Research Topics
Genomes and Genes | Min Li-WeberSummaryAffiliation: German Cancer Research Center Country: Germany Publications
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Detail Information
Publications
T cell activation-induced and HIV tat-enhanced CD95(APO-1/Fas) ligand transcription involves NF-kappaBM Li-Weber
Tumor Immunology Program, German Cancer Research Center DKFZ, Heidelberg, Germany
Eur J Immunol 30:661-70. 2000..Our studies provide evidence that Tat-enhanced CD95L expression is regulated at least in part by the NF-kappaB sites of the promoter...
Rocaglamide derivatives are immunosuppressive phytochemicals that target NF-AT activity in T cellsPeter Proksch
Institute of Pharmaceutical Biology, University of Dusseldorf, Germany
J Immunol 174:7075-84. 2005..Our study suggests that rocaglamide derivatives may serve as a new source of NF-AT-specific inhibitors for the treatment of certain inflammatory diseases...
HTLV-1 Tax protects against CD95-mediated apoptosis by induction of the cellular FLICE-inhibitory protein (c-FLIP)Andreas Krueger
Tumorimmunology Program, German Cancer Research Center, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
Blood 107:3933-9. 2006..In conclusion, our data suggest an important mechanism by which expression of HTLV-1 Tax may lead to immune escape of infected T cells and, thus, to persistent infection and transformation...
Differential interaction of nuclear factors with the PRE-I enhancer element of the human IL-4 promoter in different T cell subsetsM Li-Weber
Tumor Immunology Program, German Cancer Research Center, Heidelberg, Germany
J Immunol 158:1194-200. 1997..In contrast, POS-1 was not found in nuclear extracts of human Th1 clones. These findings suggest that PRE-I may play a role in the differential regulation of IL-4 gene expression levels...
Ultraviolet irradiation suppresses T cell activation via blocking TCR-mediated ERK and NF-kappa B signaling pathwaysMin Li-Weber
Tumorimmunology Program, German Cancer Research Center, Heidelberg, Germany
J Immunol 175:2132-43. 2005..Thus, our data provide an additional mechanism by which UV irradiation directly suppresses immune responses...
NF-kappa B synergizes with NF-AT and NF-IL6 in activation of the IL-4 gene in T cellsMin Li-Weber
Tumor Immunology Program, German Cancer Research Center DKFZ, Heidelberg, Germany
Eur J Immunol 34:1111-8. 2004..Inhibition of NF-kappa B nuclear translocation in living cells blocked binding of NF-kappa B to the IL-4 promoter. The data provide first evidence that NF-kappa B is directly involved in IL-4 transcription...
Function and regulation of the CD95 (APO-1/Fas) ligand in the immune systemMin Li-Weber
Tumor Immunology Program G0300, German Cancer Research Center DKFZ, INF 280, D 69120 Heidelberg, Germany
Semin Immunol 15:145-57. 2003..It should also be evident from this review that a profound insight into the molecular mechanisms of CD95L activation should allow to explore potential therapeutic means to treat CD95/CD95L-dependent diseases...
Regulation of IL4 gene expression by T cells and therapeutic perspectivesMin Li-Weber
Tumour Immunology Programme D030, German Cancer Research Centre DKFZ, Im Neuenheimer Feld 280, D 69120 Heidelberg, Germany
Nat Rev Immunol 3:534-43. 2003..This review focuses on acute activation of the gene encoding IL-4 in T cells and discusses therapeutic perspectives at the transcriptional level...
The anti-inflammatory sesquiterpene lactone parthenolide suppresses IL-4 gene expression in peripheral blood TMin Li-Weber
Tumorimmunology Program, German Cancer Research Center, Heidelberg, Germany
Eur J Immunol 32:3587-97. 2002..So far, drugs directed against IL-4 expression have not been described. This finding raises the potential to develop parthenolide to treat IL-4-mediated allergic-like inflammation...
The anti-inflammatory sesquiterpene lactone parthenolide suppresses CD95-mediated activation-induced-cell-death in T-cellsM Li-Weber
Tumorimmunology Program, German Cancer Research Center DKFZ, D 69120 Heidelberg, Germany
Cell Death Differ 9:1256-65. 2002..Our study indicates that parthenolide supports T-cell survival by down-regulating the CD95 system, at least in part, and, therefore, may have therapeutic potential as a new anti-apoptotic substance against AICD in T-cells...
Vitamin E inhibits IL-4 gene expression in peripheral blood T cellsMin Li-Weber
Tumorimmunology Program, German Cancer Research Center, Heidelberg, Germany
Eur J Immunol 32:2401-8. 2002..Our data provide molecular evidence supporting the beneficial effect of dietary vitamin E on atopic disorders...
Roles of CCAAT/enhancer-binding protein in transcriptional regulation of the human IL-5 geneM Li-Weber
Tumor Immunology Program, German Cancer Research Center DKFZ, Heidelberg, Germany
Eur J Immunol 31:3694-703. 2001..Thus, the C/EBP site may be also involved in HTLV-I Tax-mediated up-regulation of IL-5 gene expression. Our data suggest that C/EBP proteins may regulate IL-5 gene expression in response to different stimulation signals...
New therapeutic aspects of flavones: the anticancer properties of Scutellaria and its main active constituents Wogonin, Baicalein and BaicalinMin Li-Weber
Tumor Immunology Program D030, German Cancer Research Center DKFZ, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
Cancer Treat Rev 35:57-68. 2009..This review is aimed to summarize the research results obtained since the last 20 years and to highlight the recently discovered molecular mechanisms...
Th2-specific protein/DNA interactions at the proximal nuclear factor-AT site contribute to the functional activity of the human IL-4 promoterM Li-Weber
Tumor Immunology Program, German Cancer Research Center, Heidelberg
J Immunol 161:1380-9. 1998..These findings suggest that besides c-Maf, another Th2-specific factor(s) may be involved in tissue-specific expression of the IL-4 gene...
A regulatory element in the CD95 (APO-1/Fas) ligand promoter is essential for responsiveness to TCR-mediated activationM Li-Weber
Tumor Immunology Program, German Cancer Research Center, Heidelberg
Eur J Immunol 28:2373-83. 1998..Our data also show that the immunosuppressive agent cyclosporin A down-regulates CD95L transcription by inhibiting the function of this positive regulatory element...
Involvement of Jun and Rel proteins in up-regulation of interleukin-4 gene activity by the T cell accessory molecule CD28M Li-Weber
Tumor Immunology Program, German Cancer Research Center, D 69126 Heidelberg, Germany
J Biol Chem 273:32460-6. 1998..The data provide the first mapping of the CD28-responsive site in a Th2 cytokine gene, the IL-4 gene. They also show that the CD28 signal can directly activate a gene (e.g. IL-4) at the transcriptional level...
Novel Egr/NF-AT composite sites mediate activation of the CD95 (APO-1/Fas) ligand promoter in response to T cell stimulationM Li-Weber
Tumor Immunology Program, German Cancer Research Center DKFZ, Heidelberg, Germany
Eur J Immunol 29:3017-27. 1999..These findings provide further insight into the mechanisms involved in the regulation of the CD95L expression in response to T cell activation...
Human T cell leukemia virus type I Tax enhances IL-4 gene expression in T cellsM Li-Weber
Tumor Immunology Program, German Cancer Research Center, Heidelberg, Germany
Eur J Immunol 31:2623-32. 2001..Our studies provide the first evidence of the functional involvement of Tax in IL-4 gene regulation...
Characterization of constitutive and inducible transcription factors binding to the P2 NF-AT site in the human interleukin-4 promoterM Li-Weber
Tumor Immunology Program, German Cancer Research Center, Heidelberg
Gene 188:253-60. 1997..Therefore, the DNA sequence at -173 to -150 of the IL-4 promoter is a binding site for NF-ATp/c and AP-1. Octamer proteins are unlikely to cooperate with NF-ATp/c at this site...
Vitamin E inhibits CD95 ligand expression and protects T cells from activation-induced cell deathMin Li-Weber
Tumor Immunology G0300, German Cancer Research Center, Heidelberg, Germany
J Clin Invest 110:681-90. 2002..This evidence that vitamin E can affect T cell survival may merit further clinical investigation...
IFN-gamma represses IL-4 expression via IRF-1 and IRF-2Bernd Elser
Tumorimmunology Program, German Cancer Research Center DKFZ, D 69120 Heidelberg, Germany
Immunity 17:703-12. 2002..Our data demonstrate a direct negative feedback of IFN-gamma on expression of the Th2 cytokine gene IL-4 and, thus, provide evidence for another important mechanism by which IFNgamma assists Th1 and attenuates Th2 responses...
Early growth response protein-1 (Egr-1) is preferentially expressed in T helper type 2 (Th2) cells and is involved in acute transcription of the Th2 cytokine interleukin-4Michael Lohoff
Tumor Immunology Program D030, German Cancer Research Center DKFZ, D 69120 Heidelberg, Germany
J Biol Chem 285:1643-52. 2010..Our study provides the first evidence that Egr-1 protein is differentially expressed in Th1 and Th2 cells and is involved in the acute phase of the IL-4 transcription in response to TCR stimulation...
Viral IFN-regulatory factors inhibit activation-induced cell death via two positive regulatory IFN-regulatory factor 1-dependent domains in the CD95 ligand promoterSabine Kirchhoff
Tumor Immunology Program, Tumorvirus-Immunology, German Cancer Research Center, D-16920 Heidelberg, Germany
J Immunol 168:1226-34. 2002..Thus, these results demonstrate an important mechanism of HHV8 to modulate the immune response by down-regulation of CD95L expression. Inhibition of CD95-dependent T cell function might contribute to the immune escape of HHV8...
Curcumin suppresses T cell activation by blocking Ca2+ mobilization and nuclear factor of activated T cells (NFAT) activationChristian Kliem
Technologietransfer T010, German Cancer Research Center DKFZ, D 69120 Heidelberg, Germany
J Biol Chem 287:10200-9. 2012..Furthermore, because Ca(2+) is also the secondary messenger crucial for the TCR-induced NF-κB signaling pathway, our finding also provides another mechanism by which curcumin suppresses NF-κB activation...
HIV-1 trans-activator of transcription substitutes for oxidative signaling in activation-induced T cell deathKarsten Gülow
Tumor Immunology Program, German Cancer Research Center, Heidelberg, Germany
J Immunol 174:5249-60. 2005..H(2)O(2) generated by HIV-1 Tat combines with CD4-dependent calcium influx and causes massive T cell apoptosis. Thus, our data provide an explanation for CD4(+) T lymphocyte depletion during progression of AIDS...
Wogonin preferentially kills malignant lymphocytes and suppresses T-cell tumor growth by inducing PLCgamma1- and Ca2+-dependent apoptosisSven Baumann
Tumorimmunology Program D030, German Cancer Research Center, Heidelberg, Germany
Blood 111:2354-63. 2008..Taken together, our data show a therapeutic potential of Wogonin for the treatment of hematologic malignancies...
The traditional Chinese herbal compound rocaglamide preferentially induces apoptosis in leukemia cells by modulation of mitogen-activated protein kinase activitiesJia Y Zhu
Tumor Immunology Program D030, German Cancer Research Center DKFZ, Heidelberg, Germany
Int J Cancer 121:1839-46. 2007..Up to now, more than 50 different Roc derivatives have been isolated from Aglaia. Our study suggests that Roc derivatives may be promising candidates for the development of new drugs against hematologic malignancies...
Wogonin sensitizes resistant malignant cells to TNFalpha- and TRAIL-induced apoptosisStefanie C Fas
Tumor Immunology Program D030, German Cancer Research Center (DKFZ, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
Blood 108:3700-6. 2006..Our data suggest a potential use of wogonin as a TNFalpha or TRAIL adjuvant for cancer treatment. Our data also demonstrate how a herbal compound enhances killing of tumor cells with reduced side effects compared with other treatments...
Wogonin and related natural flavones overcome tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) protein resistance of tumors by down-regulation of c-FLIP protein and up-regulation of TRAIL receptor 2 expressionJie Ding
Tumor Immunology Program D030, German Cancer Research Center DKFZ, D 69120 Heidelberg, Germany
J Biol Chem 287:641-9. 2012..Thus, our study suggests the potential use of these flavones as an adjuvant for TRAIL-mediated anticancer therapy...
Artesunate induces ROS-mediated apoptosis in doxorubicin-resistant T leukemia cellsThomas Efferth
Pharmaceutical Biology of Natural Products, German Cancer Research Center, Heidelberg, Germany
PLoS ONE 2:e693. 2007..Another salient feature of these compounds is the lack of severe side effects in malaria patients...
Rocaglamide and a XIAP inhibitor cooperatively sensitize TRAIL-mediated apoptosis in Hodgkin's lymphomasMarco Giaisi
German Cancer Research Center, Heidelberg, Germany
Int J Cancer 131:1003-8. 2012..Synergistic increase in TRAIL-mediated killing of HL cells was only obtained by combination of Rocaglamide and XIAP inhibitors. Our study demonstrates that targeting both c-FLIP and XIAP are necessary for an efficient treatment of HL...
The natural anticancer compounds rocaglamides inhibit the Raf-MEK-ERK pathway by targeting prohibitin 1 and 2Gernot Polier
Tumorimmunology Program D030, German Cancer Research Center DKFZ, D 69120 Heidelberg, Germany
Chem Biol 19:1093-104. 2012..Thus, our finding suggests that rocaglamides are a new type of anticancer agent and that they may serve as a small-molecular tool for studying PHB-mediated cellular processes...
Proteasome inhibition sensitizes hepatocellular carcinoma cells, but not human hepatocytes, to TRAILTom M Ganten
Division of Apoptosis Regulation, German Cancer Research Center DKFZ, Heidelberg, Germany
Hepatology 42:588-97. 2005..Of clinical relevance, proteasome inhibitors sensitize HCC cells but not primary human hepatocytes for TRAIL-induced apoptosis...
Activation of intrinsic and extrinsic proapoptotic signaling pathways in interleukin-18-mediated human cardiac endothelial cell deathBysani Chandrasekar
Department of Medicine, University of Texas Health Science Center, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
J Biol Chem 279:20221-33. 2004..Taken together, our results indicate that IL-18 activates both intrinsic and extrinsic proapoptotic signaling pathways, induces endothelial cell death, and thereby may play a role in myocardial inflammation and injury...
LEF-1 negatively controls interleukin-4 expression through a proximal promoter regulatory elementDaniel Hebenstreit
Department of Molecular Biology, University of Salzburg, 5020 Salzburg, Austria
J Biol Chem 283:22490-7. 2008..Furthermore, we found that IL-4 stimulation possesses a negative effect on the expressions of LEF-1 and TCF-1 in primary T cells, suggesting a positive feedback effect of IL-4 on IL4 gene expression...
