Journal
FRONTIERS IN PHARMACOLOGY
Volume 13, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fphar.2022.1023719
Keywords
ovarian cancer; hyaluronic acid; MOF; HER2; epigenetic modification
Categories
Funding
- Natural Science Foundation of Guangxi Province
- [2018JJA140084]
- [2018GXNSFAA281170]
- [2019JJA140599]
- [2019GXNSFAA245095]
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In this study, hyaluronic acid-decorated metal-organic frameworks (HA@MOF@GSK-J1) were designed and prepared for the targeted delivery of GSK-J1 in the treatment of carboplatin-resistant ovarian cancer. The results showed that HA@MOF@GSK-J1 exhibited outstanding effectiveness in inhibiting ovarian cancer cells in vitro and induced apoptosis and reduced cell motility by attenuating HER2 activity through H3K27 methylation. In vivo experiments confirmed the better treatment efficacy of HA@MOF@GSK-J1 for carboplatin-resistant ovarian tumor xenografts. These findings highlight the potential of HA@MOF@GSK-J1 as an effective strategy to improve the treatment of carboplatin-resistant ovarian cancer.
Despite intensive research, ovarian cancer has the highest mortality rates among gynecological malignancies, partly because of its rapid acquisition of chemoresistance to platinum therapy. Hence, strategies are needed to effectively treat carboplatin-resistant ovarian cancer. In this study, we designed and prepared hyaluronic acid-decorated metal-organic frameworks for the targeted delivery of GSK-J1, a JMJD3 demethylase inhibitor (HA@MOF@GSK-J1) for the synergistic treatment of carboplatin-resistant ovarian cancer. HA@MOF@GSK-J1 showed outstanding effectiveness in the inhibition of ovarian cancer in vitro. Furthermore, HA@MOF@GSK-J1 demonstrated higher induction of apoptosis, reduced cell motility, and diminished cell spheroids by attenuating HER2 activity through the effectual activation of H3K27 methylation in its promoter area. Finally, our in vivo results confirmed that HA@MOF@GSK-J1 had better treatment efficacy for carboplatin-resistant ovarian tumor xenografts. Our results highlight the potential of HA@MOF@GSK-J1 as an effective strategy to improve the treatment of carboplatin-resistant ovarian cancer.
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