12/10/2023 0 Comments There Is No Light freeWashington D.C.: American Association for Clinical Chemistry c2001–2019. North Hollywood (CA): International Myeloma Foundation Understanding Freelite and Hevylite Tests. Washington D.C.: American Society of Hematology c2019. ![]() Other names: free kappa/lambda ratio, kappa/lambda quantitative free light, freelite, kappa and lambda free light chains, immunoglobulin free light chains These include multiple myeloma, a cancer of plasma cells, and amyloidosis, a condition that causes a dangerous buildup of proteins in different organs and tissues. If the amount of free light chains is higher or lower than normal, it can mean you have a disorder of the plasma cells. A free light chains test measures the amount of lambda and kappa free light chains in the blood. There are two types of light chains: lambda and kappa light chains. These unlinked chains are known as free light chains. They are instead released into the bloodstream. Normally, plasma cells make a small amount of extra light chains that don't bind with heavy chains. ![]() When light chains link up with heavy chains, they are known as bound light chains. Immunoglobulins are formed when light chains link up with heavy chains, another type of protein. Immunoglobulins help protect the body against illness and infections. Plasma cells also make immunoglobulins (antibodies). Light chains are proteins made by plasma cells, a type of white blood cell.
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