Zhou Q.,The First Peoples Hospital Of Changde City |
Guo P.,Hubei University of Medicine |
Li H.,The First Peoples Hospital Of Changde City |
Chen X.-D.,Jiangxi Provincial Cancer Hospital
Archives of Gynecology and Obstetrics | Year: 2017
Background: Epidemiological studies have provided controversial evidence of an association between alcohol intake and endometrial cancer (EC) risk. The World Cancer Research Fund/American Institute for Cancer Research classifies alcohol as having a “limited-no conclusion” grade of evidence in the Endometrial Cancer 2013 Report (the latest version). Objective: The purpose of this meta-analysis is to systematically analyze the effect of alcohol intake on EC risk. Methods: We conducted a dose–response meta-analysis of prospective cohort studies identified from the PubMed, Embase, Cochrane Library and China Biological Medicine databases. Categorical and dose–response meta-analyses were conducted to estimate the effects of alcohol on EC risk. Results: A total of 10 studies involving 9766 cases and 1,612,798 participants were included in this meta-analysis. Overall, the relative risk(RR) for alcohol intake on EC was 1.04 (95% CI 0.88–1.22). The RRs for alcohol intake from wine, beer, and liquor were 1.10 (95% CI 0.80–1.51), 0.94 (95% CI 0.72–1.22), and 1.04 (95% CI 0.86–1.27), respectively). When alcohol consumption was stratified by drinking level, the RRs for moderate and heavy alcohol intake were 0.95 (95% CI 0.89–1.01) and 1.00 (95% CI 0.88–1.13), respectively. In the subgroup analyses, this association was not modified by other lifestyle factors or the characteristics of the study design and population. No significant associations were detected in the dose–response meta-analyses. Conclusions: Alcohol intake is not associated with EC regardless of the beverage choice and alcohol consumption level. More studies are warranted in other populations, such as Asians and Africans. © 2016, Springer-Verlag Berlin Heidelberg.
PubMed | Panyu Central Hospital, Cancer Hospital of Hunan Province, Wuhan University, Zhongshan Peoples Hospital and 17 more.
Type: Clinical Trial, Phase III | Journal: Lancet (London, England) | Year: 2016
Outcomes are poor for patients with recurrent or metastatic nasopharyngeal carcinoma and no well established first-line chemotherapy is available for the disease. We compared the efficacy and safety of gemcitabine plus cisplatin versus fluorouracil plus cisplatin in patients with recurrent or metastatic nasopharyngeal carcinoma.In this multicentre, randomised, open-label, phase 3 trial, patients with recurrent or metastatic nasopharyngeal carcinoma were recruited from 22 hospitals in China. Key inclusion criteria were Eastern Cooperative Oncology Group performance status of 0 or 1, adequate organ function, and measurable lesions according to Response Evaluation Criteria in Solid Tumors version 1.1. Patients were randomly assigned in a 1:1 ratio to receive either gemcitabine (1 g/mBetween Feb 20, 2012, and Oct 30, 2015, 362 patients were randomly assigned to a group (181 to the gemcitabine [plus cisplatin] group and 181 to the fluorouracil [plus cisplatin] group). Median follow-up time for progression-free survival was 194 months (IQR 121-356). The median progression-free survival was 70 months (44-109) in the gemcitabine group and 56 months (30-70) in the fluorouracil group (hazard ratio [HR] 055 [95% CI 044-068]; p<00001). A total of 180 patients in the gemcitabine group and 173 patients in the fluorouracil group were included in the safety analysis. Significantly different treatment-related grade 3 or 4 adverse events between the gemcitabine and fluorouracil groups were leucopenia (52 [29%] vs 15 [9%]; <00001), neutropenia (41 [23%] vs 23 [13%]; p=00251), thrombocytopenia (24 [13%] vs three [2%]; p=00007), and mucosal inflammation (0 vs 25 [14%]; <00001). Serious treatment-related adverse events occurred in seven (4%) patients in the gemcitabine group and ten (6%) in the fluorouracil group. Six (3%) patients in the gemcitabine group and 14 (8%) patients in the fluorouracil group discontinued treatment because of drug-related adverse events. No treatment-related deaths occurred in either group.Gemcitabine plus cisplatin prolongs progression-free survival in patients with recurrent or metastatic nasopharyngeal carcinoma. The results establish gemcitabine plus cisplatin as the standard first-line treatment option for this population.Sun Yat-Sen University Clinical Research 5010 Programme, Chinese National Natural Science Foundation project (grant numbers 81372502 and 81201917), the National High Technology Research and Development Program of China (863 program numbers 2012AA02A501 and 2012AA02A502), and the Natural Science Foundation of Guangdong (grant number S2013010016564).
PubMed | Jilin University and Jiangxi Provincial Cancer Hospital
Type: Journal Article | Journal: International journal of environmental research and public health | Year: 2016
The pollution of endocrine disruptors and its impact on human reproductive system have attracted much attention. Di-(2-ethylhexyl) phthalate (DEHP), an environmental endocrine disruptor, is widely used in food packages, containers, medical supplies and childrens toys. It can cause diseases such as infertility, sexual precocity and uterine bleeding and thus arouse concerns from the society and scholars. The effect of DEHP on pubertal female reproductive system is still not well-studied. This study was to investigate the effects of DEHP on the hypothalamus-uterus in pubertal female rats, reveal the reproductive toxicity of DEHP on pubertal female rats and its mechanism, and provide scientific evidence for the evaluation of toxicity and toxic mechanism of DEHP on reproductive system. Forty-eight pubertal female rats were randomly divided into four groups and respectively administered via oral gavage 0, 250, 500, or 1000 mg/kg/d DEHP in 0.1 mL corn oil/20 g body weight for up to four weeks. Compared with control rats, the DEHP-treated rats showed: (1) higher gonadotropin-releasing hormone (GnRH) level in the hypothalamus; (2) higher protein levels of GnRH in the hypothalamus; and (3) higher mRNA and protein levels of GnRH receptor (GnRHR) in the uterus. Our data reveal that DEHP exposure may lead to a disruption in pubertal female rats and an imbalance of hypothalamus-uterus. Meanwhile, DEHP may, through the GnRH in the hypothalamus and its receptor on the uterus, lead to diseases of the uterus. DEHP may impose a negative influence on the development and functioning of the reproductive system in pubertal female rats.
Fang N.,Nanchang University |
Zhang H.-Q.,Jiangxi Provincial Cancer Hospital |
He B.,Jiangxi Provincial Cancer Hospital |
Xie M.,Jiangxi Provincial Cancer Hospital |
And 3 more authors.
Tumor Biology | Year: 2014
Management of gastric cancer with malignant ascites is a challenge, and limited data are available. We evaluated factors affecting survival for this condition to determine factors that predict survival outcome and to develop a rational treatment plan. We retrospectively studied 5,542 patients with gastric adenocarcinoma from January 2007 to December 2012. Among them, 347 patients (6.26 %) were associated with malignant ascites. The patients' overall survival was compared among the different features. Three hundred forty-seven patients (153 females and 194 males; median age, 53 years) were enrolled, including 78 (22.5 %) young patients and 63 (18.1 %) elderly patients. One hundred forty-three (41.2 %) patients presented with malignant ascites at the initial diagnosis of gastric cancer, and 211 (60.8 %) received chemotherapy. After a median follow-up duration of 10.4 months, the median survival after the diagnosis of malignant ascites was 5.2 months (95 % CI, 4.8-5.6 months), and the 1-year survival rate was 16.1 %. An ECOG score greater than 2 (P < 0.001), the presence of ascites with the diagnosis of gastric cancer (P < 0.001), no chemotherapy (P < 0.001), an albumin level less than 30 g/L (P = 0.013), an ascites volume greater than 2,000 mL (P = 0.019), Helicobacter pylori infection (P = 0.010), and metastases to other organs (P = 0.037) were associated with poor prognosis, and they were all independent prognostic factors. The survival of gastric cancer patients with malignant ascites is relatively short, and ECOG score and the presence of ascites with the diagnosis of gastric cancer are the most important prognostic factors. Additionally, chemotherapy could improve the overall survival. © 2013 International Society of Oncology and BioMarkers (ISOBM).
PubMed | Peoples Hospital of Jinghong, Central South University, Guangxi University and Jiangxi Provincial Cancer Hospital
Type: Journal Article | Journal: Experimental and therapeutic medicine | Year: 2016
Doxorubicin (DOX) is an effective anthracycline anti-tumor antibiotic. Because of its cardiotoxicity, the clinical application of DOX is limited. Paeoniflorin (PEF), a monoterpene glucoside extracted from the dry root of Paeonia, is reported to exert multiple beneficial effects on the cardiovascular system. The present study was designed to explore the protective effect of PEF against DOX-induced cardiomyocyte apoptosis and the underlying mechanism. In cultured H9c2 cells, PEF (100 mol/l) was added for 2 h prior to exposure to DOX (5 mol/l) for 24 h. Cell viability, creatine kinase activity, cardiomyocyte apoptosis, intracellular reactive oxygen species (ROS) levels, and the expression of microRNA-1 (miR-1) and B-cell lymphoma 2 (Bcl-2) were measured following treatment with PEF and/or DOX. The results showed that treatment with DOX notably induced cardiomyocyte apoptosis, concomitantly with enhanced ROS generation, upregulated miR-1 expression and downregulated Bcl-2 expression. These effects of DOX were significantly inhibited by pretreatment of the cells with PEF. These results suggest that the inhibitory effect of PEF on DOX-induced cardiomyocyte apoptosis may be associated with downregulation of miR-1 expression via a reduction in ROS generation.
PubMed | Hubei University of Medicine, Jiangxi Provincial Cancer Hospital and The First Peoples Hospital of Changde City
Type: | Journal: Archives of gynecology and obstetrics | Year: 2016
Epidemiological studies have provided controversial evidence of an association between alcohol intake and endometrial cancer (EC) risk. The World Cancer Research Fund/American Institute for Cancer Research classifies alcohol as having a limited-no conclusion grade of evidence in the Endometrial Cancer 2013 Report (the latest version).The purpose of this meta-analysis is to systematically analyze the effect of alcohol intake on EC risk.We conducted a dose-response meta-analysis of prospective cohort studies identified from the PubMed, Embase, Cochrane Library and China Biological Medicine databases. Categorical and dose-response meta-analyses were conducted to estimate the effects of alcohol on EC risk.A total of 10 studies involving 9766 cases and 1,612,798 participants were included in this meta-analysis. Overall, the relative risk(RR) for alcohol intake on EC was 1.04 (95% CI 0.88-1.22). The RRs for alcohol intake from wine, beer, and liquor were 1.10 (95% CI 0.80-1.51), 0.94 (95% CI 0.72-1.22), and 1.04 (95% CI 0.86-1.27), respectively). When alcohol consumption was stratified by drinking level, the RRs for moderate and heavy alcohol intake were 0.95 (95% CI 0.89-1.01) and 1.00 (95% CI 0.88-1.13), respectively. In the subgroup analyses, this association was not modified by other lifestyle factors or the characteristics of the study design and population. No significant associations were detected in the dose-response meta-analyses.Alcohol intake is not associated with EC regardless of the beverage choice and alcohol consumption level. More studies are warranted in other populations, such as Asians and Africans.
PubMed | Maternal and Child Health Hospital of The Guangxi Zhuang Autonomous Region, Central South University, Guangxi University and Jiangxi Provincial Cancer Hospital
Type: Journal Article | Journal: Experimental and therapeutic medicine | Year: 2017
The inflammatory response is important in the pathogenesis of myocardial ischemia/reperfusion (I/R) injury. Picroside II, the primary active constituent of Picrorhizae, has been reported to protect the myocardium from I/R-induced injury, however, the exact mechanism underlying these protective effects remains unclear. The aim of the present study was to investigate the mechanism underlying the protective effects of picroside II on I/R-induced myocardial injury. Adult male Sprague-Dawley rats underwent 1 h left coronary artery occlusion followed by 3 h reperfusion. Picroside II was administered (10 mg/kg) via the tail vein 30 min prior to left coronary artery occlusion. The results revealed that pretreatment of picroside II could significantly alleviate I/R-induced myocardial injury concomitantly with a decrease in inflammatory factor production. In addition, picroside II was also able to decrease high mobility group box 1 (HMGB1) expression, and release and downregulate the expression of the receptor for advanced glycation end products (RAGE), toll-like receptor (TLR)-2 and TLR-4. Furthermore, picroside II was able to inhibit nuclear factor-B (NF-B) activation. The results indicated that the protective effect of picroside II on I/R-induced myocardial injury was associated, at least partly, with inhibition of the inflammatory response by suppressing the HMGB1-RAGE/TLR-2/TLR-4-NF-B signaling pathway.
Ji Y.,Fudan University |
Cai L.,Fudan University |
Zheng T.,Fudan University |
Ye H.,Fudan University |
And 3 more authors.
Molecular and Cellular Biochemistry | Year: 2014
Cataract is the most common eye disease that causes blindness in patients. Ultraviolet B (UVB) irradiation is considered an important factor leading to cataract by inducing apoptosis in human lens epithelial cells (HLECs), but the mechanism is currently unclear. In this study, we investigated HLECs under different intensities of UVB irradiation and different exposure time. The annexin V-FITC/propidium iodide staining results showed that UVB irradiation could efficiently lead to HLECs apoptosis in time- and dose-dependent manner. The expression of pro-apoptotic Bax gene was promoted by UVB irradiation, while anti-apoptotic Bcl-2 gene expression was inhibited at both transcript and protein levels. Notably, the ratio of Bax/Bcl-2 displayed a high and positive correlation to the proportion of apoptotic HLECs. Mitochondrial dysfunction was also observed with rapid loss of potential (∆Ψm), as well as changes of the levels of reactive oxygen species, malondialdehyde, total antioxidative capabilities, and superoxide dismutase. In caspase pathway, the level of caspase-3 protein increased after UVB irradiation. All these discovered changes may play important roles in UVB-induced HLECs apoptosis, and would be helpful in understanding the mechanism of UVB-induced cataract and providing potential prevention and treatment strategies. © 2014, Springer Science+Business Media New York.
PubMed | Jiangxi Provincial Cancer Hospital, Central South University and Shen Zhen Childrens Hospital
Type: Journal Article | Journal: Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine | Year: 2016
Lung cancer is the most common cause of cancer-related deaths worldwide, and non-small cell lung cancer (NSCLC) accounts for 80 to 85% of all lung cancer. Although the standard treatment regimen has been established, long-term survival for NSCLC patients is still generally poor. The histone demethylase Jumonji domain containing 1A (JMJD1A) has been proposed as an oncogene in several types of human cancer, but its clinical significance and functional roles in NSCLC remain largely unclear. In the present study, JMJD1A was frequently upregulated in NSCLC compared with para-carcinoma tissues. JMJD1A knockdown significantly inhibited NSCLC cell growth, migration, and invasion in vitro and tumorigenesis in vivo. Further experiments demonstrated that JMJD1A knockdown could decrease the expression of EZH2, which has been shown to play a crucial role in the carcinogenesis of NSCLC and, in turn, increase the expression of anti-tumor microRNA let-7c. Also, let-7c directly targeted the 3-untranslated regions of JMJD1A and EZH2. Taken together, JMJD1A could promote NSCLC tumorigenesis. JMJD1A/EZH2/let-7c constituted a feedback loop and might represent a promising therapeutic target for NSCLC.
Liang Y.,Tianjin Medical University |
Guo S.,Jiangxi Provincial Cancer Hospital |
Zhou Q.,Tianjin Medical University
Tumor Biology | Year: 2014
The prognostic value of matrix metalloproteinase-7 (MMP-7) for survival of patients with non-small cell lung cancer (NSCLC) remains controversial. We performed a meta-analysis of the literatures to clarify its impact. Trials were selected for meta-analysis if they provided an independent assessment of MMP-7 in NSCLC and reported the analysis of survival data based on MMP-7 status. Pooled hazard ratio (HR) with 95 % confidence interval (95 % CI) was used to evaluate the associations between MMP-7 expression and survival of NSCLC patients. Heterogeneity and publication bias were also assessed. Seven studies involving 1,446 patients were identified. The combined HR for all studies was 1.28 (95 % CI 0.86-1.91; P = 0.22). Subgroup analysis revealed that MMP-7 overexpression had a favorable impact on survival in Caucasians (HR = 0.74; 95 % CI 0.55-0.99; P = 0.043) but showed a poor survival prognosis in Asians (HR = 1.74; 95 % CI 1.05-2.88, P = 0.031). Its effect also appeared significant when the analysis was restricted to Asian patients with squamous cell cancer (HR = 3.42; 95 % CI 1.92-6.11, P = 0.000) and adenocarcinoma (HR = 2.1; 95 % CI 1.34-3.29, P = 0.001). Our meta-analysis suggests that there are ethnic differences in the clinical significance of MMP-7 expression for patients with NSCLC. © 2013 International Society of Oncology and BioMarkers (ISOBM).