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https://www.readbyqxmd.com/read/29156736/effects-of-sodium-fluoride-on-blood-cellular-and-humoral-immunity-in-mice
#1
Hongrui Guo, Ping Kuang, Qin Luo, Hengmin Cui, Huidan Deng, Huan Liu, Yujiao Lu, Jing Fang, Zhicai Zuo, Junliang Deng, Yinglun Li, Xun Wang, Ling Zhao
Exposure to high fluorine can cause toxicity in human and animals. Currently, there are no systematic studies on effects of high fluorine on blood cellular immunity and humoral immunity in mice. We evaluated the alterations of blood cellular immunity and humoral immunity in mice by using flow cytometry and ELISA. In the cellular immunity, we found that sodium fluoride (NaF) in excess of 12 mg/Kg resulted in a significant decrease in the percentages of CD3(+), CD3(+)CD4(+), CD3(+)CD8(+) T lymphocytes in the peripheral blood...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155016/topical-administration-of-reversible-sahh-inhibitor-ameliorates-imiquimod-induced-psoriasis-like-skin-lesions-in-mice-via-suppression-of-tnf-%C3%AE-ifn-%C3%AE-induced-inflammatory-response-in-keratinocytes-and-t-cell-derived-il-17
#2
Ze-Min Lin, Meng Ma, Heng Li, Qing Qi, Yu-Ting Liu, Yu-Xi Yan, Yun-Fu Shen, Xiao-Qian Yang, Feng-Hua Zhu, Shi-Jun He, Wei Tang, Jian-Ping Zuo
DZ2002, a reversible S-adenosyl-L-homocysteine hydrolase (SAHH) inhibitor with immunosuppressive properties and potent therapeutic activity against various autoimmune diseases in mice. The present study was designed to characterize the potential therapeutic effects of DZ2002 on murine model of psoriasis and reveal the correlated mechanisms. In this report, we demonstrated that in vitro, DZ2002 significantly decreased the expression of pro-inflammatory cytokines and adhesion molecule including IL-1α, IL-1β, IL-6, IL-8, TNF-α and ICAM-1 by inhibiting the phosphorylation of p38 MAPK, ERK and JNK in TNF-α/IFN-γ-stimulated HaCaT human keratinocytes...
November 14, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29154854/chicken-il-17a-is-expressed-in-%C3%AE-%C3%AE-and-%C3%AE-%C3%AE-t-cell-subsets-and-binds-to-a-receptor-present-on-macrophages-and-t-cells
#3
Isabelle Walliser, Thomas W Göbel
IL-17A as important cytokine in host defense has been analysed intensively and various homologous have been identified. To further gain insight into the functional properties of chicken (gg) IL-17A its expression profile was analysed by intracellular cytokine staining. In splenocytes and peripheral blood mononuclear cells gg IL-17A was detected in subsets of CD4(+) T cells and γδ T cells. In contrast the gg IL-17A producing populations in intestinal intraepithelial lymphocytes were characterized as either CD3(+)CD25(+) cells or γδ T cells...
November 14, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29154122/broncho-vaxom-in-pediatric-recurrent-respiratory-tract-infections-a-systematic-review-and-meta-analysis
#4
REVIEW
Ju Yin, Baoping Xu, Xiantao Zeng, Kunling Shen
OBJECTIVES: Assess the efficacy and safety of Broncho-Vaxom in pediatric recurrent respiratory tract infections (RRTIs). METHODS: Published randomized controlled trials (RCTs) of Broncho-Vaxom for pediatric RRTI were searched using PubMed, Embase, Cochrane Library, CBM, CNKI, WanFang Data, and VIP databases up to January 2017. Risk of bias was evaluated in accordance to the guidelines of the Cochrane collaboration and the level of evidence was graded according to the GRADE...
November 16, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29152655/tgf%C3%A2-%C3%AE-1-expression-in-adults-with-non%C3%A2-traumatic-osteonecrosis-of-the-femoral-head
#5
Jun Tao, Bin Dong, Li-Xin Yang, Ke-Qing Xu, Shuai Ma, Jun Lu
Non-traumatic osteonecrosis of the femoral head (NONFH) is a common clinical osteoarthropathy. The present study aimed to investigate the association between transforming growth factor β1 (TGF‑β1) and NONFH. Femoral head specimens were collected from patients with NONFH. Patients with traumatic osteonecrosis served as the control. Hematoxylin and eosin (H&E) staining was used to visualize the bone tissue architecture. Immunohistochemistry and densitometry were performed to quantify TGF‑β1 expression in tissues...
October 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29152550/tertiary-lymphoid-structures-associate-with-tumour-stage-in-urothelial-bladder-cancer
#6
Madhuri Koti, Amanda Shou Xu, Kevin Yi Mi Ren, Kash Visram, Runhan Ren, David M Berman, D Robert Siemens
Background: Urothelial bladder cancer (UBC) is a highly prevalent disease in North America, however its optimal management remains elusive. The contribution of B cell associated responses is poorly understood in bladder cancer. Lymphoid neogenesis is a hallmark of an active immune response at tumor sites that sometimes leads to formation of tertiary lymphoid structures (TLS) that resemble germinal centers formed in secondary lymphoid organs. Objective: This study was conducted with an aim to investigate the presence and characteristics of TLS in UBC with a focus to compare and contrast the TLS formation in treatment naive low grade non-muscle invasive (NMIBC) and muscle invasive bladder cancers (MIBC)...
October 27, 2017: Bladder Cancer
https://www.readbyqxmd.com/read/29151956/strategies-for-bispecific-single-chain-antibody-in-cancer-immunotherapy
#7
REVIEW
Shu-Juan Zhou, Jia Wei, Shu Su, Fang-Jun Chen, Yu-Dong Qiu, Bao-Rui Liu
Genetic engineering has resulted in more than 50 recombinant bispecific antibody formats over the past two decades. Bispecific scFv antibodies represent a successful and promising immunotherapy platform that retargets cytotoxic T cells to tumor cells, with one scFv directed to tumor-associated antigens and the other to T cells. Based on this antibody construct, strategies for both specific tumor targeting and T cell activation are reviewed here. Three distinct types of tumor antigens are considered to optimize specificity and safety in bispecific scFv based treatment: cancer-testis antigens, neo-antigens and virus-associated antigens...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29150702/high-pdl1-mrna-expression-predicts-better-survival-of-stage-pt1-non-muscle-invasive-bladder-cancer-nmibc-patients
#8
Johannes Breyer, Ralph M Wirtz, Wolfgang Otto, Philipp Erben, Thomas S Worst, Robert Stoehr, Markus Eckstein, Stefan Denzinger, Maximilian Burger, Arndt Hartmann
INTRODUCTION AND OBJECTIVES: Checkpoint inhibition has emerged as new therapeutic option in muscle-invasive bladder cancer. The objective of the present study was to evaluate the prognostic role of PD1 and PDL1 expression in non-muscle-invasive bladder cancer (NMIBC) and establish an objective measuring method using RNA quantification. MATERIALS AND METHODS: We retrospectively analyzed clinical data and formalin-fixed paraffin-embedded tissues (FFPE) of patients with stage pT1 NMIBC who underwent transurethral resection of the bladder...
November 17, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/29148014/unfavorable-clinical-implications-of-peripheral-blood-cd44-and-cd54-lymphocytes-in-patients-with-lung-cancer-undergoing-chemotherapy
#9
Zhuanbo Luo, Yun Wang, Yanru Lou, Chao Cao, Richard Hubbard, Ning Xu, Xiaoping Huang
BACKGROUND: There is an unmet need for identification of additional prognostic markers for lung cancer. The aim of this study was to identify novel clinical and immunological predictors of prognosis in lung cancer patients. METHODS: Lymphocyte subsets CD3+, CD4+, CD8+, CD4+/8+, CD25+, CD69+, CD44+ and CD54+ were quantified in peripheral blood using flow cytometry, for 203 newly diagnosed lung cancer patients and 120 healthy controls. RESULTS: The levels of CD3+, CD4+, CD8+, CD4+/CD8+ and CD69+ lymphocytes were significantly lower in patients with lung cancer compared with the healthy control group, while CD54+ and CD44+ lymphocytes were significantly higher...
November 15, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/29147863/prognostic-relevance-of-programmed-cell-death-ligand-1-expression-in-glioblastoma
#10
Kyu Sang Lee, Kyoungyul Lee, Sumi Yun, Seyoung Moon, Yujun Park, Jung Ho Han, Chae-Yong Kim, Hye Seung Lee, Gheeyoung Choe
The aim of this study was to determine the clinicopathological significance of programmed cell death ligand 1 (PD-L1) expression in glioblastoma (GBM). In a retrospective cohort of 115 consecutive patients with GBM, PD-L1 expression was determined using immunohistochemistry (IHC). Membranous and fibrillary PD-L1 staining of any intensity in > 5% neoplastic cells and tumour infiltrating immune cells (TIIs) was considered positive staining. In addition, isocitrate dehydrogenase-1 (IDH-1) (R132H) expression and cluster of differentiation 3 (CD3)-positive T-cell infiltration were investigated using IHC...
November 16, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29147608/the-prognostic-role-of-tumor-infiltrating-t-lymphocytes-in-squamous-cell-carcinoma-of-the-head-and-neck-a-systematic-review-and-meta-analysis
#11
REVIEW
Emma J de Ruiter, Marc L Ooft, Lot A Devriese, Stefan M Willems
Background - The presence of tumor-infiltrating lymphocytes (TILs) in the tumor microenvironment is associated with an improved prognosis and a better response to therapy in different types of cancer. In this systematic review and meta-analysis, we investigated the prognostic value of T cells in head and neck squamous cell carcinoma (HNSCC). Methods - In a systematic review, Pubmed and Embase were searched for publications that investigated the prognostic value of T cells in HNSCC. A meta-analysis was performed including all studies assessing the association between CD3+, CD4+, CD8+, and FoxP3+ TILs and overall survival (OS), disease-free survival (DFS), or locoregional control (LRC)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29145950/a-combination-of-allogeneic-stem-cells-promotes-cardiac-regeneration
#12
Makoto Natsumeda, Victoria Florea, Angela C Rieger, Bryon A Tompkins, Monisha N Banerjee, Samuel Golpanian, Julia Fritsch, Ana Marie Landin, Nilesh D Kashikar, Vasileios Karantalis, Viky Y Loescher, Kostas E Hatzistergos, Luiza Bagno, Cristina Sanina, Muzammil Mushtaq, Jose Rodriguez, Marcos Rosado, Ariel Wolf, Kevin Collon, Louis Vincent, Anthony J Kanelidis, Ivonne H Schulman, Raul Mitrani, Alan W Heldman, Wayne Balkan, Joshua M Hare
BACKGROUND: The combination of autologous mesenchymal stem cells (MSCs) and cardiac stem cells (CSCs) synergistically reduces scar size and improves cardiac function in ischemic cardiomyopathy. Whereas allogeneic (allo-)MSCs are immunoevasive, the capacity of CSCs to similarly elude the immune system remains controversial, potentially limiting the success of allogeneic cell combination therapy (ACCT). OBJECTIVES: This study sought to test the hypothesis that ACCT synergistically promotes cardiac regeneration without provoking immunologic reactions...
November 14, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29145543/association-of-ipilimumab-with-safety-and-antitumor-activity-in-women-with-metastatic-or-recurrent-human-papillomavirus-related-cervical-carcinoma
#13
Stephanie Lheureux, Marcus O Butler, Blaise Clarke, Mihaela C Cristea, Lainie P Martin, Katia Tonkin, Gini F Fleming, Anna V Tinker, Hal W Hirte, Daliah Tsoref, Helen Mackay, Neesha C Dhani, Prafull Ghatage, Johanne Weberpals, Stephen Welch, Nhu-An Pham, Vinicius Motta, Valentin Sotov, Lisa Wang, Katherine Karakasis, Smitha Udagani, Suzanne Kamel-Reid, Howard Z Streicher, Patricia Shaw, Amit M Oza
Importance: Based on evidence of human papillomavirus (HPV)-induced immune evasion, immunotherapy may be an attractive strategy in cervical cancer. Ipilimumab is a fully humanized monoclonal antibody that blocks cytotoxic T-lymphocyte antigen-4 (CTLA-4), which acts to downregulate the T-cell immune response. Objective: To assess the safety and antitumor activity of ipilimumab in recurrent cervical cancer. Design, Setting, and Participants: A multicenter trial was designed for patients with metastatic cervical cancer (squamous cell carcinoma or adenocarcinoma) with measurable disease and progression after at least 1 line of platinum chemotherapy...
November 16, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29145441/distinct-t-and-nk-cell-populations-may-serve-as-immune-correlates-of-protection-against-symptomatic-pandemic-influenza-a-h1n1-virus-infection-during-pregnancy
#14
Miloje Savic, Jennifer L Dembinski, Ida Laake, Olav Hungnes, Rebecca Cox, Fredrik Oftung, Lill Trogstad, Siri Mjaaland
Maternal influenza infection during pregnancy is associated with increased risk of morbidity and mortality. However, the link between the anti-influenza immune responses and health-related risks during infection is not well understood. We have analyzed memory T and NK cell mediated immunity (CMI) responses in pandemic influenza A(H1N1)pdm09 (pdm09) virus infected non-vaccinated pregnant women participating in the Norwegian Influenza Pregnancy Cohort (NorFlu). The cohort includes information on immunization, self-reported health and disease status, and biological samples (plasma and PBMC)...
2017: PloS One
https://www.readbyqxmd.com/read/29143979/analysis-of-anti-tnf-induced-skin-lesions-reveals-strong-th1-activation-with-some-distinct-immunological-characteristics
#15
E Stoffel, H Maier, E Riedl, M-C Brüggen, B Reininger, M Schaschinger, C Bangert, E Guenova, G Stingl, P M Brunner
BACKGROUND: Psoriasiform and eczematous eruptions are the most common dermatological adverse reaction linked to anti-TNF-α therapy. Yet, a detailed characterization of their immune phenotype is lacking. OBJECTIVES: We sought to characterize anti-TNF-α induced inflammatory skin lesions on a histopathologic, cellular and molecular level, compared to psoriasis, eczema (atopic dermatitis), and healthy control skin. METHODS: Histopathologic evaluation, gene expression (quantitative RT-PCR) and computer-assisted immunohistologic studies (TissueFAXS) were performed on 19 skin biopsies from IBD (n=17) and rheumatoid arthritis (n=2) patients with new-onset inflammatory skin lesions during anti-TNF-α-therapy...
November 16, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/29143359/indolent-t-lymphoblastic-proliferation-concomitant-to-acinic-cell-carcinoma-mimicking-t-lymphoblastic-lymphoma-case-report-and-literature-review
#16
Hajime Yasuda, Miyuki Tsutsui, Yasunori Ota, Masaru Tanaka, Norio Komatsu
Indolent T-lymphoblastic proliferation (iT-LBP) is a non-clonal benign condition showing extrathymic proliferation of T-lymphoblasts positive for CD3, CD4, CD8, and TdT. Isolated iT-LBP has been observed, but the majority of iT-LBP have been seen in conjunction with other disorders including Castleman disease, hepatocellular carcinoma, follicular dendritic cell tumors, angioimmunoblastic T-cell lymphoma, myasthenia gravis, and acinic cell carcinoma (ACC). The clinical course of iT-LBP is indolent, and no therapy is usually required...
November 15, 2017: Histopathology
https://www.readbyqxmd.com/read/29142466/higher-pd-1-expression-concurrent-with-exhausted-cd8-t-cells-in-patients-with-de-novo-acute-myeloid-leukemia
#17
Jiaxiong Tan, Shaohua Chen, Yuhong Lu, Danlin Yao, Ling Xu, Yikai Zhang, Lijian Yang, Jie Chen, Jing Lai, Zhi Yu, Kanger Zhu, Yangqiu Li
Objective: To investigate the association between the T cell inhibitory receptor programmed death 1 (PD-1) and T cell exhaustion status in T cells from patients with de novo acute myeloid leukemia (AML) and AML in complete remission (CR). Methods: Surface expression of PD-1 and the exhaustion and immunosenescence markers CD244 and CD57 on CD3+, CD4+ and CD8+ T cells from peripheral blood samples from 20 newly diagnosed, untreated AML patients and 10 cases with AML in CR was analyzed by flow cytometry...
October 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/29141868/geographic-clonal-tracking-in-macaques-provides-insights-into-hspc-migration-and-differentiation
#18
Chuanfeng Wu, Diego A Espinoza, Samson J Koelle, E Lake Potter, Rong Lu, Brian Li, Di Yang, Xing Fan, Robert E Donahue, Mario Roederer, Cynthia E Dunbar
The geographic distribution of hematopoiesis at a clonal level is of interest in understanding how hematopoietic stem and progenitor cells (HSPCs) and their progeny interact with bone marrow (BM) niches during regeneration. We tagged rhesus macaque autologous HSPCs with genetic barcodes, allowing clonal tracking over time and space after transplantation. We found marked geographic segregation of CD34(+) HSPCs for at least 6 mo posttransplantation, followed by very gradual clonal mixing at different BM sites over subsequent months to years...
November 15, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29141863/eight-color-multiplex-immunohistochemistry-for-simultaneous-detection-of-multiple-immune-checkpoint-molecules-within-the-tumor-microenvironment
#19
Mark A J Gorris, Altuna Halilovic, Katrin Rabold, Anne van Duffelen, Iresha N Wickramasinghe, Dagmar Verweij, Inge M N Wortel, Johannes C Textor, I Jolanda M de Vries, Carl G Figdor
Therapies targeting immune checkpoint molecules CTLA-4 and PD-1/PD-L1 have advanced the field of cancer immunotherapy. New mAbs targeting different immune checkpoint molecules, such as TIM3, CD27, and OX40, are being developed and tested in clinical trials. To make educated decisions and design new combination treatment strategies, it is vital to learn more about coexpression of both inhibitory and stimulatory immune checkpoints on individual cells within the tumor microenvironment. Recent advances in multiple immunolabeling and multispectral imaging have enabled simultaneous analysis of more than three markers within a single formalin-fixed paraffin-embedded tissue section, with accurate cell discrimination and spatial information...
November 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29141817/lymphocytes-in-the-treatment-with-interferon-beta-1-b
#20
Zbyšek Pavelek, Oldřich Vyšata, Blanka Klímová, Ctirad Andrýs, Doris Vokurková, Martin Vališ
BACKGROUND: Multiple sclerosis (MS) is a chronic inflammatory demyelinating and neurodegenerative disease affecting the central nervous system. One of the basic medications for the treatment of a clinically isolated syndrome (CIS) or relapsing-remitting MS is interferon beta (INFβ). Although the exact mechanism of its effects is unknown, the medication has an anti-inflammatory and immunomodulatory effect. The goal of this study was to determine the characters which are affected in patients treated with INFβ...
November 2017: Multiple Sclerosis and related Disorders
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