Tài liệu Báo cáo khoa học: Pathways and products for the metabolism of vitamin D3 by cytochrome P450scc docx

... as the products that they gave rise to. This revealed both the major and minor pathways for the metabolism of vitamin D3 by P450scc. Results Metabolism of vitamin D3 by P450scc Six different products, ... of D3 metabolism by P450scc were identified by MS and by examining their sub- sequent metabolism by P450scc. These products were...

Ngày tải lên: 18/02/2014, 17:20

... involved in the regulation of metabolism, gene expression and the susceptibility to different kinds of stress [6]. For example, the inhibi- tion of autophagic proteolysis by insulin, glutamine and ethanol ... tyrosine phosphorylation of the epidermal growth factor (EGF)-receptor, the association of CD95 with the EGF-receptor, and phosphorylation of CD95 on T...

Ngày tải lên: 18/02/2014, 16:20

... between the verb and the particle in order to optimize the perfor- mance of the tagger. 3. THE EXPERIMENT 3.1. DATA The first step in testing this hypothesis was to evalu- ate the current performance ... second, and the results of assuming a verbal tag in the third. (The "choice" colunm is explained below.) The average performance of PARTS for...

Ngày tải lên: 20/02/2014, 21:20

... otherwise (2) a is the examined string, lal the length of a in terms of number of words, f(a) the frequency of a in the corpus, Ta the set of candidate terms that contain a, P(T~) the ... in that they cannot be freely modified" (Sager, 1978). Therefore, information from the modifiers of the candidate strings could be used in the pro- cedure of th...

Ngày tải lên: 22/02/2014, 03:20

... reactions catalyzed by these enzymes are higher than that mediated by OGOR, and are there- fore unsuitable for the reduction of ferredoxin. Thus, the identification and characterization of enzymes that transfer ... Professor Hayao Taguchi (Tokyo University of Science) for the gift of the plasmid carry- ing the LDH gene from T. caldophilus; Dr Miho Aoshima and Ms...

Ngày tải lên: 16/02/2014, 09:20

... scheme for the numbering of the amino- acid sequences of immunoglobulins and the definition of their CDR loops, as described from 1997 [13]. The number- ing and definition of the L-CDR3 and H-CDR3 ... residues of diversity and junction, encoded by the D segment, and the V H -D, D-J H , and V L -J L junctions [17]. They are located at the center of th...

Ngày tải lên: 19/02/2014, 07:20

... report is the first to show that the signal transduction pathways of two isoforms of VEGF (VEGF 121 and V EGF 165 )mayberegulatedbyPF-4ata postreceptor level. These results, and those for the F GF2 signalling ... cloned chemokine receptor isoform named CXCR3B [34]. W e therefore studied the involvement of this receptor in the inhibition, by PF-4, of VEGF-indu ced MA...

Ngày tải lên: 19/02/2014, 16:20

... sense, ¯ h denotes the sense of the head word, and ¯o the sense of the object. 3 Data We use the data set for the SemEval 2007 PSD task, which consists of a training (16k) and a test set (8k) of sentences with ... for more than 10% of the 1.16m words in the Brown corpus and highly ambiguous. The Preposition Project (Litkowski and Hargraves, 2005) lists a...

Ngày tải lên: 20/02/2014, 05:20

... How- ever, the matching of the part -of- speech tags of the sentence sequences to the left and right of the in- fix, against the part -of- speech tags of the seed fact, only succeeds for the last three ... outer boundaries of the fact are computed separately for the beginning of the first (left) and end of the sec- ond (right) phrases of the can...

Ngày tải lên: 20/02/2014, 12:20

... by CD and NMR [4]. Thus, the stabilities of domains B and C are not significantly affected by their detachment from the remainder of the protein. Domain A, on the other hand, is destabilized by 9–10 ... together with the low unfolding enthalpy of the domain, is consistent with its lower degree of structure [5]. Under the same equilibrium conditions, the values...

Ngày tải lên: 21/02/2014, 03:20