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1Digestive tract reconstruction using isoperistaltic jejunumlater-cut overlap method after totally laparoscopic total gastrectomy for gastric cancer: Short-term outcomes and impact on quality of life显示文摘AIM To evaluate the short-term outcomes and quality of life(Qo L) in gastric cancer patients undergoing digestive tract construction using the isoperistaltic jejunum-latercut overlap method(IJOM) after totally laparoscopic total gastrectomy(TLTG).METHODS A total of 507 patients who underwent laparoscopic gastrectomy(D2) from January 2014 to March 2016 were originally included in the study. The patients were divided into two groups to undergo digestive tract construction using either IJOM after TLTG(group T, n = 51) or Roux-en-Y anastomosis after laparoscopic-assisted total gastrectomy(LATG)(group A, n = 456). The short-term outcomes and Qo L were compared between the two groups after 1:2 propensity-score matching(PSM). We used a questionnaire to assess Qo L.RESULTS Before matching, age, sex, tumor size, tumor location, preoperative albumin and blood loss were significantly different between the two groups(P < 0.05). After PSM, the patients were well balanced in terms of their clinicopathological characteristics, although both blood loss and in-hospital postoperative days in group T were significantly lower than those in group A(P < 0.05). After matching, group T reported better Qo L in the domains of pain and dysphagia. Among the items evaluating pain and dysphagia, group T tended to report better Qo L('Have you felt pain' and 'Have you had difficulty eating solid food')(P < 0.05).CONCLUSION The IJOM for digestive tract reconstruction after TLTG is associated with reduced blood loss and less pain and dysphagia, thus improving Qo L after laparoscopic gastrectomy.Ze-Ning Huang Chang-Ming Huang Chao-Hui Zheng Ping Li Jian-Wei Xie Jia-Bin Wang Jian-Xian Lin Jun Lu Qi-Yue Chen Long-Long Cao Mi Lin Ru-Hong Tu Ju-Li Lin 2017World Journal of Gastroenterology2017,23,39:27
2Comparision of modified and conventional delta-shaped gastroduodenostomy in totally laparoscopic surgery显示文摘AIM:To evaluate the safety and feasibility of a modified delta-shaped gastroduodenostomy(DSG)in totally laparoscopic distal gastrectomy(TLDG).METHODS:We performed a case-control study enrolling 63 patients with distal gastric cancer(GC)undergoing TLDG with a DSG from January 2013 to June 2013.Twenty-two patients underwent a conventional DSG(Con-Group),whereas the other 41 patients underwent a modified version of the DSG(Mod-Group).The modified procedure required only the instruments of the surgeon and assistant to complete the involution of the common stab incision and to completely resect the duodenal cutting edge,resulting in an anastomosis with an inverted T-shaped appearance.The clinicopathological characteristics,surgical outcomes,anastomosis time and complications of the two groups were retrospectively analyzed using a prospectively maintained comprehensive database.RESULTS:DSG procedures were successfully completed in all of the patients with histologically complete(R0)resections,and none of these patients required conversion to open surgery.The clinicopathological characteristics of the two groups were similar.There were no significant differences between the groups in the operative time,intraoperative blood loss,extension of the lymph node(LN)dissection and number of dissected LNs(150.8±21.6 min vs 143.4±23.4 min,P=0.225for the operative time;26.8±11.3 min vs 30.6±14.8mL,P=0.157 for the intraoperative blood loss;4/18 vs3/38,P=0.375 for the extension of the LN dissection;and 43.9±13.4 vs 39.5±11.5 per case,P=0.151 for the number of dissected LNs).The anastomosis time,however,was significantly shorter in the Mod-Group than in the Con-Group(13.9±2.8 min vs 23.9±5.6min,P=0.000).The postoperative outcomes,including the times to out-of-bed activities,first flatus,resumption of soft diet and postoperative hospital stay,as well as the anastomosis size,did not differ significantly(1.9±0.6 d vs 2.3±1.5 d,P=0.228 for the time to outof-bed activities;3.2±0.9 d vs 3.5±1.3 d,P=0.295for the first flatus time;7.5±0.8 d vs 8.1±4.3 d,P=0.489 for the resumption of a soft diet time;14.3±10.6 d vs 11.5±4.9 d,P=0.148 for the postoperative hospital stay;and 30.5±3.6 mm vs 30.1±4.0 mm,P=0.730 for the anastomosis size).One patient with minor anastomotic leakage in the Con-Group was managed conservatively;no other patients experienced any complications around the anastomosis.The operative complication rates were similar in the Con-and ModGroups(9.1%vs 7.3%,P=1.000).CONCLUSION:The modified DSG,an alternative reconstruction in TLDG for GC,is technically safe and feasible,with a simpler process that reduces the anastomosis time.Chang-Ming Huang Mi Lin Jian-Xian Lin Chao-Hui Zheng Ping Li Jian-Wei Xie Jia-Bin Wang Jun Lu 2014World Journal of Gastroenterology2014,20,30:26
3Anatomy and influence of the splenic artery in laparoscopic spleen-preserving splenic lymphadenectomy显示文摘AIM: To investigate the splenic hilar vascular anatomy and the influence of splenic artery(Sp A) type in laparoscopic total gastrectomy with spleen-preserving splenic lymphadenectomy(LTGSPL).METHODS:The clinical anatomy data of 317 patients with upper- or middle-third gastric cancer who underwent LTGSPL in our hospital from January 2011 to December 2013 were collected. The patients were divided into two groups(concentrated group vs distributed group) according to the distance between the splenic artery's furcation and the splenic hilar region. Then, the anatomical layout, clinicopathologic characteristics, intraoperative variables, and postoperative variables were compared between the two groups.RESULTS: There were 205 patients with a concentrated type(64.7%) and 112 patients with a distributed type(35.3%) Sp A. There were 22 patients(6.9%) with a single branch of the splenic lobar vessels, 250(78.9%) with 2 branches, 43(13.6%) with 3 branches, and 2 patients(0.6%) with multiple branches. Eighty sevenpatients(27.4%) had type?Ⅰ?splenic artery trunk, 211(66.6%) had type Ⅱ, 13(4.1%) had type Ⅲ, and 6(1.9%) had type Ⅳ. The mean splenic hilar lymphadenectomy time(23.15 ± 8.02 vs 26.21 ± 8.84 min; P = 0.002), mean blood loss resulting from splenic hilar lymphadenectomy(14.78 ± 11.09 vs 17.37 ± 10.62 m L; P = 0.044), and number of vascular clamps used at the splenic hilum(9.64 ± 2.88 vs 10.40 ± 3.57; P = 0.040) were significantly lower in the concentrated group than in the distributed group. However, the mean total surgical time, mean total blood loss, and the mean number of harvested splenic hilar lymph nodes were similar in both groups(P > 0.05 for each comparison). There were also no significant differences in clinicopathological and postoperative characteristics between the groups(P > 0.05).CONCLUSION: It is of value for surgeons to know the splenic hilar vascular anatomy when performing LTGSPL. Patients with concentrated type Sp A may be optimal patients for training new surgeons.Chao-Hui Zheng Mu Xu Chang-Ming Huang Ping Li Jian-Wei Xie Jia-Bin Wang Jian-Xian Lin Jun Lu Qi-Yue Chen Long-Long Cao Mi Lin 2015World Journal of Gastroenterology2015,21,27:14
4Blood perfusion of the contralateral testis evaluated with contrast-enhanced ultrasound in rabbits with unilateral testicular torsion显示文摘The changes of blood perfusion of contralateral testis after unilateral testicular torsion remain controversial.In this study,28 New Zealand white male rabbits were randomly divided into five groups.Group A(n=8),the control group,underwent a sham operation on the unilateral testis without inducing testicular torsion.In groups B,C,and D(n=5 each),unilateral testicular torsion was induced,and,after 3,6 or 24 h,respectively,detorsion was performed.In group E(n=5),permanent unilateral testicular torsion was applied.Contrast-enhanced ultrasound was used to observe the blood perfusion of the contralateral testis at the following stages:pre-torsion(preopration),immediately post-torsion(postopration),pre-detorsion,immediately post-detorsion,and late-stage post-detorsion(6-12 h post-detorsion in groups B-D)or at a similar time point(15-21 h post-torsion in group E).Time-intensity curves were generated,and the following parameters were derived and analyzed:arrival time,time to peak intensity,peak intensity,and half-time of the descending peak intensity.The analysis revealed that blood perfusion of the contralateral testis increased immediately after testicular torsion on the opposite side(P<0.05),which increased with prolonged testicular torsion of the other testis.This research demonstrated that contrast-enhanced ultrasound was valuable in evaluating blood perfusion of the contralateral testis after unilateral testicular torsion.Lin Chen Wei-Wei Zhan Zhou-Jun Shen Wen-Bin Rui Chen Lv Man Chen Jian-Qiao Zhou Ping Zhou Mi Zhou Ying Zhu 2009Asian Journal of Andrology2009,11,2:10
5Small-volume chylous ascites after laparoscopic radical gastrectomy for gastric cancer:Results from a large population-based sample显示文摘AIM:To report the incidence and potential risk factors of small-volume chylous ascites(SVCA)following laparoscopic radical gastrectomy(LAG).METHODS:A total of 1366 consecutive gastric cancer patients who underwent LAG from January 2008 to June 2011 were enrolled in this study.We analyzed the patients based on the presence or absence of SVCA.RESULTS:SVCA was detected in 57(4.17%)patients,as determined by the small-volume drainage(range,30-100 m L/24 h)of triglyceride-rich fluid.Both univariate and multivariate analyses revealed that the total number of resected lymph nodes(LNs),No.8 or No.9 LN metastasis and N stage were independent risk factors for SVCA following LAG(P<0.05).Regarding hospital stay,there was a significant difference between the groups with and without SVCA(P<0.001).The 3-year disease-free and overall survival rates of the patients with SVCA were 47.4%and 56.1%,respectively,which were similar to those of the patients without SVCA(P>0.05).CONCLUSION:SVCA following LAG developed significantly more frequently in the patients with≥32harvested LNs,≥3 metastatic LNs,or No.8 or No.9LN metastasis.SVCA,which was successfully treated with conservative management,was associated with a prolonged hospital stay but was not associated with the prognosis.Jun Lu Zhen-Quan Wei Chang-Ming Huang Chao-Hui Zheng Ping Li Jian-Wei Xie Jia-Bin Wang Jian-Xian Lin Qi-Yue Chen Long-Long Cao Mi Lin 2015World Journal of Gastroenterology2015,21,8:10
6Regulation of Survivin and CDK4 by Epstein-Barr virus encoded latent mem-brane protein 1 in nasopharyngeal carcinoma cell lines显示文摘Latent membrane protein 1 (LMP1), an important protein encoded by Epstein Barr virus (EBV), has been implied to link with the pathogenesis of nasopharyngeal carcinoma (NPC). Its dual effects of increasing cell proliferation and inhibiting cell apoptosis have been confirmed. In this study, we showed that the expression of Survivin and CDK4 protein in CNE-LMP1, a LMP1 positive NPC epithelial cell line, is higher than in LMP1 negative NPC epithelial cell line- CNE1, and the expression is LMP1 dosage-dependent. Although it was reported that Survivin specifically expressed in cell cycle G2/M phase, our studies suggested that LMP1 could promote the expression of Survivin in G0/G1, S and G2/ M phase. It also showed that Survivin and CDK4 could be accumulated more in the nuclei triggered by LMP1. More interestingly, Survivin and CDK4 could form a protein complex in the nuclei of CNE-LMP1 rather than in that of CNE1, which demonstrated that the interaction between these two proteins could be promoted by LMP1. These results strongly suggested that the role of LMP1 in the regulation of Survivin and CDK4 may also shed some light on the mechanism research of LMP1 in NPC.Mi Dan AI Li Li LI Xiao Rong ZHAO Yong WU Jian Ping GONG Ya CAO 2005Cell Research2005,15,10:8
7Schistosoma japonicum egg antigen up-regulates fibrogenesis and inhibits proliferation in primary hepatic stellate cells in a concentration-dependent manner显示文摘AIM:To investigate the effects of different concentrations of Schistosoma japonicum(S.japonicum) egg antigen on fibrogenesis and apoptosis in primary hepatic stellate cells(HSCs).METHODS:A mouse model of schistosomiasis-associated liver fibrosis(SSLF) was established by infecting mice with schistosomal cercaria via the abdomen.HSCs were isolated from SSLF mice by discontinuous density gradient centrifugation,and their identity was confirmed by immunofluorescence double staining of α-smooth muscle actin(α-SMA) and desmin.The growth inhibitory effect and 50% inhibitory concentration(IC50) of S.japonicum egg antigen for primary HSCs(24 h) were determined using a cell counting kit-8(CCK-8) assay.The expression levels of α-SMA,matrix metalloproteinase-9(MMOL/LP-9) and tissue inhibitor of metalloproteinases-1(TIMP-1) in HSCs in response to different concentrations of S.japonicum egg antigen were detected by Western blotting and real-time reverse transcription-polymerase chain reaction.The levels of phospho-P38(P-P38),phospho-Jun N-terminal kinase(P-JNK) and phospho-Akt(P-AKT) in HSCs were detected by Western blotting.RESULTS:An SSLF mouse model was established,and primary HSCs were successfully isolated and cultured.S.japonicum egg antigen inhibited HSC proliferation in a concentration-dependent manner.The IC50 of the S.japonicum egg antigen was 244.53 ± 35.26 μg/mL.S.japonicum egg antigen enhanced α-SMA expression at both the mRNA and protein levels and enhanced TIMP-1 expression at the mRNA level in HSCs(P < 0.05),whereas the expression of MMOL/LP-9 was attenuated at both the mRNA and protein levels in a concentration-dependent manner(P < 0.05).A high concentration of S.japonicum egg antigen enhanced P-P38,P-JNK and P-AKT activation(P < 0.05).The changes in α-SMA and MMOL/LP-9 expression induced by S.japonicum egg antigen were closely correlated with P-P38 and P-JNK activation(P < 0.05).The attenuation of MMOL/LP-9 was also correlated with P-AKT activation(P < 0.05),but the increase in α-SMA expression was not.TIMP-1 expression was not correlated with P-P38,P-JNK or P-AKT activation.CONCLUSION:S.japonicum egg antigen promotes fibrogenesis,activates the P38/JNK mitogen-activated protein kinase and AKT/PI3K signaling pathways and inhibits proliferation in primary HSCs isolated from SSLF mice in a concentration-dependent manner.Ping Liu Mi Wang Xiao-Dan Lu Shu-Juan Zhang Wang-Xian Tang 2013World Journal of Gastroenterology2013,19,8:8
8Identification of quantitative trait loci affecting tolerance to low phosphorus in rice (Oryza Sativa L.)显示文摘Phosphorus (P)-deficiency in rice (Oryza. Sativa. L) may cause yield reductions. This research has been conducted to map quantitative trait loci (QTLs) for tolerance to low phosphorus stress in a doubled haploid (DH) population. By using the linkage map of this population, the OTLs for relative dry weight, relative P content and relative P utilization efficiency have been located. The results indicate that one RFLP marker located on chromosome 6 is closely associated with relative root dry weight, relative shoot dry weight and relative total dry weight, which explain 24.9%, 20.5% and 25.2% of the total phenotypic variations, respectively. Two QTLs affect relative P uptake content, which account for 20.7% of the total phenotypic variations. One micro-effect QTL has been found to be associated with relative P utilization efficiency. It is suggested that the P uptake efficiency is more associated with P efficiency. Among the secondary physiological indices of P uptake efficiency, the root dry weight isMING Feng ZHENG Xianwu MI Guohua HE Ping ZHU Lihuang ZHANG Fusuo 2000Chinese Science Bulletin2000,45,6:7
9Bioactive Study on Mixtures of Epimedin C and Icariin Monomers with Invariant Molarity to Zebrafish Osteoporosis Model显示文摘Objective To evaluate the anti-osteoporosis effect of the mixtures of epimedin C and icariin monomers with invariant molarity on zebrafish osteoporosis model. Methods The zebrafishes, fertilized 4 d ago, were exposed in 11 groups of nutrient solutions with prednisolone(25 μmol/L) as well as epimedin C and icariin(15 μmol/L) of various contents. The ratio of epimedin C and icariin in the 11 groups were as follows: A(10:0), B(9:1), C(8:2), D(7:3), E(6:4), F(5:5), G(4:6), H(3:7), I(2:8), J(1:9), and K(0:10). Meanwhile, a negative control group with prednisolone(25 μmol/L) was prepare as S. The selected zebrafish fetus was put into the 24-hole culture plate, and ensure every 5 zebrafishes in 1 hole and 2 holes as a group. They were placed in incubator at 28.5 o C, and the daily changes of fluid were investigated until they were put to death on day 8and then fixed. After dyeing with alizarin red, the segmental venter of zebrafish skulls was observed and quantitative analysis of dyed area was conducted. Results Compared with the negative control group S, the integrated optical density(IOD) values of cranial dyed area in all groups increased significantly(P < 0.05); Compared with group S, the IOD value of cranial dyed area in mixtures of epimedium monomers increased significantly(P < 0.05). The mixtures of epimedium monomers were all effective in facilitating zebrafish cranial mineralization and preventing prednisolone from inducing osteoporosis. According to mixtures of A-K groups, zebrafish cranial mineralization gradually decreased with gradually reduced content of epimedin C, with significant difference among groups(P < 0.05). Conclusion The higher the content of epimedin C in mixtures with invariant molarity is, the more active the anti-osteoporosis effect of epimedin C to zebrafish osteoporosis model is.Mi Huang Jing Feng Ping Xia Zai-xuan Zhong Shun-ping He Yu-qin Shu Jiang-yan He Ying Wang 2017Chinese Herbal Medicines2017,9,1:5
10Application of preoperative artificial neural network based on blood biomarkers and clinicopathological parameters for predicting longterm survival of patients with gastric cancer显示文摘BACKGROUND Because of the powerful abilities of self-learning and handling complex biological information,artificial neural network(ANN)models have been widely applied to disease diagnosis,imaging analysis,and prognosis prediction.However,there has been no trained preoperative ANN(preope-ANN)model to preoperatively predict the prognosis of patients with gastric cancer(GC).AIM To establish a neural network model that can predict long-term survival of GC patients before surgery to evaluate the tumor condition before the operation.METHODS The clinicopathological data of 1608 GC patients treated from January 2011 to April 2015 at the Department of Gastric Surgery,Fujian Medical University Union Hospital were analyzed retrospectively.The patients were randomly divided into a training set(70%)for establishing a preope-ANN model and a testing set(30%).The prognostic evaluation ability of the preope-ANN model was compared with that of the American Joint Commission on Cancer(8th edition)clinical TNM(cTNM)and pathological TNM(pTNM)staging through the receiver operating characteristic curve,Akaike information criterion index,Harrell's C index,and likelihood ratio chi-square.RESULTS We used the variables that were statistically significant factors for the 3-year overall survival as input-layer variables to develop a preope-ANN in the training set.The survival curves within each score of the preope-ANN had good discrimination(P<0.05).Comparing the preope-ANN model,cTNM,and pTNM in both the training and testing sets,the preope-ANN model was superior to cTNM in predictive discrimination(C index),predictive homogeneity(likelihood ratio chi-square),and prediction accuracy(area under the curve).The prediction efficiency of the preope-ANN model is similar to that of pTNM.CONCLUSION The preope-ANN model can accurately predict the long-term survival of GC patients,and its predictive efficiency is not inferior to that of pTNM stage.Si-Jin Que Qi-Yue Chen Qing-Zhong Zhi-Yu Liu Jia-Bin Wang Jian-Xian Lin Jun Lu Long-Long Cao Mi Lin Ru-Hong Tu Ze-Ning Huang Ju-Li Lin Hua-Long Zheng Ping Li Chao-Hui Zheng Chang-Ming Huang Jian-Wei Xie 2019World Journal of Gastroenterology2019,25,43:4
11Cytokines predict virological response in chronic hepatitis B patients receiving peginterferon alfa-2a therapy显示文摘BACKGROUND Chronic hepatitis B virus infection remains a major global public health problem.Peginterferon-alpha-2a(PEG-IFN)has direct antiviral and immunoregulatory effects,and it has become one of the first choice drugs for the treatment of chronic hepatitis B(CHB).Cytokines play an important role in immunity,and they directly inhibit viral replication and indirectly determine the predominant pattern of the host immune response.AIM To determine the correlation between cytokine/chemokine expression levels and response to PEG-IFN treatment in patients with CHB.METHODS Forty-six kinds of cytokines were analyzed before PEG-IFN therapy and at 24 wk during therapy in 26 CHB patients.RESULTS The monokine induced by INF-γ(CXCL9)and serum interferon-inducible protein 10(IP-10)levels at baseline were higher in virological responders than in nonvirological responders(NRs)and decreased during treatment,whereas the NRs did not exhibit significant changes.The macrophage inflammatory protein 1d(MIP-1d)levels at baseline and during treatment were significantly higher in the virological responders than in the NRs,while thymus and activation-regulated chemokine(TARC)levels at baseline and during treatment were significantly lower in the virological responders than in the NRs.The CXCL9,IP-10,MIP-1d,and TARC baseline levels exhibited the expected effects for interferon treatment.The area under the receiver operating characteristic curve values of CXCL9,IP-10,MIP-1d,and TARC for predicting virological responses were 0.787,0.799,0.787,and 0.77(P=0.01,0.013,0.01,and 0.021),respectively.CONCLUSION We found that cytokine levels before and during treatment may represent potential biomarkers to select CHB patients who can respond to PEG-IFN.Therefore,cytokines can be used as an indicator of antiviral drug selection before CHB treatment.Wen-Kang Fu Jie Cao Ning-Ning Mi Chong-Fei Huang Long Gao Jin-Duo Zhang Ping Yue Bing Bai Yan-Yan Lin Wen-Bo Meng 2020World Journal of Clinical Cases2020,8,11:4
12Prognostic value of pre-and post-transplantation 18F-fluorodeoxyglucose positron emission tomography results in non-Hodgkin lymphoma patients receiving autologous stem cell transplantation显示文摘Objective: High-dose chemotherapy(HDC) followed by autologous stem cell transplantation(ASCT) is the standard of care in the upfront or relapsed/refractory setting in some patients with non-Hodgkin lymphoma(NHL).However,a proportion of patients do not respond to ASCT.^(18)F-fluorodeoxyglucose(FDG) positron emission tomography(PET)/computed tomography(CT) has been widely used for staging,response evaluation,and prognosis prediction.Here,we investigated the prognostic role of PET/CT in NHL patients before and after ASCT.Methods: A retrospective study was conducted at Peking University Cancer Hospital.All NHL patients who underwent ASCT between March 2010 and July 2016 were identified.Patients who had PET/CT scan before and after ASCT were included.Deauville criteria(5-point scale) were used to interpret PET scans.Univariate and multivariate survival analyses were performed using Cox regression.The predictive value of PET scanning was estimated by comparing the area under the receiver operating characteristic(ROC) curve.Results: In total,79 patients were enrolled in this study.In univariate analysis,pre-and post-ASCT PET result was identified as prognostic factors for 3-year progression-free survival(PFS) and overall survival(OS).Patients with negative pre-ASCT PET result demonstrated significantly better PFS(84.2% vs.54.2%) and OS(89.2% vs.63.6%) than patients with positive pre-ASCT PET result.PFS(91.6% vs.25.3%) and OS(96.5% vs.36.8%) were also significantly different between patients with negative and positive post-ASCT PET result.Multivariate analysis also showed a significant association between survival and post-ASCT PET result.ROC analysis revealed that the predictive value of post-ASCT PET result was superior to that of pre-ASCT PET result alone.Combined pre-and post-ASCT PET result is better for predicting outcomes in patients with NHL receiving transplantation.Deauville criteria score >3 was identified as the best cutoff value for post-ASCT PET.Conclusions: Post-ASCT PET result was more important than pre-ASCT PET result in predicting outcomes for NHL patients who underwent ASCT.The prognostic significance can be improved when combining preASCT PET result with post-ASCT PET result.Deauville criteria can be used for interpreting PET scans in this scenario.Zhitao Ying Lan Mi Xuejuan Wang Yuewei Zhang Zhi Yang Yuqin Song Xiaopei Wang WenZheng Ningjing Lin Meifeng Tu Yan Xie Lingyan Ping Chen Zhang Weiping Liu LijuanDeng Jun Zhu 2017Chinese Journal of Cancer Research2017,29,6:3
13New metastatic lymph node classification for early gastric cancer should differ from those for advanced gastric adenocarcinoma: Results based on the SEER database显示文摘AIM To establish an appropriate N classification system for early gastric cancer(EGC).METHODS Data from 10714 patients who underwent radical gastrectomy between 1988 and2011 were retrieved from the National Cancer Institute's Surveillance,Epidemiology, and End Result database. The overall survival(OS) based on the eighth edition and new tumor lymph node metastasis(TNM) staging systems were compared, and the analysis was repeated in an external validation set from the Fujian Medical University Union Hospital database.RESULTS There were no significant differences in OS between N1 and N2 cancers or between N3a and N3b cancers in cases of EGC. The X-tile program identified that the new staging system for EGC consisted of T1N0, T1N1' [1-6 metastatic lymph nodes(LNs)], and T1N2'( ≥ 7 metastatic LNs). Compared with the eighth edition of the TNM staging system, the OS of patients in T1N1' stage was similar to that of patients with stage IIA disease, whereas the OS of patients in T1N2' stage was similar to that of patients with stage IIB disease. The new TNM staging system exhibited a slightly lower Akaike Information Criterion value and higher χ~2 and c-statistic compared with the eighth edition of the TNM classification system.Similar results were found in the external validation dataset from the external validation set.CONCLUSION We have developed an optional new TNM staging system with a better predictive ability that can be used to accurately predict the 5-year OS of patients with EGC.Jian-Xian Lin Jun-Peng Lin Ping Li Jian-Wei Xie Jia-Bin Wang Jun Lu Qi-Yue Chen Long-Long Cao Mi Lin Ru-Hong Tu Chao-Hui Zheng Chang-Ming Huang 2019World Journal of Clinical Cases2019,7,2:3
14Short-term efficacy of robotic and laparoscopic spleen-preserving splenic hilar lymphadenectomy via Huang’s three-step maneuver for advanced upper gastric cancer: Results from a propensity scorematched study显示文摘BACKGROUND Robotic surgery has been considered to be significantly better than laparoscopic surgery for complicated procedures.AIM To explore the short-term effect of robotic and laparoscopic spleen-preserving splenic hilar lymphadenectomy(SPSHL)for advanced gastric cancer(GC)by Huang’s three-step maneuver.METHODS A total of 643 patients who underwent SPSHL were recruited from April 2012 to July 2017,including 35 patients who underwent robotic SPSHL(RSPSHL)and 608 who underwent laparoscopic SPSHL(LSPSHL).One-to-four propensity score matching was used to analyze the differences in clinical data between patients who underwent robotic SPSHL and those who underwent laparoscopic SPSHL.RESULTS In all,175 patients were matched,including 35 patients who underwent RSPSHL and 140 who underwent LSPSHL.After matching,there were no significant differences detected in the baseline characteristics between the two groups.Significant differences in total operative time,estimated blood loss(EBL),splenic hilar blood loss(SHBL),splenic hilar dissection time(SHDT),and splenic trunk dissection time were evident between these groups(P<0.05).Furthermore,no significant differences were observed between the two groups in the overall noncompliance rate of lymph node(LN)dissection(62.9%vs 60%,P=0.757),number of retrieved No.10 LNs(3.1±1.4 vs 3.3±2.5,P=0.650),total number of examined LNs(37.8±13.1 vs 40.6±13.6,P=0.274),and postoperative complications(14.3%vs 17.9%,P=0.616).A stratified analysis that divided the patients receiving RSPSHL into an early group(EG)and a late group(LG)revealed that the LG experienced obvious improvements in SHDT and length of stay compared with the EG(P<0.05).Logistic regression showed that robotic surgery was a significantly protective factor against both SHBL and SHDT(P<0.05).CONCLUSION RSPSHL is safe and feasible,especially after overcoming the early learning curve,as this procedure results in a radical curative effect equivalent to that of LSPSHL.Jia-Bin Wang Zhi-Yu Liu Qi-Yue Chen Qing Zhong Jian-Wei Xie Jian-Xian Lin Jun Lu Long-Long Cao Mi Lin Ru-Hong Tu Ze-Ning Huang Ju-Li Lin Hua-Long Zheng Si-Jin Que Chao-Hui Zheng Chang-Ming Huang Ping Li 2019World Journal of Gastroenterology2019,25,37:2
15Abdominal Obesity and Its Attribution to All-cause Mortality in the General Population with 14 Years Follow-up:Findings from Shanxi Cohort in China显示文摘Objective This study aimed to assess the association of waist circumference(WC)with all-cause mortality among Chinese adults.Methods The baseline data were from Shanxi Province of 2002 China Nutrition and Health Survey.The death investigation and follow-up visit were conducted from December 2015 to March 2016.The visits covered up to 5,360 of 7,007 participants,representing a response rate of 76.5%.The Cox regression model and floating absolute risk were used to estimate hazard ratio and 95%floating CI of death by gender and age groups(≥60 and<60 years old).Sensitivity analysis was performed by excluding current smokers;participants with stroke,hypertension,and diabetes;participants who accidentally died;and participants who died during the first 2 years of follow-up.Results This study followed 67,129 person-years for 12.5 years on average,including 615 deaths.The mortality density was 916 per 100,000 person-years.Low WC was associated with all-cause mortality among men.Multifactor-adjusted hazard ratios(HR)were 1.60(1.35–1.90)for WC<75.0 cm and 1.40(1.11–1.76)for WC ranging from 75.0 cm to 79.9 cm.Low WC(<70.0 cm and 70.0–74.9 cm)and high WC(≥95.0 cm)groups had a high risk of mortality among women.The adjusted HRs of death were 1.43(1.11–1.83),1.39(1.05–1.84),and 1.91(1.13–3.22).Conclusion WC was an important predictor of death independent of body mass index(BMI).WC should be used as a simple rapid screening and predictive indicator of the risk of death.ZHAI Yi REN Ze Ping ZHANG Mei ZHANG Jian JIANG Yong MI Sheng Quan WANG Zhuo Qun ZHAO Yan Fang SONG Peng Kun YIN Zhao Xue ZHAO Wen Hua 2020Biomedical and Environmental Sciences2020,33,4:2
16Strategies of laparoscopic spleen-preserving splenic hilar lymph node dissection for advanced proximal gastric cancer显示文摘For advanced proximal gastric cancer(GC),splenic hilar(No.10) lymph nodes(LN) are crucial links in lymphatic drainage.According to the 14^(th) edition of the Japanese GC treatment guidelines,a D2 lymphadenectomy is the standard surgery for advanced GC,and No.10 LN should be dissected for advanced proximal GC.In recent years,the preservation of organ function and the use of minimally invasive technology are being accepted by an increasing number of clinicians.Laparoscopic spleenpreserving splenic hilar LN dissection has become more accepted and is gradually being used in operations.However,because of the complexity of splenic hilar anatomy,mastering the strategies for laparoscopic spleen-preserving splenic hilar LN dissection is critical for successfully completing the operation.Qi-Yue Chen Chang-Ming Huang Chao-Hui Zheng Ping Li Jian-Wei Xie Jia-Bin Wang Jian-Xian Lin Jun Lu Long-Long Cao Mi Lin Ru-Hong Tu Zhi-Liang Hong 2016World Journal of Gastrointestinal Surgery2016,8,6:2
17Associations between serum uric acid and hepatobiliary-pancreatic cancer:A cohort study显示文摘BACKGROUND Uric acid is the end product of purine metabolism.Previous studies have found that serum uric acid(SUA)levels are associated with the total cancer risk.However,due to the dual effect of uric acid on cancer,the relationship between the SUA levels and most specific-site cancer remains unclear.AIM To investigate the associations between the SUA levels and incidence of hepatobiliary-pancreatic cancer.METHODS In this prospective cohort study,444462 participants free of cancer from the UK Biobank were included.The SUA levels were measured at baseline,and the incidence of hepatobiliary-pancreatic cancer was determined by contacting the cancer registry.The hazard ratios(HRs)and 95%confidence intervals(CIs)between the SUA levels and hepatobiliary-pancreatic cancer were investigated using multiple adjusted Cox regression models adjusted for potential confounders.RESULTS In total,920 participants developed liver,gallbladder,biliary tract or pancreatic cancer during a median of 6.6 yrs of follow-up.We found that the HR of pancreatic cancer in the highest SUA group was 1.77(95%CI:1.29-2.42)compared with that in the lowest group.After stratifying by gender,we further found that SUA was associated with an increased risk of pancreatic cancer only among the females(highest quartile vs lowest quartile HR 2.04,95%CI:1.35-3.08).Among the males,the SUA levels were positively associated with the gallbladder cancer risk(highest quartile vs lowest quartile HR 3.09,95%CI:1.28-7.46),but a U-shaped association with the liver cancer risk was observed(P-nonlinear=0.03).CONCLUSION SUA is likely to have gender-specific effects on hepatobiliary-pancreatic cancer.High SUA levels are a risk factor for pancreatic cancer in females and gallbladder cancer in males.A U-shaped association with the liver cancer risk was identified.Chong-Fei Huang Jun-Jun Huang Ning-Ning Mi Yan-Yan Lin Qiang-Sheng He Ya-Wen Lu Ping Yue Bing Bai Jin-Duo Zhang Chao Zhang Teng Cai Wen-Kang Fu Long Gao Xun Li Jin-Qiu Yuan Wen-Bo Meng 2020World Journal of Gastroenterology2020,26,44:2
18Genome Size of Alexandrium catenella and Gracilariopsis lemaneiformis Estimated by Flow Cytometry显示文摘Flow cytometry(FCM) technique has been widely applied to estimating the genome size of various higher plants. However, there is few report about its application in algae. In this study, an optimized procedure of FCM was exploited to estimate the genome size of two eukaryotic algae. For analyzing Alexandrium catenella, an important red tide species, the whole cell instead of isolated nucleus was studied, and chicken erythrocytes were used as an internal reference. The genome size of A. catenella was estimated to be 56.48 ± 4.14 Gb(1C), approximately nineteen times larger than that of human genome. For analyzing Gracilariopsis lemaneiformis, an important economical red alga, the purified nucleus was employed, and Arabidopsis thaliana and Chondrus crispus were used as internal references, respectively. The genome size of Gp. lemaneiformis was 97.35 ± 2.58 Mb(1C) and 112.73 ± 14.00 Mb(1C), respectively, depending on the different internal references. The results of this research will promote the related studies on the genomics and evolution of these two species.DU Qingwei SUI Zhenghong CHANG Lianpeng WEI Huihui LIU Yuan MI Ping SHANG Erlei Zeeshan Niaz QUE Zhou 2016Journal of Ocean University of China2016,15,4:2
19Fabrication of low-resistance LaNi_xO_(3+δ) thin films for ferroelectric device electrodes显示文摘LaNiO_3 thin films with different La/Ni ratios were deposited on Si substrates by sol-gel process. The electrical resistivities of LaNi_xO_(3+δ) films with different La/Ni ratios were measured by four-probe method.LaNi_(0.95)O_(3+δ) thin film has the lowest resistivity. First-principle calculations show that LaNi_(0.95)O_(3+δ) has the largest Ni-O-Ni bond angle and the shortest Ni-O bond length, which means LaNi_(0.95)O_(3+δ) has the strongest metallic property, hence, the electrical resistivity is the lowest. Au/PZT(PbZr_(0.52)Ti_(0.48)O_3)/LaNi_xO_(3+δ) and Au/PZT/Pt ferroelectric capacitors were fabricated to evaluate LaNi_xO_(3+δ) as a bottom electrode. It is shown that fatigue properties of PZT films can be significantly improved by using LaNi_xO_(3+δ) instead of Pt as the bottom electrode. The Ⅰ-Ⅴ test results of PZT films show that LaNi_(0.95)O_(3+δ) as bottom electrode can reduce the threshold voltages of PZT films, suggesting that La/Ni ratio in LaNi_xO_(3+δ)has a large influence on the film properties.Mi Xiao Zebin Zhang Weikang Zhang Ping Zhang Kuibo Lan 2018Journal of Rare Earths2018,36,8:2
20Low expression of CDK5RAP3 and DDRGK1 indicates a poor prognosis in patients with gastric cancer显示文摘AIM To investigate the effects of different levels of expression of CDK5RAP3 and DDRGK1 on long-term survival of patients undergoing radical gastrectomy.METHODS The expression of CDK5RAP3 and DDRGK1 was detected by immunohistochemistry in 135 patients who received standard gastrectomy were enrolled in the study. Western Blot was used to detect the expression of CDK5RAP3 and DDRGK1 in gastric cancer and its adjacent tissues and cell lines. The correlations between the expression of CDK5RAP3 and DDRGK1 and clinicopathological factors were analyzed, and the value of each parameter to the prognosis of the patients was compared. Receiver operating characteristic analysis was used to compare the accuracy of the prediction of clinical outcome by the parameters.RESULTS CDK5RAP3 and DDRGK1 expression was downregulated in the gastric cancer compared to its respective adjacent non-tumor tissues. The expression of CDK5RAP3 was closely related to the age of the patients(P = 0.035) and the T stage of the tumor(P = 0.017). The expression of DDRGK1 was correlated with the sex of the patients(P = 0.080), the degree of tumor differentiation(P = 0.036), the histological type(P = 0.036) and the N stage of the tumor(P = 0.014). Low expression CDK5RAP3 or DDRGK1 is a poor prognostic factor for gastric cancer patients. Prognostic analysis showed that the co-expression of CDK5RAP3 and DDRGK1 was an independent prognostic factor correlating with the overall survival of gastric cancer patients. Combined expression analysis of CDK5RAP3 and DDRGK1 may provide a more accurate prognostic value for overall survival.Jian-Xian Lin Xin-Sheng Xie Xiong-Feng Weng Chao-Hui Zheng Jian-Wei Xie Jia-Bin Wang Jun Lu Qi-Yue Chen Long-Long Cao Mi Lin Ru-Hong Tu Ping Li Chang-Ming Huang 2018World Journal of Gastroenterology2018,24,34:2
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