期刊
FRONTIERS IN ONCOLOGY
卷 11, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fonc.2021.651057
关键词
nuclear factor of activated T cells; B-cell receptor; chronic lymphocytic leukemia; lymphoma; lymphoid malignancies
类别
资金
- Ministero della Salute under Ricerca Finalizzata [RF-2018-12367072]
- AIRC [23088]
In recent years, significant progress has been made in the clinical management of chronic lymphocytic leukemia and other B-cell malignancies by targeting B-cell receptor signaling molecules. However, a proportion of patients remain uncured, leading to efforts in studying new potential targets. NFAT is overexpressed and constitutively activated in CLL, with targeting this molecule impacting on CLL cell viability.
In recent years significant progress has been made in the clinical management of chronic lymphocytic leukemia (CLL) as well as other B-cell malignancies; targeting proximal B-cell receptor signaling molecules such as Bruton Tyrosine Kinase (BTK) and Phosphoinositide 3-kinase (PI3K delta) has emerged as a successful treatment strategy. Unfortunately, a proportion of patients are still not cured with available therapeutic options, thus efforts devoted to studying and identifying new potential druggable targets are warranted. B-cell receptor stimulation triggers a complex cascade of signaling events that eventually drives the activation of downstream transcription factors including Nuclear Factor of Activated T cells (NFAT). In this review, we summarize the literature on the expression and function of NFAT family members in CLL where NFAT is not only overexpressed but also constitutively activated; NFAT controls B-cell anergy and targeting this molecule using specific inhibitors impacts on CLL cell viability. Next, we extend our analysis on other mature B-cell lymphomas where a distinct pattern of expression and activation of NFAT is reported. We discuss the therapeutic potential of strategies aimed at targeting NFAT in B-cell malignancies not overlooking the fact that NFAT may play additional roles regulating the inflammatory microenvironment.
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