ReferenceID 5902

Ophiopogonin D Increases SERCA2a Interaction with Phospholamban by Promoting CYP2J3 Upregulation

Oxid Med Cell Longev

Ophiopogonin D (OPD), a compound from the Chinese herb Radix Ophiopogonis, reportedly induces increased levels of cytochrome P450 2J3 (CYP2J3)/epoxyeicosatrienoic acids (EETs) and Ca2+ in rat cardiomyocytes. Little is kn

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Reference Id
5902
Evidence Id
22492
Core Evidence Id
22492
Source Reference Id
5063
Herb2 Reference Id
HBREF005860
Subject Paper Key
HBIN038205_33488937
Pubmed Id
33488937
Doi
10.1155/2020/8857906
Paper Title
Ophiopogonin D Increases SERCA2a Interaction with Phospholamban by Promoting CYP2J3 Upregulation
Paper Abstract
Ophiopogonin D (OPD), a compound from the Chinese herb Radix Ophiopogonis, reportedly induces increased levels of cytochrome P450 2J3 (CYP2J3)/epoxyeicosatrienoic acids (EETs) and Ca2+ in rat cardiomyocytes. Little is known regarding the specific mechanism between CYP2J3 and Ca2+ homeostasis. Here, we investigated whether CYP2J3 is involved in the protective action of OPD on the myocardium by activating the Ca2+ homeostasis-related protein complex (SERCA2a and PLB) in H9c2 rat cardiomyoblast cells. The interaction between SERCA2a and PLB was measured using fluorescence resonance energy transfer. OPD attenuated heart failure and catalyzed the active transport of Ca2+ into the sarcoplasmic reticulum by inducing the phosphorylation of PLB and promoting the SERCA2a activity. These beneficial effects of OPD on heart failure were abolished after knockdown of CYP2J3 in a model of heart failure. Together, our results identify CYP2J3 as a critical intracellular target for OPD and unravel a mechanism of CYP2J3-dependent regulation of intracellular Ca2+.
Journal
Oxid Med Cell Longev
Publish Year
2020
Experiment Subject
rat; h9c2 rat cardiomyoblast cells
Experiment Type
Cell Experiment
Phenotype Related
Heart Failure
Paper Title Cn
Paper Title En
Ophiopogonin D Increases SERCA2a Interaction with Phospholamban by Promoting CYP2J3 Upregulation
Bilingual Status
semi_complete