抗体具有非常特异性，每种抗体只识别和结合一种蛋白质区域。
Antibodies are very specific in that each antibody will recognize and bind to one protein region only.
曲妥珠单抗是一种人源化抗体，用于靶向和阻断her2的功能，而后者是由特异基因编码的一种蛋白，具有致癌潜能。
Trastuzumab is a humanised antibody, designed to target and block the function of HER2, a protein produced by a specific gene with cancer-causing potential.
方法：选用特异性抗体，用免疫组化的方法检测了10例正常头皮标本中五种神经肽的表达情况。
Method: The expression of five neuropeptides (NPs) were detected in scalp specimen of 10 normal people by using immunohistochemical staining method with specific antibodies.
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