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Research team uncovers root cause of multiple myeloma relapse
Læs denne artikel hvis du vil vide mere om hvorfor tilsyneladende helbredt myelomatose kommer igen, og hvor Dan der nu fokuseres på netop dette afgørende problem.
“Our findings reveal a way forward toward a cure for multiple myeloma, which involves targeting both the progenitor cells and the plasma cells at the same time,” says Rodger Tiedemann, M.D., a hematologist specializing in multiple myeloma and lymphoma at Princess Margaret. “Now that we know that progenitor cells persist and lead to relapse after treatment, we can move quickly into clinical trials, measure this residual disease in patients, and attempt to target it with new drugs or with drugs that may already exist.”
“Some myeloma cells are too immature to be caught by the drugs and thus hide underground only to reemerge later,” says Keith Stewart, M.B., Ch.B., Dean for Research at Mayo Clinic in Arizona and contributor to the study. “This study has wide implications in the search for a cure of this common blood cancer as this ‘progenitor cell’ will have to be targeted.”
Jonathan Keats, Ph.D., head of TGen’s Multiple Myeloma Research Laboratory, said: “This study, which leverages data generated at TGen as part of the Multiple Myeloma Genomics Initiative, shows how mutations acquired by multiple myeloma tumors can make a tumor resistant to specific therapies and highlights the importance of TGen’s precision medicine approaches.”
Dr. Tiedemann says: “If you think of multiple myeloma as a weed, then proteasome inhibitors are like a goat that eats the mature foliage above ground, producing a remission, but doesn’t eat the roots, so that one day the weed returns.”
The study – Xbp1s-Negative Tumor B Cells and Pre-Plasmablasts Mediate Therapeutic Proteasome Inhibitor Resistance in Multiple Myeloma – was funded by the National Cancer Institute, Multiple Myeloma Research Foundation, Leukemla and Lymphoma Society and Canadian Cancer Society, the Arthur Macaulay Cushing Estate and The Princess Margaret Cancer Foundation.
- Dette svar blev ændret 8 år, 6 måneder siden af Carsten Levin.