Heat-Killed Lactobacillus delbrueckii subsp. lactis 557 Protects Chondrocytes from Osteoarthritis Damage
Author Information
Author(s): Hu Yu-Chen, Huang Tzu-Ching, Hsieh Bau-Shan, Huang Li-Wen, Lin Jin-Seng, Hsu Han-Yin, Lee Chia-Chia, Chang Kee-Lung
Primary Institution: Kaohsiung Medical University
Hypothesis
Can heat-killed Lactobacillus delbrueckii subsp. lactis 557 extracts protect chondrocytes from osteoarthritis damage by reducing inflammation?
Conclusion
LDL557 extracts may protect chondrocytes from osteoarthritis damage by reducing inflammation-related factors and mitigating cartilage matrix loss.
Supporting Evidence
- LDL557 extracts protected SW1353 cells from MIA-induced death.
- LDL557 extracts reduced extracellular matrix loss.
- LDL557 extracts decreased the expression of pro-inflammatory cytokines IL-1β and TNF-α.
- LDL557 extracts slightly increased the expression of the anti-inflammatory cytokine IL-10.
Takeaway
This study shows that a type of bacteria can help protect joint cells from damage caused by arthritis by lowering inflammation.
Methodology
In vitro study using SW1353 chondrosarcoma cells treated with heat-killed LDL557 extracts and monosodium iodoacetate to mimic osteoarthritis conditions.
Limitations
The study used a cell line instead of primary cells and did not identify specific active components in LDL557 extracts.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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