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https://www.readbyqxmd.com/read/29277763/the-expression-of-matrix-metalloproteinases-in-receptor-activator-of-nuclear-factor-kappa-b-ligand-rankl-expressing-cancer-of-apocrine-origin
#1
Yumi Kambayashi, Taku Fujimura, Sadanori Furudate, Chunbing Lyu, Takanori Hidaka, Aya Kakizaki, Yota Sato, Kayo Tanita, Setsuya Aiba
Primary cutaneous apocrine carcinoma (PCAC) is a rare and highly aggressive tumor entity. Since there is no conventional therapy for advanced PCAC, exploratory treatments are sometimes used. As we previously reported, receptor activator of nuclear factor kappa-B (RANK) ligand (RANKL)/RANK signaling on M2 macrophages promotes the production of chemokines and proinflammatory cytokines to maintain the immunosuppressive tumor environment of extramammary Paget's disease (EMPD). Since EMPD is a skin adenocarcinoma of apocrine gland origin that expresses high levels of RANKL and matrix metalloproteinase (MMP) 7, and EMPD is associated with the presence of RANK+ M2 macrophages, we hypothesized that tumor-associated macrophages (TAMs) in adenocarcinomas such as PCAC might also express RANKL and MMP7...
January 2018: Anticancer Research
https://www.readbyqxmd.com/read/29242168/akt1-distinctively-suppresses-myd88-depenedent-and-trif-dependent-toll-like-receptor-signaling-in-a-kinase-activity-independent-manner
#2
Kosuke Zenke, Masashi Muroi, Ken-Ichi Tanamoto
We found that AKT1, a primary effector molecule of PI3K-AKT signaling, distinctively suppressed Toll-like receptor (TLR)-mediated MyD88-dependent and Toll/IL-1R domain-containing adaptor inducing IFN-β (TRIF)-dependent signaling by inhibiting NF-κB activation and IRF3 activity independently of its kinase activity. In AKT1 knockout RAW264.7 cells, lipopolysaccharide (LPS)-induced transcription and protein production of cytokines including IL-1β and TNF-α (regulated by the MyD88-dependent pathway), as well as IFN-β and RANTES (C-C motif chemokine ligand 5: CCL-5; regulated by the TRIF-dependent pathways) was enhanced compared to wild type cells...
December 11, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/29181126/rhinacanthin-c-alleviates-amyloid-%C3%AE-fibrils-toxicity-on-neurons-and-attenuates-neuroinflammation-triggered-by-lps-amyloid-%C3%AE-and-interferon-%C3%AE-in-glial-cells
#3
Kai-An Chuang, Ming-Han Li, Ni-Hsuan Lin, Chih-Hsuan Chang, I-Huang Lu, I-Hong Pan, Tomoya Takahashi, Ming-Der Perng, Shu-Fang Wen
Neuroinflammation plays a central role in the pathophysiology of Alzheimer's disease (AD). Compounds that suppress neuroinflammation have been identified as potential therapeutic targets for AD. Rhinacanthin C (RC), a naphthoquinone ester found in Rhinacanthus nasutus Kurz (Acanthaceae), is currently proposed as an effective molecule against inflammation. However, the exact role of RC on neuroinflammation remains to be elucidated. In the present study, we investigated RC effect on modulating lipopolysaccharides (LPS), amyloid-β peptide (Aβ), or interferon-γ- (IFN-γ-) evoked pathological events in neurons and glia...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29138800/broadleaf-mahonia-attenuates-granulomatous-lobular-mastitis%C3%A2-associated-inflammation-by-inhibiting-ccl%C3%A2-5-expression-in-macrophages
#4
Zhiyu Wang, Neng Wang, Xiaoyan Liu, Qi Wang, Biao Xu, Pengxi Liu, Huayu Zhu, Jianping Chen, Honglin Situ, Yi Lin
Granulomatous lobular mastitis (GLM) is a type of chronic mammary inflammation with unclear etiology. Currently systematic corticosteroids and methitrexate are considered as the main drugs for GLM treatment, but a high toxicity and risk of recurrence greatly limit their application. It is therefore an urgent requirement that safe and efficient natural drugs are found to improve the GLM prognosis. Broadleaf Mahonia (BM) is a traditional Chinese herb that is believed to have anti‑inflammatory properties according to ancient records of traditional Chinese medicine...
November 9, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29111236/reprint-of-dual-blockade-of-the-pro-inflammatory-chemokine-ccl2-and-the-homeostatic-chemokine-cxcl12-is-as-effective-as-high-dose-cyclophosphamide-in-murine-proliferative-lupus-nephritis
#5
Satish Kumar Devarapu, Santhosh Kumar Vr, Khader Valli Rupanagudi, Onkar P Kulkarni, Dirk Eulberg, Sven Klussmann, Hans-Joachim Anders
Induction therapy of proliferative lupus nephritis still requires the use of unselective immunosuppressive drugs with significant toxicities. In search of more specific drugs with equal efficacy but fewer side effects we considered blocking pro-inflammatory chemokine monocyte chemoattractant protein-1 (MCP-1/CCL2) and homeostatic chemokine stromal cell-derived factor-1 (SDF-1/CXCL12), which both contribute to the onset and progression of proliferative lupus nephritis yet through different mechanisms. We hypothesized that dual antagonism could be as potent on lupus nephritis as the unselective immunosuppressant cyclophosphamide (CYC)...
October 27, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/29109527/the-rna-binding-protein-la-ss-b-promotes-rig-i-mediated-type-i-and-type-iii-ifn-responses-following-sendai-viral-infection
#6
Rebecca Mahony, Lindsay Broadbent, Jacen S Maier-Moore, Ultan F Power, Caroline A Jefferies
La/SS-B (or La) is a 48 kDa RNA-binding protein and an autoantigen in autoimmune disorders such as systemic lupus erythematosus (SLE) and Sjögren's syndrome (SS). La involvement in regulating the type I interferon (IFN) response is controversial - acting through both positive and negative regulatory mechanisms; inhibiting the IFN response and enhancing viral growth, or directly inhibiting viral replication. We therefore sought to clarify how La regulates IFN production in response to viral infection. ShRNA knockdown of La in HEK 293 T cells increased Sendai virus infection efficiency, decreased IFN-β, IFN-λ1, and interferon-stimulated chemokine gene expression...
November 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29099969/anti-tumor-immunity-via-the-superoxide-eosinophil-axis-induced-by-a-lipophilic-component-of-mycobacterium-lipomannan
#7
Toshihiro Ito, Kiyoshi Hirahara, Atsushi Onodera, Ryo Koyama-Nasu, Ikuya Yano, Toshinori Nakayama
Mycobacterium bovis Bacille Calmette-Guérin (BCG) has been shown to possess potent anti-tumor activity particularly in various animal models, while the cellular and molecular mechanisms underlying its activity are not well understood. We found that lipomannan (BCG-LM), a lipophilic component of the mycobacterial cell envelope, specifically inhibits tumor growth and induces the infiltration of eosinophils at local tumor invasion sites. In contrast, neither lipoarabinomannan (BCG-LAM) nor the cell wall of Mycobacterium bovis BCG (BCG-CW) exerted anti-tumor immunity...
November 1, 2017: International Immunology
https://www.readbyqxmd.com/read/29037917/immunomodulation-after-radiofrequency-ablation-of-locally-advanced-pancreatic-cancer-by-monitoring-the-immune-response-in-10-patients
#8
Alessandro Giardino, Giulio Innamorati, Stefano Ugel, Omar Perbellini, Roberto Girelli, Isabella Frigerio, Paolo Regi, Filippo Scopelliti, Giovanni Butturini, Salvatore Paiella, Matilde Bacchion, Claudio Bassi
OBJECTIVE/BACKGROUND: RFA of pancreatic cancer has been demonstrated to be feasible and safe with a positive impact on survival. The aim was to investigate whether an immune reaction is activated after locally advanced pancreatic cancer (LAPC) ablation. METHODS: Peripheral Blood samples were obtained preoperatively and on post-operative days 3-30. Evaluated parameters were: cells [CD4+, CD8+ and activated subsets, T-Reg, Monocytes, myeloid and plasmocytoid Dendritic cells (mDC and pDC)] and cytokines [Interleukin (IL)-6, Stromal-cells derived factor (SDF)-1, IL-1β, Tumour-Necrosis Factor (TNF)-α, Interferon (IFN)-γ, Vascular Endothelial Growth Factor (VEGF), chemokine (C-C motif) ligand 5 (CCL-5), Transforming-Growth Factor (TGF)-β]...
November 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28900430/prins-non-coding-rna-regulates-nucleic-acid-induced-innate-immune-responses-of-human-keratinocytes
#9
Judit Danis, Anikó Göblös, Zsuzsanna Bata-Csörgő, Lajos Kemény, Márta Széll
Cytosolic DNA fragments are recognized as pathogen- and danger-associated molecular patterns that induce a cascade of innate immune responses. Moreover, excessive cytosolic DNA can enhance chronic inflammation, predominantly by activating inflammasomes, and thereby contributing to the pathogenesis of chronic diseases, such as psoriasis. Psoriasis associated non-protein coding RNA induced by stress (PRINS) is a long non-coding RNA, which has been shown to be associated with psoriasis susceptibility and cellular stress responses; however, the precise mechanism of its action has not been determined...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28855908/cytokine-and-chemokines-alterations-in-the-endemic-form-of-pemphigus-foliaceus-fogo-selvagem
#10
Rodolfo Pessato Timóteo, Marcos Vinicius Silva, Djalma Alexandre Alves da Silva, Jonatas Da Silva Catarino, Fernando Henrique Canhoto Alves, Virmondes Rodrigues Júnior, Ana Maria Roselino, Helioswilton Sales-Campos, Carlo José Freire Oliveira
INTRODUCTION: The endemic form (fogo selvagem-FS) of pemphigus foliaceus is an autoimmune disease characterized by the presence of IgG autoantibodies against desmoglein-1. Despite the array of findings, the role of chemokines and cytokines that dictate the immune response and disease outcome is still poorly investigated. MATERIALS AND METHODS: Serum from 64 patients diagnosed with FS was used to draw and establish the levels of these molecules on this disease and establish the levels of these molecules with the severity of FS, and influence of treatment...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28815242/-investigation-of-the-effect-of-nuclear-factor-%C3%AE%C2%BAb-on-inflammatory-cell-recruitment-phenotype-of-oral-cancer-associated-macrophage
#11
Xiao-Tian Zhou, Dong Chen, Zhen-Ning Jin, Ke Huang, Jie Lin, Yi Men, Chun-Jie Li
PURPOSE: To explore the ability of nuclear factor κB (NFκB) in sustaining inflammatory cell recruitment phenotype of oral cancer associated macrophages, by using NFκB inhibitor(-Bay11-7082). METHODS: By primary culture, murine macrophages were harvested. Cal27 conditioned medium (CM) and Bay11-7082 were applied for stimulation of the macrophages. RT-PCR and ELISA were used for detecting the inflammatory cell recruitment related chemotactic factors. GraphPadPrism5 was used for statistical analysis...
April 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28576209/vegf-a-is-increased-in-exogenous-endophthalmitis
#12
Mark E Seamone, Darrell R Lewis, Ian D Haidl, R Rishi Gupta, Daniel M O' Brien, John Dickinson, Arif Samad, Jean S Marshall, Alan F Cruess
OBJECTIVE: Exogenous endophthalmitis is an ophthalmologic emergency defined by panocular inflammation. Vascular endothelial growth factor A (VEGF-A) contributes to inflammation by promoting chemotaxis of monocytes and granulocytes and by increasing vascular permeability. The purpose of this article is to determine if VEGF-A is elevated in the vitreous samples obtained from individuals with exogenous endophthalmitis. METHODS: Vitreous samples from individuals with exogenous endophthalmitis (n = 18) were analyzed via Luminex assay and enzyme-linked immunosorbent assay for the cytokines VEGF-A, tumor necrosis factor (TNF), interleukin 6 (IL-6), IL-8 (chemokine [CXCL]-8), IL-1β, IL-10, IL-12p70, IL-33, interferon (IFN)-γ, IFN-α, IFN-β, chemokine ligand (CCL)-3, IL-2, IL-5, IL-15, CXCL-10, CCL-2, IL-1Ra, CCL-5, IL-17, and CCL-11...
June 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28560408/collagen-derived-n-acetylated-proline-glycine-proline-upregulates-the-expression-of-pro-inflammatory-cytokines-and-extracellular-matrix-proteases-in-nucleus-pulposus-cells-via-the-nf-%C3%AE%C2%BAb-and-mapk-signaling-pathways
#13
Chencheng Feng, Jinyue He, Yang Zhang, Minghong Lan, Minghui Yang, Huan Liu, Bo Huang, Yong Pan, Yue Zhou
N-acetylated proline-glycine-proline (N-Ac-PGP) is a chemokine involved in inflammatory diseases and is found to accumulate in degenerative discs. N-Ac-PGP has been demonstrated to have a pro-inflammatory effect on human cartilage endplate stem cells. However, the effect of N-Ac-PGP on human intervertebral disc cells, especially nucleus pulposus (NP) cells, remains unknown. The purpose of this study was to investigate the effect of N-Ac-PGP on the expression of pro-inflammatory factors and extracellular matrix (ECM) proteases in NP cells and the molecular mechanism underlying this effect...
July 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28552911/plumbagin-suppresses-chronic-periodontitis-in-rats-via-down-regulation-of-tnf-%C3%AE-il-1%C3%AE-and-il-6-expression
#14
Xin-Yi Zheng, Chuan-Yuan Mao, Han Qiao, Xi Zhang, Li Yu, Ting-Yu Wang, Er-Yi Lu
Chronic periodontitis (CP) is one of the most common oral diseases, which causes alveolar bone absorption and tooth loss in adults. In this study we aimed to investigate the potential of plumbagin (PL), a widely-investigated active compound extracted from the traditional Chinese herb Plumbago zeylanica L in treating CP. Human periodontal ligament stem cells (PDLSCs) were used for in vitro studies, whereas an animal model of CP was established in SD rats by ligation+Porphyromonas gingivalis (Pg) stimulation...
August 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28458639/ccr3-is-associated-with-the-death-of-a-photoreceptor-cell-line-induced-by-light-exposure
#15
Yoshiki Kuse, Kazuhiro Tsuruma, Yusuke Kanno, Masamitsu Shimazawa, Hideaki Hara
The C-C chemokine receptor type 3 (CCR3) is the receptor for eotaxins (CCL-11, 24, 26), RANTES (CCL-5) and MCP-3 (CCL-7). It was reported that an inhibition of CCR3 by antagonists or antibodies reduces the degree of laser-induced choroidal neovascularization in mice, a model for wet age-related macular degeneration (AMD). Although several chemokine receptors have the potential of reducing the degree of the chronic inflammation in experimental dry AMD, the association of CCR3 remains unknown. The purpose of this study was to determine the role played by CCR3 in the death of 661W cells which are cells of a murine photoreceptor-derived cell line as an in vitro model of dry AMD...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28295231/deficiency-in-irak4-activity-attenuates-manifestations-of-murine-lupus
#16
Michael Murphy, Goutham Pattabiraman, Tissa T Manavalan, Andrei E Medvedev
Interleukin-1 receptor-associated kinase (IRAK) 4 mediates host defense against infections. As an active kinase, IRAK4 elicits full spectra of myeloid differentiation primary response protein (MyD) 88-dependent responses, while kinase-inactive IRAK4 induces a subset of cytokines and negative regulators whose expression is not regulated by mRNA stability. IRAK4 kinase activity is critical for resistance against Streptococcus pneumoniae, but its involvement in autoimmunity is incompletely understood. In this study, we determined the role of IRAK4 kinase activity in murine lupus...
May 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28222998/dynamics-of-apc-recruitment-at-the-site-of-injection-following-injection-of-vaccine-adjuvants
#17
Susan van Aalst, Irene Stephanie Ludwig, Peter Johannes Sylvester van Kooten, Ruurd van der Zee, Willem van Eden, Femke Broere
Vaccines often contain adjuvants to strengthen the response to the vaccine antigen. However, their modes of action at the site of injection (SOI) are poorly understood. Therefore, we assessed the local effects of adjuvant on the innate immune system in mice. We investigated the safe, widely used adjuvants MF59 and aluminum hydroxide (alum), as well as trehalose-6,6'-dibehenate (TDB), Complete Freund's Adjuvant (CFA) and the Toll-Like-Receptor-ligands lipopolysaccharide (LPS) and Pam3CysSerLys4 (Pam3CSK4). We assessed muscle immune cell infiltration after adjuvant injection and observed 16h post immunization (hpi) an increased influx with CFA, MF59 and TDB, but not with alum, LPS or Pam3CSK4...
February 17, 2017: Vaccine
https://www.readbyqxmd.com/read/28179378/the-human-immune-response-to-respiratory-syncytial-virus-infection
#18
REVIEW
Clark D Russell, Stefan A Unger, Marc Walton, Jürgen Schwarze
Respiratory syncytial virus (RSV) is an important etiological agent of respiratory infections, particularly in children. Much information regarding the immune response to RSV comes from animal models and in vitro studies. Here, we provide a comprehensive description of the human immune response to RSV infection, based on a systematic literature review of research on infected humans. There is an initial strong neutrophil response to RSV infection in humans, which is positively correlated with disease severity and mediated by interleukin-8 (IL-8)...
April 2017: Clinical Microbiology Reviews
https://www.readbyqxmd.com/read/28160867/fargesin-exerts-anti-inflammatory-effects-in-thp-1-monocytes-by-suppressing-pkc-dependent-ap-1-and-nf-%C3%A4-b-signaling
#19
Thu-Huyen Pham, Man-Sub Kim, Minh-Quan Le, Yong-Seok Song, Yesol Bak, Hyung-Won Ryu, Sei-Ryang Oh, Do-Young Yoon
BACKGROUND: Fargesin is a lignan from Magnolia fargesii, an oriental medicine used in the treatment of nasal congestion and sinusitis. The anti-inflammatory properties of this compound have not been fully elucidated yet. PURPOSE: This study focused on assessing the anti-inflammatory effects of fargesin on phorbal ester (PMA)-stimulated THP-1 human monocytes, and the molecular mechanisms underlying them. METHODS: Cell viability was evaluated by MTS assay...
January 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28146410/almond-skin-polyphenol-extract-inhibits-inflammation-and-promotes-lipolysis-in-differentiated-3t3-l1-adipocytes
#20
Wen-Chung Huang, Chi-Yuan Chen, Shu-Ju Wu
Studies have shown that polyphenols reduce the risk of inflammation-related diseases and upregulates energy expenditure in adipose tissue. Here, we investigated the mechanism of the anti-inflammatory and antiobesity effects of almond skin polyphenol extract (ASP) in differentiated 3T3-L1 adipocytes. The antioxidant effects of ASP were measured based on DPPH radical scavenging activity, Trolox equivalent antioxidant capacity, and total phenolic content. Differentiated 3T3-L1 cells were treated with ASP. Subsequently, lipolysis proteins and transcription factors of adipogenesis were measured...
February 2017: Journal of Medicinal Food
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