Cells, Volume 14, Issue 6
2025 March-2 - 79 articles
Cover Story: Two Drosophila antimicrobial peptides (AMPs), Cecropin A and Drosocin, are induced in the body fat of multiple sex combs (mxc) mutant larvae with tumors in hematopoietic tissues depending on the Toll- and Imd-mediated innate immune pathways. Overexpression of the AMPs suppressed tumor growth via apoptosis induction in the mutant but not in normal tissues, indicating anti-tumor properties. The injection of synthetic Cecropin also induced apoptosis in the tumors. The AMPs were incorporated into the macrophage-like cells in mutant but not normal larvae. Another AMP, Drosomycin, was taken up via phagocytosis factors, Draper and Shark. Enhanced phosphatidylserine signals were observed on the tumor surface. Inhibition of the exposed signals enhanced tumor growth. AMPs may target the signals to induce apoptosis to execute their tumor-specific effects. View this paper - Issues are regarded as officially published after their release is announced to the table of contents alert mailing list .
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