2019-06-102019-06-102018SILVA, Karla de Assis. Avaliação da atividade antineoplásica dos fármacos metformina e mebendazol isolados e em associação em linhagem celular de câncer. Orientador: André Salim Khayat Khayat. 2018. 61 f. Dissertação (Mestrado em Oncologia e Ciências Médicas) - Núcleo de Pesquisas em Oncologia, Universidade Federal do Pará, Belém, 2018. Disponível em: http://repositorio.ufpa.br/jspui/handle/2011/11264. Acesso em:.https://repositorio.ufpa.br/handle/2011/11264Gastric cancer will account for 782,685 deaths worldwide in 2018, being the fifth most common cause of cancer in the world and a fourth in Brazil. For example, the diagnosis of pathognomonic cases, the diagnosis of gastric cancer occurs late in most cases. In addition, this is a series of patients with chemotherapy and radiotherapy, being a resection surgery that offers the greatest healing potential. Adenocarcinoma is the most common subtype of lung cancer, with incidence greater than 90%. The risk factors for the pathology are multiple and cover the genetic, environmental and food. The drugs metformin and mebendazole, now used in the processes of diabetes and parasitic infections, are presented as antineoplastic effects in studies of various types of cancer. For metformin, it is possible that anticancer mechanisms of action, among others, may be made viable by LKB1 / AMPK / mTOR. Mebendazole prevents the polymerization of tubulins, inhibiting the growth and invasiveness of cancer cells. Thus, the present study has as a preventive effect metformin and mebendazole, known for their anti-neoplastic antibodies and low toxicity, in isolation and in combination with AGP01 (prescribed from neoplastic cells present in the patient with gastric ascites fluid of the intestinal type). This study is in vitro: MTT cytotoxicity, viability / apoptosis and necrosis assessment, cell cycle analysis and migration assay. One metfomine had 6.2mM IC50 and the 300mM IC50 mebendazole given alone, when combined with a new level of new IC50 values of 1.8mM and 88nM, respectively. The cell migration was inhibited for the metformin from the time of 12h and mebendazole from the time of 24h, a combination of the drugs showed no change in the time of inhibition, but increased the reliability of the test. Mebendazole and metformin induced cell death by apoptosis and prevented cell cycle progression, increasing the percentage of cells in the G1 / G0 phase and decreasing the percentage of cells in the S phase and G2 / M phase. These data confirm, at least in the antineoplastic effects of these drugs.Acesso AbertoAdenocarcinoma gástricoLinhagem celularMetforminaMebendazolEfeito antineoplásicoAvaliação da atividade antineoplásica dos fármacos metformina e mebendazol isolados e em associação em linhagem celular de câncerDissertaçãoCNPQ::CIENCIAS BIOLOGICAS::MORFOLOGIA::CITOLOGIA E BIOLOGIA CELULARCNPQ::CIENCIAS DA SAUDE::MEDICINA::CLINICA MEDICA::CANCEROLOGIACARCINOGÊNESEMEDICINA I