Words similar to polar

Example sentences for: polar

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Tat has been shown to down-regulate mannose receptor, EDF-1, CD3-gamma, and TCR/CD3 surface receptor [ 14 ] . Tat reduces mannose receptor levels and promoter activity in mature macrophages and dendritic cells by interfering with the host transcriptional machinery; resulting in decreased levels of surface mannose receptor needed for Ag (mannosylated albumin uptake) or pathogen capture (Pneumocystis carinii phagocytosis), and eventual delivery to MHC class II-containing intracellular compartments [ 15 ] . EDF-1, a gene down-regulated when endothelial cells are induced to differentiate in vitro , was shown to be down-regulated by Tat at the transcriptional level, resulting in the inhibition of endothelial cell growth and in the transition from a nonpolar cobblestone phenotype to a polar fibroblast-like phenotype [ 16 ] .
This region also contains the contractile ring actin filaments [ 36 ] . The polar cortex is defined as the two cortical regions furthest from the equator, these regions being of equivalent size to the furrow region as defined above (Figure 1E).
Fused embryos were cultured in the maturation medium for 15 h and then examined for nuclear swelling and polar body formation.
The concentration of myosin-II in the polar cortex increases by 10% while the concentration in the furrow cortex increases by 26%.
We identified three residues involved in catalysis, namely a cysteine, a histidine and a polar residue, that are conserved throughout this superfamily.