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Articles by Y Fang
Total Records ( 3 ) for Y Fang
  Z Han , Z Hong , C Chen , Q Gao , D Luo , Y Fang , Y Cao , T Zhu , X Jiang , Q Ma , W Li , L Han , D Wang , G Xu , S Wang , L Meng , J Zhou and D. Ma
 

Tumor cells acquire the ability to proliferate uncontrollably, resist apoptosis, sustain angiogenesis and evade immune surveillance. Signal transducer and activator of transcription (STAT) 3 regulates all of these processes in a surprisingly large number of human cancers. Consequently, the STAT3 protein is emerging as an ideal target for cancer therapy. This paper reports the generation of an oncolytic adenovirus (M4), which selectively blocks STAT3 signaling in tumor cells as a novel therapeutic strategy. M4 selectively replicated in tumor cells and expressed high levels of antisense STAT3 complementary DNA during the late phase of the viral infection in a replication-dependent manner. The viral progeny yield of M4 in tumor cells was much higher than that of the parent adenoviral mutants, Ad5/dE1A. M4 effectively silenced STAT3 and its target genes in tumor cells while sparing normal cells and exhibited potent antitumoral efficacy in vitro and in vivo. Systemic administration of M4 significantly inhibited tumor growth in an orthotopic gastric carcinoma mouse model, eliminated abdominal cavity metastases and prolonged survival time. In summary, M4 has low toxicity and great potential as a therapeutic agent for different types of cancers.

  Y Fang , B Kong , Q Yang , D Ma and X. Qu
  BACKGROUND

In this study, we assessed whether the single nucleotide polymorphism in the murine double minute 2 (MDM2) promoter (SNP309) was associated with the occurrence of missed abortion.

METHODS

Genotyping of MDM2 SNP309 polymorphism was conducted by polymerase chain reaction-restriction fragment length polymorphism with blood and villous samples from 95 women diagnosed as having 1st trimester missed abortion.

RESULTS

The MDM2 SNP309 G/G genotype was associated with a higher risk of missed abortion compared with the T/T+ T/G genotype in blood (P = 0.010; odds ratio (OR): 2.164; 95% confidence interval (CI): 1.207–3.878) and villous samples (P = 0.043; OR: 2.767; 95% CI: 1.092–7.011).

CONCLUSIONS

The MDM2 SNP309 G/G genotype may be a genetic risk factor for missed abortion.

 
 
 
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