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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

α-Tomatine inhibits growth and induces apoptosis in HL-60 human myeloid leukemia cells.

Abstract Source:

Mol Med Rep. 2015 Jun ;11(6):4573-8. Epub 2015 Jan 22. PMID: 25625536

Abstract Author(s):

Huarong Huang, Shaohua Chen, Jeremiah Van Doren, Dongli Li, Chelsea Farichon, Yan He, Qiuyan Zhang, Kun Zhang, Allan H Conney, Susan Goodin, Zhiyun Du, Xi Zheng

Article Affiliation:

Huarong Huang

Abstract:

α‑Tomatine is a glycoalkaloid that occurs naturally in tomatoes (Lycopersicon esculentum). In the present study, the effects of α‑tomatine on human myeloid leukemia HL‑60 cells were investigated. Treatment of HL‑60 cells with α‑tomatine resulted in growth inhibition and apoptosis in a concentration‑dependent manner. Tomatidine, the aglycone of tomatine had little effect on the growth and apoptosis of HL‑60 cells. Growth inhibition and apoptosis induced by α‑tomatine in HL‑60 cells was partially abrogated by addition of cholesterol indicating that interactions between α‑tomatine and cell membrane‑associated cholesterol may be important in mediating the effect of α‑tomatine. Activation of nuclear factor‑κB by the phorbol ester, 12‑O‑tetradecanoylphorbol‑13‑acetate failed to prevent apoptosis in HL‑60 cells treated with α‑tomatine. In animal experiments, it was found that treatment of mice with α‑tomatine inhibited the growth of HL‑60 xenografts in vivo. Results from the present study indicated that α‑tomatine may have useful anti‑leukemia activities.

Study Type : Animal Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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