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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
2Gear geometry of cycloid drives显示文摘According to differential geometry and gear geometry, the equation of meshing for small teeth difference planetary gearing and a universal equation of conjugated profile are established based on cylindrical pin tooth and given motion. The correct meshing condition, contact line, contact ratio, calculating method for pin tooth's maximum contact point are developed. Investigation on the theory of conjugated meshing is carried out when the tooth difference numbers between pin wheel and cycloidal gear are 1, 2, 3 and ?1, respectively. A general method called enveloping method to generate hypocycloid and epicycloid is put forward. The correct meshing condition for cycloid pin wheel gearing is provided, and the contact line and the contact ratio are also discussed.CHEN BingKui FANG TingTing LI ChaoYang WANG ShuYan 2008Science China(Technological Sciences)2008,51,5:18
3Chemical and optical properties of aerosols and their interrelationship in winter in the megacity Shanghai of China显示文摘A field campaign on air quality was carried out in Shanghai in winter of 2012. The concentrations of NO, NO2, NOx, SO2, CO, and PM2.5increased during haze formation. The average masses of SO42-, NO3-and NH4+were 10.3, 11.7 and 6.7 μg/m3 during the haze episodes, which exceeded the average(9.2, 7.9, and 3.4 μg/m3) of these components in the non-haze days. The mean values for the aerosol scattering coefficient(b sp), aerosol absorption coefficient(b ap) and single scattering albedo(SSA) were 288.7, 27.7 and0.91 Mm-1, respectively. A bi-peak distribution was observed for the mass concentrations of CO, NO, NO2, and NOx. More sulfate was produced during daytime than that in the evening due to photochemical reactions. The mass concentration of NH4+achieved a small peak at noontime. NO3-showed lower concentrations in the afternoon and higher concentrations in the early morning. There were obvious bi-peak diurnal patterns for b sp and b ap as well as SSA. b sp and b ap showed a positive correlation with PM2.5mass concentration.(NH4)2SO4, NH4NO3, organic mass, elemental carbon and coarse mass accounted for 21.7%, 19.3%, 31.0%, 9.3% and 12.3% of the total extinction coefficient during non-haze days, and 25.6%, 24.3%, 30.1%, 8.1% and 8.2% during hazy days. Organic matter was the largest contributor to light extinction. The contribution proportions of ammonium sulfate and ammonium nitrate to light extinction were significantly higher during the hazy time than during the non-haze days.Tingting Han Liping Qiao Min Zhou Yu Qu Jianfei Du Xingang Liu Shengrong Lou Changhong Chen Hongli Wang Fang Zhang Qing Yu Qiong Wu 2015Journal of Environmental Sciences2015,27,1:14
4GSA:Genome Sequence Archive显示文摘With the rapid development of sequencing technologies towards higher throughput and lower cost, sequence data are generated at an unprecedentedly explosive rate. To provide an efficient and easy-to-use platform for managing huge sequence data, here we present Genome Sequence Archive(GSA; http://gffzzdbc7b6aaae734bddhkv6nv5f0vqob6kpf.ffgz.tsg.suse.edu.cn/gsa or http://gffzz4eaf941a184140e3hkv6nv5f0vqob6kpf.ffgz.tsg.suse.edu.cn), a data repository for archiving raw sequence data. In compliance with data standards and structures of the International Nucleotide Sequence Database Collaboration(INSDC), GSA adopts four data objects(Bio Project, Bio Sample,Experiment, and Run) for data organization, accepts raw sequence reads produced by a variety of sequencing platforms, stores both sequence reads and metadata submitted from all over the world,and makes all these data publicly available to worldwide scientific communities. In the era of big data, GSA is not only an important complement to existing INSDC members by alleviating the increasing burdens of handling sequence data deluge, but also takes the significant responsibility for global big data archive and provides free unrestricted access to all publicly available data in support of research activities throughout the world.Yanqing Wang Fuhai Song Junwei Zhu Sisi Zhang Yadong Yang Tingting Chen Bixia Tang Lili Dong Nan Ding Qian Zhang Zhouxian Bai Xunong Dong Huanxin Chen Mingyuan Sun Shuang Zhai Yubin Sun Lei Yu Li Lan Jingfa Xiao Xiangdong Fang Hongxing Lei Zhang Zhang Wenming Zhao 2017Genomics, Proteomics & Bioinformatics2017,15,1:13
5Arginine, N-carbamylglutamate,and glutamine exert protective effects against oxidative stress in rat intestine显示文摘The objective of the current study is to evaluate the effects of dietary supplementation with arginine(ARG), N-carbamylglutamate(NCG), and glutamine(GLN) on rat intestinal morphology and antioxidant status under oxidative stress. Rats were fed for 30 d with one of the following iso-nitrogenous diets:basal diet(BD), BD plus 1% ARG, BD plus 0.1% NCG, and BD plus 1% GLN. On day 28, half of the rats fed BD were intraperitoneally injected with 12 mg/kg body weight of diquat(DT; i.e., the DT group) and the other half was intraperitoneally injected with sterile solution(i,e., the control group). The other diet groups were intraperitoneally injected with 12 mg/kg body weight of DT(i,e., DT + 1% GLN [DT + GLN],DT + 1% ARG [DT + ARG], and DT + 0.1% NCG [DT + NCG]). Rat jejunum samples obtained at 48 h after DT injection were analyzed. Results showed that DT significantly decreased catalase(CAT) activity and glutathione(GSH) content by 58.25% and 56.57%, respectively, and elevated malondialdehyde(MDA)content and crypt depth(CD) by 19.39% and 22.13%, respectively, in the jejunum(P < 0.05, relative to the control group). Compared with the DT group, the DT + GLN group exhibited significantly improved villus height(VH), villus width(VW), villus surface area(VSA), CD and total antioxidant capacity(T-AOC) activity(P < 0.05); the DT + ARG group exhibited significantly increased the ratio of VH to CD(H:D) and TAOC activity(P < 0.05); the DT + GLN, DT + ARG and DT + NCG groups exhibited significantly enhanced CAT activity and GSH content as well as decreased MDA content(P < 0.05). Moreover, VH, VW, VSA, CD and GSH content in the DT + GLN group were higher whereas MDA content was lower compared with the corresponding values observed in both the DT + ARG and the DT + NCG groups(P < 0.05). The H:D ratio in the DT + ARG group significantly increased compared with that in the DT + NCG and DT + GLN groups(P < 0.05). Collectively, this study suggested that dietary supplementation with 1% GLN, 0.1% NCG,and 1% ARG was effective in enhancing the antioxidant status and maintaining the morphological structure of rat jejunum under oxidative stress; of these supplements, 1% GLN exerted the greatest effects on mitigating oxidative stress.Liang Xiao Wei Cao Guangmang Liu Tingting Fang Xianjian Wu Gang Jia Xiaoling Chen Hua Zhao Jing Wang Caimei Wu Jingyi Cai 2016Animal Nutrition2016,,3:12
6The Epitope Study on the SARS-CoV Nucleocapsid Protein显示文摘The nucleocapsid protein (N protein) has been found to be an antigenic protein in a number of coronaviruses. Whether the N protein in severe acute respiratory syndrome-associated coronavirus (SARS-CoV) is antigenic remains to be elucidated. Using Western blot and Enzyme-linked Immunosorbent Assay (ELISA),the recombinant N proteins and the synthesized peptides derived from the N protein were screened in sera from SARS patients. All patient sera in this study displayed strong positive immunoreactivities against the recombinant N proteins,whereas normal sera gave negative immunoresponses to these proteins, indicating that the N protein of SARS-CoV is an antigenic protein. Furthermore, the epitope sites in the N protein were determined by competition experiments, in which the recombinant proteins or the synthesized peptides competed against the SARS-CoV proteins to bind to the antibodies raised in SARS sera. One epitope site located at the C-terminus was confirmed as the most antigenic region in this protein. A detailed screening of peptide with ELISA demonstrated that the amino sequence from Codons 371 to 407 was the epitope site at the C-terminus of the N protein. Understanding of the epitope sites could be very significant for developing an effective diagnostic approach to SARS.Shuting Li, Liang Lin, Hao Wang, Jianning Yin, Yan Ren, Zhe Zhao, Jie Wen, Cuiqi Zhou, Xumin Zhang, Xiaolei Li, Jingqiang Wang, Zhengfeng Zhou, Jinxiu Liu, Jianmin Shao, Tingting Lei, Jianqiu Fang, Ningzhi Xu, and Siqi LiuBeijing Genomics Institute, Chinese Academy of Sciences, Beijing 101300, China & Beijing Proteomics Institute, Beijing 101300, China 2003Genomics, Proteomics & Bioinformatics2003,1,3:9
7C/EBPα regulates SIRT1 expression during adipogenesis显示文摘SIRT1 在 adipogenesis 起一个重要作用,但是 SIRT1 怎么在 adipogenesis 被调整,大部分是未知的。在这研究,我们证明 SIRT1 蛋白质和 mRNA 层次与 CCAAT/enhancer-binding 蛋白质伪一起被增加(C/EBP 伪) 在 adipocyte 区别期间。C/EBP 伪,然而并非 C/EBP 伪 p 30,在 HeLa 房间和 3T3-L1 的激活的 SIRT1 倡导者 preadipocytes。而且, C/EBP 伪 upregulated SIRT1 mRNA 和蛋白质在 Soas2 房间以一种 p53 独立的方式在 HeLa 铺平房间和增加的 SIRT1 表示。在 preadipocytes, C/EBP 伪 upregulated SIRT1 蛋白质水平的宫外的表示并且导致的 C/EBP 伪击倒 SIRT1 的减少蛋白质水平。而且由倡导者删除分析,胶化移动试金和染色质 immunoprecipitation,我们发现了那 C/EBP,伪在一个一致 C/EBP 伪绑定地点跳了到 SIRT1 倡导者。这些数据证明那 C/EBP 伪在 adipogenesis 期间调整 SIRT1 表示由对 SIRT1 倡导者直接有约束力。Qihuang Jin Fang Zhang Tingting Yan Zhen Liu Chunxi Wang Xinjian Ge Qiwei Zhai 2010Cell Research2010,20,4:8
8Transcriptome analysis of blood stasis syndrome in subjects with hypertension显示文摘OBJECTIVE:To screen for m RNAs associated with blood stasis syndrome and to explore the genetic mechanisms of blood stasis syndrome in hypertension.METHODS:This study involved groups of patients with hypertension and blood stasis,including those with Qi deficiency,Qi stagnation,cold retention and heat retention;as well as hypertensive patients without blood stasis and healthy individuals.Human umbilical vein endothelial cells were co-cultured with the sera of these healthy individuals and patients with blood stasis syndrome.Total RNA was extracted from these cells and assessed by a high-throughput sequencing method(Solexa)and digital gene expression.Differentially expressed genes among these six groups were compared using whole genome sequences,and m RNAs associated with blood stasis syndrome identified.Differences in gene use and gene ontology function were an-alyzed.Genes enriched significantly and their pathways were determined,as were network interactions,and encoded proteins.Gene identities were confirmed by real-time polymerase chain reactions.RESULTS:Compared with cells cultured in sera of the blood stasis groups,those culture in sera of healthy individuals and of the non-blood stasis group showed 11 and 301 differences,respectively in stasis-related genes.Genes identified as differing between the blood stasis and healthy groups included activating transcription factor 4,activating transcription factor 3,DNA-damage inducible transcription factor 3,Tribbles homolog 3,CCAAT/enhancer binding protein-β,and Jun proto-oncogene(JUN).Pathway and protein interaction network analyses showed that these genes were associated with endoplasmic reticulum stress.Cells cultured in sera of patients with blood stasis and Qi deficiency,Qi stagnation,heat retention,and cold retention were compared with cells cultured in sera of patients with the other types blood stasis syndrome.The comparison showed differences in expression of 28,28,34,and 32 specific genes,respectively.CONCLUSION:The pathogenesis of blood stasis syndrome in hypertension is related to endoplasmic reticulum stress and involves the differential expression of the activating transcription factor 4,activating transcription factor 3,DNA-damage inducible transcription factor 3,Tribbles homolog 3,CCAAT/enhancer binding protein-β,and JUN genes.He Ling Fang Meixia Chen Liguo Zhou Jianhua Yuan Jing Xu Jing Shan Yan Xu Qingyun Xiong Tingting 2016Journal of Traditional Chinese Medicine2016,36,2:7
9Effect of electroacupuncture on chemotherapy-induced peripheral neuropathy in patients with malignant tumor:a single-blinded,randomized controlled trial显示文摘OBJECTIVE:To evaluate the effect of electroacupuncture on chemotherapy-induced peripheral neuropathy(CIPN), quality of life and immune status of patients with malignant tumors.METHODS:From Jan, 2013 to May, 2014, 37 patients with malignant tumors were included in this prospective single-blinded study, and randomized to receive either electroacupuncture or acupuncture treatment on basis of chemotherapy.The chemotherapy was continued for 2 courses as previous before the treatments, with 21 days as a course of treatment.Patients received acupuncture and electroacupuncture once per day starting at the day before chemotherapy for consecutive 7 days followed by 14 days off, with 21 days as a course of treatment, and continued for two courses of treatment.Then CIPN, traditional Chinese clinical symptoms,quality of life and immune status were all evaluated for each patient prior treatment and after two courses of treatment.RESULTS:The gender, age, cancer species as well as incidence(83.3% vs 84.2%) and grades of CIPN before treatments were all similar in patients receiving acupuncture or electroacupuncture(all P >0.05).After treatments, most patients with peripheral neuropathy were cured by two courses of electroacupuncture(84.2% vs 21.1%), whereas the other group of patients had similar incidences of peripheral neuropathy compared with prior-acupuncture(83.3% vs 72.2%).Besides, patients receiving electroacupuncture had lower incidence of peripheral neuropathy than those receiving acupuncture treatment(χ~2= 9.745, P = 0.002).The grades of peripheral neuropathy were significantly different in the two groups post-treatment(χ~2= 13.983, P =0.007).The total effective rates for traditional Chinese clinical symptoms were 16.7% and 84.2% in acupuncture and electroacupuncture groups, respectively(Z =-4.239, P < 0.001).The electroacupuncture treatment provided a more satisfactory life for patients compared with acupuncture(Z =-4.76, P < 0.001).Both electroacupuncture and acupuncture had no effects on immune function.CONCLUSION:Electroacupuncture could alleviate CIPN, and improve traditional Chinese clinical symptoms and quality of life, but did not affect immune function.Zhang Shiqiang Wu Tingting Zhang Haisheng Yang Yun Jiang Haiyan Cao Shengcheng Xie Fang Xia Xiaoting Lü Junqiang Zhong Yi 2017Journal of Traditional Chinese Medicine2017,37,2:7
10Occurrence of antibiotic resistance genes and bacterial pathogens in water and sediment in urban recreational water显示文摘The emergence and prevalence of antibiotic resistance genes(ARGs) and pathogens in the environment are serious global health concern. However, information about the occurrence of ARGs and pathogens in recreational water is still limited. Accordingly, we investigated the occurrence of six ARGs and human pathogens in three recreational lakes, and the correlations between ARGs and one mobile genetic element(intI1) were analyzed. The quantitative PCR results showed that the concentration of ARGs ranged from 4.58 × 10~0 to 5.0 × 10~5 copies/mL in water and from 5.78 × 10~3 to 5.89 × 10~8 copies/g dry weight(dw)in sediment. Sul1 exhibited the highest level among the five quantifiable ARGs. The concentrations of sul1, bla_(-TEM), and tetX exhibited significant positive correlations with intI1(p < 0.05), indicating that intI1 may be involved in their proliferation. The detection frequencies of ARGs ranged from 75%–10~0%, indicating the prevalence of these risks in this region. The concentration of Escherichia coli, Aeromonas spp., Mycobacterium avium,Pseudomonas aeruginosa, and Salmonella enterica ranged from 10~3 to 10~5 copies/10~0 mL in water and 10~4–10~6 copies/g dw in sediment. In total, 25% of the samples harbored all pathogen genes, indicating the prevalence of these pathogens in recreational lakes.Furthermore, the next-generation sequencing results showed that 68 genera of pathogens were present, among which Aeromonas, Mycobacterium, and Pseudomonas were the dominant ones in this region, posing a considerable potential health risk to public health. Overall, the widespread distribution of ARGs and pathogens underscores the need to better monitor and mitigate their propagation in recreational lakes and the associated risks to human health.Peiyan Dong Qijia Cui Tingting Fang Yong Huang Hui Wang 2019Journal of Environmental Sciences2019,31,3:6
11Effect of salinity on community structure and naphthalene dioxygenase gene diversity of a halophilic bacterial consortium显示文摘Tingting Fang Ruisong Pan Jing Jiang Fen He Hui Wang 2016Frontiers of Environmental Science & Engineering2016,10,6:5
12Evaluation of bacterial pathogen diversity,abundance and health risks in urban recreational water by amplicon next-generation sequencing and quantitative PCR显示文摘The microbial quality of urban recreational water is of great concern to public health.The monitoring of indicator organisms and several pathogens alone is not sufficient to accurately and comprehensively identify microbial risks.To assess the levels of bacterial pathogens and health risks in urban recreational water,we analyzed pathogen diversity and quantified four pathogens in 46 water samples collected from waterbodies in Beijing Olympic Forest Park in one year.The pathogen diversity revealed by 16 S r RNA gene targeted next-generation sequencing(NGS) showed that 16 of 40 genera and 13 of 76 reference species were present.The most abundant species were Acinetobacter johnsonii,Mycobacterium avium and Aeromonas spp.Quantitative polymerase chain reaction(q PCR) of Escherichia coli(uid A),Aeromonas(aer A),M.avium(16S r RNA),Pseudomonas aeruginosa(oaa) and Salmonella(inv A) showed that the aer A genes were the most abundant,occurring in all samples with concentrations of 10^(4–6) genome copies/100 m L,followed by oaa,inv A and M.avium.In total,34.8% of the samples harbored all genes,indicating the prevalence of these pathogens in this recreational waterbody.Based on the q PCR results,a quantitative microbial risk assessment(QMRA) showed that the annual infection risks of Salmonella,M.avium and P.aeruginosa in five activities were mostly greater than the U.S.EPA risk limit for recreational contacts,and children playing with water may be exposed to the greatest infection risk.Our findings provide a comprehensive understanding of bacterial pathogen diversity and pathogen abundance in urban recreational water by applying both NGS and q PCR.Qijia Cui Tingting Fang Yong Huang Peiyan Dong Hui Wang 2017Journal of Environmental Sciences2017,29,7:5
13Ultra-high-Q resonances in terahertz all-silicon metasurfaces based on bound states in the continuum显示文摘High-Q metasurfaces have important applications in high-sensitivity sensing,low-threshold lasers,and nonlinear optics due to the strong local electromagnetic field enhancements.Although ultra-high-Q resonances of bound states in the continuum(BIC)metasurfaces have been rapidly developed in the optical regime,it is still a challenging task in the terahertz band for long years because of absorption loss of dielectric materials,design,and fabrication of nanostructures,and the need for high-signal-to-noise ratio and high-resolution spectral measurements.Here,a polarization-insensitive quasi-BIC resonance with a high-Q factor of 1049 in a terahertz all-silicon metasurface is experimentally achieved,exceeding the current highest record by 3 times of magnitude.And by using this ultra-high-Q metasurface,a terahertz intensity modulation with very low optical pump power is demonstrated.The proposed all-silicon metasurface can pave the way for the research and development of high-Q terahertz metasurfaces.PENGFEI WANG FENGYAN HE JIANJUN LIU FANGZHOU SHU BIN FANG TINGTING LANG XUFENG JING ZHI HONG 2022Photonics Research2022,10,12:4
14Honokiol: an effective inhibitor of tumor necrosis factor-α-induced up-regulation of inflammatory cytokine and chemokine production in human synovial fibroblasts显示文摘在这研究,我们调查了在肿瘤坏死因素(TNF ) 位于 honokiol 的反煽动性的效果下面的机制 -- 刺激风湿性关节炎 synovial 成纤维细胞(RASF ) 。RASF 与 honokiol (020 M ) 预先对待与 TNF-(20 ng/ml ) 被刺激。前列腺素 E2 ( PGE2 )的层次,氮的氧化物(没有),可溶的细胞间的粘附 molecule-1 ( sICAM-1 ),转变生长 factor-1 ( TGF-1 ),单核白血球趋化性的 protein-1 ( MCP-1 ),并且巨噬细胞在上层清液的煽动性的 protein-1 ( MIP-1 )被连接酶的 immunosorbent 试金( ELISA )和 Griess 试金决定。另外, cyclooxygenase-2 (COX-2 ) 的蛋白质表示层次,可诱导的氮的氧化物 synthase (iNOS ) ,和 phosphorylated Akt,原子因素 kappa B (NFB ) ,和细胞外的调整信号的 kinase (英皇家空军之阶级最低之兵) 1/2 被西方的污点决定。NFBp65 的表示被 immunocytochemical 分析估计。TNF- 处理显著地起来调整 PGE2 的层次,不在 RASF 的上层清液的 sICAM-1, TGF-1, MCP-1,和 MIP-1,在 RASF 增加了 Akt, IB- , NFB,和 ERK1/2 的 COX-2, iNOS,和导致的 phosphorylation 的蛋白质表示。TNF -- 这些分子的导致的表示被预告的处理与 honokiol 以一种剂量依赖者方式禁止。在 NFBp65 活动的 honokiol 的禁止的效果被 immunocytochemical 分析也证实。在结论, honokiol 是 TNF 的一个潜在的禁止者 -- 在 RASF 导致了煽动性的因素的表示,抓住作为潜在的反煽动性的药答应它。Jie Li Xueting Shao Lijuan Wu Tingting Feng Changzhong Jin Meixin Fang Nanping Wu Hangping Yao 2011Acta Biochimica et Biophysica Sinica2011,43,5:4
15A donepezil/cyclodextrin complexation orodispersible film: Effect of cyclodextrin on taste-masking based on dynamic process and in vivo drug absorption显示文摘The aim of this study was to develop a palatable donepezil(DP) orodispersible film(ODF)to facilitate the swallowing process and investigate the effect of cyclodextrin on tastemasking based on dynamic process and in vivo drug absorption. Complexation of DP with hydroxypropyl-β-cyclodextrin(HP-β-CD) was applied to mask the bitter taste then the prepared complexes were incorporated into ODF using solvent casting method. The tastemasking efficiency was evaluated by e-tongue; meanwhile the pharmacokinetic behavior of DP/HP-β-CD ODF was investigated by in vivo study. Results showed the optimized film was more palatable than donepezil hydrochloride(DH) film and was bioequivalent with DH. The molecular mechanism was revealed by phase solubility study, Fourier-transform infrared spectrometer(FT-IR), Differential scanning calorimeter(DSC), X-ray diffraction(XRD) and molecular modeling. Taste-masking was attributed to the formation of DP/HP-β-CD which was due to moderate interaction between DP and HP-β-CD. The stability of DP/HP-β-CD was decreased because of the acid environment in stomach, which facilitated the absorption of DP. These results extended our understanding about the application of cyclodextrin complexation and provided guidance for the design of ODF especially for drugs with disgusting taste.Tingting Liu Xiaocao Wan Zheng Luo Chao Liu Peng Quan Dongmei Cun Liang Fang 2019Asian Journal of Pharmaceutical Sciences2019,14,2:3
16Fusobacterium nucleatum enhances the efficacy of PD-L1 blockade in colorectal cancer显示文摘Given that only a subset of patients with colorectal cancer(CRC)benefit from immune checkpoint therapy,efforts are ongoing to identify markers that predict immunotherapeutic response.Increasing evidence suggests that microbes influence the efficacy of cancer therapies.Fusobacterium nucleatum induces different immune responses in CRC with different microsatellite-instability(MSI)statuses.Here,we investigated the effect of F.nucleatum on anti-PD-L1 therapy in CRC.We found that high F.nucleatum levels correlate with improved therapeutic responses to PD-1 blockade in patients with CRC.Additionally,F.nucleatum enhanced the antitumor effects of PD-L1 blockade on CRC in mice and prolonged survival.Combining F.nucleatum supplementation with immunotherapy rescued the therapeutic effects of PD-L1 blockade.Furthermore,F.nucleatum induced PD-L1 expression by activating STING signaling and increased the accumulation of interferon-gamma(IFN-γ)^(+)CD8^(+)tumor-infiltrating lymphocytes(TILs)during treatment with PD-L1 blockade,thereby augmenting tumor sensitivity to PD-L1 blockade.Finally,patient-derived organoid models demonstrated that increased F.nucleatum levels correlated with an improved therapeutic response to PD-L1 blockade.These findings suggest that F.nucleatum may modulate immune checkpoint therapy for CRC.Yaohui Gao Dexi Bi Ruting Xie Man Li Jing Guo Hu Liu Xianling Guo Juemin Fang Tingting Ding Huiyuan Zhu Yuan Cao Meichun Xing Jiayi Zheng Qing Xu Qian Xu Qing Wei Huanlong Qin 2021Signal Transduction and Targeted Therapy2021,6,12:3
17SIRT1 Improves Insulin Sensitivity under Insulin-Resistant Conditions by Repressing PTP1B显示文摘Cheng Sun Fang Zhang Xinjian Ge Tingting Yan Xingmiao Chen Xianglin Shi Qiwei Zhai 2007Cell Metabolism2007,,4:3
18Molecular characterization of methanogenic microbial communities for degrading various types of polycyclic aromatic hydrocarbon显示文摘Knowledge on methanogenic microbial communities associated with the degradation of polycyclic aromatic hydrocarbons(PAHs)is crucial to developing strategies for PAHs bioremediation.In this study,the linkage between the type of PAHs and microbial community structure was fully investigated through 16 S rRNA gene sequencing on four PAH-degrading cultures.Putative degradation products were also detected.Our results indicated that naphthalene(Nap)/2-methylnaphthalene(2-Nap),phenanthrene(Phe)and anthracene(Ant)sculpted different microbial communities.Among them,Nap and 2-Nap selected for similar degrading bacteria(i.e.,Alicycliphilus and Thauera)and methanogens(Methanomethylovorans and Methanobacterium).Nap and 2-Nap were probably activated via carboxylation,producing 2-naphthoic acid.In contrast,Phe and Ant shaped different bacterial and archaeal communities,with Arcobacter and Acinetobacter being Phe-degraders and Thiobacillus Ant-degrader.Methanogenic archaea Methanobacterium and Methanomethylovorans predominated Phe-degrading and Ant-degrading culture,respectively.These findings can improve our understanding of natural PAHs attenuation and provide some guidance for PAHs bioremediation in methanogenic environment.Quanhui Ye Chengyue Liang Xunwen Chen Tingting Fang Yun Wang Hui Wang 2019Journal of Environmental Sciences2019,31,12:3
19Effect of herb-partitioned moxibustion on dopamine levels and dopamine receptor 1 expression in the colon and central nervous system in rats with Crohn’s disease显示文摘OBJECTIVE:To observe the effect of herb-partitioned moxibustion at the Tianshu (ST 25) and Qihai (CV 6) acupoints in rats with Crohn's disease,and explore the underlying mechanism from dopamine (DA) and dopamine receptor 1 (D1 R) in the colon,spinal dorsal horn and hypothalamus.METHODS:The rats were randomly divided into the normal,model (CD),herb-partitioned moxibustion (Mox) and mesalazine (Mesa) groups.Damage in the colons was scored and observed by hematoxylin and eosin staining.DA and D1R protein expression in the colonic mucosa were detected by immunohistochemistry.The concentrations of DA and D1R in the spinal dorsal horn and hypothalamus were measured by enzyme-linked immunosorbent assay,and D1R mRNA expression was evaluated by quantitative real-time polymerase chain reaction.RESULTS:In the colon,compared with the normal group,DA,D1 R protein expressions and D1 R mRNA expression were significantly higher in the model group,while decreased in the Mox group and the Mesa group.In the spinal dorsal horn and hypothalamus,compared with the normal group,the concentrations of DA and D1 R,and the D1R mRNA expressions were significantly higher in the model group,and decreased in the Mox group and the Mesa group.CONCLUSION:Herb-partitioned moxibustion at the Tianshu (ST 25) and Qihai (CV 6) acupoints relieved ulceration in CD rats,the underlying mechanism maybe relative with the regulation of DA and D1R in the colon,spinal dorsal horn and hypothalamus by moxibustion.Lu Yuan Zheng Handan Lü Tingting Ma Zhe Wu Huangan Xu Manwen Weng Zhijun Feng Hui Zhang Fang Ding Guanghong Wu Luyi Liu Huirong 2019Journal of Traditional Chinese Medicine2019,39,3:3
20Semantic Knowledge Acquisition from Blogs with Tag-Topic Model显示文摘This paper focuses on semantic knowledge acquisition from blogs with the proposed tag-topic model.The model extends the Latent Dirichlet Allocation(LDA) model by adding a tag layer between the document and the topic.Each document is represented by a mixture of tags;each tag is associated with a multinomial distribution over topics and each topic is associated with a multinomial distribution over words.After parameter estimation,the tags are used to describe the underlying topics.Thus the latent semantic knowledge within the topics could be represented explicitly.The tags are treated as concepts,and the top-N words from the top topics are selected as related words of the concepts.Then PMI-IR is employed to compute the relatedness between each tag-word pair and noisy words with low correlation removed to improve the quality of the semantic knowledge.Experiment results show that the proposed method can effectively capture semantic knowledge,especially the polyseme and synonym.He Tingting Li Fang 2012China Communications2012,9,3:3
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