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BTB domain and CNC homolog 2: A master regulator that controls immune response and cancer progression
Chenyang Li1, Wei Lu2, Han Zhang1
1Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, Yunnan 650118, China.
Abstract:
BTB domain and CNC homolog 2 (BACH2) is a transcription repressor from the basic region leucine zipper (bZIP) family. Although BACH2 is predominantly expressed in lymphoid cells, it plays pivotal roles throughout hematological development and differentiation, ranging from the regulation of hematopoietic stem and progenitor cell (HSPC) lineage commitment to the development of both innate and adaptive immune cells. Given its extensive regulation of immunity, it is not surprising that BACH2 has been implicated in cancer, particularly in hematological malignancies. While multiple findings indicate that BACH2 acts primarily as a tumor suppressor, other findings suggest that BACH2, whether within tumor cells or their surrounding microenvironment, may contribute to tumorigenesis and progression, highlighting the complexity of its roles and the diverse networks involved in different contexts. In this review, we provide a comprehensive overview of the evolving roles of BACH2 across various stages of hematopoiesis, with a particular focus on its associations with cancer and its therapeutic potential in a wide range of cancer types.
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