... used in the study The Pearson Correlation distance was calculated to represent the expression differences between the arrays The leaves of the tree represent each of the 15 arrays used in this study ... upregulation by the knock-down, A histogram was then generated based on the distribution of the scores of all the probe sets that were either upregulated or downregulated by PMA (Fig 7) We examined the effect ... similarity below each GO node This number is then compared against the distribution of counts expected for a random list of the same size Statistical consideration of the counts is based on a sampling...
Ngày tải lên: 13/08/2014, 09:20
... from one to the other While the methods may be confusing, the mathematics behind them is the same for all In this paper, you will learn some of the simpler ways to figure out many of the subnetting ... structure The fourth octet is part of the host field of the address The subnetting structure is found in the third octet of the mask, the 248 Let’s see how this works out As we did before, subtract the ... determine the number of addresses in each subnet; in this case, 18 Next, round up to the next power of The next larger power of beyond 18 is 32 Subtract 32 from 256 The result is 224 This is the fourth...
Ngày tải lên: 21/12/2013, 04:18
Tài liệu Báo cáo khoa học: Down-regulation of heme oxygenase-2 is associated with the increased expression of heme oxygenase-1 in human cell lines docx
... 6) On the other hand, knockdown of either HO-1 or HO-2 expression resulted in the accumulation of heme in the hemintreated HepG2 cells Taken together with the siHO-2mediated induction of HO-1 ... [19] SA is a specific inhibitor of d-aminolevulinic acid dehydratase, the second enzyme of the heme biosynthetic pathway SnPP is a competitive inhibitor of HO activity [35] The heme content of all ... evaluation of heme dynamics in cultured cells Role of heme metabolism in cellular heme content Regulatory role of free heme in expression of HO-1 To evaluate the contribution of heme synthesis and...
Ngày tải lên: 19/02/2014, 05:20
Tài liệu Báo cáo Y học: Thermostability of manganese- and iron-superoxide dismutases from Escherichia coli is determined by the characteristic position of a glutamine residue pdf
... metal at the active site The presence of iron is therefore a prerequisite for its effect and suggests that the absence of reactivity with the MnSOD mutants is due to the lack of activity in these ... SODs is not governed by one or even two residues, but is most likely accomplished by the concerted effects of a combination of key residues Further analysis of these and other mutant SODs is currently ... was the extremely high thermostability of Mn[G77Q] and the very low thermostability of Fe[A141Q] (Fig 5) Each of these mutants has two glutamine residues in their active sites; one from the Ônaturally...
Ngày tải lên: 21/02/2014, 01:21
Báo cáo khoa học: Proteolytic degradation of nitric oxide synthase isoforms by calpain is modulated by the expression levels of HSP90 potx
... described in the Experimental procedures The areas of the peaks were normalized on the basis of the amount of protein loaded on the column The values reported are the arithmetical mean ± SD of three ... HSP90 can also favour the insertion of the heme group in the synthase at its natural site, promoting the dimerization and thus the acquirement of the active conformation through the association with ... of HSP90 and incubated in the presence of the indicated amounts of human erythrocyte calpain in the conditions reported in the Experimental procedures At the end of the incubation, aliquots of...
Ngày tải lên: 23/03/2014, 07:20
Báo cáo khoa học: The catalytic role of the distal site asparagine-histidine couple in catalase-peroxidases potx
... consequence the pKa value of the NeH of the distal His is lowered and the rate constant for the reaction with hydrogen peroxide and cyanide is reduced The line of reasoning that the H2O2mediated ... on the decreased basicity of the distal His that depresses the proton abstraction from the donor (which precedes electron transfer from the substrate to the heme in HRP [22]) Thus, from the data ... (Leu147) and helps to additionally anchor the distal His in the optimum position It is reasonable to assume that in Asn153fiAsp the Asp residue is deprotonated at the polar distal site and therefore...
Ngày tải lên: 23/03/2014, 21:20
Báo cáo khoa học: Myocyte enhancer factor 2B is involved in the inducible expression of NOX1⁄ NADPH oxidase, a vascular superoxide-producing enzyme ppt
... upstream of the form expressed in CEC (a-type) [12] We searched the rat genomic database and found the counterpart of the mouse NOX1 exon 1c, the 5¢-terminal exon of the c-type mRNA RT-PCR was then ... Deletion of the MEF2-binding site abolished PGF2a-induced transcriptional activation A schematic diagram of the promoter-luciferase fusion plasmids is shown on the left, where the 5¢ ⁄ 3¢ ends of the ... identify the region responsible for the transcriptional activation, a series of deletion mutants of the 5130 Binding of MEF2 to the consensus sequence in the NOX1 promoter To verify whether the transcription...
Ngày tải lên: 30/03/2014, 03:20
Báo cáo khoa học: Irreversible cross-linking of heme to the distal tryptophan of stromal ascorbate peroxidase in response to rapid inactivation by H2O2 ppt
... spectrum Of these three residues, Trp35 is the only reactive residue and therefore the most likely to crosslink to the heme The 1892.8 m ⁄ z value obtained was 15.7 higher than the sum of the calculated ... part of the heme molecule is cross-linked to the distal tryptophan in the cytosolic APX isoform when it reacts with excess H2O2 in the absence of ascorbate They proposed that a vinyl group of heme ... side chain of Trp35 faces the distal cavity formed by the heme and N-terminal half of the apoprotein of the catalytic site ˚ (Fig 4B) Because the indole ring of Trp35 is 3.18 A from the porphyrin...
Ngày tải lên: 30/03/2014, 08:20
Báo cáo khoa học: The GxxxG motif of the transmembrane domain of subunit e is involved in the dimerization/oligomerization of the yeast ATP synthase complex in the mitochondrial membrane doc
... from the top of the native gel to the position of the monomeric form of the enzyme From these data, it was concluded that the mutation e19A altered the relationship between subunit e and the other ... sought whether the mutations in the dimerization motif of subunit e affected the dimerization/oligomerization of the ATP synthases Therefore, the presence of Table Phenotypic analysis of yeast ... Saccharomyces cerevisiae (P81449, Swiss-Prot) are in bold The numbering of the yeast subunit e begins at the initiating methionine The star indicates the position of the unique cysteine residue of the yeast...
Ngày tải lên: 31/03/2014, 01:20
Báo cáo toán học: "The characteristic polynomial of a graph is reconstructible from the characteristic polynomials of its vertex-deleted subgraphs and their complements" doc
... by Theorem 3.1 is the question of whether PG (x) is reconstructible from the two decks P(G), P(G) Unlike the condition of the electronic journal of combinatorics (2000), #R12 Theorem 3.1, here ... (x) Moreover, the characteristic polynomials of the pairs G7 , H7 , G11 , H12 and G12 , H11 differ only in their respective coefficients of x The list of the characteristic polynomials of the vertex ... vertex-deleted subgraphs is the most general case of problems of this type There are counter-examples to the question of whether a graph invariant I(G) is reconstructible from the collection { I(Gu),...
Ngày tải lên: 07/08/2014, 06:20
báo cáo khoa học: "Down-regulation of TM4SF is associated with the metastatic potential of gastric carcinoma TM4SF members in gastric carcinoma" ppt
... suggest that this metastasis suppressor gene and other members of this group of genes, like CD9 and CD63 will be of tremendous interest to the drug discovery industry for the development of therapeutics ... metastasis suppressor gene [29] Although the precise mechanisms for regulation of CD82 remain unclear, down-regulation rather than mutation is the most common mechanism in the Page of progression of ... a suppressor of tumor cell metastasis, have the clearest mechanisms of the three members the mechanisms of CD82 inhibits cell motility and invasiveness may because it can active the FAK-Src-p130Cas-CRKII...
Ngày tải lên: 09/08/2014, 01:24
Báo cáo khoa học: "Adenocarcinoma of the third portion of the duodenum in a man with CREST syndrome" pot
... adenocarcinoma within the duodenum is reported to parallel the length of each portion The first portion is affected in 15%, the second portion in 40% and the third and fourth portion in 45% of the cases [5] ... of the series to the third portion of the in the Barium upper GIsecondshowing a stricture (arrow) duodeBarium upper GI series showing a stricture (arrow) in the transition of the second to the ... invading the third portion of the duodenum and possibly the pancreas Therefore, a partial pancreatoduodenectomy (Whipple's procedure) Figure (arrows) in the duodenum Computed tomography of the abdomen...
Ngày tải lên: 09/08/2014, 07:21
Báo cáo y học: " Epinephrine: Is it really the black sheep of vasoactive agents" pptx
... alter acid base balance In view of the important role of the integrity of the intestinal epithelium in development of multiple organ dysfunction syndrome and the effects of epinephrine on splanchnic ... Second, a large number of subjects (1261/1591) screened for the study were not enrolled, thereby limiting the generalizability of the study Third, by design, all subjects Page of had some exposure ... including >15 μg/kg/min of dopamine or any dose of epinephrine or norepinephrine This exposure, though less than 24 hours, may have confounded the effects of vasoactive agents and the ability to detect...
Ngày tải lên: 13/08/2014, 20:22
OPTIMIZING OVER THE EFFICIENT SET OF A CONVEX MULTIPLE OBJECTIVE PROBLEM TWO SPECIAL CASES1
... compact set in R k Therefore the efficient set Yep is nonempty [7] The relationship between the efficient decision set E X and the efficient set Yep of the outcome set Y is described as follows ... (Pi) , ykI ) is called the ideal point of the set T Notice that the ideal point y I need not belong to T Proposition 2.3 If y I T then Yep = { y I } Proof This fact follows from the definitions ... (CMP) is a bicriteria convex programming problem and the objective function h( x) of the problem (OP0 ) has the form as (1) In this case, the procedure for solving problem is established basing...
Ngày tải lên: 23/04/2015, 10:02
Tài liệu Essays on the Materialistic Conception of History ppt
... for us, the human process is palpable One of these is the origin of the bourgeoisie, so recent and in the full light of the science of economics; the other is the ancient formation of the society ... take their point of departure in this datum of experience, that the officers of the state, whether by the acquiescence of the subject masses or profiting by the antitheses of interests of the different ... That is the subject of all discussion since the appearance of this theory and thence follows also the rule of conduct which imposes itself upon the action of the socialist parties whether they...
Ngày tải lên: 21/02/2014, 21:20
Alexander the Great Makers of History pot
... from the main-land to the island on which the city was founded, out of the ruins of old Tyre, and then marching his army over upon it to the walls of the city, where he could then plant his engines ... envied them the fame and honor which this distinction gave them in the opinion of mankind He determined to visit the temple of Jupiter Ammon in the Oasis of Siwah, and to have the declaration of his ... whichever they pleased, but he wished to be treated either like one or the other On his return from the Oasis Alexander carried forward his plan of building a city at the mouth of the Nile He...
Ngày tải lên: 17/03/2014, 02:20
Cyrus the Great Makers of History ppt
... measured the pole and also its shadow He also measured the length of the shadow of the pyramid He then calculated the height of the pyramid by this proportion: as the length of shadow of the pole is ... called them together, and asked them which day they had liked the best They replied that there was nothing at all to like in the one, and nothing to be disliked in the other They had had, on the ... himself in his determination to accomplish them, that it is said he attempted to assassinate his brother on the day of his coronation His attempt was discovered, and it failed His brother, however,...
Ngày tải lên: 17/03/2014, 20:20
Báo cáo Y học: Characterization of the active site of histidine ammonia-lyase from Pseudomonas putida pptx
... imidazolyl-N1 of the histidine, Asn195 coordinating water O , NH1 of histidine, and S atom of the sulfate anion , carboxylate C of histidine After docking, the sulfate ion and the two water molecules ... molecules were deleted and the structure containing the zwitterionic L -histidine substrate was optimized using the MM method of the HYPERCHEM [28] program (Fig 2A) On the basis of the recently elucidated ... Model b Model c S142C3 –HisC40 S142O1 – HisN10 H83N10 –HisN30 E414O1 –HisC3 N195O1 –HisN2 Y53OH –HisN2 Y53OH –HisO1 Q277N4 –HisO1 R283NH1 –HisO0 R283NH2 –HisO0 4.43 4.79 4.01 5.54 2.89 4.85 2.84...
Ngày tải lên: 18/03/2014, 01:20
Báo cáo khoa học: Zinc potentiates the antibacterial effects of histidine-rich peptides against Enterococcus faecalis pot
... that the antibacterial activity of histatin is enhanced by Zn2+, thus providing further proof of the concept that Zn2+ may regulate the antimicrobial activity of histidine-rich AMPs In this context, ... investigated the antibacterial effect of the histidin-rich peptide histatin against E faecalis 2374 in the presence of different ions The results showed that Zn2+ significantly potentiated the antimicrobial ... by histidines (yielding the AHH24 peptides, Table 1) completely abolished the antimicrobial capacity of these peptides By imposing a positive charge on the AHH24 peptides, i.e by the addition of...
Ngày tải lên: 23/03/2014, 11:20
Bloodletting Instruments in the National Museum of History and Technology pot
... NOTE: Height is measured to the top of the casing The height may vary by a few millimeters because setting the depth of cut of the blades is accomplished by raising or lowering the bottom of the ... catches, the first exposing the blades, and the second rotating them a full 180 degrees Pressure on the release lever pushed the catch off the tooth on the cocking lever, thereby releasing the ... century The case is made of wood and covered with red paper, and has "F D" stamped on the bottom A piece of paper with the date "1877" is affixed to the top of the case This is the date that the donor...
Ngày tải lên: 23/03/2014, 17:20