck cancers and the disproportionate effect on males. Study Design This investigation used a cross-sectional descriptive survey research design. Setting The survey was developed by investigators in the University of Wisconsin Division of Otolaryngology...
March 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28321817/adverse-events-in-cancer-immunotherapy
#16
Noha Abdel-Wahab, Anas Alshawa, Maria E Suarez-Almazor
Cancer immunotherapy has resulted in durable responses in patients with metastatic disease, unseen with traditional chemotherapy. Several therapies have been approved by the Food and Drug Administration for the treatment of various cancers, including: immune checkpoint inhibitors, cytokines - interleukin 2 (IL-2) and interferon alpha (IFN), and the cancer vaccine sipuleucel-T. These therapies upregulate the immune system to enhance antitumor responses. As a consequence, they can cause inflammatory and immune-related adverse events that can affect one or more organs, can be serious, and on occasion lifethreatening...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28321480/a-new-peptide-vaccine-ocv-501-in-vitro-pharmacology-and-phase-1-study-in-patients-with-acute-myeloid-leukemia
#17
Yukio Kobayashi, Toru Sakura, Shuichi Miyawaki, Kazuyuki Toga, Shinji Sogo, Yuji Heike
Wilms' tumor 1 (WT1) is a promising target of new immunotherapies for acute myeloid leukemia (AML) as well as for other cancers. OCV-501 is a helper peptide derived from the WT1 protein. OCV-501 induced OCV-501-specific Type 1 T-helper (Th1) responses dose-dependently and stimulated helper activity of the specific Th1 cells in peripheral blood mononuclear cells from healthy donors. OCV-501 also enhanced the increase in WT1-killer peptide-specific cytotoxic T lymphocytes. OCV-501 stimulated the OCV-501-specific Th1 clones in an HLA class-II restricted manner and formed a complex with HLA class-II protein...
March 20, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28319049/resisting-fatal-attraction-a-glioma-oncometabolite-prevents-cd8-t-cell-recruitment
#18
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
#19
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
#20
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
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