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https://www.readbyqxmd.com/read/28651306/heme-oxygenase-1-induction-and-anti-inflammatory-actions-of-atractylodes-macrocephala-and-taraxacum-herba-extracts-prevented-colitis-and-was-more-effective-than-sulfasalazine-in-preventing-relapse
#1
Kyu-Hyun Han, Jong-Min Park, Migyeong Jeong, Young-Min Han, Eun-Jin Go, Juyeon Park, Hocheol Kim, Jae Gab Han, Oran Kwon, Ki Baik Hahm
Background/Aims: In inflammatory bowel disease (IBD), repeated bouts of remission and relapse occur in patients and can impose a risk of colitis-associated cancer. We hypothesized that plant extracts of Atractylodes macrocephala (AM) or Taraxacum herba (TH) may be better than sulfasalazine for treating this disease because these extracts can promote additional regeneration. Methods: Murine intestinal epithelial IEC-6 cells were pretreated with AM or TH before a lipopolysaccharide (LPS)-induced challenge...
June 27, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28651159/health-related-quality-of-life-results-from-the-phase-iii-checkmate-067-study
#2
Dirk Schadendorf, James Larkin, Jedd Wolchok, F Stephen Hodi, Vanna Chiarion-Sileni, Rene Gonzalez, Piotr Rutkowski, Jean-Jacques Grob, C Lance Cowey, Christopher Lao, John Wagstaff, Margaret K Callahan, Michael A Postow, Michael Smylie, Pier Francesco Ferrucci, Reinhard Dummer, Andrew Hill, Fiona Taylor, Javier Sabater, Dana Walker, Srividya Kotapati, Amy Abernethy, Georgina V Long
BACKGROUND: Nivolumab, a monoclonal antibody of immune checkpoint programmed death 1 on T cells (PD-1), combined with ipilimumab, an immune checkpoint cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) inhibitor, as combination therapy on the one hand and nivolumab as monotherapy on the other, have both demonstrated improved efficacy compared with ipilimumab alone in the CheckMate 067 study. However, the combination resulted in a higher frequency of grade 3/4 adverse events (AEs), which could result in diminished health-related quality of life (HRQoL)...
June 22, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28651074/chimeric-antigen-receptor-engineered-natural-killer-and-natural-killer-t-cells-for-cancer-immunotherapy
#3
REVIEW
Dominique Bollino, Tonya J Webb
Natural killer (NK) cells of the innate immune system and NK T (NKT) cells, which have roles in both the innate and adaptive responses, are unique lymphocyte subsets that have similarities in their functions and phenotypes. Both cell types can rapidly respond to the presence of tumor cells and participate in immune surveillance and antitumor immune responses. This has incited interest in the development of novel cancer therapeutics based on NK and NKT cell manipulation. Chimeric antigen receptors (CARs), generated through the fusion of an antigen-binding region of a monoclonal antibody or other ligand to intracellular signaling domains, can enhance lymphocyte targeting and activation toward diverse malignancies...
June 9, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28651073/hemophilia-a-inhibitor-treatment-the-promise-of-engineered-t-cell-therapy
#4
REVIEW
Kalpana Parvathaneni, Maha Abdeladhim, Kathleen P Pratt, David W Scott
Hemophilia A is a bleeding disorder caused by mutations in the gene encoding factor VIII (FVIII), a cofactor protein that is essential for normal blood clotting. Approximately, 1 in 3 patients with severe hemophilia A produce neutralizing antibodies (inhibitors) that block its biologic function in the clotting cascade. Current efforts to eliminate inhibitors consist of repeated FVIII injections under what is termed an "ITI" protocol (Immune Tolerance Induction). However, this method is extremely costly and approximately 30% of patients undergoing ITI do not achieve peripheral tolerance...
June 9, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28650992/galectin-8-as-an-immunosuppressor-in-experimental-autoimmune-encephalomyelitis-and-a-target-of-human-early-prognostic-antibodies-in-multiple-sclerosis
#5
Evelyn Pardo, Claudia Cárcamo, Reinaldo Uribe-San Martín, Ethel Ciampi, Fabián Segovia-Miranda, Cristobal Curkovic-Peña, Fabián Montecino, Christopher Holmes, Juan Enrique Tichauer, Eric Acuña, Francisco Osorio-Barrios, Marjorie Castro, Priscilla Cortes, Claudia Oyanadel, David M Valenzuela, Rodrigo Pacheco, Rodrigo Naves, Andrea Soza, Alfonso González
Galectin-8 (Gal-8) is a member of a glycan-binding protein family that regulates the immune system, among other functions, and is a target of antibodies in autoimmune disorders. However, its role in multiple sclerosis (MS), an autoimmune inflammatory disease of the central nervous system (CNS), remains unknown. We study the consequences of Gal-8 silencing on lymphocyte subpopulations and the development of experimental autoimmune encephalitis (EAE), to then assess the presence and clinical meaning of anti-Gal-8 antibodies in MS patients...
2017: PloS One
https://www.readbyqxmd.com/read/28650258/helper-t-cell-responses-to-respiratory-viruses-in-the-lung-development-virus-suppression-and-pathogenesis
#6
Kosuke Miyauchi
The lung is an important line of defense that is exposed to respiratory infectious pathogens, including viruses. Lung epithelial cells and/or alveolar macrophages are initially targeted by respiratory viruses. Once respiratory viruses invade the cells of the lung, innate immunity is activated to inhibit viral replication. Innate immune signaling also activates virus-specific adaptive immune responses. The helper T cells play pivotal roles in the humoral and cellular adaptive immune responses. Helper T cells are categorized into several distinct subsets (e...
June 26, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28649877/retrospective-cohort-study-and-biobanking-of-patients-treated-for-hemangioma-in-childhood-telomeres-as-biomarker-of-aging-and-radiation-exposure
#7
Monika Frenzel, Michelle Ricoul, Mohamed Amine Benadjaoud, Marion Bellamy, Aude Lenain, Nadia Haddy, Ibrahima Diallo, Christine Mateus, Florent de Vathaire, Laure Sabatier
PURPOSE: Cohorts allowing joint epidemiological and biological analyses are essential for radiation risk assessment. The French Hemangioma Cohort (FHC), studied within the European project EpiRadBio, is one of the rare cohorts suitable for studying the effect of low dose radiation exposure (<100 mGy at organs), with a long-term follow-up. This highly homogeneous cohort consists of healthy individuals belonging to a normal population, except for the presence of skin hemangioma (age at exposure: between 6 months and 3 years of age)...
June 26, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28649788/pharmacokinetics-and-dynamics-of-mycophenolate-mofetil-after-single-dose-oral-administration-in-juvenile-dachshunds
#8
M Grobman, D M Boothe, H Rindt, B G Williamson, M L Katz, J R Coates, C R Reinero
Mycophenolate mofetil (MMF) is recommended as an alternative/complementary immunosuppressant. Pharmacokinetic and dynamic effects of MMF are unknown in young-aged dogs. We investigated the pharmacokinetics and pharmacodynamics of single oral dose MMF metabolite, mycophenolic acid (MPA), in healthy juvenile dogs purpose-bred for the tripeptidyl peptidase 1 gene (TPP1) mutation. The dogs were heterozygous for the mutation (nonaffected carriers). Six dogs received 13 mg/kg oral MMF and two placebo. Pharmacokinetic parameters derived from plasma MPA were evaluated...
June 25, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28649611/lrrk2-levels-in-immune-cells-are-increased-in-parkinson-s-disease
#9
D A Cook, G T Kannarkat, A F Cintron, Laura M Butkovich, Kyle B Fraser, J Chang, N Grigoryan, S A Factor, Andrew B West, J M Boss, M G Tansey
Mutations associated with leucine-rich repeat kinase 2 are the most common known cause of Parkinson's disease. The known expression of leucine-rich repeat kinase 2 in immune cells and its negative regulatory function of nuclear factor of activated T cells implicates leucine-rich repeat kinase 2 in the development of the inflammatory environment characteristic of Parkinson's disease. The aim of this study was to determine the expression pattern of leucine-rich repeat kinase 2 in immune cell subsets and correlate it with the immunophenotype of cells from Parkinson's disease and healthy subjects...
2017: NPJ Parkinson's Disease
https://www.readbyqxmd.com/read/28649452/glucocorticoid-receptor-expression-on-circulating-leukocytes-differs-between-healthy-male-and-female-adults
#10
Kim D Lu, Shlomit Radom-Aizik, Fadia Haddad, Frank Zaldivar, Monica Kraft, Dan M Cooper
INTRODUCTION: The glucocorticoid receptor (GR) is a key receptor involved in inflammatory responses and is influenced by sex steroids. This study measured GR expression on circulating leukocyte subtypes in males and females. METHODS: A total of 23 healthy adults (12 female) participated in this study. GR expression was measured in leukocyte subtypes using flow cytometry. Peripheral blood mononuclear cell (PBMC) gene expression of GR (NR3C1), GR β, TGF-β1 and 2, and glucocorticoid-induced leucine zipper (GILZ) were determined by real-time polymerase chain reaction...
April 2017: Journal of clinical and translational science
https://www.readbyqxmd.com/read/28649364/immunosurveillance-by-human-%C3%AE-%C3%AE-t-lymphocytes-the-emerging-role-of-butyrophilins
#11
REVIEW
Dieter Kabelitz, Marcus Lettau, Ottmar Janssen
In contrast to conventional T lymphocytes, which carry an αβ T-cell receptor and recognize antigens as peptides presented by major histocompatibility complex class I or class II molecules, human γδ T cells recognize different metabolites such as non-peptidic pyrophosphate molecules that are secreted by microbes or overproduced by tumor cells. Hence, γδ T cells play a role in immunosurveillance of infection and cellular transformation. Until recently, it has been unknown how the γδ T-cell receptor senses such pyrophosphates in the absence of known antigen-presenting molecules...
2017: F1000Research
https://www.readbyqxmd.com/read/28649252/sexual-dimorphic-responses-in-lymphocytes-of-healthy-individuals-after-carica-papaya-consumption
#12
Nur Ramziahrazanah Jumat, Mun Yee Chong, Zainina Seman, Rosita Jamaluddin, Nyet Kui Wong, Maha Abdullah
Sexual dimorphism in immune response is widely recognized, but few human studies have observed this distinction. Food with endo-immunomodulatory potential may reveal novel sex-biased in vivo interactions. Immunomodulatory effects of Carica papaya were compared between healthy male and female individuals. Volunteers were given fixed meals supplemented with papaya for 2 days. Changes in blood immune profiles and hormone levels were determined. In females, total natural killer (NK) cell percentages decreased (12...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28649243/distinct-blood-and-visceral-adipose-tissue-regulatory-t-cell-and-innate-lymphocyte-profiles-characterize-obesity-and-colorectal-cancer
#13
Gloria Donninelli, Manuela Del Cornò, Marina Pierdominici, Beatrice Scazzocchio, Rosaria Varì, Barbara Varano, Ilenia Pacella, Silvia Piconese, Vincenzo Barnaba, Massimo D'Archivio, Roberta Masella, Lucia Conti, Sandra Gessani
Visceral adipose tissue (VAT) is a main site where metabolic and immunologic processes interplay to regulate, at local and systemic level, the inflammatory status and immune response. Obesity-associated inflammation and immune dysfunctions are inextricably linked to tumor but, in spite of intense efforts, the mechanisms underpinning this association remain elusive. In this report, we characterized the profile of VAT-associated and circulating innate lymphocyte and regulatory T (Treg) cell subsets underlying inflammatory conditions, such as obesity and colorectal cancer (CRC)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28649242/an-approach-for-a-synthetic-ctl-vaccine-design-against-zika-flavivirus-using-class-i-and-class-ii-epitopes-identified-by-computer-modeling
#14
Edecio Cunha-Neto, Daniela S Rosa, Paul E Harris, Tim Olson, Alex Morrow, Serban Ciotlos, Charles V Herst, Reid Martin Rubsamen
The threat posed by severe congenital abnormalities related to Zika virus (ZKV) infection during pregnancy has turned development of a ZKV vaccine into an emergency. Recent work suggests that the cytotoxic T lymphocyte (CTL) response to infection is an important defense mechanism in response to ZKV. Here, we develop the rationale and strategy for a new approach to developing cytotoxic T lymphocyte (CTL) vaccines for ZKV flavivirus infection. The proposed approach is based on recent studies using a protein structure computer model for HIV epitope selection designed to select epitopes for CTL attack optimized for viruses that exhibit antigenic drift...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28648905/antibodies-against-immune-checkpoint-molecules-restore-functions-of-tumor-infiltrating-t-cells-in-hepatocellular-carcinomas
#15
Guoying Zhou, Dave Sprengers, Patrick P C Boor, Michail Doukas, Hannah Schutz, Shanta Mancham, Alexander Pedroza-Gonzalez, Wojciech G Polak, Jeroen de Jonge, Marcia Gaspersz, Haidong Dong, Kris Thielemans, Qiuwei Pan, Jan N M IJzermans, Marco J Bruno, Jaap Kwekkeboom
BACKGROUND & AIMS: Ligand binding to inhibitory receptors on immune cells, such as programmed cell death 1 (PD-1) and cytotoxic T-lymphocyte associated protein 4 (CTLA4), downregulates the T-cell-mediated immune response (called immune checkpoints). Antibodies that block these receptors increase anti-tumor immunity in patients with melanoma, non-small cell lung cancer, and renal cell cancer. Tumor-infiltrating CD4(+) and CD8(+) T cells in patients with hepatocellular carcinoma (HCC) have been found to be functionally compromised...
June 22, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28648866/cytokines-in-immunogenic-cell-death-applications-for-cancer-immunotherapy
#16
REVIEW
Anne Showalter, Arati Limaye, Jeremiah L Oyer, Robert Igarashi, Christina Kittipatarin, Alicja J Copik, Annette R Khaled
Despite advances in treatments like chemotherapy and radiotherapy, metastatic cancer remains a leading cause of death for cancer patients. While many chemotherapeutic agents can efficiently eliminate cancer cells, long-term protection against cancer is not achieved and many patients experience cancer recurrence. Mobilizing and stimulating the immune system against tumor cells is one of the most effective ways to protect against cancers that recur and/or metastasize. Activated tumor specific cytotoxic T lymphocytes (CTLs) can seek out and destroy metastatic tumor cells and reduce tumor lesions...
June 22, 2017: Cytokine
https://www.readbyqxmd.com/read/28648732/-adoptive-transfer-of-t-lymphocytes
#17
H Vié, B Clémenceau
Within a few years, the success of treatments based on the use of T-cells armed with a chimeric T-receptor for the CD19 molecule (CAR-T CD19) has revolutionized the perception of adoptive transfer approaches. The levels of responses observed in acute leukemias, of the order of 70-90 % are indeed unprecedented. The medical and financial enthusiasm aroused by these results has led to the current situation where more than 300 clinical trials are under way, against some thirty different antigens. This enthusiasm, well justified by the first successes, must however be tempered by the difficulties associated with the use of these cells...
June 22, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/28648699/prognostic-factors-and-outcomes-in-metastatic-uveal-melanoma-treated-with-programmed-cell-death-1-or-combined-pd-1-cytotoxic-t-lymphocyte-antigen-4-inhibition
#18
Markus V Heppt, Lucie Heinzerling, Katharina C Kähler, Andrea Forschner, Michael C Kirchberger, Carmen Loquai, Markus Meissner, Friedegund Meier, Patrick Terheyden, Beatrice Schell, Rudolf Herbst, Daniela Göppner, Felix Kiecker, David Rafei-Shamsabadi, Sebastian Haferkamp, Margit A Huber, Jochen Utikal, Mirjana Ziemer, Irmgard Bumeder, Christiane Pfeiffer, Susanne G Schäd, Christoph Schmid-Tannwald, Julia K Tietze, Thomas K Eigentler, Carola Berking
BACKGROUND: Uveal melanoma (UM) is an ocular malignancy with high potential for metastatic spread. In contrast to cutaneous melanoma, immunotherapy has not yet shown convincing efficacy in patients with UM. Combined immune checkpoint blockade with checkpoint programmed cell death-1 (PD-1) and checkpoint cytotoxic T-lymphocyte antigen-4 (CTLA-4) inhibition has not been systematically assessed for UM to date. PATIENTS AND METHODS: Patients with metastatic UM treated with either PD-1 inhibitor monotherapy or combined PD-1 inhibitor and ipilimumab (an anti-CTLA-4 monoclonal antibody) were included from 20 German skin cancer centres...
June 21, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28648302/nephrotic-syndrome-with-cancer-immunotherapies-a-report-of-2-cases
#19
Abhijat Kitchlu, Warren Fingrut, Carmen Avila-Casado, Christopher T Chan, Michael Crump, David Hogg, Heather N Reich
Oncologic immunotherapies use a patient's immune response to eliminate tumor cells by modulation of immune checkpoints, including programmed cell death 1 (PD-1) and cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) proteins. Immune-mediated sequelae, including interstitial nephritis, have been reported; however, glomerular disease appears rare. We describe 2 cases of nephrotic syndrome in patients treated with these agents. Patient 1 received the anti-PD-1 antibody pembrolizumab for Hodgkin lymphoma. Following his second dose, he developed nephrotic syndrome and acute kidney injury...
June 22, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28647974/-cd-4-t-lymphocyte-responses-to-anti-retroviral-therapy-among-hiv-aids-patients-aged-18-and-over
#20
X X Guo, Y Ma, Z H Dou, Y S Wu, D C Zhao, W P Cai, Y Li, X X Dong
Objective: To compare the differences of CD(4) (+) T lymphocyte (CD(4)) counts between patients aged 18 and over, to explore the effect of age on treatment, 36 months after having received the China National Free AIDS Antiretroviral Treatment on HIV/AIDS. Methods: Through the National ART Information Ssystem, we selected those HIV/AIDS patients who initiated the ART 36 months after the ART, between January 1, 2010 and December 31, 2012 in Guangzhou, Liuzhou and Kunming. Patients were divided into age groups as 18-49, 50-59 and 60 or over year olds, at the baseline of treatment...
June 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
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