cellular promoters of bone formation and degradation

Báo cáo khoa học: Human anionic trypsinogen Properties of autocatalytic activation and degradation and implications in pancreatic diseases potx

Báo cáo khoa học: Human anionic trypsinogen Properties of autocatalytic activation and degradation and implications in pancreatic diseases potx

... Activation and degradation characteristics of this recombinant preparation was documented and compared to those of cationic trypsinogen Furthermore, interactions between the two isoforms were studied and ... activity was expressed as percentage of the initial activity measured at the beginning of the incubation SDS/PAGE analysis of trypsinogens Autoactivation and degradation of trypsinogens was also visualized ... saved as TIFF files Quantitation of gel bands was carried out with the IMAGEQUANT 5.2 (Molecular Dynamics) software Rectangles were drawn around each band of interest, and an identical rectangle was...

Ngày tải lên: 17/03/2014, 03:20

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Báo cáo khoa học: Functions and cellular localization of cysteine desulfurase and selenocysteine lyase in Trypanosoma brucei pot

Báo cáo khoa học: Functions and cellular localization of cysteine desulfurase and selenocysteine lyase in Trypanosoma brucei pot

... of the Czech Republic 204 ⁄ 09 ⁄ 1667, the Ministry of Education of the Czech Republic (LC07032 and 2B06129 and 6007665801) and the Praemium Academiae award to JL and by National Institutes of ... tetracycline and used for immunodetection of the HA3-tagged protein Northern and western blots Detection of Nfs-like mRNA isolated from the noninduced cells and cells 2, and days of RNAi induction ... rRNA bands (C) Effect of SCL RNAi on cell growth, compared with 29-13 and noninduced cells The numbers of 29-13 cells (diamonds), noninduced cells (triangles) and those induced by the addition of...

Ngày tải lên: 22/03/2014, 21:20

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báo cáo hóa học:" Transcriptional regulation of bone formation by the osteoblast-specific transcription factor Osx Chi Zhang" pptx

báo cáo hóa học:" Transcriptional regulation of bone formation by the osteoblast-specific transcription factor Osx Chi Zhang" pptx

... temporal and spatial regulation of Osx for bone formation and homeostatic regulation of skeletal system The need to develop novel drugs that stimulate bone formation and thereby elevate bone mass ... delayed bone formation during embryonic development and low bone mass throughout postnatal life critical regulator of OB differentiation and function SatB2 both craniofacial abnormalities and defects ... perichondrium, and mesenchymal condensations of future membranous bones of E13.5 embryos After E15.5, Osx is strongly expressed in cells that are associated with all bone trabeculae and bone collar formation...

Ngày tải lên: 20/06/2014, 04:20

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báo cáo hóa học:" Risk factor analysis for early femoral failure in metal-on-metal hip resurfacing arthroplasty: the effect of bone density and body mass index" potx

báo cáo hóa học:" Risk factor analysis for early femoral failure in metal-on-metal hip resurfacing arthroplasty: the effect of bone density and body mass index" potx

... method of measuring bone density The T-score relates bone density to young, healthy, race and gender-matched bone It is easily obtained and provides an objective quantitative number The T-score and ... model and the explanatory variables of Tscore and body mass index demonstrated that the femoral failure rate could be as high as 87% if a patient has a T-score of -2.4 and a body mass index of 43 ... T-score of 2.3 and a body mass index of 28 kg/m2, which was revised to a THA at two months post-operatively; the other case was in a female patient with a T-score of -2.1 and body mass index of 28...

Ngày tải lên: 20/06/2014, 07:20

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from dust to stars studies of the formation and early evolution of stars

from dust to stars studies of the formation and early evolution of stars

... 7.3 × 109 M/M yr L/L (2.2) 2.2 The Quest to Understand the Formation of Stars 21 where M and and L are the mass and luminosity of the Sun and M and L the same for the star [858] Clearly, this development ... exemplary missions, SOFIA as the successor of the airborne Kuiper Observatory of the 1980s and early 1990s, JWST as the successor of Hubble, and the space probes Herschel and GAIA SOFIA and Herschel ... including the Physics of Star Formation in Galaxies by F Palla and H Zinnecker, published in 2002, and the Star Formation and Techniques in IR and mm-Wave Astronomy, by T Ray and S V W Beckwith,...

Ngày tải lên: 03/07/2014, 21:09

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Báo cáo y học: "Statins as modulators of bone formation" pot

Báo cáo y học: "Statins as modulators of bone formation" pot

... statin use and risk of fracture The first of these had the benefit of being a randomised trial and looked retrospectively at the frequency of fractures occurring in a large group of patients ... effects on bone turnover, density, and risk of fracture in prospective trials However, this may be missing the point The unfolding story of the effects of statins on bone, inflammation, and the ... conceivably increase bone formation Statins produce increased proliferation and differentiation of progenitors of endothelial cells [18] In addition, atorvastatin increased the numbers of circulating...

Ngày tải lên: 09/08/2014, 03:24

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Báo cáo y học: "Biochemical markers of bone turnover and their association with bone marrow lesions" docx

Báo cáo y học: "Biochemical markers of bone turnover and their association with bone marrow lesions" docx

... knees On bone histology, areas of bone affected by BMLs exhibit reversal lines indicative of bone remodeling [10] Small areas of bone necrosis are also present, as is scar The extensive bone remodeling ... analyses Bone biomarkers Biochemical markers of bone turnover were assayed in archived serum and urine stored at -70°C We measured two serum bone formation markers: osteocalcin and bone- specific ... Crutchfield M, Jannausch ML: The associations of bone mineral density and bone turnover markers with osteoarthritis of the hand and knee in pre- and perimenopausal women Arthritis Rheum 1999,...

Ngày tải lên: 09/08/2014, 13:21

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Báo cáo y học: "Markers of collagen synthesis and degradation are increased in serum in severe sepsis: a longitudinal study of 44 patients" pdf

Báo cáo y học: "Markers of collagen synthesis and degradation are increased in serum in severe sepsis: a longitudinal study of 44 patients" pdf

... on the maximum PINP and PIIINP and maximum lactate level (P < 0.001 for both PINP and PIIINP) and PINP and PIIINP and liver and kidney-specific SOFA scores ROC curve analysis of maximum PIIINP ... PINP and ICTP values of the septic patients and controls on day one were compared In addition, the maximum PIIINP, PINP and ICTP values of the surgical and medical, survivors and non-survivors, and ... basis as an organ specific SOFA score of one to two and organ failure as a SOFA score of three to four A patient was defined to have MOF if the daily SOFA scores of two or more organ systems...

Ngày tải lên: 13/08/2014, 16:20

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Investigation of miRNAs enrichment and degradation in bovine granulosa cells during follicular development

Investigation of miRNAs enrichment and degradation in bovine granulosa cells during follicular development

... expression pattern of candidate miRNAs in granulosa cells of SF and DF at day of the estrous cycle (B) The expression pattern of candidate miRNAs in granulosa cells of SF and DF at day of the estrous ... follicles at day and day of estrous cycle 86 Table 4.10 Novel candidate miRNAs detected in granulosa cells of SF or /and DF at day or /and day of the estrous cycle 89 List of figures Figure ... total of 21 novel miRNAs were identified and detected in granulosa cells of SF and/ or DF at day and day of the estrous cycle The majority of the DE miRNAs were found to be involved in regulation of...

Ngày tải lên: 25/11/2015, 15:17

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Báo cáo y học: "Serum levels of biomarkers of bone and cartilage destruction and new bone formation in different cohorts of patients with axial spondyloarthritis with and without tumor necrosis factor-alpha blocker treatment" ppt

Báo cáo y học: "Serum levels of biomarkers of bone and cartilage destruction and new bone formation in different cohorts of patients with axial spondyloarthritis with and without tumor necrosis factor-alpha blocker treatment" ppt

... seen [8] The analysis of serum biomarkers reflecting inflammation, bone destruction, and new bone formation could be helpful for a better understanding of the sequence of events in the spine ... Smith DL, Wastney ME: Quantification of biochemical markers of bone turnover by kinetic measures of bone formation and resorption in young healthy females J Bone Miner Res 1997, 12:1714-1720 Rudwaleit ... induction of new bone formation [30] MMP-3 was recently suggested as an independent predictor of new bone formation [19] Such a high level of MMP3 at baseline is suggestive of structural damage...

Ngày tải lên: 09/08/2014, 13:22

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Cellular and molecular control of skeleton formation in fish  insights from osteoblast ablation and functional characterization of lrp5 and SOst

Cellular and molecular control of skeleton formation in fish insights from osteoblast ablation and functional characterization of lrp5 and SOst

... (HN) B-D and I-K are higher magnification views of cleithrum boxed in A and H, respectively Operculum of a DMSO control (E-G) and Mtz treated larva (L-N) Note: Loss of CFP and absence of mineralization ... mesoderm (Cohn and Tickle, 1996) whereas the cranial neural crest is the origin of craniofacial bones such as skull and maxilla (Bronner-Fraser, 1994; Noden, 1991) Two mechanisms of bone development ... preceding bone mineralization (Renn and Winkler, 2009) osx transgenic expression was observed in advance of mineralization of the neural and hemal arches and at the edges but not the core of the...

Ngày tải lên: 10/09/2015, 08:43

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Báo cáo y học: " Treatment of oroantral fistula with autologous bone graft and application of a non-reabsorbable membrane"

Báo cáo y học: " Treatment of oroantral fistula with autologous bone graft and application of a non-reabsorbable membrane"

... lesion with bone drills and by harvesting a squared wedge bone on the alveolar ridge, in order to avoid the persistence of fibrotic tissue and to permit an adequate bleeding An autologous bone graft ... makes use of autogenous bone grafts harvested from the iliac crest for the closure of the defects has been used 12 This method causes matting of the mucosae and Schneiderian membrane and makes ... sinus over the involved tooth and the localized swelling and thickening of the sinus mucosa; only close the root of 2.7 a periapical lesion was present; radiopacity of different degrees was evident...

Ngày tải lên: 25/10/2012, 11:48

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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

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

... Experimental animals and drug administration This study was conducted with the consent of the Committee on the Use of Live Animals in Teaching and Research of the University of Hong Kong Male ICR ... on day 0, 4, 7, 11 and 14 to monitor the toxicity of CY on bone marrow by measuring WBC number in the peripheral blood Twenty microliters of blood was mixed with 380μl of Randolph’s solution ... administration of CY resulted in a significant drop in WBC number on day and 11 (80% and 88% respectively) in mice Recovery of WBC count started on day and day 11 in all treatment groups and returned...

Ngày tải lên: 02/11/2012, 10:19

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Tài liệu Báo cáo khoa học: Proteomic analysis of dopamine and a-synuclein interplay in a cellular model of Parkinson’s disease pathogenesis docx

Tài liệu Báo cáo khoa học: Proteomic analysis of dopamine and a-synuclein interplay in a cellular model of Parkinson’s disease pathogenesis docx

... apoptosis and induces the synthesis of antioxidants [22] Alterations in mitochondrial proteins, on the other hand, are specifically linked to one of the major pathogenetic mechanisms of PD [5] Worthy of ... spots were manually excised and destained (1 · 10 50 lL of K3[Fe(CN)6] 30 mm and Na2S2O3 100 mm; · 10 100 lL of deionized water; · 20 100 lL of NH4HCO3 200 mm; · 20 100 lL of deionized water), dehydrated ... each sample and data were processed using CellQuest software (Becton-Dickinson) Fluorescent emission of propidium iodide and Annexin V-FITC were collected through a 575 and a 530 ⁄ 30 bandpass filter,...

Ngày tải lên: 15/02/2014, 01:20

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Tài liệu Báo cáo khoa học: The ubiquitin ligase Itch mediates the antiapoptotic activity of epidermal growth factor by promoting the ubiquitylation and degradation of the truncated C-terminal portion of Bid ppt

Tài liệu Báo cáo khoa học: The ubiquitin ligase Itch mediates the antiapoptotic activity of epidermal growth factor by promoting the ubiquitylation and degradation of the truncated C-terminal portion of Bid ppt

... activation and antiapoptotic reaction through the downregulation of tBid by Itch and proteasomal degradation They also provide a more detailed mechanism towards the possible means of action of popular ... between EGF-induced reduction in Bid and tBid levels and the ubiquitin ligase activity of Itch In this study, we first examined the ability of Itch to interact with Bid and tBid We found that Itch specifically ... Itch promotes tBid degradation Fig tBid, the active, apoptotic form of Bid, interacts with the ubiquitin ligase Itch, which leads to its degradation and proteasomedependent degradation (A) HEK-293T...

Ngày tải lên: 16/02/2014, 09:20

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Tài liệu Báo cáo khoa học: Different mechanisms for cellular internalization of the HIV-1 Tat-derived cell penetrating peptide and recombinant proteins fused to Tat docx

Tài liệu Báo cáo khoa học: Different mechanisms for cellular internalization of the HIV-1 Tat-derived cell penetrating peptide and recombinant proteins fused to Tat docx

... translocation of the full-length Tat protein and cellular uptake of its basic domain make use of the same mechanism Both genetic and biological evidence indicates that the cellular uptake of the Tat ... and analyzed by FACS RESULTS Uptake and cellular localization of ¯uorescently labeled Tat peptides Cellular uptake of the full-length Tat protein fused to GFP and/ or GST involves an interaction ... easier handling of the cells, treatment was performed on HeLa cells instead of CHO K1 cells Cells were then incubated with of lgámL)1 Tat±GFP fusion protein or with lM ¯uorescein Tat peptide and...

Ngày tải lên: 21/02/2014, 03:20

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Báo cáo khoa học: Amyloid oligomers: formation and toxicity of Ab oligomers ppt

Báo cáo khoa học: Amyloid oligomers: formation and toxicity of Ab oligomers ppt

... agents of AD; however, the biological and structural characteristics of Ab oligomers and their formation mechanism remain unclear Structure and size of soluble Ab oligomers Many types of natural and ... complexity of the oligomer formation mechanism The mechanisms of formation may also differ for extracellular and intracellular oligomers In this section, we discuss possible formation mechanisms of extracellular ... oligomers M Sakono and T Zako Fig Formation and toxicity mechanisms of intracellular Ab oligomers Ab can be localized intracellularly by the uptake of extracellular Ab or by the cleavage of APP in endosomes...

Ngày tải lên: 06/03/2014, 09:22

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Báo cáo khoa học: Analysis of Lsm1p and Lsm8p domains in the cellular localization of Lsm complexes in budding yeast ppt

Báo cáo khoa học: Analysis of Lsm1p and Lsm8p domains in the cellular localization of Lsm complexes in budding yeast ppt

... mutational analysis of Lsm1p showing the importance of residues proposed to be involved in RNA binding and complex formation, and of the C-terminal region for the func- Lsm1 and -8 domains involved ... features of Lsm1 and Lsm8 polypeptides (A) Alignment of Lsm1p and Lsm8p using CLUSTAL W [48] (B) 2D structure predictions for Lsm1p and Lsm8p using 3D-PSSM [32] Arrowheads indicate sites of N- and ... absence of both N- and C-terminal extensions, the Sm domains of Lsm1p and Lsm8p not have distinct subcellular localizations The potential for P-body localization and nuclear accumulation of LsmDN1DCp...

Ngày tải lên: 07/03/2014, 02:20

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Báo cáo khoa học: Replacement of two invariant serine residues in chorismate synthase provides evidence that a proton relay system is essential for intermediate formation and catalytic activity docx

Báo cáo khoa học: Replacement of two invariant serine residues in chorismate synthase provides evidence that a proton relay system is essential for intermediate formation and catalytic activity docx

... presence of oxidized FMN and 5-enolpyruvylshikimate 3-phosphate (EPSP) provided the first insight into the binding and relative orientation of the cofactor and of the substrate in the active site of ... Multiple sequence alignments of chorismate synthases from bacterial, fungal, plant and protozoan origin, of the crystal structure of the enzyme with bound EPSP and of the flavin cofactor, revealed two ... binding and relative orientation of the cofactor and the substrate in the active site of the enzyme [10] A structure of the catalytically active ternary complex among enzyme, substrate and reduced...

Ngày tải lên: 07/03/2014, 05:20

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Báo cáo khoa học: Peroxiredoxins as cellular guardians in Sulfolobus solfataricus – characterization of Bcp1, Bcp3 and Bcp4 pot

Báo cáo khoa học: Peroxiredoxins as cellular guardians in Sulfolobus solfataricus – characterization of Bcp1, Bcp3 and Bcp4 pot

... Da and a theoretical pI of 7.65; bcp3 encodes a putative protein of 149 amino acids with a predicted molecular mass of 16 976.42 Da and a theoretical pI of 8.84 Comparison of the sequences of ... measurement of the purple-colored ferrithiocyanate complex developed after the addition of 0.2 mL of 10 mm Fe(NH4)2(SO4)2 and 0.1 mL of 2.5 m KSCN, using H2O2 as a standard The amount of the ferrithiocyanate ... investigations of the genomic sequence databases of S solfataricus led to the identification of two putative Trxs (i.e TrxA1 and TrxA2; SSO0368 and SSO2232, respectively) Unlike SSO0192, which is part of...

Ngày tải lên: 07/03/2014, 05:20

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