Prognostic significance of TWIST and E-cadherin expression in primary tumor blocks of patients with early-stage melanoma and locally advanced rectal cancer: impact on disease outcome and therapy effectiveness
- Authors: Pasechnikova E.A.1,2, Georgieva A.Y.2, Bodnya V.N.1,3, Kadomtsev D.V.2, Porkhanov V.A.1,3, Verevkin A.A.1, Maksimenko S.D.2
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Affiliations:
- Kuban State Medical University, Ministry of Health of Russia
- Clinical Oncology Dispensary № 1, Ministry of Health of the Krasnodar Krai
- Research Institute – Ochapovsky Regional Hospital № 1, Ministry of Health of the Krasnodar Krai
- Issue: Vol 24, No 3 (2025)
- Pages: 70-82
- Section: ORIGINAL REPORTS
- Published: 30.09.2025
- URL: https://bioterapevt.abvpress.ru/jour/article/view/1572
- DOI: https://doi.org/10.17650/1726-9784-2025-24-3-70-82
- ID: 1572
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Abstract
Aim. To assess the prognostic value of TWIST and E-cadherin expression in primary tumor samples of patients with early-stage cutaneous melanoma and locally advanced rectal cancer. To determine their association with clinicopathological features, risk of progression, and treatment response.
Materials and methods. A retrospective analysis of two patient cohorts was performed. The first cohort included
101 patients with pT1a–1b cutaneous melanoma. The second cohort comprised 75 patients with locally advanced rectal cancer (T2–4N0–2M0) who underwent neoadjuvant chemoradiotherapy. In all cases, immunohistochemical assessment of TWIST and E-cadherin expression in primary tumors was carried out. Associations with disease progression, treatment effectiveness, and histopathological features were analyzed.
Results. In melanoma patients, reduced E-cadherin expression (<80 %) and elevated TWIST expression (>20 %) were significantly associated with 5-year disease progression (p <0.01). In rectal cancer patients, similar expression profiles correlated with poor response to chemoradiotherapy (tumor regression grading: 3–4), low tumor regression grade, and reduced overall and disease-free survival (p <0.05). TWIST and E-cadherin demonstrated independent prognostic significance in both cancer types.
Conclusion. Altered TWIST and E-cadherin expression in primary tumors reflects epithelial – mesenchymal transition activation, associated with aggressive clinical behavior, therapy resistance, and higher risk of disease progression. These markers may be used to refine risk stratification and guide treatment personalization.
About the authors
Elizaveta A. Pasechnikova
Kuban State Medical University, Ministry of Health of Russia; Clinical Oncology Dispensary № 1, Ministry of Health of the Krasnodar Krai
Author for correspondence.
Email: pasechnikovali@rambler.ru
Elizaveta Aleksandrovna Pasechnikova
4 Mitrofanа Sedina St., Krasnodar 350063
146 Dimitrova St., Krasnodar 350040
Russian Federation
Anastasiia Yu. Georgieva
Clinical Oncology Dispensary № 1, Ministry of Health of the Krasnodar Krai
146 Dimitrova St., Krasnodar 350040
Russian FederationVadim N. Bodnya
Kuban State Medical University, Ministry of Health of Russia; Research Institute – Ochapovsky Regional Hospital № 1, Ministry of Health of the Krasnodar Krai
4 Mitrofanа Sedina St., Krasnodar 350063
167 1 Maya St., Krasnodar 350086
Russian FederationDmitry V. Kadomtsev
Clinical Oncology Dispensary № 1, Ministry of Health of the Krasnodar Krai
146 Dimitrova St., Krasnodar 350040
Russian FederationVladimir A. Porkhanov
Kuban State Medical University, Ministry of Health of Russia; Research Institute – Ochapovsky Regional Hospital № 1, Ministry of Health of the Krasnodar Krai
4 Mitrofanа Sedina St., Krasnodar 350063
167 1 Maya St., Krasnodar 350086
Russian FederationAlexandr A. Verevkin
Kuban State Medical University, Ministry of Health of Russia
4 Mitrofanа Sedina St., Krasnodar 350063
Russian FederationSofia D. Maksimenko
Clinical Oncology Dispensary № 1, Ministry of Health of the Krasnodar Krai
146 Dimitrova St., Krasnodar 350040
Russian FederationReferences
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