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Acidic Mammalian Chitinase in Asthmatic Th2 Inflammation and IL-13 Pathway Activation
Abstract
Chitin is a surface component of parasites and insects, and chitinases are induced in lower life forms during infections with these agents. Although chitin itself does not exist in humans, chitinases are present in the human genome. We show here that acidic mammalian chitinase (AMCase) is induced via a T helper-2 (Th2)–specific, interleukin-13 (IL-13)–mediated pathway in epithelial cells and macrophages in an aeroallergen asthma model and expressed in exaggerated quantities in human asthma. AMCase neutralization ameliorated Th2 inflammation and airway hyperresponsiveness, in part by inhibiting IL-13 pathway activation and chemokine induction. AMCase may thus be an important mediator of IL-13–induced responses in Th2-dominated disorders such as asthma.
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Cited by
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Martinez, F. O., Gordon, S., Locati, M., & Mantovani, A. (2006) · The Journal of Immunology · doi:10.4049/jimmunol.177.10.7303 · Cited by 2,125
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Metadata
- Authors
- Zhu, Z., Zheng, T., Homer, R. J., Kim, Y.-K., Chen, N. Y., Cohn, L., Hamid, Q., & Elias, J. A.
- Venue
- Science
- Published
- 2004-06-11
- Volume
- 304
- Issue
- 5677
- Pages
- 1678-1682
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2072705074
- Cited by
- 805
- References
- 0
- FWCI
- 14.10
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhu, Z., Zheng, T., Homer, R. J., Kim, Y.-K., Chen, N. Y., Cohn, L., Hamid, Q., & Elias, J. A. (2004). Acidic Mammalian Chitinase in Asthmatic Th2 Inflammation and IL-13 Pathway Activation. Science. https://doi.org/10.1126/science.1095336
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