Therapeutic Potential of Bioactive Substances in Oxidative Stress-Induced Carcinogenesis

A special issue of Antioxidants (ISSN 2076-3921). This special issue belongs to the section "Natural and Synthetic Antioxidants".

Deadline for manuscript submissions: 28 February 2026 | Viewed by 1202

Special Issue Editor


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Guest Editor
Laboratory of Human Genetics, Institute of Natural Sciences, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil
Interests: genotoxicological assessment and safety; experimental models of carcinogenesis; cancer chemoprevention by phytocompounds; mechanisms of oxidative stress induction and the main antioxidant systems; molecular mechanisms involved in the antitumor activity of natural and synthetic compounds; food and health

Special Issue Information

Dear Colleagues,

There is already a consensus that oxidative stress (OS) is not only a result of carcinogenesis but also a significant contributor to its development and progression. The main mechanisms by which OS contributes to carcinogenesis are related to the induction of gene mutations that activate the cell signaling pathways, stimulating cell division and inhibiting apoptosis, promoting angiogenesis, and favoring immune evasion, thereby facilitating the survival and dissemination of tumor cells.

Bioactive substances found in foods and medicinal plants have attracted interest due to their therapeutic potential in cancer prevention and treatment. Studies have demonstrated that antioxidants, such as polyphenols, carotenoids, and vitamins, found in fruits, vegetables, and teas possess protective properties against OS and carcinogenesis. Moreover, bioactive substances in combination with conventional therapies have shown potential effects, increasing treatment efficacy and reducing side effects. Therefore, prospecting substances with therapeutic potential and elucidating their mechanisms of action in the carcinogenesis process may lead to the development of more effective and safer therapeutic strategies.

We invite researchers to propose reviews or original research articles on the latest advances in the study of the therapeutic potential of bioactive substances in OS-induced carcinogenesis that may be included in the following potential topics (but are not limited to them):

  • Antioxidant bioactive substances in cancer chemoprevention;
  • Antioxidant bioactive substances in cancer chemotherapy;
  • Antimutagenic bioactive substances with antioxidant potential;
  • Mechanisms of action of bioactive agents in different stages of carcinogenesis;
  • Bioactive substances and conventional therapies.

Prof. Dr. Pollyanna Francielli De Oliveira
Guest Editor

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Keywords

  • carcinogenesis
  • reactive oxygen species
  • free radicals
  • oxidative stress
  • therapeutics
  • bioactive substances
  • antioxidants
  • dietary supplementation
  • chemoprevention
  • biomarkers
  • DNA damage

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Published Papers (1 paper)

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Research

17 pages, 1913 KB  
Article
Resveratrol–Curcumin Hybrid Selectively Induces Chromosomal Abnormalities and Apoptosis in Colon Adenocarcinoma Cells
by Mariane Minussi Baptistella, Aléxia Polo Siqueira, Dâmaris Lizia Santos Magalhães, Bruno Zavan, Carolina Sales de Oliveira, Matheus de Freitas Silva, Ellen Tardelli Falleiros Lima, Claúdio Viegas, Jr., Bruno Martins Dala-Paula, Ester Siqueira Caixeta, Marisa Ionta and Pollyanna Francielli de Oliveira
Antioxidants 2025, 14(11), 1367; https://doi.org/10.3390/antiox14111367 - 17 Nov 2025
Viewed by 654
Abstract
Colorectal cancer (CRC) therapy frequently relies on chemotherapeutic agents with high cytotoxicity, low selectivity, and suboptimal efficacy. Thus, the search for alternative therapeutic strategies for CRC continues. In the present work, the antitumor potential of a hybrid compound, which contains fragments derived from [...] Read more.
Colorectal cancer (CRC) therapy frequently relies on chemotherapeutic agents with high cytotoxicity, low selectivity, and suboptimal efficacy. Thus, the search for alternative therapeutic strategies for CRC continues. In the present work, the antitumor potential of a hybrid compound, which contains fragments derived from resveratrol and curcumin, was evaluated. These natural compounds are known by their antioxidant, chemopreventive, and chemotherapeutic properties. Different methodologic approaches were used to investigate cytotoxic, genotoxic, antiproliferative, and antioxidant effects of a hybrid compound, named PQM-162, on HCT-8 colorectal cancer cells. The results showed that PQM-162 displays radical scavenging capacity as demonstrated by DPPH assay. Furthermore, this substance reduced cell viability and inhibited cell cycle progression at G2/M in HCT-8 cells. Antiproliferative activity of PQM-162 was associated with its ability to modulate the expression of critical regulators of G2/M transition and mitosis progression such as PLK1, AURKB, and CDKN1A. Taken together, our data indicate that PQM-162 is a promising antitumor agent due to its disruption of the redox balance in cancer cells and its modulation of the expression of regulators of the cell cycle and mitotic apparatus. Full article
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