Plumbagin rescues the granulosa cell’s pyroptosis by reducing WTAP-mediated N6-methylation in polycystic ovary syndrome

Abstract The survival of ovary granulosa cells (GC) is critical in the initiation and progression of polycystic ovary syndrome (PCOS) in females. Here, we found that the PCOS process is accompanied by massive GC pyroptosis resulting from Caspase-1 inflammasome activation. Administration of plumbagin...

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Main Authors: Zhaowei Cai, Shaojuan He, Rongju Liu, Liling Zhou, Li Zhao
Format: Article
Language:English
Published: BMC 2022-12-01
Series:Journal of Ovarian Research
Online Access:https://doi.org/10.1186/s13048-022-01058-1
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author Zhaowei Cai
Shaojuan He
Rongju Liu
Liling Zhou
Li Zhao
author_facet Zhaowei Cai
Shaojuan He
Rongju Liu
Liling Zhou
Li Zhao
author_sort Zhaowei Cai
collection DOAJ
description Abstract The survival of ovary granulosa cells (GC) is critical in the initiation and progression of polycystic ovary syndrome (PCOS) in females. Here, we found that the PCOS process is accompanied by massive GC pyroptosis resulting from Caspase-1 inflammasome activation. Administration of plumbagin, an effective compound isolated from plant medicine, can prevent the pyroptosis of GC and the onset of PCOS. Mechanistic study indicates the over-activation of the inflammasome in GC is due to the upregulation of WTAP, a key regulator of the RNA N6-methylase complex. WTAP mediates the mRNA N6-methylation of NLRP3 inflammasome component ASC and enhances ASC RNA stability, which results in the overactivation of the inflammasome in GCs from the PCOS model. Plumbagin treatment suppresses the WTAP-mediated N6-methylation of ASC mRNA and reduces the pyroptosis of GCs. This study supports the profound potential of plumbagin in PCOS treatment. Graphical Abstract
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spelling doaj.art-3887a96c793b4f32b9bf2ecb4d5920bf2023-01-03T03:06:12ZengBMCJournal of Ovarian Research1757-22152022-12-0115111510.1186/s13048-022-01058-1Plumbagin rescues the granulosa cell’s pyroptosis by reducing WTAP-mediated N6-methylation in polycystic ovary syndromeZhaowei Cai0Shaojuan He1Rongju Liu2Liling Zhou3Li Zhao4Reproductive Center, SSL central hospital of DongguanDepartment of clinical laboratory affiliated Dongguan hospital (Dongguan People’s Hospital), Southern Medical UniversityReproductive Center, SSL central hospital of DongguanReproductive Center, SSL central hospital of DongguanReproductive Center, SSL central hospital of DongguanAbstract The survival of ovary granulosa cells (GC) is critical in the initiation and progression of polycystic ovary syndrome (PCOS) in females. Here, we found that the PCOS process is accompanied by massive GC pyroptosis resulting from Caspase-1 inflammasome activation. Administration of plumbagin, an effective compound isolated from plant medicine, can prevent the pyroptosis of GC and the onset of PCOS. Mechanistic study indicates the over-activation of the inflammasome in GC is due to the upregulation of WTAP, a key regulator of the RNA N6-methylase complex. WTAP mediates the mRNA N6-methylation of NLRP3 inflammasome component ASC and enhances ASC RNA stability, which results in the overactivation of the inflammasome in GCs from the PCOS model. Plumbagin treatment suppresses the WTAP-mediated N6-methylation of ASC mRNA and reduces the pyroptosis of GCs. This study supports the profound potential of plumbagin in PCOS treatment. Graphical Abstracthttps://doi.org/10.1186/s13048-022-01058-1
spellingShingle Zhaowei Cai
Shaojuan He
Rongju Liu
Liling Zhou
Li Zhao
Plumbagin rescues the granulosa cell’s pyroptosis by reducing WTAP-mediated N6-methylation in polycystic ovary syndrome
Journal of Ovarian Research
title Plumbagin rescues the granulosa cell’s pyroptosis by reducing WTAP-mediated N6-methylation in polycystic ovary syndrome
title_full Plumbagin rescues the granulosa cell’s pyroptosis by reducing WTAP-mediated N6-methylation in polycystic ovary syndrome
title_fullStr Plumbagin rescues the granulosa cell’s pyroptosis by reducing WTAP-mediated N6-methylation in polycystic ovary syndrome
title_full_unstemmed Plumbagin rescues the granulosa cell’s pyroptosis by reducing WTAP-mediated N6-methylation in polycystic ovary syndrome
title_short Plumbagin rescues the granulosa cell’s pyroptosis by reducing WTAP-mediated N6-methylation in polycystic ovary syndrome
title_sort plumbagin rescues the granulosa cell s pyroptosis by reducing wtap mediated n6 methylation in polycystic ovary syndrome
url https://doi.org/10.1186/s13048-022-01058-1
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