目的研究多发性骨髓瘤（MM）细胞脑源性神经营养因子（BDNF）的表达水平及其与MM细胞诱导的血管新生的关系。

Objective To investigate the expression of brain-derived neurotrophic factor (BDNF) in multiple myeloma (MM) cells and the correlation between BDNF and MM angiogenesis.

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目的：检测多发性骨髓瘤（ MM ）骨髓活检塑料包埋切片中血管内皮生长因子（ VEGF）的表达情况，探讨VEGF在MM发病机制中的作用。

Objective To detect of vascular endothelial grow th factor(VEGF) in multiple myeloma(MM) plastic-embedded sections of bone marr ow biopsy, and investigate the role of VEGF in MM patients pathogenesis.

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