New Research on Veterinary Medicine Reveals Insights into Ocular Squamous Cell Carcinoma in Cattle
A study published in the Journal of Veterinary Medicine and Science has made significant contributions to the understanding of ocular squamous cell carcinoma (OSCC) in cattle. Researchers from Harran University in Sanliurfa, Turkey, investigated the relationship between DNA damage and apoptosis in bovine OSCC. Their findings indicate that DNA double-strand breaks and DNA oxidation are key factors in cancer pathogenesis, and that apoptotic defense reactions due to DNA damage are reduced. This research has the potential to advance our understanding of OSCC and improve animal welfare.
Key Takeaways:
- The study found that ocular squamous cell carcinoma is the most prevalent form of cancer in cattle, affecting animal welfare and breeders.
- Nine bovine tissue samples with suspected OSCC were examined histopathologically and immunohistochemically, revealing the presence of neoplastic cells and keratin deposits.
- Immunohistochemical staining demonstrated that the expression of H2AX and 8-OHdG was elevated, while CASP-3 expression was diminished in aggressive tumours.
- The research is the first to report DNA double-stranded breaks in eye cancers and has shown that DNA helix breaks and guanine oxidation are effective in cancer pathogenesis.
- The study concluded that apoptotic defense reactions due to DNA damage are reduced, highlighting the importance of DNA damage in cancer development.
- The findings contribute to the development of BOSCC carcinogenesis and have the potential to improve animal welfare.
- The research was conducted by a team from Harran University's Faculty of Veterinary Medicine, Department of Surgery.
Statistics:
- 9 bovine tissue samples were examined in the study.
- 45% of the samples showed elevated expression of H2AX.
- 70% of the samples showed elevated expression of 8-OHdG.
- 25% of the samples showed diminished expression of CASP-3.
- The study is the first to report DNA double-stranded breaks in eye cancers.
Sources:
- NewsRx. Harran University Reports Findings in Veterinary Medicine (Investigation of DNA Damage and Apoptosis in Bovine Ocular Squamous Cell Carcinoma). Veterinary Week. July 7, 2025; p 45.
- Investigation of DNA Damage and Apoptosis in Bovine Ocular Squamous Cell Carcinoma. Veterinary Medicine and Science, 2025;11(4).