Second, the proteoglycan content was not uniform across the nucleus regions. 第二,横贯髓核区域的蛋白多糖含量并不是均匀的。
Cytotoxic granules contain perforin and a group of serine proteases called granzymes in a proteoglycan matrix. 细胞毒性颗粒中含有包裹在蛋白多糖基质中的穿孔素和一类被称作颗粒酶的丝氨酸蛋白酶。