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A functional epidermal growth factor (EGF) polymorphism, EGF serum levels and renal cell carcinoma risk in a Chinese

Jian Zhu1, Xiaoxin Meng, Fu Yan

  • 1Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, PR China.

Journal of Human Genetics
|March 6, 2010
PubMed

Insights

The epidermal growth factor (EGF) G61A gene variant is linked to increased renal cell carcinoma (RCC) risk in Chinese populations. Lower serum EGF levels were observed in RCC patients, particularly those with the AA genotype.

Area of Science:

  • Genetics
  • Oncology
  • Molecular Biology

Background:

  • Epidermal growth factor (EGF) and its receptor (EGFR) pathways are crucial for cell growth and survival.
  • Dysregulation of these pathways is implicated in cancer development.
  • Previous research suggests a link between serum EGF levels and cancer risk.

Purpose of the Study:

  • To investigate the association between the EGF G61A polymorphism (rs4444903) and renal cell carcinoma (RCC) risk.
  • To measure serum EGF levels in RCC patients and controls.
  • To explore the relationship between the EGF G61A genotype and serum EGF levels.

Main Methods:

  • A hospital-based case-control study was conducted.
  • Genotyping of the EGF G61A polymorphism was performed.
  • Serum EGF levels were quantified using enzyme immunoassay.

Main Results:

  • The EGF G61A AA genotype was associated with a significantly increased RCC risk (OR=1.80).
  • Mean serum EGF levels were significantly lower in RCC patients (858.94 pg/ml) compared to controls (1281.52 pg/ml).
  • Individuals with the AA genotype exhibited lower serum EGF levels.

Conclusions:

  • The EGF G61A polymorphism may contribute to the etiology of RCC.
  • This polymorphism could serve as a marker for genetic susceptibility to RCC in Chinese populations.
  • Further research is needed to validate these findings in larger cohorts.

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