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The spontaneous metastatic properties of six sarcomas and seven carcinomas syngeneic to C3Hf/Kam mice were investigated and the correlation between spontaneous metastasis, the lung colony forming efficiency (LCFE) of i.v. injected tumor cells, and s.c. tumor take was determined. The incidence and number of spontaneous metastases in the lung were determined(More)
Several studies suggest that dietary supplementation with antioxidant can influence the response to chemotherapy as well as the development of adverse side effects caused by treatment with chemotherapeutic agents. Using CBA mouse model, we investigated a clinically potential use of a water-soluble derivative of propolis (WSDP) in the treatment of various(More)
The radioprotective effects of ethanolic extract of propolis (EEP) and quercetin on the white blood cells of the whole-body irradiated CBA mice were investigated. Irradiation was performed using a gamma-ray source ((60)Co), and absorbed dose was 9 Gy. The efficiency of test components was evaluated when given intraperitoneally (ip) at a dose of 100 mg(More)
Heparin, cortisone, and combination of these two drugs were used for treatment of solitary tumors and artificial lung metastases of the fibrosarcoma NFSA and the mammary carcinoma MCA-K in C3Hf/Kam mice. Heparin reduced the number of artificial metastases of both tumors, but it did not affect the s.c. growth of these tumors. Conversely, cortisone reduced(More)
The influence of allogeneic IgG on in vitro reactivity of peripheral blood lymphocytes (PBL) of neonatal colostrum-deprived piglets as well as of suckling and weaned piglets was studied. PBL were preincubated with purified allogeneic IgG for 24 h before their ability to respond to PHA, Con A or PWM was tested. PBL of precolostral piglets pretreated with(More)
The radioprotective effects of propolis and polyphenolic compounds from propolis on the radiation-induced mortality of mice exposed to 9 Gy of gamma-irradiation were studied. Intraperitoneal (i.p.) treatment of mice at doses of 100 mg kg(-1) body weight of propolis (water or ethanolic extract; WSDP or EEP) or its polyphenolic compounds (quercetin, naringin(More)
The possible tumor growth- and metastasis-inhibiting effects of bee venom in mice and in tumor cell cultures were studied. The tumor was a transplantable mammary carcinoma (MCa) of CBA mouse. Intravenous administration of bee venom to mice significantly reduced the number of metastases in the lung. However, subcutaneous administration of bee venom did not(More)
The effect of polyphenolic compounds isolated from propolis and propolis itself was investigated on the growth and metastatic potential of a transplantable mammary carcinoma (MCa) of CBA mouse. Metastases in the lung were generated by intravenous injection of tumor cells (2 x 10(5)). A water-soluble derivative of proplis (WSDP), caffeic acid (CA), caffeic(More)
Many plants and the plant-derived honeybee propolis have shown biological activities like immunomodulation and antitumor effect. The effect of two water-soluble propolis derivatives (WSDP) from Croatia and Brazil, caffeic acid, quercetin, chrysin and naringenin which are present in WSDP was assessed on the development of Ehrlich ascites tumor (EAT). The(More)
Polyphenolic compounds are widely distributed in the plant kingdom and display a variety of biological activities, including chemoprevention and growth inhibition of tumours. Propolis contains a conglomerate of polyphenolic compounds. We investigated the effect of propolis and polyphenolic compounds, components of propolis, on the growth and metastatic(More)