February 1989, Vol 124, No. 2 >

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ARTICLE | February 1989

Partial Hepatectomy Augments the Liver's Antitumor Response

Ralph Doerr, MD; Manuel Castillo, MD; Paul Evans, MS; Norman Paolini, MS; Martin Goldrosen, PhD; Stephan A. Cohen, PhD

Arch Surg. 1989;124(2):170-174. doi:10.1001/archsurg.1989.01410020040006.

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• Despite adequate locoregional control, colorectal metastasis to the liver remains a significant cause of death. Resection of hepatic metastasis improves five-year survival 18% to 34%. A study of the impact of 40% partial hepatectomy on cytokine production in the liver was undertaken. Nonparenchymal liver cells (NPCs) were prepared by collagenase perfusion and metrizamide gradient from partially hepatectomized and laparotomized control C57BL/6Ros mice. Nonparenchymal cell from partially hepatectomized mice compared with laparotomized mice showed a twofold to threefold increase in interferon (IFN) activity. Both interferon alpha/beta and supernatants from cultured NPCs of partially hepatectomized mice suppressed the proliferation of liver-derived MCA-38 colon adenocarcinoma cells in vitro. This tumor has been shown to metastasize to the liver of C57BL/6Ros mice. The production of various cytokines by NPCs induced by partial hepatectomy may provide a possible antimetastatic mechanism.

(Arch Surg 1989;124:170-174)

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Doerr R, Castillo M, Evans P, Paolini N, Goldrosen M, Cohen SA. Partial Hepatectomy Augments the Liver's Antitumor Response. Arch Surg. 1989;124(2):170-174. doi:10.1001/archsurg.1989.01410020040006.

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