Investigation of the association between the Toll‐like receptor 1 rs4833095 variation and gastric adenocarcinoma recurrence

Author:

Dang Yuan12,Huang Jingyun12,Lin Chen345,Xu Shaohua6ORCID

Affiliation:

1. Innovation Center for Cancer Research, Clinical Oncology School of Fujian Medical University Fujian Cancer Hospital Fuzhou China

2. Fujian Key Laboratory of Advanced Technology for Cancer Screening and Early Diagnosis, Clinical Oncology School of Fujian Medical University Fujian Cancer Hospital Fuzhou China

3. Department of General Surgery 900th Hospital of the Joint Logistics Support Force Fuzhou China

4. Department of General Surgery, Fuzong Clinical Medical College Fujian Medical University Fuzhou China

5. Department of General Surgery, Dongfang Hospital of Xiamen University, School of Medicine Xiamen University Fuzhou China

6. Department of Hepatobiliary and Pancreatic Surgery, Clinical Oncology School of Fujian Medical University Fujian Cancer Hospital Fuzhou China

Abstract

AbstractBackgroundToll‐like receptors (TLRs) are a family of transmembrane receptors that play key roles in identifying invading pathogens and activating innate immunity. TLR1 has been reported to be associated with the risk of gastric cancer (GC) but that was based on only a simple statistical analysis.MethodsWe genotyped the TLR1 in 526 GC patients to investigate the association between the variation and gastric cancer survival by the multiplex polymerase chain reaction and sequencing method. The rs4833095 variation (chr4:38798089 [GRCh38. p14], T > C) in the TLR1 gene was genotyped in 526 patients who underwent GC resection. The associations between genotype, survival, and recurrence were investigated. The potential role of TLR1 in stomach cancer was investigated using clinical data from formalin‐fixed, paraffin‐embedded tissue samples.ResultsPatients with the T/C and C/C genotypes of rs4833095 had a lower risk of recurrence than those with the T/T genotype. Recurrence‐free periods were substantially longer in patients with the T/C or C/C genotypes (22.6 and 22.3 months, respectively) than in those with the T/T genotype (20.7 months). Patients with the T/C or C/C genotype, low expression levels of VEGF1, high expression levels of ERBB2 and ERCC1, the absence of cancer nodules, a tumor size of less than 5 cm, and poor differentiation had a considerably reduced risk of recurrence.ConclusionsTLR1 rs4833095 was correlated with the postresection prognosis of patients with gastric cancer, suggesting that TLR1 may have a role in the onset or progression of gastric cancer.

Publisher

Wiley

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