期刊
PARASITE IMMUNOLOGY
卷 29, 期 2, 页码 57-71出版社
WILEY
DOI: 10.1111/j.1365-3024.2006.00913.x
关键词
anticoagulant; aspin; cystatin; immunomodulation; inhibitor; nematode; proteinase; serpin; TIMP
The concept that parasites may utilize proteinase inhibitors to survive within the host has been with us for 100 years. Given that we now know that proteinases are involved in key areas of the host anti-parasite immune response including antigen presentation, effector cell function and tissue dissolution and remodelling, it is somewhat surprising that the proteinase inhibitors of parasite origin have not generally been the subject of intense research effort. There is now substantial evidence to show that nematode parasites utilize these inhibitors to protect themselves from degradation by host proteinases, to facilitate feeding and to manipulate the host response to the parasite. The diversity of the parasite-derived inhibitors is also being revealed and they target the four major proteinase classes, namely serine, cysteine, aspartic and metallo-proteinases. This review summarizes the information available on nematode-derived proteinase inhibitors and what is known of their putative functions. Their potential as targets for immunological control is also addressed.
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