keyword
MENU ▼
Read by QxMD icon Read
search

Tregs OR regulatory T cells

keyword
https://www.readbyqxmd.com/read/28214899/therapeutic-targeting-of-epithelial-plasticity-programs-focus-on-the-epithelial-mesenchymal-transition
#1
Reem Malek, Hailun Wang, Kekoa Taparra, Phuoc T Tran
Mounting data points to epithelial plasticity programs such as the epithelial-mesenchymal transition (EMT) as clinically relevant therapeutic targets for the treatment of malignant tumors. In addition to the widely realized role of EMT in increasing cancer cell invasiveness during cancer metastasis, the EMT has also been implicated in allowing cancer cells to avoid tumor suppressor pathways during early tumorigenesis. In addition, data linking EMT to innate and acquired treatment resistance further points towards the desire to develop pharmacological therapies to target epithelial plasticity in cancer...
2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28214610/virosome-bound-antigen-enhances-dc-dependent-specific-cd4-t-cell-stimulation-inducing-a-th1-and-treg-profile-in-vitro
#2
Rebecca A M Blom, Mario Amacker, Christian Moser, R Maarten van Dijk, Raffaela Bonetti, Emilie Seydoux, Sean R R Hall, Christophe von Garnier, Fabian Blank
There is considerable interest to develop antigen-carriers for immune-modulatory clinical applications, but insufficient information is available on their effects on antigen-presenting cells. We employed virosomes coupled to ovalbumin (OVA) to study their interaction with murine bone marrow-derived dendritic cells (BMDCs) and modulation of downstream T cell responses. BMDCs were treated in vitro with virosomes or liposomes prior to determining BMDC phenotype, viability, and intra-cellular trafficking. Antigen-specific CD4(+) T cell activation was measured by co-culture of BMDCs with DO11...
February 15, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28214198/tumor-derived-cd4-cd25-regulatory-t-cells-inhibit-dendritic-cells-function-by-ctla-4
#3
Xin Chen, Yong Du, Qingqing Hu, ZhiMing Huang
PURPOSE: CD4+CD25+regulatoryT cells (Tregs) play an important role in anti-tumor immune responses. Poor prognosis and declining survival rates have intimate connection with high Treg expression in cancer patients. Cytotoxic T Lymphocyte-associated protein (CTLA-4) is one of the most prominent molecules on Treg. In our previous research, we have demonstrated that HCC-derived Tregs can interfere with Dendritic cells (DCs) function and down-modulate CD80/CD86 on DCs in vitro in a cell-contact dependent way...
December 21, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28213589/sh479-a-betulinic-acid-derivative-ameliorates-experimental-autoimmune-encephalomyelitis-by-regulating-the-th17-treg-balance
#4
Jing Li, Ji Jing, Yang Bai, Zhen Li, Roumei Xing, Binhe Tan, Xueyun Ma, Wenwei Qiu, Changsheng Du, Bing Du, Fan Yang, Jie Tang, Stefan Siwko, Mingyao Liu, Huaqing Chen, Jian Luo
CD4+ T helper cells, especially Th17 cells, combined with immune regulatory network dysfunction, play key roles in autoimmune diseases including multiple sclerosis (MS). Betulinic acid (BA), a natural pentacyclic triterpenoid, has been reported to be involved in anti-inflammation, in particular having an inhibitory effect on pro-inflammatory cytokine IL-17 and IFN-γ production. In this study, we screened BA derivatives and found a BA derivative, SH479, which had a greater inhibitory effect on Th17 differentiation...
February 17, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28213379/slowed-decay-of-mrnas-enhances-platelet-specific-translation
#5
Eric W Mills, Rachel Green, Nicholas T Ingolia
Platelets are anucleate cytoplasmic fragments that lack genomic DNA, but continue to synthesize protein using a pool of mRNAs, ribosomes, and regulatory small RNAs inherited from the precursor megakaryocyte (MK). The regulatory processes that shape the platelet transcriptome and the full scope of platelet translation have remained elusive. Using RNA-Seq and ribosome profiling of primary human platelets, we show the platelet transcriptome encompasses a subset of transcripts detected by RNA-Seq analysis of in vitro derived MK cells and these platelet-enriched transcripts are broadly occupied by ribosomes...
February 17, 2017: Blood
https://www.readbyqxmd.com/read/28213366/tumor-infiltrating-and-peripheral-blood-t-cell-immunophenotypes-predict-early-relapse-in-localized-clear-cell-renal-cell-carcinoma
#6
Nicolas A Giraldo, Etienne Becht, Yann Vano, Florent Petitprez, Laetitia Lacroix, Pierre Validire, Rafael Sanchez-Salas, Alexandre Ingels, Stephane Marie Oudard, Audrey Moatti, Bénédicte Buttard, Sarah Bourras, Claire Germain, Xavier Cathelineau, Wolf-Herman Fridman, Catherine Sautes-Fridman
PURPOSE: The efficacy of PD-1 Checkpoint Blockade (ChB) as adjuvant therapy in localized clear cell Renal Cell Carcinoma (ccRCC) is currently unknown. The identification of tumor microenvironment (TME) prognostic biomarkers in this setting may help to define which patients could benefit from ChB and to uncover new therapeutic targets. EXPERIMENTAL DESIGN: We performed multiparametric flow cytometry immunophenotypic analysis of T cells isolated from tumor tissue (TIL), adjacent non-malignant renal tissue (RIL) and peripheral blood (PBL), in a cohort of patients (n=40) with localized ccRCC...
February 17, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28213131/nerp-2-regulates-gastric-acid-secretion-and-gastric-emptying-via-the-orexin-pathway
#7
Cherl Namkoong, Koji Toshinai, T M Zaved Waise, Hideyuki Sakoda, Kazuki Sasaki, Yoichi Ueta, Min-Seon Kim, Naoto Minamino, Masamitsu Nakazato
Neuroendocrine regulatory peptide (NERP)-2 is derived from a distinct region of VGF, a neurosecretory protein originally identified as a product of a nerve growth factor-responsive gene in rat PC12 cells. Colocalization of NERP-2 with orexin-A in the lateral hypothalamus increases orexin-A-induced feeding and energy expenditure in both rats and mice. Orexigenic and anorectic peptides in the hypothalamus modulate gastric function. In this study, we investigated the effect of NERP-2 on gastric function in rats...
February 14, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28212788/immunology-of-alveolar-and%C3%A2-cystic-echinococcosis-ae-and-ce
#8
B Gottstein, P Soboslay, E Ortona, J Wang, A Siracusano, D Α Vuitton
Cystic and alveolar echinococcosis are severe chronic helminthic diseases caused by the cystic growth or the intrahepatic tumour-like growth of the metacestode of Echinococcus granulosus or Echinococcus multilocularis, respectively. Both parasites have evolved sophisticated strategies to escape host immune responses, mainly by manipulating and directing this immune response towards anergy and/or tolerance. Recent research studies have revealed a number of respective immunoregulatory mechanisms related to macrophages and dendritic cell as well as T cell activities (regulatory T cells, Tregs)...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28212670/characterization-of-schistosoma-japonicum-cp1412-protein-as-a-novel-member-of-the-ribonuclease-t2-molecule-family-with-immune-regulatory-function
#9
Xue-Dan Ke, Shuang Shen, Li-Jun Song, Chuan-Xin Yu, Mihoko Kikuchi, Kenji Hirayama, Hong Gao, Jie Wang, Xuren Yin, Yuan Yao, Qian Liu, Wei Zhou
BACKGROUND: Schistosome infection typically induces a polarized Th2 type host immune response. As egg antigen molecules play key roles in this immunoregulatory process, clarifying their functions in schistosomiasis would facilitate the development of vaccine and immunotherapeutic methods. Schistosoma japonicum (Sj) CP1412 (GenBank: AY57074.1) has been identified as a new member of the RNase T2 family with immune regulatory functions. METHODS: The expression plasmid Sj CP1412-pET28a was constructed and transformed into bacteria for production of recombinant Sj CP1412 protein (rSj CP1412) via IPTG induction...
February 17, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28212583/role-of-topk-in-lipopolysaccharide-induced-breast-cancer-cell-migration-and-invasion
#10
Min-Ah Seol, Jung-Hwan Park, Ji Heun Jeong, Jungmook Lyu, Seung Yun Han, Sang-Muk Oh
Inflammation has been known to be linked to invasion or metastasis of breast cancer, which has poor prognosis, although the regulatory mechanism remains to be undiscovered. Here we show that T-LAK cell-originated protein kinase (TOPK) mediates pro-inflammatory endotoxin lipopolysaccharide (LPS)-induced breast cancer cell migration and invasion. The mRNA or protein level of TOPK, toll- like receptor4 (TLR4), interleukin (IL)-6, vascular endothelial growth factor (VEGF) or matrix metalloproteinase9 (MMP9) genes related to TLR4 signaling or tumor progression was induced by LPS treatment in MCF7 breast cancer cells, but the induction was abolished by stable knocking down of TOPK in MCF7 cells...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212561/the-tlr7-agonist-imiquimod-induces-anti-cancer-effects-via-autophagic-cell-death-and-enhances-anti-tumoral-and-systemic-immunity-during-radiotherapy-for-melanoma
#11
Jeong Hyun Cho, Hyo-Ji Lee, Hyun-Jeong Ko, Byung-Il Yoon, Jongseon Choe, Keun-Cheol Kim, Tae-Wook Hahn, Jeong A Han, Sun Shim Choi, Young Mee Jung, Kee-Ho Lee, Yun-Sil Lee, Yu-Jin Jung
Toll-like receptor (TLR) ligands are strongly considered immune-adjuvants for cancer immunotherapy and have been shown to exert direct anti-cancer effects. This study was performed to evaluate the synergistic anti-cancer and anti-metastatic effects of the TLR7 agonist imiquimod (IMQ) during radiotherapy for melanoma. The pretreatment of B16F10 or B16F1 cells with IMQ combined with γ-ionizing radiation (IR) led to enhanced cell death via autophagy, as demonstrated by increased expression levels of autophagy-related genes, and an increased number of autophagosomes in both cell lines...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28211903/activating-killer-immunoglobulin-receptors-and-hla-c-a-successful-combination-providing-hiv-1-control
#12
Mauro S Malnati, Elisabetta Ugolotti, Maria Cristina Monti, Davide De Battista, Irene Vanni, Domenico Bordo, Francesca Sironi, Patrizia Larghero, Eddi Di Marco, Priscilla Biswas, Guido Poli, Elisa Vicenzi, Agostino Riva, Maciej Tarkowski, Giuseppe Tambussi, Silvia Nozza, Gino Tripodi, Francesco Marras, Andrea De Maria, Angela Pistorio, Roberto Biassoni
Several studies demonstrated a relevant role of polymorphisms located within the HLA-B and -C loci and the Killer Immunoglobulin Receptors (KIRs) 3DL1 and 3DS1 in controlling HIV-1 replication. KIRs are regulatory receptors expressed at the surface of NK and CD8+ T-cells that specifically bind HLA-A and -B alleles belonging to the Bw4 supratype and all the -C alleles expressing the C1 or C2 supratype. We here disclose a novel signature associated with the Elite Controller but not with the long-term nonprogressor status concerning 2DS activating KIRs and HLA-C2 alleles insensitive to miRNA148a regulation...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211345/regulatory-t-and-b-cells-in-asthmatic-women-variations-from-pregnancy-to-postpartum
#13
C Martins, J Lima, G Nunes, L M Borrego
BACKGROUND AND OBJECTIVE: Allergic asthma and rhinitis are common in pregnancy. The immune mechanisms underlying the effects of asthma on pregnancy and vice versa are not completely understood. The aim of this study was to investigate changes in regulatory T and B cells in asthmatic women from late pregnancy to postpartum. METHODS: Four groups of women were enrolled for this study: asthmatic (n=23) and healthy (n=43) third trimester-pregnant women and asthmatic (n=33) and healthy (n=35) nonpregnant women...
2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28211077/severe-bullous-pemphigoid-associated-with-pembrolizumab-therapy-for-metastatic-melanoma-with-complete-regression
#14
O Rofe, G Bar-Sela, Z Keidar, T Sezin, C D Sadik, R Bergman
Bullous pemphigoid (BP) is considered to be a humorally mediated autoimmune disease, but autoreactive T-cells and T-regulatory cells (Tregs) have also been implicated in this disease. Tregs and the programmed death-1 (PD-1) : programmed death ligand (PD-L) pathway are both critical in terminating immune response, and elimination of either can result in breakdown of tolerance and development of autoimmunity. We report a patient with metastatic malignant melanoma (MM), who underwent pembrolizumab (anti-PD-1) therapy following unsuccessful treatment with ipilimumab [anti-cytotoxic T-lymphocyte-associated protein (CTLA)-4]...
February 16, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28210072/the-parenteral-vitamin-c-improves-sepsis-and-sepsis-induced-multiple-organ-dysfunction-syndrome-via-preventing-cellular-immunosuppression
#15
Yu-Lei Gao, Bin Lu, Jian-Hua Zhai, Yan-Cun Liu, Hai-Xia Qi, Ying Yao, Yan-Fen Chai, Song-Tao Shou
Cellular immunosuppression appears to be involved in sepsis and sepsis-induced multiple organ dysfunction syndrome (MODS). Recent evidence showed that parenteral vitamin C (Vit C) had the ability to attenuate sepsis and sepsis-induced MODS. Herein, we investigated the impact of parenteral Vit C on cellular immunosuppression and the therapeutic value in sepsis. Using cecal ligation and puncture (CLP), sepsis was induced in WT and Gulo(-/-) mice followed with 200 mg/Kg parenteral Vit C administration. The immunologic functions of CD4(+)CD25(+) regulatory T cells (Tregs) and CD4(+)CD25(-) T cells, as well as the organ functions, were determined...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28208221/increased-fas-ligand-expression-of-peripheral-b-1-cells-correlated-with-cd4-t-cell-apoptosis-in-filarial-infected-patients
#16
Rashmi Mishra, Santosh K Panda, Prakash K Sahoo, Bal, A K Satapathy
Cellular hypo responsiveness observed during helminth infections are attributed to factors like Antigen presenting cells (APC) dysfunction, increased Interleukin-10(IL-10), regulatory T cells and induction of CD4(+) T (Th) cell apoptosis.. Increased Fas ligand (FasL) expression on the surface of B-1 cells and induction of apoptosis of Th cells by FasL expressing B-1 cells due to helminth infection was demonstrated in murine model of helminth infection where as profile of FasL expression, Th cell apoptosis and correlation between these two populations of cells in clinical filariasis remain unknown...
February 16, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28208209/the-emergence-of-tnik-inhibitors-in-cancer-therapeutics
#17
REVIEW
Tesshi Yamada, Mari Masuda
The outcome of patients with metastatic colorectal cancer remains unsatisfactory. To improve patient prognosis, it will be necessary to identify new drug targets based on molecules that are essential for colorectal carcinogenesis, and to develop therapeutics that target such molecules. The great majority of colorectal cancers (>90%) have mutations in at least one Wnt signaling pathway gene. Aberrant activation of Wnt signaling is a major force driving colorectal carcinogenesis. Several therapeutics targeting Wnt pathway molecules, including porcupine, frizzled receptors, and tankyrases, have been developed, but none of them have yet been incorporated into clinical practice...
February 16, 2017: Cancer Science
https://www.readbyqxmd.com/read/28207945/cd4-cd25-garp-tregs-display-a-compromised-suppressive-function-in-patients-with-dilated-cardiomyopathy
#18
Yuzhen Wei, Kunwu Yu, Hui Wei, Xin Su, Ruirui Zhu, Huairui Shi, Haitao Sun, Quan Luo, Wenbin Xu, Junhui Xiao, Yucheng Zhong, Qiutang Zeng
Dilated cardiomyopathy (DCM) is a lethal inflammatory heart disease and closely connected with dysfunction of the immune system. Glycoprotein -A repetitions predominant (GARP) expressed on activated CD4(+) T cells with suppressive activity has been established. This study aimed to investigate the frequency and function of circulating CD4(+) CD25(+) GARP(+) regulatory T cells (Tregs) in DCM. 45 DCM patients and 46 controls were enrolled in this study. There was a significant increase in peripheral Th1 and Th17 number and their related cytokines (IFN-γ, IL-17), and an obvious decrease in Treg number, TGF-β1 levels and the expression of FOXP3 and GARP in patients with DCM as compared with controls...
February 16, 2017: Immunology
https://www.readbyqxmd.com/read/28207428/il-37-ameliorates-coxsackievirus-b3-induced-viral-myocarditis-by-modulating-the-th17-treg-immune-response
#19
Bang An, Xuefei Liu, Ge Li, Haitao Yuan
Myocarditis is a heterogeneous group of disorders defined by inflammation of the heart muscle with an excessively activated immune response. Numerous interventions have been investigated for the treatment of myocarditis while success is limited. Interleukin-37 (IL-37), a novel member of the IL-1 cytokine family, is a natural inhibitor of innate immunity associated with autoimmune diseases. However, the modulatory effect of IL-37 in myocarditis is unknown. In this study, we investigated the immunological regulation of IL-37 in the coxsackievirus B3-induced model of murine viral myocarditis...
February 14, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28205558/plant-based-vaccines-for-oral-delivery-of-type-1-diabetes-related-autoantigens-evaluating-oral-tolerance-mechanisms-and-disease-prevention-in-nod-mice
#20
Amanda L Posgai, Clive H Wasserfall, Kwang-Chul Kwon, Henry Daniell, Desmond A Schatz, Mark A Atkinson
Autoantigen-specific immunological tolerance represents a central objective for prevention of type 1 diabetes (T1D). Previous studies demonstrated mucosal antigen administration results in expansion of Foxp3(+) and LAP(+) regulatory T cells (Tregs), suggesting oral delivery of self-antigens might represent an effective means for modulating autoimmune disease. Early preclinical experiments using the non-obese diabetic (NOD) mouse model reported mucosal administration of T1D-related autoantigens [proinsulin or glutamic acid decarboxylase 65 (GAD)] delayed T1D onset, but published data are conflicting regarding dose, treatment duration, requirement for combinatorial agents, and extent of efficacy...
February 13, 2017: Scientific Reports
keyword
keyword
86543
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"