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https://www.readbyqxmd.com/read/28444157/risk-of-congenital-syphilis-following-treatment-of-maternal-syphilis-results-of-a-congenital-syphilis-control-program-in-china
#1
Fu-Chang Hong, Xiao-Bing Wu, Fan Yang, Li-Na Lan, Yang Guan, Chun-Lai Zhang, Tie-Jian Feng, Ying-Zhou Yang, Yue-Ping Yin, Wei-Ye Yu, Xiang-Sheng Chen
Background.: Early screening for syphilis among pregnant women and the effective treatment of maternal syphilis is fundamental to prevent congenital syphilis (CS). Methods.: We obtained data from the Shenzhen Program for Prevention of Congenital Syphilis (SPPCS) and estimated incidence rates of CS among infants born to syphilis-seropositive women treated with different regimens or untreated for maternal syphilis. Results.: 4746 matched cases of syphilis-seropositive mothers and their infants were included for analyses and 162 infants were diagnosed with CS, providing an overall incidence of 3...
April 21, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28437972/integration-of-bow-tie-plasmonic-nano-antennas-on-tapered-fibers
#2
Abdul Khaleque, Evgeny G Mironov, Jonas H Osório, Ziyuan Li, Cristiano M B Cordeiro, Liming Liu, Marcos A R Franco, Jong-Leng Liow, Haroldo T Hattori
In this article, a new and flexible approach to control the electric field enhancement of bow-tie nano-antennas by integrating them on the lateral of a tapered optical fiber is proposed. The device is driven by a Q-switched laser and the performance of a fabricated nano-antenna in a quartz slide is tested by a Surface Enhanced Raman Scattering (SERS) experiment. A refractive index sensing experiment is also performed and a sensitivity of (240 ± 30) nm/RIU is found in the 1.33-1.35 index range.
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28436323/new-germplasms-of-the-culinary-medicinal-button-mushroom-agaricus-bisporus-agaricomycetes-two-wild-strains-from-the-tibetan-plateau-china
#3
Bin-Bin Li, Si-Ping Jiang, Ai-Guo Xu, Phurbu Dorji, Wen-Jing Wang, Xiao-Liang Wang, Tie-Zheng Wei, Zu-Tang Zhang, Yi-Jian Yao
Agaricus bisporus is one of the most important commercially cultivated culinary-medicinal mushrooms worldwide. In China, most of the cultivated strains of the fungus were introduced from other countries and cultivated in the eastern provinces. In this study, 2 wild strains of A. bisporus, 2091 and 2094, isolated from fresh specimens collected from the Tibetan Plateau, were domesticated and cultivated alongside a commercial hybrid strain, As2796, in Lhasa, China, for comparison in order to provide new germplasms for cultivation...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28434817/the-protective-effect-of-hyperoside-on-carbon-tetrachloride-induced-chronic-liver-fibrosis-in-mice-via-upregulation-of-nrf2
#4
Liyi Zou, Shaoru Chen, Li Li, Tie Wu
CONTEXT: Hyperoside was used to treat cardiovascular disease for many years in China. It was shown great effect on regulation of lipid metabolism. But there is lack of reports about the effects of hyperoside on liver diseases. OBJECTIVE: This study was designed to investigate the potentially protective effects of hyperoside and the role of transcription factor nuclear factor-erythroid 2(NF-E2)-related factor 2 (Nrf2) signaling in the regulation on Carbon Tetrachloride (CCl4)-induced chronic liver fibrosis in mice...
April 20, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28430587/parkin-regulates-translesion-dna-synthesis-in-response-to-uv-radiation
#5
Xuefei Zhu, Xiaolu Ma, Yingfeng Tu, Min Huang, Hongmei Liu, Fengli Wang, Juanjuan Gong, Jiuqiang Wang, Xiaoling Li, Qian Chen, Hongyan Shen, Shu Zhu, Yun Wang, Yang Liu, Caixia Guo, Tie-Shan Tang
Deficiency of Parkin is a major cause of early-onset Parkinson's disease (PD). Notably, PD patients also exhibit a significantly higher risk in melanoma and other skin tumors, while the mechanism remains largely unknown. In this study, we show that depletion of Parkin causes compromised cell viability and genome stability after ultraviolet (UV) radiation. We demonstrate that Parkin promotes efficient Rad18-dependent proliferating cell nuclear antigen (PCNA) monoubiquitination by facilitating the formation of Replication protein A (RPA)-coated ssDNA upon UV radiation...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430561/association-of-gii-p16-gii-2-recombinant-norovirus-strain-with-increased-norovirus-outbreaks-guangdong-china-2016
#6
Jing Lu, Ling Fang, Limei Sun, Hanri Zeng, Yanling Li, Huanying Zheng, Siwei Wu, Feng Yang, Tie Song, Jinyan Lin, Changwen Ke, Yonghui Zhang, Jan Vinjé, Hui Li
An unusual prevalence of recombinant GII.2 noroviruses (GII.P16-GII.2) in Guangdong, China, at the end of 2016 caused a sharp increase in outbreaks of acute gastroenteritis. This event was another non-GII.4 epidemic that emerged after the GII.17 viruses in 2014 and 2015 and warrants global surveillance.
July 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28429101/human-circulating-and-tissue-gastric-cancer-stem-cells-display-distinct-epithelial-mesenchymal-features-and-behaviors
#7
Shengliang Zhang, Yanna Shang, Tie Chen, Xin Zhou, Wengtong Meng, Chuanwen Fan, Ran Lu, Qiaorong Huang, Xue Li, Xu Hong, Zongguang Zhou, Jiankun Hu, Xianming Mo
INTRODUCTION: Metastasis is a leading cause of cancer-related-deaths worldwide. Recently, cancer stem cells (CSCs) have been believed to be responsible for tumor initiation and metastasis, but till now, difference of cellular features and behaviors between CSCs from tumor tissues (TCSCs) and circulation (CCSCs) remains largely unknown, which hinders the progression of targeted therapies for metastasis. METHODS AND RESULTS: Here, we provide the features of circulating gastric cancer stem cells (CGCSCs) isolated from human gastric adenocarcinoma...
April 20, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28426212/construction-of-%C3%AE-trifluoromethyl-enol-ether-via-base-promoted-c-o-coupling-and-rearrangement-of-hydrogen-atom
#8
Kun Dai, Kuan Wang, Yang Li, Jian-Gang Chen, Zhong-Wen Liu, Jian Lu, Zhao-Tie Liu
A novel, high-efficiency and high-selectivity construction of β-trifluoromethyl enol ether via base-induced/promoted C-O coupling of trifluoromethylated vinyl chloride and phenols is presented with a broad substrate scope. The reaction mechanism, especially the significantly high selectivity, was excavated and understood via DFT calculation, and is well supported by the experimental observation.
April 20, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28415627/importance-of-the-plasma-soluble-hla-g-levels-for-prognostic-stratification-with-traditional-prognosticators-in-colorectal-cancer
#9
Jing-Bo Li, Yan-Yun Ruan, Bin Hu, Shan-Shan Dong, Tie-Nan Bi, Aifen Lin, Wei-Hua Yan
An increased peripheral soluble HLA-G (sHLA-G) expression has been observed in various malignancies while its prognostic significance was rather limited. In this study, the prognostic value of plasma sHLA-G in 178 colorectal cancer (CRC) patients was investigated. sHLA-G levels were analyzed by specific enzyme-linked immunosorbent assay. Data showed sHLA-G levels were significantly increased in CRC patients compared with normal controls (36.8 U/ml vs 25.4 U/ml, p = 0.009). sHLA-G in the died were obviously higher than that of alive CRC patients (46...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28398659/hypaphorine-an-indole-alkaloid-isolated-from-caragana-korshinskii-kom-inhibites-3t3-l1-adipocyte-differentiation-and-improves-insulin-sensitivity-in-vitro
#10
Guangxiang Luan, Fangfang Tie, Zhenzhen Yuan, Gang Li, Jie He, Zhenhua Wang, Honglun Wang
Obesity, a major health problem worldwide, is a complex multifactorial chronic disease that increases the risk for insulin resistance, type 2 diabetes, coronary heart disease and hypertension. In this study, we assessed methods to isolate hypaphorine, a potent drug candidate for obesity and insulin resistance. Semi-preparative reversed-phase liquid chromatography (semi-preparative RPLC) was established as a method to separate three compounds, adenosine, L-tryptophan and hypaphorine, from the crude extracts of Caragana korshinskii Kom...
April 11, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28394321/the-role-of-angiopoietin-2-in-nucleus-pulposus-cells-during-human-intervertebral-disc-degeneration
#11
Kun Wang, Wei Liu, Yu Song, Xinghuo Wu, Yukun Zhang, Shuai Li, Yong Gao, Ji Tu, Yingle Liu, Cao Yang
Although evidence shows that intervertebral disc degeneration is generally characterized by angiogenesis, the role of angiopoietin has not been investigated. This study examined the presence of angiopoietin-1 (Ang-1) and angiopoietin-2 (Ang-2) within the native intervertebral disc (IVD) and elucidated their functions in the regulation of nucleus pulposus (NP) cells. Initial investigation of uncultured NP tissue revealed that Ang-1 and Ang-2 were expressed by native NP cells. Ang-2 expression was significantly increased in infiltrated and degenerate samples relative to normal samples...
April 10, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28382923/a-compliant-and-biomimetic-three-layered-vascular-graft-for-small-blood-vessels
#12
Yi Zhang, Xiangshun Li, Géraldine Guex, Shanshan Liu, Eike Müller, Riccardo Innocenti Malini, Huijing Zhao, Markus Rottmar, Katharina Maniura, Rene Rossi, Fabrizio Spano
Engineering a small diameter vascular graft with mechanical and biological properties comparable to living tissues remains challenging. Often, current devices lead to thrombosis and unsatisfactory long-term patency as a result of poor blood compatibility and a mismatch between the mechanical properties of the living tissue and the implanted biomaterial. Address-ing all these requirements is essential to produce scaffolds able to survive throughout the life of the patient. For this purpose, we fabricated a novel three-layered vascular graft by combining electrospinning and braiding...
April 6, 2017: Biofabrication
https://www.readbyqxmd.com/read/28369068/all-trans-retinoic-acid-suppresses-the-angiopoietin-tie2-pathway-and-inhibits-angiogenesis-and-metastasis-in-esophageal-squamous-cell-carcinoma
#13
Na Li, Yanjuan Lu, Daoming Li, Xiangyu Zheng, Jingyao Lian, Shanshan Li, Huijuan Cui, Linda Zhang, Luqian Sang, Ying Wang, Jane J Yu, Taiying Lu
Esophageal squamous cell carcinoma (ESCC) is the second common cancer in Henan province and is well-known for aggressiveness and dismal prognosis. Adjuvant therapies, chemotherapy, radiotherapy and endoscopic treatment have not improved survival rates in patients with late stage esophageal carcinoma. All-trans retinoic acid (ATRA) is the active ingredient of Vitamin A and affects a wide spectrum of biological processes including development, growth, neural function, immune function, reproduction, and vision...
2017: PloS One
https://www.readbyqxmd.com/read/28366361/modified-technique-for-intrascleral-fixation-of-posterior-chamber-intraocular-lens-without-scleral-flaps
#14
Yu Zhang, Fanglin He, Jing Jiang, Qingjian Li, Zhiliang Wang
We present a modified technique for intrascleral fixation of a posterior chamber intraocular lens (IOL) without scleral flaps and assess its long-term safety and efficacy. The haptics of the IOL are externalized with a 23-gauge forceps and fixated in a scleral tunnel. Two clockwise scleral incisions are made using a 23-gauge needle at an angle 30 degrees above the sclera. A 3-piece IOL is inserted into the anterior chamber with an injector through the cornea incision, and the trailing haptic is kept outside to prevent the IOL from falling into the vitreous cavity...
February 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28359080/lithium-enhances-the-antitumour-effect-of-temozolomide-against-tp53-wild-type-glioblastoma-cells-via-nfat1-fasl-signalling
#15
Sheng Han, Lingxuan Meng, Yang Jiang, Wen Cheng, Xinxin Tie, Junzhe Xia, Anhua Wu
BACKGROUND: We previously showed that activation of the nuclear factor of activated T cells (NFAT)1/Fas ligand (FasL) pathway induces glioma cell death. Lithium (Li) is an inhibitor of glycogen synthase kinase (GSK)-3 that activates NFAT1/FasL signalling. Temozolomide (TMZ) inhibits GSK-3 and activates Fas in tumour protein (TP)53 wild-type (TP53wt) glioma cells. The present study investigated the combinational effects of TMZ and low-dose Li on TP53wt glioma cells. METHODS: The combined effect of TMZ and Li was examined in TP53wt U87 and primary glioma cells and a mouse xenograft model...
March 30, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28345548/polyglycolic-acid-fibrous-scaffold-improving-endothelial-cell-coating-and-vascularization-of-islet
#16
Yang Li, Ping Fan, Xiao-Ming Ding, Xiao-Hui Tian, Xin-Shun Feng, Hang Yan, Xiao-Ming Pan, Pu-Xun Tian, Jin Zheng, Chen-Guang Ding, Wu-Jun Xue
BACKGROUND: Improving islet graft revascularization has become a crucial task for prolonging islet graft survival. Endothelial cells (ECs) are the basis of new microvessels in an isolated islet, and EC coating has been demonstrated to improve the vascularization and survival of an islet. However, the traditional method of EC coating of islets has low efficiency in vitro. This study was conducted to evaluate the effect of a polyglycolic acid (PGA) scaffold on the efficiency of islet coating by ECs and the angiogenesis in the coated islet graft...
April 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28343037/concentration-and-sources-of-atmospheric-nitrous-acid-hono-at-an-urban-site-in-western-china
#17
Ru-Jin Huang, Lu Yang, Junji Cao, Qiyuan Wang, Xuexi Tie, Kin-Fai Ho, Zhenxing Shen, Renjian Zhang, Guohui Li, Chongshu Zhu, Ningning Zhang, Wenting Dai, Jiamao Zhou, Suixin Liu, Yang Chen, Jun Chen, Colin D O'Dowd
Highly time-resolved measurements of nitrous acid (HONO) were carried out with a highly sensitive long path absorption photometer (LOPAP) at an urban site of Xi'an in Western China from 24 July to 6 August 2015 to investigate the atmospheric variations, sources, and formation pathways of HONO. The concentrations of HONO vary from 0.02 to 4.3ppbv with an average of 1.12ppbv for the entire measurement period. The variation trends of HONO and NO2 are very similar and positively correlated which, together with the similar diurnal profiles of HONO/NO2 ratio and HONO, suggest the importance of heterogeneous conversion of HONO from NO2...
March 23, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28341518/evaluation-of-the-implementation-rate-of-primary-antifungal-prophylaxis-and-the-prognosis-of-invasive-fungal-disease-in-acute-leukemia-patients-in-china
#18
Xiao-Han Xu, Lu Zhang, Xin-Xin Cao, Jian Li, Wei Zhang, Tie-Nan Zhu, Hua-Cong Cai, Miao Chen, Xiao Han, Chen Yang, Bing Han, Yan Zhang, Jun-Ling Zhuang, Dao-Bin Zhou, Ming-Hui Duan
BACKGROUND: Invasive fungal disease (IFD) is a major complication of acute leukemia, thus primary antifungal prophylaxis (PAP) is recommended by guidelines. Nevertheless, guidelines might not be commonly followed in developing countries due to economic factors. The primary objectives were to evaluate the implementation rate of PAP in acute leukemia patients in China and to compare the prognosis of IFD with and without PAP. The secondary objectives were to investigate the safety of PAP, clinical characteristics of IFDs and risk factors of breakthrough...
March 21, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28332573/discovery-of-multi-target-receptor-tyrosine-kinase-inhibitors-as-novel-anti-angiogenesis-agents
#19
Jinfeng Wang, Lin Zhang, Xiaoyan Pan, Bingling Dai, Ying Sun, Chuansheng Li, Jie Zhang
Recently, we have identified a biphenyl-aryl urea incorporated with salicylaldoxime (BPS-7) as an anti-angiogenesis agent. Herein, we disclosed a series of novel anti-angiogenesis agents with BPS-7 as lead compound through combining diarylureas with N-pyridin-2-ylcyclopropane carboxamide. Several title compounds exhibited simultaneous inhibition effects against three pro-angiogenic RTKs (VEGFR-2, TIE-2 and EphB4). Some of them displayed potent anti-proliferative activity against human vascular endothelial cell (EA...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28317348/-expression-and-significance-of-wingless-type-mmtv-integration-site-family-member-5a-receptor-tyrosine-kinase-like-orphan-receptor-2-in-the-rat-dental-follicle
#20
Wang Liping, Li Boqi, Wang Qi, Tie Xiaomin, Liu Yishan
OBJECTIVE: To observe the expression of wingless-type MMTV integration site family, member 5A (Wnt5A)/receptor tyrosine kinase-like orphan receptor 2 (Ror2) signal in the dental follicle cells during the normal eruption of the teeth as well as to explore the relationship between the expression of dental follicle cells and the formation of mature osteoclasts and eruption of the teeth. METHODS: The mandibulars of 1-13 d old SD rats were separated to observe the growth and develop-ment of the teeth and alveolar bone through hematoxylin-eosin(HE) staining...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
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