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1Ten cities cross-sectional questionnaire survey of children asthma and other allergies in China显示文摘Asthma,rhinitis and eczema(allergic or non-allergic)have increased throughout the world during the last decades,especially among children.Changes in the indoor environment are suspected to be important causes.China has experienced a dramatic change in indoor environmental exposures during the past two decades.However,such changes and their associations with children’s asthma and other health aspects have not been thoroughly studied.China,Children,Homes,Health(CCHH),Phase I,was a cross-sectional questionnaire survey of 48219 children 1–8 years old in 10 Chinese cities during 2010–2012.The questionnaire includes the International Study of Asthma and Allergies in Childhood(ISAAC)core health questions and additional questions regarding housing,life habits and outdoor environment.In health analyses,children aged 3–6 years old were included.The prevalences of doctor diagnosed asthma varied from 1.7%to 9.8%(mean 6.8%),a large increase from 0.91%in 1999 and 1.50%in2000.The prevalence of wheeze,rhinitis and atopic eczema(last 12 months)varied from 13.9%to 23.7%,24.0%to 50.8%and4.8%to 15.8%,respectively.Taiyuan had the lowest prevalences of all illnesses and Shanghai the highest,except for wheezewhere the highest value was for Urumqi.We found(1)no obvious association between disease prevalences and ambient PM10concentrations and(2)higher prevalences of disease in humid climates with hot summers and cold winters,but with no centrally heated buildings.Associations between the diseases and economic status as indexed by Gross Domestic Product(GDP)requires further study.ZHANG YinPing LI BaiZhan HUANG Chen YANG Xu QIAN Hua DENG QiHong ZHAO ZhuoHui LI AnGui ZHAO JiaNing ZHANG Xin QU Fang HU Yu YANG Qin WANG Juan ZHANG Ming WANG Fang ZHENG XiaoHong LU Chan LIU ZhiJian SUN YueXia MO JinHan ZHAO YiLi LIU Wei WANG TingTing NORBCK Dan BORNEHAG Carl-Gustaf SUNDELL Jan 2013Chinese Science Bulletin2013,58,34:22
2Hurdles of CAR-T cell-based cancer immunotherapy directed against solid tumors显示文摘Recent reports on the impressive efficacy of chimeric antigen receptor(CAR)-modified T cells against hematologic malignancies have inspired oncologists to extend these efforts for the treatment of solid tumors. Clinical trials of CAR-T-based cancer immunotherapy for solid tumors showed that the efficacies are not as remarkable as in the case of hematologic malignancies. There are several challenges that researchers must face when treating solid cancers with CAR-T cells, these include choosing an ideal target, promoting efficient trafficking and infiltration, overcoming the immunosuppressive microenvironment, and avoiding associated toxicity. In this review, we discuss the obstacles imposed by solid tumors on CAR-T cell-based immunotherapy and strategies adopted to improve the therapeutic potential of this approach. Continued investigations are necessary to improve therapeutic outcomes and decrease the adverse effects of CAR-T cell therapy in patients with solid malignancies in the future.Bing-Lan Zhang Di-Yuan Qin Ze-Ming Mo Yi Li Wei Wei Yong-Sheng Wang Wei Wang Yu-Quan Wei 2016Science China(Life Sciences)2016,59,4:16
3Molecular mechanisms of apoptosis in hepatocellular carcinoma cells induced by ethanol extracts of Solanum lyratum Thumb through the mitochondrial pathway显示文摘AIM To explore the induction effects and mechanism of Solanum lyratum Thumb(ST) on human hepatocellularcarcinoma SMMC-7721 cells through the mitochondrial pathway.METHODS The experiments were conducted on three groups: an experimental group (with ST ethanol extracts' concentration being 2.5, 5 and 10 mg/L), a negative control group (with only nutrient solution, 0 mg/L ST ethanol extracts), and a positive control group (2.5 mg/L DDP). The inhibition rate of cell proliferation was checked by using the methyl thiazolyl tetrazolium method, and cell apoptosis was tested by TUNEL method. Furthermore, RT-PCR was used to examine m RNA expression of Fas, Fas L, caspase-8, caspase-3, p53 and Bcl-2 genes.RESULTS Compared with the negative control group, the inhibition and apoptosis rates of the experimental group with different concentrations of ST extracts on human hepatocellular carcinoma SMMC-7721 cells significantly increased(P<0.05). Besides, the m RNA expression of Fas L and Bcl-2 significantly decreased(P<0.05) while the m RNA expression of Fas, caspase-8, caspase-3 and p53 increased significantly. When compared with the positive control group, the experimental groups with 5 mg/L ST ethanol extracts showed effects similar to the positive control group.CONCLUSION ST ethanol extracts induced the apoptosis of hepatocellular carcinoma SMMC-7721 cells through up-regulated Fas, caspase-8, caspse-3 and p53, and down-regulated Fas L and Bcl-2 in the mitochondrial pathway.Xiao-Qiang Mo Hong-Yu Wei Gan-Rong Huang Ling-Yuan Xu Yu-Li Chen Jiang Qi Wei Xian Yan-Chun Qin Lian-Deng Wei Li-Juan Zhao Yan-Qiang Huang Wei Xing Hong-Qin Pu Peng-Ya Wei Chao-Gan Li Qiu-Chun Liang 2017World Journal of Gastroenterology2017,23,6:14
4Effect of neoadjuvant chemotherapy on expressions of estrogen receptor, progesterone receptor, human epidermal growth factor receptor 2, and Ki-67 in breast cancer显示文摘Qin Qinghong Gao Fangfang Jiang Wei Tan Qixing Mo Qinguo Wei Changyuan 2014Chinese Medical Journal2014,,18:13
5Electroacupuncture at Dazhui(GV14) and Mingmen(GV4) protects against spinal cord injury:the role of the Wnt/β-catenin signaling pathway显示文摘Electroacupuncture at Dazhui(GV14) and Mingmen(GV4) on the Governor Vessel has been shown to exhibit curative effects on spinal cord injury; however, the underlying mechanism remains poorly understood. In this study, we established rat models of spinal cord injury using a modified Allen's weight-drop method. Ninety-nine male Sprague-Dawley rats were randomly divided into three equal groups: sham(only laminectomy), SCI(induction of spinal cord injury at T10), and EA(induction of spinal cord injury at T10 and electroacupuncture intervention at GV14 and GV4 for 20 minutes once a day). Rats in the SCI and EA groups were further randomly divided into the following subgroups: 1-day(n = 11), 7-day(n = 11), and 14-day(n = 11). At 1, 7, and 14 days after electroacupuncture treatment, the Basso, Beattie and Bresnahan locomotor rating scale showed obvious improvement in rat hind limb locomotor function, hematoxylin-eosin staining showed that the histological change of injured spinal cord tissue was obviously alleviated, and immunohistochemistry and western blot analysis showed that Wnt1, Wnt3 a, β-catenin immunoreactivity and protein expression in the injured spinal cord tissue were greatly increased compared with the sham and SCI groups. These findings suggest that electroacupuncture at GV14 and GV4 upregulates Wnt1, Wnt3 a, and β-catenin expression in the Wnt/β-catenin signaling pathway, exhibiting neuroprotective effects against spinal cord injury.Xin Wang Su-hua Shi Hai-jiang Yao Quan-kai Jing Yu-ping Mo Wei Lv Liang-yu Song Xiao-chen Yuan Zhi-gang Li Li-na Qin 2016Neural Regeneration Research2016,11,12:13
6Helicobacter pylori isolates from ethnic minority patients in Guangxi:Resistance rates,mechanisms,and genotype显示文摘AIM:To investigate the rate of Helicobacter pylori(H.pylori)resistance to clarithromycin among ethnic minority patients in Guangxi,explore the underlyingmechanisms,and analyze factors influencing genotype distribution of H.pylori isolates.METHODS:H.pylori strains were isolated,cultured and subjected to drug sensitivity testing.The 23S rRNA gene of H.pylori isolates was amplified by PCR and analyzed by PCR-RFLP and direct sequencing to detect point mutations.REP-PCR was used for genotyping of H.pylori isolates,and NTsys_2 software was used for clustering analysis based on REP-PCR DNA fingerprints.Factors potentially influencing genotype distribution of H.pylori isolates were analyzed.RESULTS:The rate of clarithromycin resistance was31.3%.A2143G and A2144G mutations were detected in the 23S rRNA gene of all clarithromycin-resistant H.pylori isolates.At a genetic distance of 78%,clarithromycin-resistant H.pylori isolates could be divided into six groups.Significant clustering was noted among H.pylori isolates from patients with peptic ulcer or gastritis.CONCLUSION:The rate of clarithromycin resistance is relatively high in ethnic minority patients in Guangxi.Main mechanisms of clarithromycin resistance are A2143G and A2144G mutations in the 23S rRNA gene.Clarithromycin-resistant H.pylori isolates can be divided into six groups based on REP-PCR DNA fingerprints.Several factors such as disease type may influence the genotype distribution of H.pylori isolates.Li-Juan Zhao Yan-Qiang Huang Bing-Pu Chen Xiao-Qiang Mo Zan-Song Huang Xiao-Feng Huang Lian-Deng Wei Hong-Yu Wei Yuan-Hong Chen Hua-Ying Tang Gan-Rong Huang Yan-Chun Qin Xiao-Hua Li Lu-Yao Wang 2014World Journal of Gastroenterology2014,20,16:11
7Major advances in studies of the physical geography and living environment of China during the past 70 years and future prospects显示文摘The natural environment provides material essentials for human survival and development. The characteristics,processes, regional differentiation and forcing mechanisms of the elements of the natural environment(e.g. geomorphology,climate, hydrology, soil, etc.) are the main objects of research in physical geography. China has a complex natural environment and huge regional differentiation and therefore it provides outstanding reserach opportunities in physical geography. This review summarizes the most important developments and the main contributions of research in the physical geography and human living environment in China during the past 70 years. The major topics addressed are the uplift of the Tibetan Plateau and the evolution of its cryosphere, the development of fluvial systems, the acidification of the vast arid region of the Asian interior, variations in the monsoon and westerly climate systems on multiple timescales, the development of lakes and wetlands, the watershed system model, soil erosion, past human-environment interactions, biogeography, and physical geographic zonality. After briefly introducing international research developments, we review the history of research in physical geography in China, focusing on the major achievements and major academic debates, and finally we summarize the status of current research and the future prospects. We propose that in the context of the national demand for the construction of an ecological civilization, we should make full use of the research findings of physical geography, and determine the patterns and mechanisms of natural environmental processes in order to continue to promote the continued contribution of physical geography to national development strategies, and to further contribute to the theory of physical geography from a global perspective.Fahu CHEN Bojie FU Jun XIA Duo WU Shaohong WU Yili ZHANG Hang SUN Yu LIU Xiaomin FANG Boqiang QIN Xin LI Tingjun ZHANG Baoyuan LIU Zhibao DONG Shugui HOU Lide TIAN Baiqing XU Guanghui DONG Jingyun ZHENG Wei YANG Xin WANG Zaijun LI Fei Wang Zhenbo HU Jie WANG Jianbao LIU Jianhui CHEN Wei HUANG Juzhi HOU Qiufang CAI Hao LONG Ming JIANG Yaxian HU Xiaoming FENG Xingguo MO Xiaoyan YANG Dongju ZHANG Xiuhong WANG Yunhe YIN Xiaochen LIU 2019Science China Earth Sciences2019,62,11:11
8Onset of Coronary Heart Disease is Associated with HCMV Infection and Increased CD14^+CD16^+Monocytes in a Population of Weifang,China显示文摘Objective To investigate the relationship between human cytomegalovirus(HCMV)infection and peripheral blood CD14+CD16+monocytes in the pathogenesis of coronary heart disease(CHD),and to elucidate the mechanism of pathogenesis in CHD by analyzing the correlation between infection,inflammation,and CHD,to provide a basis for the prevention,evaluation,and treatment of the disease.Methods In total,192 patients with CHD were divided into three groups:latent CHD,angina pectoris,and myocardial infarction.HCMV-IgM and-IgG antibodies were assessed using ELISA;CD14+CD16+monocytes were counted using a five-type automated hematology analyzer;mononuclear cells were assessed using fluorescence-activated cell sorting;and an automatic biochemical analyzer was used to measure the levels of triglyceride,cholesterol,high-and low-density lipoprotein cholesterols,lipoprotein,hs-CRp and Hcy.Results The positive rates of HCMV-IgM and-IgG were significantly higher in the CHD groups than in the control group.HCMV infection affects lipid metabolism to promote immune and inflammatory responses.Conclusion HCMV infection has a specific correlation with the occurrence and development of CHD.The expression of CD14+CD16+mononuclear cells in the CHD group was increased accordingly and correlated with acute HCMV infection.Thus,HCMV antibody as well as peripheral blood CD14+CD16+mononuclear cells can be used to monitor the occurrence and development of CHD.LI Hong Zheng WANG Qin ZHANG Yi Yuan WANG Jin Dong WU Hong Juan ZHANG Mo Gen LI Ji Chen LIU Zhi Jun 2020Biomedical and Environmental Sciences2020,33,8:8
9Differential gene expression profiling in the developed ovaries between the parthenogenetic and bisexual female rice water weevils,Lissorhoptrus oryzophilus Kuschel(Coleoptera:Curculionidae)显示文摘The rice water weevil,Lissorhoptrus oryzophilus Kuschel(Coleoptera:Curculionidae),reproduces by sex in the Southeastern United States,but reproduces by parthenogenesis in California and other invaded regions in Asia and Europe.The objective of this study was to create a parthenogenetic gene expression profile of the rice water weevil in order to gain a better insight into the molecular mechanisms of parthenogenesis in the weevil.Suppression subtractive hybridization(SSH) technique was employed for profiling differential gene expression in the developed ovary between the parthenogenetic and bisexual female rice water weevils.A total of 70 contigs were obtained,and the BLASTX search identified putatively 28 genes with differential functions.According to the cytological process of parthenogenesis,the tubulin alpha-1 chain and signal transduction genes etc.were selected for real time quantitative RT-PCR analyses,and their possible functions related to the molecular mechanism of parthenogenesis were discussed.The tubulin alpha-1 chain and some signal transduction genes may be related to the molecular mechanisms of parthenogenesis of the rice water weevil.YANG Pu ZHOU WenWu ZHANG Qin CHENG JiaAn ZHU ZengRongx WAY MO 2009Chinese Science Bulletin2009,54,20:8
10Zika virus infection induces RNAi-mediated antiviral immunity in human neural progenitors and brain organoids显示文摘The re-emergence of Zika virus(ZIKV)in the Western Hemisphere has resulted in global public health crisis since 2015.ZIKV preferentially infects and targets human neural progenitor cells(hNPCs)and causes fetal microcephaly upon maternal infection.hNPCs not only play critical roles during fetal brain development,but also persist in adult brain throughout life.Yet the mechanism of innate antiviral immunity in hNPCs remains largely unknown.Here,we show that ZIKV infection triggers the abundant production of virus-derived small interfering RNAs in hNPCs,but not in the more differentiated progenies or somatic cells.Ablation of key RNAi machinery components significantly enhances ZIKV replication in hNPCs.Furthermore,enoxacin,a broad-spectrum antibiotic that is known as an RNAi enhancer,exerts potent anti-ZIKV activity in hNPCs and other RNAi-competent cells.Strikingly,enoxacin treatment completely prevents ZIKV infection and circumvents ZIKV-induced microcephalic phenotypes in brain organoid models that recapitulate human fetal brain development.Our findings highlight the physiological importance of RNAi-mediated antiviral immunity during the early stage of human brain development,uncovering a novel strategy to combat human congenital viral infections through enhancing RNAi.Yan-Peng Xu Yang Qiu Boya Zhang Guilai Chen Qi Chen Miao Wang Fan Mo Jiuyue Xu Jin Wu Rong-Rong Zhang Meng-Li Cheng Na-Na Zhang Bao Lyu Wen-Liang Zhu Meng-Hua Wu Qing Ye Da Zhang Jiang-Hong Man Xiao-Feng Li Jie Cui Zhiheng Xu Baoyang Hu Xi Zhou Cheng-Feng Qin 2019Cell Research2019,29,4:8
113-year Treatment of Tenofovir Alafenamide vs.Tenofovir Disoproxil Fumarate for Chronic HBV Infection in China显示文摘Background and Aims:Tenofovir alafenamide(TAF)has similar efficacy to tenofovir disoproxil fumarate(TDF)but with improved renal and bone safety in chronic hepatitis B patients studied outside of China.We report 3-year results from two phase 3 studies with TAF in China(Clinicaltrials.gov:NCT02836249 and NCT02836236).Methods:Chinese hepatitis B e antigen(HBeAg)-positive and-negative chronic hepatitis B patients with viremia and elevated alanine aminotransferase were randomized 2:1 to TAF or TDF treatment groups and treated in a double-blind fashion for 144 weeks(3 years).Efficacy responses were assessed by individual study while safety was assessed by a pooled analysis.Results:Of the 334 patients(180 HBeAg-positive and 154 HBeAg-negative)randomized and treated,baseline characteristics were similar between groups.The overall mean age was 38 years and 73%were male.The mean HBV DNA was 6.4 log10 IU/mL.The median alanine aminotransferase was 88 U/L,and 37%had a history of antiviral use.At week 144,the proportion with HBV DNA<29 IU/mL was similar among the two groups,with TAF at 83%vs.TDF at 79%,and TAF at 93%vs.TDF at 92%for the HBeAg-positive and-negative patients,respectively.In each study,higher proportions of TAF than TDF patients showed normalized alanine aminotransferase(via the American Association for the Study of Liver Diseases and the China criteria)and showed loss of HBsAg;meanwhile,the HBeAg seroconversion rates were similar.Treatment was well-tolerated among the TAF patients,who showed a smaller median decline in creatinine clearance(−0.4 vs.−3.2 mL/min;p=0.014)and less percentage change in bone mineral density vs.TDF at hip(−0.95%vs.−1.93%)and spine(+0.35%vs.−1.40%).Conclusions:In chronic hepatitis B patients from China,TAF treatment provided efficacy similar to TDF but with better renal and bone safety at 3 years.Jinlin Hou Qin Ning Zhongping Duan You Chen Qing Xie Fu-Sheng Wang Lunli Zhang Shanming Wu Hong Tang Jun Li Feng Lin Yongfeng Yang Guozhong Gong John FFlaherty Anuj Gaggar Shuyuan Mo Cong Cheng Gregory Camus Chengwei Chen Yan Huang Jidong Jia Mingxiang Zhang GS-US-320-0110 and GS-US-320-0108 China Investigators 2021Journal of Clinical and Translational Hepatology2021,9,3:7
12The combination of PD-1 blockade with interferon-αhas a synergistic effect on hepatocellular carcinoma显示文摘Background The efficacy of immune checkpoint inhibitors(ICIs),such as programmed cell death protein-1(PD-1)or its ligand 1(PD-L1)antibody,in hepatocellular carcinoma(HCC)is limited,and it is recommended that they be combined with other therapies.We evaluated the combination of pegylated interferon-α(Peg-IFNα)with PD-1 blockade in HCC mouse models.Methods We analyzed the effects of Peg-IFNαon tumor-infiltrating immune cells and PD-1 expression in the HCC immune microenvironment and examined the underlying mechanism of its unique effect on the PD-1 pathway.The in vivo efficacy of anti-PD-1 and Peg-IFNαwas evaluated in both subcutaneous and orthotopic mouse models of HCC.Results The combination of Peg-IFNαwith PD-1 blockade dramatically enhanced T-cell infiltration,improved the efficacy of PD-1 antibody and prolonged mouse survival compared with PD-1 antibody monotherapy.Mechanistically,Peg-IFNαcould recruit cytotoxic CD8+T cells to infiltrate the HCC microenvironment by inducing tumor cells to secrete the chemokine CCL4.Nevertheless,the HCC microenvironment quickly overcame the immune responses by upregulating PD-1 expression in CD8+T cells via the IFNα-IFNAR1-JAK1-STAT3 signaling pathway.The combination of PD-1 blockade with Peg-IFNαcould restore the cytotoxic capacity of CD8+T cells and exerted a significant synergistic effect on HCC.Conclusion These results indicate that in addition to initiating the antitumor immune response itself,Peg-IFNαcan also generate a microenvironment favoring PD-1 blockade.Thus,the combination of Peg-IFNαand PD-1 blockade can be a promising strategy for HCC.Ying Zhu Mo Chen Da Xu Tian-En Li Ze Zhang Jian-Hua Li Xiang-Yu Wang Xin Yang Lu Lu Hu-Liang Jia Qiong-Zhu Dong Lun-Xiu Qin 2022Cellular & Molecular Immunology2022,19,6:6
13The Role of OsMSH5 in Crossover Formation during Rice Meiosis显示文摘MSH5,傻瓜相当或相同的事物家庭的一个成熟分裂特定的成员,在开始发育的酵母,老鼠, Caenorhabditis elegans,和 Arabidopsis 为再结合的正常水平被要求。这里,我们报导它的米饭相当或相同的事物的鉴定和描述, OsMSH5,并且在米饭表明它的功能成熟分裂。五独立 Osmsh5 异种展出了正常植物的生长和严重绝育。当交叉频率极大地被归结为观察了在那中的约 10% 个时, synaptonemal 建筑群很好在 Osmsh5 被安装野类型,导致相应不分离和完全的无菌的显型。OsMSH5 主要在圆锥花序被表示。Immunofluorescence 研究显示 OsMSH5 chromosomal 本地化限于早 meiotic 前期我。OsMSH5 能在 Oszip4, Osmer3,和 hei10 被装载到 meiotic 染色体上。然而,那些 ZMM 蛋白质不能当 OsMSH5 不在时通常是局部性的。而且,剩余 chiasmata 被显示在 zmm 异种之中最不经常,包括 Osmer3, Oszip4, hei10,和 Osmsh5。一起拿,我们建议 OsMSH5 工作在一级转线路的 OsZIP4, OsMER3,和 HEI10 在上游形成。Qiong Luo Ding Tang MO Wang Weixiong Luo Lei Zhang Baoxiang Qin Yi Shen Kejian Wang Yafei Li Zhukuan Cheng 2013Molecular Plant2013,6,3:5
14Treatment of pulmonary fibrosis in one convalescent patient with corona virus disease 2019 by oral traditional Chinese medicine decoction:A case report显示文摘After one-month of oral treatment with traditional Chinese medicine decoction,without using other drugs,the lung inflammatory exudate,pulmonary fibrosis and quality of life of a 61-year-old female patient with corona virus disease 2019(COVID-19)were significantly improved.No recurrence or deterioration of the patient’s condition was found within seven weeks of treatment and follow-up,and no adverse events occurred,indicating that oral Chinese medicine decoction was able to improve the pulmonary inflammation and fibrosis in a patient recovering from COVID-19,but further research is still needed.Na Zhi Qian Mo Shuo Yang Yuan-xing Qin Hao Chen Zeng-guang Wu Cai-hong Lan Jun Zhang Yin-long Li 2021Journal of Integrative Medicine2021,19,2:4
15A two-layer optimization model for high-speed railway line planning显示文摘Line planning is the first important strategic element in the railway operation planning process,which will directly affect the successive planning to determine the efficiency of the whole railway system.A two-layer optimization model is proposed within a simulation framework to deal with the high-speed railway (HSR) line planning problem.In the model,the top layer aims at achieving an optimal stop-schedule set with the service frequencies,and is formulated as a nonlinear program,solved by genetic algorithm.The objective of top layer is tominimize the total operation cost and unserved passenger volume.Given a specific stop-schedule,the bottom layer focuses on weighted passenger flow assignment,formulated as a mixed integer program with the objective of maximizing the served passenger volume andminimizing the total travel time for all passengers.The case study on Taiwan HSR shows that the proposed two-layer model is better than the existing techniques.In addition,this model is also illustrated with the Beijing-Shanghai HSR in China.The result shows that the two-layer optimization model can reduce computation complexity and that an optimal set of stop-schedules can always be generated with less calculation time.Li WANG Li-min JIA Yong QIN Jie XU Wen-ting MO 2011Journal of Zhejiang University-Science A(Applied Physics & Engineering)2011,12,12:4
16Pelvic lipomatosis with cystitis glandularis managed with cyclooxygenase-2 inhibitor:A case report显示文摘BACKGROUND Pelvic lipomatosis(PL)is a rare benign condition with characteristic overgrowth of histologically benign fat and invasion and compression of pelvic organs,often leading to non-specific lower urinary tract symptoms(LUTS).Approximately 40%of patients with PL have cystitis glandularis(CG).The cause of PL combined with CG is poorly understood,and there is currently no effective treatment.Refractory CG with upper urinary tract obstruction even requires partial or radical bladder resection.CASE SUMMARY In this case,a patient suffering from PL with CG was treated by transurethral resection of bladder tumour(TUR-BT)and oral administration of celecoxib,a selective cyclooxygenase-2(COX-2)inhibitor.The LUTS were alleviated,and the cystoscopy results improved significantly.Immunohistochemistry showed upregulated COX-2 expression in the epithelium of TUR-BT samples,suggesting that COX-2 may participate in the pathophysiological process of PL combined with CG.CONCLUSION We report for the first time that celecoxib may be an effective treatment strategy for PL combined with refractory CG.Li-Cai Mo Song-Zhe Piao Hai-Hong Zheng Tao Hong Qin Feng Mang Ke 2021World Journal of Clinical Cases2021,9,17:4
17Discriminating characters of ore-forming intrusions in the super-large Chalukou porphyry Mo deposit,NE China显示文摘The Chalukou porphyry Mo deposit, located in the Great Hinggan Range, is the largest Mo deposit in northeast China, although the age and genesis of the associated magmatic intrusions remain debated.Here we report zircon U-Pb ages and trace elements, whole rock geochemistry and Sre Nd isotope data with a view to understand the relationship between the magmatism and molybdenum mineralization.Zircon U-Pb analysis yield an age of 475 Ma for rhyolite in the older strata, 168 Ma for the premineralization monzogranite, and 154 Ma for the syn-mineralization granite porphyry. The granite porphyry and quartz porphyry are considered as the ore-forming intrusions. These rocks are peraluminous, alkali-calcic, and belong to high-K to shoshonitic series with a strong depletion of Eu. They also display characteristics of I-type granites. The rocks exhibit wide variations of(87 Sr/86 Sr)iin the range of 0.705426 -0.707363, and ε_(Nd)(t) of -3.7 to 0.93. Zircon REE distribution patterns show characteristics between crust and the mantle, implying magma genesis through crust-mantle interaction. The Fe_2O_3/FeO values(average 1) for the whole rock and EuN/Eu*Nvalues(average 0.45), Ce^(4+)/Ce^(3+) values(average 301)for zircon grains from the granite porphyry are higher than those from other lithologies. These features suggest that the ore-forming intrusions(syn-mineralization porphyry) had higher oxygen fugacity conditions than those of the pre-mineralization and post-mineralization rocks. The Chalukou Mo deposit formed in relation to the southward subduction of the Mongol-Okhotsk Ocean. Our study suggests that the subduction-related setting, crust-mantle interaction, and the large-scale magmatic intrusion were favorable factors to generate the super-large Mo deposits in this area.Peixin Duan Cui Liu Xuanxue Mo Jinfu Deng Jinhua Qin Yu Zhang Shipan Tian 2018Geoscience Frontiers2018,9,5:3
18Low-cost and high-strength Mg-Al-Ca-Zn-Mn wrought alloy with balanced ductility显示文摘A novel low-cost Mg-Al-Ca-Zn-Mn-based alloy was developed to simultaneously improve its strength and ductility.The high yield strength of 411 MPa and the high elongation to failure of~8.9%have been achieved in the as-extruded Mg-1.3Al-1.2Ca-0.5Zn-0.6Mn(wt%)sample.Microstructure characterizations showed that the high strength is mainly associated with the ultra-fined dynamically recrystallized(DRXed)grains.Moreover,high-density dislocations in the un-DRXed region and nano-precipitates are distributed among theα-Mg matrix.The high ductility property can be ascribed to the high volume fraction of DRXed grains with a much randomized texture,as well as the formations of high-density subgrains in the un-DRXed grain regions.Kun Yang Hucheng Pan Sen Du Man Li Jingren Li Hongbo Xie Qiuyan Huang Huajun Mo Gaowu Qin 2022International Journal of Minerals,Metallurgy and Materials2022,29,7:3
19THE SINGULARLY PERTURBED NONLINEAR ELLIPTIC SYSTEMS显示文摘The singularly perturbed problems for elliptic systems are considered. Undersuitable conditions, using the comparison theorem the asymptotic behavior of solution forthe boundary value problems are studied.YE Qin(Tongji University, Shanghai 200092, China)MO Jiaqi(Anhui Normal University Wuhu 241000, China) 1999Systems Science and Mathematical Sciences1999,12,4:2
20Effects of Application of Cassava Alcohol Anaerobic Fermentation Liquid and Mulching of Film on Overwintering and Next Year's Growth and Yield of Banana显示文摘The effects of application of cassava alcohol anaerobic fermentation liquid and mulching of film on overwintering and next year's growth and yield of banana were investigated in this study.The results showed that the application of cassava alcohol anaerobic fermentation liquid with COD concentration of 1 200-2 000 mg/L(900 m^3/hm^2) and mulching of film significantly increased the soil organic matter and available potassium contents in banana orchard,improved the cold resistance of banana seedlings,increased the pseudostem height,pseudostem circumference,green leaf number and chlorophyll content of next year's banana seedlings,brought the flower bud emergence period and harvest period forward,and significantly increased the yield per plant.Yunchuan MO Yingyi DENG Xu ZHENG Yixin YE Ganhui MO Minzheng WEI Weiliu LI Feng LI Jiechun PAN Chanchan QIN Meiling SU Yao FU 2016Agricultural Science & Technology2016,17,7:2
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