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A review of human diseases caused or exacerbated by aberrant complement activation

2016; Elsevier BV; Volume: 52; Linguagem: Inglês

10.1016/j.neurobiolaging.2016.12.017

1558-1497

Patrick L. McGeer, Moon‐Hee Lee, Edith G. McGeer,

Mosquito-borne diseases and control

Complement is the backbone of our innate immune system. It is of ancient evolutionary origin, being traced back to horseshoe crabs 350 million years ago. It consists today of more than 25 proteins which must work together like clockwork to distinguish friend from foe. Self-attack by the complement system can occur whenever it fails to do so. This failure has been reported to occur in an estimated 22 human diseases. A significant number of these are chronic degenerative neurological disorders. In some, there is overwhelming evidence that complement self-attack causes the disease. In many others, it is considered only to contribute to the overall pathology. Finding effective therapeutic agents should be a high priority for medical research. To date, the monoclonal antibody eculizumab is the only approved agent. Molecules under development include other monoclonal antibodies directed at C5, C3, and properdin, various aptamers to C3, and small molecules that are orally available.