Journal
BIOCHIMICA ET BIOPHYSICA ACTA-REVIEWS ON CANCER
Volume 1877, Issue 3, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.bbcan.2022.188720
Keywords
Single cell RNA sequencing; Hepatocellular carcinoma; Tumor microenvironment; T cell exhaust; Cancer stem cell; Tumor-associated macrophage
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Funding
- National Natural Science Foundation of China [81572356, 81871997, 82170624]
- National Key R&D Program of China [2016YFE0107400]
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Advancements in single cell RNA sequencing (scRNA-Seq) technology have led to a better understanding of hepatic carcinogenesis, microenvironment, and immune surveillance escape in hepatocellular carcinoma (HCC). By analyzing genetic information at the cellular level, we can uncover pathophysiologic changes in the tumor microenvironment (TME) and track the development of cancer stem cells (CSCs), circulating tumor cells (CTCs), and immune cell subsets. This knowledge has significantly advanced our understanding of HCC progression, treatment responses, and metastasis.
Unsatisfied clinical outcome drives to better understand hepatic carcinogenesis, microenvironment and escape of immune surveillance in hepatocellular carcinoma (HCC). Single cell RNA sequencing (scRNA-Seq) has generated enormous data to pinpoint pathophysiologic alterations in tumor microenvironment (TME) or trace lineage development in cancer stem cells (CSCs), circulating tumor cells (CTCs), and subsets of immune cells, such as exhausting T cells, tumor-associated macrophages (TAMs), dendritic cells or other lineages. New insights have significantly advanced current understanding in progression, poor responses to molecular-targeted therapeutics or immune checkpoint inhibitors, metastasis in both basic research and clinical practice. The present review intends to cover a basic workflow of the scRNA-seq technology, existing limitations and improvement areas. Moreover, in-depth understanding in TME, exhausting T cells, CSCs, CTCs, tumor-associated macrophages, dendritic cells in HCC facilitates implementation of personalized and precise therapy in an era of availability with an array of systemic regimens.
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