Ceramide-Induced Lysosomal Biogenesis and Exocytosis in Early-Onset Preeclampsia Promotes Exosomal Release of SMPD1 Causing Endothelial Dysfunction.

SMPD1 exosomes lysosomes placenta preeclampsia

Journal

Frontiers in cell and developmental biology
ISSN: 2296-634X
Titre abrégé: Front Cell Dev Biol
Pays: Switzerland
ID NLM: 101630250

Informations de publication

Date de publication:
2021
Historique:
received: 12 01 2021
accepted: 06 04 2021
entrez: 21 5 2021
pubmed: 22 5 2021
medline: 22 5 2021
Statut: epublish

Résumé

Aberrant ceramide build-up in preeclampsia, a serious disorder of pregnancy, causes exuberant autophagy-mediated trophoblast cell death. The significance of ceramide accumulation for lysosomal biogenesis in preeclampsia is unknown. Here we report that lysosome formation is markedly increased in trophoblast cells of early-onset preeclamptic placentae, in particular in syncytiotrophoblasts. This is accompanied by augmented levels of transcription factor EB (TFEB).

Identifiants

pubmed: 34017832
doi: 10.3389/fcell.2021.652651
pmc: PMC8130675
doi:

Types de publication

Journal Article

Langues

eng

Pagination

652651

Subventions

Organisme : NICHD NIH HHS
ID : R01 HD089660
Pays : United States

Informations de copyright

Copyright © 2021 Ermini, Farrell, Alahari, Ausman, Park, Sallais, Melland-Smith, Porter, Edson, Nevo, Litvack, Post and Caniggia.

Déclaration de conflit d'intérêts

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

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Auteurs

Leonardo Ermini (L)

Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada.

Abby Farrell (A)

Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada.
Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada.

Sruthi Alahari (S)

Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada.

Jonathan Ausman (J)

Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada.
Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada.

Chanho Park (C)

Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada.
Department of Physiology, University of Toronto, Toronto, ON, Canada.

Julien Sallais (J)

Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada.

Megan Melland-Smith (M)

Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada.

Tyler Porter (T)

Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada.

Michael Edson (M)

Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada.

Ori Nevo (O)

Sunnybrook Health Sciences Centre, Toronto, ON, Canada.

Michael Litvack (M)

Translational Medicine Program, Peter Gilgan Center, The Hospital for Sick Children, Toronto, ON, Canada.

Martin Post (M)

Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada.
Department of Physiology, University of Toronto, Toronto, ON, Canada.
Translational Medicine Program, Peter Gilgan Center, The Hospital for Sick Children, Toronto, ON, Canada.

Isabella Caniggia (I)

Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada.
Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada.
Department of Physiology, University of Toronto, Toronto, ON, Canada.
Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON, Canada.

Classifications MeSH