期刊
THERANOSTICS
卷 11, 期 10, 页码 4872-4893出版社
IVYSPRING INT PUBL
DOI: 10.7150/thno.56409
关键词
organelles; SERS; label; label-free; subcellular analysis
资金
- National Natural Science Foundation of China [21873039, 21573087, 21573092]
- China Scholarship Council
Organelles play crucial roles in cell activities and are closely associated with apoptosis, neurodegenerative diseases, cardiovascular diseases, and cancers. Understanding subcellular structures and their abnormal conditions can lead to insights on pathological mechanisms for early diagnosis and effective therapy. Surface-enhanced Raman spectroscopy (SERS) has been shown to be a powerful tool in studying subcellular compartments with molecular specificity and high sensitivity, meeting the demands of cellular investigations.
Organelles are involved in many cell life activities, and their metabolic or functional disorders are closely related to apoptosis, neurodegenerative diseases, cardiovascular diseases, and the development and metastasis of cancers. The explorations of subcellular structures, microenvironments, and their abnormal conditions are conducive to a deeper understanding of many pathological mechanisms, which are expected to achieve the early diagnosis and the effective therapy of diseases. Organelles are also the targeted locations of drugs, and they play significant roles in many targeting therapeutic strategies. Surface-enhanced Raman spectroscopy (SERS) is a powerful analytical tool that can provide the molecular fingerprint information of subcellular compartments and the real-time cellular dynamics in a non-invasive and non-destructive way. This review aims to summarize the recent advances of SERS studies on subcellular compartments, including five parts. The introductions of SERS and subcellular compartments are given. SERS is promising in subcellular compartment studies due to its molecular specificity and high sensitivity, and both of which highly match the high demands of cellular/subcellular investigations. Intracellular SERS is mainly cataloged as the labeling and label-free methods. For subcellular targeted detections and therapies, how to internalize plasmonic nanoparticles or nanostructure in the target locations is a key point. The subcellular compartment SERS detections, SERS measurements of isolated organelles, investigations of therapeutic mechanisms from subcellular compartments and microenvironments, and integration of SERS diagnosis and treatment are sequentially presented. A perspective view of the subcellular SERS studies is discussed from six aspects. This review provides a comprehensive overview of SERS applications in subcellular compartment researches, which will be a useful reference for designing the SERS-involved therapeutic systems.
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