期刊
LEUKEMIA & LYMPHOMA
卷 55, 期 11, 页码 2605-2613出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/10428194.2014.881478
关键词
Multiple myeloma; microenvironment; TSLP
资金
- Grants-in-Aid for Scientific Research [23791067] Funding Source: KAKEN
Recently, the bone marrow (BM) microenvironment has been reported to support the survival of multiple myeloma (MM) cells. In this study, we examined changes in gene expression profile in human mesenchymal stem cells (MSCs) by co-culture with MM cells. cDNA array analysis indicated that co-culture induced multiple factors which have positive effects on the survival of MM cells, such as interleukin-6 (IL-6) and insulin-like growth factor-1. Other than these factors, thymic stromal lymphopoietin (TSLP), which is a cytokine involved in the progression of pancreatic and breast cancer through induction of T helper 2 cell responses, was up-regulated in MSCs. TSLP exhibited no effect on proliferation or drug resistance of MM cells, but TSLP secreted from MSCs by co-culture expanded IL-13 + CD4 + T cells through stimulation of dendritic cells. These results suggested that MM cells positively act to induce various molecules in MSCs, leading to the formation of a more advantageous BM microenvironment for their survival.
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