نتایج جستجو برای: and ter stepanos
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Telomeres are the nucleoprotein complexes at eukaryotic chromosomal ends. Telomeric DNA is synthesized by the ribonucleoprotein telomerase, which comprises a telomerase reverse transcriptase (TERT) and a telomerase RNA (TER). TER contains a template for telomeric DNA synthesis. Filamentous fungi possess extremely short and tightly regulated telomeres. Although TERT is well conserved between mos...
It has been proposed that the erosion of telomere length is a limiting factor in replicative capacity and important in cell senescence. To determine if this activity was essential in the mouse mammary gland in vivo, we serially transplanted mammary fragments from wild type (TER+/+), heterozygous (TER+/-), and homozygous (TER-/-) mammary tissues into the cleared mammary fat pads of immune-compro...
Dr. Formicola is Co-Director of the Macy Study Team, �rofessor of De�tistry, Colle�e of De�tal Medici�e, Colum�ia ��i�ersity, a�d Vice Dea� of the Ce�ter for Commu�ity Health �art�erships, Colum�ia ��i�ersity Medical Ce�ter; Dr. Bailit is Co-Director of the Macy Study Team, �rofessor Emeritus, Departme�t of Commu�ity Medici�e, ��i�ersity of Co��ecticut Health Ce�ter, a�d Research Associate, De...
BACKGROUND Colonoscopy has been adopted as the preferred method to screen for colorectal neoplasia in the United States. However, lesions can be missed because of numerous factors, including location on the proximal aspect of folds or flexures, where they may be difficult to detect with the forward-viewing colonoscope. The Third Eye Retroscope (TER) is a disposable device that is passed through...
Brazil is the most decentralized country in the developing world. It has a long history of federalism and decentralization, and has become considerably more decentralized over the last two decades. By 1995, state and local governments together accounted for nearly 60 percent of public consumption (Ter-Minassian, 1997: 438). In comparison with other developing countries, the Brazilian states als...
We consider the problem of initiation of a propagating wave in a one-dimensional bistable or excitable fiber. In the Zeldovich-Frank-Kamenetskii equation, also known as the Nagumo equation and Schlögl model, the key role is played by the "critical nucleus" solution whose stable manifold is the threshold surface separating initial conditions leading to the initiation of propagation and decay. An...
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