Objective To study the association of particulate brain proteoglycan (PG) with development and aging of the brain.
目的探讨颗粒性脑蛋白聚糖（PG）与脑发育和老化的关系。
Objective To observe the effects of ectogenetic estrogen on changes of proteoglycan (PG) in articular cartilage matrix of osteoarthritis(OA) and to explore the treatment of ectogenetic estrogen on OA.
目的观察雌激素对骨关节炎（OA） 模型软骨基质蛋白多糖变化的影响，探讨外源性雌激素治疗OA的作用机理。
Objective To observe the effects of ectogenetic estrogen on changes of proteoglycan (PG) in articular cartilage matrix of osteoarthritis(OA) and to explore the treatment of ectogenetic estrogen on OA.
目的观察雌激素对骨关节炎（OA） 模型软骨基质蛋白多糖变化的影响，探讨外源性雌激素治疗OA的作用机理。
应用推荐