Unravelling the networks dictating host resistance versus tolerance during pulmonary infections.
Cell Tissue Res
; 367(3): 525-536, 2017 03.
Article
em En
| MEDLINE
| ID: mdl-28168323
ABSTRACT
The appearance of single cell microorganisms on earth dates back to more than 3.5 billion years ago, ultimately leading to the development of multicellular organisms approximately 3 billion years later. The evolutionary burst of species diversity and the "struggle for existence", as proposed by Darwin, generated a complex host defense system. Host survival during infection in vital organs, such as the lung, requires a delicate balance between host defense, which is essential for the detection and elimination of pathogens and host tolerance, which is critical for minimizing collateral tissue damage. Whereas the cellular and molecular mechanisms of host defense against many invading pathogens have been extensively studied, our understanding of host tolerance as a key mechanism in maintaining host fitness is extremely limited. This may also explain why current therapeutic and preventive approaches targeting only host defense mechanisms have failed to provide full protection against severe infectious diseases, including pulmonary influenza virus and Mycobacterium tuberculosis infections. In this review, we aim to outline various host strategies of resistance and tolerance for effective protection against acute or chronic pulmonary infections.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Doenças Transmissíveis
/
Interações Hospedeiro-Patógeno
/
Resistência à Doença
/
Tolerância Imunológica
/
Pneumopatias
Limite:
Humans
Idioma:
En
Revista:
Cell Tissue Res
Ano de publicação:
2017
Tipo de documento:
Article
País de afiliação:
Canadá