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Tumor necrotic factor

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https://www.readbyqxmd.com/read/29123466/neuroprotective-effect-of-%C3%AE-caryophyllene-on-cerebral-ischemia-reperfusion-injury-via-regulation-of-necroptotic-neuronal-death-and-inflammation-in-vivo-and-in-vitro
#1
Mei Yang, Yongjiu Lv, Xiaocui Tian, Jie Lou, Ruidi An, Qian Zhang, Minghang Li, Lu Xu, Zhi Dong
Necrotic cell death is a hallmark feature of ischemic stroke and it may facilitate inflammation by releasing intracellular components after cell-membrane rupture. Previous studies reported that β-caryophyllene (BCP) mitigates cerebral ischemia-reperfusion (I/R) injury, but the underlying mechanism remains unclear. We explored whether BCP exerts a neuroprotective effect in cerebral I/R injury through inhibiting necroptotic cell death and inflammation. Primary neurons with and without BCP (0.2, 1, 5, 25 μM) treatment were exposed to oxygen-glucose deprivation and re-oxygenation (OGD/R)...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29113143/sevoflurane-postconditioning-induced-anti-inflammation-via-inhibition-of-the-toll-like-receptor-4-nuclear-factor-kappa-b-pathway-contributes-to-neuroprotection-against-transient-global-cerebral-ischemia-in-rats
#2
Jung-Won Hwang, Young-Tae Jeon, Young-Jin Lim, Hee-Pyoung Park
The anti-inflammatory actions of sevoflurane postconditioning are suggested as an important mechanism of sevoflurane postconditioning-induced neuroprotection against cerebral ischemia. Here, we determined whether the anti-inflammatory effects of sevoflurane postconditioning were mediated via inhibition of the toll-like receptor (TLR)-4/nuclear factor kappa B (NF-κB) pathway after global transient cerebral ischemia in rats. Forty-five rats were randomly assigned to five groups as follows: (1) control (10 min of ischemia, n = 10); (2) sevoflurane postconditioning (two periods of sevoflurane inhalation after ischemia for 10 min with a wash period of 10 min, n = 10); (3) resatorvid (intraperitoneal injection of a selective TLR-4 antagonist (3 mg/kg) 30 min before ischemia, n = 10); (4) sevoflurane postconditioning plus resatorvid (n = 10), and sham (n = 5)...
November 6, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29053425/association-of-mannose-binding-lectin-rs1800450-and-tumor-necrotic-factor-%C3%AE-rs1800620-polymorphism-with-helicobacter-pylori-in-type-ii-diabetes-mellitus
#3
Elnaz Mortazavi, Behnaz Eslami, Parisa Aghahosseini, Fatemeh Ahron, Armagan Amininejad, Sepideh Mahmoodi, Hadis Satarpour, Nilofar Radmanesh, Hossein Rassi
Type II diabetes mellitus (T2DM) is the prevalent type of diabetes, including 90% of the cases world-wide. Helicobacter pylori plays a pathogenic role in the development of T2DM. The host genetic factors have a significant impact on the clinical outcome and anatomical distribution of H. pylori infection and polymorphisms in several genes such as tumor necrotic factor (TNF)-α and mannose-binding lectin (MBL) and are considered to increase the risk for the development of T2DM. In this study, we investigate the prevalence rate of H...
October 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/29050897/a-retrospective-study-of-bevacizumab-for-treatment-of-brainstem-glioma-with-malignant-features
#4
Shigeta Moriya, Shigeo Ohba, Kazuhide Adachi, Yuya Nishiyama, Takuro Hayashi, Shinya Nagahisa, Takafumi Kaito, Shunsuke Nakae, Yuichi Hirose
Brainstem glioma is impossible to resect completely, and patients with this type of glioma show a poor prognosis. Therefore, a more effective adjuvant therapy is required to prolong survival. Bevacizumab is an endothelial growth factor monoclonal antibody with strong anti-vascular effects, which may suppress tumor progression. We performed a retrospective study of data from 6 patients with brainstem glioma showing malignant features who were treated with bevacizumab. Tumor-associated lesions, as evaluated by T2 weighted or fluid-attenuated inversion-recovery magnetic resonance imaging, were reduced in all patients, although the timing of the start of bevacizumab administration and pretreatment were not uniform...
October 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29025416/impact-of-renal-function-on-the-underlying-pathophysiology-of-coronary-plaque-composition-in-patients-with-type-2-diabetes-mellitus
#5
Kentaro Kakuta, Kaoru Dohi, Miho Miyoshi, Takashi Yamanaka, Masaki Kawamura, Jun Masuda, Tairo Kurita, Toru Ogura, Norikazu Yamada, Yasuhiro Sumida, Masaaki Ito
BACKGROUND: Both the progression of diabetic kidney disease and increased glycemic variability play important roles in the pathogenesis of coronary plaque formation via inflammatory pathways in patients with type 2 diabetes mellitus (T2DM). Therefore we evaluated the role of renal function in the contributory effects of blood glucose fluctuations and blood levels of inflammatory cytokine concentrations on the tissue characteristics of coronary plaques in patients with T2DM. METHODS: We prospectively enrolled 71 T2DM patients (mean age: 68 ± 9, male 79%) with 153 coronary artery lesions...
October 12, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28985743/efficacy-of-functional-foods-mixture-in-improving-hypercholesterolemia-inflammatory-and-endothelial-dysfunction-biomarkers-induced-by-high-cholesterol-diet
#6
Hessah Mohammed Al-Muzafar, Kamal Adel Amin
BACKGROUND: Hypercholesterolemia associated with cardiovascular diseases is a global health issue that could be alleviated by functional foods. This study aimed to explore the effects of a high-cholesterol diet on lipid profile, cardiac, inflammatory, and endothelial dysfunction biomarkers, and the possible improvement by functional foods mixture. METHODS: Male albino rats weighing 100-150 g were randomly divided into four equal groups: 1st control, giving a normal diet; the 2nd received high-cholesterol diet for 8 weeks, the 3rd received the high-cholesterol diet + functional foods mixture, and the 4th administered high-cholesterol diet +atorvastatin (20 mg) orally...
October 6, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28974758/evaluation-of-the-heterogeneous-tissue-distribution-of-erlotinib-in-lung-cancer-using-matrix-assisted-laser-desorption-ionization-mass-spectrometry-imaging
#7
Yukari Tsubata, Mitsuhiro Hayashi, Ryosuke Tanino, Hiroaki Aikawa, Mayu Ohuchi, Kenji Tamura, Yasuhiro Fujiwara, Takeshi Isobe, Akinobu Hamada
Although drug distribution in tumor tissues has a significant impact on efficacy, conventional pharmacokinetic analysis has some limitations with regard to its ability to provide a comprehensive assessment of drug tissue distribution. Erlotinib is a tyrosine kinase inhibitor that acts on the epidermal growth factor receptor; however, it is unclear how this drug is histologically distributed in lung cancer. We used matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI) and liquid chromatography-tandem mass spectrometry (LC-MS/MS) to analyze erlotinib distribution in the tumor and normal lung tissues of a mouse xenograft model and patient with non-small cell lung cancer...
October 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28959204/protease-activated-receptor-2-deficiency-attenuates-atherosclerotic-lesion-progression-and-instability-in-apolipoprotein-e-deficient-mice
#8
Pengfei Zuo, Zhi Zuo, Yueyue Zheng, Xin Wang, Qianxing Zhou, Long Chen, Genshan Ma
Inflammatory mechanisms are involved in the process of atherosclerotic plaque formation and rupture. Accumulating evidence suggests that protease-activated receptor (PAR)-2 contributes to the pathophysiology of chronic inflammation on the vasculature. To directly examine the role of PAR-2 in atherosclerosis, we generated apolipoprotein E/PAR-2 double-deficient mice. Mice were fed with high-fat diet for 12 weeks starting at ages of 6 weeks. PAR-2 deficiency attenuated atherosclerotic lesion progression with reduced total lesion area, reduced percentage of stenosis and reduced total necrotic core area...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28923326/effects-of-sulphasalazine-in-cerebral-ischemia-reperfusion-injury-in-rat
#9
Cansel Cetin, Ahmet Melih Erdogan, Gungor Cagdas Dincel, Bulent Bakar, Ucler Kisa
BACKGROUND: Management of cerebral ischemia/reperfusion (I/R) injury is still difficult process today. AIMS OF THE STUDY: Aim of present study was to investigate therapeutic properties of sulfasalazine in cerebral transient I/R injury in rat. METHODS: Except Control group (n = 5), 20 Wistar albino rats were allocated for acute and chronic stage investigation of I/R injury, and temporary aneurysm clips were attempted to both internal carotid arteries for thirty min...
April 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28835865/primitive-neuroectodermal-tumor-and-wegener-s-granulomatosis-of-the-kidney-a-curious-combination-of-two-rare-entities
#10
Rugvedita Parakh, Satyajeet Parakh, Maria Tretiakova
Wegener's granulomatosis (WG) is characterized by necrotizing polyangiitis involving the respiratory tract and kidneys. It causes segmental necrotizing glomerulonephritis in the kidneys. In rare cases, a renal pseudotumor may be seen because of the granulomatous process. Association of WG with renal malignancy, however, is very uncommon. We report a case of a patient who presented several years after being treated for WG with malignant hypertension and an infiltrating mass in the right kidney. The histopathology of radical nephrectomy specimen showed presence of primitive neuroectodermal tumor (PNET)...
2017: Case Reports in Urology
https://www.readbyqxmd.com/read/28832998/dynamic-monitoring-of-p53-translocation-to-mitochondria-for-the-analysis-of-specific-inhibitors-using-luciferase-fragment-complementation
#11
Natsumi Noda, Raheela Awais, Robert Sutton, Muhammad Awais, Takeaki Ozawa
Intracellular protein translocation plays a pivotal role in regulating complex biological processes, including cell death. The tumor suppressor p53 is a transcription factor activated by DNA damage and oxidative stress that also translocates from the cytosol into the mitochondrial matrix to facilitate necrotic cell death. However, specific inhibitors of p53 mitochondrial translocation are largely unknown. To explore the inhibitors of p53, we developed a bioluminescent probe to monitor p53 translocation from cytosol to mitochondria using luciferase fragment complementation assays...
December 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28831662/pituitary-apoplexy-and-rivaroxaban
#12
S Ly, A Naman, B Chaufour-Higel, M Patey, C Arndt, B Delemer, C F Litre
Pituitary apoplexy (PA), defined by the occurrence of a massive hemorrhagic necrotic rearrangement within a pituitary adenoma, is rare. Its occurrence can be associated with certain risk factors, including anticoagulation. We report the first case of PA with rivaroxaban which is one of the new oral anticoagulants: a 73 year-old patient presenting with severe headache and visual field deterioration. Surgery was performed. Radiotherapy treatment was decided three months after surgery because of tumor residue.
December 2017: Pituitary
https://www.readbyqxmd.com/read/28823025/nanomedicine-associated-with-photodynamic-therapy-for-glioblastoma-treatment
#13
REVIEW
Leonardo B de Paula, Fernando L Primo, Antonio C Tedesco
Glioblastoma, also known as glioblastoma multiforme (GBM), is the most recurrent and malignant astrocytic glioma found in adults. Biologically, GBMs are highly aggressive tumors that often show diffuse infiltration of the brain parenchyma, making complete surgical resection difficult. GBM is not curable with surgery alone because tumor cells typically invade the surrounding brain, rendering complete resection unsafe. Consequently, present-day therapy for malignant glioma remains a great challenge. The location of the invasive tumor cells presents several barriers to therapeutic delivery...
October 2017: Biophysical Reviews
https://www.readbyqxmd.com/read/28814802/relationship-between-necrotic-patterns-in-glioblastoma-and-patient-survival-fractal-dimension-and-lacunarity-analyses-using-magnetic-resonance-imaging
#14
Shuai Liu, Yinyan Wang, Kaibin Xu, Zheng Wang, Xing Fan, Chuanbao Zhang, Shaowu Li, Xiaoguang Qiu, Tao Jiang
Necrosis is a hallmark feature of glioblastoma (GBM). This study investigated the prognostic role of necrotic patterns in GBM using fractal dimension (FD) and lacunarity analyses of magnetic resonance imaging (MRI) data and evaluated the role of lacunarity in the biological processes leading to necrosis. We retrospectively reviewed clinical and MRI data of 95 patients with GBM. FD and lacunarity of the necrosis on MRI were calculated by fractal analysis and subjected to survival analysis. We also performed gene ontology analysis in 32 patients with available RNA-seq data...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811996/experimental-method-and-statistical-analysis-to-fit-tumor-growth-model-using-spect-ct-imaging-a-preclinical-study
#15
Ivan Hidrovo, Joyoni Dey, Megan E Chesal, Dmytro Shumilov, Narayan Bhusal, J Michael Mathis
BACKGROUND: Over the last decade, several theoretical tumor-models have been developed to describe tumor growth. Oncology imaging is performed using various modalities including computed tomography (CT), magnetic resonance imaging (MRI), single-photon emission computed tomography (SPECT) and fluorodeoxyglucose-positron emission tomography (FDG-PET). Our goal is to extract useful, otherwise hidden, quantitative biophysical parameters (such as growth-rate, tumor-necrotic-factor, etc.) from these serial images of tumors by fitting mathematical models to images...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28794644/the-rank-rankl-opg-system-in-tumorigenesis-and-metastasis-of-cancer-stem-cell-potential-targets-for-anticancer-therapy
#16
REVIEW
Mekonnen Sisay, Getnet Mengistu, Dumessa Edessa
The molecular triad involving receptor activator of nuclear factor kβ (RANK)/RANK ligand (RANKL)/osteoprotegerin cytokine system has been well implicated in several physiological and pathological processes including bone metabolism, mammary gland development, regulation of the immune function, tumorigenesis and metastasis of cancer stem cell, thermoregulation, and vascular calcification. However, this review aimed to summarize several original and up-to-date articles focusing on the role of this signaling system in cancer cell development and metastasis as well as potential therapeutic agents targeting any of the three tumor necrotic factor super family proteins and/or their downstream signaling pathways...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28791019/macrophage-inducible-c-type-lectin-as-a-multifunctional-player-in-immunity
#17
REVIEW
Emmanuel C Patin, Selinda Jane Orr, Ulrich E Schaible
The macrophage-inducible C-type lectin (Mincle) is an innate immune receptor on myeloid cells sensing diverse entities including pathogens and damaged cells. Mincle was first described as a receptor for the mycobacterial cell wall glycolipid, trehalose-6,6'-dimycolate, or cord factor, and the mammalian necrotic cell-derived alarmin histone deacetylase complex unit Sin3-associated protein 130. Upon engagement by its ligands, Mincle induces secretion of innate cytokines and other immune mediators modulating inflammation and immunity...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28754668/transglutaminase-2-inhibition-reverses-mesenchymal-transdifferentiation-of-glioma-stem-cells-by-regulating-c-ebp%C3%AE-signaling
#18
Jinlong Yin, Young Taek Oh, Jeong-Yub Kim, Sung Soo Kim, Eunji Choi, Tae Hoon Kim, Jun Hee Hong, Nakho Chang, Hee Jin Cho, Jason K Sa, Jeong Cheol Kim, Hyung Joon Kwon, Saewhan Park, Weiwei Lin, Ichiro Nakano, Ho-Shin Gwak, Heon Yoo, Seung-Hoon Lee, Jeongwu Lee, Jong Heon Kim, Soo-Youl Kim, Do-Hyun Nam, Myung-Jin Park, Jong Bae Park
Necrosis is a hallmark of glioblastoma (GBM) and is responsible for poor prognosis and resistance to conventional therapies. However, the molecular mechanisms underlying necrotic microenvironment-induced malignancy of GBM have not been elucidated. Here, we report that transglutaminase 2 (TGM2) is upregulated in the perinecrotic region of GBM and triggered mesenchymal (MES) transdifferentiation of glioma stem cells (GSC) by regulating master transcription factors (TF), such as C/EBPβ, TAZ, and STAT3. TGM2 expression was induced by macrophages/microglia-derived cytokines via NF-κB activation and further degraded DNA damage-inducible transcript 3 (GADD153) to induce C/EBPβ expression, resulting in expression of the MES transcriptome...
September 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28752230/biological-therapies-for-the-treatment-of-beh%C3%A3-et-s-disease-related-uveitis-beyond-tnf-alpha-blockade-a-narrative-review
#19
REVIEW
Jurgen Sota, Donato Rigante, Giuseppe Lopalco, Bruno Frediani, Rossella Franceschini, Mauro Galeazzi, Florenzo Iannone, Gian Marco Tosi, Claudia Fabiani, Luca Cantarini
Intraocular inflammation is one of the more relevant complications of Behçet's disease (BD), which tends to respond poorly to different medications. The ocular histopathologic changes are basically identical to those occurring in other organs and consist in a necrotizing leukocytoclastic obliterative vasculitis, which is probably immune complex-mediated and affects both arteries and veins of all sizes. There are growing evidences showing the potential role of biologic agents other than anti-tumor necrosis factor (TNF)-α agents in the management of ocular-BD, which have been collected in this review, including interleukin-1 and interleukin-6 blockade, secukinumab, ustekinumab, daclizumab, rituximab, and alemtuzumab...
July 27, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28721163/additive-effects-of-atorvastatin-combined-with-sitagliptin-on-rats-with-myocardial-infarction-a-pilot-study
#20
Xiao Ke, Bin Ke, Xing Wang, Shaoyun Wu, Rongfeng Yang, Chengheng Hu
INTRODUCTION: Atorvastatin and sitagliptin are able to exert cardio-protective effects. However, whether atorvastatin plus sitagliptin could confer additive benefits for rats with myocardial infarction (MI) is unknown. MATERIAL AND METHODS: Forty rats with MI were produced and 37 surviving rats were randomly divided into atorvastatin (10 mg/kg daily, n = 9), sitagliptin (10 mg/kg daily, n = 9), combined (10 mg/kg daily atorvastatin plus 10 mg/kg daily sitagliptin, n = 9), and control groups (3 ml normal saline daily, n = 10)...
June 2017: Archives of Medical Science: AMS
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