The test detects glycosaminoglycan or GAG, the polymer that gives cartilage (the material that cushions our joints) it's toughness and elasticity. Loss of GAG heralds the onset of osteoarthritis.

这一检查可以发现粘多糖或叫GAG，这种聚合物使得关节软骨(关节的衬垫)牢固而又有弹性。粘多糖减少导致骨性关节炎的发生。

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Has a high affinity for its receptors. Forms part of the glycosaminoglycan (GAG) complex; binds water in a cushion-like material.

具有与受体的高亲和力。与形成糖胺(聚糖)复合体一部分；和水结合成为垫子一样的物质。

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METHODS: Hydroproline determination and ELISA were used for measuring the content of collagen, Alcian blue assay for BLM-A6 induced glycosaminoglycan (GAG) in the lung tissues (rats, mice).

方法：羟脯氨酸法、间接酶联免疫吸附法（ELISA）测定博莱霉素A6（BLMA6）诱发的小鼠、大鼠肺纤维化模型肺组织胶原含量及合成，阿利新蓝法测定其糖胺多糖（GAG）含量；

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