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https://www.readbyqxmd.com/read/28227740/influence-of-force-feedback-on-grasp-force-modulation-in-prosthetic-applications-a-preliminary-study
#1
Sasha B Godfrey, Matteo Bianchi, Antonio Bicchi, Marco Santello, Sasha B Godfrey, Matteo Bianchi, Antonio Bicchi, Marco Santello, Marco Santello, Antonio Bicchi, Sasha B Godfrey, Matteo Bianchi
In typical movement, humans use a combination of feed-forward and feedback motor control strategies to interact with the world around them. However, when sensory input is impaired or absent, as in the case of various neuropathies or amputation, the ability to perform everyday tasks, like modulating grip force to object weight, can be affected. In this study, we show the results of a preliminary study using a pressure cuff-like force feedback device (CUFF) with the SoftHand Pro (SHP) prosthetic hand. Subjects lifted an object of various weights using their own hand, with the SHP without feedback, and the SHP with force feedback...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28214558/small-heterodimer-partner-shp-contributes-to-insulin-resistance-in-cardiomyocytes
#2
Ricardo Rodríguez-Calvo, Dipanjan Chanda, Yvonne Oligschlaeger, Marie Miglianico, Will A Coumans, Emma Barroso, Marta Tajes, Joost Jfp Luiken, Jan Fc Glatz, Manuel Vázquez-Carrera, Dietbert Neumann
Small heterodimer partner (SHP) is an atypical nuclear receptor expressed in heart that has been shown to inhibit the hypertrophic response. Here, we assessed the role of SHP in cardiac metabolism and inflammation. Mice fed a high-fat diet (HFD) displayed glucose intolerance accompanied by increased cardiac mRNA levels of Shp. In HL-1 cardiomyocytes, SHP overexpression inhibited both basal and insulin-stimulated glucose uptake and impaired the insulin signalling pathway (evidenced by reduced AKT and AS160 phosphorylation), similar to insulin resistant cells generated by high palmitate/high insulin treatment (HP/HI; 500μM/100nM)...
February 15, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28208828/ginkgolic-acid-c-17-1-derived-from-ginkgo-biloba-leaves-suppresses-constitutive-and-inducible-stat3-activation-through-induction-of-pten-and-shp-1-tyrosine-phosphatase
#3
Seung Ho Baek, Jong Hyun Lee, Chulwon Kim, Jeong-Hyeon Ko, Seung-Hee Ryu, Seok-Geun Lee, Woong Mo Yang, Jae-Young Um, Arunachalam Chinnathambi, Sulaiman Ali Alharbi, Gautam Sethi, Kwang Seok Ahn
Ginkgolic acid C 17:1 (GAC 17:1) extracted from Ginkgo biloba leaves, has been previously reported to exhibit diverse antitumor effect(s) through modulation of several molecular targets in tumor cells, however the detailed mechanism(s) of its actions still remains to be elucidated. Signal transducer and activator of transcription 3 (STAT3) is an oncogenic transcription factor that regulates various critical functions involved in progression of diverse hematological malignancies, including multiple myeloma, therefore attenuating STAT3 activation may have a potential in cancer therapy...
February 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28205325/wholegrain-oat-diet-changes-the-expression-of-genes-associated-with-intestinal-bile-acid-transport
#4
Kristina E Andersson, Aakash Chawade, Narda Thuresson, Ana Rascon, Rickard Öste, Olov Sterner, Olof Olsson, Per Hellstrand
SCOPE: The molecular mechanisms underlying the cholesterol-lowering properties of oats are only partly known. To study possible pathways involved, we investigated gene expressions in the liver and small intestine of mice fed oats. METHOD AND RESULTS: Cholesterol and bile acids were analysed in plasma and faeces from LDL-receptor deficient (LDLr(-/-) ) mice fed Western diet with wholegrain oats. A transcriptome analysis of mRNA from liver and jejunum was performed together with quantitative RT-PCR...
February 16, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28204833/small-heterodimer-partner-attenuates-hydrogen-peroxide-induced-expression-of-cyclooxygenase-2-and-inducible-nitric-oxide-synthase-by-suppression-of-activator-protein-1-and-nuclear-factor-%C3%AE%C2%BAb-in-renal-proximal-tubule-epithelial-cells
#5
Jung Sun Park, Hoon In Choi, Eun Hui Bae, Seong Kwon Ma, Soo Wan Kim
The orphan nuclear receptor, small heterodimer partner (SHP), plays a negative regulatory role in innate immune responses and is involved in various inflammatory signaling pathways. In the present study, we aimed to ascertain whether SHP is effective in preventing hydrogen peroxide (H2O2)-induced kidney tubular inflammation and explored the molecular mechanisms underlying the protective effects of SHP. Renal ischemia/reperfusion (I/R) injury was induced in mice by clamping both renal pedicles for 30 min...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28202906/bar502-a-dual-fxr-and-gpbar1-agonist-promotes-browning-of-white-adipose-tissue-and-reverses-liver-steatosis-and-fibrosis
#6
Adriana Carino, Sabrina Cipriani, Silvia Marchianò, Michele Biagioli, Chiara Santorelli, Annibale Donini, Angela Zampella, Maria Chiara Monti, Stefano Fiorucci
Non-alcoholic steatohepatitis (NASH) is a highly prevalent chronic liver disease. Here, we have investigated whether BAR502, a non-bile acid, steroidal dual ligand for FXR and GPBAR1, reverses steato-hepatitis in mice fed a high fat diet (HFD) and fructose. After 9 week, mice on HFD gained ≈30% of b.w (P < 0.01 versus naïve) and were insulin resistant. These overweighting and insulin resistant mice were randomized to receive HFD or HFD in combination with BAR502. After 18 weeks, HFD mice developed NASH like features with severe steato-hepatitis and fibrosis, increased hepatic content of triacylglycerol and cholesterol and expression of SREPB1c, FAS, ApoC2, PPARα and γ, α-SMA, α1 collagen and MCP1 mRNAs...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28199951/a-dioxidovanadium-v-complex-of-nno-donor-schiff-base-as-a-selective-inhibitor-of-protein-tyrosine-phosphatase-1b-synthesis-characterization-and-biological-activities
#7
Yuqi Jia, Liping Lu, Miaoli Zhu, Caixia Yuan, Shu Xing, Xueqi Fu
A new dioxidovanadium (V) complex, VO2(HPPCH) (1) (H2PPCH = N'-picolinoylpyridin-1-ium-2-carbohydrazonate) has been synthesized and characterized by elemental analysis, IR, X-ray diffraction analysis and electrospray ionization mass spectra. Complex 1 crystallized in the monoclinic system with space group P21/c. It potently inhibited PTP1B with IC50 of 0.13 μM, about 7, 15 and 125-fold stronger against PTP1B than over TCPTP, SHP-1 and SHP-2, displaying obvious selectivity against PTP1B. Western blotting analysis indicated that complex 1 effectively increased the phosphorylation of PTP1B substrates, especially the phosphorylation of IR/IGF 1R and IRS-1...
February 6, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28187032/immunohistochemical-detection-of-hematopoietic-cell-specific-protein-tyrosine-phosphatase-tyrosine-phosphatase-shp-1-in-a-series-of-endometrioid-and-serous-endometrial-carcinoma
#8
Giovanna Giordano, Nicoletta Campanini, Matteo Goldoni, Anna M Rodolfi, Francesca Brigati, Carla Merisio, Roberto Berretta
In this study, we evaluated the expression of SHP-1 (PTPN6) in endometrioid (Ec) and serous (Sc) subtypes of endometrial carcinoma by immunohistochemical analysis. In total, 114 patients with Ec carcinoma and 48 patients with Sc carcinoma were enrolled in this study. The correlation between the type of histology, the grade of tumor, the stage of development, and immunoreactivity to SHP-1 was evaluated. Kaplan-Meier and multivariate survival analyses, using a Cox regression model, were performed to establish whether this marker has prognostic value in these malignancies, on the basis of follow-up and stratification of the patients according to their SHP-1 immunoreactivity...
February 9, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28183800/tnfsf15-inhibits-vegf-stimulated-vascular-hyperpermeability-by-inducing-vegfr2-dephosphorylation
#9
Gui-Li Yang, Zilong Zhao, Ting-Ting Qin, Dong Wang, Lijuan Chen, Rong Xiang, Zhen Xi, Rongcai Jiang, Zhi-Song Zhang, Jianning Zhang, Lu-Yuan Li
Vascular hyperpermeability is critical in ischemic diseases, including stroke and myocardial infarction, as well as in inflammation and cancer. It is well known that the VEGF-VEGFR2 signaling pathways are pivotal in promoting vascular permeability; however, counterbalancing mechanisms that restrict vascular permeability to maintain the integrity of blood vessels, are not yet fully understood. We report that TNF superfamily member 15 (TNFSF15), a cytokine largely produced by vascular endothelial cells and a specific inhibitor of the proliferation of these same cells, can inhibit VEGF-induced vascular permeability in vitro and in vivo, and that death receptor 3 (DR3), a cell surface receptor of TNFSF15, mediates TNFSF15-induced dephosphorylation of VEGFR2...
February 9, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28182003/luteolin-selectively-kills-stat3-highly-activated-gastric-cancer-cells-through-enhancing-the-binding-of-stat3-to-shp-1
#10
Shiyu Song, Zhonglan Su, Hui Xu, Mengyuan Niu, Xiufang Chen, Haiyan Min, Bin Zhang, Guibo Sun, Sijing Xie, Hongwei Wang, Qian Gao
The antitumor effect of luteolin, a plant flavonoid, in gastric cancer (GC) cells has not been fully understood. Here we show that luteolin selectively kills STAT3 overactivated GC cells that are often drug resistant. The treatment of luteolin in these GC cells significantly inhibited STAT3 phosphorylation and reduced the expression of STAT3 targeting gene Mcl-1, Survivin and Bcl-xl. Silencing of SHP-1, a protein tyrosine phosphatase, abolished the inhibitory effect of luteolin on STAT3 and cell apoptosis, suggesting that SHP-1 is crucial in luteolin-mediated cellular function...
February 9, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28161947/applying-the-power-of-reticular-chemistry-to-finding-the-missing-alb-mof-platform-based-on-the-6-12-coordinated-edge-transitive-net
#11
Zhijie Chen, Łukasz J Weseliński, Karim Adil, Youssef Belmabkhout, Aleksander Shkurenko, Hao Jiang, Prashant M Bhatt, Vincent Guillerm, Emilie Dauzon, Dong-Xu Xue, Michael O'Keeffe, Mohamed Eddaoudi
Highly connected and edge-transitive nets are of prime importance in crystal chemistry and are regarded as ideal blueprints for the rational design and construction of metal-organic frameworks (MOFs). We report the design and synthesis of highly connected MOFs based on reticulation of the sole two edge-transitive nets with a vertex figure as double six-membered-ring (d6R) building unit, namely the (4,12)-coordinated shp net (square and hexagonal-prism) and the (6,12)-coordinated alb net (aluminum diboride, hexagonal-prism and trigonal-prism)...
February 15, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28160571/the-oncoprotein-gankyrin-promotes-the-development-of-colitis-associated-cancer-through-activation-of-stat3
#12
Toshiharu Sakurai, Hiroaki Higashitsuji, Hiroshi Kashida, Tomohiro Watanabe, Yoriaki Komeda, Tomoyuki Nagai, Satoru Hagiwara, Masayuki Kitano, Naoshi Nishida, Takaya Abe, Hiroshi Kiyonari, Katsuhiko Itoh, Jun Fujita, Masatoshi Kudo
Although long-standing colonic inflammation due to refractory inflammatory bowel disease (IBD) promotes the development of colitis-associated cancer (CAC), the molecular mechanisms accounting for the development of CAC remains largely unknown. In this study, we investigated the role of gankyrin in the development of CAC since gankyrin is overexpressed in sporadic colorectal cancers. We analyzed gene expression of colon tissues obtained from 344 patients with IBD and CAC and found that expression of gankyrin was much higher in colonic mucosa of patients with refractory IBD than in those with IBD in remission...
February 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28153841/cholic-acid-feeding-leads-to-increased-cyp2d6-expression-in-cyp2d6-humanized-mice
#13
Xian Pan, Rebecca Kent, Kyoung-Jae Won, Hyunyoung Jeong
Cytochrome P450 2D6 (CYP2D6) is a major drug-metabolizing enzyme, but factors governing transcriptional regulation of its expression remain poorly understood. Based on previous reports of small heterodimer partner (SHP) playing an important role as a transcriptional repressor of CYP2D6 expression, here we investigated how a known upstream regulator of SHP expression, namely cholestasis triggered by cholic acid (CA) feeding in mice, can lead to altered CYP2D6 expression. To this end, CYP2D6-humanized (Tg-CYP2D6) mice were fed with CA-supplemented or control diet for 14 days, and hepatic expression of multiple genes was examined...
February 2, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28150966/shp-50-years-and-counting
#14
Debra Sue Pate, James L Pate, Shayna Fox Lee
This essay contributes to the celebration of the 50th anniversary of the founding of the Society for the History of Psychology (SHP) in its earlier form (Division 26 of the American Psychological Association). Ronald Mayer's history of the division is updated by providing a description of some of the noteworthy events and changes in the organization since his publication. (PsycINFO Database Record
February 2017: History of Psychology
https://www.readbyqxmd.com/read/28128295/rna-helicase-ddx3-maintains-lipid-homeostasis-through-upregulation-of-the-microsomal-triglyceride-transfer-protein-by-interacting-with-hnf4-and-shp
#15
Tsung-Yuan Tsai, Wei-Ting Wang, Hao-Kang Li, Wei-Ju Chen, Yu-Hong Tsai, Chi-Hong Chao, Yan-Hwa Wu Lee
Multifunctional RNA helicase DDX3 participates in HCV infection, one of the major causes of hepatic steatosis. Here, we investigated the role of DDX3 in hepatic lipid metabolism. We found that HCV infection severely reduced DDX3 expression. Analysis of intracellular triglyceride and secreted ApoB indicated that lipid accumulations were increased while ApoB secretion were decreased in DDX3 knockdown HuH7 and HepG2 cell lines. Down-regulation of DDX3 significantly decreased protein and transcript expression of microsomal triglyceride transfer protein (MTP), a key regulator of liver lipid homeostasis...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28127756/absence-of-dcir1-reduces-the-mortality-rate-of-endotoxemic-hepatitis-in-mice
#16
Toshifumi Ishiguro, Testuya Fukawa, Kotaro Akaki, Koji Nagaoka, Tatsuki Takeda, Yoichiro Iwakura, Kayo Inaba, Kazuhiko Takahara
Dendritic cell immunoreceptor (DCIR) is a C-type lectin with an immunoreceptor tyrosine-based inhibitory motif (ITIM). Mice lacking DCIR1 (Dcir1(-/-) mice) show higher susceptibility to chronic arthritis with increasing age, suggesting that DCIR1 is involved in immune modulation via its ITIM. However, the role of DCIR1 in acute immune responses is not clear. In this study, we explored its role in acute experimental hepatitis. Upon injection of d-galactosamine and lipopolysaccharide, Dcir1(-/-) mice showed decreased mortality rates and serum levels of alanine aminotransferase (ALT)...
January 26, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28126968/cd244-maintains-the-proliferation-ability-of-leukemia-initiating-cells-through-shp-2-p27kip1-signaling
#17
Feifei Zhang, Xiaoye Liu, Chiqi Chen, Jun Zhu, Zhuo Yu, Jingjing Xie, Li Xie, Haitao Bai, Yaping Zhang, Xia Fang, Hao Gu, Chun Wang, Wei Weng, Cheng Cheng Zhang, Guo-Qiang Chen, Aibing Liang, Junke Zheng
Targeting leukemia initiating cells is considered to be an effective way to cure leukemia, for which it is critical to identify novel therapeutic targets. Herein, we demonstrate that CD244, which is initially reported as a key regulator for NK cells, is highly expressed on both mouse and human leukemia initiating cells. Upon CD244 knockdown, human leukemia cell lines and primary leukemia cells have markedly impaired proliferation abilities both in vitro and in vivo. Interestingly, the repopulation ability of both mouse and human hematopoietic stem cells is not impaired upon CD244 knockdown...
January 25, 2017: Haematologica
https://www.readbyqxmd.com/read/28117422/decoding-the-role-of-the-nuclear-receptor-shp-in-regulating-hepatic-stellate-cells-and-liver-fibrogenesis
#18
Sabrina Cipriani, Adriana Carino, Dario Masullo, Angela Zampella, Eleonora Distrutti, Stefano Fiorucci
The small heterodimer partner (SHP) is an orphan nuclear receptor that lacks the DNA binding domain while conserves a putative ligand-binding site, thought that endogenous ligands for this receptor are unknown. Previous studies have determined that SHP activation protects against development of liver fibrosis a process driven by trans-differentiation and activation of hepatic stellate cells (HSCs), a miofibroblast like cell type, involved in extracellular matrix (ECM) deposition. To dissect signals involved in this activity we generated SHP-overexpressing human and rat HSCs...
January 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28109060/morphine-pharmacodynamics-in-mechanically-ventilated-preterm-neonates-undergoing-endotracheal-suctioning
#19
P A Välitalo, Ehj Krekels, M van Dijk, Shp Simons, D Tibboel, Caj Knibbe
To date, morphine pharmacokinetics (PKs) are well quantified in neonates, but results about its efficacy are ambiguous. This work presents an analysis of a previously published study on pain measurements in mechanically ventilated preterm neonates who received either morphine or placebo to improve comfort during invasive ventilation. The research question was whether morphine reduces the pain associated with endotracheal or nasal suctioning before, during, and after suctioning. Because these neonates cannot verbalize their pain levels, pain was assessed on the basis of several validated pain measurement instruments (i...
January 21, 2017: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/28086800/relevance-of-fxr-p62-sqstm1-pathway-for-survival-and-protection-of-mouse-hepatocytes-and-liver-especially-with-steatosis
#20
Sanae Haga, Yimin, Michitaka Ozaki
BACKGROUND: Liver injury and regeneration involve complicated processes and are affected by various physio-pathological conditions. Surgically, severe liver injury after surgical resection often leads to fatal liver failure, especially with some underlying pathological conditions such as steatosis. Therefore, protection from the injury of hepatocytes and liver is a serious concern in various clinical settings. METHODS: We studied the effects of the farnesoid X receptor (FXR) on cell survival and steatosis in mouse hepatocytes (AML12 mouse liver cells) and investigated their molecular mechanisms...
January 13, 2017: BMC Gastroenterology
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