نتایج جستجو برای: EVI
تعداد نتایج: 1275 فیلتر نتایج به سال:
In this study, the Visible Infrared Imaging Radiometer Suite (VIIRS) Enhanced Vegetation Index (EVI) was spectrally cross-calibrated with the Moderate Resolution Imaging Spectroradiometer (MODIS) EVI using a year-long, global VIIRS-MODIS dataset at the climate modeling grid (CMG) resolution of 0.05 ̋-by-0.05 ̋. Our cross-calibration approach was to utilize a MODIS-compatible VIIRS EVI equation de...
We assessed the compatibility of three Advanced Spaceborne Thermal Emission and Reflection Radometer (ASTER) based Enhanced Vegetation Index (EVI) products generated in the GEO Grid system to Moderate Resolution Imaging Spectroradiometer (MODIS) EVI. The three products were two forms of the two-band EVI with ASTER red and NIR bands but without a blue band and the original, three-band EVI comput...
Evi-1 has been recognized as one of the dominant oncogenes associated with murine and human myeloid leukemia. Here, we show that hematopoietic stem cells (HSCs) in Evi-1-deficient embryos are severely reduced in number with defective proliferative and repopulating capacity. Selective ablation of Evi-1 in Tie2(+) cells mimics Evi-1 deficiency, suggesting that Evi-1 function is required in Tie2(+...
Smads, key effectors of transforming growth factor (TGF)-beta, activin, and bone morphogenetic protein (BMP) signaling, regulate gene expression and interact with coactivators and corepressors that modulate Smad activity. The corepressor Evi-1 exerts its oncogenic effects by repressing TGF-beta/Smad3-mediated transcription, thereby blocking TGF-beta-induced growth arrest. Because Evi-1 interact...
Ronald S. Jarmin is with the Center for Economic Studies, U.S. Bureau of the Census, Washington, D.C. Overview This paper presents preliminary results from an investigation of the effects of manufacturing extension on the productivity dynamics of client plants. Previous econometric studies of manufacturing extension had very little time series information. This limited what researchers could sa...
Ecotropic viral integration site-1 (Evi-1) is a nuclear transcription factor that plays an essential role in the regulation of hematopoietic stem cells. Aberrant expression of Evi-1 has been reported in up to 10% of patients with acute myeloid leukemia and is a diagnostic marker that predicts a poor outcome. Although chromosomal rearrangement involving the Evi-1 gene is one of the major causes ...
The t(3;21)(q26;q22) chromosomal translocation associated with blastic crisis of chronic myelogenous leukemia results in the formation of the AML1/Evi-1 chimeric protein, which is thought to play a causative role in leukemic transformation of hematopoietic cells. Here we show that AML1/Evi-1 represses growth-inhibitory signaling by transforming growth factor-b (TGF-b) in 32Dcl3 myeloid cells. T...
Evi-1 is a zinc finger nuclear protein whose inappropriate expression leads to leukemic transformation of hematopoietic cells in mice and humans. This was previously shown to block the antiproliferative effect of transforming growth factor beta (TGF-beta). Evi-1 represses TGF-beta signaling by direct interaction with Smad3 through its first zinc finger motif. Here, it is demonstrated that Evi-1...
Wnt signaling plays critical roles during synaptic development and plasticity. However, the mechanisms by which Wnts are released and travel to target cells are unresolved. During synaptic development, the secretion of Drosophila Wnt1, Wingless, requires the function of Evenness Interrupted (Evi)/Wls, a Wingless-binding protein that is secreted along with Wingless at the neuromuscular junction....
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