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https://www.readbyqxmd.com/read/29201182/the-efficacy-of-gastrodin-in-combination-with-folate-and-vitamin-b12-on-patients-with-epilepsy-after-stroke-and-its-effect-on-hmgb-1-il-2-and-il-6-serum-levels
#1
Hao Zhou, Nuan Wang, Lei Xu, Hongli Huang, Chunyu Yu
This study evaluated the efficacy of gastrodin in combination with folate (FOL) and vitamin-B12 (V-B12) on patients with epilepsy after stroke (EAS) and its effect on high-mobility group protein B1 (HMGB-1), interleukin-1 (IL-1), and IL-6 serum levels. The clinical data of 92 EAS patients admitted for treatment between April, 2014 and March, 2016 were collected. These patients were randomly divided into control and observation groups (n=46 each) using computer software. Patients in the control group were administered only regular antiepileptic drugs, whereas observation group patients also received a combination of gastrodin, FOL and V-B12...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29198620/the-role-of-hmgb1-in-heart-transplantation
#2
REVIEW
Qianying Lv, Chao Li, Yarui Mo, Long He
There has been significant progress in the field of heart transplantation over the last 45 years. Although the role of adaptive immunity in heart allograft rejection has been extensively studied for decades, there is increasing evidence that suggests that the innate immune system also contributes to the development of heart allograft rejection. The high-mobility group box (HMGB) proteins, particularly HMGB1, are self-derived innate immune activators that have multiple functions in the regulation of immunity and inflammation...
November 30, 2017: Immunology Letters
https://www.readbyqxmd.com/read/29197515/fingolimod-anti-inflammatory-and-neuroprotective-effects-modulation-of-rage-axis-in-multiple-sclerosis-patients
#3
Zohara Sternberg, Channa Kolb, Kailash Chadha, Adam Nir, Raphael Nir, Rayan George, Joseph Johnson, Jinhee Yu, David Hojnacki
BACKGROUND: We investigated Fingolimod treatment effects on the RAGE (receptor for advanced glycation endproducts) axis in multiple sclerosis (MS) patients. The primary outcome of the study was whether Fingolimod treatment increases serum levels of the soluble RAGE isoforms, sRAGE and esRAGE - both being considered putative endogenous inhibitors of RAGE signaling. Additional variables were serum levels of RAGE ligands, the high mobility group box (HMGB)1 and pentosidine. METHODS: Serum levels of the study variables were measured by ELISA, and compared between baseline (before Fingolimod treatment) and 6 and 12 months post-drug treatment in 17 relapsing MS patients...
November 29, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29196961/%C3%AE-7-nachr-activation-has-an-opposite-effect-on-healing-of-covered-and-uncovered-wounds
#4
Jiao-Yong Li, Shu-Kun Jiang, Lin-Lin Wang, Meng-Zhou Zhang, Shuai Wang, Zhen-Fei Jiang, Yu-Li Liu, Hao Cheng, Miao Zhang, Rui Zhao, Da-Wei Guan
The α7 nicotinic acetylcholine receptor (α7-nAChR) is associated with inflammation, re-epithelialization, and angiogenesis in wound healing process. A recent study demonstrated that PNU-282987, a selective agonist of α7-nAChR, accelerates the repair of diabetic excisional wounds. Whether α7-nAChR activation promotes non-diabetic wounds healing is unknown. The aim of this study was to evaluate the effects of α7-nAChR activation on non-diabetic wound healing. The effects were evaluated in two wound models...
December 1, 2017: Inflammation
https://www.readbyqxmd.com/read/29194322/direct-peritoneal-resuscitation-reduces-intestinal-permeability-after-brain-death
#5
Jessica L Weaver, Paul J Matheson, Amy Matheson, Brian G Harbrecht, Cynthia D Downard, R Neal Garrison, Jason W Smith
BACKGROUND: The profound inflammatory response associated with brain death is frequently cited as the reason organs procured from brain dead donors are associated with worse graft function. The intestine releases inflammatory mediators in other types of shock, but its role is brain death has not been well-studied. Direct peritoneal resuscitation (DPR) improves visceral organ blood flow and reduces inflammation after hemorrhagic shock. We hypothesized that use of DPR would maintain intestinal integrity and reduce circulating inflammatory mediators after brain death...
December 1, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29152323/new-melanocortin-like-peptide-of-e-coli-can-suppress-inflammation-via-the-mammalian-melanocortin-1-receptor-mc1r-possible-endocrine-like-function-for-microbes-of-the-gut
#6
Xiaoling Qiang, Anthony S Liotta, Joseph Shiloach, J C Gutierrez, Haichao Wang, Mahendar Ochani, Kanta Ochani, Huan Yang, Aviva Rabin, Derek LeRoith, Maxine A Lesniak, Markus Böhm, Christian Maaser, Klaus Kannengiesser, Mark Donowitz, Shervin Rabizadeh, Christopher J Czura, Kevin J Tracey, Mark Westlake, Aida Zarfeshani, Syed F Mehdi, Ann Danoff, Xueliang Ge, Suparna Sanyal, Gary J Schwartz, Jesse Roth
E. coli releases a 33 amino acid peptide melanocortin-like peptide of E. coli (MECO-1) that is identical to the C-terminus of the E. coli elongation factor-G (EF-G) and has interesting similarities to two prominent mammalian melanocortin hormones, alpha-melanocyte-stimulating hormone (alpha-MSH) and adrenocorticotropin (ACTH). Note that MECO-1 lacks HFRW, the common pharmacophore of the known mammalian melanocortin peptides. MECO-1 and the two hormones were equally effective in severely blunting release of cytokines (HMGB1 and TNF) from macrophage-like cells in response to (i) endotoxin (lipopolysaccharide) or (ii) pro-inflammatory cytokine HMGB-1...
2017: NPJ Biofilms and Microbiomes
https://www.readbyqxmd.com/read/29129476/pyroptosis-and-its-relationship-to-atherosclerosis
#7
REVIEW
Yuan-Jun Xu, Lei Zheng, Yan-Wei Hu, Qian Wang
Pyroptosis is a pro-inflammatory form of regulated cell death and is dependent on the enzymatic activity of inflammatory proteases that belong to the family of cysteine-dependent aspartate-specific proteases (caspases). Pyroptosis is morphologically, mechanistically, and pathophysiologically distinct from other forms of cell death, including apoptosis and necrosis. Pyroptosis is characterized by rapid plasma membrane rupture, with the consequent release of intracellular contents and pro-inflammatory mediators, including interleukin (IL)-1β, IL-18, and the alarmin HMGB-1...
November 10, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29115455/dioscin-inhibits-ischemic-stroke%C3%A2-induced-inflammation-through-inhibition-of-the-tlr4-myd88-nf%C3%A2-%C3%AE%C2%BAb-signaling-pathway-in-a-rat-model
#8
Shilin Zhu, Siyuan Tang, Feng Su
Diosgenin, as an essential natural steroidal saponin, can be extracted from numerous sources, primarily from fenugreek. It is an important raw material for the synthesis of steroid hormone drugs. It exhibits antitumor, anti‑inflammatory, antioxidation and several other significant pharmacologic actions, and is of high pharmaceutical value. In the present study, the activities and underlying mechanisms of dioscin in the inhibition of ischemic stroke in rats were investigated. Inflammatory responses wer analyzed using ELISA kits and caspase‑3 and caspase‑9 activity was analyzed using Caspase‑3 and caspase‑9 activity kits...
October 26, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29094325/the-expression-of-matrix-metalloproteinases-and-their-inhibitors-in-corneal-fibroblasts-by-alarmins-from-necrotic-corneal-epithelial-cells
#9
Akira Iwatake, Akira Murakami, Nobuyuki Ebihara
PURPOSE: Sterile ulceration is frequently observed in the cornea following persistent corneal epithelial damage. We examined the effect of alarmins released by necrotic corneal epithelial cells (HCE) on the production of matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) by corneal fibroblasts. METHODS: IL-1α and high-mobility group box 1 protein (HMGB1) released into the supernatant derived from necrotic HCE cells were measured with enzyme-linked immunosorbent assay (ELISA)...
November 1, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29065965/identification-of-specifically-activated-angiogenic-molecules-in-hmgb-1-induced-angiogenesis
#10
Won Kyu Kim, Yujin Kwon, Minhee Park, Seongju Yun, Ja-Young Kwon, Hoguen Kim
High-mobility group box-1 (HMGB-1) is expressed in almost all cells, and its dysregulated expression correlates with inflammatory diseases, ischemia, and cancer. Some of these conditions accompany HMGB-1-mediated abnormal angiogenesis. Thus far, the mechanism of HMGB-1-induced angiogenesis remains largely unknown. In this study, we performed time-dependent DNA microarray analysis of endothelial cells (ECs) after HMGB-1 or VEGF treatment. The pathway analysis of each gene set upregulated by HMGB-1 or VEGF showed that most HMGB-1-induced angiogenic pathways were also activated by VEGF, although the activation time and gene sets belonging to the pathways differed...
October 25, 2017: BMB Reports
https://www.readbyqxmd.com/read/29017437/high-expression-of-high-mobility-group-box-1-in-menstrual-blood-implications-for-endometriosis
#11
Keiko Shimizu, Yasuhiko Kamada, Ai Sakamoto, Miwa Matsuda, Mikiya Nakatsuka, Yuji Hiramatsu
Endometriosis is a benign gynecologic disease characterized by the presence of ectopic endometrium and associated with inflammation and immune abnormalities. However, the molecular basis for endometriosis is not well understood. To address this issue, the present study examined the expression of high-mobility group box (HMGB) 1 in menstrual blood to investigate its role in the ectopic growth of human endometriotic stromal cells (ESCs). A total of 139 patients were enrolled in this study; 84 had endometriosis and 55 were nonendometriotic gynecological patients (control)...
November 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28987932/ethyl-pyruvate-ameliorates-inflammatory-arthritis-in-mice
#12
Seung Min Jung, Jaeseon Lee, Seung Ye Baek, Juhyun Lee, Se Gwang Jang, Seung-Min Hong, Jin-Sil Park, Mi-La Cho, Sung-Hwan Park, Seung-Ki Kwok
OBJECTIVES: Ethyl pyruvate (EP) is the ethyl ester of pyruvate and has antioxidative and anti-inflammatory effects. This study aimed to evaluate the therapeutic effect of EP in inflammatory arthritis and to identify the underlying mechanisms. METHODS: Mice with collagen-induced arthritis (CIA) were treated with the vehicle control or EP at 20mg/kg, and clinical and histological analyses were performed on the animals. The differentiation of murine CD4+ T cells into T helper 17 (Th17) cells in the presence of EP was investigated in vitro...
November 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28966323/porphyromonas-gingivalis-elevated-high-mobility-group-box-1-levels-after-myocardial-infarction-in-mice
#13
Rungtiwa Srisuwantha, Yuka Shiheido, Norio Aoyama, Hiroki Sato, Keitetsu Kure, Narongsak Laosrisin, Yuichi Izumi, Jun-Ichi Suzuki
High mobility group box 1 (HMGB1) is a nuclear protein released from necrotic cells, inducing inflammatory responses. Epidemiological studies suggested a possible association between periodontitis and cardiovascular diseases (CVDs). Due to tissue damage and necrosis of cardiac cells following myocardial infarction (MI), HMGB1 is released, activating an inflammatory reaction. However, it remains unclear whether periodontitis is also involved in myocardial damage. The purpose of this study was to determine the effect of the periodontal pathogen Porphyromonas gingivalis (P...
October 21, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28962177/high-mobility-group-box-1-in-diabetic-nephropathy
#14
Haitao Shi, Yingqi Che, Lin Bai, Jinling Zhang, Jingxu Fan, Huiling Mao
Type 2 diabetes (T2D) is a complex disorder caused by the combined effects of genetic inheritance and environmental factors. The abnormal secretion of albumin via urine is the characteristic feature of a diabetic nephropathy (DN) patient. Moreover, the detection of this observable characteristic feature of DN is quite late. As a result the time, at which DN is observable, large extent of kidney damage has already occurred. Thus, this late observation significantly decreases the chances of efficient management of DN and associated outcomes...
September 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28954070/strong-renal-expression-of-heat-shock-protein-70-high-mobility-group-box-1-inducible-nitric-oxide-synthase-and-nitrotyrosine-in-mice-model-of-severe-malaria
#15
Loeki Enggar Fitri, Ervina Rosmarwati, Yesita Rizky, Niniek Budiarti, Nur Samsu, Karyono Mintaroem
INTRODUCTION: Renal damage is a consequence of severe malaria, and is generally caused by sequestration of Plasmodium falciparum -infected erythrocytes in the renal microcirculation, which leads to obstruction, hypoxia, and ischemia. This triggers high mobility group box 1 (HMGB1) to send a danger signal through toll-like receptors 2 and 4. This signal up-regulates inducible nitric oxide (iNOS) and nitrotyrosine to re-perfuse the tissue, and also increases heat shock protein 70 (HSP70) expression...
July 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28952834/silibinin-effect-on-fas-fasl-hmgb1-and-cd45-expressions-in-a-rat-model-subjected-to-liver-ischemia-reperfusion-injury
#16
Alexandra K Tsaroucha, Georgia Valsami, Nikolaos Kostomitsopoulos, Maria Lambropoulou, Constantinos Anagnostopoulos, Eirini Christodoulou, Evangelos Falidas, Afrodite Betsou, Michael Pitiakoudis, Constantinos E Simopoulos
PURPOSE: We investigated the hepatoprotective effect of Silibinin (SLB) to ischemia-reperfusion (I/R) rat model, by evaluating the histological expression of the tissue markers Fas/FasL, HMGB-1 and CD45, and SLB pharmacokinetics. METHODS: Seventy-three Wistar-type male rats were randomized in 11 groups: Sham control group (open-close laparotomy); four I/R control groups (laparotomy, 45 min vascular occlusion, reperfusion, euthanasia after 60, 120, 180, and 240 min); four SLB (Si) groups (laparotomy, 45 min vascular occlusion, IV administration of SLB, reperfusion, euthanasia after 60, 120, 180, and 240 min); two SLB pharmacokinetics (PK) groups (IV administration of SLB, euthanasia after 45 and 240 min)...
September 27, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28916968/hmgb-proteins-and-arthritis
#17
REVIEW
Noboru Taniguchi, Yasuhiko Kawakami, Ikuro Maruyama, Martin Lotz
The high-mobility group box (HMGB) family includes four members: HMGB1, 2, 3 and 4. HMGB proteins have two functions. In the nucleus, HMGB proteins bind to DNA in a DNA structure-dependent but nucleotide sequence-independent manner to function in chromatin remodeling. Extracellularly, HMGB proteins function as alarmins, which are endogenous molecules released upon tissue damage to activate the immune system. HMGB1 acts as a late mediator of inflammation and contributes to prolonged and sustained systemic inflammation in subjects with rheumatoid arthritis...
September 15, 2017: Human Cell
https://www.readbyqxmd.com/read/28902841/cgas-senses-long-and-hmgb-tfam-bound-u-turn-dna-by-forming-protein-dna-ladders
#18
Liudmila Andreeva, Björn Hiller, Dirk Kostrewa, Charlotte Lässig, Carina C de Oliveira Mann, David Jan Drexler, Andreas Maiser, Moritz Gaidt, Heinrich Leonhardt, Veit Hornung, Karl-Peter Hopfner
Cytosolic DNA arising from intracellular pathogens triggers a powerful innate immune response. It is sensed by cyclic GMP-AMP synthase (cGAS), which elicits the production of type I interferons by generating the second messenger 2'3'-cyclic-GMP-AMP (cGAMP). Endogenous nuclear or mitochondrial DNA can also be sensed by cGAS under certain conditions, resulting in sterile inflammation. The cGAS dimer binds two DNA ligands shorter than 20 base pairs side-by-side, but 20-base-pair DNA fails to activate cGAS in vivo and is a poor activator in vitro...
September 21, 2017: Nature
https://www.readbyqxmd.com/read/28885495/isoglycyrrhizinate-magnesium-enhances-hepatoprotective-effect-of-fk506-on-ischemia-reperfusion-injury-through-hmgb1-inhibition-in-a-rat-model-of-liver-transplantation
#19
Zhang Weichen, Li Feibo, Ye Yufu, Liu Yuanxing, Yu Songfeng, Cen Chao, Chen Xuliang, Zhou Lin, Tang Xiaofeng, Yu Jun, Zheng Shusen
BACKGROUND: Ischemia-reperfusion injury (IRI) after liver transplantation impairs graft function and affects prognosis of recipients. Isoglycyrrhizinate magnesium (Iso) is a hepatoprotective drug usually used after liver injury. In this study, we intended to explore whether Iso alone have protective effect after IRI in a rat model of liver transplantataion. We also aimed to study whether Iso could enhance the hepatoprotective effect of FK506 (tacrolimus) and underlying mechanism. METHODS: Rats after liver transplantation were treated with different concentration of FK506 with or without, Iso or lower-dose FK506 plus Iso...
September 6, 2017: Transplantation
https://www.readbyqxmd.com/read/28885322/is-serum-high-mobility-group-box-1-hmgb-1-level-correlated-with-liver-fibrosis-in-chronic-hepatitis-b
#20
Ahmet Cagkan Inkaya, Nazlim Aktug Demir, Servet Kolgelier, Sua Sumer, Lutfi Saltuk Demir, Onur Ural, Fatma Seher Pehlivan, Mahmure Aslan, Abdullah Arpaci
BACKGROUND: High-mobility group box 1 (HMGB1), identified as an alarmin molecule, was shown to have a role in virus-triggered liver injury. We aimed to evaluate the association between serum levels of HMGB1 and liver fibrosis. METHOD: This cross-sectional case-control study included 189 chronic hepatitis B (CHB) patients and 51 healthy controls. All patients underwent liver biopsy and modified Knodell scoring system used to determine the fibrosis level in CHB patients...
September 2017: Medicine (Baltimore)
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