The ECM is a multifunctional complex of proteins and proteoglycans assembled in a highly organized manner that contributes to the structural integrity of cells and tissue within an organ system.

ECM是一种以高度组织有序的方式构建而成的蛋白和蛋白多糖的多功能复合体，有助于保持器官系统内细胞和组织结构的完整性。

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He also suggested that people get seventy to seventy-five percent of their calories from complex carbohydrates, and fifteen to twenty percent from proteins.

VOA: special.2011.07.05

The four were focused on the proteasome, a complex of proteins in cells that work as molecular garbage disposal units, engulfing and chopping up proteins when they are no longer needed.

FORBES: The Tireless Hunter

Better spatial visualization is a must for dozens of professions: surgeons training for arthroscopic procedures, drug researchers modeling how complex proteins fold in upon themselves, petroleum geologists mapping miles-deep oilfields.

FORBES: Adventures in the Third Dimension

By the early 1990s the amyloid theory attracted the interest of Lansbury, then at MIT doing basic research on how proteins fold into their complex final structures.

FORBES: Health