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Foxp3 gene

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https://www.readbyqxmd.com/read/28913556/high-dose-vitamin-d3-supplementation-decreases-the-number-of-colonic-cd103-dendritic-cells-in-healthy-subjects
#1
Nina Friis Bak, M Bendix, S Hald, L Reinert, M K Magnusson, J Agnholt
PURPOSE: Vitamin D may induce tolerance in the intestinal immune system and has been shown to regulate the phenotype of tolerogenic intestinal dendritic cells (DCs) in vitro. It is unknown whether vitamin D supplementation affects human intestinal DCs in vivo, and we aimed to investigate the tolerability and effect on intestinal CD103(+)DCs of high-dose vitamin D3 treatment in healthy subjects. METHODS: Ten healthy subjects received a total of 480,000 IU oral vitamin D3 over 15 days and colonic biopsies were obtained before and after intervention by endoscopy...
September 14, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28903735/foxp3-is-a-hcc-suppressor-gene-and-acts-through-regulating-the-tgf-%C3%AE-smad2-3-signaling-pathway
#2
Jie-Yi Shi, Li-Jie Ma, Ji-Wei Zhang, Meng Duan, Zhen-Bin Ding, Liu-Xiao Yang, Ya Cao, Jian Zhou, Jia Fan, Xiaoming Zhang, Ying-Jun Zhao, Xiao-Ying Wang, Qiang Gao
BACKGROUND: FOXP3 has been discovered to be expressed in tumor cells and participate in the regulation of tumor behavior. Herein, we investigated the clinical relevance and biological significance of FOXP3 expression in human hepatocellular carcinoma (HCC). METHODS: Expression profile of FOXP3 was analyzed using real-time RT-PCR, western blotting and immunofluorescence on HCC cell lines, and immunostaing of a tissue microarray containing of 240 primary HCC samples...
September 13, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28901888/effects-of-oral-lactobacillus-administration-on-antioxidant-activities-and-cd4-cd25-forkhead-box-p3-foxp3-t-cells-in-nzb-w-f1-mice
#3
Bor-Show Tzang, Chung-Hsien Liu, Kuo-Ching Hsu, Yi-Hsing Chen, Chih-Yang Huang, Tsai-Ching Hsu
Systemic lupus erythematosus (SLE) is an autoimmune disease that is characterised by a dysregulation of the immune system, which causes inflammation responses, excessive oxidative stress and a reduction in the number of cluster of differentiation (CD)4+CD25+forkhead box P3 (FoxP3)+ T cells. Supplementation with certain Lactobacillus strains has been suggested to be beneficial in the comprehensive treatment of SLE. However, little is known about the effect and mechanism of certain Lactobacillus strains on SLE...
September 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28901186/recipient-adipose-derived-stem-cells-enhance-recipient-cell-engraftment-and-prolong-allotransplant-survival-in-a-miniature-swine-hind-limb-model
#4
Yur-Ren Kuo, Chien-Chang Chen, Yen-Chou Chen, Ching-Ming Chien
Donor mesenchymal stem cells (MSCs) could prolong vascularized composite allotransplantation (VCA) survival in our previous studies. However, recipient adipose tissue is easier to harvest than donor tissue for preconditioning modulation. Hence, this study investigated the efficacy of recipient autologous adipose-derived stem cells (rADSCs) for VCA survival. The heterotopic hind-limb transplantation from female donor to male recipient was performed in outbred miniature swine. Group I ( n = 6) was untreated controls...
August 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28892752/graphene-quantum-dots-suppress-proinflammatory-t-cell-responses-via-autophagy-dependent-induction-of-tolerogenic-dendritic-cells
#5
Sergej Tomić, Kristina Janjetović, Dušan Mihajlović, Marina Milenković, Tamara Kravić-Stevović, Zoran Marković, Biljana Todorović-Marković, Zdenko Spitalsky, Matej Micusik, Dragana Vučević, Miodrag Čolić, Vladimir Trajković
Graphene quantum dots (GQD) are atom-thick nanodimensional carbon sheets with excellent physico-chemical and biological properties, making them attractive for application in theranostics. However, their immunoregulatory properties are insufficiently investigated, especially in human primary immune cells. We found that non-toxic doses of GQD inhibit the production of proinflammatory and T helper (Th)1 cytokines, and augment the production of anti-inflammatory and Th2 cytokines by human peripheral blood mononuclear cells...
August 29, 2017: Biomaterials
https://www.readbyqxmd.com/read/28887914/curcumin-attenuates-the-scurfy-induced-immune-disorder-a-model-of-ipex-syndrome-with-inhibiting-th1-th2-th17-responses-in-mice
#6
Gihyun Lee, Hwan-Suck Chung, Kyeseok Lee, Hyeonhoon Lee, Minhwan Kim, Hyunsu Bae
BACKGROUND: Immunodysregulation polyendocrinopathy enteropathy X-linked syndrome (IPEX) is a lethal autoimmune disease caused by mutations in the Foxp3 gene scurfin (scurfy). Immunosuppressive therapy for IPEX patients has been generally ineffective and has caused severe side effects, however curcumin has shown immune regulation properties for inflammatory diseases, such as rheumatoid arthritis, psoriasis, and inflammatory bowel diseases without side effects. OBJECTIVE: The aim of this study was to investigate whether curcumin would attenuate symptoms of IPEX in mouse model and would prolong its survival period...
September 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28880903/functional-differences-between-pd-1-and-pd-1-cd4-effector-t-cells-in-healthy-donors-and-patients-with-glioblastoma-multiforme
#7
Brittany A Goods, Amanda L Hernandez, Daniel E Lowther, Liliana E Lucca, Benjamin A Lerner, Murat Gunel, Khadir Raddassi, Vlad Coric, David A Hafler, J Christopher Love
Immune checkpoint inhibitors targeting programmed cell death protein 1 (PD-1) have been highly successful in the treatment of cancer. While PD-1 expression has been widely investigated, its role in CD4+ effector T cells in the setting of health and cancer remains unclear, particularly in the setting of glioblastoma multiforme (GBM), the most aggressive and common form of brain cancer. We examined the functional and molecular features of PD-1+CD4+CD25-CD127+Foxp3-effector cells in healthy subjects and in patients with GBM...
2017: PloS One
https://www.readbyqxmd.com/read/28879170/helicobacter-pylori-caga-is-associated-with-milder-duodenal-histological-changes-in-chilean-celiac-patients
#8
Yalda Lucero, Amaya Oyarzún, Miguel O'Ryan, Rodrigo Quera, Nelly Espinosa, Romina Valenzuela, Daniela Simian, Elisa Alcalde, Claudio Arce, Mauricio J Farfán, Alejandra F Vergara, Iván Gajardo, Jocelyn Mendez, Jorge Carrasco, Germán Errázuriz, Mónica Gonzalez, Juan C Ossa, Eduardo Maiza, Francisco Perez-Bravo, Magdalena Castro, Magdalena Araya
HIGHLIGHTS What is already known about this subject?Celiac disease (CD) has a high clinical and histological diversity and the mechanisms underlying this phenomenon remain elusive.H. pylori is a bacterium that chronically infect gastric and duodenal mucosa activating both a Th1/Th17 and T-reg pathways.The role of H. pylori (and the effect of their virulence factors) in CD have not yet completely elucidated.What are the new findings?cagA+ H. pylori strains are associated to milder histological damage in infected CD patients...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28878772/lactobacillus-plantarum-strains-can-enhance-human-mucosal-and-systemic-immunity-and-prevent-non-steroidal-anti-inflammatory-drug-induced-reduction-in-t-regulatory-cells
#9
Paul de Vos, Zlatan Mujagic, Bart J de Haan, Roland J Siezen, Peter A Bron, Marjolein Meijerink, Jerry M Wells, Ad A M Masclee, Mark V Boekschoten, Marijke M Faas, Freddy J Troost
Orally ingested bacteria interact with intestinal mucosa and may impact immunity. However, insights in mechanisms involved are limited. In this randomized placebo-controlled cross-over trial, healthy human subjects were given Lactobacillus plantarum supplementation (strain TIFN101, CIP104448, or WCFS1) or placebo for 7 days. To determine whether L. plantarum can enhance immune response, we compared the effects of three stains on systemic and gut mucosal immunity, by among others assessing memory responses against tetanus toxoid (TT)-antigen, and mucosal gene transcription, in human volunteers during induction of mild immune stressor in the intestine, by giving a commonly used enteropathic drug, indomethacin [non-steroidal anti-inflammatory drug (NSAID)]...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28869950/interleukin-10-gene-modified-dendritic-cell-induced-type-1-regulatory-t-cells-induce-transplant-tolerance-and-impede-graft-versus-host-disease-after-allogeneic-stem-cell-transplantation
#10
Jiangbo Wan, Fang Huang, Siguo Hao, Weiwei Hu, Chuanxu Liu, Wenhao Zhang, Xiaohui Deng, Linjun Chen, Liyuan Ma, Rong Tao
BACKGROUND/AIMS: Tr1 cells can induce peripheral tolerance to self- and foreign antigens, and have been developed as a therapeutic tool for the induction of tolerance to transplanted tissue. We explored the feasibility of generating Tr1 cells by using IL-10 gene-modified recipient DCs (DCLV-IL-10) to stimulate donor naive CD4+ T cells. We also investigated some biological properties of Tr1 cells. METHODS: DCLV-IL-10 were generated through DCs transduced with a lentivirus vector carrying the IL-10 gene, and Tr1 cells were produced by using DCLV-IL-10 to stimulate naive CD4+ T cells...
August 31, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28868572/upregulation-of-treg-related-genes-in-addition-with-il6-showed-the-significant-role-for-the-distant-metastasis-in-colorectal-cancer
#11
L D Miteva, N S Stanilov, G М Cirovski, Spaska Angelova Stanilova
T helper 17 (Th17) and T regulatory (Treg) cytokines appear to be contributing greatly to colorectal cancer (CRC) development and progression. The aim of the current study was to investigate the expression of Foxp3; IL10; TGFB1; IL17A; IL6 and NOS2 genes in tumor tissue, regional positive lymph nodes and distant metastasis obtained from 26 patients with advanced CRC. Quantitative real-time polymerase chain reaction (qPCR) was performed for mRNA detection by TaqMan gene expression assay. In distant metastasis, IL6 was strongly expressed, over 7...
September 3, 2017: Cancer Microenvironment: Official Journal of the International Cancer Microenvironment Society
https://www.readbyqxmd.com/read/28865156/gene-disease-associations-identify-a-connectome-with-shared-molecular-pathways-in-human-cholangiopathies
#12
Zhenhua Luo, Anil G Jegga, Jorge A Bezerra
Cholangiopathies are a diverse group of progressive diseases whose primary cell targets are cholangiocytes. To identify shared pathogenesis and molecular connectivity among the three main human cholangiopathies (biliary atresia [BA], primary biliary cholangitis [PBC] and primary sclerosing cholangitis [PSC]), we built a comprehensive platform of published data on gene variants, gene expression and functional studies, and applied network-based analytics in search for shared molecular circuits. Mining the data platform with largest connected component and interactome analyses, we validated previously reported associations and identified essential- and hub-genes...
September 2, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28857182/altered-mir-193a-5p-expression-in-children-with-cow-s-milk-allergy
#13
Valeria D'Argenio, Valentina Del Monaco, Lorella Paparo, Fatima Domenica Elisa De Palma, Rita Nocerino, Francesca D'Alessio, Feliciano Visconte, Valentina Discepolo, Luigi Del Vecchio, Francesco Salvatore, Roberto Berni Canani
BACKGROUND: Cow's milk allergy (CMA) is one of the most common food allergies in children. Epigenetic mechanisms have been suggested to play a role in CMA pathogenesis. We shown that DNA methylation of Th1/Th2 cytokine genes and FoxP3 affects CMA disease course. Preliminary evidence suggest that also the miRNome could be implicated in the pathogenesis of allergy. Main study outcome was to comparatively evaluate miRNome in children with CMA and in healthy controls. METHODS: Peripheral blood mononuclear cells were obtained from children aged 4-18 months: 10 CMA patients, 9 CMA patients who outgrew CMA, and 11 healthy controls...
August 30, 2017: Allergy
https://www.readbyqxmd.com/read/28833278/whole-genome-sequencing-identifies-etiology-of-recurrent-male-intrauterine-fetal-death
#14
Omar Shehab, David J Tester, Nicholas C Ackerman, F Susan Cowchock, Michael J Ackerman
OBJECTIVE: To identify the underlying genetic cause for recurrent intrauterine fetal death (IUFD) of males. METHODS: Whole genome sequencing (WGS) was performed on DNA from 5 healthy obligatory carrier females and an unaffected male offspring of a multigenerational pedigree with recurrent second trimester IUFD of males (n=19). When documented, all deaths occurred at ≤ 20 weeks gestation. Hydrops fetalis was diagnosed at death in the most recent case. RESULTS: Following variant filtering based on a recessive X-linked inheritance pattern, a rare FOXP3 frame-shift mutation (p...
August 18, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28833046/ahr-activation-increases-il-2-production-by-alloresponding-cd4-t-cells-initiating-the-differentiation-of-mucosal-homing-tim3-lag3-tr1-cells
#15
Allison K Ehrlich, Jamie M Pennington, Susan Tilton, Xisheng Wang, Nikki B Marshall, Diana Rohlman, Castle Funatake, Sumit Punj, Edmond O'Donnell, Zhen Yu, Siva K Kolluri, Nancy I Kerkvliet
Activation of the aryl hydrocarbon receptor (AhR) by immunosuppressive ligands promotes the development of regulatory T (Treg) cells. Although AhR-induced Foxp3(+) Treg cells have been well studied, much less is known about the development and fate of AhR-induced Type 1 Treg (AhR-Tr1) cells. In the current study, we identified the unique transcriptional and functional changes in murine CD4(+) T cells that accompany the differentiation of AhR-Tr1 cells during the CD4(+) T-cell-dependent phase of an allospecific cytotoxic T lymphocyte (allo-CTL) response...
August 23, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28827803/host-regulation-of-liver-fibroproliferative-pathology-during-experimental-schistosomiasis-via-interleukin-4-receptor-alpha
#16
Justin Komguep Nono, Hlumani Ndlovu, Nada Abdel Aziz, Thabo Mpotje, Lerato Hlaka, Frank Brombacher
Interleukin-4 receptor (IL-4Rα) is critical for the initiation of type-2 immune responses and implicated in the pathogenesis of experimental schistosomiasis. IL-4Rα mediated type-2 responses are critical for the control of pathology during acute schistosomiasis. However, type-2 responses tightly associate with fibrogranulomatous inflammation that drives host pathology during chronic schistosomiasis. To address such controversy on the role of IL-4Rα, we generated a novel inducible IL-4Rα-deficient mouse model that allows for temporal knockdown of il-4rα gene after oral administration of Tamoxifen...
August 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28826231/gene-therapy-with-an-aav-vector-expressing-human-il-2-alters-immune-system-homeostasis-in-humanized-mice
#17
Philip Durost, Ken-Edwin Aryee, Fatima Manzoor, Roland Tisch, Christian Mueller, Agata Jurczyk, Leonard Shultz, Michael Brehm
Recombinant adeno associated viruses (rAAV) serve as vectors for in vivo gene delivery in both mice and humans, and have broad applicability for the treatment of genetic diseases. Clinical trials with AAV vectors have demonstrated promise and safety in several human diseases. However, the in vivo validation of novel AAV constructs expressing products that act specifically on human cells and tissues is limited by a paucity of effective translatable models. Humanized mice that are engrafted with human cells, tissues, and immune systems offer strong potential to test the biological effectiveness of AAV vectors on human cells and tissues...
August 21, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28825599/treg-depletion-potentiates-checkpoint-inhibition-in-claudin-low-breast-cancer
#18
Nicholas A Taylor, Sarah C Vick, Michael D Iglesia, W June Brickey, Bentley R Midkiff, Karen P McKinnon, Shannon Reisdorf, Carey K Anders, Lisa A Carey, Joel S Parker, Charles M Perou, Benjamin G Vincent, Jonathan S Serody
Claudin-low breast cancer is an aggressive subtype that confers poor prognosis and is found largely within the clinical triple-negative group of breast cancer patients. Here, we have shown that intrinsic and immune cell gene signatures distinguish the claudin-low subtype clinically as well as in mouse models of other breast cancer subtypes. Despite adaptive immune cell infiltration in claudin-low tumors, treatment with immune checkpoint inhibitory antibodies against cytotoxic T lymphocyte-associated protein 4 (CTLA-4) and programmed death receptor 1 (PD-1) were ineffective in controlling tumor growth...
August 21, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28822915/immunomodulatory-effects-of-m2000-%C3%AE-d-mannuronic-acid-on-tnf-%C3%AE-il-17-and-foxp3-gene-expression-in-patients-with-inflammatory-bowel-disease
#19
Hussaini Alhassan Mohammed, Ali Akbar Saboor-Yaraghi, Homayoun Vahedi, Mir Saeed Yekaninejad, Ghodratollah Panahi, Gholamreza Hemmasi, Mostafa Lakzaei, Abbas Mirshafiey
INTRODUCTION: Inflammatory bowel diseases (IBD) are immune-mediated disorders that result from an aberrant immunological response to the gut luminal antigen in genetically susceptible patients. IBD is categorized into two serotype, Crohn's diseases (CD) and ulcerative colitis (UC), both subtype are important cause of gastrointestinal diseases. The increasing rate of hospitalization, with the high economic burden experienced by the IBD patients, calls for more concerted research efforts to design a potent and affordable treatment option for the treatment of IBD...
August 17, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28818640/the-influence-of-physical-activity-in-the-anti-tumor-immune-response-in-experimental-breast-tumor
#20
Thiago M Bianco, Douglas R Abdalla, Chamberttan S Desidério, Sofie Thys, Cindy Simoens, John-Paul Bogers, Eddie F C Murta, Márcia A Michelin
This study aimed to investigate the influence of physical activity in innate immunity to conduce to an effective antitumoral immune response analyzing the phenotype and activation status of infiltrating cells. We analysed the intracellular cytokines and the transcription factors of tumor infiltrating lymphocytes (TILS) and spleen leukocytes. The Nos2 gene expression was evaluated in spleen cells and futhermore the ROS production was measured and spleen cells; another cell evaluated was dendritic cells (TIDCs), their cytokines expression and membrane molecules; finally to understood the results obtained, we analysed the dendritic cells obtained from bone marrow...
August 14, 2017: Immunology Letters
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