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https://read.qxmd.com/read/30763670/adeno-associated-virus-9-mediated-rna-interference-targeting-socs3-alleviates-diastolic-heart-failure-in-rats
#1
Jie Gao, Yulin Guo, Yingqi Chen, Jian Zhou, Yan Liu, Pixiong Su
OBJECTIVE: To explore the effect of adeno-associated virus 9-mediated RNA interference targeting SOCS3 (AAV9-SOCS3 siRNA) on the treatment of diastolic heart failure (DHF). METHOD: A rat DHF model was established, and cardiac function and hemodynamic changes were measured. HE, Sirius red and TUNEL staining were applied to observe the pathological changes in the myocardium. Immunoblotting and immunohistochemical staining were utilized to detect SOCS3 expression. The expression levels of various factors, including fibrosis-related factors (collagen I, collagen II, α-SMA and TGF-β), inflammatory-related factors (IL-1β, IL-6, TNF-α, p-p65 and ICAM-1) and factors related to the JAK/STAT signal pathway were analyzed by immunoblotting and/or qPCR...
February 11, 2019: Gene
https://read.qxmd.com/read/30761680/role-of-allograft-inflammatory-factor-1-in-the-regulation-of-inflammation-and-oxidative-stress-in-primary-peritoneal-mesothelial-cells
#2
Yinan Zhou, Xin Li, Xueying Yuan, Lirong Hao
Peritoneal dialysis (PD) is often used to treat patients with end stage renal disease, and its long-term complications include excessive inflammation and oxidative stress. Allograft inflammatory factor 1 (AIF-1), as a cytoplasmic protein, is originally identified from infiltrating macrophages, and it was associated with inflammation in the cells other than macrophages, such as endothelial cells and vascular smooth muscle cells. To clarify the molecular mechanisms of AIF-1-modulated pathological changes in the peritoneum during PD, we first detected the AIF-1 expression in peritoneal tissues from PD mice...
February 13, 2019: Cell Biology International
https://read.qxmd.com/read/30761007/schisandrin-a-inhibits-the-il-1%C3%AE-induced-inflammation-and-cartilage-degradation-via-suppression-of-mapk-and-nf-%C3%AE%C2%BAb-signal-pathways-in-rat-chondrocytes
#3
Chang Tu, Xiaojian Huang, Yifan Xiao, Mingyu Song, Yongzhuang Ma, Jiyuan Yan, Hongbo You, Hua Wu
Osteoarthritis (OA) is a common joint disease in the elderly population. Its development has been reported to be associated with cartilage degradation and inflammatory responses. Schisandrin A, a bioactive lignin in Schisandra sphenanthera , has shown its anti-inflammatory potential in various inflammation diseases. However, the effects of Schisandrin A on OA remain to explore. In this study, rat chondrocytes were treated with IL-1β (10 ng/ml) with or without different concentrations of Schisandrin A for 24 h...
2019: Frontiers in Pharmacology
https://read.qxmd.com/read/30760518/yy1-complex-promotes-quaking-expression-via-super-enhancer-binding-during-emt-of-hepatocellular-carcinoma
#4
Jingxia Han, Jing Meng, Xiaorui Wang, Shan Yin, Qiang Zhang, Huijuan Liu, Rong Qin, Zhongwei Li, Weilong Zhong, Chao Zhang, Heng Zhang, Yuanhao Tang, Tingting Lin, Wanfeng Gao, Xiaoyun Zhang, Lan Yang, Yanrong Liu, Hong-Gang Zhou, Shuang Chen, Tao Sun, Cheng Yang
Quaking (QKI) is an alternative splicing factor that can regulate circRNA formation in the progression of epithelial-mesenchymal transition, but the mechanism remains unclear. High expression of QKI is correlated with short survival time, metastasis, and high clinical stage and pathology grade in hepatocellular carcinoma (HCC). Here we report that transcription of the QKI gene was activated by the Yin-Yang 1 (YY1)/p65/p300 complex, in which YY1 bound to the super-enhancer and promoter of QKI, p65 combined with the promoter, and p300 served as a mediator to maintain the stability of the complex...
February 13, 2019: Cancer Research
https://read.qxmd.com/read/30760428/md1-deficiency-promotes-inflammatory-atrial-remodelling-induced-by-high-fat-diets
#5
Wei Shuai, Bin Kong, Hui Fu, Caijie Shen, Xiaobo Jiang, He Huang
BACKGROUND: Myeloid differentiation protein 1 (MD1) is expressed in various tissues, including the heart. However, the role of MD1 in obesity-related atrial remodelling remains incompletely understood. Here, this study intends to determine the regulatory role and underlying mechanisms of MD1 in obesity-related atrial remodelling. METHODS: A high-fat diet (HFD) feeding was performed in 6-week-old MD1-knockout (MD1-KO) mice and wild-type (WT) littermates for 20 weeks...
February 2019: Canadian Journal of Cardiology
https://read.qxmd.com/read/30756476/oncolytic-activity-of-canine-distemper-virus-in-canine-mammary-tubular-adenocarcinoma-cells
#6
Peiran Li, Jigui Wang, Gaoxiang Chen, Xiaomei Zhang, Degui Lin, Yun Zhou, Yongle Yu, Weiquan Liu, Di Zhang
Canine distemper virus (CDV), bearing a close resemblance to measles virus, represents a promising candidate for oncolytic therapy; however, its application and underlying oncolytic mechanisms in canine mammary carcinoma cells remain to be explored. Here, we found that an attenuated canine distemper vaccine strain, CDV-L, efficiently infected and inhibited the growth of canine mammary tubular adenocarcinoma CIPp cells but not MDCK cells in vitro. Transcriptomic analysis of CDV-L-infected CIPp cells revealed substantially differentially expressed genes in apoptotic and NF-κB signaling pathways...
February 12, 2019: Veterinary and Comparative Oncology
https://read.qxmd.com/read/30756213/fisetin-rescues-retinal-functions-by-suppressing-inflammatory-response-in-a-dba-2j-mouse-model-of-glaucoma
#7
Linlin Li, Jie Qin, Tingting Fu, Jiaxiang Shen
PURPOSE: Glaucoma is a common chronic neurodegenerative disease, which could lead to visual loss. In this study, we aimed to investigate whether fisetin, a natural flavone with anti-inflammatory and antioxidant properties, is able to alleviate glaucoma. METHODS: We employed a DBA/2J mouse model which was treated with or without fisetin. Pattern electroretinogram (P-ERG), visual evoked potentials (VEPs) and intraocular pressure (IOP) were evaluated. Quantitative real-time polymerase chain reaction and enzyme-linked immunosorbent assay (ELISA) were used to measure the expression levels of TNF-α, IL-1β and IL-6...
February 11, 2019: Documenta Ophthalmologica. Advances in Ophthalmology
https://read.qxmd.com/read/30755771/early-effects-of-hyperbaric-oxygen-on-inducible-nitric-oxide-synthase-activity-expression-in-lymphocytes-of-type-1-diabetes-patients-a-prospective-pilot-study
#8
Ivana Resanovic, Zoran Gluvic, Bozidarka Zaric, Emina Sudar-Milovanovic, Aleksandra Jovanovic, Davorka Milacic, Radmilo Isakovic, Esma R Isenovic
This study aimed at examining the early effects of hyperbaric oxygen therapy (HBOT) on inducible nitric oxide synthase (iNOS) activity/expression in lymphocytes of type 1 diabetes mellitus (T1DM) patients. A group of 19 patients (mean age: 63 ± 2.1) with T1DM and with the peripheral arterial disease were included in this study. Patients were exposed to 10 sessions of HBOT in the duration of 1 h to 100% oxygen inhalation at 2.4 ATA. Blood samples were collected for the plasma C-reactive protein (CRP), plasma free fatty acid (FFA), serum nitrite/nitrate, and serum arginase activity measurements...
2019: International Journal of Endocrinology
https://read.qxmd.com/read/30755642/novel-function-of-pit1-slc20a1-in-lps-related-inflammation-and-wound-healing
#9
Eugénie Koumakis, Joëlle Millet-Botti, Jamel El Benna, Christine Leroy, Valérie Boitez, Patrice Codogno, Gérard Friedlander, Anne Forand
PiT1/SLC20A1 is an inorganic phosphate transporter with additional functions including the regulation of TNFα-induced apoptosis, erythropoiesis, cell proliferation and insulin signaling. Recent data suggest a relationship between PiT1 and NF-κB-dependent inflammation: (i) Pit1 mRNA is up-regulated in the context of NF-κB pathway activation; (ii) NF-κB target gene transcription is decreased in PiT1-deficient conditions. This led us to investigate the role of PiT1 in lipopolysaccharide (LPS)-induced inflammation...
February 12, 2019: Scientific Reports
https://read.qxmd.com/read/30755236/ampk-activation-attenuates-inflammatory-pain-through-inhibiting-nf-%C3%AE%C2%BAb-activation-and-il-1%C3%AE-expression
#10
Hong-Chun Xiang, Li-Xue Lin, Xue-Fei Hu, He Zhu, Hong-Ping Li, Ru-Yue Zhang, Liang Hu, Wen-Tao Liu, Yi-Lin Zhao, Yang Shu, Hui-Lin Pan, Man Li
BACKGROUND: Chronic pain is a major clinical problem with limited treatment options. Previous studies have demonstrated that activation of adenosine monophosphate-activated protein kinase (AMPK) can attenuate neuropathic pain. Inflammation/immune response at the site of complete Freund's adjuvant (CFA) injection is known to be a critical trigger of the pathological changes that produce inflammatory pain. However, whether activation of AMPK produces an analgesic effect through inhibiting the proinflammatory cytokines, including interleukin-1β (IL-1β), in inflammatory pain remains unknown...
February 12, 2019: Journal of Neuroinflammation
https://read.qxmd.com/read/30753941/porous-se-sio2-nanosphere-coated-catheter-accelerates-prostatic-urethra-wound-healing-by-modulating-macrophage-polarization-through-reactive-oxygen-species-nf-%C3%AE%C2%BAb-pathway-inhibition
#11
Bo-Yu Yang, Guo-Ying Deng, Rui-Zhe Zhao, Chen-Yun Dai, Chen-Yi Jiang, Xing-Jie Wang, Yi-Feng Jing, Xi-Jian Liu, Shu-Jie Xia, Bang-Min Han
Benign prostatic hyperplasia (BPH) patients experience complications after surgery. We studied oxidative stress scavenging by porous Se@SiO2 nanospheres in prostatic urethra wound healing after transurethral resection of the prostate (TURP). Beagle dogs were randomly distributed into two groups after establishing TURP models. Wound recovery and oxidative stress levels were evaluated. Re-epithelialization and the macrophage distribution at the wound site were assessed by histology. The mechanism by which porous Se@SiO2 nanospheres regulated macrophage polarization was investigated by qRT-PCR, western blotting, flow cytometry, immunofluorescence and dual luciferase reporter gene assays...
February 9, 2019: Acta Biomaterialia
https://read.qxmd.com/read/30753864/a-chalcone-derivative-suppresses-the-induction-of-tslp-in-mice-and-human-keratinocytes-and-attenuates-ova-induced-antibody-production-in-mice
#12
Ryosuke Segawa, Mika Shiraki, Shiori Sudo, Kenichi Shigeeda, Taiji Saito, Natsumi Mizuno, Takahiro Moriya, Takayuki Yonezawa, Je-Tae Woo, Masahiro Hiratsuka, Noriyasu Hirasawa
Thymic stromal lymphopoietin (TSLP) is a key epithelial-derived factor that aggravates allergic diseases. Therefore, TSLP inhibitors are candidate compounds for the treatment of allergic diseases. Previously, we reported that KCMH-1, a mouse keratinocyte cell line, constitutively produces TSLP. In this study, we tried to identify inhibitors of TSLP by screening 2169 compounds in KCMH-1 cells and found one such chalcone derivative (code no. 16D10). 16D10 inhibited TSLP expression and TSLP promoter activation in HaCaT cells, a human keratinocyte cell line...
February 9, 2019: European Journal of Pharmacology
https://read.qxmd.com/read/30747230/bile-acids-promote-gastric-intestinal-metaplasia-by-upregulating-cdx2-and-muc2-expression-via-the-fxr-nf-%C3%AE%C2%BAb-signalling-pathway
#13
Jun-Hui Yu, Jian-Bao Zheng, Jie Qi, Kui Yang, Yun-Hua Wu, Kai Wang, Chun-Bao Wang, Xue-Jun Sun
Bile acids serve a critical role in the induction of gastric intestinal metaplasia (IM) and gastric carcinogenesis. The present study investigated the effects of bile acids on the induction of gastric IM formation. The results demonstrated that the expression levels of caudal‑related homeobox transcription factor 2 (CDX2), mucin 2 (MUC2) and farnesoid X receptor (FXR) were increased in vitro and in vivo following treatment with bile acids, and CDX2 transcriptionally activated MUC2 expression. Furthermore, knockdown of FXR attenuated bile acid‑enhanced CDX2 promoter activity and protein expression...
January 22, 2019: International Journal of Oncology
https://read.qxmd.com/read/30746687/myricetin-relieves-lps-induced-mastitis-by-inhibiting-inflammatory-response-and-repairing-the-blood-milk-barrier
#14
Xingchi Kan, Bingrun Liu, Wenjin Guo, Libin Wei, Yuanqing Lin, Yingcheng Guo, Qian Gong, Yanwei Li, Dianwen Xu, Yu Cao, Bingxu Huang, Aiwen Dong, He Ma, Shoupeng Fu, Juxiong Liu
Mastitis, an inflammation of mammary gland, is a serious disease that affects the health of dairy cows around the world. Myricetin, a flavonoid from Bayberry, has been reported to suppress various inflammatory response. The aim of this study was to evaluate the effect of myricetin on lipopolysaccharide (LPS)-induced in vivo and in vitro mastitis model and clarify the underlying mechanism. In vivo experiments, myricetin attenuated the severity of inflammatory lesion and neutrophil infiltration. Moreover, myricetin pretreatment induced a significant decrease in the activity of myeloperoxidase (MPO) and the production of TNF-α, IL-6, and IL-1β triggered by LPS...
February 11, 2019: Journal of Cellular Physiology
https://read.qxmd.com/read/30745862/bidirectional-effects-of-pyrrolidine-dithiocarbamate-on-severe-acute-pancreatitis-in-a-rat-model
#15
Huan Yang, ShuCan Ma, Yu Guo, DongLai Cui, JinFeng Yao
Introduction: The mechanism by which intestinal mucosal barrier is damaged in severe acute pancreatitis (SAP)-associated impairment is not fully understood. Methods: We established an l-arginine-induced SAP rat model, pretreated with or without pyrrolidine dithiocarbamate (PDTC). Hematoxylin and eosin staining was performed to evaluate the pathological alterations. Western blotting was conducted to detect the expression of autophagy-related proteins. Oxidative stress was assessed by the levels of malondialdehyde and superoxide dismutase...
January 2019: Dose-response: a Publication of International Hormesis Society
https://read.qxmd.com/read/30745855/andrographolide-enhances-trail-induced-apoptosis-via-p53-mediated-death-receptors-up-regulation-and-suppression-of-the-nf-%C3%B0%C2%BAb-pathway-in-bladder-cancer-cells
#16
Yuyou Deng, Ran Bi, Haoran Guo, Jiaxin Yang, Yujun Du, Chunxi Wang, Wei Wei
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is an effective chemotherapeutic agent that specifically impairs cancer cells while sparing normal cells; however, some cancer cells develop resistance to TRAIL. Here, we identified Andrographolide, a diterpenoid lactone derived from a traditional herbal medicine Andrographis paniculata , as an ideal sensitizer for TRAIL to overcome bladder cancer. Our results showed that combination treatment of Andro and TRAIL retarded growth, attenuated proliferation, decreased colony formation, inhibited migration and promoted caspases-mediated apoptosis in T24 cells...
2019: International Journal of Biological Sciences
https://read.qxmd.com/read/30744416/novel-insights-into-msk1-phosphorylation-by-mrk%C3%AE-in-intracerebral-hemorrhage-induced-neuronal-apoptosis
#17
Peipei Gong, Rui Jiang, Junzhong Yao, Qi Yao, Xide Xu, Jian Chen, Jianhong Shen, Wei Shi
Neuronal apoptosis is regarded as one of the most important pathophysiological changes of intracerebral hemorrhagic (ICH) stroke-a major public health problem that leads to high mortality rates and functional dependency. Mitogen-and stress-activated kinase (MSK) 1 is implicated in various biological functions in different cell types, including proliferation, tumorigenesis and responses to stress. Our previous study showed that MSK1 phosphorylation (p-MSK1) is related to the regulation of LPS-induced astrocytic inflammation, and possibly acts as a negative regulator of inflammation...
February 11, 2019: Cell Transplantation
https://read.qxmd.com/read/30744402/roflumilast-a-phosphodiesterase-4-inhibitor-attenuates-cadmium-induced-renal-toxicity-via-modulation-of-nf-%C3%AE%C2%BAb-activation-and-induction-of-nqo1-in-rats
#18
M N Ansari, R I Aloliet, M A Ganaie, T H Khan, Najeeb-Ur-Rehman, F Imam, A M Hamad
OBJECTIVE: In the present study, the protective effect of Roflumilast (ROF, a selective phosphodiesterase (PDE-4) inhibitor) was investigated against cadmium (Cd)-induced nephrotoxicity in rats. METHODS: A total of 24 rats were selected and randomly divided into four groups ( n = 6). Group 1 served as the control; groups 2-4 administered with CdCl2 (3 mg/kg, i.p.) for 7 days; groups 3 and 4 were co-administered with ROF in doses of 0.5 and 1.5 mg/kg, orally for 7 consecutive days...
February 11, 2019: Human & Experimental Toxicology
https://read.qxmd.com/read/30743078/protective-effects-of-berberine-hydrochloride-on-dss-induced-ulcerative-colitis-in-rats
#19
Lei Zhu, PeiQing Gu, Hong Shen
BACKGROUND: Berberine hydrochloride is one the effective compound among Rhizoma Coptidis, Cortex Phellodendri, and other plants. There are several clinical functions of berberine hydrochloride including anti-inflammation, antitumor and immunoregulatory. However, the anti-inflammatory of berberine hydrochloride in ulcerative colitis is barely understood. In this study, we aimed to explore the effects of berberine hydrochloride on dextran sulfate sodium (DSS)-induced rats model of ulcerative colitis...
February 8, 2019: International Immunopharmacology
https://read.qxmd.com/read/30741618/the-anti-inflammatory-effects-of-curcumin-on-renal-ischemia-reperfusion-injury-in-rats
#20
Jiong Zhang, Li Tang, Gui Sen Li, Jia Wang
The present study aimed to explore the protective mechanism of curcumin-precondition in renal ischemia-reperfusion (I/R) injury. Thirty male SD rats were randomly equally divided into Sham, IRI, and Curcumin groups (n = 10). The model of IRI was induced by clamping the left renal artery for 45 min followed by 24 h reperfusion with the contralateral nephrectomy. ELISA was used to examine the expression of Cr, BUN, IL-8, TNF-α, and IL-6 in the serum; RT-PCR was used to detect the mRNA level of IL-8,TNF-α, and IL-6 in the kidney; The morphology of kidney was examined by Periodic Acid-Schiff stain (PAS)...
November 2018: Renal Failure
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