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  • Title: Lymphocytosis-promoting factor of Bordetella pertussis: isolation, characterization, and biological activity.
    Author: Morse SI.
    Journal: J Infect Dis; 1977 Aug; 136 Suppl():S234-8. PubMed ID: 197175.
    Abstract:
    The leukocytosis and lymphocytosis-promoting factor (LPF) of Bordetella pertussis has been isolated in apparently pure form. LPF is a protein essentially free of lipid and carbohydrate with an estimated molecular weight of 67,000-73,600 daltons. Purified LPF induced both histamine sensitization and refractoriness to epinephrine-induced hyperglycemia and was a murine thymus-derived (T-) cell mitogen. Adenyl cyclase activity also appeared to be associated with LPF.
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