fixation photosynthesis and carbon dioxide assimilation

Báo cáo y học: "Post-translational aging of proteins in osteoarthritic cartilage and synovial fluid as measured by isomerized aspartate" pot

Báo cáo y học: "Post-translational aging of proteins in osteoarthritic cartilage and synovial fluid as measured by isomerized aspartate" pot

... manuscript, and the statistical analysis MB and RDZ coordinated and organized the primary sample collection and critically evaluated both the study design and the manuscript VBK conceived and designed ... superficial and deep regions All specimens were processed and frozen at -80°C within hours of surgery Synovial fluid was centrifuged (8°C, 3,500 g, minutes), and the supernatant was aliquoted and frozen ... normality, linearity, and homoscedasticity essential to methods of linear regression modeling, we logarithmically transformed IsoAsp, GAG, and protein values and used the D'Agostino and Pearson omnibus...

Ngày tải lên: 09/08/2014, 14:20

9 263 0
Post translational regulation of the human TRIP br1 cell cycle protein

Post translational regulation of the human TRIP br1 cell cycle protein

... The functions and activities of E2F and DP proteins, represented by E2F1 and DP1 here, have been extensively reported and reviewed [29-35] The E2F/DP complexes were identified and later defined ... E2F3b, E2F4, E2F5, E2F6, E2F7a and E2F7b) and two DP genes (encoding DP1 and DP2) [37-39] E2F and DP proteins, generally, possess highly conserved DNA-binding domains and dimerization domains (Figure ... 2.3.3 Ubiquitination and sumoylation 34 Materials and Methods Materials 3.1 39 3.2 Plasmid DNA and cDNA clones 39 3.3 Cell lines Biochemical reagents 40 Methods 4.1 Transformation and maintenance...

Ngày tải lên: 14/09/2015, 13:56

142 350 0
Tài liệu Báo cáo khoa học: Complex transcriptional and translational regulation of iPLA2c resulting in multiple gene products containing dual competing sites for mitochondrial or peroxisomal localization docx

Tài liệu Báo cáo khoa học: Complex transcriptional and translational regulation of iPLA2c resulting in multiple gene products containing dual competing sites for mitochondrial or peroxisomal localization docx

... at 50 °C and 10 at 95 °C, followed by a total of 40 twotemperature cycles (15 s at 95 °C and at 60 °C) For the generation of standard curves, serial dilutions of a cDNA sample were used and mRNA ... against iPLA2c and visualization of immunoreactive bands by ECL Expressed recombinant polypeptides are designated according to their expected masses Lanes and 5, 88 kDa iPLA2c; lanes and 6, 74 kDa ... producing 88, 77, 74 and 63 kDa protein products Products corresponding to the 77 and 74 kDa products were the major immunoreactive bands Additional lower molecular mass immunoreactive bands were also...

Ngày tải lên: 19/02/2014, 16:20

16 438 0
Tài liệu Báo cáo khoa học: Post-translational cleavage of recombinantly expressed nitrilase from Rhodococcus rhodochrous J1 yields a stable, active helical form ppt

Tài liệu Báo cáo khoa học: Post-translational cleavage of recombinantly expressed nitrilase from Rhodococcus rhodochrous J1 yields a stable, active helical form ppt

... extracted in 160 · 160 pixel boxes and later binned by a factor of two Raw images ( 11 000) were band-pass filtered (20 to 1.5 nm) and masked and then iteratively aligned and classified using routines ... distinct band of subunit atomic mass 36.5 (± 0.6) kDa The two columns used in (A) and (C) have very similar separation characteristics The elution profiles have been scaled so that the 80 and 480 ... generated by iterative alignment, sorting and classification of isolated particle images (C, D) Putative top and side views of ‘c’-shaped class members and the corresponding class average are shown...

Ngày tải lên: 19/02/2014, 00:20

10 451 0
Báo cáo Y học: Regulation of RAS in human platelets Evidence that activation of RAS is not sufficient to lead to ERK1-2 phosphorylation pot

Báo cáo Y học: Regulation of RAS in human platelets Evidence that activation of RAS is not sufficient to lead to ERK1-2 phosphorylation pot

... can bind MEK and ERK1 supporting ERK1 activation [26], and kinase suppressor of RAS can bind RAF, MEK and ERK favouring activation of MEK and ERK1-2 through RAS [27] On the other hand, the RAS–ERK ... RAS activation which was detectable between 60 and 120 s and maximal at 240 s (Fig 2B, D and F) These results indicate that thrombin, convulxin and TPO induce RAS activation, but with different ... fraction and secondary responses, aggregation mediated by the integrin GPIIb-IIIa was inhibited by EGTA and the activation mediated by thromboxane A2 and ADP were blocked by indomethacin and apyrase,...

Ngày tải lên: 08/03/2014, 16:20

7 437 0
Báo cáo khoa học: Factor-inhibiting hypoxia-inducible factor (FIH) catalyses the post-translational hydroxylation of histidinyl residues within ankyrin repeat domains pot

Báo cáo khoa học: Factor-inhibiting hypoxia-inducible factor (FIH) catalyses the post-translational hydroxylation of histidinyl residues within ankyrin repeat domains pot

... tankyrase2 and FIH into 293T cells, immunopurified the material by FLAG affinity and subjected it to trypsinolysis and MS ⁄ MS analysis Peptides containing both His residues were observed, and MS ⁄ ... 3P3N) and FIHÆHIF1aCAD 788–826 (PDB ID: 1H2K) complexes (B) and (C) also illustrate the differences in side-chain conformation for Gln 239FIH and Tyr 103FIH between the FIHÆTNKS2 538–558 and FIHÆmNotch1 ... effect on the peptide chromatographic properties and the hydroxylated and nonhydroxylated peptides coeluted (data not shown) The exact masses and retention times of the His-containing peptides...

Ngày tải lên: 28/03/2014, 23:20

12 198 0
Báo cáo sinh học: "Regulation of metabolism in Caenorhabditis elegans longevity" ppsx

Báo cáo sinh học: "Regulation of metabolism in Caenorhabditis elegans longevity" ppsx

... - and to regulate transcription and protein biogenesis and degradation accordingly TOR exists in two highly conserved protein complexes: TORC1, which regulates cell growth, protein synthesis and ... function, and the insulin and TOR pathways in C. elegans longevity Black lines indicate the activating or repressive function of members of different signal transduction pathways Amino-acid pools and ... of the TOR pathway and animals carrying a mutation in this gene also live longer; and ife-2 mutants accumulate pools of amino acids that are known to induce protein biogenesis and inhibit protein...

Ngày tải lên: 06/08/2014, 19:21

3 389 0
Báo cáo y học: "Expression and regulation of CCL18 in synovial fluid neutrophils of patients with rheumatoid arthritis" potx

Báo cáo y học: "Expression and regulation of CCL18 in synovial fluid neutrophils of patients with rheumatoid arthritis" potx

... A, Vaslin B, Le Grand R, Brew BJ, Dormont D: Expression of chemokines and their receptors in human and simian astrocytes: evidence for a central role of TNFα and IFNγ in CXCR4 and CCR5 modulation ... arthritis (RA) patients nos 1, 2, and and from blood PMN from healthy donor no was amplified by semiquantitative RT-PCR with primers for CCL18, CXCL10 and actin and subjected to agarose gel electrophoresis ... SF PMN from RA patients nos 1, 2, and and from blood PMN from healthy donor no was amplified by semiquantitative RT-PCR with primers for CCRL2, CXCR4 and actin and subjected to agarose gel electrophoresis...

Ngày tải lên: 09/08/2014, 10:21

12 394 0
Báo cáo y học: "Expression and regulation of neurotrophins in the nondegenerate and degenerate human intervertebral disc" pdf

Báo cáo y học: "Expression and regulation of neurotrophins in the nondegenerate and degenerate human intervertebral disc" pdf

... BDNF, neurotrophin and neurotrophin 4/5 Both NGF and BDNF have been identified in non-neural cells of healthy and diseased connective tissue such as human cartilage and bone, and, interestingly, ... glutamine and 50 μg/ml ascorbate (NP 10% v/v serum-supplemented media) Cells were incubated at 37°C, 5% carbon dioxide and were fed with media every to days Nucleus pulposus cell culture and treatment ... untreated and treated NP cell samples and also between non-degenerate and degenerate NP cell samples P < 0.05 was considered significant Results NGF and BDNF protein expression in the nondegenerate and...

Ngày tải lên: 09/08/2014, 11:20

9 436 0
Cyclic nucleotides and mitogen-activated protein kinases: regulation of simvastatin in platelet activation pptx

Cyclic nucleotides and mitogen-activated protein kinases: regulation of simvastatin in platelet activation pptx

... and JNKs (p46 JNK1 and p54 JNK2) are more responsive to stress, and appear to be involved in apoptosis [20] ERKs, JNKs, and p38 MAPK have been identified in platelets [20] The roles of JNKs and ... statistical analysis JRS conceived of the study, and participated in the design and coordination, and collectively prepared the manuscript All authors read and approved the final manuscript Page of ... preceding weeks, and was mixed with acid/citrate/glucose (9:1:1, v/v) After centrifugation, the supernatant (platelet-rich plasma; PRP) was supplemented with prostaglandin E1 (PGE1) (0.5 μM) and heparin...

Ngày tải lên: 10/08/2014, 05:21

10 315 0
Báo cáo y học: "Stanniocalcin-1 promotes tumor angiogenesis through up-regulation of VEGF in gastric cancer cells" ppt

Báo cáo y học: "Stanniocalcin-1 promotes tumor angiogenesis through up-regulation of VEGF in gastric cancer cells" ppt

... determined by ELISA (F) CGP53353 and PD98059 could inhibit PKC bIIand ERK activation, respectively Cells and cell culture Human gastric adenocarcinoma cell line BGC823 and Human umbilical vein endothelial ... angiogenesis depended on PKCbII and ERK1/2 signaling pathway Results STC-1 promotes tumor proliferation and angiogenesis in vivo We successfully constructed BGC/STC cell and BGC/ shSTC cell line SiRNA#2, ... plasmids STC-1 expressions in BGC823 and transfected BGC823 cells (BGC/CON cell, BGC/STC cell, BGC/shCON cell and BGC/shSTC cell) were confirmed in both mRNA and protein (Additional file 1, Figure...

Ngày tải lên: 10/08/2014, 05:21

9 404 0
Báo cáo y học: " Post-translational modifications of histones H3 and H4 associated with the histone methyltransferases Suv39h1 and G9a" pdf

Báo cáo y học: " Post-translational modifications of histones H3 and H4 associated with the histone methyltransferases Suv39h1 and G9a" pdf

... H3K9 H4K20me3 and H3K27me3 not seem to change in HeLaSuv39h1 compared to HeLa cells And, generally, H3K27 and H4K20 methyl modifications are present to the same extent in HeLa and in HeLa-G9a ... between Suv39h1 and the HMTs responsible for H4K20 and H3K27 methylation, namely Suv4-20h and the Polycomb protein Ezh2, respectively Indeed, a physical association between Suv39h1 and PcG proteins ... suppressor of variegation 39h1 Authors' contributions RP and AS initiated and designed this study RP performed crude histone and complex purifications and did all the inhouse mass spectrometry analysis...

Ngày tải lên: 14/08/2014, 08:20

10 336 0
Báo cáo y học: "Global nucleosome distribution and the regulation of transcription in yeas" doc

Báo cáo y học: "Global nucleosome distribution and the regulation of transcription in yeas" doc

... that a number of transcription activators and repressors will bind to their sites and influence the nucleosome occupancy of that region Moreover, remodeling and displacement of nucleosomes often ... chromatin suggests that the chromatin is organized differently between coding and noncoding regions of the genome, and the heterogeneous distribution of nucleosomes may be part of this organization ... inversely proportional to their transcription rate In order to understand further the relationship between nucleosome occupancy and the transcriptional status of a gene, Lee et al [8] analyzed nucleosome...

Ngày tải lên: 14/08/2014, 14:21

3 253 0
Báo cáo y học: "Translational regulation of gene expression" docx

Báo cáo y học: "Translational regulation of gene expression" docx

... Volume 5, Issue 12, Article 359 Kervestin and Amrani IRES was shown to form specific contacts with the components of the ribosomal A, P and E sites and to induce conformational changes in the ... regulatory proteins and RNA structures Regulation of mRNA utilization by cis elements and trans-acting factors The expression of many proteins is influenced by the structure and cellular localization ... http://genomebiology.com/2004/5/12/359 cap-independent translation occurs, and that this mechanism is distinct from IRES-driven activity and requires both the 5Ј and 3Ј UTRs This shows for the first time that translation...

Ngày tải lên: 14/08/2014, 14:21

3 237 1
REGULATION OF CHEMICALS IN EUROPE – REACH

REGULATION OF CHEMICALS IN EUROPE – REACH

... comprehensive risk assessment DGSANCO HEALTH AND CONSUMER PROTECTION SCIENTIFIC COMMITTEES: CONSUMER PRODUCTS (SCCP) HUMAN AND ENVIRONMENTAL RISK (SCHER) EMERGING AND NEWLY IDENTIFIED HEALTH RISKS (SCENIR) ... 30 AUTHORISATION Required for compounds of high concern CMR category and PBT (persistent, bioaccumulative and toxic) vPvB (and classified as R50-R53) Scientific evidence – case-by-case basis ECHA ... for >1000 t, and for compounds with carcinogenic, mutagenic properties and those toxic for reproduction (CMR compounds) Deadline years for 100-1000 t Deadline 11 years for 10-100 t and 1-10 t 32...

Ngày tải lên: 16/04/2015, 09:05

39 234 0
Understanding the regulation of cytokinesis in fission yeast

Understanding the regulation of cytokinesis in fission yeast

... primers MOH2187 and MOH2188, and plasmid pCDL956 as template The amplified DNA fragment contained kanR cassette and nmt1 promoter, and was flanked by 80bp of the 5’UTR of nuc2 at the 5’end and 80bp ... of the study 31 iv CHAPTER 2: Materials and methods 32 2.1 S pombe strains, media, and reagents 32 2.2 Molecular methods and yeast methods 36 2.2.1 Standard recombinant DNA techniques 36 2.2.2 ... growth and division in an 80 F-actin- and microtubule-independent manner Figure 4.4 pal1∆ cell has defects in cell morphology and cell wall 83 Figure 4.5 pal1∆ cell has abnormally thick cell wall and...

Ngày tải lên: 11/09/2015, 09:06

165 98 0
Role and regulation of juxtanodin in actin cytoskeleton of oligodendrocyte

Role and regulation of juxtanodin in actin cytoskeleton of oligodendrocyte

... groups: α- β- and γ-actins The isoforms are present in cell-type and tissue specific manner Four isoforms of α-actin are predominantly expressed in muscle cells and the less acidic β- and γ-actin ... non-muscle cells (Vandekerckhove et al., 1978; Sheterline et al., 1995 and Qualmann and Kessels, 2002) Actin isoforms exhibit only small variations in amino acid sequence and have similar biochemical ... end’ (Fig 1.1C) For the actin monomer, subdomains and form the barbed end and subdomains and form the pointed end (Sheterline et al., 1995; Qualmann and Kessels, 2002) Over thirty years ago it was...

Ngày tải lên: 11/09/2015, 10:18

166 227 0
Regulation of cytokinesis in the fission yeast schizosaccharomyces pombe

Regulation of cytokinesis in the fission yeast schizosaccharomyces pombe

... attention during these instructive early studies Marshland and Landau (Marsland and Landau 1954) when studying the effects of temperature and pressure on the cleavage of eggs of various animals ... directly in a cleaving sand dollar egg (Rappaport 1967) Two micro-needles one rigid and the other flexible and calibrated, were inserted in a dividing sand dollar egg and the force in the range ... (or the spindles depending on the cell type) and the cleavage furrow is formed by a direct response in the stimulated equatorial region (Marsland and Landau 1954; Rappaport 1961; Rappaport 1967)...

Ngày tải lên: 14/09/2015, 14:18

198 156 0
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