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https://www.readbyqxmd.com/read/28817687/morphologic-phenotypic-and-transcriptomic-characterization-of-classically-and-alternatively-activated-canine-blood-derived-macrophages-in-vitro
#1
Franziska Heinrich, Annika Lehmbecker, Barbara B Raddatz, Kristel Kegler, Andrea Tipold, Veronika M Stein, Arno Kalkuhl, Ulrich Deschl, Wolfgang Baumgärtner, Reiner Ulrich, Ingo Spitzbarth
Macrophages are a heterogeneous cell population playing a pivotal role in tissue homeostasis and inflammation, and their phenotype strongly depends on the micromilieu. Despite its increasing importance as a translational animal model for human diseases, there is a considerable gap of knowledge with respect to macrophage polarization in dogs. The present study comprehensively investigated the morphologic, phenotypic, and transcriptomic characteristics of unstimulated (M0), M1- (GM-CSF, LPS, IFNγ-stimulated) and M2- (M-CSF, IL-4-stimulated)-polarized canine blood-derived macrophages in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28816975/incidence-and-risk-factors-of-posterior-cage-migration-following-decompression-and-instrumented-fusion-for-degenerative-lumbar-disorders
#2
Hua Li, Hui Wang, Yanbo Zhu, Wenyuan Ding, Qian Wang
The aim of this study was to explore the incidence and risk factors for posterior cage migration (PCM) following decompression and instrumented fusion for degenerative lumbar disorders, and hope to provide references in decision making and surgical planning for spine surgeons.By retrieving the medical records from January 2011 to December 2015, 286 patients were retrospectively reviewed. According to the occurrence of PCM, patients were divided into 2 groups: PCM group and non-PCM (N-PCM). To investigate risk values for PCM, 3 categorized factors were analyzed statistically: patient characteristics: age, sex, body mass index, bone mineral density, duration of disease, diagnosis, comorbidity, smoke; surgical variables: surgery time, blood loss, surgical strategy, cage morphology, cage size, surgical segment, fusion number, source of bone graft, surgeon experience; radiographic parameters: preoperative lumbar lordosis, correction of lumbar lordosis, preoperative lumbar mobility, preoperative intervertebral height, change of intervertebral height, Modic changes, paraspinal muscle degeneration...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816609/evidence-of-diversity-site-and-host-specificity-of-sea-turtle-blood-flukes-digenea-schistosomatoidea-spirorchiidae-a-molecular-prospecting-study
#3
Brian A Stacy, Phoebe A Chapman, Allen M Foley, Ellis C Greiner, Lawrence H Herbst, Alan B Bolten, Paul A Klein, Charles A Manire, Elliott R Jacobson
Neospirorchis (Digenea: "Spirorchiidae") are blood flukes of sea turtles. Trematodes tentatively identified as Neospirorchis sp. infect various sites within sea turtles inhabiting waters of the southeastern United States, but efforts to obtain specimens adequate for morphologic study has proven difficult. Two genetic targets, the internal transcribed spacer region of the ribosomal RNA gene and the partial mitochrondrial cytochrome c oxidase subunit I gene, were used to investigate potential diversity among parasite specimens collected from stranded sea turtles...
August 17, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28815590/juxtanodin-in-retinal-pigment-epithelial-cells-expression-and-biological-activities-in-regulating-cell-morphology-and-actin-cytoskeleton-organization
#4
Fengyi Liang, Ji Hyun Hwang, Nicholas Weiwei Tang, Walter Hunziker
Juxtanodin (also known as ermin) was initially identified as an actin cytoskeleton-related oligodendroglial protein in the rat central nervous system. It was subsequently also found in the rat olfactory neuroepithelium, especially at the apical junctional belt of the sustentacular cells. We further examined juxtanodin expression and functional roles in the retina using fluorescence histochemistry, confocal microscopy, immuno-electron microscopy, molecular biology and cell culture. Prominent juxtanodin expression was found in the photoreceptor-supporting retinal pigment epithelium (RPE), especially in a zone corresponding to the apices of RPE cells, at the roots of the RPE microvilli, and at the base of RPE cells next to the Bruch's membrane...
August 17, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28814098/quantitative-and-qualitative-mri-evaluation-of-cerebral-small-vessel-disease-in-an-elderly-population-a-longitudinal-study
#5
Ruta Nylander, Markus Fahlström, Egill Rostrup, Joel Kullberg, Soheil Damangir, Håkan Ahlström, Lars Lind, Elna-Marie Larsson
Background Cerebral white matter hyperintensities (WMHs), lacunes, and microbleeds are seen on magnetic resonance imaging (MRI) in small vessel disease (SVD). Purpose To assess SVD on MRI and its evolution over five years in an elderly population and to investigate whether relative cerebral blood flow (rCBF) at baseline was related to the progression of white matter (WM) lesions. Material and Methods In a population-based study, 406 participants aged 75 years underwent morphological MRI of the brain and 252 of them again at age 80 years...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28813122/morphological-alterations-in-the-jejunal-mucosa-of-aged-rats-and-the-possible-protective-role-of-green-tea
#6
Zeinab Abel-Rehim Hassan, Agata Zauszkiewicz-Pawlak, Shaimaa A Abdelrahman, Sami Algaidi, Maha Desouky, Sally M Shalaby
INTRODUCTION: Gastrointestinal disorders become more prevalent with ageing. This study is aimed to describe morphological changes that occur in the jejunal mucosa of male albino rats as a result of ageing and the protective effect of green tea supplements. MATERIAL AND METHODS: The experiment was performed on sixty rats: thirty young-adult (6-month old, body mass 200-220 g) and thirty old (24-month-old, body mass 220-260 g) animals. Each group was further divided into two subgroups (n = 15 each): control rats and green tea-treated rats that received 1...
August 16, 2017: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/28812528/acute-leukemia-in-horses
#7
Carina J Cooper, Stefan M Keller, Luis G Arroyo, Joanne Hewson, Daniel Kenney, Dorothee Bienzle
Leukemia is broadly divided into acute and chronic lymphocytic and myeloid types based on the proportion of blasts, morphology of cells, and expression of specific antigens on neoplastic cells. Classifying leukemia in horses can be challenging if blasts predominate and since few antibodies to identify cell types are available. The objective of this study was to describe in detail the clinical and pathologic features of acute leukemia in horses. Twelve horses ranging from 0.2 to 25.9 years of age were diagnosed with acute leukemia...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28812135/pulmonary-mucormycosis-serial-morphologic-changes-on-computed-tomography-correlate-with-clinical-and-pathologic-findings
#8
Bo Da Nam, Tae Jung Kim, Kyung Soo Lee, Tae Sung Kim, Joungho Han, Myung Jin Chung
PURPOSE: To evaluate serial computed tomography (CT) findings of pulmonary mucormycosis correlated with peripheral blood absolute neutrophil count (ANC). MATERIALS AND METHODS: Between February 1997 and June 2016, 20 immunocompromised patients (10 males, 10 females; mean age, 48.9 years) were histopathologically diagnosed as pulmonary mucormycosis. On initial (n=20) and follow-up (n=15) CT scans, the patterns of lung abnormalities and their changing features on follow-up scans were evaluated, and the pattern changes were correlated with ANC changes...
August 10, 2017: European Radiology
https://www.readbyqxmd.com/read/28811791/differentiation-of-beta-thalassemia-trait-from-iron-deficiency-anemia-by-hematological-indices
#9
Tahir Jameel, Mukhtiar Baig, Ijaz Ahmed, Muhammad Barakat Hussain, Motlag Bin Doghaim Alkhamaly
OBJECTIVE: We aimed at finding out reliable parameter in the differentiation of iron deficiency anemia (IDA) and beta-thalassemia trait (β-TT) in the adult population subjected to Saudi Arabian Premarital Screening Program. METHODS: A total of 620 adults (age range 21-36 years) reported during February 2012 to November 2012. Tests for serum iron and ferritin were carried out in individuals showing low hemoglobin (Hb). All the selected subjects' samples were subjected to blood morphology, comparison of MCV, RBC count...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28809468/construction-of-supramolecular-drug-drug-delivery-system-for-non-small-cell-lung-cancer-therapy
#10
Zhihao Zhang, Leilei Shi, Chenwei Wu, Yue Su, Jiwen Qian, Hongping Deng, Xinyuan Zhu
Nanoscale drug delivery systems (DDSs) are generally considered to be an effective alternative to small molecular chemotherapeutics due to the improved accumulation in tumor site and enhanced retention in blood. Nevertheless, most of DDSs have low loading efficiency or even pose high threat to normal organs caused by severe side effects. Ideally, supramolecular drug-drug delivery system (SDDDS) made up of pure drugs via supramolecular interaction provides a hopeful solution for cancer treatment. Herein, we put forward a facile method to construct SDDDS via co-assembly of Gefitinib (GEF) and tripeptide tyroservatide (YSV), two kinds of chemotherapeutic pharmaceuticals for non-small cell lung cancer (NSCLC), via multiple intermolecular interactions, including hydrogen bond and π-π stacking...
August 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28808402/role-of-adiantum-philippense-l-on-glucose-uptake-in-isolated-pancreatic-cells-and-inhibition-of-adipocyte-differentiation-in-3t3-l1-cell-line
#11
Tania Paul, Kishori G Apte, Pradeep B Parab, Biswadeep Das
BACKGROUND: Adiantum philippense (AP) is a pteridophyte that shows antihyperglycemic activity in vivo diabetic model, but the mechanism of action is unknown. OBJECTIVE: AP was found to play a pivotal role in minimizing the high blood glucose in alloxan-induced diabetic rats. Simultaneously, it was observed that it could maintain the normal lipid profile even in diabetic condition. To investigate its insulin-like activity along with its inhibitory role on adipocyte differentiation became the objective of our present study...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28808270/a-low-permeability-microfluidic-blood-brain-barrier-platform-with-direct-contact-between-perfusable-vascular-network-and-astrocytes
#12
Seokyoung Bang, Seung-Ryeol Lee, Jihoon Ko, Kyungmin Son, Dongha Tahk, Jungho Ahn, Changkyun Im, Noo Li Jeon
A novel three dimensional blood brain barrier (BBB) platform was developed by independently supplying different types of media to separate cell types within a single device. One channel (vascular channel, VC) is connected to the inner lumen of the vascular network while the other supplies media to the neural cells (neural channel, NC). Compared to co-cultures supplied with only one type of medium (or 1:1 mixture), best barrier properties and viability were obtained with culturing HUVECs with endothelial growth medium (EGM) and neural cells with neurobasal medium supplemented with fetal bovine serum (NBMFBS) independently...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28808182/determination-of-serum-biomarkers-in-osteoarthritis-patients-a-previous-interventional-imaging-study-revisited
#13
Timothy McAlindon, Eckart Bartnik, Janina S Ried, Lenore Teichert, Matthias Herrmann, Klaus Flechsenhar
To evaluate in an interventional trial on knee osteoarthritis (OA) the level and change of two serum biomarkers and their correlation with imaging parameters. The previously reported interventional OA study (ClinicalTrials.gov: NCT00536302) identified a positive effect of collagen hydrolysate (CH) on cartilage morphology in patients with knee OA using delayed gadolinium enhanced magnetic resonance imaging (dGEMRIC). It was the objective in this research project to evaluate in an interventional clinical trial on knee OA the level and change of two serum biomarkers and their correlation with imaging parameters...
October 17, 2016: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28807817/assessment-of-glutathione-glutathione-disulphide-ratio-and-s-glutathionylated-proteins-in-human-blood-solid-tissues-and-cultured-cells
#14
REVIEW
Daniela Giustarini, Graziano Colombo, Maria Lisa Garavaglia, Emanuela Astori, Nicola Marcello Portinaro, Francesco Reggiani, Salvatore Badalamenti, Anna Maria Aloisi, Annalisa Santucci, Ranieri Rossi, Aldo Milzani, Isabella Dalle-Donne
Glutathione (GSH) is the major non-protein thiol in humans and other mammals, which is present in millimolar concentrations within cells, but at much lower concentrations in the blood plasma. GSH and GSH-related enzymes act both to prevent oxidative damage and to detoxify electrophiles. Under oxidative stress, two GSH molecules become linked by a disulphide bridge to form glutathione disulphide (GSSG). Therefore, assessment of the GSH/GSSG ratio may provide an estimation of cellular redox metabolism. Current evidence resulting from studies in human blood, solid tissues, and cultured cells suggests that GSH also plays a prominent role in protein redox regulation via S-glutathionylation, i...
August 11, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28805898/ability-of-garlic-derived-diallyl-disulfide-and-diallyl-trisulfide-supplemented-by-oral-gavage-to-mitigate-effects-of-an-acute-postweaning-feed-and-water-deprivation-event-in-nursery-pigs
#15
N Horn, G Miller, K M Ajuwon, O Adeola
Compounds in garlic have been shown to contain anti-inflammatory, antioxidant, and immune modulatory properties that may be able to mitigate the effects of nursery pig stressors. The objective of the current experiment was to determine if oral gavage of garlic-derived diallyl disulfide (DADS) and diallyl trisulfide (DATS) could mitigate the effects of a 24-h postweaning feed + water deprivation event in nursery pigs. Pigs (6.0 ± 0.05 kg and 21 d old) were allotted to 4 treatments in a randomized complete block design at weaning with 8 replicate pens per treatment that consisted of with or without a 24-h postweaning feed + water deprivation event and with or without an oral gavage containing 3...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805560/glycation-of-matrix-proteins-in-the-artery-inhibits-migration-of-smooth-muscle-cells-from-the-media-to-the-intima
#16
A Kuzan, O Michel, A Gamian
Formation and growth of atherosclerotic plaques have serious clinical consequences. One mechanism that occurs during atherogenesis is migration of smooth muscle cells from the middle layer of the artery to the intima, where they proliferate and are transformed into foam cells. This degenerative process is accompanied by glycation, by which proteins are modified and change the biomechanical and biochemical properties. The aim of the study was to determine whether glycation of collagen and elastin building the walls of blood vessels alters the adhesion and rate of myocyte migration...
2017: Folia Biologica (Praha)
https://www.readbyqxmd.com/read/28804811/serum-diamine-oxidase-in-pseudoallergy-in-the-pediatric-population
#17
Joanna Kacik, Barbara Wróblewska, Sławomir Lewicki, Robert Zdanowski, Bolesław Kalicki
Histamine intolerance (pseudoallergy) is a poorly investigated type of food hypersensitivity. The main enzyme responsible for histamine degradation in the extracellular matrix is diamine oxidase (DAO). Disturbances in the concentration or activity of DAO may lead to the development of clinical signs of allergy. The aim of the present work was to assess the DAO concentration, peripheral blood morphology, lymphocytes phenotyping (CD3+, CD4+, CD8+, CD19+, NK cells, NKT cells, and activated T-cells), and natural regulatory Treg (nTregs) cell population (CD4+, CD25+, CD127low, and FoxP3) in 34 pediatric patients with histamine-dependent syndromes...
August 15, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28804717/angiogenesis-dysregulation-in-psoriatic-arthritis-molecular-mechanisms
#18
REVIEW
Francesco Paolo Cantatore, Nicola Maruotti, Addolorata Corrado, Domenico Ribatti
There is evidence that psoriatic arthritis is closely linked to angiogenesis. Morphological changes described in blood vessels of psoriatic arthritis joints suggest the presence of a dysregulated angiogenesis resulting in the formation of immature vessels. Even if the reason of this inefficient angiogenesis is still unclear, an imbalance between angiogenic and antiangiogenic factors is probably responsible for inducing a dysregulated angiogenesis in psoriatic arthritis, which seems to be involved in its pathogenesis and clinical features...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28804660/large-granular-lymphocytic-leukemia-a-report-of-response-to-rituximab
#19
Uroosa Ibrahim, Sara Parylo, Shiksha Kedia, Shafinaz Hussein, Jean Paul Atallah
Large granular lymphocytic (LGL) leukemia is a rare form of low grade leukemia characterized by large cytotoxic T cells or natural killer cells on morphological examination. Immunosuppressive therapy is employed as first-line therapy. Treatment options in refractory cases include the anti-CD52 antibody alemtuzumab and purine analogues. We report a rare case that responded to the anti-CD20 monoclonal antibody rituximab. A 77-year-old female presented with complaints of fatigue, fever, and chills of 3 months' duration...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28802849/silk-fibroin-chitosan-scaffold-with-tunable-properties-and-low-inflammatory-response-assists-the-differentiation-of-bone-marrow-mesenchymal-stem-cells
#20
Da-Wei Li, Xiaohua Lei, Feng-Li He, Jin He, Ya-Li Liu, Ya-Jing Ye, Xudong Deng, Enkui Duan, Da-Chuan Yin
The physical and chemical properties of the scaffold are known to play important roles in three-dimensional (3D) cell culture, which always determine the cellular fate or the results of implantation. To control these properties becomes necessary for meeting the requirements of a variety of tissue engineering applications. In this study, a series of silk fibroin/chitosan (SF/CS) scaffolds with tunable properties were prepared using freeze-drying method, and the rat bone marrow-derived mesenchymal stem cells (BM-MSCs) were seeded in these scaffolds to evaluate their availability of use in tissue engineering...
August 9, 2017: International Journal of Biological Macromolecules
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