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https://www.readbyqxmd.com/read/29750991/celastrol-attenuates-incision-induced-inflammation-and-pain-associated-with-inhibition-of-the-nf-%C3%AE%C2%BAb-signalling-pathway-via-sarm
#1
Xuhui Chen, Bo Zhang, Jiayan Li, Miaomiao Feng, Yue Zhang, Wenlong Yao, Chuanhan Zhang, Li Wan
AIM: This study aimed to investigate whether celastrol (CEL) could alleviate incision-induced pain and decipher its possible mechanism. MATERIALS AND METHODS: Sprague-Dawley rats were randomly divided into five groups: naïve, vehicle, CEL (5 μg/paw, 10 μg/paw and 20 μg/paw). CEL or vehicle was administered intraplantarly before plantar surgical incision. Histological examinations of skin tissues were performed after HE staining. Additionally, immunohistochemical staining, RT-PCR and western blot were performed to analyse macrophages, proinflammatory cytokines, SARM and NF-κB expression, respectively...
May 8, 2018: Life Sciences
https://www.readbyqxmd.com/read/29572139/hepatoprotective-effects-exerted-by-poria-cocos-polysaccharides-against-acetaminophen-induced-liver-injury-in-mice
#2
Ka Wu, Jinlian Fan, Xiaoying Huang, Xinmou Wu, Chao Guo
Our study was to investigate the potential pharmacological activity of Poria Cocos polysaccharides (PCP) against acetaminophen (APAP)-induced liver injury in mice. PCP-dosed mice were used to conducting biochemical assays of serological liver enzyme (ALT), lactate dehydrogenase (LD), inflammatory cytokines (TNF-α, IL-6), and immunoassays for functional proteins in the livers. Consequently, APAP-exposed mice resulted in elevated levels of ALT, LD, TNF-α, IL-6 in sera. Interestingly, PCP-dosed mice exhibited reduced ALT, LD and inflammatory cytokines in blood...
March 20, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29566694/4-acetylantroquinonol-b-inhibits-lipopolysaccharide-induced-cytokine-release-and-alleviates-sepsis-through-of-mapk-and-nf%C3%AE%C2%BAb-suppression
#3
Chien-Hsin Chang, Chun-Chieh Hsu, An-Sheng Lee, Shih-Wei Wang, Kung-Tin Lin, Wei-Luen Chang, Hui-Chin Peng, Wen-Chiung Huang, Ching-Hu Chung
BACKGROUND: Antrodia cinnamomea is an indigenous medicinal mushroom in Taiwan, commonly used for the treatment of cancers and inflammatory disorders. 4-acetylantroquinonol B (4AAQB) is one of the active component isolated from the mycelium of A. cinnamomea. However, whether 4AAQB exhibits anti-inflammatory effect is not clear. METHODS: The anti-inflammatory activity of 4AAQB was examined by ELISA to measure the pro-inflammatory cytokines production in lipopolysaccharide (LPS)-simulated RAW264...
March 23, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29507100/novel-role-for-the-immunoproteasome-subunit-psmb10-in-angiotensin-ii-induced-atrial-fibrillation-in-mice
#4
Jing Li, Shuai Wang, Jie Bai, Xiao-Lei Yang, Yun-Long Zhang, Yi-Lin Che, Hui-Hua Li, Yan-Zong Yang
Angiotensin II (Ang II) and inflammation are associated with pathogenesis of atrial fibrillation (AF), but the underlying molecular mechanisms of these events remain unknown. The immunoproteasome has emerged as a critical regulator of inflammatory responses. Here, we investigated its role in Ang II-induced AF in immunosubunit PSMB10 (also known as β2i or LMP10) knockout (KO) mice. AF was induced by Ang II infusion (2000 ng/min per kg). PSMB10 expression and trypsin-like activity were increased in atrial tissues and serum from Ang II-treated mice or serum from patients with AF...
May 2018: Hypertension
https://www.readbyqxmd.com/read/29499566/the-immunoproteasome-subunit-lmp10-mediates-angiotensin-ii-induced-retinopathy-in-mice
#5
Shuai Wang, Jing Li, Jie Bai, Jing-Min Li, Yi-Lin Che, Qiu-Yue Lin, Yun-Long Zhang, Hui-Hua Li
Inflammation has been implicated in a variety of retinal diseases. The immunoproteasome plays a critical role in controlling inflammatory responses, but whether activation of immunoproteasome contributes to angiotensin II (Ang II)-induced retinopathy remains unclear. Hypertensive retinopathy (HR) was induced by infusion of Ang II (3000 ng/kg/min) in wild-type (WT) and immunoproteasome subunit LMP10 knockout (KO) mice for 3 weeks. Changes in retinal morphology, vascular permeability, superoxide production and inflammation were examined by pathological staining...
June 2018: Redox Biology
https://www.readbyqxmd.com/read/29467844/target-therapy-of-trim-14-inhibits-osteosarcoma-aggressiveness-through-the-nuclear-factor-%C3%AE%C2%BAb-signaling-pathway
#6
Yi-Jiong Li, Guo-Ping Zhang, Feng Zhao, Rui-Qi Li, Shao-Jun Liu, Zeng-Ren Zhao, Xin Wang
Osteosarcoma is the most common cause of cancer-associated mortality and the prognosis is yet to be fully elucidated due to the paucity of effective therapeutic targets that significantly influence the quality of life and mean survival rates of patients with osteosarcoma. Studies have showed that tripartite motif-containing (TRIM)-14 is a member of the TRIM protein family that has a vital role in tumor progression and metastasis and promotes angiogenesis, invasion and apoptotic resistance of bone cancer. In this study, a chimeric antibody targeting TRIM-14 (Chanti-TRIM) was constructed and the molecular mechanism of target therapy for TRIM-14 was investigated in osteosarcoma cells and xenograft mice...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29466981/a-novel-purified-lactobacillus-acidophilus-20079-exopolysaccharide-la-eps-20079-molecularly-regulates-both-apoptotic-and-nf-%C3%AE%C2%BAb-inflammatory-pathways-in-human-colon-cancer
#7
Nehal M El-Deeb, Abdelrahman M Yassin, Lamiaa A Al-Madboly, Amr El-Hawiet
BACKGROUND: The direct link between inflammatory bowel diseases and colorectal cancer is well documented. Previous studies have reported that some lactic acid bacterial strains could inhibit colon cancer progression however; the exact molecules involved have not yet been identified. So, in the current study, we illustrated the tumor suppressive effects of the newly identified Lactobacillus acidophilus DSMZ 20079 cell-free pentasaccharide against colon cancer cells. The chemical structure of the purified pentasaccharide was investigated by MALDI-TOF mass spectrum, 1D and 2D Nuclear Magnetic Resonance (NMR)...
February 21, 2018: Microbial Cell Factories
https://www.readbyqxmd.com/read/29434225/mechanical-stretch-induced-osteogenic-differentiation-of-human-jaw-bone-marrow-mesenchymal-stem-cells-hjbmmscs-via-inhibition-of-the-nf-%C3%AE%C2%BAb-pathway
#8
Xiaoyan Chen, Yuan Liu, Wanghui Ding, Jiejun Shi, Shenglai Li, Yali Liu, Mengjie Wu, Huiming Wang
Severe malocclusion can contribute to several serious dental and physical conditions, such as digestive difficulties, periodontal disease, and severe tooth decay. Orthodontic treatment is mainly used to treat malocclusion. Forces in orthodontic tooth results in bone resorption on the pressure side and bone deposition on the tension side. Osteoblasts have been considered as the key component in bone regeneration on the tension side. However, the underlying mechanisms remain unclear. In this study, we focus on how mechanical stretch regulates the osteogenesis during orthodontic treatment...
February 12, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29363670/noxa-hsp27-complex-delays-degradation-of-ubiquitylated-ikb%C3%AE-in-airway-epithelial-cells-to-reduce-pulmonary-inflammation
#9
C Zhang, J T Jones, H S Chand, M G Wathelet, C M Evans, B Dickey, J Xiang, Y A Mebratu, Y Tesfaigzi
IFN-γ is known as a pro-inflammatory cytokine, but can also block inflammation in certain chronic diseases although the underlying mechanisms are poorly understood. We found that IFN-γ rapidly induced Noxa expression and that extent of inflammation by repeated house dust mite exposure was enhanced in noxa-/- compared with noxa+/+ mice. Noxa expression blocked transforming necrosis factor alpha (TNF-α)-induced nuclear translocation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and the production of pro-inflammatory cytokines...
January 24, 2018: Mucosal Immunology
https://www.readbyqxmd.com/read/29353152/tgf%C3%AE-c-509t-tgf%C3%AE-t869c-xrcc1-arg194trp-ikb%C3%AE-c642t-il4-c-590t-genetic-polymorphisms-combined-with-socio-economic-lifestyle-diet-factors-and-gastric-cancer-risk-a-case-control-study-in-south-indian-population
#10
Dhayalan Pavithra, Majumdar Gautam, Ranganathan Rama, Rajaraman Swaminathan, Gopisetty Gopal, Ayyalur Seshadri Ramakrishnan, Thangarajan Rajkumar
BACKGROUND: Gastric cancer is worldwide the third major cause of cancer related death. Risk factors for gastric cancer includes Helicobacter pylori infection, gastric ulcer, less hygienic condition, use of tobacco, alcohol consumption, use of salted, smoked food, genetic alterations etc. In order to identify the risk factors associated with gastric cancer in South Indian population a case-control study involving 200 proven gastric cancer cases and 400 controls was conducted. METHODS: A structured questionnaire was used to interview all the subjects who participated in our study...
April 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29343281/p-mapa-immunotherapy-potentiates-the-effect-of-cisplatin-on-serous-ovarian-carcinoma-through-targeting-tlr4-signaling
#11
Luiz Gustavo de Almeida Chuffa, Grazielle de Moura Ferreira, Luiz Antonio Lupi, Iseu da Silva Nunes, Wagner José Fávaro
BACKGROUND: Toll-like receptors (TLRs) are transmembrane proteins expressed on the surface of ovarian cancer (OC) and immune cells. Identifying the specific roles of the TLR-mediated signaling pathways in OC cells is important to guide new treatments. Because immunotherapies have emerged as the adjuvant treatment for patients with OC, we investigated the effect of a promising immunotherapeutic strategy based on protein aggregate magnesium-ammonium phospholinoleate-palmitoleate anhydride (P-MAPA) combined with cisplatin (CIS) on the TLR2 and TLR4 signaling pathways via myeloid differentiation factor 88 (MyD88) and TLR-associated activator of interferon (TRIF) in an in vivo model of OC...
January 17, 2018: Journal of Ovarian Research
https://www.readbyqxmd.com/read/29201210/protective-effects-of-resveratrol-on-osteoporosis-via-activation-of-the-sirt1-nf-%C3%AE%C2%BAb-signaling-pathway-in-rats
#12
Xiaowei Wang, Liaobin Chen, Wei Peng
The aim of the present study was to determine the protective effects of resveratrol on a rat model of osteoporosis and examine the associated mechanisms of its action. Rats were randomized into the following groups: Control, osteoporosis, osteoporosis + low-dose resveratrol, osteoporosis + middle-dose resveratrol and osteoporosis + high-dose resveratrol groups. Resveratrol treatment was administered 7 days after surgery for 8 weeks. ELISA assay was used to analyze alkaline phosphatase (ALP) and osteocalcin (OC) protein levels...
November 2017: Experimental and Therapeutic Medicine
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
#13
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/28958181/anti-inflammatory-effect-of-euphorbia-supina-extract-in-dextran-sulfate-sodium-induced-colitis-mice
#14
Ji-Yun Cha, Yong-Deok Jeon, Mingjie Xin, Do-Kuk Kim, Hoon-Yeon Lee, Bo-Ram Kim, Sung-Woo Hwang, Dae-Ki Kim, Jong-Sik Jin, Young-Mi Lee
The aim of this study is to examine the anti-inflammatory effect of Euphorbia supina (ES) ethanol extract in dextran sulfate sodium (DSS)-induced experimental colitis model. ES was per orally administered at different doses of 4 or 20 mg/kg body weight with 5% DSS in drinking water for 7 days. Twenty mg/kg of ES administration regulated body weight decrease, recovered colon length shortening, and increased disease activity index score and myeloperoxidase level in DSS-induced colitis. Histological features showed that 20 mg/kg of ES administration suppressed edema, mucosal damage, and the loss of crypts induced by DSS...
November 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28886875/nf-%C3%AE%C2%BAb-participates-in-the-stem-cell-phenotype-of-ovarian-cancer-cells
#15
Carolina Gonzalez-Torres, Javier Gaytan-Cervantes, Karla Vazquez-Santillan, Edna Ayerim Mandujano-Tinoco, Gisela Ceballos-Cancino, Alfredo Garcia-Venzor, Cecilia Zampedri, Paulina Sanchez-Maldonado, Raul Mojica-Espinosa, Luis Enrique Jimenez-Hernandez, Vilma Maldonado
BACKGROUND: NF-κB is a transcription factor involved in cancer stem cells maintenance of many tumors. Little is known about the specific stem-associated upstream regulators of this pathway in ovarian cancer. The Aim of the study was to analyze the role of the canonical and non-canonical NF-κB pathways in stem cells of ovarian cancer cell lines. METHODS: Stem cells were isolated using sorting cytometry. Western blot and RT-PCR were used to quantify protein and messenger RNA levels...
May 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28867179/rage-maintains-high-levels-of-nf%C3%AE%C2%BAb-and-oncogenic-kras-activity-in-pancreatic-cancer
#16
Nancy Azizan, Melissa A Suter, Yan Liu, Craig D Logsdon
Oncogenic KRas activity is central to several cancer types including pancreatic ductal adenocarcinoma (PDAC) but has been determined to be "undruggable". Recent studies have indicated that oncogenic KRas is not constitutively active but relies on a feed-forward stimulatory mechanism involving NFκB mediated inflammation. In the current study, we investigated the role of the receptor for advanced glycation end-products (RAGE) in maintaining oncogenic signaling in PDAC. We observed that there was a shift in the levels of specific RAGE isoforms and altered cellular localization in PDAC...
November 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28828622/modafinil-attenuates-inflammation-via-inhibiting-akt-nf-%C3%AE%C2%BAb-pathway-in-apoe-deficient-mouse-model-of-atherosclerosis
#17
Jinxia Han, Dongwei Chen, Dayi Liu, Yanan Zhu
Modafinil, an FDA approved wakefulness drug prescribed to narcolepsy patients, has recently been shown to have anti-inflammatory effects and provides protection against neuroinflammation. It is unknown if modafinil can also protect against atherosclerosis, pathogenesis of which implicates inflammation. Using an apoE-deficient mouse model, we tried to elucidate the effects of modafinil treatment on the development of atherosclerosis. We tested serum levels of cytokines. We isolated mouse bone marrow-derived macrophages (BMDMs), detected effect of modafinil on the viability and proliferation of BMDMs, and on oxidized low-density lipoprotein-induced IL-6 and TNF-α, and supernatant level of IFN-γ as well as NF-κB activity in BMDMs...
August 21, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28733145/adipocytes-promote-nicotine-induced-injury-of-endothelial-cells-via-the-nf-%C3%AE%C2%BAb-pathway
#18
Xiu Liu, Chao-Nan Wang, Chen-Yang Qiu, Wei Song, Lin-Fang Wang, Bao Liu
Cigarette smoking is one of the most important risk factors of atherosclerosis, which can induce endothelial injury. Meanwhile, adipocytes are the main cell type of perivascular adipose tissue (PVAT), the largest endocrine and paracrine organ and direct anatomical connection to adventitia, which may play a key role in the injury of endothelial cells. We used nicotine to induce dysfunctional HUVECs and adipocytes. In addition, we used a novel model to co-culture HUVECs and adipocytes in vitro by the transwell co-culture system to determine the effect of adipocytes on endothelial injury...
October 1, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28641655/-il-1%C3%AE-treated-bone-marrow-mesenchymal-stem-cells-enhances-osteogenetic-potential-via-nf-%C3%AE%C2%BAb-pathway
#19
Wei Ye, Xiao-Ming Fei, Yu Tang, Xin-Xin Xu, Yan Zhu
Obsjective:To investigate the effects of differentaction time of IL-1β on the osteogenic capacity of bone marrow mensenchymal cells(BMMSC) and the role of nuclear factor-κB (NF-kB) pathway. METHODS: BMMSC isolated from normal donors was treated with IL-1β for 1 or 7 days, respectively. Alkaline phosphatase (ALP) and alizarin red(AR) stainings were used to detect the osteogenic differentiation potential of BMMSC. The mRNA expression of EphB4, IGF-1 and OPG in BMMSC was measured by real-time PCR...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28535426/new-role-of-pcsk9-in-atherosclerotic-inflammation-promotion-involving-the-tlr4-nf-%C3%AE%C2%BAb-pathway
#20
Zhi-Han Tang, Juan Peng, Zhong Ren, Jing Yang, Ting-Ting Li, Tao-Hua Li, Zuo Wang, Dang-Heng Wei, Lu-Shan Liu, Xi-Long Zheng, Zhi-Sheng Jiang
BACKGROUND AND AIMS: Proprotein convertase subtilisin/kexin 9 (PCSK9) has emerged as a popular target in the development of new cholesterol-lowering drugs and therapeutic interventions for atherosclerosis. PCSK9 could accelerate atherosclerosis through mechanisms beyond the degradation of the hepatic low-density lipoprotein receptor. Several clinical studies suggested that PCSK9 is involved in atherosclerotic inflammation. Accordingly, this study aimed to explore the role of PCSK9 in vascular inflammation that promotes atherosclerotic progression...
July 2017: Atherosclerosis
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