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Abstract Title:

[Potentiated effects of total saponins of Panax Ginseng on inhibition of leukemic cells by cytotoxic drugs].

Abstract Source:

Zhongguo Zhong Xi Yi Jie He Za Zhi. 1999 Jan;19(1):17-9. PMID: 11783253

Abstract Author(s):

R Gao, J Jin, Y Niu

Abstract:

OBJECTIVE: To investigate the potentiated effects of total saponins of Panax Ginseng (TSPG) on inhibition of leukemic progenitor cells by cytotoxic drugs in acute myelocytic leukemia. METHODS: Using bone marrow culture of colony forming unite-acute myeloid leukemia (CFU-AML) method, the sensitivity of leukemic cells obtained from 18 patients to homoharringtonin (HHr), cytarabine (Ara), adriamycin (Adr) and etoposide (VP-16) were detected separately. RESULTS: TSPG alone (20 micrograms/ml) could stimulate proliferation of CFU-AML obviously, and increase the colony numbers by 37.98% over the non-TSPG control (P < 0.01). In the presence of TSPG, the inhibition rates of CFU-AML of HHr, Ara, Adr and VP-16 were 51.2%-62.0% respectively, which were significantly higher than 30.4%-47.4% of non-TSPG control (all P < 0.01). In the combination of TSPG with cytotoxic drugs, the leukemic progenitor cells became more sensitive to cytotoxic drugs, CFU-AML colony numbers at 1.84-2.23 fold as more as those of non-TSPG control were inhibited by HHr, Ara, Adr and VP-16. Sensitivity test of 17 among 72 drugs reversed from resistant (suppression rate less than 30%) to sensitive (suppression rate more than 30%) by TSPG. CONCLUSIONS: TSPG could drive non-cycling leukemic progenitors to enter cell cycle, and thereby enhance their susceptibility to cytotoxic drugs.

Study Type : Animal Study

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