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https://www.readbyqxmd.com/read/28809959/expression-and-activity-of-angiotensin-regulating-enzymes-is-associated-with-prognostic-outcome-in-clear-cell-renal-cell-carcinoma-patients
#1
Peio Errarte, Maider Beitia, Itxaro Perez, Lorea Manterola, Charles H Lawrie, Jon Danel Solano-Iturri, Julio Calvete-Candenas, Miguel Unda, José I López, Gorka Larrinaga
The discovery of the intrarenal renin-angiotensin system (iRAS), which regulates angiogenesis, cell differentiation and proliferation, has opened new perspectives in the knowledge of kidney carcinogenesis. In this study we analyzed the immunohistochemical expression and fluorimetric activity of four key peptidases of iRAS in tumor tissue (n = 144) and serum samples (n = 128) from patients with renal neoplasms. Neutral endopeptidase (NEP/CD10), Angiotensin-converting enzyme-2 (ACE2), and aminopeptidase A (APA) were expressed in tumor cells whilst Angiotensin-converting enzyme (ACE) was expressed in the endothelial cells of intratumor blood vessels...
2017: PloS One
https://www.readbyqxmd.com/read/28805245/tropical-rainforest-carbon-sink-declines-during-el-ni%C3%A3-o-as-a-result-of-reduced-photosynthesis-and-increased-respiration-rates
#2
Molly A Cavaleri, Adam P Coble, Michael G Ryan, William L Bauerle, Henry W Loescher, Steven F Oberbauer
Changes in tropical forest carbon sink strength during El Niño Southern Oscillation (ENSO) events can indicate future behavior under climate change. Previous studies revealed ˜6 Mg C ha(-1)  yr(-1) lower net ecosystem production (NEP) during ENSO year 1998 compared with non-ENSO year 2000 in a Costa Rican tropical rainforest. We explored environmental drivers of this change and examined the contributions of ecosystem respiration (RE) and gross primary production (GPP) to this weakened carbon sink. For 1998-2000, we estimated RE using chamber-based respiration measurements, and we estimated GPP in two ways: using (1) the canopy process model MAESTRA, and (2) combined eddy covariance and chamber respiration data...
August 14, 2017: New Phytologist
https://www.readbyqxmd.com/read/28799847/the-willingness-of-people-who-inject-drugs-in-boston-to-use-a-supervised-injection-facility
#3
Casey León, Lena Cardoso, Sarah Mackin, Barry Bock, Jessie M Gaeta
BACKGROUND: In Massachusetts, the number of opioid-related deaths has increased 350% since 2000. In the setting of increasing overdose deaths, one potential intervention is Supervised Injection Facilities (SIFs). This study explores willingness of people who inject drugs in Boston to use a SIF and examines factors associated with willingness. METHODS: A cross-sectional survey of a convenience sample of 237 people who inject drugs and utilize Boston's needle exchange program (NEP)...
August 11, 2017: Substance Abuse
https://www.readbyqxmd.com/read/28771913/influence-of-early-phase-clinical-trial-enrollment-on-patterns-of-end-of-life-care-for-children-with-advanced-cancer
#4
Prasanna Ananth, Chalinee Monsereenusorn, Clement Ma, Hasan Al-Sayegh, Joanne Wolfe, Carlos Rodriguez-Galindo
We conducted a retrospective cohort study of 125 pediatric oncology patients who died in 2010-2014 to explore how healthcare utilization, pediatric palliative care (PPC) receipt, and end-of-life care (EOLC) differed between patients enrolled in early phase clinical trials (EP) and those not enrolled (NEP). Baseline characteristics and healthcare utilization did not significantly differ between groups. EP patients received PPC consultation closer to death than NEP patients (median days before death = 58 [interquartile range = 16-84] vs...
August 3, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28765884/enhanced-expression-of-natriuretic-peptide-receptor-a-and-b-in-neutrophils-of-culprit-lesions-in-patients-with-acute-myocardial-infarction
#5
Masashi Nakagawa, Takahiko Naruko, Kenichi Sugioka, Chizuko Kitabayashi, Nobuyuki Shirai, Masahiko Takagi, Minoru Yoshiyama, Masahiko Ohsawa, Makiko Ueda
Natriuretic peptides and their specific receptors have been suggested to have regulatory effects on smooth muscle cell (SMC) growth and inflammatory cell reactions. However, the roles of natriuretic peptide receptor A (NPR‑A) and B (NPR‑B) in unstable plaques remain to be studied in detail. Frozen sections from 82 coronary artery segments were used. These segments were obtained at autopsy from 13 patients with acute myocardial infarction (AMI; 7 ruptured and 6 eroded plaques) and from 30 patients with non‑cardiovascular diseases...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28763653/land-use-change-effects-on-ecosystem-carbon-budget-in-the-sichuan-basin-of-southwest-china-conversion-of-cropland-to-forest-ecosystem
#6
Xiaoguo Wang, Minghua Zhou, Tao Li, Yun Ke, Bo Zhu
In the humid subtropics, conversion of cropland to forest has been recognized to influence carbon cycling (e.g., soil CO2 emissions) and the associated ecosystem carbon balance. A three-year field study was conducted in situ to quantitatively evaluate effects of land use change on carbon budget in a cropland (under winter wheat-summer maize rotation) comparison with the adjacent forest ecosystem. During the three-year experimental period, on average, soil heterotrophic respirations were 35.19mgC·m(-2)·h(-1) for the cropland and 40...
July 27, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28762584/drug-related-stigma-and-access-to-care-among-people-who-inject-drugs-in-vietnam
#7
Chiao-Wen Lan, Chunqing Lin, Duong Cong Thanh, Li Li
INTRODUCTION AND AIMS: There are considerable challenges faced by people with a history of injecting drug use (PWID) in Vietnam, including drug-related stigma and lack of access to healthcare. Seeking and utilising healthcare, as well as harm reduction programs for PWID, are often hampered by drug-related stigma. This study aimed to examine the impacts of drug-related stigma on access to care and utilisation of harm reduction programs among PWID in Vietnam. DESIGN AND METHODS: A cross-sectional study was conducted in two provinces in Vietnam, Phú Thọ and Vinh Phúc...
August 1, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28757920/hindi-version-of-short-form-of-douleur-neuropathique-4-s-dn4-questionnaire-for-assessment-of-neuropathic-pain-component-a-cross-cultural-validation-study
#8
Kapil Gudala, Babita Ghai, Dipika Bansal
BACKGROUND: Pain with neuropathic characteristics is generally more severe and associated with a lower quality of life compared to nociceptive pain (NcP). Short form of the Douleur Neuropathique en 4 Questions (S-DN4) is one of the most used and reliable screening questionnaires and is reported to have good diagnostic properties. This study was aimed to cross-culturally validate the Hindi version of the S-DN4 in patients with various chronic pain conditions. METHODS: The S-DN4 is already translated into the Hindi language by Mapi Research Trust...
July 2017: Korean Journal of Pain
https://www.readbyqxmd.com/read/28752196/persistent-disadvantages-or-new-opportunities-the-role-of-agency-and-structural-constraints-for-low-achieving-adolescents-school-to-work-transitions
#9
Anne Christine Holtmann, Laura Menze, Heike Solga
School leavers with low educational attainment face great difficulties in their school-to-work transitions. They are, however, quite heterogeneous in terms of their personal and social resources. These within-group differences may influence who shows initiative during the school-to-work transition period and thereby helps employers recognize their learning potential at labor market entry. Yet this recognition also depends on the ways employers select applicants, which may prevent them from discovering such within-group differences...
July 27, 2017: Journal of Youth and Adolescence
https://www.readbyqxmd.com/read/28743230/cart-modulates-beta-amyloid-metabolism-associated-enzymes-and-attenuates-memory-deficits-in-app-ps1-mice
#10
Kailin Yin, Jiali Jin, Xiaolei Zhu, Linjie Yu, Sulei Wang, Lai Qian, Lijuan Han, Yun Xu
INTRODUCTION: Cocaine- and amphetamine-regulated transcript (CART) peptide has been demonstrated to exert neuroprotective effects in stroke and some neurodegeneration diseases. In current study, we investigated the protective effects and underlying mechanisms of CART in APP/PS1 mice. METHODS: The protein levels of CART, soluble Aβ1-40 and Aβ1-42 were measured in the hippocampus of APP/PS1 mice by enzyme-linked immunosorbent assay. We determined the mRNA and protein levels of Aβ metabolism-associated enzymes including neprilysin (NEP), insulin-degrading enzyme (IDE), receptor for advanced glycation end products (RAGE), and low-density lipoprotein receptor-related protein 1 (LRP-1) in the hippocampus of APP/PS1 mice using real-time PCR and western blotting...
July 25, 2017: Neurological Research
https://www.readbyqxmd.com/read/28736137/nogo-presence-is-inversely-associated-with-shifts-in-cortical-microglial-morphology-following-experimental-diffuse-brain-injury
#11
Jenna M Ziebell, Helen Ray-Jones, Jonathan Lifshitz
Diffuse traumatic brain injury (TBI) initiates secondary pathology, including inflammation and reduced myelination. Considering these injury-related pathologies, the many states of activated microglia as demonstrated by differing morphologies would form, migrate, and function in and through fields of growth-inhibitory myelin byproduct, specifically Nogo. Here we evaluate the relationship between inflammation and reduced myelin antigenicity in the wake of diffuse TBI and present the hypothesis that the Nogo-66 receptor antagonist peptide NEP(1-40) would reverse the injury-induced shift in distribution of microglia morphologies by limiting myelin-based inhibition...
July 20, 2017: Neuroscience
https://www.readbyqxmd.com/read/28734064/extensive-seed-and-pollen-dispersal-and-assortative-mating-in-the-rain-forest-tree-entandrophragma-cylindricum-meliaceae-inferred-from-indirect-and-direct-analyses
#12
F K Monthe, O J Hardy, J L Doucet, J Loo, J Duminil
Pollen and seed dispersal are key processes affecting the demographic and evolutionary dynamics of plant species, and are also important considerations for the sustainable management of timber trees. Through direct and indirect genetic analyses we studied the mating system and the extent of pollen and seed dispersal in an economically-important timber species, Entandrophragma cylindricum (Meliaceae). We genotyped adult trees, seeds and saplings from a 400-ha study plot in a natural forest from East Cameroon using eight nuclear microsatellite markers...
July 22, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28727698/high-prevalence-of-neuropathic-pain-component-in-patients-with-low-back-pain-evidence-from-meta-analysis
#13
Kapil Gudala, Dipika Bansal, Rambabu Vatte, Babita Ghai, Fabrizio Schifano, Chandrasehkar Boya
BACKGROUND: Low back pain (LBP) is a complex syndrome which includes a nociceptive (NcP) component, a neuropathic (NeP) component, or a mixture of components (mixed pain). The NeP component (NePC) in LBP is defined as the presence of NeP with or without an NcP. OBJECTIVE: This meta-analysis aimed at assessing the pooled prevalence of NePC in patients with LBP and at identifying the factors causing significant heterogeneity in reported prevalence. STUDY DESIGN: Meta-analysis...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28721089/combination-treatment-of-neuropathic-pain-danish-expert-recommendations-based-on-a-delphi-process
#14
EDITORIAL
Jakob Vormstrup Holbech, Anne Jung, Torsten Jonsson, Mette Wanning, Claus Bredahl, Flemming W Bach
BACKGROUND: Current Danish treatment algorithms for pharmacological treatment of neuropathic pain (NeP) are tricyclic antidepressants (TCA), gabapentin and pregabalin as first-line treatment for the most common NeP conditions. Many patients have insufficient pain relief on monotherapy, but combination therapy had not been included in guidelines until recently. Based on clinical empiricism and scientific evidence, a Delphi consensus process provided a consolidated guidance on pharmacological combination treatment of NeP...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28720068/inhibitory-effect-of-par-4-combined-with-cisplatin-on-human-wilms-tumor-cells
#15
Jun Wang, Yunjie Li, Fangfang Ma, Huifeng Zhou, Rong Ding, Binbin Lu, Li Zou, Junxia Li, Rugang Lu
Wilms' tumor is associated with a high treatment success rate, but there is still a risk of recurrence. Cisplatin, which is one of the chemotherapeutic agents used for its treatment, is associated with a very high rate of resistance. Par-4 (prostate apoptosis response 4) is a tumor suppressor, which is capable of sensitizing tumor cells to chemotherapy. Therefore, the aim of this study was to determine whether combined treatment with Par-4 and cisplatin is effective for inhibiting growth of Wilms' tumor. Wilms' tumor and control cell samples were collected and analyzed by immunofluorescence assay and immunohistochemistry...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28719731/anatomical-versus-functional-motor-points-of-selected-upper-body-muscles
#16
Alexander Franz, Joschua Klaas, Moritz Schumann, Thomas Frankewitsch, Timm J Filler, Michael Behringer
INTRODUCTION: In this study we aimed to identify nerve entry points (NEPs) of superficial skeletal muscles obtained by dissection of 20 human cadavers and compared them with motor points (MP) obtained previously by electrical stimulation. METHODS: The biceps brachii (BB), trapezius (TZ), latissimus dorsi (LD), pectoralis major (Pmaj), and pectoralis minor (Pmin) muscles were dissected from human cadavers. NEP data (mean ± standard deviation) from each muscle were calculated...
July 18, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28714088/pressure-based-alkaline-lysis-with-immunocapture-a-method-for-enhanced-recovery-in-differential-extraction
#17
Vanessa Martinez, Deepthi Nori, Pero Dimsoski, Bruce McCord
A pressure based protocol for differential extraction has been optimized to provide a rapid and selective alternative to conventional differential extraction techniques with the advantage of an increased recovery of genomic DNA. The protocol involves treating cotton swabs containing mixtures of sperm and vaginal epithelial cells with 2 sets of pressure treatment using a Barocycler(®) NEP 2320 in alkaline conditions. This first step quantitatively and selectively removes female epithelial cells. The cotton swab is removed and further treated with alkali at 95°C for the removal of sperm cell DNA...
July 17, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28711849/fertilizer-efficiency-in-wheat-is-reduced-by-ozone-pollution
#18
Malin C Broberg, Johan Uddling, Gina Mills, Håkan Pleijel
Inefficient use of fertilizers by crops increases the risk of nutrient leaching from agro-ecosystems, resulting in economic loss and environmental contamination. We investigated how ground-level ozone affects the efficiency by which wheat used applied nitrogen (N) fertilizer to produce grain protein (NEP, N efficiency with respect to protein yield) and grain yield (NEY, N efficiency with respect to grain yield) across a large number of open-top chamber field experiments. Our results show significant negative ozone effects on NEP and NEY, both for a larger data set obtained from data mining (21 experiments, 70 treatments), and a subset of data for which stomatal ozone flux estimates were available (7 experiments, 22 treatments)...
July 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28689178/sacubitril-valsartan-beyond-natriuretic-peptides
#19
REVIEW
Jagdeep S S Singh, Louise M Burrell, Myriam Cherif, Iain B Squire, Andrew L Clark, Chim C Lang
Natriuretic peptides, especially B-type natriuretic peptide (BNP), have primarily been regarded as biomarkers in heart failure (HF). However, they are also possible therapeutic agents due to their potentially beneficial physiological effects. The angiotensin receptor-neprilysin inhibitor, sacubitril/valsartan, simultaneously augments the natriuretic peptide system (NPS) by inhibiting the enzyme neprilysin (NEP) and inhibits the renin-angiotensin-aldosterone system (RAAS) by blocking the angiotensin II receptor...
July 8, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28685579/synthetic-modification-within-the-rprl-region-of-apelin-peptides-impact-on-cardiovascular-activity-and-stability-to-neprilysin-and-plasma-degradation
#20
Shaun M K McKinnie, Wang Wang, Conrad Fischer, Tyler McDonald, Kevin R Kalin, Xavier Iturrioz, Catherine Llorens-Cortes, Gavin Y Oudit, John C Vederas
Apelin is an important mammalian peptide hormone with a range of physiological roles, especially in the cardiovascular system. The apelinergic system is a promising target for treatment of disease, but this remains to be realized due to rapid proteolysis of apelin-derived peptides by proteases, including neprilysin (NEP). The synthetic analogues modified within the NEP degradation site ("RPRL" motif) showed improved in vitro proteolytic stability while maintaining receptor-binding affinities, with three candidate peptides retaining full cardiovascular activities for potential therapeutic application...
July 27, 2017: Journal of Medicinal Chemistry
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