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Down-regulation of ACSM3 Promotes Tumorigenesis in Breast Cancer
Hong-Beum Kim1, Seong-Hun Kim2, Hee-Jeong Lee2
1Department of Premedical Course, Chosun University School of Medicine, Gwangju, Republic of Korea.
Background/Aim:
Breast cancer is one of the most frequently diagnosed cancers worldwide. This study aimed to investigate the biological function and clinical significance of acyl-CoA synthetase medium-chain family member 3 (ACSM3) in breast cancer.
Materials And Methods:
RNA-seq data analysis was performed to evaluate ACSM3 expression in breast cancer tissues compared with normal breast tissues. Functional studies, including migration and invasion assays in vitro, as well as orthotopic xenograft models in vivo, were conducted to assess the role of ACSM3 in breast cancer progression.
Results:
ACSM3 expression was significantly reduced in tumor tissues compared with normal breast tissues, with down-regulation observed in approximately 75% of cases. Over-expression of ACSM3 suppressed breast cancer cell migration and invasion and was associated with increased AKT phosphorylation. In xenograft models, ACSM3 over-expression inhibited tumor growth and metastatic potential.
Conclusion:
ACSM3 functions as a tumor suppressor in breast cancer by regulating the WNT/AKT signaling pathway, thereby inhibiting cell proliferation, migration, and invasion. These results suggest that ACSM3 may serve as a potential therapeutic target for breast cancer treatment.
Insights
Acyl-CoA synthetase medium-chain family member 3 (ACSM3) acts as a tumor suppressor in breast cancer. Its reduced expression promotes cancer progression, suggesting ACSM3 as a potential therapeutic target.
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Breast cancer is a leading global cancer diagnosis.
- Investigating novel molecular players in breast cancer is crucial for treatment advancements.
Purpose of the Study:
- To elucidate the biological function and clinical significance of acyl-CoA synthetase medium-chain family member 3 (ACSM3) in breast cancer.
- To determine the role of ACSM3 in breast cancer progression and its potential as a therapeutic target.
Main Methods:
- RNA-sequencing analysis to compare ACSM3 expression in breast cancer versus normal tissues.
- In vitro migration and invasion assays to assess cell behavior.
- In vivo orthotopic xenograft models to evaluate tumor growth and metastasis.
Main Results:
- ACSM3 expression is significantly downregulated in approximately 75% of breast tumors compared to normal tissues.
- Overexpression of ACSM3 inhibited breast cancer cell migration and invasion, correlating with increased AKT phosphorylation.
- In vivo studies demonstrated that ACSM3 overexpression suppressed tumor growth and metastatic potential.
Conclusions:
- ACSM3 functions as a tumor suppressor in breast cancer.
- ACSM3 regulates the WNT/AKT signaling pathway, inhibiting cancer cell proliferation, migration, and invasion.
- ACSM3 represents a potential therapeutic target for breast cancer treatment.
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