ReferenceID 5951
Paeonol attenuates inflammation by confining HMGB1 to the nucleus
J Cell Mol Med
Inflammation is a biological process that exists in a large number of diseases. If the magnitude or duration of inflammation becomes uncontrolled, inflammation may cause pathological damage to the host. HMGB1 and NF-kapp
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Record Fields
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- Reference Id
- 5951
- Evidence Id
- 22541
- Core Evidence Id
- 22541
- Source Reference Id
- 5156
- Herb2 Reference Id
- HBREF005953
- Subject Paper Key
- HBIN038627_33534963
- Pubmed Id
- 33534963
- Doi
- 10.1111/jcmm.16319
- Paper Title
- Paeonol attenuates inflammation by confining HMGB1 to the nucleus
- Paper Abstract
- Inflammation is a biological process that exists in a large number of diseases. If the magnitude or duration of inflammation becomes uncontrolled, inflammation may cause pathological damage to the host. HMGB1 and NF-kappaB have been shown to play pivotal roles in inflammation-related diseases. New drugs aimed at inhibiting HMGB1 expression have become a key research focus. In the present study, we showed that paeonol (Pae), the main active component of Paeonia suffruticosa, decreases the expression of inflammatory cytokines and inhibits the translocation of HMGB1 induced by lipopolysaccharide (LPS). By constructing HMGB1-overexpressing (HMGB1+ ) and HMGB1-mutant (HMGB1m ) RAW264.7 cells, we found that the nuclear HMGB1 could induce an LPS-tolerant state in RAW264.7 cells and that paeonol had no influence on the expression of inflammatory cytokines in HMGB1m RAW264.7 cells. In addition, the anti-inflammatory property of paeonol was lost in HMGB1 conditional knockout mice, indicating that HMGB1 is a target of paeonol and a mediator through which paeonol exerts its anti-inflammatory function. Additionally, we also found that HMGB1 and P50 competitively bound with P65, thus inactivating the NF-kappaB pathway. Our research confirmed the anti-inflammation property of paeonol and suggests that inhibiting the translocation of HMGB1 could be a new strategy for treating inflammation.
- Journal
- J Cell Mol Med
- Publish Year
- 2021
- Experiment Subject
- mouse; hmgb1-overexpressing (hmgb1+ ) and hmgb1-mutant (hmgb1m ) raw264.7 cells; hmgb1m raw264.7 cells; raw264.7 cells
- Experiment Type
- Cell Experiment
- Phenotype Related
- Inflammation; Inflammation-related Diseases
- Paper Title Cn
- Paper Title En
- Paeonol attenuates inflammation by confining HMGB1 to the nucleus
- Bilingual Status
- semi_complete