نتایج جستجو برای: M12
تعداد نتایج: 782 فیلتر نتایج به سال:
Insulin-like growth factor binding protein-related protein-1 (IGFBP-rP1) has been shown to have decreased expression in the progression from benign to malignant prostate epithelial cells (V. Hwa et al., J. Clin Endocrinol. Metab., 83: 4355-4362, 1998). The present study was undertaken to determine the effects of the re-expression of IGFBP-rP1 in a cell line from a model of human prostate cancer...
Three major categories of colony opacity were observed for natural variants of the M type 12 (M12) group A streptococcus strain CS24. Colony opacity variants that switched between two alternative categories at significantly high frequencies were identified and are referred to as switching between more opaque (Op+) and less opaque (Op-) phenotypes. Twenty lineages of such variants were derived f...
Insulin-like growth factor binding protein-related protein-1 (IGFBPrP1) has been shown to have decreased expression in the progression from benign to malignant prostate epithelial cells (V. Hwa et al., J. Clin Endocrinol. Metab., 83: 4355–4362, 1998). The present study was undertaken to determine the effects of the re-expression of IGFBP-rP1 in a cell line from a model of human prostate cancer,...
We study the luminosity gap, m12, between the firstand second-ranked galaxies in a sample of 59 massive (∼1015 M ) galaxy clusters, using data from the Hale Telescope, the Hubble Space Telescope, Chandra and Spitzer. We find that the m12 distribution, p( m12), is a declining function of m12 to which we fitted a straight line: p( m12) ∝−(0.13 ± 0.02) m12. The fraction of clusters with ‘large’ lu...
Natural killer (NK) cells play a key role in innate immunity by detecting alterations in self and non-self ligands via paired NK cell receptors (NKRs). Despite identification of numerous NKR-ligand interactions, physiological ligands for the prototypical NK1.1 orphan receptor remain elusive. Here, we identify a viral ligand for the inhibitory and activating NKR-P1 (NK1.1) receptors. This murine...
When treating Crohn disease (CD) with thiopurines, achievement of an objective response is essential. However, the minimal degree of mucosal improvement required to alter disease outcomes of CD is unknown.To determine the endoscopic responses of thiopurine monotherapy and to determine the minimal degree of mucosal improvement required to alter disease outcomes of CD.One hundred thirty CD patien...
Little is known about the genetic program that generates synaptic specificity. Here we show that a putative transcription factor, Teyrha-Meyhra (Tey), controls target specificity, in part by repressing the expression of a repulsive cue, Toll. We focused on two neighboring muscles, M12 and M13, which are innervated by distinct motoneurons in Drosophila. We found that Toll, which encodes a transm...
We study a construction of the Mathieu group M12 using a game reminiscent of Loyd’s “15-puzzle”. The elements of M12 are realized as permutations on 12 of the 13 points of the finite projective plane of order 3. There is a natural extension to a “pseudogroup” M13 acting on all 13 points, which exhibits a limited form of sextuple transitivity. Another corollary of the construction is a metric, a...
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