Báo cáo khoa học: "Mechanisms of cell entry by human papillomaviruses: an overview" pps

... further advancement in the field of HPV Horvath et al. Virology Journal 2010, 7:11 http://www.virologyj.com/content/7/1/11 Page 5 of 7 REVIE W Open Access Mechanisms of cell entry by human papillomaviruses: ... The plasticity of man y cellular pathways means that viral entry may be impacted by an indirec t mechanism rather than by direct inhibition. Moreover, it is p...

Ngày tải lên: 12/08/2014, 04:21

... as evidenced by the complex structures with mercury of human butyrylcholinesterase (Fig. 4; Protein Data Bank entry 2J4C) and T. californica acetylcholinesterase (Protein Data Bank entry 2J4F). Mercury ... Barak D, Kronman C, Flashner Y, Leitner M, Segall Y, Ariel N, Cohen S, Velan B & Shafferman A (1993) Dissection of the human acetyl- cholinesterase active center determina...

Ngày tải lên: 23/03/2014, 09:21

... substrate repertoire and here we investigate the enzymatic activity of the human form of ADH3 for this compound. Recombi- nant expression and purification of wild-type and mutated forms of the enzyme ... sulfinic acid can be enhanced by addition of acid as described [16]. Discussion Human ADH3 readily catalyses the reduction of GSNO. The two glutathione conjugates HMGSH and GS...

Ngày tải lên: 31/03/2014, 07:20

... Transfection of HDV ribozyme into 7402 cells and colon cancer cells HCT116 led to growth arrest and the spontaneous apoptosis of cells, and the telomerase activity dropped to 10% of that before. Conclussion: ... telomeric antisense RNA, Eur. J. Cancer. 1998, 34(8): 1242-9. 18. Naka K, Yokozaki H, Yasui W, Tahara H, Tahara E, Tahara E: Effect of antisense human telomerase RNA transfe...

Ngày tải lên: 10/08/2014, 10:20

... to changes in the epigenetic status of plant genomic DNA in the process of dedifferen- tiation [29] that accompanies preparation of transgenic plants and plant cell lines. Cloning of plant cells ... appears to be suitable for analysing the sources of variability in transgene expres- sion. Methods Cultivation and transformation of BY- 2 cell line Tobacco cell line BY- 2 (Ni...

Ngày tải lên: 12/08/2014, 03:20

... of human stefins’ chi- meras: any correlation? Proteins 62, 918–927. 60 Rabzelj S, Turk V & Zerovnik E (2005) In vitro study of stability and amyloid-fibril formation of two mutants of human ... our understanding of the importance of different parts of the molecule and their flexibility in the process of amy- loid fibril formation often results more from a struc- tural ana...

Ngày tải lên: 14/02/2014, 18:20

... dysfunction and androgen deficiency, all of which contribute to the pathophysiol- ogy of ED. Approximately 25% of obese individuals exhibit MetS [2] and obesity, as manifested by an increased ... obesity and that this type of obesity contributes to insulin resistance (IR) and the increased release of cytokines, as well as the impairment, clearance and storage of triglycerides i...

Ngày tải lên: 18/02/2014, 06:20

... physiological significance of the enrichment of arachidonate in PtdIns can be clarified by investigating the functions of cells in which the arachidonic acid residue of PtdIns has been replaced with another ... Protein kinase C activity in the spleen of trout (Salmo gairdneri) and the rectal gland of dogfish (Scyliorhinus canicula), and the effects of phosphatidylserine and diacyl...

Ngày tải lên: 08/03/2014, 08:20

... cytometry, western blotting, quantification of internalized inhibi- tor by immunological methods and measurement of the cysteine inhibitory capacity of cells. The human cancer cell lines chosen included ... cancer cell lines were used (from the German Collection of Micro-organisms and Cell Cultures, Hamburg, Germany and the ATCC, Manassas, VA): MCF-7, MDA-MB-453 and MDA-MB-46...

Ngày tải lên: 16/03/2014, 06:20

... resting membrane potential of the respective cell. Does our finding have any general relevance to cell physiology? The resting membrane potentials of euk- aryotic cells vary widely. Most quiescent cells ... indicated by arrow; solid lines) or untreated (dashed lines). (B) Quantitative analysis of the amplitude of Ca 2+ released by ionomycin (left) and the amplitude of Ca 2+...

Ngày tải lên: 23/03/2014, 09:21