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https://www.readbyqxmd.com/read/28645823/recombinant-human-soluble-thrombomodulin-prevents-acute-lung-injury-in-a-rat-cardiopulmonary-bypass-model
#1
Shingo Hirao, Kenji Minakata, Hidetoshi Masumoto, Kazuhiro Yamazaki, Tadashi Ikeda, Kenji Minatoya, Ryuzo Sakata
BACKGROUND: Cardiopulmonary bypass (CPB) may induce systemic inflammatory responses causing acute lung injury. Recombinant human soluble thrombomodulin (rTM) is reported to attenuate the secretion of inflammatory cytokines and the high-mobility group box 1 (HMGB1) protein, which is critical in controlling systemic inflammation and apoptosis. We investigated the protective effects of rTM on CPB-induced lung injury in a rat model. METHODS: Eighteen male Sprague-Dawley rats were divided into 3 groups: sham, control (CPB alone), and rTM (CPB + rTM)...
May 30, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28645655/5-lipoxygenase-in-monocytes-emerges-as-a-therapeutic-target-for-intimal-hyperplasia-in-a-murine-wire-injured-femoral-artery
#2
Seung Eun Baek, Min A Jang, Seung Jin Lee, So Youn Park, Sun Sik Bae, Chi Dae Kim
Given the importance of leukotrienes in vascular inflammation induced by local tissue injury, this study investigated the role for 5-lipoxygenase (5-LO) in monocytes in the development of intimal hyperplasia. As a mechanistic study, the importance of monocyte 5-LO in monocyte-macrophage differentiation with subsequent infiltration in neointima was evaluated. In a mouse model of wire-injured femoral artery, intimal hyperplasia started as early as 2 wks after injury, and luminal area and blood flow were reduced due to increased neointima formation...
June 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28645523/elevated-serum-high-mobility-group-box-1-protein-level-is-associated-with-poor-functional-outcome-in-ischemic-stroke
#3
Toshiyuki Tsukagawa, Ryu Katsumata, Mitsugu Fujita, Keizo Yasui, Cassim Akhoon, Kenjiro Ono, Kenji Dohi, Toru Aruga
BACKGROUND: In experimental models, inhibition of high-mobility group box-1 (HMGB1) signaling has been reported to protect against the sequelae of ischemic stroke. Here, we determined the clinical significance of serum HMGB1 levels in patients with acute ischemic stroke. METHODS: We enrolled 183 patients (114 men, 69 women; mean age: 72.7 years) over 6 consecutive months. On admission and day 7, we recorded the National Institutes of Health Stroke Scale scores and measured serum high-sensitivity C-reactive protein (hs-CRP) and HMGB1 levels...
June 20, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28645008/effect-of-microrna-129-5p-targeting-hmgb1-rage-signaling-pathway-on-revascularization-in-a-collagenase-induced-intracerebral-hemorrhage-rat-model
#4
Xin-Long Ma, Shu-Ya Li, Feng Shang
BACKGROUND: This study aimed at exploring the effect of microRNA-129-5p (miR-129-5p) targeting high mobility group box-1 (HMGB1)-receptor for advanced glycation end-products (RAGE) signaling pathway on the revascularization in a collagenase-induced intracerebral hemorrhage (ICH) rat model. METHODS: OX26-pGFAP-IL, an immunoliposome expressing miR-129-5p was constructed. The collagenase-induced ICH rat models were successfully established by 96 Sprague Dawley (SD) rats, which were categorized into the sham group, ICH group, miR-129-5p group, negative control (NC) group, ethyl pyruvate (EP, an inhibitor of HMGB1) group and N-benzyl-4-chloro-N-cyclohe-xylbenzamide (FPS-ZM1, a RAGE receptor antagonist) group...
June 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28642840/cytolethal-distending-toxin-enhances-radiosensitivity-in-prostate-cancer-cells-by-regulating-autophagy
#5
Hwai-Jeng Lin, Hsin-Ho Liu, Chia-Der Lin, Min-Chuan Kao, Yu-An Chen, Chuan Chiang-Ni, Zhi-Pei Jiang, Mei-Zi Huang, Chun-Jung Lin, U-Ging Lo, Li-Chiung Lin, Cheng-Kuo Lai, Ho Lin, Jer-Tsong Hsieh, Cheng-Hsun Chiu, Chih-Ho Lai
Cytolethal distending toxin (CDT) produced by Campylobacter jejuni contains three subunits: CdtA, CdtB, and CdtC. Among these three toxin subunits, CdtB is the toxic moiety of CDT with DNase I activity, resulting in DNA double-strand breaks (DSB) and, consequently, cell cycle arrest at the G2/M stage and apoptosis. Radiation therapy is an effective modality for the treatment of localized prostate cancer (PCa). However, patients often develop radioresistance. Owing to its particular biochemical properties, we previously employed CdtB as a therapeutic agent for sensitizing radioresistant PCa cells to ionizing radiation (IR)...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28641285/role-of-glycyrrhizin-in-the-reduction-of-inflammation-in-diabetic-kidney-disease
#6
Vikram Thakur, Syeda Nargis, Mayra Gonzalez, Swetak Pradhan, Daniel Terreros, Munmun Chattopadhyay
BACKGROUND: Diabetic kidney disease (DKD) is one of the most debilitating complications of type 2 diabetes. Recent evidence suggests chronic inflammation to be one of the causal factors of DKD. The mechanisms entailed are not completely elucidated except that a variety of cytokines play a major role in this process. High mobility group box 1 (HMGB1) is a pro-inflammatory toll-like receptor-4 (TLR4)-binding cytokine that is involved in inflammation-associated gene expression. This investigation was designed to assess the involvement of HMGB1, TLR-4, and nuclear factor (NF)-κB in the development of DKD and to evaluate that whether blocking HMGB1 by its natural inhibitor Glycyrrhizin (GLC) can reduce the progression of the disease...
June 23, 2017: Nephron
https://www.readbyqxmd.com/read/28639050/paeoniflorin-suppressed-high-glucose-induced-retinal-microglia-mmp-9-expression-and-inflammatory-response-via-inhibition-of-tlr4-nf-%C3%AE%C2%BAb-pathway-through-upregulation-of-socs3-in-diabetic-retinopathy
#7
Su-Hua Zhu, Bing-Qian Liu, Mao-Juan Hao, Yi-Xin Fan, Cheng Qian, Peng Teng, Xiao-Wei Zhou, Liang Hu, Wen-Tao Liu, Zhi-Lan Yuan, Qing-Ping Li
Diabetic retinopathy (DR) is a serious-threatening complication of diabetes and urgently needed to be treated. Evidence has accumulated indicating that microglia inflammation within the retina plays a critical role in DR. Microglial matrix metalloproteinase 9 (MMP-9) has an important role in the destruction of the integrity of the blood-retinal barrier (BRB) associated with the development of DR. MMP-9 was also considered important for regulating inflammatory responses. Paeoniflorin, a monoterpene glucoside, has a potent immunomodulatory effect on microglia...
June 21, 2017: Inflammation
https://www.readbyqxmd.com/read/28638734/severe-but-not-mild-heat-shock-treatment-induces-immunogenic-cell-death-in-cancer-cells
#8
Irena Adkins, Lenka Sadilkova, Nada Hradilova, Jakub Tomala, Marek Kovar, Radek Spisek
The mechanisms of immunogenicity underlying mild heat-shock (mHS) treatment < 42°C of tumor cells are largely attributed to the action of heat-shock proteins; however, little is known about the immunogenicity of tumor cells undergoing severe cytotoxic heat-shock treatment (sHS > 43°C). Here, we found that sHS, but not mHS (42°C), induces immunogenic cell death in human cancer cell lines as defined by the induction of ER stress response and ROS generation, cell surface exposure of calreticulin, HSP70 and HSP90, decrease of cell surface CD47, release of ATP and HMGB1...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28638724/calcium-electroporation-induces-tumor-eradication-long-lasting-immunity-and-cytokine-responses-in-the-ct26-colon-cancer-mouse-model
#9
Hanne Falk, Patrick F Forde, Marie Lund Bay, Uma Maheswari Mangalanathan, Pernille Hojman, Declan M Soden, Julie Gehl
Electroporation is used in cancer treatment because of its ability to increase local cytotoxicity of e.g. bleomycin (electrochemotherapy) and calcium (calcium electroporation). Calcium electroporation is a novel anticancer treatment that selectively kills cancer cells by necrosis, a cell death pathway that stimulates the immune system due to high release of antigens and "danger signals." In this exploratory study, we aimed to investigate whether calcium electroporation could initiate an anticancer immune response similar to electrochemotherapy...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28636997/an-optimized-hmgb1-expressed-by-recombinant-rabies-virus-enhances-immunogenicity-through-activation-of-dendritic-cells-in-mice
#10
Zhao Wang, Qian Liang, Yajing Zhang, Jie Yang, Mingming Li, Kunlun Wang, Min Cui, Huanchun Chen, Zhen F Fu, Ling Zhao, Ming Zhou
Rabies remains an important public health threat, killing approximately 59,000 people worldwide annually, most of which are from the developing countries of Africa and Asia where dog rabies are endemic. Therefore, developing an affordable and efficacious vaccine for dog-mediated rabies control is needful in these countries. Our previous studies indicated that over-expression of granulocyte-macrophage colony stimulating factor (GM-CSF) or macrophage inflammatory protein-1 (MIP-1α or CCL3) by recombinant rabies virus (rRABV) could enhance the immunogenicity by activating dendritic cells (DCs)...
June 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28630596/association-between-hmgb1-and-asthma-a-literature-review
#11
REVIEW
Egidio Imbalzano, Sebastiano Quartuccio, Eleonora Di Salvo, Teresa Crea, Marco Casciaro, Sebastiano Gangemi
BACKGROUND: Recently, some studies demonstrated that HMGB1, as proinflammatory mediator belonging to the alarmin family, has a key role in different acute and chronic immune disorders. Asthma is a complex disease characterised by recurrent and reversible airflow obstruction associated to airway hyper-responsiveness and airway inflammation. OBJECTIVE: This literature review aims to analyse advances on HMGB1 role, employment and potential diagnostic application in asthma...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/28628607/host-gene-expression-analysis-in-sri-lankan-melioidosis-patients
#12
Shivankari Krishnananthasivam, Nimanthi Jayathilaka, Harindra Darshana Sathkumara, Enoka Corea, Mohan Natesan, Aruna Dharshan De Silva
BACKGROUND: Melioidosis is a life threatening infectious disease caused by the gram-negative bacillus Burkholderia pseudomallei predominantly found in southeast Asia and northern Australia. Studying the host transcription profiles in response to infection is crucial for understanding disease pathogenesis and correlates of disease severity, which may help improve therapeutic intervention and survival. The aim of this study was to analyze gene expression levels of human host factors in melioidosis patients and establish useful correlation with disease biomarkers, compared to healthy individuals and patients with sepsis caused by other pathogens...
June 19, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28627626/hmgb1-regulates-p-glycoprotein-expression-in-status-epilepticus-rat-brains-via-the-rage-nf-%C3%AE%C2%BAb-signaling-pathway
#13
Yuan Xie, Nian Yu, Yan Chen, Kang Zhang, Hai-Yan Ma, Qing Di
Overexpression of P-glycoprotein (P-gp) in the brain is an important mechanism involved in drug‑resistant epilepsy (DRE). High-mobility group box 1 (HMGB1), an inflammatory cytokine, significantly increases following seizures and may be involved in upregulation of P‑gp. However, the underlying mechanisms remain elusive. The aim of the present study was to evaluate the role of HMGB1 and its downstream signaling components, receptor for advanced glycation end‑product (RAGE) and nuclear factor‑κB (NF‑κB), on P‑gp expression in rat brains during status epilepticus (SE)...
June 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28619625/hmgb1-an-innate-alarmin-plays-a-critical-role-in-chronic-inflammation-of-adipose-tissue-in-obesity
#14
REVIEW
Jing Zhang, Lei Zhang, Shu Zhang, Qilin Yu, Xiong Fei, Kun Huang, Cong-Yi Wang, Ping Yang
Obesity has emerged as an imminent global public health concern over the past several decades. It has now become evident that obesity is characterized by the persistent and low-grade inflammation in the adipose tissue, and serves as an independent risk factor for many metabolic disorders such as diabetes and cardiovascular disease. Particularly, adipocytes originated from obese mice and humans likely predominate necrosis upon stressful insults, leading to passive release of cellular contents including the high mobility group box 1 (HMGB1) into the extracellular milieu...
June 12, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28618656/role-of-growth-factor-receptor-bound-2-in-ccl4-induced-hepatic-fibrosis
#15
Shanfei Ge, Ying Xiong, Xiaoping Wu, Jianping Xie, Fei Liu, Jinni He, Tianxing Xiang, Na Cheng, Lingling Lai, Yuanbin Zhong
BACKGROUND: Growth Factor Receptor-bound 2 (GRB2) plays a crucial role in regulation of cellular function including proliferation and differentiation, and we previously identified GRB2 as promoting HSCs (HSCs) proliferation. However, the underlying mechanisms that are involving in the regulation of GRB2 in hepatic fibrogenesis remain unknown. METHODS: In the present study, we tested the function of GRB2 in hepatic fibrosis. Hepatic fibrosis was induced by subcutaneous CCl4 administration at a dose of 3mL/kg in rats...
June 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28618057/the-role-of-serum-high-mobility-group-box-1-and-interleukin-6-levels-in-acute-pancreatitis-a-meta-analysis
#16
Nuo Li, Bao-Ming Wang, Shuang Cai, Peng-Liang Liu, Yan-Hui Wen
The purpose of this meta-analysis was to comprehensively investigate the correlation between high mobility group box 1 (HMGB1) and interleukin-6 (IL-6) in relation to acute pancreatitis. A highly regulated exploration of various electronic databases, supplemented by manual searching methods, was performed in an attempt to identify pertinent articles of a useful nature. Subsequently, high-quality cohort studies that were deemed to comply with the arduous inclusion and exclusion criteria were selected for our meta-analysis...
June 15, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28616913/-the-effect-of-exogenous-recombinant-hmgb1-on-neural-stem-cells-and-related-mechanism
#17
Hui-Min Zhang, Bo Wu, Tian Cao, Yu-Ying Yan, Ming Liu
OBJECTIVES: To explore the effect of exogenous recombinant high mobility group protein box1 (rHMGB1) on proliferation and differentiation of neural stem cells (NSCs) and the related mechanism. METHODS: SD rat cerebral cortex cells were cultured in serum-free medium, extending the culture and purification of neural stem cells. NSCs were identified by detecting nestin-label with immunofluorescence method.The NSCs proliferation activity after adding different concentrations of rHMGB1 was determined by CCK-8 assay and the optimal concentration of rHMGB1 for the follow-up experiments was selected...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28616398/new-photodynamic-therapy-with-next-generation-photosensitizers
#18
REVIEW
Hiromi Kataoka, Hirotada Nishie, Noriyuki Hayashi, Mamoru Tanaka, Akihiro Nomoto, Shigenobu Yano, Takashi Joh
Photodynamic therapy (PDT) is a non-invasive antitumor treatment that uses the combination of a photosensitizer, tissue oxygen, and visible light irradiation to produce cytotoxic reactive oxygen species, predominantly singlet oxygen. Currently, first-generation PDT using porfimer sodium with an excimer dye laser, and second-generation PDT using talaporfin sodium PDT with a semiconductor laser are approved by health insurance for use in Japan. However, the cancer cell specificity and selectivity of these treatments are inadequate...
April 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28614141/role-of-hemorrhagic-shock-in-experimental-polytrauma
#19
Stephanie Denk, Sebastian Weckbach, Philipp Eisele, Christian K Braun, Rebecca Wiegner, Julia J Ohmann, Lisa Wrba, Felix M Hoenes, Philipp Kellermann, Peter Radermacher, Ulrich Wachter, Sebastian Hafner, Oscar McCook, Anke Schultze, Annette Palmer, Sonja Braumüller, Florian Gebhard, Markus Huber-Lang
Hemorrhagic shock (HS) after tissue trauma increases the complication and mortality rate of polytrauma (PT) patients. Although several murine trauma models have been introduced, there is a lack of knowledge about the exact impact of an additional HS. We hypothesized that HS significantly contributes to organ injury, which can be reliably monitored by detection of specific organ damage markers.Therefore we established a novel clinically relevant PT plus HS model in C57BL/6 mice which were randomly assigned to control, HS, PT or PT+HS procedure (n = 8 per group)...
June 13, 2017: Shock
https://www.readbyqxmd.com/read/28612260/utility-of-spherical-human-liver-microtissues-for-prediction-of-clinical-drug-induced-liver-injury
#20
William R Proctor, Alison J Foster, Jennifer Vogt, Claire Summers, Brian Middleton, Mark A Pilling, Daniel Shienson, Monika Kijanska, Simon Ströbel, Jens M Kelm, Paul Morgan, Simon Messner, Dominic Williams
Drug-induced liver injury (DILI) continues to be a major source of clinical attrition, precautionary warnings, and post-market withdrawal of drugs. Accordingly, there is a need for more predictive tools to assess hepatotoxicity risk in drug discovery. Three-dimensional (3D) spheroid hepatic cultures have emerged as promising tools to assess mechanisms of hepatotoxicity, as they demonstrate enhanced liver phenotype, metabolic activity, and stability in culture not attainable with conventional two-dimensional hepatic models...
June 13, 2017: Archives of Toxicology
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