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https://www.readbyqxmd.com/read/28087382/efficacy-and-safety-of-high-dose-rush-oral-immunotherapy-in-persistent-egg-allergic-children-a-randomized-clinical-trial
#1
Inmaculada Pérez-Rangel, Pablo Rodríguez Del Río, Carmelo Escudero, Silvia Sánchez-García, José Javier Sánchez-Hernández, María Dolores Ibáñez
BACKGROUND: Egg oral immunotherapy is effective but time consuming. OBJECTIVE: To assess the efficacy and safety of egg rush oral immunotherapy (ROIT) with a targeted dose equivalent to a raw egg white. METHODS: Thirty-three persistent egg allergic children confirmed by double-blind, placebo-controlled food challenge (DBPCFC) were randomized to receive egg ROIT immediately after randomization (ROIT1 group), or to continue an egg avoidance diet for 5 months after randomization (control group [CG])...
January 10, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28086948/is-there-still-a-role-for-cytotoxic-chemotherapy-after-targeted-therapy-and-immunotherapy-in-metastatic-melanoma-a-case-report-and-literature-review
#2
Aurélien Simon, Hampig Raphael Kourie, Joseph Kerger
Metastatic melanoma has long been considered to have a very poor prognosis and to be chemo-resistant. However, a subgroup of patients with metastatic melanoma presents remarkable responses to chemotherapeutic agents, even in the absence of a response to modern targeted therapies and immunotherapies; accordingly, determining predictive biomarkers of the response to chemotherapies for metastatic melanoma remains a priority to guide treatment in these patients. We report a case study of a patient with B-Raf proto-oncogene serine/threonine kinase-mutated metastatic melanoma harbouring many genetic mutations...
January 13, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28081194/t-cell-epitope-containing-domains-of-ragweed-amb-a-1-and-mugwort-art-v-6-modulate-immunologic-responses-in-humans-and-mice
#3
Ana I Sancho, Michael Wallner, Michael Hauser, Birgit Nagl, Martin Himly, Claudia Asam, Christof Ebner, Beatrice Jahn-Schmid, Barbara Bohle, Fatima Ferreira
BACKGROUND: Ragweed (Ambrosia artemisiifolia) and mugwort (Artemisia vulgaris) are the major cause of pollen allergy in late summer. Allergen-specific lymphocytes are crucial for immune modulation during immunotherapy. We sought to generate and pre-clinically characterise highly immunogenic domains of the homologous pectate lyases in ragweed (Amb a 1) and mugwort pollen (Art v 6) for immunotherapy. METHODS: Domains of Amb a 1 (Amb a 1α) and Art v 6 (Art v 6α) and a hybrid molecule, consisting of both domains, were designed, expressed in E...
2017: PloS One
https://www.readbyqxmd.com/read/28079291/prognostic-value-of-pd-l1-in-breast-cancer-a-meta-analysis
#4
Changjun Wang, Hanjiang Zhu, Yidong Zhou, Feng Mao, Yan Lin, Bo Pan, Xiaohui Zhang, Qianqian Xu, Xin Huang, Qiang Sun
Programmed cell death 1 ligand 1 (PD-L1) is a promising therapeutic target for cancer immunotherapy. However, the correlation between PD-L1 and breast cancer survival remains unclear. Here, we present the first meta-analysis to investigate the prognostic value of PD-L1 in breast cancer. We searched Pubmed, Embase, and Cochrane Central Register of Controlled Trials databases for relevant studies evaluating PD-L1 expression and breast cancer survival. Fixed- and random-effect meta-analyses were conducted based on heterogeneity of included studies...
January 12, 2017: Breast Journal
https://www.readbyqxmd.com/read/28074525/efficacy-of-superficial-cryotherapy-on-the-eyebrows-of-patients-with-alopecia-universalis-also-treated-with-contact-immunotherapy-on-the-scalp-a-prospective-split-face-comparative-study
#5
Sung Jay Choe, Won-Soo Lee
BACKGROUND: Few treatment modalities are available for treating alopecia areata (AA) of the eyebrow. Due to the anatomical proximity of the eyebrows to the eyes, safety issues and side effects should always be taken into consideration when choosing the treatment modality. This study was designed to examine the efficacy of superficial cryotherapy on patients with AA of the eyebrow. METHODS: Superficial cryotherapy was performed every other week on the right eyebrow (SC-treated) in a total of 20 patients who had been previously treated with diphenylcyclopropenone (DPCP) immunotherapy on the scalp...
February 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28074226/synergistic-effects-of-host-b7-h4-deficiency-and-gemcitabine-treatment-on-tumor-regression-and-anti-tumor-t-cell-immunity-in-a-mouse-model
#6
Joanne Leung, Philippe St-Onge, John Stagg, Woong-Kyung Suh
B7-H4 (B7x/B7S1), a B7 family inhibitor of T cell activity, is expressed in multiple human cancers and correlates with decreased infiltrating lymphocytes and poor prognosis. In murine models, tumor-expressed B7-H4 enhances tumor growth and reduces T cell immunity, and blockade of tumor-B7-H4 rescues T cell activity and lowers tumor burden. This implicates B7-H4 as a target for cancer immunotherapy, yet limits the efficacy of B7-H4 blockade exclusively to patients with B7-H4+ tumors. Given the expression of B7-H4 on host immune cells, we have previously shown that BALB/c mice lacking host B7-H4 have enhanced anti-tumor profiles, yet similar 4T1 tumor growth relative to control...
January 10, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28074124/involvement-of-blood-mononuclear-cells-in-the-infertility-age-associated-diseases-and-cancer-treatment
#7
REVIEW
Antonin Bukovsky
Blood mononuclear cells consist of T cells and monocyte derived cells. Beside immunity, the blood mononuclear cells belong to the complex tissue control system (TCS), where they exhibit morphostatic function by stimulating proliferation of tissue stem cells followed by cellular differentiation, that is stopped after attaining the proper functional stage, which differs among various tissue types. Therefore, the term immune and morphostatic system (IMS) should be implied. The TCS-mediated morphostasis also consists of vascular pericytes controlled by autonomic innervation, which is regulating the quantity of distinct tissues in vivo...
December 26, 2016: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28074066/preclinical-targeting-of-aggressive-t-cell-malignancies-using-anti-cd5-chimeric-antigen-receptor
#8
K H Chen, M Wada, K G Pinz, H Liu, K-W Lin, A Jares, A E Firor, X Shuai, H Salman, M Golightly, F Lan, L Senzel, L-H Leung, X Jiang, Y Ma
The outlook for T-cell malignancies remain poor due to the lack of effective therapeutic options. Chimeric antigen receptor (CAR) immunotherapy has recently shown promise in clinical trials for B-cell malignancies, however, designing CARs for T-cell based disease remain a challenge due to the shared surface antigen pool between normal and malignant T-cells. Normal T-cells express CD5 but NK (natural killer) cells do not, positioning NK cells as attractive cytotoxicity cells for CD5CAR design. Additionally, CD5 is highly expressed in T cell acute lymphoblastic leukemia (T-ALL) and peripheral T cell lymphomas (PTCLs)...
January 11, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28073701/effect-of-asthma-therapies-on-the-natural-course-of-asthma
#9
REVIEW
Elissa M Abrams, Stanley J Szefler, Allan B Becker
OBJECTIVE: To provide an evidence-based review on the role of pharmacologic (inhaled corticosteroids, leukotriene receptor antagonists, biologic therapies, aeroallergen immunotherapy) and nonpharmacologic therapies (environmental modifications, microbiome) in secondary and tertiary asthma prevention. DATA SOURCES: A PubMed search for English-language publications regarding asthma and secondary or tertiary prevention was performed. Some articles cited in selected studies were also considered for inclusion in this review...
December 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28070553/predicted-neoantigen-load-in-non-hypermutated-endometrial-cancers-correlation-with-outcome-and-tumor-specific-genomic-alterations
#10
Sachet A Shukla, Brooke E Howitt, Catherine J Wu, Panagiotis A Konstantinopoulos
Elevated neoantigen load has been previously correlated with improved outcome and response to immune checkpoint blockade in various tumor types. In endometrial cancer, previous studies of neoantigen load prediction have shown that the hypermutated MSI and POLE-mutated tumors harbor significantly higher predicted neoantigen load compared to the hypomutated CN-low/endometrioid and CN-high/serous-like tumors. Here, we report that predicted neoantigen load may be a prognostic factor in hypomutated endometrial cancers, both in CN-low/endometrioid and CN-high/serous-like tumors...
February 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28069963/pathogen-boosted-adoptive-cell-transfer-immunotherapy-to-treat-solid-tumors
#11
Gang Xin, David M Schauder, Weiqing Jing, Aimin Jiang, Nikhil S Joshi, Bryon Johnson, Weiguo Cui
Because of insufficient migration and antitumor function of transferred T cells, especially inside the immunosuppressive tumor microenvironment (TME), the efficacy of adoptive cell transfer (ACT) is much curtailed in treating solid tumors. To overcome these challenges, we sought to reenergize ACT (ReACT) with a pathogen-based cancer vaccine. To bridge ACT with a pathogen, we genetically engineered tumor-specific CD8 T cells in vitro with a second T-cell receptor (TCR) that recognizes a bacterial antigen. We then transferred these dual-specific T cells in combination with intratumoral bacteria injection to treat solid tumors in mice...
January 9, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28067179/cd20-based-immunotherapy-of-b-cell-derived-hematologic-malignancies
#12
Dariush Shanehbandi, Jafar Majidi, Tohid Kazemi, Behzad Baradaran, Leili Aghebati-Maleki
CD20 is a surface antigen which is expressed at certain stages of B-cell differentiation. Targeting the CD20-positive B-cells with therapeutic monoclonal antibodies (MAbs) has been an effectual strategy in the treatment of hematologic malignancies such as non-Hodgkin's lymphoma (NHL) and chronic lymphocytic leukemia (CLL). Initial success with Rituximab (RTX) has encouraged the creation and development of more effective CD20 based therapeutics. However, treatment with conventional MAbs has not been adequate to overcome the problems such as refractory/relapsed disease...
January 9, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28066895/anti-hmgcr-necrotizing-myopathy-masquerading-as-a-muscular-dystrophy-in-a-child
#13
Payam Mohassel, A Reghan Foley, Sandra Donkervoort, Pierre R Fequiere, Katherine Pak, Carsten G Bönnemann, Andrew L Mammen
INTRODUCTION: Immune-mediated necrotizing myopathies (IMNM) are characterized by progressive weakness, elevated serum creatine kinase levels, and necrotizing myopathic features on muscle biopsy. Presence of highly specific autoantibodies against signal recognition particle (SRP) or 3-hydroxy-3-methylglutaryl- coenzyme A reductase (HMGCR) can aid in recognition and confirmation of IMNMs. METHODS: We describe a boy with HMGCR-positive necrotizing myopathy and highlight the clinical features in this patient...
January 9, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28065449/a-specific-immune-tolerance-toward-offspring-cells-is-to-exist-after-the-mother-lymphocyte-infusion
#14
Haizhou Xing, Shiqin Liu, Xue Chen, Fang Fang, Xueqiang Wu, Ping Zhu
PURPOSE: To examine immune tolerance between maternal lymphocytes and offspring tissue after a donor lymphocyte infusion. METHODS: Mouse models were established by mating female BALB/c mice with male C57BL mice. Splenic lymphocytes from donors of different genetic backgrounds were labeled with carboxyfluorescein succinimidyl ester (CFSE), and 1×10(7) of the labeled cells were intravenously injected into a recipient. At 6h, 24h, 72h and 120h after the infusion, mononuclear cells in recipient spleen, liver, thymus, lymph nodes, and peripheral blood were collected...
December 26, 2016: Immunobiology
https://www.readbyqxmd.com/read/28065340/enhancing-allergen-presentation-platforms-for-sublingual-immunotherapy
#15
REVIEW
P Moingeon, V Lombardi, V Baron-Bodo, L Mascarell
Sublingual immunotherapy (SLIT) relies on high doses of allergens to treat patients with type I allergies. Although SLIT is commonly performed without any adjuvant or delivery system, allergen(s) could be further formulated with allergen-presentation platforms to better target oral dendritic cells eliciting regulatory immune responses. Improving the availability of allergens to the immune system should enhance SLIT efficacy, while allowing to decrease allergen dosing. Herein, we present an overview of adjuvants and vector systems that have been, or could be, considered as candidate allergen-presentation platforms for the sublingual route...
January 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28063980/plant-viral-nanoparticles-based-her2-vaccine-immune-response-influenced-by-differential-transport-localization-and-cellular-interactions-of-particulate-carriers
#16
Sourabh Shukla, Jay T Myers, Sarah E Woods, Xingjian Gong, Anna E Czapar, Ulrich Commandeur, Alex Y Huang, Alan D Levine, Nicole F Steinmetz
Cancer vaccines are designed to elicit an endogenous adaptive immune response that can successfully recognize and eliminate residual or recurring tumors. Such approaches can potentially overcome shortcomings of passive immunotherapies by generating long-lived therapeutic effects and immune memory while limiting systemic toxicities. A critical determinant of vaccine efficacy is efficient transport and delivery of tumor-associated antigens to professional antigen presenting cells (APCs). Plant viral nanoparticles (VNPs) with natural tropism for APCs and a high payload carrying capacity may be particularly effective vaccine carriers...
December 27, 2016: Biomaterials
https://www.readbyqxmd.com/read/28063043/subcutaneous-and-sublingual-immunotherapy-in-a-mouse-model-of-allergic-asthma
#17
Laura Hesse, Martijn C Nawijn
Allergic asthma, caused by inhaled allergens such as house dust mite or grass pollen, is characterized by reversible airway obstruction, associated with an eosinophilic inflammation of the airways, as well as airway hyper responsiveness and remodeling. The inhaled allergens trigger a type-2 inflammatory response with involvement of innate lymphoid cells (ILC2) and Th2 cells, resulting in high production of immunoglobulin E (IgE) antibodies. Consequently, renewed allergen exposure results in a classic allergic response with a distinct early and late phase, both resulting in bronchoconstriction and shortness of breath...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28062719/characteristics-in-limbic-encephalitis-with-anti-adenylate-kinase-5-autoantibodies
#18
Le-Duy Do, Eve Chanson, Virginie Desestret, Bastien Joubert, François Ducray, Sabine Brugière, Yohann Couté, Maité Formaglio, Veronique Rogemond, Catherine Thomas-Antérion, Laura Borrega, Brice Laurens, Francois Tison, Jonathan Curot, Thomas De Brouker, Christine Lebrun-Frenay, Jean-Yves Delattre, Jean-Christophe Antoine, Jerome Honnorat
OBJECTIVE: To report 10 patients with limbic encephalitis (LE) and adenylate kinase 5 autoantibodies (AK5-Abs). METHODS: We conducted a retrospective study in a cohort of 50 patients with LE with uncharacterized autoantibodies and identified a specific target using immunohistochemistry, Western blotting, immunoprecipitation, mass spectrometry, and cell-based assay. RESULTS: AK5 (a known autoantigen of LE) was identified as the target of antibodies in the CSFs and sera of 10 patients with LE (median age 64 years; range 57-80), which was characterized by subacute anterograde amnesia without seizure and sometimes preceded by a prodromal phase of asthenia or mood disturbances...
January 6, 2017: Neurology
https://www.readbyqxmd.com/read/28060744/targeting-macrophage-anti-tumor-activity-to-suppress-melanoma-progression
#19
REVIEW
Huafeng Wang, Lijuan Zhang, Luhong Yang, Chengfang Liu, Qi Zhang, Linjing Zhang
By phagocytosing cancer cells and their cellular debris, macrophages play a critical role in nonspecific defense (innate immunity) and, as antigen presenters, they help initiate specific defense mechanisms (adaptive immunity). Malignant melanoma is a lethal disease due to its aggressive capacity for metastasis and resistance to therapy. For decades, considerable effort has gone into development of an effective immunotherapy for treatment of metastatic melanoma. In this review, we focus on the anti-tumor activities of macrophages in melanoma and their potential as therapeutic targets in melanoma...
January 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28060721/dppiv-promotes-endometrial-carcinoma-cell-proliferation-invasion-and-tumorigenesis
#20
Xiaoqing Yang, Xinhua Zhang, Rongrong Wu, Qicheng Huang, Yao Jiang, Jianbing Qin, Feng Yao, Guohua Jin, Yuquan Zhang
Dipeptidyl peptidase IV (DPPIV), also known as CD26, is a 110-kDa cell surface glycoprotein expressed in various tissues. DPPIV reportedly plays a direct role in the progression of several human malignancies. DPPIV specific inhibitors are employed as antidiabetics and could potentially be repurposed to enhance anti-tumor immunotherapies. In the present study, we investigated the correlation between DPPIV expression and tumor progression in endometrial carcinoma (EC). DPPIV overexpression altered cell morphology and stimulated cell proliferation, invasion and tumorigenesis in vitro and in vivo...
January 2, 2017: Oncotarget
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