نتایج جستجو برای: imp
تعداد نتایج: 3155 فیلتر نتایج به سال:
The management of medicinal clinical trials commonly presents challenges to trial teams, particularly when seeking practical and affordable systems for managing the trial randomisation process and associated Investigational Medicinal Product (IMP) distribution. In blinded IMP trials, these challenges include: • 1) how to manage IMP supply when the preferred randomisation algorithm does not guar...
Innate memory phenotype (IMP) CD8(+) T cells are nonconventional αβ T cells exhibiting features of innate immune cells and are significantly increased in the absence of ITK. Their developmental path and function are not clear. In this study, we show hematopoietic MHC class I (MHCI)-dependent generation of Ag-specific IMP CD8(+) T cells using bone marrow chimeras. Wild-type bone marrow gives ris...
Ribavirin enhances the anti-human immunodeficiency virus activity of 2',3'-dideoxyinosine (ddIno) in MT-4, CEM and peripheral blood lymphocyte cells. Ribavirin causes an increase in the levels of IMP, the presumed phosphate donor for the conversion of ddIno to ddIMP by 5'-nucleotidase. Consequently, ribavirin stimulates the conversion of ddIno to its antivirally active metabolite ddATP. Ribavir...
BACKGROUND Purine nucleotides exhibit various functions in cellular metabolism. Besides serving as building blocks for nucleic acid synthesis, they participate in signaling pathways and energy metabolism. Further, IMP and GMP represent industrially relevant biotechnological products used as flavor enhancing additives in food industry. Therefore, this work aimed towards the accumulation of IMP a...
PURPOSE We compared the regional cerebral blood flow (rCBF) obtained by pulsed continuous arterial spin labeling (pCASL) and iodine-123-N-isopropyl-p-iodoamphetamine (IMP) single photon emission computed tomography (SPECT) using 3-dimensional stereotactic region-of-interest (ROI) software for automated definition of ROIs in anatomic regions of the brain. METHODS Thirteen patients with cerebro...
A novel circuit topology of a spintronic stateful implication (IMP) logic gate based on a spin transfer torqueoperated magnetic tunnel junction (STT-MTJ) is proposed and analyzed. It is demonstrated that the proposed topology reduces the IMP error and also the energy consumption by about 60% as compared to the conventional one. Stateful IMP-based logic uses the nonvolatile memory unit (MTJ devi...
Insulin-like growth factor 2 mRNA-binding protein-1 (IMP-1) is an oncofetal protein that binds directly to and stabilizes oncogenic c-Myc and regulates, in turn, its posttranscriptional expression and translation. In contrast to normal adult tissue, IMP-1 is reexpressed and/or overexpressed in human cancers. We show that knockdown of c-Myc in human colon cancer cell lines increases the expressi...
An experimental system was developed in which the majority of all lymphocyte cell-surface proteins, regardless of antigenic specificity, could be cross-linked and redistributed in the membrane to determine whether this would induce a corresponding redistribution of intramembrane particles (IMP). Mouse spleen cells were treated with P-diazoniumphenyl- beta-D-lactoside (lac) to modify all exposed...
The grassland of Qinghai-Tibet Plateau (QTP) and Inner Mongolia (IMP), accounting for 73.9% the total area in China, is significant to food ecological safety. Due climate change irrational human activities, grasslands on two plateaus have severely degraded over recent decades. Understanding dynamic changes its driving forces necessary make effective measurements prevent degradation. Here, we se...
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