development of embryo sac from megaspore mother cell

... aspect of Itk, its role in the development and function of iNKT and NKT-like cd T cells. Itk and i NKT cell development NKT cells are a subset of innate T cells characterized by their expression of ... iNKT cells, and Itk may regulate the expression of T-bet in these cells, thus regulating iNKT cell development [20]. Role of Itk in i NKT cell function Analysis of the remaining Itk-null i NKT cells ... whereas IL-4 is Fig. 1. Involvement of Itk in the development of i NKT and NKT-like cd T cells. During T -cell development in the thymus, cd T cells separate from ab T cells during the CD4 ) CD8 ) DN...

Ngày tải lên: 28/03/2014, 22:21

Ngày tải lên: 05/09/2013, 16:10

... alignment of N-terminal (A ⁄ B) domains of LdEcR and DmEcR. (A) Alignment of EcRA from the two species. (B) Alignment of DmEcRB1, DmEcRB2, and LdEcRB. (C) Alignment of most carboxy-terminal side of ... (A ⁄ B) domains of EcR are also divergent in the two insect species [31] (Fig. 1), although all of the isoforms from both species share almost complete identity over a stretch of 35–37 amino acids ... University of North Carolina at Greensboro, NC, USA 2 Laboratory of Agrozoology, Department of Crop Protection, Faculty of Bioscience Engineering, Ghent University, Belgium 3 Division of Applied...

Ngày tải lên: 18/02/2014, 08:20

... endothelial cells from various developmental stages and locations is important for dissecting molecular and cellular mechanisms of endo- thelial development and function. Murine primary cells, including ... substantial proportion of the cell population from the uterus (Fig. 3C) also stained positive for Lyve-1, indi- cating that cell populations obtained from these tissues were a mixture of blood vascular ... Spagnuolo R & Dejana E (2000) Develop- ment of endothelial cell lines from embryonic stem cells: a tool for studying genetically manipulated endothelial cells in vitro. Arterioscler Thromb Vasc...

Ngày tải lên: 18/02/2014, 17:20

... effects of the years of schooling of the head of the household, the years of schooling of the money manager and the average schooling of the heads of the village households are estimated. All of the ... the average years of schooling of the household heads and the years of schooling of the money manager, all of the village bank participation estimates also include the percentage of the surveyed ... Northeast Central Not a Member of Village Bank Member of Village Bank Not a Member of Village Bank Member of Village Bank Not a Member of Village Bank Member of Village Bank Observations 784...

Ngày tải lên: 06/03/2014, 10:20

... presence of calcium were carried out with the addition of 5 mm CaCl 2 in the buffer. For investi- gation of the thermal denaturation of annexin B1, the CD signal at 222 nm was monitored from 20 ... ubiqui- tously distributed on the surface of cells and acts as a regulator of ligand–receptor encounters [17], promotes protein assembly [18] and thus coordinates a variety of cellular functions. Heparan sulfate ... the globe of the eye [30]. In an attempt to find novel antigens for vaccine development, annex- in B1 was identified by immunological screening of a C. cellulosae library [31]. The ability of annexin...

Ngày tải lên: 07/03/2014, 12:20

... cavaglia@irst.itc.it Abstract Lexicon definition is one of the main bot- tlenecks in the development of new ap- plications in the field of Information Ex- traction from text. Generic resources (e.g., lexical ... tion requirement. Unfortunately one of the cur- rent trends in IE is the progressive reduction of the size of training corpora: e.g., from the 1,000 texts of the MUC-5 (MUC-5, 1993) to the 100 ... are used off-line, lexical ambigu- ity can introduce so much noise (and then over- head) in the lexical development process that their use can be inconvenient from the point of view of efficiency...

Ngày tải lên: 08/03/2014, 21:20

... of triacylglycerol formed per minute per mg of cell protein) as compared to CRLPs (9.79 ± 0.94 pmol of triacylglycerol formed per minute per mg of cell protein, P < 0.05). Effect of CRLPs containing probucol ... transcription of genes involved in the regulation of the uptake of the lipoprotein particles, cholesteryl ester or triacylglycerol synthesis, or the efflux of cholesterol from the cells. These ... Prevention of cholesteryl ester accumulation in P388D1 macrophage-like cells by increased cellular vitamin E depends on species of extracellular cholesterol. Conventional heterologous non-human cell...

Ngày tải lên: 16/03/2014, 16:20

... conformation of the other domains does not allow binding of divalent c ations. The molecular mechanism of calcium binding of plant annexins requires further studies and work aimed at investigation of this ... Biochem. 267, 3220–3225. 6. Sacre, S.M. & M oss, S.E. (2002) Intracellular localization of endothelial cell annexins is differentially regulated by oxidative stress. Exp. Cell Res. 274, 254–263. 7. ... structure of recombinant annexin Gh1 from Gossypium hirsutum (cotton fibre) has been determined and refined t o t he final R-factor of 0.219 at the resolution of 2.1 A ˚ . This plant annexin consists of...

Ngày tải lên: 17/03/2014, 03:20

... the development of such a substrate based on analysis of PrtA cleavage site specificity, and kinetic characterization of PrtA activity on the new substrate. Results and Discussion Identification of ... aliphatic amino acids Ala, Leu and Val. (b) From the dynamics of hydrolysis (estimated from the change in the amount of some fragments) (Figs 1A,2A), it was evident that most of the cleavage J. Marokha ´ zi ... separation of the extracellular proteases from the insecticidal Tc toxin complexes. Insect Biochem Mol Biol 30, 69–74. 31 Schmidt TM, Bleakley BH & Nealson KH (1988) Char- acterization of an extracellular...

Ngày tải lên: 23/03/2014, 09:20

... num- ber of LT-I receptor sites on differentiated cells should result from a greater number of blood group A-active glycoconjugates on the cell surface. Differentiation of adenocarcinoma cell lines ... effect of 125 I-labelled LT binding by H. pomatia lectin was also determined by pre- incubation of cells with lectin, as indicated for B subunits of toxins. Toxin-stimulated accumulation of intracellular cyclic ... glycosphingolipids from the plasma membrane of human adenocarcinoma HT29 cells elicits a signal transduction pathway, resulting in an increase of the cellular cyclic AMP levels [16]. HT29 cells and other...

Ngày tải lên: 30/03/2014, 10:20

... Project of human resources development. 26 3.Research Methods Surveys O For the purpose of analyzing the research problem, a total number of about 159 staffs who educating from the Project of Human ... Objectives of Project O The main objectives of Project Human Resources Development are to create good managers and excellent experts in many fields for serving economic-social development of the ... function of three critical psychological states which are Experienced Meaningfulness of the work, Experienced Responsibility for outcomes of the work and Knowledge of the Actual Results of the...

Ngày tải lên: 18/04/2014, 16:24

... concerning the Principles of Morals JHI = Journal of the History of Ideas JHP = Journal of the History of Philosophy JP = Journal of Philosophy KpV = Kant, Critique of Practical Reason §429 True ... expression of the will of the superior leaves me with no rational alternative to doing x. In Suarez’s view, this expression of the will of the superior is a command of the superior. This expression of ... operation of reason, not of will’ (Comm. ad90.1, p. 6). He considers the view of those who believe that the connexion of law to obligation requires us to think of natural law as ‘the will of God...

Ngày tải lên: 11/06/2014, 10:28

Ngày tải lên: 11/06/2014, 10:28

Ngày tải lên: 18/06/2014, 16:20

Ngày tải lên: 18/06/2014, 16:20

Ngày tải lên: 18/06/2014, 19:20