Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
poke·weed mi·to·gen (PWM),
a mitogen (lectin) from Phytolacca americana (pokeweed) that stimulates chiefly B lymphocytes.
pokeweed mitogenA carbohydrate-binding lectin isolated from Phytolocca americana that stimulates growth and proliferation of B cells in culture, resulting in production of cytoplasmic or surface immunoglobulins.
pokeweed mitogenAbbreviation: PWM
A mitogen isolated from the pokeweed plant, Phytolacca americana. In the presence of T lymphocytes, it has the capacity to induce primed B lymphocytes to proliferate and differentiate into plasma cells.
See also: mitogen