... TIMP2 and b-catenin can in uence cell adhesion and apoptosis [23,28] DDR1 is an integrin-independent cell adhesion molecule DPIV reduces cell adhesion by dephosphorylating p38 MAP kinase and b1-integrin ... iodide-stained (red) dead ⁄ apoptotic cells cell- surface expression of DPIV and FAP probably has additional effects on cell behavior via fibronectin and integrin binding [10,18,29] The increased STS-induced ... cytoplasmic DP8 and DP9 in uence such events For example, integrin activation can be controlled by signaling pathways that involve protein– protein interactions [26] Nischarin is cytoplasmic and interacts...
Ngày tải lên: 23/03/2014, 11:20
... claudins and the TAMP proteins Integral proteins establish cell- cell contact in the intercellular space The peripheral proteins, act as a bridge between the integral proteins and the actin cytoskeleton ... paracingulin JACOP and paracingulin are the same protein JACOP/paracingulin is a 160 kDa protein with a domain organization similar to cingulin and 40% sequence identity JACOP/paracingulin besides ... such as integrins (e.g endothelial JAM-A with integrin LFA-1 in leukocytes and integrin ανβ3 in endothelial cells; endothelial JAM-B with integrin VLA4 in Tight Junctions 17 leukocytes; and endothelial...
Ngày tải lên: 28/03/2014, 10:20
Establishment of cell polarity in zebrafish role of staufen and GRB2 in cell migration
... vegetal cortex in Xenopus oocytes, Vg1 RNA binding protein (RBP) (indigo) with Staufen (yellow) is loaded into microtubules (red) using adaptor proteins and motor proteins Kinesin I and II Vg1 mRNA ... domain protein serves as bridge between Tea1p and cortical actin nucleating protein Formin3p (Martin and Chang, 2006; Martin et al., 2005) (Fig 1.1 D) Actin filaments deposit growth machinery ... distribution of Protein Kinase C (aPKC) and the Ephrin receptors establish cell polarity in mouse and Xenopus (Fleming et al., 2000a; Fleming et al., 2000b; Winning et al., 2001) In zebrafish embryos,...
Ngày tải lên: 12/09/2015, 08:18
Báo cáo sinh học: "Combination therapy with vemurafenib (PLX4032/RG7204) and metformin in melanoma cell lines with distinct driver mutations" pdf
... stimulating the growth of one cell line in our panel, and the antagonistic effects of the combination of metformin and vemurafenib in several cell lines, the combination of vemurafenib and metformin ... representative cell lines is included in Additional File and a time course analysis in Additional File A summary of the key findings focusing on the 24 hour time point in BRAFV600E mutant cell lines is ... combination only in a subset of BRAFV600E mutant cell lines and none of the BRAF wild type cells Interestingly, single agent metformin treatment in the NRASQ61K mutant SKMEL173 resulted in increased...
Ngày tải lên: 18/06/2014, 19:20
Báo cáo y học: "Immune restoration disease and changes in CD4+ T-cell count in HIV- infected patients during highly active antiretroviral therapy at Zewditu" ppsx
... Wall J, Ying J, Fichtenbaum CJ: Immune reconstitution syndrome in HIV: validating a case definition and identifying clinical predictors in persons initiating antiretroviral therapy Clin Inf Dis ... stage I and the predominant HAART regimen given was 1b (combination of lamivudine, stavudine and efavirenz) followed by 1a (combinations of lamivudine, stavudine and nevirapine), 1d (combination ... patients with and without IRD were compared and there were significant increases in CD4+ T -cell count, WBC count, ALT and AST in IRD and non IRD patients, and ALP and Hgb values in non IRD patients...
Ngày tải lên: 10/08/2014, 05:21
The Retinoblastoma Gene Family in Cell Cycle Regulation and Suppression of Tumorigenesis
... containing the DNA binding motif but not the pRb-binding or transactivation domain or introduction of a competitor plasmid containing multiple E2F binding sites, preventing the binding of E2F and ... and cell cycle control Cell 81:323–330 Welch PJ, Wang JY (1993) A C-terminal protein-binding domain in the retinoblastoma protein regulates nuclear c-Abl tyrosine kinase in the cell cycle Cell ... while increased apoptosis was only observed in follicular cells lacking both pRb and p107 (Ruiz et al 2004) Interesting observations were made in cells lacking pRb in the retina Somatic inactivation...
Ngày tải lên: 25/10/2013, 21:20
Tài liệu Báo cáo " Effecting of medium composition on biomass and ginsenoside production in cell suspension culture of Panax vietnamensis Ha et Grushv " doc
... biomass and ginsenoside yield of Ngoc Linh ginseng cell culture Materials and methods Induction of callus Fresh mountain ginseng roots were collected from Ngoc Linh mountain, Quang Nam province ... through callus induction from the cultivated plant root [5] The cell line was maintained in MS liquid medium supplemented with mg/L indole-3-butyric acid (IBA), 0.1 mg/L of kinetin and 30 g/L sucrose ... started in the early 1960s and commercial application has underway since the late 1980s The powder and extracts from ginseng cell culture were used to make health foods, drinks and cosmetics The ginseng...
Ngày tải lên: 12/02/2014, 10:20
Tài liệu Báo cáo khoa học: Protein kinase CK2 activates the atypical Rio1p kinase and promotes its cell-cycle phase-dependent degradation in yeast pdf
... aprotinin, leupeptin and pepstatin, twice in kinase buffer, and used for in vitro kinase assays In vitro kinase assays Recombinant human protein kinase CK2 holoenzyme (0.5 U, corresponding to ... N-Terminal domain; B, Rio1 family-specific domain (R-domain); CK, serine-rich acidic domain (pos 402–435, CK2 domain); and K, lysine-rich C-terminal domain (K domain, pos 436–484) (B) N- and C-terminally ... C (2002) Joining the cell survival squad: an emerging role for protein kinase CK2 Trends Cell Biol 12, 226–230 Meggio F & Pinna LA (2003) One-thousand -and- one substrates of protein kinase CK2?...
Ngày tải lên: 18/02/2014, 16:20
Tài liệu Báo cáo khoa học: Osmosensing and signaling in the regulation of mammalian cell function docx
... Thus, integrin-dependent cell volume sensing and signaling integrates into the overall context of insulin signaling Similarly, sensing of glutamine-induced hepatocyte swelling by integrins feeds into ... Osmosensing and signaling in mammalian cell function F Schliess et al [7] On the other hand, hyperosmotic shrinkage prevents insulin-induced hepatocyte swelling and proteolysis inhibition, indicating ... relevance The understanding of how cell swelling integrates into the cell cycle machinery and how cell shrinkage sensitizes cells to apoptotic stimuli requires further scientific effort Cell hydration...
Ngày tải lên: 18/02/2014, 16:20
Tài liệu Báo cáo khoa học: A novel splice variant of occludin deleted in exon 9 and its role in cell apoptosis and invasion docx
... that the intracellular calcium level increased in OccWT-overexpressing cells, and that 2-APB inhibited the effects of OccWT Therefore, the increase in intracellular calcium may explain the induction ... exon and exon 1a, we compared the promoters involved in Chang and Huh7 cells As shown in Fig 1D, PCR products containing exon were produced in Huh7 cells but not in Chang cells To determine whether ... of occludin in apoptosis and invasion J.-M Gu et al A B C D E F Fig Occludin increases the intracellular calcium concentration in Chang cells (A) Representative cell images obtained using a confocal...
Ngày tải lên: 18/02/2014, 18:20
Tài liệu Báo cáo khoa học: Functional hierarchy of plasminogen kringles 1 and 4 in fibrinolysis and plasmin-induced cell detachment and apoptosis docx
... formation, to a decrease in plasmin binding or to a combination of the two We demonstrate that both mAb 34D3 and mAb A10.2 inhibit plasmin binding to cells (Fig 5A) and fibrin (Fig 5B) in a concentration-dependent ... thus indicating accessibility and participation of both K1 and K4 in firmly anchoring plasmin to fibrin and cell surfaces Because the expanded Lys-form of plasminogen may be an intermediary in plasmin ... plasmin proteolytic activity on fibrinolysis and extracellular proteolysis, are lacking Furthermore, the relative importance of K1 and K4 in mediating interactions of plasminogen with fibrin and cells...
Ngày tải lên: 20/02/2014, 01:20
Tài liệu Báo cáo khoa học: Insulin/protein kinase B signalling pathway upregulates metastasis-related phenotypes and molecules in H7721 human hepatocarcinoma cell line pptx
... that of PKB protein and activity in the insulin treated and S-PKB cells, indicating that SLex might be regulated by other insulin-induced factor(s) in addition to PKB signalling pathways It is ... missing links in insulin signal transduction? FEBS Lett 410, 3–10 Dedhar, S., Benjamin, W & Gregory, H (1999) Integrin-linked kinase (ILK): a regulator of integrin and growth-factor signalling ... activity in insulin and LY294002 treated H7721 cells (C) PKB activity in sense or antisense PKB transfected cells before and after insulin treatment UnC, Mock, UnC + Ins or Ins, Mock + Ins, S-PKB,...
Ngày tải lên: 21/02/2014, 00:20
Báo cáo khoa học: Transient potential receptor channel 4 controls thrombospondin-1 secretion and angiogenesis in renal cell carcinoma ppt
... CM and cell lysates (CM and L, respectively) were collected and TSP1 was detected by western blotting Note the low TSP1 secretion and higher intracellular levels in RCC cells (F) HNK and P769 cells ... + +++ ++ In contrast, HNK and RCC cell lines differed in their ability to induce angiogenesis Conditioned media (CM) from P769 and other RCC cell lines were potently angiogenic in rat and mouse ... of such inhibitors in angiogenic tumors impedes their progression: these include angiostatin, endostatin, tumstatin, PEDF, SPARC (secreted protein, acidic and rich in cysteine), tissue inhibitor...
Ngày tải lên: 07/03/2014, 05:20
Báo cáo khoa học: Molecular and functional characterization of a novel splice variant of ANKHD1 that lacks the KH domain and its role in cell survival and apoptosis docx
... functions including apoptosis in infected and uninfected bystander target cells through its interaction with host cellular proteins [22–25] However, it is not clear at this point how interaction ... signaling, independent of MAP kinase (MAPK) by either functioning downstream of MAPK or by defining a new pathway of RTK signaling [8] RTKs play important roles in cell signaling during cell proliferation, ... synthesis in tested cell lines and this siRNA was used in subsequent assays Following transfection of VBARP siRNA into HeLa and NT2 cells, physical observation revealed that cell death occurred in a...
Ngày tải lên: 07/03/2014, 21:20
Báo cáo khoa học: The influence of cold shock proteins on transcription and translation studied in cell-free model systems pdf
... existing in vivo, the unspecic inhibition of protein expression observed in the living cell after a cold shock can be explained by a direct binding of CSP to RNA and or DNA Besides this, in our ... enzymes cleaving the target protein Other effects which can occur in whole cells (e.g the induction of new proteins interfering with the protein expression) cannot occur in our isolated in vitro ... DNA and or RNA is required and that protein protein interaction or increased nuclease activity can be excluded as the main inhibitory factors for the expression process For reversing the inhibition...
Ngày tải lên: 07/03/2014, 21:20
Báo cáo Y học: Regulation of glypican-1, syndecan-1 and syndecan-4 mRNAs expression by follicle-stimulating hormone, cAMP increase and calcium influx during rat Sertoli cell development pptx
... least two signaling pathways in the Sertoli cells This hormone induces the increase of intracellular cyclic AMP and calcium levels Effect of intracellular cAMP level increase The involvement of ... of increased intracellular cAMP and intracellular calcium levels Moreover, calcium induces no effect on glypican-1 and syndecan-1 mRNAs expression in 10- and 30-day-old rat Sertoli cells Finally, ... ngÆmL)1) and H8 (5 lM), a specific protein kinase A inhibitor Figure indicates that glypican-1 and syndecan-1 mRNAs expression was downregulated by the resulting intracellular calcium increase ()26 and...
Ngày tải lên: 17/03/2014, 23:20
Báo cáo khoa học: Sin3 is involved in cell size control at Start in Saccharomyces cerevisiae Octavian Stephan and Christian Koch ppt
... of Sin3 and or Rpd3, rather than by regulating Sin3 ⁄ Rpd3 directly A good candidate for a factor regulating Sin3 ⁄ Rpd3 binding is Stb1, because it binds to both Swi6 and Sin3 [20,21,32,34] In ... Stb1 was originally identified as an interacting protein of Sin3 in two-hybrid assays (Stb1 for Sin three binding) [34] STB1 transcription was shown to be cell- cycle regulated and peaks in late G1 ... [44] and genome-wide binding studies for Rpd3 [39] showed that genes involved in cell growth and cell- cycle control, including the G1-specific gene PCL1, are targeted by the Rpd3 deacetylase In...
Ngày tải lên: 23/03/2014, 05:22