Hongwei Jing

Southern Medical University, Shengcheng, Guangdong, China

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Publications (2)2.84 Total impact

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    ABSTRACT: Prostate cancer is the most common malignancy in men and is the second leading cause of cancer-related mortality in developed countries. Recent work has revealed the significance of CIP-interacting zinc finger protein 1 (CIZ1) in cancer cell biology, but its roles in prostatic carcinoma are unknown. Our study compared CIZ1 gene expression in banked prostatic carcinomas versus matched paraneoplastic tissues and in tumor cell lines of varying origin. This study revealed that the expression of CIZ1 was higher in high-grade prostate cancer than in low-grade prostate cancer and normal tissues. Among the tumor cell lines, PC-3 exhibited the highest levels of CIZ1 expression. CIZ1 gene silencing in PC-3 cells reduced cell proliferation and colony formation, induced cell cycle arrest in G1, inhibited tumor formation in nude mice, and suppressed the expression of genes related to prostate carcinoma. These results suggest that CIZ1 may play an important role in the progression of human prostate carcinoma and us which may be used as a therapeutic target in prostate cancer.
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    ABSTRACT: The Fas gene plays a key role in regulation of apoptotic cell death, and corruption of this signaling pathway has been shown to participate in immune escape and tumorgenesis. Single-nucleotide polymorphism in the promoter of Fas gene at position -670 A/G may affect its expression and play an important role in the pathology of many kinds of cancer. The association between Fas -670 A/G polymorphism and cancer risk is still controversial and ambiguous. Therefore, we conducted a meta-analysis of the currently literature to clarify this relationship. We conducted a search in the PubMed, EMbase, CNKI, and WanFang databases, covering all papers published by May 5, 2014. Overall, 59 case-control studies with 17,035 cases and 23,155 controls were retrieved based on the search criteria for cancer susceptibility related to -670 A/G polymorphism in Fas gene. Odds ratios (OR) and 95 % confidence intervals (CI) revealed association strengths. Although no significant relationship was detected between Fas -670 A/G polymorphism and whole cancer risk, in the ethnicity subgroup, significant associations were found in three types of cancer: prostate cancer (OR = 1.06, 95 % CI = 1.01-1.11 for A-allele vs. G-allele); hepatocellular carcinoma (OR = 0.89, 95 % CI = 0.80-0.99 for AG vs. GG); esophageal cancer (OR = 0.95, 95 % CI = 0.92-0.99 for AA + AG vs. GG). Moreover, lower cancer risk was found in smokers carried A-allele, when compared to smokers carried the GG genotype. The Fas -670 A/G polymorphism may be associated with esophageal cancer, hepatocellular carcinoma, and prostate cancer susceptibility from our meta-analysis. Studies with larger samples and gene-environment interactions are warranted to understand the role of Fas -670 A/G polymorphism for cancer risk.
    Tumor Biology 08/2014; 35(11). DOI:10.1007/s13277-014-2391-1