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Ramírez-Patiño Ramiro,Figuera Luis Eduardo,Puebla-Pérez Ana María,Delgado-Saucedo Jorge Ivan,Legazpi-Macias María Magdalena,Mariaud-Schmidt Rocio Patricia,Ramos-Silva Adriana,Gutiérrez-Hurtado Itzae A 대한의학회 2013 Journal of Korean medical science Vol.28 No.11
The endothelial nitric oxide synthase (eNOS) gene plays an important role in several biological functions. Polymorphisms of the eNOS gene have been associated with cancer. It has been suggested that the VNTR 4 a/b polymorphism may affect the expression of eNOS and contributes to tumor promotion in the mammary gland. We examined the role of the eNOS4 a/b polymorphism by comparing the genotypes of 281 healthy Mexican women with the genotypes of 429 Mexican women with breast cancer (BC). The observed genotype frequencies for control and BC patients were 0.6% and 0.7% for a/a (polymorphic); 87% and 77% for a/a (wild type); and 12% and 22% for a/b respectively. We found that the odds ratio (OR) was 1.9, with a 95% confidence interval (95%CI) of 1.29-2.95, P=0.001 for genotypes a/a-a/b, b/c. The association was also evident when comparing the distribution of the a/a-a/b genotypes in patients with high levels of glutamate-oxaloacetate transaminase (SGOT) (OR, 1.93; 95% CI, 1.14-3.28; P=0.015); undergoing menopause with high levels of SGOT (OR, 2.0; 95% CI, 1.1-3.84); and with high levels of glutamic-pyruvic transaminase (SGPT) (OR, 3.5; 95% CI, 1.56-8.22). The genotypes a/a-a/b are associated with BC susceptibility in the analyzed samples from the Mexican population.
María Eugenia Jaramillo-Flores,Herry Heriyati Permady,Ana Maria Puebla-Pérez,Eduardo Padilla,Eugenia del Carmen Lugo-Cervantes,Jorge Ivan Delgado-Saucedo,Eva Ramón-Gallegos 한국식품영양과학회 2011 Journal of medicinal food Vol.14 No.5
Ditaxis heterantha seeds are used as spices for flavoring and coloring food. Two new apocarotenoids derived from the seeds, heteranthin and ditaxin, were evaluated for their in vitro cytotoxic effects in murine lymphoma cells lines. Bioabsorption in mice and preventive and antitumor effects of the apocarotenoids were determined. Ditaxin and heteranthin showed cytotoxic effects in vitro against murine malignant cells and normal splenocyte cells. The 50% inhibitory concentration (IC_50) for ditaxin in splenocytes was 0.1825 mM; in L5178Y, the IC_50 was 0.1923 mM. The heteranthin IC_50 in splenocytes was 0.1325 mM; in L5178Y, the value was 0.3889 mM. The maximum ditaxin plasma concentration was found after 2 hours of administration (mean±standard deviation, 7.5±2.05 μg/mL). Oral administration of the D. heterantha extract (100 mg/kg per day) for 14 days after the L5178Y lymphoma cell implantation showed no significant effect compared with groups that were not pretreated. However, tumor inhibition in groups treated intraperitoneally before inoculation with the L5178Y cells showed a significant difference (P<.001) compared with the groups not pretreated.