A complement C4 (also known as a complement component 4, or simply C4) is a test to measure the level of C4 proteins you have in your blood. These proteins play a role in how your immune system ...

Also called C3G, this rare kidney disease often affects children and young adults, but it can happen at any age. It has major impact on a person’s health and life. C3G has two forms: dense deposit ...

In a recent study posted to the bioRxiv* preprint server, researchers investigated the expression of complement regulatory proteins (CRPs) in coronavirus disease 2019 (COVID-19) to identify potential ...

Bryan Paul Morgan is a consultant for UCB Pharma and has provided ad hoc advice to other Pharma comanies. He receives funding from UK Medical Research Council via the Dementia Research Institut, ...

The complement of set B, B’, contains all the elements that are not in set B. \(P’\) is the complement of set \(P\). The intersection of one set and the complement of another set identifies elements ...