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Gene expression profile of WT and TAK1 KO livers.

ABSTRACT: The effect of ablation of Tak1 gene in the liver was characterized. RNA was extracted from 1-month-old WT and hepatocyte specific TAK1-deleted mice

ORGANISM(S): Mus musculus

SUBMITTER: Ekihiro Seki

PROVIDER: E-GEOD-51962 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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TAK1-mediated autophagy and fatty acid oxidation prevent hepatosteatosis and tumorigenesis.

Inokuchi-Shimizu Sayaka S Park Eek Joong EJ Roh Yoon Seok YS Yang Ling L Zhang Bi B Song Jingyi J Liang Shuang S Pimienta Michael M Taniguchi Koji K Wu Xuefeng X Asahina Kinji K Lagakos William W Mackey Mason R MR Akira Shizuo S Ellisman Mark H MH Sears Dorothy D DD Olefsky Jerrold M JM Karin Michael M Brenner David A DA Seki Ekihiro E

The Journal of clinical investigation 20140701 8

The MAP kinase kinase kinase TGFβ-activated kinase 1 (TAK1) is activated by TLRs, IL-1, TNF, and TGFβ and in turn activates IKK-NF-κB and JNK, which regulate cell survival, growth, tumorigenesis, and metabolism. TAK1 signaling also upregulates AMPK activity and autophagy. Here, we investigated TAK1-dependent regulation of autophagy, lipid metabolism, and tumorigenesis in the liver. Fasted mice with hepatocyte-specific deletion of Tak1 exhibited severe hepatosteatosis with increased mTORC1 activi ...[more]

PMID: 24983318

Similar Datasets

Gene expression profile of WT and TAK1 KO livers.

Project description:The effect of ablation of Tak1 gene in the liver was characterized.

2014-12-22 | GSE51962 | GEO

Hepatocyte-Specific TAK1 Deficiency Drives RIPK1 Kinase-dependent Inflammation to Promote Liver Fibrosis and Hepatocellular Carcinoma

Project description:Transforming growth factor beta-activated kinase1 (TAK1) encoded by the gene MAP3K7 regulates multiple important downstream effectors involved in immune response, cell death and carcinogenesis. Hepatocyte-specific deletion of TAK1 in Tak1_Hep mice promotes liver fibrosis and hepatocellular carcinoma (HCC) formation. Here, we report that genetic inactivation of RIPK1 kinase using kinase dead knock-in D138N mutation in Tak1_Hep mice inhibits the expression of liver tumor biomarkers, liver fibrosis and HCC formation. Inhibition of RIPK1, however, has no or minimum effect on hepatocyte loss and compensatory proliferation, which are the recognized factors important for liver fibrosis and HCC development. Using single cell RNA-seq, we discover that inhibition of RIPK1 strongly suppresses inflammation induced by hepatocyte-specific loss of TAK1. Activation of RIPK1 promotes the transcription of key proinflammatory cytokines, such as CCL2, and CCR2+ macrophage infiltration. Our study demonstrates the role and mechanism of RIPK1 kinase in promoting inflammation, both cell-autonomously and cell-non-autonomously, in the development of liver fibrosis and HCC, independent of cell death and compensatory proliferation. We suggest the possibility of inhibiting RIPK1 kinase as a therapeutic strategy for reducing liver fibrosis and HCC development by inhibiting inflammation.

2020-07-08 | GSE148859 | GEO

Pharmacological Inhibition of TAK1 Prevents and Induces Regression of fibrosis

Project description:To evaluate the effects of TAK1 inhibition on TGF-beta regulated fibrosis using a novel small molecule inhibitor of TAK1.

2023-05-17 | GSE232435 | GEO

TAK1 is essential for growth and maintenance of skeletal muscle mass

Project description:Our results demonstrate that targeted deletion of TAK1 inhibits muscle growth during post-natal development period. Inactivation of TAK1 also causes muscle wasting in adult mice. TAK1 regulates expression of a number of molecules and signaling pathways which mediate growth and maintenance of skeletal muscle.

2018-02-28 | GSE104586 | GEO

The activation of IL-1 induced enhancers depends on TAK1 kinase activity and NF-KB p65 [ChIP-Seq]

Project description:The inflammatory gene response requires activation of the protein kinase TAK1, but it is currently unknown how TAK1-derived signals coordinate transcriptional programs in the genome. We determined the genome-wide binding of the TAK1-controlled NF-κB subunit p65 in relation to active enhancers and promoters of transcribed genes by ChIP-seq experiments. Out of 35,000 active enhancer regions, 410 H3K4me1-positive enhancers show interleukin (IL)-1-induced H3K27ac and p65 binding. Inhibition of TAK1, IKK2 or depletion of p65 blocked inducible enhancer activation and gene expression. As exemplified by the CXC chemokine cluster located on chromosome 4, the TAK1-p65 pathway also regulates the recruitment kinetics of the histone acetyltransferase CBP, of NF-κB p50 and of AP-1 transcription factors to both, promoters and enhancers. This study provides a high resolution view of epigenetic changes occurring during the IL-1 response and allows the first genome-wide identification of a novel class of inducible p65 NF-κB-dependent enhancers in epithelial cells. ChIP-seq in KB cells with 5 different antibodies under different treatment conditions

2014-12-16 | E-GEOD-64223 | biostudies-arrayexpress

Nuclear orphan receptor TAK1/TR4-deficient mice are protected against obesity-linked inflammation, hepatic steatosis, and insulin resistance

Project description:The nuclear receptor TAK1/TR4/NR2C2 is expressed in several tissues that are important in the control of energy homeostasis. TAK1-deficient (TAK1-/-) mice are resistant to the development of age- and high fat diet (HFD)-induced metabolic syndrome. Biochemical analysis showed significantly lower hepatic triglyceride levels and reduced lipid accumulation in adipose tissue in TAK1-/- mice compared to wild type (WT) mice. Gene expression profiling analysis revealed that the expression of several genes encoding proteins involved in lipid uptake and triglyceride synthesis and storage, including Cidea, Cidec, Mogat1, and CD36, was greatly decreased in the liver of TAK1-/- mice. Moreover, TAK1-/- mice exhibit reduced infiltration of inflammatory cells and expression of inflammatory genes in adipose tissue and were resistant to the development of glucose intolerance and insulin resistance. TAK1-/- mice consume more oxygen and produce more carbon dioxide than WT mice suggesting a higher rate of energy expenditure. Together, these results indicate that TAK1 plays a critical role in the regulation of energy and lipid homeostasis and potentiates the development of metabolic syndrome. Our study suggests that TAK1 might provide a novel therapeutic target in the management of metabolic syndrome. For microarray liver total RNAs were purified from WT and TAK1 KO mice and applied on Agilent mouse genome chip. Liver from 1 year old- WT and TAK1 KO mice.

2010-09-30 | E-GEOD-21903 | biostudies-arrayexpress

A mass spectrometry analysis of the TAK1 protein complex in Jurkat T cells.

Project description:Negative regulation of immunoreceptor signaling is required for preventing hyperimmune activation and maintaining immune homeostasis. The roles of p38IP in immunoreceptor signaling remain unclear. Here, we show that p38IP suppresses T cell receptor (TCR)/LPS-activated NF-κB and p38 by targeting TAK1 kinase and that p38IP protein levels are downregulated in human-PBMCs from rheumatoid arthritis (RA) patients, inversely correlating with the enhanced activity of NF-κB and p38. Mechanistically, p38IP interacts with TAK1 to disassemble the TAK1-TAB (TAK1-binding protein) complex. p38IP overexpression decreases TCR-induced binding of K63-linked polyubiquitin (polyUb) chains to TAK1 but increases that to TAB2, and p38IP knockdown shows the opposite effects, indicating unanchored K63-linked polyUb chain transfer from TAB2 to TAK1. p38IP dynamically interacts with TAK1 upon stimulation, because of the higher binding affinity of TAK1 and p38IP for sequential polyUb binding by TAB2 and TAK1, respectively. Moreover, p38IP specifically scaffolds the deubiquitinase USP4 to deubiquitinate TAK1 once TAK1 is activated. These findings reveal a novel role and the mechanisms of p38IP in controlling TCR/LPS signaling and suggest that p38IP might participate in RA pathogenesis.

2020-04-30 | PXD018330 | Pride

TAK1-dependent checkpoint in dendritic cell survival regulates immune homeostasis and function

Project description:Homeostatic control of dendritic cell (DC) survival is crucial for a productive adaptive immune response, but the molecular mechanism is not well defined. Moreover, how DCs influence homeostasis of the immune system under steady state remains unclear. Combining DC-specific and inducible deletion systems, we report here that the kinase TAK1 is an essential regulator of DC survival and immune system homeostasis and function. Deficiency of TAK1 in CD11c+ cells diminished DC populations, especially the CD8+ and CD103+ DC subsets in the lymphoid and non-lymphoid organs, respectively. This was associated with increased apoptosis of DCs, whereas DC proliferation and differentiation from precursors appeared largely normal. In addition, acute deletion of TAK1 caused DC apoptosis, indicating a direct role of TAK1 in actively maintaining DC survival. TAK1 deficiency impaired activities of the pro-survival NF-kB and AKT pathways but upregulated expression of the pro-apoptotic molecule Bim. Under steady state, loss of TAK1 in DCs resulted in a myeloid proliferative disorder, and altered homeostasis of T cells. In response to antigen stimulation, TAK1-deficient DCs were impaired for T cell priming and regulatory T cell generation. Therefore, TAK1 orchestrates a pro-survival checkpoint in DCs that affects the homeostasis and function of the immune system

2012-01-23 | GSE34417 | GEO

TAK1-dependent checkpoint in dendritic cell survival regulates immune homeostasis and function

2012-01-23 | E-GEOD-34417 | biostudies-arrayexpress

Translation control of TAK1 mRNA by hnRNP K modulates LPS-induced macrophage activation

Project description:Macrophage activation by bacterial lipopolysaccharides (LPS) is induced through Toll-like receptor 4 (TLR4). The synthesis and activity of TLR4 downstream signalling molecules modulates the expression of pro- and anti-inflammatory cytokines. To address the impact of post-transcriptional regulation on that process, we performed RIP-Chip analysis. Differential association of mRNAs with heterogeneous ribonucleoprotein K (hnRNP K), an mRNA-specific translational regulator in differentiating haematopoietic cells, was studied in non-induced and LPS-activated macrophages. Analysis of interactions affected by LPS revealed an enrichment of mRNAs encoding TLR4 downstream kinases and their modulators. We focused on transforming growth factor Î² activated kinase-1 (TAK1), a central player in TLR4 signalling. HnRNP K interacts specifically with a sequence in the TAK1 mRNA 3' UTR in vitro. Silencing of hnRNP K does not affect TAK1 mRNA synthesis and stability, but enhances TAK1 mRNA translation, resulting in elevated TNF-alpha, IL-1beta and IL-10 mRNA expression. Our data suggest that the hnRNP K-3' UTR complex inhibits TAK1 mRNA translation in non-induced macrophages. LPS-dependent TLR4 activation abrogates translational repression and newly synthesised TAK1 initiates the inflammatory response of macrophages. In this dataset, we include expression data of RAW 264.7 cells comparing untreated cells and 6h Lipopolysaccharide treatment, and analyse RNAs co-precipitating with hnRNP K dependent on LPS treatment. 12 total samples were analyzed, 6 samples of 2 biological replicates.

2014-07-01 | E-GEOD-48463 | biostudies-arrayexpress

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