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https://www.readbyqxmd.com/read/28534310/combination-immunotherapy-for-type-1-diabetes
#1
REVIEW
Robert N Bone, Carmella Evans-Molina
PURPOSE OF REVIEW: Type 1 diabetes (T1D) is an autoimmune disease marked by β-cell destruction. Immunotherapies for T1D have been investigated since the 1980s and have focused on restoration of tolerance, T cell or B cell inhibition, regulatory T cell (Treg) induction, suppression of innate immunity and inflammation, immune system reset, and islet transplantation. The purpose of this review is to provide an overview and lessons learned from single immunotherapy trials, describe recent and ongoing combination immunotherapy trials, and provide perspectives on strategies for future combination clinical interventions aimed at preserving insulin secretion in T1D...
July 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28534250/advancing-immunotherapy-in-metastatic-breast-cancer
#2
REVIEW
Mariam Mansour, Zhi Ling Teo, Stephen J Luen, Sherene Loi
Despite many advances in the treatment of breast cancer, the development of metastatic disease remains an incurable and frequent cause of cancer death for women worldwide. An improved understanding of the role of host immunosurveillance in modulating breast cancer disease biology, as well as impressive survival benefits seen to checkpoint blockade in other malignancies have provided great hope for an expanding role of immunotherapies in breast cancer management. While these novel therapies are currently being investigated in clinical trials, signals of efficacy, and tolerability in early phase studies suggest these will eventually make their way into standard practice algorithms...
June 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28533774/the-role-of-ifn-%C3%AE-during-the-course-of-sepsis-progression-and-its-therapeutic-potential
#3
REVIEW
Gorjana Rackov, Rahman Shokri, Melchor Álvarez De Mon, Carlos Martínez-A, Dimitrios Balomenos
Sepsis is a complex biphasic syndrome characterized by both pro- and anti-inflammatory immune states. Whereas early sepsis mortality is caused by an acute, deleterious pro-inflammatory response, the second sepsis phase is governed by acute immunosuppression, which predisposes patients to long-term risk for life-threatening secondary infections. Despite extensive basic research and clinical trials, there is to date no specific therapy for sepsis, and mortality rates are on the rise. Although IFN-β is one of the most-studied cytokines, its diverse effects are not fully understood...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28533093/safety-and-immunogenicity-of-a-live-attenuated-influenza-h5-candidate-vaccine-strain-a-17-turkey-turkey-05-133-h5n2-and-its-priming-effects-for-potential-pre-pandemic-use-a-randomised-double-blind-placebo-controlled-trial
#4
Punnee Pitisuttithum, Kobporn Boonnak, Supat Chamnanchanunt, Pilaipan Puthavathana, Viravarn Luvira, Hatairat Lerdsamran, Jaranit Kaewkungwal, Saranath Lawpoolsri, Vipa Thanachartwet, Udomsak Silachamroon, Wanibtisam Masamae, Alexandra Schuetz, Ponthip Wirachwong, Sit Thirapakpoomanunt, Larisa Rudenko, Erin Sparrow, Martin Friede, Marie-Paule Kieny
BACKGROUND: The emergence of highly pathogenic avian influenza H5N1 viruses has raised concerns about their pandemic potential. Vaccination is the most effective way of preventing influenza. In this study, we investigated the safety and immunogenicity of an avian H5N2 live attenuated influenza vaccine (LAIV H5N2) in healthy Thai adults and its priming immune responses with an H5N1 inactivated vaccine boost. METHODS: This study was done at the Vaccine Trial Centre at Mahidol University, Bangkok, Thailand and was divided into two parts...
May 19, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28532268/allergen-immunotherapy-in-allergic-rhinitis-current-use-and-future-trends
#5
Ludger Klimek, Oliver Pfaar, Jean Bousquet, Gabriela Senti, Thomas Kündig
Type-1 allergies are among the most chronic common diseases of humans. Allergen immunotherapy (AIT) is the only causative and disease-modifying treatment option besides allergen avoidance. Severe systemic adverse allergic reactions may be induced by every AIT treatment. Different approaches have been used to provide safer AIT preparations to lower or even totally overcome this risk. Areas covered: A structured literature recherche in Medline and Pubmed under inclusion of national and international guidelines and Cochrane meta-analyses has been performed aiming at reviewing clinical use of such approaches in AIT...
May 23, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28531305/impact-of-age-and-antibody-type-on-progression-from-single-to-multiple-autoantibodies-in-type-1-diabetes-relatives
#6
Emanuele Bosi, David C Boulware, Dorothy J Becker, Jane H Buckner, Susan Geyer, Peter A Gottlieb, Courtney Henderson, Amanda Kinderman, Jay M Sosenko, Andrea K Steck, Polly J Bingley
Context: Islet autoantibodies are markers of type 1 diabetes and an increase in number of autoantibodies detected during the preclinical phase is predictive of progression to overt disease. Objective: To refine the impact of age in relation to islet antibody type on the progression from single to multiple autoantibodies in relatives of people with type 1 diabetes. Research design and methods: We examined 994 relatives with normal glucose tolerance and positive for a single autoantibody, followed prospectively in the TrialNet Pathway to Prevention...
May 22, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28529646/peptide-vaccination-in-the-presence-of-adjuvants-in-patients-after-hematopoietic-stem-cell-transplantation-with-cd4-t-cell-reconstitution-elicits-consistent-cd8-t-cell-responses
#7
Michael Schmitt, Anita Schmitt, Markus Wiesneth, Angela Hückelhoven, Zeguang Wu, Jürgen Kuball, Lei Wang, Peter Schauwecker, Susanne Hofmann, Marlies Götz, Birgit Michels, Birgit Maccari, Patrick Wuchter, Volker Eckstein, Thomas Mertens, Paul Schnitzler, Hartmut Döhner, Anthony D Ho, Donald W Bunjes, Peter Dreger, Hubert Schrezenmeier, Jochen Greiner
Rationale: Patients receiving an allogeneic stem cell graft from cytomegalovirus (CMV) seronegative donors are particularly prone to CMV reactivation with a high risk of disease and mortality. Therefore we developed and manufactured a novel vaccine and initiated a clinical phase I trial with a CMV phosphoprotein 65 (CMVpp65)-derived peptide. Methods: Ten patients after allogeneic stem cell transplantation received four vaccinations at a biweekly interval. All patients were monitored for CMVpp65 antigenemia...
2017: Theranostics
https://www.readbyqxmd.com/read/28529560/ruanjian-sanjie-decoction-exhibits-antitumor-activity-by-inducing-cell-apoptosis-in-breast-cancer
#8
Xiumei Zhao, Jing Zhao, Renjie Hu, Qiang Yao, Guixian Zhang, Hongsheng Shen, Ernesto Yagüe, Yunhui Hu
Traditional Chinese medicine, based on theories developed and practiced for >2,000 years, is one of the most common complementary and alternative types of medicine currently used in the treatment of patients with breast cancer. Ruanjian Sanjie (RJSJ) decoction, is composed of four herbs, including Ban xia (Pinellia ternata), Xia ku cao (Prunella vulgaris), Shan ci gu (Cremastra appendiculata) and Hai zao (Sargassum pallidum), and has traditionally been used for softening hard lumps and resolving hard tissue masses...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28529551/history-and-current-state-of-immunotherapy-in-glioma-and-brain-metastasis
#9
REVIEW
Tresa McGranahan, Gordon Li, Seema Nagpal
Malignant brain tumors such as glioblastoma (GBM) and brain metastasis have poor prognosis despite conventional therapies. Successful use of vaccines and checkpoint inhibitors in systemic malignancy has increased the hope that immune therapies could improve survival in patients with brain tumors. Manipulating the immune system to fight malignancy has a long history of both modest breakthroughs and pitfalls that should be considered when applying the current immunotherapy approaches to patients with brain tumors...
May 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/28529326/persistent-bacterial-infections-and-persister-cells
#10
REVIEW
Robert A Fisher, Bridget Gollan, Sophie Helaine
Many bacteria can infect and persist inside their hosts for long periods of time. This can be due to immunosuppression of the host, immune evasion by the pathogen and/or ineffective killing by antibiotics. Bacteria can survive antibiotic treatment if they are resistant or tolerant to a drug. Persisters are a subpopulation of transiently antibiotic-tolerant bacterial cells that are often slow-growing or growth-arrested, and are able to resume growth after a lethal stress. The formation of persister cells establishes phenotypic heterogeneity within a bacterial population and has been hypothesized to be important for increasing the chances of successfully adapting to environmental change...
May 22, 2017: Nature Reviews. Microbiology
https://www.readbyqxmd.com/read/28528762/safety-and-immunogenicity-of-a-prototype-anti-chlamydia-pecorum-recombinant-protein-vaccine-in-lambs-and-pregnant-ewes
#11
Marion Desclozeaux, Martina Jelocnik, Katrina Whitting, Siamak Saifzadeh, Sankhya Bommana, Andrew Potter, Volker Gerdts, Peter Timms, Adam Polkinghorne
Arthritis and kerato-conjunctivitis caused by Chlamydia pecorum in lambs are difficult to diagnose and treat. We tested the ability of a prototype C. pecorum vaccine (SC-vaccine), comprised of C. pecorum major outer membrane protein (MOMP-G) and polymorphic membrane protein G (PmpG), to trigger a Chlamydia-specific humoral and cell-mediated immune response in lambs and pregnant ewes. Vaccinations with the SC-vaccine (one and two injections) were very well tolerated by all ewes and lambs. Although the overall immune responses of ewes to SC-vaccination was poor, their lambs showed stronger antigen-specific immune response than lambs from control vaccine ewes...
May 18, 2017: Vaccine
https://www.readbyqxmd.com/read/28528521/myeloid-populations-in-systemic-autoimmune-diseases
#12
REVIEW
María Morell, Nieves Varela, Concepción Marañón
Systemic autoimmune diseases (SADs) encompass a wide spectrum of clinical signs as a reflection of their complex physiopathology. A variety of mechanisms related with the innate immune system are in the origin of the loss of self-tolerance in these diseases, and for most of them, the myeloid leukocytes are key actors. Monocytes, macrophages, dendritic cells, and neutrophils are first-line immune effectors located in the interface between innate and adaptive immunity. They are crucial in the organization of the local and systemic responses to damage-associated molecular patterns (DAMPs) and determine the intensity, orientation, and duration of the local immune response through the expression of chemokines, costimulatory or protolerogenic factors...
May 20, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28527887/mst1-deficiency-promotes-b-cell-responses-by-cd4-t-cell-derived-il-4-resulting-in-hypergammaglobulinemia
#13
Eunchong Park, Myun Soo Kim, Ju Han Song, Kyung Min Cho, Kyung-Hye Roh, Rana Lee, Tae Sung Kim
MST1 deficiency causes T and B cell lymphopenia, resulting in combined immunodeficiency. However, MST1-deficient patients also exhibit autoimmune-like symptoms such as hypergammaglobulinemia and autoantibody production. Recent studies have shown that the autoimmune responses observed in MST1-deficient patients were most likely attributable to defective regulatory T (Treg) cells instead of intrinsic signals in MST1-lacking B cells. Nevertheless, it is not determined how MST1 deficiency in T cells breaks B cell tolerance and causes systemic autoimmune-like phenotypes...
May 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28526855/gut-homeostasis-and-regulatory-t-cell-induction-depend-on-molecular-chaperone-gp96-in-cd11c-cells
#14
Yunpeng Hua, Yi Yang, Shaoli Sun, Stephen Iwanowycz, Caroline Westwater, Boris Reizis, Zihai Li, Bei Liu
The intestinal immunity and tolerance are orchestrated by both the innate and the adaptive immune system. Intestinal professional antigen presenting cells (pAPCs) recognize and respond to the gut microbiota through multiple pattern-recognition receptors, including TLRs and NLRs. How gut pAPCs maintain mucosal homeostasis remains incompletely understood. Heat shock protein gp96, also known as grp94, is an essential immune chaperone for TLRs. However, the role of gp96 in regulating CD11c(+) APCs in the gut immunity and tolerance is unknown...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526137/cellular-and-molecular-mechanisms-of-autoimmunity-and-lupus-nephritis
#15
S K Devarapu, G Lorenz, O P Kulkarni, H-J Anders, S R Mulay
Autoimmunity involves immune responses directed against self, which are a result of defective self/foreign distinction of the immune system, leading to proliferation of self-reactive lymphocytes, and is characterized by systemic, as well as tissue-specific, inflammation. Numerous mechanisms operate to ensure the immune tolerance to self-antigens. However, monogenetic defects or genetic variants that weaken immune tolerance render susceptibility to the loss of immune tolerance, which is further triggered by environmental factors...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28523588/advances-in-the-development-of-janus-kinase-inhibitors-in-inflammatory-bowel-disease-future-prospects
#16
Mathurin Flamant, Josselin Rigaill, Stephane Paul, Xavier Roblin
Inflammatory bowel disease (IBD) is caused by a dysregulation of the immune system, inducing the production of proinflammatory cytokines and adhesion molecules. A better understanding of the mucosal immune response in IBD has led to the development of new drugs directed at inflammatory cytokines and leukocyte-trafficking molecules. Beyond tumor necrosis factor antagonists and anti-integrin molecules, which act by blocking the interaction between gut-specific lymphocytes and their receptor on vascular endothelium, the Janus kinase/signal transducer and activator of transcription (JAK/STAT) signaling pathway represents a new target in IBD...
May 18, 2017: Drugs
https://www.readbyqxmd.com/read/28522352/immune-plasma-for-the-treatment-of-severe-influenza-an-open-label-multicentre-phase-2-randomised-study
#17
John H Beigel, Pablo Tebas, Marie-Carmelle Elie-Turenne, Ednan Bajwa, Todd E Bell, Charles B Cairns, Shmuel Shoham, Jaime G Deville, Eric Feucht, Judith Feinberg, Thomas Luke, Kanakatte Raviprakash, Janine Danko, Dorothy O'Neil, Julia A Metcalf, Karen King, Timothy H Burgess, Evgenia Aga, H Clifford Lane, Michael D Hughes, Richard T Davey
BACKGROUND: Influenza causes substantial morbidity and mortality despite available treatments. Anecdotal reports suggest that plasma with high antibody titres to influenza might be of benefit in the treatment of severe influenza. METHODS: In this randomised, open-label, multicentre, phase 2 trial, 29 academic medical centres in the USA assessed the safety and efficacy of anti-influenza plasma with haemagglutination inhibition antibody titres of 1:80 or more to the infecting strain...
May 15, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28521905/harnessing-the-properties-of-dendritic-cells-in-the-pursuit-of-immunological-tolerance
#18
REVIEW
Christopher Horton, Kumaran Shanmugarajah, Paul J Fairchild
The acquisition of self-perpetuating, immunological tolerance specific for graft alloantigens has long been described as the "holy grail" of clinical transplantation. By removing the need for life-long immunosuppression following engraftment, the adverse consequences of immunosuppressive regimens, including chronic infections and malignancy, may be avoided. Furthermore, autoimmune diseases and allergy are, by definition, driven by aberrant immunological responses to ordinarily innocuous antigens. The re-establishment of permanent tolerance towards instigating antigens may, therefore, provide a cure to these common diseases...
April 2017: Biomedical Journal
https://www.readbyqxmd.com/read/28521429/b-cells-inhibit-the-antitumor-immunity-against-an-established-murine-fibrosarcoma
#19
Andrea Maglioco, Damián G Machuca, María Noel Badano, Paula Nannini, Gabriela V Camerano, Héctor Costa, Roberto Meiss, Raúl A Ruggiero, Mirta Giordano, Graciela I Dran
Despite the classic role of B cells in favoring the immune response, an inhibitory action of B lymphocytes in tumor immunity has emerged in certain studies. In methylcolanthrene-induced murine fibrosarcoma (MCC), the loss of immunogenicity and the establishment of tolerance are paralleled by systemic immune suppression and the appearance of B(+)IL-10(+) cells in tumor-draining lymph nodes. The present study aimed to assess the role of the B(+)IL-10(+) cell population in the immune evasion and tolerance induced by MCC through the depletion of B cells in mice at various times of tumor progression: Prior to or subsequent to tumor implantation...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521318/breastfeeding-childhood-asthma-and-allergic-disease
#20
Wendy H Oddy
The worldwide prevalence of childhood asthma has been increasing considerably, and the protection afforded by breastfeeding in its development has been the subject of controversy for more than 80 years. Previous systematic reviews have generally found a protective effect of breastfeeding on allergic outcomes, although many studies have methodological limitations. Although breastfeeding is protective against lower respiratory tract infection during infancy, such protection has not been demonstrated for asthma in all studies...
2017: Annals of Nutrition & Metabolism
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