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https://www.readbyqxmd.com/read/28086911/enhanced-neuroinflammation-mediated-by-dna-methylation-of-the-glucocorticoid-receptor-triggers-cognitive-dysfunction-after-sevoflurane-anesthesia-in-adult-rats-subjected-to-maternal-separation-during-the-neonatal-period
#1
Yangzi Zhu, Yu Wang, Rui Yao, Ting Hao, Junli Cao, He Huang, Liwei Wang, Yuqing Wu
BACKGROUND: Mounting evidence indicates that children who experience abuse and neglect are prone to chronic diseases and premature mortality later in life. One mechanistic hypothesis for this phenomenon is that early life adversity alters the expression or functioning of the glucocorticoid receptor (GR) throughout the course of life and thereby increases sensitivity to inflammatory stimulation. An exaggerated pro-inflammatory response is generally considered to be a key cause of postoperative cognitive dysfunction (POCD)...
January 7, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28081383/inhibiting-effect-of-lithium-chloride-on-endotoxin-induced-uveitis-in-rats
#2
Shuo Yang, Shuo Yu, Xinli Liu, Jinyi Yu, Xiaosheng Zhang, Hong Lu
PURPOSE: To evaluate the anti-inflammatory effect of lithium chloride in endotoxin-induced uveitis. METHODS: A total of 200 Wistar rats were randomly divided into four groups: a control group; EIU group; LiCl-treated control group; and LiCl-treated lipopolysaccharide group. Clinical score, slit-lamp photography, hematoxylin and eosin (H&E) staining were used to determine the degree of inflammatory reaction. Level of glycogen synthase kinase3-beta and nuclear factor-kappa B p65 in iris-ciliary body was examined by western blot and RT-PCR...
January 12, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28079268/renoprotective-effect-of-hypericum-perforatum-against-diabetic-nephropathy-in-rats-insights-in-the-underlying-mechanisms
#3
Dalia M Abd El Motteleb, Dalia I Abd El Aleem
Oxidative stress and inflammation play a key role in the initiation and progression of diabetic nephropathy (DN). The present study aimed to investigate the possible protective effect of hypericum perforatum (HP) against DN. Rats were allocated into six groups; control: received normal saline, diabetic untreated (DM): received single dose of streptozotocin (STZ) after injection of nicotinamide (NA), gliclazide: received STZ,NA+ gliclazide (10mg/kg), DM+HP50, DM+HP100, DM+HP200:received STZ,NA and HP 50, 100, 200 mg/kg respectively...
January 12, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28078845/effect-of-low-energy-light-irradiation-by-light-emitting-diode-on-u937-cells
#4
G Spoto, V De Iuliis, M Petrini, V Flati, J Di Gregorio, D Vitale, M Caruso, V Dadorante, M Ciarmoli, I Robuffo, S Martinotti, E Toniato
Photobiomodulation (PBM) can induce a set of different biological modulators either in vitro or in vivo. Experimental evidence has highlighted the role of light effects on the mechanisms related to inflammation, apoptosis and autophagy. The goal of this project was the evaluation of PBM on U937, an established cell line of histiocytic lymphoma origin. Several aspects of modulation of proinflammatory pathways were analyzed and autophagic and proapoptotic mechanisms related to low laser light exposure of cells were studied...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28078083/over-expression-of-toll-like-receptor-2-up-regulates-heme-oxygenase-1-expression-and-decreases-oxidative-injury-in-dairy-goats
#5
Shoulong Deng, Kun Yu, Wuqi Jiang, Yan Li, Shuotian Wang, Zhuo Deng, Yuchang Yao, Baolu Zhang, Guoshi Liu, Yixun Liu, Zhengxing Lian
BACKGROUND: Mastitis, an infection caused by Gram-positive bacteria, produces udder inflammation and oxidative injury in milk-producing mammals. Toll-like receptor 2 (TLR2) is important for host recognition of invading Gram-positive microbes. Over-expression of TLR2 in transgenic dairy goats is a useful model for studying various aspects of infection with Gram-positive bacteria, in vivo. METHODS: We over-expressed TLR2 in transgenic dairy goats. Pam3CSK4, a component of Gram-positive bacteria, triggered the TLR2 signal pathway by stimulating the monocytes-macrophages from the TLR2-positive transgenic goats, and induced over-expression of activator protein-1 (AP-1), phosphatidylinositol 3-kinase (PI3K) and transcription factor nuclear factor kappa B (NF-κB) and inflammation factors downstream of the signal pathway...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28077578/novel-serine-176-phosphorylation-of-ybx1-activates-nf-%C3%AE%C2%BAb-in-colon-cancer
#6
Matthew Martin, Laiqing Hua, Benlian Wang, Han Wei, Lakshmi Prabhu, Antja-Voy Hartley, Guanglong Jiang, Yunlong Liu, Tao Lu
The Y box protein 1 (YBX1) is a well-known oncoprotein which has tumor promoting functions. YBX1 is widely considered to be an attractive therapeutic target in cancer. In order to develop novel therapeutics to target YBX1, it is of great importance to understand how YBX1 is finely regulated in cancer. Previously, we have shown that YBX1 could function as a tumor promoter through phosphorylation of its serine 165 (S165) residue, leading to the activation of the NF-[kappa]B signaling pathway (1). In this study, using mass spectrometry analysis, we discovered a quite distinct phosphorylation site, S176, on YBX1...
January 11, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28077321/camkii%C3%AE-subtypes-differentially-regulate-infarct-formation-following-ex-vivo-myocardial-ischemia-reperfusion-through-nf-%C3%AE%C2%BAb-and-tnf-%C3%AE
#7
Charles B B Gray, Takeshi Suetomi, Sunny Xiang, Erik A Blackwood, Christopher C Glembotski, Shigeki Miyamoto, B Daan Westenbrink, Joan Heller Brown
Deletion of Ca(2+/)calmodulin-dependent protein kinase II delta (CaMKIIδ) has been shown to protect against in vivo ischemia/reperfusion (I/R) injury. It remains unclear which CaMKIIδ isoforms and downstream mechanisms are responsible for the salutary effects of CaMKIIδ gene deletion. In this study we sought to compare the roles of the CaMKIIδB and CaMKIIδC subtypes and the mechanisms by which they contribute to ex vivo I/R damage. WT, CaMKIIδKO, and mice expressing only CaMKIIδB or δC were subjected to ex vivo global ischemia for 25min followed by reperfusion...
January 7, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28076319/impact-of-nutrition-on-pollutant-toxicity-an-update-with-new-insights-into-epigenetic-regulation
#8
Jessie B Hoffman, Michael C Petriello, Bernhard Hennig
Exposure to environmental pollutants is a global health problem and is associated with the development of many chronic diseases, including cardiovascular disease, diabetes and metabolic syndrome. There is a growing body of evidence that nutrition can both positively and negatively modulate the toxic effects of pollutant exposure. Diets high in proinflammatory fats, such as linoleic acid, can exacerbate pollutant toxicity, whereas diets rich in bioactive and anti-inflammatory food components, including omega-3 fatty acids and polyphenols, can attenuate toxicant-associated inflammation...
January 11, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28073078/trim52-a-nuclear-trim-protein-that-positively-regulates-the-nuclear-factor-kappa-b-signaling-pathway
#9
Wenchun Fan, Tingting Liu, Xiangmin Li, Yun Zhou, Mengge Wu, Xiaofang Cui, Huanchun Chen, Ping Qian
Emerging evidence suggests that TRIM family proteins play a crucial role in regulating the NF-κB signaling pathway. TRIM52 is a novel noncanonical antiviral TRIM gene with a unique expanded RING domain. Information on the biological function of TRIM52 is limited. Herein, we demonstrated TRIM52 involvement in NF-κB activation. We found that TRIM52 overexpression specifically activated the NF-κB signal. TRIM52 overexpression can significantly induce TNFα and IL-6 expression. We also found that the RING domain of TRIM52 was essential for its activation of the NF-κB signal...
January 7, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28069903/improvement-of-in-vitro-produced-bovine-embryo-treated-with-coa-a-under-heat-stressed-condition
#10
Imran Khan, Kyeong-Lim Lee, Lianguang Xu, Ayman Mesalam, Mmr Chowdhury, Myeong-Don Joo, Ihsan-Ul- Haq, Bushra Mirza, Il-Keun Kong
Heat stress has large effects on reproduction including conception rate in cattle. In this study, we examined the effects of coagulansin-A (coa-A), a steroidal lactone, on acquired thermo tolerance during in vitro production of bovine embryos. Oocytes were incubated in in vitro maturation (IVM) media with or without coa-A at two different temperatures, 40.5 °C and 42 °C, for 20 h. The treatment of coa-A significantly improved blastocyst development only at 40.5 °C (P < 0.05). Interestingly, immunofluorescence analysis demonstrated that coa-A induced heat shock protein 70 (HSP70) and phosphatidylinositol-3-kinase (PI3K), but significantly attenuated nuclear factor kappa B (NF-kB) and cyclooxygenase-2 (COX2)...
January 9, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28069582/human-apolipoprotein-a-i-exerts-a-prophylactic-effect-on-high-fat-diet-induced-atherosclerosis-via-inflammation-inhibition-in-a-rabbit-model
#11
Jiyang Li, Weina Wang, Lei Han, Meiqing Feng, Hui Lu, Li Yang, Xiangxiang Hu, Si Shi, Shanshan Jiang, Qian Wang, Li Ye
Apolipoprotein A-I (apoA-I) is the major functional protein fraction of high-density lipoprotein. The prophylactic effect and mechanism of human apoA-I on atherosclerosis (AS) were investigated in a high-fat diet-induced AS rabbit model. The rabbits were injected with apoA-I once a week while fed high-fat diet for 20 weeks. Our results showed that apoA-I could raise the serum level of high-density lipoprotein-cholesterol and reduce those of lipid total cholesterol, triglyceride, and low-density lipoprotein-cholesterol in AS rabbits...
January 8, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28069440/inter-and-intra-cellular-mechanism-of-nf-kb-dependent-survival-advantage-and-clonal-expansion-of-radio-resistant-cancer-cells
#12
Hui Yu, Natarajan Aravindan, Ji Xu, Mohan Natarajan
Understanding the underlying mechanism by which cancer cells acquire resistance to radiation and favorably selected for its clonal expansion will provide molecular insight into tumor recurrence at the treatment site. In the present study, we investigated the molecular mechanisms prompted in MCF-7 breast cancer cells in response to clinical radiation and the associated coordination of intra- and inter-cellular signaling that orchestrate radio-resistance and tumor relapse/recurrence. Our findings showed that 2 or 10Gy of (137)Cs γ-rays at a dose rate of 1...
January 6, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28068646/sclareol-ameliorate-lipopolysaccharide-induced-acute-lung-injury-through-inhibition-of-mapk-and-induction-of-ho-1-signaling
#13
Yung-Hung Hsieh, Jeng-Shyan Deng, Hsin-Pao Pan, Jung-Chun Liao, Shyh-Shyun Huang, Guan-Jhong Huang
Sclareol is a natural fragrance compound that is used widely in the cosmetic and food industries. This study examined the effect of sclareol on lipopolysaccharide (LPS)-induced acute lung injury (ALI) in mice. Mice were treated with sclareol 1h before an intratracheal (I.T.) LPS challenge to induce an ALI model. The effects on lung tissue and lung injury were evaluated 6h after LPS induction. Pretreatment with sclareol noticeably improved the LPS-induced histological alterations and edema in lung tissue. Sclareol also inhibited the release of pro-inflammatory mediators...
January 6, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28066942/antioxidant-status-and-expression-of-inflammatory-genes-in-gut-and-liver-of-piglets-fed-different-dietary-methionine-concentrations
#14
J O Zeitz, S Kaltenböck, E Most, K Eder
This study investigated the hypothesis that dietary concentrations of methionine (Met), as a precursor of cysteine which is a constituent of glutathione (GSH), affect tissue antioxidant concentrations and the antioxidant defence system in pigs. Forty-five piglets (DanZucht × Pietrain) were allotted to three groups of similar mean body weight (11.0 ± 0.9 kg). The basal diet was composed of barley, wheat, corn starch, soybean oil, sucrose, cellulose and a mineral supplement with suboptimal concentrations of Met and was supplemented with dl-Met to reach 0...
January 8, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28066135/ameliorative-effects-of-atractylodin-on-intestinal-inflammation-and-co-occurring-dysmotility-in-both-constipation-and-diarrhea-prominent-rats
#15
Changchun Yu, Yongjian Xiong, Dapeng Chen, Yanli Li, Bin Xu, Yuan Lin, Zeyao Tang, Chunling Jiang, Li Wang
Intestinal disorders often co-occur with inflammation and dysmotility. However, drugs which simultaneously improve intestinal inflammation and co-occurring dysmotility are rarely reported. Atractylodin, a widely used herbal medicine, is used to treat digestive disorders. The present study was designed to characterize the effects of atractylodin on amelioration of both jejunal inflammation and the co-occurring dysmotility in both constipation-prominent (CP) and diarrhea-prominent (DP) rats. The results indicated that atractylodin reduced proinflammatory cytokines TNF-α, IL-1β, and IL-6 in the plasma and inhibited the expression of inflammatory mediators iNOS and NF-kappa B in jejunal segments in both CP and DP rats...
January 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28066106/modulation-of-hippocampal-gene-expression-of-microrna-146a-microrna-155-nuclear-factor-kappa-b-inflammatory-signaling-by-troxerutin-in-healthy-and-diabetic-rats
#16
Raana Yavari, Reza Badalzadeh, Mohammad Reza Alipour, Seyed Mahmoud Tabatabaei
OBJECTIVES: Inflammation plays a critical role in the progression of diabetic complications such as neurological disorders. Previous reports have indicated the memory-improving effect of troxerutin, in rat hippocampus, but the underlying mechanisms are unclear. Hence, we have investigated the effect of troxerutin pretreatment on gene expressions of inflammation-related microRNAs (miRs), miR-146a and miR-155, and nuclear factor-kappa B (NF-κB) signaling pathway in the hippocampus of healthy and diabetic rats...
November 2016: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/28063998/inhibiting-ros-nf-%C3%AE%C2%BAb-dependent-autophagy-enhanced-brazilin-induced-apoptosis-in-head-and-neck-squamous-cell-carcinoma
#17
Zhi-Jing He, Fei-Ya Zhu, Shi-Sheng Li, Liang Zhong, Hong-Yu Tan, Kai Wang
Autophagy modulation has been considered a potential therapeutic strategy for head and neck squamous cell carcinoma (HNSCC). A previous study confirmed that brazilin might possess significant anti-carcinogenic activity. However, whether brazilin induces autophagy and its roles in cell death in HNSCC are still unclear. In this study, we have shown that brazilin induced significant apoptosis in the Cal27 HNSCC cell line but not in oral keratinocyte cell line (OKC). In addition to showing apoptosis induction, we demonstrated the brazilin-induced autophagic response in the Cal27 cells, as evidenced by the formation of GFP-LC3 puncta, and also showed the upregulation of LC3-II and Beclin-1...
January 4, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28061403/berberine-ameliorates-intrahippocampal-kainate-induced-status-epilepticus-and-consequent-epileptogenic-process-in-the-rat-underlying-mechanisms
#18
Reza Sedaghat, Yosra Taab, Zahra Kiasalari, Siamak Afshin-Majd, Tourandokht Baluchnejadmojarad, Mehrdad Roghani
Status epilepticus (SE) is a life-threatening neurologic condition, instigating epileptogenesis to transform normal brain to an epileptic condition. SE is followed by spontaneous recurrent seizures (SRS) and final development of temporal lobe epilepsy (TLE) that is resistant to treatment. Neuroprotective strategies are increasingly put forward as a promising therapy to prevent and/or manage epileptic conditions. In this study, we investigated whether berberis alkaloid, i.e. berberine (BBR), could ameliorate intrahippocampal kainate-induced SE and its consequent epileptogenic process and to explore some underlying mechanisms...
January 3, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28054961/the-in-vitro-and-in-vivo-anti-inflammatory-effects-of-a-phthalimide-ppar-%C3%AE-agonist
#19
Mingzhi Su, Jiafu Cao, Jin Huang, Sen Liu, Dong Soon Im, Jin-Wook Yoo, Jee H Jung
Previously, the authors found that 4-hydroxy-2-(4-hydroxyphenethyl) isoindoline-1,3-dione (PD1) (a phthalimide analogue) bound to and activated peroxisome proliferator-activated receptor-γ (PPAR-γ). Since PPAR-γ suppresses inflammatory responses, the present study was undertaken to investigate the anti-inflammatory effects of PD1. In lipopolysaccharide (LPS)-stimulated murine RAW264.7 macrophages, PD1 suppressed the inductions of pro-inflammatory factors, including inducible nitric oxide synthase (iNOS), nitric oxide (NO), cyclooxygenase 2 (COX-2), tumor necrosis factor α (TNF-α), interleukin-1β (IL-1β), and interleukin-6 (IL-6)...
January 4, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28054265/assessment-of-arsenic-trioxide-in-the-heart-of-gallus-gallus-alterations-of-oxidative-damage-parameters-inflammatory-cytokines-and-cardiac-enzymes
#20
Si-Wen Li, Xiao Sun, Ying He, Ying Guo, Hong-Jing Zhao, Zhi-Jun Hou, Ming-Wei Xing
The aim of this study was to assess the effects of arsenic trioxide (As2O3) in the chicken heart, and 72 1-day-old male Hy-line chickens were fed either a commercial diet (C group) or an arsenic supplement diet containing 7.5 mg/kg (L group), 15 mg/kg (M group), or 30 mg/kg (H group) As2O3 for 90 days. The results showed that exposure to As2O3 merely lowered (P < 0.05) the activities of catalase (CAT) and glutathione peroxidase (GSH-Px) in M and H groups at 90 days, significantly downregulated the inhibition ability of hydroxyl radicals (OH·), and upregulated (P < 0...
January 4, 2017: Environmental Science and Pollution Research International
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