CO-PURIFICATION OF TRANSFORMING GROWTH FACTOR LIKE ACTIVITY WITH PTH-LIKE AND BONE-RESORBING ACTIVITIES FROM A TUMOR ASSOCIATED WITH HUMORAL HYPERCALCEMIA OF MALIGNANCY
INSOGNA K, WEIR E, WU T, STEWART A, BROADUS A, BURTIS W, CENTRELLA M. CO-PURIFICATION OF TRANSFORMING GROWTH FACTOR LIKE ACTIVITY WITH PTH-LIKE AND BONE-RESORBING ACTIVITIES FROM A TUMOR ASSOCIATED WITH HUMORAL HYPERCALCEMIA OF MALIGNANCY. Endocrinology 1987, 120: 2183-2185. PMID: 3494596, DOI: 10.1210/endo-120-5-2183.Peer-Reviewed Original ResearchConceptsAdenylate cyclase-stimulating activityBone-resorbing factorsBone-resorbing activityHumoral hypercalcemiaGrowth factor beta-like activityPTH-like proteinLeydig cell tumorReverse-phase HPLC stepsBeta-like activityCyclase-stimulating activityGrowth factor betaCell tumorsResponsible mediatorsGrowth factor activityTumor extractsFisher ratsAnimal modelsFactor betaTumor tissueSingle fractionGrowth factorHypercalcemiaMalignancyPTHSequential treatment