Products
transfer factor (TF)
Use and description |
| Transfer factors were originally described as immune molecules that are derived from blood or spleen cells that cause antigen-specific cell-mediated immunity, primarily delayed hypersensitivity and the production of lymphokines, as well as binding to the antigens themselves. They have a molecular weight of approximately 5000 daltons and are composed entirely of amino acids. Transfer factors were discovered by Henry Sherwood Lawrence in 1954. A transfer factor is a chemical that is taken from a human or animal that has already developed protection (immunity) against a certain disease. |
Physical Characters and Index |
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