the consequences of androgen action in bone cells

Báo cáo khoa học: Lack of stabilized microtubules as a result of the absence of major maps in CAD cells does not preclude neurite formation pot

Ngày tải lên : 23/03/2014, 05:22

... treating CAD cells with 10 lm Taxol did not cause increase of acetylated tubulin (Fig 1E), indicating that the acetylation state of tubulin depends mainly on the relative activities of the acetylating ... subsequent determination of optical density conﬁrmed the presence of actin in CAD cells (Fig 1B, lanes and 2) in an actin ⁄ tubulin proportion slightly higher than that determined in mouse brain [0.16 ... tyrosination states of tubulin The tubulin molecule is subject to a variety of posttranslational modiﬁcations [14,34] One of them comprises the reversible acetylation of its a-chain at the e-amino...

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siburg k.f. the principle of least action in geometry and dynamics

Ngày tải lên : 24/04/2014, 16:50

... lies in the union of all supports of minimal measures in Mh minimizes the action among all curves in the universal cover Rn with the same end points [69, Prop 3] The dynamics on the set of minimizing ... not depend on the generating function h Hence, not just the action, but also the minimal action is monotone in the generating function The monotonicity of the minimal action implies the second assertion ... i=−N The minimal action can be seen as a “marked” Principle of Least Action: it gives the (average) action of action minimizing orbits, together with the information to which topological type the...

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Báo cáo y học: "The role of cyclooxygenase-2 in bone repair" doc

Ngày tải lên : 09/08/2014, 01:21

... effects of an absence of COX-2 Thus, withdrawal of the drug in a patient might lead to a restoration of prostaglandin synthesis and a normal bone repair process Another point relates to the use of indomethacin ... the use of these drugs in the management of post-fracture or postoperative pain in patients requiring bone healing, I would advise that physicians and their patients be familiar with the information ... Conclusions The evidence supporting an essential role for COX-2 in experimental bone repair is strong However, there are no randomized, controlled trials in patients In the absence of these kinds of prospective...

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báo cáo khoa học: " Regulation of hypoxia inducible factor-1a expression by the alteration of redox status in HepG2 cells" pdf

Ngày tải lên : 10/08/2014, 10:21

... condition, the majority of glutathione is in the reduced form Shifting redox equilibrium is in favor of a reducing or oxidizing state; that is in modification of the redox status in cells [22,23] The ... dissolve the reduced formazan dye The effect of BSO on the growth of cells was determined from differences in absorbance The fraction of cells viability was calculated by comparing the optical ... that the redox status in hypoxic cells could influence the expression of HIF-1a protein Combining the previous researches with our results, we considered the mechanism, the redox status influencing...

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Báo cáo y học: "Protein Never in Mitosis Gene A Interacting-1 regulates calpain activity and the degradation of cyclooxygenase-2 in endothelial cells" pot

Ngày tải lên : 11/08/2014, 08:22

... succinimidyl ester]-threonineproline-leucine-lysine~serine-proline-proline-proline-serine-proline-arginine-[5-((2-aminoethyl)amino)naphthalene-1-sulfonic acid] The reaction mixture contained ... calpain inhibitor III), PD150606, porcine μ-calpain, [4-((4-(dimethylamino)phenyl)azo)benzoic acid, succinimidyl ester]-threonine-proline-leucine-lysine~serine-proline-proline-proline-serineproline-arginine-[5-((2-aminoethyl)amino)naphthalene1-sulfonic ... cell injury [41,42] The impact of the co-induction of iNOS and COX-2 in endothelium requires further investigation The role of calpain activity may also be complex The most well-studied calpains,...

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Báo cáo y học: " Polysaccharides from the root of Angelica sinensis protect bone marrow and gastrointestinal tissues against the cytotoxicity of cyclophosphamide in mice

Ngày tải lên : 02/11/2012, 10:19

... activity of ODC gene [29], which is involved in polyamine synthesis It is likely that the cell cyclearresting action of CY in the stomach in this study was due to the activation of p53 and therefore ... therefore leading to the suppression of the c-Myc/ODC pathway All these findings could explain the mechanism of CY on repression of cell proliferation in the gastroduodenal mucosae In general, ... was therefore not surprising that CY administration resulted in a decrease in the proliferating cell number in both the gastric and duodenal tissues Indeed the decrease in cell proliferation in...

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Báo cáo y học: "PKC and PKA Phosphorylation Affect the Subcellular Localization of Claudin-1 in Melanoma Cells"

Ngày tải lên : 03/11/2012, 11:17

... (CLDN1-NLS), there is increased expression of claudin-1 in the nucleus, but there are still large amounts of claudin-1 in the cytoplasm as well B) All of the claudin-1 in the nucleus can be shuttled into ... that increasing the levels of CLDN-1 increases the invasion of melanoma cells (4) To determine if the increase in claudin-1 needs to be cytoplasmic and not nuclear to affect the ability of melanoma ... expression of claudin-1 in the cytoplasm, with some nuclear expression of claudin-1 B) Treatment of these cells with PKA inhibitor results in nuclear translocation of claudin-1 in as little as 15 minutes,...

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The Situation of Elderly People in Turkey and National Plan of Action on Ageing potx

Ngày tải lên : 14/03/2014, 17:20

... comprising of the determination of the proceedings that need to be implemented in this plan of action, planning of the inter-segmental activities, provision of the implementation of the determined actions ... http://ekutup.dpt.gov.tr/nufus/yaslilik/eylempla-i.pdf The Situation of Elderly People in Turkey and National Plan of Action on Ageing The 20th century has been a turning point in the history of mankind as far as the change that occurred in the ... accommodates the wisdom and insight of having been able to sustain one’s existence despite the strains of life’s all phases The issue of ageing in Turkey remains behind that of industrialized...

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Báo cáo khoa học: Alternative initiation of transcription of the humanpresenilin 1gene in SH-SY5Y and SK-N-SH cells The role of Ets factors in the regulation ofpresenilin 1 pptx

Ngày tải lên : 16/03/2014, 18:20

... domain ERM contains two DNA binding inhibitory domains ﬂanking the Ets domain: the central 87 amino acid inhibitory domain is poorly conserved and virtually speciﬁc to ERM, and the C-terminal ... marks the position of supershifted complexes (B) The binding of in vitro translated ERM is eliminated by mutations in Ets motifs The binding of in vitro translated ERM over the PS1 promoter was ... complexes with in vitro translated ERM which could be supershifted by the antibody, indicating the presence of ERM binding site(s) in each of the three probes We also examined the pattern of complexes...

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Báo cáo khoa học: Calcium-induced contraction of sarcomeres changes the regulation of mitochondrial respiration in permeabilized cardiac cells doc

Ngày tải lên : 16/03/2014, 22:20

... production in the local coupled creatine kinase reactions, including mitochondrial creatine kinase [3840] Increase of the free calcium concentration to lm resulted in some decrease of the Vmax, ... by Kummel in 1988 [57], is explained by an increased turnover of ADP and ATP inside the ICEUs owing to the channelling of both nucleotides Indeed, if the accumulation of ADP inside the ICEUs ... cardiac cells as a result of the formation of actomyosinADP rigor complexes [59] In the presence of the exogenous ATP regenerating system and of high concentrations of ATP, but in the absence of mitochondrial...

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Báo cáo khoa học: The chromosomal protein HMGN2 mediates lipopolysaccharide-induced expression of b-defensins in A549 cells potx

Ngày tải lên : 22/03/2014, 16:20

... replenishment of HMGN2 protein upregulated the protein levels of HBD-2, an indication that the levels of this protein are indeed linked to the cellular levels of HMGN2 In contrast, replenishment of the ... factor) In particular, HMGN3 and PDX1 mutually reinforce their speciﬁc binding to the Glut2 chromatin without interaction with each other or sharing the same binding sites in Glut2 chromatin [28,44] ... Based on these data, we propose that HMGN2 and p65 mutually reinforce their speciﬁc binding to the chromatin in the promoter of the HMGN2 gene, thereby regulating HMGN2 protein levels in A549 cells...

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Báo cáo khoa học: Expression studies of the core+1 protein of the hepatitis C virus 1a in mammalian cells pot

Ngày tải lên : 30/03/2014, 03:20

... distribution in interphase cells, and in dividing cells they also localize to the microtubules of the mitotic spindle Results Intracellular levels of the HCV-1a core+1 protein in Huh-7 cells are ... levels in the presence of core was the result of an overloading of the cellular protein-synthesis machinery and of a shortage of its components Finally, we examined the possible effect of core+1 ... modulation of multiple genes involved in lipid metabolism [69] The location of the core+1 ORF within the viral genome, the ﬁndings that the core+1 ORF can be expressed independently of the polyprotein...

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$báo cáo hóa học:" The use of beta-tricalcium phosphate bone graft substitute in dorsally plated, comminuted distal radius fractures" doc$

báo cáo hóa học:" The use of beta-tricalcium phosphate bone graft substitute in dorsally plated, comminuted distal radius fractures" doc

Ngày tải lên : 20/06/2014, 04:20

... involved in the design of the study, did the statistical interpretation and analysis JG carried out the examinations, was involved in the development of the study RJ developed the design of the study, ... zone Page of can only marginally increase stability of the construct, and thus decreasing the risk of secondary dislocation A shortcoming of the study could be the use of granular bone graft ... dislocations are the result of massive comminution which prevents stable fixation of the fragments and was also not influenced by additional bone grafts Filling of the dead space of the comminution zone...

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$báo cáo hóa học:" The use of beta-tricalcium phosphate bone graft substitute in dorsally plated, comminuted distal radius fractures" pdf$

báo cáo hóa học:" The use of beta-tricalcium phosphate bone graft substitute in dorsally plated, comminuted distal radius fractures" pdf

Ngày tải lên : 20/06/2014, 07:20

... involved in the design of the study, did the statistical interpretation and analysis JG carried out the examinations, was involved in the development of the study RJ developed the design of the study, ... zone Page of can only marginally increase stability of the construct, and thus decreasing the risk of secondary dislocation A shortcoming of the study could be the use of granular bone graft ... dislocations are the result of massive comminution which prevents stable fixation of the fragments and was also not influenced by additional bone grafts Filling of the dead space of the comminution zone...

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Báo cáo hóa học: " Voice Biometrics over the Internet in the Framework of COST Action 275" pptx

Ngày tải lên : 23/06/2014, 01:20

... contamination of the speech signal, (ii) induced changes in the speaking style of the persons subjected to the noise, known as the Lombard reﬂex [24] In these experiments, noise is added to the ... Chartered Engineer status in 1988 In 1986, he joined the University of East Anglia as a Senior Research Fellow Over the last fourteen years, Ariyaeeinia has been working in the Faculty of Engineering ... focused on the emerging need of vocal biometric user authentication over the Internet More precisely, it has presented the constraints tied with the use of the Internet transmission channel, at the...

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Báo cáo y học: "Indoleamine 2,3-dioxygenase-expressing dendritic cells are involved in the generation of CD4+CD25+ regulatory T cells in Peyer''''s patches in an orally tolerized, collagen-induced arthritis mouse model" ppt

Ngày tải lên : 09/08/2014, 10:22

... associated with induction of T-cell tolerance and immune inhibition in the induction of oral tolerance in the murine CIA model We examined the change in the expression of IDO in CD11c+ DCs of Peyer's ... CD4+CD25- T cells (1 × 105 cells) obtained from Peyer's patch cells of tolerized mice in the presence or absence of CII To measure the amount of intracellular Foxp3 in CD4+CD25+ T cells, CD4+ T cells ... T cells induces the expression of IDO on DCs [40] Considering these findings, we next sought to determine whether IDO+ DCs increase the proportion of antigen-specific CD4+CD25+ regulatory T cells...

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Báo cáo y học: "Defining the chromatin signature of inducible genes in T cells" pps

Ngày tải lên : 09/08/2014, 20:20

... expression profiling) The bar marks the median score, the edges of the boxes the second and third interquartile ranges and the whiskers the first and fourth interquartile ranges (b) The percentage of promoters ... to the original GCOS/ MAS5 normalization used in the original paper The gene coordinates for the human orthologs of the mouse genes were obtained using BIOMART R was used to count the number of ... promoter and the transcribed regions of the genes In non-stimulated cells, the level of H3K36me3 was higher in the transcribed regions than at the promoter for all genes examined, implying, in agreement...

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Báo cáo khoa học:" A role for the JAK-STAT1 pathway in blocking replication of HSV-1 in dendritic cells and macrophages" docx

Ngày tải lên : 12/08/2014, 04:21

... or 10 PFU/cell of WT HSV-1 strain McKrae Control RS cells were similarly infected with HSV-1 McKrae The kinetics of virus replication were quantitated by determining the amount of infectious virus ... moderately infected with HSV-1, resulting in productive infection [23] Bone marrow-derived macrophages are also resistant to HSV-1 infection [24-28] The factors involved in the resistance of DCs ... STAT+/+ 129SVE mice grown in GM-CSF containing media were infected with 10 PFU/cell of McKrae At the indicated times post infection the cells were harvested and reacted with Annexin-V or 7-ADD dye to...

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Báo cáo khoa học: " A role for the JAK-STAT1 pathway in blocking replication of HSV-1 in dendritic cells and macrophages" pps

Ngày tải lên : 12/08/2014, 04:21

... or 10 PFU/cell of WT HSV-1 strain McKrae Control RS cells were similarly infected with HSV-1 McKrae The kinetics of virus replication were quantitated by determining the amount of infectious virus ... moderately infected with HSV-1, resulting in productive infection [23] Bone marrow-derived macrophages are also resistant to HSV-1 infection [24-28] The factors involved in the resistance of DCs ... STAT+/+ 129SVE mice grown in GM-CSF containing media were infected with 10 PFU/cell of McKrae At the indicated times post infection the cells were harvested and reacted with Annexin-V or 7-ADD dye to...

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Báo cáo y học: "Modeling the effect of levothyroxine therapy on bone mass density in postmenopausal women: a different approach leads to new inference" pot

Ngày tải lên : 13/08/2014, 16:21

... LT4 therapy It is desired to find the value of BMD as a function of the duration and the dose of LT4 therapy Any remaining factor can be regarded as a special case of a variable with unchanging ... Burrin JM, Noonan K, James I, Wood DF, Price CP, Monson JP: A longitudinal study of markers of bone turnover in graves ' disease and their value in predicting bone mineral density J Clin Endocrinol ... are the mean ± SD P < 0.05 vs baseline reading (With permission of Kung AW, Yeung SS Prevention of bone loss induced by thyroxine suppressive therapy in postmenopausal women: the effect of calcium...

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