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 | Supernovae, neutrinos and the chirality of amino acids. | f2-ijms-12-03432: Magnetic substate distributions for 14N nuclei resulting from the Buckingham effect. The “x” indicates the states that will undergo greater processing from the electron antineutrinos. NL refers to left-handed 14N nuclei, and NR to right-handed 14N nuclei....Bottom Line: It also requires an asymmetric distribution of neutrinos emitted from the supernova.The subsequent chemical evolution and galactic mixing would ultimately populate the Galaxy with the selected species.The resulting amino acids could either be the source thereof... | Boyd RN, Kajino T, Onaka T - Int J Mol Sci (2011) |
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 | A signature in HIV-1 envelope leader peptide associated with transition from acute to chronic infection... | pone-0023673-g003: Position 12 polymorphism influences efficiency of leader peptide in regulating protein transport through the secretory pathway.Secreted luciferase reporter constructs were generated to help quantify leader peptide efficiency. Fusion PCR was utilized to substitute...Bottom Line: Mucosal transmission of the human immunodeficiency virus (HIV) results in a bottleneck in viral genetic diversity.We show a strong association between a positively charged amino acid like histidine at position 12 in transmitted/founder viruses with more efficient... | Asmal M, Hellmann I, Liu W, Keele BF, Perelson AS, et al. - PLoS ONE (2011) |
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 | 5-(2,4-Dichloro-phen-oxy)-1,3-dimethyl-1H-pyrazole-4-carbaldehyde. | Fap1: The molecular structure of (I), with displacement ellipsoids drawn at the 30% probability level.Bottom Line: In the title mol-ecule, C(12)H(10)Cl(2)N(2)O(2), the benzene and pyrazole rings form a dihedral angle of 72.8 (3)°.In the crystal, weak inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into chains along [01[Formula: see text]]. | Shen YJ, Xu M, Fan CG - Acta Crystallogr Sect E Struct Rep Online (2011) |
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 | Variation in the level of grain defect light flecks and spots on cattle hides. | Figure 1: The 4 anatomical regions of the hide which were evaluated after tanning.Bottom Line: Damage was found on 75.8% of all hides.The frequency of light flecks and spots varied significantly during the year.The frequency was highest in the late winter and early spring, decreased significantly during the summer and was lowest in the autumn. | Nafstad O, Grønstøl H - Acta Vet. Scand. (2001) |
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![Cell binding assay of BBN receptor antagonists and agonists (n = 3). Inhibition of 125I-[Tyr4]BBN (GRPR-specific) binding to GRPR on PC-3 cells by BBN receptor antagonists ATBBN, FP-ATBBN, MATBBN, FP-MATBBN (A) and agonists MAGBN and FP-MAGBBN (B).](/imgs/rescaled137/3086613_thnov01p0220g02.png) | F-Labeled GRPR Agonists and Antagonists: A Comparative Study in Prostate Cancer Imaging. | Figure 2: Cell binding assay of BBN receptor antagonists and agonists (n = 3). Inhibition of 125I-[Tyr4]BBN (GRPR-specific) binding to GRPR on PC-3 cells by BBN receptor antagonists ATBBN, FP-ATBBN, MATBBN, FP-MATBBN (A) and agonists MAGBN and FP-MAGBBN (B).Bottom Line: Modification was made by introducing a highly hydrophilic linker Gly-Gly-Gly-Arg-Asp-Asn.Both tracers showed good tumor/background contrast, with the agonist (18)F-FP-MAGBBN having significantly higher tumor uptake than the antagonist (18)F-FP-MATBBN (P < 0.01).In... | Yang M, Gao H, Zhou Y, Ma Y, Quan Q, Lang L, et al. - Theranostics (2011) |
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 | Growth factor signaling in lung morphogenetic centers: automaticity, stereotypy and symmetry. | Figure 2: Potential interactions between Fibroblast Growth Factor7 (FGF7) and Fibroblast Growth Factor10 (FGF10) and cognate FGF receptors (FGFR1b and FGFR2b). FGF10 can activate both FGFR1b and FGFR2b. On the other hand, FGF7 only activates FGFR2b. Activation of FGFR1b...Bottom Line: Peptide growth factors signal within repeating epithelial-mesenchymal temporospatial patterns that constitute morphogenetic centers, automatically directing millions of repetitive events during both stereotypic branching and nonstereotypic branching as well... | Warburton D, Bellusci S, Del Moral PM, Kaartinen V, et al. - Respir. Res. (2003) |
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 | Utility of Pretreatment Bilirubin Level and UGT1A1 Polymorphisms in Multivariate Predictive Models of... | fig01: Major pathways of irinotecan metabolism and disposition. A reaction catalyzed by carboxylesterase-2 yields SN-38, the active metabolite. Glucuronidation of SN-38 to SN-38G is catalyzed by the enzyme UGT1A1. Several UGT1A1 polymorphisms exist, coding for a spectrum...Bottom Line: Correlation between genotype and overall ANC nadir without regard to treatment was low (R = -0.201, P = 0.035).Contribution of baseline bilirubin level was negligible.CONCLUSIONS: Ability of UGT1A1 or baseline bilirubin to predict neutropenia is low and depends... | Parodi L, Pickering E, Cisar LA, Lee D, Soufi-Mahjoubi R - Arch Drug Inf (2008) |
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 | TRENTOOL: a Matlab open source toolbox to analyse information flow in time series data with transfer... | Figure 8: Example of group data analysis. Application example of group data analysis. In condition 1 a directed interaction from T3 to F4 and in condition 2 from F3 to T4 were simulated (for details see text). Solid arrow: condition 1 > condition 2; Dotted line: condition...Bottom Line: Here we present the open-source MATLAB toolbox TRENTOOL that allows the user to handle the considerable complexity of this measure and to validate the obtained results using non-parametrical statistical testing.TRENTOOL is implemented as a MATLAB toolbox and... | Lindner M, Vicente R, Priesemann V, Wibral M - BMC Neurosci (2011) |
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 | TRANCE (tumor necrosis factor [TNF]-related activation-induced cytokine), a new TNF family member predominantly... | Figure 5: TRANCE-R signaling is dependent on TRAF2. Thymocytes from transgenic mice expressing TRAF2.DN or control littermates were stimulated with hCD8-TRANCE (1 ÎĽg/ml) on OKT8-coated (10 ÎĽg/ml) plates for the indicated amount of time then assayed for JNK activity....Bottom Line: The resulting increase in DC survival is accompanied by a proportional increase in DC-mediated T cell proliferation in a mixed leukocyte reaction.TRANCE does not induce the proliferation of or increase the survival of T or B cells.Therefore, TRANCE is a new... | Wong BR, Josien R, Lee SY, Sauter B, Li HL, et al. - J. Exp. Med. (1997) |
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 | Dual function of Cyk2, a cdc15/PSTPIP family protein, in regulating actomyosin ring dynamics and septin... | Figure 8: (A) A schematic comparison of changes in the morphology of the rings that contain septin, Myo1p, or Cyk2p before (top), during (middle), and after (bottom) cytokinesis. (B) A model explaining the role of Cyk2p during the contraction of the actomyosin ring....Bottom Line: To learn more about the biochemical composition and activity of this ring, we have characterized the in vivo distribution and function of Cyk2p, a budding yeast protein that exhibits significant sequence similarity to the cdc15/PSTPIP family of cleavage furrow... | Lippincott J, Li R - J. Cell Biol. (1998) |
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 | A rationale for continuing mass antibiotic distributions for trachoma. | Figure 6: Baseline prevalence vs. Years until elimination: Here we vary β in the stochastic model, while keeping other parameters the same. Other parameters are biannual treatment with 90% effective coverage, an effective population size of 100 children, and Îł = 0.017.Bottom Line: The World Health Organization recommends periodic mass antibiotic distributions to reduce the ocular strains of chlamydia that cause trachoma, the world's leading cause of infectious blindness.A single mass distribution can dramatically reduce the prevalence... | Ray KJ, Porco TC, Hong KC, Lee DC, Alemayehu W, et al. - BMC Infect. Dis. (2007) |
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![A model with three sets of factors affecting the QoL of caregivers of family members with mental illness (adapted from the model of White et al., 2004 [14]).](/imgs/rescaled137/3293083_1477-7525-10-15-1.png) | Quality of life of caregivers with relatives suffering from mental illness in Hong Kong: roles of caregiver... | Figure 1: A model with three sets of factors affecting the QoL of caregivers of family members with mental illness (adapted from the model of White et al., 2004 [14]).Bottom Line: One sample t-tests were conducted to compare the results of this study with that of other Chinese populations in Hong Kong, Taiwan, and mainland China.Indeed, caregiver characteristics displayed a much stronger association with caregivers' QoL than did caregiving... | Wong DF, Lam AY, Chan SK, Chan SF - Health Qual Life Outcomes (2012) |
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 | Positive selection of extrathymically developed T cells by self-antigens. | Figure 1: (A) Development of H-Y antigen–specific T cells in male or female thymectomized mice. C57BL/6 mice (H-2b) with or without adult thymectomy (ATX ) were lethally irradiated (11 Gy) and injected intravenously with 5 Ă— 106 T cell– depleted bone marrow...Bottom Line: They rapidly produced interferon gamma but not IL-4 after TCR cross-linking.Furthermore, a similar pattern of cytokine production was observed in CD3(int)IL-2Rbeta+NK1.1(-) cells in normal mice which have been shown to develop extrathymically.These results... | Yamada H, Ninomiya T, Hashimoto A, Tamada K, et al. - J. Exp. Med. (1998) |
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 | Comprehensive analysis of the pseudogenes of glycolytic enzymes in vertebrates: the anomalously high... | Figure 6: Aetiology of a duplicated-processed pseudogene. Alternative aetiology of a processed pseudogene. A parent gene is first retrotransposed into a processed pseudogene. Then the processed pseudogene undergoes segmental duplication to produce a duplicated-processed...Bottom Line: Furthermore, the number of GAPDH pseudogenes varies significantly among the genomes we studied: none in zebrafish, pufferfish, fruitfly, and worm, 1 in chicken, 50 in chimpanzee, 62 in human, 331 in mouse, and 364 in rat.Next, we developed a simple method of... | Liu YJ, Zheng D, Balasubramanian S, Carriero N, et al. - BMC Genomics (2009) |
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 | Longevity and developmental stability in the dung fly Sepsis cynipsea, as affected by the ectoparasitic... | f02: The interaction between sex and origin influencing Sepsis cynipsea wing length FA. Field females were more asymmetrical than field males and the reverse was true in laboratory-reared flies. Shown are means with standard errors.Bottom Line: While it was found that mite infested flies died much faster than flies without mites, indicating that mites indeed stress their hosts, counter to expectations, no associations between mites and FA were found in any analyses.Additionally, FA in mite-infected... | Martin OY, Hosken DJ - J. Insect Sci. (2009) |
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 | Adipose tissue plasticity during catch-up fat driven by thrifty metabolism: relevance for muscle-adipose... | Figure 8: A model integrating our previous (13) and current findings based on the interrelationships between hyperinsulinemia, insulin-dependent glucose uptake, and de novo lipogenesis. In this model, hyperinsulinemia on day 1 of refeeding plays an important role in...Bottom Line: This model is characterized by glucose redistribution from skeletal muscle to adipose tissue during catch-up fat that results solely from suppressed thermogenesis (i.e., without hyperphagia).Adipose tissue recovery during the dynamic phase of catch-up fat is... | Summermatter S, Marcelino H, Arsenijevic D, et al. - Diabetes (2009) |
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 | Affine differential geometry analysis of human arm movements. | Fig4: Interpolating parabolic arcs between pairs of line elements of various orientations, covering the broad range of turning angles between 0° and 152°Bottom Line: We also discuss the possible role of conic sections, i.e., curves with constant equi-affine curvature, as motor primitives and focus in more detail on parabolas, the equi-affine geodesics.Finally, we explore possible schemes for the internal neural coding of... | Flash T, Handzel AA - Biol Cybern (2007) |
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 | 1,4-Dihydroxy-quinoxaline-2,3(1H,4H)-dione. | Fap3: Part of the crystal structure of (I), showing the formation of R22(10) motifs.Bottom Line: The asymmetric unit of the title compound, C(8)H(6)N(2)O(4), contains one half-mol-ecule; a twofold rotation axis bisects the molecule.The quinoxaline ring is planar, which can be attributed to electron delocalization.In the crystal structure, inter-molecular... | Abu-El-Halawah R, Ali BF, Ibrahim MM, Zahra JA, et al. - Acta Crystallogr Sect E Struct Rep Online (2008) |
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![Schematic representation of Nuc cassettes for controlled and targeted production in L. lactis. For details about plasmid constructions and contents see Bermúdez-Humarán et al. (2003) [5]. Plasmid backbone is a derivative of the rolling circle plasmid pWVO1, an E. coli-Gram positive shuttle vector. Arrows (1) indicate the presence of the nisin-inducible promoter (PnisA); solid vertical bars (2) indicate the Ribosome Binding Site of the usp45 gene; the striped bar indicate signal peptide of the usp45 gene (SPUsp); the white bar indicates the insertion of LEISSTCDA synthetic propeptide [18]; dark gray bars indicates Nuc mature coding sequence; stem-loop structures indicate trpA transcription terminators (not to scale). A NsiI restriction site comprises the ATG start codon (in pCYT) or the last two residues of SPUsp (pSEC) and allows a simple and one-step cloning of the cassettes corresponding to the mature proteins for cytoplasmic production (pCYT) or secretion (pSEC).](/imgs/rescaled137/545053_1475-2859-4-2-1.png) | Protein secretion in Lactococcus lactis : an efficient way to increase the overall heterologous protein... | Figure 1: Schematic representation of Nuc cassettes for controlled and targeted production in L. lactis. For details about plasmid constructions and contents see BermĂşdez-Humarán et al. (2003) [5]. Plasmid backbone is a derivative of the rolling circle plasmid pWVO1,...Bottom Line: These data show that i) secretion is preferable to cytoplasmic production; ii) secretion enhancement (by signal peptide and propeptide optimization) results in increased production yield; iii) protein conformation rather than protein size can impair secretion... | Le Loir Y, Azevedo V, Oliveira SC, Freitas DA, et al. - Microb. Cell Fact. (2005) |
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