In autoimmune diseases, like arthritis or Crohns disease, t cells mistake fragments of the body's own cells for foreign invaders, leading to the body launching an attack upon itself.

在自身免疫系统疾病中，如关节炎或克隆恩氏病，T细胞误把自身细胞碎片当作外来入侵者，导致自己攻击自己。

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An offload it was though that undid Wakefield in the next St Helens attack when a mistake by captain Jason Demetriou was picked up by Wheeler who found Wilkin in space.

BBC: Wakefield 18-42 St Helens

Bentley was ruled to have pushed Andy Procter in the box and Edwards sent keeper Lance Cronin the wrong way, and in the very next attack Gornell was tripped by Josh Gowling and Edwards made no mistake.

BBC: Sport - Football - Accrington 7-4 Gillingham