Human Gene Set: GSE22611_UNSTIM_VS_2H_MDP_STIM_NOD2_TRANSDUCED_HEK293T_CELL_DN


Standard name GSE22611_UNSTIM_VS_2H_MDP_STIM_NOD2_TRANSDUCED_HEK293T_CELL_DN
Systematic name M8152
Brief description Genes down-regulated in HEK293 cells over-expressing wildtype NOD2 [GeneID=64127]: untreated versus muramyl dipeptide [PubChem=11620162] for 2h.
Full description or abstract NOD2 is an intracellular receptor for the bacterial cell wall component muramyl dipeptide (MDP) and variants of NOD2 are associated with chronic inflammatory diseases of barrier organs e.g. Crohn disease, asthma and atopic eczema. It is known that activation of NOD2 induces a variety of inflammatory and antibacterial factors. The exact transcriptomal signatures that define the cellular programs downstream of NOD2 activation and the influence of the Crohn-associated variant L1007fsinsC are yet to be defined. To describe the MDP-induced activation program, we analyzed the transcriptomal reactions of isogenic HEK293 cells expressing NOD2wt or NOD2L1007fsinsC to stimulation with MDP. Importantly, a clear loss-of-function could be observed in the cells carrying the Crohn-associated variant L1007fsinsC, while the NOD2wt cells showed differential regulation of growth factors, chemokines and several antagonists of NF-?B, e.g. TNFAIP3 (A20) and IER3.
Collection C7: Immunologic Signature
      IMMUNESIGDB: ImmuneSigDB
Source publication Pubmed 21335489   Authors: Billmann-Born S,Till A,Arlt A,Lipinski S,Sina C,Latiano A,Annese V,Häsler R,Kerick M,Manke T,Seegert D,Hanidu A,Schäfer H,van Heel D,Li J,Schreiber S,Rosenstiel P
Exact source GSE22611_3475_200_DN
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Source species Homo sapiens
Contributed by Jernej Godec (Dana-Farber Cancer Institute)
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Version history 7.3: Moved to ImmuneSigDB sub-collection.

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