ReferenceID 6091
Puerarin attenuates lipopolysaccharide-induced myocardial injury via the 14-3-3γ/PKCε pathway activating adaptive autophagy
Int Immunopharmacol
Studies have confirmed that the heart is the main target organ of lipopolysaccharide (LPS) attacks, and 14-3-3γ and protein kinase C epsilon (PKCε) are the endogenous protective proteins. Puerarin (Pue) is the major bioa
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Record Fields
Scalar fields from the final reference record.
- Reference Id
- 6091
- Evidence Id
- 22681
- Core Evidence Id
- 22681
- Source Reference Id
- 5450
- Herb2 Reference Id
- HBREF006247
- Subject Paper Key
- HBIN041253_35729836
- Pubmed Id
- 35729836
- Doi
- 10.1016/j.intimp.2022.108905
- Paper Title
- Puerarin attenuates lipopolysaccharide-induced myocardial injury via the 14-3-3γ/PKCε pathway activating adaptive autophagy
- Paper Abstract
- Studies have confirmed that the heart is the main target organ of lipopolysaccharide (LPS) attacks, and 14-3-3γ and protein kinase C epsilon (PKCε) are the endogenous protective proteins. Puerarin (Pue) is the major bioactive ingredient isolated from the root of Pueraria lobata. It possesses many pharmacological properties, which has been widely used in the treatment and adjuvant therapy of cardio- and cerebrovascular diseases and cancer, etc. The study intended to explore the effects and mechanism of Pue pretreatment to protect myocardium against LPS injury. Adult mice and primary cultured neonatal rat cardiomyocytes were pretreated with Pue, and the injury model was made with LPS. Results showed that Pue pretreatment alleviated LPS-induced injury, as demonstrated by increased cell viability, decreased LDH activity and apoptosis, inhibited excess oxidative stress and the inflammatory cytokine release, and maintained mitochondrial function. Furthermore, Pue pretreatment upregulated 14-3-3γ expression, interacted with PKCε, which was phosphorylated and impelled migration to mitochondria, and then activated adaptive autophagy and protected the myocardium. However, pAD/14-3-3γ-shRNA or 3-MA (an autophagy inhibitor) could weaken the above effects of Pue pretreatment. Together, Pue pretreatment could activate adaptive autophagy by the 14-3-3γ/PKCε pathway and protect the myocardium against LPS injury.
- Journal
- Int Immunopharmacol
- Publish Year
- 2022
- Experiment Subject
- mouse; rat
- Experiment Type
- Animal & Cell Experiment
- Phenotype Related
- Cancer; Cardio- And Cerebrovascular Diseases; Lps Injury
- Paper Title Cn
- Paper Title En
- Puerarin attenuates lipopolysaccharide-induced myocardial injury via the 14-3-3γ/PKCε pathway activating adaptive autophagy
- Bilingual Status
- semi_complete