نتایج جستجو برای: lir
تعداد نتایج: 533 فیلتر نتایج به سال:
A modern biomedical research project can easily contain hundreds of analysis steps and lack of reproducibility of the analyses has been recognized as a severe issue. While thorough documentation enables reproducibility, the number of analysis programs used can be so large that in reality reproducibility cannot be easily achieved. Literate programming is an approach to present computer programs ...
The nonclassical class I MHC molecule HLA-G is selectively expressed on extravillous cytotrophoblast cells at the maternal-fetal interface during pregnancy. HLA-G can inhibit the killing mediated by NK cells via interaction with the inhibitory NK cell receptor, leukocyte Ig-like receptor-1 (LIR-1). Comparison of the sequence of the HLA-G molecule to other class I MHC proteins revealed two uniqu...
Immunoglobulin (Ig) function varies by isotype and antibody activity is best mediated by isotypes most able to control the inciting infection. In pigs, a high ratio of IgG1:IgG2 is associated with resistance to disease caused by the extra-cellular bacterium Actinobacillus pleuropneumoniae. This ratio is controlled by type 1/type 2 cytokines in vitro, reflecting cell- (CMI) or antibody-mediated ...
Protein aggregation is associated with age-related neurodegenerative disorders, such as Alzheimer's and polyglutamine diseases. As a causal relationship between protein aggregation and neurodegeneration remains elusive, understanding the cellular mechanisms regulating protein aggregation will help develop future treatments. To identify such mechanisms, we conducted a forward genetic screen in a...
The inhibitory molecule CD85/LIR-1/ILT2 has been detected previously on the surface of a small proportion of T lymphocytes. In this study, evidence is provided that, although only a fraction of CD3+ cells are stained by mAb specific for CD85/LIR-1/ILT2 on their surface, this inhibitory receptor is present in the cytoplasm of all T lymphocytes, and that it is detectable on the surface of all T c...
In the sea slug Tritonia diomedea, mucociliary crawling is controlled partly by two pairs of bilaterally symmetrical neurons located in the pedal ganglia. These neurons, known as the Pedal 5 and Pedal 6 cells, produce a class of neuropeptides called TPeps. Using immunohistochemistry we identified TPep-like immunoreactive (TPep-LIR) neurons in diverse nudibranch species. All species examined had...
The infrared (IR) emission plays a crucial role for understanding the star formation in galaxies hidden by dust. We first examined four estimators of the IR luminosity of galaxies, LFIR (Helou et al. 1988), LTIR (Dale et al. 2001a), revised version of LTIR (Dale & Helou 2002) (we denote LTIR2), and LIR (Sanders & Mirabel 1996) by using the observed SEDs of well-known galaxies. We found that LIR...
New millimeter-wave CO and HCN observations of the host galaxies of infrared-excess Palomar Green quasi-stellar objects (PG QSOs) previously detected in CO are presented. These observations are designed to assess the validity of using the infrared luminosity to estimate star formation rates of luminous AGN by determining the relative significance of dust-heating by young, massive stars and acti...
Synchronization between the environmental lighting cycle and the biological clock in the suprachiasmatic nucleus (SCN) is correlated with phosphorylation of the Ca2+/cAMP response element binding protein (CREB) at the transcriptional activating site Ser133. Mechanisms mediating the formation of phospho-CREB (P-CREB) and their relation to clock resetting are unknown. To address these issues, we ...
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