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核酸作为生物体遗传信息的携带者和传递者, 在许多疾病的发生、发展及预后中具有重要意义。许多疾病, 尤其是肿瘤性疾病, 都伴有基因的突变、基因表达的上调或下调等。随着基因研究和基因显像技术的发展, 各种核酸及其类似物的标记成为热点, 放射性核素标记的核酸或核酸类似物有望成为疾病早期诊断、靶向性治疗和实时监测的有利工具。
核酸及其类似物的常见放射性核素标记及显像
Radionuclide labeling and imaging nucleic acids and its analogues
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摘要: 放射性核素标记的核酸及其类似物在基因标记显像和基因治疗药物开发等多方面具有重要意义。该文对常见的放射性核素标记核酸及其类似物的方法和动物显像进行综述,并评述其应用前景。Abstract: Radionuclidelabeled nucleic acids and its analogues have played an important role in imaging genetic markers and developing gene-therapy drugs.In this review, the common radiolabelling and imaging methods are recapitulated, and their applications perspective is evaluated.
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Key words:
- Nucleic acids /
- Isotope labeling /
- Radionuclide imaging
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