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Academic literature on the topic 'Supports activateurs'

Author: Grafiati
Published: 18 May 2024

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Journal articles on the topic "Supports activateurs"

1

Czuba, Beata. "Social support for veterans." Scientific Journal of the Military University of Land Forces 199, no. 1 (2021): 5–20. http://dx.doi.org/10.5604/01.3001.0014.8106.

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The article aims to outline how mission-traumatized veterans perceive social support. Social support is an essential resource for an individual in coping with the difficulties in everyday life. The subject of the examination is quantitative research with veterans’ participation and own qualitative research – free interviews analyzed using the IPA (Individual Phenomenological Analysis) method. The obtained results indicate that social support can be considered in terms of a meta-resource that activates other vital resources of humans, thereby strengthening them in difficult situations. The expe
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2

Solmonson, Ashley, Brandon Faubert, Wen Gu, et al. "Compartmentalized metabolism supports midgestation mammalian development." Nature 604, no. 7905 (2022): 349–53. http://dx.doi.org/10.1038/s41586-022-04557-9.

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AbstractMammalian embryogenesis requires rapid growth and proper metabolic regulation1. Midgestation features increasing oxygen and nutrient availability concomitant with fetal organ development2,3. Understanding how metabolism supports development requires approaches to observe metabolism directly in model organisms in utero. Here we used isotope tracing and metabolomics to identify evolving metabolic programmes in the placenta and embryo during midgestation in mice. These tissues differ metabolically throughout midgestation, but we pinpointed gestational days (GD) 10.5–11.5 as a transition p
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3

Myers, Elizabeth A., and Linda Rinaman. "Trimethylthiazoline supports conditioned flavor avoidance and activates viscerosensory, hypothalamic, and limbic circuits in rats." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 288, no. 6 (2005): R1716—R1726. http://dx.doi.org/10.1152/ajpregu.00479.2004.

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Interoceptive stimuli modulate stress responses and emotional state, in part, via ascending viscerosensory inputs to the hypothalamus and limbic forebrain. It is unclear whether similar viscerosensory pathways are recruited by emotionally salient exteroceptive stimuli, such as odors. To address this question, we investigated conditioned avoidance and central c-Fos activation patterns in rats exposed to synthetic trimethylthiazoline (TMT), an odiferous natural component of fox feces. Experiment 1 demonstrated that rats avoid consuming novel flavors that previously were paired with TMT exposure,
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4

Pollak, Shaul, Shira Omer-Bendori, Eran Even-Tov, et al. "Facultative cheating supports the coexistence of diverse quorum-sensing alleles." Proceedings of the National Academy of Sciences 113, no. 8 (2016): 2152–57. http://dx.doi.org/10.1073/pnas.1520615113.

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Bacterial quorum sensing enables bacteria to cooperate in a density-dependent manner via the group-wide secretion and detection of specific autoinducer molecules. Many bacterial species show high intraspecific diversity of autoinducer–receptor alleles, called pherotypes. The autoinducer produced by one pherotype activates its coencoded receptor, but not the receptor of another pherotype. It is unclear what selection forces drive the maintenance of pherotype diversity. Here, we use the ComQXPA system of Bacillus subtilis as a model system, to show that pherotype diversity can be maintained by f
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5

Fraser, Lynn R. "Strontium supports capacitation and the acrosome reaction in mouse sperm and rapidly activates mouse eggs." Gamete Research 18, no. 4 (1987): 363–74. http://dx.doi.org/10.1002/mrd.1120180410.

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6

Grisan, Francesca, Martina Spacci, Carlotta Paoli, et al. "Cholesterol Activates Cyclic AMP Signaling in Metaplastic Acinar Cells." Metabolites 11, no. 3 (2021): 141. http://dx.doi.org/10.3390/metabo11030141.

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Cholesterol is a non-essential metabolite that exerts both structural and signaling functions. However, cholesterol biosynthesis is elevated, and actively supports, pancreatic carcinogenesis. Our previous work showed that statins block the reprogramming of mutant KRAS-expressing acinar cells, that spontaneously undergo a metaplastic event termed acinar-to-ductal metaplasia (ADM) to initiate carcinogenesis. Here we tested the impact of cholesterol supplementation on isolated primary wild-type acinar cells and observed enhanced ductal transdifferentiation, associated with generation of the secon
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7

Wu, Sheng-Shiung, Sing-Jie Jong, Kai Hu, and Jiann-Ming Wu. "Learning Neural Representations and Local Embedding for Nonlinear Dimensionality Reduction Mapping." Mathematics 9, no. 9 (2021): 1017. http://dx.doi.org/10.3390/math9091017.

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This work explores neural approximation for nonlinear dimensionality reduction mapping based on internal representations of graph-organized regular data supports. Given training observations are assumed as a sample from a high-dimensional space with an embedding low-dimensional manifold. An approximating function consisting of adaptable built-in parameters is optimized subject to given training observations by the proposed learning process, and verified for transformation of novel testing observations to images in the low-dimensional output space. Optimized internal representations sketch grap
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8

Kolańczyk, Alina. "When Affect Supports Cognitive Control – A Working Memory Perspective." Polish Psychological Bulletin 47, no. 1 (2016): 29–42. http://dx.doi.org/10.1515/ppb-2016-0004.

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Abstract The paper delineates a study of executive functions (EFs), construed as procedural working memory (WM), from a motivational perspective. Since WM theories and motivation theories are both concerned with purposive activity, the role of implicit evaluations (affects) observed in goal pursuit can be anticipated to arise also in the context of cognitive control, e.g., during the performance of the Stroop task. The role of positive and negative affect in goal pursuit consists in controlling attention resources according to the goal and situational requirements. Positive affect serves to ma
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9

Rafei, Moutih, Alexandre Rouette, Sylvie Brochu, Juan Ruiz Vanegas та Claude Perreault. "Differential effects of γc cytokines on postselection differentiation of CD8 thymocytes". Blood 121, № 1 (2013): 107–17. http://dx.doi.org/10.1182/blood-2012-05-433508.

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Abstract The primary consequence of positive selection is to render thymocytes responsive to cytokines and chemokines expressed in the thymic medulla. In the present study, our main objective was to discover which cytokines could support the differentiation of positively selected thymocytes. To this end, we have developed an in vitro model suitable for high-throughput analyses of positive selection and CD8 T-cell differentiation. The model involves coculture of TCRhiCD5intCD69− double-positive (DP) thymocytes with peptide-pulsed OP9 cells and γc-cytokines. We report that IL-4, IL-7, and IL-21
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10

Shih, Han-Yu, William Olcott, and Michael Krangel. "Chromatin conformations and contacts that support Tcra/d locus rearrangement (62.2)." Journal of Immunology 186, no. 1_Supplement (2011): 62.2. http://dx.doi.org/10.4049/jimmunol.186.supp.62.2.

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Abstract The Tcra/d locus rearranges in DN thymocytes to assemble Tcrd genes and in DP thymocytes to assemble Tcra genes. We used 3D-FISH to show that the 3’ portion of the locus is contracted in both DN and DP thymocytes, whereas the 5’ portion is contracted in DN but decontracts in DP thymocytes. We proposed that the fully contracted conformation in DN thymocytes allows dispersed Vαs to be used in a single round of Vδ-Dδ-Jδ rearrangement, whereas the 3’-contracted, 5’-decontracted conformation in DP thymocytes allows for multiple rounds of Vα-to-Jα rearrangement initiating with 3' Vαs. For h
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