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1.Serum IgA levels are often used to monitor the immune system's response to infections.
血清IgA水平常用于监测免疫系统对感染的反应。
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2.The study found that serum IgA levels were significantly higher in children with allergies.
研究发现，患有过敏症的儿童血清IgA水平显著升高。
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3. Serum IgA is a key component of the humoral immune response, playing a crucial role in protecting against pathogens.
血清IgA是体液免疫反应的关键成分，在抵御病原体方面起着至关重要的作用。