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https://www.readbyqxmd.com/read/28697798/a-proteomic-analysis-of-lrrk2-binding-partners-reveals-interactions-with-multiple-signaling-components-of-the-wnt-pcp-pathway
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28594262/an-analysis-of-gene-expression-data-involving-examination-of-signaling-pathways-activation-reveals-new-insights-into-the-mechanism-of-action-of-minoxidil-topical-foam-in-men-with-androgenetic-alopecia
#12
Georgios N Stamatas, Jeff Wu, Apostolos Pappas, Paradi Mirmirani, Thomas S McCormick, Kevin D Cooper, Mary Consolo, Jane Schastnaya, Ivan Ozerov, Alexander Aliper, Alex Zhavoronkov
Androgenetic alopecia is the most common form of hair loss. Minoxidil has been approved for the treatment of hair loss, however its mechanism of action is still not fully clarified. In this study, we aimed to elucidate the effects of 5% minoxidil topical foam on gene expression and activation of signaling pathways in vertex and frontal scalp of men with androgenetic alopecia. We identified regional variations in gene expression and perturbed signaling pathways using in silico Pathway Activation Network Decomposition Analysis (iPANDA) before and after treatment with minoxidil...
June 8, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28574598/integrin-linked-kinase-regulates-bone-formation-by-controlling-cytoskeletal-organization-and-modulating-bmp-and-wnt-signaling-in-osteoprogenitors
#13
Marian Dejaeger, Anna-Marei Böhm, Naomi Dirckx, Joke Devriese, Elena Nefyodova, Ruben Cardoen, René St-Arnaud, Jos Tournoy, Frank P Luyten, Christa Maes
Cell-matrix interactions constitute a fundamental aspect of skeletal cell biology and play essential roles in bone homeostasis. These interactions are primarily mediated by transmembrane integrin receptors, which mediate cell adhesion and transduce signals from the extracellular matrix to intracellular responses via various downstream effectors, including integrin-linked kinase (ILK). ILK functions as adaptor protein at focal adhesion sites, linking integrins to the actin cytoskeleton, and has been reported to act as a kinase phosphorylating signaling molecules such as GSK-3β and Akt...
June 2, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28565830/correlation-between-pkb-akt-gsk-3%C3%AE-expression-and-tubular-epithelial-mesenchymal-transition-in-renal-allografts-with-chronic-active-antibody-mediated-rejection
#14
Qiang Yan, Hao Luo, Baoyao Wang, Weiguo Sui, Guimian Zou, Huaizhou Chen, Hequn Zou
Chronic antibody-mediated rejection (ABMR) is a major cause of the transplant renal interstitial fibrosis and transplanted kidney epithelial cell transdifferentiation is one of the main mechanisms. The transforming growth factor (TGF)-β1/integrin-linked kinase (ILK) signaling pathway has a significant role in the epithelial-mesenchymal transition (EMT) of renal tubular epithelial cells; however, the molecular mechanisms of this process have remained elusive. The present study confirmed that Akt and glycogen synthase kinase (GSK)-3β, as TGF-β1 downstream signaling factors, are involved in fibrotic processes caused by kidney disease, which, however, has been rarely reported in the kidney transplant field...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28565779/expression-of-integrin-linked-kinase-improves-cardiac-function-in-a-swine-model-of-myocardial-infarction
#15
Wen Lu, Jun Xie, Rong Gu, Biao Xu
Previous studies have described the beneficial effects of overexpressing integrin-linked kinase (ILK) after myocardial infarction (MI) in small animal models. However, the effects of ILK in pre-clinical large animals are not known. To move closer to clinical translation, we examined the effects of ILK gene transfer in a swine model of ischemic heart disease. Swine received percutaneous intracoronary injections of adenoviral vector expressing ILK (n=10) or empty ad-null (n=10) in the left anterior descending coronary artery (LAD) following LAD occlusion...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28546219/inos-derived-nitric-oxide-induces-integrin-linked-kinase-endocytic-lysosome-mediated-degradation-in-the-vascular-endothelium
#16
Paula Reventun, Matilde Alique, Irene Cuadrado, Susana Márquez, Rocío Toro, Carlos Zaragoza, Marta Saura
OBJECTIVE: ILK (integrin-linked kinase) plays a key role in controlling vasomotor tone and is decreased in atherosclerosis. The objective of this study is to test whether nitric oxide (NO) regulates ILK in vascular remodeling. APPROACH AND RESULTS: We found a striking correlation between increased levels of inducible nitric oxide and decreased ILK levels in human atherosclerosis and in a mouse model of vascular remodeling (carotid artery ligation) comparing with iNOS (inducible NO synthase) knockout mice...
July 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28534712/benefit-of-adjunct-universal-rectal-screening-for-chlamydia-genital-infections-in-women-attending-canadian-sexually-transmitted-infection-clinics
#17
Nguyen X Thanh, Ilke Akpinar, Jennifer Gratrix, Sabrina Plitt, Petra Smyczek, Ron Read, Philip Jacobs, Tom Wong, Ameeta E Singh
Adding universal rectal screening to urogenital screening should positively impact rectal Chlamydia trachomatis (CT) incidence in affected populations. A dynamic Markov model was used to evaluate costs and outcomes of three rectal CT screening strategies among women attending sexually transmitted infection clinics in Alberta, Canada: universal urogenital-only screening (UG-only), additional selected (exposure-based) rectal screening (UG+SR), and additional universal rectal screening (UG+UR). The model included two mutually exclusive health states: infected and susceptible...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28522687/integrin-linked-kinase-signaling-promotes-cyst-growth-and-fibrosis-in-polycystic-kidney-disease
#18
Archana Raman, Gail A Reif, Yuqiao Dai, Aditi Khanna, Xiaogang Li, Lindsay Astleford, Stephen C Parnell, James P Calvet, Darren P Wallace
Autosomal dominant polycystic kidney disease (ADPKD) is characterized by innumerous fluid-filled cysts and progressive deterioration of renal function. Previously, we showed that periostin, a matricellular protein involved in tissue repair, is markedly overexpressed by cyst epithelial cells. Periostin promotes cell proliferation, cyst growth, interstitial fibrosis, and the decline in renal function in PKD mice. Here, we investigated the regulation of these processes by the integrin-linked kinase (ILK), a scaffold protein that links the extracellular matrix to the actin cytoskeleton and is stimulated by periostin...
May 18, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28512715/management-of-rainwater-harvesting-and-its-impact-on-the-health-of-people-in-the-middle-east-case-study-from-yatta-town-palestine
#19
Ilke Celik, Lina M A Tamimi, Issam A Al-Khatib, Defne S Apul
Water-related diseases are a primary problem in Palestine where many residents revert to harvested rainwater as their primary water source due to water shortages within the area. From an environmental engineering perspective, it is already well known that certain situations (e.g., cross contamination) reduce drinking water quality and ultimately cause diseases in a population. In this study, we investigated the social practices and situations that may lead to lower disease occurrence. Towards this goal, we surveyed 382 residents in Yatta to collect data on the water-related diseases that they experienced and the specific situations that might affect the disease occurrences such as the residents' practices (i) for maintaining a high quality of cistern water, (ii) for maintaining the environment around the cistern, and (iii) for managing the wastewater...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28503731/a-microfluidic-ion-pump-for-in-vivo-drug-delivery
#20
Ilke Uguz, Christopher M Proctor, Vincenzo F Curto, Anna-Maria Pappa, Mary J Donahue, Magali Ferro, Róisín M Owens, Dion Khodagholy, Sahika Inal, George G Malliaras
Implantable devices offer an alternative to systemic delivery of drugs for the treatment of neurological disorders. A microfluidic ion pump (µFIP), capable of delivering a drug without the solvent through electrophoresis, is developed. The device is characterized in vitro by delivering γ-amino butyric acid to a target solution, and demonstrates low-voltage operation, high drug-delivery capacity, and high ON/OFF ratio. It is also demonstrated that the device is suitable for cortical delivery in vivo by manipulating the local ion concentration in an animal model and altering neural behavior...
May 15, 2017: Advanced Materials
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