背景资料概要：目前已有不同的生长和分化因子使用于脊柱融合中诱导骨形成。

Summary of Background Data. Different growth and differentiation factors are currently being used for inducing bone formation in spinal fusion.

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背景与目的血管内皮生长因子c (VEGF - C)可以诱导淋巴管上皮细胞增殖和淋巴窦的新生。

Background and objective It has been showed that VEGF-C can induce the proliferation of lymphocytes.

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背景：米非司酮是抑制表达的孕激素诱导阻断因子(PIBF)。

Background: Mifepristone was found to suppress expression of the progesterone-induced blocking factor (PIBF).

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