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https://www.readbyqxmd.com/read/27911427/-modern-approach-to-early-diagnosis-and-pathogenetic-treatment-of-diabetic-retinopathy
#1
I V Vorob'eva
AIM: To improve the approach to pathogenetic treatment of diabetic retinopathy (DR) through early diagnosis and a new method for predicting disease progression. MATERIAL AND METHODS: The study enrolled 330 type 2 diabetes patients with DR (660 eyes), of whom women constituted 64.6%, men - 35.4%. The mean patient age was 62.3±2.3 years. Three groups were formed: the controls - 30 healthy volunteers (60 eyes) and 30 type 2 diabetes patients without ocular involvement (DR 0, 60 eyes); group 1 - 30 type 2 diabetes patients with DR I but no diabetic macular edema (DR I without DME, 60 eyes) that were treated with calcium dobesilate; group 2 - 240 type 2 diabetes patients, who had diabetic retinopathy of different stages (DR I, II, or III with DME, 480 eyes) and received laser retinal photocoagulation (LRP)...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27911411/preparation-and-in-vivo-use-of-an-activity-based-probe-for-n-acylethanolamine-acid-amidase
#2
Elisa Romeo, Silvia Pontis, Stefano Ponzano, Fabiola Bonezzi, Marco Migliore, Simona Di Martino, Maria Summa, Daniele Piomelli
Activity-based protein profiling (ABPP) is a method for the identification of an enzyme of interest in a complex proteome through the use of a chemical probe that targets the enzyme's active sites. A reporter tag introduced into the probe allows for the detection of the labeled enzyme by in-gel fluorescence scanning, protein blot, fluorescence microscopy, or liquid chromatography-mass spectrometry. Here, we describe the preparation and use of the compound ARN14686, a click chemistry activity-based probe (CC-ABP) that selectively recognizes the enzyme N-acylethanolamine acid amidase (NAAA)...
November 23, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911288/the-effect-of-base-transceiver-station-waves-on-some-immunological-and-hematological-factors-in-exposed-persons
#3
Mohammad Taheri, Ghodratollah Roshanaei, Jamileh Ghaffari, Samira Rahimnejad, Behzad Nazel Khosroshahi, Mohsen Aliabadi, Mohammad Mahdi Eftekharian
BACKGROUND: Since the number of mobile subscribers has significantly increased in recent years, the installation and deployment of Base Transceiver Station (BTS) antennas sending and receiving signals has become common and inevitable in different regions. OBJECTIVE: In this study, we have tried to evaluate the effect of the waves on some immunological and hematological parameters in exposed individuals. In this study, the exposed and non-exposed individuals were used as the test and control groups, respectively...
November 25, 2016: Human Antibodies
https://www.readbyqxmd.com/read/27911104/upregulation-of-t-cell-immunoglobulin-and-mucin-domain-containing-3-tim-3-in-monocytes-macrophages-associates-with-gastric-cancer-progression
#4
Zhenxin Wang, Ni Yin, Zixiang Zhang, Yi Zhang, Guangbo Zhang, Weichang Chen
T-cell immunoglobulin and mucin-domain containing-3 (Tim-3) is an important immune regulatory molecule in cancer immune system. However, expression and function of Tim-3 in monocytes/macrophages in cancer progression mainly remain unclear. In this study, we analyzed Tim-3 levels in peripheral blood mononuclear cells (PBMCs) from 62 gastric cancer patients and 45 healthy controls using flow cytometry and then associated Tim-3 levels with clinical pathological data from patients. We found Tim-3 level was significantly upregulated in monocytes from gastric cancer patients compared with those from healthy controls, and that upregulated Tim-3 levels associated with depth of tumor invasion and tumor lymph node metastasis and advanced clinical stages of gastric cancer patients...
December 2, 2016: Immunological Investigations
https://www.readbyqxmd.com/read/27910925/thrombomodulin-regulates-monocye-differentiation-via-pkc%C3%AE-and-erk1-2-pathway-in-vitro-and-in-atherosclerotic-artery
#5
Chien-Sung Tsai, Yi-Wen Lin, Chun-Yao Huang, Chun-Min Shih, Yi-Ting Tsai, Nai-Wen Tsao, Chin-Sheng Lin, Chun-Che Shih, Hellen Jeng, Feng-Yen Lin
Thrombomodulin (TM) modulates the activation of protein C and coagulation. Additionally, TM regulates monocyte migration and inflammation. However, its role on monocyte differentiation is still unknown. We investigated the effects of TM on monocyte differentiation. First, we found that TM was increased when THP-1 cells were treated with phorbol-12-myristate-13-acetate (PMA). Overexpression of TM enhanced the macrophage markers, CD14 and CD68 expression in PMA-induced THP-1. TM siRNA depressed the PMA-induced increase of p21(Cip1/WAF1) via ERK1/2-NF-kB p65 signaling...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910782/chemoprevention-of-colon-cancer-through-inhibition-of-angiogenesis-and-induction-of-apoptosis-by-nonsteroidal-anti-inflammatory-drugs
#6
Preety Ghanghas, Shelly Jain, Chandan Rana, Sankar Nath Sanyal
Cancer cells require nourishment for the growth of the primary tumor mass and spread of the metastatic colony. These needs are fulfilled by tumor-associated neovasculature known as angiogenesis, which also favors the transition from hyperplasia to neoplasia, that is, from a state of cellular multiplication to uncontrolled proliferation. Therefore, targeting angiogenesis is profitable as a mechanism to inhibit tumor growth. Furthermore, it is important to understand the cross-communication between vascular endothelial growth factor (VEGF) and matrix metalloproteinases (MMPs) in the neoplastic and proinflammatory milieu...
2016: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/27910760/immunomodulation-effect-of-aqueous-extract-of-the-artist-s-conk-medicinal-mushroom-ganoderma-applanatum-agaricomycetes-on-the-rainbow-trout-oncorhynchus-mykiss
#7
Azadeh Manayi, Mahdi Vazirian, Fereshteh Hassan Zade, Akram Tehranifard
It is well known that innate immunity in fish can be activated by many synthetic and natural immunos-timulants; several natural substances induced immunity in fish in previous surveys. This study discussed data regarding the effect of Ganoderma applanatum aqueous extract on the defense mechanisms of rainbow trout in feeding trials. Fish were fed 250, 500, and 1000 mg extract/kg diet 4 times daily. Growth, humoral parameters, lysozyme activity, and serum protein concentrations were assessed after a period of 45 days...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27909742/the-anti-inflammatory-effect-of-montelukast-a-cysteinyl-leukotriene-receptor-1-antagonist-against-estradiol-induced-nonbacterial-inflammation-in-the-rat-prostate
#8
Mahmoud M Said, Maarten C Bosland
There is no standard treatment of chronic nonbacterial prostatitis in humans. The current study was aimed to investigate the effect of montelukast, an antagonist of cysteinyl leukotriene receptor-1, against estrogen-induced, nonbacterial lateral lobe-specific prostate inflammation in rats. Male Wistar rats were randomized into five groups of six rats, including sham controls (group 1) and castrated rats (group 2), whereas nonbacterial prostatitis (NBP) was induced in groups 3-5 by castration followed by a daily subcutaneous injection of estradiol (0...
December 1, 2016: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/27909248/regulation-of-chemokine-receptor-ccr2-recycling-by-filamin-a-phosphorylation
#9
Mònica Pons, Ismael Izquierdo, Mireia Andreu-Carbó, Georgina Garrido, Jesús Planagumà, Olivia Muriel, M Isabel Geli, Anna M Aragay
Proper endosomal trafficking of ligand-activated G protein-coupled receptors (GPCRs) is essential to spatiotemporally tune their physiological responses. For the monocyte chemoattractant receptor 2 (CCR2B), endocytic recycling is important to sustain monocyte migration; while filamin A (FLNa) is essential for CCL2-induced monocyte migration. Here, we analyze the role of FLNa in the trafficking of CCR2B along the endocytic pathway. In FLNa knockdown cells, activated CCR2B accumulated in enlarged EEA-1-positive endosomes, which exhibited slow movement and fast fluorescence recovery, suggesting an imbalance between receptor entry and exit rates...
December 1, 2016: Journal of Cell Science
https://www.readbyqxmd.com/read/27909225/recovery-of-the-immune-system-after-exercise
#10
Jonathan M Peake, Oliver Neubauer, Neil P Walsh, Richard J Simpson
The notion that prolonged, intense exercise causes an 'open window' of immunodepression during recovery after exercise is well accepted. Repeated exercise bouts or intensified training without sufficient recovery may increase the risk of illness. However, except for salivary IgA, clear and consistent markers of this immunodepression remain elusive. Exercise increases circulating neutrophil and monocyte counts, and reduces circulating lymphocyte count during recovery. This lymphopenia results from preferential egress of lymphocyte subtypes with potent effector functions (e...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27909056/interferons-induce-expression-of-samhd1-in-monocytes-through-downregulation-of-mir-181a-and-mir-30a
#11
Maximilan Riess, Nina V Fuchs, Adam Idica, Matthias Hamdorf, Egbert Flory, Irene Munk Pedersen, Renate König
SAMHD1 is a phosphohydrolase maintaining cellular dNTP homeostasis but also acts as a critical regulator in innate immune responses due to its antiviral activity and association with autoimmune disease leading to aberrant activation of interferon. SAMHD1 expression is differentially regulated by interferon in certain primary cells, but the underlying mechanism is not understood. Here, we report a detailed characterization of the promotor region, the 5' and 3' untranslated region (UTR) of SAMHD1, and the mechanism responsible for the cell-type dependent upregulation of SAMHD1 protein by interferon...
December 1, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27908893/tracking-monocyte-recruitment-and-macrophage-accumulation-in-atherosclerotic-plaque-progression-using-a-novel-hcd68gfp-apoe-reporter-mouse
#12
Eileen McNeill, Asif J Iqbal, Daniel Jones, Jyoti Patel, Patricia Coutinho, Lewis Taylor, David R Greaves, Keith M Channon
OBJECTIVE: To create a model of atherosclerosis using green fluorescent protein (GFP)-targeted monocytes/macrophages, allowing analysis of both endogenous GFP(+) and adoptively transferred GFP(+) myeloid cells in arterial inflammation. APPROACH AND RESULTS: hCD68GFP reporter mice were crossed with ApoE(-/-) mice. Expression of GFP was localized to macrophages in atherosclerotic plaques and in angiotensin II-induced aortic aneurysms and correlated with galectin 3 and mCD68 expression. Flow cytometry confirmed GFP(+) expression in CD11b(+)/CD64(+), CD11c(+)/MHC-II(HI), and CD11b(+)/F4/80(+) myeloid cells...
December 1, 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/27908701/inhibitory-effects-of-l-theanine-on-airway-inflammation-in-ovalbumin-induced-allergic-asthma
#13
Yong Pil Hwang, Sun Woo Jin, Jae Ho Choi, Chul Yung Choi, Hyung Gyun Kim, Se Jong Kim, Yongan Kim, Kyung Jin Lee, Young Chul Chung, Hye Gwang Jeong
L-theanine, a water-soluble amino acid isolated from green tea (Camellia sinensis), has anti-inflammatory activity, antioxidative properties, and hepatoprotective effects. However, the anti-allergic effect of L-theanine and its underlying molecular mechanisms have not been elucidated. In this study, we investigated the protective effects of L-theanine on asthmatic responses, particularly airway inflammation and oxidative stress modulation in an ovalbumin (OVA)-induced murine model of asthma. Treatment with L-theanine dramatically attenuated the extensive trafficking of inflammatory cells into bronchoalveolar lavage fluid (BALF)...
November 28, 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27908630/non-linear-dose-response-of-aluminium-hydroxide-adjuvant-particles-selective-low-dose-neurotoxicity
#14
Guillemette Crépeaux, Housam Eidi, Marie-Odile David, Yasmine Baba-Amer, Eleni Tzavara, Bruno Giros, François-Jérôme Authier, Christopher Exley, Christopher A Shaw, Josette Cadusseau, Romain K Gherardi
Aluminium (Al) oxyhydroxide (Alhydrogel(®)), the main adjuvant licensed for human and animal vaccines, consists of primary nanoparticles that spontaneously agglomerate. Concerns about its safety emerged following recognition of its unexpectedly long-lasting biopersistence within immune cells in some individuals, and reports of chronic fatigue syndrome, cognitive dysfunction, myalgia, dysautonomia and autoimmune/inflammatory features temporally linked to multiple Al-containing vaccine administrations. Mouse experiments have documented its capture and slow transportation by monocyte-lineage cells from the injected muscle to lymphoid organs and eventually the brain...
November 28, 2016: Toxicology
https://www.readbyqxmd.com/read/27908288/granulocyte-macrophage-colony-stimulating-factor-receptor-%C3%AE-expression-and-its-targeting-in-antigen-induced-arthritis-and-inflammation
#15
Andrew D Cook, Cynthia Louis, Matthew J Robinson, Reem Saleh, Matthew A Sleeman, John A Hamilton
BACKGROUND: Blockade of granulocyte macrophage colony-stimulating factor (GM-CSF) and its receptor (GM-CSFRα) is being successfully tested in trials in rheumatoid arthritis (RA) with clinical results equivalent to those found with neutralization of the current therapeutic targets, TNF and IL-6. To explore further the role of GM-CSF as a pro-inflammatory cytokine, we examined the effect of anti-GM-CSFRα neutralization on myeloid cell populations in antigen-driven arthritis and inflammation models and also compared its effect with that of anti-TNF and anti-IL-6...
December 1, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27907005/intraluminal-flagellin-differentially-contributes-to-gut-dysbiosis-and-systemic-inflammation-following-burn-injury
#16
Logan Grimes, Allie Doyle, Aaron L Miller, Richard B Pyles, Gabor Olah, Csaba Szabo, Sarah Hoskins, Tonyia Eaves-Pyles
Burn injury is associated with a loss of gut barrier function, resulting in systemic dissemination of gut-derived bacteria and their products. The bacterial protein and TLR5 agonist, flagellin, induces non-specific innate immune responses. Because we detected flagellin in the serum of burn patients, we investigated whether gut-derived flagellin was a primary or secondary contributor to intestinal dysfunction and systemic inflammation following burn injury. The apical surface of polarized human intestinal epithelial cells (IECs), Caco-2BBe, were exposed to 50 or 500 ng of purified flagellin and 1 x 105 of an intestinal E...
2016: PloS One
https://www.readbyqxmd.com/read/27906425/the-correlation-between-children-s-status-asthmatics-and-interstitial-lung-disease
#17
X-M Han, Y-Y Cheng, Y-F Gong, M-M Jiang
OBJECTIVE: Investigating the correlation between children's status asthmatics and interstitial lung disease (ILD). PATIENTS AND METHODS: We continuously selected 20 cases of children's status asthmatics combined with ILD (group A), 20 cases of pure status asthmatics (group B), 20 cases of pure ILD (group C) and 20 cases of healthy children (group D). We measured Th1/Th2 by flow cytometry as well as the level of expression of hs-CRP, IL-7 cytokines (TSLP), monocyte chemoattractant protein-1 (MCP-1) and anti-Jo-1 antibody by ELISA method...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27906000/the-antiviral-compound-bit225-inhibits-hiv-1-replication-in-myeloid-dendritic-cells
#18
Gabriela Khoury, Gary Ewart, Carolyn Luscombe, Michelle Miller, John Wilkinson
BACKGROUND: Previous studies with BIT225 (N-carbamimidoyl-5-(1-methyl-1H-pyrazol-4-yl)-2-naphthamide) have demonstrated a unique antiviral activity that blocks the release of HIV-1 from monocyte-derived macrophages (MDM). Antagonising the ion channel formed by HIV-1 Vpu, BIT225 preferentially targets de novo intracellular virus produced in 'virus-containing compartments' of MDM. In primary infections, dendritic cells (DC) are one of the first cells infected by HIV-1 and can transfer virus to more permissive CD4(+) T cells, making these cells an important target for novel antiviral therapies...
February 8, 2016: AIDS Research and Therapy
https://www.readbyqxmd.com/read/27905985/tlr7-8-agonist-induces-a-post-entry-samhd1-independent-block-to-hiv-1-infection-of-monocytes
#19
Henning Hofmann, Bénédicte Vanwalscappel, Nicolin Bloch, Nathaniel R Landau
BACKGROUND: Monocytes, the primary myeloid cell-type in peripheral blood, are resistant to HIV-1 infection as a result of the lentiviral restriction factor SAMHD1. Toll-like receptors recognize microbial pathogen components, inducing the expression of antiviral host proteins and proinflammatory cytokines. TLR agonists that mimic microbial ligands have been found to have activity against HIV-1 in macrophages. The induction of restriction factors in monocytes by TLR agonist activation has not been well studied...
December 1, 2016: Retrovirology
https://www.readbyqxmd.com/read/27905221/antioxidant-potentiality-of-three-herbal-teas-consumed-in-bandundu-rural-areas-of-congo
#20
Paulin Mutwale Kapepula, Patricia Mbombo Mungitshi, Thierry Franck, Ange Mouithys-Mickalad, Dieudonné Mumba Ngoyi, Pascal Dibungi T Kalenda, Nadege Kabamba Ngombe, Didier Serteyn, Monique Tits, Michel Frédérich, Jean-Jacques Tamfum Muyembe
The aim of this study was to evaluate and compare the cellular antioxidant activities of Lantana montevidensis, Lippia multiflora, and Ocimum gratissimum leaves often consumed as herbal teas in a rural area of Bandundu severely affected by konzo, which is related to oxidative damage. Consequently, dietary supplements with proven antioxidant potentialities could be of real interest to promote in this area. Phytochemical screening by TLC and HPLC-DAD of extracts revealed the presence of verbascoside as a major phenolic compound...
December 1, 2016: Natural Product Research
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