医学
分子成像
曲妥珠单抗
乳腺癌
靶向治疗
癌症研究
单克隆抗体
生物标志物
体内
酪氨酸激酶
癌症
表皮生长因子受体
抗体
病理
内科学
免疫学
生物
受体
生物技术
生物化学
作者
Vladimir Tolmachev,Anna Orlova,Jens Benn Sørensen
标识
DOI:10.1016/j.semcancer.2020.10.005
摘要
Targeting of human epidermal growth factor type 2 (HER2) using monoclonal antibodies, antibody-drug conjugates and tyrosine kinase inhibitors extends survival of patients with HER2-expressing metastatic breast cancer. High expression of HER2 is a predictive biomarker for such specific treatment. Accurate determination of HER2 expression level is necessary for stratification of patients to targeted therapy. Non-invasive in vivo radionuclide molecular imaging of HER2 has a potential of repetitive measurements, addressing issues of heterogeneous expression and conversion of HER2 status during disease progression or in response to therapy. Imaging probes based of several classes of targeting proteins are currently in preclinical and early clinical development. Both preclinical and clinical data suggest that the most promising are imaging agents based on small proteins, such as single domain antibodies or engineered scaffold proteins. These agents permit a very specific high-contrast imaging at the day of injection.
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