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annexin a1

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https://www.readbyqxmd.com/read/28928730/fpr2-a-novel-promising-target-for-the-treatment-of-influenza
#1
REVIEW
Marie-Christine Alessi, Nicolas Cenac, Mustapha Si-Tahar, Béatrice Riteau
The Formyl-peptide receptor-2 (FPR2) is a seven transmembrane G protein-coupled receptor, which plays an important role in sensing of bacteria and modulation of immune responses. FPR2 is also used by viruses for their own profit. Annexin A1, one of the multiple ligands of FPR2, is incorporated in the budding virus membrane of influenza A viruses (IAV). Thereby, once IAV infect a host cell, FPR2 is activated. FPR2-signaling leads to an increase in viral replication, a dysregulation of the host immune response and a severe disease...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28912778/neuroprotective-effects-of-annexin-a1-tripeptide-after-deep-hypothermic-circulatory-arrest-in-rats
#2
Zhiquan Zhang, Qing Ma, Bijal Shah, G Burkhard Mackensen, Donald C Lo, Joseph P Mathew, Mihai V Podgoreanu, Niccolò Terrando
Resolution agonists, including lipid mediators and peptides such as annexin A1 (ANXA1), are providing novel approaches to treat inflammatory conditions. Surgical trauma exerts a significant burden on the immune system that can affect and impair multiple organs. Perioperative cerebral injury after cardiac surgery is associated with significant adverse neurological outcomes such as delirium and postoperative cognitive dysfunction. Using a clinically relevant rat model of cardiopulmonary bypass (CPB) with deep hypothermic circulatory arrest (DHCA), we tested the pro-resolving effects of a novel bioactive ANXA1 tripeptide (ANXA1sp) on neuroinflammation and cognition...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28901509/ct45a1-sirna-silencing-suppresses-the-proliferation-metastasis-and-invasion-of-lung-cancer-cells-by-downregulating-the-erk-creb-signaling-pathway
#3
Feng Tang, Shengjun Tang, Xiaolong Guo, Chao Yang, Ke Jia
The aim of the present study was to investigate the role of the cancer‑testis antigen family 45 member A1 (CT45A1) in the proliferation, apoptosis, invasion and metastasis of lung cancer cells, and the associated molecular mechanisms. Western blotting determined that the expression of CT45A1 in normal lung cells was far lower than that observed in lung cancer cells. Following the transfection of CT45A1 small (or short) interfering (si)RNA and its negative control into A549 cells using Lipofectamine 2000, the CT45A1 protein and mRNA levels were determined further by western blotting and reverse transcription‑polymerase chain reaction...
September 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28901452/screening-critical-genes-associated-with-malignant-glioma-using-bioinformatics-analysis
#4
Yonggang Xu, Jie Wang, Yanbin Xu, Hong Xiao, Jianhua Li, Zhi Wang
Malignant gliomas are high‑grade gliomas, which are derived from glial cells in the spine or brain. To examine the mechanisms underlying malignant gliomas in the present study, the expression profile of GSE54004, which included 12 grade II astrocytomas, 33 grade III astrocytomas and 98 grade IV astrocytomas, was downloaded from the Gene Expression Omnibus. Using the Limma package in R, the differentially expressed genes (DEGs) in grade III, vs. grade II astrocytoma, grade IV, vs. grade II astrocytoma, and grade IV, vs...
September 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28827575/immune-system-deregulation-in-hypertensive-patients-chronically-ras-suppressed-developing-albuminuria
#5
Marta Martin-Lorenzo, Laura Gonzalez-Calero, Paula J Martinez, Montserrat Baldan-Martin, Juan Antonio Lopez, Gema Ruiz-Hurtado, Fernando de la Cuesta, Julián Segura, Jesús Vazquez, Fernando Vivanco, Maria G Barderas, Luis M Ruilope, Gloria Alvarez-Llamas
Albuminuria development in hypertensive patients is an indicator of higher cardiovascular (CV) risk and renal damage. Chronic renin-angiotensin system (RAS) suppression facilitates blood pressure control but it does not prevent from albuminuria development. We pursued the identification of protein indicators in urine behind albuminuria development in hypertensive patients under RAS suppression. Urine was collected from 100 patients classified in three groups according to albuminuria development: (a) patients with persistent normoalbuminuria; (b) patients developing de novo albuminuria; (c) patients with maintained albuminuria...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821634/lipidomic-and-proteomic-analysis-of-exosomes-from-mouse-cortical-collecting-duct-cells
#6
Viet D Dang, Kishore Kumar Jella, Ragy R T Ragheb, Nancy D Denslow, Abdel A Alli
Exosomes are endosome-derived nanovesicles that are involved in cellular communication and signaling. Exosomes are produced by epithelial cells and are found in biologic fluids including blood and urine. The packaged material within exosomes includes proteins and lipids, but the molecular comparison within exosome subtypes is largely unknown. The purpose of this study was to investigate differences between exosomes derived from the apical plasma membrane and basolateral plasma membrane of polarized murine cortical collecting duct principal cells...
August 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28811325/ppar%C3%AE-ligand-induced-annexin-a1-expression-determines-chemotherapy-response-via-deubiquitination-of-death-domain-kinase-rip-in-triple-negative-breast-cancers
#7
Luxi Chen, Yi Yuan, Shreya Kar, Madhu M Kanchi, Suruchi Arora, Ji E Kim, Pei F Koh, Einas Yousef, Ramar P Samy, Muthu K Shanmugam, Tuan Z Tan, Sung W Shin, Frank Arfuso, Han M Shen, Henry Yang, Boon C Goh, Joo I Park, Louis Gaboury, Peter E Lobie, Gautam Sethi, Lina Hk Lim, Alan P Kumar
Metastatic breast cancer is still remain incurable so far, new specifically targeted and more effective therapies for triple negative breast cancer (TNBC) are required in the clinic. In this study, our clinical data has established that basal and claudin-low subtypes of breast cancer (TNBC types) express significantly higher levels of Annexin A1 (ANXA1) with poor survival outcomes. Using human cancer cell lines which model the TNBC subtype, we observed a strong positive correlation between expression of ANXA1 and Peroxisome Proliferator-Activated Receptor gamma (PPARγ)...
August 15, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28809781/ac2-26-an-annexin-a1-peptide-attenuates-ischemia-reperfusion-induced-acute-lung-injury
#8
Wen-I Liao, Shu-Yu Wu, Geng-Chin Wu, Hsin-Ping Pao, Shih-En Tang, Kun-Lun Huang, Shi-Jye Chu
Annexin A1 (AnxA1) is an endogenous protein that modulates anti-inflammatory processes, and its therapeutic potential has been reported in a range of inflammatory diseases. The effect of AnxA1 on ischemia-reperfusion (IR)-induced lung injury has not been examined. In this study, isolated, perfused rat lungs were subjected to IR lung injury induced by ischemia for 40 min, followed by reperfusion for 60 min. The rat lungs were randomly treated with vehicle (phosphate-buffered saline), and Ac2-26 (an active N-terminal peptide of AnxA1) with or without an N-formyl peptide receptor (FPR) antagonist N-Boc-Phe-Leu-Phe-Leu-Phe (Boc2)...
August 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28754915/annexin-a1-down-regulation-in-head-and-neck-squamous-cell-carcinoma-is-mediated-via-transcriptional-control-with-direct-involvement-of-mir-196a-b
#9
Saúl Álvarez-Teijeiro, Sofía T Menéndez, M Ángeles Villaronga, Emma Pena-Alonso, Juan P Rodrigo, Reginald O Morgan, Rocío Granda-Díaz, Cecilia Salom, M Pilar Fernandez, Juana M García-Pedrero
Annexin A1 (ANXA1) down-regulation is an early and frequent event in the development of head and neck squamous cell carcinomas (HNSCC). In an attempt to identify the underlying mechanisms of reduced ANXA1 protein expression, this study investigated ANXA1 mRNA expression in HNSCC specimens by both in situ hybridization and RT-qPCR. Results showed a perfect concordance between the pattern of ANXA1 mRNA and protein detected by immunofluorescence in tumors, precancerous lesions and normal epithelia, reflecting that ANXA1 down-regulation occurs at transcriptional level...
July 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28736517/resolution-of-cochlear-inflammation-novel-target-for-preventing-or-ameliorating-drug-noise-and-age-related-hearing-loss
#10
REVIEW
Gilda M Kalinec, Gwen Lomberk, Raul A Urrutia, Federico Kalinec
A significant number of studies support the idea that inflammatory responses are intimately associated with drug-, noise- and age-related hearing loss (DRHL, NRHL and ARHL). Consequently, several clinical strategies aimed at reducing auditory dysfunction by preventing inflammation are currently under intense scrutiny. Inflammation, however, is a normal adaptive response aimed at restoring tissue functionality and homeostasis after infection, tissue injury and even stress under sterile conditions, and suppressing it could have unintended negative consequences...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28724795/alx-receptor-ligands-define-a-biochemical-endotype-for-severe-asthma
#11
Isabell Ricklefs, Ioanna Barkas, Melody G Duvall, Manuela Cernadas, Nicole L Grossman, Elliot Israel, Eugene R Bleecker, Mario Castro, Serpil C Erzurum, John V Fahy, Benjamin M Gaston, Loren C Denlinger, David T Mauger, Sally E Wenzel, Suzy A Comhair, Andrea M Coverstone, Merritt L Fajt, Annette T Hastie, Mats W Johansson, Michael C Peters, Brenda R Phillips, Bruce D Levy
BACKGROUND: In health, inflammation resolution is an active process governed by specialized proresolving mediators and receptors. ALX/FPR2 receptors (ALX) are targeted by both proresolving and proinflammatory ligands for opposing signaling events, suggesting pivotal roles for ALX in the fate of inflammatory responses. Here, we determined if ALX expression and ligands were linked to severe asthma (SA). METHODS: ALX expression and levels of proresolving ligands (lipoxin A4 [LXA4], 15-epi-LXA4, and annexin A1 [ANXA1]), and a proinflammatory ligand (serum amyloid A [SAA]) were measured in bronchoscopy samples collected in Severe Asthma Research Program-3 (SA [n = 69], non-SA [NSA, n = 51] or healthy donors [HDs, n = 47])...
July 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28698499/molecular-mechanisms-behind-free-radical-scavengers-function-against-oxidative-stress
#12
REVIEW
Fereshteh Ahmadinejad, Simon Geir Møller, Morteza Hashemzadeh-Chaleshtori, Gholamreza Bidkhori, Mohammad-Saeid Jami
Accumulating evidence shows that oxidative stress is involved in a wide variety of human diseases: rheumatoid arthritis, Alzheimer's disease, Parkinson's disease, cancers, etc. Here, we discuss the significance of oxidative conditions in different disease, with the focus on neurodegenerative disease including Parkinson's disease, which is mainly caused by oxidative stress. Reactive oxygen and nitrogen species (ROS and RNS, respectively), collectively known as RONS, are produced by cellular enzymes such as myeloperoxidase, NADPH-oxidase (nicotinamide adenine dinucleotide phosphate-oxidase) and nitric oxide synthase (NOS)...
July 10, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28693070/-expression-of-annexin-a1-in-peripheral-blood-cells-of-na%C3%A3-ve-rheumatoid-arthritis-patients-and-its-influencing-factors
#13
Y F Mei, S M Dai, H N Jia, Z G Lin, Z Y Zhang
Objective: To explore the expression of Annexin a1 (AnxA1) mRNA in peripheral blood mononuclear cells (PBMC) from Naïve rheumatoid arthritis (RA) patients and healthy controls and to investigate its influencing factors. Methods: Thirty Naïve RA patients and 36 healthy controls were recruited from the First Affiliated Hospital of Harbin Medical University between May 2013 and January 2015.All RA patients were fulfilled the classification criteria of ACR in 1987.Clinical characteristics and laboratory indexes were collected...
July 4, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28670110/cryptotanshinone-induces-cell-cycle-arrest-and-apoptosis-through-the-jak2-stat3-and-pi3k-akt-nf%C3%AE%C2%BAb-pathways-in-cholangiocarcinoma-cells
#14
Fayong Ke, Zheng Wang, Xiaoling Song, Qiang Ma, Yunping Hu, Lin Jiang, Yijian Zhang, Yingbin Liu, Yong Zhang, Wei Gong
BACKGROUND: Cholangiocarcinoma (CCA) is the most common biliary tract malignancy in the world with high resistance to current chemotherapies and extremely poor prognosis. The main objective of this study was to investigate the inhibitory effects of cryptotanshinone (CTS), a natural compound isolated from Salvia miltiorrhiza Bunge, on CCA both in vitro and in vivo and to explore the underlying mechanisms of CTS-induced apoptosis and cell cycle arrest. METHODS: The anti-tumor activity of CTS on HCCC-9810 and RBE cells was assessed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide (MTT) assay and colony forming assays...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28655761/the-resolution-of-acute-inflammation-induced-by-cyclic-amp-is-dependent-on-annexin-a1
#15
Kátia M Lima, Juliana P Vago, Thaís R Caux, Graziele Letícia Negreiros-Lima, Michelle A Sugimoto, Luciana P Tavares, Raquel G Arribada, Aline Alves F Carmo, Izabela Galvão, Bruno Rocha C Costa, Frederico M Soriani, Vanessa Pinho, Egle Solito, Mauro Perretti, Mauro M Teixeira, Lirlândia P Sousa
Annexin A1 (AnxA1) is a glucocorticoid-regulated protein known for its anti-inflammatory and pro-resolving effects. We have shown previously that the cAMP-enhancing compounds rolipram (ROL; a PDE4 inhibitor) and Bt2cAMP (a cAMP mimetic) drive caspase-dependent resolution of neutrophilic inflammation. In this follow-up study, we investigated whether AnxA1 could be involved in the pro-resolving properties of these compounds using a model of LPS-induced inflammation in BALB/c mice. The treatment with ROL or Bt2cAMP at the peak of inflammation shortened resolution intervals, improved resolution indices, and increased AnxA1 expression...
August 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28627624/pro-oxidant-activity-of-sulforaphane-and-cisplatin-potentiates-apoptosis-and-simultaneously-promotes-autophagy-in-malignant-mesothelioma-cells
#16
Yoon-Jin Lee, Sang-Han Lee
Sulforaphane (SFN) is an isothiocyanate compound derived from glucoraphanin, which is found in cruciferous vegetables, and has been heralded as a chemopreventive and/or chemotherapeutic agent. The present study investigated the effects of SFN on enhancing the anticancer role of cisplatin (cis-dichlorodiammineplatinum; CDDP) in H‑28 malignant mesothelioma cells. At concentrations demonstrating limited toxicity in MeT‑5A normal human mesothelial cells, combination treatment with the two compounds exhibited synergistic growth‑inhibiting and apoptosis‑promoting activities, as demonstrated by a series of proapoptotic events, including reactive oxygen species accumulation, loss of mitochondrial membrane potential, upregulation of p53 expression, increased B‑cell lymphoma 2 (Bcl‑2) associated X protein/Bcl‑2 ratio, activation of caspase‑3, the occurrence of a sub‑G0/G1 peak and an increase in cells with pyknotic and fragmented nuclei, Annexin V‑phycoerythrin‑positive staining and G2/M phase‑transition delay in the cell cycle...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28608720/diagnostic-algorithm-of-common-mature-b-cell-lymphomas-by-immunohistochemistry
#17
Huan-You Wang, Youli Zu
CONTEXT: - Different types of mature B-cell lymphomas, including plasma cell neoplasms, exhibit distinct immunohistochemical profiles, which enable them to be correctly diagnosed. However, except for rare examples of lymphoma-specific immunohistochemistry, such as cyclin D1 in mantle cell lymphoma and annexin A1 in hairy cell leukemia, immunohistochemical profiles of mature B-cell lymphomas overlap and lack specificity. OBJECTIVES: - To systemically review immunohistochemical features associated with commonly encountered mature B-cell lymphomas based on the presence or absence of CD5 and CD10; to review the immunophenotypic profile of plasma cells derived from plasma cell myelomas and B-cell lymphomas; and to review a group of rare, aggressive B-cell lymphomas with antigen expression features of plasma cells...
September 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28608282/poly-adp-ribosylated-proteins-in-mononuclear-cells-from-patients-with-type-2-diabetes-identified-by-proteomic-studies
#18
Alessandra Giorgi, Italo Tempera, Giorgia Napoletani, Diego Drovandi, Cinzia Potestà, Sara Martire, Elisabetta Mandosi, Tiziana Filardi, M Eugenia Schininà, Susanna Morano, Maria d'Erme, Bruno Maras
AIMS: In diabetes, hyperglycemia increases reactive oxygen species that induce DNA damage and poly(ADP-ribose)polymerase activation. The aim of this study is to characterize the proteomic profile and the role of poly(ADP-ribosylation) in patients with type 2 diabetes. METHODS: A proteomic platform based on 2DE and MALDI-ToF spectrometry was applied to peripheral blood mononuclear cells obtained from two different cohorts in which diabetic (n = 14) and normoglycemic patients (n = 11) were enrolled...
June 12, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28551657/circulating-antibodies-to-linear-peptide-antigens-derived-from-anxa1-and-foxp3-in-lung-cancer
#19
Weili Wang, Wen Zhong, Cairen Chen, Qingyong Meng, Jun Wei
BACKGROUND: Our previous studies revealed that concentrations of circulating antibodies to annexin A1 (ANXA1) and forkhead-box P3 (FOXP3) increased significantly in patients with non-small cell lung cancer (NSCLC). This study was thus undertaken to replicate our initial findings with different sample sets. PATIENTS AND METHODS: Antibodies were tested in 108 patients with NSCLC and 216 controls, who were divided into the discovery (49 vs. 108) and validation (60 vs...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28527709/boosting-inflammation-resolution-in-atherosclerosis-the-next-frontier-for-therapy
#20
REVIEW
Gabrielle Fredman, Ira Tabas
Defective inflammation resolution is the underlying cause of prevalent chronic inflammatory diseases, such as arthritis, asthma, cancer, and neurodegenerative and cardiovascular diseases. Inflammation resolution is governed by several endogenous factors, including fatty acid-derived specialized proresolving mediators and proteins, such as annexin A1. Specifically, specialized proresolving mediators comprise a family of mediators that include arachidonic acid-derived lipoxins, omega-3 fatty acid eicosapentaenoic acid-derived resolvins, docosahexaenoic acid-derived resolvins, protectins, and maresins...
June 2017: American Journal of Pathology
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