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GPCR Partners as Cancer Driver Genes: Association with PH-Signal Proteins in a Distinctive Signaling Network

Jeetendra Kumar Nag1, Hodaya Malka1, Priyanga Appasamy1

  • 1Sharett Institute of Oncology, Hadassah-Hebrew University Medical Center, POB 12000, Jerusalem 91120, Israel.

International Journal of Molecular Sciences
|August 27, 2021
PubMed

Insights

G-protein coupled receptors (GPCRs) are crucial for tumor growth. Targeting novel PH-binding motifs in protease-activated receptors (PARs) like PAR1 and PAR2 shows promise for developing new cancer drugs.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • G-protein coupled receptors (GPCRs) play a significant role in tumor progression.
  • Despite their importance, GPCR-targeted cancer drugs are scarce.
  • Understanding tumor driver genes offers pathways for novel drug development.

Purpose of the Study:

  • To explore the role of GPCRs in cancer, focusing on protease-activated receptors (PARs).
  • To investigate the significance of a novel PH-binding motif in PAR1 and PAR2 oncogenes.
  • To review GPCR involvement in tumor angiogenesis.

Main Methods:

  • Analysis of the molecular pathways involving GPCRs in tumor growth.
  • Utilizing animal models to study the impact of PAR1 and PAR2 oncogenes.
  • Evaluating therapeutic strategies targeting the PH-binding motif.

Main Results:

  • A novel PH-binding motif in PAR1 and PAR2 was identified as critical for tumor growth.
  • Animal models demonstrated significant tumor formation with PAR1 or PAR2 oncogenes.
  • Inhibition of the PH-binding motif effectively reduced tumor size.

Conclusions:

  • Targeting the PH-binding motif in PAR1 and PAR2 presents a viable strategy for cancer therapy.
  • Further research into GPCRs, particularly in tumor angiogenesis, is warranted.
  • This study highlights the potential of GPCR-based drugs in oncology.
Keywords:
G-protein coupled receptors (GPCRs)angiogenesisprotease-activated receptors (PARs)

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