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https://www.readbyqxmd.com/read/29444453/efferocytosis-in-atherosclerotic-lesions-malfunctioning-regulatory-pathways-and-control-mechanisms
#1
REVIEW
Amir Tajbakhsh, Mehdi Rezaee, Petri T Kovanen, Amirhossein Sahebkar
Atherosclerosis is a dynamic and progressive inflammatory process in the intimal layer of large and medium-sized arteries, and it is the major contributor to the atherosclerotic cardiovascular disease (ACVD), the leading cause of death worldwide. In an atherosclerotic plaque, phagocytosis of apoptotic cells occurs through an intricate process designated efferocytosis. Defective efferocytosis has emerged as a causal factor in the etiopathogenesis of atherosclerosis and its progression into overt ACVD. Both specialized phagocytes (macrophages and dendritic cells) and non-specialized cells with phagocytic capabilities (smooth muscle and endothelial cells) are involved in the efferocytotic process...
February 11, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29444446/pathophysiological-changes-after-lipopolysaccharide-induced-acute-inflammation-in-a-type-2-diabetic-rat-model-versus-normal-controls
#2
Tingting Han, Xingxing Ren, Dongdong Jiang, Shuang Zheng, Yawen Chen, Huiying Qiu, Peter C Hou, Wei Liu, Yaomin Hu
AIMS: The present study aimed to explore the mechanism of a potential beneficial effect of pre-existing diabetes in acute hyperglycemia during critical illness. METHODS: Pathophysiological changes including blood glucose variability, changes of inflammatory and oxidative stress responses after lipopolysaccharide (LPS)-induced acute infection were compared between type 2 diabetic rat model (GK rats) and normal controls (Wistar rats). RESULTS: After LPS injection, Wistar rats showed serious infective symptoms while GK rats did not...
February 11, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29444435/ptpn2-regulates-inflammasome-activation-and-controls-onset-of-intestinal-inflammation-and-colon-cancer
#3
Marianne R Spalinger, Roberto Manzini, Larissa Hering, Julianne B Riggs, Claudia Gottier, Silvia Lang, Kirstin Atrott, Antonia Fettelschoss, Florian Olomski, Thomas M Kündig, Michael Fried, Declan F McCole, Gerhard Rogler, Michael Scharl
Variants in the gene locus encoding protein tyrosine phosphatase non-receptor type 2 (PTPN2) are associated with inflammatory disorders, including inflammatory bowel diseases, rheumatoid arthritis, and type 1 diabetes. The anti-inflammatory role of PTPN2 is highlighted by the fact that PTPN2-deficient mice die a few weeks after birth because of systemic inflammation and severe colitis. However, the tissues, cells, and molecular mechanisms that contribute to this phenotype remain unclear. Here, we demonstrate that myeloid cell-specific deletion of PTPN2 in mice (PTPN2-LysMCre) promotes intestinal inflammation but protects from colitis-associated tumor formation in an IL-1β-dependent manner...
February 13, 2018: Cell Reports
https://www.readbyqxmd.com/read/29444433/microrna-223-suppresses-the-canonical-nf-%C3%AE%C2%BAb-pathway-in-basal-keratinocytes-to-dampen-neutrophilic-inflammation
#4
Wenqing Zhou, Arpita S Pal, Alan Yi-Hui Hsu, Theodore Gurol, Xiaoguang Zhu, Sara E Wirbisky-Hershberger, Jennifer L Freeman, Andrea L Kasinski, Qing Deng
MicroRNA-223 is known as a myeloid-enriched anti-inflammatory microRNA that is dysregulated in numerous inflammatory conditions. Here, we report that neutrophilic inflammation (wound response) is augmented in miR-223-deficient zebrafish, due primarily to elevated activation of the canonical nuclear factor κB (NF-κB) pathway. NF-κB over-activation is restricted to the basal layer of the surface epithelium, although miR-223 is detected throughout the epithelium and in phagocytes. Not only phagocytes but also epithelial cells are involved in miR-223-mediated regulation of neutrophils' wound response and NF-κB activation...
February 13, 2018: Cell Reports
https://www.readbyqxmd.com/read/29444188/switching-and-loss-of-cellular-cytokine-producing-capacity-characterize-in-vivo-viral-infection-and-malignant-transformation-in-human-t-lymphotropic-virus-type-1-infection
#5
Huseini Kagdi, Maria Antonietta Demontis, Juan Carlos Ramos, Graham P Taylor
Adult T-cell leukaemia/lymphoma (ATL) arises from chronic non-malignant human T lymphotropic virus type-1 (HTLV-1) infection which is characterized by high plasma pro-inflammatory cytokines whereas ATL is characterized by high plasma anti-inflammatory (IL-10) concentrations. The poor prognosis of ATL is partly ascribed to disease-associated immune suppression. ATL cells have a CD4+CCR4+CD26-CD7- immunophenotype but infected cells with this immunophenotype ('ATL-like' cells) are also present in non-malignant HTLV-1 infection...
February 14, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29444150/probiotic-and-anti-inflammatory-potential-of-lactobacillus-rhamnosus-4b15-and-lactobacillus-gasseri-4m13-isolated-from-infant-feces
#6
Nam Su Oh, Jae Yeon Joung, Ji Young Lee, Younghoon Kim
A total of 22 Lactobacillus strains, which were isolated from infant feces were evaluated for their probiotic potential along with resistance to low pH and bile salts. Eight isolates (L. reuteri 3M02 and 3M03, L. gasseri 4M13, 4R22, 5R01, 5R02, and 5R13, and L. rhamnosus 4B15) with high tolerance to acid and bile salts, and ability to adhere to the intestine were screened from 22 strains. Further, functional properties of 8 Lactobacillus strains, such as anti-oxidation, inhibition of α-glucosidase activity, cholesterol-lowering, and anti-inflammation were evaluated...
2018: PloS One
https://www.readbyqxmd.com/read/29444128/molecular-action-of-isoflavone-genistein-in-the-human-epithelial-cell-line-hacat
#7
Elwira Smolińska, Marta Moskot, Joanna Jakóbkiewicz-Banecka, Grzegorz Węgrzyn, Bogdan Banecki, Aneta Szczerkowska-Dobosz, Dorota Purzycka-Bohdan, Magdalena Gabig-Cimińska
Due to its strong proliferation-reducing effects on keratinocytes, and also anti-inflammatory properties, the isoflavone genistein has already been proposed as a possible antipsoriatic compound. As there is still no detailed information on this topic, we examined the effects of genistein by using an in vitro model of both, normal and "psoriasis-like" keratinocytes at this stage of our work exhaustively testing the selected flavonoid in a mono-treated experimental design. Gene expression studies revealed transcriptional changes that confirms known disease-associated pathways and highlights many psoriasis-related genes...
2018: PloS One
https://www.readbyqxmd.com/read/29444125/exploration-of-avocado-by-products-as-natural-sources-of-bioactive-compounds
#8
Maria Augusta Tremocoldi, Pedro Luiz Rosalen, Marcelo Franchin, Adna Prado Massarioli, Carina Denny, Érica Regina Daiuto, Jonas Augusto Rizzato Paschoal, Priscilla Siqueira Melo, Severino Matias de Alencar
This study aimed to evaluate the antioxidant, anti-inflammatory, and cytotoxic properties and phenolic composition of peel and seed of avocado varieties Hass and Fuerte using green solvents. Ethanol soluble compounds were identified in peel and seed of both varieties using HPLC-MS/MS and quantified using HPLC-DAD. Agro-industrial by-products of both varieties exhibited high radical scavenging activity against synthetic free radicals (DPPH and ABTS) and reactive oxygen species (peroxyl, superoxide, and hypochlorous acid) and high ability to reduce Fe3+ to Fe2+...
2018: PloS One
https://www.readbyqxmd.com/read/29443770/whether-innate-immune-together-with-genetic-factor-are-involved-in-leukemic-arthritis-a-case-report-and-review-of-the-literature
#9
Danyi Xu, Guanhua Xu, Jin Lin
We report a case of leukemic arthritis (LA) of monocytic differentiation, which presented with spondyloarthritis-like symptoms and a positive human leukocyte antigen-B27, and discuss its potential mechanisms.The patient was admitted because of pain in her right knee and lower back for 18 months. Magnetic resonance imaging showed diffuse hyperintense signal in the bilateral liac bones and bone marrow edema and synovitis in the right knee.The diagnosis of acute monocytic leukemia and LA were concluded by bone marrow aspiration and flow cytometry of the synovial fluid...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29443696/intravenous-lidocaine-for-intractable-renal-colic-unresponsive-to-standard-therapy
#10
Billy Sin, John Cao, David Yang, Karen Ambert, Sheena Punnapuzha
CLINICAL FEATURES: Renal colic is defined as a flank pain radiating to the groin caused by kidney stones in the ureter (urolithiasis). Renal colic is a frequent cause of Emergency Department visits. Most renal colic cases present as acute distress and severe back and/or abdominal pain that require prompt treatment with analgesics. THERAPEUTIC CHALLENGE: Nonsteroidal anti-inflammatory drugs and opioids are traditionally used for renal colic in the Emergency Department...
February 13, 2018: American Journal of Therapeutics
https://www.readbyqxmd.com/read/29443507/three-dimensional-directionality-is-a-pivotal-structural-feature-for-the-bioactivity-of-azabisphosphonate-capped-poly-phosphorhydrazone-nanodrug-dendrimers
#11
Myriam Hayder, Matteo Garzoni, Davide Bochicchio, Anne-Marie Caminade, François Couderc, Varravaddheay Ong-Meang, Jean-Luc Davignon, Cédric-Olivier Turrin, Giovanni M Pavan, Remy Poupot
Dendrimers are nanosized, non-linear, hyperbranched polymers whose overall three-dimensional shape is key for their biological activity. Poly(PhosphorHydrazone) (PPH) dendrimers capped with aza-bisphosphonate (ABP) end groups are known to have anti-inflammatory properties enabling the control of inflammatory diseases in different mouse models. Here we screen the anti-inflammatory activity of a series of PPH bearing between 2 and 16 ABP end groups in a mouse model of arthritis, and confront the biological results with atomistic simulations of the dendrimers...
February 14, 2018: Biomacromolecules
https://www.readbyqxmd.com/read/29442979/development-of-silver-based-bactericidal-composite-nanofibers-by-airbrushing
#12
Sukhwinder K Bhullar, Deepti Rana, Burçak Kaya Ozsel, Mehmet Orhan, Martin B G Jun, Harpal S Buttar, Serge Ostrovidov, Murugan Ramalingam
In this article, we report a simple, cost-effective and eco-friendly method of airbrushing for the fabrication of antibacterial composite nanofibers using Nylon-6 and silver chloride (AgCl). The Nylon-6 is a widely used polymer for various biomedical applications because of its excellent biocompatibility and mechanical properties. Similarly, silver has also been known for their antibacterial, antifungal, antiviral, and anti-inflammatory properties. In order to enhance the antibacterial functionality of the Nylon-6, composite nanofibers in combination with AgCl have been fabricated using airbrush method...
April 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29442621/construction-of-fluorescein-isothiocyanate-labeled-msns-peg-lycorine-antibody-as-drug-carrier-for-targeting-prostate-cancer-cells
#13
Xiaoning Liu, Jingjing Kang, Hui Wang, Tao Huang, Chun Li
Lycorine possesses various pharmacological effects, including anti-tumor, antiviral, anti-malarial and anti-inflammatory properties, as well as a potential therapeutic against prostate cancer cells. Therefore, a drug carrier of lycorine with good biocompatibility, high drug loading capacity and good release ability is required to develop to gain maximum benefit from lycorine to target cancer cells. In this study, MSNs labeled with FITC and PEG were synthesized. These FITC-labeled MSNs/PEG/Lycorine/Antibody were loaded with lycorine and anti-EpCAM antibody, and analyzed for endocytosis, biocompatibility, drug loading and release ability...
July 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29442423/impact-of-type-1-diabetes-mellitus-and-sitagliptin-treatment-on-the-neuropeptide-y-system-of-rat-retina
#14
Elisa J Campos, João Martins, Dan Brudzewsky, Sandra Correia, Ana R Santiago, David Pd Woldbye, António F Ambrósio
BACKGROUND: Neuropeptide Y (NPY) is a neuromodulator that is expressed in the retina. Increasing evidence suggests that NPY has pronounced anti-inflammatory effects, which might depend on the inhibition of dipeptidyl-peptidase-IV (DPP-IV). The aim of this study was to investigate the impact of type 1 diabetes mellitus (DM) and sitagliptin, a DPP-IV inhibitor, on the NPY system in the retina using an animal model. METHODS: Type 1 DM was induced in male Wistar rats by an intraperitoneal injection of streptozotocin (STZ)...
February 14, 2018: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/29442202/anti-inflammatory-effect-of-oligostilbenoids-from-vitis-heyneana-in-lps-stimulated-raw-264-7-macrophages-via-suppressing-the-nf-%C3%AE%C2%BAb-activation
#15
Do Thi Ha, Phung Thanh Long, Tran Thi Hien, Dao Trong Tuan, Nguyen Thi Thuy An, Nguyen Minh Khoi, Ha Van Oanh, Tran Manh Hung
BACKGROUND: Vitis heyneana is widely distributed in the north of Vietnam, it has been used in Vietnamese traditional medicine as an agent for treatment of arthritis, bronchitis, carbuncles and inflammatory conditions, and menstrual irregularities. However, this plant has not been investigated in phytochemical constituents and biological effects, especially in the anti-inflammatory property. RESULTS: Bioassay-guided fractionation of the EtOAc soluble fraction from the aerial part of Vitis heyneana resulted in the isolation of a series of oligostilbenoids as piceid (1), 2-r-viniferin (2), betulifol A (3), vitisinol C (4), (-)-trans-ε-viniferin (5), α-viniferin (6), shoreaketon (7), amurensin B (8), vitisinol B (9), and cis-vitisin B (10)...
February 13, 2018: Chemistry Central Journal
https://www.readbyqxmd.com/read/29442198/hgf-reduces-disease-severity-and-inflammation-by-attenuating-the-nf-%C3%AE%C2%BAb-signaling-in-a-rat-model-of-pulmonary-artery-hypertension
#16
Ying Pang, Ming-Ting Liang, Ying Gong, Yong Yang, Pei-Li Bu, Mei Zhang, Heng-Chen Yao
The purpose of the present study was to investigate the anti-inflammatory effect of hepatocyte growth factor (HGF) on pulmonary artery hypertension (PAH) in a rat model and underlying mechanisms. Wistar rats were treated with monocrotaline intravenously to induce PAH and then treated with vehicle or HGF for 2 weeks, respectively. The mean pulmonary artery pressure (mPAP), the index of right heart ventricular hypertrophy (RHVI), pathological changes, and inflammation in the lungs of individual rats were measured...
February 13, 2018: Inflammation
https://www.readbyqxmd.com/read/29442160/peri-articular-injection-of-an-analgesic-mixture-in-primary-total-hip-arthroplasty-an-effective-strategy-for-pain-control-during-the-first-post-operative-day
#17
Maria Bautista, Meilyn Muskus, Adolfo Llinás, Guillermo Bonilla, Carlos Guerrero, Jairo Moyano
BACKGROUND: Previous studies of soft tissue infiltration in hip arthroplasty present variable results. The purpose of this study is to identify whether injection of an analgesic mixture improves pain management during the immediate post-operative period. MATERIALS AND METHODS: This cohort study compared 129 patients that received peri-articular soft tissue injection with 20 ml of 0.25% bupivacaine and 2 ml of ketorolac (30 mg/1 ml) in 28 ml of saline solution, with 71 patients who did not received injections...
February 13, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29442086/effect-of-preoperative-ibuprofen-in-controlling-postendodontic-pain-with-and-without-low-level-laser-therapy-in-single-visit-endodontics-a-randomized-clinical-study
#18
Shahnaz Nabi, Khalid Amin, Aijaz Masoodi, Riyaz Farooq, Aamir Rashid Purra, Fayaz Ahmad Ahangar
Aim: The aim of this study is to evaluate the effect of low-level laser irradiation and ibuprofen in reducing the onset and severity of postoperative pain following single visit endodontics. Materials and Methods: One hundred and twenty patients were recruited for this study. Group A (n = 30) patients were administered 400 mg of ibuprofen orally 1 h before the institution of an endodontic procedure. Group B (n = 30) patients were given irradiation of a low-level laser at 50 Hz for 3 min after the standard endodontic procedure at the periapical region on both buccal and lingual aspect...
January 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29442025/sinomenine-inhibits-the-inflammatory-responses-of-human-fibroblast-like-synoviocytes-via-the-tlr4-myd88-nf-%C3%AE%C2%BAb-signaling-pathway-in-rheumatoid-arthritis
#19
Ru-Bing Yao, Zhi-Ming Zhao, Ling-Jie Zhao, Hui Cai
Rheumatoid arthritis (RA) is a systemic autoimmune disorder mainly characterized by inflammation of the synovial tissue that can lead to destruction of bone and cartilage. Sinomenine is an alkaloid extracted from the stem of the Chinese medicinal plant Sinomenium acutum. It has been reported that sinomenine has immunosuppressive and anti-inflammatory properties. However, the molecular mechanism underlying the effect of sinominine on IL-1β-induced human RA fibroblast-like synoviocytes (RAFLS) is poorly understood...
June 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29442011/acetylpuerarin-protects-against-ogd-induced-cell-injury-in-bv2-microglia-by-inhibiting-hmgb1-release
#20
Deqing Sun, Aiying Xue, Xia Xue, Manru Ren, Jing Wu, Rongmei Wang
High mobility group box 1 (HMGB1), a non-histone DNA-binding protein, is massively released into the extracellular space from neuronal cells after ischemic injury, initiates inflammatory response and aggravates brain tissue damage. Acetylpuerarin (AP), an acetylated derivative of puerarin, was reported to protect against cerebrovascular ischemia-reperfusion injury in rats through anti-inflammation. In the present study, we aim to investigate whether AP inhibited HMGB1 release in oxygen-glucose deprivation (OGD)-treated BV2 microglia...
February 1, 2018: Die Pharmazie
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