Objective To understand the single-cell RNA sequencing(scRNA-seq)and its research progress in the tumor microenvironment(TME)of breast cancer,in order to provide new ideas and directions for the research and treatment of breast cancer.Method The development of scRNA-seq technology and its related research literature in breast cancer TME at home and abroad in recent years was reviewed.Results The scRNA-seq was a quantum technology in high-throughput sequencing of mRNA at the cellular level,and had become a powerful tool for studying cellular heterogeneity when tissue samples were fewer.While capturing rare cell types,it was expected to accurately describe the complex structure of the TME of breast cancer.Conclusions After decades of development,scRNA-seq has been widely used in tumor research.Breast cancer is a malignant tumor with high heterogeneity.The application of scRNA-seq in breast cancer research can better understand its tumor heterogeneity and TME,and then promote development of personalized diagnosis and treatment.
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