Model of stem

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Minireview cung cấp cho các bạn kiến thức về ngành y đề tài: Developmental stage related patterns of codon usage and genomic GC content: searching for evolutionary fingerprints with models of stem cell differentiation...

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  • This volume is an eclectic mix of applications of Monte Carlo methods in many fields of research should not be surprising, because of the ubiquitous use of these methods in many fields of human endeavor. In an attempt to focus attention on a manageable set of applications, the main thrust of this book is to emphasize applications of Monte Carlo simulation methods in biology and medicine.

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  • Harrison's Internal Medicine Chapter 66. Stem Cell Biology Stem Cell Biology: Introduction Stem cell biology is a relatively new field that explores the characteristics and possible clinical applications of the different types of pluripotential cells that serve as the progenitors of more differentiated cell types. In addition to potential therapeutic applications (Chap. 67), patient-derived stem cells can also provide disease models and a means to test drug effectiveness.

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  • Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học Journal of Biology đề tài: Acoel and platyhelminth models for stem-cell research...

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học quốc tế cung cấp cho các bạn kiến thức về ngành y đề tài:Modeling the clonal heterogeneity of stem cells...

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  • Modulation of the major histocompatibility complex by neural stem cell-derived neurotrophic factors used for regenerative therapy in a rat model of stroke

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  • The model used–an extension of the log-linear dividend-price ratio model of Campbell and Shiller (1988, 1989)–facilitates a straightforward test of these alternatives in a linear regression with the log price-earnings ratio as dependent variable. The regression results suggest that the correlation between the price-earnings ratio and expected inflation is the result of both effects; that is, an increase in expected inflation reduces equity prices because it is associated with both lower expected real earnings growth and higher required real returns.

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  • Tuyển tập các báo cáo nghiên cứu khoa học quốc tế về bệnh thú y đề tài: Functional recovery and neural differentiation after transplantation of allogenic adipose-derived stem cells in a canine model of acute spinal cord injury

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  • Therefore, ex vivo expansion of BMSCs is required to obtain a sufficient number of transplantable cells. Since BMSCs require several kinds of supportive factors for their growth, it is standard practice to use fetal bovine serum (FBS), while autologous human serum (HS) and pooled allogeneic HS have also been used. It has been suggested that FBS may not be favorable for clinical applications due to the possible risk of contamination (prions, viruses, zoonosis) or immunological reactions against xenogeneic serum antigens (Agata et al., 2009).

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  • In the past 15 years, molecular biologists and geneticists have uncovered some of the most basic mechanisms by means of which normal stem cells in a certain organ or tissue develop into cancerous tumors. This biological knowledge serves as a basis for various models of carcinogenesis.

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  • Policy-relevant background – This is an estimate based on air pollution models of the natural background ozone concentrations that would exist without sources of air pollution from human activity, and therefore cannot be affected by emissions control efforts (Fiore 2004).

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  • Active database systems require facilities to specify triggers that fire when specified events occur. We propose a language for specifying composite events as eveti expressions, formed using event operators and events (primitive or composite). An event expression maps an event history to anothe-r event history that contains only the events at which the event expression is “satisfied” and at which the trigger should 6re. We present several examples illustrating how quite complex event specifications are possible using event expressions.

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  • Air pollution is one of the most serious environmental threats to urban populations (Cohen 2005). Exposures vary among and within urban areas, but all people living in cities are exposed, and many are harmed, by current levels of pollutants in many large cities. Infants, young children, seniors and people who have lung and heart conditions are especially affected, but even young, healthy adults are not immune to harm from poor air quality.

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  • Estrogen acts as a proconvulsant in several animal models of epilepsy, including amygdalal kindling and pentylenetetrazol administration in ovariectomized rats (Hom and Buterbaugh, 1986). Estrogen induces the formation of new excitatory synapses in the CA1 region of the hippocampus; and further, this estrogenic induction involves activation of Nmethyl- Daspartate (NMDA) receptors (McEwen, 2002). Increasing the complexity of hippocampal synaptic density is likely a mechanism for the proconvulsant activity of estrogen.

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  • We envision a computer program that could offer effective critique to help indi- vidual students learn designing. However, our understanding of design critiquing as yet is too spotty or incomplete to realize this vision. Therefore, as a step in this direction we aim to develop a systematic framework to account for the decisions that a critic makes. We built the Furniture Design Critic system to develop a computational model of design critiquing.

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  • Research shows that sensational news stories as well as popular romance novels often feature themes related to important topics in evolutionary psychology. In the first of four studies described in this paper we examined the song lyrics from three Billboard charts: Country, Pop, and R&B. A content analysis of the lyrics revealed 18 reproductive themes that read like an outline for a course in evolutionary psychology. Approximately 92% of the 174 songs that made it into the Top Ten in 2009 contained one or more reproductive messages, with an average of 10.49 reproductive...

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  • Economic policy makers, macroprudential supervisors or investors are interested in reli- able estimates of the equilibrium level of credit in the economy. While earlier theoretical and empirical studies concentrated mostly on the aggregate level of credit to the pri- vate sector or the value of corporate credit, more recent studies focus on the problem of credit to households.

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  • In addition to the results prepared in accordance with generally accepted accounting principles ("GAAP"), the company uses adjusted EBITDA, a non-GAAP financial measure, in analyzing and assessing the overall performance of the business. The company defines adjusted EBITDA as loss from continuing operations before income taxes, interest income and expense, depreciation and amortization, stock based compensation, restructuring expense, acquisition and integration expenses and certain other non-cash income and expense items.

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  • Other than the mandatory audits of publicly financed Presidential campaigns and national party convention committees, Section 438(b) of the Federal Election Campaign Act (FECA) allows the Commission to audit a committee if its reports do not meet the threshold require- ments for substantial compliance with the Act. Campaign Finance Analysts in the Commis- sion’s Reports Analysis Division (“RAD”) review every report following detailed procedures approved by the Commission.

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  • This paper considers the problem of policy evaluation in a modern society with heterogeneous agents and diverse groups with conflicting interests. Several different approaches to the policy evaluation problem are compared including the approach adopted in modern welfare economics, the classical representative agent approach adopted in macroecononomics and the microeconomic treatment effect approach. A new approach to the policyevaluationproblemis developed and applied that combines and extends the best features of these earlier approaches.

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