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860646

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Seung-Ha Yang et al.
Experimental & molecular medicine, 41(5), 315-324 (2009-03-25)
Mesenchymal stem cells (MSCs) can inhibit T cell proliferation; however, the underlying mechanisms are not clear. In this study, we investigated the mechanisms of the immunoregulatory activity of MSCs on T cells. Irradiated MSCs co-cultured with either na?ve or pre-activated...
Haiping He et al.
International journal of hematology, 102(3), 368-378 (2015-08-01)
Recent studies have reported that mesenchymal stromal cells (MSCs) migrate to areas of inflammation and suppress adverse immune reactions. Bone marrow (BM)-derived MSCs have been successfully used in patients with acute graft versus host disease (GVHD), but the harvesting of...
Konstantinos A Polyzos et al.
Cardiovascular research, 106(2), 295-302 (2015-03-10)
Atherosclerosis is a chronic inflammatory disease that is initiated by the retention and accumulation of low-density lipoprotein in the artery, leading to maladaptive response of cells from the immune system and vessel wall. Strong evidence implicates indoleamine 2,3-dioxygenase (IDO), the...
Ivan Théate et al.
Cancer immunology research, 3(2), 161-172 (2014-10-02)
Tryptophan catabolism by indoleamine 2,3-dioxygenase 1 (IDO1) plays a key role in tumoral resistance to immune rejection. In humans, constitutive expression of IDO1 has been observed in several tumor types. However, a comprehensive analysis of its expression in normal and...
Qi-Xiang Ye et al.
Experimental and therapeutic medicine, 14(3), 1884-1891 (2017-10-01)
Cytotoxic T-lymphocyte-associated protein 4 immunoglobulin (CTLA4Ig) and anti-cluster of differentiation 154 (anti-CD154) are able to block B7/CD28 and CD40/CD154 co-stimulatory signals in T cells. Additionally, they promote hematopoietic stem cell transplantation (HSCT) in sensitized recipients and are able to induce...
Huixi Zou et al.
Journal of natural products, 72(1), 44-52 (2008-12-31)
This study reports that a series of tryptophan derivatives with modifications on the side chain or at the indole ring were accepted by two cyclic dipeptide prenyltransferases, CdpNPT and FtmPT1, and converted to prenylated derivatives. The structures of the enzymatic...
Young Eun Lee et al.
PloS one, 10(12), e0144298-e0144298 (2015-12-05)
Neurodegenerative diseases provoke robust immunological reactions in the central nervous system (CNS), which further deteriorate the neural tissue damage. We hypothesized that the expression levels of indoleamine 2,3-dioxygenase (IDO), an enzyme that has potent immune suppressive activities, in neural stem...
Arum Park et al.
Journal of clinical medicine, 8(6) (2019-06-20)
Natural killer (NK) cells are key players in the immune system. They use receptors on their cell surface to identify target cells. However, to escape being killed by the immune system, cancer cells such as thyroid cancer cells, use various...
Martin Böttcher et al.
Stem cells (Dayton, Ohio), 34(2), 516-521 (2015-10-21)
Mesenchymal stromal cells (MSCs) possess numerous regenerative and immune modulating functions. Transplantation across histocompatibility barriers is feasible due to their hypo-immunogenicity. MSCs have emerged as promising tools for treating graft-versus-host disease following allogeneic stem cell transplantation. It is well established...
Dandan Wang et al.
Arthritis & rheumatology (Hoboken, N.J.), 66(8), 2234-2245 (2014-04-24)
Allogeneic mesenchymal stem cells (MSCs) exhibit therapeutic effects in human autoimmune diseases such as systemic lupus erythematosus (SLE), but the underlying mechanisms remain largely unknown. The aim of this study was to investigate how allogeneic MSCs mediate immunosuppression in lupus...
Qiang Huang et al.
European journal of medicinal chemistry, 46(11), 5680-5687 (2011-09-20)
Previously, we have reported the design and synthesis of 4-aryl-1H-1,2,3-triazoles as inhibitors of indoleamine 2,3-dioxygenase (IDO), a promising therapeutic target of cancer. Here, we present the structure-activity relationship and enzyme kinetic studies on a series of 4-aryl-1H-1,2,3-triazoles. Three compounds (1...
Rui Liu et al.
Rheumatology (Oxford, England), 54(2), 332-342 (2014-08-30)
The aim of this study was to investigate the effect of umbilical cord mesenchymal stem cells (UC-MSCs) on circulating T follicular helper (cTfh) cells in primary SS (pSS) patients. The percentage of CXCR5(+)PD-1(+)CD4(+) T cells in peripheral blood mononuclear cells...
Biao Wang et al.
Cell death & disease, 9(10), 1024-1024 (2018-10-05)
This study aimed to investigate the effect of bone marrow-derived mesenchymal stem cells (BMSCs) on disseminated intravascular coagulation (DIC) model rats and to further explore the underlying mechanism. A rat model of lipopolysaccharide (LPS)-induced DIC was successfully established, as indicated...
So-Youn Min et al.
Journal of inflammation (London, England), 12, 53-53 (2015-09-18)
The activity of one of the major catechins in Green Tea, the polyphenol (-)-epigallocatechin-3-gallate (EGCG), has been shown to have a variety of health benefits. Recent studies suggest that EGCG can modulate both the innate and adaptive arms of the...
Chia-Hsuan Donna Hu et al.
Stem cells and development, 28(14), 933-943 (2019-05-28)
Mesenchymal stromal cells (MSCs) modulate immune responses through cell contact-dependent or paracrine mechanisms and are themselves known to have low immunogenicity. Given the increasing use of both natural killer (NK) cells and MSCs in cell-based therapies, we investigated the interaction...
Akira Maeda et al.
Transplant immunology, 33(2), 140-145 (2015-07-26)
Xenotransplantation is considered to be one of the most attractive strategies for overcoming the worldwide shortage of organs. However, many obstructions need to be overcome before it will achieve clinical use in patients. One such obstacle is the development of...
Motivational changes that develop in a mouse model of inflammation-induced depression are independent of indoleamine 2, 3 dioxygenase.
Vichaya, Elisabeth G et al.
Neuropsychopharmacology (2018)
Rui Liu et al.
Scientific reports, 5, 12777-12777 (2015-08-12)
T follicular helper (Tfh) cells provide help for antigen-specific B cells. We have previously shown that Tfh cell frequency was increased and associated with auto-antibodies in patients with rheumatoid arthritis (RA), suggesting a possible involvement of Tfh cells in its...
Gavin Carr et al.
Journal of medicinal chemistry, 51(9), 2634-2637 (2008-04-09)
Synthetic analogues of the sponge natural product exiguamine A (3) have been prepared and evaluated for their ability to inhibit indoleamine 2,3-dioxygenase in vitro.
F Ajamian et al.
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology, 45(3), 644-659 (2015-01-30)
Infants that develop severe bronchiolitis due to respiratory syncytial virus (RSV) are at increased risk of developing asthma later in life. We investigated a potential immunological mechanism for the association between RSV and the development of allergic inflammation. The enzyme...
Maria Letícia Baptista Salvadori et al.
Medical oncology (Northwood, London, England), 32(11), 248-248 (2015-10-08)
Breast cancer is the most common type of cancer among women and the survival of patients affected by it is increasing, mainly due to several new approaches in early diagnosis and more effective treatments. The enzyme indoleamine 2,3-dioxygenase (IDO) is...
Loraine Bischoff et al.
Journal of immunology (Baltimore, Md. : 1950), 194(7), 3054-3064 (2015-03-06)
Autoimmune destruction of insulin-producing β cells in type 1 diabetes and islet transplantation involves a variety of immune pathways but is primarily mediated by self-reactive T cells. Chemokines can modulate local immune responses in inflammation and tumors by recruiting immune...
Neda Milosavljevic et al.
Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society, 23(8), 1040-1050 (2017-05-10)
Mesenchymal stem cells (MSCs) are, due to immunomodulatory characteristics, considered as novel agents in the treatment of immune-mediated acute liver failure. Although it is known that MSCs can regulate activation of T lymphocytes, their capacity to modulate function of neutrophils...
Elizabeth A Miller et al.
AIDS (London, England), 29(11), 1287-1296 (2015-06-20)
Plasma soluble CD40 ligand (sCD40L) is increased during HIV-1 infection, but it is unknown whether it circulates in monomeric or multimeric forms, and whether the circulating forms have differential effects on myeloid dendritic cell function and adaptive regulation. sCD40L forms...
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