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Yorke E, Ojo A, Kuo L, Jackson A, Wu A, Yan M, Rimner A. Dosimetric Predictors of Radiation Pneumonitis After Hemithoracic Pleural Intensity Modulated Radiation Treatment. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Cao W, Wu W, Yan M, Tian F, Liu HS, Wang JW, Zhang QW, Li YJ, Li M. [Multiregion sequencing reveals intratumor heterogeneity in esophageal squamous cell carcinoma]. ZHONGHUA ZHONG LIU ZA ZHI [CHINESE JOURNAL OF ONCOLOGY] 2016; 38:660-6. [PMID: 27647397 DOI: 10.3760/cma.j.issn.0253-3766.2016.09.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To study the intratumor heterogeneity of esophageal squamous cell carcinoma (ESCC). METHODS We used whole-exome sequencing and array-based comparative genomic hybridization to profile mutations and changes in copy number from 11 regions within 2 cases of ESCC and from the metastatic lymph nodes. RESULTS The numbers of somatic single nuclear polymorphisms (SNPs) in 4 regions within the tumors in case 1 and case 2 were 93±17 and 124±28, respectively. The majority of SNPs were non synonymous mutations, synonymous mutations, nonsense mutations and splicing junction mutations. The average indels in the 4 tumor regions of case 1 and case 2 were 40±6 and 51±3, respectively. These small indels mainly occurred in exonic (frame-shift and non-frame-shift), untranslational regions of genes and splicing junction regions. All regions from a tumor exhibitedo bvious heterogeneity, and mutational similarity of all four regions within a tumor was less than 25%. Furthermore, gene copy number alteration (gain or loss) varied among multiple regions of a tumor, and the similarity of gene copy number was less than 20%. Phylogenetic analysis of the somatic mutation frequency suggests that multiple, genomic heterogeneous clones co-exist within a primary ESCC, and metastatic subclones may evolve from the primary non-metastatic parental clone. These results indicated that a single-region sampling can not reflect the architecture of the genomic landscape of mutations in ESCC tumors. CONCLUSIONS Sequence analysis of whole genome exon in multiple regions can provide strong evidence for genomic heterogeneity in esophageal squamous cell carcinoma.
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Wagner PD, Simonson TS, Wei G, Wagner HE, Wuren T, Qin G, Yan M, Ge RL. Sea-level haemoglobin concentration is associated with greater exercise capacity in Tibetan males at 4200 m. Exp Physiol 2016; 100:1256-62. [PMID: 26454003 DOI: 10.1113/ep085036] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Accepted: 10/06/2015] [Indexed: 12/11/2022]
Abstract
NEW FINDINGS What is the topic of this review? Recent developments link relatively lower hemoglobin concentration in Tibetans at high altitude to exercise capacity and components of oxygen transport. What advances does it highlight? Haemoglobin concentration (ranging from 15.2 to 22.9 g dl(-1) ) in Tibetan males was negatively associated with peak oxygen (O2 ) uptake per kilogram, cardiac output and muscle O2 diffusion conductance. Most variance in the peak O2 uptake per kilogram of Tibetan males was attributed to cardiac output, muscle diffusional conductance and arterial partial pressure of CO2 . The mechanisms underlying these differences in oxygen transport in Tibetans require additional analyses. Despite residence at >4000 m above sea level, many Tibetan highlanders, unlike Andean counterparts and lowlanders at altitude, exhibit haemoglobin concentration ([Hb]) within the typical sea-level range. Genetic adaptations in Tibetans are associated with this relatively low [Hb], yet the functional relevance of the lower [Hb] remains unknown. To address this, we examined each major step of the oxygen transport cascade [ventilation (VE), cardiac output (QT) and diffusional conductance in lung (DL) and muscle (DM)] in Tibetan males at maximal exercise on a cycle ergometer. Ranging from 15.2 to 22.9 g dl(-1) , [Hb] was negatively associated with peak O2 uptake per kilogram (r = -0.45, P < 0.05) and both cardiac output (QT/kg: r = -0.54, P < 0.02) and muscle O2 diffusion conductance (DM/kg: r = -0.44, P < 0.05) but not ventilation, arterial partial pressure of O2 or pulmonary diffusing capacity. Most variance in peak O2 uptake per kilogram was attributed to QT, DM and arterial partial pressure of CO2 (r(2) = 0.90). In summary, lack of polycythaemia in Tibetans is associated with increased exercise capacity, which is explained by elevated cardiac, muscle and, to a small extent, ventilatory responses rather than pulmonary gas exchange. Whether lower [Hb] is the cause or result of these changes in O2 transport or is causally unrelated will require additional study.
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Lam K, Muselman A, Du R, Yan M, Matsuura S, Zhang DE. Loss of RUNX1 function results in enhanced granulocyte-colony-stimulating factor-mediated mobilization. Blood Cancer J 2016; 6:e407. [PMID: 27015284 PMCID: PMC4817102 DOI: 10.1038/bcj.2016.20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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Zhao T, Sun S, Zhang H, Huang X, Yan M, Dong X, Wen Y, Wang H, Lan HY, Li P. Therapeutic Effects of Tangshen Formula on Diabetic Nephropathy in Rats. PLoS One 2016; 11:e0147693. [PMID: 26807792 PMCID: PMC4726711 DOI: 10.1371/journal.pone.0147693] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 01/07/2016] [Indexed: 01/08/2023] Open
Abstract
Objective Inflammation and fibrosis are essential promoters in the pathogenesis of diabetic nephropathy (DN) in type 2 diabetes. The present study examined the anti-inflammation and anti-fibrosis effect of Tangshen Formula (TSF), a traditional Chinese medicine, on DN. Research Design and Methods Protective role of TSF in DN was examined in a rat model of type 2 DN that was established by high-fat diet-fed and low-dose-streptozotocin injection. TSF was suspended in 0.5% CMC-Na solution and delivered by oral gavage at a dosage of 1.67g/Kg body weight/day. The therapeutic effects and mechanisms of TSF on diabetic kidney injury were examined. Results We found that TSF treatment for 20 weeks attenuated DN by significantly inhibiting urinary excretion of albumin and renal histological injuries. These beneficial effects were associated with an inactivation of NF-κB signaling, thereby blocking the upregulation of pro-inflammatory cytokines (IL-1β, TNFα), chemokine (MCP-1), and macrophage infiltration in the TSF-treated rats with type 2 DN. In addition, TSF treatment also inactivated TGF-β/Smad3 signaling and therefore suppressed renal fibrosis including expressions of fibronectin, collagen I, and collagen IV. Further studies revealed that the inhibitory effect of TSF on TGF-β/Smad3 and NF-κB signaling in DN was associated with inhibition of Smurf2-dependent ubiquitin degradation of Smad7. Conclusions The present study reveals that TSF has therapeutic potential for type 2 DN in rats. Blockade of NF-κB-driven renal inflammation and TGF-β/Smad3-mediated renal fibrosis by preventing the Smurf2-mediated Smad7 degradation pathway may be mechanisms through which TSF inhibits type 2 DN.
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Yan M, Wang X, Deng J, Wang L, Cui Z, Deng J, Shi Z. DNA methylation and cerebellar development, the regulation of Notch and Shh pathway. ACTA ACUST UNITED AC 2016. [DOI: 10.1080/11250003.2015.1126651] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Liu T, Yu Y, Sun Y, Yan M, Cao H, Liu Y, Wang X, Shen Z, Liu F, Wang Y, Feng Y. 229TiP A single arm, open-label, multicenter, phase II trial of oxaliplatin plus capecitabine (XELOX) in the perioperative treatment of locally advanced gastric adenocarcinoma in combination with D2 gastrectomy (NEO-CLASSIC). Ann Oncol 2015. [DOI: 10.1093/annonc/mdv523.90] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Cao W, Wu W, Yan M, Tian F, Ma C, Zhang Q, Li X, Han P, Liu Z, Gu J, Biddle FG. Multiple region whole-exome sequencing reveals dramatically evolving intratumor genomic heterogeneity in esophageal squamous cell carcinoma. Oncogenesis 2015; 4:e175. [PMID: 26619400 PMCID: PMC4670960 DOI: 10.1038/oncsis.2015.34] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Revised: 10/02/2015] [Accepted: 10/08/2015] [Indexed: 12/13/2022] Open
Abstract
Cancer is a disease of genome instability and genomic alterations; now, genomic heterogeneity is rapidly emerging as a defining feature of cancer, both within and between tumors. Motivation for our pilot study of tumor heterogeneity in esophageal squamous cell carcinoma (ESCC) is that it is not well studied, but the highest incidences of esophageal cancers are found in China and ESCC is the most common type. We profiled the mutations and changes in copy number that were identified by whole-exome sequencing and array-based comparative genomic hybridization in multiple regions within an ESCC from two patients. The average mutational heterogeneity rate was 90% in all regions of the individual tumors in each patient; most somatic point mutations were nonsynonymous substitutions, small Indels occurred in untranslated regions of genes, and copy number alterations varied among multiple regions of a tumor. Independent Sanger sequencing technology confirmed selected gene mutations with more than 88% concordance. Phylogenetic analysis of the somatic mutation frequency demonstrated that multiple, genomically heterogeneous divergent clones evolve and co-exist within a primary ESCC and metastatic subclones result from the dispersal and adaptation of an initially non-metastatic parental clone. Therefore, a single-region sampling will not reflect the evolving architecture of a genomically heterogeneous landscape of mutations in ESCC tumors and the divergent complexity of this genomic heterogeneity among patients will complicate any promise of a simple genetic or epigenetic diagnostic signature in ESCC. We conclude that any potential for informative biomarker discovery in ESCC and targeted personalized therapies will require a deeper understanding of the functional biology of the ontogeny and phylogeny of the tumor heterogeneity.
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Zhang J, Yan M, Cheng R, Ni C, Liang J, Li M, Yao Z. A rare RECQL4 indel mutation in a Chinese patient with Rothmund-Thomson syndrome. J Eur Acad Dermatol Venereol 2015; 30:e159-e161. [PMID: 26515231 DOI: 10.1111/jdv.13466] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Zhou XL, Zhang CJ, Wang Y, Wang M, Sun LH, Yu LN, Cao JL, Yan M. EphrinB–EphB signaling regulates spinal pain processing via PKCγ. Neuroscience 2015; 307:64-72. [DOI: 10.1016/j.neuroscience.2015.08.048] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 08/02/2015] [Accepted: 08/20/2015] [Indexed: 01/30/2023]
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Tang C, Liu J, Yan M, Zhu S, Dong Z. PINK1 and Parkin Deletion Exacerbate Ischemia-Reperfusion Induced Kidney Injury. Int J Organ Transplant Med 2015. [DOI: 10.1016/j.hkjn.2015.09.079] [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] Open
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Jiang ZH, Dong XW, Shen YC, Qian HL, Yan M, Yu ZH, He HB, Lu CD, Qiu F. DNA damage regulates ARID1A stability via SCF ubiquitin ligase in gastric cancer cells. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2015; 19:3194-3200. [PMID: 26400522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
OBJECTIVE The gene product of the AT-rich interactive domain 1A (SWI-like) gene (ARID1A) is a member of the SWI/SNF adenosine triphosphate-dependent chromatin-remodeling complexes, which plays an essential role in controlling gene expression and is also involved in cancer development. ARID1A is frequently mutated in a wild variety of cancers and function as a tumor suppressor in several kinds of cancers. ARID1A was down-regulated in gastric cancer, and associated poor patient prognosis. However, how ARID1A protein is regulated in gastric cancer remains largely unknown. MATERIALS AND METHODS Here, we show that ARID1A protein is rapidly ubiquitinated and degradated in gastric cancer cells in response to DNA damage treatment. RESULTS Using genetic and pharmacologic Cullin inactivation coupled with in vitro ubiquitination assay, we demonstrate that ARID1A is a substrate of the Cullin-SKP1-F-box protein (SCF) complexes. Moreover, gastric cancer cells with forced expression of ARID1A showed an increased sensitivity to DNA damage reagents. Thus, our data uncovered a previous unknown posttranscriptional regulation of ARID1A by SCF E3 ligase in gastric cancer cells in DNA damage response. CONCLUSIONS These findings suggest ARID1A might be a promising drug target in gastric cancer treatment.
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Zhou X, Zhang C, Wang M, Yu L, Yan M. Dezocine for Preventing Postoperative Pain: A Meta-Analysis of Randomized Controlled Trials. PLoS One 2015; 10:e0136091. [PMID: 26287536 PMCID: PMC4545891 DOI: 10.1371/journal.pone.0136091] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Accepted: 07/29/2015] [Indexed: 11/19/2022] Open
Abstract
Background Dezocine is considered to be an alternative medication for managing postoperative pain. The aim of this study was to assess the efficacy and safety of this drug in this regard. Methods Medline, EMBASE and the Cochrane Central Register of Control Trials (CENTRAL) were searched to identify all randomized controlled trials (RCTs) that compare dezocine with placebo or dezocine with morphine on postoperative pain. The data were extracted and pooled using Mantel-Haenszel random effects model. Heterogeneity was tested using the I2 statistic with values >50% and Chi2 test with P ≤ 0.05 indicating obvious heterogeneity between the studies. Results Seven trials evaluating 665 patients were included. The number of patients with at least 50% pain relief was increased (N = 234; RR 3.04, 95% CI 2.27 to 4.08) and physician (N = 465; RR 2.84, 95% CI 1.66 to 4.84) and patient satisfaction (N = 390; RR 2.81, 95% CI 1.85 to 4.26) were improved following the administration of dezocine compared with the placebo. The effects of dezocine were similar to those of morphine in terms of the number of patients reporting at least 50% pain relief within 2–6 h after surgery (N = 235; RR 1.29, 95% CI 1.15 to 1.46) and physician (N = 234; RR 1.18, 95% CI 0.93 to 1.49) and patient (N = 158; RR 1.33, 95% CI 0.93 to 1.92) satisfaction. While, the number of patients with at least 50% pain relief within 0–1 h after surgery increased following dezocine compared with morphine treatment (N = 79; RR 1.45, 95% CI 1.18 to 1.77). There was no difference in the incidence of postoperative nausea and vomiting (PONV) following dezocine treatment compared with the placebo (N = 391; RR 1.06, 95% CI 0.42 to 2.68) or morphine treatment (N = 235; RR 0.65, 95% CI 0.14 to 2.93). Conclusion Dezocine is a promising analgesic for preventing postoperative pain, but further studies are required to evaluate its safety.
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Wen Y, Huo S, Zhang W, Xing H, Qi L, Zhao D, Li N, Xu J, Yan M, Chen X. Pharmacokinetics, Biodistribution, Excretion and Plasma Protein Binding Studies of Acteoside in Rats. Drug Res (Stuttg) 2015; 66:148-53. [PMID: 26241371 DOI: 10.1055/s-0035-1555896] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Acteoside is a representative phenylethanoid glycoside, exhibiting great potency in neurodegenerative diseases treatment, such as Alzheimer's disease. This study was aimed to explore the pharmacokinetic characteristics, tissue distribution, excretion and plasma protein binding of acteoside in Sprague-Dawley rats after oral administration at 20, 40 and 80 mg/kg by a validated LC-MS/MS method. Acteoside was absorbed quickly after oral administration at 3 dose levels. Acteoside reached the peak concentration at 0.29±0.17 h, exhibiting a maximum concentration (Cmax) of 312.54±44.43 ng/mL after oral administration at 40 mg/kg, and the elimination half-life was 1.05±0.23 h. Both the Cmax and AUC showed a linear increase with the oral doses administered. The absolute bioavailability of acteoside was only around 1%. After oral administration, acteoside was extensively and rapidly distributed in most tissues including brain, but little amount of acteoside was excreted in urine, bile or feces. And the rat plasma protein binding ratio with equilibrium dialysis was about 60%. The pharmacokinetic characteristics of the fast gastro-intestinal absorption, the noteworthy distribution in most tissues including brain, the absence of acteoside in urine, bile and feces and valuable plasma protein binding ratio in rats will provide important reference for further research.
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Zhang Y, Yan M, Gao P, Jiang J, Zhang G, Li J, Shuang S. Immobilization of uricase-gold nanoparticles composite nanomaterial on a biofilm and its application to determination of uric acid. APPL BIOCHEM MICRO+ 2015. [DOI: 10.1134/s0003683815040171] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Simonson TS, Wei G, Wagner HE, Wuren T, Qin G, Yan M, Wagner PD, Ge RL. Low haemoglobin concentration in Tibetan males is associated with greater high-altitude exercise capacity. J Physiol 2015; 593:3207-18. [PMID: 25988759 DOI: 10.1113/jp270518] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Accepted: 05/05/2015] [Indexed: 12/31/2022] Open
Abstract
Tibetans living at high altitude have adapted genetically such that many display a low erythropoietic response, resulting in near sea-level haemoglobin (Hb) concentration. We hypothesized that absence of the erythropoietic response would be associated with greater exercise capacity compared to those with high [Hb] as a result of beneficial changes in oxygen transport. We measured, in 21 Tibetan males with [Hb] ranging from 15.2 g dl(-1) to 22.9 g dl(-1) (9.4 mmol l(-1) to 14.2 mmol l(-1) ), [Hb], ventilation, volumes of O2 and CO2 utilized at peak exercise (V̇O2 and V̇CO2), heart rate, cardiac output and arterial blood gas variables at peak exercise on a cycle ergometer at ∼4200 m. Lung and muscle O2 diffusional conductances were computed from these measurements. [Hb] was related (negatively) to V̇O2 kg(-1) (r = -0.45, P< 0.05), cardiac output kg(-1) (QT kg(-1) , r = -0.54, P < 0.02), and O2 diffusion capacity in muscle (DM kg(-1) , r = -0.44, P<0.05), but was unrelated to ventilation, arterial partial pressure of O2 (PaO2) or pulmonary diffusing capacity. Using multiple linear regression, variance in peak V̇O2 kg(-1) was primarily attributed to QT, DM, and PCO2 (R(2) = 0.88). However, variance in pulmonary gas exchange played essentially no role in determining peak V̇O2. These results (1) show higher exercise capacity in Tibetans without the erythropoietic response, supported mostly by cardiac and muscle O2 transport capacity and ventilation rather than pulmonary adaptations, and (2) support the emerging hypothesis that the polycythaemia of altitude, normally a beneficial response to low cellular PO2, may become maladaptive if excessively elevated under chronic hypoxia. The cause and effect relationships among [Hb], QT, DM, and PCO2 remain to be elucidated.
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Li W, Chen FQ, Yin XC, Qu JP, Yan M. Thermal and Flexural Properties and Water Absorption of Caulis Spatholobi Residue Fiber Reinforced Biodegradable Poly(propylene carbonate) Composites. INT POLYM PROC 2015. [DOI: 10.3139/217.3027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
This paper investigated and compared the thermal and flexural properties and water absorption of natural caulis spatholobi residue fibers reinforced PPC/CSRF composites. Polypropylene carbonate (PPC) was reinforced by caulis spatholobi residue fibers (CSRF) which had been pretreated by continuous steam explosion. The effect of fiber content (10 to 60 wt%) on the properties and water absorption of PPC/CSRF biodegradable composites was investigated. The thermal properties of PPC/CSRF composites indicated that the addition of CSRF could improve the thermal stability of the composites. The flexural strength and modulus of the composites were found to be improved as the content of fiber increased. From the SEM micrographs, it was found that a small amount of fibers were pulled out on fractured surfaces of the composites, showing good network structure between the fiber and PPC matrix. The water absorption amount of the composites increased with increasing the fiber content. This paper demonstrates that the incorporation of low-cost and biodegradable caulis spatholobi residue fiber into PPC provides a practical way to produce completely biodegradable and cost-competitive composites with good mechanical properties.
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Song T, Yan M, Shi Z, Atrens A, Qian M. Creation of bimodal porous copper materials by an annealing-electrochemical dealloying approach. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.02.217] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Zhou XL, Wang Y, Zhang CJ, Yu LN, Cao JL, Yan M. COX-2 is required for the modulation of spinal nociceptive information related to ephrinB/EphB signalling. Eur J Pain 2015; 19:1277-87. [PMID: 25919495 DOI: 10.1002/ejp.657] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/11/2014] [Indexed: 01/09/2023]
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Yu B, Zhao S, Hu D, Ambegaonakr BM, DYSIS-China Study Investigators, Jia Er BA, Guiwen C, Buxing C, Hong C, Jin C, Jing C, Liefeng C, Min C, Qiong C, Shaoliang C, Tielong C, Xiaofei C, Xiaohong C, You C, Guoli C, Mei C, Hongliang C, Qin C, Shiwei C, Yong C, Shudong D, Henghua D, Xiaomei D, Yirong D, Xiaoyan D, Birong D, Yumei D, Yugang D, Ping D, Lei D, Limei F, Ningyuan F, Lixia F, Lie F, Jun G, GeWeihong, Hongmin G, Minxia G, Qinghua H, Fengchang H, Dayi H, Lingzhi H, Xueqiang H, Yaojun H, Yiming H, Zhiping H, Fei H, Qi H, Dejia H, Gewen H, Hongman H, Liming H, Qiong H, Ruowen H, Taifu H, Bin J, Kai J, Hui J, Huigen J, Jinsong K, Bao L, Chengjiang L, Hongjuan L, Jun(Xinjiang) L, Jun(Jiangsu) L, Nanfang L, Qifu L, Qiang L, Xin L, Xueyou L, Yanbing L, Yanping L, Yansheng L, Yong L, Yuling L, Zhanquan L, Zhengfang L, Li L, Yongxue L, Zerong L, Yuhua L, Fan L, Hong L, Hui L, Minling L, Qiang L, Qingsong L, Shaokui L, Weidong L, Xueping L, Xinjian L, Benyan L, Shaonian L, Suxin L, Hong L, LvYun, Aiqun M, Jianhua M, Qiang M, Yan M, Changsheng M, Yide M, Yiming M, NieXiaoli, NiuXiaoyuan, Hongtao P, Mingkang P, Qiaoqing P, Huifen Q, Qiumin Q, Lijie Q, Liqun R, Jingshan S, Qiang S, Jing H, Xiuyun S, Yongquan S, Liangyi S, Zhi S, Zhiyuan S, Yufeng S, Chunyan T, TengXiaochun, Haoming T, Wenhua T, Qinwei T, TuQiuyun, Keying W, Aihong W, Chaohui W, Chunning W, Dezhao W, Guixia W, Hanqiao W, Jianan W, Jianjun W, Lan W, Xiaoming W, Yaping W, Yangwei W, Yongjun W, Meifang W, Yidong W, Hongyun W, Chun W, Dongmei W, Jiang W, Jun W, Xiaolin W, Zonggui W, XiGuangxia, Yi X, Qian X, Xiaoping X, Yulong X, Anding X, XueYuanming, Chuanzhu Y, Tao Y, Xiaowei Y, Gangyi Y, Jian Y, Wangpingm Y, Xiaosu Y, Xinchun Y, Yifang Y, Yu Y, Mingyu Y, Min Y, Ping Y, Bo Y, Jiangyi Y, Jinming Y, Yan Y, Ling Z, Longyi Z, Xiaoyun Z, Baorong Z, Bei Z, Chaoxin Z, Xuelian Z, Dadong Z, Dongping Z, Fuchun Z, Hong Z, Huifang Z, Liping Z, Liyang Z, Rufu Z, Saidan Z, Weijuan Z, Dong Z, Gang Z, Shuiping Z, Xiuxin Z, Qiangsun Z, Yang Z, Xiaohui Z, Yali Z, Yujie Z, Yi Z, Yulan Z, Xiangping Z. Gender differences in lipid goal attainment among Chinese patients with coronary heart disease: insights from the DYSlipidemia International Study of China. Eur Heart J Suppl 2015. [DOI: 10.1093/eurheartj/suv018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Hao N, Mu J, Hu N, Xu S, Yan M, Li Y, Guo K, Xu L. Improvement of l-citrulline production in Corynebacterium glutamicum by ornithine acetyltransferase. ACTA ACUST UNITED AC 2015; 42:307-13. [DOI: 10.1007/s10295-014-1561-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Accepted: 11/29/2014] [Indexed: 10/24/2022]
Abstract
Abstract
In this study, Corynebacterium glutamicum ATCC 13032 was engineered to produce l-citrulline through a metabolic engineering strategy. To prevent the flux away from l-citrulline and to increase the expression levels of genes involved in the citrulline biosynthesis pathway, the argininosuccinate synthase gene (argG) and the repressor gene (argR) were inactivated. The engineered C. glutamicum ATCC 13032 ∆argG ∆argR (CIT 2) produced higher amounts of l-citrulline (5.43 g/L) compared to the wildtype strain (0.15 g/L). To determine new strategies for further enhancement of l-citrulline production, the effect of l-citrulline on ornithine acetyltransferase (EC 2.3.1.35; OATase; ArgJ) was first investigated. Citrulline was determined to inhibit Ornithine acetyltransferase; for 50 % inhibition, citrulline concentration was 30 mM. The argJ gene from C. glutamicum ATCC 13032 was cloned, and the recombinant shuttle plasmid pXMJ19-argJ was constructed and expressed in C. glutamicum ATCC 13032 ∆argG ∆argR (CIT 2). Overexpression of the argJ gene exhibited increased OAT activity and resulted in a positive effect on citrulline production (8.51 g/L). These results indicate that OAT plays a vital role during l-citrulline production in C. glutamicum.
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Yu X, Pang H, Xu Z, Yan H, Xu L, Du J, Ma L, Yan M, Yao Y, Jiang J, Zhang B, Wang Z, Huang Y. Multicentre evaluation of perioperative red blood cells transfusions in China. Br J Anaesth 2015; 113:1055-6. [PMID: 25399437 DOI: 10.1093/bja/aeu392] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Song T, Yan M, Gao Y, Atrens A, Qian M. Concurrence of de-alloying and re-alloying in a ternary Al67Cu18Sn15 alloy and the fabrication of 3D nanoporous Cu–Sn composite structures. RSC Adv 2015. [DOI: 10.1039/c4ra15622f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The creation of nanoporous Cu3Sn–Cu–Cu6Sn5 composite structures in the form of self-supporting foils through the concurrence of de-alloying and re-alloying.
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Li J, Yan M, Zhang Y, Xie M, Yan L, Chen J. Serum neuron-specific enolase is elevated as a novel indicator of diabetic retinopathy including macular oedema. Diabet Med 2015; 32:102-7. [PMID: 25252158 DOI: 10.1111/dme.12597] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Revised: 07/13/2014] [Accepted: 09/11/2014] [Indexed: 01/05/2023]
Abstract
AIM Neuron-specific enolase as a potential biomarker of diabetic retinopathy, a neurovascular disease, had not been fully explored. We aimed to investigate the relationship between NSE and diabetic retinopathy. METHODS Participants included Type 1 and Type 2 diabetes patients and healthy controls (n = 392). In this cross-sectional study, diabetic retinopathy status was assessed by fundus photographs. Serum neuron-specific enolase was measured using an electrochemiluminescence immunoassay. Co-variables for diabetic retinopathy and neuron-specific enolase were obtained from fasting blood samples and interviewer questionnaires. RESULTS Neuron-specific enolase was slightly elevated in diabetic patients, in contrast to healthy participants, and obviously increased in diabetic patients with retinopathy compared with those without [8.3 (2.0) vs. 7.6 (1.5), P = 0.037 and 8.3 (2.0) vs. 9.5 (2.7), P = 0.004, respectively]. In addition, neuron-specific enolase levels increased with and were closely correlated to the stages of retinopathy without macular oedema [r = 0.60 (0.50-0.71), P = 0.002] and stages of macular oedema with comparable retinopathy [r = 0.58 (0.46-0.69), P = 0.006]. The association of neuron-specific enolase with diabetic retinopathy was independent [odds ration (OR): 1.31 (1.12-1.65), P = 0.017], after the diabetic state and other potential confounders affecting NSE levels were considered (e.g., HbA1c , duration, age, gender, renal status and medicines). The optimal cut-off point for serum neuron-specific enolase levels for differentiating between participants with diabetic retinopathy including macular oedema and those without was 9.3 μg/l, with a sensitivity of 67.5% and a specificity of 69.8%. CONCLUSIONS Serum neuron-specific enolase is elevated in and indicative of diabetic retinopathy. Neuron-specific enolase may be a potential biomarker of diabetic retinopathy. Future prospective studies are warranted to clarify the relationship.
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Hu C, Tong H, Cai G, Teboul J, Yan J, Lv X, Xu Q, Chen J, Rao Q, Yan M. Bioreactance-based passive leg raising test can predict fluid responsiveness in patients with sepsis. Crit Care 2015. [PMCID: PMC4471838 DOI: 10.1186/cc14257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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