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Area of Science:

  • Molecular Biology
  • Oncology
  • Cardiovascular Physiology

Background:

  • Endothelins (ETs) are a family of four peptides (ET-1, ET-2, ET-3, ET-4) primarily secreted by the endothelium.
  • These peptides exhibit pleiotropic biological activities, including regulation of cell proliferation, migration, angiogenesis, and apoptosis.
  • ETs play significant roles in blood pressure regulation, tissue perfusion, and myocardial function.

Purpose of the Study:

  • To provide a concise overview of the endothelin peptide family.
  • To elucidate the involvement of endothelins and their receptors in carcinogenesis.
  • To explore the potential of endothelin receptor antagonists as therapeutic agents in human malignancies.

Main Methods:

  • Literature review of studies on endothelin biology and function.
  • Analysis of research linking endothelin signaling pathways to cancer development.
  • Examination of clinical trial data for endothelin receptor antagonists in oncology.

Main Results:

  • Endothelin signaling is implicated in the pathogenesis of numerous diseases, including cardiovascular, renal, pulmonary, and skin disorders, often with fibrotic components.
  • The role of endothelins and their receptors in carcinogenesis has been documented across various cancers, such as breast, prostate, colorectal, ovarian, lung, kidney, endometrial, and melanoma.
  • Endothelin dysregulation is associated with altered transcriptional activity and signaling pathways contributing to cancer progression.

Conclusions:

  • Endothelins and their receptors are significantly involved in carcinogenesis and the pathogenesis of fibrotic diseases.
  • ETs and their receptors may serve as prognostic and predictive factors in human malignant tumors.
  • Endothelin receptor antagonists represent a promising avenue for molecular therapeutic strategies in human malignancies.