ArticleThe Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology2021
Fragmentation Analysis of Plasma DNA Reveals Its Prognostic Value in Gastric Cancer.
Article in The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
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2 citing papers in PubMed, 1 synthesis or guideline pooled it, 2 citations in OpenAlex.
- Circulating tumor DNA and prognosis in gastric cancer patients undergoing surgery: meta-analysis and trial sequential analysis.Frontiers in oncology · 2026Pooled it
- Systematically Evaluating Cell-Free DNA Fragmentation Patterns for Cancer Diagnosis and Enhanced Cancer Detection via Integrating Multiple Fragmentation Patterns.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
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5 authors at 1 institution in 1 country.
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Abstract
backgroundGastric cancer (GC) is a common cause of cancer-related deaths. The poor clinical outcome in GC patients is partially associated with a lack of appropriate diagnostic and prognostic biomarkers. In the present study, we evaluated the diagnostic and prognostic values of cell-free DNA (cfDNA) integrity and the concentration of circulating nucleosomes (cNUCs).
methodsIn the study, 40 GC patients and 55 GC-free individuals were enrolled. Cell-free DNA integrity was calculated as the ratio of concentration of the longer ACTB (beta-actin) gene fragment to that of the shorter ACTB fragment, measured using quantitative PCR. Circulating nucleosomes were measured by an ELISA-based approach.
resultsWe found that cfDNA integrity is higher in GC patients than in the control subjects (relative median values 0.51 vs. 0.38, respectively, P = .56) indicating prominent abundance of longer fragments in the patients. The patients with larger tumors (T3-4) had significantly higher cfDNA integrity than those with T1-T2 tumors. We also found GC patients to have higher concentrations of cNUCs in their plasma (relative median values 3.64 vs. 3.1). Importantly, the patients with high cfDNA integrity (i.e., lower fragmentation) had longer overall survival rates at 3 years than those with lower cfDNA integrity (76.5% vs. 38.9%, P = .02).
conclusionCell-free DNA fragmentation has a prognostic value. However, it has no diagnostic value in GC.
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