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high mobility group box-1 protein 1

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https://read.qxmd.com/read/30767669/nrp1-regulates-hmgb1-in-vascular-endothelial-cells-under-high-homocysteine-condition
#1
Yeshuo Ma, Zhen Zhang, Runtai Chen, Rui Shi, Pingyu Zeng, Ruifang Chen, Yiping Leng, Alex F Chen
Endothelial inflammation plays an important role in hyperhomocysteinemia (HHcy)-associated vascular diseases. High mobility group box 1 (HMGB1) is a pro-inflammatory danger molecule produced by endothelial cells. However, whether HMGB1 was involved in vascular endothelial inflammation of HHcy is poorly understood. Neuropilin-1 (NRP1) mediates inflammatory response, and activates mitogen-activated protein kinases (MAPKs) pathway that has been reported to be involved in regulation of HMGB1. The aim of this study was to determine the alteration of HMGB1 in HHcy, and the role of NRP1 in regulation of endothelial HMGB1 under high homocysteine (Hcy) condition...
February 15, 2019: American Journal of Physiology. Heart and Circulatory Physiology
https://read.qxmd.com/read/30763674/high-mobility-group-box-1-mediated-microglial-activation-induces-anxiodepressive-like-behaviors-in-mice-with-neuropathic-pain
#2
Kazue Hisaoka-Nakashima, Yoshiaki Tomimura, Toshiki Yoshii, Kazuto Ohata, Naoki Takada, Fang Fang Zhang, Yoki Nakamura, Keyue Liu, Hidenori Wake, Masahiro Nishibori, Yoshihiro Nakata, Norimitsu Morioka
Clinical evidence indicates that major depression is a common comorbidity of chronic pain, including neuropathic pain. However, the cellular basis for chronic pain-mediated major depression remains unclear. High-mobility group box 1 protein (HMGB1) has a key role in innate immune responses and appears to be have a role in mediating diverse disorders, including neuropathic pain and depression. The current study aimed to characterize neuropathic pain-induced changes in affect over time and to determine whether HMGB1 has a role in neuropathic pain-induced changes in affect...
February 11, 2019: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://read.qxmd.com/read/30755156/significance-of-serum-antibodies-against-hpv-e7-hsp27-hsp20-and-hp91-in-iranian-hpv-exposed-women
#3
Amitis Ramezani, Arezoo Aghakhani, Sepehr Soleymani, Anahita Bavand, Azam Bolhassani
BACKGROUND: Among different types of human papillomavirus (HPV), types 16 and 18 were known to be high-risk agents causing mainly cervical cancer. Up to now, the potential of HPV E7 protein has been proved as a diagnostic marker of cervical cancer. Moreover, the levels of anti-heat shock protein (Hsp) and anti-high mobility group box-1 (HMGB1) antibodies in cancer patients have been useful in tumor diagnosis. The goal of the present study was to determine the efficiency of the potential serologic markers including HPV E7, Hsp20, Hsp27 proteins and Hp91 peptide in Iranian HPV-exposed women, for the first time...
February 12, 2019: BMC Infectious Diseases
https://read.qxmd.com/read/30732500/clinical-prognostic-significance-of-serum-high-mobility-group-box-1-protein-in-patients-with-community-acquired-pneumonia
#4
Huasong Lu, Nengyong Zeng, Quanfang Chen, Yanbin Wu, Shuanqi Cai, Gengshen Li, Fei Li, Jinliang Kong
OBJECTIVE: To investigate the relationship between serum high mobility group box-1 protein (HMGB-1) levels and prognosis in patients with community-acquired pneumonia (CAP). METHODS: This prospective study included 35 patients who attended our hospital from January 2016 to December 2016. Pneumonia severity was defined by pneumonia severity index (PSI). Serum levels of C-reactive protein (CRP), cortisol, and HMGB-1 were analyzed in relation to disease severity and clinical outcome...
February 7, 2019: Journal of International Medical Research
https://read.qxmd.com/read/30732222/association-of-serum-high-mobility-group-box-1-levels-with-disease-activity-and-renal-involvement-in-patients-with-systemic-vasculitis
#5
Bin Zhu, Nanfang Li, Qing Zhu, Ting Wu, Mulalibieke Heizati, Guoliang Wang, Xiaoguang Yao, Qin Luo, Shasha Liu, Shanshan Liu, Jing Hong
High mobility group box 1 (HMGB1) is a kind of proinflammatory mediator that acts as an alarmin when released by dying, injured or activated cells. Previous studies have reported that HMGB1 are closely linked to antineutrophil cytoplasmic antibody-associated vasculitis (AAV). The present study aimed to evaluate whether serum HMGB1 levels were associated with systemic vasculitis (VAs).The study population consisted of 51 patients with VAs, 46 patients with essential hypertension (EH) and 46 healthy controls (HC)...
February 2019: Medicine (Baltimore)
https://read.qxmd.com/read/30720079/expression-and-role-of-tnip2-in-multiple-organ-dysfunction-syndrome-following-severe-trauma
#6
Hui Gong, Xiaomin Sheng, Jianhua Xue, Dongbo Zhu
Severe trauma can result in secondary multiple organ dysfunction syndrome (MODS) and death. Inflammation response and oxidative stress promote the occurrence and development of MODS. TNFAIP3‑interacting protein 2 (TNIP2), which can repress the activation of nuclear factor‑κB (NF‑κB) and may be involved in MODS progression, has not been studied in regards to MODS. The present study aimed to investigate the expression, role and mechanism of TNIP2 in MODS following severe trauma. The expression level of TNIP2 was initially detected in the blood of patients with MODS using reverse transcription‑quantitative polymerase chain reaction and western blot assay...
January 24, 2019: Molecular Medicine Reports
https://read.qxmd.com/read/30704538/upregulation-of-mir-107-expression-following-hyperbaric-oxygen-treatment-suppresses-hmgb1-rage-signaling-in-degenerated-human-nucleus-pulposus-cells
#7
Chi-Chien Niu, Song-Shu Lin, Li-Jen Yuan, Meng-Ling Lu, Steve W N Ueng, Chuen-Yung Yang, Tsung-Ting Tsai, Po-Liang Lai
BACKGROUND: The expression of both high-mobility group box 1 (HMGB1) and receptor for advanced glycation end-products (RAGE) is upregulated in degenerated discs. HMGB1 is known to function as a coupling factor between hypoxia and inflammation in arthritis, and this inflammatory response is modulated by microRNAs (miRNAs), with miR-107 expression downregulated during hypoxia. In this study, we investigated the regulation of the miR-107/HMGB1/RAGE pathway in degenerated nucleus pulposus cells (NPCs) after hyperbaric oxygen (HBO) treatment...
January 31, 2019: Arthritis Research & Therapy
https://read.qxmd.com/read/30675709/dexmedetomidine-preconditioning-protects-cardiomyocytes-against-hypoxia-reoxygenation-induced-necroptosis-by-inhibiting-hmgb1-mediated-inflammation
#8
Jingyi Chen, Zhenzhen Jiang, Xing Zhou, Xingxing Sun, Jianwei Cao, Yongpan Liu, Xianyu Wang
Myocardial ischemia/reperfusion (I/R) injury is a serious threat to the health of people around the world. Recent evidence has indicated that high-mobility group box-1 (HMGB1) is involved in I/R-induced inflammation, and inflammation can cause necroptosis of cells. Interestingly, dexmedetomidine (DEX) has anti-inflammatory properties. Therefore, we speculated that DEX preconditioning may suppress H/R-induced necroptosis by inhibiting expression of HMGB1 in cardiomyocytes. We found that hypoxia/reoxygenation (H/R) significantly increased cellular damage, as measured by cell viability (100 ± 3...
January 24, 2019: Cardiovascular Drugs and Therapy
https://read.qxmd.com/read/30666488/aucubin-alleviates-seizures-activity-in-li-pilocarpine-induced-epileptic-mice-involvement-of-inhibition-of-neuroinflammation-and-regulation-of-neurotransmission
#9
Siyu Chen, Xiangchang Zeng, Wenjing Zong, Xintong Wang, Lulu Chen, Luping Zhou, Chaopeng Li, Qi Huang, Xinyi Huang, Guirong Zeng, Kai Hu, Dong-Sheng Ouyang
Neuroinflammation and imbalance of neurotransmitters play pivotal roles in seizures and epileptogenesis. Aucubin (AU) is an iridoid glycoside derived from Eucommia ulmoides that possesses anti-inflammatory and neuroprotective effects. However, the anti-seizure effects of AU have not been reported so far. The present study was designed to investigate the effects of AU on pilocarpine (PILO) induced seizures and its role in the regulation of neuroinflammation and neurotransmission. We found that AU reduced seizure intensity and prolonged the latency of seizures...
January 21, 2019: Neurochemical Research
https://read.qxmd.com/read/30658681/mir-190-enhances-endocrine-therapy-sensitivity-by-regulating-sox9-expression-in-breast-cancer
#10
Yue Yu, Wen Yin, Zhi-Hao Yu, Yan-Jun Zhou, Jiang-Rui Chi, Jie Ge, Xu-Chen Cao
BACKGROUND: Breast cancer is the most common cancer among women worldwide, and approximately 70% of breast cancers are hormone receptor-positive and express estrogen receptor-α (ERα) or/and progesterone receptor. Therapies targeting ERα have been successfully used in patients with ERα+ breast cancer. However, intrinsic or acquired resistance to anti-estrogen therapy presents a major challenge. The Wnt/β-catenin signaling pathway regulates various processes that are important for cancer progression, and emerging evidences have shown a close interaction between Wnt/β-catenin and ERα signaling...
January 18, 2019: Journal of Experimental & Clinical Cancer Research: CR
https://read.qxmd.com/read/30658416/anti-depressive-effectiveness-of-baicalin-in-vitro-and-in-vivo
#11
Li Liu, Yu Dong, Xin Shan, Lin Li, Baomei Xia, Hanqing Wang
Baicalin (BA), a major polyphenol compound isolated from the extracts of Scutellaria radix , has been previously reported to ameliorate depressive-like behaviors in mice with chronic unpredictable mild stress (CUMS). However, its underlying antidepressant mechanisms remain unclear. This study was designed to confirm the antidepressant-like effects of BA on CUMS induced behavioral abnormalities in mice, and sought to explore the pharmacological mechanisms in vivo and in vitro. The CUMS procedure was carried out to induce depression in mice...
January 17, 2019: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/30653121/increased-hmgb1-expression-correlates-with-higher-expression-of-c-iap2-and-perk-in-colorectal-cancer
#12
Wenjia Zhang, Fangmei An, Min Xia, Qiang Zhan, Wenying Tian, Yang Jiao
The aim of this study was to investigate the relationship between high-mobility group box 1 (HMGB1) and colorectal cancer (CRC).In this prospective study, patients with CRC undergoing primary surgery and healthy subjects (control group) were enrolled from July 2013 to December 2014. The serum HMGB1 concentration and HMGB1 mRNA expression were determined using enzyme-linked immunosorbent assay reverse transcription-polymerase chain reaction, respectively. Immunohistochemical analysis was performed to determine HMGB1, pERK, and c-inhibitor of apoptosis protein 2 (c-IAP2) protein expression levels in the cancer tissues...
January 2019: Medicine (Baltimore)
https://read.qxmd.com/read/30651760/the-hmgb1-rage-tlr-tnf-%C3%AE-signaling-pathway-may-contribute-to-kidney-injury-induced-by-hypoxia
#13
Cheng Zhang, Hui Dong, Fengwei Chen, Yunxia Wang, Jing Ma, Guangfa Wang
The hypoxia-reoxygenation process of obstructive sleep apnea (OSA) may cause oxidative stress injury of the kidney, but the molecular mechanisms are not clear. The present study aimed to investigate whether high mobility group box 1 protein (HMGB1) and its subsequent inflammatory pathway served a role in kidney injury. Adult Sprague Dawley rats were used to establish hypoxia models: Continuous hypoxia, intermittent hypoxia and intermittent hypoxia with hypercapnia. Rat kidney tissues and peripheral blood samples were obtained...
January 2019: Experimental and Therapeutic Medicine
https://read.qxmd.com/read/30650406/glycyrrhizin-a-high-mobility-group-box-1-inhibitor-improves-lipid-metabolism-and-suppresses-vascular-inflammation-in-apolipoprotein-e-knockout-mice
#14
Jia-Wang Ding, Cai-Yun Luo, Xin-An Wang, Tian Zhou, Xia-Xia Zheng, Zai-Qiang Zhang, Bin Yu, Jing Zhang, Xiao-Hong Tong
BACKGROUND: High-mobility group box protein 1 (HMGB1) is known to have proinflammatory properties; however, the mechanisms by which HMGB1 influences immune responses during atherosclerosis (AS) development are not well understood. Thus, this study investigated the relationship between HMGB1 and vascular inflammation in Apoe-/- mice and whether glycyrrhizin (GLY), a small inhibitor of HMGB1, could have atheroprotective effects in AS. METHODS: Apoe-/- mice on a high-fat diet were treated with GLY (50 mg/kg) or vehicle by gavage once daily for 12 weeks, respectively...
January 16, 2019: Journal of Vascular Research
https://read.qxmd.com/read/30647411/regulation-of-hmgb1-release-protects-chemoradiotherapy-associated-mucositis
#15
Keon-Il Im, Young-Sun Nam, Nayoun Kim, Yunejin Song, Eun-Sol Lee, Jung-Yeon Lim, Young-Woo Jeon, Seok-Goo Cho
Oral mucositis (OM) is a common complication in cancer patients undergoing anticancer treatment. Despite the clinical and economic consequences of OM, there are no drugs available for its fundamental control. Here we show that high-mobility group box 1 (HMGB1), a "danger signal" that acts as a potent innate immune mediator, plays a critical role in the pathogenesis of OM. In addition, we investigated treatment of OM through HMGB1 blockade using NecroX-7 (tetrahydropyran-4-yl)-[2-phenyl-5-(1,1-dioxo-thiomorpholin-4-yl)methyl-1Hindole-7-yl]amine)...
January 15, 2019: Mucosal Immunology
https://read.qxmd.com/read/30645707/autophagy-activation-improves-lung-injury-and-inflammation-in-sepsis
#16
Hongying Zhao, Hongguang Chen, Meng Xiaoyin, Guotao Yang, Ying Hu, Keliang Xie, Yonghao Yu
Acute lung injury/acute respiratory distress syndrome (ALI/ARDS) undergoes the process of pathological event including lung tissue dysfunction, pulmonary edema, and inflammation in sepsis. Autophagy is a cytoprotective process recognized as one of the major pathways for degradation and recycling of cellular constituents. Autophagy as a protective or maladaptive response was still confused in ALI during sepsis. Acute lung injury was performed by cecal ligation and puncture (CLP). Autophagic inducer rapacymin and inhibitor 3-MA and autophagosomal-lysosome fusion inhibitor bafilomucin (Baf) A1 and chloroquine (CQ) were administrated by intraperitoneal injection at 1 h after CLP operation...
January 15, 2019: Inflammation
https://read.qxmd.com/read/30644560/high-mobility-group-box-1-hmgb1-as-a-novel-frontier-in-epileptogenesis-from-pathogenesis-to-therapeutic-approaches
#17
REVIEW
Yam Nath Paudel, Bridgette D Semple, Nigel C Jones, Iekhsan Othman, Mohd Farooq Shaikh
Epilepsy is a serious neurological condition exhibiting complex pathology and deserving of more serious attention. More than 30% of people with epilepsy are not responsive to the more than 20 anti-epileptic drugs (AEDs) currently available, reflecting an unmet clinical need for novel therapeutic strategies. Not much is known about the pathogenesis of epilepsy, but evidence indicates that neuroinflammation might contribute to the onset and progression of epilepsy following acquired brain insults. However, the molecular mechanisms underlying these pathophysiological processes are yet to be fully understood...
January 15, 2019: Journal of Neurochemistry
https://read.qxmd.com/read/30643434/the-progression-of-hmgb1-induced-autophagy-in-cancer-biology
#18
REVIEW
Tianwei Xu, Lihua Jiang, Zhaoxia Wang
Autophagy is an important process of cellular degradation and has been proven to contribute to tumorigenesis. High-mobility group box 1 (HMGB1) is an abundant nonhistone protein that has been widely reported to play a central role in the induction of autophagy. In nucleus, HMGB1 upregulates the expression of HSP27 to induce autophagy. In cytoplasm, the Beclin-1/PI3K-III complex can be activated by HMGB1 to promote autophagy. Extracellular HMGB1 binds to the receptor for advanced glycation end products to induce autophagy...
2019: OncoTargets and Therapy
https://read.qxmd.com/read/30642905/induction-of-inflammatory-responses-in-splenocytes-by-exosomes-released-from-intestinal-epithelial-cells-following-cryptosporidium-parvum-infection
#19
Yang Wang, Yujuan Shen, Hua Liu, Jianhai Yin, Xin-Tian Zhang, Ai-Yu Gong, Xiqiang Chen, Siyi Chen, Nicholas W Mathy, Jianping Cao, Xian-Ming Chen
Cryptosporidium , a protozoan parasite that infects the gastrointestinal epithelium and other mucosal surfaces in humans and animals, is an important opportunistic pathogen in AIDS patients and one of the most common enteric pathogens affecting young children in developing regions. This parasite is referred to as a "minimally invasive" mucosal pathogen and epithelial cells play a central role in activating and orchestrating host immune responses. We previously demonstrated that C. parvum infection stimulates host epithelial cells to release exosomes and these released exosomes shuttle several antimicrobial peptides to carry out anti- C...
January 14, 2019: Infection and Immunity
https://read.qxmd.com/read/30630344/suppressive-effects-of-ginsenoside-rh1-on-hmgb1-mediated-septic-responses
#20
Wonhwa Lee, Soo-Hyun Cho, Ji-Eun Kim, Changhun Lee, Jee-Hyun Lee, Moon-Chang Baek, Gyu-Yong Song, Jong-Sup Bae
High mobility group box 1 (HMGB1) is considered as a late mediator of sepsis and the inhibition of HMGB1-mediated severe inflammatory responses, and restoration of endothelial integrity have emerged as attractive therapeutic strategies for the management of sepsis. Ginsenoside Rh1, a protopanaxatriol type ginsenoside, is one of the major bioactive components of Korean red ginseng, which has been increasingly used for enhancing cognition and physical health worldwide. Ginsenoside Rh1 exhibits potent biological activities such as antistress, anti-oxidant, anti-inflammatory and immunomodulatory effects...
January 10, 2019: American Journal of Chinese Medicine
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