期刊
JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES
卷 67, 期 3, 页码 247-253出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/gerona/glr226
关键词
Lung disease; Toll-like receptors
资金
- National Institutes of Health (NIH) [R01 HL090660, R01 HL071595]
- Flight Attendants Medical Research Institute [82384]
- Yale Center for Clinical Investigations (YCCI)
- Yale Claude D. Pepper Older Americans Independence Center [P30AG21342]
- National Center for Research Resources, a component of the NIH [UL1 RR024139]
- NIH Roadmap for Medical Research
- NIAID [U19 AI089992, 272201100019C-3-0-1]
The aging lung is faced with unique challenges. The lungs are the only internal organ with a direct interface with both the internal and the external environments and as a consequence are constantly sampling diverse, potentially injurious, elements. Therefore, the lungs have evolved a sophisticated, multilayered detection system to distinguish low-level, nonharmful signals from those that are toxic. A family of innate immune receptors, Toll-like receptors (TLRs), appears to serve such a function. Initially described as pattern-recognition receptors that recognize and protect against microbes, TLRs can also respond to diverse, nonmicrobial signals. The role of Toll-like receptors in noninfectious, age-related chronic lung disease is poorly understood. This review presents our current understanding of the biology of age-related lung diseases with a focus on the role of Toll-like receptors in idiopathic pulmonary fibrosis, chronic obstructive pulmonary disease, and late-onset asthma.
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