Báo cáo khoa học: "Fertility of frozen-thawed stallion semen cannot be predicted by the currently used laboratory methods" ppt

... Access Research Fertility of frozen-thawed stallion semen cannot be predicted by the currently used laboratory methods P Kuisma 1 , M Andersson 1 , E Koskinen 2 and T Katila* 1 Address: 1 Department of Clinical ... predicting the fertilizing capacity of semen. The results of Exp. 1 could not be repeated, although the stallions and methods used were p...

Ngày tải lên: 12/08/2014, 18:21

... as there is no clear correlation between the number of amyloid plaque and the severity of dementia [2–5]. It has recently been suggested that soluble Ab species cause AD as the levels of these ... slows the oligomerization of Ab peptides by binding to the peptides in their oligomeric state. Figure 1B suggests that the number of PFD molecules binding to one Ab oligomer...

Ngày tải lên: 07/03/2014, 04:20

... of ETA, or whether it involves the dual het- erogeneous part of the toxin. Use of this approach will provide novel insight(s) into the physiological signifi- cance of the endosomal fragments of ... (intrinsic apoptotic effect). Both pathways require the translocation of ETA into the cytoplasm of toxin-treated cells. On the basis of the reconstitution of the...

Ngày tải lên: 18/02/2014, 04:20

... numbers over the diagrams indicate the position of the corresponding nucleotides relative to the translation start site, and the numbers in parentheses below the diagram show the position of the ... detection software as the cycle number at which the fluorescence of the reporter dye crossed the threshold in log-linear range of PCR. The copy numbers of the...

Ngày tải lên: 19/02/2014, 06:20

... gener- ated by clustalx [27] of some of these sequences belonging to the proteinase K family, and the number- ing in this alignment is used throughout the Results and Discussion. In addition to the mesophilic ... of SPRK shows > 43% sequence identity compared to the corresponding region of the bacterial members in the PRK family compared here (Fig. 2B). The only...

Ngày tải lên: 19/02/2014, 07:20

... orthophosphate after the hydrolysis of GTP. Completion of the Ran cycle is shown in the middle for Smad3 because the role of Ran has only been analyzed in detail in the case of Smad3. Cytoplasmic ... homology 1 domain of all Smads binds to importin-b in the case of Smad3 and importin-a in the case of Smad4, while mutation of the NLS blocks the ability of th...

Ngày tải lên: 07/03/2014, 01:20

... presence of GalA was unequivocally confirmed by GC-MS analysis of trimethylsilil ethers of methyl glycosides liberated from lipid A by methanolysis (Fig. 1). The 31 P-NMR spectrum of the crude ... are components of acyloxyacyl residues. The predicted ions for the third type of oxonium ions composed of DAG and two amide acyl residues have not been registered, due to...

Ngày tải lên: 07/03/2014, 15:20

... cDNA of LEPRb, phosphorylation of STAT1, STAT3, STAT5 and the ERK kinases was induced by leptin. The weak response of STAT5 to leptin compared to that elicited by GH can be partially explained by ... Bahrenberg G, Behrmann I, Barthel A, Hekerman P, Heinrich PC, Joost HG & Becker W (2002) Identifica- tion of the critical sequence elements in the cytoplasmic domain o...

Ngày tải lên: 07/03/2014, 16:20

... France), quantified by the measurement of the peak area and referred to known quantities of pure peptides used as standards. Labeling of the toxin The labeling was carried out in 37 lL of 400 m M Tris/HCl buffer ... and used within a month after labeling. For iodination of the peptide using nonlabeled iodine, the protocol was as described above, except that 200 lgof...

Ngày tải lên: 08/03/2014, 02:21

... affect the stereoselectivity of epoxidation. The presence of the anionic lipid PtdSer increased the formation of DE2 twice as much as that of DE1. Even the relatively small portion of the negatively charged ... stereoselectivity of epoxidation The stereoselectivity o f the e poxidation reaction can be demonstrated by the ratio of the formation rates o f...

Ngày tải lên: 08/03/2014, 10:20