Furthermore since the endotoxin specification change was implemented, the TB Antigen and Nil tubes were manufactured without process validation and released, "FDA said."

此外，美国FDA指出，由于内毒素规格变化的实施，结核病抗原和零管的制造是不具备过程验证和释放的情况下进行的。

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Exosomes released by dendritic cells are enriched in antigen-presenting molecules, they are stable in physical properties, easy to preserve, and can be manufactured rapidly.

树突状细胞释放的外体表面有大量的抗原呈递分子，而且性质稳定，易保存，可快速批量生产。

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