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https://www.readbyqxmd.com/read/28343378/adipose-derived-stem-cells-suppress-inflammation-induced-by-il-1beta-through-down-regulation-of-p2x7r-mediated-by-mir-373-in-chondrocytes-of-osteoarthritis
#1
Rilong Jin, Miaoda Shen, Liedao Yu, Xuanwei Wang, Xiangjin Lin
Adipose-derived stem cells (ADSCs) were previously considered to have an anti-inflammatory effect, and Interleukin-1beta (IL-1beta) was found to be a pro-inflammatory factor in chondrocytes, but the mechanism underlying ADSCs and IL-1beta is unclear. In this study, we investigate whether P2X7 receptor (P2X7R) signalling, regulated by microRNA 373 (miR-373), was involved in the ADSCs and IL-1beta mediated inflammation in osteoarthritis (OA). Chondrocytes were collected from 20OA patients and 20 control participants, and ADSCs were collected from patients who had undergone abdominal surgery...
March 27, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28343103/pd-au-carbon-dots-nanocomposite-facile-synthesis-and-application-as-an-ultrasensitive-electrochemical-biosensor-for-determination-of-colitoxin-dna-in-human-serum
#2
Qitong Huang, Xiaofeng Lin, Jie-Ji Zhu, Qing-Xiao Tong
In this study, a green and fast method was developed to synthesize high-yield carbon dots (CDs) via one-pot microwave treatment of banana peels without using any other surface passivation agents. Then the as-prepared CDs was used as the reducing agent and stabilizer to synthesize a Pd-Au@CDs nanocomposite by a simple sequential reduction strategy. Finally, Pd-Au@CDs nanocomposite modified glassy carbon electrode (Pd-Au@CDs/GCE) was obtained as a biosensor for target DNA after being immobilized a single-stranded probe DNA by a carboxyl ammonia condensation reaction...
March 22, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28342980/muscarinic-receptor-mediated-signaling-pathways-in-hepatocytes-from-ccl4-induced-liver-fibrotic-rat
#3
Lin Luo, Chenghao Xi, Tingting Xu, Gaoshan Zhang, E Qun, Wei Zhang
The pathological changes of parasympathetic nerves are considered as an independent prognostic factor of the survival rate for patients with chronic liver disease. The non-selective muscarinic acetylcholine receptors (mAchR) agonists and antagonists can affect the proliferation of hepatocytes, but little is known about the role of mAChR in hepatocytes and hepatic fibrosis and the signaling pathway of this receptor in regulation of hepatocytes remains elusive. Here, 3ml/kg 40% carbon tetrachloride (CCL4) was given to induce hepatic fibrosis in rats and the hepatocytes were isolated to investigate the expression of mAchR and the cell signaling pathways which were involved in...
March 22, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28342849/comparative-effects-of-etoh-consumption-and-thiamine-deficiency-on-cognitive-impairment-oxidative-damage-and-%C3%AE-amyloid-peptide-overproduction-in-the-brain
#4
Yu-Shi Gong, Kun Hu, Lu-Qi Yang, Juan Guo, Yong-Qing Gao, Feng-Lin Song, Fang-Li Hou, Cui-Yi Liang
The effects of chronic EtOH consumption, associated or not with thiamine deficiency (TD), on cognitive impairment, oxidative damage, and β-amyloid (Aβ) peptide accumulation in the brain were investigated in male C57BL/6 mice. We established an alcoholic mouse model by feeding an EtOH liquid diet, a TD mouse model by feeding a thiamine-depleted liquid diet, and an EtOH treatment associated with TD mouse model by feeding a thiamine-depleted EtOH liquid diet for 7 weeks. The learning and memory functions of the mice were detected through the Y-maze test...
March 22, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28342662/use-of-brca-mutation-test-in-the-u-s-2004-2014
#5
Fangjian Guo, Jacqueline M Hirth, Yu-Li Lin, Gwyn Richardson, Lyuba Levine, Abbey B Berenson, Yong-Fang Kuo
INTRODUCTION: BRCA mutation testing has been used for screening women at high risk of breast and ovarian cancer and for selecting the best treatment for those with breast cancer. To optimize the infrastructure and medical resources allocation for genetic testing, it is important to understand the use of BRCA mutation testing in the U.S. health system. METHODS: This retrospective cohort study included 53,254 adult women with insurance claims for BRCA mutation testing between 2004 and 2014 from Clinformatics(TM) Data Mart Database...
March 18, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28342427/spectroscopic-studies-of-the-interaction-mechanisms-between-mono-caffeoylquinic-acids-and-transferrin
#6
Yanqing Guan, Jing Dong, Shizhong Chen, Meixian Liu, Daidong Wang, Xiaotian Zhang, Hong Wang, Zongtao Lin
Transferrin (Tf) is an important protein responsible for circulating and transporting iron into cytoplasm. Tf can be taken into cells through endocytosis mediated by Tf receptor, which usually overexpresses in cancer cells. The Tf-Tf receptor pathway opens a possible avenue for novel targeted cancer therapy by utilizing Tf-binding active compounds. Among which, anti-cancer active caffeoylquinic acids (CQAs) were recently found to be promising Tf-binders by our group. For better understanding the anti-cancer activities of CQAs, it is important to unveil the binding mechanisms between CQAs and Tf...
March 7, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28342375/nanozyme-based-bio-barcode-assay-for-high-sensitive-and-logic-controlled-specific-detection-of-multiple-dnas
#7
Xiaodong Lin, Yaqing Liu, Zhanhui Tao, Jinting Gao, Jiankang Deng, Jinjin Yin, Shuo Wang
Since HCV and HIV share a common transmission path, high sensitive detection of HIV and HCV gene is of significant importance to improve diagnosis accuracy and cure rate at early stage for HIV virus-infected patients. In our investigation, a novel nanozyme-based bio-barcode fluorescence amplified assay is successfully developed for simultaneous detection of HIV and HCV DNAs with excellent sensitivity in an enzyme-free and label-free condition. Here, bimetallic nanoparticles, PtAuNPs, present outstanding peroxidase-like activity and act as barcode to catalyze oxidation of nonfluorescent substrate of amplex red (AR) into fluorescent resorufin generating stable and sensitive "Turn On" fluorescent output signal, which is for the first time to be integrated with bio-barcode strategy for fluorescence detection DNA...
January 5, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28342372/comparison-of-three-sequential-extraction-procedures-for-arsenic-fractionation-in-highly-polluted-sites
#8
Xiang Wan, Haochen Dong, Liu Feng, Zhijia Lin, Qiuchen Luo
Three sequential extraction procedures (SEPs) including Tessier, Rauret, and Shiowatana SEPs, were compared for arsenic fractionation using highly polluted soils. In the definition context of exchangeable, reducible, oxidizable and residual fractions, with similar arsenic recovery and reproducibility, Tessier and Rauret SEPs were comparable to each other, whereas Shiowatana SEP showed higher extraction efficiency in all the first three arsenic fractions, although it might overestimate the reducible arsenic...
March 22, 2017: Chemosphere
https://www.readbyqxmd.com/read/28342338/antidepressants-and-risk-of-cataract-development-a-population-based-nested-case-control-study
#9
Po-Han Chou, Che-Sheng Chu, Yi-Huei Chen, Min-Yen Hsu, Min-Wei Huang, Tsuo-Hung Lan, Ching-Heng Lin
BACKGROUND: Previous studies demonstrated increased risk of cataract development among users of selective serotonin reuptake inhibitors (SSRIs). However, it remains unknown whether this risk also prevails with the use of other types of antidepressants. The aim of this study was to investigate whether use of antidepressants is associated with an increased risk of cataract development. Moreover, the relationship between binding affinities of serotonin transporter (SERT) of antidepressant and the risk of cataracts is examined...
March 18, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28340500/advanced-practice-registered-nurses-and-long-acting-reversible-contraception
#10
Patricia J Kelly, An-Lin Cheng, Kimberly Carlson, Jacki Witt
INTRODUCTION: Advanced practice registered nurses (APRNs) are in an excellent position to address the high rates of unintended pregnancy in the United States by providing long-acting reversible contraceptives (LARCs). These methods are significant in their effectiveness in preventing pregnancy in individual women and in having population-level effects on unintended pregnancy. The aim of this study was to learn more about APRN practices around long-acting reversible contraception and influences on those practices...
March 24, 2017: Journal of Midwifery & Women's Health
https://www.readbyqxmd.com/read/28340376/linarin-could-protect-myocardial-tissue-from-the-injury-of-ischemia-reperfusion-through-activating-nrf-2
#11
Qian Yu, Xin Li, Xia Cao
OBJECTIVES: As we all know, oxidative stress was one of the most important causes of ischemia-reperfusion injury. And it was reported that Nrf-2 as an important regulator for oxidative stress could be activated by Linarin. Thus it would be interesting to find whether Linarin could inhibit ischemia-reperfusion injury through activating Nrf-2. METHODS: In this study, cell activity was detected by MTT assay and caspase-3 activity detection kit. And the expressions or activities of some signal proteins were evaluated by western-blot or activity detection kits...
March 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28340261/effect-of-a-high-concentrate-diet-on-milk-components-and-mammary-health-in-holstein-dairy-cows
#12
Z L Xie, J Zhang, D M Zhang, J F Li, Y H Lin
In order to evaluate the milk yield, milk quality, and health of dairy cows fed a high-concentrate (HC) diet, eight lactating Holstein dairy cattle were randomly assigned to HC or low-concentrate (LC) diet groups and fed for 50 days, and the auto-control studying before and after treatment with the two diets was used. During the experiment, plasma and milk samples were collected and measured. With regard to milk component, HC feeding led to higher milk production (P < 0.05), but significantly lower milk protein percentage (P < 0...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28339984/the-link-between-phenotype-and-fatty-acid-metabolism-in-advanced-chronic-kidney-disease
#13
Dan-Qian Chen, Hua Chen, Lin Chen, Nosratola D Vaziri, Ming Wang, Xiang-Ri Li, Ying-Yong Zhao
Background.: The kidney plays a central role in elimination of metabolic waste products and regulation of low-molecular weight metabolites via glomerular filtration, tubular secretion and reabsorption. Disruption of these processes results in profound changes in the biochemical milieu of the body fluids, which contribute to complications of chronic kidney disease (CKD) by inducing cytotoxicity and inflammation. Insight into the changes of the composition of metabolites and dysregulation of target genes and proteins enhances the understanding of the pathophysiology of CKD and its complications, and the development of novel therapeutic strategies...
March 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339909/il-17-and-cd40-ligand-synergistically-stimulate-the-chronicity-of-diabetic-nephropathy
#14
Huey-Liang Kuo, Chiu-Ching Huang, Tze-Yi Lin, Ching-Yuang Lin
Background.: Early stages of diabetic nephropathy (DN) are characterized by an influx of inflammatory cells. Interactions between infiltrating T cells and podocytes may play an important role in the ongoing inflammatory response and remodelling. The aim of this study was to explore the role of IL-17 and CD40 ligand (CD40L) in DN. Methods.: The study design involved a case series. Kidney biopsy samples of 69 patients with type 2 diabetes were assessed for the presence of CD4 +  IL-17 +  T cells...
March 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339863/cigarette-smoking-and-chronic-kidney-disease-in-the-general-population-a-systematic-review-and-meta-analysis-of-prospective-cohort-studies
#15
Jia Xia, Lin Wang, Zhiheng Ma, Liping Zhong, Ying Wang, Yachan Gao, Liqun He, Xiao Su
Background.: Cigarette smoking has been established as a major risk factor for chronic kidney disease (CKD) development in people with diabetes. Conflicting evidence exists among representative community-based studies as to whether smoking is an independent risk factor for CKD. The aim of this meta-analysis was to assess the effects of tobacco smoking on the development of CKD in adult general populations. Methods.: A literature search was conducted using MEDLINE and Embase from their inception through 31 May 2016 for prospective cohort studies that reported relative risks of CKD with smoking status in the general population...
February 27, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339678/ddx4-egfp-transgenic-rat-model-for-the-study-of-germline-development-and-spermatogenesis%C3%A2
#16
Kathrin Gassei, Yi Sheng, Adetunji Fayomi, Payal Mital, Meena Sukhwani, Chih-Cheng Lin, Karen A Peters, Andrew Althouse, Hanna Valli, Kyle E Orwig
Spermatogonial stem cells (SSC) are essential for spermatogenesis and male fertility. In addition, these adult tissue stem cells can be used as vehicles for germline modification in animal models and may have application for treating male infertility. To facilitate the investigation of SSCs and germ lineage development in rats, we generated a DEAD-box helicase 4 (DDX4) (VASA) promoter-enhanced green fluorescent protein (EGFP) reporter transgenic rat. Quantitative real-time polymerase chain reaction and immunofluorescence confirmed that EGFP was expressed in the germ cells of the ovaries and testes and was absent in somatic cells and tissues...
February 20, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28339613/a-nonsense-mutation-in-ccdc62-gene-is-responsible-for-spermiogenesis-defects-and-male-infertility-in-repro29-repro29-mice%C3%A2
#17
Yuchi Li, Cailing Li, Shouren Lin, Bo Yang, Weiren Huang, Hanwei Wu, Yuanbin Chen, Lihua Yang, Manling Luo, Huan Guo, Jianbo Chen, Tiantian Wang, Qian Ma, Yanli Gu, Lisha Mou, Zhimao Jiang, Jun Xia, Yaoting Gui
Phenotype-driven mutagenesis is an unbiased method to identify novel genes involved in spermatogenesis and other reproductive processes. Male repro29/repro29 mice generated by the Reproductive Genomics Program at the Jackson Laboratory were infertile with deformed sperm and poor motility. Using selected exonic capture and massively parallel sequencing technologies, we identified a nonsense mutation in the exon 6 of coiled-coil domain-containing 62 gene (Ccdc62), which results in a formation of a premature stop codon and a truncated protein...
January 28, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28339557/deficiency-of-circulating-progenitor-cells-associated-with-vascular-thrombosis-of-hemodialysis-patients
#18
Mu-Yang Hsieh, Tsung-Yan Chen, Lin Lin, Shao-Yuan Chuang, Shing-Jong Lin, Der-Cheng Tarng, Po-Hsun Huang, Chih-Cheng Wu
Background.: Hemodialysis (HD) patients have an increased risk of thrombosis. Endothelial progenitor cells (EPCs), which function in vascular repair, are deficient in HD patients. Nonetheless, the relationship between EPC deficiency and thrombosis in HD patients is unknown. Methods.: From January 2010 to December 2012, circulating levels of EPCs that were positive for CD34 and kinase insert domain receptor (KDR) were measured in 269 HD patients. Patients received prospective follow-ups at 6-month intervals until May 2015...
January 17, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339273/search-for-electronic-recoil-event-rate-modulation-with-4-years-of-xenon100-data
#19
E Aprile, J Aalbers, F Agostini, M Alfonsi, F D Amaro, M Anthony, F Arneodo, P Barrow, L Baudis, B Bauermeister, M L Benabderrahmane, T Berger, P A Breur, A Brown, E Brown, S Bruenner, G Bruno, R Budnik, L Bütikofer, J Calvén, J M R Cardoso, M Cervantes, D Cichon, D Coderre, A P Colijn, J Conrad, J P Cussonneau, M P Decowski, P de Perio, P Di Gangi, A Di Giovanni, S Diglio, G Eurin, J Fei, A D Ferella, A Fieguth, D Franco, W Fulgione, A Gallo Rosso, M Galloway, F Gao, M Garbini, C Geis, L W Goetzke, Z Greene, C Grignon, C Hasterok, E Hogenbirk, R Itay, B Kaminsky, G Kessler, A Kish, H Landsman, R F Lang, D Lellouch, L Levinson, Q Lin, S Lindemann, M Lindner, J A M Lopes, A Manfredini, I Maris, T Marrodán Undagoitia, J Masbou, F V Massoli, D Masson, D Mayani, M Messina, K Micheneau, B Miguez, A Molinario, M Murra, J Naganoma, K Ni, U Oberlack, P Pakarha, B Pelssers, R Persiani, F Piastra, J Pienaar, V Pizzella, M-C Piro, G Plante, N Priel, L Rauch, S Reichard, C Reuter, A Rizzo, S Rosendahl, N Rupp, J M F Dos Santos, G Sartorelli, M Scheibelhut, S Schindler, J Schreiner, M Schumann, L Scotto Lavina, M Selvi, P Shagin, M Silva, H Simgen, M V Sivers, A Stein, D Thers, A Tiseni, G Trinchero, C Tunnell, H Wang, Y Wei, C Weinheimer, J Wulf, J Ye, Y Zhang
We report on a search for electronic recoil event rate modulation signatures in the XENON100 data accumulated over a period of 4 yr, from January 2010 to January 2014. A profile likelihood method, which incorporates the stability of the XENON100 detector and the known electronic recoil background model, is used to quantify the significance of periodicity in the time distribution of events. There is a weak modulation signature at a period of 431_{-14}^{+16} day in the low energy region of (2.0-5.8) keV in the single scatter event sample, with a global significance of 1...
March 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28339196/discovery-of-a-small-molecule-degrader-of-bromodomain-and-extra-terminal-bet-proteins-with-picomolar-cellular-potencies-and-capable-of-achieving-tumor-regression
#20
Bing Zhou, Jiantao Hu, Fuming Xu, Zhuo Chen, Longchuan Bai, Ester Fernandez-Salas, Mei Lin, Liu Liu, Chao-Yie Yang, Yujun Zhao, Donna McEachern, Sally Przybranowski, Bo Wen, Duxin Sun, Shaomeng Wang
The bromodomain and extra-terminal (BET) family proteins, consisting of BRD2, BRD3, BRD4, and testis-specific BRDT members, are epigenetic "readers" and play a key role in the regulation of gene transcription. BET proteins are considered to be attractive therapeutic targets for cancer and other human diseases. Recently, heterobifunctional small-molecule BET degraders have been designed based upon the proteolysis targeting chimera (PROTAC) concept to induce BET protein degradation. Herein, we present our design, synthesis, and evaluation of a new class of PROTAC BET degraders...
March 24, 2017: Journal of Medicinal Chemistry
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