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자료유형
학술저널
저자정보
Hye Won Lee (Yonsei University College of Medicine) Yun Shin Chung (Sungkyunkwan University School of Medicine) Tae Jin Kim (Sungkyunkwan University School of Medicine)
저널정보
대한면역학회 Immune Network Immune Network Vol.20 No.1
발행연도
2020.2
수록면
59 - 73 (15page)

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The γδ T cells are unconventional lymphocytes that function in both innate and adaptive immune responses against various intracellular and infectious stresses. The γδ T cells can be exploited as cancer-killing effector cells since γδ TCRs recognize MHC-like molecules and growth factor receptors that are upregulated in cancer cells, and γδ T cells can differentiate into cytotoxic effector cells. However, γδ T cells may also promote tumor progression by secreting IL-17 or other cytokines. Therefore, it is essential to understand how the differentiation and homeostasis of γδ T cells are regulated and whether distinct γδ T cell subsets have different functions. Human γδ T cells are classified into Vδ2 and non-Vδ2 γδ T cells. The majority of Vδ2 γδ T cells are Vγ9δ2 T cells that recognize pyrophosphorylated isoprenoids generated by the dysregulated mevalonate pathway. In contrast, Vδ1 T cells expand from initially diverse TCR repertoire in patients with infectious diseases and cancers. The ligands of Vδ1 T cells are diverse and include the growth factor receptors such as endothelial protein C receptor. Both Vδ1 and Vδ2 γδ T cells are implicated to have immunotherapeutic potentials for cancers, but the detailed elucidation of the distinct characteristics of 2 populations will be required to enhance the immunotherapeutic potential of γδ T cells. Here, we summarize recent progress regarding cancer immunology of human γδ T cells, including their development, heterogeneity, and plasticity, the putative mechanisms underlying ligand recognition and activation, and their dual effects on tumor progression in the tumor microenvironment.

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ABSTRACT
INTRODUCTION
ORIGIN AND DEVELOPMENT OF THE HUMAN γδ T CELLS
HETEROGENEITY OF THE HUMAN γδ T CELLS
THE γδ TCR STRUCTURE AND ACTIVATION OF THE HUMAN γδ T CELLS
THE γδ T CELLS IN THE TUMOR MICROENVIRONMENT(TME)
FUTURE DIRECTIONS FOR OPTIMIZING ADOPTIVE γδ T CELL TRANSFER AS AN ALTERNATIVE CANCER IMMUNOTHERAPY
CONCLUDING REMARKS
REFERENCES

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