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https://www.readbyqxmd.com/read/29245066/immuno-biological-comparison-of-hepatic-stellate-cells-in-a-reverted-and-activated-state
#1
Mehdi Najar, Hussein Fayyad-Kazan, Wissam H Faour, Adil El Taghdouini, Gordana Raicevic, Leo A van Grunsven, Mustapha Najimi, Etienne Sokal, Laurence Lagneaux
Human hepatic stellate cells (HSCs) demonstrated great immunological plasticity with important consequences for liver cell therapy. Activated HSCs (aHSCs) are in vitro reverted (rHSCs) to a quiescent-like phenotype with potential benefit to reduce liver fibrosis. The goal of this study is to establish and compare the immunological profile of activated and in vitro reverted HSCs and to investigate the impact of inflammatory priming on the immunobiology of both HSCs populations. The distribution of inflammatory primed activated and reverted HSCs across the different phases of the cell cycle is assessed by flow cytometry...
December 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29244747/ophthalmic-formulation-containing-nilvadipine-nanoparticles-prevents-retinal-dysfunction-in-rats-injected-with-streptozotocin
#2
Saori Deguchi, Hiroko Otake, Yosuke Nakazawa, Noriko Hiramatsu, Naoki Yamamoto, Noriaki Nagai
Retinopathy leads to irreparable vision loss via capillary closure and areas of nonperfusion. However, the current instillation systems do not allow a sufficient amount of drug required to treat retinopathy to reach the posterior segment (retina); therefore, a new formulation targeting the posterior segment is expected as therapy for retinopathy. We prepared ophthalmic formulations containing nilvadipine nanoparticles (NILnano), and demonstrated whether the instillation of NILnano can prevent retinal dysfunction in rats injected with excessive streptozotocin (STZ rats) in this study...
December 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29243498/-cart-intensification-by-the-hiv-1-tat-b-clade-vaccine-progress-to-phase-iii-efficacy-studies
#3
Aurelio Cafaro, Cecilia Sgadari, Orietta Picconi, Antonella Tripiciano, Sonia Moretti, Vittorio Francavilla, Maria Rosaria Pavone Cossut, Stefano Buttò, Giovanni Cozzone, Fabrizio Ensoli, Paolo Monini, Barbara Ensoli
In spite of its success at suppressing HIV replication, combination antiretroviral therapy (cART) only partially reduces immune dysregulation and loss of immune functions. These cART-unmet needs appear to be due to persistent virus replication and cell-to-cell transmission in reservoirs, and are causes of increased patients' morbidity and mortality. Up to now, therapeutic interventions aimed at cART-intensification by attacking the virus reservoir have failed. Areas covered: We briefly review the rationale and clinical development of Tat therapeutic vaccine in cART-treated subjects in Italy and South Africa (SA)...
December 15, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/29241731/efficacy-of-lentiviral-mediated-gene-therapy-in-an-omenn-syndrome-rag2-mouse-model-is-not-hindered-by-inflammation-and-immune-dysregulation
#4
Valentina Capo, Maria Carmina Castiello, Elena Fontana, Sara Penna, Marita Bosticardo, Elena Draghici, Luigi P Poliani, Lucia Sergi Sergi, Rosita Rigoni, Barbara Cassani, Monica Zanussi, Paola Carrera, Paolo Uva, Kerry Dobbs, Nicolò Sacchetti, Luigi D Notarangelo, Niek P van Til, Gerard Wagemaker, Anna Villa
BACKGROUND: Omenn syndrome (OS) is a rare severe combined immunodeficiency associated with autoimmunity, caused by defects of the lymphoid-specific V(D)J recombination. Most patients carry hypomorphic mutations in recombination activating genes (RAG) 1 or 2. Hematopoietic stem cell (HSC) transplantation is the standard treatment, however gene therapy (GT) may represent a valid alternative, especially for patients lacking a matched donor. OBJECTIVE: To determine the efficacy of lentiviral vector (LV) mediated GT in the murine model of OS (Rag2R229Q/R229Q) in correcting immunodeficiency and autoimmunity...
December 11, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29241210/combination-cyclophosphamide-glucocorticoids-provide-better-tolerability-and-outcomes-versus-glucocorticoids-alone-in-patients-with-sjogren-s-associated-chronic-interstitial-nephritis
#5
Yuqi Shen, Jingyuan Xie, Li Lin, Xiao Li, Pingyan Shen, Xiaoxia Pan, Hong Ren, Nan Chen
BACKGROUND: Steroid therapy has become an effective option for patients with primary Sjogren's syndrome with tubulointerstitial nephritis (TIN), while the use of cytotoxic agents is still debated. Our study aimed to compare the clinical outcomes of patients treated with cyclophosphamide (CTX) combined with glucocorticoids with those of patients treated with glucocorticoids alone. METHODS: All patients with primary Sjogren's syndrome with chronic TIN admitted to the Division of Nephrology, Ruijin Hospital, from January 1, 2002, to April 30, 2016, and treated with steroids alone or combined with CTX were included...
December 14, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29240559/fluorescence-detection-enumeration-and-characterization-of-single-circulating-cells-in-vivo-technology-applications-and-future-prospects
#6
Carolin Hartmann, Roshani Patil, Charles P Lin, Mark Niedre
There are many diseases and biological processes that involve circulating cells in the bloodstream, such as cancer metastasis, immunology, reproductive medicine, and stem cell therapies. This has driven significant interest in new technologies for the study of circulating cells in small animal research models and clinically. Most currently used methods require drawing and enriching blood samples from the body, but these suffer from a number of limitations. In contrast, 'in vivo flow cytometry' (IVFC) refers to set of technologies that allow study of cells directly in the bloodstream of the organism in vivo...
December 14, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29239784/new-perspectives-for-natural-triterpene-glycosides-as-potential-adjuvants
#7
Marie-Aleth Lacaille-Dubois, Hildebert Wagner
BACKGROUND: Triterpene glycosides are a vast group of secondary metabolites widely distributed in plants including a high number of biologically active compounds. The pharmacological potential is evaluated by using many bioassays particularly in the field of cancerology, immunology, and microbiology. The adjuvant concept is well known for these molecules in vaccines, but there is little preclinical evidence to support this concept in the management of cancer, infections and inflammation...
November 7, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29238731/porcine-to-human-heart-transplantation-is-clinical-application-now-appropriate
#8
REVIEW
Christopher G A McGregor, Guerard W Byrne
Cardiac xenotransplantation (CXTx) is a promising solution to the chronic shortage of donor hearts. Recent advancements in immune suppression have greatly improved the survival of heterotopic CXTx, now extended beyond 2 years, and life-supporting kidney XTx. Advances in donor genetic modification (B4GALNT2 and CMAH mutations) with proven Gal-deficient donors expressing human complement regulatory protein(s) have also accelerated, reducing donor pig organ antigenicity. These advances can now be combined and tested in life-supporting orthotopic preclinical studies in nonhuman primates and immunologically appropriate models confirming their efficacy and safety for a clinical CXTx program...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/29238707/drug-repurposing-for-the-treatment-of-acute-myeloid-leukemia
#9
REVIEW
Vibeke Andresen, Bjørn T Gjertsen
Acute myeloid leukemia (AML) is a heterogeneous disease characterized by the accumulation of immature myeloid progenitor cells in the bone marrow, compromising of normal blood cell production and ultimately resulting in bone marrow failure. With a 20% overall survival rate at 5 years and 50% in the 18- to 65-year-old age group, new medicines are needed. It is proposed that development of repurposed drugs may be a part of the new therapy needed. AML is subdivided into recurrent molecular entities based on molecular genetics increasingly accessible for precision medicine...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/29238602/single-cell-gene-expression-patterns-in-lupus-monocytes-independently-indicate-disease-activity-interferon-and-therapy
#10
Zhongbo Jin, Wei Fan, Mark A Jensen, Jessica M Dorschner, George F Bonadurer, Danielle M Vsetecka, Shreyasee Amin, Ashima Makol, Floranne Ernste, Thomas Osborn, Kevin Moder, Vaidehi Chowdhary, Timothy B Niewold
Objectives: Important findings can be masked in gene expression studies of mixed cell populations. We examined single-cell gene expression in SLE patient monocytes in the context of clinical and immunological features. Methods: Monocytes were purified from patients with SLE and controls, and individually isolated for single-cell gene expression measurement. A panel of monocyte-related transcripts were measured in individual classical (CL) and non-classical (NCL) monocytes...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29238346/generating-a-tolerogenic-cell-therapy-knowledge-graph-from-literature
#11
Andre Lamurias, João D Ferreira, Luka A Clarke, Francisco M Couto
Tolerogenic cell therapies provide an alternative to conventional immunosuppressive treatments of autoimmune disease and address, among other goals, the rejection of organ or stem cell transplants. Since various methodologies can be followed to develop tolerogenic therapies, it is important to be aware and up to date on all available studies that may be relevant to their improvement. Recently, knowledge graphs have been proposed to link various sources of information, using text mining techniques. Knowledge graphs facilitate the automatic retrieval of information about the topics represented in the graph...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29238240/the-effect-of-dpp-4-inhibitors-on-asthma-control-an-administrative-database-study-to-evaluate-a-potential-pathophysiological-relationship
#12
Gene Colice, David Price, Maria Gerhardsson de Verdier, Karma Rabon-Stith, Christopher Ambrose, Katherine Cappell, Debra E Irwin, Paul Juneau, Anna Vlahiotis
Rationale: DPP-4 may regulate immunological pathways implicated in asthma. Assessing whether DPP-4 inhibitor (DPP-4i) use might affect asthma control is clinically important because DPP-4i use in type 2 diabetes mellitus management (T2DM) is increasing. This study evaluated associations between DPP-4i use and asthma control. Methods: This was a retrospective, observational, matched cohort study using administrative claims in the MarketScan® Commercial Claims and Encounters (Commercial) and Medicare Supplemental and Coordination of Benefits (Medicare Supplemental) databases...
2017: Pragmatic and Observational Research
https://www.readbyqxmd.com/read/29238209/transplant-acquired-food-allergy-current-perspectives
#13
REVIEW
Shweta S Hosakoppal, Paul J Bryce
Mechanisms that regulate the tolerance to dietary proteins or the loss of this and subsequent development of disease are poorly understood. In food allergy, there is growing awareness of the urgency in understanding these events to aid in the development of next-generation therapies and interventions. This review focuses on the accumulating evidence related to food allergy that develops after transplantation. This intriguing immunological phenomenon has been described in several different types of transplant settings and to variety of different foods...
2017: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/29237435/clinical-safety-of-combined-therapy-of-immune-checkpoint-inhibitors-and-viscum-album-l-therapy-in-patients-with-advanced-or-metastatic-cancer
#14
Anja Thronicke, Megan L Steele, Christian Grah, Burkhard Matthes, Friedemann Schad
BACKGROUND: Despite improvement of tumour response rates in patients with progressive and metastatic cancer, immune checkpoint inhibitors (ICM) induce toxicities in cancer patients. Viscum album L. (VA, mistletoe) extracts are applied as add-on cancer therapy especially in German speaking countries and within integrative and anthroposophical concepts with the goal to improve quality of life. The primary objective of this pilot observational cohort study was to determine the rate of adverse events (AE) related to ICM therapy with and without VA in patients with advanced or metastatic cancer in a certified Cancer Center...
December 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29237258/diagnosis-and-management-of-moderate-to-severe-adult-atopic-dermatitis-a-consensus-by-the-italian-society-of-dermatology-and-venereology-sidemast-the-italian-association-of-hospital-dermatologists-adoi-the-italian-society-of-allergy-asthma-and-clinical-immunology
#15
Piergiacomo Calzavara Pinton, Antonio Cristaudo, Caterina Foti, Giorgio W Canonica, Nicola Balato, Antonio Costanzo, Ornella DE Pità, Clara DE Simone, Cataldo Patruno, Giovanni Pellacani, Ketty Peris, Giampiero Girolomoni
Atopic dermatitis (AD) is a chronic immune-mediated inflammatory skin disease, currently recognized as a systemic disease possibly burdened by various comorbidities, including, but not limited to, other allergic conditions. Management guidelines issued by American and European dermatology and allergy scientific societies are available. However, some discrepancies exist in these guidelines, and some aspects of the management process, including diagnosis and severity assessment, as well as therapy duration and switch criteria, are not fully clarified by existing guidelines...
December 14, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29236389/fecal-short-chain-fatty-acids-at-different-time-points-after-ceftriaxone-administration-in-rats
#16
Yu V Holota, O O Holubenko, A M Ostapchuk, T M Serhiychuk, L V Zakordonets, G M Tolstanova
Short-chain fatty acids (SCFAs) are major products of the microbial fermentation of dietary fiber in the colon. Recent studies suggest that these products of microbial metabolism in the gut act as signaling molecules, influence host energy homeostasis and play major immunological roles. In the present study, defined the long-term effects of ceftriaxone administration on the fecal SCFAs concentration in Wistar rats. Ceftriaxone (300 mg/kg, i.m.) was administered daily for 14 days. Rats were euthanized in 1, 15 and 56 days after ceftriaxone withdrawal...
January 2017: Ukrainian Biochemical Journal
https://www.readbyqxmd.com/read/29236046/advances-in-proteomic-techniques-for-cytokine-analysis-focus-on-melanoma-research
#17
REVIEW
Helena Kupcova Skalnikova, Jana Cizkova, Jakub Cervenka, Petr Vodicka
Melanoma is a skin cancer with permanently increasing incidence and resistance to therapies in advanced stages. Reports of spontaneous regression and tumour infiltration with T-lymphocytes makes melanoma candidate for immunotherapies. Cytokines are key factors regulating immune response and intercellular communication in tumour microenvironment. Cytokines may be used in therapy of melanoma to modulate immune response. Cytokines also possess diagnostic and prognostic potential and cytokine production may reflect effects of immunotherapies...
December 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29235226/reduced-therapeutic-effect-of-antiviral-drugs-in-patients-with-hepatitis-b-virus-reactivation-after-hematopoietic-stem-cell-transplantation
#18
Masamichi Kimura, Koji Nishikawa, Hisashi Sakamaki, Masashi Mizokami, Kiminori Kimura
BACKGROUND: Patients with resolved Hepatitis B virus (HBV) infection following hematopoietic stem cell transplantation (HSCT) are potentially at high risk of HBV reactivation. Although anti-viral drug therapy is recommended when HBV DNA reappears in the serum, drug efficacy after HBV reactivation remains unclear. METHODS: Host immune response against HBV was investigated via immunological analyses at 12 months after entecavir (ETV) treatment in six HSCT-treated and five non-HSCT-treated patients with HBV reactivation, and 18 patients with chronic hepatitis B (CHB)...
December 13, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/29234980/low-dose-interleukin-2-as-a-modulator-of-treg-homeostasis-after-hsct-current-understanding-and-future-perspectives
#19
REVIEW
Ken-Ichi Matsuoka
CD4+CD25+Foxp3+ Treg is a functionally distinct subset of mature T cells with broad suppressive activity and has been shown to play an important role in the establishment of immune tolerance after HSCT. Altered cytokine environment in post-HSCT lymphopenia with a relative functional deficiency of IL-2 could hamper the reconstitution of Treg, leading to refractory GVHD. Based on the theory of low-dose IL-2 in which Treg can be selectively stimulated through the high-affinity IL-2 receptor, clinical studies have been conducted and demonstrated that low-dose IL-2 administration can restore Treg homeostasis and promote the expansion of this subset on the polymorphic processes of Treg reconstitution after HSCT...
December 12, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/29233559/tumour-infiltrating-lymphocytes-and-prognosis-in-different-subtypes-of-breast-cancer-a-pooled-analysis-of-3771-patients-treated-with-neoadjuvant-therapy
#20
Carsten Denkert, Gunter von Minckwitz, Silvia Darb-Esfahani, Bianca Lederer, Barbara I Heppner, Karsten E Weber, Jan Budczies, Jens Huober, Frederick Klauschen, Jenny Furlanetto, Wolfgang D Schmitt, Jens-Uwe Blohmer, Thomas Karn, Berit M Pfitzner, Sherko Kümmel, Knut Engels, Andreas Schneeweiss, Arndt Hartmann, Aurelia Noske, Peter A Fasching, Christian Jackisch, Marion van Mackelenbergh, Peter Sinn, Christian Schem, Claus Hanusch, Michael Untch, Sibylle Loibl
BACKGROUND: Tumour-infiltrating lymphocytes (TILs) are predictive for response to neoadjuvant chemotherapy in triple-negative breast cancer (TNBC) and HER2-positive breast cancer, but their role in luminal breast cancer and the effect of TILs on prognosis in all subtypes is less clear. Here, we assessed the relevance of TILs for chemotherapy response and prognosis in patients with TNBC, HER2-positive breast cancer, and luminal-HER2-negative breast cancer. METHODS: Patients with primary breast cancer who were treated with neoadjuvant combination chemotherapy were included from six randomised trials done by the German Breast Cancer Group...
December 7, 2017: Lancet Oncology
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