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https://www.readbyqxmd.com/read/29905889/thioredoxin-interacting-protein-mediates-mitochondrion-dependent-apoptosis-in-early-brain-injury-after-subarachnoid-hemorrhage
#1
Yidan Liang, Xudong Che, Qing Zhao, Rami Darwazeh, Hongxia Zhang, Dengzhi Jiang, Jun Zhao, Xiang Xiang, Wang Qin, Liu Liu, Zhaohui He
Early brain injury (EBI) was reported to be the primary cause of high mortality and poor outcomes in subarachnoid hemorrhage (SAH) patients, and apoptosis is regarded as the most important physiopathologic mechanism during EBI. Recently, our team found that thioredoxin-interacting protein (TXNIP) links endoplasmic reticulum stress (ER stress) to neuronal apoptosis and aggravates EBI. However, the other underlying mechanisms remain unknown. Mitochondria are considered to be the central points in integrating apoptotic cell death...
June 15, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29894818/glucocorticoid-upregulates-thioredoxin-interacting-protein-in-cultured-neuronal-cells
#2
Veni Bharti, Hua Tan, Desiree Chow, Yiran Wang, Pandian Nagakannan, Eftekhar Eftekharpour, Jun-Feng Wang
Previous studies have shown that chronic stress and chronic stress hormone treatment induce oxidative damage in rodents. Thioredoxin (Trx) is a small redox protein that plays an important role in regulation of oxidative protein cysteine modification. A Trx reduced state is maintained by thioredoxin reductase (TrxR), and the thioredoxin-interacting protein (Txnip) is an endogenous inhibitor of Trx. The purpose of this study was to investigate the effects of chronic treatment with stress hormone corticosterone on Trx, TrxR and Txnip in cultured neuronal cells...
June 9, 2018: Neuroscience
https://www.readbyqxmd.com/read/29890544/increased-oga-expression-and-activity-in-leukocytes-from-patients-with-diabetes-correlation-with-inflammation-markers
#3
Patrick Pagesy, Caroline Tachet, Ali Mostefa-Kara, Etienne Larger, Tarik Issad
O-linked-β-N-Acetylglucosaminylation (O-GlcNAcylation), a reversible post-translational modification involved in diabetic complications, is regulated by only two enzymes, O-linked N-acetylglucosamine transferase (OGT) and β-N-Acetylglucosaminidase (OGA). Increased OGA expression has been described previously in blood cells from patients with diabetes and was interpreted as an adaptative response to hyperglycemia-induced O-GlcNAcylation. OGA expression was thus proposed to have potential utility as a diagnostic marker...
June 11, 2018: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/29885660/necrotizing-enterocolitis-is-associated-with-acute-brain-responses-in-preterm-pigs
#4
Jing Sun, Xiaoyu Pan, Line I Christiansen, Xiao-Long Yuan, Kerstin Skovgaard, Dereck E W Chatterton, Sanne S Kaalund, Fei Gao, Per T Sangild, Stanislava Pankratova
BACKGROUND: Necrotizing enterocolitis (NEC) is an acute gut inflammatory disorder that occurs in preterm infants in the first weeks after birth. Infants surviving NEC often show impaired neurodevelopment. The mechanisms linking NEC lesions with later neurodevelopment are poorly understood but may include proinflammatory signaling in the immature brain. Using preterm pigs as a model for preterm infants, we hypothesized that severe intestinal NEC lesions are associated with acute effects on the developing hippocampus...
June 9, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29884908/thioredoxin-interacting-protein-deficiency-ameliorates-kidney-inflammation-and-fibrosis-in-mice-with-unilateral-ureteral-obstruction
#5
Ming Wu, Ruoyu Li, Yanjuan Hou, Shan Song, Weixia Han, Nan Chen, Yunxia Du, Yunzhuo Ren, Yonghong Shi
Thioredoxin-interacting protein (TXNIP) is associated with inflammation, tubulointerstitial fibrosis, and oxidative stress in diabetic kidney disease, yet the potential role of TXNIP in nondiabetic renal injury is not well known. This study aimed to investigate the effect of TXNIP on renal injury by creating a unilateral ureteral obstruction (UUO) model in TXNIP knockout (TKO) mice. We performed sham or UUO surgery in 8-week-old TXNIP KO male mice and age and sex-matched wild-type (WT) mice. Animals were killed at 3, 5, 7, or 14 days after surgery, and renal tissues were obtained for RNA, protein, and other analysis...
June 8, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29870680/hypothermic-oxygenated-perfusion-hope-attenuates-ischemia-reperfusion-injury-in-the-liver-through-inhibition-of-the-txnip-nlrp3-inflammasome-pathway-in-a-rat-model-of-donation-after-cardiac-death
#6
Weiyang He, Shaojun Ye, Cheng Zeng, Shuai Xue, Xiaoyan Hu, Xingjian Zhang, Siqi Gao, Yan Xiong, Xueyu He, Soatina Vivalda, Ling Li, Yanfeng Wang, Qifa Ye
Hypothermic oxygenated perfusion (HOPE) is a relatively new dynamic preservation procedure that has not been widely implemented in liver transplantation despite its advantages. Improved graft protection is one such advantage offered by HOPE and has been attributed to multiple mechanisms, one of which may be the modulation of the thioredoxin-interacting protein (TXNIP)/NOD-like receptor protein 3 (NLRP3) inflammasome pathway. The TXNIP/NLRP3 inflammasome pathway plays a critical role in sterile inflammation under oxidative stress as a result of ischemia/reperfusion injury (IRI)...
June 5, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29852169/txnip-knockdown-alleviates-hepatocyte-ischemia-reperfusion-injury-through-preventing-p38-jnk-pathway-activation
#7
Yong Zhang, Liang-Sheng Miao, Ying-Min Cai, Jia-Xuan He, Zhen-Ni Zhang, Gang Wu, Juan Zheng
Hepatic ischemia and reperfusion (I/R) injury is a major cause of liver damage during liver transplantation, resection surgery, shock, and trauma. It has been reported that TXNIP expression was upregulated in a rat model of hepatic I/R injury. However, the role of TXNIP in the hepatic I/R injury is little known. In our study, we investigated the biological role of TXNIP and its potential molecular mechanism in the human hepatic cell line (HL7702 cells). Using oxygen-glucose deprivation and reoxygenation (OGD/R) to create a cell model of hepatic I/R injury, we found that the mRNA and protein expression levels of TXNIP were upregulated in HL7702 cells exposed to OGD/R...
May 28, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29849929/troxerutin-protects-kidney-tissue-against-bde-47-induced-inflammatory-damage-through-cxcr4-txnip-nlrp3-signaling
#8
Qun Shan, Gui-Hong Zheng, Xin-Rui Han, Xin Wen, Shan Wang, Meng-Qiu Li, Juan Zhuang, Zi-Feng Zhang, Bin Hu, Yanqiu Zhang, Yuan-Lin Zheng
2,2',4,4'-Tetrabromodiphenyl ether (BDE-47) induces oxidative stress in kidney cells, but the underlying mechanism remains poorly understood. Troxerutin, a natural flavonoid, has potential antioxidant and anti-inflammatory efficacy. In this study, we assessed the effect of troxerutin on kidney damage caused by BDE-47 and investigated the underlying mechanism. The results showed troxerutin reduced reactive oxygen species (ROS) level and urine albumin-to-creatinine ratio (ACR), decreased the activities of inflammatory factors including cyclooxygenase-2 (COX-2), induced nitric oxide synthase (iNOS) and nuclear factor kappa B (NF- κ B) in the kidney tissues of BDE-47-treated mice...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29849140/author-correction-metabolic-gatekeeper-function-of-b-lymphoid-transcription-factors
#9
Lai N Chan, Zhengshan Chen, Daniel Braas, Jae-Woong Lee, Gang Xiao, Huimin Geng, Kadriye Nehir Cosgun, Christian Hurtz, Seyedmehdi Shojaee, Valeria Cazzaniga, Hilde Schjerven, Thomas Ernst, Andreas Hochhaus, Steven M Kornblau, Marina Konopleva, Miles A Pufall, Giovanni Cazzaniga, Grace J Liu, Thomas A Milne, H Phillip Koeffler, Theodora S Ross, Isidro Sánchez-García, Arndt Borkhardt, Keith R Yamamoto, Ross A Dickins, Thomas G Graeber, Markus Müschen
In Fig. 3c of this Letter, the the effects of CRISPR-Cas9-mediated deletion of NR3C1, TXNIP and CNR2 in patient-derived B-lineage leukaemia cells were shown. For curves depicting NR3C1 (left graph), data s for TXNIP (middle graph) were inadvertently plotted. This figure has been corrected online, and the original Fig. 3c is shown as Supplementary Information to this Amendment for transparency. The error does not affect the conclusions of the Letter. In addition, Source Data files have been added for the Figs...
May 30, 2018: Nature
https://www.readbyqxmd.com/read/29845284/linarin-prevents-lps%C3%A2-induced-acute-lung-injury-by-suppressing-oxidative-stress-and-inflammation-via-inhibition-of-txnip-nlrp3-and-nf%C3%A2-%C3%AE%C2%BAb-pathways
#10
Xiang Han, Yi-Chen Wu, Min Meng, Qing-Song Sun, Su-Min Gao, Hong Sun
Acute lung injury (ALI) is an important cause of morbidity and mortality for critically ill patients, and linarin (LR) may be a potential treatment for ALI as it reportedly has antioxidant, anti‑inflammatory and apoptotic‑regulating activity. In the present study, the authors report that saline and LR (12.5, 25 and 50 mg/kg) were applied to male C57BL/6 mice via gavage. Then, mice were intratracheally injected with either saline or lipopolysaccharide (LPS). LR‑pretreatment attenuated LPS‑induced ALI and platelet activation and reduced CD41 expression levels and neutrophil platelet aggregates...
May 30, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29813102/palmitate-and-insulin-counteract-glucose-induced-thioredoxin-interacting-protein-txnip-expression-in-insulin-secreting-cells-via-distinct-mechanisms
#11
Madhura Panse, Oliver Kluth, Estela Lorza-Gil, Gabriele Kaiser, Eckhard Mühlbauer, Annette Schürmann, Hans-Ulrich Häring, Susanne Ullrich, Felicia Gerst
Glucose and palmitate synergistically stimulate insulin secretion, but chronically elevated they induce apoptotic β-cell death. The glucotoxic effect has been attributed, at least partly, to the upregulation of the oxidative stress marker thioredoxin interacting protein (TXNIP). Palmitate downregulates TXNIP expression, the functional significance of which is still under debate. This study examines the mechanism and consequence of palmitate-mediated TXNIP regulation in insulin secreting cells. Palmitate (600 μM) reduced TXNIP mRNA levels in isolated human and mouse islets independently of FFAR1/GPR40...
2018: PloS One
https://www.readbyqxmd.com/read/29800538/perilla-aldehyde-attenuates-cums-induced-depressive-like-behaviors-via-regulating-txnip-trx-nlrp3-pathway-in-rats
#12
Yichen Song, Ruoxi Sun, Zhouye Ji, Xiaoxi Li, Qiang Fu, Shiping Ma
BACKGROUND: Current evidence supports that inflammatory reaction in the hippocampus is a potential cause of major depressive disorder (MDD). Perilla aldehyde (PAH), a major constituent from Perilla frutescens, has been reported to have anti-inflammatory and anti-oxidant activity. The aim of this study is to explore the antidepressant-like effect and the underlying mechanism of PAH on the rats model induced by chronic unpredictable mild stress (CUMS). METHODS: CUMS rats model was built to tested their depressive-like behaviors...
August 1, 2018: Life Sciences
https://www.readbyqxmd.com/read/29792552/immobilization-rapidly-induces-thioredoxin-interacting-protein-txnip-gene-expression-together-with-insulin-resistance-in-rat-skeletal-muscle
#13
Emi Kawamoto, Keigo Tamakoshi, Song-Gyu Ra, Hiroyuki Masuda, Kentaro Kawanaka
Acute short-duration of disuse induces the development of insulin resistance for glucose uptake in rodent skeletal muscle. Since thioredoxin-interacting protein (TXNIP) has been implicated in the downregulation of insulin signaling and glucose uptake, we examined the possibility that muscle disuse rapidly induces insulin resistance via increased TXNIP mRNA and protein expression. Male Wistar rats were subjected to unilateral 6-hr hindlimb immobilization by plaster cast. At the end of this period, the soleus muscles from both immobilized and contralateral non-immobilized hindlimbs were excised and examined...
May 24, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29765493/long-term-exercise-protects-against-cellular-stresses-in-aged-mice
#14
Irina Belaya, Masataka Suwa, Tao Chen, Rashid Giniatullin, Katja M Kanninen, Mustafa Atalay, Shuzo Kumagai
The current study examined the effect of aging and long-term wheel-running on the expression of heat shock protein (HSP), redox regulation, and endoplasmic reticulum (ER) stress markers in tibialis anterior (T.A.) and soleus muscle of mice. Male mice were divided into young (Y, 3-month-old), old-sedentary (OS, 24-month-old), and old-exercise (OE, 24-month-old) groups. The OE group started voluntary wheel-running at 3 months and continued until 24 months of age. Aging was associated with a higher thioredoxin-interacting protein (TxNiP) level, lower thioredoxin-1 (TRX-1) to TxNiP ratio-a determinant of redox regulation and increased CHOP, an indicator of ER stress-related apoptosis signaling in both muscles...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29736189/investigation-of-the-influence-of-high-glucose-on-molecular-and-genetic-responses-an-in-vitro-study-using-a-human-intestine-model
#15
Tugce Boztepe, Sukru Gulec
Background: Dietary glucose consumption has increased worldwide. Long-term high glucose intake contributes to the development of obesity and type 2 diabetes mellitus (T2DM). Obese people tend to eat glucose-containing foods, which can lead to an addiction to glucose, increased glucose levels in the blood and intestine lumen, and exposure of intestinal enterocytes to high dietary glucose. Recent studies have documented a role for enterocytes in glucose sensing. However, the molecular and genetic relationship between high glucose levels and intestinal enterocytes has not been determined...
2018: Genes & Nutrition
https://www.readbyqxmd.com/read/29693181/bioinformatics-analysis-of-differentially-expressed-mirna-related-mrnas-and-their-prognostic-value-in-breast-carcinoma
#16
Guo-Ming Zhang, Hemant Goyal, Lei-Lei Song
Breast carcinoma is one of the most common types of malignant neoplasms, and is associated with high rates of morbidity and mortality. Altered gene expression is critical in the development of breast cancer. To identify the important differentially expressed genes and microRNAs in breast carcinoma, mRNA (GSE26910, GSE42568, and GSE89116) and microRNA (GSE35412) microarray datasets were downloaded from the Gene Expression Omnibus database. The differentially expressed microRNA expression data were extracted with GEO2R online software...
April 23, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29691580/-adenovirus-mediated-overexpression-of-thioredoxin-interaction-protein-inhibits-ins-1-islet-%C3%AE-cell-proliferation
#17
Zhu-Jie Cao, Yan-Jin Feng, Dan Li, Jin Wang, Hai-Yan Huo, Xu-Mei Zhang, Xiang-Ying Jiao
Diabetes can cause a significant increase in the expression of thioredoxin (Trx)-interacting protein (TXNIP), which binds to Trx and inhibits its activity. The present study was aimed to investigate the effect of TXNIP on proliferation of rat INS-1 islet β cells and the underlying mechanism. TXNIP overexpressing adenovirus vectors (Ad-TXNIP-GFP and Ad-TXNIPc247s-GFP) were constructed and used to infect INS-1 cells. Ad-TXNIPc247s-GFP vector carries a mutant C247S TXNIP gene, and its expression product (TXNIPc247s) cannot attach and inhibit Trx activity...
April 25, 2018: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/29691579/-angiotensin-ii-promotes-the-expression-of-txnip-through-angiotensin-ii-type-1-receptor-in-islet-%C3%AE-cells
#18
Yan-Jin Feng, Jin Wang, Zhu-Jie Cao, Dan Li, Hai-Yan Huo, Xu-Mei Zhang, Xiang-Ying Jiao
This study investigated the effect of angiotensin II (Ang II) on apoptosis and thioredoxin-interacting protein (TXNIP) expression in INS-1 islet cells and the underlying mechanism. INS-1 cells cultured in vitro were treated with different concentration of Ang II for different time, and the viability was measured using cell counting kit-8 (CCK-8). After treatment with 1 × 10-6 mol/L Ang II for 24 h, flow cytometry and Western blot were used to measure the cell apoptosis, and Western blot was used to analyze the protein expression of TXNIP, carbohydrate response element-binding protein (ChREBP) and angiotensin II type 1 receptor (AT1R)...
April 25, 2018: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/29684849/mapping-txnip-key-connexions-in-progression-of-diabetic-nephropathy
#19
REVIEW
Anil Kumar, Ruchika Mittal
Studies demonstrates the major involvement of inflammatory and apoptotic pathway in the pathophysiology of diabetic nephropathy. The cross talk between inflammatory and apoptotic pathway suggests Txnip as a molecular connexion in progression of disease state. Txnip modulates inflammatory pathway (via ROS production and NLRP3 inflammasome activity) and apoptotic pathway (via mTOR pathway). The key contribution of Txnip in both the pathways, reflects, its crucial role in diabetic nephropathy. In the present review, we have first provided an overview of diabetic nephropathy and Txnip system, followed by the mechanistic insight of Txnip in the progression of diabetic nephropathy...
June 2018: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29682582/vitamin-d-3-protects-against-diabetic-retinopathy-by-inhibiting-high-glucose-induced-activation-of-the-ros-txnip-nlrp3-inflammasome-pathway
#20
Li Lu, Qianyi Lu, Wei Chen, Jingwen Li, Chunxia Li, Zhi Zheng
Purpose: This study aimed to evaluate the mechanisms underlying the effects of 1,25-dihydroxyvitamin D (vitamin D3 ) on diabetes-induced retinal vascular damage and retinal vascular endothelial cell apoptosis. Methods: Diabetic and control rats were randomly assigned to receive vitamin D3 or vehicle for 6 months. Additionally, human retinal microvascular endothelial cells (HRMECs) were incubated in normal or high-glucose medium with or without vitamin D3 . Morphological changes in retinal tissues and retinal vascular permeability were examined, and cellular apoptosis was detected by fluorescence staining...
2018: Journal of Diabetes Research
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