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https://www.readbyqxmd.com/read/29045935/emodinol-ameliorates-urate-nephropathy-by-regulating-renal-organic-ion-transporters-and-inhibiting-immune-inflammatory-responses-in-rats
#1
Hui Wu, Mengze Zhou, Guo Lu, Zhonglin Yang, Hui Ji, Qinghua Hu
Emodinol, 1β, 3β, 23-trihydroxyolean-12-en-28-acid, as the main active ingredient firstly extracted from the rhizomes of Elaeagus pungens by our Research Group, was identified with apparent uricosuric and nephroprotective effects in hyperuricemia mice in our previous study. This study aimed to investigate the renal protective effect of emodinol in urate nephropathy rats. Rats were orally administrated by combined adenine and ethambutol to induce urate nephropathy. Emodinol at various doses were administered intragastrically to urate nephropathy rats daily...
October 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29042205/postnatal-administration-of-memantine-rescues-tnf-%C3%AE-induced-decreased-hippocampal-precursor-proliferation
#2
Zhongke Wang, Xie He, Xiaotang Fan
Pro-inflammatory cytokine exposure in early postnatal life triggers clear neurotoxic effects on the developing hippocampus. Tumor necrosis factor alpha (TNF-α) is one of the inflammatory mediators and is a potent inhibitor of neurogenesis. Memantine (MEM) is an uncompetitive N-methyl-D-aspartate (NMDA) receptor antagonist that has been demonstrated to increase the proliferation of hippocampal progenitor cells. However, the effects of MEM on TNF-α-mediated impairment of hippocampal precursor proliferation remain unclear...
October 14, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29038027/tumor-necrosis-factor-alpha-and-soluble-tnf-alpha-receptor-responses-in-young-vs-middle-aged-males-following-eccentric-exercise
#3
Eliott Arroyo, Adam J Wells, Joseph A Gordon, Alyssa N Varanoske, Yftach Gepner, Nicholas A Coker, David D Church, David H Fukuda, Jeffrey R Stout, Jay R Hoffman
BACKGROUND: Tumor necrosis factor-alpha (TNF-α) has been shown to be implicated in both muscle regeneration and muscle wasting. However, it remains unclear whether TNF-α is responsible for the age-related losses in muscle size and function. Also, due to the high clearance rate of TNF-α from circulation, analyzing the circulating levels of soluble TNF-α receptors 1 and 2 (STNFR1 and STNFR2) may provide a better indication of inflammatory events. The aim of this study was to examine changes in circulating concentrations of TNF-α, STNFR1, and STNFR2 following acute eccentric exercise in young (YA) and middle-aged (MA) men...
October 13, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28987965/emerging-targets-in-cancer-immunotherapy
#4
REVIEW
Samantha Burugu, Amanda R Dancsok, Torsten O Nielsen
The first generation of immune checkpoint inhibitors (anti-CTLA-4 and anti-PD-1/PD-L1) targeted natural immune homeostasis pathways, co-opted by cancers, to drive anti-tumor immune responses. These agents led to unprecedented results in patients with previously incurable metastatic disease and may become first-line therapies for some advanced cancers. However, these agents are efficacious in only a minority of patients. Newer strategies are becoming available that target additional immunomodulatory mechanisms to activate patients' own anti-tumor immune responses...
October 5, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28980001/therapeutic-effects-of-ppar%C3%AE-agonist-on-ocular-neovascularization-in-models-recapitulating-neovascular-age-related-macular-degeneration
#5
Fangfang Qiu, Greg Matlock, Qian Chen, Kelu Zhou, Yanhong Du, Xiang Wang, Jian-Xing Ma
Purpose: This study was designed to evaluate effects of fenofibric acid (Feno-FA), a peroxisome proliferator-activated receptor-alpha (PPARα) agonist, on ocular neovascularization (NV) in models recapitulating neovascular age-related macular degeneration (AMD), and to explore whether the effects are PPARα dependent. Methods: Laser-induced choroidal NV (CNV) in rats and very low-density lipoprotein receptor knockout (Vldlr-/-) mice received daily intraperitoneal injections of Feno-FA or vehicle...
October 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28978869/vitamin-d-receptor-gene-variation-dietary-intake-and-bone-mineral-density-in-obese-women-a-cross-sectional-study
#6
Sajjad Moradi, Leila Khorrami-Nezhad, Zhila Maghbooli, Banafshe Hosseini, Seyed Ali Keshavarz, Khadijeh Mirzaei
Osteoporosis and fragility fractures have been regarded as important public health concerns. We investigated their possible association with vitamin D receptor (VDR) FOK1 polymorphisms (rs10735810) and dietary parameters such as calcium and vitamin D intake. A total of 264 Iranian obese women (BMI>30 kg/m(2)) were categorized based on the FOK1 genotype and divided into two groups: group one with the FF genotype (n=184) and the f allele carrier group with the Ff or ff genotype (n=80). The body composition, dietary intake and bone mineral density were assessed for all cases...
2017: Journal of Nutritional Science and Vitaminology
https://www.readbyqxmd.com/read/28978468/host-micrornas-221-and-222-inhibit-hiv-1-entry-in-macrophages-by-targeting-the-cd4-viral-receptor
#7
Robert Lodge, Jérémy A Ferreira Barbosa, Félix Lombard-Vadnais, Julian C Gilmore, Alexandre Deshiere, Annie Gosselin, Tomas Raul Wiche Salinas, Mariana G Bego, Christopher Power, Jean-Pierre Routy, Petronela Ancuta, Michel J Tremblay, Éric A Cohen
Macrophages are heterogeneous immune cells with distinct origins, phenotypes, functions, and tissue localization. Their susceptibility to HIV-1 is subject to variations from permissiveness to resistance, owing in part to regulatory microRNAs. Here, we used RNA sequencing (RNA-seq) to examine the expression of >400 microRNAs in productively infected and bystander cells of HIV-1-exposed macrophage cultures. Two microRNAs upregulated in bystander macrophages, miR-221 and miR-222, were identified as negative regulators of CD4 expression and CD4-mediated HIV-1 entry...
October 3, 2017: Cell Reports
https://www.readbyqxmd.com/read/28969030/transmembrane-tnf-%C3%AE-promotes-activation-induced-cell-death-by-forward-and-reverse-signaling
#8
Meng Zhang, Jing Wang, Lingwei Jia, Jin Huang, Cheng He, Fuqing Hu, Lifei Yuan, Guihua Wang, Mingxia Yu, Zhuoya Li
Secretory tumor necrosis factor-alpha (sTNF-α) is known to mediate activation- induced cell death (AICD). However, the role of tmTNF-α in AICD is still obscure. Here, we demonstrated that tmTNF-α expression significantly increased accompanied with enhanced apoptosis during AICD in Jurkat and primary human T cells. Knockdown or enhancement of tmTNF-α expression in activated T cells suppressed or promoted AICD, respectively. Treatment of activated T cells with exogenous tmTNF-α significantly augmented AICD, indicating that tmTNF-α as an effector molecule mediates AICD...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28967976/highlighting-interleukin-36-signalling-in-plaque-psoriasis-and-pustular-psoriasis
#9
Kazuhisa Furue, Kazuhiko Yamamura, Gaku Tsuji, Chikage Mitoma, Hiroshi Uchi, Takeshi Nakahara, Makiko Kido-Nakahara, Takafumi Kadono, Masutaka Furue
Plaque psoriasis and pustular psoriasis are overlapping, but distinct, disorders. The therapeutic response to biologics supports the pivotal role of the tumour necrosis alpha (TNF-α)/ interleukin (IL)-23/IL-17/IL-22 axis in the pathogenesis of these disorders. Recently, functional activation of the IL-36 receptor (IL-36R) was discovered to be another driving force in the pathogenesis of psoriasis. This was first highlighted by the discovery that a loss-of-function mutation of the IL-36R antagonist (IL-36Ra) causes pustular psoriasis...
October 2, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28958685/saikosaponin-a-attenuates-perimenopausal-depression-like-symptoms-by-chronic-unpredictable-mild-stress
#10
Xue-Qin Chen, Shu-Jiao Chen, Wen-Na Liang, Miao Wang, Cheng-Fu Li, Shuang-Shuang Wang, Shu-Qi Dong, Li-Tao Yi, Can-Dong Li
Accumulating studies have shown that a traditional Chinese decoction Chaihu-Shugan-San produced the antidepressant-like effects in rodents including in perimenopausal. Previous studies and our preliminary study indicated that saikosaponin A, one of the main constituents of Chaihu-Shugan-San, enhanced brain-derived neurotrophic factor (BDNF) expression in rats. Herein, this study aimed to evaluate the antidepressant-like effects of saikosaponin A in perimenopausal rats exposed to chronic unpredictable mild stress (CUMS)...
September 25, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28949260/the-effects-of-coenzyme-q10-supplementation-on-gene-expression-related-to-insulin-lipid-and-inflammation-in-patients-with-polycystic-ovary-syndrome
#11
Elham Rahmani, Mehri Jamilian, Mansooreh Samimi, Maryam Zarezade Mehrizi, Esmat Aghadavod, Elmira Akbari, Omid Reza Tamtaji, Zatollah Asemi
OBJECTIVE: This research was conducted to assess the effects of coenzyme Q10 (CoQ10) intake on gene expression related to insulin, lipid and inflammation in subjects with polycystic ovary syndrome (PCOS). METHODS: This randomized double-blind, placebo-controlled trial was conducted on 40 subjects diagnosed with PCOS. Subjects were randomly allocated into two groups to intake either 100 mg CoQ10 (n = 20) or placebo (n = 20) per day for 12 weeks. Gene expression related to insulin, lipid and inflammation were quantified in blood samples of PCOS women with RT-PCR method...
September 26, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28940886/higher-order-structures-of-adalimumab-infliximab-and-their-complexes-with-tnf%C3%AE-revealed-by-electron-microscopy
#12
Bich Ngoc Tran, Siew Leong Chan, Chloe Ng, Jian Shi, Ivan Correia, Czeslaw Radziejewski, Paul Matsudaira
Adalimumab and Infliximab are recombinant IgG1 monoclonal antibodies (mAbs) that bind and neutralize human tumor necrosis factor alpha (TNFα). TNFα forms a stable homotrimer with unique surface-exposed sites for Adalimumab, Infliximab and TNF receptor binding. Here, we report the structures of Adalimumab-TNFα and Infliximab-TNFα complexes modeled from negative stain EM and cryo-EM images. EM images reveal complex structures consisting of 1:1, 1:2, 2:2 and 3:2 complexes of Adalimumab-TNFα and Infliximab-TNFα...
September 22, 2017: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/28938560/inflammatory-factor-tnf-%C3%AE-promotes-the-growth-of-breast-cancer-via-the-positive-feedback-loop-of-tnfr1-nf-%C3%AE%C2%BAb-and-or-p38-p-stat3-hbxip-tnfr1
#13
Xiaoli Cai, Can Cao, Jiong Li, Fuquan Chen, Shuqin Zhang, Bowen Liu, Weiying Zhang, Xiaodong Zhang, Lihong Ye
In the connection between inflammation and cancer development, tumor necrosis factor-alpha (TNF-α) contributes to the tumorigenesis. However, the underlying mechanism remains poorly understood. In this study, we report that TNF-α enhances the growth of breast cancer through up-regulation of oncoprotein hepatitis B X-interacting protein (HBXIP). Our data showed that the levels of TNF-α were positively related to those of HBXIP in clinical breast cancer tissues. Moreover, TNF-α could up-regulate HBXIP in breast cancer cells...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28937875/multiplex-cytokine-analysis-of-aqueous-humor-from-the-patients-with-chronic-primary-angle-closure-glaucoma
#14
Roopam Duvesh, George Puthuran, Kavitha Srinivasan, Venkatesh Rengaraj, S R Krishnadas, Sharmila Rajendrababu, Vijayakumar Balakrishnan, Pradeep Ramulu, Periasamy Sundaresan
PURPOSE: To compare the levels of cytokines and growth factor in aqueous humor of the patients with chronic primary angle closure glaucoma (PACG) and cataract. METHODS: Aqueous humor samples were collected from 19 chronic PACG patients and compared with 14 nonglaucomatous controls presenting for cataract surgery. The levels of 27 cytokines and growth factors were measured in the aqueous samples using multiplex bead immunoassay and compared across groups. RESULTS: Significantly higher levels of interleukin (IL)-8 (p < 0...
September 22, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28932959/the-role-and-regulation-of-the-11-beta-hydroxysteroid-dehydrogenase-enzyme-system-in-patients-with-inflammatory-bowel-disease
#15
M Hussey, G Holleran, S Smith, Mark Sherlock, D McNamara
INTRODUCTION: Glucocorticoids are known to modulate a number of immunological responses including counteracting inflammation. Within tissues expressing the glucocorticoid and mineralocorticoid receptors including the colon, glucocorticoid metabolism is regulated by the isoenzymes of 11ß-hydroxysteroid dehydrogenase (11β-HSD). 11β-HSD1 acts as an oxidoreductase converting inactive cortisone into active cortisol, while 11β-HSD2 acts as a dehydrogenase converting active cortisol to inactive cortisone...
September 20, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28932183/plant-polyphenols-and-exendin-4-prevent-hyperactivity-and-tnf-%C3%AE-release-in-lps-treated-in-vitro-neuron-astrocyte-microglial-networks
#16
Francesca Gullo, Michela Ceriani, Alessia D'Aloia, Enzo Wanke, Andrew Constanti, Barbara Costa, Marzia Lecchi
Increasing evidence supports a decisive role for neuroinflammation in the neurodegenerative process of several central nervous system (CNS) disorders. Microglia are essential mediators of neuroinflammation and can regulate a broad spectrum of cellular responses by releasing reactive oxygen intermediates, nitric oxide, proteases, excitatory amino acids, and cytokines. We have recently shown that also in ex-vivo cortical networks of neurons, astrocytes and microglia, an increased level of tumor necrosis factor-alpha (TNF-α) was detected a few hours after exposure to the bacterial endotoxin lipopolysaccharide (LPS)...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28930551/uremic-toxins-are-conditional-danger-or-homeostasis-associated-molecular-patterns
#17
Yu Sun, Candice Johnson, Jun Zhou, Luqiao Wang, Ya-Feng Li, Yifan Lu, Gayani Nanayakkara, Hangfei Fu, Ying Shao, Claudette Sanchez, William Y Yang, Xin Wang, Eric T Choi, Rongshan Li, Hong Wang, Xiao-Feng Yang
We mined novel uremic toxin (UT) metabolomics/gene databases, and analyzed the expression changes of UT receptors and UT synthases in chronic kidney disease (CKD) and cardiovascular disease (CVD). We made the following observations: 1) UTs represent only 1/80(th) of human serum small-molecule metabolome; 2) Some UTs are increased in CKD and CVD; 3) UTs either induce or suppress the expression of inflammatory molecules; 4) The expression of UT genes is significantly modulated in CKD patients, and coronary artery disease (CAD) patients; 5) The expression of UT genes is upregulated by caspase-1 and TNF-alpha pathways but is inhibited in regulatory T cells...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28929498/dog-skin-parasite-load-tlr-2-il-10-and-tnf-%C3%AE-expression-and-infectiousness
#18
D C M Pereira-Fonseca, F M Oliveira-Rovai, L A C Rodas, C A C Beloti, R B P Torrecilha, P K R K Ito, S V Avanço, R S Cipriano, Y T Utsunomiya, R M Hiramoto, L Calvo-Bado, O Courtenay, G F Machado, V M F Lima, C M Nunes
Visceral leishmaniosis is a zoonotic disease that is transmitted by Lutzomyia longipalpis sandflies. Dogs are the main peri-urban reservoir of the disease, and progression of canine leishmaniosis is dependent on the type of immune response elaborated against the parasite. Type 1 immunity is characterized by effective cellular response, with production of pro-inflammatory cytokines such as tumour necrosis factor alpha (TNF-α). In contrast, Type 2 immunity is predominantly humoral, associated with progression of the disease and mediated by anti-inflammatory cytokines such as interleukin 10 (IL-10)...
November 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28922437/molecular-biomarkers-as-predictors-for-biliary-complications-following-liver-transplantation-a-prospective-study
#19
Bogdan Dorobantu, Irinel Popescu, Simona Dima, Anca Nastase, Speranta Iacob
BACKGROUND: The biliary complications (BC) have been always considered the "Achilles' heel" of liver transplantation (LT), being one of the leading causes of postoperative morbidity. AIM: To analyse predictors of BC, by monitoring in the peripheral blood the biomarkers involved in the inflammation and hepatic fibrosis, such as the matrix metalloproteinases (MMP 2, 9) and their tissue inhibitors (TIMP1), the interleukins (IL 2, 8), alfa-TNF, the endothelins and their receptors...
September 2017: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/28922099/the-effects-of-probiotic-supplementation-on-gene-expression-related-to-inflammation-insulin-and-lipids-in-patients-with-multiple-sclerosis-a-randomized-double-blind-placebo-controlled-trial
#20
Omid Reza Tamtaji, Ebrahim Kouchaki, Mahmoud Salami, Esmat Aghadavod, Elmira Akbari, Maryam Tajabadi-Ebrahimi, Zatollah Asemi
BACKGROUND: Limited data are available assessing the effects of probiotic supplementation on gene expression related to inflammation, insulin, and lipids in patients with multiple sclerosis (MS). OBJECTIVES: The current study was conducted to assess the effects of probiotic supplementation on gene expression related to inflammation, insulin, and lipids in patients with MS. METHODS: This randomized, double-blind, placebo-controlled clinical trial was performed among 40 patients with MS...
September 18, 2017: Journal of the American College of Nutrition
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