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https://www.readbyqxmd.com/read/29150630/inhibition-of-myeloid-differentiation-primary-response-protein-88-provides-neuroprotection-in-early-brain-injury-following-experimental-subarachnoid-hemorrhage
#1
Huiying Yan, Dingding Zhang, Yongxiang Wei, Hongbin Ni, Weibang Liang, Huasheng Zhang, Shuangying Hao, Wei Jin, Kuanyu Li, Chun-Hua Hang
Accumulating of evidence suggests that activation of nuclear factor-kappa B (NF-κB) and mitogen-activated protein kinases (MAPKs) exacerbates early brain injury (EBI) following subarachnoid hemorrhage (SAH) by provoking pro-inflammatory and pro-apoptotic signaling. Myeloid differentiation primary response protein 88 (MyD88) is an endogenous adaptor protein in the toll-like receptors (TLRs) and interleukin (IL) -1β family signaling pathways and acts as a bottle neck in the NF-κB and MAPK pathways. Here, we used ST2825, a selective inhibitor of MyD88, to clarify whether inhibiting MyD88 could provide neuroprotection in EBI following SAH...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29149648/dried-plum-alleviates-symptoms-of-inflammatory-arthritis-in-tnf-transgenic-mice
#2
Faryal Mirza, Joseph Lorenzo, Hicham Drissi, Francis Y Lee, Do Y Soung
Dried plum (DP), a rich source of polyphenols has been shown to have bone-preserving properties in both animal models of osteoporosis and postmenopausal women. We evaluated if DP alleviated the destruction of joints in transgenic mice (TG) that overexpress human tumor necrosis factor (TNF), a genetic model of rheumatoid arthritis (RA). A four-week treatment of 20% DP diet in TG slowed the onset of arthritis and reduced bone erosions in the joints compared to TG on a regular diet. This was associated with fewer tartrate-resistant acid phosphatase (TRAP) positive cells, suggesting decreased osteoclastogenesis...
October 16, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29148537/adenomatoid-tumors-of-the-male-and-female-genital-tract-are-defined-by-traf7-mutations-that-drive-aberrant-nf-kb-pathway-activation
#3
Benjamin Goode, Nancy M Joseph, Meredith Stevers, Jessica Van Ziffle, Courtney Onodera, Eric Talevich, James P Grenert, Iwei Yeh, Boris C Bastian, Joanna J Phillips, Karuna Garg, Joseph T Rabban, Charles Zaloudek, David A Solomon
Adenomatoid tumors are the most common neoplasm of the epididymis, and histologically similar adenomatoid tumors also commonly arise in the uterus and fallopian tube. To investigate the molecular pathogenesis of these tumors, we performed genomic profiling on a cohort of 31 adenomatoid tumors of the male and female genital tracts. We identified that all tumors harbored somatic missense mutations in the TRAF7 gene, which encodes an E3 ubiquitin ligase belonging to the family of tumor necrosis factor receptor-associated factors (TRAFs)...
November 17, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29142418/marantodes-pumilum-blume-kuntze-inhibited-secretion-of-lipopolysaccharide-and-monosodium-urate-crystal-stimulated-cytokines-and-plasma-prostaglandin-e2
#4
Eldiza Puji Rahmi, Jamia Azdina Jamal, Endang Kumolosasi, Juriyati Jalil, Nor-Ashila Aladdin
Background: Marantodes pumilum is traditionally used for dysentery, gonorrhea, and sickness in the bones. Previous studies revealed its antibacterial and xanthine oxidase inhibitory activities. Objective: To evaluate the inhibitory effects of three M. pumilum varieties on the secretion of lipopolysaccharide (LPS)- and monosodium urate crystal (MSU)-induced cytokines and plasma prostaglandin E2 (PGE2) in vitro. Materials and Methods: The leaves and roots of M...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142404/chalepin-a-compound-from-ruta-angustifolia-l-pers-exhibits-cell-cycle-arrest-at-s-phase-suppresses-nuclear-factor-kappa-b-nf-%C3%AE%C2%BAb-pathway-signal-transducer-and-activation-of-transcription-3-stat3-phosphorylation-and-extrinsic-apoptotic-pathway-in-non-small-cell
#5
Jaime Stella Moses Richardson, Norhaniza Aminudin, Sri Nurestri Abd Malek
Background: Plants have been a major source of inspiration in developing novel drug compounds in the treatment of various diseases that afflict human beings worldwide. Ruta angustifolia L. Pers known locally as Garuda has been conventionally used for various medicinal purposes such as in the treatment of cancer. Objective: A dihydrofuranocoumarin named chalepin, which was isolated from the chloroform extract of the plant, was tested on its ability to inhibit molecular pathways of human lung carcinoma (A549) cells...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142399/the-effect-of-thymoquinone-on-nuclear-factor-kappa-b-levels-and-oxidative-dna-damage-on-experimental-diabetic-rats
#6
Ayşe Usta, Semiha Dede
Background: Thymoquinone (TQ), the basic bioactive phytochemical constituent of seed oil of Nigella sativa, is one of these herbal drugs known for antidiabetic effects. This study was carried out to assess the effects of the possible role of TQ on nuclear factor kappa B (NF-κB) and oxidative DNA damage levels in experimental diabetic rats. Materials and Methods: Twenty-eight male Wistar Albino rats (200-250 g) were used as experimental subjects. The rats were divided into four groups, including the control, control supplemented with TQ (CT), diabetic (D), and diabetic supplemented with TQ (DT), each containing seven rats...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29140265/anti-inflammatory-potential-of-1-nitro-2-phenylethylene
#7
Michelle A Sugimoto, Márcia de Jesus Amazonas da Silva, Larissa Froede Brito, Rosivaldo Dos Santos Borges, Flávio Almeida Amaral, Ana Paula de Araujo Boleti, Maritza Echevarria Ordoñez, Jose Carlos Tavares, Lirlandia Pires Sousa, Emerson Silva Lima
Inflammation is a reaction of the host to infectious or sterile stimuli and has the physiological purpose of restoring tissue homeostasis. However, uncontrolled or unresolved inflammation can lead to tissue damage, giving rise to a plethora of chronic inflammatory diseases, including metabolic syndrome and autoimmunity pathologies with eventual loss of organ function. Beta-nitrostyrene and its derivatives are known to have several biological activities, including anti-edema, vasorelaxant, antiplatelet, anti-inflammatory, and anticancer...
November 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29137729/the-shear-wave-elastic-modulus-and-the-increased-nuclear-factor-kappa-b-nf-kb-p65-and-cyclooxygenase-2-cox-2-expression-in-the-area-of-myofascial-trigger-points-activated-in-a-rat-model-by-blunt-trauma-to-the-vastus-medialis
#8
Hengyong Lv, Zhen Li, Tiantian Hu, Yuexiang Wang, Jinpeng Wu, Yingxin Li
We aimed to elucidate the increased inflammatory cytokines expression such as nuclear factor kappa B (NF-kB/p65), cyclooxygenase-2 (COX-2), and voltage-gated calcium channels (VGCC) in the area of activated myofascial trigger points (MTrPs) in a rat model by blunt trauma to the vastus medialis and to evaluate the feasibility of a quantitative analysis of muscle elastic modulus using shear wave elastography (SWE). Twelve 7-week-old male SD rats were divided into normal (NM, n = 6) and model groups (MO, n = 6)...
November 6, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29137196/high-expression-of-stat3-in-subcutaneous-adipose-tissue-associates-with-cardiovascular-risk-in-women-with-rheumatoid-arthritis
#9
Mitra Nadali, Rille Pullerits, Karin M E Andersson, Sofia Töyrä Silfverswärd, Malin C Erlandsson, Maria I Bokarewa
Despite the predominance of female patients and uncommon obesity, rheumatoid arthritis (RA) is tightly connected to increased cardiovascular morbidity. The aim of this study was to investigate transcriptional activity in the subcutaneous white adipose tissue (WAT) with respect to this disproportionate cardiovascular risk (CVR) in RA. CVR was estimated in 182 female patients, using the modified Systematic Coronary Risk Evaluation scale, and identified 93 patients with increased CVR. The overall transcriptional activity in WAT was significantly higher in patients with CVR and was presented by higher serum levels of WAT products leptin, resistin and IL-6 (all, p < 0...
November 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29136954/vaccaria-hypaphorine-impairs-rankl-induced-osteoclastogenesis-by-inhibition-of-erk-p38-jnk-and-nf-%C3%AE%C2%BAb-pathway-and-prevents-inflammatory-bone-loss-in-mice
#10
Hongxi Chen, Tongya Guo, Dianrong Wang, Rujie Qin
Osteoclasts are sole bone-resorbing cells which exert a profound effect on skeletal metabolism. The search for medicines that affect the differentiation and function of osteoclasts is crucial in developing therapies for osteoclast-based diseases. Vaccaria hypaphorine, the main active compound of the traditionally used Chinese herb Vaccaria segetalis, has anti-inflammatory activity. The present study demonstrated for the first time that vaccaria hypaphorine could significantly inhibit the receptor activator of nuclear factor kappa B ligand (RANKL)-induced osteoclastic differentiation in vitro and alleviate lipopolysaccharide (LPS)-induced bone loss in vivo...
November 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29132311/weighted-gene-co-expression-network-analysis-of-expression-data-of-monozygotic-twins-identifies-specific-modules-and-hub-genes-related-to-bmi
#11
Weijing Wang, Wenjie Jiang, Lin Hou, Haiping Duan, Yili Wu, Chunsheng Xu, Qihua Tan, Shuxia Li, Dongfeng Zhang
BACKGROUND: The therapeutic management of obesity is challenging, hence further elucidating the underlying mechanisms of obesity development and identifying new diagnostic biomarkers and therapeutic targets are urgent and necessary. Here, we performed differential gene expression analysis and weighted gene co-expression network analysis (WGCNA) to identify significant genes and specific modules related to BMI based on gene expression profile data of 7 discordant monozygotic twins. RESULTS: In the differential gene expression analysis, it appeared that 32 differentially expressed genes (DEGs) were with a trend of up-regulation in twins with higher BMI when compared to their siblings...
November 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29131698/the-anti-inflammatory-and-antioxidant-effects-of-salvia-officinalis-on-lipopolysaccharide-induced-inflammation-in-rats
#12
Umut Kerem Kolac, Mehmet Cengiz Ustuner, Neslihan Tekin, Derya Ustuner, Emine Colak, Emre Entok
Salvia officinalis, which has a high phenolic acid and flavonoid content, is a powerful antioxidant and anti-inflammatory herb. Inflammation plays an important role in the pathophysiology of many diseases and could cause damage by means of oxidative stress. The aim of this study was to investigate the anti-inflammatory and antioxidant activity of S. officinalis formed lipopolysaccharide (LPS)-induced experimental inflammation model. Four- to five-month-old 42 female Wistar albino rats were divided into six groups...
November 13, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29131027/microrna-194-regulates-lipopolysaccharide-induced-cell-viability-by-inactivation-of-nuclear-factor-%C3%AE%C2%BA-b-pathway
#13
Fei Xie, Lei Yang, Lili Han, Bin Yue
The present study explored the functional role of microRNA (miR)-194 in lipopolysaccharide (LPS) induced lung cell injury, along with the underlying mechanisms and to reveal the potential role in infantile pneumonia. Human fibroblasts WI38 cells were transfected with miR-194 mimic or miR-194 inhibitor, and the transfection efficiency was confirmed by quantitative real-time polymerase chain reaction (qRT-PCR). Thereafter, the cells were treated with or without LPS, and then cell viability, cell apoptosis and mRNA and protein expressions of key proteins of nuclear factor kappa B (NF-κB) pathway including inhibitor of NF-κB (IκB) α, p-65, and B-cell CLL/lymphoma (Bcl) 3 were analyzed...
October 31, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29129744/upregulation-of-aquaporin-3-expression-by-diterpenoids-in-euphorbia-pekinensis-is-associated-with-activation-of-the-nf-%C3%AE%C2%BAb-signaling-pathway-in-the-co-culture-system-of-ht-29-and-raw-264-7%C3%A2-cells
#14
Hongli Yu, Lian Liu, Kuilong Wang, Hao Wu, Wei Wang, Xingde Zhang, Guojing Cui, Xiaobing Cui, Jianyu Huang
This study was designed to evaluate the toxic effects of diterpenoids separated from the roots of Euphorbia pekinensis, a type of widely used traditional Chinese medicine. This herb has intestinal toxicity associated with its complex diterpenoids. In this study, the diterpenoids (pekinenin A, pekinenin C, pekinenin F, pekinenin G, yuexiandajisu A, (-)-(1S)-15-hydroxy-18-carboxycembrene) elevated the expression of interleukin 1 beta and tumor necrosis factor alpha in a dose-dependent manner at doses of 6.25, 12...
November 9, 2017: Biochimie
https://www.readbyqxmd.com/read/29127662/jnj7777120-ameliorates-inflammatory-and-oxidative-manifestations-in-a-murine-model-of-contact-hypersensitivity-via-modulation-of-tlr-and-nrf2-signaling
#15
Ahmed F Mohamed, Mohammed F El-Yamany, Fatma A El-Batrawy, Mohamed T Abdel-Aziz
JNJ7777120, a histamine H4 receptor antagonist, was shown to be effective in different experimental settings of allergic inflammation, including contact hypersensitivity. Toll-like receptors (TLRs) are thought to function as a link between innate and adaptive immune responses to various haptens. Here, we studied the suppression of TLR signaling as a possible mechanism by which JNJ7777120 exerts its anti-inflammatory effects against the chemical hapten, fluorescein isothiocyanate (FITC). The potential anti-oxidant effect of JNJ7777120 in this model was also examined...
November 10, 2017: Inflammation
https://www.readbyqxmd.com/read/29126931/phytochemical-allylguaiacol-exerts-a-neuroprotective-effect-on-hippocampal-cells-and-ameliorates-scopolamine-induced-memory-impairment-in-mice
#16
Hye-Sun Lim, Bu-Yeo Kim, Yu Jin Kim, Soo-Jin Jeong
Allylguaiacol is a phytochemical occurring in various plants such as cloves, cinnamon, basil, and nutmeg. Pharmacological effects of allylguaiacol include antimicrobial, anti-inflammatory, anticancer, antioxidant, and neuroprotective activity. Although allylguaiacol is considered to have neuroprotective effects, there is no report on its regulatory mechanisms at the molecular level. In the present study, we investigated the mechanisms of allylguaiacol as an antioxidant and neuroprotective agent using hydrogen peroxide (H2O2)-treated HT22 hippocampal cells...
November 7, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29122692/blockade-of-platelet-activating-factor-receptor-attenuates-abnormal-behaviors-induced-by-phencyclidine-in-mice-through-down-regulation-of-nf-%C3%AE%C2%BAb
#17
The-Vinh Tran, Se Jin Park, Eun-Joo Shin, Hai-Quyen Tran, Ji Hoon Jeong, Choon-Gon Jang, Yu Jeung Lee, Seung-Yeol Nah, Toshitaka Nabeshima, Hyoung-Chun Kim
Accumulating evidence suggests that neuroinflammation is one of the important etiologic factors of abusive and neuropsychiatric disorders. Platelet-activating factor (PAF) is potent proinflammatory lipid mediat1or and plays a pivotal role in neuroinflammatory disorders through the specific PAF receptor (PAF-R). Phencyclidine (PCP) induces a psychotomimetic state that closely resembles schizophrenia. Here, we investigated the role of PAF-R in the abnormal behaviors induced by PCP in mice. Repeated treatment with PCP resulted in a significant increase in PAF-R gene expression in the prefrontal cortex (PFC) and in the hippocampus...
November 6, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/29121947/interleukin-1%C3%AE-signaling-in-fenestrated-capillaries-is-sufficient-to-trigger-sickness-responses-in-mice
#18
J Gabriel Knoll, Stephanie M Krasnow, Daniel L Marks
BACKGROUND: The physiological and behavioral symptoms of sickness, including fever, anorexia, behavioral depression, and weight loss can be both beneficial and detrimental. These sickness responses are triggered by pro-inflammatory cytokines acting on cells within the brain. Previous research demonstrates that the febrile response to peripheral insults depends upon prostaglandin production by vascular endothelial cells, but the mechanisms and specific cell type(s) responsible for other sickness responses remain unknown...
November 9, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29118744/two-lactobacillus-species-inhibit-the-growth-and-%C3%AE-toxin-production-of-clostridium-perfringens-and-induced-proinflammatory-factors-in-chicken-intestinal-epithelial-cells-in-vitro
#19
Shuangshuang Guo, Dan Liu, Beibei Zhang, Zhui Li, Yehan Li, Binying Ding, Yuming Guo
Clostridium perfringens is the causative pathogen of avian necrotic enteritis. Lactobacillus spp. are well-characterized probiotics with anti-microbial and immune-modulatory activities. In the present study, we investigated the effects of L. acidophilus and L. fermentum on the growth, α-toxin production and inflammatory responses of C. perfringens. In in vitro culture experiments, both lactobacilli inhibited the growth of C. perfringens (P < 0.01), accompanied with a decrease in pH (P < 0.01). Supernatants from lactobacilli cultures also suppressed the growth of C...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29117513/mechanisms-of-dietary-flavonoid-action-in-neuronal-function-and-neuroinflammation
#20
REVIEW
Baptiste N Jaeger, Sarah L Parylak, Fred H Gage
Flavonoids are a class of plant-derived dietary polyphenols that have attracted attention for their pro-cognitive and anti-inflammatory effects. The diversity of flavonoids and their extensive in vivo metabolism suggest that a variety of cellular targets in the brain are likely to be impacted by flavonoid consumption. Initially characterized as antioxidants, flavonoids are now believed to act directly on neurons and glia via the interaction with major signal transduction cascades, as well as indirectly via interaction with the blood-brain barrier and cerebral vasculature...
November 5, 2017: Molecular Aspects of Medicine
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