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Dual Role of Alchemilla vulgaris L. Extract in Breast Cancer Regression: Reestablishment of Effective Immune Response.
Pharmaceuticals 2024 Februrary 24
Ethnomedicinal records have long mentioned the historical usage of Alchemilla vulgaris L. in folk medicine, particularly for the treatment of gynecological issues. Building on this ethnomedicinal knowledge regarding female illnesses, the aim of this research was to evaluate the impact of ethanolic extract of A. vulgaris on mouse breast cancer cells (4T1) in vitro and in vivo, in addition to its effect on the immune compartment in the tumor microenvironment. Behind viability decrease of 4T1 cells induced by treatment with A. vulgaris extract was strong inhibition of cell proliferation accompanied by caspase-dependent apoptosis and autophagic cell death. Observed changes in 4T1 cell culture after treatment were well orchestrated and led to a reduction in metastatic potential through weakened adhesion, invasion, migration, and colony-forming abilities in vitro. Enhanced intracellular production of reactive oxygen and nitrogen species promoted by the treatment might interfere with all the observed effects. Apart from the direct effect on tumor cells, the A. vulgaris extract significantly reduced tumor growth in the solid orthotropic mammary carcinoma model through restitution of efficient local and systemic immune response reflected in enhanced antigen-presenting potential of dendritic cells (DCs) as well as the extent and activity of effector T cells.
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