نتایج جستجو برای: esc

تعداد نتایج: 4461  

2016
Yang Zhu Yaoyu Li Liujia Dong Timothy I. Salsbury John M. House

The variable refrigerant flow (VRF) system features the regulation of refrigerant flow to achieve individualized heating and cooling for multi-zone operation. However, such flexibility in configuration presents large variations in system characteristics and thermal loads. Performance of model based control and optimization would thus be limited. The extremum seeking control (ESC) has recently b...

Journal: :Development 1998
F Tie T Furuyama P J Harte

The Polycomb Group gene esc encodes an evolutionarily conserved protein required for transcriptional silencing of the homeotic genes. Unlike other Polycomb Group genes, esc is expressed and apparently required only during early embryogenesis, suggesting it is required for the initial establishment of silencing but not for its subsequent maintenance. We present evidence that the ESC protein inte...

2009
Erik Hellström Jonas Jansson Jan Åslund

The objective of this thesis is to implement a basic, yet realistic, ESC system into the VTI simulator environment. This system is then validated to assure that it is working properly and provides a realistic behavior. The implemented ESC system is used in a study, where the ESC system could be turned on and off, to evaluate the benefits of an ESC system after a side impact. This study shows th...

2013
Daniel C. Kraushaar Keji Zhao

Embryonic stem cells (ESCs) possess an open and highly dynamic chromatin landscape, which underlies their plasticity and ultimately maintains ESC pluripotency. The ESC epigenome must not only maintain the transcription of pluripotency-associated genes but must also, through gene priming, facilitate rapid and cell type-specific activation of developmental genes upon lineage commitment. Trans-gen...

2013
Briana D. Ormsbee Golden Erin L. Wuebben Angie Rizzino

The self-renewal and pluripotency of embryonic stem cells (ESC) is regulated by a highly integrated network of essential transcription factors, which includes Sox2. Previous studies have shown that elevating Sox2 on its own in mouse ESC induces differentiation and inhibits the expression of endogenous Sox2 at the protein and mRNA level. These findings led us to hypothesize that increases in Sox...

Journal: :international clinical neurosciences journal 0
mohammad salehi cellular and molecular biology research center, shahid beheshti university of medical sciences, tehran, iran. department of biotechnology, school of advanced technologies in medicine, shahid beheshti university of medical sciences, tehran, iran. saeed oraee-yazdani functional neurosurgery research center, shahid beheshti university of medical sciences, tehran, iran. stem cell biology department, stem cell technology research center, tehran, iran alireza zali functional neurosurgery research center, shahid beheshti university of medical sciences, tehran, iran. masoud soleimani hematology department, faculty of medical sciences, tarbiat modares university, tehran, iran

background: transplantation approaches are interventions currently available to apply to the devastating problem of spinal cord injury (sci). olfactory ensheathing cell (oec) and embryonic stem cell (esc) are considered to be promising therapeutic strategies . in this study, we compared the potential use of oecs and neurally pre-differentiated escs in contusion spinal cord. methods: oecs were h...

Journal: :Antimicrobial agents and chemotherapy 2014
Benjamin A Rogers Paul R Ingram Naomi Runnegar Matthew C Pitman Joshua T Freeman Eugene Athan Sally M Havers Hanna E Sidjabat Mark Jones Earleen Gunning Mary De Almeida Kaylene Styles David L Paterson

By global standards, the prevalence of community-onset expanded-spectrum-cephalosporin-resistant (ESC-R) Escherichia coli remains low in Australia and New Zealand. Of concern, our countries are in a unique position, with high extramural resistance pressure from close population and trade links to Asia-Pacific neighbors with high ESC-R E. coli rates. We aimed to characterize the risks and dynami...

2018
Xiaoni Liu Shuang Wang Jianji Xu Buxin Kou Dexi Chen Yajie Wang Xiaoxin Zhu

BACKGROUND MicroRNAs(miRNAs)are involved in the initiation and progression of hepatocellular carcinoma. ESC, an extract of Stellerachamaejasme L, had been confirmed as a potential anti-tumor extract of Traditional Chinese Medicine. In light of the important role of miRNAs in hepatocellular carcinoma, we questioned whether the inhibitory effects of ESC on hepatocellular carcinoma (HCC) were asso...

2014
Nils-Holger Zschemisch Regina Eisenblätter Cornelia Rudolph Silke Glage Martina Dorsch

Feeder cells are essential for the establishment and culture of pluripotent rat embryonic stem cells (ESC) in vitro. Therefore, we tested several fibroblast and epithelial cell lines derived from the female genital tract as feeder cells to further improve ESC culture conditions. The immortalized tumor derived rat fibroblast TRF-O3 cells isolated from a Dnd1-deficient teratoma were identified as...

2017
Amit Goel Channabasappa Shivaprasad Anish Kolly Vijaya Sarathi H A Sridevi Atluri

The early diagnosis of diabetic peripheral neuropathy (DPN) is challenging. Sudomotor dysfunction is one of the earliest detectable abnormalities in DPN. The present study aimed to determine the diagnostic performance of the electrochemical skin conductance (ESC) test in detecting early DPN, compared with the vibration perception threshold (VPT) test and diabetic neuropathy symptom (DNS) score,...

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