New Marine-Inspired Oxadiazole Derivatives for Use Against Pancreatic Ductal Adenocarcinoma

Camilla Pecoraro1, Daniela Carbone1, Fares Hezam Mohammed Al Ostoot1,2

  • 1Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università Degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy.

Marine Drugs
|August 27, 2025
PubMed

Insights

New marine-inspired compounds show promise against pancreatic cancer. These 1,2,4-oxadiazole derivatives effectively inhibit pancreatic ductal adenocarcinoma (PDAC) cell growth, migration, and colony formation, offering potential new therapies.

Area of Science:

  • Medicinal Chemistry
  • Oncology
  • Drug Discovery

Background:

  • Pancreatic ductal adenocarcinoma (PDAC) is a highly lethal cancer with poor therapeutic outcomes.
  • Limited treatment options exist due to late diagnosis, aggressive nature, and drug resistance.

Purpose of the Study:

  • To design, synthesize, and evaluate novel topsentin derivatives with a 1,2,4-oxadiazole core for anticancer activity.
  • To identify potent inhibitors of pancreatic cancer cell proliferation, migration, and clonogenicity.

Main Methods:

  • Synthesis of a new series of 1,2,4-oxadiazole derivatives.
  • Screening of antiproliferative activity against PDAC cell lines (SUIT-2, Patu-T, PANC-1).
  • Assessment of cell migration and clonogenic potential.

Main Results:

  • Several synthesized compounds exhibited potent antiproliferative effects on PDAC cells, especially SUIT-2 and Patu-T.
  • These derivatives significantly inhibited cancer cell migration and reduced colony formation.
  • IC50 values were in the micromolar range, indicating significant potency.

Conclusions:

  • The marine-inspired 1,2,4-oxadiazole derivatives effectively target key PDAC hallmarks.
  • These compounds demonstrate potential for overcoming drug resistance and metastatic progression in pancreatic cancer.
  • Further development is warranted for these promising anticancer candidates.

Related Concept Videos

Cancer Therapies02:49

Cancer Therapies

Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
8.6K
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
7.1K
Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists01:18

Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists

Endothelins (ETs) are potent vasoactive peptides critical in the human body's various physiological and pathological processes. One of the most promising therapeutic strategies for treating pulmonary arterial hypertension (PAH) involves counteracting the effects of these endothelins using a class of drugs known as endothelin receptor antagonists.
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
619
Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure01:16

Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure

Oxygen therapy has emerged as a significant tool in enhancing the quality of life for patients suffering from pulmonary arterial hypertension (PAH). While this therapy has principally been studied on patients with significant hypoxemia, this therapeutic approach helps prevent potential organ damage and can be administered in the comfort of one's home.
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue,...
826