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https://www.readbyqxmd.com/read/27908811/decreased-serum-levels-of-high-mobility-group-box-1-hmgb-1-after-graft-replacement-or-stenting-of-abdominal-aortic-aneurysm
#1
Daiki Ousaka, Yasuhiro Fujii, Susumu Oozawa, Masahiro Nishibori, Yosuke Kuroko, Zenichi Masuda, Shunji Sano
OBJECTIVES: High-mobility group box 1 (HMGB-1) is a key substance mediating inflammation and development of atherosclerotic lesions (AL), including abdominal aortic aneurysms (AAA). Serum levels of HMGB-1 are increased in patients with AAA than in normal controls because the ALs in AAAs secrete HMGB-1. We therefore postulate that the serum HMGB-1 level should decrease after endovascular aortic repair (EVAR) or open aortic repair (OAR). However, there is no evidence of this in the literature...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27869797/the-receptor-for-advanced-glycation-end-products-impairs-collateral-formation-in-both-diabetic-and-non-diabetic-mice
#2
Laura M Hansen, Divya Gupta, Giji Joseph, Daiana Weiss, W Robert Taylor
Diabetics often have poor perfusion in their limbs as a result of peripheral artery disease and an impaired ability to generate collateral vessels. The receptor for advanced glycation end products (RAGE) is one protein that is thought to play a detrimental role in collateral development in diabetics due to increased levels of advanced glycation end products (AGE), one of its ligands, in diabetes. Thus, the aim of this study was to investigate the role of RAGE in both diabetic and non-diabetic settings in a model of collateral formation in mice...
November 21, 2016: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/27860296/impact-of-subnormothermic-machine-perfusion-preservation-in-severely-steatotic-rat-livers-a-detailed-assessment-in-an-isolated-setting
#3
Y Okamura, K Hata, H Tanaka, H Hirao, T Kubota, O Inamoto, S Kageyama, I Tamaki, N Yermek, J Yoshikawa, S Uemoto
Current drastic shortage of donor organs has led to acceptance of extended-criteria donors for transplantation, despite higher risk of primary non-function. Here, we report the impact of subnormothermic machine perfusion (SMP) preservation on the protection of >50% macro-steatotic livers. Dietary hepatic steatosis was induced in Wistar rats via 2-day fasting and subsequent 3-day re-feeding with a fat-free, carbohydrate-rich diet. This protocol induces 50-60% macrovesicular steatosis, which should be discarded when preserved via cold storage (CS)...
November 10, 2016: American Journal of Transplantation
https://www.readbyqxmd.com/read/27847406/high-mobility-group-box-1-a-missing-link-between-diabetes-and-its-complications
#4
REVIEW
Han Wu, Zheng Chen, Jun Xie, Li-Na Kang, Lian Wang, Biao Xu
High mobility group box-1 (HMGB-1), a damage-associated molecular pattern, can be actively or passively released from various cells under different conditions and plays a pivotal role in the pathogenesis of inflammation and angiogenesis-dependent diseases. More and more evidence suggests that inflammation, in addition to its role in progression of diabetes, also promotes initiation and development of diabetic complications. In this review, we focus on the role of HMGB-1 in diabetes-related complications and the therapeutic strategies targeting HMGB-1 in diabetic complications...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27833703/reduced-hmgb-1-mediated-pathway-and-oxidative-stress-in-resveratrol-treated-diabetic-mice-a-possible-mechanism-of-cardioprotection-of-resveratrol-in-diabetes-mellitus
#5
Han Wu, Zhen-Qiang Sheng, Jun Xie, Ran Li, Liang Chen, Guan-Nan Li, Lian Wang, Biao Xu
Myocardial fibrosis and inflammation are intricately linked in diabetic cardiomyopathy (DCM), and resveratrol has been shown to attenuate oxidative stress, inflammation, and fibrosis in several cell types or animal models. High mobility group box 1 (HMGB 1), a proinflammatory cytokine, has been reported to regulate fibrosis and inflammation in various organs. Then the present study aimed to reveal the expression of HMGB 1-mediated signaling pathway and oxidative stress in resveratrol-treated diabetic mice. The significant increase in serum HMGB 1 concentration in diabetic mice was attenuated by treatment with resveratrol...
2016: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/27804999/overexpression-of-soluble-rage-in-mesenchymal-stem-cells-enhances-their-immunoregulatory-potential-for-cellular-therapy-in-autoimmune-arthritis
#6
Min-Jung Park, Seung Hoon Lee, Su-Jin Moon, Jung-Ah Lee, Eun-Jung Lee, Eun-Kyung Kim, Jin-Sil Park, Jennifer Lee, Jun-Ki Min, Seok Jung Kim, Sung-Hwan Park, Mi-La Cho
Mesenchymal stem cells (MSCs) are attractive agents for cellular therapy in rheumatoid arthritis (RA). The receptor for advanced glycation end products (RAGE) serves as a pattern recognition receptor for endogenous inflammatory ligands. Soluble RAGE (sRAGE) is a truncated form of RAGE that functions as a decoy and acts as an anti-inflammatory molecule. The aim of this study was to determine whether sRAGE has therapeutic effects and the mechanisms active in sRAGE-overexpressing MSCs (sRAGE-MSCs) in an experimental model of RA...
November 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27796342/single-multiplex-detection-of-organ-injury-biomarkers-using-spri-based-nano-immunosensor
#7
Effat Zeidan, Siqi Li, Zhiguo Zhou, Jennifer Miller, Marinella G Sandros
The clinical assessment of multiple organ dysfunctions at early stages is recognized to be an important factor in prompting definitive treatment decisions that prevent irreversible organ damage. In this article, we propose a real-time, label-free, and multiplex nanoenhanced SPRi platform to quantitatively assess two biomarkers, kidney injury molecule (KIM-1) and high mobility group box-1 (HMGB-1) simultaneously in buffer. Our work involves three major contributions in the design of the immunosensor: (1) we applied site-specific immobilization of antibodies to the solid surface that avoids loss of biological activity caused by covalent attachment; (2) we constructed a well-blocked sensor surface that exhibits minimal non-specific adsorption for singleplex measurements of each biomarker in buffer; and (3) we adopted a sandwich assay that implements functionalized quantum dots (NanoEnhancers) as signal amplifiers to achieve a sensitivity level of 5 pg/mL for KIM-1 and HMGB-1 in buffer...
October 31, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27792788/trem-1-hmgb1-and-rage-in-the-shoulder-tendon-dual-mechanisms-for-inflammation-based-on-the-coincidence-of-glenohumeral-arthritis
#8
Finosh G Thankam, Matthew F Dilisio, Nicholas E Dietz, Devendra K Agrawal
Rotator cuff injury (RCI) is a major musculoskeletal disorder in the adult population where inflammation and pain are major contributing factors. Coincidence of other clinical conditions like glenohumeral arthritis aggravates inflammation and delays the healing response. The mechanism and signaling factors underlying the sustenance of inflammation in the rotator cuff joint are largely unknown. The present article aims to elucidate the involvement of inflammatory molecule, TREM-1 (Triggering Receptors Expressed on Myeloid cells-1), and danger-associated molecular patterns (DAMPs), including high mobility group protein 1 (HMGB-1) and RAGE (receptor for advanced glycation end products), in the setting of RCI with respect to the severity of glenohumeral arthritis...
2016: PloS One
https://www.readbyqxmd.com/read/27738641/plasma-c1q-tnf-related-protein-3-ctrp-3-and-high-mobility-group-box-1-hmgb-1-concentrations-in-subjects-with-prediabetes-and-type-2-diabetes
#9
Huili Wei, Hua Qu, Hang Wang, Huacong Deng
Aims. To detect the association of C1q/TNF-related protein-3 (CTRP-3) and high-mobility group box-1 (HMGB-1) in subjects with prediabetes (pre-DM) and newly diagnosed type 2 diabetes (nT2DM). Methods. 224 eligible participants were included. The 75 g oral glucose tolerance test (OGTT) and several clinical parameters of metabolic disorders and cytokines were measured. All participants were divided into three groups: normal glucose tolerance (NGT, n = 62), pre-DM (n = 111), and nT2DM group (n = 56). Results...
2016: Journal of Diabetes Research
https://www.readbyqxmd.com/read/27682500/-the-wle-of-high-mobility-group-protein-b1-hmgb-1-on-inflammatony-responese-and-pulmonary-fibrosis-induced-by-silica-dusty
#10
J X Ma, M Zhou, L L Xiao
No abstract text is available yet for this article.
July 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27676640/ethanol-and-high-cholesterol-diet-causes-severe-steatohepatitis-and-early-liver-fibrosis-in-mice
#11
Yasodha Krishnasamy, Venkat K Ramshesh, Monika Gooz, Rick G Schnellmann, John J Lemasters, Zhi Zhong
BACKGROUND AND AIM: Because ethanol consumption is commonly associated with a high cholesterol diet, we examined whether combined consumption of ethanol and high cholesterol increases liver injury and fibrosis. METHODS: Male C57BL/6J mice were fed diets containing: 1) 35% of calories from corn oil (CTR), 2) CTR plus 0.5% (w/v) cholesterol (Chol), 3) CTR plus ethanol (27% of calories) (EtOH), or 4) EtOH+Chol for 3 months. RESULTS: In mice fed Chol or EtOH alone, ALT increased to ~160 U/L, moderate hepatic steatosis occurred, and leukocyte infiltration, necrosis, and apoptosis increased modestly, but no observable fibrosis developed...
2016: PloS One
https://www.readbyqxmd.com/read/27567422/effects-of-insulin-combined-with-ethyl-pyruvate-on-inflammatory-response-and-oxidative-stress-in-multiple-organ-dysfunction-syndrome-rats-with-severe-burns
#12
Zhanke Wang, Rongjian Chen, Zhongzhen Zhu, Xiaoyun Zhang, Shiliang Wang
BACKGROUND: Inflammation response and oxidative stress promote the occurrence and development of multiple-organ dysfunction syndrome (MODS). METHODS: Eighty MODS rats with third-degree burns were divided randomly into 4 groups: insulin, ethyl pyruvate (EP), insulin combined with EP, and control. Blood levels of glucose, alanine aminotransferase (ALT), creatine (CRE), creatine kinase (CK), tumor necrosis factor α (TNF-α), high-mobility group box 1 (HMGB-1), malondialdehyde (MDA), and total antioxidant capacity (TAC) before as well as 1, 3, 5, and 7 days after burns were measured...
August 9, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27562050/-protective-effects-of-oxycodone-on-lipopolysaccharide-induced-acute-lung-injury-in-rats
#13
B Yang, W D Zhang, Y M Xia, Z P Zhang, L Li, L Zhang, W C Wang, Z D Wang, X P Li
OBJECTIVE: To analyze the role of oxycodone in acute lung injury(ALI) induced by lipopolysaccharide (LPS) in rats. METHODS: Male SD rats were randomly allocated into 4 groups: control group, oxycodone group, LPS group, LPS+ oxycodone group. The effects of oxycodone on LPS-induced neutrophils influx, inflammatory cytokines release, pulmonary edema, apoptotic cell were examined. In addition, the toll-like receptor 4 (TLR4) in lung tissues was detected by Western blotting...
August 16, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27539060/s100a12-is-up-regulated-in-pulmonary-tuberculosis-and-predicts-the-extent-of-alveolar-infiltration-on-chest-radiography-an-observational-study
#14
Luis C Berrocal-Almanza, Surabhi Goyal, Abid Hussain, Tilman E Klassert, Dominik Driesch, Zarko Grozdanovic, Gadamm Sumanlatha, Niyaz Ahmed, Vijayalakshmi Valluri, Melanie L Conrad, Nickel Dittrich, Ralf R Schumann, Birgit Lala, Hortense Slevogt
Pulmonary tuberculosis (PTB) results in lung functional impairment and there are no surrogate markers to monitor the extent of lung involvement. We investigated the clinical significance of S100A12 and soluble receptor for advanced glycation end-products (sRAGE) for predicting the extent of lung involvement. We performed an observational study in India with 119 newly diagnosed, treatment naïve, sputum smear positive, HIV-negative PTB patients and 163 healthy controls. All patients were followed-up for six months...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27522298/the-kinetics-of-damage-associated-molecular-patterns-damps-and-toll-like-receptors-during-thioacetamide-induced-acute-liver-injury-in-rats
#15
Mizuki Kuramochi, Takeshi Izawa, Munmun Pervin, Alexandra Bondoc, Mitsuru Kuwamura, Jyoji Yamate
Drug-induced liver injury (DILI) is a common problem in human medicine and it is a major reason to withdraw marketed drugs. However, the mechanism of DILI is still less known. Damage-associated molecular patterns (DAMPs), such as high-mobility group boxes (HMGBs), S100 proteins and heat shock proteins (HSPs), are released from injured or necrotic cells, bind to toll-like receptors (TLRs) and modulate inflammatory reactions. Here we investigated the kinetics of DAMPs, TLRs and MHC class II in a rat model of DILI with thioacetamide (TAA)...
September 2016: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/27501713/therapeutic-targeting-of-hmgb1-in-stroke
#16
Xiaodi Tian, Zhong Wang, Gang Chen
High mobility group box-1 (HMGB1), a highly conserved nonhistone nuclear protein, is widely expressed in most eukaryotic cells including neural cells. Nuclear HMGB1 stabilize nucleosome formation and facilitates gene transcription. HMGB1 can be passively released from necrotic cells or actively secreted from stimulated immune cells. Extracellular HMGB1 interacts with receptors, including the receptor for advanced glycation endproducts (RAGEs), Toll-like receptor 2 (TLR2) and TLR4. After brain injury, HMGB1 is released early from neural cells and contribute to the early stages of the inflammatory response...
August 8, 2016: Current Drug Delivery
https://www.readbyqxmd.com/read/27492120/a-high-mobility-group-box-1-that-binds-to-dna-enhances-pro-inflammatory-activity-and-acts-as-an-anti-infection-molecule-in-black-rockfish-sebastes-schlegelii
#17
Zhao Xin-Peng, Hu Yong-Hua, Liu Yong, Wang Jing-Jing, Wang Guang-Hua, Wang Ren-Jie, Zhang Min
High-mobility group box (HMGB) 1 is a chromosomal protein that plays critical roles in DNA transcription, replication and repair. In addition, HMGB1 functions as a pro-inflammatory molecule in many vertebrates and invertebrates. In teleosts, very limited studies of HMGB1 have been reported. In this study, we identified a HMGB1 homologue (SsHMGB1) from black rockfish (Sebastes schlegelii) and analyzed its structure, expression and biological function. The open reading frame of SsHMGB1 is 621 bp, with a 5'-untranslated region (UTR) of 62 bp and a 3'-UTR of 645 bp...
September 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27488419/every-cloud-has-a-silver-lining-proneurogenic-effects-of-a%C3%AE-oligomers-and-hmgb-1-via-activation-of-the-rage-nf-%C3%AE%C2%BAb-axis
#18
Valeria Bortolotto, Mariagrazia Grilli
Since its initial discovery, current understanding on the functional role of the Receptor for Advanced Glycation End-products (RAGE) in physiology and in pathology has impressively grown, especially in consideration of its large ligand repertoire (AGEs, HMGB-1, β amyloid, S100B/S100A12) and its potential involvement in the pathophysiology of several chronic human disorders. Downstream RAGE engagement by its ligands, NF-κB signaling activation has been demonstrated in several cell phenotypes, including neurons and glia...
August 3, 2016: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/27473010/prophylactic-efficacy-of-enteral-miconazole-administration-for-neonatal-intestinal-perforation-and-its-potential-mechanism
#19
Motofumi Torikai, Satoshi Ibara, Satoshi Ieiri, Takashi Hamada, Hiroyuki Noguchi, Kazunobu Sueyoshi, Takeo Fukuda, Kazuhiro Abeyama
PURPOSE: Intestinal perforation (IP) is a fatal complication in extremely low birth weight infants (ELBWI). We started administrating enteral miconazole (MCZ) to ELBWI in 2002. Since then, the incidence of IP has significantly decreased. The aim of this study was to elucidate the prophylactic effect of MCZ for the treatment of neonatal IP, and to establish a new prophylactic concept for this disease. METHODS: In in vivo experiments, the effects of MCZ were examined histopathologically using a mouse model of intestinal ischemia...
October 2016: Pediatric Surgery International
https://www.readbyqxmd.com/read/27467205/thrombomodulin-attenuates-inflammatory-damage-due-to-liver-ischemia-and-reperfusion-injury-in-mice-in-tlr4-dependent-manner
#20
K Kadono, Y Uchida, H Hirao, T Miyauchi, T Watanabe, S Ueda, A Kanazawa, A Mori, H Okajima, H Terajima, S Uemoto
Liver ischemia-reperfusion injury (IRI) is an important problem in liver transplantation. Thrombomodulin (TM), an effective drug for disseminated intravascular coagulation, is also known to exhibit anti-inflammatory effect through binding to high mobility box-1 protein (HMGB-1) known as a pro-inflammatory mediator. Here we examined the effect of recombinant human TM (rTM) on partial warm hepatic IRI model in WT and toll-like receptor-4 (TLR-4) KO mice focusing on HMGB-1/TLR-4 axis. As in vitro experiments, peritoneal macrophages were stimulated with recombinant HMGB-1 protein...
July 28, 2016: American Journal of Transplantation
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