Related Experiment Video

Updated: Aug 7, 2026

Real-time Live-cell Flow Cytometry to Investigate Calcium Influx, Pore Formation, and Phagocytosis by P2X7 Receptors in Adult Neural Progenitor Cells
11:47

Real-time Live-cell Flow Cytometry to Investigate Calcium Influx, Pore Formation, and Phagocytosis by P2X7 Receptors in Adult Neural Progenitor Cells

Published on: April 3, 2019

The P2X7 Receptor in Cancer: From Functional Receptor to Non-Functional P2X7

Luyao Liu1,2, Yoshiteru Kagawa3, Colin L Masters3

  • 1Department of Surgery, Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC, Australia.

Carcinogenesis
|August 6, 2026
PubMed

Insights

The P2X7 receptor regulates cell functions, but a non-functional P2X7 variant in cancer allows malignant cells to proliferate. Targeting this aberrant P2X7 isoform offers potential new cancer therapies.

Area of Science:

  • Cell Biology
  • Immunology
  • Oncology

Background:

  • P2X7 receptors are crucial in immune, neural, and cancer cells, mediating distinct functions based on ATP exposure.
  • Brief ATP stimulation activates P2X7 as an ion channel regulating cell proliferation and differentiation.
  • Prolonged ATP exposure triggers P2X7 macropore formation, leading to cell death.

Purpose of the Study:

  • To review the multifaceted roles of P2X7 receptors in various cell types.
  • To elucidate how non-functional P2X7 isoforms disrupt cellular balance in cancer.
  • To explore P2X7 targeting for novel cancer therapies.

Main Methods:

  • Literature review of P2X7 receptor functions and cancer-related isoforms.
  • Analysis of P2X7's role in cell proliferation, death, and clearance.
  • Discussion of therapeutic strategies targeting aberrant P2X7.

Main Results:

  • P2X7 exhibits diverse functions including ion channel activity, macropore formation, and scavenger receptor activity.
  • Non-functional P2X7 isoforms in cancer cells evade ATP-induced cell death, promoting proliferation.
  • Aberrant P2X7 disrupts normal cell growth, death, and clearance mechanisms.

Conclusions:

  • The P2X7 receptor plays a complex role in cellular regulation.
  • Non-functional P2X7 variants are implicated in cancer progression by enabling cell survival.
  • Targeting non-functional P2X7 presents a promising avenue for developing new cancer treatments.
Keywords:
CancerNon-functional P2X7 receptorP2X7 receptormacropores

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