blocking antibody

noun

1. Immunology. an antibody that partly combines with an antigen and interferes with cell-mediated immunity, thereby preventing an allergic reaction.

Example Sentences

"The FDA-approved checkpoint blocking antibody helps "take off the brakes" that tumors put on immune cells, while the cytokine molecules "step on the gas" to jump-start the immune system and get an immune cell army to fight cancer cells. These two approaches work together to activate immune cells."

From Science Daily

In ALL, VEGF-A expression levels are high, and a VEGF-A blocking antibody can prevent the disease invading the meninges of the CNS10.

From Nature