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17 papers found.
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Evaluation of highly carbonated hydroxyapatite bioceramic implant coatings with hierarchical micro-/nanorod topography optimized for osseointegration

Evaluation of highly carbonated hydroxyapatite bioceramic implant coatings with hierarchical micro-/nanorod topography optimized for osseointegration Shuang Li,1,2 Weijun Yu,3 Weiqi Zhang,1 Guohua ... acquisition and analysis and drafting of the manuscript. Weijun Yu contributed to data acquisition, analysis and interpretation for the study. Weiqi Zhang contributed to data acquisition and analysis of the

Differential stem cell aging kinetics in Hutchinson-Gilford progeria syndrome and Werner syndrome

/G608G) LMNA mutation and biallelic WRN knockout, for modeling HGPS and WS Zeming Wu, Weiqi Zhang, Moshi Song have contributed equally to this work. pathogenesis, respectively. While ESCs and endothelial ... GUIDELINES Zeming Wu, Weiqi Zhang, Moshi Song, Wei Wang, Gang Wei, Wei Li, Jinghui Lei, Yu Huang, Yanmei Sang, Piu Chan, Chang Chen, Jing Qu, Keiichiro Suzuki, Juan Carlos Izpisua Belmonte and Guang-Hui Liu

The moose, purine degradation, and environmental adaptation

It is accepted that allantoin is the end-product of purine degradation in mammals, except that uricase activity has been lost during the evolution of humans in which uric acid protects the brain from oxidative damage. However, we have found that the moose Alces americanus excretes extremely low urinary concentrations of allantoin and high concentrations of uric acid very similar...

Influential Node Control Strategy for Opinion Evolution on Social Networks

We study opinion dynamics in social networks and present a new strategy to control the invasive opinion. A developed continuous-opinion evolution model is proposed to describe the mechanism of making decision in closed community. Two basic strategies of evolution are determined, and some basic features of our new model are analyzed. We study the different invasive strategies. It...

Vitamin C alleviates aging defects in a stem cell model for Werner syndrome

Ye, Yu Wang, Jian Li, Jie Qiao, Jing Qu, Weiqi Zhang, and Guang-Hui Liu declare that they have no conflict of interest. All institutional and national guidelines for the care and use of laboratory

Evolution of iPSC disease models

Weiqi Zhang 0 Zhichao Ding 0 Guang-Hui Liu 0 0 National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences , Beijing 100101, China - Human induced pluripotent

Modeling xeroderma pigmentosum associated neurological pathologies with patients-derived iPSCs

pigmentosum. COMPLIANCE WITH ETHICS GUIDELINES Lina Fu, Xiuling Xu, Ruotong Ren, Jun Wu, Weiqi Zhang, Jiping Yang, Xiaoqing Ren, Si Wang, Yang Zhao, Liang Sun, Yang Yu, Zhaoxia Wang, Ze Yang, Yun Yuan, Jie

Find and replace: editing human genome in pluripotent stem cells

Genetic manipulation of human pluripotent stem cells (hPSCs) provides a powerful tool for modeling diseases and developing future medicine. Recently a number of independent genome-editing techniques were developed, including plasmid, bacterial artificial chromosome, adeno-associated virus vector, zinc finger nuclease, transcription activator-like effecter nuclease, and helper...

Probing the Behaviors of Gold Nanorods in Metastatic Breast Cancer Cells Based on UV-vis-NIR Absorption Spectroscopy

In this work, behaviors of positively-charged AuNRs in a highly metastatic tumor cell line MDA-MB-231 are examined based on UV-vis-NIR absorption spectroscopy in combination with inductively coupled plasma mass spectrometry (ICP-MS), transmission electron microscopy (TEM) and dark-field microscopic observation. It is found that characteristic surface plasmon resonance (SPR) peaks...

Effects of Long and Short Carboxylated or Aminated Multiwalled Carbon Nanotubes on Blood Coagulation

In this work the effects of four different multiwalled carbon nanotubes (MWCNTs), including long carboxylated (L-COOH), short carboxylated (S-COOH), long aminated (L-NH2) and short aminated (S-NH2) ones, on the integrity of red blood cells, coagulation kinetics and activation of platelets were investigated with human whole blood. We found that the four MWCNTs induced different...

Global DNA methylation and transcriptional analyses of human ESC-derived cardiomyocytes

. COMPLIANCE WITH ETHICS GUIDELINES Ying Gu, Guang-Hui Liu, Nongluk Plongthongkum, Christopher Benner, Fei Yi, Jing Qu, Keiichiro Suzuki, Jiping Yang, Weiqi Zhang, Mo Li, Nuria Montserrat, Isaac Crespo, Antonio

P21cip-Overexpression in the Mouse β Cells Leads to the Improved Recovery from Streptozotocin-Induced Diabetes

Under normal conditions, the regeneration of mouse β cells is mainly dependent on their own duplication. Although there is evidence that pancreatic progenitor cells exist around duct, whether non-β cells in the islet could also potentially contribute to β cell regeneration in vivo is still controversial. Here, we developed a novel transgenic mouse model to study the pancreatic...

Neuronal MHC Class I Molecules are Involved in Excitatory Synaptic Transmission at the Hippocampal Mossy Fiber Synapses of Marmoset Monkeys

Several recent studies suggested a role for neuronal major histocompatibility complex class I (MHCI) molecules in certain forms of synaptic plasticity in the hippocampus of rodents. Here, we report for the first time on the expression pattern and functional properties of MHCI molecules in the hippocampus of a nonhuman primate, the common marmoset monkey (Callithrix jacchus). We...

Modelling Fanconi anemia pathogenesis and therapeutics using integration-free patient-derived iPSCs

• Google ScholarSearch for Weiqi Zhang in:Nature Research journals • PubMed • Google ScholarSearch for Sergio Ruiz in:Nature Research journals • PubMed • Google ScholarSearch for Nongluk Plongthongkum ... authors contributed equally to this work AffiliationsNational Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, ChinaGuang-Hui Liu, Xiuling Xu, Weiqi

Erythropoietin enhances hippocampal long-term potentiation and memory

Background Erythropoietin (EPO) improves cognition of human subjects in the clinical setting by as yet unknown mechanisms. We developed a mouse model of robust cognitive improvement by EPO to obtain the first clues of how EPO influences cognition, and how it may act on hippocampal neurons to modulate plasticity. Results We show here that a 3-week treatment of young mice with EPO...