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Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Bogner-Strauss, JG; Prokesch, A; Sanchez-Cabo, F; Rieder, D; Hackl, H; Duszka, K; Krogsdam, A; Di Camillo, B; Walenta, E; Klatzer, A; Lass, A; Pinent, M; Wong, WC; Eisenhaber, F; Trajanoski, Z.
Reconstruction of gene association network reveals a transmembrane protein required for adipogenesis and targeted by PPARγ.
Cell Mol Life Sci. 2010; 67(23): 4049-4064.
Doi: 10.1007/s00018-010-0424-5
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- Führende Autor*innen der Med Uni Graz
- Prokesch Andreas
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- Abstract:
- We have developed a method for reconstructing gene association networks and have applied this method to gene profiles from 3T3-L1 cells. Priorization of the candidate genes pinpointed a transcript annotated as APMAP (adipocyte plasma membrane-associated protein). Functional studies showed that APMAP is upregulated in murine and human adipogenic cell models as well as in a genetic mouse model of obesity. Silencing APMAP in 3T3-L1 cells strongly impaired the differentiation into adipocytes. Moreover, APMAP expression was strongly induced by the PPARγ ligand rosiglitazone in adipocytes in vitro and in vivo in adipose tissue. Using ChIP-qPCR and luciferase reporter assays, we show a functional PPARγ binding site. In addition, we provide evidence that the extracellular C-terminal domain of APMAP is required for the function of APMAP in adipocyte differentiation. Finally, we demonstrate that APMAP translocates from the endoplasmatic reticulum to the plasma membrane during adipocyte differentiation.
- Find related publications in this database (using NLM MeSH Indexing)
- 3T3-L1 Cells -
- Adipogenesis - genetics
- Algorithms -
- Amino Acid Sequence -
- Animals -
- Gene Regulatory Networks -
- Humans -
- Male -
- Membrane Glycoproteins - genetics Membrane Glycoproteins - metabolism
- Mice -
- Mice, Inbred C57BL -
- Molecular Sequence Data -
- PPAR gamma - genetics PPAR gamma - metabolism
- Promoter Regions, Genetic -
- RNA, Small Interfering - metabolism
- Recombinant Fusion Proteins - genetics Recombinant Fusion Proteins - metabolism
- Sequence Alignment -
- Find related publications in this database (Keywords)
- Adipogenesis
- APMAP
- PPAR gamma
- Transcriptional regulation
- Gene expression
- Gene networks