The HDL particle composition determines its antitumor activity in pancreatic cancer.
Journal
Life science alliance
ISSN: 2575-1077
Titre abrégé: Life Sci Alliance
Pays: United States
ID NLM: 101728869
Informations de publication
Date de publication:
09 2022
09 2022
Historique:
received:
25
11
2021
revised:
02
05
2022
accepted:
03
05
2022
entrez:
16
5
2022
pubmed:
17
5
2022
medline:
20
5
2022
Statut:
epublish
Résumé
Despite enormous efforts to improve therapeutic options, pancreatic cancer remains a fatal disease and is expected to become the second leading cause of cancer-related deaths in the next decade. Previous research identified lipid metabolic pathways to be highly enriched in pancreatic ductal adenocarcinoma (PDAC) cells. Thereby, cholesterol uptake and synthesis promotes growth advantage to and chemotherapy resistance for PDAC tumor cells. Here, we demonstrate that high-density lipoprotein (HDL)-mediated efficient cholesterol removal from cancer cells results in PDAC cell growth reduction and induction of apoptosis in vitro. This effect is driven by an HDL particle composition-dependent interaction with SR-B1 and ABCA1 on cancer cells. AAV-mediated overexpression of APOA1 and rHDL injections decreased PDAC tumor development in vivo. Interestingly, plasma samples from pancreatic-cancer patients displayed a significantly reduced APOA1-to-SAA1 ratio and a reduced cholesterol efflux capacity compared with healthy donors. We conclude that efficient, HDL-mediated cholesterol depletion represents an interesting strategy to interfere with the aggressive growth characteristics of PDAC.
Identifiants
pubmed: 35577388
pii: 5/9/e202101317
doi: 10.26508/lsa.202101317
pmc: PMC9112193
pii:
doi:
Substances chimiques
Cholesterol
97C5T2UQ7J
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
© 2022 Oberle et al.
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