Key result
Breast cancer and IHD mutually exacerbate each other via systemic inflammation and MI-accelerated tumor progression.
Why the study?
The crosstalk between breast cancer and ischemic heart disease complicates treatment and reduces survival for both conditions, but their mutual influence and underlying mechanisms required exploration.
This review emphasizes the complex bidirectional crosstalk between breast cancer and ischemic heart disease, highlighting the need for integrated management strategies in cardio-oncology.
In recent years, the continuous optimization of anti-tumor therapy has greatly improved the cancer-specific survival rate for patients with breast cancer (BC). The prevention and treatment of breast cancer-related heart diseases have become a new breakthrough in improving the long-term survival for BC patient. The cardiac damages caused by BC treatment are increasingly prominent among BC patients, of which ischemic heart disease (IHD) is the most prominent. Besides, the systemic inflammatory response activated by tumor microenvironment c an induce and exacerbate IHD and increase the risk of myocardial infarction (MI). Conversely, IHD can also exert detrimental effects on tumors. MI not only increases the risk of BC, but also induces specialized immune cell to BC and accelerates the progression of BC. Meanwhile, the treatment of IHD can also promote BC metastasis and transition to more aggressive phenotypes. Although BC and IHD are diseases of two independent systems, their crosstalk increases the difficulty of anti-cancer treatment and IHD management, which reduces the survival for both diseases. Therefore, this review mainly explores the mutual influence and underlying mechanisms between BC and IHD, aiming to provide insights for improving the long-term survival for patients with BC or IHD.
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Luo et al. (2025) conducted a review in Breast cancer and ischemic heart disease. The crosstalk between breast cancer and ischemic heart disease exacerbates both conditions, as systemic inflammation from tumors worsens heart disease while myocardial infarction accelerates tumor progression.
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