Papel de las células epiteliales en la respuesta inmune del pulmón / Immunological role of epithelial cells of the lung
Rev. Inst. Nac. Enfermedades Respir
; 18(4): 321-326, oct.-dic. 2005. ilus, tab
Article
in Spanish
| LILACS
| ID: lil-632548
Responsible library:
MX1.1
RESUMEN
El sistema respiratorio se encuentra en contacto con agentes patógenos; sin embargo, gracias a la respuesta inmune innata de éste, sólo en raras ocasiones se produce la enfermedad. Las células epiteliales del tracto respiratorio desempeñan un papel importante para evitar la colonización del pulmón por agentes infecciosos, identificando a los microorganismos a través de receptores especializados como los toll-like. Asimismo, son capaces de secretar citocinas, péptidos antimicrobianos y otras moléculas proinflamatorias, las cuales evitan el establecimiento de patógenos.
ABSTRACT
The respiratory tract is one of the main systems which is in perennial contact with a wide variety of pathogenic microorganisms; however, infection is seldom produced due to its innate immune response. Respiratory tract epithelial cells play a very important role to avoid colonization of the lung by infectious agents, because they recognize microbial molecules through very specialized receptors, such as toll-like receptors; moreover, these cells posses a broad variety of molecules which are related to local immunity. Respiratory tract epithelial cells produce chemokines, antimicrobial peptides and other proinflammatory molecules that prevent the establishment of pathogenic microorganisms.
Full text:
Available
Collection:
International databases
Database:
LILACS
Language:
Spanish
Journal:
Rev. Inst. Nac. Enfermedades Respir
Journal subject:
Pulmonary Disease (Specialty)
Year:
2005
Document type:
Article
Affiliation country:
Mexico
Institution/Affiliation country:
Instituto Nacional de Enfermedades Respiratorias/MX
/
Instituto Politécnico Ncaional/MX
/
Universidad Nacional Autónoma de México/MX