ArticleInflammopharmacology2016
Helicobacter pylori-induced changes in microtubule dynamics conferred by α-tubulin phosphorylation on Ser/Tyr mediate gastric mucosal secretion of matrix metalloproteinase-9 (MMP-9) and its modulation by ghrelin.
Article in Inflammopharmacology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 6 citations in OpenAlex.
- Syk: a new target for attenuation of Helicobacter pylori-induced gastric mucosal inflammatory responses.Inflammopharmacology · 2019Review
- Priming the seed:World journal of gastrointestinal oncology · 2018Review
- Role of LPS-elicited signaling in triggering gastric mucosal inflammatory responses to H. pylori: modulatory effect of ghrelin.Inflammopharmacology · 2017Review
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2 authors at 1 institution in 1 country.
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Abstract
Regulation of matrix metalloproteinase-9 (MMP-9) secretion in response to proinflammatory challenge remains under a strict control of factors that affect the stability dynamics of the major cytoskeleton polymeric structures, microtubules (MTs). In this study, we report that H. pylori LPS-elicited induction gastric mucosal MMP-9 secretion is accompanied by the enhancement in MT stabilization as evidenced by the increase in α-tubulin acetylation and detyrosination while the modulatory influence of hormone, ghrelin, is associated with MT destabilization and reflected in a decrease in α-tubulin acetylation and detyrosination. Further, we reveal that the LPS-induced enhancement in MT stabilization and up-regulation in MMP-9 secretion as well as the modulatory influence of ghrelin occur with the involvement of PKCδ and SFK. The LPS effect is reflected in a marked increase in PKCδ-mediated α-tubulin phosphorylation on Ser, while the modulatory effect of ghrelin on MT dynamics and MMP-9 secretion is manifested by the SFK-dependent phosphorylation of α-tubulin on Tyr. Moreover, the changes in α-tubulin phosphorylation and MT stabilization dynamics occur in concert with the Golgi recruitment and activation of PKD2 and Arf-GEF. The findings demonstrate that the enhancement in gastric mucosal MMP-9 secretion in response to H. pylori and its modulation by ghrelin are the result of changes in MT dynamics conferred by PKCδ/SFK- mediated α-tubulin Ser/Tyr phosphorylation.
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