Hsp Inhibitor is Affective Against Adenocarcinomic Human Alveolar Basal Epithelial Cells Through Modulating ERK/MAPK

Servet Tunoğlu1, Lütfi Tutar2, Mehmet Gümüş3

  • 1Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.

Chemistry & Biodiversity
|December 29, 2023
PubMed

Insights

Novel perimidine-pyrazole compounds inhibit cancer cell survival by targeting the ERK-MAPK pathway and Heat Shock Protein 90 (HSP90). These compounds show promise as anticancer drugs for non-small cell lung cancer (NSCLC).

Area of Science:

  • Oncology
  • Molecular Biology
  • Drug Discovery

Background:

  • The extracellular signal-regulated kinase (ERK) - mitogen-activated protein kinase (MAPK) pathway is crucial for cell regulation.
  • Heat Shock Protein 90 (HSP90) promotes tumor growth and survival in non-small cell lung cancer (NSCLC) by activating oncogenic kinases and inhibiting apoptosis.
  • Deregulation of the ERK-MAPK pathway and abnormal HSP90 expression are common in NSCLC.

Purpose of the Study:

  • To investigate novel perimidine-pyrazole compounds as inhibitors of ERK-MAPK pathway deregulation.
  • To evaluate the effects of these compounds on HSP90-dependent cancer cell survival mechanisms in NSCLC.
  • To explore the potential of these compounds as templates for developing new anticancer drugs.

Main Methods:

  • Synthesis and testing of novel perimidine-pyrazole derivatives on an NSCLC cell line.
  • Gene enrichment analysis of array experiments to understand pathway modulation.
  • Senescence and apoptosis assays to confirm cellular effects.
  • In silico methods to predict perimidine-pyrazole/HSP90 interactions.

Main Results:

  • Perimidine-pyrazole derivatives demonstrated cancer-inhibitory effects on NSCLC cells.
  • Compounds induced pro-senescence and pro-apoptotic effects.
  • Inhibition of cancer cell survival was mediated through the ERK/MAPK pathway.
  • In silico analysis supported interactions between compounds and HSP90.

Conclusions:

  • Novel perimidine-pyrazole compounds effectively inhibit NSCLC cell growth.
  • These compounds target cancer cell survival via the ERK/MAPK pathway and HSP90.
  • Perimidine-pyrazole derivatives represent promising candidates for future anticancer drug development.

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