Objective: To explain the role of BMP-2/4 in the pathological process of tuberculosis of spine through studying the expression of BMP-2/4 in different region of spinal tubercular infectious focus.

• 目的通过S-P免疫组织化学染色的方法研究脊柱结核病灶不同部位的BMP-2/4的表达情况,揭示BMP-2/4在脊柱结核病理过程中的作用和意义。