نتایج جستجو برای: lineage

تعداد نتایج: 40540  

2004
James L. Watson

On a cold winter afternoon in 1969 my neighbor, Man Tsochuen, was happy to talk about something other than the weather. Over tea, Mr. Man continued the saga of his lineage ancestors who had settled in San Tin village, Hong Kong New Territories, over six centuries earlier. Local history was our regular topic of conversation that winter and the story had already filled several notebooks. Suddenly...

2005
Sylvia Nagl

‘The definitive property of individuality at the organismal level lies in the effective suppression of the differential propagation of subparts as a necessary strategy for maintaining functional integrity . . . This suppression has been so effective, while the consequences of failure remain so devastating, that human organisms have coined a word for the cell lineage’s major category of escape f...

2017
KRZYSZTOF HRYNIEWICZ KAZUTAKA AMANO ROBERT G. JENKINS STEFFEN KIEL

We present a systematic study of thyasirid bivalves from Cretaceous to Oligocene seep carbonates worldwide. Eleven species of thyasirid bivalves are identified belonging to three genera: Conchocele, Maorithyas, and Thyasira. Two species are new: Maorithyas humptulipsensis sp. nov. from middle Eocene seep carbonates in the Humptulips Formation, Washington State, USA, and Conchocele kiritachiensi...

2012
Eugene Wu Samuel Madden

As data analytics becomes mainstream, and the complexity of the underlying data and computation grows, end-users will increasingly rely on visualizations to present simplified statistics that summarizes interesting properties in the data. It is even more important to provide tools that help analysts understand the underlying reasons when they see anomalous results. We envision adding a new expl...

Journal: :Cell 2012
Kai Kretzschmar Fiona M. Watt

Lineage tracing is the identification of all progeny of a single cell. Although its origins date back to developmental biology of invertebrates in the 19(th) century, lineage tracing is now an essential tool for studying stem cell properties in adult mammalian tissues. Lineage tracing provides a powerful means of understanding tissue development, homeostasis, and disease, especially when it is ...

Journal: :iranian journal of basic medical sciences 0
javad baharara department of biology & research center for animal development applied biology, mashhad branch, islamic azad university, mashhad, iran elaheh amini developmental animal biology, faculty of biological sciences, kharazmi university, tehran, iran mohammad amin kerachian department of medical genetics & medical genetic center, faculty of medicine, mashhad university of medical sciences, mashhad, iran mozhgan soltani department of biology, research & science tehran branch, islamic azad university, tehran, iran

objective(s):sea cucumber derived bioactive compound is considered efficient in treatment of bone disorders. this study was performed   to evaluate the effect of this extract on differentiation of rat bone marrow mesenchymal stem cells (rbmmsc) into osteogenic lineage. materials and methods: isolated rbmmsc were grown in dmem supplemented with 10% fbs. the cells were exposed to different concen...

2018
Joke Terryn Tine Tricot Madhavsai Gajjar Catherine Verfaillie

Pluripotent stem cells have the property of long-term self-renewal and the potential to give rise to descendants of the three germ layers and hence all mature cells in the human body. Therefore, they hold the promise of offering insight not only into human development but also for human disease modeling and regenerative medicine. However, the generation of mature differentiated cells that close...

2012
Rajesh Sarkar Laura Lenders Katalin A. Wilkinson Robert J. Wilkinson Mark P. Nicol

BACKGROUND Strains of Mycobacterium tuberculosis vary in virulence. Strains that have caused outbreaks in the United States and United Kingdom have been shown to subvert the innate immune response as a potential immune evasion mechanism. There is, however, little information available as to whether these patterns of immune subversion are features of individual strains or characteristic of broad...

2011
Johnson Mwebaze Danny Boxhoorn Edwin A. Valentijn

Most workflow systems that support data provenance primarily focus on tracing lineage of data. Data provenance by data lineage provides the derivation history of data including information about services and input data that contributed to the creation of a data product. We show that tracing lineage by means of full backward chaining not only enables users to share, discover and reuse the data, ...

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