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[Does multiple myeloma response to induction therapy depend on plasma cell IL6 receptor gene expression?]
Background:
Interleukine 6 (IL-6) is the most important cytokine involved in malignant plasma cells growth and survival.
Aim:
To analyse bone marrow plasma cells IL6 receptor gene expression in both multiple myeloma patients at diagnosis and healthy bone marrow donors.
Methods:
Clinical and biological patients' features and responses to Dexamethasone-Thalidomide induction therapy were gathered. 47 patients and 16 case controls were analyzed: Bone marrow plasma cells were isolated; and IL6 receptor gene expression was quantified using Taqman quantitative PCr technology and 2-ΔCT formula.
Results:
Quantitative and qualitative IL6 receptor gene expression were negatively correlated with the degree of response to therapy (p= 0.02). In this study, plasma cells IL6 receptor gene expression seems to be decisive in predicting the response to treatment.
Conclusion:
Understanding the mechanisms involved in plasma cells IL6 receptor gene expression may offer a better appreciation of the physiopathologic and anti-oncogenic ways of drug resistance in multiple myeloma and consequently the discovery of new specific drugs.
