Investigator

Hongbo Zhao

Fudan University

HZHongbo Zhao
Papers(2)
Ct-OATP1B3 promotes h…Ferroptosis in ovaria…
Collaborators(3)
Lanxiang WuYan DuYufang Zheng
Institutions(4)
Fudan UniversityChongqing Medical Uni…Obstetrics And Gyneco…Obstetrics and Gyneco…

Papers

Ct-OATP1B3 promotes high-grade serous ovarian cancer metastasis by regulation of fatty acid beta-oxidation and oxidative phosphorylation

AbstractHigh-grade serous ovarian cancer (HGSOC) is the most lethal gynecologic malignancy mainly due to its extensive metastasis. Cancer-type organic anion transporting polypeptide 1B3 (Ct-OATP1B3), a newly discovered splice variant of solute carrier organic anion transporter family member 1B3 (SLCO1B3), has been reported to be overexpressed in several types of cancer. However, the biological function of Ct-OATP1B3 remains largely unknown. Here, we reveal that Ct-OATP1B3 is overexpressed in HGSOC and promotes the metastasis of HGSOC in vivo and in vitro. Mechanically, Ct-OATP1B3 directly interacts with insulin-like growth factor 2 mRNA-binding protein 2 (IGF2BP2), an RNA-binding protein, which results in enhancement of the mRNA stability and expression of carnitine palmitoyltransferase 1A (CPT1A) and NADH:Ubiquinone Oxidoreductase Subunit A2 (NDUFA2), leading to increased mitochondrial fatty acid beta-oxidation (FAO) and oxidative phosphorylation (OXPHOS) activities. The increased FAO and OXPHOS activities further facilitate adenosine triphosphate (ATP) production and cellular lamellipodia formation, which is the initial step in the processes of tumor cell migration and invasion. Taken together, our study provides an insight into the function and underlying mechanism of Ct-OATP1B3 in HGSOC metastasis, and highlights Ct-OATP1B3 as a novel prognostic marker as well as therapeutic target in HGSOC.

Ferroptosis in ovarian cancer: Regulation, immunity, and therapeutic potential with the tumor microenvironment.

Ferroptosis, an iron-dependent form of regulated cell death driven by lipid peroxidation, represents a pivotal and translationally promising target in ovarian cancer management. This review systematically explores the dual role of ferroptosis in inhibiting tumor growth while simultaneously promoting immune evasion and cancer recurrence. We synthesize current evidence on the dynamic interplay between ferroptosis, tumor progression, and the immunosuppressive tumor microenvironment in ovarian cancer. We highlight key biological features of ovarian cancer, including its iron-rich ascites and lipid-abundant omentum, create a unique context for ferroptosis modulation. Crucially, ferroptosis not only influences cancer cell survival and chemoresistance but also profoundly shapes antitumor immunity by affecting T cell function, macrophage polarization, and dendritic cell activity. We discuss how targeting ferroptosis through inducers, nanoparticle delivery systems, or combination with PARPi and immunotherapy can overcome cisplatin and PARPi resistance and reverse immunosuppression. Despite clinical challenges such as heterogeneity and recurrent disease, ferroptosis-related gene signatures and emerging noninvasive detection methods offer avenues for patient stratification. We conclude that integrating ferroptosis-targeted strategies into the therapeutic arsenal holds significant potential to improve outcomes for ovarian cancer patients.

1Works
2Papers
3Collaborators