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Zhu YJ, Wang YQ, Pan JH, Dong BJ, Xu F, Sha JJ, Xue W, Huang YR. [Value of perineural invasion in prostatectomy specimen in the assessment on tumor progression and prognosis]. ZHONGHUA WAI KE ZA ZHI [CHINESE JOURNAL OF SURGERY] 2016; 54:217-21. [PMID: 26932892 DOI: 10.3760/cma.j.issn.0529-5815.2016.03.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To assess perineural invasion in prostatectomy specimen(PNIp)on tumor progression and prognosis after radical prostatectomy. METHODS Retrospective analysis including 502 prostate cancer patients admitted in Renji Hospital, School of Medicine, Shanghai Jiaotong University from December 2002 to May 2014 was studied.Differences of serum prostate specific antigen(PSA), Gleason score of prostate biopsy, Gleason score of prostatectomy specimen, tumor stage, capsular invasion, positive surgical margin, seminal invasion, pelvic lymph node metastasis, nadir PSA were analyzed in patients with PNIp and without PNIp. Logistic regression analysis, Log-rank test and Cox regression analysis was used to analyzed the data, respectively. RESULTS There were 91 patients with PNIp(18.1%) and 411 patients without PNIp(81.9%). Differences of serum PSA, Gleason score of prostate biopsy, Gleason score of prostatectomy specimen, tumor stage, capsular invasion, seminal invasion, nadir PSA between the two groups were found(all P<0.05). In the multivariable logistic regression analysis, PNIp was independent predictor of Gleason score of prostate biopsy, Gleason score of prostatectomy specimen, tumor stage, capsular invasion(OR=1.515, 1.955, 2.069, 1.859, all P<0.05). One hundred and twenty-one patients with biochemical serum recurrence(26.7%). Serum PSA, Gleason score of prostate biopsy, Gleason score of prostatectomy specimen, tumor stage, PNIp, seminal invasion were related to biochemical serum recurrence(P<0.05). In the multivariable cox regression analysis, serum PSA, Gleason score of prostate biopsy, PNIp, seminal invasion were independent predictors of biochemical serum recurrence(HR=1.021, 1.441, 1.663, 3.257, all P<0.05). CONCLUSION PNIp is the important predictor of the tumor progression and prognosis of prostate cancer.
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He XC, Qu ZG, Xu F. Simulation study of interaction mechanism between peptide and asymmetric membrane. MOLECULAR SIMULATION 2016. [DOI: 10.1080/08927022.2016.1228105] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Cheng C, Du F, Yu K, Xu F, Wang F, Li L, Olaleye OE, Yang J, Chen F, Zhong C, Liu Q, Li J, Wang Z, Li C, Xiao W. Pharmacokinetics and Disposition of Circulating Iridoids and Organic Acids in Rats Intravenously Receiving ReDuNing Injection. Drug Metab Dispos 2016; 44:1853-1858. [DOI: 10.1124/dmd.116.071647] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Accepted: 09/01/2016] [Indexed: 11/22/2022] Open
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Xu F, Qian SY. [Pediatric acute respiratory distress syndrome: a severe problem than yet to be conquered by critical care medicine]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2016; 54:644-645. [PMID: 27596075 DOI: 10.3760/cma.j.issn.0578-1310.2016.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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Wu L, Xu F, Reinhard BM. Nanoconjugation prolongs endosomal signaling of the epidermal growth factor receptor and enhances apoptosis. NANOSCALE 2016; 8:13755-68. [PMID: 27378391 PMCID: PMC5081566 DOI: 10.1039/c6nr02974d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
It is becoming increasingly clear that intracellular signaling can be subject to strict spatial control. As the covalent attachment of a signaling ligand to a nanoparticle (NP) impacts ligand-receptor binding, uptake, and trafficking, nanoconjugation provides new opportunities for manipulating intracellular signaling in a controlled fashion. To establish the effect of nanoconjugation on epidermal growth factor (EGF) mediated signaling, we investigate here the intracellular fate of nanoconjugated EGF (NP-EGF) and its bound receptor (EGFR) by quantitative correlated darkfield/fluorescence microscopy and density-based endosomal fractionation. We demonstrate that nanoconjugation prolongs the dwell time of phosphorylated receptors in the early endosomes and that the retention of activated EGFR in the early endosomes is accompanied by an EGF mediated apoptosis at effective concentrations that do not induce apoptosis in the case of free EGF. Overall, these findings indicate nanoconjugation as a rational strategy for modifying signaling that acts by modulating the temporo-spatial distribution of the activated EGF-EGFR ligand-receptor complex.
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Xu F, Yin XM, Tong SL. Association between Excess Bodyweight and Intake of Red Meat and Vegetables among Urban and Rural Adult Chinese in Nanjing, China. Asia Pac J Public Health 2016; 19:3-9. [DOI: 10.1177/101053950701900302] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The objective of this study was to examine the association of red meat and vegetable consumption with excess bodyweight. This is a cross sectional study, conducted between October 2000 and March 2001. Participants included 23,316 local residents aged 35 and above from 45 administrative villages randomly selected from urban and rural areas of Nanjing, China, with a population of 5.6 million. The response rate was 90.1%. Logistic regression model was used for the analysis. The prevalence of excess body weight, overweight and obesity was 34.1%, 28.2% and 6.0%, respectively. After adjustment for age, educational attainment, family average income, occupational and leisure-time physical activity, smoking, drinking, consumption of white meat, consumption of rice and cooking oil as well as fruits, participants in the moderate or higher level of red meat consumption were more likely to have excess body weight (OR: 1.13 (95% CI=1.02, 1.26) and 1.15 (1.02, 12.9) for males; 1.11 (0.98, 1.25) and 1.25 (1.10, 1.42) for females respectively), compared with those in the lower level of red meat consumption. There was no statistically significant association for consumption of vegetables. Consumption of more red meat was suggested to be a factor contributing to body weight gain in China. For residents who want to have healthy body weight, it is important to consume less red meat in the process of socioeconomic transition. Asia Pac J Public Health 2007; 19(3): 3-9.
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Zheng XB, Ai HY, Yuan SH, Cao HY, Liang H, Weng JP, Xu F. [Effect of SIRT1 deficiency on function of brown adipose tissue in obese mice]. ZHONGHUA YI XUE ZA ZHI 2016; 96:1859-62. [PMID: 27356800 DOI: 10.3760/cma.j.issn.0376-2491.2016.23.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To investigate the effect of silent mating type information regulation 2 homolog 1 (SIRT1) deficiency on function of brown adipose tissue (BAT) in high-fat diet (HFD)-induced obese mice. METHODS Male SIRT1 deficient heterozygous (SIRT1(+ /-)) mice and their wild-type (WT) littermates were challenged with a HFD diet for 16 weeks to induce obesity model.Energy metabolic cages were used to measure oxygen consumption and heat production, and cold tolerance test was to evaluate the adaptive thermogenic function.With brown fat collected after the diet intervention, determination techniques were adopted included HE staining for morphologic changes, immunohistochemical staining and Western blotting for uncoupling protein 1 (UCP1) expression, quantitative real-time PCR for relative content of mitochondria DNA (mtDNA). RESULTS Compared to WT controls, SIRT1(+ /-) mice displayed significant decreases in both oxygen consumption and heat production[(2 681±297) vs (3 017±313) ml·kg(-1)·h(-1,) (19.05±2.40) vs (21.15±2.49) kcal·kg(-1)·h(-1,) both P<0.05)], as well as an impairment in maintaining their body temperature during the cold challenge.HE staining revealed the accumulation of larger lipid droplets in BAT of SIRT1(+ /-) mice, and both immunohistochemical staining and Western blotting indicated an obvious reduction in expression of UCP1 (P<0.05). Quantitative real-time PCR showed a significant decrease in the relative mtDNA content in BAT of SIRT1(+ /-) mice (0.38±0.10 vs 1.00±0.40, P<0.05). CONCLUSION SIRT1 deficiency promotes BAT dysfunction, meaning that whitening in obese mice.
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Zhu MZ, Yu XF, He XM, Feng WL, Fan JH, Li J, Xu F, Tang ZH, Zhang BN, Qiao YL, Zheng S, Yang HJ. Clinicopathological features of invasive lobular carcinoma of the breast: A nationwide multicenter study in China. J Cancer Res Ther 2016; 11 Suppl 1:C89-94. [PMID: 26323933 DOI: 10.4103/0973-1482.163851] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To analyze the clinicopathological features of invasive lobular carcinoma (ILC) and compare them with invasive ductal carcinoma (IDC), hoping to find the fact of ILC in China and assist the decision makers with proper individualized treatment. MATERIALS AND METHODS A nationwide multicenter retrospective study was performed. A total of 4211 primary breast cancer cases were randomly selected from 1999 to 2008 in seven regions of China. ILC cases were compared with IDC by clinicopathological features and molecular subtypes. RESULTS A total of 135 (3.2%) ILC and 3471 (82.4%) IDC cases were included for analysis. The age, tumor size, menopausal state, family history, nodal status, and stage of ILC were similar to that of IDC. ILC was more likely to be positive for estrogen receptor (65.5% vs. 57.7%) and progesterone receptor (64.7% vs. 58.5%), and less likely to overexpress human epidermal growth factor receptor-2 (17.3% vs. 23.6%). Even though, these differences are not significant, the proportion of luminal A type of ILC is significantly larger than that of IDC (54.8% vs. 42.7%; P < 0.05). CONCLUSION ILC has a larger proportion of luminal A type compared with IDC. Larger sample size study for better known of molecular subtypes of ILC is needed in future to individualize the treatment decision.
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Xu F. Quantum dynamics in double-well system with polychromatic perturbation using entangled trajectory molecular dynamics method. JOURNAL OF ATOMIC AND MOLECULAR SCIENCES 2016. [DOI: 10.4208/jams.050916.080216a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Yuan SH, Liang H, Cai MY, Xu F, Yuan D, Zheng XB, Li M, Weng JP. [The influence of patatin-like phospholipase domain-containing protein 3 on palmitic acid-induced hepatocyte apoptosis]. ZHONGHUA YI XUE ZA ZHI 2016; 96:1535-9. [PMID: 27266503 DOI: 10.3760/cma.j.issn.0376-2491.2016.19.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To explore the influence of patatin-like phospholipase domain-containing protein 3 (PNPLA3) on palmitic acid (PA)-induced hepatocyte apoptosis and its mechanism. METHODS Human hepatocarcinoma cell line HepG2 cells were transfected with PNPLA3(WT)-pcDNA3.1 (PNPLA3(WT) group) and PNPLA3(I148M)-pcDNA3.1 (PNPLA3(I148M) group) plasmids respectively to overexpress wild type or mutant type PNPLA3, and cells transfected with empty vector pcDNA3.1 (NC group) were set as control group.After 24 h PA incubation, Oil red staining was used to determine lipid deposition, and terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick end labeling assay (TUNEL) was used to measure apoptosis.Western blot was used to detect the protein level of endoplasmic reticulum (ER) stress and associated apoptosis.Enzyme-linked immunosorbent assay (ELISA) was used to test lysolecithin (LPC) levels in the cellular supernatant. RESULTS After 24 h PA incubation, there was no significant difference in lipid deposition among three groups.Compared to NC group, the cell apoptosis rates of PNPLA3(WT) and PNPLA3(I148M) groups were increased by 2 times and 3 times respectively.The levels of ER stress PRKR-like endoplasmic reticulum kinase (PERK) pathway associated proteins, immunoglobulin-binding protein (BIP), p-PERK, p-eIF2α, and ER stress associated apoptosis pathway proteins, CCAAT/enhancer binding homologous protein (CHOP), p53 upregulated modulator of apoptosis (PUMA), Bax, caspase-3 were higher, and were more significant in PNPLA3(I148M) group.The LPC level in the supernatant of PNPLA3(WT) and PNPLA3(I148M) groups were about 5 times and 1.5 times of NC group respectively after PA incubation. CONCLUSION PNPLA3 may be involved in palmitic acid-induced apoptosis mediated by hepatocyte ER stress through regulating LPC metabolism.
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Xu J, Bishop CV, Lawson MS, Park BS, Xu F. Anti-Müllerian hormone promotes pre-antral follicle growth, but inhibits antral follicle maturation and dominant follicle selection in primates. Hum Reprod 2016; 31:1522-30. [PMID: 27165618 DOI: 10.1093/humrep/dew100] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Accepted: 03/18/2016] [Indexed: 11/13/2022] Open
Abstract
STUDY QUESTION What are the direct effects and physiological role of anti-Müllerian hormone (AMH) during primate follicular development and function at specific stages of folliculogenesis? SUMMARY ANSWER AMH actions in the primate ovary may be stage-dependent, directly promoting pre-antral follicle growth while inhibiting antral follicle maturation and dominant follicle selection. WHAT IS KNOWN ALREADY AMH is expressed in the adult ovary, particularly in developing follicles. Studies in mice suggest that AMH suppresses pre-antral follicle growth in vitro, and inhibits primordial follicle recruitment and FSH-stimulated antral follicle steroidogenesis. STUDY DESIGN, SIZE, DURATION For in vitro study, secondary follicles were isolated from ovaries of 12 rhesus macaques and cultured for 5 weeks. For in vivo study, intraovarian infusion was conducted on five monkeys for the entire follicular phase during two spontaneous menstrual cycles. PARTICIPANTS/MATERIALS, SETTING, METHODS For in vitro study, individual follicles were cultured in a 5% O2 environment, in alpha minimum essential medium supplemented with recombinant human FSH. Follicles were randomly assigned to treatments of recombinant human AMH protein or neutralizing anti-human AMH antibody (AMH-Ab). Follicle survival, growth, steroid production, steroidogenic enzyme expression, and oocyte maturation were assessed. For in vivo study, ovaries were infused with control vehicle or AMH-Ab during the follicular phase of the menstrual cycle. Cycle length, serum steroid levels, and antral follicle growth were evaluated. MAIN RESULTS AND THE ROLE OF CHANCE AMH exposure during culture weeks 0-3 (pre-antral stage) promoted, while AMH-Ab delayed, antrum formation of growing follicles compared with controls. AMH treatment during culture weeks 3-5 (antral stage) decreased (P < 0.05) estradiol (E2) production, as well as the mRNA expression of cytochrome P450 family 19 subfamily A polypeptide 1, by antral follicles relative to controls, whereas AMH-Ab increased (P < 0.05) follicular mRNA levels of the enzyme. Intraovarian infusion of AMH-Ab during the follicular phase of the menstrual cycle increased (P < 0.05) the average levels of serum E2 compared with those of the control cycles. Three of the five AMH-Ab-treated ovaries displayed multiple (n = 2-9) medium-to-large (2-8 mm) antral follicles at the mid-cycle E2 peak, whereas only one large (4-7 mm) antral follicle was observed in all monkeys during their control cycles. The average levels of serum progesterone were higher (P < 0.05) during the luteal phase of cycles following the AMH-Ab infusion relative to the vehicle infusion. LIMITATIONS, REASONS FOR CAUTION The in vitro study of AMH actions on cultured individual macaque follicles was limited to the interval from the secondary to small antral stage. A sequential study design was used for in vivo experiments, which may limit the power of the study. WIDER IMPLICATIONS OF THE FINDINGS The current study provides novel information on direct actions and role of AMH during primate follicular development, and selection of a dominant follicle by the late follicular phase of the menstrual cycle. We hypothesize that AMH acts positively on follicular growth during the pre-antral stage in primates, but negatively impacts antral follicle maturation, which is different from what is reported in the mouse model. STUDY FUNDING/COMPETING INTERESTS NIH NICHD R01HD082208, NIH ORWH/NICHD K12HD043488 (BIRCWH), NIH OD P51OD011092 (ONPRC), Collins Medical Trust. There are no conflicts of interest. TRIAL REGISTRATION NUMBER Not applicable.
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Tian J, Lv HT, An XJ, Ling N, Xu F. Endothelial microparticles induce vascular endothelial cell injury in children with Kawasaki disease. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2016; 20:1814-1818. [PMID: 27212174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
OBJECTIVE To explore the role of microparticles produced by endothelial cells in the injury of vascular endothelial cells. MATERIALS AND METHODS We stimulated human umbilical vein endothelial cells (HUVEC) with TNF-α in vitro, analyzed the change of cellular morphology, and measured EMP level in the supernatant with a flow cytometer. Then, we evaluated the corresponding clinical indicators and the role of EMP in endothelial injury. RESULTS The endothelial cellular morphology underwent significant changes, and a large number of microparticles were secreted. In turn, these microparticles blocked cell cycle and induced apoptosis. CONCLUSIONS The microparticles produced by endothelial cells play an important role in the injury of vascular endothelial cells.
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Li PR, Li XL, Xu F, Gou C, Deng MJ, Liu JQ, Wang K. [Clinical characteristics and outcome of patients with dilated-hypertrophic cardiomyopathy]. ZHONGHUA XIN XUE GUAN BING ZA ZHI 2016; 44:327-30. [PMID: 27112611 DOI: 10.3760/cma.j.issn.0253-3758.2016.04.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To define the clinical characteristics and outcome of patients with dilated-hypertrophic cardiomyopathy (D-HCM). METHODS Clinical data of HCM patients hospitalized from January 2002 to December 2015 in our hospital were retrospectively analyzed. Patients were divided into D-HCM and classic HCM patients. The D-HCM patients were followed up by phone. RESULTS A total of 616 consecutive HCM patients were evaluated. Twenty one patients (3.4%) were diagnosed with D-HCM (average age(58.8±10.4) years, 13 males). It took (14.2±7.1)years for classic HCM patients to develop D-HCM. Compared to classic HCM patients, D-HCM patients were younger at the time of first HCM diagnosis ((39.7±10.4) years old vs. (48.5±9.5) years old, P<0.001) and had higher ratio of sudden cardiac death family history (19.0%(4/21) vs. 2.5%(14/558), P=0.003), more patients of future D-HCM patients had ventricular tachycardia (38.1%(8/21) vs. 5.7%(32/558), P<0.001) and higher Troponin-I(66.7%(14/21) vs. 9.3%(52/558), P<0.001) before the left ventricular cavity enlargement. Moreover, MLVWH ((24.8±4.2) mm vs. (17.2±3.5) mm, P<0.001) was significantly thicker and LAD ((39.8±5.9) mm vs. (35.2±3.3) mm, P<0.001) was significantly larger in D-HCM patients than in classical HCM patients. During the(3.8±1.9) years follow up period, 12 out of 21 D-HCM patients died (57.1%), 5 cases(23.8%)died of severe heart failure and 7 cases(33.3%) died of sudden cardiac death. One patient received heart transplantation. CONCLUSIONS Few classical HCM patients progressed into D-HCM in this cohort. Patients diagnosed as HCM at young age, HCM patients with abnormal Troponin I and ventricular tachycardia are at higher risk of developing D-HCM. The prognosis of D-HCM is very poor, and heart failure and sudden cardiac death are the main causes of death.
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Huang D, Fang F, Xu F. Hyperoxia induces inflammation and regulates cytokine production in alveolar epithelium through TLR2/4-NF-κB-dependent mechanism. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2016; 20:1399-1410. [PMID: 27097965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
OBJECTIVE It has been reported that inflammation of lung could be induced by proinflammatory factor under hyperoxia, which may be attributed by increasing generation of reactive oxygen species (ROS). MATERIALS AND METHODS In the present study, with human epithelial lung cancer cell line A549 treated with hyperoxia as in vitro model, we found that hyperoxia stimulation induced TLR2/4 activity in A549 cells. ROS inhibitor NAC was used to investigate the role of ROS in hyperoxia-induced inflammatory cytokines secretion. RESULTS Results of mRNA to protein level showed that elevated TLR2/4 activity and hyperoxia-induced inflammatory cytokines secretion could be significantly attenuated by NAC. EMSA results showed the activation of nuclear factor-κB (NF-κB) increased after 2-h hyperoxia stimulation, and the ROS inhibitor blocked TLR2/4 and NF-κB activity. CONCLUSIONS Data suggested that the TLR2/4-NF-κB pathway is involved in hyperoxia-induced inflammatory cytokines secretion in A549 human type II alveolar epithelial cells.
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Gao P, Zhou PY, Wang PQ, Zhang GB, Liu JZ, Xu F, Yang F, Wu XX, Li G. Universality analysis of the existence of substantia nigra "swallow tail" appearance of non-Parkinson patients in 3T SWI. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2016; 20:1307-1314. [PMID: 27097951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
OBJECTIVE To use the 3.0T susceptibility-weighted imaging (SWI) for universality analysis of the "swallow tail" appearance in the substantia nigra of non-Parkinson disease and discuss its lack of the value of imaging diagnosis of Parkinson disease (PD). PATIENTS AND METHODS Take 3.0TMR SWI in 60 PD patients (Group PD) and non-PD volunteers (Group N-PD), on the map of range analyze morphology and number of "swallow tail" appearance in substantia nigra of N-PD group volunteers, and compare the performance image of the corresponding region of the patients in the PD group. RESULTS After, 15 patients with lesions in the brain stem and significant motion artifacts were excluded. Forty-nine cases of group N-PD (96.08%) had typical "swallow tail" appearance in the bilateral or unilateral substantia nigra compacta posterolateral. All 54 patients with group PD (100%) lacked the "drop" rear elliptical high signal. CONCLUSIONS On the 3.0T SWI range map, the "swallow tail" appearance is ubiquitous in the substantia nigra of patients with non-PD. The deficiency of the signs has high sensitivity and specificity for PD diagnosis.
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Wang Y, Yin W, Wang Z, Huang J, Pan J, Zhu Y, Xu F, Shao X, Sha J, Cai Y, Liu Q, Dong B, Xue W, Huang Y. Pretreatment plasma fibrinogen as an independent prognostic indicator of prostate cancer patients treated with androgen deprivation therapy. Prostate Cancer Prostatic Dis 2016; 19:209-15. [PMID: 26951714 DOI: 10.1038/pcan.2016.6] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 01/13/2016] [Accepted: 01/19/2016] [Indexed: 12/17/2022]
Abstract
BACKGROUND Hyperfibrinogen is thought to be associated with a higher risk of invasion and metastasis, as well as a worse outcome for multiple types of cancer. However, the prognostic significance of plasma fibrinogen has not been investigated in prostate cancer with hormonal therapy. The objective of this study was to evaluate its roles in prostate cancer patients treated with androgen deprivation therapy (ADT). METHODS A total of 290 patients who underwent ADT as first-line therapy for prostate cancer were retrospectively analyzed. The fibrinogen level was measured at the time of diagnosis. Patients were categorized using a cutoff point of 3.225 g l(-1) according to a calculation by the receiver operating curve analysis. Correlations between the fibrinogen and clinical characteristics were analyzed. Meanwhile, univariable and multivariable cox regression analyses were performed to determine the associations of fibrinogen with progression-free survival (PFS), cancer-specific survival (CSS) and overall survival (OS). Prognostic accuracy was evaluated with the Harrell concordance index. RESULTS Compared with patients with a lower fibrinogen level (<3.225 g l(-1)), patients with a higher fibrinogen level were more likely to have higher PSA, Gleason score, risk stratification and incidence of metastasis (P<0.05). Multivariable analyses identified hyperfibrinogen as an independent prognostic factor for PFS (hazard ratio (HR)=2.000, P<0.001), CSS (HR=2.209, P=0.006) and OS (HR=1.965, P=0.009). The final models built by the addition of fibrinogen improved predictive accuracy (c-index: 0.750, 0.799 and 0.767) for PFS, CSS and OS compared with the clinicopathological base models (c-index: 0.730, 0.778 and 0.746), which included Gleason score and metastasis. CONCLUSIONS The pretreatment plasma fibrinogen level was associated with tumor progression and might have a significant role in the prognosis of the prostate cancer patients treated with ADT. Thus, we recommend adding fibrinogen to traditional prognostic model, which may improve its predictive accuracy.
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Pan C, Xu F, Yuan QH. [Research update on the relationship of aldehyde dehydrogenase 2 and cardio-cerebral-vascular diseases]. ZHONGHUA XIN XUE GUAN BING ZA ZHI 2016; 44:175-8. [PMID: 26926515 DOI: 10.3760/cma.j.issn.0253-3758.2016.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Wang S, Zheng Q, Nie M, Xu F, Xia W, Yuan Z, Peng R, An X, Qin T, Qin G. Abstract P3-07-21: Non-alcoholic fatty liver disease induced by selective estrogen receptor modulators is a protective factor for breast cancer survival. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p3-07-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Purpose: Non-alcoholic fatty liver disease (NAFLD) induced by selective estrogen receptor modulators (SERMs) treatment may be related to treatment efficacy for the antagonism of circulating estrogens. We conducted a retrospective study to investigate the relationship between survival outcomes and NAFLD in breast cancer patients treated with tamoxifen or toremifene.
Patients and methods: 785 eligible patients received tamoxifen or toremifene in Sun Yat-sen university cancer center from January 2005 to December 2009 were included in our study. All patients have at less one abdominal ultrasonography measurement at baseline and every year's follow-up. Patients who diagnosed NAFLD by ultrasonography during three-year's follow-up were classified into NAFLD cohort, others were classified into no-NAFLD cohort. Univariate and multivariate Cox regression was utilized to analyse the relationship between NAFLD and disease-free survival (DFS) and overall survival (OS).
Results:158 patients had reported NAFLD in the first 3 years' follow-up. Patients who developed NAFLD had better DFS and OS than those not developing NAFLD. The 5-years DFS was 91.56% and 85.01% at NAFLD and no-NAFLD cohort (univariate hazard ratio [HR]: 0.59 [95%CI 0.37-0.96], P=0.034), respectively. The 5-years OS was 96.64% and 93.31% at NAFLD and no-NAFLD cohort (univariate HR: 0.39 [95%CI 0.16-0.99], P=0.047), respectively. Multivariate analysis revealed that NAFLD is an independent prognostic factor on DFS in breast cancer patients with SERMs treated. Women treated with SERMs experienced NAFLD in the first three-year's follow-up had a reduced risk of DFS of 42% (multivariate HR: 0.58; [95%CI 0.36-0.95], P=0.032) compared with patients without NAFLD.
Conclusion: NAFLD induced by SERMs seems to be associated with better survival outcomes and may therefore be helpful in predicting treatment responses in breast cancer patients treated with SERMs.
Citation Format: Wang S, Zheng Q, Nie M, Xu F, Xia W, Yuan Z, Peng R, An X, Qin T, Qin G. Non-alcoholic fatty liver disease induced by selective estrogen receptor modulators is a protective factor for breast cancer survival. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P3-07-21.
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He H, Xu F, Huang W, Luo SY, Lin YT, Zhang GH, Du Q, Duan RH. miR-125a-5p expression is associated with the age of breast cancer patients. GENETICS AND MOLECULAR RESEARCH 2015; 14:17927-33. [PMID: 26782438 DOI: 10.4238/2015.december.22.17] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Dysregulated miR-125 observed in multiple cancer types has suggested that it is involved in malignant proliferation and invasion. However, the clinical significance of miR-125 in human breast cancer (BC) has not yet been fully elucidated. In the present study, the expression of miR-125a-5p/3p and miR-125b in 143 pairs of BC and normal adjacent tissues (NATs) was measured by real-time quantitative PCR, and the correlation between expression and clinicopathological features was explored. miR-125a-5p and miR-125b were significantly down-regulated in BC tissue samples compared with their matched NAT samples, while the difference in miR-125a-3p expression between BC tissues and NATs was not statistically significant. The expression level of miR-125a-5p was found to be significantly higher in younger patients (<35 years) than in older patients (≥35, P = 0.005). When the patients were divided into three groups according to age (<35, 36-48, and ≥48 years), a gradual reduction in miR-125a-5p expression was observed in BC tissue samples that correlated to increases in age (P = 0.009). There were no significant correlations between miR-125 expression and other clinicopathological features including tumor size, histological grade, hormone receptor status, Her-2 status, and lymph node metastasis. Taken together, these findings suggest that miR-125a-5p may play an important role in BC progression in an age-dependent manner, and that the down-regulation of miR-125a-5p and miR-125b may serve as independent predictors for breast cancer.
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Lin T, Chen IW, Liu F, Yang C, Bi H, Xu F, Huang F. Nitrogen-doped mesoporous carbon of extraordinary capacitance for electrochemical energy storage. Science 2015; 350:1508-13. [DOI: 10.1126/science.aab3798] [Citation(s) in RCA: 1577] [Impact Index Per Article: 175.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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221
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Xu F, He S, Chu Z, Zhang Y, Tan L. Effects of Heat Treatment on Polyphenol Oxidase Activity and Textural Properties of Jackfruit Bulb. J FOOD PROCESS PRES 2015. [DOI: 10.1111/jfpp.12673] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Gao P, Zhou PY, Li G, Zhang GB, Wang PQ, Liu JZ, Xu F, Yang F, Wu XX. Visualization of nigrosomes-1 in 3T MR susceptibility weighted imaging and its absence in diagnosing Parkinson's disease. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2015; 19:4603-4609. [PMID: 26698258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
OBJECTIVE To assess the imaging features of nigrosomes-1 in the substantia nigra through 3T MR susceptibility weighted imaging (SWI) and its disease-specific changes for the diagnosis of Parkinson's disease (PD). PATIENTS AND METHODS A total of 116 subjects were included in this study and allocated into 3 groups: 54 patients diagnosed with PD were assigned to the PD group, 51 age- and sex-matched volunteers without PD served as the control N-PD group, and 11 clinically suspected PD patients were allocated to the undiagnosed (UD) group. All patients received 3.0T superconducting MRI scanning on xxx. The images were analyzed and compared to assess the ability of nigrosomes-1 signals to depict PD pathology. RESULTS The signals of nigrosomes-1 were strong, droplet-like or oval in shape, and were found in 49 patients from the N-PD group (96.08%), on both sides of the SN (47 cases) and unilaterally (2 cases). In contrast, these signals were absent in all 54 cases from the PD group, and were undetected in 7 out of 11 cases in the UD group, 7 cases without the "drop" and 1 case with narrow strips of hyperintensity were clinically proven to PD, 2 cases with the typical hyperintensity were clinically proven to Parkinson's plus syndrome, 2 cases with slightly wider strip of hyperintensity were less sensitive to the drug levodopa. CONCLUSIONS The absence of typical droplet-like or oval-shaped nigrosomes-1 signals in 3.0T MR SWI may prove useful in identifying PD and Parkinson's syndrome with high sensitivity and specificity.
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Yuan J, Yang Z, Huang L, Xu F, Guan H. Prevalence of insomnia in a large sample of adults who underwent a general medical examination in China. Sleep Med 2015. [DOI: 10.1016/j.sleep.2015.02.1392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Xu MT, Sun S, Zhang L, Xu F, Du SL, Zhang XD, Wang DW. Diabetes mellitus affects the biomechanical function of the callus and the expression of TGF-beta1 and BMP2 in an early stage of fracture healing. ACTA ACUST UNITED AC 2015; 49:e4736. [PMID: 26628397 PMCID: PMC4681414 DOI: 10.1590/1414-431x20154736] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 08/13/2015] [Indexed: 01/08/2023]
Abstract
Transforming growth factor beta 1 (TGF-β1) and bone morphogenetic protein-2 (BMP-2)
are important regulators of bone repair and regeneration. In this study, we examined
whether TGF-β1 and BMP-2 expressions were delayed during bone healing in type 1
diabetes mellitus. Tibial fractures were created in 95 diabetic and 95 control adult
male Wistar rats of 10 weeks of age. At 1, 2, 3, 4, and 5 weeks after fracture
induction, five rats were sacrificed from each group. The expressions of TGF-β1 and
BMP2 in the fractured tibias were measured by immunohistochemistry and quantitative
reverse-transcription polymerase chain reaction, weekly for the first 5 weeks
post-fracture. Mechanical parameters (bending rigidity, torsional rigidity,
destruction torque) of the healing bones were also assessed at 3, 4, and 5 weeks
post-fracture, after the rats were sacrificed. The bending rigidity, torsional
rigidity and destruction torque of the two groups increased continuously during the
healing process. The diabetes group had lower mean values for bending rigidity,
torsional rigidity and destruction torque compared with the control group
(P<0.05). TGF-β1 and BMP-2 expression were significantly lower (P<0.05) in the
control group than in the diabetes group at postoperative weeks 1, 2, and 3. Peak
levels of TGF-β1 and BMP-2 expression were delayed by 1 week in the diabetes group
compared with the control group. Our results demonstrate that there was a delayed
recovery in the biomechanical function of the fractured bones in diabetic rats. This
delay may be associated with a delayed expression of the growth factors TGF-β1 and
BMP-2.
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Cheng SY, Li LL, Yuan HH, Xu F, Cheng H. Molecular cloning and characterization of GbMECT and GbMECP gene promoters from Ginkgo biloba. GENETICS AND MOLECULAR RESEARCH 2015; 14:15112-22. [PMID: 26634474 DOI: 10.4238/2015.november.24.20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Ginkgolides are key pharmaceutical components in Ginkgo biloba. Using the cDNA sequence of the MECP and MECT genes to design primers, we obtained the promoters of these genes from Ginkgo genomic DNA using the genome walking method. The two promoters were 744 and 982 bp in length, respectively. The cis-elements of the GbMECPs and GbMECT promoters were predicted and analyzed using the plant cis-acting regulatory element database. We found major cis-elements in the sequence of the GbMECT and GbMECPs promoters. The GbMECP promoter contains six TATA boxes and eight CAAT boxes. The GbMECT contains five TATA boxes and seven CAAT boxes. Furthermore, some cis-elements in the promoters of GbMECPs and GbMECT included hormone and light-regulated elements, UB-B-induced elements, and stress-related dehydration-responsive elements. Expression analysis results showed that the MECP gene is mainly involved in responses to CCC (cycocel) and UV-B, and that MECT is mainly involved in responses to wounding treatment. These results also showed that the expression model was consistent with the cis-elements present. During the annual growth cycle, the level of GbMECPs was significantly correlated with terpene lactones accumulation in leaves. A fitted quadratic curve showed the best model for correlating GbMECPs with terpene lactones in leaves. These results will help us to understand the transcriptional regulatory mechanisms involved in key gene expression and ginkgolide accumulation in G. biloba.
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Xu F, Leslie E, Wang Z, Zhou H, Owen N. Test-retest reliability of the Physical Activity Neighborhood Environment Scale among school students in China. Public Health 2015; 130:91-4. [PMID: 26538096 DOI: 10.1016/j.puhe.2015.10.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Revised: 06/26/2015] [Accepted: 10/01/2015] [Indexed: 11/15/2022]
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Yu D, Wang J, Shao X, Xu F, Wang H. Antifungal modes of action of tea tree oil and its two characteristic components against Botrytis cinerea. J Appl Microbiol 2015; 119:1253-62. [PMID: 26294100 DOI: 10.1111/jam.12939] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Revised: 08/10/2015] [Accepted: 08/11/2015] [Indexed: 11/29/2022]
Abstract
AIMS The essential oil of Melaleuca alternifolia (tea tree) has been evaluated as a potential eco-friendly antifungal agent against Botrytis cinerea. In this study, we investigated the antifungal activity and mode of action of tea tree oil (TTO) and its components against B. cinerea. METHODS AND RESULTS Of the components we tested in contact phase, terpinen-4-ol had the highest antifungal activity, followed by TTO, α-terpineol, terpinolene, then 1,8-cineole. As one of characteristic components of TTO, terpinen-4-ol treatment led to pronounced alterations in mycelial morphology, cellular ultrastructure, membrane permeability under scanning electron microscope, transmission electron microscope and fluorescent microscope, and also reduced the ergosterol content of fungi. As another characteristic component, 1,8-cineole caused serious intracellular damage but only slightly affected B. cinerea otherwise. When terpinen-4-ol and 1,8-cineole were used together, the synergistic antifungal activity was significantly higher than either component by itself. CONCLUSIONS The results of our study confirmed that terpinen-4-ol and 1,8-cineole act mainly on the cell membranes and organelles of B. cinerea, respectively, and when combined are similar to TTO in antifungal activity due to their differences. SIGNIFICANCE AND IMPACT OF THE STUDY Understanding the mechanism of terpinen-4-ol and 1,8-cineole antifungal action to B. cinerea is helpful for investigation on their synergistic effect and explaining antifungal action modes of TTO.
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Zhang L, Chen Z, Xu F, Zhang T, Zhang H, Ge Y, Zhou Y, Zeng C, Hu W, Liu Z, Tang Z. C3 Glomerulonephritis Associated with Monoclonal Gammopathy. Int J Organ Transplant Med 2015. [DOI: 10.1016/j.hkjn.2015.09.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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229
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Xu F, Johnston JM. Self-Rated Health and Health Service Utilization: A Systematic Review. Int J Epidemiol 2015. [DOI: 10.1093/ije/dyv096.267] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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230
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Zhao D, Sun B, Jiang H, Sun S, Kong F, Ma Y, Jiang L, Bai L, Chen X, Yang P, Liu C, Xu Y, Su W, Kong W, Xu F, Jiang C. Enterovirus71 virus-like particles produced from insect cells and purified by multistep chromatography elicit strong humoral immune responses in mice. J Appl Microbiol 2015; 119:1196-205. [DOI: 10.1111/jam.12922] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Revised: 07/15/2015] [Accepted: 07/23/2015] [Indexed: 01/14/2023]
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231
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Hanna C, Yao S, Xu F, Cherala G, Jensen J. Comparisons between nanocaged and extended-release nanocaged delivery systems for the phosphodiesterase (PDE) 3 inhibitor ORG 9935: pharmacokinetic (PK) and pharmocodynamic (PD) effects in macaques. Fertil Steril 2015. [DOI: 10.1016/j.fertnstert.2015.07.118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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232
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Yu X, Li Y, Chen SW, Shi Y, Xu F. Differential expression of glypican-3 (GPC3) in lung squamous cell carcinoma and lung adenocarcinoma and its clinical significance. GENETICS AND MOLECULAR RESEARCH 2015; 14:10185-92. [PMID: 26345955 DOI: 10.4238/2015.august.28.2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
In this study, we examined the expression of glypican-3 (GPC3) in the 2 most common histological types of lung cancer, squamous cell carcinoma and adenocarcinoma, and explored the relationship between GPC3 expression and the prognosis of these 2 types of lung cancers. Lung cancer tissues and paracancerous tissues were collected from a total of 60 patients with lung squamous cell carcinoma or lung adenocarcinoma. GPC3 gene and protein expression in the tissue samples was examined using fluorescence-based real-time quantitative polymerase chain reaction, immunohistochemistry, and western blot analysis. In addition, the serological levels of GPC3 protein in lung cancer patients were analyzed using enzyme-linked immunosorbent assays. The overall expression of GPC3 protein in lung cancer was 45% (21/60). No GPC3 expression was detected in paracancerous lung tissues. Positive expression of GPC3 protein in lung squamous cell carcinoma was significantly higher than that in lung adenocarcinoma (70 vs 20%, P < 0.001). Among GPC3-positive lung squamous cell carcinoma and lung adenocarcinoma samples, samples collected from patients with lymph node metastasis and patients with poorly differentiated cancer exhibited more pronounced GPC-3 expression. GPC3 protein expression was significantly higher in lung squamous cell carcinoma than in lung adenocarcinoma. GPC3 may be a candidate marker for detecting lung squamous cell carcinoma.
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Singh B, Krishnan A, Micu I, Koshy K, Singh V, Martinez JA, Koshy D, Xu F, Chandrasekhar A, Dalton C, Syed N, Stys PK, Zochodne DW. Peripheral neuron plasticity is enhanced by brief electrical stimulation and overrides attenuated regrowth in experimental diabetes. Neurobiol Dis 2015; 83:134-51. [PMID: 26297317 DOI: 10.1016/j.nbd.2015.08.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Revised: 07/20/2015] [Accepted: 08/12/2015] [Indexed: 01/01/2023] Open
Abstract
Peripheral nerve regrowth is less robust than commonly assumed, particularly when it accompanies common clinical scenarios such as diabetes mellitus. Brief extracellular electrical stimulation (ES) facilitates the regeneration of peripheral nerves in part through early activation of the conditioning injury response and BDNF. Here, we explored intrinsic neuronal responses to ES to identify whether ES might impact experimental diabetes, where regeneration is attenuated. ES altered several regeneration related molecules including rises in tubulin, Shh (Sonic hedgehog) and GAP43 mRNAs. ES was associated with rises in neuronal intracellular calcium but its strict linkage to regrowth was not confirmed. In contrast, we identified PI3K-PTEN involvement, an association previously linked to diabetic regenerative impairment. Following ES there were declines in PTEN protein and mRNA both in vitro and in vivo and a PI3K inhibitor blocked its action. In vitro, isolated diabetic neurons were capable of mounting robust responsiveness to ES. In vivo, ES improved electrophysiological and behavioral indices of nerve regrowth in a chronic diabetic model of mice with pre-existing neuropathy. Regrowth of myelinated axons and reinnervation of the epidermis were greater following ES than sham stimulation. Taken together, these findings identify a role for ES in supporting regeneration during the challenges of diabetes mellitus.
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Wang X, Shen Y, Zhao Y, Li Z, Gou H, Cao D, Yang Y, Qiu M, Li Q, Liu J, Yi C, Liao Z, Luo D, Xu F, Bi F. Adjuvant intensity-modulated radiotherapy (IMRT) with concurrent paclitaxel and cisplatin in cervical cancer patients with high risk factors: A phase II trial. Eur J Surg Oncol 2015; 41:1082-8. [DOI: 10.1016/j.ejso.2015.04.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Revised: 04/20/2015] [Accepted: 04/25/2015] [Indexed: 11/26/2022] Open
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Chai XB, Song RF, Xu F. Expression changes in epithelial cell adhesion molecule during colorectal cancer tumorigenesis. GENETICS AND MOLECULAR RESEARCH 2015. [PMID: 26214441 DOI: 10.4238/2015.july.13.6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
We investigated the relationship between the expression of epithelial cell adhesion molecule (EpCAM) and the occurrence and development of colon cancer. Fifty colon cancer tissues and adjacent normal tissues were collected, while 40 normal intestinal mucosa tissues were collected as the blank group. EpCAM expression was detected by immunohistochemistry and the patients were followed-up to evaluate the prognosis. The positive expression rate of EpCAM reached 93.7% in patients with colorectal carcinoma, which was significantly higher than that in the negative control group and blank group (14.8 and 12.7%, P < 0.05, respectively). There was no significant difference between the control group and blank group regarding EpCAM expression. No direct relationship was observed between EpCAM expression and patient age, gender, and other characteristics. EpCAM was overexpressed in colorectal cancer and had a high detection rate. EpCAM can be used as a diagnostic biomarker for clinical detection of colorectal cancer.
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Xu F, Qian M, Wei Y, Wang Y, Wang J, Li M, Zhang Y, Zhao Y, Guo X. Postural change from lateral to supine is an important mechanism enhancing cephalic spread after injection of intrathecal 0.5% plain bupivacaine for cesarean section. Int J Obstet Anesth 2015; 24:308-12. [PMID: 26357934 DOI: 10.1016/j.ijoa.2015.06.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 06/14/2015] [Accepted: 06/29/2015] [Indexed: 10/23/2022]
Abstract
BACKGROUND Spinal anesthesia is widely used for cesarean section, but the factors that affect the spread of the block in pregnant patients are still not fully explained. This study was designed to investigate the effect of postural changes on sensory block level. METHODS Thirty patients scheduled for elective cesarean section under combined spinal-epidural anesthesia were randomly allocated into three groups. After intrathecal injection of 0.5% plain bupivacaine 7.5mg, patients in group S were immediately placed in the supine position with left tilt, patients in group L5 were kept lateral for 5 min and then turned to the supine position with left tilt, and patients in group L10 were kept lateral for 10 min and then turned to the supine position with left tilt. RESULTS At 5 min, median cephalad level of sensory block was lower in groups L5 and L10 compared with group S (corrected P<0.001); at 10 min, median cephalad sensory block level was lower in group L10 compared with group S (corrected P<0.001) and group L5 (corrected P<0.001), and lower in group L5 compared with group S (corrected P=0.033); at 15 min, median cephalad level of sensory block was lower in group L10 compared with group S (corrected P=0.003) and group L5 (corrected P=0.015). CONCLUSIONS In our population, using 0.5% plain bupivacaine 7.5mg, postural change from the lateral position to the supine position is an important mechanism enhancing cephalic spread of spinal anesthesia during late pregnancy.
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Xu F, Xu L, Wang M, An G, Feng G. The accuracy of circulating microRNA-21 in the diagnosis of colorectal cancer: a systematic review and meta-analysis. Colorectal Dis 2015; 17:O100-7. [PMID: 25683351 DOI: 10.1111/codi.12917] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Accepted: 12/22/2014] [Indexed: 02/06/2023]
Abstract
AIM The accuracy and clinical value of circulating microRNA-21 (miR-21) were assessed as a novel diagnostic biomarker of colorectal cancer (CRC). METHOD Medline/PubMed, EMBASE, the Cochrane Library databases and grey literature (Google scholar; British Library) were searched up to 29 September 2014 for eligible studies of the association between blood-based miR-21 and a diagnosis of CRC. Quality Assessment of Diagnostic Accuracy Studies (QUADAS) was employed to assess the quality of the included studies by two investigators. Stata12.0 and Meta-DiSc1.4 software were applied to test the heterogeneity using Cochran's Q test and I(2) statistics and to perform the meta-analysis. RESULTS Seven studies with 676 CRC patients and 417 controls were included in the meta-analysis. All were of high quality (QUADAS scores 12 or 13). For miR-21, the pooled sensitivity, specificity, positive likelihood ratio, negative likelihood ratio and diagnostic odds ratio to predict CRC were 75% [95% confidence interval (CI) 63-83%], 84% (95% CI 79-87%), 4.61 (95% CI 3.38-6.29), 0.30 (95% CI 0.20-0.46) and 16.89 (95% CI 7.56-37.73) after using a random-effects model analysis. The area under the summary receiver operating characteristic curve was 0.86 (95% CI 0.83-0.89). CONCLUSION The results suggest that circulating miR-21 is a biomarker with moderate sensitivity and specificity for CRC.
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Luo S, Ji HM, Gao F, Xu F, Yang XG, Liang P, Yang T. High performance 2150 nm-emitting InAs/InGaAs/InP quantum well lasers grown by metalorganic vapor phase epitaxy. OPTICS EXPRESS 2015; 23:8383-8388. [PMID: 25968677 DOI: 10.1364/oe.23.008383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We demonstrate high performance 2150 nm InAs/InGaAs/InP quantum well (QW) lasers grown by metalorganic vapor phase epitaxy. The laser structure consists of two InAs/InGaAs QWs, with a 30 μm-wide ridge waveguide and two cleaved cavity facets. The continuous wave operation at room temperature (RT) is achieved, with an output power of larger than 160 mW per facet and with a low threshold current density of 90.4 A/cm(2) per QW derived for the infinite cavity length. Under pulse injection mode, the maximal peak power per facet is as high as 1.35 W. By varying the cavity length, the lasing wavelength can be tuned in a range from 2142 nm to 2154 nm. Moreover, the highest operating temperature reaches up to 100 °C, and characteristic temperatures are 50 K (T(0)) and 132 K (T(1)) in the temperature range of 20-70 °C, respectively.
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Xu F, Shi W, Liu L, He Q, Chang C, Li X. 299 IDENTIFICATION OF MICRORNA-REGULATED PATHWAYS THROUGH AN INTEGRATION OF MICRORNA-MRNA MICROARRAY AND BIOINFORMATICS ANALYSIS IN CD34+ CELLS OF MYELODYSPLASTIC SYNDROMES. Leuk Res 2015. [DOI: 10.1016/s0145-2126(15)30300-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Xu F, Liu W, Mingers J. New journal classification methods based on the global h-index. Inf Process Manag 2015. [DOI: 10.1016/j.ipm.2014.10.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Koehoorn M, Tamburic L, Xu F, Alamgir H, Demers PA, McLeod CB. Characteristics of work-related fatal and hospitalised injuries not captured in workers' compensation data. Occup Environ Med 2015; 72:413-20. [PMID: 25713157 PMCID: PMC4453488 DOI: 10.1136/oemed-2014-102543] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Accepted: 01/15/2015] [Indexed: 11/04/2022]
Abstract
OBJECTIVES (1) To identify work-related fatal and non-fatal hospitalised injuries using multiple data sources, (2) to compare case-ascertainment from external data sources with accepted workers' compensation claims and (3) to investigate the characteristics of work-related fatal and hospitalised injuries not captured by workers' compensation. METHODS Work-related fatal injuries were ascertained from vital statistics, coroners and hospital discharge databases using payment and diagnosis codes and injury and work descriptions; and work-related (non-fatal) injuries were ascertained from the hospital discharge database using admission, diagnosis and payment codes. Injuries for British Columbia residents aged 15-64 years from 1991 to 2009 ascertained from the above external data sources were compared to accepted workers' compensation claims using per cent captured, validity analyses and logistic regression. RESULTS The majority of work-related fatal injuries identified in the coroners data (83%) and the majority of work-related hospitalised injuries (95%) were captured as an accepted workers' compensation claim. A work-related coroner report was a positive predictor (88%), and the responsibility of payment field in the hospital discharge record a sensitive indicator (94%), for a workers' compensation claim. Injuries not captured by workers' compensation were associated with female gender, type of work (natural resources and other unspecified work) and injury diagnosis (eg, airway-related, dislocations and undetermined/unknown injury). CONCLUSIONS Some work-related injuries captured by external data sources were not found in workers' compensation data in British Columbia. This may be the result of capturing injuries or workers that are ineligible for workers' compensation, or the result of injuries that go unreported to the compensation system. Hospital discharge records and coroner reports may provide opportunities to identify workers (or family members) with an unreported work-related injury and to provide them with information for submitting a workers' compensation claim.
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Xu F, Wang HJ, Lin ZM, Yu B. Recurrent duplication mutation in HRAS causing mild Costello syndrome in a Chinese patient. Clin Exp Dermatol 2015; 40:404-7. [PMID: 25677562 DOI: 10.1111/ced.12571] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/03/2014] [Indexed: 11/29/2022]
Abstract
Costello syndrome (CS; OMIM 218040) is caused by heterozygous germline mutations of HRAS (OMIM 190020).We report on a patient with sporadic CS presenting with characteristic craniofacial dysmorphism, congenital cardiopulmonary disorders, intellectual impairment, and skin abnormalities manifesting as loose redundant skin of the hands and feet, acanthosis nigricans, multiple naevi and hypotrichosis. Using Sanger sequencing for the case-parents trio, we detected a de novo insertion mutation (c.187_207dup) in HRAS, which was predicted to result in duplication of amino acids 63-69 (p.E63_D69dup). This mutation was recently described in a mild case of CS, with hyperactivation of HRAS and disrupted capacity to respond to incoming signals. Our study delineates the detailed clinical features associated with this noncanonical HRAS mutation and further expands the phenotypic spectrum of CS.
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Wang HG, Yang J, Han H, Xu F, Bian Y, Zhang H, Wang JL. TNF-αG-308A polymorphism is associated with insulin resistance: a meta-analysis. GENETICS AND MOLECULAR RESEARCH 2015; 14:563-73. [PMID: 25729992 DOI: 10.4238/2015.january.26.11] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Tumor necrosis factor-α (TNF-α) promoter polymorphisms has been reported to be associated with obesity and insulin resistance and gained widespread attention. However, results obtained so far are quite conflicting. We therefore performed a meta-analysis to address this issue, basing on 17 studies from electronic databases (MEDLINE and EMBASE). No evidence of significant effect of TNF-αG-308A polymorphism on body mass index (BMI) or obesity risk was detected (BMI: WMDRE = 0.05, 95%CI: -0.62 to 0.73; risk of obesity: ORFE = 1.09, 95%CI: 0.87 to 1.35). G-308A variant was significantly associated with increased insulin levels in the overall (SMDFE = 0.12, 95%CI: 0.03 to 0.20) and obese subgroup analysis (SMDFE = 0.16, 95%CI: 0.03 to 0.29). In total, no significant result was observed for the association between TNF-α G-308A variant and HOMA-IR index. Nevertheless, subgroup analysis showed G-308A polymorphism was significantly associated with increased HOMA-IR in Caucasians (WMDFE = 0.49, 95%CI: 0.03 to 0.94). Our results indicate that TNF-αG-308A polymorphism has a significant effect on insulin resistance. However, it is unlikely that G-308A variant contributes to obesity.
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Mudiyanselage K, Xu F, Hoffmann FM, Hrbek J, Waluyo I, Boscoboinik JA, Stacchiola DJ. Adsorbate-driven morphological changes on Cu(111) nano-pits. Phys Chem Chem Phys 2015; 17:3032-8. [DOI: 10.1039/c4cp05088f] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Healing of a metal surface by formation of a sub-surface hydride.
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Xu F, Song YL, Yang GQ, Wang JM, Liu LL, Li YH. First Report of Fusarium pseudograminearum from Wheat Heads with Fusarium Head Blight in North China Plain. PLANT DISEASE 2015; 99:156. [PMID: 30699773 DOI: 10.1094/pdis-05-14-0543-pdn] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Wheat (Triticum aestivum L.), the most widely grown winter cereal crop in China, was grown on 24.3 million hectares in 2012. There was an outbreak of Fusarium head blight in 2012, and it was prevalent in 2013 in North China Plain, the largest area producing winter wheat in China. In 2013, a total of 213 Fusarium graminearum-like isolates were collected from diseased wheat heads in 33 fields in 17 counties in Henan province. The pathogen was isolated from the base of Fusarium-damaged spikelets on potato dextrose agar (PDA) after being surface-sterilized (70% EtOH for 30 s and 3% NaClO for 1.5 min) and rinsed three times in sterilized distilled water. After 3 days, the mycelia were transferred to fresh PDA and purified by the single-spore isolation method. Species were identified based on morphological characteristics (2), and sequence analysis of the translation elongation factor-1α (TEF) and trichothecene 3-O-acetyltransferase (Tri 101) gene (3). The results indicated that F. graminearum species complex (97.2%) is the main causal agent of Fusarium head blight in this region. However, four strains (2%) from the two fields in Jiao Zuo and Xin Xiang counties were found to be identical to F. pseudograminearum. The four (13JZ3-1, 13JZ3-2, 13XX1-2, and 13XX1-6) isolates of F. pseudograminearum were transferred onto carnation leaf agar (CLA) and incubated at 20°C under black light blue illumination. On CLA, macroconidia were abundant, relatively slender, curved to almost straight, commonly six- to seven-septate, and averaged 49.7 × 5.0 μm. Microconidia were not observed. Chlamydospores were observed after 4 weeks. The fungus was initially identified as F. graminearum on the basis of morphology of the asexual stage (2). However, the TEF sequences (Accession nos. KJ863322 to KJ863325) showed 99 to 100% similarity with several F. pseudograminearum sequences (e.g., AF212468, AF212469, and AF212470); the Tri 101 sequences (KJ863326 to KJ863329) showed 99 to 100% similarity with accession nos. AF212615 and AF212616 of F. pseudograminearum. The identification was further confirmed by the F. pseudograminearum species-specific PCR primers (Fp1-1: CGGGGTAGTTTCACATTTCCG and Fp1-2: GAGAATGTGATGACGACAATA) (1). To complete Koch's postulates, the pathogenicity of the fungus was tested by spraying five healthy inflorescences (average of 19 spikelets per spike) of wheat cultivar Zhoumai 18 with a 5-ml suspension (5 × 104 conidia per milliliter). Another five healthy inflorescences were sprayed with sterile distilled water. Plants were placed in a growth chamber with a 12-h photoperiod at 22°C, covered with polyethylene bags that were removed after 2 days. Seven days later, while control inflorescences were asymptomatic, inoculated inflorescences showed a mean of 10 bleached spikelets per spike. By using the methodology described above, the fungus was re-isolated from infected spikelets of inoculated wheat heads but not from the controls. To our knowledge, this is the first report of F. pseudograminearum from diseased wheat heads in China. Further investigation is needed to gain a better understanding of the spatial and temporal dynamics of this new pathogen. References: (1) T. Aoki and K. O'Donnell. Mycologia 91:597, 1999. (2) J. F. Leslie and B. A. Summerell. The Fusarium Laboratory Manual. Blackwell Publishing, Oxford, UK, 2006. (3) R. H. Proctor et al. Mol. Microbiol. 74:1128, 2009.
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Guo SG, Guan SH, Wang GM, Liu GY, Sun H, Wang BJ, Xu F. Clinical research of persimmon leaf extract and ginkgo biloba extract in the treatment of vertebrobasilar insufficiency. J BIOL REG HOMEOS AG 2015; 29:151-157. [PMID: 25864752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
This paper aims to compare the curative effects of persimmon leaf extract and ginkgo biloba extract in the treatment of headache and dizziness caused by vertebrobasilar insufficiency. Sixty patients were observed, who underwent therapy with persimmon leaf extract and ginkgo biloba extract based on the treatment of nimodipine and aspirin. After 30 days, 30 patients treated with persimmon leaf extract and 30 patients with ginkgo biloba extract were examined for changes in hemodynamic indexes and symptoms, such as headache and dizziness. The results showed statistically significant differences of 88.3% for the persimmon leaf extract and 73.1% for the ginkgo biloba extract, P < 0.05. Compared to the group of ginkgo biloba extract, the group of persimmon leaf extract had more apparent improvement in the whole blood viscosity, plasma viscosity, fibrinogen, hematokrit, and platelet adhesion rate, and the difference was statistically significant (P < 0.05 or P < 0.01). Based on these analyses, it can be concluded that persimmon leaf extract is better than ginkgo biloba extract in many aspects, such as cerebral circulation improvement, cerebral vascular expansion, hypercoagulable state lowering and vertebrobasilar insufficiency-induced headache and dizziness relief.
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Peng SL, Yao DB, Zhao Y, Xu F, Jia CJ, Xu YQ, Dai CL. Prognostic value of PUMA expression in patients with HBV-related hepatocellular carcinoma. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2015; 19:38-44. [PMID: 25635973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVE The p53 upregulated modulator of apoptosis (PUMA) is a potent apoptosis inducer that is downexpressed in various tumor types. The aim of this study was to explore the prognostic significance of PUMA expression in patients with hepatitis B virus-related hepatocellular carcinoma (HCC). MATERIALS AND METHODS PUMA expressions were examined in 80 pairs of tissues to compare its expression between cancer tissues and paired noncancerous liver tissues using immunohistochemistry (IHC). Relationship between the PUMA expression level and clinicopathological characteristics and clinic outcomes was analyzed. RESULTS PUMA protein was all positive in paired non-tumor tissue samples. PUMA were downregulated in 61.25% (49/80) of tumor tissues compared with non-tumor tissues. PUMA levels in cancer tissues were significantly lower than non-tumor in patients with recurrence-related factors and patients at higher stage (stage II, III) (p < 0.05). In addition, the expressions level in tumor tissues showed a significant correlation with advanced TNM stage (p = 0.013) and present of recurrence-related factors (p = 0.002). Furthermore, Kaplan-Meier survival analysis revealed that weak PUMA expression was associated with poor 3-year disease-free survival (DFS) and overall survival (OS) in HCC patients. Finally, multivariate analyses identified that PUMA was an independent poor-prognostic predictor for DFS and OS in patients with HBV-related HCC. CONCLUSIONS Our results suggest that PUMA expression is a novel prognostic indicator in HBV-related HCC and may be a potential target for diagnosis and gene therapy.
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Ding X, Li L, Lv Y, Xu F, Kuang H, Wang S. Effects of Fermented Sesame Meal on the Performance, Serum Biochemical Parameters and Intestinal Morphology of Ducks. ANIM NUTR FEED TECHN 2015. [DOI: 10.5958/0974-181x.2015.00036.0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Maris SA, Quintanilla D, Taetzsch A, Picard A, Letendre J, Mahler L, Lofgren I, Xu F, Delmonico MJ. The combined effects of tai chi, resistance training, and diet on physical function and body composition in obese older women. J Aging Res 2014; 2014:657851. [PMID: 25614836 PMCID: PMC4295588 DOI: 10.1155/2014/657851] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Revised: 11/29/2014] [Accepted: 12/01/2014] [Indexed: 02/07/2023] Open
Abstract
Obesity is a major health problem in the USA, especially in minority populations over the age of 60 years, and the aging process can cause adverse effects on physical function. Previous research has shown that Tai Chi, resistance training (RT), and diet result in overall health improvements. However, the combination of these specific interventions has yet to be translated to obese older women in an urban setting. The purpose of this study was to examine a combined intervention on the primary outcomes of physical function and body composition. Using a nonrandomized design, 26 obese women (65.2 ± 8.1 years) completed a 12-week intervention; participants were assigned to an intervention (EXD) group or a control (CON) group. The EXD group (n = 17) participated in Tai Chi, RT, and a dietary session. The CON group (n = 9) was asked to continue their normal lifestyle. Timed up and go (TUG) time was reduced by 0.64 ± 2.1 seconds (P = 0.04) in the EXD group while the CON group saw a borderline significant increase of 0.71 sec (P = 0.051). The combined intervention helped improve performance on TUG time, but there were no significant increases in other body composition or function measures.
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Ma J, Liu G, Yao Y, Xu F, Lv N. The Effect of Bacterial Lysates on Patients with Recurrent Respiratory Tract Infections: A Meta-Analysis. VALUE IN HEALTH : THE JOURNAL OF THE INTERNATIONAL SOCIETY FOR PHARMACOECONOMICS AND OUTCOMES RESEARCH 2014; 17:A780. [PMID: 27202892 DOI: 10.1016/j.jval.2014.08.373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
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