"Avemar pulvis" is a powder consisting of an aqueous extract of fermented wheat germ, with the drying aids maltodextrin and silicon dioxide, standardized to contain approximately 200 microg/g of the natural constituent 2,6-dimethoxy-p-benzoquinone. The results of toxicological and clinical studies of this product demonstrate its safety for its intended use as a dietary
supplement ingredient in the United States. Avemar pulvis has been used in Hungary since 1998 and is approved in that country, as well as in the Czech Republic, Bulgaria, and Romania, as a "medical nutriment for cancer patients." Acute and subacute toxicity studies using rodents orally administered Avemar pulvis showed that dose levels (2000 to 3000 mg/kg body weight [bw]/day) exceeding the normal recommended oral dosage (8.5 g/day or 121 mg/kg bw/day for a 70-kg individual) by up to approximately 25-fold caused no adverse effects. The test substance showed no evidence of mutagenicity or genotoxicity in vitro or in vivo. Clinical studies using Avemar pulvis as a supplement to drug therapy in cancer patients at doses of 8.5 g/day not only showed no evidence of toxicity, but also showed a reduction in the side effects of chemotherapy. Overall, it was concluded that Avemar pulvis would not be expected to cause adverse effects under the conditions of its intended use as an ingredient in dietary supplements.
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Fermented Wheat Germ
Avemar, a nontoxic fermented wheat germ extract, induces apoptosis and inhibits ribonucleotide reductase in human HL-60 promyelocytic leukemia cells
| Ammer K, Bernhaus A, Fritzer-Szekeres M, Grusch M, Horvath Z, Jaeger W, Krupitza G, Lackner A, Madlener S, Ozsvar-Kozma M, Saiko P, Szekeres T |
Avemar (MSC) is a nontoxic fermented wheat germ extract demonstrated to significantly improve the survival rate in patients suffering from various malignancies. We investigated its effects in human HL-60 promyelocytic leukemia cells. After 24, 48, and 72 h of incubation, Avemar inhibited the growth of HL-60 cells with IC50 values of 400, 190, and 160 microg/ml, respectively. Incubation with MSC caused dose-dependent induction of apoptosis in up to 85% of tumor cells. In addition, Avemar attenuated the progression from G2-M to G0-G1 phase of
the cell cycle and was also found to significantly reduce the in situ activity of ribonucleotide reductase, the key enzyme of de novo DNA synthesis. We conclude that Avemar exerts a number of beneficial effects which could support conventional chemotherapy of human malignancies.
| apoptosis, Avemar, Avemar pulvis, cell cycle, Dietary Supplement, DMBQ, Fermented Wheat Germ, HL-60 cells, Ribonucleotide reductase |
Avemar, a nontoxic fermented wheat germ extract, attenuates the growth of sensitive and 5-FdUrd/Ara-C cross-resistant H9 human lymphoma cells through induction of apoptosis
| Agarwal RP, Fritzer-Szekeres M, Graser G, Grusch M, Hidvégi M, Jaeger W, Kiss-Tóth E, Krupitza G, Lackner A, Madlener S, Ozsvar-Kozma M, Saiko P, Szekeres T |
Avemar (MSC) is a nontoxic fermented wheat germ extract, which has been shown to significantly improve the survival rate in patients suffering from various malignancies. We investigated its effects in sensitive and 5-FdUrd/Ara-C cross-resistant H9 human lymphoma cells. After 48 and 72 h of incubation, Avemar inhibited the growth of sensitive H9 cells with IC50 values of 290 and 200 microg/ml, whereas the growth of 5-FdUrd/Ara-C cross-resistant H9 cells was attenuated with IC50 values of 180 and 145 microg/ml, respectively. Treatment with 300 microg/ml MSC for 48 h caused dose-dependent induction of apoptosis in 48% of sensitive H9 cells. In cross-resistant H9 cells, incubation with 200 microg/ml Avemar for 48 h led to 41% of apoptotic tumor cells. Growth arrest of sensitive H9 cells after exposure to various concentrations of MSC occurred mainly in the S phase of the cell cycle, thereby increasing the cell population from 54 to 73% while depleting cells in the G0-G1 phase from 40 to 19%. Growth arrest in cross-resistant H9 cells occurred also mainly in the S phase, increasing the cell population from 45 to 68% while depleting cells in the G0-G1 phase from 45 to 31%. As MSC treatment likely overcomes 5-FdUrd/Ara-C resistance, further investigations to elucidate the exact mechanisms are warranted. We conclude that Avemar exerts a number of beneficial effects which could support conventional chemotherapy of human malignancies.
Avemar, a nontoxic fermented wheat germ extract, induces apoptosis and inhibits ribonucleotide reductase in human HL-60 promyelocytic leukemia cells
| Ammer K, Bernhaus A, Fritzer-Szekeres M, Grusch M, Horvath Z, Jaeger W, Krupitza G, Lackner A, Madlener S, Ozsvar-Kozma M, Saiko P, Szekeres T |
Avemar (MSC) is a nontoxic fermented wheat germ extract demonstrated to significantly improve the survival rate in patients suffering from various malignancies. We investigated its effects in human HL-60 promyelocytic leukemia cells. After 24, 48, and 72 h of incubation, Avemar inhibited the growth of HL-60 cells with IC50 values of 400, 190, and 160 microg/ml, respectively. Incubation with MSC caused dose-dependent induction of apoptosis in up to 85% of tumor cells. In addition, Avemar attenuated the progression from G2-M to G0-G1 phase of
the cell cycle and was also found to significantly reduce the in situ activity of ribonucleotide reductase, the key enzyme of de novo DNA synthesis. We conclude that Avemar exerts a number of beneficial effects which could support conventional chemotherapy of human malignancies.
| apoptosis, Avemar, Avemar pulvis, cell cycle, Dietary Supplement, DMBQ, Fermented Wheat Germ, HL-60 cells, Ribonucleotide reductase |
Avemar, a nontoxic fermented wheat germ extract, attenuates the growth of sensitive and 5-FdUrd/Ara-C cross-resistant H9 human lymphoma cells through induction of apoptosis
| Agarwal RP, Fritzer-Szekeres M, Graser G, Grusch M, Hidvégi M, Jaeger W, Kiss-Tóth E, Krupitza G, Lackner A, Madlener S, Ozsvar-Kozma M, Saiko P, Szekeres T |
Avemar (MSC) is a nontoxic fermented wheat germ extract, which has been shown to significantly improve the survival rate in patients suffering from various malignancies. We investigated its effects in sensitive and 5-FdUrd/Ara-C cross-resistant H9 human lymphoma cells. After 48 and 72 h of incubation, Avemar inhibited the growth of sensitive H9 cells with IC50 values of 290 and 200 microg/ml, whereas the growth of 5-FdUrd/Ara-C cross-resistant H9 cells was attenuated with IC50 values of 180 and 145 microg/ml, respectively. Treatment with 300 microg/ml MSC for 48 h caused dose-dependent induction of apoptosis in 48% of sensitive H9 cells. In cross-resistant H9 cells, incubation with 200 microg/ml Avemar for 48 h led to 41% of apoptotic tumor cells. Growth arrest of sensitive H9 cells after exposure to various concentrations of MSC occurred mainly in the S phase of the cell cycle, thereby increasing the cell population from 54 to 73% while depleting cells in the G0-G1 phase from 40 to 19%. Growth arrest in cross-resistant H9 cells occurred also mainly in the S phase, increasing the cell population from 45 to 68% while depleting cells in the G0-G1 phase from 45 to 31%. As MSC treatment likely overcomes 5-FdUrd/Ara-C resistance, further investigations to elucidate the exact mechanisms are warranted. We conclude that Avemar exerts a number of beneficial effects which could support conventional chemotherapy of human malignancies.
Safety studies regarding a standardized extract of fermented wheat germ
"Avemar pulvis" is a powder consisting of an aqueous extract of fermented wheat germ, with the drying aids maltodextrin and silicon dioxide, standardized to contain approximately 200 microg/g of the natural constituent 2,6-dimethoxy-p-benzoquinone. The results of toxicological and clinical studies of this product demonstrate its safety for its intended use as a dietary
supplement ingredient in the United States. Avemar pulvis has been used in Hungary since 1998 and is approved in that country, as well as in the Czech Republic, Bulgaria, and Romania, as a "medical nutriment for cancer patients." Acute and subacute toxicity studies using rodents orally administered Avemar pulvis showed that dose levels (2000 to 3000 mg/kg body weight [bw]/day) exceeding the normal recommended oral dosage (8.5 g/day or 121 mg/kg bw/day for a 70-kg individual) by up to approximately 25-fold caused no adverse effects. The test substance showed no evidence of mutagenicity or genotoxicity in vitro or in vivo. Clinical studies using Avemar pulvis as a supplement to drug therapy in cancer patients at doses of 8.5 g/day not only showed no evidence of toxicity, but also showed a reduction in the side effects of chemotherapy. Overall, it was concluded that Avemar pulvis would not be expected to cause adverse effects under the conditions of its intended use as an ingredient in dietary supplements.