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https://www.readbyqxmd.com/read/28339909/il-17-and-cd40-ligand-synergistically-stimulate-the-chronicity-of-diabetic-nephropathy
#1
Huey-Liang Kuo, Chiu-Ching Huang, Tze-Yi Lin, Ching-Yuang Lin
Background.: Early stages of diabetic nephropathy (DN) are characterized by an influx of inflammatory cells. Interactions between infiltrating T cells and podocytes may play an important role in the ongoing inflammatory response and remodelling. The aim of this study was to explore the role of IL-17 and CD40 ligand (CD40L) in DN. Methods.: The study design involved a case series. Kidney biopsy samples of 69 patients with type 2 diabetes were assessed for the presence of CD4 +  IL-17 +  T cells...
March 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339906/interstitial-fibrosis-scored-on-whole-slide-digital-imaging-of-kidney-biopsies-is-a-predictor-of-outcome-in-proteinuric-glomerulopathies
#2
Laura H Mariani, Sebastian Martini, Laura Barisoni, Pietro A Canetta, Jonathan P Troost, Jeffrey B Hodgin, Matthew Palmer, Avi Z Rosenberg, Kevin V Lemley, Hui-Ping Chien, Jarcy Zee, Abigail Smith, Gerald B Appel, Howard Trachtman, Stephen M Hewitt, Matthias Kretzler, Serena M Bagnasco
Background.: Interstitial fibrosis (IF), tubular atrophy (TA) and interstitial inflammation (II) are known determinants of progression of renal disease. Standardized quantification of these features could add value to current classification of glomerulopathies. Methods.: We studied 315 participants in the Nephrotic Syndrome Study Network (NEPTUNE) study, including biopsy-proven minimal change disease (MCD = 98), focal segmental glomerulosclerosis (FSGS = 121), membranous nephropathy (MN = 59) and IgA nephropathy (IgAN = 37)...
February 27, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28336812/tgf-%C3%AE-1-stimulates-hdac4-nucleus-to-cytoplasm-translocation-and-nadph-oxidase4-derived-reactive-oxygen-species-in-normal-human-lung-fibroblasts
#3
Weichao Guo, Shigeki Saito, Cecilia G Sanchez, Yan Zhuang, Rafael E Gongora Rosero, Bin Shan, Fayong Luo, Joseph A Lasky
Myofibroblasts are important mediators of fibrogenesis, thus blocking fibroblast to myofibroblast differentiation (FMD) may be an effective strategy to treat pulmonary fibrosis (PF). Previously we reported that HDAC4 activity is necessary for TGF-β1-induced human lung FMD. Here we show that TGF-β1 increases NOX4 mRNA and protein expression in normal human lung fibroblasts (NHLFs) and causes nuclear export of HDAC4. Application of the NOX family inhibitor, diphenyleneiodonium chloride (DPI), reduces TGF-β1-induced HDAC4 nuclear export, expression of the myofibroblast marker α-smooth muscle actin (α-SMA), and α-SMA fiber formation...
March 23, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28330809/piperine-attenuates-pathological-cardiac-fibrosis-via-ppar-%C3%AE-akt-pathways
#4
Zhen-Guo Ma, Yu-Pei Yuan, Xin Zhang, Si-Chi Xu, Sha-Sha Wang, Qi-Zhu Tang
Mitogen-activated protein kinases (MAPKs) and AMP-activated protein kinase α (AMPKα) play critical roles in the process of cardiac hypertrophy. Previous studies have demonstrated that piperine activates AMPKα and reduces the phosphorylation of extracellular signal-regulated kinase (ERK). However, the effect of piperine on cardiac hypertrophy remains completely unknown. Here, we show that piperine-treated mice had similar hypertrophic responses as mice treated with vehicle but exhibited significantly attenuated cardiac fibrosis after pressure overload or isoprenaline (ISO) injection...
March 14, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28327149/release-kinetics-and-mitogenic-capacity-of-collagen-barrier-membranes-supplemented-with-secretome-of-activated-platelets-the-in-vitro-response-of-fibroblasts-of-the-periodontal-ligament-and-the-gingiva
#5
Eva-Maria Mozgan, Michael Edelmayer, Klara Janjić, Manuela Pensch, Michael B Fischer, Andreas Moritz, Hermann Agis
BACKGROUND: Platelet preparations can stimulate the healing process and have mitogenic properties. We hypothesized that collagen barrier membranes (CBM), clinically used in guided bone regeneration and guided tissue regeneration, can serve as carriers for platelet secretome. METHODS: Secretome was generated from washed platelets and unwashed platelets (washed/unwashed PSEC) and lyophilized onto CBM. Overall appearance of CBM was evaluated by scanning electron microscopy...
March 21, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28319415/transforming-growth-factor-beta-1-an-important-biomarker-for-developing-cardiovascular-diseases-in-chronic-renal-failure
#6
E Avci, G Alp Avci, B Ozcelik, S Coskun Cevher, M Suicmez
OBJECTIVE: Our study focuses on the determination and evaluation of TGF-β1 levels of patients receiving hemodialysis treatment because of chronic renal failure. BACKGROUND: Chronic renal failure, characterized by irreversible loss of renal function, is a major public health problem in the world. Transforming growth factor-beta is a multifunctional cytokine involved in the cellular growth, differentiation, migration, apoptosis and immune regulation. Among the three TGF-β isoforms, TGF-β1 plays a key role in the pathogenesis of renal diseases...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28319123/saccharomyces-boulardii-and-bacillus-subtilis-b10-modulate-tlrs-and-cytokines-expression-patterns-in-jejunum-and-ileum-of-broilers
#7
Imran Rashid Rajput, Huang Ying, Sun Yajing, Muhammad Asif Arain, Li Weifen, Li Ping, Dost Muhammad Bloch, Liu Wenhua
The present study was designed to evaluate the effects of Saccharomyces boulardii (Sb) and Bacillus subtilis B10 (Bs) on intestinal epithelial Toll like receptors (TLR), and Cytokine expression response to understand the intestinal epithelial innate immune mechanism in broilers. A total of 300 birds (Sanhuang broilers) were allotted into three groups (n = 100) and each divided into five replications (n = 20). Control group (Ctr) birds were fed basal diet, broilers in experimental groups received (1×108cfu/kg feed) Sb and Bs respectively in addition to basal diet for 72 days...
2017: PloS One
https://www.readbyqxmd.com/read/28318921/influence-of-tgf-%C3%AE-1-on-tumor-transition-in-oral-cancer-cell-and-bmsc-co-cultures
#8
F Böhrnsen, F Godek, J Kiesel, F J Kramer, P Brockmeyer, H Schliephake
OBJECTIVES: TGF-β1 signaling modulates epithelial mesenchymal transitions (EMT) of head and neck squamous cell carcinoma (HNSCC). Bone marrow mesenchymal stromal cells (BMSC) are able to exert a regulating influence on the expression of markers of EMT in HNSCC cells. It was thus the aim of this study to test the hypothesis that TGF-β1 modulates the interactions of tumor transition between BMSCs and HNSCC, affecting the expression of E-cadherin, Vimentin, Snail, Twist, MMP14 and beta-catenin...
February 17, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28316163/-effects-of-silencing-smad-ubiquitination-regulatory-factor-2-on-the-function-of-human-hypertrophic-scar-derived-fibroblasts
#9
Z Zhang, F Kuang, C L Liu, B Chen, W B Tang, X J Li
Objective: To explore the effects of silencing Smad ubiquitination regulatory factor 2 (Smurf2) on the secretion of transforming growth factor beta 1 (TGF-β(1)), alpha-smooth muscle actin (α-SMA), and collagen type Ⅰ by human hypertrophic scar-derived fibroblasts. Methods: The human normal skin-derived fibroblasts and hypertrophic scar-derived fibroblasts were cultured with explant culture technique from the normal skin and hypertrophic scar tissue, which was obtained from 9 patients with hypertrophic scars after burn...
March 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28316160/-effect-of-low-dose-erythromycin-on-the-proliferation-of-granulation-tissue-after-tracheal-injury
#10
L H Li, M P Xu, L M Gan, Y Li, Y L Liang, W T Li, E Y Qin, J H Gan, G N Liu
Objective: To investigate the effect of low dose erythromycin on the proliferation of granulation tissue after tracheal injury. Methods: Forty-two rabbits were randomly divided into 7 groups (n=6 each), group A (saline control group), group B (penicillin group), group C (low dose erythromycin group), group D (low dose erythromycin and penicillin group), group E (budesonide group), group F (low dose erythromycin and budesonide group), group G (low dose erythromycin, penicillin and budesonide group). All rabbits received tracheotomy, and the tracheal mucosa was scraped with a nylon brush 20 times for tracheal stenosis model...
March 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28303157/tangshen-formula-attenuates-colonic-structure-remodeling-in-type-2-diabetic-rats
#11
Pengmin Chen, Jingbo Zhao, Haojun Zhang, Xin Yang, Tingting Zhao, Huicun Zhang, Meihua Yan, Lin Pan, Xin Li, Yun Zhang, Ping Li
Aim. This study investigated the effect and mechanism of the Chinese herbal medicine Tangshen Formula (TSF) on GI structure remodeling in the rat model of diabetes. Methods. Type 2 diabetic rats were used. Wet weight per unit length, layer thicknesses, levels of collagens I and III, nuclear factor kappa B (NF-κB), interferon-γ (IFN-γ), interleukin-6 (IL-6), transforming growth factor-β1 (TGF-β1), and Smad2/3 expression in the rat colon were measured. Results. Compared with the control group animals, wet weight and layer thicknesses of the colon increased, and expressions of collagens I and III, NF-κB, IFN-γ, IL-6, TGF-β1, and Smad2/3 increased significantly in the diabetic animals...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28301738/active-immunization-against-transforming-growth-factor-beta1-prevents-hepatic-fibrosis-in-a-rat-model-of-liver-disease
#12
Hong Ji, Gerald Y Minuk, Zhikang Peng, Yongping Chen, Chenwei Pan, Yuewen Gong
Transforming growth factor-beta1 (TGF-β1) plays an important role in hepatic fibrogenesis. To document the effects of active immunization against TGF-β1 on hepatic fibrosis in an animal model of chronic liver disease. BALB/c mice were immunized against three different peptides of TGF-β1 ligated into hepatitis B virus core protein (HBVc). Titers of TGF-β1 antibodies were documented by enzyme linked immunoassays and antibody activity by cell membrane receptor binding and proliferation assays. The most immunogenic recombinant HBVc+TGF-β1 peptide (HBVc+C) then served as a vaccine in Sprague-Dawley rats with dimethylnitrosamine-induced chronic liver disease...
March 16, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28301572/far-infrared-suppresses-skin-photoaging-in-ultraviolet-b-exposed-fibroblasts-and-hairless-mice
#13
Hui-Wen Chiu, Cheng-Hsien Chen, Yi-Jie Chen, Yung-Ho Hsu
Ultraviolet (UV) induces skin photoaging, which is characterized by thickening, wrinkling, pigmentation, and dryness. Collagen, which is one of the main building blocks of human skin, is regulated by collagen synthesis and collagen breakdown. Autophagy was found to block the epidermal hyperproliferative response to UVB and may play a crucial role in preventing skin photoaging. In the present study, we investigated whether far-infrared (FIR) therapy can inhibit skin photoaging via UVB irradiation in NIH 3T3 mouse embryonic fibroblasts and SKH-1 hairless mice...
2017: PloS One
https://www.readbyqxmd.com/read/28300844/il-27-triggers-il-10-production-in-th17-cells-via-a-c-maf-ror%C3%AE-t-blimp-1-signal-to-promote-the-progression-of-endometriosis
#14
Kai-Kai Chang, Li-Bing Liu, Li-Ping Jin, Bing Zhang, Jie Mei, Hui Li, Chun-Yan Wei, Wen-Jie Zhou, Xiao-Yong Zhu, Jun Shao, Da-Jin Li, Ming-Qing Li
Endometriosis is an estrogen-dependent inflammatory disease. The anti-inflammatory cytokine IL-10 is also increased in endometriosis. IL-10 production by Th17 cells is critical for limiting autoimmunity and inflammatory responses. However, the mechanism of inducing IL-10-producing Th17 cells is still largely unknown. The present study investigated the differentiation mechanism and role of IL-10-producing Th17 cells in endometriosis. Here, we report that IL-10(+)Th17 cells are significantly increased in the peritoneal fluid of women with endometriosis, along with an elevation of IL-27, IL-6 and TGF-β...
March 16, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28298474/tumor-protein-d52-expression-is-post-transcriptionally-regulated-by-t-cell-intercellular-antigen-tia-1-and-tia-related-protein-via-mrna-stability
#15
Hiromi Motohashi, Yoshiki Mukudai, Chihiro Ito, Kosuke Kato, Toshikazu Shimane, Seiji Kondo, Tatsuo Shirota
Although tumor protein D52 (TPD) family proteins were first identified nearly 20 years ago, their molecular regulatory mechanisms remain unclear. Therefore, we investigated the post-transcriptional regulation of TPD52 family genes. An RNA immunoprecipitation assay showed the potential binding ability of TPD52 family mRNAs to several RNA-binding proteins, and an RNA degradation assay revealed that TPD52 is subject to more prominent post-transcriptional regulation than TPD53 and 54. We subsequently focused on the 3'-untranslated region (3'-UTR) of TPD52 as a cis -acting element in post-transcriptional gene regulation...
March 15, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28298070/pulmonary-injury-associated-with-radiation-therapy-assessment-complications-and-therapeutic-targets
#16
REVIEW
Rasmi Rajan Radha, Guruvayoorappan Chandrasekharan
Pulmonary injury is more common in patients undergoing radiation therapy for lungs and other thoracic malignancies. Recently with the use of most-advanced technologies powerful doses of radiation can be delivered directly to tumor site with exquisite precision. The awareness of technical and clinical parameters that influence the chance of radiation induced lung injury is important to guide patient selection and toxicity minimization strategies. At the cellular level, radiation activates free radical production, leading to DNA damage, apoptosis, cell cycle changes, and reduced cell survival...
March 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28297566/instructive-role-of-the-microenvironment-in-preventing-renal-fibrosis
#17
Kei Matsumoto, Sandhya Xavier, Jun Chen, Yujiro Kida, Mark Lipphardt, Reina Ikeda, Annie Gevertz, Mario Caviris, Antonis K Hatzopoulos, Ivo Kalajzic, James Dutton, Brian B Ratliff, Hong Zhao, Zbygniew Darzynkiewicz, Stefan Rose-John, Michael S Goligorsky
Accumulation of myofibroblasts is a hallmark of renal fibrosis. A significant proportion of myofibroblasts has been reported to originate via endothelial-mesenchymal transition. We initially hypothesized that exposing myofibroblasts to the extract of endothelial progenitor cells (EPCs) could reverse this transition. Indeed, in vitro treatment of transforming growth factor-β1 (TGF-β1)-activated fibroblasts with EPC extract prevented expression of α-smooth muscle actin (α-SMA); however, it did not enhance expression of endothelial markers...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28291251/activated-hepatic-stellate-cells-impair-nk-cell-anti-fibrosis-capacity-through-a-tgf-%C3%AE-dependent-emperipolesis-in-hbv-cirrhotic-patients
#18
Jijing Shi, Juanjuan Zhao, Xin Zhang, Yongqian Cheng, Jinhua Hu, Yuanyuan Li, Xin Zhao, Qinghua Shang, Yanling Sun, Bo Tu, Lei Shi, Bin Gao, Fu-Sheng Wang, Zheng Zhang
Natural killer (NK) cells can induce liver fibrosis remission by killing hepatic stellate cells (HSCs) and producing interferon (IFN)-γ in a mouse model; however, their anti-fibrotic immune-characteristics and regulatory mechanisms by HSCs remain to be determined, especially in livers from HBV-infected liver cirrhosis (LC) patients. We analyzed frequency, phenotype and anti-fibrotic function of hepatic and peripheral NK subsets in 43 HBV-LC patients. We found that hepatic NK subsets from LC patients displayed a decreased frequency, activation status and anti-fibrotic activity compared with those from chronic hepatitis B patients, which were mainly mediated by increased intrahepatic tumour-growth factor (TGF)-β because blockade of TGF-β significantly reversed NK anti-fibrotic function in vitro...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28288136/oncostatin-m-promotes-cancer-cell-plasticity-through-cooperative-stat3-smad3-signaling
#19
D J Junk, B L Bryson, J M Smigiel, N Parameswaran, C A Bartel, M W Jackson
Increasing evidence supports the idea that cancer cell plasticity promotes metastasis and tumor recurrence, resulting in patient mortality. While it is clear that the tumor microenvironment (TME) contributes to cancer cell plasticity, the specific TME factors most actively controlling plasticity remain largely unknown. Here, we performed a screen to identify TME cytokines and growth factors that promote epithelial-mesenchymal plasticity, and acquisition of cancer stem cell (CSC) properties. Of 28 TME cytokines and growth factors tested, we identified Oncostatin M (OSM) as the most potent inducer of mesenchymal/CSC properties...
March 13, 2017: Oncogene
https://www.readbyqxmd.com/read/28275800/-expressions-and-clinical-significance-of-tgf-%C3%AE-rii-and-nf-%C3%AE%C2%BAb-in-oral-squamous-cell-carcinoma
#20
Li-Lan Jiang, Ya-Jun Zhao, Yong Li
PURPOSE: To investigate the expression of nuclear factor κappa-B (NF-κB) and transforming growth factor β receptor II (TGF-βRII) and their clinical pathological significance in oral squamous cell carcinoma(OSCC). METHODS: The expression of NF-κB and TGF-βRII in 60 OSCC samples, 20 adjacent tissues, 29 metastatic lymph nodes and 10 non-metastatic lymph nodes were detected by immunohistological method. Statistical analysis was performed with SPSS 20.0 software package...
December 2016: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
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