OSTEOPOROSIS / CLINICAL RESEARCH
 
KEYWORDS
TOPICS
ABSTRACT
Introduction:
Osteosarcoma (OS) remains a formidable malignancy, characterized by its relentless nature and limited therapeutic interventions. YTHDF3, a key reader protein recognizing m6A-modified mRNAs, has attracted considerable attention due to its prominent role in cancer biology. This study investigated the relationship between YTHDF3, a vital RNA modification reader protein, m6A RNA modification, and the FSP1-CoQ10-NADPH metabolic pathway in the pathogenesis of OS.

Material and methods:
Firstly, we procured tissue specimens and corresponding non-cancerous tissues from 10 OS patients and cultured OS cell lines. Then, we established a ferroptosis model in OS cells through treatment with RSL3 to reveal the relation between YTHDF3 and ferroptosis.

Results:
Clinical evaluation of OS samples revealed a notable upsurge in the expression of YTHDF3 and the concurrent overexpression of ferroptosis-related proteins. In vitro experiments suggested that YTHDF3 potentially facilitated FSP1 mRNA translation through an m6A-dependent mechanism, subsequently inhibiting ferroptosis via the FSP1-CoQ10-NADPH pathway, thereby promoting OS progression. These compelling findings underscore the promise of targeting the YTHDF3-FSP1 axis as an innovative and potentially transformative therapeutic strategy for the treatment of OS.

Conclusions:
This study not only enhances our understanding of ferroptosis regulation but also sheds light on the significance of YTHDF3 and FSP1 as potential targets for therapeutic intervention in OS, offering new prospects for cancer treatment strategies.
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ISSN:1734-1922
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