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Maria Luiza dos Santos Vieira,Fernando Luiz Affonso Fonseca,Larissa Grossi Costa,Registila Libania Beltrame,Carolina Machado de Sousa Chaves,Jairo Cartum,Sarah Isabel P. M. do N. Alves,Ligia Ajaime Az 한국식품영양과학회 2015 Journal of medicinal food Vol.18 No.1
The drugs used in chemotherapy treatments have little specificity, attack tumor cells, and also injure proliferative tissues. Knowledge of the functions of micronutrients has greatly increased, especially of Selenium (Se) that presents immunomodulatory and antitumor functions. The present study evaluated the health-related quality of life of patients undergoing chemotherapy for the treatment of leukemias and lymphomas (LL) and solid tumors (ST) while receiving Selenium (Se) supplementation. This is a randomized, double-blind, crossover study that evaluated the quality of life (EORTC-QLQC30 questionnaire), renal and liver functions of patients supplemented with Se. There was no statistically significant alteration in LL patients. However, the fatigue and nausea scores after 30 days did decrease in this group as well as in the ST group. After 1 year supplementation with Selenium, a more noticeable decrease in the scores concerning fatigue and nausea could be observed in the ST group, when compared with the beginning of the study. The LL patients also presented a decrease in the fatigue scores and physical functions. The kidney function as well as liver function has improved after Selenium supplementation when compared with the placebo intake in LL and ST patients, more remarkably in the LL group. Supplementation with Selenium promotes the reduction of chemotherapy side effects in cancer patients, especially by improving the conditions of patients with fatigue, nausea, and impaired physical function. Renal and liver functions have also improved.
Emerson Barbosa da Silva,Felipe Ko Chen,Matheus Moreira Perez,Giuliana Petri,David Feder,Fernando Luiz Affonso Fonseca,Beatriz da Costa Aguiar Alves 한국식품영양과학회 2022 Journal of medicinal food Vol.25 No.9
New perspectives arise in the therapeutic practice for cancer, with the objective to not only treat patients, but also improve their quality of life. Guarana, a plant from Brazilian Amazon presents a wide range of pharmacological actions. This study evaluated the effect of Guarana (Paullinia cupana) extract, pure and dry Guarana (PC-18) extract and magnesium chloride (MgCl2) in mice of the Balb/c strain inoculated with the Ehrlich tumor regarding gene expression of inflammatory markers transforming growth factor-β1 and tumor necrosis factor alpha and oxidative stress (OS) and fatigue, superoxide dismutase, catalase, and glutathione peroxidase 4 and analyzed myelotoxicity and hepatotoxicity. After euthanasia, blood was collected to analyze the complete blood count and measured the levels of liver enzymes (alanine aminotransferase and aspartate aminotransferase). Hepatoprotective actions of the crude extract of P. cupana and PC-18 extract were noticed. The PC-18 and MgCl2 group showed the best result regarding animal welfare. There were no associations between compounds and gene expression regarding fatigue and OS. PC-18 reduced the tumor and may have an antitumor action. The crude extract of Guarana presented hepatoprotective action.
Jose´ Francisco Ramos dos Santos,Tania Passeti,Giuliana Petri,Adriana Helena de Almeida,Glaucia Luciano da Veiga,Juliana Veridiano,Bruno Bertassoli,Fernando Luiz Affonso Fonseca,Beatriz da Costa Aguia 한국식품영양과학회 2022 Journal of medicinal food Vol.25 No.11
Selenium has an anti-inflammatory, antioxidant, and possibly antitumoral action. Thus, we hypothesized that this element could be an ally in cancer treatment. We evaluated the effect of chelated selenium treatment of BALB/c mice with Erhlich Tumor on tumor size, histology, and biochemical parameters of the liver. A total of 96 male mice were treated for 7, 15, and 30 days with different doses of chelated selenium. During the 7 days of treatment, livers presented mild hydropic degeneration; after 15 days, the livers presented mild hydropic degeneration, inflammatory infiltrate, and steatosis, which was intensified in the animals treated for 30 days. Biochemical analysis showed an increase of the alanine transaminase enzyme in those animals, indicating hepatotoxicity. At the beginning of treatment, selenium was able to inhibit tumor growth. After 30 days of treatment, however, hepatotoxicity could be seen.