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https://www.readbyqxmd.com/read/29166699/comparison-of-clinical-outcomes-of-coronary-artery-stent-implantation-in-patients-with-end-stage-chronic-kidney-disease-including-hemodialysis-for-three-everolimus-eluting-ees-stent-designs-bioresorbable-polymer-ees-platinum-chromium-ees-and-cobalt-chrome-ees
#1
Takao Sato, Katsuharu Hatada, Syohei Kishi, Koichi Fuse, Satoshi Fujita, Yoshio Ikeda, Minoru Takahashi, Taku Matsubara, Masaaki Okabe, Yoshifusa Aizawa
BACKGROUNDS: New-generation bioresorbable polymer-everolimus eluting stents (BP-EES) are available. This study aimed to compare the clinical outcomes for BP-EES compared to more established stent designs, namely the platinum chromium-EES (PtCr-EES) and cobalt chrome-EES(CoCr-EES) in patients with the end-stage chronic kidney disease (CKD) including hemodialysis (HD). METHODS: One-hundred-forty-one consecutive stents (BP-EES [n = 44], PtCr-EES [n = 45], and CoCr-EES [n = 52]) were implanted in 104 patients with CKD...
November 22, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29164770/clinical-outcomes-of-patients-with-coronary-artery-aneurysm-after-the-first-generation-drug-eluting-stent-implantation
#2
Hyung Joon Joo, Cheol Woong Yu, RakKyeong Choi, Jinsik Park, Hyun Jong Lee, Je Sang Kim, Young Jin Choi, Jae Hyoung Park, Soon Jun Hong, Do Sun Lim
OBJECTIVES: We sought to investigate the long-term clinical outcomes of patients with coronary artery aneurysm (CAA) after drug-eluting stent (DES) implantation, compared with patients without CAA. BACKGROUND: CAA developed after DES implantation is a rare but associated with poor clinical outcome. METHODS: We retrospectively compared 78 patients with CAA after DES implantation with 269 patients without CAA who underwent DES implantation for complex lesions (controls)...
November 22, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29157965/polymer-based-nanoparticles-loaded-with-a-tlr7-ligand-to-target-the-lymph-node-for-immunostimulation
#3
Jérôme Widmer, Cédric Thauvin, Inès Mottas, Van N'guyen, Florence Delie, Eric Allémann, Carole Bourquin
Small-molecule agonists for the Toll-like receptors (TLR) 7 and 8 are effective for the immunotherapy of skin cancer when used as topical agents. Their systemic use has however been largely unsuccessful due to dose-limiting toxicity. We propose a polymer-based nanodelivery system to target resiquimod, a TLR7 ligand, to the lymph node in order to focus the immunostimulatory activity and to prevent a generalized inflammatory response. We demonstrate successful encapsulation of resiquimod in methoxypoly(ethylene glycol)-b-poly(DL-lactic acid) (mPEG-PLA) and mixed poly(DL-lactic-co-glycolic acid) (PLGA)/mPEG-PLA nanoparticles...
November 17, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29157306/a-pilot-study-of-the-immunogenicity-of-a-9-peptide-breast-cancer-vaccine-plus-poly-iclc-in-early-stage-breast-cancer
#4
Patrick M Dillon, Gina R Petroni, Mark E Smolkin, David R Brenin, Kimberly A Chianese-Bullock, Kelly T Smith, Walter C Olson, Ibrahim S Fanous, Carmel J Nail, Christiana M Brenin, Emily H Hall, Craig L Slingluff
BACKGROUND: Breast cancer remains a leading cause of cancer death worldwide. There is evidence that immunotherapy may play a role in the eradication of residual disease. Peptide vaccines for immunotherapy are capable of durable immune memory, but vaccines alone have shown sparse clinical activity against breast cancer to date. Toll-like receptor (TLR) agonists and helper peptides are excellent adjuvants for vaccine immunotherapy and they are examined in this human clinical trial. METHODS: A vaccine consisting of 9 MHC class I-restricted breast cancer-associated peptides (from MAGE-A1, -A3, and -A10, CEA, NY-ESO-1, and HER2 proteins) was combined with a TLR3 agonist, poly-ICLC, along with a helper peptide derived from tetanus toxoid...
November 21, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/29152046/design-and-synthesis-of-n1-modified-imidazoquinoline-agonists-for-selective-activation-of-toll-like-receptors-7-and-8
#5
Peter Larson, Tamara A Kucaba, Zhengming Xiong, Michael Olin, Thomas S Griffith, David M Ferguson
A series of N1-modified imidazoquinolines were synthesized and screened for Toll-like receptors (TLR) 7 and 8 activities to identify recognition elements that confer high affinity binding and selectivity. These receptors are key targets in the development of immunomodulatory agents that signal the NF-κB mediated transcription of pro-inflammatory chemokines and cytokines. Results are presented showing both TLR7/8 activations are highly correlated to N1-substitution, with TLR8 selectivity achieved through inclusion of an ethyl-, propyl-, or butylamino group at this position...
November 9, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29142418/marantodes-pumilum-blume-kuntze-inhibited-secretion-of-lipopolysaccharide-and-monosodium-urate-crystal-stimulated-cytokines-and-plasma-prostaglandin-e2
#6
Eldiza Puji Rahmi, Jamia Azdina Jamal, Endang Kumolosasi, Juriyati Jalil, Nor-Ashila Aladdin
Background: Marantodes pumilum is traditionally used for dysentery, gonorrhea, and sickness in the bones. Previous studies revealed its antibacterial and xanthine oxidase inhibitory activities. Objective: To evaluate the inhibitory effects of three M. pumilum varieties on the secretion of lipopolysaccharide (LPS)- and monosodium urate crystal (MSU)-induced cytokines and plasma prostaglandin E2 (PGE2) in vitro. Materials and Methods: The leaves and roots of M...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29115630/tipe2-governs-macrophage-polarization-via-negative-regulation-of-mtorc1
#7
Yuan Jiang, Qiang Li, Yuanyuan Zhang, Yuzhi Gao, Libing Jiang, Zhimin Chen
Macrophages can be polarized into the inflammatory M1 lineage or the immunomodulatory M2 lineage, depending on the differential tissue microenvironment signaling, specific pathogens or cytokine stimulation. Tumor necrosis factor α‑induced protein 8‑like protein 2 (TIPE2) has been demonstrated to negatively regulate inflammation by inhibiting the Toll‑like receptor (TLR) pathway. The present study utilized murine bone marrow derived macrophages (BMDMs) as the model of undifferentiated (M0) macrophages to study the roles of TIPE2 in the differential polarization status of BMDMs...
November 6, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29103998/tlr8-combined-withtlr3-or-tlr4-agonists-enhances-dc-nk-driven-effector-tc1-cells
#8
Mahyar Nouri-Shirazi, Saba Tamjidi, Erika Nourishirazi, Elisabeth Guinet
BACKGROUND: Most current prophylactic vaccines confer protection primarily through humoral immunity. Indeed, aluminum salts which have been widely used as adjuvants in vaccines primarily enhance Th2-driven antibody responses. Therefore, new vaccines formulation is moving toward a careful selection of adjuvants that also elicit significant Th1 or Tc1 responses. Several TLR agonists have been tested as potential new adjuvants in clinical and preclinical studies with some efficacy. These studies suggest that combining more than one of TLR ligands enhances the magnitude of immune responses to cancer and infectious disease...
November 2, 2017: Immunology Letters
https://www.readbyqxmd.com/read/29103703/anti-inflammatory-capacity-of-lactobacillus-rhamnosus-gg-in-monophasic-variant-salmonella-infected-piglets-is-correlated-with-impeding-nlrp6-mediated-host-inflammatory-responses
#9
Jiao Yu, Yao-Hong Zhu, Gui-Yan Yang, Wei Zhang, Dong Zhou, Jin-Hui Su, Jiu-Feng Wang
In this study, we investigated the effect of Lactobacillus rhamnosus GG strain (LGG) in ameliorating enteritis in newly weaned pigs following challenge with a monophasic variant of Salmonella enterica serovar Typhimurium (serotyped as 4,[5],12:i:-), which has been linked to disease in humans and livestocks over the past 10 years. In weaned pigs, S. enterica serovar 4,[5],12:i:- induced the mRNA expression of toll like receptor (TLR) 5 and TLR4, while increasing interleukin (IL)-8 and IL-6 mRNA expression in the jejunum...
October 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/29097236/haemophilus-parasuis-infection-activates-nod1-2-rip2-signaling-pathway-in-pk-15%C3%A2-cells
#10
Bin Ma, Kexin Hua, Shanshan Zhou, Hufeng Zhou, Yushan Chen, Rui Luo, Dingren Bi, Rui Zhou, Qigai He, Hui Jin
Haemophilus parasuis, an important swine pathogen, was recently proven able to invade into endothelial or epithelial cell in vitro. NOD1/2 are specialized NLRs that participate in the recognition of pathogens able to invade intracellularly and therefore, we assessed that the contribution of NOD1/2 to inflammation responses during H. parasuis infection. We observed that H. parasuis infection enhanced NOD2 expression and RIP2 phosphorylation in porcine kidney 15 cells. Our results also showed that knock down of NOD1/2 or RIP2 expression respectively significantly decreased H...
October 31, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29096690/tlr2-stimulation-impairs-anti-inflammatory-activity-of-m2-like-macrophages-generating-a-chimeric-m1-m2-phenotype
#11
Lilian Quero, Edveena Hanser, Tobias Manigold, André N Tiaden, Diego Kyburz
BACKGROUND: Toll-like receptors (TLRs) and macrophages play an important role in rheumatoid arthritis (RA). Currently, it is not clear whether inflammatory M1 or anti-inflammatory M2 predominate among the resident macrophages in the synovium. In the present study, we set out to investigate the impact of TLR stimulation on monocyte-derived M1 and M2 macrophage function and phenotype by mimicking the exposure to abundant TLR agonists as occurs in the context of RA. The response of macrophage subsets to TLR2 and TLR4 activation was evaluated on cluster of differentiation (CD) marker profile; cytokine secretion; gene expression; and NF-κB, interferon regulatory factors 3 and 7 (IRF3/7), and mitogen-activated protein kinase (MAPK) activation...
November 2, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29095429/activation-of-toll-like-receptors-in-meconium-aspiration-syndrome
#12
V Anand, S Basu, S S Yadav, G Narayan, B D Bhatia, A Kumar
OBJECTIVE: Meconium aspiration syndrome (MAS) is a common cause of neonatal morbidity and mortality. Incomplete understanding of the pathogenesis of MAS has hindered the development of specific therapies. We hypothesized that activation of Toll-like receptors (TLRs) might play a role in the pathogenesis of MAS. The present study evaluated the expression of TLR 1, 4, 7, 8 and 9 in neonates with MAS. STUDY DESIGN: The study included 39 neonates with MAS and 17 healthy gestational age-matched neonates as controls...
November 2, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29072292/il-1r8-is-a-checkpoint-in-nk-cells-regulating-anti-tumour-and-anti-viral-activity
#13
Martina Molgora, Eduardo Bonavita, Andrea Ponzetta, Federica Riva, Marialuisa Barbagallo, Sébastien Jaillon, Branka Popović, Giovanni Bernardini, Elena Magrini, Francesca Gianni, Santiago Zelenay, Stipan Jonjić, Angela Santoni, Cecilia Garlanda, Alberto Mantovani
Interleukin-1 receptor 8 (IL-1R8, also known as single immunoglobulin IL-1R-related receptor, SIGIRR, or TIR8) is a member of the IL-1 receptor (ILR) family with distinct structural and functional characteristics, acting as a negative regulator of ILR and Toll-like receptor (TLR) downstream signalling pathways and inflammation. Natural killer (NK) cells are innate lymphoid cells which mediate resistance against pathogens and contribute to the activation and orientation of adaptive immune responses. NK cells mediate resistance against haematopoietic neoplasms but are generally considered to play a minor role in solid tumour carcinogenesis...
November 2, 2017: Nature
https://www.readbyqxmd.com/read/29072065/freeway-paclitaxel-releasing-balloons-to-treat-recurrent-stenosis-of-arteriovenous-fistula-in-hemodialysis-patients
#14
Nicola Troisi, Piefrancesco Frosini, Eugenio Romano, Azzurra Guidotti, Emiliano Chisci, Stefano Michelagnoli
BACKGROUND: To evaluate early and mid-term outcomes of Freeway paclitaxel-releasing balloons (Eurocor GmbH, Bonn, GE) in hemodialysis patients with recurrent stenosis of arteriovenous fistula. METHODS: Between July 2013 and December 2016 27 hemodialysis patients with recurrent stenosis of arteriovenous fistula underwent endovascular treatment with a Freeway balloon. About inclusion criteria, all patients were previously treated at the target lesion with a standard balloon angioplasty (BA)...
October 25, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/29066233/comparative-transcriptome-analysis-reveals-involvement-of-tlr-2-signaling-in-the-pathogenesis-of-intracranial-aneurysm
#15
Jinghan Fan, Lanbing Yu, Jizong Zhao
In this study, we collected and analyzed 15 aneurysmal and 17 superficial temporal artery (STA) specimens from 32 Chinese patients with intracranial aneurysm. Total RNA was extracted and reverse transcribed to cDNA, and genome-wide expression profiling was performed by using the Affymetrix Human Genome U133 Plus 2.0 Array which allows a total number of 38,500 genes to be analyzed at the same time. Real-time RT-PCR was performed to verify the expression level of 8 selected genes. We found significant up-regulation of the TLR-2 gene...
October 21, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29062588/tlr4-ligands-selectively-synergize-to-induce-expression-of-il-8
#16
Lauren M Valenty, Christine M Longo, Carol Horzempa, Anthony Ambesi, Paula J McKeown-Longo
Objective: Dysfunctional remodeling of the extracellular matrix contributes to the formation of TLR-dependent feed forward loops that drive chronic inflammation. We have previously shown that two Type III domains of Fibronectin, FnEDA and FnIII-1c, cooperate to induce the synergistic release of interleukin 8 (IL-8) from dermal fibroblasts. We now identify steps in the TLR4 pathway where synergy can be demonstrated as well as additional kinases functioning in fibronectin activation of TLR4 signaling. We also evaluate the ligand and cell-type specificity of this synergistic response...
October 1, 2017: Advances in Wound Care
https://www.readbyqxmd.com/read/29050631/drug-coated-balloon-treatment-for-femoropopliteal-artery-disease-the-in-pact-global-study-de-novo-in-stent-restenosis-imaging%C3%A2-cohort
#17
Marianne Brodmann, Koen Keirse, Dierk Scheinert, Lubomir Spak, Michael R Jaff, Randy Schmahl, Pei Li, Thomas Zeller
OBJECTIVES: This study sought to evaluate the safety and effectiveness of a paclitaxel-coated drug-coated balloon (DCB) for the treatment of patients with de novo in-stent restenosis (ISR). BACKGROUND: Treatment of patients with ISR remains a challenge. Current strategies are plagued by high rates of recurrent restenosis and need for reintervention. The best intervention for ISR remains to be elucidated. METHODS: The IN.PACT Global study is an independently adjudicated multicenter, prospective, single-arm study that enrolled 1,535 subjects with symptomatic atherosclerotic disease of the superficial femoral and/or popliteal arteries, including de novo ISR lesions...
October 23, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29039348/the-impact-of-agonists-and-antagonists-of-tlr3-and-tlr9-on-concentrations-of-il-6-il10-and-sil-2r-in-culture-supernatants-of-peripheral-blood-mononuclear-cells-derived-from-patients-with-systemic-lupus-erythematosus
#18
Agnieszka Klonowska-Szymczyk, Liliana Kulczycka-Siennicka, Tadeusz Robak, Piotr Smolewski, Barbara Cebula-Obrzut, Ewa Robak
Toll-like receptors (TLR), especially TLR3, 7 and 9, play an important role in the pathogenesis of systemic lupus erythematosus (SLE). In our study blood was collected from 16 patients with SLE and from 8 healthy volunteers. Concentrations of IL-6, IL-10 and sIL-2R were measured by ELISA in mononuclear cell culture supernatant after 24 hours of stimulation by agonists and antagonists of TLR3 and 9 (for TLR3-poli I/C, resveratrol and for TLR9-ODN2006, IRS 945). Stimulation of TLR9 by ODN2006 led to an increase of IL-6 concentration in cell culture supernatants from the cells of healthy volunteers compared with unstimulated cells from controls...
October 13, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/29037921/tlr-expression-profile-of-human-alveolar-bone-proper-derived-stem-progenitor-cells-and-osteoblasts
#19
Karim M Fawzy El-Sayed, Josephine Boeckler, Christof E Dörfer
Alveolar bone proper-derived mesenchymal stem/progenitor cells (AB-MSCs) and alveolar osteoblasts (OBs) are pivotal cells with positive attributes in regenerative medicine. During regenerative approaches, AB-MSCs may interact with their surrounding environment via their expressed toll-like-receptors (TLRs). This study aimed to depict for the first time the TLRs expression profile of AB-MSCs and OBs. Cells were isolated from human alveolar bone proper, and STRO-1-immunomagnetically sorted to segregate AB-MSCs and OBs...
September 18, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29024452/two-year-clinical-outcomes-of-patients-treated-with-overlapping-absorb-scaffolds-an-analysis-of-the-absorb-extend-single-arm-study
#20
J Ribamar Costa, Alexandre Abizaid, Antonio L Bartorelli, Robert Whitbourn, Patrick W Serruys, Pieter C Smits
BACKGROUND: Preclinical data showed that overlapping (OVP) scaffolds might result in delayed healing and strut coverage compared to nonOVP scaffold segments. Furthermore, OVP in patients could result in increased periprocedure myocardial infarction (MI) rate secondary to side branch occlusion; however, little is known whether this may have an impact on long-term clinical outcomes. METHODS: ABSORB EXTEND is a prospective, single-arm, open-label clinical study in which 812 patients were enrolled at 56 sites...
October 10, 2017: Catheterization and Cardiovascular Interventions
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