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Tumor necrotic factor

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https://www.readbyqxmd.com/read/28228892/metastatic-extrapleural-malignant-solitary-fibrous-tumor-presenting-with-hypoglycemia-doege-potter-syndrome
#1
Andrew J Degnan, Kenneth K W Lee, Marta I Minervini, Amir A Borhani
We report a rare case of metastatic malignant solitary fibrous tumor (SFT) that presented with hypoglycemia because of insulin growth factor-2 production. Initial workup included computed tomography imaging that revealed a large, partially necrotic liver mass, a hypervascular pancreatic head lesion, and 2 renal lesions. Following hepatic resection, pancreatic head resection and nephrectomy, all these lesions demonstrated pathological findings that were consistent with SFT. The patient also had a history of an intracranial mass that had been previously resected and treated with gamma knife therapy at an outside institution, which was found to also be SFT...
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28216194/safety-of-resuming-biologic-dmards-in-patients-who-develop-tuberculosis-after-anti-tnf-treatment
#2
Soo-Kyung Cho, Dam Kim, Soyoung Won, Minkyung Han, Jiyoung Lee, Eun Jin Jang, Tae-Hyung Kim, Sang-Cheol Bae, Yoon-Kyoung Sung
OBJECTIVES: To estimate the incidence of tuberculosis (TB) in rheumatoid arthritis (RA) patients treated with tumor necrotizing factor inhibitor (TNFI) and evaluate the safety of resuming biologic disease-modifying anti-rheumatic drugs (DMARDs) in patients who developed TB after anti-TNF treatment. METHODS: We conducted an inception cohort study of RA patients in the Korean Healthcare Claims Database who started TNFI as the first biologic DMARD between January 2009 and December 2013...
January 18, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28212563/progression-of-motor-deficits-in-glioma-bearing-mice-impact-of-cnf1-therapy-at-symptomatic-stages
#3
Eleonora Vannini, Federica Maltese, Francesco Olimpico, Alessia Fabbri, Mario Costa, Matteo Caleo, Laura Baroncelli
Glioblastoma (GBM) is the most aggressive type of brain tumor. In this context, animal models represent excellent tools for the early detection and longitudinal mapping of neuronal dysfunction, that are critical in the preclinical validation of new therapeutic strategies. In a mouse glioma model, we developed sensitive behavioral readouts that allow early recognizing and following neurological symptoms. We injected GL261 cells into the primary motor cortex of syngenic mice and we used a battery of behavioral tests to longitudinally monitor the dysfunction induced by tumor growth...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28196859/dietary-nitrite-reverses-features-of-postmenopausal-metabolic-syndrome-induced-by-high-fat-diet-and-ovariectomy-in-mice
#4
Kazuo Ohtake, Nobuyuki Ehara, Hiroshige Chiba, Genya Nakano, Kunihiro Sonoda, Junta Ito, Hiroyuki Uchida, Jun Kobayashi
Menopausal women are at greater risk of developing metabolic syndrome with reduced endothelial nitric oxide synthase (eNOS) activity. Hormone replacement therapy increases eNOS activity and normalizes some characteristics of metabolic syndrome. We hypothesized that nitric oxide (NO) supplementation should have a therapeutic effect in this syndrome. We examined the effect of dietary nitrite on mice model with postmenopausal metabolic syndrome induced by ovariectomy (OVX) with high fat diet (HF). C57BL/6 female mice were divided into five groups, sham+normal fat diet (NF), sham+ HF, OVX+HF without or with sodium nitrite (50mg and 150mg/L) in drinking water...
February 14, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28182306/effect-of-a-hypoxic-microenvironment-after-radiofrequency-ablation-on-residual-hepatocellular-cell-migration-and-invasion
#5
Yuyang Tong, Haiyun Yang, Xiaolin Xu, Jingliang Ruan, Ming Liang, Jiayi Wu, Baoming Luo
Clinical observations have shown that the boundary of tumor ablation is often less than safe border and that the use of radiofrequency ablation (RFA) in the treatment of hepatocellular carcinoma (HCC) may probably accelerate its recurrence and metastasis. RFA can cause the formation of a transition zone between normal liver tissues and necrotic coagulation, where blood stagnation and thrombosis expose residual cancer cells to a hypoxic microenvironment. As the blocked vessels are slowly reperfused, the oxygen supply is gradually restored...
February 9, 2017: Cancer Science
https://www.readbyqxmd.com/read/28181817/mathematical-modeling-of-intraperitoneal-drug-delivery-simulation-of-drug-distribution-in-a-single-tumor-nodule
#6
Margo Steuperaert, Giuseppe Falvo D'Urso Labate, Charlotte Debbaut, Olivier De Wever, Christian Vanhove, Wim Ceelen, Patrick Segers
The intraperitoneal (IP) administration of chemotherapy is an alternative treatment for peritoneal carcinomatosis, allowing for higher intratumor concentrations of the cytotoxic agent compared to intravenous administration. Nevertheless, drug penetration depths are still limited to a few millimeters. It is thus necessary to better understand the limiting factors behind this poor penetration in order to improve IP chemotherapy delivery. By developing a three-dimensional computational fluid dynamics (CFD) model for drug penetration in a tumor nodule, we investigated the impact of a number of key parameters on the drug transport and penetration depth during IP chemotherapy...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28166367/liver-injury-and-endotoxemia-in-male-and-female-alcohol-dependent-individuals-admitted-to-an-alcohol-treatment-program
#7
Irina A Kirpich, Craig J McClain, Vatsalya Vatsalya, Melanie Schwandt, Monte Phillips, K Cameron Falkner, Lucy Zhang, Catey Harwell, David T George, John C Umhau
BACKGROUND: Interactions between the liver, the gut, and the immune system are critical components of alcoholic liver disease (ALD). The aim of this study was to explore the associations between alcohol-induced liver injury, endotoxemia, and inflammation at admission and over time during abstinence, as well as to examine the sex-related differences in these parameters in alcohol-dependent individuals admitted to an alcohol treatment program. METHODS: A cohort of 48 otherwise healthy participants with alcohol use disorder, but no clinical signs of alcoholic liver injury (34 males (M)/14 females (F)) admitted to an alcohol detoxification program, was stratified into two groups based on baseline plasma alanine aminotransferase (ALT) levels (as a marker of liver injury)...
February 6, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28157708/fm807-a-curcumin-analogue-shows-potent-antitumor-effects-in-nasopharyngeal-carcinoma-cells-by-heat-shock-protein-90-inhibition
#8
Min Ye, Wei Huang, Wen-Wei Wu, Yang Liu, Sheng-Nan Ye, Jian-Hua Xu
Nasopharyngeal carcinoma (NPC) is an epithelial malignancy usually associated with overexpression of both epidermal growth factor receptor (EGFR) and β-catenin. FM807 is a novel curcumin analogue with antitumor activity against both poorly and well-differentiated NPC cell lines as well as good selectivity for tumor cells. FM807 actions were shown to include inhibition of cell growth, induction of necrotic/late apoptotic cell death, and G1 arrest in NPC cells. Crucially, it exhibited potent antitumor effects both in vitro and in vivo...
February 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28153771/b-cell-function-gene-mutations-in-diffuse-large-b-cell-lymphoma-a-retrospective-cohort-study
#9
Peng-Peng Xu, Hui-Juan Zhong, Yao-Hui Huang, Xiao-Dong Gao, Xia Zhao, Yang Shen, Shu Cheng, Jin-Yan Huang, Sai-Juan Chen, Li Wang, Wei-Li Zhao
Diffuse large B-cell lymphoma (DLBCL) is a heterogeneous subtype of non-Hodgkin lymphoma. In addition to clinical and immunophenotypic characteristics, recurrent gene mutations have recently been identified in patients with DLBCL using next-generation sequencing technologies. The aim of this study is to investigate the clinical relevance of B-cell function gene mutations in DLBCL. Clinical analysis was performed on 680 Chinese DLBCL patients (146 non-CR and 534 CR cases) treated with six cycles of 21-day R-CHOP (Rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone), alone or followed by two additional doses of rituximab consolidation on patients' own intention...
January 21, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28122052/a-comparison-of-rna-seq-results-from-paired-formalin-fixed-paraffin-embedded-and-fresh-frozen-glioblastoma-tissue-samples
#10
Anna Esteve-Codina, Oriol Arpi, Maria Martinez-García, Estela Pineda, Mar Mallo, Marta Gut, Cristina Carrato, Anna Rovira, Raquel Lopez, Avelina Tortosa, Marc Dabad, Sonia Del Barco, Simon Heath, Silvia Bagué, Teresa Ribalta, Francesc Alameda, Nuria de la Iglesia, Carmen Balaña
The molecular classification of glioblastoma (GBM) based on gene expression might better explain outcome and response to treatment than clinical factors. Whole transcriptome sequencing using next-generation sequencing platforms is rapidly becoming accepted as a tool for measuring gene expression for both research and clinical use. Fresh frozen (FF) tissue specimens of GBM are difficult to obtain since tumor tissue obtained at surgery is often scarce and necrotic and diagnosis is prioritized over freezing. After diagnosis, leftover tissue is usually stored as formalin-fixed paraffin-embedded (FFPE) tissue...
2017: PloS One
https://www.readbyqxmd.com/read/28078129/osteonecrosis-of-the-jaw-associated-with-ziv-aflibercept
#11
Hani Mawardi, Peter Enzinger, Nadine McCleary, Reshma Manon, Alessandro Villa, Nathaniel Treister, Sook-Bin Woo
Medication-related osteonecrosis of the jaw (MRONJ) has been associated with medications that include bisphosphonates (BPs), denosumab, bevacizumab and sunitinib. Ziv-aflibercept is a recombinant human vascular endothelial growth factor (VEGF) receptor which has been used to treat patients with various advanced solid tumors. We report three patients without a history of the use of medications known to cause MRONJ presenting with jaw osteonecrosis typical for MRONJ following therapy with ziv-aflibercept. All patients had metastatic gastrointestinal cancer treated with ziv-aflibercept and were evaluated for MRONJ because of exposed bone in the oral cavity...
December 2016: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28062909/paediatric-anti-neutrophil-cytoplasmic-antibody-anca-associated-vasculitis-an-update-on-renal-management
#12
REVIEW
Lucy A Plumb, Louise Oni, Stephen D Marks, Kjell Tullus
The anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitides (AAV) are a group of disorders characterized by necrotizing inflammation of the small to medium vessels in association with autoantibodies against the cytoplasmic region of the neutrophil. Included in this definition are granulomatosis with polyangiitis (GPA, formerly known as Wegener's granulomatosis), microscopic polyangiitis (MPA) and eosinophilic granulomatosis with polyangiitis (formerly known as Churg-Strauss syndrome). AAV are chronic, often relapsing diseases that can be organ or life threatening...
January 6, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28052874/inhibition-of-hdac6-protects-against-rhabdomyolysis-induced-acute-kidney-injury
#13
Shi Yingfeng, Xu Liuqing, Tang Jinhua, Fang Lu, Ma Shuchen, Ma Xiaoyan, Nie Jing, Pi Xiaoling, Qiu Andong, Zhuang Shougang, Liu Na
Histone deacetylase 6 (HDAC6) inhibition has been reported to protect against ischemic stroke and prolong survival after sepsis in animal models. However, it remains unknown whether HDAC6 inhibition offers a renoprotective effect after acute kidney injury (AKI). In this study, we examined the therapeutic effect of tubastatin A (TA), a highly selective inhibitor of HDAC6, on AKI in a murine model of glycerol (GL) injection-induced rhabdomyolysis. Following GL injection, the mice developed severe acute tubular injury as indicated by renal dysfunction, expression of neutrophil gelatinase-associated lipocalin (NGAL), an injury marker of renal tubules and increase of TUNEL positive tubular cells...
January 4, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27981598/anti-tnf-%C3%AE-for-necrotizing-sarcoid-granulomatosis-of-the-liver
#14
Marcial Sebode, Sören Weidemann, Malte Wehmeyer, Ansgar W Lohse, Christoph Schramm
We present a case of hepatosplenic necrotizing sarcoid granulomatosis, a variant form of "classical" sarcoidosis, that became clinically apparent in the form of multiple hepatic and splenic masses mimicking malignancy. Flow cytometry of intrahepatic T cells isolated from liver biopsy led to the targeted treatment with anti-tumor necrosis factor-alpha (TNF-α) which was highly effective in inducing remission. This article is protected by copyright. All rights reserved.
December 16, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27940163/synergistic-antitumor-efficacy-of-redox-and-ph-dually-responsive-micelleplexes-for-co-delivery-of-camptothecin-and-genes
#15
Maohua Chen, Yun Zhang, Zhoujiang Chen, Songzhi Xie, Xiaoming Luo, Xiaohong Li
: Challenges remain to load and deliver two or multiple drugs of complementary effects for synergistic cancer therapies. In the current study, multiarmed amphiphilic copolymers of 4-arm poly(ethylene glycol) (PEG) and polyaspartate (PAsp) are created for conjugation of camptothecin (CPT) and condensation with tumor necrosis factor-α (TNF) plasmids. Diethylenetriamine (DET) is grafted on PAsp, and CPT is conjugated onto PAsp(DET) by disulfide linkages to form hydrophobic cores of micelles, followed by condensation with TNF plasmids to form micelleplexes...
December 7, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27930350/toll-like-receptor-tlr-4-and-myd88-are-essential-for-atheroprotection-by-peritoneal-b1a-b-cells
#16
Hamid Hosseini, Yi Li, Peter Kanellakis, Christopher Tay, Anh Cao, Edgar Liu, Karlheinz Peter, Peter Tipping, Ban-Hock Toh, Alex Bobik, Tin Kyaw
BACKGROUND: We previously identified peritoneal B1a cells that secrete natural IgM as a key atheroprotective B cell subset. However, the molecules that activate atheroprotective B1a cells are unknown. Here, we investigated whether Toll-like receptors (TLRs) TLR2, TLR4, and TLR9 expressed by B1a cells are required for IgM-mediated atheroprotection. METHODS AND RESULTS: We adoptively transferred B1a cells from wild-type mice or from mice deficient in TLR2, TLR4, TLR9, or myeloid differentiation primary response 88 (MyD88) into ApoE(-/-) mice depleted of peritoneal B1a cells by splenectomy and fed a high-fat diet for 8 weeks...
November 14, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27858493/sp110b-controls-host-immunity-and-susceptibility-to-tuberculosis
#17
Jia-Shiun Leu, Mei-Ling Chen, So-Yi Chang, Sung-Liang Yu, Chia-Wei Lin, Hsuan Wang, Wan-Chen Chen, Chin-Hao Chang, Jann-Yuan Wang, Li-Na Lee, Chong-Jen Yu, Igor Kramnik, Bo-Shiun Yan
RATIONALE: How host genetic factors affect Mycobacterium tuberculosis (Mtb) infection outcomes remains largely unknown. SP110b, an IFN-induced nuclear protein, is the nearest human homologue to the mouse Ipr1 protein that has been shown to control host innate immunity to Mtb infection. However, the function(s) of SP110b remains unclear. OBJECTIVES: To elucidate the role of SP110b in controlling host immunity and susceptibility to tuberculosis (TB), as well as to identify the fundamental immunological and molecular mechanisms affected by SP110b...
February 1, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27849634/inflammation-and-apoptosis-dual-mediator-role-for-toll-like-receptor-4-in-the-development-of-necrotizing-enterocolitis
#18
Yin Zhou, Yibo Li, Bin Zhou, Keling Chen, Zhaoying Lyv, Dongmei Huang, Bin Liu, Zhicheng Xu, Bo Xiang, Shuguang Jin, Xiaofeng Sun, Yuan Li
BACKGROUND: Necrotizing enterocolitis (NEC) is the leading cause of neonatal gastrointestinal mortality; effective interventions are lacking with limited understanding of the pathogenesis of NEC. The importance of Toll-like receptor 4 (TLR4) signaling in NEC is well documented; however, the potential mechanisms that regulate enterocyte inflammation and apoptosis remain unclear. The aim of this study was to characterize the role of TLR4-mediated inflammation and apoptosis in the development of NEC and to determine the major apoptotic pathways and regulators in the process...
January 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/27830885/the-protective-role-of-melatonin-on-l-arginine-induced-acute-pancreatitis-in-adult-male-albino-rats
#19
Ahmed S Sadek, Rehab T Khattab
BACKGROUND: Acute pancreatitis (AP) is an inflammatory disease that has an increasing incidence worldwide. It is associated with high morbidity and mortality rates ranging from 15-40% in its severe form. Oxidative stress plays an important role in pancreatic acinar cell injury in case of AP. Melatonin is proven to have both antioxidant and anti-inflammatory effects. The aim of the work was to investigate the protective role of melatonin (Mel) against L-arginine (L-arg)-induced AP in adult male albino rats...
November 10, 2016: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/27821803/oncolytic-adenovirus-coexpressing-interleukin-12-and-shvegf-restores-antitumor-immune-function-and-enhances-antitumor-efficacy
#20
Hyo Min Ahn, Jin Woo Hong, Chae-Ok Yun
Tumor microenvironment is extremely immunosuppressive, preventing efficient induction of antitumor immunity. To overcome tumor-mediated immunosuppression and enhance the potency of immunogene therapy, oncolytic adenovirus (Ad) co-expressing interleukin (IL)-12 and vascular endothelial growth factor (VEGF)-specific short hairpin ribonucleic acid (shVEGF; RdB/IL12/shVEGF) was generated. Intratumoral injection of RdB/IL12/shVEGF induced a strong antitumor effect in an immune competent B16-F10 melanoma model. RdB/IL12/shVEGF restored immune surveillance function in tumor tissues and actively recruited immune cells by elevating the expression levels of IL-12 and interferon-γ...
November 4, 2016: Oncotarget
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