What question did this study set out to answer?

This research aims to evaluate the therapeutic potential of Photobacterium angustum in enhancing antitumor immunity against colorectal cancer.

Systemic administration of Photobacterium angustum promotes antitumor immunity and direct tumor lysis in murine models of colorectal cancer

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Bacterial immunotherapy enhances immune responses and direct tumor lysis in colorectal cancer, suggesting a new treatment avenue.

This research aims to evaluate the therapeutic potential of Photobacterium angustum in enhancing antitumor immunity against colorectal cancer.
Screened marine bacterial strains for antitumor activity in mouse models of colorectal cancer
Evaluated tumor colonization and immune responses after intravenous administration of P. angustum
Assessed biosafety through serum cytokine profiling and hematological analysis
P. angustum significantly prolonged survival in tumor-bearing mice
Enhanced infiltration of T cells, B cells, and neutrophils in the tumor microenvironment
Demonstrated intrinsic oncolytic activity contributing to tumor cell lysis

Miyahara et al. (2025) studied this question.

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