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Li XY, He HY, Tang X, Wang R, Zhang CY, Wang SQ, Sun B, Tong ZH. [Percutaneous catheterization for extracorporeal membrane oxygenation: a retrospective case series]. ZHONGHUA JIE HE HE HU XI ZA ZHI = ZHONGHUA JIEHE HE HUXI ZAZHI = CHINESE JOURNAL OF TUBERCULOSIS AND RESPIRATORY DISEASES 2019; 49:678-682. [PMID: 28910912 DOI: 10.3760/cma.j.issn.1001-0939.2017.09.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To review the experience of percutaneous catheterization for extracorporeal membrane oxygenation (ECMO) by respiratory intensivists at a single institution. Methods: A retrospective review of 87 patients undergoing percutaneous catheterization for ECMO in Department of Respiratory and Critical Care Medicine of Beijing Chaoyang Hospital from November 2009 to January 2017. Subject demographics, type of support, cannulation configuration, types of cannulas, use of imaging modalities, and complications were recorded and summarized. Results: The 87 patients consisted of 61 males and 26 females. The average age was (47±16)years (range 15-82 years ). Fifty-six patients were given ECMO therapy because of acute respiratory distress syndrome(ARDS), and 16 were treated as a bridge for lung transplantation and 15 for other causes. Eighty-one cases were given VV-ECMO support, and 6 cases were given VA-ECMO support. The most commonly used cannulas were 15-17 F arterial cannulas and 21-23 F venous cannulas. Preinsertion ultrasound was performed in 62 patients (71%) . Bedside chest radiography was used to help adjust the position of the end of the cannula in 11 patients (13%). Percutaneous catheterization was successful in 85 cases (97%) , while it failed in 2 female patients due to thick subcutaneous fat layer, and open surgical approach was used. Percutaneous femoral artery collateral circulation was established by ourselves in 5 cases. One patient with femoral artery catheterization without collateral circulation had gangrene of limbs. The complications included 9 cases of catheter site hemorrhage, 4 catheter-related bloodstream infection and 1 pulmonary embolism during ECMO weaning. Conclusion: Percutaneous catheterization for ECMO can be performed with a high rate of success and a low rate of complications.
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Wang YB, Sun B, Han B. Retinoic acid increases the anticancer effect of paclitaxel by inducing differentiation of cancer stem cells in melanoma. DIE PHARMAZIE 2019; 73:729-732. [PMID: 30522558 DOI: 10.1691/ph.2018.8715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 09/29/2022]
Abstract
Malignant melanoma is a highly lethal disease, and advanced stages of melanoma have proven to be resistant to many chemotherapeutic drugs including temozolomide and paclitaxel. Cancer stem cells (CSCs) have been identified and isolated in different cancers including melanoma, and have been proven playing important role in the drug resistance. Retinoic acid (RA) is a promising anticancer agent, which can induce differentiation of CSCs. The main purpose of the present study was to evaluate the possible RA-induced differentiation of melanoma CSCs and sensitization of melanoma CSCs to paclitaxel. Our results show that CSCs of human melanoma A375 cells was more tolerant to paclitaxel than other non-CSCs melanoma cells. On the contrary, RA had stronger inhibitory effect on melanoma CSCs than on non-CSCs. At the same time, RA could arrest the cell cycle of CSCs and reduce the expression of Sox-2, Oct-4 in CSCs of melanoma, thereby induced the differentiation of CSCs and increased its sensitivity to paclitaxel. With this study we concluded that RA increases the anticancer effect of paclitaxel by inducing differentiation of cancer stem cells in melanoma, and the combined application of RA and paclitaxel may be more effective in the treatment of melanoma.
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Liu Y, Cui Z, Wang YY, Sun B, Xiao JY, Gao MD, Wang JX, Gong XW, Feng SY, Gao J. [Plaque features in saphenous vein graft evaluated by virtual histology intravascular ultrasound]. ZHONGHUA XIN XUE GUAN BING ZA ZHI 2019; 47:26-33. [PMID: 30669807 DOI: 10.3760/cma.j.issn.0253-3758.2019.01.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the features of plaques of saphenous venous graft (SVG) with virtual histology intravascular ultrasound (VH-IVUS) in patients underwent coronary artery bypass graft surgery. Methods: From March 2016 to March 2018, a total of 45 patients ((64.4±7.9) years old, 88.9% male (40 cases)) with ischemic symptoms after coronary artery bypass graft surgery and with coronary artery angiography evidenced SVG stenosis greater than or equal to 50%, who received percutaneous coronary intervention in Tianjin chest hospital were continuously included in this study, and the clinical data were retrospectively analyzed. VH-IVUS was performed before PCI to analyze plaque composition. The patients were divided into no smoking group (21 cases) and smoking group (24 cases), no diabetes group (30 cases) and diabetes group (15 cases), normal very low density lipoprotein cholesterin (VLDL-C) group (24 cases) and elevated VLDL-C group (21 cases), stable angina pectoris group (5 cases) and acute coronary syndrome group (40 cases), plaque burden (PB) < 70% group (11 cases) and PB ≥ 70% group (34 cases), without thin-cap fibroatheroma group (35 cases) and thin-cap fibroatheroma group (10 cases), and plaque features were compared between different groups. Results: The graft age was (8.9±3.7) years.The stenosis degree of SVG lesions was 90 (90, 98) %. The minimum lumen diameter was 1.6 (1.5, 1.8) mm. The vessel cross-sectional area was (12.1±4.0) mm(2). The plaque area was 8.6 (5.7,12.0) mm(2). The minimum lumen area was 2.5 (2.1,3.3) mm(2). The plaque burden was (75.3±8.3)%. The fibrotic tissue (FI) ratio was (65.1±10.1)%, fibrofatty plaque (FF) ratio was 13.8 (5.4,25.3) %, necrotic core tissue (NC) ratio was 12.0 (5.4,24.0)%, and dense calcium tissue (DC) ratio was1.0 (0.2,3.8)% in SVG lesions. There were no significant differences in SVG plaque area, FI area,FF area,NC area,and DC area between no smoking group and smoking group, no diabetes group and diabetes group, and normal VLDL-C group and elevated VLDL-C group. SVG plaque volume was significantly higher in acute coronary syndrome group than in stable angina pectoris group (262.2 (148.5,401.2) mm(3) vs. 93.1 (50.6,155.9) mm(3),P=0.006), and plaque area (10.1 (6.6,13.3) mm(2) vs. 5.0 (3.6,6.9) mm(2), P<0.001), FI area(4.8 (3.2,6.8) mm(2) vs. 2.8 (1.9,3.0) mm(2), P<0.001),and FF area (1.15 (0.60, 2.07) mm(2) vs. 0.30 (0.10,0.90) mm(2), P=0.009) were significantly larger in PB ≥ 70% group than in PB < 70% group.The NC area (1.75(0.40,2.78) mm(2) vs. 0.60 (0.20,1.30) mm(2), P=0.030) and DC area (0.35 (0.10,0.50) mm(2) vs. 0.00 (0.00,0.10) mm(2), P=0.006) were significantly larger in thin-cap fibroatheroma group than that in without thin-cap fibroatheroma group. Spearman correlation analysis showed that the plaque area of SVG lesion was positively correlated with FF area (r=0.64, P<0.001) and NC area (r=0.43, P=0.003). PB was positively correlated with FF area (r=0.50, P<0.001) and NC area (r=0.33, P=0.028). Graft age was positively correlated with FF area (r=0.30, P=0.047). Conclusions: The main components of SVG plaque are fibrotic tissue, conversely, calcified tissue is rare in patients with SVG stenosis after coronary artery bypass graft surgery. Fibrofatty tissue is increased in the plaque in patients with PB ≥ 70%. The necrotic component is also increased in patients with thin-cap fibroatheroma. The fibrofatty component increases and the plaque tends to be unstable in proportion with increaing age of the graft in this patient cohort.
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Wu Y, Sun B, Shi W, Ni L, Chen J, Cai G, Shi J. OCT4 is up-regulated by DNA hypomethylation of promoter in recurrent gliomas. Neoplasma 2019; 63:378-84. [PMID: 26925786 DOI: 10.4149/306_150919n492] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OCT4, a marker of embryonic stem cells, is also a key transcription factor that plays a regulatory role in the self-renewal, proliferation and differentiation of stem cells. Previous studies showed that DNA methylation is involved in the regulation of OCT4 expression during the development and differentiation of embryonic stem cells. However, DNA methylation in the promoter region of OCT4 has not yet been discussed in human recurrent glioma. In this study, we assessed the specimens from 24 cases of recurrent glioma for OCT4 expression and methylation status, and commenced analyzing the correlation between the two by treating glioma cells with a demethylating agent in vitro. The results demonstrated that for the same cases, the expression of OCT4 in specimens of recurrent glioma was significant higher than that in primary glioma (P<0.05). DNA methylation levels in recurrent glioma decreased obviously compared with that in primary glioma (t=9.800, P=0.008). In vitro study indicated, following demethylation treatment, glioma cells had an increased OCT4 expression. These results suggest that DNA hypomethylation may be a key mechanism underlying the up-regulation of OCT4 in the recurrence of glioma, which facilitates the understanding of the role of stem cells and the exploration of novel strategies for the treatment of recurrent glioma.
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Tan Z, Zhang W, Li G, Huang X, Wang K, Xu X, Wang LS, Sun B. A Successful Case of Liver Transplantation in an Adult With Congenital Hepatic Arteriovenous Fistulae Associated Cardiac Dilatation and Heart Failure. Transplant Proc 2018; 50:4004-4007. [PMID: 30577304 DOI: 10.1016/j.transproceed.2018.08.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 08/10/2018] [Accepted: 08/29/2018] [Indexed: 11/25/2022]
Abstract
Congenital hepatic arteriovenous fistulae (CHAVF) are direct communications between the hepatic artery and portal vein or hepatic vein. Clinical symptoms of CHAVF depend mainly on the location, duration, and blood flow volume of the fistulae, which are manifested by portal hypertension, hepatic fibrosis, cardiac enlargement, and eventually heart failure. Here we report a female patient aged 54 who was first admitted to our hospital due to recurrent chest tightness and palpitations in March 2014. Metoprolol tartrate and diltiazem hydrochloride were prescribed to control the symptom since nothing unusual was found in coronary angiography and abdominal ultrasound. Until April 2015, the patient's syndrome relapsed and abdominal computed tomography angiography and digital subtraction angiography revealed diffuse arteriovenous fistulae between the branches of hepatic artery and vein. Subsequently, 3 attempts at hepatic arterial embolization were performed; however, her abdominal pain aggravated and her heart discomfort could not be relieved eventually. Therefore, orthotopic liver transplantation as the salvage treatment was performed using a hepatic graft from a 19-year-old cardiac-death donor performed on January 1, 2017. Upon operation, the enlarged right hepatic artery whose diameter was approximately 1.5 cm in this recipient. And we also demonstrated a novel manner that the graft's celiac artery patch was anastomosed to the recipient's proper hepatic artery and gastroduodenal artery patch, which could reduce the blood flow successfully. The patient recovered uneventfully and was discharged home on the postoperatively 15th day. Since her liver transplantation, she has not complained of cardiac discomfort and abdominal pain, and her heart size has returned to normal on echocardiography. The hepatic artery peak velocity reduced to normal and the heart shadow also recovered. Nevertheless, for complex and diffuse intrahepatic vascular fistulae after failed hepatic artery embolization, liver transplantation should be strongly considered as the definitive treatment of choice.
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Yu L, Sun B, Liu X, He J, Lou H, Chen X, Tong F, Wei L, Zhang Y, Wei W. Nitric oxide inhibits the transcription of E6 gene of human papillomavirus. Acta Virol 2018; 62:447-453. [PMID: 30472876 DOI: 10.4149/av_2018_414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
High-risk human papillomavirus (HPV) is an important pathogenic factor for cervical cancer and understanding the mechanism of HPV gene transcription is important for the prevention and therapy of HPV related cervical cancer. This study aimed to investigate the role of nitric oxide (NO) in the regulation of HPV gene transcription. SiHa cells containing integrated HPV16 were treated with NO donor DETA-NO and cell proliferation and cytotoxicity were determined. HPV gene transcription was detected by real-time PCR. We found no significant cytotoxic effects on SiHa cells when the concentration of DETA-NO was less than 0.5 mmol/l. The transcription of HPV E6 gene was inhibited by DETA-NO in a dose-dependent manner and the best inhibitory effect was observed at 0.5 mmol/l DETA-NO. In addition, ERK inhibitor U0126 decreased the transcription of HPV E6 gene at the concentration of 30 μmol/l. In conclusion, NO inhibits the transcription of HPV E6 gene and probably involves MAPK signaling pathway. Keywords: SiHa cells; nitric oxide; MAPK pathway; HPV transcription.
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Lyu M, Li Y, Hao Y, Lyu C, Huang Y, Sun B, Li H, Xue F, Liu X, Yang R. CCR6 defines a subset of activated memory T cells of Th17 potential in immune thrombocytopenia. Clin Exp Immunol 2018; 195:345-357. [PMID: 30403287 DOI: 10.1111/cei.13233] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/02/2018] [Indexed: 01/06/2023] Open
Abstract
Current researches have determined the significance of C-C chemokine receptor (CCR)6 expression as either a marker of T helper cells (Th) or an effector and regulator of T cell function. However, the roles of CCR6 in the pathogenesis of immune thrombocytopenia (ITP) are unclear. In this study, we aimed to investigate the phenotype and functional characteristics of circulating CCR6+ T cells in blood from chronic ITP patients and healthy controls. We found that the frequency of CCR6+ CD4+ cells was higher in ITP patients than in healthy controls. Anti-CD3/anti-CD28 stimulation induced rapid expansion of CCR6+ CD4+ cells in ITP patients. CCR6+ CD4+ cells had a phenotype of activated cells and predominantly expressed CD45RO. Forkhead box protein P3 (FoxP3) and CD25-positive cells were exclusively detected within the CCR6+ CD4+ cells. In ITP patients, CCR6+ regulatory T cells (Treg ) were decreased and positively correlated with platelet counts and transforming growth factor (TGF)-β plasma levels. In contrast to CCR6- counterparts, CCR6+ CD4+ cells produced higher levels of interleukin (IL)-17A. The frequency of CCR6+ Th17 was higher in ITP patients and positively correlated with IL-17A levels in supernatant. Most importantly, CCR6+ CD4+ cell subpopulations, but not CCR6- CD4+ , were closely correlated to treatment response of ITP patients. These findings suggest that circulating CCR6+ CD4+ cells in ITP patients have characteristics of activated memory Th17 phenotype and could be used to monitor disease activity and treatment response.
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Hu K, Ma J, Zhang F, Wei L, He J, Zhao F, Zhong W, Cheng G, Sun B, Wang P, Shi Y, Zhu H. Extended-Field Intensity Modulated Radiation Therapy (EF-IMRT)and Intra-Cavitary Brachytherapy Combined with Chemotherapy in Cervical Cancer: A Multicenter-Clinical Trial. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.1707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Liu J, Wu C, Guan Z, Sun B, Guan X. Feasibility of Laparoscopic Single-Site Sacrocolpopexy. J Minim Invasive Gynecol 2018. [DOI: 10.1016/j.jmig.2018.09.541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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110
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Yan J, Wei L, He J, Wang T, Ran L, Zou L, Li X, Zhao F, Zi L, Li S, Sun X, Zhong W, Gao Y, Dong M, Gao K, Cheng G, Sun B, Zhang F. Intensity Modulated Radiation Therapy or 3D Conformal Radiation Therapy Combined with Brachytherapy and Concurrent Chemoradiotherapy in Advanced Cervical Cancer: A Retrospective Multicenter Study. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.1741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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111
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Li JT, Li YL, Chen HZ, Sun B. [Research advances on the therapy of pancreatic fistula after pancreatic surgery]. ZHONGHUA WAI KE ZA ZHI [CHINESE JOURNAL OF SURGERY] 2018; 56:873-876. [PMID: 30392309 DOI: 10.3760/cma.j.issn.0529-5815.2018.11.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Pancreatic fistula is a common and serious complication after pancreatic surgery. Pancreatic fistula, intra-abdominal infection and hemorrhage are known as the " lethal triad" after pancreatic surgery, which seriously affect the curative efficacy of operation. Although the incidence of pancreatic fistula has not been significantly reduced, there have been a large number of studies on the risk factors of pancreatic fistula and the means of prevention and therapy, which try to minimize the harm of pancreatic fistula. In this article we review the recent development of the latest definition, high risk factors and treatment of postoperative pancreatic fistula according to relevant literatures at home and abroad, aiming at summarizing the research advances on the therapy of pancreatic fistula after pancreatic surgery.
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Guan X, Liu J, Guan Z, Blazek K, Pan L, Sun B. Laparoscopic Single-Site Sacrocolpopexy with Uterine Preservation: Surgical Techniques. J Minim Invasive Gynecol 2018. [DOI: 10.1016/j.jmig.2018.09.236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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113
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Wang H, Yue H, Sun B, Zhu X, Niu H, Qi T, Ding W, Han L, Zhang M, Tian Z, Guan H, Yang J, Li S, Zhu K, Tang C, Dong M, Yin Y, Wang H, Cao X, Zhang J, Liu H, Xu Z, Gao C, Heng Y. Birth population survey in Huai'an in 2015: perinatal-neonatal mortality and preterm birth rate in emerging regions in China. J Matern Fetal Neonatal Med 2018; 33:838-846. [PMID: 30373412 DOI: 10.1080/14767058.2018.1506439] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Objective: This survey followed the birth population-based study conducted in 2010 in Huai'an, Jiangsu Province, with the aim to estimate perinatal-neonatal mortality and preterm birth rate in emerging regions with similar maternal-fetal and neonatal care conditions in China.Materials and methods: Data of total births in 2015 were prospectively collected by regional perinatal network collaboration in Huai'an, a subprovincial region with a population of 5,644,500 and gross domestic production of 9082 USD per capita.Results: The 59,424 birth registries (including 59,023 live births and 167 stillbirths) corresponded to a birth rate of 10.5‰ and a Male-to-female ratio of 113.7:100. All births there were from 85, 16, and 6 level I, II, and III hospitals, with a delivery rate of 30.4, 40.2, and 29.4%, respectively. Of all births, 14.1% had pregnancy-associated comorbidities and complications, 54.4% (32,226/59,190) had cesarean delivery, and multiple pregnancies and birth defects occurred in 2.1% (1,250) and 5.5‰ (324), respectively. The mean birth weight was 3448 ± 507 g with 13.9% being macrosomia, and 2.86% (1695/59,190) low birth weight. Preterm birth rate was 4.06% (2404/59,190) with a mortality rate of 8.5%. There were 94.5% recorded as healthy newborns and 5.5% (3263) requiring hospitalization after birth. The perinatal and neonatal mortality rate was 5.2‰ (167 stillbirths, 139 early neonatal deaths) and 4.0‰, respectively. Compared with the 2010 survey, these data demonstrated generally improved status of perinatal-neonatal healthcare.Conclusions: The low rates of perinatal-neonatal mortality, preterm birth and preterm mortality suggest that the concept and study protocol of perinatal-neonatal healthcare in Huai'an may serve as the benchmark for estimating regional vital statistics and perinatal and neonatal outcomes.
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Liu C, Sun B, Xu B, Meng X, Li L, Song Q, Wu S, Yu J. A Panel Containing PD-1, IL-2Rα, IL-10, and CA15-3 as a Biomarker to Discriminate Breast Cancer from Benign Breast Disease. J Glob Oncol 2018. [DOI: 10.1200/jgo.18.82400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: Programmed cell death protein 1 (PD-1), an immune checkpoint molecule, has recently been recognized as a predictive and prognostic biomarker in several malignant tumors, but its diagnostic value remains largely unknown. Aim: We aimed to investigate the differential diagnostic efficiency of PD-1 and other immune molecules, and propose a panel of immune molecules combined with cancer antigen 15-3 (CA15-3) to distinguish breast cancer (BC) from benign breast disease (BBD). Methods: Ninety-one eligible BC patients and 31 BBD patients were enrolled. Pretreatment peripheral blood was collected and tested for mRNA expression of PD-1, cytotoxic T lymphocyte antigen 4 (CTLA-4), forkhead box P3 (FOXP3), transforming growth factor beta (TGF-β), interleukin-10 (IL-10), IL-2 receptor alpha (IL-2Rα), and cluster of differentiation 28 (CD28) by quantitative real-time PCR. Results: The diagnostic areas under curve (AUCs) of PD-1, IL-2Rα, and IL-10 for BC-BBD discrimination were 0.764, 0.758, and 0.743, respectively. The diagnostic efficiencies of these 2 parameters in distinguishing early-stage or advanced BC from BBD were consistent with a role in BC-BBD discrimination. A panel of PD-1 + IL-10 + IL-2Rα + CA15-3 showed the highest AUC (0.862), with sensitivity of 0.933 and specificity of 0.724, for BC-BBD discrimination. In addition, for early-stage BC discrimination, this panel also had the highest AUC (0.811), with a sensitivity of 0.933 and specificity of 0.614, while for advanced BC discrimination, a panel of PD-1 + IL-10 + CA15-3 exhibited the highest AUC (0.896), with a sensitivity of 0.933 and specificity of 0.783. Conclusion: These data indicate that the panel containing PD-1, IL-2Rα, IL-10, and CA15-3 can effectively discriminate BC from BBD with a high efficiency. After further confirmation, it could be used to complement conventional imaging modalities, especially in discriminating early-stage BC from BBD.
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Zhang Y, Lou Y, Sun B, Zhang X, Han B. P1.03-22 MiR-125b Plays a Tumor Suppressor Role in Inflammation-Related Non-Small Cell Lung Cancer via Repressing IGF-1 Signal Pathway. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Wang H, Yang Y, Dong C, Su T, Sun B, Zou B. Validation of an Improved Statistical Theory for Sea Surface Whitecap Coverage Using Satellite Remote Sensing Data. SENSORS 2018; 18:s18103306. [PMID: 30275436 PMCID: PMC6209970 DOI: 10.3390/s18103306] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 09/13/2018] [Accepted: 09/27/2018] [Indexed: 11/23/2022]
Abstract
The whitecap coverage at the sea surface is affected by the ratio of kinetic energy to potential energy, θ, the wave spectrum width parameter, ρ, and other factors. This paper validates an improved statistical theory for surface whitecap coverage. Based on the theoretical analysis, we find that the whitecap coverage is more sensitive to ρ than to θ, and the improved statistical theory for surface whitecap coverage is suitable in regions of rough winds and waves. The satellite-derived whitecap coverage data in the westerly wind zone is used to validate the improved theory. The comparison between the results from theory and observations displays a better performance from the improved theory relative to the other methods tested.
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Contreras J, Srivastava A, Chundury A, Reynoso F, Zhao T, Sun B, Roach M, Robinson C, Bradley J. P3.17-02 Increasing Radiation Dose to Central Structures is Associated with Worse Survival Following Thoracic Proton Reirradiation. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Liu C, Yu Y, Sun Y, Guo D, Sun B, Wu S, Yu J. Increased PD-1 MRNA Expression in Peripheral Blood Cells of ER+ and PR+ Breast Cancer Patients and Its Unfavorable Prognostic Value. J Glob Oncol 2018. [DOI: 10.1200/jgo.18.83700] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: The clinical significance of programmed cell death 1 (PD-1) and cytotoxic T lymphocyte-associated protein 4 (CTLA-4) expression on tumor infiltrating lymphocytes in breast cancer patients has been confirmed, while that of peripheral blood cells derived immune molecules remain unclear. Aim: We aimed to investigate the clinical importance of immune molecules, including PD-1 and CTLA-4, expression in peripheral blood cells of breast cancer patients, especially in terms of the relationship between immune molecules and estrogen receptor (ER)/progesterone receptor (PR) status, as well as their prognostic values. Methods: We enrolled 109 breast cancer patients, including 52 cases before surgery and neoadjuvant treatment (PreS group), 18 cases postsurgery and adjuvant chemoradiotherapy (PostS group), 39 metastatic cases presalvage treatment (Met group), and 21 age- and sex-matched healthy volunteers). The mRNA abundance of PD-1, CTLA-4, IL-2 receptor alpha (IL-2Rα), and cluster of differentiation 28 (CD28), forkhead box P3 (FOXP3), transforming growth factor beta (TGF-β), and interleukin-10 (IL-10) in pretreatment peripheral blood were analyzed by quantitative real-time PCR. Results: ER+ breast cancer patients showed significant higher mRNA levels of PD-1, CTLA-4, IL-2Rα, and CD28 with fold changes of 10.8, 2.4, 5.0, and 3.8, respectively ( P < 0.05) than that of ER− cases. Similarly, PR+ patients showed increased levels of PD-1, CTLA-4, and CD28 with fold changes of 6.7, 2.0, and 2.5, respectively ( P < 0.05) comparing to that of PR− cases. Patients in PreS group and Met group showed higher mRNA levels of PD-1, CTLA-4, IL-2Rα, CD28, FOXP3, TGF-β, and IL-10 than PostS group and healthy volunteers. Univariable analysis revealed that high PD-1 expression was associated with poorer progression-free survival (PFS) in metastatic breast cancer patients (5.9 vs 14.6 months, HR: 2.47, 95% CI: 1.22-5.02, P = 0.046). Meanwhile, the prognostic value of PD-1 was remained in multivariate analyses (HR: 2.22, 95% CI: 1.04-4.73, P = 0.039). Conclusion: Increased PD-1, CTLA-4, and CD28 mRNA abundance were showed in breast cancer patients and ER+/PR+ cases, which may provide the rationale for combining checkpoint inhibitors with endocrine therapy for breast cancer treatment. Furthermore, PD-1 is a promising prognostic biomarker for metastatic breast cancer.
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Probst M, Su E, Yagapen A, Weiss R, Gibson T, Sun B. 109 Clinical Benefit of Hospitalization for Older Adults With Syncope. Ann Emerg Med 2018. [DOI: 10.1016/j.annemergmed.2018.08.114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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120
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Sun B, Tang X. [Extracorporeal membrane oxygenation: hope of severe acute respiratory distress syndrome]. ZHONGHUA YI XUE ZA ZHI 2018; 98:2706-2708. [PMID: 30220163 DOI: 10.3760/cma.j.issn.0376-2491.2018.34.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
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Cao W, Liu X, Xu X, Zeng M, Sun B, Yu X, Wang N, Mao H, Zhang B, Yuan Y, Xing C. The Src homology and collagen A (ShcA) adaptor protein may participate in the pathogenesis of membranous lupus nephritis. Lupus 2018; 27:2014-2019. [PMID: 30189773 DOI: 10.1177/0961203318796295] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The Src homology and collagen A (ShcA) adaptor protein that binds to tyrosine kinase receptors. ShcA plays a role in insulin signaling, stress resistance and energy metabolism. The 66-kDa Src homology 2 domain-containing protein (p66shc) belongs to the ShcA family and has been associated with reactive oxygen species (ROS); increased ROS is involved in the pathology of lupus nephritis (LN). However, whether ShcA can act as a biomarker for oxidative injury in LN is unknown. This study is aimed to investigate the ShcA expression in kidney tissues from patients presenting with LN and the association between ShcA expression and clinical parameters. Renal biopsy tissues were obtained from 62 LN, 20 primary membranous nephropathy (MN) and 10 other secondary MN patients. ShcA was measured by immunofluorescence. The expression of ShcA in the membranous lupus nephritis (class V) group showed a higher trend but there were no significant differences compared with pure mesangial disease (class II) and proliferative (Class III/IV) lupus nephritis. ShcA deposits were negative in primary and other secondary MN. ShcA might act as a new biomarker and a diagnostic tool to identify membranous lupus nephritis with other MN.
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Lyu XJ, Sun B, Li L, Chen H, Kong R. [Clinical analysis of small incision minimally invasive approach in treatment of infected pancreatic necrosis]. ZHONGHUA WAI KE ZA ZHI [CHINESE JOURNAL OF SURGERY] 2018; 56:687-692. [PMID: 30157575 DOI: 10.3760/cma.j.issn.0529-5815.2018.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the safety and efficiency of small incision minimally invasive approach pancreatic necrosectomy in the treatment of infected pancreatic necrosis. Methods: The data of 164 patients who underwent small incision minimally invasive approach pancreatic necrosectomy for infected pancreatic necrosis at Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University from January 2012 to December 2016 were analyzed retrospectively.Among 164 patients, there were 102 male and 62 female patients.The median age was 46 years(ranging from 19 to 79 years). One hundred and one patients(61.6%) suffered from severe acute pancreatitis and 63 patients(38.4%) suffered from moderately severe acute pancreatitis.Following step-up approach principle, the surgical procedures were performed for 131 patients(79.9%) who suffered from sepsis which could not be alleviated via percutaneous catheter drainage(PCD). The other 33 patients(20.1%) who did not undergo PCD directly took small incision minimally invasive approach pancreatic necrosectomy.Preoperative CT images were used to determine the location of the lesion.The PCD puncture points or the points where the abscess was closest to the skin were chosen as the incision.Gradually, the small incision minimally invasive approach pancreatic necrosectomy were performed via cutting all layers into the abscess. Results: The median time from the onset of symptom to first operation was 32 days(ranging from 23 to 45 days). The average hospital stay was 46 days(ranging from 29 to 103 days). The average number of drainage tubes placed was 4 pieces(ranging from 2 to 8 pieces). Ninety-two patients(56.0%) underwent minimal access retroperitoneal pancreatic necrosectomy. Thirty-six patients(22.0%) underwent minimal invasive approach lesser omentum sac pancreatic necrosectomy.Thirty-six patients(22.0%) underwent minimal invasive approach lesser omentum sac pancreatic necrosectomy combined with minimal access retroperitoneal pancreatic necrosectomy.A total of 148 cases(90.2%) were cured via minimally invasive approach pancreatic necrosectomy, 8 cases(4.9%) were cured after transfering to open pancreatic necrosectomy.The cure rate was 95.1%(156/164). The mainly postoperative complications included pancreatic fistula(25 cases), intra-abdominal hemorrhage(10 cases), gastric fistula (2 cases), duodenal fistula(4 cases) and colonic fistula(3 cases). The overall incidence rate of complications was 26.8%(44/164). Eight cases were dead after surgery and the in-hospital mortality was 4.9%(8/164). Conclusion: In summary, small incision minimally invasive approach pancreatic necrosectomy is an effective way to clean up necrotic tissue, improve the drainage, reduce complications in dealing with infected pancreatic necrosis.
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Han LP, Sun B, Xie Y, Chen LM. [Influence of celastrol on toll-like receptor 4-mediated signaling pathway in the free fatty acids-induced HepG2 cells]. ZHONGHUA YI XUE ZA ZHI 2018; 98:2591-2596. [PMID: 30220146 DOI: 10.3760/cma.j.issn.0376-2491.2018.32.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the effect and mechanism of celastrol on free fatty acids (FFAs)-induced HepG2 cells. Methods: Cultured human HepG2 cells were transfected with toll-like receptor 4 (TLR4) siRNA, and the interference efficiencies were examined by real-time PCR. HepG2 cells were treated with FFAs and celastrol, and the untreated cells were used as a normal control (NC). Deposition of lipids in the HepG2 cells were visualized by Oil Red O staining. The protein expression of TLR4 and downstream inflammatory mediators [myeloid differentiation factor 88 (MyD88), nuclear factor (NF)-κBp65, interleukin (IL)-1β and tumor necrosis factor α (TNF-α)] in the HepG2 cells were determined by Western blotting. The significance of the data obtained was evaluated using analysis of variance (ANOVA). Results: Red lipid droplets were extensively deposited in HepG2 cells after 0.5 mmol/L FFAs induction and significantly decreased in the celastrol-treated group. The protein expression of TLR4 and downstream inflammatory mediators (MyD88, NF-κBp65, IL-1β and TNF-α) in the FFAs-induced HepG2 cells increased significantly compared with those of the NC group (all P<0.05), and were suppressed in TLR4 siRNA-treated and celastrol-treated group (TLR4: 0.69±0.14, 1.63±0.12 vs 2.46±0.23; MyD88: 1.21±0.12, 1.35±0.18 vs 1.62±0.19; NF-κBp65: 1.69±0.14, 1.54±0.36 vs 2.19±0.47; IL-1β: 1.51±0.16, 1.45±0.38 vs 1.82±0.27; TNF-α: 1.60±0.14, 1.41±0.29 vs 1.88±0.19) (all P<0.01). Co-treatment with TLR4 siRNA and celastrol further reduced the expression of inflammation mediators compared with those of the TLR4 siRNA-treated group (MyD88: 1.09±0.23 vs 1.21±0.12; NF-κBp65: 1.24±0.20 vs 1.69±0.14; IL-1β: 1.28±0.31 vs 1.51±0.16; TNF-α: 1.10±0.29 vs 1.60±0.14) (all P<0.01). Conclusion: Celastrol exerts its protective effect partly via inhibiting the TLR4-mediated signaling pathways in the steatotic HepG2 cells.
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Sharp AL, Wu YL, Shen E, Redberg R, Lee M, Ferencik M, Natsui S, Zheng C, Kawatkar AA, Sun B. 1090Prospective validation of HEART score for the prediction of 30-day death or myocardial infarction in community ED patients with possible acute coronary syndrome. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.1090] [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: 11/14/2022] Open
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Khan E, Chuang A, Halabi A, Tiver K, Horsfall M, Briffa T, Sun B, Cullen L, French J, Chew D. P2713Impact of routine implementation of high sensitivity troponin in a state-wide health service. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p2713] [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: 11/12/2022] Open
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Zhang Y, Wang Q, Wang YD, Sun B, Leng XW, Li Q, Ren LQ. Effect of rutin on cisplatin-induced damage in human mesangial cells via apoptotic pathway. Hum Exp Toxicol 2018; 38:118-128. [DOI: 10.1177/0960327118785233] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Cisplatin (CP) is one of the most effective and widely used compounds in the treatment of disease, including cancer, but is known to induce toxicity in patients. Rutin (RUT) is a flavonoid glycoside from Sophora japonica L. that has been shown to possess antioxidative, anti-inflammatory, and antiviral properties. RUT is also known to attenuate cardiotoxicity, isoproterenol-induced cardiac fibrosis, and ischemia/reperfusion-associated hemodynamic alteration, and prevents high glucose-induced renal glomerular endothelial hyperpermeability. In this study, we investigated the effect of RUT on CP-induced nephrotoxicity. CP was used to induce toxicity in human mesangial cells (HMCs), HMCs were pretreated with different concentrations of RUT before being exposed to 10 μg/mL of CP. A positive group was pretreated with antioxidant agent N-acetylcysteine prior to CP administration. At doses between 12.5 and 25 μM, RUT prevented CP-induced reduction in cell viability. Treatment with RUT suppressed intracellular reactive oxygen species and malonic dialdehyde levels and inhibited cell apoptosis. RUT reversed the CP-induced upregulation of p53, cleaved-caspase-3, and increased pro-caspase-3 and pro-caspase-9 levels. In conclusion, the RUT can relieve CP-induced nephrotoxicity by inhibiting the p53/caspase signaling pathway.
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Sun B, Moon JH, Cai Q, Rerknimitr R, Ma S, Lakhtakia S, Ryozawa S, Kutsumi H, Yasuda I, Shiomi H, Li X, Li W, Zhang X, Itoi T, Wang HP, Qian D, Wong Lau JY, Yang Z, Ji M, Hu B. Review article: Asia-Pacific consensus recommendations on endoscopic tissue acquisition for biliary strictures. Aliment Pharmacol Ther 2018; 48:138-151. [PMID: 29876948 DOI: 10.1111/apt.14811] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 03/23/2018] [Accepted: 04/26/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND Pre-operative tissue diagnosis for suspected malignant biliary strictures remains challenging. AIM To develop evidence-based consensus statements on endoscopic tissue acquisition for biliary strictures. METHODS The initial draft of statements was prepared following a systematic literature review. A committee of 20 experts from Asia-Pacific region then reviewed, discussed, and modified the statements. Two rounds of independent voting were conducted to reach a final version. Consensus was considered to be achieved when 80% or more of voting members voted "agree completely" or "agree with some reservation." RESULTS Eleven statements achieved consensus. The choice of tissue sampling modalities for biliary strictures depends on the clinical setting, the location of lesion, and availability of expertise. Detailed radiological and endoscopic evaluation is useful to guide the selection of appropriate tissue acquisition technique. Standard intraductal biliary brushing and/or forceps biopsy is the first option when endoscopic biliary drainage is required with an overall (range) sensitivity and specificity of 45% (26%-72%) and 99% (98%-100%), and 48% (15%-100%) and 99% (97%-100%), respectively, in diagnosing malignant biliary strictures. Probe-based confocal laser endomicroscopy and fluorescence in situ hybridisation using 4 fluorescent-labelled probes targeting chromosomes 3, 7, 17 and 9p21 locus may be added to improve the diagnostic yield. Cholangioscopy-guided biopsy and EUS-guided tissue acquisition can be considered after prior negative conventional tissue sampling with an overall (range) sensitivity and specificity of 60% (38%-88%) and 98% (83%-100%), and 80% (46%-100%) and 97% (92%-100%), respectively, in diagnosing malignant biliary strictures. CONCLUSION These consensus statements provide evidence-based recommendations for endoscopic tissue acquisition of biliary strictures.
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Sun GM, Kong R, Yang SF, Sun B. [Advances in diagnosis and treatment of undifferentiated pancreatic carcinoma with osteoclast-like giant cells]. ZHONGHUA WAI KE ZA ZHI [CHINESE JOURNAL OF SURGERY] 2018; 56:548-550. [PMID: 30032538 DOI: 10.3760/cma.j.issn.0529-5815.2018.07.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Undifferentiated pancreatic carcinoma with osteoclast-like giant cell(UOC) published to date, and most have been in Asia, is a rare occurrence making up 1% of all pancreatic malignancies.With the increasing number of reported cases of the disease, the degree of awareness of the disease also gradually deepened, but there are few summary articles for the clinical features, imaging features, pathological features, treatment programs, prognosis and other aspects of UOC.Hence, this article is going to introduce pathological features, clinical manifestations, diagnosis and treatment of adjuvant advances of UOC in detail.
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Mi LY, Ban CJ, Liu Y, Bao N, Sun B, Zhu M, Ren YH, Dai HP. [Clinical features of acute diffuse pulmonary exudative disorders]. ZHONGHUA YI XUE ZA ZHI 2018; 97:3445-3449. [PMID: 29275576 DOI: 10.3760/cma.j.issn.0376-2491.2017.44.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the clinical features of acute diffuse pulmonary exudative disorders. Methods: The data were collected from patients who were hospitalized in respiratory intensive care unit (RICU) of Beijing Chaoyang Hospital affiliated to the Capital Medical University during January 2009 to December 2011, and had acute clinical course with imaging findings of diffuse pulmonary infiltrated shadows (similar to acute respiratory distress syndrome (ARDS)). The causes of disease and clinical features were analyzed. Results: A total of 86 patients with acute diffuse pulmonary exudative disorders were included. Sixty-two (72.1%) were males, with a mean age of (58.6±16.4) years old; 24(27.9%) were females, with a mean age of (48.2±18.3) years old. The duration of the disease before administration was (11.5±5.2) days, and RICU stay was (15.5±9.5) days, with hospital mortality of 40.7% and the average hospitalization cost of 101 thousand RMB. The main cause was infection, which occurred in 53 cases (61.6%) (virus in 21 cases, bacteria in 14 cases, fungus in 11 cases, pneumocystis in 15 cases and others in 3 cases, mixed infection in 11 cases). Interstitial pneumonia occurred in 12 cases (idiopathic interstitial pneumonia in 9 cases: cryptogenic organizing pneumonia in 3 cases, the acute exacerbation of idiopathic pulmonary fibrosis in 3 cases, nonspecific interstitial pneumonia in 1 case, acute interstitial pneumonia in 2 cases, and connective tissue disease in 3 cases), aspiration pneumonia in 10 cases, acute left heart failure in 6 cases, and exogenous pulmonary ARDS in 5 cases. Conclusions: The main cause of acute diffuse pulmonary exudative disorders is pulmonary infection, followed by interstitial pneumonia. The hospital mortality and hospitalization cost are high.
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Lin L, Bhawana R, Xue Y, Duan Q, Jiang R, Chen H, Chen X, Sun B, Lin H. Comparative Analysis of Diffusional Kurtosis Imaging, Diffusion Tensor Imaging, and Diffusion-Weighted Imaging in Grading and Assessing Cellular Proliferation of Meningiomas. AJNR Am J Neuroradiol 2018; 39:1032-1038. [PMID: 29748203 DOI: 10.3174/ajnr.a5662] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Accepted: 02/24/2018] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE An accurate evaluation of the World Health Organization grade and cellular proliferation is particularly important in meningiomas. Our aim was to prospectively evaluate and compare diffusional kurtosis imaging, DTI, and DWI metrics in determining the grade and cellular proliferation of meningiomas. MATERIALS AND METHODS Ninety-six consecutive patients with histopathologically confirmed meningiomas were included in this study. Mean kurtosis, radial kurtosis, axial kurtosis, fractional anisotropy, mean diffusivity, and ADC were semiautomatically obtained in the solid components of tumors. Each normalized diffusion value was compared between high-grade meningiomas and low-grade meningiomas using the Mann-Whitney U test. Receiver operating characteristic, multiple logistic regression, and Pearson correlation analysis were used for statistical evaluations. RESULTS Diffusional kurtosis imaging metrics (mean kurtosis, radial kurtosis, and axial kurtosis) were significantly higher in high-grade meningiomas than in low-grade meningiomas (P ≤ .001). Mean diffusivity and ADC were significantly lower in high-grade meningiomas than in low-grade meningiomas (P = .003 and .002). Mean kurtosis had significantly greater area the under curve values than mean diffusivity and fractional anisotropy in differentiating high-grade meningiomas from low-grade meningiomas (P = .038 and .002). Mean kurtosis was the only variable that could be used to independently differentiate high-grade meningiomas and low-grade meningiomas (P < .001). Significant correlations were found between the Ki-67 labeling index and kurtosis metrics (P < .001), as well as for mean diffusivity and ADC (P = .004, and .007). CONCLUSIONS Compared with other diffusion metrics, mean kurtosis may serve as an optimal parameter for evaluating and predicting the meningioma grade. Moreover, diffusion metrics may potentially reflect cellular proliferation.
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Wei YX, Sun B, Xiao L, Shi BY. Infusion of Lymphocytes Treated With 8-Methoxypsoralen and Ultraviolet A Light Induces CD19 +IL-10 + Regulatory B Cells and Promotes Skin Allograft Survival. Transplant Proc 2018; 50:3906-3910. [PMID: 30577285 DOI: 10.1016/j.transproceed.2018.04.066] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 04/27/2018] [Indexed: 12/27/2022]
Abstract
Extracorporeal photopheresis (ECP) represents an alternative to immunosuppression as a means of reducing rejection after thoracic organ transplantation. The mechanism by which ECP exerts its protective effects, until now, has remained elusive. Infusion of ECP-treated splenic lymphocytes (PUVA-SP) can induce CD4+CD25highFoxp3+ regulatory T cells. However, the regulatory effect of PUVA-SP on B cells remains poorly understood. In the present study, we measured IL-10 secretion from CD19+ B cells of peripheral blood mononuclear cells. Our results demonstrate that infusion of PUVA-SP (PUVA-BSP from BALB/c or PUVA-CSP from C57BL/6 mice), in the absence of an immunosuppressant, significantly promotes skin allograft survival. This effect was associated with upregulation of circulating regulatory B cells exhibiting preferential IL-10 secretion and a shift of cytokine profile from helper T cell type 1 to helper T cell type 2. Our results suggest that effective treatments involving infusion of PUVA-SP is likely related not only to the modulation of T cell and regulatory T cell functions but also to the function of B cell and regulatory B cells.
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Ishii M, Miyachi K, Cheng B, Sun B. 618 Aging-associated decline of epidermal PSMD8 contributes to impaired skin function. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Swann E, Sun B, Cleland DM, Barnard AS. Representing molecular and materials data for unsupervised machine learning. MOLECULAR SIMULATION 2018. [DOI: 10.1080/08927022.2018.1450982] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Zhang Y, Han B, Sun B, Yu K, Chu T, Qian J, Chang Q. 92P Expression of TNFRII in serum is correlated with the significant risk of subcentimeter lung adenocarcinoma. J Thorac Oncol 2018. [DOI: 10.1016/s1556-0864(18)30367-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ma ZJ, Hu SL, Wang SS, Guo X, Zhang XN, Sun B, Chen LM. [Effects and underlying mechanism of berberine on renal tubulointerstitial injury in diabetic rats]. ZHONGHUA YI XUE ZA ZHI 2018; 96:3072-3077. [PMID: 27784448 DOI: 10.3760/cma.j.issn.0376-2491.2016.38.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the effect of Berberine on renal tubulointerstitial injury and its potential mechanism in rats with type 2 diabetes mellitus (T2DM). Methods: Thirty Sprague-Dawley rats were randomly divided into 3 groups: normal control rats (NC group), diabetic rats without drug treatment (DM group), diabetic rats treated with Berberine (BBR group) for 8 weeks. At the end of the study, blood and urine samples were collected for biochemical examination, and tubulointerstitial fibrosis was quantified by Hematoxylin and Eosin (HE) and Masson staining. The expressions of E-cadherin (E-cad), α-smooth muscle actin (α-SMA), nuclear factor-κB (NF-κB) and monocyte chemoattractant protein 1 (MCP-1) were detected by immunohistochemistry analysis, real-time polymerase chain reaction (RT-PCR) and Western blot analysis. Results: 24 h urinary microalbumin (mAlb)[(170.5±58.1) vs (253.7±53.0) mg]and urinary N-acetyl-glucosaminidase (NAG)[(33.5±7.2) vs (49.5±9.3)U/L]in diabetic rats were significantly decreased by BBR treatment(both P<0.05). The apparent renal tubulointerstitial injury was found in the DM group, which was ameliorated by BBR treatment. The expression of α-SMA, NF-κB and MCP-1 were significantly decreased, accompanied by increased expression of E-cad in BBR-treated DM rats (all P<0.05). Conclusion: BBR could ameliorate renal tubulointerstitial injury in diabetic rats, the mechanism of which may be associated with the amelioration of epithelial-mesenchymal transition (EMT) through suppressing the expression of the NF-κB and MCP-1.
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Lyu XJ, Li L, Kong R, Sun B. [Research advances in anatomical study on the diffusion routs of acute pancreatitis]. ZHONGHUA WAI KE ZA ZHI [CHINESE JOURNAL OF SURGERY] 2018. [PMID: 29534421 DOI: 10.3760/cma.j.issn.0529-5815.2018.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The retroperitoneum space comprises anterior pararenal space, perirenal space and posterior pararenal space. Pancreas is a retroperitoneal organ and located in the anterior pararenal space of the retroperitoneum. Left and right sides anterior pararenal space are potentially communicated, which contains many adipose tissues and a little connective tissues. The exacerbation of acute pancreatitis results in the lesion spreading into adjacent area of pancreas in the retroperitoneal space. In addition, the lesion could spread into bare area of stomach, posterior colonic region, subperitoneal space and pelvic retroperitoneal space through the same anatomical space or communicating space. Due to the fascia destruction by pancreatic enzymes or the lesion directly diffuse through the weak fascia, the lesion could also diffuse across fascia to perirenal space, posterior pararenal space, the peritoneal cavity and abdominal wall. Finally, a series of complications are developed. The diffusion paths of acute pancreatitis are complex and diverse. Familiarity with these diffusion paths is useful for determining the severity and guiding therapy.
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Sun B, Guo B, Wu B, Kang J, Deng X, Zhang Z, Fan Y. Characteristics, management, and outcome of primary hyperparathyroidism at a single clinical center from 2005 to 2016. Osteoporos Int 2018; 29:635-642. [PMID: 29198075 DOI: 10.1007/s00198-017-4322-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 11/17/2017] [Indexed: 10/18/2022]
Abstract
UNLABELLED This study presents the clinical and biochemical profiles of patients with PHPT between 2005 and 2016 at our center. Most PHPT patients in China show symptomatic features. The number of symptomatic and asymptomatic patients increased during that time, and the number of individuals with parathyroid carcinoma is now increasing. INTRODUCTION Over the last decade, the prevalence of primary hyperparathyroidism (PHPT) has increased sharply, and the number of individuals with parathyroid cancer is still trending upward. Little is known about the clinical outlook of the disease over the last decade in China. The aim of this study was to describe the clinical characteristics of PHPT patients at our center from January 2005 to December 2016. METHODS Two hundred sixty patients with PHPT visiting Shanghai Jiao Tong University Affiliated Sixth People's Hospital were enrolled retrospectively. The clinical manifestations and biochemical abnormalities of these patients were analyzed. RESULTS Among all patients, 73.1% had symptomatic PHPT, while the number of symptomatic and asymptomatic patients increased 1 to 2.5 times and 1.5 to 3 times, respectively, from 2005 to 2016. Bone pain and single adenoma were the most frequent signs and pathological results. The patients with parathyroid carcinoma over the last 5 years accounted for 90% (9/10) of all parathyroid carcinoma patients from 2005 to 2016, and parathyroid carcinoma patients had higher levels of serum calcium, parathyroid hormone (PTH), and serum creatinine (P < 0.05) than parathyroid hyperplasia and parathyroid adenoma patients. CONCLUSIONS Most patients with PHPT in China still exhibit classic clinical and biochemical features. Both symptomatic and asymptomatic patients have increased over the last 12 years. Although the proportion of parathyroid carcinoma was small, a noticeable upward tendency was observed at our center.
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Cheng L, Sun B, Xiong Y, Hu L, Gao L, Lv Q, Zhou M, Li J, Chen X, Zhang W, Zhou HH. The minor alleles HCP5 rs3099844 A and PSORS1C1 rs3131003 G are associated with allopurinol-induced severe cutaneous adverse reactions in Han Chinese: a multicentre retrospective case-control clinical study. Br J Dermatol 2018; 178:e191-e193. [PMID: 29193002 DOI: 10.1111/bjd.16151] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Liu C, Xie Y, Sun B, Geng F, Zhang F, Guo Q, Wu H, Yu B, Wu J, Yu X, Kong W, Zhang H. MUC1- and Survivin-based DNA Vaccine Combining Immunoadjuvants CpG and interleukin-2 in a Bicistronic Expression Plasmid Generates Specific Immune Responses and Antitumour Effects in a Murine Colorectal Carcinoma Model. Scand J Immunol 2018; 87:63-72. [PMID: 29193199 DOI: 10.1111/sji.12633] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 11/16/2017] [Indexed: 12/30/2022]
Abstract
DNA vaccination is a promising cancer treatment due to its safety, but poor immunogenicity limits its application. However, immunoadjuvants, heterogeneous prime-boost strategies and combination with conventional treatments can be used to improve the antitumour immune effects. A CpG motif and interleukin-2 (IL-2) cytokine are often used as adjuvants. In this study, a DNA vaccine containing a CpG motif was constructed to evaluate its adjuvant effect. The results show that the cytotoxicity of the DNA vaccine was increased fivefold, and survival lifetime was prolonged twofold by the CpG motif adjuvant. To simplify the industrial production process, a bicistronic plasmid was constructed to carry the fusion genes of survivin/MUC1 (MS) and IL-2 and with a CpG motif in its backbone. The results showed that the antitumour effect of the bicistronic vaccine was the same as that of the two vaccine co-injected regime. Furthermore, the vaccine could suppress metastatic tumour foci by 69.1% in colorectal carcinoma-bearing mice. Moreover, the vaccine induced survivin- and MUC1-specific immune responses in splenocytes and induced the immune promoting factor CCL-19 and GM-CSF upregulated, while metastatic-associated factor MMP-9 and immunosuppressing factor PD-L1 downregulated in tumour tissue. When combining the vaccine with the chemotherapy drug oxaliplatin, the survival was prolonged by about 2.5-fold. In conclusion, the DNA vaccine containing a CpG motif in bicistronic form showed good effects on colorectal cancer by inhibiting both tumour growth and metastasis, and combination with oxaliplatin could improve its antitumour effects.
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Sun B, Fiskus W, Qian Y, Rajapakshe K, Raina K, Coleman KG, Crew AP, Shen A, Saenz DT, Mill CP, Nowak AJ, Jain N, Zhang L, Wang M, Khoury JD, Coarfa C, Crews CM, Bhalla KN. BET protein proteolysis targeting chimera (PROTAC) exerts potent lethal activity against mantle cell lymphoma cells. Leukemia 2018; 32:343-352. [PMID: 28663582 DOI: 10.1038/leu.2017.207] [Citation(s) in RCA: 113] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 06/12/2017] [Accepted: 06/19/2017] [Indexed: 11/09/2022]
Abstract
Bromodomain extraterminal protein (BETP) inhibitors transcriptionally repress oncoproteins and nuclear factor-κB (NF-κB) target genes that undermines the growth and survival of mantle cell lymphoma (MCL) cells. However, BET bromodomain inhibitor (BETi) treatment causes accumulation of BETPs, associated with reversible binding and incomplete inhibition of BRD4 that potentially compromises the activity of BETi in MCL cells. Unlike BETi, BET-PROTACs (proteolysis-targeting chimera) ARV-825 and ARV-771 (Arvinas, Inc.) recruit and utilize an E3-ubiquitin ligase to effectively degrade BETPs in MCL cells. BET-PROTACs induce more apoptosis than BETi of MCL cells, including those resistant to ibrutinib. BET-PROTAC treatment induced more perturbations in the mRNA and protein expressions than BETi, with depletion of c-Myc, CDK4, cyclin D1 and the NF-κB transcriptional targets Bcl-xL, XIAP and BTK, while inducing the levels of HEXIM1, NOXA and CDKN1A/p21. Treatment with ARV-771, which possesses superior pharmacological properties compared with ARV-825, inhibited the in vivo growth and induced greater survival improvement than the BETi OTX015 of immune-depleted mice engrafted with MCL cells. Cotreatment of ARV-771 with ibrutinib or the BCL2 antagonist venetoclax or CDK4/6 inhibitor palbociclib synergistically induced apoptosis of MCL cells. These studies highlight promising and superior preclinical activity of BET-PROTAC than BETi, requiring further in vivo evaluation of BET-PROTAC as a therapy for ibrutinib-sensitive or -resistant MCL.
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141
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Clements JS, Islam R, Sun B, Tong F, Gross AD, Bloomquist JR, Carlier PR. N'-mono- and N, N'-diacyl derivatives of benzyl and arylhydrazines as contact insecticides against adult Anopheles gambiae. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2017; 143:33-38. [PMID: 29183608 DOI: 10.1016/j.pestbp.2017.10.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 09/21/2017] [Accepted: 10/04/2017] [Indexed: 06/07/2023]
Abstract
New public health insecticides are urgently required to prevent the spread of vector-borne disease. With the goal of identifying new K+-channel-directed mosquitocides, analogs of the RH-5849 family of diacyl t-butylhydrazines were synthesized and tested for topical toxicity against adult Anopheles gambiae, the African vector of malaria. In total, 80N'-monoacyl and N, N'-diacyl derivatives of benzyl- and arylhydrazines were prepared. Three compounds (2bo, 2kb, 3ab) were identified that were more toxic than RH-5849 and RH-1266. The potencies of these compounds to block K+ currents in An. gambiae and human Kv2.1 channels were assessed to address their possible mechanism of mosquitocidal action. Selectivity for inhibition of An. gambiae Kv2.1 vs human Kv2.1 did not exceed 3-fold. Furthermore, no correlation was seen between the potency of insecticidal action and K+ channel blocking potency. These observations, combined with the minimal knockdown seen with 2bo near its LD50 value, suggests a mode of action outside of the nervous system.
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142
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Bai C, Pan Y, Wang D, Cai F, Yan S, Zhao Z, Sun B. Genome-wide association analysis of residual feed intake in Junmu No. 1 White pigs. Anim Genet 2017; 48:686-690. [PMID: 29076177 DOI: 10.1111/age.12609] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/24/2017] [Indexed: 11/28/2022]
Abstract
Residual feed intake (RFI) is a measure of feed efficiency. Pigs with low RFI have reduced feed costs without compromising their growth. For marker-assisted selection, it is helpful to identify genes or genetic markers associated with RFI in animals with improved feed efficiency at an early age. Using Illumina's PorcineSNP60 BeadChip, we performed a pilot genome-wide association study of 217 Junmu No. 1 white male pigs phenotyped for RFI. Two-step and one-step methods were used separately to identify associated SNPs. Both methods obtained similar results. Twelve SNPs were identified as significantly associated with RFI at a Bonferroni adjusted P-level < 9.7 × 10-7 , and 204 were found to have suggestive (moderately significant) association with RFI at P < 5 × 10-5 . NMBR, KCTD16, ASGR1, PRKCQ, PITRM1, TIAM1 and RND3 were identified as candidate genes for RFI.
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143
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Sun J, Sun B, Gao Y, He F, Yang L, Wang M, Zhou W. Composition and Variation Analysis of the T Cell Receptor β-Chain Complementarity Determining Region 3 Repertoire in Neonatal Sepsis. Scand J Immunol 2017; 86:418-423. [PMID: 28891256 DOI: 10.1111/sji.12614] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 09/04/2017] [Indexed: 12/19/2022]
Abstract
T cell receptor (TCR) diversity is clearly related to protection from infection. However, the characteristics of TCR diversity in neonates are not clear. In this study, we investigated the TCR diversity of neonates with sepsis. Twenty neonates with severe sepsis and eight matched neonates without infection were enrolled in the study. For the neonates with sepsis, EDTA-anticoagulated blood was collected on day 1 after the diagnosis of sepsis and on day 7 of treatment. For the neonates without infection, blood was collected one time. DNA was extracted from peripheral blood mononuclear cells. The complementarity determining region 3 (CDR3) gene was analysed by multiplex PCR and high-throughput sequencing. The CDR3 types and lengths were similar in patients and healthy controls. There was a significant difference in VJ gene usage among the three groups. Compared to the healthy neonates, the neonates with sepsis had different VJ pairs and generated different clonotypes. Although the TCR β-chain diversity was generally lower in the neonates with sepsis, there was no significant difference in TCR β-chain diversity between the patients and the healthy controls. Our data showed the characteristics of the TCR repertoire in neonates with sepsis, which represents a potentially valuable data set. This result is useful for understanding neonatal susceptibility to infection.
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144
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Sun B, Gibson T, Weiss R. 72 Predictors of Serious Outcomes After Syncope: A Systematic Review and Meta-Analysis. Ann Emerg Med 2017. [DOI: 10.1016/j.annemergmed.2017.07.097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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145
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Kea B, Lin A, Fu R, Olshansky B, Raitt M, Lip G, Sun B. 106 Stroke Prophylaxis and 30-Day Clinical Outcomes After US Emergency Department Diagnosis and Discharge for Atrial Fibrillation. Ann Emerg Med 2017. [DOI: 10.1016/j.annemergmed.2017.07.132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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146
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Sun B, Brooks E, Komaki R, Liao Z, Jeter M, McAleer M, Allen P, Balter P, Welsh J, O'Reilly M, Gomez D, Hahn S, Roth J, Mehran R, Heymach J, Chang J. 7-year Follow-Up Outcomes After Stereotactic Ablation Radiation Therapy for Stage I NSCLC: Results of a Phase 2 Clinical Trial. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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147
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Sun J, Li DM, Huang J, Liu J, Sun B, Fu DL, Mao GS. The correlation between the expression of ADAM17, EGFR and Ki-67 in malignant gliomas. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2017; 21:4595-4599. [PMID: 29131255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
OBJECTIVE The aim of this study was to analyze the depolymerization in metalloproteinase (ADAM17), epidermal growth factor receptor (EGFR), the expression of Ki-67 of glioma patients and the correlations with malignancy. PATIENTS AND METHODS 53 brain glioma samples resected from patients who had surgery from April 2015 to May 2016 at Chinese People's Armed Police Force General Hospital were selected. According to the degree of malignancy: 22 patients were divided into a deterioration group (stage I to II); 31 patients in highly deteriorated group (stage III to IV); 14 brain tissue samples of traumatic decompression from the hospital as control group. The immunohistochemical method was used to detect the expression of ADAM17, EGFR, and Ki-67 in three groups, and the correlation between the expression of ADAM17, EGFR, and Ki-67. Thus, the stages of malignancy were analyzed. RESULTS ADAM17, EGFR, and Ki-67 had no expression or weak expression in the control group, and increased in the low stage of deterioration group; the differences were statistically significant (p < 0.05). The positive expression rates of ADAM17, EGFR, and KI-67 were significantly higher in the high deterioration group than that in the control group (p < 0.05). Moreover, the analysis showed that the expression of ADAM17, EGFR, and Ki-67 were positively correlated with the stage of malignancy (R = 0.823, p = 0.000; R = 0.804, p = 0.000; R = 0.811, p = 0.000). CONCLUSIONS The results suggested that there was a significant positive correlation between ADAM17, EGFR, and Ki-67 with the stage of malignancy.
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Huang Z, Sun B, Wu S, Meng X, Cong Y, Shen G, Song S. A Nomogram for Predicting Survival in Patients With Breast Cancer Brain Metastasis. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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149
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Sun B, Lupulescu-Mann N, Charlesworth C, Kim H, Hartung D, Deyo R, McConnell K. 231 Does Prescription Opioid Shopping Increase Mortality and Overdose Rates? Ann Emerg Med 2017. [DOI: 10.1016/j.annemergmed.2017.07.453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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150
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Contreras J, Chundury A, Reynoso F, Zhao T, Sun B, Roach M, Robinson C, Bradley J. Proton Therapy Reirradiation for Thoracic Recurrences: Toxicity and Outcomes. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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