{"version":"1.0","type":"link","title":"Complement component 4 - Newikis","description":"Complement component 4 (C4), in humans, is a protein involved in the innate immune response. It is part of the narrower concept of the Complement system which uses a cascade of serum proteins to raise a preliminary defense against pathogens. It is though to originate from the human leukocyte…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}