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Minimal dosing of leukocyte targeting TRAIL decreases triple-negative breast cancer metastasis following tumor resection.


ABSTRACT: Surgical removal of the primary tumor is a common practice in breast cancer treatment. However, postsurgical metastasis poses an immense setback in cancer therapy. Considering that 90% of cancer-related deaths are due to metastasis, antimetastatic therapeutic strategies that can target disseminating tumor cells in the circulation before they can form secondary tumors hold preclinical and clinical potential for cancer patients. Our current work uses a liposomal formulation functionalized with the adhesion receptor E-selectin and the apoptosis-inducing ligand TNF (tumor necrosis factor)-related apoptosis-inducing ligand (TRAIL) to reduce metastasis following tumor resection in an aggressive triple-negative breast cancer (TNBC) mouse model. We demonstrate that minimal administration of E-selectin-TRAIL liposomes can target metastasis in a TNBC model, with primary tumor resection to mimic clinical settings. Our study indicates that TRAIL liposomes, alone or in combination with existing clinically approved therapies, may neutralize distant metastasis of a broad range of tumor types systemically.

SUBMITTER: Jyotsana N 

PROVIDER: S-EPMC6656540 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Minimal dosing of leukocyte targeting TRAIL decreases triple-negative breast cancer metastasis following tumor resection.

Jyotsana Nidhi N   Zhang Zhenjiang Z   Himmel Lauren E LE   Yu Fang F   King Michael R MR  

Science advances 20190724 7


Surgical removal of the primary tumor is a common practice in breast cancer treatment. However, postsurgical metastasis poses an immense setback in cancer therapy. Considering that 90% of cancer-related deaths are due to metastasis, antimetastatic therapeutic strategies that can target disseminating tumor cells in the circulation before they can form secondary tumors hold preclinical and clinical potential for cancer patients. Our current work uses a liposomal formulation functionalized with the  ...[more]

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