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Review
. 2021 May 20;11(5):765.
doi: 10.3390/biom11050765.

Transient Receptor Potential (TRP) Channels in Haematological Malignancies: An Update

Affiliations
Review

Transient Receptor Potential (TRP) Channels in Haematological Malignancies: An Update

Federica Maggi et al. Biomolecules. .

Abstract

Transient receptor potential (TRP) channels are improving their importance in different cancers, becoming suitable as promising candidates for precision medicine. Their important contribution in calcium trafficking inside and outside cells is coming to light from many papers published so far. Encouraging results on the correlation between TRP and overall survival (OS) and progression-free survival (PFS) in cancer patients are available, and there are as many promising data from in vitro studies. For what concerns haematological malignancy, the role of TRPs is still not elucidated, and data regarding TRP channel expression have demonstrated great variability throughout blood cancer so far. Thus, the aim of this review is to highlight the most recent findings on TRP channels in leukaemia and lymphoma, demonstrating their important contribution in the perspective of personalised therapies.

Keywords: TRP; leukaemia; lymphoma.

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Conflict of interest statement

The authors declare no competing financial interests.

Figures

Figure 1
Figure 1
Structure and localisation of TRP channels: (A) structural domains and motifs in the N- and C- terminus of TRP channel subfamilies [7]; (B) intracellular localisation of TRP channel subfamilies and SOCE machinery. Abbreviations: TRPA, transient receptor potential ankyrin; TRPC, transient receptor potential canonical; TRPM, transient receptor potential melastatin; TRPML, transient receptor potential mucolipidin; TRPP, transient receptor potential polycystic; TRPV, transient receptor potential vanilloid; ER, endoplasmatic reticulum; EV, vesicle of exocytosis; EE, early endosome; RE, recycling endosome; LE, late endosome; PM, plasma membrane; STIM1, stromal interaction molecule 1; Orai1, calcium release-activated calcium channel protein 1.
Figure 2
Figure 2
TRPM2 depletion has been correlated with the impairment of several pathways essential for the survival of leukemic cancer cells, suggesting TRPM2 as a strategic therapeutic _target [48,49,70]. Abbreviations: HSC, hematopoietic stem cells; GMP, granulocyte-macrophage progenitors; AML, acute myeloid leukaemia; TRPM2, transient receptor potential melastatin 2; HIF 1/2α, hypoxia-inducible factor 1/2α; FOXO3a, forkhead box O3a; Nrf2, nuclear factor erythroid 2–related factor 2; ULK1, Unc-51 like autophagy activating kinase 1; Atg7, autophagy-related 7; Atg5, autophagy-related 5; ATP, adenosine triphosphate; OCR, oxygen consumption rate; Tom20, translocase of outer membrane 20; KO, knockout; (↑) increment; (↓) reduction.

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