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https://www.readbyqxmd.com/read/29161538/analysis-of-crash-proportion-by-vehicle-type-at-traffic-analysis-zone-level-a-mixed-fractional-split-multinomial-logit-modeling-approach-with-spatial-effects
#1
Jaeyoung Lee, Shamsunnahar Yasmin, Naveen Eluru, Mohamed Abdel-Aty, Qing Cai
In traffic safety literature, crash frequency variables are analyzed using univariate count models or multivariate count models. In this study, we propose an alternative approach to modeling multiple crash frequency dependent variables. Instead of modeling the frequency of crashes we propose to analyze the proportion of crashes by vehicle type. A flexible mixed multinomial logit fractional split model is employed for analyzing the proportions of crashes by vehicle type at the macro-level. In this model, the proportion allocated to an alternative is probabilistically determined based on the alternative propensity as well as the propensity of all other alternatives...
November 18, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/29156422/syndecan-1-in-mechanosensing-of-nanotopological-cues-in-engineered-materials
#2
Victoria Le, Jason Lee, Somali Chaterji, Adrianne Spencer, Yen-Liang Liu, Peter Kim, Hsin-Chih Yeh, Deok-Ho Kim, Aaron B Baker
The cells of the vascular system are highly sensitive to biophysical cues from their local cellular microenvironment. To engineer improved materials for vascular devices and delivery of cell therapies, a key challenge is to understand the mechanisms that cells use to sense biophysical cues from their environment. Syndecans are heparan sulfate proteoglycans (HSPGs) that consist of a protein core modified with heparan sulfate glycosaminoglycan chains. Due to their presence on the cell surface and their interaction with cytoskeletal and focal adhesion associated molecules, cell surface proteoglycans are well poised to serve as mechanosensors of the cellular microenvironment...
November 9, 2017: Biomaterials
https://www.readbyqxmd.com/read/29154888/activation-of-yap1-taz-signaling-in-ischemic-heart-disease-and-dilated-cardiomyopathy
#3
Ning Hou, Ying Wen, Xun Yuan, Haodong Xu, Xuejun Wang, Faqian Li, Bo Ye
Genetic manipulation of key components of the evolutionally conserved Hippo pathway has shown that the precise control of these signaling molecules is critical to cardiac development and response to stresses. However, how this pathway is involved in the progression of cardiac dysfunction in different heart diseases remains unclear. We investigated the expressional levels and subcellular localization of Yap1, Taz, and Tead1 and determined Hippo target gene expression in failing human hearts with ischemic heart disease (IHD) and idiopathic dilated cardiomyopathy (IDC) and mouse desmin-related cardiomyopathy (DES)...
November 15, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29145896/downregulation-of-mir-31-stimulates-expression-of-lats2-via-the-hippo-pathway-and-promotes-epithelial-mesenchymal-transition-in-esophageal-squamous-cell-carcinoma
#4
Yanping Gao, Jun Yi, Kai Zhang, Fan Bai, Bing Feng, Rui Wang, Xiaoyuan Chu, Longbang Chen, Haizhu Song
BACKGROUND: Dysregulation of miRNAs is associated with cancer development by coordinately suppressing abundant target genes. Emerging evidence indicates that miR-31 plays a dual role in tumorigenicity. However, whether miR-31 plays as an oncogene in esophageal squamous cell carcinoma (ESCC) and the potential target molecules are still unclear. MiR-31 role in ESCC was investigated and an association of the target molecules with EMT was identified in the progression of ESCC. METHODS: Western blot assays and qRT-PCR was performed to detect the protein and mRNA levels...
November 16, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29143545/taz-responds-to-fluid-shear-stress-to-regulate-the-cell-cycle
#5
Hyun Jung Lee, Adesuwa Ewere, Miguel F Diaz, Pamela L Wenzel
Physical forces associated with tumor growth and drainage alter cancer cell invasiveness and metastatic potential. We previously showed that fluid frictional force, or shear stress, typical of lymphatic flow induces YAP1/TAZ activation in prostate cancer cells to promote motility dependent upon YAP1 but not TAZ. Here, we show that shear stress elevates TAZ protein levels and promotes TAZ nuclear localization. Increased TAZ activity drives increased DNA synthesis and induces AMOTL2, ANKRD1, and CTGF gene transcription independently of YAP1...
November 16, 2017: Cell Cycle
https://www.readbyqxmd.com/read/29133764/advanced-role-of-hippo-signaling-in-endometrial-fibrosis-implications-for-intrauterine-adhesion
#6
REVIEW
Hai-Yan Zhu, Tian-Xiang Ge, Yi-Bin Pan, Song-Ying Zhang
OBJECTIVE: Intrauterine adhesion (IUA) is a major health problem that causes infertility, menstrual irregularities, and recurrent pregnancy losses in women. Unfortunately, treatments for IUA are limited, and there are currently no effective strategies for preventing IUA recurrence. In this review, we introduced the role of Hippo signaling in the normal endometrium and IUA and described the mechanisms by which the Hippo pathway integrates with the Wnt and transforming growth factor-β (TGF-β) signaling pathways to form an intricate network governing the development of fibrosis...
November 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29129703/identification-of-novel-mitochondrial-localization-signals-in-human-tafazzin-the-cause-of-the-inherited-cardiomyopathic-disorder-barth-syndrome
#7
Ana A Dinca, Wei-Ming Chien, Michael T Chin
Mutations in the gene tafazzin (TAZ) result in Barth syndrome (BTHS). Patients present with hypotonia, cyclic neutropenia, 3-methyglutaconic aciduria, and cardiomyopathy, which is the major cause of mortality. The recessive, X-linked TAZ gene encodes a mitochondrial membrane-associated phospholipid modifying enzyme, which adds unsaturated fatty acid species to monolysocardiolipin to generate mature cardiolipin in the mitochondrial membrane that is essential for mitochondrial morphology and function. To identify intrinsic mitochondrial localization sequences in the human TAZ protein, we made sequential TAZ peptide-eGFP fusion protein expression constructs and analyzed the localization of eGFP fluorescence by confocal microscopy...
November 10, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29126926/ajuba-increases-the-cisplatin-resistance-through-hippo-pathway-in-cervical-cancer
#8
Lihong Bi, Feng Ma, Rui Tian, Yanli Zhou, Weiguang Lan, Quanmao Song, Xiankui Cheng
Though LIM-domain protein AJUBA was identified as a putative oncogene, the function and underlying mechanisms of AJUBA in cervical cancer remain largely unknown. Firstly, AJUBA expression was detected via real-time quantitative PCR in patients' samples. Furthermore, Hela and Siha cells were transfected with AJUBA-overexpressing plasmids, and then exposed to cisplatin, the apoptosis was measured by cytometry assay. In addition, the expression of YAP and TAZ was disclosed through western blot assay. Our results revealed that AJUBA expression was significantly higher in the cervical cancer patients resistant to cisplatin treatment compared with cervical cancer patients sensitive to cisplatin treatment...
November 7, 2017: Gene
https://www.readbyqxmd.com/read/29116745/nanotopographic-regulation-of-human-mesenchymal-stem-cell-osteogenesis
#9
Weiyi Qian, Lanqi Gong, Xin Cui, Zijing Zhang, Apratim Bajpai, Chao Liu, Alesha B Castillo, Jeremy C M Teo, Weiqiang Chen
Mesenchymal stem cell (MSC) differentiation can be manipulated by nanotopographic interface providing a unique strategy to engineering stem cell therapy and circumventing complex cellular reprogramming. However, our understanding of the nanotopographic-mechanosensitive properties of MSCs and the underlying biophysical linkage of the nanotopography-engineered stem cell to directed commitment remains elusive. Here, we show that osteogenic differentiation of human MSCs (hMSCs) can be largely promoted using our nanoengineered topographic glass substrates in the absence of dexamethasone, a key exogenous factor for osteogenesis induction...
November 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29115596/rottlerin-inhibits-cell-growth-induces-apoptosis-and-cell-cycle-arrest-and-inhibits-cell-invasion-in-human-hepatocellular-carcinoma
#10
Jichan Shi, Hongye Ning, Guiqing He, Yitong Huang, Zhengxing Wu, Lingling Jin, Xiangao Jiang
Rottlerin, a polyphenolic compound, has been demonstrated to exhibit antitumor activity in various types of human cancer. Several studies have revealed that rottlerin exerts its anticancer function through PKC‑dependent and independent pathways. The transcriptional co‑activator with PDZ‑binding motif (TAZ) oncopreotein is an important molecule in regulation of the Hippo pathway in human cancer. The present study investigated whether rottlerin has a tumor suppressive role via inhibiting the expression of TAZ, using cell viability assay, apoptosis and cell cycle analyses, western blot analysis and Tanswell invasion assay...
October 27, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29115373/yap-and-taz-mediate-steroid-induced-alterations-in-the-trabecular-meshwork-cytoskeleton-in-human-trabecular-meshwork-cells
#11
Jie Peng, Hailian Wang, Xin Wang, Minghan Sun, Shaoping Deng, Yi Wang
Primary open angle glaucoma is an important type of glaucoma as it is one of the most common causes of blindness. Previous studies have demonstrated that in glaucomatous patients, the human trabecular meshwork (HTM) is markedly stiffened. The purpose of the present study was to determine the regulatory role of Yes-associated protein (YAP) and transcriptional coactivator with PDZ-binding motif (TAZ) in HTM cells. Primary HTM cells were cultured with different concentrations of dexamethasone (DEX), and the expression levels of YAP and TAZ were evaluated using reverse transcription-quantitative polymerase chain reaction and western blotting...
October 23, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29112934/long-non-coding-rna-gas5-antagonizes-the-chemoresistance-of-pancreatic-cancer-cells-through-down-regulation-of-mir-181c-5p
#12
Zhi-Qiang Gao, Jun-Feng Wang, De-Hua Chen, Xue-Song Ma, Wu Yang, Tang Zhe, Xiao-Wei Dang
OBJECTIVE: To explore the core mechanism of long non-coding RNA (lncRNA) growth arrest-specific transcript 5 (GAS5) in the regulation of multidrug resistance of pancreatic cancer cells. METHODS: mRNA levels of GAS5, miR-181c-5p and Hippo pathway related genes were detected by quantitative real-time PCR (qRT-PCR). Protein levels of MDR-1, MST1, YAP and TAZ were measured by western blot. Cell viability was detected by MTT assay. The combination between GAS5 and miR-181c-5p was confirmed by RNA pull-down and RNA immunoprecipitation (RIP) assay...
November 4, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29105970/effects-of-platelet-rich-plasma-on-biological-activity-and-bone-regeneration-of-brushite-based-calcium-phosphate-cement
#13
Md Lemon Hasan, Mirana Taz, Byong-Taek Lee
In this study, we focused on identifying the effects of platelet-rich plasma (PRP) on bioactivity and bone ingrowths incorporated into brushite cement. We introduced PRP as a series of substitutions with an aqueous citrate-ion solution, and the optimized cement with PRP showed no disintegration of the paste consistency. Incorporating PRP showed that the setting time decreased with the increasing of PRP ratios, although the compressive strength was not significantly changed. We evaluated in vitro degradation and bioactivity with the simulated body fluid test, and the result showed that adding PRP accelerated the carbonated apatite nucleation and markedly improved the surface reactivity of the cement...
November 6, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29099643/significant-expression-of-taz-protein-in-colon-cancer-cells-and-it-s-downregulation-by-radiation
#14
Surajit Pathak, Antara Banerjee, Wen-Jian Meng, Suman Kumar Nandy, Madhumala Gopinath, Xiao-Feng Sun
AIM: To demonstrate the radiation responses of TAZ in colon cancer. METHODS: TAZ expression was examined in colon cancer cell lines SW480, KM12C, SW620 and KM12L4a. We used KM12C and KM12L4a for the experiment by using X-rays and UV rays (mW/cm(2)). We used HCT15 cell line to test the expression of TAZ by using an anti-TAZ drug, viz., 9-fluorenone, which is a hippo-yap/taz signaling inhibitor. The experimentation also involved exposing HCT15 cell line, to radiation...
November 3, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/29096346/intraabdominal-abscess-caused-by-stenotrophomonas-maltophilia-a-case-report
#15
Toyomitsu Sawai, Sumako Yoshioka, Nobuko Matsuo, Naofumi Suyama, Hiroshi Mukae
INTRODUCTION: Stenotrophomonas maltophilia usually causes nosocomial infections, but intraabdominal abscesses or organ/space surgical site infection (SSI) secondary to this organism has been rarely reported. Here, we reported a rare case of SSI that presented as intraabdominal abscess caused by S. maltophilia. PRESENTATION OF CASE: A 68-year-old woman presented to our hospital with transverse colon cancer. Further work up with abdominal computed tomography (CT) revealed left renal cell carcinoma...
October 27, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29090372/insight-into-a-transcriptional-adaptor-zinc-finger-encoded-by-a-putative-protein-in-the-white-spot-syndrome-virus-genome
#16
Malathi Shekar, Moleyur Nagarajappa Venugopal
The transcriptional adaptor zinc (TAZ) fingers are a specialized class of zinc finger domains reported to exist only in eukaryotic transcriptional coactivator proteins. A putative protein within the shrimp white spot syndrome virus (WSSV) encodes for a TAZ domain, which is unique as no virus so far has been reported for the presence of this domain. Our study shows the viral TAZ domain to be similar to TAZ2 rather than TAZ1 domain of eukaryotic CREB-binding proteins and its paralog p300 proteins. Furthermore, as with eukaryotic TAZ2 domain which interacts and binds to several transcriptional factors including the p53 tumor suppressor protein, an in silico docking study of the WSSV-TAZ and the shrimp p53 transcriptional factor showed the two protein domains to be involved in a protein-protein interaction...
October 31, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/29071820/application-of-multigene-panel-sequencing-in-patients-with-prolonged-rate-corrected-qt-interval-and-no-pathogenic-variants-detected-in-kcnq1-kcnh2-and-scn5a
#17
Soo Hyun Seo, So Yeon Kim, Sung Im Cho, Hyunwoong Park, Seungjun Lee, Jong Moon Choi, Man Jin Kim, Jee Soo Lee, Kyung Jin Ahn, Mi Kyoung Song, Eun Jung Bae, Sung Sup Park, Moon Woo Seong
Long QT syndrome (LQTS) is an inherited cardiac disease characterized by a prolonged heart rate-corrected QT (QTc) interval. We investigated the genetic causes in patients with prolonged QTc intervals who were negative for pathogenic variants in three major LQTS-related genes (KCNQ1, KCNH2, and SCN5A). Molecular genetic testing was performed using a panel including 13 LQTS-related genes and 67 additional genes implicated in other cardiac diseases. Overall, putative genetic causes of prolonged QTc interval were identified in three of the 30 patients (10%)...
January 2018: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/29065973/pro-tumorigenic-roles-of-tgf-%C3%AE-signaling-during-the-early-stages-of-liver-tumorigenesis-through-upregulation-of-snail
#18
Hyuk Moon, Kwang-Hyub Han, Simon Weonsang Ro
Many studies have focused on the tumor suppressive role of TGF-β signaling during the early stages of tumorigenesis by activating the target genes involved in cytostasis and apoptosis. We investigated the effects of TGF-β inhibition on early tumorigenesis in the liver, by employing diverse inhibitory methods. Strikingly, TGF-β inhibition consistently suppressed hepatic tumorigenesis that was induced either by activated RAS plus p53 downregulation or by the co-activation of RAS and TAZ signaling; this demonstrates the requirements for canonical TGF-β signaling in tumorigenesis...
October 25, 2017: BMB Reports
https://www.readbyqxmd.com/read/29065506/expression-profiling-of-differentiating-emerin-null-myogenic-progenitor-identifies-molecular-pathways-implicated-in-their-impaired-differentiation
#19
Ashvin Iyer, Adam J Koch, James M Holaska
Mutations in the gene encoding emerin cause Emery-Dreifuss muscular dystrophy (EDMD), a disorder causing progressive skeletal muscle wasting, irregular heart rhythms and contractures of major tendons. RNA sequencing was performed on differentiating wildtype and emerin-null myogenic progenitors to identify molecular pathways implicated in EDMD, 340 genes were uniquely differentially expressed during the transition from day 0 to day 1 in wildtype cells. 1605 genes were uniquely expressed in emerin-null cells; 1706 genes were shared among both wildtype and emerin-null cells...
October 22, 2017: Cells
https://www.readbyqxmd.com/read/29055830/pharmacological-inhibition-of-tankyrase-induces-bone-loss-in-mice-by-increasing-osteoclastogenesis
#20
Shunichi Fujita, Tomoyuki Mukai, Takafumi Mito, Shoko Kodama, Akiko Nagasu, Mizuho Kittaka, Teruki Sone, Yasuyoshi Ueki, Yoshitaka Morita
Tankyrase is a poly (ADP-ribose) polymerase that leads to ubiquitination and degradation of target proteins. Since tankyrase inhibitors suppress the degradation of AXIN protein, a negative regulator of the canonical Wnt pathway, they effectively act as Wnt inhibitors. Small molecule tankyrase inhibitors are being investigated as drug candidates for cancer and fibrotic diseases, in which the Wnt pathways are aberrantly activated. Tankyrase is also reported to degrade the adaptor protein SH3BP2 (SH3 domain-binding protein 2)...
October 18, 2017: Bone
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