NDT Advance Access originally published online on September 2, 2006
Nephrology Dialysis Transplantation 2006 21(12):3374-3376; doi:10.1093/ndt/gfl515
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© The Author [2006]. Published by Oxford University Press on behalf of ERA-EDTA. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org
Compliments from complement: a fourth pathway of complement activation?
1Department of Nephrology and 2Department of Clinical Chemistry, Leiden University Medical Center, Leiden, The Netherlands
Correspondence and offprint requests to: Mohamed R. Daha, LUMC, Department of Nephrology, Albinusdreef 2, 2333 ZA Leiden, The Netherlands. Email: M.R.daha@lumc.nl
Keywords: complement; MBL
| The first 10% of the full text of this article appears below. |
| Introduction |
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The immune system of vertebrates is known to be composed of innate- and acquired defense. While the innate immune system should potentially be sufficient for the defense against most pathogens, antibodies and activated T-lymphocytes strongly enhance our capacities for defense against a plethora of pathogens. The innate immune system is composed of a large number of defense molecules, including the complement system. The complement system is a major player in innate immunity and is strongly involved in a large number of biological processes, including the initiation and amplification of acquired immunity. Most of these biological activities are achieved by two mechanisms: first, the deposition of opsonic fragments especially of the components C3 and C4 on pathogens or other targets and second, the initiation or induction of inflammatory responses following
| Discussion and implications |
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Are there any examples for a C4/C2 bypass in the clinical situation?
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