Article ; Online: Prevotella histicola Prevented Particle-Induced Osteolysis via Gut Microbiota-Dependent Modulation of Inflammation in Ti-Treated Mice.
Probiotics and antimicrobial proteins
2023 Volume 16, Issue 2, Page(s) 383–393
Abstract: Wear particles generated from total joint replacements induce chronic osteolysis mediated by inflammatory upregulation, which leads to implant failure. Recent studies have suggested an important role of the gut microbiota in modulating the host's ... ...
Abstract | Wear particles generated from total joint replacements induce chronic osteolysis mediated by inflammatory upregulation, which leads to implant failure. Recent studies have suggested an important role of the gut microbiota in modulating the host's metabolism and immune system, leading to alterations in bone mass. Following gavage with P. histicola, micro-CT and HE staining revealed that osteolysis was significantly reduced in titanium (Ti)-treated mice. Immunofluorescence analysis revealed an increased macrophage (M)1/M2 ratio in the guts of Ti-treated mice, which decreased when P. histicola was added. P. histicola was also found to upregulate the tight junction proteins ZO-1, occludin, claudin-1, and MUC2 in the gut, reduce the levels of inflammatory factors IL-1β, IL-6, IL-8, and TNF-α, primarily in the ileum and colon, and decrease the expression of IL-1β and TNF-α and increase the level of IL-10 in the serum and cranium. Furthermore, P. histicola treatment resulted in a significant downregulation of CTX-1, RANKL, and RANKL/OPG. These findings demonstrate that P. histicola significantly mitigates osteolysis in Ti-treated mice by improving intestinal microbiota that repairs intestinal leakage and reduces systemic and local inflammation which in turn inhibits RANKL expression for bone resorption. P. histicola treatment may thus be therapeutically beneficial for particle-induced osteolysis. |
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MeSH term(s) | Mice ; Animals ; Osteolysis/chemically induced ; Osteolysis/metabolism ; Osteolysis/prevention & control ; Tumor Necrosis Factor-alpha ; Osteoclasts/metabolism ; Titanium/adverse effects ; Titanium/metabolism ; Gastrointestinal Microbiome ; Inflammation/drug therapy ; Inflammation/metabolism ; Prevotella |
Chemical Substances | Tumor Necrosis Factor-alpha ; Titanium (D1JT611TNE) |
Language | English |
Publishing date | 2023-03-10 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 2487792-X |
ISSN | 1867-1314 ; 1867-1306 |
ISSN (online) | 1867-1314 |
ISSN | 1867-1306 |
DOI | 10.1007/s12602-023-10057-7 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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