growth signaling and transcription factors responsible for bone development and growth

Báo cáo y học: "Could increased axial wall stress be responsible for the development of atheroma in the proximal segment of myocardial bridges?" pot

Báo cáo y học: "Could increased axial wall stress be responsible for the development of atheroma in the proximal segment of myocardial bridges?" pot

... pd, and the sum of the two forces pulling in downstream direction (F1 and F2, see Appendix) is greater than the sum of the two forces pulling in upstream direction (F3 and Ftissues) If flow and ... flows (forward), an axial force F appears, due to the unbalance between the axial force F1 + F2 pulling in downstream direction (see Fig 3b) and the axial force F3 + Ftissues opposing the force ... different authors Ge and co-workers performed intravascular ultrasound and pressure measurements in patients and came to the conclusion that bridges augment systolic pressure and wall shear stress...

Ngày tải lên: 13/08/2014, 16:21

11 420 0
Báo cáo khoa học: Regulation of Cyr61/CCN1 gene expression through RhoA GTPase and p38MAPK signaling pathways Role of CREB and AP-1 transcription factors doc

Báo cáo khoa học: Regulation of Cyr61/CCN1 gene expression through RhoA GTPase and p38MAPK signaling pathways Role of CREB and AP-1 transcription factors doc

... lM) for ERK1/2, SB-203580 (10 lM) for p38, SP-600125 (20 lM) for JNK, H-89 (1 lM) for PKA, toxin A (5 ngÆmL)1) for Rho GTPases, Y-27632 (10 lM) for RhoA kinase and latrunculin B (10 nM) for RhoA-mediated ... unequivocally transcriptional for Cyr61/CCN1 and possibly transcriptional and post-transcriptional, albeit to different extents, for CTGF/CCN2 The difference between Cyr61/ CCN1 and CTGF/CCN2 ... Cyr61/CCN1 promoter by the AP-1 and CREB transcription factors The AP-1 refers to the DNA binding activity specific for the palindromic sequence 5¢-TGAGTCAG-3¢ Transcription factors of the basic leucine...

Ngày tải lên: 08/03/2014, 08:20

14 415 0
unsicker - cell signaling and growth factors in development

unsicker - cell signaling and growth factors in development

... Transduction of Candidate Growth Factor Peptide Ligand Signals 792 Examples of Peptide Growth Factor Signaling Pathways 792 Growth Factors and Lung Development 792 Candidate Growth Factors in Lung Development ... Cell Signaling and Growth Factors in Development Edited by K Unsicker and K Krieglstein © 2006 WILEY-VCH Verlag GmbH & Co Part I Cell Signaling and Growth Factors in Development Cell Signaling and ... Compartmentalization of Gastric Glands 761 Hormones and Growth Factors 762 ECM and Integrins 763 Intestinal Cell Proliferation and Differentiation 765 Hormones and Growth Factors 765 ECM and Integrins 766 XIX...

Ngày tải lên: 03/04/2014, 12:05

1,1K 320 0
Báo cáo y học: "The NFI-Regulome Database: A tool for annotation and analysis of control regions of genes regulated by Nuclear Factor I transcription factors" pdf

Báo cáo y học: "The NFI-Regulome Database: A tool for annotation and analysis of control regions of genes regulated by Nuclear Factor I transcription factors" pdf

... used for holding user information Each group is responsible for acting as the data warehouse for a specific set of information The AuthorDB and ArticleDB grouping is used for holding information ... family of transcription factors The NFI family of transcription factors is essential for the development of multiple organ systems including brain, lung, muscle, hematopoietic cells, and teeth ... sites for site-specific transcription factors in the promoter and enhancer regions of genes To provide a focus for such a broad topic, we’ve considered only genes that contain binding sites for...

Ngày tải lên: 10/08/2014, 09:22

10 386 0
Báo cáo y học: "Science review: Redox and oxygen-sensitive transcription factors in the regulation of oxidant-mediated lung injury: κ role for nuclear factor-κ" pdf

Báo cáo y học: "Science review: Redox and oxygen-sensitive transcription factors in the regulation of oxidant-mediated lung injury: κ role for nuclear factor-κ" pdf

... research and oxidative stress The reason for this is that redox-sensitive transcription factors are often associated with the development and progression of many human disease states and inflammatory-related ... eukaryotic transcription factors that are involved in the control of a vast array of processes, such as immune and inflammatory responses, developmental processes, cellular growth and programmed ... the NF-κB signaling pathway therefore remains of particular interest, and selective modulation of this transcription factor may bear a typical therapeutic approach for the control and regulation...

Ngày tải lên: 12/08/2014, 19:21

10 373 0
Báo cáo y học: "Science review: Redox and oxygen-sensitive transcription factors in the regulation of oxidant-mediated lung injury: α role for hypoxia-inducible factor-1α" pptx

Báo cáo y học: "Science review: Redox and oxygen-sensitive transcription factors in the regulation of oxidant-mediated lung injury: α role for hypoxia-inducible factor-1α" pptx

... transcription factors in development and pathophysiology Cytokines Cell Mol Ther 2001, 7:1-14 Haddad JJ: Oxygen homeostasis, thiol equilibrium and redox regulation of signaling transcription factors ... higher levels of TNF-α and enhanced expression of NF-κB than those in normoxia; the predominant isoforms were RelA (p65) and c-Rel (p75) Increased mRNA bands for TNF-α, IL-1α and IL-1β were also ... NF-κB, which can interact with other transcription factors, and these interactions thereby lead to greater transcriptional selectivity Modification of transcription, and particularly of NF-κB, is likely...

Ngày tải lên: 12/08/2014, 19:21

8 319 0
Báo cáo y học: "Genome-wide identification of novel expression signatures reveal distinct patterns and prevalence of binding motifs for p53, nuclear factor-κB and other signal transcription factors in head and neck squamous cell carcinoma" docx

Báo cáo y học: "Genome-wide identification of novel expression signatures reveal distinct patterns and prevalence of binding motifs for p53, nuclear factor-κB and other signal transcription factors in head and neck squamous cell carcinoma" docx

... multiple transcription factors [55] These transcription factors are expected to be structured and coordinated tightly together, form a functional unit or so-called transcription factors module, and ... were 63% for NF-κB, 60% for AP-1, 100% for STAT3, and 76% for EGR1 Similarly, in cluster B, the prevalence of binding sites falling in orthologous promoters were 65% for NF-κB, 67% for p53 and AP-1, ... transducer and activator of transcription [STAT]-3, and early growth response [EGR]1) These transcription factors have been independently implicated as tumor suppressor or oncogenic transcription factors...

Ngày tải lên: 14/08/2014, 07:21

25 350 0
Tài liệu Investigation of Organic Chemicals Potentially Responsible for Mortality and Intersex in Fish of the North Fork of the Shenandoah River, Virginia, during Spring of 2007 ppt

Tài liệu Investigation of Organic Chemicals Potentially Responsible for Mortality and Intersex in Fish of the North Fork of the Shenandoah River, Virginia, during Spring of 2007 ppt

... sites on the North Fork of the Shenandoah River, Virginia Investigation of Organic Chemicals Potentially Responsible for Mortality and Intersex in Fish of the North Fork of the Shenandoah River, ... Virginia: 2008 For product and ordering information: World Wide Web: http://www.usgs.gov/pubprod Telephone: 1-888-ASK-USGS For more information on the USGS the Federal source for science about ... Werner, S.L., Furlong, E.T., and Holmes, J., 2008, Investigation of organic chemicals potentially responsible for mortality and intersex in fish of the North Fork of the Shenandoah River, Virginia,...

Ngày tải lên: 14/02/2014, 08:20

24 865 0
Tài liệu Báo cáo khoa học: Identification and characterization of the transcription factors involved in T-cell development, t-bet, stat6 and foxp3, within the zebrafish, Danio rerio docx

Tài liệu Báo cáo khoa học: Identification and characterization of the transcription factors involved in T-cell development, t-bet, stat6 and foxp3, within the zebrafish, Danio rerio docx

... Cloning and sequencing Initially, PCR was performed using the cDNA prepared above, with primers zfstat6-F1, zfstat6-R1, zfstat6-F2 and zfstat6-R2 for stat6, zftbet-F1 and zftbet-R1 for t-bet, and ... internal control for RT-PCR PCR conditions were as follows: one cycle of 94 °C for min, 32 cycles of 94 °C for 30 s, 54 °C for 30 s and 72 °C for 30 s, followed by one cycle of 72 °C for PCR products ... STAT protein DNA-binding domain and SH2 domain of stat6, and the zinc-finger domain, leucine-zipper domain and fork-head domain of foxp3 In addition, for stat6 and foxp3, there were a few other...

Ngày tải lên: 16/02/2014, 09:20

20 690 0
Tài liệu Báo cáo khoa học: Roles of AP-2 transcription factors in the regulation of cartilage and skeletal development doc

Tài liệu Báo cáo khoa học: Roles of AP-2 transcription factors in the regulation of cartilage and skeletal development doc

... mineralized bone [48] Many molecules and signaling cascades are necessary to regulate these molecular processes of chondrogenic and skeletal development, including transcription factors Essential transcription ... AP-2b and AP-2e in chondrogenesis and skeletal development In addition to Sox and Runx transcription factors, members of the AP-2 family also have important functions in chondrogenesis and development ... that AP-2 transcription factors can indirectly modulate genes by functional interactions with other transcription factors, e.g c-myc, rBP, and p53 [42–44] The formation of AP-2 homodimers and heterodimers...

Ngày tải lên: 16/02/2014, 09:20

9 642 0
Tài liệu Báo cáo khoa học: Myristoylation of the dual-specificity phosphatase c-JUN N-terminal kinase (JNK) stimulatory phosphatase 1 is necessary for its activation of JNK signaling and apoptosis pdf

Tài liệu Báo cáo khoa học: Myristoylation of the dual-specificity phosphatase c-JUN N-terminal kinase (JNK) stimulatory phosphatase 1 is necessary for its activation of JNK signaling and apoptosis pdf

... ErbB2-induced signaling pathways that trigger mammary tumorigenesis and metastasis [12,13], and the tyrosine phosphatase SHP-2 is necessary for activation of ERK in response to a number of growth factors, ... with endosomal and Golgi structures using specific markers (EEA1, TfnR for endosomes and GM130, TGN46 for Golgi) and found that JSP1-wt partially colocalized with the Golgi apparatus and showed minimal ... including insulin growth factor-1, platelet-derived growth factor and epidermal growth factor [14,15] Various protein phosphatases have been implicated in the regulation of MAPK signaling, including...

Ngày tải lên: 16/02/2014, 14:20

11 580 0
Tài liệu Báo cáo khoa học: Functional studies of active-site mutants from Drosophila melanogaster deoxyribonucleoside kinase Investigations of the putative catalytic glutamate–arginine pair and of residues responsible for substrate specificity docx

Tài liệu Báo cáo khoa học: Functional studies of active-site mutants from Drosophila melanogaster deoxyribonucleoside kinase Investigations of the putative catalytic glutamate–arginine pair and of residues responsible for substrate specificity docx

... identified and proposed as being responsible for substrate specificity [4], were mutagenized and the mutant enzymes characterized for their ability to phosphorylate native deoxyribonucleosides and nucleoside ... an almost 2000-fold decrease in the kcat value for dThd, and a 270-fold decrease for dCyd The Km value was increased sevenfold for dThd and 49-fold for dCyd The large decrease in kcat value indicates ... Km value for dThd and dCyd, of approximately 200- and 100-fold, respectively The kcat values were only decreased approximately twofold for both substrates Phosphorylation of nucleosides and nucleoside...

Ngày tải lên: 19/02/2014, 02:20

10 504 0
Tài liệu Báo cáo khoa học: Characterization of the promoter for the mouse a3 integrin gene Involvement of the Ets-family of transcription factors in the promoter activity doc

Tài liệu Báo cáo khoa học: Characterization of the promoter for the mouse a3 integrin gene Involvement of the Ets-family of transcription factors in the promoter activity doc

... closed and open triangles, respectively Bases are numbered with respect to the major starting site Potential binding sites for transcription factors are underlined and a consensus sequence for C/EBP ... critical for various biological processes including cellular proliferation, differentiation, development, transformation, and apoptosis [50] It has been reported that Ets transcription factors ... Most integrin a subunit genes lack both TATA and CCAAT boxes, except for the integrin a4 subunit gene which includes both TATA and CCAAT boxes and for the integrin a6 subunit gene which contains...

Ngày tải lên: 21/02/2014, 03:20

9 562 0
Báo cáo Y học: Identification and characterization of a new gene from Variovorax paradoxus Iso1 encoding N -acyl-D-amino acid amidohydrolase responsible for D-amino acid production pdf

Báo cáo Y học: Identification and characterization of a new gene from Variovorax paradoxus Iso1 encoding N -acyl-D-amino acid amidohydrolase responsible for D-amino acid production pdf

... environment and the gene for the enzyme was cloned and then sequenced The recombinant protein, N-D-AAase, was also produced in the Escherichia coli, purified and characterized MATERIALS AND METHODS ... sterile toothpick and incubated at 37 °C overnight The transformants were screened for enzyme activity by adding to each well 10 lL mgÆmL)1 lysozyme and incubating at 37 °C for 30 This was followed ... amino acids and thus perhaps improve enzyme stability and enzyme activity for industrial production ACKNOWLEDGEMENTS We thank Dr M.C Pan, and Dr K.D Lee, (National Taiwan University) for the preparation...

Ngày tải lên: 08/03/2014, 16:20

11 657 0
Báo cáo khoa học: The mouse Muc5b mucin gene is transcriptionally regulated by thyroid transcription factor-1 (TTF-1) and GATA-6 transcription factors pdf

Báo cáo khoa học: The mouse Muc5b mucin gene is transcriptionally regulated by thyroid transcription factor-1 (TTF-1) and GATA-6 transcription factors pdf

... (1995) Transcription factors and pattern formation in the developing lung Am J Physiol 269, L429–L442 Costa RH, Kalinichenko VV & Lim L (2001) Transcription factors in mouse lung development and ... primer, 2.5 mm MgCl2 and 5% dimethylsulfoxide using the following protocol: at 95 °C, followed by (95 °C for 15 s, 55 °C for 15 s, 72 °C for 15 s) for 34 cycles, and 72 °C for The 242-bp PCR products ... putative binding sites for transcription factors playing critical roles in the formation, differentiation and function of cells lining the respiratory tract, such as TTF-1 and GATA factors [13] Moreover,...

Ngày tải lên: 15/03/2014, 00:20

13 241 0
Báo cáo khoa học: A characteristic Glu17 residue of pig carnitine palmitoyltransferase 1 is responsible for the low Km for carnitine and the low sensitivity to malonyl-CoA inhibition of the enzyme docx

Báo cáo khoa học: A characteristic Glu17 residue of pig carnitine palmitoyltransferase 1 is responsible for the low Km for carnitine and the low sensitivity to malonyl-CoA inhibition of the enzyme docx

... (from to 15 lm for P50H, H50P, P128H, H128P, PigE17DCPT1B and HumanD17ECPT1B, and from to 500 lm for D18PigCPT1B and D28PigCPT1B) The assay was performed at mm carnitine as standard To analyze ... between pig and human (Asp17 for human and Glu17 for pig) might be responsible for the kinetic characteristics of both CPT1B enzymes Consequently, we generated two single mutant (pig E17D and human ... recombining pig and human CPT1B sequences before (H50P and P50H) and after (H128P and P128H) TM1 and TM2 respectively (Fig 2A) These chimeras had similar specific activities (Table 1) and were expressed...

Ngày tải lên: 16/03/2014, 04:20

9 551 0
Báo cáo khoa học: TioS T-TE – a prototypical thioesterase responsible for cyclodimerization of the quinoline- and quinoxaline-type class of chromodepsipeptides potx

Báo cáo khoa học: TioS T-TE – a prototypical thioesterase responsible for cyclodimerization of the quinoline- and quinoxaline-type class of chromodepsipeptides potx

... responsible for the cyclodimerization of pentapeptidyl-precursors to form the decapeptide gramicidin S, has been comprehensively analyzed in vitro, providing insights into a unique ligation and ... prototypical thioesterase responsible for the iterative assembly of the quinoline- and quinoxaline-type class of chromodepsipeptides, capable of macrolactonization and macrothiolactonization ... generated macrocycles were isolated and investigated for DNA-bisintercalation activity compared to native thiocoraline TioS T-TE represents a robust and versatile catalyst for the generation of chromodepsipeptide...

Ngày tải lên: 23/03/2014, 06:20

13 466 0
Báo cáo Y học: Molecular interactions between nuclear factor kB (NF-kB) transcription factors and a PNA– DNA chimera mimicking NF-kB binding sites doc

Báo cáo Y học: Molecular interactions between nuclear factor kB (NF-kB) transcription factors and a PNA– DNA chimera mimicking NF-kB binding sites doc

... helix conformation could be described as comparable to a P-form duplex, and this P-form would appear to be the natural conformation for PNA [31] The DNA bp near the PNA duplex in 50 and 30 show ... process, were 53 ^ 8C for PDP – PDP and 55 ^ 8C for DNA duplex (DNA) The double stranded PDP –PDP chimera inhibits the interactions between NF-kB transcription factors and target DNA–DNA molecules ... cells suppresses the expression of vascular endothelial growth factor, transforming growth factor beta1, and tissue factor and also cell growth and invasion activities Cancer Res 60, 6531–6536 Kawauchi,...

Ngày tải lên: 24/03/2014, 04:21

10 380 0
Báo cáo khoa học: NrpRII mediates contacts between NrpRI and general transcription factors in the archaeon ¨ Methanosarcina mazei Go1 pot

Báo cáo khoa học: NrpRII mediates contacts between NrpRI and general transcription factors in the archaeon ¨ Methanosarcina mazei Go1 pot

... agarose for h Wash and elution steps were performed as described for (A) Lower panel, 40 mg of crude extract containing (His)6-NrpRI was incubated with mL of amylose resin for h, washed and eluted ... an archaeal repressor and the general archaeal transcription factors TBP and TFB besides the recent documentation of interactions between the transcriptional activator GvpE and all five TBPs of ... transcription factors, were investigated and the effects of 2-oxoglutarate on binding were analysed Complex formation between NrpRI and NrpRII In order to study potential interactions between NrpRI and...

Ngày tải lên: 29/03/2014, 21:20

14 391 0
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