Loss of properdin exacerbates C3 glomerulopathy resulting from factor H deficiency.

@article{Ruseva2013LossOP,
  title={Loss of properdin exacerbates C3 glomerulopathy resulting from factor H deficiency.},
  author={Marieta Milkova Ruseva and Katherine A. Vernon and Allison M. Lesher and Wilhelm J Schwaeble and Y. M. Ali and Marina Botto and Terence Cook and Wenchao C. Song and Cordula M Stover and Matthew C Pickering},
  journal={Journal of the American Society of Nephrology : JASN},
  year={2013},
  volume={24 1},
  pages={43-52}
}
Complement factor H (CFH) is a negative regulator of the alternative pathway of complement, and properdin is the sole positive regulator. CFH-deficient mice (CFH(-/-)) develop uncontrolled C3 activation and spontaneous renal disease characterized by accumulation of C3 along the glomerular basement membrane, but the role of properdin in the pathophysiology is unknown. Here, we studied mice deficient in both CFH and properdin (CFH(-/-).P(-/-)). Although CFH(-/-) mice had plasma depleted of both… CONTINUE READING

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Complement factor H ( CFH ) is a negative regulator of the alternative pathway of complement , and properdin is the sole positive regulator .
Complement factor H ( CFH ) is a negative regulator of the alternative pathway of complement , and properdin is the sole positive regulator .
Although CFH(-/- ) mice had plasma depleted of both C3 and C5 , CFH(-/-).P(-/- ) animals exhibited depletion of C3 predominantly , recapitulating the plasma complement profile observed in humans with properdin - independent C3 nephritic factors .
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