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Salivary sialic acid and cancer
1Department of Biochemistry, Faculty of Dentistry, University of Marmara, Istanbul, Türkiye.
Journal of Marmara University Dental Faculty
|September 1, 1996
Summary
Salivary sialic acid levels were significantly higher in cancer patients compared to healthy individuals. This preliminary study suggests a potential biomarker for cancer detection.
Area of Science:
- Biochemistry
- Oncology
- Clinical Diagnostics
Background:
- Salivary sialic acid is a component of glycoproteins and may be altered in disease states.
- Cancer is a complex disease with potential systemic effects on biochemical markers.
Purpose of the Study:
- To investigate salivary sialic acid levels in cancer patients versus healthy controls.
- To determine if salivary sialic acid can serve as a potential biomarker for cancer.
Main Methods:
- Collected unstimulated whole saliva from 56 cancer patients and 70 healthy controls.
- Measured salivary sialic acid concentrations using a spectrophotometric method.
- Compared mean sialic acid levels between the cancer and control groups.
Main Results:
- Mean salivary sialic acid levels were significantly elevated in cancer patients (185 +/- 22.8 mg/dl) compared to controls (6.2 +/- 3.72 mg/dl).
- The difference in sialic acid levels was statistically significant (p < 0.0001).
- No significant differences were observed when stratifying by age or cancer type in this preliminary analysis.
Conclusions:
- Elevated salivary sialic acid levels are associated with the presence of cancer.
- Salivary sialic acid shows promise as a non-invasive biomarker for cancer detection.
- Further research is warranted to validate these findings in larger, diverse cohorts.