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https://www.readbyqxmd.com/read/27922193/phagocytosis-of-collagen-fibrils-by-fibroblasts-in-vivo-is-independent-of-the-uparap-endo180-receptor
#1
Sara Sprangers, Niels Behrendt, Lars Engelholm, Yixuan Cao, Vincent Everts
As a crucial step in ECM remodeling, collagen degradation occurs through different processes, including both extracellular and intracellular degradation. The extracellular pathways of collagen degradation require secretion of collagenolytic proteases, whereas intracellular collagen degradation occurs in the lysosomal compartment after uptake, involving either pre-cleaved or intact fibrillar collagen. The endocytic collagen receptor uPARAP/Endo180 plays an important role in internalization of large collagen degradation products, whereas its role in the phagocytosis of fibrillar collagen has been debated...
December 6, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27922127/variability-of-space-use-patterns-in-a-free-living-eusocial-rodent-ansell-s-mole-rat-indicates-age-based-rather-than-caste-polyethism
#2
Jan Šklíba, Matěj Lövy, Hynek Burda, Radim Šumbera
Eusocial species of African mole-rats live in groups cooperating on multiple tasks and employing division of labour. In captivity, individuals of the same group differ in cooperative contribution as well as in preference for a particular task. Both can be viewed as polyethism. However, little information is available from free-ranging mole-rats, which live in large burrow systems. We made an attempt to detect polyethism in the free-living Ansell's mole-rat (Fukomys anselli) as differences in individuals' space-use patterns...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922109/regulation-of-hepcidin-expression-by-inflammation-induced-activin-b
#3
Yohei Kanamori, Makoto Sugiyama, Osamu Hashimoto, Masaru Murakami, Tohru Matsui, Masayuki Funaba
Activin B is induced in response to inflammation in the liver and enhances hepcidin expression, but the source of activin B and the molecular mechanism underlying hepcidin induction are not clear yet. Lipopolysaccharide (LPS)-induced inflammation induced inhibin βB but not inhibin α or inhibin βA expression in the liver, implicating activin B induction. Immunoreactive inhibin βB was detected in endothelial cells and Kupffer cells in LPS-treated liver. Activin B, but not activin A or activin AB, directly increased hepcidin expression...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921433/-is-glucosis-only-basic-energy-substrate
#4
Luboš Sobotka
At present time glucose is primarily considered as basic energy substrate. Therefore, it is recommended to give amount of glucose which is necessary for oxidation and energy production. As critical illness is connected with so-called insulin resistance, it is recommended to reduce the glucose dose and maintain normal blood glucose. Glucose, however, may not only be the principal energy substrate but also the substrate necessary for many metabolic reactions, which are essential for normal reactivity and survival...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27921431/-short-term-and-long-term-glycemic-variability-and-its-relationship-to-microvascular-complications-of-diabetes
#5
Martin Prázný, Jan Škrha, Jan Šoupal, Jan Škrha Jr
Vascular complications of diabetes result from long lasting unsatisfactory glycemic control. We usually assess glycemic control based on the value of glycated hemoglobin HbA1c. The glycated hemoglobin test, however, says nothing about short-term glycemic fluctuations. Recently, continuous monitoring of glycemia has enabled us an in-depth assessment of changes in glucose concentrations, called glycemic variability. In connection with the research into short-term glycemic variability, also the study of long-term fluctuations in glycemic control based on HbA1c variability has now intensified...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27921424/-mind-as-an-immunomodulator
#6
Cyril Höschl, Jiří Horáček
Review paper highlights the connection between psyche and the bodys immune defense mechanisms and summarizes new findings on the relations between nervous and immune systems. The article also briefly describes the outcome of authors own original works on the relationship between infections and schizophrenia, and their notice about possible immunomodulatory effects of antipsychoticsKey words: antipsychotics - immunity - infection - inflammation - mind - pain - schizophrenia.
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27921386/cytotoxicity-of-a-series-of-norcantharidin-inspired-tetrahydroepoxyisoindole-carboxamides
#7
Christopher Peter Gordon, Lawson K Spare, Pasquale Falsetta, Jayne Gilbert, David G Harman, Mark A Baker, Feng Li, Adam McCluskey, Jack K Clegg, Jennette A Sakoff, Janice R Aldrich-Wright
A series of 28 norcantharidin (NorC) inspired analogues were accessed via a robust two-step Ugi intramolecular Diels-Alder (IMDA) sequence. Four analogues displayed equipotent whole cell cytotoxicity to NorC and cisplatin against a number of cancer cell lines and a normal breast cell line (MCF10A). Notably (3S,3aS,6R)-2-benzyl-7-methyl-N-(naphthalen-2-yl)-1-oxo-1,2,3,6-tetrahydro-3a,6-epoxyisoindole-3-carboxamide (trans-27) displayed superior whole cell activity against breast (MCF-7, GI50 = 2.9 µM) and colon (HT29, GI50 = 6...
December 6, 2016: ChemMedChem
https://www.readbyqxmd.com/read/27921207/pattern-of-venous-collateral-development-after-splenic-vein-occlusion-in-an-extended-whipple-procedure-whipple-at-the-splenic-artery-and-long-term-results
#8
Ismael Dominguez Rosado, Sanjeev Bhalla, Luis A Sanchez, Ryan C Fields, William G Hawkins, Steven M Strasberg
BACKGROUND: Extended Whipple procedures may require division of the splenic vein (SV). Controversy exists regarding the risk of sequelae of sinistral portal hypertension when the SV is ligated without reimplantation. The aim of this study was to identify postoperative venous collateral patterns and sequelae of SV ligation, as well as long-term results in an extended Whipple procedure. STUDY DESIGN: Patients who had an extended Whipple procedure (Whipple at the Splenic Artery or WATSA) were entered in an institutional database...
December 5, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27921140/cocaine-administration-dose-dependently-increases-sexual-desire-and-decreases-condom-use-likelihood-the-role-of-delay-and-probability-discounting-in-connecting-cocaine-with-hiv
#9
Matthew W Johnson, Evan S Herrmann, Mary M Sweeney, Robert S LeComte, Patrick S Johnson
OBJECTIVES: Although cocaine use has been linked to sexual HIV risk behavior for decades, the direct effects of cocaine on sexual desire and sexual decision-making are unexamined. Research suggests delay discounting (devaluation of future outcomes) and probability discounting (devaluation of uncertain outcomes) play roles in condom use decisions. This study examined the effect of cocaine administration on sexual desire, hypothetical condom use, and discounting tasks. METHODS: This double-blind, within-subjects study compared the effects of 0, 125, and 250 mg/70 kg oral cocaine HCl in 12 cocaine users...
December 5, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/27921134/mental-disorders-as-networks-of-problems-a-review-of-recent-insights
#10
REVIEW
Eiko I Fried, Claudia D van Borkulo, Angélique O J Cramer, Lynn Boschloo, Robert A Schoevers, Denny Borsboom
PURPOSE: The network perspective on psychopathology understands mental disorders as complex networks of interacting symptoms. Despite its recent debut, with conceptual foundations in 2008 and empirical foundations in 2010, the framework has received considerable attention and recognition in the last years. METHODS: This paper provides a review of all empirical network studies published between 2010 and 2016 and discusses them according to three main themes: comorbidity, prediction, and clinical intervention...
December 5, 2016: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/27921116/-the-pressure-equalizing-function-of-the-eustachian-tube-evaluation-in-a%C3%A2-hypo-hyperbaric-pressure-chamber
#11
S Jansen, M F Meyer, K-B Hüttenbrink, D Beutner
BACKGROUND: The Eustachian tube connects the tympanic cavity (cavum tympani) and the nasopharynx, and enables pressure equalization between the middle ear and ambient pressure. Functional pressure compensation is very important for flying and diving in particular, due to non-physiologically large pressure differences. OBJECTIVE: Evaluation of the pressure-equalizing function of the Eustachian tube is still a clinical challenge. This review article evaluates the existing data...
December 5, 2016: HNO
https://www.readbyqxmd.com/read/27921043/metabolic-vascular-syndrome-new-insights-into-a-multidimensional-network-of-risk-factors-and-diseases
#12
REVIEW
Gerhard H Scholz, Markolf Hanefeld
BACKGROUND: Since 1981, we have used the term metabolic syndrome to describe an association of a dysregulation in lipid metabolism (high triglycerides, low high-density lipoprotein cholesterol, disturbed glucose homeostasis (enhanced fasting and/or prandial glucose), gout, and hypertension), with android obesity being based on a common soil (overnutrition, reduced physical activity, sociocultural factors, and genetic predisposition). We hypothesized that main traits of the syndrome occur early and are tightly connected with hyperinsulinemia/insulin resistance, procoagulation, and cardiovascular diseases...
October 2016: Visceral Medicine
https://www.readbyqxmd.com/read/27921041/signaling-crosstalk-between-tubular-epithelial-cells-and-interstitial-fibroblasts-after-kidney-injury
#13
REVIEW
Roderick J Tan, Dong Zhou, Youhua Liu
BACKGROUND: A wide variety of kidney diseases ultimately lead to tubulointerstitial damage. The initial site of injury is usually the renal tubules, with activation of fibroblasts occurring later. Self-limited disease is characterized by transient cellular activation with timed deactivation and ultimately a return to normal functioning, whereas sustained responses characterize chronic disease and the development of irreversible fibrosis. The underlying molecular and cellular mechanisms of this cascade of events remain an area of active research...
October 2016: Kidney Diseases
https://www.readbyqxmd.com/read/27921039/clinical-manifestation-and-management-of-adpkd-in-western-countries
#14
REVIEW
Claudia Sommerer, Martin Zeier
BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) is the most common hereditary kidney disease in Western countries. The prevalence is between 2.4/10,000 and 3.9/10,000. ADPKD represents a systemic disease resulting in deterioration in renal function. Until now, mutations in two genes (PKD1 and PKD2) have been identified. Recently, the European Medicines Agency (EMA) approved the use of the vasopressin V2 receptor antagonist tolvaptan to slow the progression of cyst development and renal insufficiency connected with ADPKD in adult patients with chronic kidney disease stages 1-3 at initiation of treatment with evidence of rapidly progressing disease...
October 2016: Kidney Diseases
https://www.readbyqxmd.com/read/27920976/resting-state-theta-band-connectivity-and-graph-analysis-in-generalized-social-anxiety-disorder
#15
Mengqi Xing, Reza Tadayonnejad, Annmarie MacNamara, Olusola Ajilore, Julia DiGangi, K Luan Phan, Alex Leow, Heide Klumpp
BACKGROUND: Functional magnetic resonance imaging (fMRI) resting-state studies show generalized social anxiety disorder (gSAD) is associated with disturbances in networks involved in emotion regulation, emotion processing, and perceptual functions, suggesting a network framework is integral to elucidating the pathophysiology of gSAD. However, fMRI does not measure the fast dynamic interconnections of functional networks. Therefore, we examined whole-brain functional connectomics with electroencephalogram (EEG) during resting-state...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27920935/cerebral-foreign-body-granuloma-in-brain-triggering-generalized-seizures-without-obvious-craniocerebral-injury-a-case-report-and-review-of-the-literature
#16
Nina Brawanski, Peter Baumgarten, Jürgen Konczalla, Volker Seifert, Christian Senft
BACKGROUND: Intracerebral foreign body granuloma is rarely reported. We present the case of a male patient with a cerebral foreign body granuloma. CASE DESCRIPTION: Initial admission of a 67-year-old male patient was after an aphasia followed by secondary generalized seizures. Cranial computed tomography (CCT) showed a metal-dense, wedge-shaped foreign body in the range of the frontal sinus on the left side, breaking through the frontal sinus, and creating a connection to the frontal cerebral lobe...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27920933/crystal-structure-of-1-3-bis-3-tert-butyl-2-hy-droxy-5-methyl-benz-yl-1-3-diazinan-5-ol-monohydrate
#17
Augusto Rivera, Ingrid Miranda-Carvajal, Jaime Ríos-Motta, Michael Bolte
In the title hydrate, C28H42N2O3·H2O, the central 1,3-diazinan-5-ol ring adopts a chair conformation with the two benzyl substituents equatorial and the lone pairs of the N atoms axial. The dihedral angle between the aromatic rings is 19.68 (38)°. There are two intra-molecular O-H⋯N hydrogen bonds, each generating an S(6) ring motif. In the crystal, classical O-H⋯O hydrogen bonds connect the 1,3-diazinane and water mol-ecules into columns extending along the b axis. The crystal structure was refined as a two-component twin with a fractional contribution to the minor domain of 0...
September 1, 2016: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/27920928/-trans-chlorido-2-rp-2-methyl-sulfan-yl-ferro-cen-yl-2-5-6-7-tetra-hydro-pyrrolo-1-2-c-imidazol-3-yl-idene-bis-tri-phenyl-phosphane-%C3%AE%C2%BAp-palladium-ii-hexa-fluorido-phosphate-di-chloro-form-disolvate
#18
Cody Wilson-Konderka, Alan J Lough, Costa Metallinos
The title solvated complex, [FePd(C5H5)(C12H13N2S)Cl(C18H15P)2]PF6·2CHCl3, bearing a chiral ferrocenyl pyrrolo-imidazolyl-idene N-heterocyclic carbene (NHC) ligand, was synthesized by oxidative addition of a chloro-imidazolium salt to Pd(PPh3)4. The Pd(II) ion is coordinated in a slightly distorted square-planar coordination geometry, with the Cl atom trans to the coordinating C atom of the pyrrolo-imidazolyl-idene ligand. The complex features a pendant thio-ether group that is not involved in coordination to Pd...
September 1, 2016: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/27920918/two-forms-of-naphthalen-1-yl-boronic-acid
#19
Kayleigh Bemisderfer, Alexander Y Nazarenko
Two polymorphs of the title compound, C10H9BO2, were prepared by recystallization from different solvents at room temperature. Both forms demonstrate nearly identical mol-ecular structures with all naphthalene group atoms located in one plane and all boronic acid atoms in another: the dihedral angles between these planes are 39.88 (5) and 40.15 (5)° for the two asymmetric mol-ecules of the ortho-rhom-bic form and 40.60 (3)° for the single asymmetric mol-ecule in the monoclinic form. In each extended structure, mol-ecules form dimers, connected via two O-H⋯O hydrogen bonds...
September 1, 2016: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/27920917/redetermination-of-metarossite-cav-5-2o6%C3%A2-2h2o
#20
Anaïs Kobsch, Robert T Downs, Kenneth J Domanik
The crystal structure of metarossite, ideally CaV2O6·2H2O [chemical name: calcium divanadium(V) hexa-oxide dihydrate], was first determined using precession photographs, with fixed isotropic displacement parameters and without locating the positions of the H atoms, leading to a reliability factor R = 0.11 [Kelsey & Barnes (1960 ▸). Can. Mineral.6, 448-466]. This communication reports a structure redetermination of this mineral on the basis of single-crystal X-ray diffraction data of a natural sample from the Blue Cap mine, San Juan County, Utah, USA (R1 = 0...
September 1, 2016: Acta Crystallographica. Section E, Crystallographic Communications
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