نتایج جستجو برای: co culture

تعداد نتایج: 596198  

2014
Xiaolin Zhang Jennifer L. Reed Stephen S. Fong

Symbiotic interactions between organisms are important for human health and biotechnological applications. Microbial mutualism is a widespread phenomenon and is important in maintaining natural microbial communities. Although cooperative interactions are prevalent in nature, little is known about the processes that allow their initial establishment, govern population dynamics and affect evoluti...

Journal: :Haematologica 2012
Duohui Jing Manja Wobus David M Poitz Martin Bornhäuser Gerhard Ehninger Rainer Ordemann

BACKGROUND In the bone marrow mesenchymal stromal cells and osteoblasts form functional niches for hematopoietic stem and progenitor cells. This microenvironment can be partially mimicked using in vitro co-culture systems. In this study, we examined the oxygen tension in three distinct compartments in a co-culture system of purified CD34(+) cells and mesenchymal stromal cells with regard to dif...

Journal: :Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology 2016
Zhen-Peng Huang Hu Qiu Yan Yang Bao-Ping Yu

BACKGROUND Acute cholecystitis is a common condition in gallbladder motility disorder. Interstitial Cajal-like cells (ICLCs) in the gallbladder are known as one of the players in the complex motility mechanisms affecting gallbladder motility. AIM This study explored morphological symptoms and molecular mechanisms underlying gallbladder ICLC changes induced by acute cholecystitis. MATERIALS ...

Journal: :Sheng wu gong cheng xue bao = Chinese journal of biotechnology 2009
Baolei Wang Yu Zhao Jun Liu Fusheng Quan Song Hua Yong Zhang

To discuss the effect of co-culture on the quality of mouse blastocysts and their epigenetic modification. We divided mouse zygotes into three co-culture experiment groups : with granular cells (group I ), oviduct epithelium cells (group II) and oviduct tissue (group III). Meanwhile, we set up control A (cultured in vitro, only KSOM (KCl+ simplex optimized medium)) and control B (cultured in vi...

2012
Otmane Lamrabet Felix Mba Medie Michel Drancourt

BACKGROUND Mycobacterium smegmatis is a rapidly-growing mycobacterium causing rare opportunistic infections in human patients. It is present in soil and water environments where free-living amoeba also reside, but data regarding M. smegmatis-amoeba relationships have been contradictory from mycobacteria destruction to mycobacteria survival. METHODOLOGY/PRINCIPAL FINDINGS Using optic and elect...

2014
GUANGYU WANG YONG LI YU WANG YU DONG FU-SHENG WANG YI DING YUDONG KANG XUYING XU

The aim of the present study was to investigate the roles of the co-culture of human umbilical cord Wharton's jelly-derived mesenchymal stem cells (hUC-MSCs) with rat pancreatic cells in the treatment of rats with diabetes mellitus. hUC-MSCs were isolated and passaged, followed by Transwell co-culture with rat pancreatic cells. The induced islet-like cell clusters were transplanted into the ren...

2008
H. Y. Jang Y. S. Jung H. T. Cheong J. T. Kim C. K. Park H. S. Kong H. K. Lee

The objective of this study was to investigate the effects of cell status of BOEC on development of bovine IVM/IVF embryos and gene expression in BOEC before or after culturing of embryos. The developmental rates beyond morula stage in the BOEC co-culture group was significantly higher than in the control group (p<0.05). In particular, blastocyst production in the BOEC co-culture group (28.3%) ...

Journal: :The Journal of Experimental Medicine 1983
M S Hibbs A E Postlethwaite C L Mainardi J M Seyer A H Kang

The cell-cell interactions between fibroblasts and mononuclear leukocytes (MNL) which promote alterations in collagen accumulation were examined using a system of co-culture of human fibroblasts and peripheral blood MNL. The stimulation of collagen production was optimal after 48 h of co-culture and the increase in collagen correlated directly with the number of MNL added. The enhancement of co...

Journal: :Journal of visualized experiments : JoVE 2010
Jeongyun Kim Manjunath Hegde Arul Jayaraman

The human gastrointestinal (GI) tract is a unique environment in which intestinal epithelial cells and non-pathogenic (commensal) bacteria coexist. It has been proposed that the microenvironment that the pathogen encounters in the commensal layer is important in determining the extent of colonization. Current culture methods for investigating pathogen colonization are not well suited for invest...

2013
Changge Fang Ingalill Avis David Salomon Frank Cuttitta

We have developed novel phenotypic fluorescent three-dimensional co-culture platforms that efficiently and economically screen anti-angiogenic/anti-metastatic drugs on a high-throughput scale. Individual cell populations can be identified and isolated for protein/gene expression profiling studies and cellular movement/interactions can be tracked by time-lapse cinematography. More importantly, t...

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