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Deng Y, Wang G, Jiang Y, Lin Q, Zhu L, Jiang F. 0842 Objective Sleep In The First 2 YEARS Of Life: Cross-sectional And Longitudinal Association With Vitamin D. Sleep 2018. [DOI: 10.1093/sleep/zsy061.841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Yue ME, Lin Q, Xu J, Jiang TF. Ionic liquid-based headspace in-tube liquid-phase microextraction coupled with capillary electrophoresis for sensitive detection of phenols. Electrophoresis 2018; 39:1771-1776. [PMID: 29683521 DOI: 10.1002/elps.201800068] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 04/07/2018] [Accepted: 04/15/2018] [Indexed: 12/20/2022]
Abstract
An ionic liquid-based headspace in-tube liquid-phase microextraction (IL-HS-ITLPME) in-line coupled with capillary electrophoresis (CE) is proposed. The method is capable of quantifying trace amounts of phenols in environmental water samples. In the newly developed method, simply by placing a capillary injected with IL in the HS above the aqueous sample, volatile phenols were extracted into the IL acceptor phase in the capillary. After extraction, electrophoresis of the phenols in the capillary was carried out. Extraction parameters such as the extraction time, extraction temperature, ionic strength, volume of the sample solution and IL types were systematically investigated. Under the optimized conditions, enrichment factors for four phenols were from 1510 to 1985. The proposed method provided a good linearity, low limits of detection (below 5.0 ng mL-1 ), and good repeatability of the extractions (RSDs below 6.7%, n = 6). This method was then utilized to analyze two real environmental samples of Xiaoxi Lake and tap water, obtaining acceptable recoveries and precisions. Compared with the usual HS-ITLPME for CE, IL-HS-ITLPME-CE is a simple, low-cost, fast and environmentally friendly pre-concentration technique. This article is protected by copyright. All rights reserved.
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Wu JJ, Zheng J, Liu HP, Qiu MS, Liu WC, Lin Q. [The application of dermal fat flap in the reconstruction of deformity after resecting the nasal tip schwannoma: a case report]. ZHONGHUA ER BI YAN HOU TOU JING WAI KE ZA ZHI = CHINESE JOURNAL OF OTORHINOLARYNGOLOGY HEAD AND NECK SURGERY 2018; 53:296-298. [PMID: 29747256 DOI: 10.3760/cma.j.issn.1673-0860.2018.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Zhong Q, Li K, Chen D, Wang H, Lin Q, Liu W. Rapid detection and subtyping of human papillomaviruses in condyloma acuminatum using loop-mediated isothermal amplification with hydroxynaphthol blue dye. Br J Biomed Sci 2018. [PMID: 29537347 DOI: 10.1080/09674845.2017.1411864] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Objective Condyloma acuminatum (CA) is a common, viral, sexually transmitted disease worldwide. Human papillomavirus (HPV) genotyping has important clinical implications for the treatment of CA. We developed a loop-mediated isothermal amplification (LAMP) method for the detection of HPV. Methods We collected 294 cervical scrape samples, including 30 HPV-6-positive, 30 HPV-11-positive, 22 HPV-16-positive, 20 HPV-42-positve, 30 HPV-43-positive, 20 HPV-44-positive and 142 HPV-negative samples. Tissues from 40 patients with a pathological diagnosis of CA were paraffin-embedded and analyzed by LAMP and Luminex. Hydroxynaphthol blue (HNB) and electrophoresis were used to detect the results of LAMP. Results LAMP and Luminex systems were compared in detecting six subtypes of HPV. LAMP reactions were specific for each subtype. The sensitivity of LAMP for HPV-6, as determined by the HNB indicator assay, was 1000 copies/tube. The kappa value between the two methods was 0.98 (HPV-6), 0.94 (HPV-11), 0.89 (HPV-43), 0.87 (HPV-42) 0.79 (HPV-16) and 0.68 (HPV-44). Among the 142 HPV-negative samples determined by the Luminex assay, HPV-6 was detected in eight and HPV-11 in one by LAMP. Among the 40 CA samples, the results of LAMP and Luminex were in agreement in 38 (95%). Conclusion The results of this study indicated that the LAMP assay with HNB is superior to the Luminex method in terms of sensitivity and specificity. The specificity of LAMP was 100% and the sensitivity of LAMP was 1000 copies/tube using HNB. LAMP is therefore a useful, quick and accurate method for the clinical diagnosis of HPV subtypes.
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Chen F, Lin Q, Chen G, Wang X, Lin S. Does Intravenous Magnesium Benefit Patients of Cardiac Arrest? a Meta-Analysis. HONG KONG J EMERG ME 2017. [DOI: 10.1177/102490791201900205] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Objective Evidence shows that magnesium has anti-arrhythmic roles. However, clinical trials suggest that there are conflicting outcomes of cardiac arrest patients given magnesium. The study aimed to examine the effects of magnesium sulfate therapy on cardiac arrest patients using a meta-analysis. Methods We searched the MEDLINE (1966-July 2011), OVID (1980-July 2011), EMBASE (1980-July 2011), Chinese bio-medical literature & retrieval system (1978-July 2011), Chinese medical current contents (1995-July 2011), and Chinese medical academic conference (1994-July 2011). Studies were included if (1) the study design was a randomised controlled trial (RCT); (2) the study population included cardiac arrest patients who received cardiopulmonary resuscitation and either intravenous magnesium or placebo (0.9% normal saline); (3) the study provided data on return of spontaneous circulation (ROSC) and survival to hospital discharge. Relative risk (RR) and 95% confidence interval (CI) were used to pool the effect. Results The study included six RCTs with a total of 531 participants from cardiac arrest. The pooled data demonstrated that ROSC and hospital discharge rates in patients treated with magnesium were 35.5% (95% CI=29.7%-41.3%) and 10.4% (95% CI=6.7%-14.1%) compared with placebo (ROSC rate: 31.3%, 95% CI=25.8%-36.8%; hospital discharge rate: 8.5%, 95% CI=5.2%-11.8%). Administration of intravenous magnesium sulfate could not significantly increase ROSC (RR=1.14, 95% CI=0.91-1.43, P=0.26) and survival to hospital discharge (RR=1.22, 95% CI=0.74-2.02, P=0.43) compared with placebo. Conclusions Administration of magnesium sulfate does not improve ROSC and survival to hospital discharge in patients of cardiac arrest.
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Aprile E, Aalbers J, Agostini F, Alfonsi M, Amaro FD, Anthony M, Arneodo F, Barrow P, Baudis L, Bauermeister B, Benabderrahmane ML, Berger T, Breur PA, Brown A, Brown A, Brown E, Bruenner S, Bruno G, Budnik R, Bütikofer L, Calvén J, Cardoso JMR, Cervantes M, Cichon D, Coderre D, Colijn AP, Conrad J, Cussonneau JP, Decowski MP, de Perio P, Di Gangi P, Di Giovanni A, Diglio S, Eurin G, Fei J, Ferella AD, Fieguth A, Fulgione W, Gallo Rosso A, Galloway M, Gao F, Garbini M, Gardner R, Geis C, Goetzke LW, Grandi L, Greene Z, Grignon C, Hasterok C, Hogenbirk E, Howlett J, Itay R, Kaminsky B, Kazama S, Kessler G, Kish A, Landsman H, Lang RF, Lellouch D, Levinson L, Lin Q, Lindemann S, Lindner M, Lombardi F, Lopes JAM, Manfredini A, Mariş I, Marrodán Undagoitia T, Masbou J, Massoli FV, Masson D, Mayani D, Messina M, Micheneau K, Molinario A, Morå K, Murra M, Naganoma J, Ni K, Oberlack U, Pakarha P, Pelssers B, Persiani R, Piastra F, Pienaar J, Pizzella V, Piro MC, Plante G, Priel N, Rauch L, Reichard S, Reuter C, Riedel B, Rizzo A, Rosendahl S, Rupp N, Saldanha R, Dos Santos JMF, Sartorelli G, Scheibelhut M, Schindler S, Schreiner J, Schumann M, Scotto Lavina L, Selvi M, Shagin P, Shockley E, Silva M, Simgen H, Sivers MV, Stein A, Thapa S, Thers D, Tiseni A, Trinchero G, Tunnell C, Vargas M, Upole N, Wang H, Wang Z, Wei Y, Weinheimer C, Wulf J, Ye J, Zhang Y, Zhu T. First Dark Matter Search Results from the XENON1T Experiment. PHYSICAL REVIEW LETTERS 2017; 119:181301. [PMID: 29219593 DOI: 10.1103/physrevlett.119.181301] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Indexed: 06/07/2023]
Abstract
We report the first dark matter search results from XENON1T, a ∼2000-kg-target-mass dual-phase (liquid-gas) xenon time projection chamber in operation at the Laboratori Nazionali del Gran Sasso in Italy and the first ton-scale detector of this kind. The blinded search used 34.2 live days of data acquired between November 2016 and January 2017. Inside the (1042±12)-kg fiducial mass and in the [5,40] keV_{nr} energy range of interest for weakly interacting massive particle (WIMP) dark matter searches, the electronic recoil background was (1.93±0.25)×10^{-4} events/(kg×day×keV_{ee}), the lowest ever achieved in such a dark matter detector. A profile likelihood analysis shows that the data are consistent with the background-only hypothesis. We derive the most stringent exclusion limits on the spin-independent WIMP-nucleon interaction cross section for WIMP masses above 10 GeV/c^{2}, with a minimum of 7.7×10^{-47} cm^{2} for 35-GeV/c^{2} WIMPs at 90% C.L.
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Xu Y, Jiang C, Han S, Lin G, Gu F, Lin Q, Feng J. P3.17-003 A Selective Small Molecule Inhibitor of C-Met Kinase, BPI-9016M, Has Synergistic Effects with Radiation on Esophageal Squamous Cell Carcinoma. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1949] [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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Xu Y, Jiang C, Han S, Lin G, Zhu X, Feng J, Zhang G, Lin Q. MA 16.14 c-Met in Esophageal Squamous Cell Carcinoma: An Independent Prognostic Factor and Potential Therapeutic Target. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.608] [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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Xu Y, Chen W, Lin Q, Sun X, Liu J, Chen Q, Mao W. P3.14-015 A Propensity Matched Analysis of SBRT and Sublobar Resection for Stage I Non-Small Cell Lung Cancer in Patients at High Risk for Lobectomy. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1788] [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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Lin Q, Ying X, Fang J, Sun X, Xu Y. Impact of Different Timing of Radiation Therapy on Patients With Brain Metastases from Epidermal Growth Factor Receptor-Mutant Non–small Cell Lung Cancer. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1808] [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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Lin Q, Hong XY, Zhang D, Jin HJ. Preoperative evaluation and surgical technique of functional and cosmetic aspects in zygomatic complex fracture patients. J BIOL REG HOMEOS AG 2017; 31:1005-1012. [PMID: 29254306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The zygomatico-maxillary complex functions as the principle buttress of the face and is the cornerstone to an individuals aesthetic appearance. Its fracture not only creates cosmetic deformities owing to its position and facial contour, but can also cause disruption of ocular and mandibular functions. The aim of this study was to evaluate the quality, efficacy and impact of internal fixation of zygomatic complex fractures on functional and cosmetic outcomes. A prospective study was carried out on 100 patients who were divided according to the classification and the severity of injury. Subjective evaluation was submitted based on the patients perception of signs and symptoms in the preoperative and postoperative periods. Intraoperative and postoperative assessment of bone reduction quality was made according to the type of the fracture and related difficulties; also, the difference between these groups was observed as functional and esthetic outcome. To optimize the treatment of zygomatic bone fractures, a pre-designed questionnaire was used for subjective evaluation of symptoms and treatment outcome. In 70% of cases, ophthalmologic consultation was taken and was most common in type VII fractures (100% cases). Neurosensory disturbance was the most common finding (60%), followed by diplopia (56R%), pain upon mouth opening (54%) and malar depression (50%). Out of all possible 400 fracture sites in 100 patients of zygomatic complex fractures, 266 (66.5%) fractures were detected by clinical examination, in contrast to 330 (82.5%) on radiological examination, which were highest at zygomatic-maxillary buttress (93%) followed by infraorbital rim (91%) and almost equal among fronto-zygomatic site (72%) and zygomatic arch (74%). The scores from the questionnaire for annoyance were significantly higher for paraesthesia (23%) than for trismus (10%), pain (8.5%), or deformity (8.25%). Residual deformity and pain significantly influenced the total satisfaction. Conclusively, there are many treatment modalities available for zygomatic complex fractures, and the preferred methods should be selected on the basis of fracture type, fracture severity, pre-operative signs and symptoms. Regarding the requirements of fracture site exposure and actual fixation, one priority should be to minimize postoperative complications, morbidity and residual deformities.
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Bennett JA, Mansouri W, Lin Q, Feustel P, Andersen TT. Pharmacodynamic and Pharmacokinetic Properties of AFPep, a Novel Peptide for the Treatment of Breast Cancer. Int J Pept Res Ther 2017. [DOI: 10.1007/s10989-017-9628-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Cui L, Chen L, Xia W, Jiang Y, Cui L, Huang W, Wang W, Wang X, Pei Y, Zheng X, Wang Q, Ning Z, Li M, Wang O, Xing X, Lin Q, Yu W, Weng X, Xu L, Cummings SR. Vertebral fracture in postmenopausal Chinese women: a population-based study. Osteoporos Int 2017; 28:2583-2590. [PMID: 28560474 DOI: 10.1007/s00198-017-4085-1] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2017] [Accepted: 05/08/2017] [Indexed: 01/16/2023]
Abstract
UNLABELLED In a random sample of postmenopausal Chinese women, the prevalence of radiographic vertebral fractures increased from 13% between ages 50 and 59 to over 50% after age 80 years. A model with seven clinical risk factors predicted the probability of vertebral fractures as well with as without BMD and better than a model with only three risk factors. More than half an hour of outdoor activity per day might correlate with lower risk of vertebral fracture in this population. INTRODUCTION We aimed to describe the prevalence and develop a model for prediction of radiographic vertebral fractures in a large random sample of postmenopausal Chinese women. METHODS We enrolled 1760 women from an age-stratified random sample of postmenopausal women in Beijing, China. The presence of vertebral fracture was assessed by semi-quantitative grading of lateral thoracolumbar radiographs, risk factors by interview, bone mineral density (BMD) of the proximal femur and lumbar spine by dual x-ray absorptiometry (DXA), and markers of bone turnover from a fasting blood sample. Associations of these factors were analyzed in logistic models and discrimination by areas of receiver operating characteristics curves (AUC). RESULTS The prevalence of vertebral fracture, ranged from 13.4% ages 50 to 59 years old to 58.1% at age 80 years or older. Older age, a history of non-vertebral fracture, lower femoral neck BMD T-score, body mass index (BMI), height loss, housework, and less than half an hour of outdoor activity were significantly associated with increased probability of having a vertebral fracture. A model with those seven factors had a similar AUC with or without BMD and performed better than a simple model with three factors. CONCLUSION This study is from a true random sample of postmenopausal women in urban China with high response rate. The prevalence of vertebral fractures in postmenopausal women in Beijing increases from 13% under age 60 to over 50% by age 80 years. A model with seven clinical risk factors with or without BMD is better than simple models and may guide the use of spine x-rays to identify women with vertebral fractures. More than half an hour of outdoor activity might correlate with lower risk of vertebral fracture in this population.
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Yu X, Gong Z, Lin Q, Wang W, Liu S, Li S. Denervation effectively aggravates rat experimental periodontitis. J Periodontal Res 2017. [PMID: 28621056 DOI: 10.1111/jre.12472] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Qi Q, Zhao M, Wang S, Ma X, Wang Y, Gao Y, Lin Q, Li X, Gu B, Li G, Zhou J, Yang Y. The Biogeographic Pattern of Microbial Functional Genes along an Altitudinal Gradient of the Tibetan Pasture. Front Microbiol 2017; 8:976. [PMID: 28659870 PMCID: PMC5468456 DOI: 10.3389/fmicb.2017.00976] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 05/15/2017] [Indexed: 01/30/2023] Open
Abstract
As the highest place of the world, the Tibetan plateau is a fragile ecosystem. Given the importance of microbial communities in driving soil nutrient cycling, it is of interest to document the microbial biogeographic pattern here. We adopted a microarray-based tool named GeoChip 4.0 to investigate grassland microbial functional genes along an elevation gradient from 3200 to 3800 m above sea level open to free grazing by local herdsmen and wild animals. Interestingly, microbial functional diversities increase with elevation, so does the relative abundances of genes associated with carbon degradation, nitrogen cycling, methane production, cold shock and oxygen limitation. The range of Shannon diversities (10.27–10.58) showed considerably smaller variation than what was previously observed at ungrazed sites nearby (9.95–10.65), suggesting the important role of livestock grazing on microbial diversities. Closer examination showed that the dissimilarity of microbial community at our study sites increased with elevations, revealing an elevation-decay relationship of microbial functional genes. Both microbial functional diversity and the number of unique genes increased with elevations. Furthermore, we detected a tight linkage of greenhouse gas (CO2) and relative abundances of carbon cycling genes. Our biogeographic study provides insights on microbial functional diversity and soil biogeochemical cycling in Tibetan pastures.
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Long L, Ding D, Han Z, Zhao H, Lin Q, Ding S. Thermotolerant hemicellulolytic and cellulolytic enzymes from Eupenicillium parvum 4-14 display high efficiency upon release of ferulic acid from wheat bran. J Appl Microbiol 2017; 121:422-34. [PMID: 27171788 DOI: 10.1111/jam.13177] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 04/13/2016] [Accepted: 05/05/2016] [Indexed: 11/28/2022]
Abstract
AIMS To characterize the hemicellulolytic and cellulolytic enzymes from novel fungi, and evaluate the potential of novel enzyme system in releasing ferulic acid (FA) from biomass resource. METHODS AND RESULTS A hemicellulolytic and cellulolytic enzyme-producing fungus 4-14 was isolated from soil by Congo red staining method, and identified as Eupenicillium parvum based on the morphologic and molecular phylogenetic analysis. The optimum temperature of fungal growth was 37°C. Hemicellulolytic and cellulolytic enzymes were produced by this fungus in solid-state fermentation (SSF), and their maximum activities were 554, 385, 218, 2·62 and 5·25 U g(-1) for CMCase, xylanase, β-glucosidase, FPase and FAE respectively. These enzymes displayed the best catalytic ability at low pH values (pH 4·5-5·0). The optimum temperatures were 70°C, 70°C, 75°C and 55°C for CMCase, β-glucosidase, xylanase and FAE respectively. CMCase, xylanase and FAE were stable at different pHs or high temperature (60°C). Enzymatic hydrolysis experiment indicated that the maximum (76·8 ± 4)% of total alkali-extractable FA was released from de-starched wheat bran by the fungal enzyme system. CONCLUSIONS High activities of thermotolerant CMCase, β-glucosidase, xylanase and FAE were produced by the newly isolated fungus E. parvum 4-14 in SSF. The fungal enzyme system displayed high efficiency at releasing FA from wheat bran. SIGNIFICANCE AND IMPACT OF THE STUDY This study provides a new fungal strain for researches of novel hemicellulolytic and cellulolytic enzymes and will improve the bioconversion and utilization of agricultural by-products.
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Tian M, Zhu L, Lin H, Lin Q, Huang P, Yu X, Jing Y. Hsp-27 levels and thrombus burden relate to clinical outcomes in patients with ST-segment elevation myocardial infarction. Oncotarget 2017; 8:73733-73744. [PMID: 29088740 PMCID: PMC5650295 DOI: 10.18632/oncotarget.17852] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 04/26/2017] [Indexed: 12/11/2022] Open
Abstract
High thrombus burden, subsequent distal embolization, and myocardial no-reflow remain a large obstacle that may negate the benefits of urgent coronary revascularization in patients with ST-segment elevation myocardial infarction (STEMI). However, the biological function and clinical association of Hsp-27 with thrombus burden and clinical outcomes in patients with STEMI is not clear. Consecutive patients (n = 146) having STEMI undergoing primary percutaneous coronary intervention (pPCI) within 12 hours from the onset of symptoms were enrolled in this prospective study in the Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shangdong, P.R. China. Patients were divided into low thrombus burden and high thrombus burden groups. The present study demonstrated that patients with high-thrombus burden had higher plasma Hsp-27 levels ([32.0 ± 8.6 vs. 58.0 ± 12.3] ng/mL, P < 0.001). The median value of Hsp-27 levels in all patients with STEMI was 45 ng/mL. Using the receiver operating characteristic (ROC) curve analysis, plasma Hsp-27 levels were of significant diagnostic value for high thrombus burden (AUC, 0.847; 95% CI, 0.775–0.918; P < 0.01). The multivariate cox regression analysis demonstrated that Hsp-27 > 45 ng/mL (HR 2.801, 95% CI 1.296–4.789, P = 0.001), were positively correlated with the incidence of major adverse cardiovascular events (MACE). Kaplan-Meier survival analysis demonstrated that MACE-free survival at 180-day follow-up was significantly lower in patients with Hsp-27 > 45 ng/mL (log rank = 10.28, P < 0.001). Our data demonstrate that plasma Hsp-27 was positively correlated with high thrombus burden and the incidence of MACE in patients with STEMI who underwent pPCI.
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Kavetsky A, Yakubova G, Sychov M, Lin Q, Walter G, Chan D, Yousaf S, Socarras H, Abrefah J, Bower K. Tritium-Charged Capacitor. NUCL SCI ENG 2017. [DOI: 10.13182/nse159-321] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Huang L, Injac SG, Zhao H, Lin Q, Kogiso M, Man C, Li X, Lau C, Wong ST. P11.08 Systematic drug repurposing for faster cures of pediatric cancer identifies that Digoxin prolongs survival in a PDOX model of group 4 medulloblastoma. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Qin G, Wang X, Tan S, Lin Q. A bacterial infection by Vibrio harveyi causing heavy reduction of cultured lined seahorse Hippocampus erectus. JOURNAL OF FISH DISEASES 2017; 40:601-605. [PMID: 27553601 DOI: 10.1111/jfd.12533] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 06/16/2016] [Accepted: 06/17/2016] [Indexed: 06/06/2023]
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121
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Aprile E, Aalbers J, Agostini F, Alfonsi M, Amaro FD, Anthony M, Arneodo F, Barrow P, Baudis L, Bauermeister B, Benabderrahmane ML, Berger T, Breur PA, Brown A, Brown E, Bruenner S, Bruno G, Budnik R, Bütikofer L, Calvén J, Cardoso JMR, Cervantes M, Cichon D, Coderre D, Colijn AP, Conrad J, Cussonneau JP, Decowski MP, de Perio P, Di Gangi P, Di Giovanni A, Diglio S, Eurin G, Fei J, Ferella AD, Fieguth A, Franco D, Fulgione W, Gallo Rosso A, Galloway M, Gao F, Garbini M, Geis C, Goetzke LW, Greene Z, Grignon C, Hasterok C, Hogenbirk E, Itay R, Kaminsky B, Kessler G, Kish A, Landsman H, Lang RF, Lellouch D, Levinson L, Lin Q, Lindemann S, Lindner M, Lopes JAM, Manfredini A, Maris I, Marrodán Undagoitia T, Masbou J, Massoli FV, Masson D, Mayani D, Messina M, Micheneau K, Miguez B, Molinario A, Murra M, Naganoma J, Ni K, Oberlack U, Pakarha P, Pelssers B, Persiani R, Piastra F, Pienaar J, Pizzella V, Piro MC, Plante G, Priel N, Rauch L, Reichard S, Reuter C, Rizzo A, Rosendahl S, Rupp N, Dos Santos JMF, Sartorelli G, Scheibelhut M, Schindler S, Schreiner J, Schumann M, Scotto Lavina L, Selvi M, Shagin P, Silva M, Simgen H, Sivers MV, Stein A, Thers D, Tiseni A, Trinchero G, Tunnell C, Wang H, Wei Y, Weinheimer C, Wulf J, Ye J, Zhang Y. Search for Electronic Recoil Event Rate Modulation with 4 Years of XENON100 Data. PHYSICAL REVIEW LETTERS 2017; 118:101101. [PMID: 28339273 DOI: 10.1103/physrevlett.118.101101] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Indexed: 06/06/2023]
Abstract
We report on a search for electronic recoil event rate modulation signatures in the XENON100 data accumulated over a period of 4 yr, from January 2010 to January 2014. A profile likelihood method, which incorporates the stability of the XENON100 detector and the known electronic recoil background model, is used to quantify the significance of periodicity in the time distribution of events. There is a weak modulation signature at a period of 431_{-14}^{+16} day in the low energy region of (2.0-5.8) keV in the single scatter event sample, with a global significance of 1.9σ; however, no other more significant modulation is observed. The significance of an annual modulation signature drops from 2.8σ, from a previous analysis of a subset of this data, to 1.8σ with all data combined. Single scatter events in the low energy region are thus used to exclude the DAMA/LIBRA annual modulation as being due to dark matter electron interactions via axial vector coupling at 5.7σ.
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Liu B, Dong L, Wang X, Han T, Lin Q, Liu M. Tuberculosis mimicking metastases by malignancy in FDG PET/CT. QJM 2017; 110:173-174. [PMID: 28077735 DOI: 10.1093/qjmed/hcw214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Indexed: 11/13/2022] Open
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An XK, Fang J, Yu ZZ, Lin Q, Lu CX, Qu HL, Ma QL. Multilocus analysis reveals three candidate genes for Chinese migraine susceptibility. Clin Genet 2017; 92:143-149. [PMID: 28058730 DOI: 10.1111/cge.12962] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 12/22/2016] [Accepted: 12/30/2016] [Indexed: 01/03/2023]
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Sun SJ, Lin Q, Ma JX, Shi WW, Yang B, Li F. Long non-coding RNA NEAT1 acts as oncogene in NSCLC by regulating the Wnt signaling pathway. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2017; 21:504-510. [PMID: 28239820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
OBJECTIVE The present study aimed to explore the role of long non-coding RNA NEAT1 (NEAT1) in mediating non-small cell lung cancer (NSCLC) cell migration and invasion, as well as the underlying regulatory mechanisms. PATIENTS AND METHODS The NEAT1 expression in NSCLC tissues and cell lines was measured using reverse transcription‑quantitative polymerase chain reaction (RT-qPCR). The relationships between NEAT1 expression and clinicopathological parameters were examined by chi-square test. Overall survival curves were analyzed using the Kaplan-Meier method. Effects of NEAT1 on cell growth, invasion and migration were evaluated by cell counting kit-8 assay and transwell assay, respectively. Western blotting was used to address the impact of NEAT1 on Wnt/β‑catenin signaling. RESULTS We observed that the expression of NEAT1 in NSCLC tissues and cell lines were much higher than that in normal control, respectively. High NEAT1 expression was statistically associated with poor differentiation, Lymph node metastasis and advanced TMN stage (all p < 0.05). According to the Kaplan-Meier survival analysis, NSCLC patients with high NEAT1expression had a significantly shorter overall survival than those with high NEAT1 expression(p < 0.001). Moreover, the downregulation of NEAT1 expression significantly inhibited the NSCLC cells proliferation, migration, and invasiveness. Finally, we found that decreased expression of NEAT1 inhibited the Wnt/β-catenin signaling pathway activity. CONCLUSIONS Our data for the first time showed that NEAT1 contribute to the tumorigenesis and development of NSCLC by activating Wnt/β-catenin signaling pathway, suggesting that NEAT1 may provide a therapeutic strategy for the treatment of NSCLC patients.
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Liang HR, Fu XZ, Li NQ, Liu LH, Lin Q, Li YG, Peng YA, Huang ZB, Wu SQ. The distribution of different virulence grass carp reovirus strains in some neglected tissues. Pol J Vet Sci 2016; 19:763-770. [PMID: 28092614 DOI: 10.1515/pjvs-2016-0096] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Grass carp reovirus (GCRV) is the causative agent of hemorrhagic disease in infected grass carp. During an outbreak, a mortality rate of up to 85% can be experienced, thus leading to substantial economic losses. The current understanding of disease pathogenesis is limited, with the distribution and dynamics of replication amongst different GCRV strains in vivo largely unknown. We determined distribution of different GCRV strains in infected grass carp, especially in some neglected tissues, such as the gill, brain, blood and so on. The results showed elevated viral RNA copy numbers in the blood, with some tissues such as the kidney, heart, brain, and bladder exhibiting even higher viral loads following infection with the virulent GCRV-CL strain. Even more interesting is that the brain exhibited the highest viral load, with a copy number of 800,000 following GCRV-CL infection. Overall, this study provides further insight into GCRV viral load distributions following infection and potentially identified some new viral tropism sites to provide a foundation for further studies aimed at characterizing GCRV viral pathogenesis.
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Zhang J, Wang J, Lee YM, Lim TK, Lin Q, Shen HM. Proteomic Profiling of De Novo Protein Synthesis in Starvation-Induced Autophagy Using Bioorthogonal Noncanonical Amino Acid Tagging. Methods Enzymol 2016; 588:41-59. [PMID: 28237112 DOI: 10.1016/bs.mie.2016.09.075] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Autophagy is an intracellular degradation process activated by stress factors such as nutrient starvation to maintain cellular homeostasis. There is emerging evidence demonstrating that de novo protein synthesis is involved in the autophagic process. However, up-to-date characterizing of these de novo proteins is technically difficult. In this chapter, we describe a novel method to identify newly synthesized proteins during starvation-mediated autophagy by bioorthogonal noncanonical amino acid tagging (BONCAT), in conjunction with isobaric tagging for relative and absolute quantification (iTRAQ)-based quantitative proteomics. l-azidohomoalanine (AHA) is an analog of methionine, and it can be readily incorporated into the newly synthesized proteins. The AHA-containing proteins can be enriched with avidin beads after a "click" reaction between alkyne-bearing biotin and the azide moiety of AHA. The enriched proteins are then subjected to iTRAQ™ labeling for protein identification and quantification using liquid chromatography-tandem mass spectrometry (LC-MS/MS). By using this technique, we have successfully profiled more than 700 proteins that are synthesized during starvation-induced autophagy. We believe that this approach is effective in identification of newly synthesized proteins in the process of autophagy and provides useful insights to the molecular mechanisms and biological functions of autophagy.
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Yuan L, Yi J, Lin Q, Xu H, Deng X, Xiong W, Xiao J, Jiang C, Yuan X, Chen Y, Deng H. Identification of a PRX variant in a Chinese family with congenital cataract by exome sequencing. QJM 2016; 109:731-735. [PMID: 27081207 DOI: 10.1093/qjmed/hcw058] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 03/16/2016] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Congenital cataract is a common cause of childhood vision impairment or blindness with genetic and clinical heterogeneity. The aim of this study was to identify the disease-associated gene in a Chinese family with congenital cataract. METHODS A four-generation Chinese family with three enrolled patients suffering from congenital cataract was studied. Detailed family history and clinical data of all the members were collected and recorded. Exome sequencing was applied in the proband to screen potential genetic variants, and then Sanger sequencing was used to verify the variant within the family. RESULTS A heterozygous variant, c.3673G > A (p.V1225M), in the periaxin gene (PRX) was identified in three patients and two asymptomatic individuals of the family. The variant was absent in the other three unaffected family members and in 3290 ethnically matched in-house controls from BGI-Shenzhen. CONCLUSIONS By utilizing both exome sequencing and Sanger sequencing, we identified a missense variant in the PRX gene that is possibly associated with disease in this family. Our finding may broaden the spectrum of genes associated with congenital cataract, and may provide insights into lens development, pathogenic mechanism, future clinical genetic diagnosis and therapy of congenital cataract.
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Bian TT, Lin Q, Wu ZJ, Cui CX, Qi CH, Su XH. [Metaplastic carcinoma of the breast: imaging features and clinicopathological characteristics]. ZHONGHUA ZHONG LIU ZA ZHI [CHINESE JOURNAL OF ONCOLOGY] 2016; 38:767-768. [PMID: 27784462 DOI: 10.3760/cma.j.issn.0253-3766.2016.10.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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Song YF, Xu ZB, Zhu XJ, Tao X, Liu JL, Gao FL, Wu CL, Song B, Lin Q. Serum Cyr61 as a potential biomarker for diagnosis of colorectal cancer. Clin Transl Oncol 2016; 19:519-524. [PMID: 27743169 DOI: 10.1007/s12094-016-1560-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 10/03/2016] [Indexed: 12/18/2022]
Abstract
PURPOSE To determine the sensitivity and specificity of serum Cyr61 as a potential biomarker for the diagnosis of colorectal cancer (CRC) and to assess the association between serum Cyr61 level and CRC clinicopathological status. METHODS We used an enzyme-linked immunosorbent assay to measure serum Cyr61 in patients with CRC, patients with colorectal adenomas, and healthy controls. We also analyzed the relationship between serum Cyr61 and clinicopathological features of CRC patients. The levels of serum carcinoembryonic antigen (CEA) and carbohydrate antigen 19-9 (CA19-9) were quantified using the Roche Cobas 6000 Analyzer. The sensitivity and specificity of Cyr61, CEA, CA19-9 and CEA + CA19-9 were evaluated by receiver operating characteristic (ROC) analysis. RESULTS The serum level of Cyr61 was significantly increased in CRC patients compared with colorectal adenoma patients and healthy controls (p < 0.001). Furthermore, the area under the ROC curve for Cyr61 was 0.935 (95 % confidence interval 0.902-0.968), higher than that for CEA + CA19-9 (0.827, 95 % confidence interval: 0.783-0.871). Use of a Cyr61 cutoff value of 92.0 pg/mL allowed distinguishing CRC patients and healthy controls with a sensitivity of 83 % and a specificity of 97 %. Among CRC patients, an elevated level of serum Cyr61 was significantly associated with more advanced TNM stage (p < 0.0042), lymph node metastasis (p < 0.0088), and vascular invasion (p = 0.0027). CONCLUSION Cyr61 has potential as a serum biomarker for the diagnosis of CRC and for assessment of the clinicopathological status of CRC.
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Zhao Y, Guo X, Lobodasch K, Liu B, Wang S, Lin Q, Yu Y, Su F. Bulking agents – an analysis of 500 cases and review of the literature. CLIN EXP OBSTET GYN 2016. [DOI: 10.12891/ceog2136.2016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Lin Q, LI Y. The Value of FDG Positron Emission Tomography/Computed Tomography for Predicting the Outcome of Radiation Therapy in Nasopharyngeal Carcinoma. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1491] [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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Xu J, Ren L, Wei Y, Zheng P, Ye L, Feng Q, Lin Q, Zhu D, Chang W, Ji M. Effects of beyond KRAS mutations on the efficacy of cetuximab plus chemotherapy for patients with unresectable colorectal liver-limited metastases (BELIEF): a retrospective biomarker analysis from a Chinese trial. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw370.89] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Lin Q, HU B. A New and Precise Method for Quantitative Detecting Cell Free EBV-DNA in the Plasma of Patients With Nasopharyngeal Carcinoma. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1517] [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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Wang L, Jiang W, Lin Q, Zhang Y, Zhao C. DNA methylation regulatesgabrb2mRNA expression: developmental variations and disruptions inl-methionine-induced zebrafish with schizophrenia-like symptoms. GENES BRAIN AND BEHAVIOR 2016; 15:702-710. [DOI: 10.1111/gbb.12315] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 07/18/2016] [Accepted: 08/04/2016] [Indexed: 12/25/2022]
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Yang J, Zhu J, Pei R, Oliver JA, Landry DW, Stojanovic MN, Lin Q. Integrated Microfluidic Aptasensor for Mass Spectrometric Detection of Vasopressin in Human Plasma Ultrafiltrate. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2016; 8:5190-5196. [PMID: 28090219 PMCID: PMC5228624 DOI: 10.1039/c5ay02979a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We present a microfluidic aptamer-based biosensor for detection of low-molecular-weight biomarkers in patient samples. Using a microfluidic device that integrates aptamer-based specific analyte extraction, isocratic elution, and detection by matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry, we demonstrate rapid, sensitive and label-free detection of arginine vasopressin (AVP) in human plasma ultrafiltrate. AVP molecules in complex matrices are specifically captured by an aptamer that is immobilized on microbeads via affinity binding in a microchamber. After the removal of unbound, contaminating molecules through washing, aptamer-AVP complexes are thermally disrupted via on-chip temperature control. Released AVP molecules are eluted with purified water and transferred to a separate microchamber, and deposited onto a single spot on a MALDI plate via repeated, piezoelectrically actuated ejection, which enriches AVP molecules over the spot area. This integrated on-chip sample processing enables the quantitative detection of low-abundance AVP by MALDI-TOF mass spectrometry in a rapid and label-free manner. Our experimental results show the detection of AVP in human plasma ultrafiltrate as low as physiologically relevant picomolar concentrations via aptamer-based selective preconcentration, demonstrating the potential of our approach as a rapid (~ 1hr), sensitive clinical AVP assay.
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Hohwieler M, Renz S, Liebau S, Lin Q, Lechel A, Klaus J, Perkhofer L, Zenke M, Seufferlein T, Illing A, Müller M, Kleger A. “Miniguts” from plucked human hair meet Crohn’s disease. ZEITSCHRIFT FUR GASTROENTEROLOGIE 2016; 54:748-59. [DOI: 10.1055/s-0042-105520] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Hu M, Wu Q, Fan YW, Cao WW, Lin Q, Yu G. [Comparison of balloon catheter dilatation and silicon intubation as the secondary treatment for congenital nasolacrimal duct obstruction after failed primary probing]. [ZHONGHUA YAN KE ZA ZHI] CHINESE JOURNAL OF OPHTHALMOLOGY 2016; 52:123-8. [PMID: 26906708 DOI: 10.3760/cma.j.issn.0412-4081.2016.02.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To determine the success rates and compare the results of balloon catheter dilation and nasolacrimal intubation as treatment for congenital nasolacrimal duct obstruction after failed probing, stratified by category of age and type of obstruction. METHODS It was a prospective, randomized, clinical trial that enrolled 189 children (245 eyes) aged between 6 months to 48 months who had a history of failed nasolacrimal duct probing. All eyes underwent either balloon catheter nasolacrimal duct dilation or nasolacrimal duct intubation randomly. The eyes were divided into 2 age categories: category 1 (6-24 months) and category 2 (>24 months) and into 2 types of obstructions: simple obstruction and complex obstruction. Treatment success was defined as absence of epiphora, mucous discharge, or increased lacrimal lake at the outcome visit 6 months after surgery. Complications were also compared. RESULTS In 124 eyes treated with balloon catheter dilatation, 112 were successful (90.3%) comparing with 106 successful eyes (87.6%) in 121 eyes treated with nasolacrimal duct intubation. The risk ratio for success between intubation and balloon dilation was 0.971, and the 95% confidence interval was 0.95-1.22. Within each age category, the success rate varied but did not show significant difference: In those under 24 months, success rate was 89.7% in 97 eyes treated with intubation, and 91.9% in 99 eyes treated with balloon dilation (RR, 0.976; 95% CI, 0.590-0.956). In those above 24 months, success rate was 79.1% in 24 eyes treated with intubation, and 84.0% in 25 eyes treated with balloon dilation (RR, 0.942; 95%CI, 0.813-1.387). In the group of simple obstruction, success rate was 96.5% in 87 eyes treated with intubation, and 93.1% in 88 eyes treated with balloon dilation (RR, 1.036; 95% CI, 0.967-1.105). In the group of complex obstruction, Success rate was 64.7% in 34 eyes treated with intubation, and 86.1% in 36 eyes treated with balloon dilation. The success rate of balloon dilatation showed slightly higher than that of intubation (RR, 0.751; 95% CI, 0.590-0.956). There were 59 eyes showed complications in intubation group, while only 2 eyes in balloon dilation group. CONCLUSIONS Both balloon catheter dilation and nasolacrimal duct intubation could alleviate the clinical signs of persistent nasolacrimal duct obstruction with a similar percentage of patients. In the complex obstruction group, balloon catheter dilation showed better efficacy than nasolacrimal duct intubation.
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Chalhoub N, Gordaninejad F, Lin Q, Ghazavi A. Dynamic Modeling of a Laminated Composite- Material Flexible Robot Arm Made of Short Beams. Int J Rob Res 2016. [DOI: 10.1177/027836499101000511] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
High-precision assembly tasks are often performed by compact industrial robots with small work envelopes. The end-effector positional accuracy of compact robots can be accurately predicted by considering the links of the robot arm as short beams. In this study, a general procedure to derive a dynamic model for a revolute flexible robot arm, which takes into consideration the rotary inertia and shear deformation effects, is presented. Only the last link of the arm is considered to be flexible and assumed to be fabri cated from laminated composite materials. Hamilton's principle is used to derive the equations of motion. A displacement finite element model based on the Timoshenko beam theory is implemented to approximate the solution. The digital simulation studies predict the deflections at the end effector and examine the combined effects of rotary inertia and shear deformation. Further more, the improvement in the dynamic response of the robot arm resulting from the fabrication of the manipula tor from laminated composite materials is demonstrated.
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Luan Y, Liu Y, Liu C, Lin Q, He F, Dong X, Xiao Z. Serum miRNAs Signature Plays an Important Role in Keloid Disease. Curr Mol Med 2016; 16:504-14. [DOI: 10.2174/1566524016666160429121345] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 03/10/2016] [Accepted: 04/20/2016] [Indexed: 11/22/2022]
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Wang X, Zhang Y, Qin G, Luo W, Lin Q. A novel pathogenic bacteria (Vibrio fortis) causing enteritis in cultured seahorses, Hippocampus erectus Perry, 1810. JOURNAL OF FISH DISEASES 2016; 39:765-769. [PMID: 26466548 DOI: 10.1111/jfd.12411] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Revised: 07/24/2015] [Accepted: 07/24/2015] [Indexed: 06/05/2023]
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Huang H, Yao Y, Lin Q, Zhao J, Hua C, Gou X. One-pot synthesis of xanthene derivatives catalyzed by Fe(III) tetranitrophthalocyanine immobilized on activated carbon. RUSS J GEN CHEM+ 2016. [DOI: 10.1134/s1070363216040307] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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142
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Falchook GS, Rady P, Konopinski JC, Busaidy N, Hess K, Hymes S, Nguyen HP, Prieto VG, Bustinza-Linares E, Lin Q, Parkhurst KL, Hong DS, Sherman S, Tyring SK, Kurzrock R. Merkel cell polyomavirus and human papilloma virus in proliferative skin lesions arising in patients treated with BRAF inhibitors. Arch Dermatol Res 2016; 308:357-65. [DOI: 10.1007/s00403-016-1650-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 03/20/2016] [Accepted: 04/14/2016] [Indexed: 01/07/2023]
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Carell T, Vrabel M, Yang M, Yang Y, Chen PR, Dommerholt J, Rutjes FPJT, van Delft FL, Herner A, Lin Q, Wu H, Devaraj NK, Kath-Schorr S. M. Vrabel and T. Carell for Cycloadditions in Bioorthogonal Chemistry. Top Curr Chem (Cham) 2016; 374:15. [DOI: 10.1007/s41061-016-0017-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Accepted: 02/19/2016] [Indexed: 11/25/2022]
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Liu FB, Lin Q, Liu ZW. A study on the role of apoptotic human umbilical cord mesenchymal stem cells in bleomycin-induced acute lung injury in rat models. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2016; 20:969-982. [PMID: 27010158] [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 We sought to determine whether normal human umbilical cord mesenchymal stem cells and apoptotic human umbilical cord mesenchymal stem cells play any role in the lung repair following bleomycin-induced lung injury in rat models. MATERIALS AND METHODS Umbilical cord mesenchymal stem cells were obtained from the umbilical cord following caesarian section from healthy normal babies. Plasmin deprivation method was used for culture of human umbilical cord mesenchymal stem cells and flow cytometry was used to identify cell surface antigen and activity of stem cells and apoptosis. The animal model of acute lung injury was established by a one-off intratracheal instillation of bleomycin (BLM) (5 mg/kg) and then normal stem cells and apoptotic stem cells were separately injected. Alveolar lavage fluid and lung tissue were collected for further analysis prior to the injury and at days 3, 7, 14 after administration of BLM. The number of neutrophils in the broncho alveolar lavage fluid (BALF) was counted; Bicinchoninic Acid (BCA) method was used for estimation of total protein content in alveolar lavage fluid; biochemical assay was used for estimation of myeloperoxidase (MPO) activity; hematoxylin and eosin (HE) staining of lung tissue was used for histopathology analysis; reverse transcription-polymerase chain reaction (RT-PCR) assay was used for the determination of interferon-gamma (INF-γ) and mRNA changes of interleukin-4 (IL-4) in lung tissue. Enzyme-linked immunosorbent assay (ELISA) was used for the determination of cytokines TNF-α in the lung tissue. RESULTS Apoptotic human umbilical cord mesenchymal stem cells were more effective in reducing lung neutrophil infiltration and total protein leakage in rat models of acute lung injury (ALI). There was also an improvement in the degree of vascular permeability, reduction in the level of proinflammatory cytokines, INF-γ gene level and boost in anti-inflammatory cytokine IL-4 levels which also helps in more effectively reducing the degree of injury in ALI. CONCLUSIONS Human umbilical cord mesenchymal stem cell transplantation may have a bright future in the clinical setting for the treatment of ALI/acute respiratory distress syndrome (ARDS). Apoptotic human umbilical cord mesenchymal stem cells may have more effective than normal human umbilical cord mesenchymal stem cells in the treatment of acute lung injury.
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Wu XB, Lin C, Lin Q, Gu X. [Temporal bone teratoma: a case report]. ZHONGHUA ER BI YAN HOU TOU JING WAI KE ZA ZHI = CHINESE JOURNAL OF OTORHINOLARYNGOLOGY HEAD AND NECK SURGERY 2016; 51:133-4. [PMID: 26898874 DOI: 10.3760/cma.j.issn.1673-0860.2016.02.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Vahabi H, Lin Q, Vagner C, Cochez M, Ferriol M, Laheurte P. Investigation of thermal stability and flammability of poly(methyl methacrylate) composites by combination of APP with ZrO 2 , sepiolite or MMT. Polym Degrad Stab 2016. [DOI: 10.1016/j.polymdegradstab.2015.12.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Zhao Y, Guo X, Lobodasch K, Liu B, Wang S, Lin Q, Yu Y, Su F. Bulking agents - an analysis of 500 cases and review of the literature. CLIN EXP OBSTET GYN 2016; 43:666-672. [PMID: 30074316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
INTRODUCTION Stress urinary incontinence (SUI) is common, impacts women's quality of life and generates high costs. Physiotherapy is the first line therapy and if it fails, suburethral slings are currently the gold standard in SUI surgery. Bulking agents injected periurethrally might be a beneficial alternative, but there is a paucity of data on bulking therapy. Aim of the current-study was to analyze the efficacy and safety of bulking agents in the setting of a tertiary referral center prospectively. MATERIALS AND METHODS In the last 13 years 514 elderly women with SUI were treated by injection therapy with either collagen, hyaluronic acid, ethylene vinyl alcohol or polyacrylamide hydrogel. Subjective and objective outcomes were recorded at the 12 month post-operative appointment using the King's Health Questionnaire (KHQ) and Visual Analogue Scale (VAS) to describe their incontinence severity, standardized Pad-Test, and urethral pressure profile. RESULTS Demographic data were equally distributed in all four groups of agents used. Sixty-one patients were lost to follow-up (10.6%). Statistically significant changes were found for maximum urethral closure pressure (MUCP), pad weight, and VAS before and after bulking for the four agents used. Pad-Test was negative in 73.2% of patients after bulking therapy. Subjective assessment showed improvements in general health and role limitations. The overall complication rate poly- was low for all agents. CONCLUSIONS The current study shows an improvement of incontinence after bulking therapy applying subjective and objective outcomes in an elderly population. In contrast to earlier reports, side effects due to injections were few and mild. We can advocate bulking therapy for the.
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Li Y, Lin Q, Wang S, Li X, Liu W, Luo C, Zhang Z, Zhu X, Jiang L, Li X. Soil bacterial community responses to warming and grazing in a Tibetan alpine meadow. FEMS Microbiol Ecol 2015; 92:fiv152. [PMID: 26635411 DOI: 10.1093/femsec/fiv152] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/30/2015] [Indexed: 02/04/2023] Open
Abstract
Warming and grazing significantly affect the structure and function of an alpine meadow ecosystem. Yet, the responses of soil microbes to these disturbances are not well understood. Controlled asymmetrical warming (+1.2/1.7°C during daytime/nighttime) with grazing experiments were conducted to study microbial response to warming, grazing and their interactions. Significant interactive effects of warming and grazing were observed on soil bacterial α-diversity and composition. Warming only caused significant increase in bacterial α-diversity under no-grazing conditions. Grazing induced no substantial differences in bacterial α-diversity and composition irrespective of warming. Warming, regardless of grazing, caused a significant increase in soil bacterial community similarity across space, but grazing only induced significant increases under no-warming conditions. The positive effects of warming on bacterial α-diversity and grazing on community similarity were weakened by grazing and warming, respectively. Soil and plant variables explained well the variations in microbial communities, indicating that changes in soil and plant properties may primarily regulate soil microbial responses to warming in this alpine meadow. The results suggest that bacterial communities may become more similar across space in a future, warmed climate and moderate grazing may potentially offset, at least partially, the effects of global warming on the soil microbial diversity.
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Zdzieblo D, Li X, Lin Q, Zenke M, Illich DJ, Becker M, Müller AM. Pcgf6, a polycomb group protein, regulates mesodermal lineage differentiation in murine ESCs and functions in iPS reprogramming. Stem Cells 2015; 32:3112-25. [PMID: 25187489 DOI: 10.1002/stem.1826] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Accepted: 07/23/2014] [Indexed: 01/04/2023]
Abstract
Polycomb group (PcG) proteins comprise evolutionary conserved factors with essential functions for embryonic development and adult stem cells. PcG proteins constitute two main multiprotein polycomb repressive complexes (PRC1 and PRC2) that operate in a hierarchical manner to silence gene transcription. Functionally distinct PRC1 complexes are defined by Polycomb group RING finger protein (Pcgf) paralogs. So far, six Pcgf paralogs (Pcgf1-6) have been identified as defining components of different PCR1-type complexes. Paralog-specific functions are not well understood. Here, we show that Pcgf6 is the only Pcgf paralog with high expression in undifferentiated embryonic stem cells (ESCs). Upon differentiation Pcgf6 expression declines. Following Pcgf6 kockdown (KD) in ESCs, the expression of pluripotency genes decreased, while mesodermal- and spermatogenesis-specific genes were derepressed. Concomitantly with the elevated expression of mesodermal lineage markers, Pcgf6 KD ESCs showed increased hemangioblastic and hematopoietic activities upon differentiation suggesting a function of Pcgf6 in repressing mesodermal-specific lineage genes. Consistant with a role in pluripotency, Pcgf6 replaced Sox2 in the generation of germline-competent induced pluripotent stem (iPS) cells. Furthermore, Pcgf6 KD in mouse embryonic fibroblasts reduced the formation of ESC-like colonies in OSKM-driven reprogramming. Together, these analyses indicate that Pcgf6 is nonredundantly involved in maintaining the pluripotent nature of ESCs and it functions in iPS reprogramming.
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Zhao GH, Fang YQ, Ryan U, Guo YX, Wu F, Du SZ, Chen DK, Lin Q. Dynamics of Th17 associating cytokines in Cryptosporidium parvum-infected mice. Parasitol Res 2015; 115:879-87. [PMID: 26593737 DOI: 10.1007/s00436-015-4831-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 11/10/2015] [Indexed: 12/20/2022]
Abstract
Cryptosporidium parvum commonly inhabits the intestinal tract of animals and humans and can cause acute watery diarrhea and weight loss. However, host immune responses to Cryptosporidium infections are not fully understood. IL-17 (also called IL-17A) is a pro-inflammatory cytokine of Th17 cells that plays a role in the host response to Cryptosporidium baileyi infection. The present study examined levels of IL-17-specific messenger RNA (mRNA) and Th17 associating cytokines in C. parvum-infected immune-suppressed BALB/c mice using real-time quantitative PCR (qPCR). Levels of IL-17 protein were determined by ELISA. The results showed that levels of IL-17 mRNA and Th17 cell-related cytokines, namely TGF-β, IL-6, STAT-3, RORγt, IL-22, TNF-α, and IL-23, were significantly increased (P < 0.05) in gut-associated lymphoid tissue (GALT) and spleen. IL-17 protein levels in GALT were also significantly increased (P < 0.05) after infection. The present study suggested that Th17 cells play a role in host-C. parvum interaction. These results could inform future studies of the immune response against C. parvum infection in transient immunosuppressed populations.
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