About Beryllium Sensitization
Beryllium sensitization is an allergy to beryllium that may develop after a susceptible person breathes beryllium dust or fumes, or if beryllium penetrates the skin through an open cut or dermal exposure. Individuals that have a certain gene called HLA-DPB Glu69 are susceptible and more likely to become sensitized after exposure to beryllium.
In individuals with beryllium sensitization, the immune system sees beryllium as a foreign substance and responds by generating a population of immune cells in the bloodstream that react to beryllium. These cells can be found in the blood using a test called the beryllium lymphocyte proliferation test (BeLPT).