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68521por Nayak, Satyaprakash, Salim, Saniya, Luan, Deyan, Zai, Michael, Varner, Jeffrey D.“…Thus, when taken together, these results support the working hypothesis that cell-cycle control architectures are HOT networks and establish the mathematical estimation and subsequent therapeutic exploitation of fragile mechanisms as a novel strategy for anti-cancer lead generation.…”
Publicado 2008
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68522“…The functional assignments served as a basis to develop a mathematical model, linking 666 genes (both previously and newly annotated) to metabolic roles. …”
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68523por Shi, Leming, Jones, Wendell D, Jensen, Roderick V, Harris, Stephen C, Perkins, Roger G, Goodsaid, Federico M, Guo, Lei, Croner, Lisa J, Boysen, Cecilie, Fang, Hong, Qian, Feng, Amur, Shashi, Bao, Wenjun, Barbacioru, Catalin C, Bertholet, Vincent, Cao, Xiaoxi Megan, Chu, Tzu-Ming, Collins, Patrick J, Fan, Xiao-hui, Frueh, Felix W, Fuscoe, James C, Guo, Xu, Han, Jing, Herman, Damir, Hong, Huixiao, Kawasaki, Ernest S, Li, Quan-Zhen, Luo, Yuling, Ma, Yunqing, Mei, Nan, Peterson, Ron L, Puri, Raj K, Shippy, Richard, Su, Zhenqiang, Sun, Yongming Andrew, Sun, Hongmei, Thorn, Brett, Turpaz, Yaron, Wang, Charles, Wang, Sue Jane, Warrington, Janet A, Willey, James C, Wu, Jie, Xie, Qian, Zhang, Liang, Zhang, Lu, Zhong, Sheng, Wolfinger, Russell D, Tong, Weida“…Our results demonstrate that (1) previously reported discordance between DEG lists could simply result from ranking and selecting DEGs solely by statistical significance (P) derived from widely used simple t-tests; (2) when fold change (FC) is used as the ranking criterion with a non-stringent P-value cutoff filtering, the DEG lists become much more reproducible, especially when fewer genes are selected as differentially expressed, as is the case in most microarray studies; and (3) the instability of short DEG lists solely based on P-value ranking is an expected mathematical consequence of the high variability of the t-values; the more stringent the P-value threshold, the less reproducible the DEG list is. …”
Publicado 2008
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68524por Goodin, Douglas S.“…METHODOLOGY/PRINCIPAL FINDINGS: A mathematical Model for MS pathogenesis is developed, incorporating these environmental and genetic factors into a causal scheme that can explain some of the recent changes in MS-epidemiology (e.g., increasing disease prevalence, a changing sex-ratio, and regional variations in monozygotic twin concordance rates). …”
Publicado 2009
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68525por Kriström, Berit, Dahlgren, Jovanna, Niklasson, Aimon, Nierop, Andreas FM, Albertsson-Wikland, Kerstin“…The design used was mathematical curve fitting on observed growth response data from children treated with a GH dose of 33 μg/kg/d. …”
Publicado 2009
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68526“…BACKGROUND: Most mathematical models of biochemical pathways consider either signalling events that take place within a single cell in isolation, or an 'average' cell which is considered to be representative of a cell population. …”
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68527por Hens, Niel, Goeyvaerts, Nele, Aerts, Marc, Shkedy, Ziv, Van Damme, Pierre, Beutels, Philippe“…BACKGROUND: Until recently, mathematical models of person to person infectious diseases transmission had to make assumptions on transmissions enabled by personal contacts by estimating the so-called WAIFW-matrix. …”
Publicado 2009
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68528“…Previous attempts to explain these results harnessed additional genes to the system and deployed complex deterministic mathematical models that were only partially successful in explaining the results. …”
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68529por Harvey, William T, Bransfield, Robert C, Mercer, Dana E, Wright, Andrew J, Ricchi, Rebecca M, Leitao, Mary M“…Abnormalities were quantified and grouped by system, then compared and summarized, but the numbers were too small for more complex mathematical analysis. The quantification of physical and laboratory abnormalities allowed at least the creation of a practical clinical boundary, separating probable Morgellons from non-Morgellons patients. …”
Publicado 2009
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68530“…We also point out the similarities and differences between ICM and MASP algorithms through both mathematically relationships and segmentation results on CT images. …”
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68531“…For each response factor, experimental data were fitted mathematically. After data translation to €/Mg dry straw, determining the relative contribution of each response factor, an economic optimization was calculated within the limits of the design variables. …”
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68532por Schroeder, Marie A., Swietach, Pawel, Atherton, Helen J., Gallagher, Ferdia A., Lee, Phillip, Radda, George K., Clarke, Kieran, Tyler, Damian J.“…In hearts pre-treated with the carbonic anhydrase (CA) inhibitor, 6-ethoxyzolamide, the (13)C measurement underestimated the (31)P-measured pH(i) by 0.80 pH units. Mathematical modelling predicted that the validity of measuring pH(i) from the H(13)CO(3)(−)/(13)CO(2) ratio depended on CA activity, and may give an incorrect measure of pH(i) under conditions in which CA was inhibited, such as in acidosis. …”
Publicado 2010
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68533por Bartfeld, Sina, Hess, Simone, Bauer, Bianca, Machuy, Nikolaus, Ogilvie, Lesley A, Schuchhardt, Johannes, Meyer, Thomas F“…Oscillations were detected at the single-cell level using real-time microscopy as well as at the population level using high-throughput image analysis. In addition, mathematical modeling of NF-κB dynamics during bacterial infections predicted masking of oscillations on the population level in asynchronous activations, which was experimentally confirmed. …”
Publicado 2010
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68534“…RESULTS: This work confirms the prediction of previous mathematical models and simulations that suggested that administration of chemotherapy with the goal of tumor stabilization instead of eradication would yield better results (longer subject survival) than the use of maximum tolerated doses. …”
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68535“…METHODOLOGY/PRINCIPAL FINDINGS: We used mathematical simulations to model nest building behavior in an orangutan population to compare the quality of the population size estimates produced by two of the commonly used nest count methods, the ‘marked recount method’ and the ‘matrix method.’ …”
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68536por McCaw, James M, Forbes, Kristian, Nathan, Paula M, Pattison, Philippa E, Robins, Garry L, Nolan, Terence M, McVernon, Jodie“…BACKGROUND: Mathematical models of infection that consider targeted interventions are exquisitely dependent on the assumed mixing patterns of the population. …”
Publicado 2010
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68537por Malisa, Allen L, Pearce, Richard J, Abdulla, Salim, Mshinda, Hassan, Kachur, Patrick S, Bloland, Peter, Roper, Cally“…BACKGROUND: It is argued that, the efficacy of anti-malarials could be prolonged through policy-mediated reductions in drug pressure, but gathering evidence of the relationship between policy, treatment practice, drug pressure and the evolution of resistance in the field is challenging. Mathematical models indicate that drug coverage is the primary determinant of drug pressure and the driving force behind the evolution of drug resistance. …”
Publicado 2010
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68538“…We now test the relationship between flexibility and robustness, using a mathematical model of the circuit controlling conidiation in the fungus Neurospora crassa. …”
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68539por Nyirenda, Makandwe, Zaba, Basia, Bärnighausen, Till, Hosegood, Victoria, Newell, Marie-Louise“…Assuming HIV status among individuals contacted but who refused to test (non-response) is missing at random and mortality among non-testers can be related to mortality of those tested a mathematical model was developed. Non-parametric bootstrapping was used to estimate the 95% confidence intervals around the estimates. …”
Publicado 2010
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68540“…RESULTS: We studied the behavior of simple mathematical models of signaling networks composed of two interconnected pathways that share an intermediate component, asking if the two pathways in the network could exhibit both output specificity (preferentially activate their own output) and input fidelity (preferentially respond to their own input). …”
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