نتایج جستجو برای: transferase
تعداد نتایج: 29814 فیلتر نتایج به سال:
The cellular and subcellular distribution of terminal deoxynucleotidyl transferase (DNA nucleotidylexotransferase; nucleosidetriphosphate:DNA deoxynucleotidylexotransferase, EC 2.7.7.31) in thymocytes and peripheral lymphocytes from rat, mouse, and calf was studied by immunofluorescence using rabbit antiserum to homogeneous transferase from calf. Terminal transferase was readily detected in app...
Although leukocytes from all 13 acute lymphoblastic leukemia patients examined had high terminal deoxynucleotidyl transferase (terminal transferase) activity (20 to 100 units/mg of cellular DNA, where 1 unit equals 1 nmole of nucleotide polymerized in 1 hr) and those from 21 acute myelocytic leukemia patients had low terminal transferase activity (0.2 to 2 units/mg of cellular DNA), the bone ma...
Ras proteins play fundamental roles in cell signal transduction pathways that regulate cell growth, differentiation, proliferation, and survival. ras mutations are among the most frequently encountered genetic abnormalities in human cancers and play a key role in tumorigenesis. The enzymatic attachment of a 15- or 20-carbon moiety to the Ras protein through farnesylation or geranylgeranylation,...
OBJECTIVE We aim to explore the potential association between serum gamma-glutamyl transferase levels and functional outcome after aneurysmal subarachnoid hemorrhage in a Chinese population. METHODS A total of 386 aneurysmal subarachnoid hemorrhage patients were included in the study from September 2007 to February 2015. Baseline serum gamma-glutamyl transferase levels and 6-month follow-up f...
The ADP ribosylation in vifro of aminoacyl transferase II, catalyzed by diphtheria toxin, was used to determine the subcellular location of transferase II in extracts obtained from intact HeLa cells incubated under a variety of conditions. Very little transferase II was found associated with either heavy or light polyribosomes, most of the ribosome-associated enzyme being bound to monoribosomes...
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