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https://www.readbyqxmd.com/read/29352772/neurotransmitters-and-receptors-changes-in-medial-nucleus-of-the-trapezoid-body-mntb-of-early-developmental-rats-with-single-side-deafness
#1
Jinsheng Dai, Jinfeng Liu, Mo Zhou, Wenjiao Wang, Zhi-Qing David Xu, Ningyu Wang
BACKGROUND Congenital single-side deafness (SSD) affects sound localization even after cochlear implantation (CI) in some conditions. The medial nucleus of the trapezoid body (MNTB) plays an important role in binaural benefit and sound localization, but little is known about intrinsic molecular changes in MNTB with SSD. We aimed to observe changes in MNTB in early-developmental SSD rats, including the key neurotransmitters (GABA, Gly, Glu) and major receptors (GABAa-R/GABAb-R for GABA, Gly-R for Gly, and AMPA/NMDA for Glu)...
January 20, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29352651/catheter-injected-bone-marrow-mesenchymal-stem-cells-induce-efficacious-occlusion-of-arteriovenous-nidus-in-a-swine-model
#2
Joseph Touma, Jianping Dai, Andre Gaston, Marianne Gervais, Eric Allaire
OBJECTIVES: Arteriovenous malformations (AVMs) are complex vascular lesions. Surgical excision is the treatment of choice, but is often not achievable. Embolo-sclerotherapy alone is associated with high recurrence rates. This study tested the hypothesis that seeding hydrogel conditioned bone marrow derived mesenchymatous stem cells (BM-MSCs) in an AVM nidus model induces solid microvascular occlusion through endoluminal tissue growth. METHODS: AVMs were modelled as arteriovenous microvascular nidus, using swine rete mirabile, a plexiform intracranial structure composed of arterial microvessels that extensively anastomose...
January 15, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29352337/impact-of-hepatitis-b-carrier-status-on-the-outcomes-of-surgical-treatment-of-colorectal-liver-metastases
#3
Kin Pan Au, Kenneth Siu Ho Chok, Albert Chi Yan Chan, Wing Chiu Dai, Tan To Cheung, Chung Mau Lo
BACKGROUND: Chronic hepatitis B virus (HBV) infection is associated with a lower incidence of colorectal liver metastases. We explored the impact of HBV carrier status on outcomes of surgical treatment of colorectal liver metastases. METHODS: A retrospective analysis was conducted for consecutive patients undergoing liver resection for colorectal liver metastases from 2000 to 2016. HBV carriers were matched with controls by propensity scoring. RESULTS: 304 patients with known HBV carrier status who underwent resection of colorectal liver metastases were studied...
January 19, 2018: World Journal of Surgery
https://www.readbyqxmd.com/read/29352204/local-structure-nucleation-sites-and-crystallization-behavior-and-their-effects-on-magnetic-properties-of-fe81si-x-b10p8-xcu1-x%C3%A2-%C3%A2-0-8
#4
C C Cao, Y G Wang, L Zhu, Y Meng, X B Zhai, Y D Dai, J K Chen, F M Pan
In this work, an attempt has been made to reveal critical factors dominating the crystallization and soft magnetic properties of Fe81Si x B10P8-xCu1 (x = 0, 2, 4, 6 and 8) alloys. Both melt spun and annealed alloys are characterized by differential scanning calorimetry, X-ray diffractometry, Mössbauer spectroscopy, transmission electron microscopy, positron annihilation lifetime spectroscopy and magnetometry. The changes in magnetic interaction between Fe atoms and chemical homogeneity can well explain the variation of magnetic properties of Fe81Si x B10P8-xCu1 amorphous alloys...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351847/phosphorylation-of-ezh2-by-ampk-suppresses-prc2-methyltransferase-activity-and-oncogenic-function
#5
Lixin Wan, Kexin Xu, Yongkun Wei, Jinfang Zhang, Tao Han, Christopher Fry, Zhao Zhang, Yao Vickie Wang, Liyu Huang, Min Yuan, Weiya Xia, Wei-Chao Chang, Wen-Chien Huang, Chien-Liang Liu, Yuan-Ching Chang, Jinsong Liu, Yun Wu, Victor X Jin, Xiangpeng Dai, Jianfeng Guo, Jia Liu, Shulong Jiang, Jin Li, John M Asara, Myles Brown, Mien-Chie Hung, Wenyi Wei
Sustained energy starvation leads to activation of AMP-activated protein kinase (AMPK), which coordinates energy status with numerous cellular processes including metabolism, protein synthesis, and autophagy. Here, we report that AMPK phosphorylates the histone methyltransferase EZH2 at T311 to disrupt the interaction between EZH2 and SUZ12, another core component of the polycomb repressive complex 2 (PRC2), leading to attenuated PRC2-dependent methylation of histone H3 at Lys27. As such, PRC2 target genes, many of which are known tumor suppressors, were upregulated upon T311-EZH2 phosphorylation, which suppressed tumor cell growth both in cell culture and mouse xenografts...
January 18, 2018: Molecular Cell
https://www.readbyqxmd.com/read/29351631/atypical-radiological-presentation-of-pulmonary-invasion-of-diffuse-large-b-cell-lymphoma-mimicking-pneumocystis-jiroveci-pneumonia
#6
Ryoko Inaba Higashiyama, Shinichi Makita, Akiko Miyagi Maeshima, Dai Maruyama
No abstract text is available yet for this article.
January 17, 2018: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29351612/a-mutational-signature-associated-with-alcohol-consumption-and-prognostically-significantly-mutated-driver-genes-in-esophageal-squamous-cell-carcinoma
#7
X C Li, M Y Wang, M Yang, H J Dai, B F Zhang, W Wang, X L Chu, X Wang, H Zheng, R F Niu, W Zhang, K X Chen
Background: Esophageal squamous cell carcinoma (ESCC) is often diagnosed at an advanced and incurable stage. Information on driver genes and prognosticators in ESCC remains incomplete. The objective was to elucidate significantly mutated genes (SMGs), mutational signatures, and prognosticators in ESCC. Patients and Methods: Three MutSig algorithms (i.e. MutSigCV, MutSigCL and MutSigFN) and "20/20+" ratio-metric were employed to identify SMGs. Nonnegative matrix factorization was used to decipher mutational signatures...
January 16, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29351291/allometric-biomass-equations-for-12-tree-species-in-coniferous-and-broadleaved-mixed-forests-northeastern-china
#8
Huaijiang He, Chunyu Zhang, Xiuhai Zhao, Folega Fousseni, Jinsong Wang, Haijun Dai, Song Yang, Qiang Zuo
Understanding forest carbon budget and dynamics for sustainable resource management and ecosystem functions requires quantification of above- and below-ground biomass at individual tree species and stand levels. In this study, a total of 122 trees (9-12 per species) were destructively sampled to determine above- and below-ground biomass of 12 tree species (Acer mandshuricum, Acer mono, Betula platyphylla, Carpinus cordata, Fraxinus mandshurica, Juglans mandshurica, Maackia amurensis, P. koraiensis, Populus ussuriensis, Quercus mongolica, Tilia amurensis and Ulmus japonica) in coniferous and broadleaved mixed forests of Northeastern China, an area of the largest natural forest in the country...
2018: PloS One
https://www.readbyqxmd.com/read/29351263/twenty-nine-new-limonoids-with-skeletal-diversity-from-the-mangrove-plant-xylocarpus-moluccensis
#9
Jianzhi Zhang, Wanshan Li, Yiguo Dai, Li Shen, Jun Wu
Twenty-nine new limonoids-named xylomolins A₁-A₇, B₁-B₂, C₁-C₂, D-F, G₁-G₅, H-I, J₁-J₂, K₁-K₂, L₁-L₂, and M-N, were isolated from the seeds of the mangrove plant, Xylocarpus moluccensis. Compounds 1-13 are mexicanolides with one double bond or two conjugated double bonds, while 14 belongs to a small group of mexicanolides with an oxygen bridge between C1 and C8. Compounds 15-19 are khayanolides containing a Δ8,14 double bond, whereas 20 and 21 are rare khayanolides containing a Δ14,15 double bond and Δ8,9, Δ14,15 conjugated double bonds, respectively...
January 19, 2018: Marine Drugs
https://www.readbyqxmd.com/read/29351241/molecular-characterization-and-expression-profiles-of-sp-uchl3-and-sp-uchl5-during-gonad-development-of-scylla-paramamosain
#10
Kunhuang Han, Yanbin Dai, Ziping Zhang, Zhihua Zou, Yilei Wang
Ubiquitin C-terminal hydrolases (UCHLs) are a subset of deubiquitinating enzymes, and are involved in numerous physiological processes. However, the role of UCHLs during gonad development has not been studied in crustaceans. In this study, we have first cloned and analyzed expression profiling of Sp-uchl3 and Sp-uchl5 genes from mud crab Scylla paramamosain. The full-length cDNA of Sp-uchl3 is of 1804 bp. Its expression level in the ovary was significantly higher than in other tissues (p < 0.01), and during gonadal development, its expression in both O1 and O5 stages was significantly higher than in the other three stages of ovaries (p < 0...
January 19, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29351231/molecular-network-based-identification-of-competing-endogenous-rnas-in-thyroid-carcinoma
#11
Minjia Lu, Xingyu Xu, Baohang Xi, Qi Dai, Chenli Li, Li Su, Xiaonan Zhou, Min Tang, Yuhua Yao, Jialiang Yang
RNAs may act as competing endogenous RNAs (ceRNAs), a critical mechanism in determining gene expression regulations in many cancers. However, the roles of ceRNAs in thyroid carcinoma remains elusive. In this study, we have developed a novel pipeline called Molecular Network-based Identification of ceRNA (MNIceRNA) to identify ceRNAs in thyroid carcinoma. MNIceRNA first constructs micro RNA (miRNA)-messenger RNA (mRNA)long non-coding RNA (lncRNA) networks from miRcode database and weighted correlation network analysis (WGCNA), based on which to identify key drivers of differentially expressed RNAs between normal and tumor samples...
January 19, 2018: Genes
https://www.readbyqxmd.com/read/29351226/curcumin-attenuates-on-carbon-tetrachloride-induced-acute-liver-injury-in-mice-via-modulation-of-the-nrf2-ho-1-and-tgf-%C3%AE-1-smad3-pathway
#12
Xinyan Peng, Chongshan Dai, Quanwen Liu, Junke Li, Jingru Qiu
This study aimed to investigate the protective effect of curcumin against carbon tetrachloride (CCl₄)-induced acute liver injury in a mouse model, and to explain the underlying mechanism. Curcumin at doses of 50, 100 and 200 mg/kg/day were administered orally once daily for seven days prior to CCl₄ exposure. At 24 h, curcumin-attenuated CCl₄ induced elevated serum transaminase activities and histopathological damage in the mouse's liver. Curcumin pre-treatment at 50, 100 and 200 mg/kg significantly ameliorated CCl₄-induced oxidative stress, characterized by decreased malondialdehyde (MDA) formations, and increased superoxide dismutase (SOD), catalase (CAT) activities and glutathione (GSH) content, followed by a decrease in caspase-9 and -3 activities...
January 19, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29351121/serum-immunoglobulin-g4-in-discriminating-autoimmune-pancreatitis-from-pancreatic-cancer-a-diagnostic-meta-analysis
#13
Cong Dai, Qin Cao, Min Jiang, Ming-Jun Sun
OBJECTIVE: Differentiation between autoimmune pancreatitis (AIP) and pancreatic cancer (PC) is a clinical challenge. Emerging published data on the accuracy of serum immunoglobulin G4 (IgG4) for the differential diagnosis between AIP and PC are inconsistent. The objective of our study was to perform a meta-analysis evaluating the clinical utility of serum IgG4 in the differential diagnosis between AIP and PC. METHODS: We performed a systematic literature search of multiple electronic databases...
January 18, 2018: Pancreas
https://www.readbyqxmd.com/read/29351041/a-new-technique-in-alveolar-cleft-bone-grafting-for-dental-implant-placement-in-patients-with-cleft-lip-and-palate
#14
Vo Van Nhan, Le Van Son, Ta Anh Tuan, Nguyen Tai Son, Trinh Dinh Hai, Le Duc Lanh, Nguyen Manh Ha, Lam Dai Phong
OBJECTIVE: To evaluate 2 iliac corticocancellous-block grafting techniques for dental implant placement in residual alveolar clefts. DESIGN: Nonrandomized prospective clinical trial between March 2010 and December 2014. SETTING: National Hospital of Odonto-Stomatology, Hanoi, Vietnam. PARTICIPANTS: Thirty-two patients (23 female, 9 male; mean age, 21.28 years; range, 16-31 years) with unilateral complete alveolar cleft after reconstructive surgery for cleft lip and palate (CLP)...
February 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29350928/a-comparative-investigation-of-proton-conductivities-for-two-metal-organic-frameworks-under-water-and-aqua-ammonia-vapors
#15
Ruilan Liu, Lili Zhao, Wei Dai, Chenglin Yang, Xi Liang, Gang Li
Our investigation on the proton conductivities of two water-stable isostructural 3D Co(II) MOFs, {[Co3(DMPhIDC)2(H2O)6]·2H2O}n (1) [DMPhH3IDC = 2-(3,4-dimethylphenyl)-imidazole-4,5-dicarboxylic acid] and {[Co3(m-BrPhIDC)2(H2O)6]·2H2O} (2) [m-BrPhH3IDC = 2-(m-bromophenyl)-imidazole-4,5-dicarboxylic acid], under water or aqua-ammonia vapor shows that the optimized proton conductivities of both 1 and 2 under aqua-ammonia vapor are 4.41 × 10-3 S·cm-1 and 5.07 × 10-4 S·cm-1 (at aqua-ammonia vapor from 1.5 M NH3·H2O solution and 100 °C), respectively, which are approximately 1 order of magnitude greater than those maximum values (8...
January 19, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29349991/-effects-of-creating-a-tunnel-through-intercondylar-fossa-under-arthroscopy-for-the-treatment-of-complex-tears-at-the-medial-meniscus-posterior-horn
#16
Ling-Dai Dong, Chang-Jian Bing, Jian-Lin Li, Yue Cai
OBJECTIVE: To discuss the advantages of the arthroscopic treatment for complex tears of the medial meniscus posterior horn by creating a tunnel passageway through the intercondylar fossa. METHODS: All 127 patients including 24 males and 103 females with complex tears at the medial meniscus posterior horn were reviewed. The age of all patients ranged from 45 to 78 years old, with an average of 67 years old. All 127 patients were treated with partial meniscectomy, in which 112 patients were treated with partial meniscectomy smoothly with three incisions (anterior medial incision, anterior lateral incision, high anterior lateral incision), and 15 patients were treated with four incisions (anterior medial incision, anterior lateral incision, high anterior lateral incision, posterior medial incision)...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349964/-biomechanical-study-of-the-lateral-wall-of-the-femur-in-the-treatment-of-femoral-intertrochanteric-fracture-with-intramedullary-or-extramedullary-fixation
#17
Yin-Sheng Wu, Bing Xu, Zuo-Qu Yu, Xiao-Feng Wang, Shou-Wang Dai, Min Li, Pei-Jian Tong
OBJECTIVE: To observe the biomechanical effects of the lateral wall of the femur in treating femoral intertrochanteric fractures with intramedullary or extramedullary fixation to guide the choice of clinical fixed methods. METHODS: Twelve adults femur specimens of intertrochanteric fractures were belong to the type A1 of the AO fracture classification and randomly divided into the lateral wall complete PFNA group, the lateral wall complete PF-LCP group, the lateral wall breakage PFNA group, lateral wall breakage PF-LCP group, every group had 3 specimens...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349955/-clinical-application-of-percutaneous-iliosacral-screws-combined-with-pubic-ramus-screws-in-tile-b-pelvic-fracture
#18
Qi-Fei Xu, Kui-Ran Lin, Dai-Jie Zhao, Song-Qin Zhang, Sheng-Kai Feng, Chen Li
OBJECTIVE: To investigate the application and effect of minimally invasive percutaneous anterior pelvic pubic ramus screw fixation in Tile B fractures. METHODS: A retrospective review was conducted on 56 patients with posterior pelvic ring injury combined with fractures of anterior pubic and ischiadic ramus treated between May 2010 and August 2015, including 31 males and 25 females with an average age of 36.8 years old ranging from 35 to 65 years old. Based on the Tile classification, there were 13 cases of Tile B1 type, 28 cases of Tile B2 type and 15 cases of Tile B3 type...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349841/novel-mof-derived-co-n-c-bifunctional-catalysts-for-highly-efficient-zn-air-batteries-and-water-splitting
#19
Mingdao Zhang, Quanbin Dai, Hegen Zheng, Mindong Chen, Liming Dai
Metal-organic frameworks (MOFs) and MOF-derived materials have recently attracted considerable interest as alternatives to noble-metal electrocatalysts. Herein, the rational design and synthesis of a new class of Co@N-C materials (C-MOF-C2-T) from a pair of enantiotopic chiral 3D MOFs by pyrolysis at temperature T is reported. The newly developed C-MOF-C2-900 with a unique 3D hierarchical rodlike structure, consisting of homogeneously distributed cobalt nanoparticles encapsulated by partially graphitized N-doped carbon rings along the rod length, exhibits higher electrocatalytic activities for oxygen reduction and oxygen evolution reactions (ORR and OER) than that of commercial Pt/C and RuO2 , respectively...
January 19, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29349790/identification-of-the-absorbed-components-and-metabolites-of-modified-huo-luo-xiao-ling-dan-in-rat-plasma-by-uhplc-q-tof-ms-ms
#20
Nannan Wang, Xiaoning Zhao, Yiran Li, Congcong Cheng, Jiaxin Huai, Kaishun Bi, Ronghua Dai
To reveal the material basis of Huo Luo Xiao Ling Dan, a sensitive and selective ultra-high performance liquid chromatography coupled with quadrupole-time-of-flight mass spectrometry (UHPLC-Q-TOF/MS) method was developed to identify the absorbed components and metabolites in rat plasma after oral administration of HLXLD. The plasma samples were pretreated by liquid-liquid extraction and separated on a Shim-pack XR-ODS C18 column (75 mm × 3.0 mm, 2.2 μm) using a gradient elution program. With the optimized conditions and single sample injection of each positive or negative ion mode, a total of 109 compounds, including 78 prototype compounds and 31 metabolites were identified or tentatively characterized...
January 19, 2018: Biomedical Chromatography: BMC
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