A bacterial effector protein promotes nuclear translocation of Stat3 to induce IL-10.
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A bacterial effector protein promotes nuclear translocation of Stat3 to induce IL-10. / Berneking, L; Bekere, I; Rob, S; Schnapp, M; Huang, J; Ruckdeschel, K; Aepfelbacher, M.
In: EUR J CELL BIOL, Vol. 102, No. 4, 151364, 12.2023, p. 151364.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - A bacterial effector protein promotes nuclear translocation of Stat3 to induce IL-10.
AU - Berneking, L
AU - Bekere, I
AU - Rob, S
AU - Schnapp, M
AU - Huang, J
AU - Ruckdeschel, K
AU - Aepfelbacher, M
PY - 2023/12
Y1 - 2023/12
N2 - The multifunctional Yersinia effector YopM inhibits effector triggered immunity and increases production of the anti-inflammatory cytokine Interleukin-10 (IL-10) to suppress the host immune response. Previously it was shown that YopM induces IL-10 gene expression by elevating phosphorylation of the serine-threonine kinase RSK1 in the nucleus of human macrophages. Using transcriptomics, we found that YopM strongly affects expression of genes belonging to the JAK-STAT signaling pathway. Further analysis revealed that YopM mediates nuclear translocation of the transcription factor Stat3 in Y. enterocolitica infected macrophages and that knockdown of Stat3 inhibited YopM-induced IL-10 gene expression. YopM-induced Stat3 translocation did not depend on autocrine IL-10, activation of RSK1 or tyrosine phosphorylation of Stat3. Thus, besides activation of RSK1, stimulation of nuclear translocation of Stat3 is another mechanism by which YopM increases IL-10 gene expression in macrophages.
AB - The multifunctional Yersinia effector YopM inhibits effector triggered immunity and increases production of the anti-inflammatory cytokine Interleukin-10 (IL-10) to suppress the host immune response. Previously it was shown that YopM induces IL-10 gene expression by elevating phosphorylation of the serine-threonine kinase RSK1 in the nucleus of human macrophages. Using transcriptomics, we found that YopM strongly affects expression of genes belonging to the JAK-STAT signaling pathway. Further analysis revealed that YopM mediates nuclear translocation of the transcription factor Stat3 in Y. enterocolitica infected macrophages and that knockdown of Stat3 inhibited YopM-induced IL-10 gene expression. YopM-induced Stat3 translocation did not depend on autocrine IL-10, activation of RSK1 or tyrosine phosphorylation of Stat3. Thus, besides activation of RSK1, stimulation of nuclear translocation of Stat3 is another mechanism by which YopM increases IL-10 gene expression in macrophages.
UR - http://europepmc.org/abstract/med/37806297
U2 - 10.1016/j.ejcb.2023.151364
DO - 10.1016/j.ejcb.2023.151364
M3 - SCORING: Journal article
C2 - 37806297
VL - 102
SP - 151364
JO - EUR J CELL BIOL
JF - EUR J CELL BIOL
SN - 0171-9335
IS - 4
M1 - 151364
ER -