Definition of properdin in English:

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properdin

Pronunciation: /ˈprōpərdən/

noun

Biochemistry
A protein present in the blood, involved in the body’s response to certain kinds of infection.
Example sentences
  • It has developed proprietary monoclonal antibodies to properdin that are potent in vitro and in vivo inhibitors of the complement alternative pathway.
  • Complement properdin increased by 21 percent compared to the placebo group.
  • In addition to evaluating the levels of complement properdin, measurement of other components of the complement system may provide more conclusive evidence on complement system activation.

Origin

1950s: from pro-2 'before' + Latin perdere 'destroy' + -in1.

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