What Is a Complement C4 Test? - WebMD
2024年2月25日 · Complement component 4 (C4) is a type of special protein that is found on the surface of certain cells and in blood plasma. It is part of a group of almost 60 proteins that …
| California Association of Area Agencies on Aging
The California Association of Area Agencies on Aging (C4A) is a nonprofit organization representing California’s 33 area agencies on aging and is the leading voice on aging… Help …
What is Complement C4a? High and low values - Healthmatters
2021年7月6日 · WHAT DOES IT MEAN IF YOUR COMPLEMENT C4A RESULT IS TOO LOW? Lower-than-normal complement C4 values could indicate: – bacterial infections. – hepatitis. – …
C4A - Wikipedia
Complement C4-A is a kind of the Complement component 4 protein that in humans is encoded by the C4A gene. [5] This gene encodes the acidic form of complement factor 4, part of the …
High & Low C4A Levels (Complement C4A) & Mold Illness
2020年3月2日 · Information is sparse on C4A, but I’ve tried to gather what there is. C4A is often elevated in chronic inflammation. What is C4A? C4A is part of a “complement” group. The …
C4 Complement Blood Test: What It Is, Procedure & Results
2024年10月24日 · What is a C4 complement blood test? A complement C4 blood test (or complement component 4 test) measures how much C4 protein you have in your blood. C4 …
Complement C4a - Lab Results explained | HealthMatters.io
Complement C4a or complement component 4a is a glycoprotein and peptide that is expressed, primarily in the liver and in macrophages, in response to acute inflammation or tissue injury. …
004330: Complement C4a - Labcorp
Complement cascade activation results in the formation of complement split products C 3 a, C 4 a, and C 5 a. 4 These proteins, referred to as anaphylatoxins, facilitate the phagocytosis of …
Complement C4, Infections, and Autoimmune Diseases
2021年7月13日 · C4a, one of the activation fragments of complement C4, identified in 1979, was regarded as the third anaphylatoxin although it is still under debate (133, 134). C4a has been …
C4a: An Anaphylatoxin in Name Only - PMC - National Center for ...
2015年2月6日 · C4a is derived by cleavage of the amino-terminal end of the α-chain by activated C1 on activation of the classical, or by activated mannose binding protein on activation of the …