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April 23, 2026Journal of Biochemical and Molecular Toxicology

Significant Role of Thrombospondin‐2 in Acute Lung Injury and Its Underlying Molecular Mechanisms

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Authors

YLYi LiuWuhan Red Cross HospitalJWJunxia WangWuhan Red Cross HospitalHLHuilin LuoWuhan Red Cross Hospital

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Implication

Demonstrates the impact of thrombospondin‐2 on acute lung injury, highlighting its regulatory role in cell apoptosis and inflammation.

Key Points

  • The study aimed to investigate the role of thrombospondin-2 in acute lung injury and its underlying molecular mechanisms.
  • Established an in vitro model of acute lung injury using A549 cells treated with lipopolysaccharide (LPS).
  • Utilized THBS2 siRNA for knockdown and assessed cell viability, apoptosis, and inflammatory markers through various assays.
  • Analyzed the activation of the TLR4/NF-κB pathway and its regulation by THBS2.
  • THBS2 expression increased in LPS-treated A549 cells, correlating with reduced cell viability and enhanced apoptosis.
  • LPS exposure heightened levels of pro-inflammatory cytokines (IL-6, IL-1β, TNF-α), reactive oxygen species, and malondialdehyde, while reducing antioxidant enzyme activity.
  • Knockdown of THBS2 reversed LPS-induced cell injury by inhibiting activation of the TLR4/NF-κB signaling pathway.

Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/69e9ba6b85696592c86ec935https://doi.org/10.1002/jbt.70842
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