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https://www.readbyqxmd.com/read/28434169/inflammation-immune-activation-and-antiretroviral-therapy-in-hiv
#1
REVIEW
Corrilynn O Hileman, Nicholas T Funderburg
PURPOSE OF REVIEW: This review focuses on the differential effects of contemporary antiretrovirals on systemic inflammation as heightened immune activation is linked to important co-morbidities and mortality with HIV infection. RECENT FINDINGS: Antiretroviral therapy (ART) reduces dramatically systemic inflammation and immune activation, but not to levels synchronous with HIV-uninfected populations. In one ART initiation trial, integrase inhibitors appear to reduce inflammation to a greater degree than non-nucleoside reverse transcriptase inhibitors (NNRTIs); however, it is not clear that there are beneficial effects on inflammation resulting from treatment with integrase inhibitors compared to PIs, between PIs and NNRTIs, between specific nucleoside reverse transcriptase inhibitors, or with maraviroc in ART-naïve patients...
April 22, 2017: Current HIV/AIDS Reports
https://www.readbyqxmd.com/read/28434147/increasing-the-safety-and-efficacy-of-chimeric-antigen-receptor-t-cell-therapy
#2
REVIEW
Hua Li, Yangbing Zhao
Chimeric antigen receptor (CAR) T cell therapy is a promising cancer treatment that has recently been undergoing rapid development. However, there are still some major challenges, including precise tumor targeting to avoid off-target or "on-target/off-tumor" toxicity, adequate T cell infiltration and migration to solid tumors and T cell proliferation and persistence across the physical and biochemical barriers of solid tumors. In this review, we focus on the primary challenges and strategies to design safe and effective CAR T cells, including using novel cutting-edge technologies for CAR and vector designs to increase both the safety and efficacy, further T cell modification to overcome the tumor-associated immune suppression, and using gene editing technologies to generate universal CAR T cells...
April 22, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28434112/dendritic-cell-based-vaccination-strategy-an-evolving-paradigm
#3
REVIEW
Anna C Filley, Mahua Dey
Malignant gliomas (MG), tumors of glial origin, are the most commonly diagnosed primary intracranial malignancies in adults. Currently available treatments have provided only modest improvements in overall survival and remain limited by inevitable local recurrence, necessitating exploration of novel therapies. Among approaches being investigated, one of the leading contenders is immunotherapy, which aims to modulate immune pathways to stimulate the selective destruction of malignant cells. Dendritic cells (DCs) are potent initiators of adaptive immune responses and therefore crucial players in the development and success of immunotherapy...
April 22, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28434105/far-infrared-ray-for-treating-chronic-lower-extremity-lymphedema-with-dermatolymphangioadenitis-a-postoperative-complication-of-gynecological-tumor-resection
#4
Ke Li, Heng Xu, Ning Fei Liu, Parviz Sadigh, Verity Evans, Yi Xin Zhang
PURPOSE: Lower extremity lymphedema is regarded as a relatively common postoperative complication and is often accompanied with dermatolymphangioadenitis (DLA). This study combines clinical assessment and laboratory investigation to explore therapeutic effects of far-infrared radiation (FIR) therapy for chronic lower extremity lymphedema accompanied with DLA, occurring after gynecological tumor resection. METHODS: Patients who met inclusion and exclusion criteria would be enrolled...
April 22, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28433998/interferon-%C3%AE-1a-modulates-expression-of-rage-but-not-s100a12-and-nuclear-factor-%C3%AE%C2%BAb-in-multiple-sclerosis-patients
#5
Gholamreza Asadikaram, Saam Noroozi, Hossein Ali Ebrahimi Meimand, Mojgan Sanjari, Nahid Zainodini, Hossein Khoramdelazad, Nader Shahrokhi, Mohammad Kazemi Arababadi
OBJECTIVES: Interferon-β 1a (IFN-β 1a) is a common strategy therapy for multiple sclerosis (MS) with unknown mechanisms. S100A12 (S100 calcium-binding protein A12) is a damage-associated molecular pattern molecule which binds to its receptor, RAGE (receptor for advanced glycation end products), and activates nuclear factor-κB (NF-κB). NF-κB is transcribed from proinflammatory molecules, which may participate in the pathogenesis of MS. Therefore, the aims of this study were to compare mRNA levels of S100A12, RAGE, and NF-κB in newly diagnosed MS patients with healthy controls and determine whether IFN-β 1a therapy affects the expression of the molecules...
April 22, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/28433688/vitamin-d-downregulates-the-il-23-receptor-pathway-in-human-mucosal-ilc3
#6
Viktoria Konya, Paulo Czarnewski, Marianne Forkel, Anna Rao, Efthymia Kokkinou, Eduardo J Villablanca, Sven Almer, Ulrik Lindforss, Danielle Friberg, Charlotte Höög, Peter Bergman, Jenny Mjösberg
BACKGROUND: Vitamin D deficiency is a risk factor for inflammatory bowel disease (IBD). The IL-23-driven tissue-resident ILC3 play essential roles in intestinal immunity, and targeting IL-23/12 is a promising approach in IBD therapy. OBJECTIVE: We set out to define the role of 1α,25-dihydroxy vitamin D3 (1,25D) in regulating functional responses of human mucosal ILC3 to IL-23 plus IL-1β stimulation. METHODS: Transcriptomes of sorted tonsil ILC3 were assessed by microarray analysis...
April 19, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28433543/phenformin-inhibits-myeloid-derived-suppressor-cells-and-enhances-the-anti-tumor-activity-of-pd-1-blockade-in-melanoma
#7
Sun Hye Kim, Man Li, Sebastian Trousil, Yaqing Zhang, Marina Pasca di Magliano, Kenneth D Swanson, Bin Zheng
Biguanides, such as the diabetes therapeutics metformin and phenformin, have demonstrated antitumor activity both in vitro and in vivo. However, their potential effects on the tumor microenvironment are largely unknown. Here we report that phenformin selectively inhibits granulocytic myeloid-derived suppressor cells (G-MDSCs) in spleens of tumor bearing mice and ex vivo. Phenformin induces production of reactive oxygen species in G-MDSC, whereas the antioxidant N-acetylcysteine attenuates the inhibitory effects of phenformin...
April 19, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28433198/tumor-promoting-role-of-anti-tumor-macrophages-in-tumor-microenvironment
#8
REVIEW
Kuntal Kanti Goswami, Tithi Ghosh, Sarbari Ghosh, Madhurima Sarkar, Anamika Bose, Rathindranath Baral
Recent advances in tumor biology demand detailed analysis of the complex interaction of tumor cells with their adjacent microenvironment (tumor stroma) to understand the various mechanisms involved in tumor growth and metastasis. Mononuclear phagocytes or macrophages, a type of innate immune cells, defend the organism against infection and injury. On the otherhand, tumor associated macrophages (TAMs) constitute a significant part of the tumor-infiltrating immune cells, have been linked to the growth, angiogenesis, and metastasis of a variety of cancers, most likely through polarization of TAMs to the M2 (alternative) phenotype...
April 13, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28432858/regulatory-function-of-parasites-in-autoimmune-disease-%C3%A2-outcome-from-experimental-model-infection
#9
Katarzyna Krawczak, Katarzyna Donskow-Łysoniewska, Maria Doligalska
It is estimated that more than half of the nowadays known species are pathogenic parasites. Among macroparasites gastrointestinal nematodes are one of most common and having significant impact on life and health. Those organisms reveal strong, specific immune response in host, involving primary mechanisms associated with regulatory and Th2 cells. Referring to immunomodulatory abilities of helminths, parasite infections started to be considered as a possible therapy for many autoimmune diseases. Clinical trials on 2nd and 3rd stage are conducted in spite that treatment has not been recognized as safe for common use...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28432836/autoimmune-hepatitis-from-current-knowledge-and-clinical-practice-to-future-research-agenda
#10
REVIEW
Marcial Sebode, Johannes Hartl, Diego Vergani, Ansgar W Lohse
Autoimmune hepatitis (AIH) is a chronic inflammatory liver disease. Unknown triggers lead to a mainly T cell-mediated immune response targeting the liver, the main auto-antigen of which has not been identified yet. The diagnosis of AIH is based on the elevation of immunoglobulin G / hypergammaglobulinemia, detection of characteristic autoantibodies as well as a typical pattern on liver histology. Exclusion of other causes of hepatitis and response to immunosuppressive treatment support the diagnosis of AIH...
April 22, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28432648/rationale-for-new-checkpoint-inhibitor-combinations-in-melanoma-therapy
#11
Mario Mandalà, Carlo Tondini, Barbara Merelli, Daniela Massi
The use of monoclonal antibodies that block immunologic checkpoints, which mediate adaptive immune resistance, has revolutionized the treatment of metastatic melanoma patients. Specifically, targeting single immune suppressive molecules such as cytotoxic T lymphocyte-associated protein 4 (CTLA-4), or programmed cell death protein 1 (PD-1) expressed on T cells or its primary ligand, programmed cell death ligand 1 (PD-L1), resulted in pronounced clinical benefit for a subset of melanoma patients. Although single-agent immune checkpoint inhibitor therapy has demonstrated promising clinical activity in metastatic melanoma patients, there is still a significant proportion of patients who show primary resistance to these therapies...
April 21, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28432571/cell-therapy-for-type-1-diabetes-current-and-future-strategies
#12
REVIEW
Yasaman Aghazadeh, Maria Cristina Nostro
PURPOSE OF THE REVIEW: Type 1 diabetes (T1D) is defined by an autoimmune destruction of insulin producing β-cells located in the endocrine part of the pancreas, the islets of Langerhans. As exogenous insulin administration fails at preventing severe complications associated with this disease, cell replacement therapies are being considered as a means to treat T1D. The purpose of this manuscript is to review the challenges associated with current strategies and discuss the potential of stem cell therapy for the treatment of T1D...
June 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28432476/immunological-mechanisms-of-adsorptive-cytapheresis-in-inflammatory-bowel-disease
#13
REVIEW
Esteban Sáez-González, Inés Moret, Diego Alvarez-Sotomayor, Francia Carolina Díaz-Jaime, Elena Cerrillo, Marisa Iborra, Pilar Nos, Belén Beltrán
Ulcerative colitis and Crohn's disease are the two main forms of inflammatory bowel disease (IBD). The study of immunological pathways involved in the onset of IBD is of fundamental importance to identify potential biological markers of disease activity and specific targets for therapy. Removing excess and activated circulating leukocytes with adsorptive cytapheresis has been shown to be a potentially effective treatment for patients with an inflamed bowel. Adsorptive cytapheresis is a non-pharmacological approach for active IBD, in which known sources of inflammatory cytokines such as activated myeloid lineage leucocytes are selectively depleted from the circulatory system...
April 21, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28432378/advances-in-anti-viral-immune-defence-revealing-the-importance-of-the-ifn-jak-stat-pathway
#14
REVIEW
Nicola Raftery, Nigel J Stevenson
Interferon-alpha (IFN-α) is a potent anti-viral cytokine, critical to the host immune response against viruses. IFN-α is first produced upon viral detection by pathogen recognition receptors. Following its expression, IFN-α embarks upon a complex downstream signalling cascade called the JAK/STAT pathway. This signalling pathway results in the expression of hundreds of effector genes known as interferon stimulated genes (ISGs). These genes are the basis for an elaborate effector mechanism and ultimately, the clearance of viral infection...
April 21, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28432279/il-35-induces-n2-phenotype-of-neutrophils-to-promote-tumor-growth
#15
Jiu-Ming Zou, Jian Qin, Yong-Chao Li, Yu Wang, Dong Li, Yu Shu, Chao Luo, Shan-Shan Wang, Gang Chi, Fang Guo, Gui-Mei Zhang, Zuo-Hua Feng
IL-35 is an immunosuppressive cytokine and exerts regulatory effects on T cells, B cells, macrophages and dendritic cells. Neutrophils are important innate immune cells that play key roles in tumor development. The effect of IL-35 on neutrophils remains unknown. Here, we report that IL-35 can induce N2 neutrophil polarization (protumor phenotype) by increasing G-CSF and IL-6 production, and promote neutrophil infiltration into tumor microenvironment. The sustained expression of IL-35 could promote chronic inflammation to augment the proangiogenic and immunosuppressive function of neutrophils...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28432221/biological-considerations-of-plasma-derived-and-recombinant-factor-viii-immunogenicity
#16
Jesse Lai, Christine Hough, Julie Tarrant, David Lillicrap
In hemophilia A, the most severe complication of factor VIII (FVIII) replacement therapy involves the formation of FVIII neutralizing antibodies, also known as inhibitors, in 25-30% of patients. This adverse event is associated with a significant increase in morbidity and economic burden, thus highlighting the need to identify methods to limit FVIII immunogenicity. Inhibitor development is regulated by a complex balance of genetic factors, such as FVIII genotype, and environmental variables, such as coexistent inflammation...
April 21, 2017: Blood
https://www.readbyqxmd.com/read/28432125/sequential-adaptive-changes-in-a-c-myc-driven-model-of-hepatocellular-carcinoma
#17
James M Dolezal, Huabo Wang, Sucheta Kulkarni, Laura Jackson, Jie Lu, Sarangarajan Ranganathan, Eric S Goetzman, Sivakama Bharathi, Kevin Beezhold, Craig A Byersdorfer, Edward V Prochownik
Hepatocellular carcinoma (HCC) is a common cancer that frequently over-expresses the c-Myc (Myc) oncoprotein. Using a mouse model of Myc-induced HCC, we studied the metabolic, biochemical and molecular changes accompanying HCC progression, regression and recurrence. These involved altered rates of pyruvate and fatty acid β-oxidation and the likely re-directing of glutamine into biosynthetic rather than energy-generating pathways. Initial tumors also showed reduced mitochondrial mass and differential contributions of electron transport chain Complexes I and II to respiration...
April 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28431920/the-microbiome-in-anti-cancer-therapy
#18
REVIEW
Stavros Bashiardes, Timur Tuganbaev, Sara Federici, Eran Elinav
The commensal microbiome constitutes an important modulator of host physiology and risk of disease, including cancer development and progression. Lately, the microbiome has been suggested to modulate the efficacy of anti-cancer treatment. Examples include chemotherapy and total body irradiation-induced barrier function disruption, leading to microbial efflux that drives activation of anti-tumorigenic T cells; Microbiome-driven release of reactive oxygen species contributing to the efficacy of platinum salts; and microbiome-induced immune priming promoting the anti-tumor effects of alkylating chemotherapy and immune checkpoint inhibitors...
April 18, 2017: Seminars in Immunology
https://www.readbyqxmd.com/read/28431620/role-of-inflammatory-molecules-in-the-alzheimer-s-disease-progression-and-diagnosis
#19
REVIEW
Eva Bagyinszky, Vo Van Giau, Kyuhwan Shim, Kyoungho Suk, Seong Soo A An, SangYun Kim
Alzheimer's disease (AD) is a complex disorder and the most common form of neurodegenerative dementia. Several genetic, environmental, and physiological factors, including inflammations and metabolic influences, are involved in the progression of AD. Inflammations are composed of complicated networks of many chemokines and cytokines with diverse cells. Inflammatory molecules are needed for the protection against pathogens, and maintaining their balances is important for normal physiological function. Recent studies demonstrated that inflammation may be involved in neurodegenerative dementia...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28431482/nanozyme-applications-in-biology-and-medicine-an-overview
#20
Jafar Golchin, Kazem Golchin, Neda Alidadian, Shahrooz Ghaderi, Sajjad Eslamkhah, Masoud Eslamkhah, Abolfazl Akbarzadeh
Nanozymes, in nature, are artificial enzymes. Innovated by Ronald Breslow to mimic enzymes. Nanozymes have widespread applications including targeted cancer therapy, diagnostic medicine and bio-sensing even environmental toxicology. However, these applications are a novel research field in biomedicine, but are growing fast. Enzyme-based applications such as immune-absorbent assay (ELIZA) are expensive because of the complexity of producing enzymes and antibodies. Not only, some nanoparticles can mimic these enzymes such as superoxides, but also they can manipulate biological pathways directly like autophagy...
April 21, 2017: Artificial Cells, Nanomedicine, and Biotechnology
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