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AnxA1

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https://www.readbyqxmd.com/read/28329022/annexin-a1-in-blood-mononuclear-cells-from-patients-with-coronary-artery-disease-its-association-with-inflammatory-status-and-glucocorticoid-sensitivity
#1
Ida Bergström, Anna K Lundberg, Simon Jönsson, Eva Särndahl, Jan Ernerudh, Lena Jonasson
Annexin A1 (AnxA1) is a key player in resolution of inflammation and a mediator of glucocorticoid actions. In atherosclerotic tissue, increased expression of AnxA1 has been associated with protective plaque-stabilizing effects. Here, we investigated the expression of AnxA1 in peripheral blood mononuclear cells (PBMCs) from patients with coronary artery disease (CAD). Blood was collected from 57 patients with stable CAD (SCAD) and 41 healthy controls. We also included a minor group (n = 10) with acute coronary syndrome (ACS)...
2017: PloS One
https://www.readbyqxmd.com/read/28320709/plasmin-and-plasminogen-induce-macrophage-reprogramming-and-regulate-key-steps-of-inflammation-resolution-via-annexin-a1
#2
Michelle A Sugimoto, Ana Luíza C Ribeiro, Bruno R C Costa, Juliana P Vago, Kátia M Lima, Fernanda S Carneiro, Mylena Maira O Ortiz, Graziele Letícia N Lima, Aline A F Carmo, Renata M Rocha, Denise A Perez, Alessandra C Reis, Vanessa Pinho, Lindsey A Miles, Cristiana C Garcia, Mauro M Teixeira, Lirlândia P Sousa
Inflammation resolution is an active process that functions to restore tissue homeostasis. Participation of the plasminogen/plasmin (Plg/Pla) system in the productive phase of inflammation is well known, but its involvement in the resolution phase remains unclear. Therefore, we aimed to investigate the potential role of Plg/Pla in key events during the resolution of acute inflammation and its underlying mechanisms. Plg/Pla injection into the pleural cavity of BALB/c mice induced a time-dependent influx of mononuclear cells that were primarily macrophages of anti-inflammatory (M2 - F4/80(high) Gr1(-) CD11b(high)) and proresolving (Mres - F4/80(med) CD11b(low)) phenotypes, without changing the number of macrophages with a pro-inflammatory profile (M1 - F4/80(low) Gr1(+) CD11b(med))...
March 20, 2017: Blood
https://www.readbyqxmd.com/read/28289158/annexin-a1-is-involved-in-the-resolution-of-inflammatory-responses-during-leishmania-braziliensis-infection
#3
Leandro G Oliveira, Míriam C Souza-Testasicca, Juliana P Vago, Amanda Braga Figueiredo, Adriana M C Canavaci, Luiza Oliveira Perucci, Tatiana P Teixeira Ferreira, Eduardo A F Coelho, Denise Utsch Gonçalves, Manoel Otávio C Rocha, Patrícia M R E Silva, Cláudia N Ferreira, Celso Queiroz-Junior, Lirlândia P Sousa, Ana Paula Fernandes
Leishmaniases are diseases caused by several Leishmania species. Leishmania (Viannia) braziliensis can cause localized cutaneous leishmaniasis (LCL), which heals spontaneously, or mucosal leishmaniasis (ML), characterized by chronic and intense inflammation and scanty parasitism. Annexin A1 (AnxA1) is a protein involved in modulation and resolution of inflammation through multiple mechanisms. In the present study, the role of AnxA1 was investigated in L. braziliensis-infected BALB/c mice. AnxA1 levels increased at the peak of tissue lesion and parasitism in infected mice...
March 13, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28278234/heterogeneity-of-mast-cells-and-expression-of-annexin-a1-protein-in-a-second-degree-burn-model-with-silver-sulfadiazine-treatment
#4
Helena Ribeiro Souza, Lucas Ribeiro de Azevedo, Lucas Possebon, Sara de Souza Costa, Melina Mizusaki Iyomasa-Pilon, Sonia Maria Oliani, Ana Paula Girol
Mast cells (MCs) participate in all stages of skin healing and one of their mediators is the Annexin A1 protein (AnxA1), linked to inflammation, proliferation, migration and apoptosis processes, but not studied in thermal burns yet. Therefore, our objectives were to evaluate the behavior of MCs and AnxA1 in a second degree burn model, treated or not with silver sulfadiazine 1% (SDP 1%) and associated to macrophages quantification and cytokines dosages. MCs counts showed few cells in the early stages of repair but increased MCs in the final phases in the untreated group...
2017: PloS One
https://www.readbyqxmd.com/read/28257834/anxa1ac2-26-peptide-a-possible-therapeutic-approach-in-inflammatory-ocular-diseases
#5
Laila Toniol Cardin, Nathália Martins Sonehara, Kallyne Kioko Oliveira Mimura, Anemari Ramos Dinarte Dos Santos, Wilson Araújo da Silva, Lays Martin Sobral, Andréia Machado Leopoldino, Bianca Rodrigues da Cunha, Eloiza H Tajara, Sonia Maria Oliani, Flávia Cristina Rodrigues-Lisoni
The eye is immunologically privileged when inflammatory responses are suppressed. One component responsible for the suppression of inflammatory responses is the blood retinal barrier, which comprises the retinal pigment epithelium. The destruction of this barrier initiates inflammation, which can affect any part of the eye. Therefore, inflammatory response is controlled by the action of anti-inflammatory mediators, among these mediators, annexin A1 (ANXA1) protein acts as a modulator of inflammation. In this study we aimed to improve the knowledge of this area by investigating how a peptide of the ANXA1 protein (ANXA1Ac2-26) modulates the morphology, proliferation, migration and expression of genes and proteins in human retinal pigment epithelium cells (ARPE-19)...
February 28, 2017: Gene
https://www.readbyqxmd.com/read/28216224/targeted-proteomics-driven-verification-of-biomarker-candidates-associated-with-breast-cancer-aggressiveness
#6
Iva Procházková, Juraj Lenčo, Alena Fučíková, Jiří Dresler, Lenka Čápková, Roman Hrstka, Rudolf Nenutil, Pavel Bouchal
Breast cancer is the most common and molecularly relatively well characterized malignant disease in women, however, its progression to metastatic cancer remains lethal for 78% of patients 5years after diagnosis. Novel markers could identify the high risk patients and their verification using quantitative methods is essential to overcome genetic, inter-tumor and intra-tumor variability and translate novel findings into cancer diagnosis and treatment. We recently identified 13 proteins associated with estrogen receptor, tumor grade and lymph node status, the key factors of breast cancer aggressiveness, using untargeted proteomics...
February 16, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28143660/proteomics-based-analysis-of-lung-injury-induced-proteins-in-a-mouse-model-of-common-bile-duct-ligation
#7
Tomohisa Sakaue, Fumiaki Shikata, Kaho Utsunomiya, Shunya Fukae, Mie Kurata, Hirotomo Nakaoka, Mikio Okazaki, Yujiro Kawanishi, Ai Kojima, Shigeki Higashiyama, Hironori Izutani
BACKGROUND: Lung injury is a life-threatening complication in patients with liver dysfunction. We recently provided an experimental lung injury model in mouse with common bile duct ligation. In this study, we aimed to characterize the pathologic and biochemical features of lung tissues in common bile duct ligation mice using a proteomic approach. METHODS: Common bile ducts of BALB/c mice, 8 weeks of age, were ligated operatively. CD31-expressing pulmonary cells were sorted with immunomagnetic microbeads, and protein profiles were examined by 2-dimensional gel electrophoresis...
January 28, 2017: Surgery
https://www.readbyqxmd.com/read/28101240/downregulation-of-annexin-a1-is-correlated-with-radioresistance-in-nasopharyngeal-carcinoma
#8
Lifang Huang, Li Liao, Yanping Wan, Ailan Cheng, Meixiang Li, Sihan Chen, Maoyu Li, Xing Tan, Guqing Zeng
Radiotherapy is the primary treatment for nasopharyngeal carcinoma (NPC), but radioresistance often remains an obstacle to successful treatment. In our previous study, it was demonstrated that Annexin A1 (ANXA1) was involved in the p53-mediated radioresponse in NPC cells, which suggested that it may be associated with radioresistance in NPC; however, the role of ANXA1 in NPC radioresistance is unknown. In the present study, CNE2 cells were stably transfected with pLKO.1-ANXA1-small hairpin (sh)RNAs to investigate the effects of ANXA1 on the radiosensitivity of NPC...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28062503/protective-aptitude-of-annexin-a1-in-arterial-neointima-formation-in-atherosclerosis-prone-mice
#9
Renske J de Jong, Nicole Paulin, Patricia Lemnitzer, Joana R Viola, Carla Winter, Bartolo Ferraro, Jochen Grommes, Christian Weber, Chris Reutelingsperger, Maik Drechsler, Oliver Soehnlein
OBJECTIVE: Restenosis as a consequence of arterial injury is aggravated by inflammatory pathways. Here, we investigate the role of the proresolving protein annexin A1 (AnxA1) in healing after wire injury. APPROACH AND RESULTS: Apoe(-/-) and Apoe(-/-)Anxa1(-/-) mice were subjected to wire injury while fed a high-cholesterol diet. Subsequently, localization of AnxA1 and AnxA1 plasma levels were examined. AnxA1 was found to localize within endothelial cells and macrophages in the neointima...
December 29, 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28058586/key-genes-in-stomach-adenocarcinoma-identified-via-network-analysis-of-rna-seq-data
#10
Li Shen, Lizhi Zhao, Jiquan Tang, Zhiwei Wang, Weisong Bai, Feng Zhang, Shouli Wang, Weihua Li
RNA-seq data of stomach adenocarcinoma (STAD) were analyzed to identify critical genes in STAD. Meanwhile, relevant small molecule drugs, transcription factors (TFs) and microRNAs (miRNAs) were also investigated. Gene expression data of STAD were downloaded from The Cancer Genome Atlas (TCGA). Differential analysis was performed with package edgeR. Relationships with correlation coefficient > 0.6 were retained in the gene co-expression network. Functional enrichment analysis was performed for the genes in the network with DAVID and KOBASS 2...
January 5, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28035369/effect-of-annexin-a1-gene-on-the-proliferation-and-invasion-of-esophageal-squamous-cell-carcinoma-cells-and-its-regulatory-mechanisms
#11
Gaohua Han, Kaijin Lu, Junxing Huang, Jun Ye, Shengbin Dai, Yunyao Ye, Lixin Zhang
The aim of this study was to examine the effect of Annexin A1 (ANXA1) on the proliferation, migration and invasion of esophageal squamous cell carcinoma (ESCC) cells and its possible mechanisms of action. After constructing the ANXA1 overexpression plasmid, we transfected this plasmid and/or microRNA (miRNA)‑196a mimic into ESCC cells (Eca109 cell line). Methyl thiazolyl tetrazolium (MTT) assay and Transwell chamber assay were performed to determine cell proliferation, migration and invasion, respectively...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27995621/annexin-a1-promotes-timely-resolution-of-inflammation-in-murine-gout
#12
Izabela Galvão, Juliana P Vago, Livia C Barroso, Luciana P Tavares, Celso M Queiroz-Junior, Vivian V Costa, Fernanda S Carneiro, Tatiana P Ferreira, Patricia M R Silva, Flávio A Amaral, Lirlândia P Sousa, Mauro M Teixeira
Gout is a self-limited inflammatory disease caused by deposition of monosodium urate (MSU) crystals in the joints. Resolution of inflammation is an active process leading to restoration of tissue homeostasis. Here, we studied the role of Annexin A1 (AnxA1), a glucocorticoid-regulated protein that has anti-inflammatory and proresolving actions, in resolution of acute gouty inflammation. Injection of MSU crystals in the knee joint of mice induced inflammation that was associated with expression of AnxA1 during the resolving phase of inflammation...
December 19, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27956131/annexin-a2-is-involved-in-ca-2-dependent-plasma-membrane-repair-in-primary-human-endothelial-cells
#13
Sophia Nina Koerdt, Volker Gerke
Many cells in an organism are exposed to constant and acute mechanical stress that can induce plasma membrane injuries. These plasma membrane wounds have to be resealed rapidly to guarantee cell survival. Plasma membrane resealing in response to mechanical strain has been studied in some detail in muscle, where it is required for efficient recovery after insult. However, less is known about the capacity of other cell types and tissues to perform membrane repair and the underlying molecular mechanisms. Here we show that vascular endothelial cells, which are subject to profound mechanical burden, can reseal plasma membrane holes inflicted by laser ablation...
December 9, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27941907/identification-of-specific-biomarkers-for-gastric-adenocarcinoma-by-itraq-proteomic-approach
#14
Xiaoxiao Wang, Qiaoming Zhi, Songbai Liu, Sheng-Li Xue, Congcong Shen, Yangxin Li, Chaofan Wu, Zaixiang Tang, Weichang Chen, Jenny Lee Song, Meiyu Bao, Yao-Hua Song, Jin Zhou
The aim of this study was to identify biomarkers for gastric cancer (GC) by iTRAQ. Using proteins extracted from a panel of 4 pairs of gastric adenocarcinoma samples (stage III-IV, Her-2 negative), we identified 10 up regulated and 9 down regulated proteins in all four pairs of GC samples compared to adjacent normal gastric tissue. The up regulated proteins are mainly involved in cell motility, while the down regulated proteins are mitochondrial enzymes involved in energy metabolism. The expression of three up regulated proteins (ANXA1, NNMT, fibulin-5) and one of the down regulated proteins (UQCRC1) was validated by Western Blot in 97 GC samples...
December 12, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27887959/decreased-plasma-concentrations-of-brain-derived-neurotrophic-factor-in-preeclampsia
#15
Luiza Oliveira Perucci, Érica Leandro Marciano Vieira, Antônio Lúcio Teixeira, Karina Braga Gomes, Luci Maria Dusse, Lirlândia Pires Sousa
BACKGROUND: Preeclampsia (PE) is a disease characterized by excessive maternal inflammatory response. Early studies suggested that brain-derived neurotrophic factor (BDNF) modulates inflammation. The main objective of this study was to investigate BDNF plasma concentrations in PE women and to compare with BDNF concentrations from normotensive pregnant women. We also investigated the association among the plasma concentrations of BDNF and inflammatory mediators, and maternal clinical features...
January 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27860536/the-advantageous-role-of-annexin-a1-in-cardiovascular-disease
#16
Renske Johanna de Jong, Giovanna Leoni, Maik Drechsler, Oliver Soehnlein
The inflammatory response protects the human body against infection and injury. However, uncontrolled and unresolved inflammation can lead to tissue damage and chronic inflammatory diseases. Therefore, active resolution of inflammation is essential to restore tissue homeostasis. This review focuses on the pro-resolving molecule annexin A1 (ANXA1) and its derived peptides. Mechanisms instructed by ANXA1 are multidisciplinary and affect leukocytes as well as endothelial cells and tissue resident cells like macrophages and mast cells...
November 18, 2016: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/27834582/hypoxia-regulates-anxa1-expression-to-support-prostate-cancer-cell-invasion-and-aggressiveness
#17
Valentina Bizzarro, Raffaella Belvedere, Vincenzo Migliaro, Elena Romano, Luca Parente, Antonello Petrella
Annexin A1 (ANXA1) is a Ca(2+)-binding protein overexpressed in the invasive stages of prostate cancer (PCa) development; however, its role in this tumor metastatization is largely unknown. Moreover, hypoxic conditions in solid tumors have been related to poor prognosis in PCa patients. We have previously demonstrated that ANXA1 is implicated in the acquisition of chemo-resistant features in DU145 PCa cells conferring them a mesenchymal/metastatic phenotype. In this study, we have investigated the mechanisms by which ANXA1 regulates metastatic behavior in LNCaP, DU145 and PC3 cells exposed to hypoxia...
November 11, 2016: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/27833268/interaction-between-anxa1-and-gata-3-in-immunosuppression-of-cd4-t-cells
#18
Peng Huang, Yuxiang Zhou, Zan Liu, Pihong Zhang
Decreased Th1/Th2 ratio is one of the major characteristics of immunosuppression in sepsis. Both membrane adhesive protein Annexin-A1 (ANXA1) and transcription factor GATA-3 have been reported to play important roles in T cell differentiation. However, the relationship between ANXA1 and GATA-3 in Th1/Th2 shift is unknown. Our study investigated the interaction effects of ANXA1 and GATA-3 to influence T cell differentiation in CD4(+) T cells. We found that GATA-3 and ANXA1 were coexpressed on Th0/Th1/Th2 cytoplasm and nuclear...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27802331/inflammation-in-sickle-cell-disease-differential-and-down-expressed-plasma-levels-of-annexin-a1-protein
#19
Lidiane S Torres, Jéssika V Okumura, Danilo G H Silva, Kallyne K O Mimura, Édis Belini-Júnior, Renan G Oliveira, Clarisse L C Lobo, Sonia M Oliani, Claudia R Bonini-Domingos
Sickle cell disease (SCD) is an inherited hemolytic anemia whose pathophysiology is driven by polymerization of the hemoglobin S (Hb S), leading to hemolysis and vaso-occlusive events. Inflammation is a fundamental component in these processes and a continuous inflammatory stimulus can lead to tissue damages. Thus, pro-resolving pathways emerge in order to restore the homeostasis. For example there is the annexin A1 (ANXA1), an endogenous anti-inflammatory protein involved in reducing neutrophil-endothelial interactions, accelerating neutrophil apoptosis and stimulating macrophage efferocytosis...
2016: PloS One
https://www.readbyqxmd.com/read/27782092/annexin-1-mediates-microglial-activation-and-migration-via-the-ck2-pathway-during-oxygen-glucose-deprivation-reperfusion
#20
Shuangxi Liu, Yan Gao, Xiaoli Yu, Baoming Zhao, Lu Liu, Yin Zhao, Zhenzhao Luo, Jing Shi
Annexin-1 (ANXA1) has shown neuroprotective effects and microglia play significant roles during central nervous system injury, yet the underlying mechanisms remain unclear. This study sought to determine whether ANXA1 regulates microglial response to oxygen-glucose deprivation/reperfusion (OGD/R) treatment and to clarify the downstream molecular mechanism. In rat hippocampal slices, OGD/R treatment enhanced the ANXA1 expression in neuron, the formyl peptide receptor (FPRs) expression in microglia, and the microglial activation in the CA1 region (cornu ammonis 1)...
October 22, 2016: International Journal of Molecular Sciences
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