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https://www.readbyqxmd.com/read/27901642/a-generic-rna-pulsed-dc-based-approach-for-developing-therapeutic-intervention-against-nasopharyngeal-carcinoma
#1
Rajeev K Tyagi, Rajesh Parmar, Naisargee Patel
The recurrent nasopharyngeal carcinoma of head-and-neck cancers pathology showed unique symptoms and clinical characteristics. The complexity of pathology poses challenges for developing therapeutic interventional approaches against nasopharyngeal carcinoma (NPC). The conventional treatment regimens offer limited local control and survival, which, leads to adverse delayed complications. Our study present a generic monocyte derived dendritic cell (MoDC) vaccine strategy for NPC in which RNA is used as a source of tumor-associated antigens (TAAgs)...
November 30, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27892990/zika-virus-what-the-otolaryngologist-should-know-a-review
#2
Demetri Arnaoutakis, Tapan Padhya
Importance: Initially discovered in 1947, Zika virus infection received little notoriety as a tropical disease until 2015 when an outbreak of microcephaly cases was reported in Brazil. Zika is a single-stranded RNA arbovirus of the Flaviviridae family. The primary source of infection in humans stems from Aedes aegypti mosquito bites but can also occur through sexual, blood, and perinatal transmission. With expectations that 3 to 4 million people across the Americas will be infected over the next year, the World Health Organization has declared this event a Public Health Emergency of International Concern...
November 17, 2016: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/27879558/impact-of-pneumococcal-conjugate-vaccines-on-selected-head-and-neck-infections-in-hospitalized-israeli-children
#3
Tal Marom, Shiran Bookstein Peretz, Orna Schwartz, Abraham Goldfarb, Yahav Oron, Sharon Ovnat Tamir
INTRODUCTION: Streptococcus pneumoniae is a major pathogen of pediatric head and neck infections (HNIs), e.g. acute otitis media (AOM), acute mastoiditis (AM), acute bacterial sinusitis (ABS) and meningitis. The aim of the study was to characterize the epidemiology of pneumococcal HNIs (pHNIs) before, during, and after the introduction of pneumococcal conjugate vaccines (PCVs). METHODS: Children 0-16 years who were hospitalized with HNIs in the Pediatrics Department in a general hospital between 1/1/2007-12/31/2014 were retrospectively identified...
November 22, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27869439/immunology-update-long-term-care-of-solid-organ-transplant-recipients
#4
S Paul Starr
Nearly 31,000 US patients received solid organ transplants in 2015 and the number is increasing. Care of transplant recipients includes management of a variety of common posttransplantation issues. Skin cancers are common because of immunosuppression and require skin examinations at intervals. Patients should be educated about the need to report new skin lesions. The rates of other cancers also are increased, including cancers of the head and neck, lung, esophagus, cervix, and urinary tract. Osteoporosis is common in transplant recipients; monitoring and early therapy are important...
November 2016: FP Essentials
https://www.readbyqxmd.com/read/27863623/tuberculous-lymphadenitis-of-the-head-and-neck-in-canadian-children-experience-from-a-low-burden-region
#5
Jason J Xu, Shazia Peer, Blake C Papsin, Ian Kitai, Evan J Propst
BACKGROUND: Children are more likely than adults to develop extra-pulmonary tuberculosis (EPTB), which often presents as cervical lymphadenopathy. The role of surgery in management is uncertain. We reviewed all head and neck EPTB cases presenting to our tertiary care pediatric institution over a twelve-year period. METHODS: All children 18 years of age and younger with EPTB involving the head and neck were included. We recorded clinical data and age at diagnosis, birth country, BCG vaccination status, as well as radiographic, surgical, histological, and microbiological results...
December 2016: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/27772624/human-papillomavirus-in-kidney-transplant-recipients
#6
REVIEW
Peter V Chin-Hong
Human papillomavirus (HPV) is a common infection in kidney transplant recipients. HPV causes cervical, anal, vulvar, vaginal, penile and head and neck cancers. Kidney transplant recipients have a disproportionate burden of disease given prolonged immunosuppression. Given the long pre-invasive state of precancer lesions such as cervical intraepithelial neoplasia (CIN) and anal intraepithelial neoplasia (AIN) most HPV-cancers are preventable with screening and targeted treatment of disease. Pre-transplant vaccination of age-eligible kidney transplant recipients is otherwise ideal...
September 2016: Seminars in Nephrology
https://www.readbyqxmd.com/read/27751760/neoantigens-in-immunotherapy-and-personalized-vaccines-implications-for-head-and-neck-squamous-cell-carcinoma
#7
Paul Zolkind, Gavin P Dunn, Tianxiang Lin, Malachi Griffith, Obi L Griffith, Ravindra Uppaluri
The recent success of immunotherapies has demonstrated the potency of tumor-specific immune cells in mediating tumor rejection and generating durable tumor immunity. Our understanding of the scientific basis of these responses results from the confluence of a better comprehension of the cancer immunoediting process and the revolution in next generation sequencing of cancer genomes. Recent evidence suggests that T cell specificity for cancer cell expressed mutant proteins - termed neoantigens - is an important component of immune mediated tumor rejection...
October 14, 2016: Oral Oncology
https://www.readbyqxmd.com/read/27699546/vaccination-expectations-in-hnscc
#8
Stina Syrjänen, Jaana Rautava
HPV-associated head and neck squamous cell carcinoma (HNSCC), more specifically the incidence of oropharyngeal cancer, is dramatically increasing in industrialized countries. According to what has been learned from anogenital vaccination programs, there are reasons to believe that current human papillomavirus (HPV) vaccinations may be potentially effective also against HNSCC. However, before specific results on HNSCC are available, one must keep in mind that carcinogenesis in the head and neck region may differ from that of the anogenital tract...
2017: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27622018/intra-cheek-immunization-as-a-novel-vaccination-route-for-therapeutic-vaccines-of-head-and-neck-squamous-cell-carcinomas-using-plasmo-virus-like-particles
#9
Rodney Macedo, Juliette Rochefort, Maude Guillot-Delost, Kae Tanaka, Aline Le Moignic, Clara Noizat, Claude Baillou, Véronique Mateo, Antoine F Carpentier, Eric Tartour, Chloé Bertolus, Bertrand Bellier, Géraldine Lescaille, François M Lemoine
Despite current therapy, head and neck squamous cell carcinomas (HNSCCs) arising from various mucosal sites of the upper aero-digestive tract frequently relapse in a loco-regional manner and have a poor prognosis. Our objective was to validate an innovative mucosal route of vaccination using plasmo virus-like particles (pVLPs) in a pre-clinical orthotopic model of HNSCCs. For this purpose, we used pVLP-E7, that are plasmid DNA encoding retroviral virus-like particles carrying a truncated E7 oncoprotein from HPV-16 as antigen model, to vaccinate mice bearing pre-established TC-1 tumors implanted into the buccal mucosa...
July 2016: Oncoimmunology
https://www.readbyqxmd.com/read/27614589/cytoreductive-surgery-for-head-and-neck-squamous-cell-carcinoma-in-the-new-age-of-immunotherapy
#10
R Bryan Bell, Michael J Gough, Steven K Seung, Zeljka Jutric, Andrew D Weinberg, Bernard A Fox, Marka R Crittenden, Rom S Leidner, Brendan Curti
Cytoreductive surgery is an approach to cancer treatment that aims to reduce the number of cancer cells via resection of primary tumor or metastatic deposits, in an effort to minimize a potentially immunosuppressive tumor burden, palliate symptoms, and prevent complications. Furthermore, it provides a platform for investigation of biomarkers with the goal of optimizing immunotherapy to reverse the immunosuppressive tumor microenvironment and enhance adaptive immune responses. Ultimately, our group aims to exploit the concept that successful cancer therapy is dependent upon an effective immune response...
October 2016: Oral Oncology
https://www.readbyqxmd.com/read/27605067/dna-based-immunotherapy-for-hpv-associated-head-and-neck-cancer
#11
Charu Aggarwal
Squamous cell carcinoma of the head and neck (SCCHN) accounts for 3% of all cancers. Most patients present with locally advanced disease, where multimodality therapies are used with curative intent. Despite favorable early local treatment results, about one third of the patients will eventually develop metastatic disease. Immunotherapy offers a novel therapeutic strategy beyond cytotoxic chemotherapy, with initial approvals in melanoma and non-small-cell lung cancer. HPV-associated SCCHN is a distinct subset, with unique epidemiology and treatment outcomes...
October 2016: Immunotherapy
https://www.readbyqxmd.com/read/27555904/hpv-and-oral-lesions-preventive-possibilities-vaccines-and-early-diagnosis-of-malignant-lesions
#12
REVIEW
D Testi, M Nardone, P Melone, P Cardelli, L Ottria, C Arcuri
The importance of HPV in world healthy is high, in fact high-risk HPV types contribute significantly to viral associated neoplasms. In this article we will analyze vary expression of HPV in oral cavity both benign and malignant, their prevalence and the importance in early diagnosis and prevention. The classical oral lesions associated with human papillomavirus are squamous cell papilloma, condyloma acuminatum, verruca vulgaris and focal epithelial hyperplasia. Overall, HPV types 2, 4, 6, 11, 13 and 32 have been associated with benign oral lesions while HPV types 16 and 18 have been associated with malignant lesions, especially in cancers of the tonsils and elsewhere in the oropharynx...
April 2015: Oral & Implantology
https://www.readbyqxmd.com/read/27548034/vaccination-against-human-papilloma-viruses-leads-to-a-favorable-cytokine-profile-of-specific-t-cells
#13
Stefanie Luckau, Tim P Wehrs, Sven Brandau, Peter A Horn, Monika Lindemann
Several human papilloma viruses (HPV) are known to cause malignant transformation. The high-risk type HPV 16 is associated with cervical carcinoma and head and neck squamous cell carcinoma. HPV 16-positive tumor cells exclusively carry the HPV 16 oncogenes E6 and E7. These oncogenes appear as excellent targets for an adoptive immunotherapy. We here addressed the question whether specific T cells from HPV-vaccinated healthy volunteers could be especially suitable for an HPV-specific cellular immunotherapy. Of note, vaccines contain HPV 16...
October 2016: Journal of Immunotherapy
https://www.readbyqxmd.com/read/27500080/human-papillomavirus-hpv-infections-and-the-importance-of-hpv-vaccination
#14
Chia-Ching J Wang, Joel M Palefsky
HPV persistence is necessary for the development of anogenital cancer. Studies show that cervical and anal HPV infections in women and in men who have sex with men are common. Clearance of HPV infection is similarly common; few individuals show persistence unless they are HIV-infected. HIV strongly influences the development of cervical and anal cancer, as well as their pre-malignant counterparts. Women with cervical and vulvar HPV-associated lesions have higher rates of anal cancer than the general population...
June 2015: Current Epidemiology Reports
https://www.readbyqxmd.com/read/27492979/human-papillomavirus-hpv-making-the-case-for-immunisation-for-all
#15
Gillian Prue, Mark Lawler, Peter Baker, Saman Warnakulasuriya
Human Papillomavirus (HPV) contributes to the most common sexually transmitted infections, with repeated and persistent infection with particular types causing disease in both men and women. Infection with low-risk HPV types can lead to genital warts and benign lesions of the oral cavity, while high-risk types can cause various HPV-related malignancies. The incidence of head and neck cancer has been rising in the past number of decades mostly due to oropharyngeal cancer linked to HPV infection. HPV vaccination has been shown to be effective for cervical and other anogenital HPV-related cancers, and there is significant potential for HPV vaccination to prevent oropharyngeal cancers, given that the HPV types implicated in this disease can be protected against by the HPV vaccine...
August 5, 2016: Oral Diseases
https://www.readbyqxmd.com/read/27485136/therapeutic-hpv-cancer-vaccine-targeted-to-cd40-elicits-effective-cd8-t-cell-immunity
#16
Wenjie Yin, Dorothée Duluc, HyeMee Joo, Yaming Xue, Chao Gu, Zhiqing Wang, Lei Wang, Richard Ouedraogo, Lance Oxford, Amelia Clark, Falguni Parikh, Seunghee Kim-Schulze, LuAnn Thompson-Snipes, Sang-Yull Lee, Clay Beauregard, Jung-Hee Woo, Sandra Zurawski, Andrew G Sikora, Gerard Zurawski, SangKon Oh
Human papillomavirus (HPV), particularly HPV16 and HPV18, can cause cancers in diverse anatomical sites, including the anogenital and oropharyngeal (throat) regions. Therefore, development of safe and clinically effective therapeutic vaccines is an important goal. Herein, we show that a recombinant fusion protein of a humanized antibody to CD40 fused to HPV16.E6/7 (αCD40-HPV16.E6/7) can evoke HPV16.E6/7-specific CD8(+) and CD4(+) T-cell responses in head-and-neck cancer patients in vitro and in human CD40 transgenic (hCD40Tg) mice in vivo The combination of αCD40-HPV16...
October 2016: Cancer Immunology Research
https://www.readbyqxmd.com/read/27481200/-the-importance-of-hpv-vaccination-in-men
#17
Borek Sehnal, Roman Chlíbek, Jiří Sláma
The important goal of immunization programs in many countries is the reduction of the incidence of cervical cancer using either the quadrivalent (Silgard/Gardasil) or the bivalent (Cervarix) HPV (human papillomavirus) vaccine. Nevertheless, HPV infection is associated with the development of cancers of anus, vagina, vulva and penis, and cancers of the head and neck and genital warts, too. Large trials for both vaccines find efficacy against HPV-related infection and different HPV associated diseases.Infection with HPV and diseases caused by HPV are common in boys and men, too...
2016: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/27239235/immunotherapy-for-head-and-neck-cancer-latest-developments-and-clinical-potential
#18
REVIEW
Joshua M Bauml, Roger B Cohen, Charu Aggarwal
Head and neck squamous cell cancer (HNSCC) is a malignancy with a rapidly changing demographic profile, given the recent epidemic of human papilloma virus related cancers. Most patients present with locally advanced disease and receive combination therapeutic approaches with curative potential, albeit with significant toxicity. Up to a third of patients, however, will eventually develop recurrent or metastatic disease. The prognosis of such patients is dismal, as palliative treatment options remain limited...
May 2016: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/27197149/in-situ-tumor-vaccination-by-combining-local-radiation-and-tumor-specific-antibody-or-immunocytokine-treatments
#19
Zachary S Morris, Emily I Guy, David M Francis, Monica M Gressett, Lauryn R Werner, Lakeesha L Carmichael, Richard K Yang, Eric A Armstrong, Shyhmin Huang, Fariba Navid, Stephen D Gillies, Alan Korman, Jacquelyn A Hank, Alexander L Rakhmilevich, Paul M Harari, Paul M Sondel
Interest in combining radiotherapy and immune checkpoint therapy is growing rapidly. In this study, we explored a novel combination of this type to augment antitumor immune responses in preclinical murine models of melanoma, neuroblastoma, and head and neck squamous cell carcinoma. Cooperative effects were observed with local radiotherapy and intratumoral injection of tumor-specific antibodies, arising in part from enhanced antibody-dependent cell-mediated cytotoxicity (ADCC). We could improve this response by combining radiation with intratumoral injection of an IL2-linked tumor-specific antibody (termed here an immunocytokine), resulting in complete regression of established tumors in most animals associated with a tumor-specific memory T-cell response...
July 1, 2016: Cancer Research
https://www.readbyqxmd.com/read/27136745/interaction-of-acid-ceramidase-inhibitor-lcl521-with-tumor-response-to-photodynamic-therapy-and-photodynamic-therapy-generated-vaccine
#20
Mladen Korbelik, Judit Banáth, Wei Zhang, Kyi Min Saw, Zdzislaw M Szulc, Alicja Bielawska, Duska Separovic
Acid ceramidase has been identified as a promising target for cancer therapy. One of its most effective inhibitors, LCL521, was examined as adjuvant to photodynamic therapy (PDT) using mouse squamous cell carcinoma SCCVII model of head and neck cancer. Lethal effects of PDT, assessed by colony forming ability of in vitro treated SCCVII cells, were greatly enhanced when combined with 10 µM LCL521 treatment particularly when preceding PDT. When PDT-treated SCCVII cells are used to vaccinate SCCVII tumor-bearing mice (PDT vaccine protocol), adjuvant LCL521 treatment (75 mg/kg) resulted in a marked retardation of tumor growth...
September 15, 2016: International Journal of Cancer. Journal International du Cancer
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