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2000
DOI: 10.1016/s1286-4579(00)00357-9
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The role of probiotic bacteria in cancer prevention

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Cited by 215 publications
(135 citation statements)
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“…They are included in the composition of probiotics and probiotic foods because of their proven health effects on the body [7,8,9]. They are the main organisms that maintain the balance of the gastrointestinal microflora [10].…”
Section: Introductionmentioning
confidence: 99%
“…They are included in the composition of probiotics and probiotic foods because of their proven health effects on the body [7,8,9]. They are the main organisms that maintain the balance of the gastrointestinal microflora [10].…”
Section: Introductionmentioning
confidence: 99%
“…Of the 17 isolates, 6 were found to be tolerant after 4 h incubation to low pH (pH 2 and 2.5). In general, studies have been directed towards the survivability of LAB isolates at pH 2.5 rather than pH 2 (Charteris et al, 1998b;Goldin et al, 1992;Hirayama and Rafter, 2000;Jacobsen et al, 1999). However in the present study, 6 out of 17 Kanjika isolates showed more than 90% survivability, at pH 2 and pH 2.5 for 4 h incubation.…”
mentioning
confidence: 99%
“…Out of the 6 selected acid-tolerant isolates, 4 isolates, namely K1a, K3a, K23c, K4a, tested positive for b-galactosidase activity. Hypercholesterolemia increases the risk of coronary heart disease in humans (Hirayama and Rafter, 2000). The present study showed that the Kanjika isolate K3a, has the ability to reduce cholesterol up to 60% in the presence of 0.3% bile in 24 h, whereas it can also reduce cholesterol up to 40% in the absence of bile in 24 h. Isolates K1a and K23c were found to reduce the cholesterol up to 30% in 24 h incubation, thus indicating the potential of these isolates for therapeutic uses.…”
mentioning
confidence: 99%
“…Pressupõe-se que microorganismos selecionados seriam capazes de proteger o hospedeiro contra atividades carcinogênicas, através de três mecanismos (43, Hirayama e Rafter (26) e Rafter (48) sugerem vários mecanismos de atuação, incluindo o estímulo da resposta imune do hospedeiro (por aumentar a atividade fagocitária, a síntese de IgA e a ativação de linfócitos T e B), a ligação e a degradação de compostos com potencial carcinogênico, alterações qualitativas e/ou quantitativas na microbiota intestinal envolvidas na produção de carcinógenos e de promotores (ex: degradação de ácidos biliares), produção de compostos antitumorígenos ou antimutagênicos no cólon (como o butirato), alteração da atividade metabólica da microbiota intestinal, alteração das condições físico-químicas do cólon com diminuição do pH e efeitos sobre a fisiologia do hospedeiro. Outras evidências também sugerem que os probióticos reduzem a resposta inflamatória (com diminuição das citocinas, da hipersensibilidade e aumento da atividade fagocitária), alteram a atividade metabólica das bactérias intestinais e reduzem o número de bactérias envolvidas na pró-carcinogênese e na mutagênese (14,17,42) .…”
Section: Mecanismo De Ação Dos Agentes Probióticos E Prebióticos No Cunclassified