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Cancer Related Molecular Mechanisms Research / Ferroptosis and Cancer Prognosis · Journal article
Communications Biology · September 9, 2026
Raises a question worth testing. It does not answer one.
This is a mechanistic investigation of a circular RNA pathway in epithelial ovarian cancer, demonstrating in vitro and PDX model evidence that hsa_circ_0009061 may suppress tumor growth and glycolysis through a TRIM21–MCCase–H3K36 crotonylation axis. The work is preclinical and exploratory; it raises a biological hypothesis but does not yet provide clinical evidence of efficacy or direct human translation.
Mechanistic in vitro and in vivo patient-derived xenograft (PDX) model study. Patient-derived xenograft (PDX) mouse model of epithelial ovarian cancer.. Intervention: AAV2/8 therapy targeting hsa_circ_0009061; sodium crotonate; AAV2/8 therapy targeting TRIM21..
Hsa_circ_0009061 acts as a tumor suppressor and inhibits EOC metastasis and glycolysis in mechanistic models. Hsa_circ_0009061 interacts with MCCC1 and MCCC2 to drive TRIM21-dependent ubiquitination-mediated degradation of MCCase. Increased H3K36cr level represses PFKP transcription to impede glycolytic flux.
Safety was not reported in the material analysed. Check the source before drawing any conclusion about harm.
This work identifies a potential therapeutic target (hsa_circ_0009061/MCCase axis) but remains exploratory. Clinicians should not yet consider this a treatment strategy; further preclinical validation and eventual clinical trials would be required before human application.
Mechanistic cell and animal study proposing a circRNA-protein-histone pathway in ovarian cancer; no clinical trial data, human efficacy endpoints, or comparison to standard therapy reported.
As stated by the source record.
This work identifies a potential therapeutic target (hsa_circ_0009061/MCCase axis) but remains exploratory. Clinicians should not yet consider this a treatment strategy; further preclinical validation and eventual clinical trials would be required before human application.
Graded across the dimensions that decide whether you should act, each from what the source actually supports. There is no single score, and where a dimension was not assessed it says so.
What is missing. This record has no reported figures. That is a gap in the analysis, not a judgement about the study.
Histone lysine crotonylation plays a pivotal role in gene transcription in diseases. However, the relationship between its levels and epithelial ovarian cancer (EOC) peritoneal metastasis remains unclear. Here, we report that the circular RNA hsa_circ_0009061 is crucial for 3-Methylcrotonyl-CoA carboxylase (MCCase)-mediated lysine crotonylation and glycolysis. Hsa_circ_0009061 acts as a tumor suppressor and inhibits EOC metastasis as well as glycolysis. Mechanistic analysis revealed that hsa_circ_0009061 interacts with Methylcrotonyl-CoA Carboxylase Subunit 1 (MCCC1) and Methylcrotonyl-CoA Carboxylase Subunit 2 (MCCC2) to drive the Tripartite Motif Containing 21 (TRIM21)-dependent ubiquitination-mediated degradation of MCCase, leading to an increase in the histone H3 lysine 36 crotonylation (H3K36cr) level. This change is regulated by Lysine Acetyltransferase 7 (KAT7), and the increase in H3K36cr represses the transcription of Phosphofructokinase Platelet (PFKP) to impede glycolytic flux. As a result, AAV2/8 therapy targeting hsa_circ_0009061 suppressed tumor growth in an EOC patient-derived xenograft (PDX) mouse model. Besides, sodium crotonate (NaCr), 2,5-Anhydro-D-glucitol-1,6-diphosphate and AAV2/8 therapy targeting TRIM21 influences the inhibitor effect of hsa_circ_0009061 on EOC tumor metastasis in the downstream of hsa_circ_0009061/MCCase axis. In summary, our study demonstrated that hsa_circ_0009061 suppresses EOC metastasis and glycolysis via MCCase-mediated H3K36cr and reveals a potential strategy for targeting hsa_circ_0009061/MCCase axis for EOC treatment. Mechanistic modeling of circRNA-protein sheds light on the effect of hsa_circ_0009061 on TRIM21-dependent ubiquitination of MCCase and their interactions in the context of H3K36cr-induced transcriptional program in epithelial ovarian cancer.
Taken from the source record, never inferred. Follow any of these and new work involving them reaches your briefing.