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Microbiology

Probiotics

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Lactobacilli Inhibit Shigella Dysenteriae 1 Induced Pro-Inflammatory Response And Cytotoxicity In Host Cells Via Impediment Of Shigella-Host Interactions, Murali Mr, Moorthy G, Niranjali Devaraj S Jan 2010

Lactobacilli Inhibit Shigella Dysenteriae 1 Induced Pro-Inflammatory Response And Cytotoxicity In Host Cells Via Impediment Of Shigella-Host Interactions, Murali Mr, Moorthy G, Niranjali Devaraj S

Murali Malliga Raman

OBJECTIVE: Shigella dysenteriae Type 1 dysentery is a major cause of morbidity and mortality in children from less developed and developing countries. The present study explores the hypothesis that lactobacilli protect the host cell during S. dysenteriae Type 1 infection and its mechanism of action. METHODS: Caco-2 cells incubated for 1h with Lactobacillus rhamnosus or Lactobacillus acidophilus at the multiplicity of infection of 100, either alone or in combination followed by addition of Shigella at the same multiplicity of infection for 5h served as treatment groups. Cells incubated with Shigella without lactobacilli addition served as infected cells. At the end …


The Potential Role Of Probiotics In Reducing Poverty-Associated Infections In Developing Countries, Kingsley C. Anukam Oct 2007

The Potential Role Of Probiotics In Reducing Poverty-Associated Infections In Developing Countries, Kingsley C. Anukam

Kingsley C Anukam

Probiotics are defined by the Food and Agricultural Organization/ World Health Organization as “live microorganisms which when administered in adequate amounts confer a health benefit on the host” [1]. The potential benefits of their use have not been adequately investigated, especially in the developing world. Japan introduced Yakult, a probiotic fermented food drink in 1935, and in the Northern hemisphere, research and use of probiotics has gained an unprecedented momentum in the last decade [2]. Use of probiotics is not uncommon in Europe [3], but in many developing countries use of probiotics in its present definition is a foreign concept. …


Protective Role Of Lactobacilli In Shigella Dysenteriae 1-Induced Diarrhea In Rats., Moorthy G, Murali Malliga Raman, Devaraj Sn Jan 2007

Protective Role Of Lactobacilli In Shigella Dysenteriae 1-Induced Diarrhea In Rats., Moorthy G, Murali Malliga Raman, Devaraj Sn

Murali Malliga Raman

OBJECTIVE: Studies on lactic acid bacteria exemplify their use against various enteropathogens in vitro. Nevertheless, in vivo effects of Lactobacillus during Shigella infection have not been evaluated. The present study evaluated the effect of Lactobacillus rhamnosus and Lactobacillus acidophilus on neutrophil infiltration and lipid peroxidation during Shigella dysenteriae 1-induced diarrhea in rats. METHODS: The rats were divided into eight groups (n = 6 in each group). Induced rats received single oral dose of S. dysenteriae (12 x 10(8) colony-forming units [cfu]/mL). Treated rats received L. rhamnosus (1 x 10(7) cfu/mL) or L. acidophilus (1 x 10(7) cfu/mL) orally for 4 …