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https://www.readbyqxmd.com/read/28731525/differences-in-stem-cell-processing-lead-to-distinct-secretomes-secretion-implications-for-differential-results-of-previous-clinical-trials-of-stem-cell-therapy-for-myocardial-infarction
#1
Bernhard Wernly, Inês Gonçalves, Attila Kiss, Vera Paar, Tobias Mösenlechner, Michael Leisch, David Santer, Lucas Motloch, Klaus Ulrich Klein, Eva Verena Tretter, Daniel Kretzschmar, Bruno Podesser, Christian Jung, Uta C Hoppe, Michael Lichtenauer
INTRODUCTION: Stem cell therapy for acute myocardial infarction (AMI) seemed to be a promising therapy, however large clinical trials brought differential outcome. It has been shown that paracrine effects of secretomes of stem cells rather than cell therapy might play a fundamental role. The present study sought to compare cell processing protocols of clinical trials and investigated effects of differential cell culture conditions on chemokine secretion and functional effects. METHODS: Different secretomes were compared regarding IL-8, VEGF, MCP-1 and TNF-alpha secretion...
July 21, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28730071/effect-of-sorafenib-in-a-murine-high-risk-penetrating-keratoplasty-model
#2
Yang Kyung Cho, Eun Young Shin, Hironori Uehara, Balamurali K Ambati
AIM: To evaluate the effect of sorafenib in murine high risk keratoplasty model. METHODS: Graft survival, corneal neovascularization, and corneal lymphangiogenesis were compared among the sorafenib, dexamethasone, dimethyl sulfoxide (DMSO), and phosphate buffered saline (PBS) groups following subconjunctival injection in mice that underwent high risk penetrating keratoplasty (HRPK). Real-time polymerase chain reaction was performed to quantify the expression of inflammatory cytokines and vascular endothelial growth factor (VEGF)-A, VEGF-C, vascular endothelial growth factor receptor (VEGFR)-2, VEGFR-3...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28725955/biologics-in-juvenile-idiopathic-arthritis-a-narrative-review
#3
REVIEW
Federica Vanoni, Francesca Minoia, Clara Malattia
In the past years, pediatric rheumatology has seen a revolution in the treatments for rheumatic diseases, particularly juvenile idiopathic arthritis. Even if nonsteroidal anti-inflammatory drugs (NSAID), intra-articular corticosteroids (IAC) injections, and methotrexate remain the mainstay of the treatment for JIA patients, in aggressive disease, these treatments may be not sufficient to reach disease remission and to prevent long-term disability. Comprehension of immunological mechanisms involved in the pathogenesis of the diseases allowed to conceive new drugs targeting specific steps of the immune response...
July 20, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28723753/tumor-necrosis-factor-alpha-238g-a-polymorphism-and-risk-of-breast-cancer-an-update-by-meta-analysis
#4
Qing Zhang, Guang Sheng Zhao, Xiao Lin Yuan, Xiao Huan Li, Zhen Yang, Yi Fen Cui, Qing Lin Guan, Xiu Yan Sun, Wan Shen, Tai An Xu, Qiu Shi Wang
BACKGROUND: The association between the tumor necrosis factor-alpha gene (TNF-a) -238G/A polymorphism and the breast cancer has been analyzed in several studies, but the results have been inconclusive. We then performed a meta-analysis to get a precise estimation of the association. METHODS: Eight case-control studies with a total of 37,257 cases and 39,564 controls were identified by searching the ISI Web of Knowledge database and the PubMed database up to August 2014...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28720441/increased-tnf-alpha-and-stnfr2-levels-are-associated-with-high-grade-anal-squamous-intraepithelial-lesions-in-hiv-positive-patients-with-low-cd4-level
#5
Takeshi Haga, Jimmy T Efird, Sharof Tugizov, Joel M Palefsky
Compared with HIV-negative individuals, HIV-positive individuals have a higher prevalence of anogenital human papillomavirus (HPV) infection, the causative agent of anogenital cancer. TNF-alpha is a major proinflammatory cytokine. sTNFR2 is the soluble form of one of its receptors and is strongly expressed on stimulated lymphocytes. To further understand the role of TNF-alpha, sTNFR2 and other cytokines in the pathogenesis in HPV-related neoplasia, the profiles of serum cytokines in high-risk patients were analyzed for association with anal lesion status...
June 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/28707226/the-role-of-macrophage-polarization-on-fibroblast-behavior-an-in-vitro-investigation-on-titanium-surfaces
#6
Xuzhu Wang, Yulan Wang, Dieter D Bosshardt, Richard J Miron, Yufeng Zhang
OBJECTIVES: This study investigated the effect of smooth and rough titanium surface topographies on macrophage polarization and their influence on gingival fibroblast behavior cultured on titanium surfaces. MATERIALS AND METHODS: RAW 264.7 macrophages were seeded on smooth (pickled titanium (PT)) and rough Sand-blasted with Large grit particles followed by Acid-etching (SLA) titanium surfaces and first investigated for macrophage polarization towards tissue-inflammatory M1 macrophages or wound-healing M2 macrophages...
July 14, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28706194/anti-tnf-alpha-agents-and-endothelial-function-in-rheumatoid-arthritis-a-systematic-review-and-meta-analysis
#7
Francesco Ursini, Christian Leporini, Fabiola Bene, Salvatore D'Angelo, Daniele Mauro, Emilio Russo, Giovambattista De Sarro, Ignazio Olivieri, Costantino Pitzalis, Myles Lewis, Rosa Daniela Grembiale
Rheumatoid arthritis (RA) has been associated with endothelial dysfunction, a pathophysiological feature of atherosclerosis. Our aim was to determine whether TNF-α blockade has a beneficial effect on endothelial function in RA. We performed a systematic review with meta-analysis to evaluate the effect of anti-TNF-α agents on endothelial function in RA patients. MedLine, Cochrane CENTRAL and SCOPUS were searched up to March 2016. Inclusion criteria were: 1) randomised controlled trial (RCT), quasi-RCT, before-after cohort study; 2) including RA patients; 3) treatment with anti-TNF-α medications; 4) evaluating the change from baseline in endothelial function...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28705542/effect-of-coronary-artery-disease-risk-snps-on-serum-cytokine-levels-and-cytokine-imbalance-in-premature-coronary-artery-disease
#8
Wafa M Ansari, Steve E Humphries, Abdul K Naveed, Omer J Khan, Dilshad A Khan, Ejaz Hassan Khattak
BACKGROUND: Premature Coronary Artery Disease (PCAD) occurs almost a decade earlier in the South Asian population as compared to the West. Inclusion of genetic information can prove to be a robust measure to improve early risk prediction of PCAD. Aim was to estimate the genotypic distribution and risk allele frequencies of 13 Coronary Artery Disease (CAD) risk Single Nucleotide Polymorphisms in loci identified by the CARDIoGRAMplusC4D consortium namely MIA3 rs17465637; 9p21 rs10757274; CXCL12 rs1746048; APOA5 rs662799; APOB rs1042031; LPA rs3798220; LPA 10455872; MRAS rs9818870; LPL rs328; SORT1 rs646776; PCSK9 rs11591147; APOE rs429358; APOE rs7412 in Pakistani PCAD patients and controls...
July 10, 2017: Cytokine
https://www.readbyqxmd.com/read/28703289/maresin-1-inhibits-tnf-alpha-induced-lipolysis-and-autophagy-in-3t3-l1-adipocytes
#9
Laura M Laiglesia, Silvia Lorente-Cebrián, Miguel López-Yoldi, Raquel Lanas, J Alfredo Martínez, Maria J Moreno-Aliaga
Obesity is associated with high pro-inflammatory cytokine levels like tumor necrosis factor-alpha (TNF-α), which promotes inflammation in adipose tissue. The omega-3 PUFAs, and their derived lipid mediators, such as Maresin 1 (MaR1) have anti-inflammatory effects on adipose tissue. This study aimed to analyze if MaR1 may counteract alterations induced by TNF-α on lipolysis and autophagy in mature 3T3-L1 adipocytes. Our data revealed that MaR1 (1-100 nM) inhibited the TNF-α-induced glycerol release after 48 h, which may be related to MaR1 ability of preventing the decrease of lipid droplet-coating protein perilipin and G0/G1 Switch 2 protein expression...
July 13, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28702973/clinical-and-histological-changes-in-hidradenitis-suppurativa-following-1064-nm-nd-yag-intralesional-laser-treatment
#10
N Zerbinati, E D'Este, L Ini, A Baruffato, V Premoli, A Calligaro, M Paulli
Hidradenitis Suppurativa (HS) is recently attracting much attention and awareness, often because it is misdiagnosed for years, restricting the therapeutic options. Moreover, this pathology arises in areas such as the inguinal region, that may cause embarrassment in young patients. Wrong diagnosis and delay in appropriate treatments lead to an exacerbation of the symptoms and a progression of the disease, which at the last stage can only be managed through extensive surgical excisions, ablation and vaporization of nodules with CO2 laser systems or aggressive chemotherapies such as anti-TNF-alpha like adalimumab (Humira®-AbbVie Inc...
July 13, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28701309/arhgap18-protects-against-thoracic-aortic-aneurysm-formation-by-mitigating-the-synthetic-and-pro-inflammatory-smooth-muscle-cell-phenotype
#11
Renjing Liu, Lisa Lo, Angelina J Lay, Yang Zhao, Ka Ka Ting, Elizabeth N Robertson, Andrew G Sherrah, Sorour R Jarrah, Haibo Li, Zhaoxiong Zhou, Brett D Hambly, David R Richmond, Richmond W Jeremy, Paul G Bannon, Matthew A Vadas, Jennifer Gamble
Rationale: Thoracic aortic aneurysm (TAA) is a potentially lethal condition which can affect individuals of all ages. TAA may be complicated by the sudden onset of life threatening dissection or rupture. The underlying mechanisms leading to TAA formation, particularly in the non-syndromal idiopathic group of patients, are not well understood. Thus, identification of new genes and targets that are involved in TAA pathogenesis are required to help prevent and/or reverse the disease phenotype. Objective: Here we explore the role of ARHGAP18, a novel Rho GAP expressed by smooth muscle cells (SMC), in the pathogenesis of TAA...
July 12, 2017: Circulation Research
https://www.readbyqxmd.com/read/28697402/functional-biocompatibility-testing-of-silicone-breast-implants-and-a-novel-classification-system-based-on-surface-roughness
#12
S Barr, E W Hill, A Bayat
PURPOSE: Increasing numbers of women undergo breast implantation for cosmetic and reconstructive purposes. Contracture of the fibrous capsule, which encases the implant leads to significant pain and reoperation. Texture, wettability and the cellular reaction to implant surfaces are poorly understood determinants of implant biocompatibility. The aim of this study was to evaluate the in-vitro characteristics of a range of commercial available implants using a macrophage based assay of implant biocompatibility and a quantitative assessment of wettability and texture...
June 27, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28688013/a-comprehensive-review-of-neutrophilic-diseases
#13
REVIEW
Angelo V Marzano, Alessandro Borghi, Daniel Wallach, Massimo Cugno
Neutrophilic dermatoses are a group of conditions characterized by the accumulation of neutrophils in the skin and clinically presenting with polymorphic cutaneous lesions, including pustules, bullae, abscesses, papules, nodules, plaques and ulcers. In these disorders, the possible involvement of almost any organ system has lead to coin the term 'neutrophilic diseases'. Neutrophilic diseases have close clinicopathological similarities with the autoinflammatory diseases, which present with recurrent episodes of inflammation in the affected organs in the absence of infection, allergy and frank autoimmunity...
July 7, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28687322/chemically-modified-tetracyclines-an-emerging-host-modulator-in-chronic-periodontitis-patients-a-randomized-double-blind-placebo-controlled-clinical-trial
#14
Abdullah A Alyousef, Darshan Devang Divakar, Muzaheed, Abdulaziz Abdullah Al Kheraif
Although periodontal diseases are caused by some of the specific pathogens, most of the tissue damage is caused by the host reaction to disease and not actually by the infections. Therefore, host modulatory therapy (HMT) has advanced benefit for the treatment of periodontitis, which works basically by reducing tissue destruction and regeneration in periodontium by altering the critical aspects of host response regulation and up regulating defensive regenerative responses. The present study was conducted with the goal to test an innovative therapeutic option using chemically modified tetracycline in patients affected with generalized, moderate and severe chronic periodontitis...
July 4, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28685239/a-biodesign-approach-to-obtain-high-yields-of-biosimilars-by-anti-apoptotic-cell-engineering-a-case-study-to-increase-the-production-yield-of-anti-tnf-alpha-producing-recombinant-cho-cells
#15
Sultan Gulce Iz, Muge Anil Inevi, Pelin Saglam Metiner, Duygu Ayyildiz Tamis, Nazli Kisbet
Recent developments in medical biotechnology have facilitated to enhance the production of monoclonal antibodies (mAbs) and recombinant proteins in mammalian cells. Human mAbs for clinical applications have focused on three areas, particularly cancer, immunological disorders, and infectious diseases. Tumor necrosis factor alpha (TNF-α), which has both proinflammatory and immunoregulatory functions, is an important target in biopharmaceutical industry. In this study, a humanized anti-TNF-α mAb producing stable CHO cell line which produces a biosimilar of Humira (adalimumab) was used...
July 6, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28681199/beneficial-effects-of-liraglutide-glp1-analog-in-the-hippocampal-inflammation
#16
Andre R C Barreto-Vianna, Marcia B Aguila, Carlos A Mandarim-de-Lacerda
The brain is very sensitive to metabolic dysfunctions induced by diets high in saturated fatty acids, leading to neuroinflammation. The liraglutide has been found to have neuroprotective effects. However, its neuroprotective action in a model of palmitate-induced neuroinflammation had not yet been evaluated. Mice were intracerebroventricular (ICV) infused with palmitate and received subcutaneous liraglutide. The hippocampal dentate gyrus and CA1 regions were analyzed (morphology and inflammation-related proteins in microglia and astrocyte by confocal microscopy)...
July 5, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28675984/vitd3-loaded-solid-lipid-nanoparticles-stability-cytotoxicity-and-cytokine-levels
#17
Murat Demirbilek, Nelisa Laçin Türkoglu, Selçuk Aktürk, Cem Akça
Vitamin D3 (VitD3) has several beneficial effects on many metabolic pathways such as immunity system, bone development. The aim of the study, encapsulation of VitD3 with solid lipids, determine encapsulation efficiency and biocompatibility of nanoparticles. Therefore, VitD3-loaded solid lipid nanoparticles (SLNPs) were developed by optimising ratios of VitD3, stearic acid, beeswax and sodium dodecyl sulphate (SDS). Thermal stability, degradation profile, crystallinity rate, encapsulation efficiency and release profile of SLNPs were determined...
July 4, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28674449/dexamethasone-induced-inhibition-of-dectin-1-activation-of-antigen-presenting-cells-is-mediated-via-stat-3-and-nf-%C3%AE%C2%BAb-signaling-pathways
#18
Philipp Kotthoff, Annkristin Heine, Stefanie Andrea Erika Held, Peter Brossart
Treatment of patients with glucocorticoids can result in an increased risk of infection with pathogens such as fungi. Dectin-1 is a member of the C-type lectin receptor superfamily and was shown to be one of the major receptors for fungal beta-glucans. Activation of Dectin-1 increases the production of cytokines and chemokines and T-cell stimulatory capacity of DC and mediates resolution of fungal infections. Here we show that antigen-presenting cells generated in the presence of dexamethasone (Dex-DC) have a reduced capacity to stimulate T-cell proliferation and decreased expression of costimulatory molecules, that can not be enhanced upon stimulation with Dectin-1 ligands...
July 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28668492/epidemiology-and-risk-factors-for-invasive-fungal-diseases-among-allogeneic-hematopoietic-stem-cell-transplant-recipients-in-korea-results-of-risk-study
#19
Jae-Ki Choi, Sung-Yeon Cho, Sung-Soo Yoon, Joon-Ho Moon, Sung-Han Kim, Je-Hwan Lee, Jin Seok Kim, June-Won Cheong, Jun-Ho Jang, Bo-Jeong Seo, Young-Joo Kim, Hye-Jung Lee, Juneyoung Lee, Jong Wook Lee, Dong-Gun Lee
Incidence, epidemiology, and risk factors of invasive fungal diseases (IFDs) in allogeneic hematopoietic stem cell transplant (allo-HSCT) recipients can vary from different cohorts and countries. Therefore, we performed a nationwide study to establish a proper antifungal prophylaxis strategies based on risk stratifications of IFDs after all-HSCT in Korea (RISK study). This was a multicenter, retrospective, and observational study in Korea. All consecutive adult patients who received allo-HSCT in 2013 were included...
June 28, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28666582/clonidine-restores-vascular-endothelial-growth-factor-expression-and-improves-tissue-repair-following-severe-trauma
#20
Tyler J Loftus, Andrew J Thomson, Kolenkode B Kannan, Ines G Alamo, Jessica K Millar, Jessica M Plazas, Elizabeth E Whitley, Philip A Efron, Alicia M Mohr
BACKGROUND: We hypothesized that clonidine and propranolol would increase VEGF and VEGF-receptor expression and promote lung healing following severe trauma and chronic stress. METHODS: Sprague-Dawley rats were subjected to lung contusion (LC), lung contusion/hemorrhagic shock (LCHS), or lung contusion/hemorrhagic shock/daily restraint stress (LCHS/CS). Clonidine and propranolol were administered daily. On day seven, lung VEGF, VEGFR-1, VEGFR-2, and HMGB1 were assessed by PCR...
June 23, 2017: American Journal of Surgery
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