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Po-Han Chen, Jen-Tsan Chi, Michael Boyce
In metazoans, thousands of intracellular proteins are modified with O-linked β-N-acetylglucosamine (O-GlcNAc) in response to a wide range of stimuli and stresses. In particular, a complex and evolutionarily conserved interplay between O-GlcNAcylation and oxidative stress has emerged in recent years. Here, we review the current literature on the connections between O-GlcNAc and oxidative stress, with a particular emphasis on major signaling pathways, such as KEAP1/NRF2, FOXO, NFκB, p53 and cell metabolism...
March 14, 2018: Glycobiology
Nasir Mehmood, Ranim Alayoubi, Eric Husson, Cédric Jacquard, Jochen Büchs, Catherine Sarazin, Isabelle Gosselin
Imidazolium ionic liquids (ILs) are promising solvents for lignocellulosic biomass (LCB) pretreatment and allow the achievement of higher ethanolic yields after enzymatic hydrolysis and ethanolic fermentation. However, residual ILs entrapped in pretreated biomass are often toxic for fermentative microorganisms, but interaction mechanisms between ILs and cells are still unknown. Here we studied the effects of 1-ethyl-3-methylimidazolium acetate [Emim][OAc] and 1-ethyl-3-methylimidazolium methylphosphonate [Emim][MeO(H)PO₂] on Kluyveromyces marxianus , a thermotolerant ethanologenic yeast...
March 16, 2018: International Journal of Molecular Sciences
Marco Helbich, Derek de Beurs, Mei-Po Kwan, Rory C O'Connor, Peter P Groenewegen
Background: Natural outdoor environments, such as green spaces (ie, grass, forests, or parks), blue spaces (ie, visible bodies of fresh or salt water), and coastal proximity, have been increasingly shown to promote mental health. However, little is known about how and the extent to which these natural environments are associated with suicide mortality. Our aim was to investigate whether the availability of green space and blue space within people's living environments and living next to the coast are protective against suicide mortality...
March 2018: Lancet. Planetary Health
Luther Elliott, Andrew Golub, Alexander Bennett
This study examines the temporal relationship between prescription opioid (PO) and heroin use among veterans in New York City. Drawing on survey data from a convenience sample of 214 Operation Enduring Freedom/Operation Iraqi Freedom/Operation New Dawn (OEF/OIF/OND)-era opioid-using military veterans, analyses demonstrate substantial cohort-level variation. Most notably, heroin use prior to PO initiation and prior to military enlistment was reported more frequently among the cohorts born prior to 1970 and after 1984...
2018: Military Behavioral Health
Po-Chi Chan, Cheng-Yu Wei, Guang-Uei Hung, Pai-Yi Chiu
Objectives: The association of vascular risk factors (VRFs) with incidence of Alzheimer's disease (AD) and vascular dementia (VaD) has been well studied. However, the association between VRFs and non-AD dementia is seldom investigated. In this study, we aim to compare the concurrence of VRFs of Lewy body dementia (LBD) to AD. Materials & Methods: We consecutively enrolled patients with dementia with Lewy bodies (DLB), Parkinson's disease dementia (PDD), and AD, and the prevalence of arterial hypertension, diabetes mellitus, hypercholesterolemia, hyperlipidemia, smoking, and obesity was assessed and compared...
March 2018: Brain and Behavior
Jin-Ming Wu, Te-Wei Ho, Ching-Yao Yang, Po-Huang Lee, Yu-Wen Tien
Background: This population-based study evaluated changes in glucose metabolism after distal pancreatectomy (DP). Methods: Data from the Taiwan National Health Insurance Research Database was collected from 2001 to 2010. Of 1,980 patients who underwent DP, 507 had diabetes and 1,410 did not. Results: Of the 1,410 non-diabetic pre-DP patients, 312 (22.1%) developed newly-diagnosed diabetes after DP. Multiple logistic regression analysis revealed that dyslipidemia [hazard ratio = 1...
February 16, 2018: Oncotarget
Johann Bartko, Christian Schoergenhofer, Michael Schwameis, Patricia Wadowski, Jacek Kubica, Bernd Jilma, Eva-Luise Hobl
Aspirin is a cornerstone in the anti-platelet therapy of acute coronary syndromes. Co-administration of morphine may potentially influence the intestinal absorption, pharmacokinetics and pharmacodynamics as seen with P2Y12-inhibitors. In this trial, healthy volunteers were randomized to receive morphine (5 mg, iv bolus injection) at one of 7 different time points before, after or with aspirin (162 mg, po) in a double-blind, placebo controlled fashion. After a 14-day washout, subjects received placebo instead of morphine...
March 14, 2018: Journal of Pharmacology and Experimental Therapeutics
Haolong Cong, Ning Du, Yang Yang, Lei Song, Wenliang Zhang, Po Tien
No abstract text is available yet for this article.
April 1, 2018: Journal of Virology
Chia-Yang Hsu, Po-Hong Liu, Shu-Yein Ho, Cheng-Yuan Hsia, Praneeth Kudaravalli, Yun-Hsuan Lee, Yi-You Chiou, Ya-Ju Tsai, Yi-Hsiang Huang, Teh-Ia Huo
BACKGROUND: The nomogram of the Barcelona Clinic Liver Cancer (BCLC) for hepatocellular carcinoma (HCC) has been used for outcome prediction. Patients with BCLC stage C HCC often undergo anti-cancer therapy against current treatment guidelines in real world practice. We aimed to use the nomogram to provide guidance on treatment selection for BCLC stage C patients. METHODS: A total of 1317 patients with stage C HCC were retrospectively analyzed and divided into four groups by nomogram points...
March 14, 2018: BMC Cancer
Heather Flanagan-Steet, Courtney Christian, Po-Nien Lu, Megan Aarnio-Peterson, Laura Sanman, Stephanie Archer-Hartmann, Parastoo Azadi, Matthew Bogyo, Richard A Steet
Cysteine cathepsins play roles during development and disease beyond their function in lysosomal protein turnover. Here, we leverage a fluorescent activity-based probe (ABP), BMV109, to track cysteine cathepsins in normal and diseased zebrafish embryos. Using this probe in a model of mucolipidosis II, we show that loss of carbohydrate-dependent lysosomal sorting alters the activity of several cathepsin proteases. The data support a pathogenic mechanism where TGF-ß signals enhance the proteolytic processing of pro-Ctsk by modulating the expression of chondroitin 4-sulfate (C4-S)...
March 13, 2018: Cell Reports
Wataro Tsuruta, Tetsuya Yamamoto, Go Ikeda, Masayuki Sato, Yoshiro Ito, Tomoji Takigawa, Aiki Marushima, Yasunobu Nakai, Yuji Matsumaru, Akira Matsumura
BACKGROUND: Endovascular surgery for vertebral artery dissections (VADs) carries the risk of spinal cord infarction (SCI). Although SCI in the region of the anterior spinal artery (ASA) has been reported, SCI in the region of the posterior spinal artery (PSA) is rare. OBJECTIVE: To investigate PSA infarction after endovascular surgery for VAD. METHODS: Infarction in the region of the PSA after endovascular surgery for VADs carried out in consecutive 21 cases was investigated...
March 9, 2018: Operative Neurosurgery (Hagerstown, Md.)
Po-Chi Chan, Wei-Lun Chang, Min-Hsien Hsu, Chung-Hsin Yeh, Chih-Hsin Muo, Ko-Shih Chang, Chung Y Hsu, Bor-Tsang Wu, Ching-Hsiang Lai, Ching-Hsiao Lee, Hua Ting, Fung-Chang Sung
No study has investigated the role of pancreatic cancer in the stroke risk using population data. We used claims data obtained from a universal health insurance program of Taiwan to evaluate the stroke risk in pancreatic cancer patients.From the catastrophic disease registry of the insurance, we identified 7479 patients with pancreatic malignancy without stroke history from 2000 to 2009. The comparison cohort consisted of 29,916 individuals identified from 1 million insured people without cancer and stroke history, matching with the cancer cohort by propensity score...
March 2018: Medicine (Baltimore)
Ching-Shu Chiang, Po-Lin Chen, Tzu-Ting Kuo, I-Ming Chen, Nai-Yuan Wu, Hsiao-Huang Chang
RATIONALE: Intravascular leiomyomatosis (IVL) is a rare nonmalignant tumor that can be fatal if untreated. PATIENT CONCERNS: A 49-year-old nulliparous Asian woman who underwent hysterectomy and left salpingo-oophorectomy for multiple uterine leiomyomas 18 months prior presented complaining of intermittent palpitation and chest tightness for approximately 1 month. Echocardiography revealed a large mobile tumor mass extending from the inferior vena cava (IVC) to the right atrium that partially obstructed IVC flow and tricuspid inflow...
March 2018: Medicine (Baltimore)
Elizabeth Delve, Justin Parreno, Vivian Co, Po-Han Wu, Jasmine Chong, Matteo Di Scipio, Rita A Kandel
Osteoarthritis (OA) is a degenerative disease that initially manifests as loss of the superficial zone (SZ) of articular cartilage. SZ chondrocytes (SZC) differ in morphology from other chondrocytes as they are elongated and oriented parallel to the tissue surface. Proteoglycan 4 (PRG4) and tenascin C (TNC) are molecules expressed by SZC, which have been shown to be chondroprotective. Identification of the signalling pathway(s) regulating expression of SZ molecules may lead to a therapeutic target that can be used to delay or prevent the onset of OA...
March 14, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Kévin Rinaldi, Than Tran Trong, Florence Riera, Katharina Appel, Olivier Hue
Endurance exercise performance is impaired in a hot and humid environment. This study compared the effects of cold water immersion, with (CMWI) and without (CWI) menthol, on the recovery of cycling performance. Eight heat-acclimatized cyclists (24.1 ± 4.4 years; 65.3 ± 5.2 kg) performed two randomized sessions, each consisting of a 20-min cycling trial (T1) followed by 10 min of immersion during recovery and then a second 20-min cycling trial (T2). Mean power output (PO) and perceived exertion (RPE) were recorded for both trials...
March 13, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Thonimar Vieira Alencar, Driele von Dreifus, Maria Gabriela Cota Moreira, Gomes S N Eliel, Chao-Hui Yeh, Po-Wen Chiu, Marcos A Pimenta, Leandro Malard, Ana M de Paula
We report on photoluminescence emission imaging by femtosecond laser excitation on twisted bilayer graphene samples. The emission images are obtained by tuning the excitation laser energies in the near infrared region. We demonstrate an increase of the photoluminescence emission at excitation energies that depends on the bilayer twist angle. The results show a peak for the light emission when the excitation is in resonance with transitions at the van Hove singularities in the electronic density of states. We measured the photoluminescence excitation peak position and width for samples with various twist angles showing resonances in the energy range of 1...
March 13, 2018: Journal of Physics. Condensed Matter: An Institute of Physics Journal
Yan Gong, Steven M Smith, Eileen M Handberg, Carl J Pepine, Rhonda M Cooper-DeHoff
The objective of this analysis is to determine the effect of intensive (<120 mm Hg) versus standard (<140 mm Hg) systolic blood pressure (SBP) targets on cardiovascular (CV) outcomes among SPRINT participants with low-normal or high-normal fasting glucose (FG). We categorized the 5425 SPRINT participants with FG <100 mg/dL into 2 groups: <85 mg/dL (low-normal) and 85 to <100 mg/dL (high-normal). Among participants with low-normal glucose, there was no significant difference in the primary outcome (PO) between the 2 treatment arms (adjusted hazard ratio, HR: 1...
March 13, 2018: Journal of Clinical Hypertension
Pei-Lin Lee, Kun-Hsien Chou, Cheng-Hsien Lu, Hsiu-Ling Chen, Nai-Wen Tsai, Ai-Ling Hsu, Meng-Hsiang Chen, Wei-Che Lin, Ching-Po Lin
OBJECTIVES: To identify disease-related spatial covariance patterns of grey matter volume as an aid in the classification of Parkinson's disease (PD). METHODS: Seventy structural covariance networks (SCNs) based on grey matter volume covariance patterns were defined using independent component analysis with T1-weighted structural MRI scans (discovery sample, 70 PD patients and 70 healthy controls). An image-based classifier was constructed from SCNs using a multiple logistic regression analysis with a leave-one-out cross-validation-based feature selection scheme...
March 12, 2018: European Radiology
Chien-Liang Liu, Po-Sheng Yang, Ming-Nan Chien, Yuan-Ching Chang, Chi-Hsin Lin, Shih-Ping Cheng
SPINT1, also known as HAI-1, is a Kunitz-type serine protease inhibitor that inhibits multiple proteases including hepatocyte growth factor (HGF) activator and matriptase. SPINT1 has been shown to modulate HGF/MET activation in certain cancer types. In the present study, we analyzed microarray datasets and found that SPINT1 was consistently upregulated in differentiated thyroid cancer. SPINT1 protein expression was investigated using tissue microarrays and independent samples of our 143 patients. Strong SPINT1 expression was observed in 61-68% of papillary thyroid cancer and 41-50% of follicular thyroid cancer...
March 12, 2018: Histochemistry and Cell Biology
D Riedl, R Gastl, E Gamper, C R Arnold, D Dejaco, F Schoellmann, G Rumpold
BACKGROUND: Cancer patients frequently suffer from physical and psychosocial impairments due to their disease and its treatment. Psychooncology (PO) can help to cope with stress resulting from outpatient radiotherapy (RT) treatment. There are currently few data regarding patients' wishes for PO support. The aim of this study was to investigate the number of patients with a wish for PO, treatment paths, and predictors of the wish for PO among cancer patients at the beginning of RT. METHODS: The results of routine psychological stress screening (Hornheide screening instrument; cut-off  ≥ 4) of 944 cancer patients between 2015 and 2017 were analyzed in a retrospective cross-sectional study...
March 12, 2018: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
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