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Four-and-a-half LIM domain protein 2 (FHL2) deficiency protects mice from diet-induced obesity and high FHL2 expression correlates with obesity in man.

ABSTRACT: Four-and-a-half LIM domain protein 2 (FHL2) deficiency protects mice from diet-induced obesity and high FHL2 expression correlates with obesity in man.

PROVIDER: PRJNA656490 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12429715.fastq.gz	Fastqsanger.gz
	SRR12429716.fastq.gz	Fastqsanger.gz
	SRR12429717.fastq.gz	Fastqsanger.gz
	SRR12429718.fastq.gz	Fastqsanger.gz
	SRR12429719.fastq.gz	Fastqsanger.gz

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Four-and-a-half LIM domain protein 2 (FHL2) deficiency protects mice from diet-induced obesity and high FHL2 expression correlates with obesity in man.

Project description:Four-and-a-Half-LIM-domain-protein 2 (FHL2) modulates multiple signal transduction pathways but has not been implicated in obesity or energy metabolism. In man, FHL2 expression increases with age and high FHL2 expression is associated with increased body weight in human and mice, leading us to hypothesize that FHL2 is a determinant of diet-induced obesity. Accordingly, loss of FHL2 protects mice from high-fat diet-induced weight gain. This is associated with enhanced energy expenditure in FHL2-/- mice. In an attempt to discover the origin of the increased energy expenditure in FHL2-/- mice, we performed transcriptome analysis (RNA-seq) on the heart, since FHL2 is highly expressed in this organ and gonadal white adipose tissue in WT and FHL2-/- mice.

2021-06-14 | GSE156027 | GEO

Overexpression of four and a half LIM domains protein 2 promotes epithelial-mesenchymal transition-like phenotype in fish pre-osteoblasts

2013-01-03 | GSE32501 | GEO

Overexpression of four and a half LIM domains protein 2 promotes epithelial-mesenchymal transition-like phenotype in fish pre-osteoblasts

Project description:Four and a half LIM domains protein 2 (FHL2) is a co-regulator of gene transcription relevant for many signalling pathways and physiological processes. In this work, the role of FHL2 in cell differentiation has been investigated during in vitro mineralization using a Sparus aurata pre-osteoblast cell line (VSa16, [1]). A global microarray analysis was then performed to characterize the molecular pathways affected by FHL2 overexpression. [1] Pombinho, A.R., LaizM-CM-), V., Molha, D.M., Marques, S.M.P. and Cancela, M.L. (2004). Development of two bone-derived cell lines from the marine teleost Sparus aurata; evidence for extracellular matrix mineralization and cell-type specific expression of matrix Gla protein and osteocalcin. Cell Tissue Res. 315, 393-406. Sparus aurata oligo-DNA microarray (GPL6467) was used to compare gene expression profiles between Control (WT) and FHL2-transfected (F2) VSa16 cell lines. Gene expression profiles of both WT and F2 cells were assessed either at T0 (initial confluent cultures) or T4 (4 weeks of cell confluency). Four (4) pools of cells were taken from both WT and F2 groups at each time point and stored in RNA later at -20M-BM-0C until RNA extraction.

2013-01-03 | E-GEOD-32501 | biostudies-arrayexpress

Function of LIM-only protein FHL2 in vascular smooth muscle cells

2014-10-07 | GSE56860 | GEO

Function of LIM-only protein FHL2 in vascular smooth muscle cells

Project description:The LIM-only protein FHL2 is expressed in SMCs and inhibits SMC-rich lesion formation. However, the underlying mechanism behind FHL2's action in SMCs has been only partially resolved. To further elucidate the role of FHL2 in SMCs we compared the transcriptome of cultured SMCs derived from wild-type (WT) and FHL2-knockout (KO) mice. Comparison of gene expression in aortic smooth muscle cells (SMCs) isolated from WT and FHL2-knockout (FHL2-KO) mice. SMCs isolated from three mouse aortas were pooled (Kurakula et al, PLOS One, 2014). Both for WT and FHL-KO mice three batches of SMCs (derived from 9 mice) were cultured. The SMCs were grown to confluency and maintained in serum-free medium for 48 hrs before harvest. Subsequently, RNA was isolated for gene expression profiling.

2014-10-07 | E-GEOD-56860 | biostudies-arrayexpress

Bacillus sp. TYF-LIM-B05 strain:TYF-LIM-R05

Project description:Bacillus sp. TYF-LIM-B05 strain:TYF-LIM-R05 Genome sequencing and assembly

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Repo-Man/PP1 regulates heterochromatin formation in interphase

Project description:Repo-Man chromatin binding sites were obtained by expression of GST:Repo-Man and incubation with nucleosomes extracted from HeLa cells (GST alone signal was used as a negative control and subtracted from the GST:Repo-Man chromatin bound fraction)

2016-11-23 | GSE84035 | GEO

Early adipogenesis is repressed through the newly identified FHL2-NFAT5 signaling complex

Project description:The LIM-domain-only protein FHL2 is a modulator of signal transduction and has been shown to direct the differentiation of mesenchymal stem cells toward osteoblasts and myocytes phenotypes. We hypothesized that FHL2 may simultaneously interfere with the induction of the adipocyte lineage. Therefore, we investigated the role of FHL2 in adipocyte differentiation using pre-adipocytes isolated from mouse adipose tissue and the 3T3-L1 (pre)adipocyte cell line. Here we report that FHL2 is expressed in pre-adipocytes and for accurate adipocyte differentiation, this protein needs to be downregulated during the early stages of adipogenesis. More specifically, constitutive overexpression of FHL2 drastically inhibits adipocyte differentiation in 3T3-L1 cells, which was demonstrated by suppressed activation of the adipogenic gene expression program as shown by extensive RNAseq analyses, and diminished lipid accumulation. To identify the protein-protein interactions mediating this repressive activity of FHL2 on adipogenesis, we performed affinity-purification mass spectrometry (AP-MS). This analysis revealed the interaction of FHL2 with the Nuclear factor of activated T-cells 5 (NFAT5), an established inhibitor of adipocyte differentiation. NFAT5 knockdown rescued the inhibitory effect of FHL2 overexpression on 3T3-L1 differentiation, indicating that these proteins act cooperatively. In conclusion, we present a new regulatory function of FHL2 in early adipocyte differentiation and revealed that FHL2-mediated inhibition of pre-adipocyte differentiation is dependent on its interaction with NFAT5.

2023-11-13 | PXD033974 | Pride

Nucleocytoplasmic O-Man glycoproteome

Project description:Dynamic cycling of N-Acetylglucosamine (GlcNAc) on serine (Ser) and threonine (Thr) residues (O-GlcNAcylation) is an essential process in all eukaryotic cells except yeast, e.g Saccharomyces cerevisiae. O-GlcNAcylation modulates signaling and cellular processes in an intricate interplay with protein phosphorylation, and serves as a key sensor of nutrients by linking the hexosamine biosynthetic pathway (HBP) to cellular signaling. A longstanding conundrum has been how yeast survives without O-GlcNAcylation in light of its similar phosphorylation signaling system. We previously developed a sensitive lectin enrichment and mass spectrometry workflow for identification of the human O-Mannose (O-Man) glycoproteome, and used this to identify a pleothora of O-linked mannose glycoproteins in human cell lines including the large family of cadherins and protocadherins. Here, we applied the workflow to yeast with the aim to characterize the yeast O-Man glycoproteome, and doing so we discovered hitherto unknown O-Man glycosites on nuclear, cytoplasmic and mitochondrial proteins in Saccharomyces cerevisiae. The type of nucleocytoplasmic proteins and the localization of identified O-Man residues mirrors that of the O-GlcNAc glycoproteome in other eukaryotic cells, indicating that the two different types of O-glycosylations serve the same important biological functions. The discovery opens for exploration of the enzyme machinery that is predicted to regulate the discovered nucleocytoplasmic O-Man glycosylation. It is likely that manipulation of this type of O-Man glycosylation will have wide applications for yeast bioprocessing.

2015-12-08 | PXD002924 | Pride

C-Man peptide pulldowns from Brain

Project description:Peptide pulldowns with C-man antibodies to demostrate the utelity of reagents for proteomic analysis. Using Murine brain samples Novel C-man sites are readily identifiable.

2020-11-16 | PXD020336 | Pride

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