Endolysosomal Ca 2+ signalling and cancer hallmarks: Two-pore channels on the move, TRPML1 lags behind!

Pawan Faris, Mudhir Shekha, Daniela Montagna, Germano Guerra, Francesco Moccia

Research output: Contribution to journalReview article

8 Citations (Scopus)

Abstract

The acidic vesicles of the endolysosomal (EL) system are emerging as an intracellular Ca2+ store implicated in the regulation of multiple cellular functions. The EL Ca2+ store releases Ca2+ through a variety of Ca2+-permeable channels, including Transient Receptor Potential (TRP) Mucolipin 1-3 (TRPML1-3) and two-pore channels 1-2 (TPC1-2), whereas EL Ca2+ refilling is sustained by the proton gradient across the EL membrane and/or by the endoplasmic reticulum (ER). EL Ca2+ signals may be either spatially restricted to control vesicle trafficking, autophagy and membrane repair or may be amplified into a global Ca2+ signal through the Ca2+-dependent recruitment of ER-embedded channels. Emerging evidence suggested that nicotinic acid adenine dinucleotide phosphate (NAADP)-gated TPCs sustain multiple cancer hallmarks, such as migration, invasiveness and angiogenesis. Herein, we first survey the EL Ca2+ refilling and release mechanisms and then focus on the oncogenic role of EL Ca2+ signaling. While the evidence in favor of TRPML1 involvement in neoplastic transformation is yet to be clearly provided, TPCs are emerging as an alternative target for anticancer therapies.

Original languageEnglish
Article number27
JournalCancers
Volume11
Issue number1
DOIs
Publication statusPublished - Jan 1 2019

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Endoplasmic Reticulum
Transient Receptor Potential Channels
Membranes
Autophagy
Protons
Neoplasms
Therapeutics
NAADP
Surveys and Questionnaires

Keywords

  • Angiogenesis
  • Cancer
  • Endolysosomal Ca signaling
  • Metastasis
  • NAADP
  • Proliferation
  • TPCs
  • TRPML1

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Endolysosomal Ca 2+ signalling and cancer hallmarks : Two-pore channels on the move, TRPML1 lags behind! / Faris, Pawan; Shekha, Mudhir; Montagna, Daniela; Guerra, Germano; Moccia, Francesco.

In: Cancers, Vol. 11, No. 1, 27, 01.01.2019.

Research output: Contribution to journalReview article

Faris, Pawan ; Shekha, Mudhir ; Montagna, Daniela ; Guerra, Germano ; Moccia, Francesco. / Endolysosomal Ca 2+ signalling and cancer hallmarks : Two-pore channels on the move, TRPML1 lags behind!. In: Cancers. 2019 ; Vol. 11, No. 1.
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