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https://www.readbyqxmd.com/read/28427524/kallistatin-suppresses-cancer-development-by-multi-factorial-actions
#1
REVIEW
Julie Chao, Pengfei Li, Lee Chao
Kallistatin was first identified in human plasma as a tissue kallikrein-binding protein and a serine proteinase inhibitor. Kallistatin via its two structural elements regulates differential signaling cascades, and thus a wide spectrum of biological functions. Kallistatin's active site is essential for: inhibiting tissue kallikrein's activity; stimulating endothelial nitric oxide synthase and sirtuin 1 expression and activation; and modulating the synthesis of the microRNAs, miR-34a, miR-21 and miR-203. Kallistatin's heparin-binding site is crucial for antagonizing the signaling pathways of vascular endothelial growth factor, tumor necrosis factor-α, Wnt, transforming growth factor-β and epidermal growth factor...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28426873/high-fat-diet-induced-leptin-and-wnt-expression-rna-sequencing-and-pathway-analysis-of-mouse-colonic-tissue-and-tumors
#2
Harrison M Penrose, Sandra Heller, Chloe Cable, Hani Nakhoul, Melody Baddoo, Erik Flemington, Susan E Crawford, Suzana D Savkovic
Obesity, an immense epidemic affecting approximately half a billion adults, has doubled in prevalence in the last several decades. Epidemiological data support that obesity, due to intake of a high-fat, western diet, increases the risk of colon cancer; however, the mechanisms underlying this risk remain unclear. Here, utilizing next generation RNA sequencing, we aimed to determine the high-fat diet (HFD) mediated expression profile in mouse colon and the azoxymethane/dextran sulfate sodium model of colon cancer...
March 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28418908/plasma-protein-profiling-in-patients-undergoing-coronary-artery-bypass-grafting-surgery-and-clinical-significance
#3
Zhi-Peng Guo, Hai-Tao Hou, Rui Jing, Zhen-Guo Song, Xiao-Cheng Liu, Guo-Wei He
This study was designed to identify the protein profiling in patients with triple vessel coronary artery disease (CAD) undergoing CABG, in order to detect CAD-related differential proteins in these patients. CABG patients with triple vessel disease with/without left main stenosis (n =160) were compared to normal coronary angiographic subjects (n =160). Plasma samples of 20 males and 20 females in each group were analyzed with iTRAQ technique. ELISA test was used to test the chosen proteins from iTRAQ results in plasma samples from a new cohort of the CABG group (n=120, male/femal=61/59) and control (n =120, male/female=60/60)...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414804/cyclosporine-a-alters-expression-of-renal-micrornas-new-insights-into-calcineurin-inhibitor-nephrotoxicity
#4
Jennifer L Gooch, Clayton King, Cynthia E Francis, Paul S Garcia, Yun Bai
Calcineurin inhibitors are powerful immunosuppressants that revolutionized organ transplantation. However, non-immune effects of the calcineurin inhibitor, such as cyclosporine A (CsA), have significantly hindered their use. Specifically, nephrotoxicity, which is associated with tubulointerstitial fibrosis, inflammation, and podocyte damage, affects up to half of all transplant patients. Calcineurin is involved in many aspects of kidney development and function; therefore, mechanisms of CsA-induced nephrotoxicity are complex and not yet fully understood...
2017: PloS One
https://www.readbyqxmd.com/read/28407733/the-kr%C3%A3-ppel-like-factor-9-cistrome-in-mouse-hippocampal-neurons-reveals-predominant-transcriptional-repression-via-proximal-promoter-binding
#5
Joseph R Knoedler, Arasakumar Subramani, Robert J Denver
BACKGROUND: Krüppel-like factor 9 (Klf9) is a zinc finger transcription factor that functions in neural cell differentiation, but little is known about its genomic targets or mechanism of action in neurons. RESULTS: We used the mouse hippocampus-derived neuronal cell line HT22 to identify genes regulated by Klf9, and we validated our findings in mouse hippocampus. We engineered HT22 cells to express a Klf9 transgene under control of the tetracycline repressor, and used RNA sequencing to identify genes modulated by Klf9...
April 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28402277/the-influence-of-tumor-necrosis-factor-%C3%AE-on-the-tumorigenic-wnt-signaling-pathway-in-human-mammary-tissue-from-obese-women
#6
Agathe Roubert, Kelly Gregory, Yuyang Li, Anna C Pfalzer, Jinchao Li, Sallie S Schneider, Richard J Wood, Zhenhua Liu
Epidemiological studies have convincingly suggested that obesity is an important risk factor for postmenopausal breast cancer, but the mechanisms responsible for this relationship are still not fully understood. We hypothesize that obesity creates a low-grade inflammatory microenvironment, which stimulates Wnt-signaling and thereby promotes the development of breast cancer. To test this hypothesis, we evaluated the correlations between expression of multiple inflammatory cytokines and Wnt pathway downstream genes in mammary tissues from women (age ≥ 50) undergoing reduction mammoplasty...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28396299/plasma-cytokine-profiling-to-predict-susceptibility-to-acute-mountain-sickness
#7
Hui Lu, Rong Wang, Wenbin Li, Hua Xie, Chang Wang, Ying Hao, Yuhuan Sun, Zhengping Jia
Extensive studies have been performed on acute mountain sickness (AMS), but biomarkers predicting AMS are lacking. Presently, the mainstay methods to identify AMS biomarkers include proteomic and genetic methods at high altitudes or in hypoxic simulated chambers. In the present study, we compared plasma cytokine profiles between AMS-susceptible individuals and AMS-resistant individuals at low altitude by cytokine array analysis. In total, 75 differentially expressed cytokines were identified between AMS-susceptible individuals and AMS-resistant individuals, most involved in inflammation...
November 1, 2016: European Cytokine Network
https://www.readbyqxmd.com/read/28371892/blocking-mir155hg-mir-155-axis-inhibits-mesenchymal-transition-in-glioma
#8
Xuechao Wu, Yingyi Wang, Tianfu Yu, Er Nie, Qi Hu, Weining Wu, Tongle Zhi, Kuan Jiang, Xiefeng Wang, Xiaojie Lu, Hailin Li, Ning Liu, Junxia Zhang, Yongping You
Background.: MIR155 host gene (MIR155HG) is a long noncoding RNA that has been considered as the primary micro (mi)RNA of miR-155. MIR155HG plays an essential role in hematopoiesis, inflammation, and tumorigenesis. Our study investigated the clinical significance, biological function, mechanisms, and small-molecule inhibitors of the MIR155HG/miR-155 axis in glioma. Methods.: We analyzed the expression of the MIR155HG/miR-155 axis and the correlation with glioma grade and patient survival using 2 different glioma gene expression datasets...
March 24, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28371601/attenuation-of-focal-adhesion-kinase-reduces-lipopolysaccharide-induced-inflammation-injury-through-inactivation-of-the-wnt-and-nf-%C3%AE%C2%BAb-pathways-in-a549-cells
#9
D Bai, S Cong, L P Zhu
Overall analysis and understanding of mechanisms are of great importance for treatment of infantile pneumonia due to its high morbidity and mortality worldwide. In this study, we preliminarily explored the function and mechanism of focal adhesion kinase (FAK) in regulation of inflammatory response induced by lipopolysaccharides in A549 cells. Flow cytometry, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, quantitative reverse transcription polymerase chain reaction, and Western blot analysis were used to explore the correlation of FAK expression with cell apoptosis, viability, and the inflammatory cytokine activity in A549 cells...
April 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28357509/downregulation-of-lizard-immuno-genes-in-the-regenerating-tail-and-myogenes-in-the-scarring-limb-suggests-that-tail-regeneration-occurs-in-an-immuno-privileged-organ
#10
Nicola Vitulo, Luisa Dalla Valle, Tatjana Skobo, Giorgio Valle, Lorenzo Alibardi
Amputated tails of lizards regenerate while limbs form scars which histological structure is very different from the original organs. Lizards provide useful information for regenerative medicine and some hypotheses on the loss of regeneration in terrestrial vertebrates. Analysis of tail and limb transcriptomes shows strong downregulation in the tail blastema for immunoglobulins and surface B and T receptors, cell function, and metabolism. In contrast, in the limb blastema genes for myogenesis, muscle and cell function, and extracellular matrix deposition but not immunity are variably downregulated...
March 29, 2017: Protoplasma
https://www.readbyqxmd.com/read/28357477/wnt5a-is-elevated-in-heart-failure-and-affects-cardiac-fibroblast-function
#11
Aurelija Abraityte, Leif E Vinge, Erik T Askevold, Tove Lekva, Annika E Michelsen, Trine Ranheim, Katrine Alfsnes, Arnt Fiane, Svend Aakhus, Ida G Lunde, Christen P Dahl, Pål Aukrust, Geir Christensen, Lars Gullestad, Arne Yndestad, Thor Ueland
Wnt signaling is dysregulated in heart failure (HF) and may promote cardiac hypertrophy, fibrosis, and inflammation. Blocking the Wnt ligand Wnt5a prevents HF in animal models. However, the role of Wnt5a in human HF and its functions in cardiac cells remain unclear. Here, we investigated Wnt5a regulation in HF patients and its effects on primary mouse and human cardiac fibroblasts. Serum Wnt5a was elevated in HF patients and associated with hemodynamic, neurohormonal, and clinical measures of disease severity...
March 30, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28355606/use-of-an-osteoblast-overload-damage-model-to-probe-the-effect-of-icariin-on-the-proliferation-differentiation-and-mineralization-of-mc3t3-e1-cells-through-the-wnt-%C3%AE-catenin-signalling-pathway
#12
Yingjie Liu, Lulu Huang, Baohui Hao, Hao Li, Shuanglong Zhu, Qiangsong Wang, Ruixin Li, Yunqiang Xu, Xizheng Zhang
BACKGROUND/AIMS: Mechanical loading plays an important role in the regulation of bone mass. However, bone cells are not always under physiological stress. In some cases, bone tissue is subjected to an overloaded mechanical environment. For example, a person who is weight training and a stevedore often experience bone pain, inflammation and other bone fatigue damage symptoms. Icariin is the major ingredient of Herba epimedii, which has been widely used for the treatment of bone injury in traditional Chinese medicine, but its mechanism remains unknown...
March 28, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28286503/wnt-tlr-dialog-in-neuroinflammation-relevance-in-alzheimer-s-disease
#13
REVIEW
Juan M Zolezzi, Nibaldo C Inestrosa
The innate immune system (IIS) represents the first line of defense against exogenous and endogenous harmful stimuli. Different types of pathogens and diverse molecules can activate the IIS via a ligand-receptor mechanism. Cytokine release, recruitment of immunocompetent cells, and inflammation constitute the initial steps in an IIS-mediated response. While balanced IIS activity can resolve a harmful event, an altered response, such as deficient or persistent IIS activity, will have a critical effect on organism homeostasis...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28274095/sphingosylphosphorylcholine-induces-thrombospondin-1-secretion-in-mcf10a-cells-via-erk2
#14
June Hee Kang, Hyun Ji Kim, Mi Kyung Park, Chang Hoon Lee
Sphingosylphosphorylcholine (SPC) is one of the bioactive phospholipids that has many cellular functions such as cell migration, adhesion, proliferation, angiogenesis, and Ca²⁺ signaling. Recent studies have reported that SPC induces invasion of breast cancer cells via matrix metalloproteinase-3 (MMP-3) secretion leading to WNT activation. Thrombospondin-1 (TSP-1) is a matricellular and calcium-binding protein that binds to a wide variety of integrin and non-integrin cell surface receptors. It regulates cell proliferation, migration, and apoptosis in inflammation, angiogenesis and neoplasia...
March 10, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28270411/-pro-renin-receptor-is-an-amplifier-of-wnt-%C3%AE-catenin-signaling-in-kidney-injury-and-fibrosis
#15
Zhen Li, Lili Zhou, Yongping Wang, Jinhua Miao, Xue Hong, Fan Fan Hou, Youhua Liu
The (pro)renin receptor (PRR) is a transmembrane protein with multiple functions. However, its regulation and role in the pathogenesis of CKD remain poorly defined. Here, we report that PRR is a downstream target and an essential component of Wnt/β-catenin signaling. In mouse models, induction of CKD by ischemia-reperfusion injury (IRI), adriamycin, or angiotensin II infusion upregulated PRR expression in kidney tubular epithelium. Immunohistochemical staining of kidney biopsy specimens also revealed induction of renal PRR in human CKD...
March 7, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28242765/a-novel-role-for-the-wnt-inhibitor-apcdd1-in-adipocyte-differentiation-implications-for-diet-induced-obesity
#16
Nicole K H Yiew, Tapan K Chatterjee, Yao Liang Tang, Rod Pellenberg, Brian K Stansfield, Zsolt Bagi, David J Fulton, David W Stepp, Weiqin Chen, Vijay Patel, Vinayak M Kamath, Sheldon E Litwin, David Y Hui, Steven M Rudich, Ha Won Kim, Neal L Weintraub
Impaired adipogenic differentiation during diet-induced obesity (DIO) promotes adipocyte hypertrophy and inflammation, thereby contributing to metabolic disease. Adenomatosis polyposis coli down-regulated 1 (APCDD1) has recently been identified as an inhibitor of Wnt signaling, a key regulator of adipogenic differentiation. Here we report a novel role for APCDD1 in adipogenic differentiation via repression of Wnt signaling and an epigenetic linkage between miR-130 and APCDD1 in DIO. APCDD1 expression was significantly up-regulated in mature adipocytes compared with undifferentiated preadipocytes in both human and mouse subcutaneous adipose tissues...
April 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28222105/stat3-cdc25a-dependent-cell-proliferation-promotes-embryonic-axis-extension-during-zebrafish-gastrulation
#17
Yinzi Liu, Diane S Sepich, Lilianna Solnica-Krezel
Cell proliferation has generally been considered dispensable for anteroposterior extension of embryonic axis during vertebrate gastrulation. Signal transducer and activator of transcription 3 (Stat3), a conserved controller of cell proliferation, survival and regeneration, is associated with human scoliosis, cancer and Hyper IgE Syndrome. Zebrafish Stat3 was proposed to govern convergence and extension gastrulation movements in part by promoting Wnt/Planar Cell Polarity (PCP) signaling, a conserved regulator of mediolaterally polarized cell behaviors...
February 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28219919/dickkopf-3-ablation-attenuates-the-development-of-atherosclerosis-in-apoe-deficient-mice
#18
Wen-Lin Cheng, Yang Yang, Xiao-Jing Zhang, Junhong Guo, Jun Gong, Fu-Han Gong, Zhi-Gang She, Zan Huang, Hao Xia, Hongliang Li
BACKGROUND: Dickkopf-3 (DKK3) is a negative regulator of the Wnt/β-catenin signaling pathway, which is involved in inflammation. However, little is known about the relationship between DKK3 expression and the progression of atherosclerosis. The aim of the present study was to define the role of DKK3 and its potential mechanism in the development of atherosclerosis. METHODS AND RESULTS: Immunofluorescence analysis showed that DKK3 was strongly expressed in macrophages of atherosclerotic plaques from patients with coronary heart disease and in hyperlipidemic mice...
February 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28217374/plecanatide-mediated-activation-of-guanylate-cyclase-c-suppresses-inflammation-induced-colorectal-carcinogenesis-in-apc-min-fccc-mice
#19
Wen-Chi L Chang, Shet Masih, Anusha Thadi, Viren Patwa, Apoorva Joshi, Harry S Cooper, Vaseem A Palejwala, Margie L Clapper, Kunwar Shailubhai
AIM: To evaluate the effect of orally administered plecanatide on colorectal dysplasia in Apc(+/Min-FCCC) mice with dextran sodium sulfate (DSS)-induced inflammation. METHODS: Inflammation driven colorectal carcinogenesis was induced in Apc(+/Min-FCCC) mice by administering DSS in their drinking water. Mice were fed a diet supplemented with plecanatide (0-20 ppm) and its effect on the multiplicity of histopathologically confirmed polypoid, flat and indeterminate dysplasia was evaluated...
February 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28212548/branched-chain-amino-acids-prevent-hepatic-fibrosis-and-development-of-hepatocellular-carcinoma-in-a-non-alcoholic-steatohepatitis-mouse-model
#20
Kai Takegoshi, Masao Honda, Hikari Okada, Riuta Takabatake, Naoto Matsuzawa-Nagata, Jean S Campbell, Masashi Nishikawa, Tetsuro Shimakami, Takayoshi Shirasaki, Yoshio Sakai, Taro Yamashita, Toshinari Takamura, Takuji Tanaka, Shuichi Kaneko
Oral supplementation with branched-chain amino acids (BCAA; leucine, isoleucine, and valine) in patients with liver cirrhosis potentially suppresses the incidence of hepatocellular carcinoma (HCC) and improves event-free survival. However, the detailed mechanisms of BCAA action have not been fully elucidated. BCAA were administered to atherogenic and high-fat (Ath+HF) diet-induced nonalcoholic steatohepatitis (NASH) model mice. Liver histology, tumor incidence, and gene expression profiles were evaluated. Ath+HF diet mice developed hepatic tumors at a high frequency at 68 weeks...
March 14, 2017: Oncotarget
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