PubTransformer

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Zhongfu Yuan - Top 30 Publications

miR-145 targets the SOX11 3'UTR to suppress endometrial cancer growth.

To explore the functions of SOX (Sex determining Region Y-related HMG-box) family genes in endometrial cancer (EC) and determine the influence of miR-145/SOX11 on EC cell functions. The relationship between miR-145 and SOX11 was confirmed using TargetScan, miRNA databases and dual-luciferase reporter gene assays. The expression of SOX11 mRNA in tissue specimens was examined using RT-qPCR, while SOX11 protein expression in tissues and cell lines were detected through immunohistochemistry (IHC) and western blotting. After transfection using Lipofectamine 2000, the proliferation, migration, invasion and apoptosis of ECC-1 and HEC-1-A cells were assessed through colony formation, transwell and flow cytometry assays. The correlation of SOX11 expression with the prognosis outcomes of patients was analyzed using Kaplan-Meier analysis and the log-rank test. SOX11 showed high expression in EC, which is negatively correlated with a poor prognostic outcome of EC patients. The expression of miR-145 was lower in EC tissues than in adjacent tissues. MiR-145 significantly reduced the expression of SOX11. In ECC-1 cells, miR-145 suppressed the propagation, migration, and invasion of cells and promoted cell apoptosis. MiR-145 also inhibited the proliferation, migration, and invasion of HEC-1-A cells and facilitated cell apoptosis by inhibiting SOX11. MiR-145 targeted site 3 (3615) of the SOX11 3'UTR to affect the expression of SOX11. MiR-145 and its target gene SOX11 could serve as diagnostic markers for EC. MiR-145 targets the SOX11 3'UTR to inhibit its expression and suppress the propagation and metastasis of EC cells.

Postoperative maintenance levonorgestrel-releasing intrauterine system and endometrioma recurrence: a randomized controlled study.

C-reactive protein and risk of ovarian cancer: A systematic review and meta-analysis.

Although several studies have suggested an association between elevated C-reactive protein (CRP) and ovarian cancer risk, others have yielded contradictory results. To address this issue, we conducted a meta-analysis.

HOTAIR: a key regulator in gynecologic cancers.

Long non-coding RNAs (lncRNAs) play critical roles in the initiation and progression of human cancers. HOX transcript antisense RNA (HOTAIR) is an lncRNA localized to the mammalian HOXC gene cluster; it can interact with polycomb repressive complex 2 and the lysine-specific histone demethylase/CoREST/REST complex, and it manipulates the expression of various genes. HOTAIR promotes tumor invasion and metastasis by silencing tumor suppressors, and activating oncogenes and signaling pathways. HOTAIR is deregulated in many human cancers; despite its critical roles in health and disease, the underlying mechanisms governing HOTAIR function are unknown. In this review, we summarize the recent findings on the roles of HOTAIR in gynecologic cancers.

IL-36α suppresses proliferation of ovarian cancer cells.

Interleukin-36α (IL-36α), also formerly known as IL-1F6, is pertaining to IL-1 family members that has been shown to play an important pro-inflammatory role in chronic immune disorders. However, the role IL-36α in the setting of cancer remains unknown. Here, in our study, to investigate the clinical relevance of IL-36α in ovarian cancer, clinicopathological significance as well as expression level of IL-36α were analyzed in epithelial ovarian cancer clinical tissues and paired normal control. To explore the biological role of IL-36α in vitro in epithelial ovarian cancer cells, both overexpression and knockdown of IL-36α were performed. Based on the successful re-expression and silencing of IL-36α, proliferation, migration, and invasion were evaluated using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, wound-healing, and Transwell assays, respectively. To further confirm the effect over proliferation in vivo, nude mice xenografted with epithelial ovarian cancer cells whose endogenous IL-36α was stably upregulated or downregulated were employed. It was found that IL-36α was shown to be markedly downregulated in epithelial ovarian cancer tissues relative to paired normal control and that reduced IL-36α expression was significantly associated with poor overall prognosis. In addition, IL-36α was observed to be able to suppress the growth of epithelial ovarian cancer cells both in vivo and in vitro. Taken together, IL-36α was displayed to be able to suppress the growth of epithelial ovarian cancer cells in our setting, which is suggestive of its druggable potential in curing the epithelial ovarian cancer and that upregulation of IL-36α was found to be capable of inhibiting the growth of epithelial ovarian cancer cells.

HOTAIR rs920778 polymorphism is associated with ovarian cancer susceptibility and poor prognosis in a Chinese population.

The aim of this study was to determine if HOTAIR rs920778 polymorphism is associated with ovarian cancer susceptibility and prognosis.

Analysis of the association of HOTAIR single nucleotide polymorphism (rs920778) and risk of cervical cancer.

We recently demonstrated that overexpression of HOTAIR (Hox transcript antisense intergenic RNA) was associated with tumor progression and radio-resistance in human cervical cancer. Considering the single nucleotide polymorphism (SNP) rs920778 (C>T) could influence HOTAIR expression and cancer predisposition in other malignancies, we herein investigated the association between rs920778 status and cervical cancer susceptibility in a Chinese population. Using the specific TaqMan PCR assay, we genotyped rs920778 in 215 cervical cancer patients and 430 age-matched healthy controls. As shown in our data, TT genotype of rs920778 was significantly correlated with the upregulation of HOTAIR (p = 0.008). Compared with the healthy control, TT genotype and T allele notably indicated a much higher risk of cervical cancer [TT genotype: odds ratio (OR) = 2.186, 95% confidence interval (CI) = 1.378-3.466, p = 0.003; T allele: OR = 1.556, 95% CI = 1.221-1.981]. In addition, we also found that the TT genotype of rs920778 was correlated with advanced tumor stage (p = 0.039), highly histological grade (p = 0.013), lympho node metastasis (p < 0.001) and positive infection of high risk HPV (p < 0.001). Among the patients who underwent concurrent chemo-radiotherapy, TT genotype carriers present notably resistance to the combination of EBRT + ICBT + cisplatin (p = 0.023). In conclusion, we firstly reported that TT genotype of HOTAIR rs920778 was significantly associated with the cervical cancer susceptibility. Moreover, the TT genotype of rs920778 might be a potent prognostic marker in cervical cancer patients.

Assessment of carboprost tromethamine for reducing hemorrhage in laparoscopic intramural myomectomy.

The aim of the present study was to evaluate the effect of carboprost tromethamine on blood loss during laparoscopic myomectomy (LM) in females. Ninety women, who were scheduled for LM due to symptomatic uterine myomas, were randomly divided into three groups. Twenty-four women were intramyometrially injected with 12 IU diluted vasopressin (vasopressin group), 30 cases received a deep intramuscular injection of 250 µg carboprost tromethamine 30 min prior to myomectomy (carboprost group), and 36 cases received an intramuscular injection of 250 µg carboprost tromethamine followed by a 20 IU oxytocin intravenous infusion at a rate of 120 mU/min during the procedure (carboprost plus oxytocin group). The procedure time, amount of hemorrhage, postoperative reduction in hemoglobin levels, adverse effects, bowel deflation time and time of postoperative hospital stay were compared. The procedure time, amount of hemorrhage and postoperative reduction in hemoglobin levels were not significantly different between the carboprost group and the vasopressin group (P>0.05). In the carboprost plus oxytocin group, the procedure time, amount of hemorrhage and postoperative reduction in hemoglobin levels were 24.3±2.6 min, 51.1±8.4 ml and 6.9±1.5 g/l, respectively, which were significantly less than those in the vasopressin and carboprost groups (all P<0.05). In the carboprost and carboprost plus oxytocin groups, the incidence of mild uterine contraction pain was significantly higher than in the vasopressin group (χ2=12.913, P=0.002). The incidences of other side-effects were not significantly different among the three groups. The times for bowel deflation and postoperative hospital stay were marginally increased in both the carboprost and carboprost plus oxytocin groups, compared with the vasopressin group, although no significant differences were found among the three groups (P>0.05). Deep intramuscular injections of carboprost tromethamine prior to performing myomectomy could be an effective approach for reducing blood loss from intramural LM, in particular when combined with oxytocin intravenous infusion.

ATP-tumor chemosensitivity assay directed chemotherapy in patients with cervical cancer.

To select suitable chemotherapy for cervical cancer patients by ATP-tumor chemosensitivity assay.