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https://www.readbyqxmd.com/read/29675023/increased-plasma-levels-of-danger-associated-molecular-patterns-are-associated-with-immune-suppression-and-postoperative-infections-in-patients-undergoing-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy
#1
Guus P Leijte, Hettie Custers, Jelle Gerretsen, Amon Heijne, Johannes Roth, Thomas Vogl, Gert J Scheffer, Peter Pickkers, Matthijs Kox
Introduction: Danger-associated molecular patterns (DAMPs) can elicit immune responses and may subsequently induce an immune-suppressed state. Previous work showed that increased plasma levels of DAMPs are associated with immune suppression and increased susceptibility toward infections in trauma patients. Like trauma, major surgical procedures, such as cytoreductive surgery (CRS) combined with hyperthermic intraperitoneal chemotherapy (HIPEC), are also thought to cause profound DAMP release...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29668774/effect-of-ozone-oxidative-preconditioning-on-inflammation-and-oxidative-stress-injury-in-rat-model-of-renal-transplantation
#2
Zhishun Wang, Qi Han, Yong-Lian Guo, Xiu-Heng Liu, Tao Qiu
PURPOSE: To investigate the effect of ozone oxidative preconditioning (OzoneOP) on inflammation and oxidative stress injury in rat model of renal transplantation. METHODS: Thirty six male Sprague Dawley (SD) rats were randomly divided into three groups. Sham group: rats were treated with opening and closing abdomen. Kidney transplantation group (KT group): SD rat received the donor's left kidney derived from another SD rat. Ozone oxidative preconditioning and kidney transplantation (OOP+KT group): donor SD rats received OzoneOP treatments by transrectal insufflations before kidney transplantation...
March 2018: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29630133/ketamine-alleviates-lps-induced-lung-injury-by-inhibiting-hmgb1-rage-level
#3
Y Zhang, M Zhang, C-Y Wang, A Shen
OBJECTIVE: Inflammatory cytokines secretion is an important reason to promote lung tissue inflammation in acute lung injury (ALI). High mobility group box 1 (HMGB-1) and its receptor for advanced glycation end products (RAGEs) play a role in ALI. Ketamine can significantly alleviate ALI, whereas its specific mechanism has not been fully elucidated. MATERIALS AND METHODS: A total of 60 male Wistar rats were equally randomly divided into three groups, including ALI group which was established by 10 mg/kg LPS femoral vein injection, ketamine group which was constructed by 50 mg/kg ketamine femoral vein injection based on ALI model, and control group...
March 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29611132/modulation-of-diabetes-related-liver-injury-by-the-hmgb1-tlr4-inflammatory-pathway
#4
Sofija Jovanović Stojanov, Vesna Martinović, Desanka Bogojević, Goran Poznanović, Anja Petrović, Svetlana Ivanović-Matić, Ilijana Grigorov
Chronic inflammation plays an essential role in the development of diabetic complications. Understanding the molecular mechanisms that support inflammation is a prerequisite for the design of novel anti-inflammatory therapies. These would take into consideration circulating levels of cytokines and damage-associated molecular patterns (DAMPs) that include the high mobility group box 1 (HMGB1) protein which, in part, promotes the inflammatory response through TLR4 signaling. The liver, as the source of circulating cytokines and acute-phase proteins, contributes to the control of systemic inflammation...
April 2, 2018: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/29595637/high-mobility-group-box-1-was-associated-with-thrombosis-in-patients-with-atrial-fibrillation
#5
Qiwen Xu, Lin Bo, Jiaxin Hu, Jin Geng, Yuhan Chen, Xuelin Li, Fu Chen, Jie Song
INTRODUCTION: High mobility group box 1 (HMGB1) is a member of the HMGB family that is involved in inflammatory disease-related thrombosis. We hypothesize that HMGB1 and its downstream factors are associated with thrombosis in atrial fibrillation (AF). MATERIALS AND METHODS: Our experimental materials were the left atrial appendage (LAA) tissues from patients undergoing valve replacement. The samples were divided into 3 groups: a sinus rhythm group (n = 15), an AF(+)thrombus(-)group (n = 15), and an AF(+) thrombus (+)group (n = 15)...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29588304/inhibitory-mechanisms-of-very-low-dose-rivaroxaban-in-non-st-elevation-myocardial-infarction
#6
Oliver Borst, Patrick Münzer, Nada Alnaggar, Sascha Geue, Roland Tegtmeyer, Dominik Rath, Michal Droppa, Peter Seizer, Stefan Heitmeier, Johan W M Heemskerk, Lisa K Jennings, Robert F Storey, Dominick J Angiolillo, Bianca Rocca, Henri Spronk, Hugo Ten Cate, Meinrad Gawaz, Tobias Geisler
Very low-dose (VLD) factor Xa (FXa) inhibition, in combination with acetylsalicylic acid (ASA) and clopidogrel, is associated with improved outcomes in patients with acute coronary syndrome (ACS) with a tolerable bleeding risk profile. To date, there are no data documenting platelet inhibition and the anticoagulatory effects of VLD FXa inhibition on top of guideline-adherent dual-antiplatelet therapy (DAPT) in patients with ACS. Patients with non-ST-elevation myocardial infarction (NSTEMI) receiving oral DAPT (ASA + clopidogrel, n = 20; or ASA + ticagrelor, n = 20) were prospectively enrolled in a nonrandomized study...
March 27, 2018: Blood Advances
https://www.readbyqxmd.com/read/29559369/assessment-of-hmgb-1-concentration-in-tick-borne-encephalitis-and-neuroborreliosis
#7
Anna Moniuszko-Malinowska, Paweł Penza, Piotr Czupryna, Olga Zajkowska, Sławomir Pancewicz, Renata Świerzbińska, Justyna Dunaj, Joanna Zajkowska
AIM: The aim of the study was to determine HMGB-1 concentration in serum and cerebrospinal fluid (CSF) of patients suffering from tick-borne encephalitis (TBE) and neuroborreliosis (NB). We focused on HMGB-1 measurement in CSF or sera in order to establish whether it could help to differentiate between NB and TBE. METHODS: 80 patients with meningitis and meningoencephalitis were enrolled in the study. Patients were divided into two groups: Group I - patients with NB (n=40) and Group II - patients with TBE (n=40)...
March 17, 2018: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29558743/glycyrrhizin-treatment-facilitates-extinction-of-conditioned-fear-responses-after-a-single-prolonged-stress-exposure-in-rats
#8
Shuhua Lai, Gangwei Wu, Zhixian Jiang
BACKGROUND/AIMS: Impaired fear memory extinction is widely considered a key mechanism of post-traumatic stress disorder (PTSD). Recent studies have suggested that neuroinflammation after a single prolonged stress (SPS) exposure may play a critical role in the impaired fear memory extinction. Studies have shown that high mobility group box chromosomal protein 1 (HMGB-1) is critically involved in neuroinflammation. However, the role of HMGB-1 underlying the development of impairment of fear memory extinction is still not known...
March 16, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29554649/pioglitazone-confers-neuroprotection-against-ischemia-induced-pyroptosis-due-to-its-inhibitory-effects-on-hmgb-1-rage-and-rac1-ros-pathway-by-activating-ppar-%C3%A9
#9
Pingping Xia, Yundan Pan, Fan Zhang, Na Wang, E Wang, Qulian Guo, Zhi Ye
BACKGROUND/AIMS: Recent researches highlighted the protective potential of pioglitazone, a PPAR-γ agonist, in the progression of cerebral ischemia-reperfusion injury. However, there has been no study on the application of pioglitazone in treating ischemic stroke through mechanisms involving pyroptosis. METHODS: The cerebral injury was established by middle cerebral artery occlusion (MCAO). in vitro ischemia in primary cultured astrocytes was induced by the oxygen-glucose deprivation (OGD)...
March 13, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29554045/adenosine-lidocaine-and-mg2-alm-resuscitation-fluid-protects-against-experimental-traumatic-brain-injury
#10
Hayley L Letson, Geoffrey P Dobson
BACKGROUND: Currently no drug therapy prevents secondary injury progression after TBI. Our aim was to investigate the effects of small-volume intravenous adenosine, lidocaine and Mg (ALM) resuscitation fluid after moderate-TBI in a rat fluid-percussion injury model. METHODS: Anesthetized, mechanically-ventilated male Sprague-Dawley rats (449±5g) were randomly assigned to one of four groups: 1) Sham (craniotomy without TBI), 2) No-Treatment, 3) Saline-controls or 4) ALM therapy (all n=16)...
March 16, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29514976/functional-roles-of-the-dna-binding-hmgb-domain-in-the-histone-chaperone-fact-in-nucleosome-reorganization
#11
Laura L McCullough, Zaily Connell, Hua Xin, Vasily M Studitsky, Alexey V Feofanov, Maria E Valieva, Tim Formosa
The essential histone chaperone FAcilitates Chromatin Transcription (FACT) promotes both nucleosome assembly and disassembly. FACT is a heterodimer of Spt16 with either SSRP1 or Pob3, differing primarily by the presence of a high-mobility group B (HMGB) DNA-binding domain furnished only by SSRP1. Yeast FACT lacks the intrinsic HMGB domain found in SSRP1-based homologs such as human FACT, but yeast FACT activity is supported by Nhp6, which is a freestanding, single HMGB domain protein. The importance of histone binding by FACT domains has been established, but the roles of DNA binding activity remain poorly understood...
March 7, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29449612/ixr1-regulates-ribosomal-gene-transcription-and-yeast-response-to-cisplatin
#12
Ángel Vizoso-Vázquez, Mónica Lamas-Maceiras, M Isabel González-Siso, M Esperanza Cerdán
Ixr1 is a Saccharomyces cerevisiae HMGB protein that regulates the hypoxic regulon and also controls the expression of other genes involved in the oxidative stress response or re-adaptation of catabolic and anabolic fluxes when oxygen is limiting. Ixr1 also binds with high affinity to cisplatin-DNA adducts and modulates DNA repair. The influence of Ixr1 on transcription in the absence or presence of cisplatin has been analyzed in this work. Ixr1 regulates other transcriptional factors that respond to nutrient availability or extracellular and intracellular stress stimuli, some controlled by the TOR pathway and PKA signaling...
February 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29438513/the-hmgb-protein-ixr1-interacts-with-ssn8-and-tdh3-involved-in-transcriptional-regulation
#13
Barreiro-Alonso Aida, Lamas-Maceiras Mónica, Cerdán M Esperanza, Ángel Vizoso-Vázquez
Ixr1 is a Saccharomyces cerevisiae transcriptional factor that extensively regulates the response to hypoxia and controls other important cellular functions and DNA repair. During aerobic growth, the Ixr1 repressor function is predominant on regulated promoters of hypoxic genes, although activator effects are also observed on other genes. During hypoxia, Ixr1 expression increases and the number of genes activated by Ixr1 also increase. In this work we demonstrate that the NH2-terminal region of Ixr1 is involved in transcriptional activation...
February 9, 2018: FEMS Yeast Research
https://www.readbyqxmd.com/read/29399172/loss-of-beclin-1-expression-in-ovarian-cancer-a-potential-biomarker-for-predicting-unfavorable-outcomes
#14
Toshiko Minamoto, Kentaro Nakayama, Kohei Nakamura, Hiroshi Katagiri, Razia Sultana, Tomoka Ishibashi, Masako Ishikawa, Hitomi Yamashita, Kaori Sanuki, Kouji Iida, Satoru Nakayama, Yoshiro Otsuki, Noriyuki Ishikawa, Satoru Kyo
The clinicopathological significance and prognostic value of the expression of proteins associated with autophagy, beclin 1 (BECN1), 1A/1B-light chain 3 (LC3) and high mobility group box-1 protein (HMGB-1), were investigated in patients with ovarian carcinoma, receiving combination chemotherapy with a platinum agent and a taxane. Immunohistochemical staining was performed for autophagy-associated proteins in tumor tissues from 141 patients with ovarian carcinoma. Clinical data were collected retrospectively by reviewing medical charts, and the association between protein expression, clinicopathological features and survival was investigated...
January 2018: Oncology Letters
https://www.readbyqxmd.com/read/29395576/reduced-hmgb1-suppresses-poly-i-c-induced-inflammation-in-keratinocytes
#15
Hideki Mori, Masamoto Murakami, Teruko Tsuda, Kenji Kameda, Ryo Utsunomiya, Kana Masuda, Ken Shiraishi, Xiuju Dai, Mikiko Tohyama, Hiroki Nakaoka, Koji Sayama
BACKGROUND: High mobility group box 1 (HMGB1) is a nuclear protein that stabilizes DNA and facilitates gene transcription. Additionally, cell stress or death induces the release of HMGB1 outside the cell membrane, where HMGB1 functions as an alarmin, causing an inflammatory response in combination with other cytokines, damage-associated molecular patterns (DAMPs), and pathogen-associated molecular patterns (PAMPs). OBJECTIVE: To evaluate the effect of reduced-HMGB1 (previously termed chemoattractive-HMGB1) on polyinosine-polycytidylic acid [poly(I:C)]-induced inflammation in normal human keratinocytes (NHKs)...
January 29, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29389558/anti-inflammatory-effect-of-cinnamaldehyde-and-linalool-from-the-leaf-essential-oil-of-cinnamomum-osmophloeum-kanehira-in-endotoxin-induced-mice
#16
Shih-Chieh Lee, Shih-Yun Wang, Chien-Chun Li, Cheng-Tzu Liu
Cinnamomum osmophloeum Kanehira is a Taiwan native plant that belongs to genus Cinnamomum and is also known as pseudocinnamomum or indigenous cinnamon. Its leaf is traditionally used by local people in cooking and as folk therapy. We previously demonstrated the chemical composition and anti-inflammatory effect of leaf essential oil of Cinnamomum osmophloeum Kanehira of linalool chemotype in streptozotocin-induced diabetic rats and on endotoxin-injected mice. The aim of the present study is to evaluate whether cinnamaldehyde and linalool the active anti-inflammatory compounds in leaf essential oil of Cinnamomum osmophloeum Kanehira...
January 2018: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/29370247/broad-adsorption-of-sepsis-related-pamp-and-damp-molecules-mycotoxins-and-cytokines-from-whole-blood-using-cytosorb%C3%A2-sorbent-porous-polymer-beads
#17
Maryann C Gruda, Karl-Gustav Ruggeberg, Pamela O'Sullivan, Tamaz Guliashvili, Andrew R Scheirer, Thomas D Golobish, Vincent J Capponi, Phillip P Chan
OBJECTIVE: Sepsis is defined as life-threatening organ dysfunction caused by a dysregulated host response to infection. In sepsis and septic shock, pathogen-associated molecular pattern molecules (PAMPS), such as bacterial exotoxins, cause direct cellular damage and/or trigger an immune response in the host often leading to excessive cytokine production, a maladaptive systemic inflammatory response syndrome response (SIRS), and tissue damage that releases DAMPs, such as activated complement and HMGB-1, into the bloodstream causing further organ injury...
2018: PloS One
https://www.readbyqxmd.com/read/29324261/platelet-toll-like-receptor-and-its-ligand-hmgb-1-expression-is-increased-in-the-left-atrium-of-atrial-fibrillation-patients
#18
Kadri Murat Gurses, Duygu Kocyigit, Muhammed Ulvi Yalcin, Hande Canpinar, Banu Evranos, Ugur Canpolat, Hikmet Yorgun, Levent Sahiner, Dicle Guc, Kudret Aytemir
BACKGROUND: Atrial fibrillation(AF) is the most common sustained arrhythmia. Its most feared sequelae are stroke and peripheral thromboembolism due to atrial thrombi formation. Mechanisms underlying the relationship between platelet activation and left atrial thrombi have not been clearly elucidated yet. We aimed to investigate whether immune-mediated platelet activation occurred in AF patients in this cross-sectional study. METHODS: Persistent and paroxysmal AF patients who underwent cryoballoon-based AF ablation between March 2015 and July 2016 were included as the patient group...
March 2018: Cytokine
https://www.readbyqxmd.com/read/29260012/time-courses-of-plasma-il-6-and-hmgb-1-reflect-initial-severity-of-clinical-presentation-but-do-not-predict-poor-neurologic-outcome-following-subarachnoid-hemorrhage
#19
Heikki Kiiski, Jaakko Långsjö, Jyrki Tenhunen, Marika Ala-Peijari, Heini Huhtala, Mari Hämäläinen, Eeva Moilanen, Juha Öhman, Jukka Peltola
Objective: Patients with aneurysmal subarachnoid hemorrhage (aSAH) experience high mortality and morbidity. Neuroinflammation causes brain damage expansion after aSAH. Due to the complexity of the inflammatory response multiple biomarkers are needed to evaluate its' progression. We studied inflammatory process after aSAH by measuring two inflammatory biomarkers, interleukin-6 (IL-6) and high-mobility group box 1 (HMGB1) at simultaneous time-points after aSAH. Methods: In this prospective population-based study, IL-6 and HMGB1 were measured in aSAH patients (n = 47) for up to five days...
March 2017: ENeurologicalSci
https://www.readbyqxmd.com/read/29249869/short-term-postoperative-cognitive-dysfunction-and-inflammatory-response-in-patients-undergoing-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy-a-pilot-study
#20
Hui Yu, Rui Dong, Yayuan Lu, Xi Yang, Chang Chen, Zongze Zhang, Mian Peng
Objectives: To assess the association between short-term postoperative cognitive dysfuction (POCD) and inflammtory response in patients undergoing cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). Design: A prospective cohort study. Setting: University medical centre. Participants: Fifty-one adult patients who had undergone CRS-HIPEC and twenty control participants. Measurements: The inflammatory marker levels in plasma and cognitive function were measured...
2017: Mediators of Inflammation
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