The amino acid leucine promotes an immunosuppressive population of B cells, and dietary restriction of leucine could benefit patients with colorectal cancer.

中文翻译：

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亮氨酸限制限制了促癌 B 细胞反应

氨基酸亮氨酸可促进免疫抑制的 B 细胞群，限制亮氨酸的饮食可使结直肠癌患者受益。