Pitavastatin may suppress skin and pancreatic cancers by blocking inflammatory protein, indicates study
A new study led by investigators from Mass General Cancer Center, a founding member of the Mass General Brigham healthcare system, reveals that statins-commonly used cholesterol-lowering drugs-may block a particular pathway involved in the development of cancer that results from chronic inflammation. The findings are published in Nature Communications.
“Chronic inflammation is a major cause of cancer worldwide,” said senior author Shawn Demehri, MD, PhD, a principal investigator at the Center for Cancer Immunology and Cutaneous Biology Research Center of Massachusetts General Hospital and an associate professor of Dermatology at Harvard Medical School. “We investigated the mechanism by which environmental toxins drive the initiation of cancer-prone chronic inflammation in the skin and pancreas,” says Demehri, who is also the Bob and Rita Davis Family MGH Research Scholar 2023-2028. “Furthermore, we examined safe and effective therapies to block this pathway in order to suppress chronic inflammation and its cancer aftermath.”
Demehri and his colleagues’ study relied on cell lines, animal models, human tissue samples and epidemiological data. The group’s cell-based experiments demonstrated that environmental toxins (such as exposure to allergens and chemical irritants) activate two connected signaling pathways called the TLR3/4 and TBK1-IRF3 pathways. This activation leads to the production of the interleukin-33 (IL-33) protein, which stimulates inflammation in the skin and pancreas that can contribute to the development of cancer.
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