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Modulation of ACE2/Ang1-7/Mas and ACE/AngII/AT1 axes affects anticancer properties of sertraline in MCF-7 breast
Reihaneh Fatehi1, Mohammad Nouraei2,1, Morteza Panahiyan2,1
1Department of Pharmacology & Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
Abstract:
The renin-angiotensin system (RAS) is best known for playing a major role in maintaining the physiology of the cardiovascular system. Dysregulation of the RAS pathway has been proposed as a link to some malignancies and contributes to cancer metastasis. Breast cancer is considered as one of the leading causes of cancer death in women and its prevention remains yet a challenge. Elements of RAS are expressed in both normal breast tissue and cancerous cells, signifying the essential role of RAS in breast cancer pathology. Sertraline, a widely used antidepressant, has shown anti-proliferative properties on a variety of malignancies. This study aimed to investigate the effect of sertraline and its combination with agonists and antagonists of RAS (A779, Ang 1-7 and losartan) on viability of MCF-7 cells along with their effect on apoptosis and distribution of cell cycle. Our results indicated that sertraline, losartan and Ang 1-7 significantly decreased cell viability, induced apoptosis and cell cycle arrest. A779 blunted the effect of sertraline on cell viability, ROS generation and cell cycle arrest. Combination treatment of sertraline with losartan as well as Ang 1-7 caused a remarkable decline in cell viability. In conclusion, results of the present study support the anti-cancer properties of sertraline, losartan and Ang 1-7 via induction of apoptosis and cell cycle arrest.
Insights
Sertraline and related renin-angiotensin system (RAS) drugs show anti-cancer effects against breast cancer cells. These compounds reduce cell viability and promote apoptosis, offering potential new strategies for breast cancer treatment.
Area of Science:
- Oncology
- Pharmacology
- Molecular Biology
Background:
- The renin-angiotensin system (RAS) is crucial for cardiovascular function but is implicated in cancer progression and metastasis.
- Breast cancer, a leading cause of cancer mortality in women, presents ongoing prevention challenges.
- RAS components are present in breast tissue, suggesting a role in cancer pathology.
Purpose of the Study:
- To investigate the anti-cancer effects of sertraline, an antidepressant with known anti-proliferative properties.
- To evaluate the impact of combining sertraline with RAS modulators (A779, Ang 1-7, losartan) on breast cancer cells.
- To assess the effects on cell viability, apoptosis, and cell cycle distribution in MCF-7 cells.
Main Methods:
- Treatment of MCF-7 breast cancer cells with sertraline, losartan, Ang 1-7, and A779, individually and in combination.
- Assessment of cell viability, apoptosis induction, and cell cycle distribution.
- Evaluation of reactive oxygen species (ROS) generation.
Main Results:
- Sertraline, losartan, and Ang 1-7 significantly reduced MCF-7 cell viability and induced apoptosis and cell cycle arrest.
- The RAS antagonist A779 diminished the effects of sertraline on cell viability, ROS generation, and cell cycle arrest.
- Combination therapy with sertraline and losartan or Ang 1-7 resulted in a substantial decrease in cell viability.
Conclusions:
- Sertraline exhibits anti-cancer properties against breast cancer cells.
- Losartan and Ang 1-7 also demonstrate anti-cancer effects, acting via apoptosis and cell cycle arrest.
- Targeting the RAS pathway in conjunction with sertraline may offer a promising therapeutic strategy for breast cancer.
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