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Articles by G Fu
Total Records ( 3 ) for G Fu
  M Wang , W Zhang , L Yuan , G Fu , Q Wei and Z. Zhang
 

A recent genome-wide association study identified two common variants that confer susceptibility to bladder cancer. We hypothesized that these variants are associated with risk of bladder cancer in Chinese populations. We genotyped rs9642880 G>T on 8q24 and rs710521 A>G on 3q28 in a two-stage case–control study of bladder cancer to evaluate the association and further examined the expression of MYC. We found that the rs9642880 G>T, but not the rs710521 A>G polymorphism, was associated with an increased risk of bladder cancer. Compared with the rs9642880 GG genotype, the GT/TT genotypes were associated with an odds ratio of 1.65 (95% confidence interval = 1.25–2.17), and this risk was more pronounced in young men and for low-risk tumors. Additional experiments revealed that the rs9642880 GT/TT genotypes were associated with enhanced levels of both MYC mRNA and protein in bladder tissues. Our findings suggested that the rs9642880 G>T polymorphism on 8q24 was independently associated with the risk of bladder cancer in Chinese populations.

  Y Tu , J Lu , J Fu , Y Cao , G Fu , R Kang , X Tian and B. Wang
  Objective

Neuroepithelial-transforming protein 1 is a member of the guanine nucleotide exchange factor family, a group of proteins which are known to activate and thereby regulate Rho family members. Deregulation of neuroepithelial-transforming protein 1 expression has been found in certain types of human tumors. To investigate its prognostic value in human gliomas, which is currently unknown, we examined the correlation between neuroepithelial-transforming protein 1 expression and prognosis in patients with gliomas.

Methods

Immunohistochemical staining was performed to detect neuroepithelial-transforming protein 1 expression patterns in the biopsies from 96 patients with primary gliomas. Kaplan–Meier survival and Cox's regression analyses were performed to evaluate the prognosis of patients.

Results

Immunohistochemical analysis with anti-neuroepithelial-transforming protein 1 antibody revealed that neuroepithelial-transforming protein 1 was significantly associated with the Karnofsky performance scale score and World Health Organization grades of patients with gliomas. Especially, the positive expression rates of neuroepithelial-transforming protein 1 were significantly higher in patients with higher grade (P = 0.001) and lower Karnofsky's performance scale score (P = 0.005). The median survival of patients with high neuroepithelial-transforming protein 1 expression was significantly shorter than that with low expression and without expression (316, 892 and 1180 days, respectively). Cox's multifactor analysis showed that the Karnofsky performance scale (P = 0.01), World Health Organization grade (P = 0.008) and neuroepithelial-transforming protein 1 (P = 0.006) were independent prognosis factors for human glioma.

Conclusions

Taken together, our study indicates for the first time that neuroepithelial-transforming protein 1 status may be a highly sensitive marker for glioma prognosis and suggest that the expression patterns of neuroepithelial-transforming protein 1 might be a potent tool for predicting the clinical prognosis of glioma patients.

  G Fu , Y Chen , M Yu , A Podd , J Schuman , Y He , L Di , M Yassai , D Haribhai , P. E North , J Gorski , C. B Williams , D Wang and R. Wen
 

Phospholipase C1 (PLC1) is an important signaling effector of T cell receptor (TCR). To investigate the role of PLC1 in T cell biology, we generated and examined mice with T cell–specific deletion of PLC1. We demonstrate that PLC1 deficiency affects positive and negative selection, significantly reduces single-positive thymocytes and peripheral T cells, and impairs TCR-induced proliferation and cytokine production, and the activation of ERK, JNK, AP-1, NFAT, and NF-B. Importantly, PLC1 deficiency impairs the development and function of FoxP3+ regulatory T cells, causing inflammatory/autoimmune symptoms. Therefore, PLC1 is essential for T cell development, activation, and tolerance.

 
 
 
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