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ARF6 promotes Streptococcus suis suilysin induced apoptosis in HBMECs.
In: International journal of biological macromolecules, Jg. 268 (2024-05-01), Heft Pt 2, S. 131839
academicJournal
Zugriff:
Streptococcus suis (S. suis) is a significant zoonotic microorganism that causes a severe illness in both pigs and humans and is characterized by severe meningitis and septicemia. Suilysin (SLY), which is secreted by S. suis, plays a crucial role as a virulence factor in the disease. To date, the interaction between SLY and host cells is not fully understood. In this study, we identified the interacting proteins between SLY and human brain microvascular endothelial cells (HBMECs) using the TurboID-mediated proximity labeling method. 251 unique proteins were identified in TurboID-SLY treated group, of which six plasma membrane proteins including ARF6, GRK6, EPB41L5, DSC1, TJP2, and PNN were identified. We found that the proteins capable of interacting with SLY are ARF6 and PNN. Subsequent investigations revealed that ARF6 substantially increased the invasive ability of S. suis in HBMECs. Furthermore, ARF6 promoted SLY-induced the activation of p38 MAPK signaling pathway in HBMECs. Moreover, ARF6 promoted the apoptosis in HBMECs through the activation of p38 MAPK signaling pathway induced by SLY. Finally, we confirmed that ARF6 could increase the virulence of SLY in C57BL/6 mice. These findings offer valuable insights that contribute to a deeper understanding of the pathogenic mechanism of SLY.
Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2024. Published by Elsevier B.V.)
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ARF6 promotes Streptococcus suis suilysin induced apoptosis in HBMECs.
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Autor/in / Beteiligte Person: | Jiang, C ; Zhou, P ; Zhang, X ; Ma, N ; Hu, Y ; Zhang, M ; Ghonaim, AH ; Li, H ; Dong, L ; Zeng, W ; Li, C ; Lang, Y ; Sun, Y ; He, Q ; Li, W |
Zeitschrift: | International journal of biological macromolecules, Jg. 268 (2024-05-01), Heft Pt 2, S. 131839 |
Veröffentlichung: | Amsterdam : Elsevier ; <i>Original Publication</i>: Guildford, Eng., IPC Science and Technology Press., 2024 |
Medientyp: | academicJournal |
ISSN: | 1879-0003 (electronic) |
DOI: | 10.1016/j.ijbiomac.2024.131839 |
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