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https://www.readbyqxmd.com/read/27919748/anti-cd24-neutralizing-antibody-exacerbates-concanavalin-a-induced-acute-liver-injury-in-mice-via-liver-m1-macrophages
#1
Hongyu Liu, Hai Lei, Jingqi Tian, Jie Xiang, Yatong Fan, Hua Zhang, Jianhui Liu, Xuejun Zhang
Liver largely relies on its innate immune immunity to initiate quick and effective defense against potentially toxic agents, and innate immune cells are major players in this process. However, excessive inflammation due to out-of-control immune response may eventually cause liver injury. Thus, it is important to fully understand the regulatory mechanisms associated with liver inflammation. Here we show that anti-CD24 neutralizing antibody exacerbates hepatic inflammation in a Con A-induced acute liver injury murine model...
December 2, 2016: Immunology Letters
https://www.readbyqxmd.com/read/27919004/irbesartan-ameliorates-hyperlipidemia-and-liver-steatosis-in-type-2-diabetic-db-db-mice-via-stimulating-ppar-%C3%AE-ampk-akt-mtor-signaling-and-autophagy
#2
Juan Zhong, Wangqiu Gong, Lu Lu, Jing Chen, Zibin Lu, HongYu Li, Wenting Liu, Yangyang Liu, Mingqing Wang, Rong Hu, Haibo Long, Lianbo Wei
Irbesartan (Irb), a unique subset of angiotensin II receptor blockers (ARBs) with PPAR-γ activation function, has been reported to play a role in renal dysfunction, glucose metabolism, and abnormal lipid profile in diabetic animal models and humans. However, the underlying mechanisms that improve hyperlipidemia and liver steatosis are unclear. This study investigated the effects of Irb on lipid metabolism and hepatic steatosis using the spontaneous type 2 diabetic db/db mouse model. The results demonstrated body and liver weight, food consumption, lipid content in serum and liver tissue, and liver dysfunction as well as hepatic steatosis were increased in db/db mice compared with db/m mice, whereas the increases were reversed by Irb treatment...
December 2, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27917121/neurochemical-and-neuroanatomical-plasticity-following-memory-training-and-yoga-interventions-in-older-adults-with-mild-cognitive-impairment
#3
Hongyu Yang, Amber M Leaver, Prabha Siddarth, Pattharee Paholpak, Linda Ercoli, Natalie M St Cyr, Harris A Eyre, Katherine L Narr, Dharma S Khalsa, Helen Lavretsky
Behavioral interventions are becoming increasingly popular approaches to ameliorate age-related cognitive decline, but their underlying neurobiological mechanisms and clinical efficiency have not been fully elucidated. The present study explored brain plasticity associated with two behavioral interventions, memory enhancement training (MET) and a mind-body practice (yogic meditation), in healthy seniors with mild cognitive impairment (MCI) using structural magnetic resonance imaging (s-MRI) and proton magnetic resonance spectroscopy ((1)H-MRS)...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27914267/intein-mediated-site-specific-synthesis-of-tumor-targeting-protein-delivery-system-turning-peg-dilemma-into-prodrug-like-feature
#4
Yingzhi Chen, Meng Zhang, Hongyue Jin, Yisi Tang, Huiyuan Wang, Qin Xu, Yaping Li, Feng Li, Yongzhuo Huang
Poor tumor-targeted and cytoplasmic delivery is a bottleneck for protein toxin-based cancer therapy. Ideally, a protein toxin drug should remain stealthy in circulation for prolonged half-life and reduced side toxicity, but turn activated at tumor. PEGylation is a solution to achieve the first goal, but creates a hurdle for the second because PEG rejects interaction between the drugs and tumor cells therein. Such PEG dilemma is an unsolved problem in protein delivery. Herein proposed is a concept of turning PEG dilemma into prodrug-like feature...
November 27, 2016: Biomaterials
https://www.readbyqxmd.com/read/27914105/genetic-variants-in-the-integrin-signaling-pathway-genes-predict-cutaneous-melanoma-survival
#5
Hongyu Li, Yanru Wang, Hongliang Liu, Qiong Shi, Yinghui Xu, Wenting Wu, Dakai Zhu, Christopher I Amos, Shenying Fang, Jeffrey E Lee, Jiali Han, Qingyi Wei
To identify genetic variants involved in prognosis of cutaneous melanoma (CM), we investigated associations of single nucleotide polymorphisms (SNPs) of genes in the integrin signaling pathway with CM survival by re-analyzing a published genome-wide association study (GWAS) from The University of Texas M.D. Anderson Cancer Center (MDACC), and then validated significant SNPs in another GWAS from Harvard University. In the MDACC study, 1,148 SNPs were significantly associated with CM-specific survival (CMSS) (P ≤ 0...
December 3, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27885333/astragalus-polysaccharide-suppresses-6-hydroxydopamine-induced-neurotoxicity-in-caenorhabditis-elegans
#6
Haifeng Li, Ruona Shi, Fei Ding, Hongyu Wang, Wenjing Han, Fangli Ma, Minghua Hu, Chung Wah Ma, Zebo Huang
Astragalus membranaceus is a medicinal plant traditionally used in China for a variety of conditions, including inflammatory and neural diseases. Astragalus polysaccharides are shown to reduce the adverse effect of levodopa which is used to treat Parkinson's disease (PD). However, the neuroprotective effect of Astragalus polysaccharides per se in PD is lacking. Using Caenorhabditis elegans models, we investigated the protective effect of astragalan, an acidic polysaccharide isolated from A. membranaceus, against the neurotoxicity of 6-hydroxydopamine (6-OHDA), a neurotoxin that can induce parkinsonism...
2016: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/27884696/design-synthesis-and-antifungal-activity-of-novel-fenfuram-diarylamine-hybrids
#7
Hongyu Wang, Xuheng Gao, Xiaoxiao Zhang, Hong Jin, Ke Tao, Taiping Hou
Ten novel fenfuram-diarylamine hybrids were designed and synthesized. And their antifungal activities against four phytopathogenic fungi have been evaluated in vitro and most of the compounds demonstrated a significant antifungal activities against Rhizoctonia solani and Sclerotinia sclerotiorum. Compound 5e exhibited the most potent antifungal activity against R. solani with an EC50 value of 0.037mg/L, far superior to the commercially available fungicide boscalid (EC50=1.71mg/L) and lead fungicide fenfuram (EC50=6...
November 12, 2016: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27884171/molecular-characterization-and-protective-efficacy-of-silent-information-regulator-2a-from-eimeria-tenella
#8
Hui Dong, Sihan Yang, Qiping Zhao, Hongyu Han, Shunhai Zhu, Xuelong Zhu, Cong Li, Ziwen Wang, Weili Xia, Qifei Men, Liangyu Yang, Bing Huang
BACKGROUND: Silent information regulator 2 (SIR2) proteins are a family of NAD + -dependent protein deacetylases that are considered potential targets for anti-parasitic agents. In this study, we cloned and characterized SIR2A of the protozoan parasite Eimeria tenella (EtSIR2A) and investigated its protective efficacy as a DNA vaccine. METHODS: The EtSIR2A gene encoding 33.37 kDa protein from E. tenella second-generation merozoites was cloned, and recombinant EtSIR2A protein (rEtSIR2A) was produced in an Escherichia coli expression system...
November 25, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27882331/ectopic-fat-deposition-on-insulin-sensitivity-correlation-of-hepatocellular-lipid-content-and-m-value
#9
Beverly S Hong, Ying Li, Shuiqing Lai, Juan Liu, Hongyu Guan, Weijian Ke, Xiaoying He, Yanbing Li
Purpose. This study aimed to explore the relationship among insulin sensitivity and ectopic fat depots in participants with different glucose status. Methods. Fifty-nine men and women were enrolled in this study: 29 with normal glucose tolerance (NGT), 17 with impaired glucose tolerance (IGT), and 13 with type 2 diabetes mellitus (T2DM). All participants underwent a hyperinsulinemic-euglycemic clamp to assess the insulin sensitivity index (M value) and magnetic resonance imaging to measure the hepatocellular lipid content (HCL), skeletal muscle fat content including intramyocellular lipid (IMCL) and extramyocellular lipid (EMCL) of tibialis anterior (ta), and soleus muscle (sol)...
2016: Journal of Diabetes Research
https://www.readbyqxmd.com/read/27882059/intestinal-microbiota-as-an-alternative-therapeutic-target-for-epilepsy
#10
REVIEW
Jiaying Wu, Yuyu Zhang, Hongyu Yang, Yuefeng Rao, Jing Miao, Xiaoyang Lu
Epilepsy is one of the most widespread serious neurological disorders, and an aetiological explanation has not been fully identified. In recent decades, a growing body of evidence has highlighted the influential role of autoimmune mechanisms in the progression of epilepsy. The hygiene hypothesis draws people's attention to the association between gut microbes and the onset of multiple immune disorders. It is also believed that, in addition to influencing digestive system function, symbiotic microbiota can bidirectionally and reversibly impact the programming of extraintestinal pathogenic immune responses during autoimmunity...
2016: Canadian Journal of Infectious Diseases & Medical Microbiology
https://www.readbyqxmd.com/read/27876287/mid-term-outcomes-of-common-congenital-heart-defects-corrected-through-a-right-subaxillary-thoracotomy
#11
Guoying An, Hongyu Zhang, Shanguang Zheng, Weixin Wang, Liming Ma
OBJECTIVE: To evaluate the mid-term outcomes of the correction of various congenital heart defects through a right subaxillary thoracotomy. METHODS: Between June 2004 and April 2014, all eligible patients were those with a common congenital heart defect corrected via an approach through a right subaxillary thoracotomy. There were 836 patients (male 417, female 419; median age, 3.5 years; median weight 13.6kg) with ventricular septal defect (VSD) closure (523 patients), atrial septal defect (ASD) closure (235 patients), partial atrioventricular canal (PAVC) correction (55 patients), mild tetralogy of Fallot (TOF) (23 patients)...
February 17, 2016: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/27875056/opioid-nsaid-and-otc-analgesic-medications-for-dental-procedures-pearl-network-findings
#12
Ying Jo Wong, James Keenan, Keith Hudson, Henry Bryan, Frederick Naftolin, Van P Thompson, Ronald G Craig, Don Vena, Damon Collie, Hongyu Wu, Abigail G Matthews, Ashley C Grill, Frederick A Curro
OBJECTIVE: Dental treatment is often categorized as a moderately or severely painful experience; however, no clinical data reported by the patient and dentist currently exists to support this degree of pain. This has contributed possibly to the overprescribing of analgesics, in particular the opioid class of medications. The primary objective of the study was to document the dentists' postprocedural prescriptions and recommendations for analgesic medications and their effectiveness for a 5-day period...
November 2016: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/27845433/analysis-of-serum-metabolites-to-diagnose-bicuspid-aortic-valve
#13
Wenshuo Wang, Aikebaier Maimaiti, Yun Zhao, Lingfei Zhang, Hongyue Tao, Hui Nian, Limin Xia, Biao Kong, Chunsheng Wang, Mofang Liu, Lai Wei
Bicuspid aortic valve (BAV) is the most common congenital heart disease. The current study aims to construct a diagnostic model based on metabolic profiling as a non-invasive tool for BAV screening. Blood serum samples were prepared from an estimation group and a validation group, each consisting of 30 BAV patients and 20 healthy individuals, and analyzed by liquid chromatography-mass spectrometry (LC-MS). In total, 2213 metabolites were detected and 41 were considered different. A model for predicting BAV in the estimation group was constructed using the concentration levels of monoglyceride (MG) (18:2) and glycerophospho-N-oleoyl ethanolamine (GNOE)...
November 15, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27843087/heterogeneity-of-biochar-amendment-to-improve-the-carbon-and-nitrogen-sequestration-through-reduce-the-greenhouse-gases-emissions-during-sewage-sludge-composting
#14
Mukesh Kumar Awasthi, Meijing Wang, Hongyu Chen, Quan Wang, Junchao Zhao, Xiuna Ren, Dong-Sheng Li, Sanjeev Kumar Awasthi, Feng Shen, Ronghua Li, Zengqiang Zhang
This study was performed to investigate the effects of biochar as an amendment to a gaseous emissions and sewage sludge (SS) composting dynamics. Six dosage of biochar [low dosage of biochar (LDB) - 2%, 4% and 6%; and higher dosage of biochar (HDB) - 8%, 12% and 18%] were amended to a mixture of SS and wheat straw (4:1 ratio on dry weight basis) and compared to control or without additive. The HDB significantly reduced CH4, N2O and NH3 emission by 92.85-95.34%, 95.14-97.30% and 58.03-65.17%, but not the CO2 emission...
November 5, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/27829992/hmgb1-tlr4-signaling-participates-in-renal-ischemia-reperfusion-injury-and-could-be-attenuated-by-dexamethasone-mediated-inhibition-of-the-erk-nf-%C3%AE%C2%BAb-pathway
#15
Jiong Zhang, Jumei Xia, Ying Zhang, Fang Xiao, Jin Wang, Hongyu Gao, Yanyan Liu, Song Rong, Ying Yao, Gang Xu, Junhua Li
Studies have shown that the HMGB1-TLR4 (High-mobility group protein B1, toll-like receptor 4) pathway participates in renal ischemic reperfusion injury (IRI) and that dexamethasone (DEX) could protect the kidney against IRI. This study aims to examine the protective effects of DEX on renal IRI and further explore the possible mechanism of action. During mouse renal IRI, HMGB1-TLR4 signals changed markedly including HMGB1 translocation and TLR4 up-regulation, resulting in histological damage and an increase in MPO expression...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27826714/exendin-4-promotes-pancreatic-%C3%AE-cell-proliferation-via-inhibiting-the-expression-of-wnt5a
#16
Xinger Wu, Weiwei Liang, Hongyu Guan, Juan Liu, Liehua Liu, Hai Li, Xiaoying He, Jing Zheng, Jie Chen, Xiaopei Cao, Yanbing Li
Exendin-4, a glucagon-like peptide-1 receptor agonist, is currently regarded as an effective therapeutic strategy for type-2 diabetes. Previous studies indicated that exendin-4 promoted β cell proliferation. However, the underlying mechanisms remain largely unknown. Recently it was reported that exendin-4 promoted pancreatic β cell proliferation by regulating the expression level of Wnt4. The present study was designed to investigate whether other Wnt isoforms take part in accommodation of β-cell proliferation...
November 9, 2016: Endocrine
https://www.readbyqxmd.com/read/27826197/elevated-habp1-protein-expression-correlates-with-progression-and-poor-survival-in-patients-with-gastric-cancer
#17
Hongyu Gao, Qiang Yao, Xiuwen Lan, Sen Li, Junlong Wu, Guangchun Zeng, Yingwei Xue
BACKGROUND: Hyaluronic acid-binding protein 1 (HABP1/gC1qR/p32) has been recently implicated in oncogenesis and cancer progression in various malignancies; however, its clinical role in gastric cancer (GC) is still unclear. PATIENTS AND METHODS: First, HABP1 expression was determined by Western blot analysis and immunohistochemistry. Then, we evaluated the expression of HABP1 and its clinical significance in tumor tissues from 181 patients with GC. RESULTS: Expression of HABP1 protein in GC tissues was noticeably higher than that in adjacent nonneoplastic tissues (P=0...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27825114/pd-0332991-a-selective-cyclin-d-kinase-4-6-inhibitor-sensitizes-lung-cancer-cells-to-treatment-with-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitors
#18
Minghui Liu, Song Xu, Yuli Wang, Ying Li, Yongwen Li, Hongbing Zhang, Hongyu Liu, Jun Chen
Acquired resistance to epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) is a major challenge to targeted therapy for non-small cell lung cancer (NSCLC). We investigated whether a cyclin D kinase 4/6 (CDK4/6) inhibitor, PD 0332991, could reverse EGFR-TKI resistance in human lung cancer cells and explored the underlying mechanisms. We found that PD 0332991 potentiated gefitinib-induced growth inhibition in both EGFR-TKI-sensitive (PC-9) and EGFR-TKI-resistant (PC-9/AB2) cells by down-regulating proliferation and inducing apoptosis and G0/G1 cell cycle arrest...
November 4, 2016: Oncotarget
https://www.readbyqxmd.com/read/27822585/laparoscopic-hepatectomy-for-segments-i-iv-v-and-viii
#19
Hongyu Li, Yonggang Wei, Bo Li, Bing Peng
BACKGROUND: According to difficulty scoring system [1], laparoscopic hepatectomy (LH) for caudate lobe and middle segments should be considered as the most difficult case. We here report the first case of LH for segments I, IV, V and VIII in China. METHODS: The patient was a 31-year-old man without hepatitis history. Preoperative MRI revealed a 5.0 cm × 5.2 cm mass located in the paracaval portion. Preoperative liver function tests and tumor markers were normal...
November 7, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27815192/switching-metabolic-status-by-activating-a-silent-glycerol-catabolism-pathway-for-acetoin-production-from-glycerol
#20
Yu Wang, Fei Tao, Bo Xin, Hongyu Liu, Yanyan Gao, Ning-Yi Zhou, Ping Xu
The physiological roles of silent genes are still unsolved puzzles and their application potentials are unexplored. Herein, a silent glycerol catabolism pathway encoded by glp system was activated in a Klebsiella pneumoniae mutant, of which the acetoin degradation pathway was blocked. Surprisingly, the activation produced significant effects on cellular metabolism and over 90% of the carbon flux was redirected to acetoin biosynthesis, which was formerly a minor product in this mutant. Transcription analyses suggest that the genes involved in acetoin, 1,3-propanediol and adenosyl-cobalamin biosynthesis were differentially regulated upon the glp system activation, demonstrating the cross-talk between silent and active pathways...
November 1, 2016: Metabolic Engineering
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