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https://www.readbyqxmd.com/read/29344170/phosphorylation-of-ser6-in-hnrnpa1-by-s6k2-regulates-glucose-metabolism-and-cell-growth-in-colorectal-cancer
#1
Yan Sun, Man Luo, Guilin Chang, Weiying Ren, Kefen Wu, Xi Li, Jiping Shen, Xiaoping Zhao, Yu Hu
Abnormal glucose metabolism is critical in colorectal cancer (CRC) development. Expression of the pyruvate kinase (PK) M2 isoform, rather than the PKM1 isoform, serves important functions in reprogramming the glucose metabolism of cancer cells. Preferential expression of PKM2 is primarily driven by alternative splicing, which is coordinated by a group of splicing factors including heterogeneous nuclear ribonucleoprotein (hnRNP)A1, hnRNPA2 and RNA binding motif containing. However, the underlying molecular mechanisms associated with cancer cell expression of PKM2, instead of PKM1, remain unknown...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29331977/clinical-outcomes-and-prognostic-factors-in-patients-with-spinal-dural-arteriovenous-fistulas-a-prospective-cohort-study-in-two-chinese-centres
#2
Yongjie Ma, Sichang Chen, Chao Peng, Chunxiu Wang, Guilin Li, Chuan He, Ming Ye, Tao Hong, Lisong Bian, Jiang Liu, Zhichao Wang, Adnan I Qureshi, Feng Ling, Hongqi Zhang
BACKGROUND: The short-term outcomes and prognostic factors of patients with spinal dural arteriovenous fistulas (SDAVFs) have not been defined in large cohorts. OBJECTIVE: To define the short-term clinical outcomes and prognostic factors in patients with SDAVFs. METHODS: A prospective cohort of 112 patients with SDAVFs were included consecutively in this study. The patients were serially evaluated with the modified Aminoff and Logue's Scale (mALS) one day before surgery and at 3 months, 6 months and 12 months after treatment...
January 13, 2018: BMJ Open
https://www.readbyqxmd.com/read/29325955/endovascular-patch-embolization-for-blood-blister-like-aneurysms-in-the-dorsal-segment-of-the-internal-carotid-artery
#3
Xudong Hao, Guilin Li, Jian Ren, Jingwei Li, Chuan He, Hong-Qi Zhang
OBJECTIVE: Blood blister-like aneurysms (BBAs) in the dorsal segment of the internal carotid artery (ICA) are fragile and difficult to treat, and the optimal treatment for BBAs is still controversial. We report clinical and angiographic results with procedural details for the treatment of BBA by using the endovascular patch embolization method. METHODS: We retrospectively reviewed patients who presented with subarachnoid hemorrhage(SAH) caused by ICA-BBAs and were treated with the endovascular patch embolization method in our center from October 2011 to March 2015...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29298486/redox-controlled-fluorescent-nanoswitch-based-on-reversible-disulfide-and-its-application-in-butyrylcholinesterase-activity-assay
#4
Guilin Chen, Hui Feng, Xiaogan Jiang, Jing Xu, Saifei Pan, Zhaosheng Qian
Butyrylcholinesterase (BChE) mainly contributing to plasma cholinesterase activity is an important indicator for routinely diagnosing liver function and organophosphorus poisoning in clinical diagnosis, but its current assays are scarce and frequently suffer from some significant interference and instability. Herein, we report a redox-controlled fluorescence nanoswtich based on reversible disulfide bonds, and further develop a fluorometric assay of BChE via thiol-triggered disaggregation-induced emission. Thiol-functionalized carbon quantum dots (thiol-CQDs) with intense fluorescence is found to be responsive to hydrogen peroxide, and their redox reaction transforms thiol-CQDs to nonfluorescent thiol-CQDs assembly...
January 4, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29294546/-an-investigation-of-normal-urinary-manganese-value-in-healthy-adults-in-different-places-in-guangxi-china
#5
L M Qin, R J Li, P L Ning, Y Li, X P Li
Objective: To investigate the normal urinary manganese value in healthy adults in Guangxi, China and its distribution characteristics. Methods: From 2015 to 2016, stratified random sampling based on age and sex was performed to select 1533 healthy adults aged 18-60 years in Nanning,Liuzhou,Guilin,Hezhou,Wuzhou,Yulin,Guigang,Beihai,Qinzhou,Laibin,Hechi Nandan,Bose Jingxi,Chongzuo Daxin,and Fangchenggang.All of them had no history of occupational manganese exposure or acute or chronic liver/renal diseases and had lived in the local area for more than one year...
October 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/29285580/bone-marrow-findings-in-blast-phase-of-polycythemia-vera
#6
Juliana E Hidalgo López, Adrian Carballo-Zarate, Srdan Verstovsek, Sa A Wang, Shimin Hu, Shaoying Li, Jie Xu, Wenli Zuo, Zhenya Tang, C Cameron Yin, L Jeffrey Medeiros, Carlos E Bueso-Ramos, Guilin Tang
Approximately 10% of patients with polycythemia vera (PV) transform to acute leukemia (blast phase) at 10 years after initial diagnosis of PV. The bone marrow pathologic, cytogenetic, and molecular features of blast phase have not been well characterized. In this study, we reviewed 422 PV patients over a period of 11 years and identified 58 patients who developed acute myeloid leukemia (blast phase) during the course of disease. We found that blast phase of PV was characterized by overt myelodysplasia (n = 51, 88%); moderate to severe myelofibrosis (33 of 45, 73%); an abnormal karyotype (n = 51, 88%) that was often complex karyotype (n = 42, 72%); and gene mutations involving TP53 (55%), TET2 (27%), and DNMT3A (25%)...
December 28, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/29284751/unraveling-submicron-scale-mechanical-heterogeneity-by-three-dimensional-x-ray-microdiffraction
#7
Runguang Li, Qingge Xie, Yan-Dong Wang, Wenjun Liu, Mingguang Wang, Guilin Wu, Xiaowu Li, Minghe Zhang, Zhaoping Lu, Chang Geng, Ting Zhu
Shear banding is a ubiquitous phenomenon of severe plastic deformation, and damage accumulation in shear bands often results in the catastrophic failure of a material. Despite extensive studies, the microscopic mechanisms of strain localization and deformation damage in shear bands remain elusive due to their spatial-temporal complexities embedded in bulk materials. Here we conducted synchrotron-based X-ray microdiffraction (μXRD) experiments to map out the 3D lattice strain field with a submicron resolution around fatigue shear bands in a stainless steel...
December 28, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29239409/polyhydric-polymer-loaded-pyrene-composites-as-powerful-adsorbents-and-fluorescent-probes-highly-efficient-adsorption-and-test-strips-based-fluorimetric-analysis-of-curcumin-in-urine-and-plant-extracts
#8
Zhiqiang Duan, Mengyuan Yin, Chuanxian Zhang, Guilin Song, Shengying Zhao, Fan Yang, Luping Feng, Chuan Fan, Shuyun Zhu, Hua Wang
Polyhydric poly (vinyl alcohol) was covalently loaded with a 1-pyrenecarboxyaldehyde fluorophore. The yielded PVA-Pyr composites can serve as powerful adsorbents and strong fluorescent probes for the highly efficient adsorption and sensitive fluorimetric detection with test strips of curcumin in samples of urine and plant extracts.
December 14, 2017: Analyst
https://www.readbyqxmd.com/read/29159762/p2y12-receptor-upregulation-in-satellite-glial-cells-is-involved-in-neuropathic-pain-induced-by-hiv-glycoprotein-120-and-2-3-dideoxycytidine
#9
Zhihua Yi, Lihui Xie, Congfa Zhou, Huilong Yuan, Shuai Ouyang, Zhi Fang, Shanhong Zhao, Tianyu Jia, Lifang Zou, Shouyu Wang, Yun Xue, Bing Wu, Yun Gao, Guilin Li, Shuangmei Liu, Hong Xu, Changshui Xu, Chunping Zhang, Shangdong Liang
The direct neurotoxicity of HIV and neurotoxicity of combination antiretroviral therapy medications both contribute to the development of neuropathic pain. Activation of satellite glial cells (SGCs) in the dorsal root ganglia (DRG) plays a crucial role in mechanical and thermal hyperalgesia. The P2Y12 receptor expressed in SGCs of the DRG is involved in pain transmission. In this study, we explored the role of the P2Y12 receptor in neuropathic pain induced by HIV envelope glycoprotein 120 (gp120) combined with ddC (2',3'-dideoxycytidine)...
November 20, 2017: Purinergic Signalling
https://www.readbyqxmd.com/read/29149884/predictors-of-early-onset-post-ischemic-stroke-depression-a-cross-sectional-study
#10
Guilin Meng, Xiaoye Ma, Lei Li, Yan Tan, Xiaohui Liu, Xueyuan Liu, Yanxin Zhao
BACKGROUND: Post-stroke depression (PSD) seriously affects the rehabilitation of nerve function and quality of life. However, the pathogenesis of PSD is still not clear. This study aimed to investigate the demographic, clinical, and biochemical factors in patients with PSD. METHODS: Patients with an acute ischemic stroke, who met the inclusion criteria at Shanghai Tenth People's Hospital from April 2016 to September 2016, were recruited for this study. The stroke severity was assessed using the National Institutes of Health Stroke Scale (NIHSS), and the mental state was assessed using Mini-Mental State Examination (MMSE), Hamilton Depression Scale (HAMD), and Hamilton Anxiety Scale (HAMA) at 1 week of admission...
November 17, 2017: BMC Neurology
https://www.readbyqxmd.com/read/29147652/identification-of-potent-chloride-intracellular-channel-protein-1-inhibitors-from-traditional-chinese-medicine-through-structure-based-virtual-screening-and-molecular-dynamics-analysis
#11
Wei Wang, Minghui Wan, Dongjiang Liao, Guilin Peng, Xin Xu, Weiqiang Yin, Guixin Guo, Funeng Jiang, Weide Zhong, Jianxing He
Chloride intracellular channel 1 (CLIC1) is involved in the development of most aggressive human tumors, including gastric, colon, lung, liver, and glioblastoma cancers. It has become an attractive new therapeutic target for several types of cancer. In this work, we aim to identify natural products as potent CLIC1 inhibitors from Traditional Chinese Medicine (TCM) database using structure-based virtual screening and molecular dynamics (MD) simulation. First, structure-based docking was employed to screen the refined TCM database and the top 500 TCM compounds were obtained and reranked by X-Score...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29141338/-spatial-and-temporal-clustering-characteristics-of-typhoid-and-paratyphoid-fever-and-its-change-pattern-in-3-provinces-in-southwestern-china-2001-2012
#12
L X Wang, B Yang, M Y Yan, Y Q Tang, Z C Liu, R Q Wang, S Li, L Ma, B Kan
Objective: To analyze the spatial and temporal clustering characteristics of typhoid and paratyphoid fever and its change pattern in Yunnan, Guizhou and Guangxi provinces in southwestern China in recent years. Methods: The incidence data of typhoid and paratyphoid fever cases at county level in 3 provinces during 2001-2012 were collected from China Information System for Diseases Control and Prevention and analyzed by the methods of descriptive epidemiology and geographic informatics. And the map showing the spatial and temporal clustering characters of typhoid and paratyphoid fever cases in three provinces was drawn...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29125644/atomic-vacancies-control-of-pd-based-catalysts-for-enhanced-electrochemical-performance
#13
Yunpeng Zuo, Dewei Rao, Shuo Li, Tingting Li, Guilin Zhu, Shuangming Chen, Li Song, Yang Chai, Heyou Han
Structure-engineered Pd-based catalysts at the atomic level can effectively improve the catalytic performance for oxygen or small organic molecules electrocatalysis, comparable to or even superior to that of commercial Pt/C. Here, PdCuCo anisotropic structure (AS) electrocatalysts are synthesized with abundant vacancy defects on the exterior surface, which is unambiguously verified by aberration-corrected transmission electron microscopy. The PdCuCo-AS with vacancy (v-PdCuCo-AS) shows excellent electrochemical activity toward oxygen reduction (ORR) and oxidation of alcohols...
November 10, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29123191/a-spot-laser-modulated-resistance-switching-effect-observed-on-n-type-mn-doped-zno-sio2-si-structure
#14
Jing Lu, Xinglong Tu, Guilin Yin, Hui Wang, Dannong He
In this work, a spot laser modulated resistance switching (RS) effect is firstly observed on n-type Mn-doped ZnO/SiO2/Si structure by growing n-type Mn-doped ZnO film on Si wafer covered with a 1.2 nm native SiO2, which has a resistivity in the range of 50-80 Ω∙cm. The I-V curve obtained in dark condition evidences the structure a rectifying junction, which is further confirmed by placing external bias. Compared to the resistance state modulated by electric field only in dark (without illumination), the switching voltage driving the resistance state of the structure from one state to the other, shows clear shift under a spot laser illumination...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29119847/myeloid-lymphoid-neoplasms-with-fgfr1-rearrangement
#15
Paolo Strati, Guilin Tang, Dzifa Y Duose, Saradhi Mallampati, Rajyalakshmi Luthra, Keyur P Patel, Mohammad Hussaini, Abu-Sayeef Mirza, Rami S Komrokji, Stephen Oh, John Mascarenhas, Vesna Najfeld, Vivek Subbiah, Hagop Kantarjian, Guillermo Garcia-Manero, Srdan Verstovsek, Naval Daver
Myeloid/lymphoid neoplasms with FGFR1 rearrangement are a rare entity. We present a multicenter experience of 17 patients with FISH-confirmed FGFR1 rearrangement. The clinical presentation at diagnosis included myeloproliferative neoplasm (MPN) in 4 (24%) patients, acute leukemia (AL) in 7 (41%), and concomitant MPN with AL in 6 (35%). The two most frequently observed cytogenetic abnormalities were t(8;13)(p11.2;q12)(partner gene ZMYM2) and t(8;22)(p11.2; q11.2)(BCR). Seventy-eight percent of tested patients had a RUNX1 mutation, of whom all had AL...
November 9, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29116114/co2-production-dissolution-and-pressure-dynamics-during-silage-production-multi-sensor-based-insight-into-parameter-interactions
#16
Menghua Li, Guilin Shan, Haiyang Zhou, Wolfgang Buescher, Christian Maack, Kerstin H Jungbluth, André Lipski, David A Grantz, Youheng Fan, Daokun Ma, Zhongyi Wang, Qiang Cheng, Yurui Sun
Silage is a critical global feedstock, but is prone to aerobic deterioration. The dominant mechanism of O2 transport into silage remains unresolved. Here, multiple sensors tracked O2 and CO2, gas pressure (ΔP) between internal silage and ambient air, pH and silage temperature (Tsi) during the ensilage of maize and ryegrass. We report the first observation that CO2 produced from microbial respiration was partially dissolved in silage water, with evidence of negative or positive ΔP depending on the changing balance between CO2 production and dissolution...
November 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29115885/a-novel-lipid-prodrug-strategy-for-sustained-delivery-of-hexadecyloxypropyl-9-2-phosphonomethoxy-ethyl-guanine-hdp-pmeg-on-unwanted-ocular-proliferation
#17
Mei Chen, Jiangping Hou, Guilin Tan, Peng Xie, William R Freeman, James R Beadle, Karl Y Hostetler, Lingyun Cheng
Proliferative vitreoretinopathy (PVR) is a blinding eye disease and there is no effective pharmacological measure to prevent PVR development. The difficulty comes from lack of potent antiproliferative agent and lack of sustained delivery to cover high-risk time window for PVR to develop. Lipid prodrug of PMEG, hexadecyloxypropyl 9-[(2-phosphonomethoxy)ethyl]guanine (HDP-PMEG), was prepared and was evaluated as a pharmacological adjuvant to surgical management of PVR. A dose-escalation study determined that the highest nontoxic dose for intravitreal use in pigmented rabbits was 3 µg per eye...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/29103386/pituitary-adenoma-associated-with-rathke-s-cleft-cyst-report-of-15-cases
#18
Wenhao Wu, Guijun Jia, Wang Jia, Guilin Li, Junting Zhang, Liwei Zhang
OBJECTIVE: The concomitant presence of pituitary adenoma (PA) with Rathke's cleft cyst (RCC) is rare, and most of the literature published is case reports. RCC's clinicopathological features have not been well described. METHODS: We retrospectively reviewed the data of 15 patients with PA associated with RCC. We also provide a systematic review of the literature. RESULTS: The patients included males and seven females. The transsphenoidal approach was adopted for all patients except one, who underwent right frontal craniotomy...
November 6, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29078594/challenges-in-complex-video-assisted-thoracoscopic-surgery-and-spontaneous-respiration-video-assisted-thoracoscopic-surgery-procedures
#19
REVIEW
Jingpei Li, Hui Liu, Jun Liu, Xusen Zou, Lili Mo, Hui Pan, Guilin Peng, Wenlong Shao, Lindsey Hamblin, Lixia Liang, Qinglong Dong, Jianxing He
The push for minimally invasive techniques had led to the development of many surgical tools and the innovation and completion of ever more complex operations. To achieve faster postoperative recovery of patients, we have been dedicated to the development of surgical skills that have allowed us to successfully complete many procedures under video-assisted thoracoscopic surgery (VATS) that are complex even with open approach. Specifically, sleeve, trachea, and carina resections and reconstructions using either general or spontaneous respiration anesthesia (SRA) techniques...
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29064588/reck-inhibits-cervical-cancer-cell-migration-and-invasion-by-promoting-p53-signaling-pathway
#20
Yuan Liu, Lei Li, Yang Liu, Peng Geng, Guilin Li, Yanling Yang, Hongjuan Song
OBJECTIVE: The present study was conducted to investigate the effects of RECK on cervical cancer cell migration and invasion to help understand relevant molecular mechanisms. METHODS: QRT-PCR and western blot were respectively utilized to examine the transcriptional and translational levels of RECK in cervical cancer cell lines (HELA and C33A) and normal cell line (H8). After transfection with RECK overexpressing vectors, the expression of RECK mRNA, RECK and p53 signaling pathway-related proteins (p21, p53, bcl-2 and Bax) in cervical cancer cells were respectively examined using qRT-PCR and western blot...
October 24, 2017: Journal of Cellular Biochemistry
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