Natural products targeting the ATR-CHK1 signaling pathway in cancer therapy

Salman Ahmed, Waqas Alam, Michael Aschner, Khalaf F. Alsharif, Ashraf Albrakati, Luciano Saso, Haroon Khan

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations


Cancer is one of the most severe medical conditions in the world, causing millions of deaths each year. Chemotherapy and radiotherapy are critical for treatment approaches, but both have numerous adverse health effects. Furthermore, the resistance of cancerous cells to anticancer medication leads to treatment failure. The rising burden of cancer requires novel efficacious treatment modalities. Natural remedies offer feasible alternative options against malignancy in contrast to available synthetic medication. Selective killing of cancer cells is privileged mainstream in cancer treatment, and targeted therapy represents the new tool with the potential to pursue this aim. The discovery of innovative therapies targeting essential components of DNA damage signaling and repair pathways such as ataxia telangiectasia mutated and Rad3 related Checkpoint kinase 1 (ATR-CHK1)has offered a possibility of significant therapeutic improvement in oncology. The activation and inhibition of this pathway account for chemopreventive and chemotherapeutic activity, respectively. Targeting this pathway can also aid to overcome the resistance of conventional chemo- or radiotherapy. This review enlightens the anticancer role of natural products by ATR-CHK1 activation and inhibition. Additionally, these compounds have been shown to have chemotherapeutic synergistic potential when used in combination with other anticancer drugs. Ideally, this review will trigger interest in natural products targeting ATR-CHK1 and their potential efficacy and safety as cancer lessening agents.

Original languageEnglish (US)
Article number113797
JournalBiomedicine and Pharmacotherapy
StatePublished - Nov 2022


  • ATR-CHK1
  • Chemopreventive
  • Chemotherapeutic
  • MDR cancer
  • Natural products targeting ATR-CHK1

ASJC Scopus subject areas

  • Pharmacology


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