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Published on: July 3, 2025
Cancer and soluble FAS
S G Abbasova1, M M Vysotskii, L K Ovchinnikova
1M. M. Shemyakin and Yu. A. Ovchinnikov Institute of Organic Biochemistry, Russian Academy of Sciences, Moscow, Russia. biochimia@mtu-net.ru
Serum soluble Fas (sFas) levels are elevated in cancer patients compared to healthy individuals. High sFas is linked to advanced cancer stages, poor differentiation, metastasis, and reduced survival in specific tumor types.
Area of Science:
- Oncology
- Immunology
- Biochemistry
Background:
- Soluble Fas (sFas) is a protein involved in apoptosis.
- Elevated sFas levels have been observed in various cancers, but its precise role and associations require further investigation.
Purpose of the Study:
- To measure serum sFas concentrations in patients with malignant and benign tumors.
- To evaluate the relationship between sFas levels and clinical-morphological characteristics of cancer.
Main Methods:
- Serum sFas concentrations were measured using a developed test system.
- Correlations between sFas levels and tumor characteristics were analyzed.
Main Results:
- Patients with tumors showed significantly higher serum sFas concentrations than healthy subjects.
- High sFas levels correlated with advanced disease stages, poor tumor differentiation, metastasis, and larger tumor size in several cancers.
- Elevated sFas was associated with reduced 5-year survival in osteosarcoma, endometrial, ovarian, and adrenocortical cancers.
- Thyroid cancer exhibited higher sFas than benign or hyperplastic thyroid conditions.
Conclusions:
- Serum sFas is a potential biomarker for tumor presence and progression.
- sFas levels correlate with adverse prognostic factors in various cancers.
- High sFas may indicate resistance to radiotherapy and poorer patient survival outcomes.
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