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dc.contributor.author
Maldonado Galdeano, María Carolina  
dc.contributor.author
Perdigon, Gabriela del Valle  
dc.date.available
2018-08-24T21:45:11Z  
dc.date.issued
2004-10  
dc.identifier.citation
Maldonado Galdeano, María Carolina; Perdigon, Gabriela del Valle; Role of viability of probiotic strains in their persistence in the gut and in mucosal immune stimulation; Wiley Blackwell Publishing, Inc; Journal of Applied Microbiology; 97; 4; 10-2004; 673-681  
dc.identifier.issn
1364-5072  
dc.identifier.uri
http://hdl.handle.net/11336/57115  
dc.description.abstract
Aims: To determine how probiotic bacteria contact with intestinal epithelial and immune cells and the conditions to induce a good mucosal immune stimulation. Methods and Results: Lactobacillus casei was studied by transmission electron microscopy (TEM) to determine its interaction with the gut. We compared the influence of viable and nonviable lactic acid bacteria on the intestinal mucosal immune system (IMIS) and their persistence in the gut of mice. TEM showed whole Lact. casei adhered to the villi; the bacterial antigen was found in the cytoplasm of the enterocytes. Viable bacteria stimulated the IMIS to a greater extent than nonviable bacteria with the exception of Lact. delbrueckii subsp. bulgaricus. For all the strains assayed at 72 h no antigenic particles were found in the intestine. Conclusion: Antigenic particles but not the whole bacteria can enter to epithelial cells and contact with the immune cells. Bacterial viability is a condition for a better stimulation of the IMIS. Significance and Impact of the Study: We demonstrated that only antigenic particle interact with the immune cells and their fast clearance from the gut agrees with those described for the particulate antigens. The regular consumption of probiotics should not adversely affect the host.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Wiley Blackwell Publishing, Inc  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Bacteria Persistence  
dc.subject
Bacterial Viability  
dc.subject
Gut Immune System  
dc.subject
Probiotic  
dc.subject.classification
Inmunología  
dc.subject.classification
Medicina Básica  
dc.subject.classification
CIENCIAS MÉDICAS Y DE LA SALUD  
dc.title
Role of viability of probiotic strains in their persistence in the gut and in mucosal immune stimulation  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2018-08-21T14:05:33Z  
dc.identifier.eissn
1365-2672  
dc.journal.volume
97  
dc.journal.number
4  
dc.journal.pagination
673-681  
dc.journal.pais
Reino Unido  
dc.journal.ciudad
Londres  
dc.description.fil
Fil: Maldonado Galdeano, María Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Centro de Referencia para Lactobacilos; Argentina. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina  
dc.description.fil
Fil: Perdigon, Gabriela del Valle. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Centro de Referencia para Lactobacilos; Argentina. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina  
dc.journal.title
Journal of Applied Microbiology  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/j.1365-2672.2004.02353.x  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-2672.2004.02353.x