Those antibodies are immune responses to a specific antigen.

这些抗体是对特异性抗原的免疫反应。

Prostate cancer can also cause an elevation in the prostate specific antigen.

前列腺癌会引起前列腺特异性抗原含量升高。

Typically, a serum prostate specific antigen is also elevated in prostate cancer.

通常血清前列腺特异性抗原升高也提示前列腺癌。

They make antibodies and remember specific antigens.

他们制造抗体并记住特定的抗原。

This means they are targeted to a specific antigen and is a key trait that makes them useful in diagnosing and treating diseases.

这意味着它们是针对特定抗原的，这是使它们在诊断和治疗疾病中有用的关键特征。

It is the mechanism of blood in bodies of living organisms which can differentiate one individual from the other based on the presence or absence of specific antigens in blood.

它是生物体内血液的机制，可以根据血液中特定抗原的存在或不存在来区分个体。