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annexin a1

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https://www.readbyqxmd.com/read/28627624/pro-oxidant-activity-of-sulforaphane-and-cisplatin-potentiates-apoptosis-and-simultaneously-promotes-autophagy-in-malignant-mesothelioma-cells
#1
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...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28608720/diagnostic-algorithm-of-common-mature-b-cell-lymphomas-by-immunohistochemistry
#2
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...
June 13, 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
#3
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
#4
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
#5
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
https://www.readbyqxmd.com/read/28524456/endothelial-microparticles-released-by-activated-protein-c-protect-beta-cells-through-epcr-par1-and-annexin-a1-fpr2-pathways-in-islets
#6
Guillaume Kreutter, Mohamad Kassem, Ali El Habhab, Philippe Baltzinger, Malak Abbas, Julie Boisrame-Helms, Lamia Amoura, Jean Peluso, Blandine Yver, Zobairi Fatiha, Geneviève Ubeaud-Sequier, Laurence Kessler, Florence Toti
Islet transplantation is associated with early ischaemia/reperfusion, localized coagulation and redox-sensitive endothelial dysfunction. In animal models, islet cytoprotection by activated protein C (aPC) restores islet vascularization and protects graft function, suggesting that aPC triggers various lineages. aPC also prompts the release of endothelial MP that bear EPCR, its specific receptor. Microparticles (MP) are plasma membrane procoagulant vesicles, surrogate markers of stress and cellular effectors...
May 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28522586/antitumor-synergism-and-enhanced-survival-with-a-tumor-vasculature-targeted-enzyme-prodrug-system-rapamycin-and-cyclophosphamide
#7
John J Krais, Needa Virani, Partick H McKernan, Quang Nguyen, Kar-Ming Fung, Vassilios I Sikavitsas, Carla D Kurkjian, Roger G Harrison
Mutant cystathionine gamma-lyase was targeted to phosphatidylserine exposed on tumor vasculature through fusion with annexin A1 or annexin A5.  Cystathionine gamma-lyase E58N, R118L, and E338N mutations impart non-native methionine gamma-lyase activity, resulting in tumor-localized generation of highly toxic methylselenol upon systemic administration of non-toxic selenomethionine.  The described therapeutic system circumvents systemic toxicity issues using a novel drug delivery/generation approach and avoids the administration of non-native proteins and/or DNA required with other enzyme prodrug systems...
May 18, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28481224/intermittent-glucocorticoid-steroid-dosing-enhances-muscle-repair-without-eliciting-muscle-atrophy
#8
Mattia Quattrocelli, David Y Barefield, James L Warner, Andy H Vo, Michele Hadhazy, Judy U Earley, Alexis R Demonbreun, Elizabeth M McNally
Glucocorticoid steroids such as prednisone are prescribed for chronic muscle conditions such as Duchenne muscular dystrophy, where their use is associated with prolonged ambulation. The positive effects of chronic steroid treatment in muscular dystrophy are paradoxical because these steroids are also known to trigger muscle atrophy. Chronic steroid use usually involves once-daily dosing, although weekly dosing in children has been suggested for its reduced side effects on behavior. In this work, we tested steroid dosing in mice and found that a single pulse of glucocorticoid steroids improved sarcolemmal repair through increased expression of annexins A1 and A6, which mediate myofiber repair...
June 1, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28473469/an-engineered-cyclic-peptide-alleviates-symptoms-of-inflammation-in-a-murine-model-of-inflammatory-bowel-disease
#9
Claudia Cobos Caceres, Paramjit S Bansal, Severine Navarro, David Wilson, Laurianne Don, Paul Giacomin, Alex Loukas, Norelle L Daly
Inflammatory bowel diseases (IBDs) are a set of complex and debilitating diseases for which there is no satisfactory treatment. Recent studies have shown that small peptides show promise for reducing inflammation in models of IBD. However, these small peptides are likely to be unstable and rapidly cleared from the circulation, and therefore, if not modified for better stability, represent non-viable drug leads. We hypothesized that improving the stability of these peptides by grafting them into a stable cyclic peptide scaffold may enhance their therapeutic potential...
June 16, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28471519/mast-cells-mediate-early-neutrophil-recruitment-and-exhibit-anti-inflammatory-properties-via-the-formyl-peptide-receptor-2-lipoxin-a4-receptor
#10
Ellen L Hughes, Felix Becker, Roderick J Flower, Julia C Buckingham, Felicity N E Gavins
BACKGROUND AND PURPOSE: In recent years, studies have focused on the resolution of inflammation, which can be achieved by endogenous anti-inflammatory agonists such as Annexin A1 (AnxA1). Here, we investigated the effects of mast cells (MCs) on early LPS-induced neutrophil recruitment and the involvement of the AnxA1-formyl peptide receptor 2/ALX (FPR2/ALX or lipoxin A4 receptor) pathway. EXPERIMENTAL APPROACH: Intravital microscopy (IVM) was used to visualize and quantify the effects of LPS (10 μg per mouse i...
July 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28444898/an-isoquinolin-1-2h-imine-derivative-induces-cell-death-via-generation-of-reactive-oxygen-species-and-activation-of-jnk-in-human-a549-cancer-cells
#11
Jing Liu, Tongyang Liu, Hanchuan Mou, Shuting Jia, Chao Huang, Shengjiao Yan, Jun Lin, Ying Luo, Jihong Zhang
Compound 11-benzoyl-10-chloro-7,9-difluoro-6-imino-2,3,4,6-tetrahydro-1H-pyrimido[1,2-b]isoquinoline-8-carbonitrile (HC6h) is a novel polyhalo 1,3-diazaheterocycle fused isoquinolin-1(2H)-imines derivative, which displays good anticancer activity and low toxicity in vivo. However, the underlying anticancer mechanisms have not previously been identified. The proliferation of A549 was assessed by MTT assay. The reactive oxygen species (ROS) level was assessed in A549 with a H2 DCFDA probe. Mitochondrial membrane potential was measured using the JC-1 staining...
April 26, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28414743/the-et-1-mediated-carbonylation-and-degradation-of-anxa1-induce-inflammatory-phenotype-and-proliferation-of-pulmonary-artery-smooth-muscle-cells-in-hps
#12
Jing He, Bin Yi, Yang Chen, Qing Huang, Huan Wang, Kaizhi Lu, Weiling Fu
Hepatopulmonary syndrome (HPS) is a serious complication of advanced liver disease, which markedly increases mortality. Pulmonary vascular remodelling (PVR) induced by circulating mediators plays an important role in the pathogenesis of HPS, while the underlying mechanism remains undefined. In the present study, we reported that endothelin-1 (ET-1) is up-regulated and annexin A1(ANXA1) is down-regulated in HPS rat, and ET-1 decreases the ANXA1 expression in a dose-dependent manner in rat pulmonary arterial smooth muscle cells (PASMCs)...
2017: PloS One
https://www.readbyqxmd.com/read/28407017/characterizing-the-anti-inflammatory-and-tissue-protective-actions-of-a-novel-annexin-a1-peptide
#13
Mauro Perretti, Clara Di Filippo, Michele D'Amico, Jesmond Dalli
Inflammation in now appreciated to be at the centre of may diseases that affect Western civilization. Current therapeutics for managing these conditions may interfere with the host response leading to immune suppression. We recently developed an annexin (Anx) A1-derived peptide, coined CR-AnxA12-50, which displays potent pro-resolving and tissue protective actions. Herein, we designed a novel peptide using CR-AnxA12-50 as a template that was significantly more resistant to neutrophil-mediated degradation. This peptide, termed CR-AnxA12-48, retained high affinity and specificity to the pro-resolving Lipoxin A4 receptor (ALX) with an IC50 of ~20nM...
2017: PloS One
https://www.readbyqxmd.com/read/28389361/annexin-a1-nuclear-translocation-induces-retinal-ganglion-cell-apoptosis-after-ischemia-reperfusion-injury-through-the-p65-il-1%C3%AE-pathway
#14
Yin Zhao, Xing Li, Jieling Gong, Lu Li, Liwen Chen, Lu Zheng, Zhiqi Chen, Jing Shi, Hong Zhang
The degeneration of retinal ganglion cells (RGCs) has been identified as a major problem in glaucoma. Previous studies have indicated an association between annexin A1 (ANXA1) and neuronal cell apoptosis, and RGCs apoptosis in acute ischemia-reperfusion was attributed to an increased production of IL-1β. We found that the expression and nuclear translocation of ANXA1 were upregulated in models of acute ischemia-reperfusion in RGCs in vivo. ANXA1 was found to have a promoting effect on the expression of IL-1β in primary cultured RGCs, which could be inhibited by treatment with ANXA1 shRNA or the p65 inhibitor BAY 11-7082...
April 4, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28379492/identification-and-dynamic-changes-of-rnas-isolated-from-raly-containing-ribonucleoprotein-complexes
#15
Annalisa Rossi, Albertomaria Moro, Toma Tebaldi, Nicola Cornella, Lisa Gasperini, Lorenzo Lunelli, Alessandro Quattrone, Gabriella Viero, Paolo Macchi
RALY is a member of the heterogeneous nuclear ribonucleoprotein family (hnRNP), a large family of RNA-binding proteins involved in many aspects of RNA metabolism. Although RALY interactome has been recently characterized, a comprehensive global analysis of RALY-associated RNAs is lacking and the biological function of RALY remains elusive. Here, we performed RIP-seq analysis to identify RALY interacting RNAs and assessed the role of RALY in gene expression. We demonstrate that RALY binds specific coding and non-coding RNAs and associates with translating mRNAs of mammalian cells...
April 4, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28378195/characterization-of-ostertagia-ostertagi-annexin-like-proteins-at-different-developmental-stages
#16
Pooja Sharma, Mark Jenkins, Dante Zarlenga, Ray Fetterer, Zhengguo Xiao, Wenbin Tuo
Ostertagiosis remains an economically important parasitic disease in cattle in the temperate regions of the world. Repeated exposures to Ostertagia ostertagi in calves cause significant pathology in the abomasum but elicit little protective immunity. The larvae use the host's gastric glands as a niche for development, where the parasite completes its parasitic stages, while in the gastric glands, the larvae must down-regulate the host inflammatory immune responses. Annexin (ANX) A1, commonly found in most eukaryotes, is heavily involved in controlling anti-inflammatory responses by binding receptors on leukocytes...
March 29, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28373208/role-of-the-glucocorticoid-induced-leucine-zipper-gene-in-dexamethasone-induced-inhibition-of-mouse-neutrophil-migration-via-control-of-annexin-a1-expression
#17
Erika Ricci, Simona Ronchetti, Eva Pericolini, Elena Gabrielli, Luigi Cari, Marco Gentili, Elena Roselletti, Graziella Migliorati, Anna Vecchiarelli, Carlo Riccardi
The glucocorticoid-induced leucine zipper gene (GILZ) is a pivotal mediator of the anti-inflammatory effects of glucocorticoids (GCs) that are known to regulate the function of both adaptive and innate immunity cells. Our aim was to investigate the role of GILZ in GC-induced inhibition of neutrophil migration, as this role has not been investigated before. We found that GILZ expression was induced by dexamethasone (DEX), a synthetic GC, in neutrophils, and that it regulated migration of these cells into inflamed tissues under DEX treatment...
April 3, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28359055/lack-of-prenylated-proteins-autophagy-impairment-and-apoptosis-in-sh-sy5y-neuronal-cell-model-of-mevalonate-kinase-deficiency
#18
Paola Maura Tricarico, Alessandra Romeo, Rossella Gratton, Sergio Crovella, Fulvio Celsi
BACKGROUND/AIMS: Mevalonate Kinase Deficiency (MKD), is a hereditary disease due to mutations in mevalonate kinase gene (MVK). MKD has heterogeneous clinical phenotypes: the correlation between MVK mutations and MKD clinical phenotype is still to be fully elucidated. Deficiency of prenylated proteins has been hypothesized as possible MKD pathogenic mechanism. Based on this hypothesis and considering that neurologic impairment characterizes Mevalonic Aciduria (MA), the most severe form of MKD, we studied the effects of I268T and N301T MVK mutations on protein prenylation, autophagy and programmed cell death in SH-SY5Y neuroblastoma cell lines...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28357490/annexin-a10-optimally-differentiates-between-intrahepatic-cholangiocarcinoma-and-hepatic-metastases-of-pancreatic-ductal-adenocarcinoma-a-comparative-study-of-immunohistochemical-markers-and-panels
#19
Julia Kälsch, Juliet Padden, Stefanie Bertram, Leona L Pott, Henning Reis, Daniela Westerwick, Christoph M Schaefer, Jan-P Sowa, Dorothe Möllmann, Christian Fingas, Alexander Dechȇne, Barbara Sitek, Martin Eisenacher, Ali Canbay, Maike Ahrens, Hideo A Baba
Discriminating intrahepatic cholangiocarcinoma (ICC) from hepatic metastases of pancreatic ductal adenocarcinoma (mPDAC) can be challenging. While pathologists might depend on clinical information regarding a primary tumor, their diagnosis will lead the patient either to potentially curative surgery (for ICC) or to palliation (for mPDAC). Beyond the validation of recently published potential biomarkers for PDAC (primary or metastatic) in a large cohort, we assessed diagnostic performance of the most promising candidates in the challenging task of discriminating metastatic PDAC (mPDAC) from ICC...
May 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28355254/annexin-a1-can-inhibit-the-in-vitro-invasive-ability-of-nasopharyngeal-carcinoma-cells-possibly-through-annexin-a1-s100a9-vimentin-interaction
#20
Ying Xiao, Chenjie Ouyang, Weiguo Huang, Yunlian Tang, Weiting Fu, Ailan Cheng
Annexin A1 is a member of a large superfamily of glucocorticoid-regulated, calcium- and phospholipid-binding proteins. Our previous studies have shown that the abnormal expression of Annexin A1 is related to the occurrence and development of nasopharyngeal carcinoma (NPC). To understand the roles of Annexin A1 in the tumorigenesis of NPC, targeted proteomic analysis was performed on Annexin A1-associated proteins from NPC cells. We identified 436 proteins associated with Annexin A1, as well as two Annexin A1-interacted key proteins, S100A9 and Vimentin, which were confirmed by co-immunoprecipitation...
2017: PloS One
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