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https://www.readbyqxmd.com/read/28794235/integrin-linked-kinase-expression-in-myeloid-cells-promotes-inflammatory-signaling-during-experimental-colitis
#1
Afsar U Ahmed, Howard C H Yim, Mariah Alorro, Matthias Ernst, Bryan R G Williams
The pathology of inflammatory bowel diseases is driven by the inflammatory signaling pathways associated with mucosal epithelial damage. Myeloid cells are known to play an essential role in mediating epithelial inflammatory responses during injury. However, the precise role of these cells in stimulating intestinal inflammation and the subsequent tissue damage is unclear. In this article, we show that expression of integrin-linked kinase (ILK) in myeloid cells is critical for the epithelial inflammatory signaling during colitis induced by dextran sodium sulfate...
August 9, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28791358/ilk-promotes-cell-proliferation-in-breast-cancer-cells-by-activating-the-pi3k-akt-pathway
#2
Yikun Qu, Chunfang Hao, Jian Xu, Zhuoxin Cheng, Weiqun Wang, Hong Liu
Breast cancer is a very common malignant tumor, whose incidence ranks the first among various types of cancer in women worldwide. An important hallmark of cancer is the activation of oncogenes, which lead to overgrowth of cancer cells. Therefore, it is necessary to identify the critical genes involved in regulating the progression of breast cancer and elucidate the corresponding molecular mechanisms. The present study demonstrated that integrin‑linked kinase (ILK) overexpression promoted cell proliferation and growth in MCF‑7 cells, while ILK knockdown led to growth arrest in MDA‑MB‑231 cells...
August 7, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28790850/emodin-suppresses-proliferation-migration-and-invasion-in-ovarian-cancer-cells-by-down-regulating-ilk-in-vitro-and-in-vivo
#3
Jingjing Lu, Ying Xu, Zhe Zhao, Xiaoning Ke, Xuan Wei, Jia Kang, Xuan Zong, Hongluan Mao, Peishu Liu
OBJECTIVE: Although our previous studies have confirmed that 1, 3, 8-trihydroxy-6-methylant hraquinone (emodin) inhibits migration and invasion in epithelial ovarian cancer (EOC) cells, the underlying molecular mechanism remains unknown. Here, the aim was to investigate the effects of emodin on EOC cells and to study further the mechanism underlying this process, both in vitro and in vivo. MATERIALS AND METHODS: Cell proliferation was evaluated by the methylthiazolyl tetrazolium assay...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28780796/-changes-of-integrin-linked-kinase-expression-on-rats-pulmonary-fibrosis-induced-by-paraquat
#4
Y W Su, Y H Li, F Li, Y C Feng, H Huang, B X Wei, Y M Liu
Objective: To observe the expression of integrin-linked kinase on pulmonary fibrosis of paraquat (PQ) poisoning rats, and to discuss the relationship between ILK with pulmonary fibrosis induced by paraquat. Methods: Forty male Sprague-Dawley (SD) rats were randomly divided into control group and paraquat group, 20 in each group; the PQ group rats were intraperitoneally injected PQ liquid (18 mg/kg) , and the control group rats were injected the same volume of saline; 5 rats of these two groups were respectively sacrificed after 7, 14, 28, 56 days of PQ injection; according to the results of lung biopsy HE staining and Masson staining to observe the lung pathologic changes, measure the value of lung hydroxyproline and the expression of ILK...
May 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28779898/carbon-nanotube-release-from-polymers-into-a-food-simulant
#5
Yining Xia, Ilke Uysal Unalan, Maria Rubino, Rafael Auras
The release assessment of multi-walled carbon nanotubes (CNTs) was performed on two types of polymer-CNT nanocomposites: polypropylene (PP) and polyamide 6 (PA6) containing 3 wt% CNT. Nanocomposite films were prepared and then exposed to ethanol as a fatty-food simulant at 40 °C, and the amount of CNT release into ethanol was determined by ultraviolet-visible spectroscopy (UV-Vis) and graphite furnace atomic absorption spectrometry (GFAAS). The CNTs released into ethanol were visualized by transmission electron microscopy (TEM) and verified by Raman spectroscopy...
August 2, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28772020/interplay-between-lactobacillus-rhamnosus-gg-and-candida-and-the-involvement-of-exopolysaccharides
#6
Camille N Allonsius, Marianne F L van den Broek, Ilke De Boeck, Shari Kiekens, Eline F M Oerlemans, Filip Kiekens, Kenn Foubert, Dieter Vandenheuvel, Paul Cos, Peter Delputte, Sarah Lebeer
A number of clinical studies have shown protective effects of lactobacilli against Candida species in the gastrointestinal tract, the urogenital tract and the oral cavity, while others did not show clear effects. Evidence on the mode of action of lactobacilli against Candida is also still lacking. In this study, the anti-Candida activity of the model probiotic strain Lactobacillus rhamnosus GG was explored in different assays to determine molecular interactions. We found that L. rhamnosus GG was able to interfere with Candida growth, morphogenesis and adhesion...
August 3, 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/28736155/integrin-linked-kinase-regulates-the-transcription-of-aqp2-by-nfatc3
#7
Marco Hatem-Vaquero, Mercedes Griera, Wieslawa Giermakowska, Alicia Luengo, Laura Calleros, Laura V Gonzalez Bosc, Diego Rodríguez-Puyol, Manuel Rodríguez-Puyol, Sergio De Frutos
Two processes are associated with progressive loss of renal function: 1) decreased aquaporin-2 (AQP2) expression and urinary concentrating capacity (Nephrogenic Diabetes Insipidus, NDI); and 2) changes in extracellular matrix (ECM) composition, e.g. increased collagen I (Col I) deposition, characteristic of tubule-interstitial fibrosis. AQP2 expression is regulated by both the ECM-to-intracellular scaffold protein integrin-linked kinase (ILK) by NFATc/AP1 and other transcription factors. In the present work, we used in vivo and in vitro approaches to examine ILK participation in NFATc3/AP-1-mediated increases in AQP2 gene expression...
July 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28730475/characterization-of-ligand-binding-to-pseudokinases-using-a-thermal-shift-assay
#8
Isabelle S Lucet, James M Murphy
The protocol herein describes a robust and proven method for the measurement of pseudokinase-ligand interaction using a fluorescence-based thermal shift assay (TSA). Pseudokinases are kinase-like proteins that have recently emerged as crucial regulatory modules of signal transduction pathways and may well represent a novel class of drug targets. However, unlike kinases, the regulatory activity of pseudokinases is mainly conferred through protein-protein interactions. Understanding the mechanisms that underlie pseudokinase conformational changes through ligand binding and how such conformational changes can tune signaling pathways is a necessary step to unravel their biological functions...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28727374/dipyridamole-reduces-penile-apoptosis-in-a-rat-model-of-post-prostatectomy-erectile-dysfunction
#9
Omer Kutlu, Ersagun Karaguzel, Ali Ertan Okatan, Ahmet Mentese, Esin Yulug, Ilke Onur Kazaz, Selcuk Kutlu, Eyup Dil, Huseyin Eren, Ahmet Alver
PURPOSE: Despite the nerve-sparing technique, many patients suffer from erectile dysfunction after radical prostatectomy (RP) due to cavernous nerve injury. The aim of this study was to evaluate dipyridamole as a potential treatment agent of post-radical prostatectomy erectile dysfunction. MATERIAL AND METHODS: A total of 18 male Sprague-Dawley rats were randomized into three experimental Groups (SHAM+DMSO, BCNI+DMSO and BCNI+DIP). An animal model of bilateral cavernous nerve crush injury (BCNI) was established to mimic the partial nerve damage during nerve-sparing RP...
June 14, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28697798/a-proteomic-analysis-of-lrrk2-binding-partners-reveals-interactions-with-multiple-signaling-components-of-the-wnt-pcp-pathway
#10
Alena Salašová, Chika Yokota, David Potěšil, Zbyněk Zdráhal, Vítězslav Bryja, Ernest Arenas
BACKGROUND: Autosomal-dominant mutations in the Park8 gene encoding Leucine-rich repeat kinase 2 (LRRK2) have been identified to cause up to 40% of the genetic forms of Parkinson's disease. However, the function and molecular pathways regulated by LRRK2 are largely unknown. It has been shown that LRRK2 serves as a scaffold during activation of WNT/β-catenin signaling via its interaction with the β-catenin destruction complex, DVL1-3 and LRP6. In this study, we examine whether LRRK2 also interacts with signaling components of the WNT/Planar Cell Polarity (WNT/PCP) pathway, which controls the maturation of substantia nigra dopaminergic neurons, the main cell type lost in Parkinson's disease patients...
July 11, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28692035/role-of-integrin-linked-kinase-in-regulating-the-protein-stability-of-the-muc1-c-oncoprotein-in-pancreatic-cancer-cells
#11
H-L Huang, H-Y Wu, P-C Chu, I-L Lai, P-H Huang, S K Kulp, S-L Pan, C-M Teng, C-S Chen
MUC1-C overexpression has been associated with the progression of pancreatic tumors by promoting the aggressive and metastatic phenotypes. As MUC1 is a STAT3 target gene, STAT3 plays a major role in regulating MUC1-C expression. In this study, we report an alternative mechanism by which integrin-linked kinase (ILK) post-transcriptionally modulates the expression of MUC1-C by maintaining its protein stability in pancreatic cancer cells. We found that ILK acts in concert with STAT3 to facilitate IL-6-mediated upregulation of MUC1-C; ILK depletion was equally effective as STAT3 depletion in abolishing IL-6-induced MUC1-C overexpression without disturbing the phosphorylation or cellular distribution of STAT3...
July 10, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28676702/extracellular-matrix-promotes-clathrin-dependent-endocytosis-of-prolactin-and-stat5-activation-in-differentiating-mammary-epithelial-cells
#12
Rebecca E Bridgewater, Charles H Streuli, Patrick T Caswell
The hormone prolactin promotes lactational differentiation of mammary epithelial cells (MECs) via its cognate receptor and the downstream JAK2-STAT5a signalling pathway. In turn this regulates transcription of milk protein genes. Prolactin signalling depends on a cross-talk with basement membrane extracellular matrix (ECM) via β1 integrins which activate both ILK and Rac1 and are required for STAT5a activation and lactational differentiation. Endocytosis is an important regulator of signalling. It can both enhance and suppress cytokine signalling, although the role of endocytosis for prolactin signalling is not known...
July 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28670494/lycopene-reduces-ovarian-tumor-growth-and-intraperitoneal-metastatic-load
#13
Nina Pauline Holzapfel, Ali Shokoohmand, Ferdinand Wagner, Marietta Landgraf, Simon Champ, Boris Michael Holzapfel, Judith Ann Clements, Dietmar Werner Hutmacher, Daniela Loessner
Mutagens like oxidants cause lesions in the DNA of ovarian and fallopian tube epithelial cells, resulting in neoplastic transformation. Reduced exposure of surface epithelia to oxidative stress may prevent the onset or reduce the growth of ovarian cancer. Lycopene is well-known for its excellent antioxidant properties. In this study, the potential of lycopene in the prevention and treatment of ovarian cancer was investigated using an intraperitoneal animal model. Lycopene prevention significantly reduced the metastatic load of ovarian cancer-bearing mice, whereas treatment of already established ovarian tumors with lycopene significantly diminished the tumor burden...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28669853/effect-of-sirolimus-on-arteriosclerosis-induced-by-advanced-glycation-end-products-via-inhibition-of-the-ilk-mtor-pathway-in-kidney-transplantation-recipients
#14
Zhen Xu, Xuzhong Liu, Zijie Wang, Jun Tao, Zhijian Han, Min Gu, Wei Zhang, Ruoyun Tan
To investigate the effect and related mechanism of sirolimus (SRL) in arteriosclerosis(AS) induced by advanced glycation end products (AGEs) in kidney transplantation recipients (KTRs).Human kidney tissues from KTRs before and after treatment with SRL were assessed by hematoxylin-eosin and immunohistochemical staining. Rat vascular smooth muscle cells (VSMCs) were treated with AGEs and/or SRL. The expressions of α-smooth muscle actin (α-SMA), osteopontin (OPN), actinin-associated LIM protein (ALP), proliferating cell nuclear antigen (PCNA), integrin-linked kinase (ILK) and the mTOR signaling pathway proteins were examined using western blot assay...
June 29, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28657659/current-status-of-cadaver-sources-in-turkey-and-a-wake-up-call-for-turkish-anatomists
#15
İlke Ali Gürses, Osman Coşkun, Adnan Öztürk
Persisting difficulties in body procurement in Turkey led to the acquisition of donated, unclaimed, autopsied, and imported bodies regulated under current legislature. Yet, no study had investigated the extent of the on-going cadaver problem. This study was aimed to outline cadaver sources in anatomy departments and their effectiveness by means of an online survey. Additionally, official websites of each department were investigated regarding any information on body donation. Unclaimed cadavers (84.8%) were the major source for anatomy departments, followed by donated (50%) and imported cadavers (39...
June 28, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/28656052/effect-of-huayu-tongluo-herbs-on-reduction-of-proteinuria-via-inhibition-of-wnt-%C3%AE-catenin-signaling-pathway-in-diabetic-rats
#16
Lu Bai, Beibei Huo, Zhiqiang Chen, Qian Guo, Jing Xu, Jing Fang, Jianghua Zhang, Fenfang Zhang
The study investigated the expression of Wnt/β-catenin pathway in diabetic rats and the intervention effect of Huayu Tongluo herbs (HTH). Ten rats were randomly selected as control group and the remaining rats were established as diabetic models. The diabetic rats were randomly divided into model group and HTH treatment group. The intervention was intragastric administration in all rats for 20 weeks. At the end of every 4 weeks, fasting blood glucose and 24 h urinary total protein quantitatively were measured...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28651423/-advances-in-the-research-of-role-of-integrin-linked-kinase-in-angiogenesis
#17
W B Zhou, Y Y Li
Integrin-linked kinase (ILK) has been found for twenty years, and its biological characteristics have been extensively studied by multi-discipline. At present, studies of ILK are mainly focused on its roles in angiogenesis, tumor formation, and tissue fibrosis, etc. In recent years, the regulation effect of ILK in angiogenesis attracts attention of researchers. The studies showed that ILK can stimulate the secretion of angiogenic factor, promote the proliferation and migration of endothelial cells and inhibit their apoptosis, and therefore play an important role in the regulation of angiogenesis...
May 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28643758/effects-of-ef-24-rad001-and-paclitaxel-on-the-expression-profiles-of-apoptotic-and-anti-apoptotic-genes
#18
Ebru Alp, Akin Yilmaz, Hacer Ilke Onen, Emine Sevda Menevse
CONTEXT: Cancer cells exert differential responses to chemotherapeutics and inhibitors. To the best of our knowledge, a few or no research has been performed until now to determine the effect of EF-24 and RAD001 on MDA-MB-231 breast cancer cells with regard to mRNA expression of apoptotic and anti-apoptotic genes. AIMS: In this study, we aimed to investigate the mRNA expression levels of apoptotic (caspase 2 [CASP2], CASP8, and CASP9) and anti-apoptotic (B-cell lymphoma 2 [BCL2] and BCL2-like protein 1 [BCL2L1]) genes after exposure to paclitaxel, EF-24, and RAD001 in MDA-MB-231 cells...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28630423/thymosin-beta-4-regulates-activation-of-hepatic-stellate-cells-via-hedgehog-signaling
#19
Jieun Kim, Jeongeun Hyun, Sihyung Wang, Chanbin Lee, Jae-Wook Lee, Eun-Yi Moon, Heejae Cha, Anna Mae Diehl, Youngmi Jung
The molecular mechanisms of thymosin beta-4 (TB4) involved in regulating hepatic stellate cell (HSC) functions remain unclear. Therefore, we hypothesize that TB4 influences HSC activation through hedgehog (Hh) pathway. HSC functions declined in a TB4 siRNA-treated LX-2. TB4 suppression down-regulated both integrin linked kinase (ILK), an activator of smoothened, and phosphorylated glycogen synthase kinase 3 beta (pGSK-3B), an inactive form of GSK-3B degrading glioblastoma 2 (GLI2), followed by the decreased expression of both smoothened and GLI2...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28624995/how-does-it-feel-to-be-a-pathology-resident-results-of-a-survey-on-experiences-and-job-satisfaction-during-pathology-residency
#20
Burcin Pehlivanoglu, Hur Hassoy, Catarina Calle, Amelie Dendooven, ILKe Nalbantoglu, Lidiya Reshchikova, Gulen Gul, Basak Doganavsargil
Residents' career choices and professional motivation can be affected from perception of their role and recognition within a medical team as well as their educational and workplace experiences. To evaluate pathology trainees' perceptions of their pathology residency, we conducted a 42-item survey via a web-based link questioning respondents' personal and institutional background, workplace, training conditions, and job satisfaction level. For the 208 residents from different European countries who responded, personal expectations in terms of quality of life (53%) and scientific excitement (52%) were the most common reasons why they chose and enjoy pathology...
June 17, 2017: Virchows Archiv: An International Journal of Pathology
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