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β1.4半乳糖基转移酶

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https://www.readbyqxmd.com/read/30098599/lncrna-ptar-promotes-emt-and-invasion-metastasis-in-serous-ovarian-cancer-by-competitively-binding-mir-101-3p-to-regulate-zeb1-expression
#1
Haihai Liang, Tong Yu, Yue Han, Hua Jiang, Chengyu Wang, Tianyi You, Xiaoguang Zhao, Huitong Shan, Rui Yang, Lida Yang, Hongli Shan, Yunyan Gu
BACKGROUND: Ovarian cancer (OvCa) is one of the most common malignant diseases of the female reproductive system in the world. The majority of OvCa is diagnosed with metastasis in the abdominal cavity. Epithelial-to-mesenchymal transition (EMT) plays a key role in tumor cell metastasis. However, it is still unclear whether long non-coding RNA (lncRNA) is implicated in EMT and influences cell invasion and metastasis in OvCa. RESULTS: In this study, using bioinformatcis analysis, we constructed a lncRNA-mediated competing endogenous RNA (ceRNA) network for mesenchymal OvCa and identified lncRNA AP000695...
August 11, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/30098377/nlrp3-deficiency-ameliorates-renal-inflammation-and-fibrosis-in-diabetic-mice
#2
Ming Wu, Weixia Han, Shan Song, Yunxia Du, Chao Liu, Nan Chen, Haijiang Wu, Yonghong Shi, Huijun Duan
Diabetic nephropathy (DN) is the leading cause of end-stage renal disease. Activation of the nucleotide binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome has been reported in diabetic kidney, yet the potential role of NLRP3 inflammasome in DN is not well known. In this study, we explored the role of NLRP3 inflammasome on inflammation and fibrosis in diabetic kidney using NLRP3 knockout mice. Renal expression of NLRP3, caspase-1 p10, interleukin-18 (IL-18) and cleaved IL-1β was increased in diabetic wild-type (WT) mice at 24 weeks...
August 8, 2018: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/30097119/tetrandrine-enhances-the-antifungal-activity-of-fluconazole-in-a-murine-model-of-disseminated-candidiasis
#3
Jianping Shi, Shuixiu Li, Aili Gao, Kunju Zhu, Hong Zhang
BACKGROUND: Tetrandrine (TET), a bis-benzylisoquinoline alkaloid isolated from the Chinese medicinal herb Stephaniae tetrandrae, has a long history in Chinese clinical applications as an anti-inflammatory or anti-arrhythmic agent in the treatment of diverse diseases. In our previous study, TET exhibited the synergisitic action on azoles against pathogenic fungi. PURPOSE: In the current study, we examined whether TET can enhance the antifungal activity of FLC against disseminated candidiasis in mice...
July 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/30096190/persistently-elevated-soluble-mhc-class-i-polypeptide-related-sequence-a-and-transforming-growth-factor-%C3%AE-1-levels-are-poor-prognostic-factors-in-head-and-neck-squamous-cell-carcinoma-after-definitive-chemoradiotherapy
#4
Jenny Ling-Yu Chen, Chien-Chung Chang, Yu-Sen Huang, Hung-Yang Kuo, Tzu-Yu Chen, Chun-Wei Wang, Sung-Hsin Kuo, Yu-Li Lin
We evaluated the prognostic significance of immunologic inhibitory biomarkers in head and neck squamous cell carcinoma (HNSCC) patients undergoing definitive chemoradiotherapy (CRT). Thirty patients were prospectively enrolled. Plasma levels of soluble MHC class I polypeptide-related sequence A (sMICA) and transforming growth factor-β1 (TGF-β1) were measured before and 2 weeks after CRT. The median follow-up was 32.9 months (range: 12.4-40.6 months). The pre-treatment sMICA (p < 0.001) and TGF-β1 (p < 0...
2018: PloS One
https://www.readbyqxmd.com/read/30092566/aldehyde-dehydrogenase-2-attenuates-myocardial-remodeling-and-contractile-dysfunction-induced-by-a-high-fat-diet
#5
Chuanbao Li, Xiaoxing Li, Ying Chang, Lang Zhao, Baoshan Liu, Shujian Wei, Feng Xu, Yun Zhang, Yuguo Chen
BACKGROUND/AIMS: Consumption of a high-fat (HF) diet exacerbates metabolic cardiomyopathy through lipotoxic mechanisms. In this study, we explored the role of aldehyde dehydrogenase-2 (ALDH2) in myocardial damage induced by a HF diet. METHODS: Wild-type C57 BL/6J mice were fed a HF diet or control diet for 16 weeks. ALDH2 overexpression was achieved by injecting a lentiviral ALDH2 expression vector into the left ventricle. RESULTS: Consumption of a HF diet induced metabolic syndrome and myocardial remodeling, and these deleterious effects were attenuated by ALDH2 overexpression...
August 9, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/30092299/polydatin-attenuates-reactive-oxygen-species-induced-airway-remodeling-by-promoting-nrf2-mediated-antioxidant-signaling-in-asthma-mouse-model
#6
Haizhu Zeng, Yumeng Wang, Yuxia Gu, Jinrui Wang, Huali Zhang, Hongchang Gao, Qinqin Jin, Lei Zhao
Reactive oxygen species (ROS) and epithelial-mesenchymal transition (EMT) play a critical role in transforming growth factor (TGF)-β1-mediated fibrotic airway remodeling in asthma. Polydatin (PD) is a small natural molecule in Chinese medicine; it is isolated from Polygonum cuspidatum and has antioxidative properties. In this study, we aimed to determine whether PD was protective against ROS-induced pulmonary fibrosis in asthma. Ovalbumin (OVA) was used to induce asthma in a mouse model that was treated with or without PD...
August 6, 2018: Life Sciences
https://www.readbyqxmd.com/read/30090949/empagliflozin-sglt-2-inhibitor-attenuates-renal-fibrosis-in-rats-exposed-to-unilateral-ureteric-obstruction-potential-role-of-klotho-expression
#7
Noha A T Abbas, Amal El Salem, Mohammed M Awad
Chronic kidney disease (CKD) is a global healthcare problem; however until now, there is no effective treatment that can stop its progression. In this study, we aimed to investigate the effect of empagliflozin, a sodium-glucose linked transporter-2 inhibitor (SGLT2 I) in a model of unilateral ureteric obstruction (UUO) in rats, as a model of progressive renal interstitial fibrosis in vivo and the possibility of inclusion of klotho protein. Rats were randomly divided into five groups: group 1: control group, group 2: UUO untreated group, group 3: prophylactic SGLT2 I treatment before UUO, group 4: immediate SGLT2 I treatment after UUO, and group 5: delayed SGLT2 I treatment (this group received distilled water 1 week after UUO then empagliflozin for 2 weeks)...
August 8, 2018: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/30088373/bcl11b-regulates-il-17-through-the-tgf-%C3%AE-smad-pathway-in-hdm-induced-asthma
#8
Si Chen, Yuting Han, Hao Chen, Jing Wu, Min Zhang
PURPOSE: T helper (Th) 17 cells play a critical role in the development of asthma, but the underlying mechanism of how interleukin (IL)-17 is regulated in allergic airway inflammation is poorly understood. In this study, we investigated the impact of Bcl11b on Th17 response in asthma. METHODS: Blood samples from patients with mild asthma (MA) and severe asthma (SA) were collected. Expression of Bcl11b, IL-4, IL-5, IL-13, IL-17A and transforming growth factor (TGF)-β1 were determined in CD4⁺ T cells and plasma by polymerase chain reaction (PCR) and enzyme-linked immunosorbent assay (ELISA)...
September 2018: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/30087545/pirfenidone-suppresses-polarization-to-m2-phenotype-macrophages-and-the-fibrogenic-activity-of-rat-lung-fibroblasts
#9
Michihito Toda, Shinjiro Mizuguchi, Yukiko Minamiyama, Hiroko Yamamoto-Oka, Takanori Aota, Shoji Kubo, Noritoshi Nishiyama, Toshihiko Shibata, Shigekazu Takemura
Pirfenidone is a representative medication to treat interstitial pulmonary fibrosis. Researchers reported pirfenidone (>100 µg/ml) significantly suppressed fibroblast growth in vitro . However, clinically, the maximum concentration of pirfenidone in the blood is approximately 10 µg/ml. We hypothesized there might be an additional mechanism of pirfenidone to fibroblasts indirectly. Macrophages are known to control the activation of fibroblasts via the regulation of inflammatory M1 and suppressive M2 polarization...
July 2018: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/30082522/follistatin-like-1-promotes-bleomycin-induced-pulmonary-fibrosis-through-the-transforming-growth-factor-beta-1-mitogen-activated-protein-kinase-signaling-pathway
#10
Yan-Kun Jin, Xiao-He Li, Wang Wang, Jie Liu, Wei Zhang, Yin-Shan Fang, Zhi-Fei Zhang, Hua-Ping Dai, Wen Ning, Chen Wang
Background: Follistatin-like 1 (FSTL1) is a novel profibrogenic factor that induces pulmonary fibrosis (PF) through the transforming growth factor-beta 1 (TGF-β1)/Smad signaling. Little is known about its effects on PF through the non-Smad signaling, like the mitogen-activated protein kinase (MAPK) pathway. Therefore, this study aimed to investigate the role of FSTL1 in PF through the MAPK signaling pathway and its mechanisms in lung fibrogenesis. Methods: PF was induced in Fstl1+/- and wild-type (WT) C57BL/6 mice with bleomycin...
August 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/30078103/receptor-independent-modulation-of-tgf-%C3%AE-induced-pro-fibrotic-pathways-by-relaxin-2-in-human-primary-tubular-epithelial-cells
#11
Steffen Grampp, Margarete Goppelt-Struebe
Renal tubular epithelial cells actively contribute to the development of renal fibrosis and may be targeted by anti-fibrotic drugs. Relaxin-2 (RLX2) applied as recombinant protein is suggested to be renoprotective. Therefore, we investigated whether human primary tubular epithelial cells (hPTEC) obtained from various donors were target cells for the anti-fibrotic actions of RLX2. Treatment of hPTEC with RLX2 reduced the TGF-β1-induced secretion of the pro-fibrotic factor CTGF (connective tissue growth factor) and inhibited fibronectin synthesis and secretion...
August 4, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/30076648/mfg-e8-integrin-%C3%AE-3-signaling-contributes-to-airway-inflammation-response-and-airway-remodeling-in-an-ovalbumin-induced-murine-model-of-asthma
#12
Yueli Zhi, Han Huang, Lihong Liang
Asthma is the most common chronic childhood disease worldwide, characterized by airway remodeling and chronic inflammation, orchestrated primarily by Th2 cytokines. The aim of the current study was to explore the influences of milk fat globule epidermal growth factor 8 (MFG-E8)/integrin β3 signaling involved in airway inflammation and remodeling in asthma. BALB/c mice were sensitized by intraperitoneal injection of ovalbumin (OVA), followed by OVA nebulization. The levels of MFG-E8 expression were declined markedly in the OVA-induced allergy murine model...
August 4, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/30067891/the-extended-cytoplasmic-tail-of-the-human-b4galnt2-is-critical-for-its-golgi-targeting-and-post-golgi-sorting
#13
Sophie Groux-Degroote, Céline Schulz, Virginie Cogez, Maxence Noël, Lucie Portier, Dorothée Vicogne, Carlos Solorzano, Fabio Dall'Olio, Agata Steenackers, Marlène Mortuaire, Mariano Gonzalez-Pisfil, Mélanie Henry, François Foulquier, Laurent Héliot, Anne Harduin-Lepers
The Sda /Cad antigen reported on glycoconjugates of human tissues has an increasingly recognized wide impact on the physio-pathology of different biological systems. The last step of its biosynthesis relies on the enzymatic activity of the β1,4-N-acetylgalactosaminyltransferase-II (B4GALNT2), which shows the highest expression level in healthy colon. Previous studies reported the occurrence in human colonic cells of two B4GALNT2 protein isoforms that differ in the length of their cytoplasmic tail, the long isoform showing an extended 66 amino acids tail...
August 1, 2018: FEBS Journal
https://www.readbyqxmd.com/read/30066887/urate-crystals-induce-macrophage-paf%C3%A2-ah-secretion-which-is-differentially-regulated-by-tgf%C3%AE-1-and-hydrocortisone
#14
Darshna Yagnik, Frank Hills
The aim of the present study was to establish the role of platelet‑activating factor acetyl hydrolase (PAF‑AH) in the resolution phase of gout using an established in vitro mononuclear cell model. The effects of signalling pathway inhibitors on PAF‑AH secretion, as well as the effects of the common treatments hydrocortisone and colchicine, an antibody against the anti‑inflammatory cytokine transforming growth factor β1 (TGFβ1), and the transcriptional inhibitor actinomycin D, were also investigated...
July 26, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/30066105/characterization-of-rabbit-urine-derived-stem-cells-for-potential-application-in-lower-urinary-tract-tissue-regeneration
#15
Huai Yang, Bote Chen, Junhong Deng, Guiwu Zhuang, Shijian Wu, Guihua Liu, Chunhua Deng, Guosheng Yang, Xiaofu Qiu, Pinqing Wei, Xisheng Wang, Yuanyuan Zhang
Tissue-engineered urethra with autologous cells seeded on biodegradable scaffolds offers an alternative for lower urinary tract reconstruction. Rabbit is most commonly used as an animal model in urethra and bladder tissue repair. The goal of this study is to characterize rabbit urine-derived stem cells (rUSC) and induce these cells to differentiate into urothelial and smooth muscle cells as an autologous cell source for potential use in lower urinary tract tissue regeneration in a rabbit model. We successfully cultured rUSC from 12 urine samples and 13 bladder wash samples of six rabbits...
July 31, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/30066056/efficacy-and-mechanisms-underlying-the-effects-of-allogeneic-umbilical-cord-mesenchymal-stem-cell-transplantation-on-acute-radiation-injury-in-tree-shrews
#16
De-Bin Guo, Xiang-Qing Zhu, Qing-Qing Li, Gao-Mi-Yang Liu, Guang-Ping Ruan, Rong-Qing Pang, Yu-Hao Chen, Qiang Wang, Jin-Xiang Wang, Ju-Fen Liu, Qiang Chen, Xing-Hua Pan
Umbilical cord mesenchymal stem cells (UC-MSCs) exert strong immunomodulatory effects and can repair organs. However, their roles in radiation injury remain unclear. We show that in tree shrews with acute radiation injury, injected UC-MSCs significantly improved survival rates, reduced lung inflammation and apoptosis, prevented pulmonary fibrotic processes, recovered hematopoiesis, and increased blood counts. A protein microarray analysis showed that serum levels of the anti-inflammatory cytokines IL-10 and IL-13 and the growth factors BMP-5, BMP-7, HGF, insulin, NT-4, VEGFR3, and SCF were significantly higher, while those of the inflammatory cytokines IL-2, TIMP-2, TNF-α, IFN-γ, IL-1ra, and IL-8 and the fibrosis-related factors PDGF-BB, PDGF-AA, TGF-β1, IGFBP-2, and IGFBP-4 were significantly lower in UC-MSC-injected animals...
July 31, 2018: Cytotechnology
https://www.readbyqxmd.com/read/30061681/fbp17-and-cip4-recruit-ship2-and-lamellipodin-to-prime-the-plasma-membrane-for-fast-endophilin-mediated-endocytosis
#17
Laura Chan Wah Hak, Shaheen Khan, Ilaria Di Meglio, Ah-Lai Law, Safa Lucken-Ardjomande Häsler, Leonor M Quintaneiro, Antonio P A Ferreira, Matthias Krause, Harvey T McMahon, Emmanuel Boucrot
Endocytosis mediates the cellular uptake of micronutrients and the turnover of plasma membrane proteins. Clathrin-mediated endocytosis is the major uptake pathway in resting cells1 , but several clathrin-independent endocytic routes exist in parallel2,3 . One such pathway, fast endophilin-mediated endocytosis (FEME), is not constitutive but triggered upon activation of certain receptors, including the β1 adrenergic receptor4 . FEME activates promptly following stimulation as endophilin is pre-enriched by the phosphatidylinositol-3,4-bisphosphate-binding protein lamellipodin4,5 ...
July 30, 2018: Nature Cell Biology
https://www.readbyqxmd.com/read/30060053/angiotensin-ii-upregulates-fibroblast-myofibroblast-transition-through-cx43-dependent-camkii-and-tgf-%C3%AE-1-signaling-in-neonatal-rat-cardiac-fibroblasts
#18
Li Cao, Yunlin Chen, Li Lu, Yihao Liu, Yaowen Wang, Jinqi Fan, Yuehui Yin
In cardiac fibroblasts, angiotensin II (Ang II) can increase connexin 43 (Cx43) expression and promote calmodulin-dependent protein kinase II (CaMKII) activation. Cx43 overexpression is crucial for the fibroblast-myofibroblast transition. The main purpose of the present study was to investigate the role of CaMKII in regulating Cx43 expression and to determine whether the CaMKII/Cx43 pathway is essential for controlling fibroblast activation and differentiation. In vivo, 4 weeks of Ang II infusion enhanced CaMKII activation but reduced Cx43 expression in hearts undergoing fibrosis remodeling, while in cultured neonatal rat fibroblasts, CaMKII activation upregulated Cx43 expression via transforming growth factor-beta1 (TGF-β1)...
July 27, 2018: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/30059670/crosstalk-between-transforming-growth-factor-%C3%AE-1-and-endoplasmic-reticulum-stress-regulates-alpha-smooth-muscle-cell-actin-expression-in-podocytes
#19
Chien-An Chen, Jer-Ming Chang, Eddy-Essen Chang, Hung-Chun Chen, Yu-Lin Yang
AIMS: Transforming growth factor-β1 (TGF-β1) plays a significant role in epithelial-mesenchymal transition (EMT). Furthermore, endoplasmic reticulum (ER) stress also can induce EMT. However, the relationship among TGF-β1, ER stress and EMT in podocytes is still unclear. Consequently, this study examines the crosstalk effect between TGF-β1 and ER stress on the regulation of EMT. MAIN METHODS: The mRNA of EMT marker (α-smooth muscle actin: α-SMA) was evaluated by quantitative real-time PCR...
July 27, 2018: Life Sciences
https://www.readbyqxmd.com/read/30058704/liraglutide-improves-myocardial-fibrosis-after-myocardial-infarction-through-inhibition-of-ctgf-by-activating-camp-in-mice
#20
D-D Huang, H-F Huang, Q Yang, X-Q Chen
OBJECTIVE: To study the role and mechanism of liraglutide in myocardial fibrosis after myocardial infarction (MI). MATERIALS AND METHODS: A total of 72 C57/BL male mice were randomly divided into sham operation group (Sham group), myocardial infarction group (MI group), and liraglutide intervention group (Lira group). The left anterior descending coronary artery (LAD) of the mice in MI group and Lira group was ligated to establish the MI model. One week after the operation, the mice in Lira group were intraperitoneally injected with 100 μg/kg of liraglutide once a day for 4 weeks...
July 2018: European Review for Medical and Pharmacological Sciences
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