نتایج جستجو برای: npcs

تعداد نتایج: 1491  

Journal: :Current Issues in Tourism 2022

The line between fantasy and reality has become blurred in online gaming, whereby tourists are willing to visit associated real-world destinations they have experienced within virtual worlds (e.g. games). This study investigates the impact of gamers’ interactions with non-player characters (NPCs) other gamers on their in-game emotional solidarity, destination image willingness destinations. Dat...

2011

Neural progenitor cells (NPCs) are characterized by their capacity to both self-renew and generate the differentiated major tissue types of the central nervous system (CNS): neurons, astrocytes and oligodendrocytes, with the latter two cell types often referred to as glia. NPCs can be isolated from the embryonic or adult mammalian brain; however in vitro propagation of primary human NPCs can be...

2012
Florian Wegner Robert Kraft Kathy Busse Wolfgang Härtig Jörg Ahrens Andreas Leffler Reinhard Dengler Johannes Schwarz

BACKGROUND Human fetal midbrain-derived neural progenitor cells (NPCs) may deliver a tissue source for drug screening and regenerative cell therapy to treat Parkinson's disease. While glutamate and GABA(A) receptors play an important role in neurogenesis, the involvement of glycine receptors during human neurogenesis and dopaminergic differentiation as well as their molecular and functional cha...

Journal: :Anesthesiology 2012
Jeffrey W Sall Greg Stratmann Jason Leong Elliott Woodward Philip E Bickler

BACKGROUND Propofol in the early postnatal period has been shown to cause brain cell death. One proposed mechanism for cognitive dysfunction after anesthesia is alteration of neural stem cell function and neurogenesis. We examined the effect of propofol on neural precursor or stem cells (NPCs) grown in vitro. METHODS Hippocampal-derived NPCs from postnatal day 2 rats were exposed to propofol ...

2017
Akinlolu Abdulazeez Adelaja

OBJECTIVES The previous studies generated neural progenitor cells (NPCs) from human induced pluripotent stem cells (hiPSCs) using different protocols. However, the nature of the temporal or regional specificity of NPCs derived using these protocols is not well defined. Therefore, this study aimed to generate age- and region-specific NPCs from hiPSCs, which mimic in vivo fetal brain (FNPC-B) or ...

Journal: :Glia 2014
Rocío Talaverón Esperanza R Matarredona Rosa R de la Cruz David Macías Victoria Gálvez Angel M Pastor

Transplantation of neural stem/progenitor cells (NPCs) in the lesioned brain is able to restore morphological and physiological alterations induced by different injuries. The local microenvironment created at the site of grafting and the communication between grafted and host cells are crucial in the beneficial effects attributed to the NPC implants. We have previously described that NPC transp...

2014
Dirk M. Hermann Luca Peruzzotti-Jametti Jana Schlechter Joshua D. Bernstock Thorsten R. Doeppner Stefano Pluchino

After an ischemic stroke, neural precursor cells (NPCs) proliferate within major germinal niches of the brain. Endogenous NPCs subsequently migrate toward the ischemic lesion where they promote tissue remodeling and neural repair. Unfortunately, this restorative process is generally insufficient and thus unable to support a full recovery of lost neurological functions. Supported by solid experi...

2010
Hye Young Shin Yun Hwa Hong Sung Soo Jang Hong Gu Chae Seung Leal Paek Hyo Eun Moon Dong Gyu Kim Jun Kim Sun Ha Paek Sang Jeong Kim

Store-operated Ca(2+) entry (SOCE) channels are the main pathway of Ca(2+) entry in non-excitable cells such as neural progenitor cells (NPCs). However, the role of SOCE channels has not been defined in the neuronal differentiation from NPCs. Here, we show that canonical transient receptor potential channel (TRPC) as SOCE channel influences the induction of the neuronal differentiation of A2B5(...

Journal: :Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology 2009
Francisco J Rivera Florian A Siebzehnrubl Mahesh Kandasamy Sebastien Couillard-Despres Massimiliano Caioni Anne-Maria Poehler Benedikt Berninger Beatrice Sandner Ulrich Bogdahn Magdalena Goetz Ingmar Bluemcke Norbert Weidner Ludwig Aigner

We have previously shown that soluble factors derived from mesenchymal stem cells (MSCs) induce oligodendrogenic fate and differentiation in adult rat neural progenitors (NPCs) in vitro. Here, we investigated if this pro-oligodendrogenic effect is maintained after cells have been transplanted onto rat hippocampal slice cultures, a CNS-organotypic environment. We first tested whether NPCs, that ...

Journal: :Angewandte Chemie 2015
Yiseul Ryu Zongwen Jin Joong-jae Lee Seung-hyun Noh Tae-Hyun Shin Seong-Min Jo Joonsung Choi HyunWook Park Jinwoo Cheon Hak-Sung Kim

Nanoparticle clusters (NPCs) have attracted significant interest owing to their unique characteristics arising from their collective individual properties. Nonetheless, the construction of NPCs in a structurally well-defined and size-controllable manner remains a challenge. Here we demonstrate a strategy to construct size-controlled NPCs using the DNA-binding zinc finger (ZnF) protein. Biotinyl...

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