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Article Publish Status: FREE
Abstract Title:

Bufalin Enhances Immune Responses in Leukemic Mice Through Enhancing Phagocytosis of Macrophage.

Abstract Source:

In Vivo. 2018 Sep-Oct;32(5):1129-1136. PMID: 30150435

Abstract Author(s):

Yung-Luen Shih, Jiann-Shang Chou, Yung-Liang Chen, Shu-Ching Hsueh, Hsueh-Yu Chung, Mei-Hui Lee, Chao-Ping Chen, Ming-Zhe Lee, Hsin-Tu Hou, Hsu-Feng Lu, Kuo-Wei Chen, Jing-Gung Chung

Article Affiliation:

Yung-Luen Shih

Abstract:

BACKGROUND/AIM: Bufalin, bufadienolide present in Chan Su, has been shown to induce cancer cell apoptosis in many human cancer cells, including human leukemia cells, but its effects on immune responses are unknown.

MATERIALS AND METHODS: This study investigated whether bufalin affected immune responses of mice with WEHI-3 cell-generated leukemia in vivo. BALB/c mice were intraperitoneally injected with WEHI-3 cells to develop leukemia and then were treated with oral treatment with bufalin at different doses (0, 0.1, 0.2 and 0.4 mg/kg) for 2 weeks. At the end of treatment, all mice were weighted and blood was collected; liver and spleen tissues were collected for cell marker, phagocytosis, natural killer (NK) cell activity and T- and B-cell proliferation measurements by using flow cytometric assays.

RESULTS: When compared with the leukemia control group, bufalin increased the body weight, but reduced liver and spleen weights, and reduced CD3, CD16 and Mac-3 cell markers at 0.4 mg/kg treatment and increased CD11b marker at 0.1 and 0.2 mg/kg treatment. Furthermore, bufalin at 0.4 mg/kg increased phagocytosis by macrophages isolated from peripheral blood mononuclear cells and at 0.1 mg/kg by those from the peritoneal cavity. Bufalin (0.2 and 0.4 mg/kg) increased NK cell cytotoxic activity at effector:target ratio of 50:1. Bufalin increased B-cell proliferation at 0.1 and 0.2 mg/kg treatment but only increased T-cell proliferation at 0.1 mg/kg. Bufalin increased glutamate oxaloacetate transaminase level at all dose treatments, increased glutamic pyruvic transaminase level only at 0.1 mg/kg treatment, but reduced the level of lactate dehydrogenase at all dose levels in mice with WEHI-3 cell-induced leukemia in vivo.

CONCLUSION: Bufalin increased immune responses by enhancing phagocytosis in mice with leukemia mice.

Study Type : Animal Study
Additional Links
Pharmacological Actions : Immunomodulatory : CK(4048) : AC(1475)

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