Particle Toxicology - Chapter 11 pot
... Adhesion molecules Acute asthma Mucus secretion vasodilatation and vasopermeation bronchial hyperresponsiveness smooth muscle contraction Chronic asthma Epithelial damage bronchial remodeling chronic ... and Ma, J K., The dual effect of the particulate and organic components of diesel exhaust particles on the alteration of pulmonary immune/inflammatory responses and metabolic enzymes, J Environ ... extracts of DEP increase the expression of costimulatory molecules (B7) and MHC class II (CDIa) expression and enhance allergen presentation PAH during monoDC differentiation decrease expression of...
Ngày tải lên: 11/08/2014, 21:21
... phosphorylation consistent of the lack of S1P effects on c-jun phosphorylation Therefore, the effects of the JNK inhibitor SP-600125 on Cyr61/CCN1 gene expression are unrelated to the JNK pathways and ... induction of CAT activity as compared to nontreated cells Transfection with the shorter promoter construct, pCyr61/CCN1()436/+1)-CAT conferred only a sixfold induction of CAT activity upon S1P ... of the c-fos gene, while endogenous levels of ATF-2 seem unchanged in cells treated with S1P vs nontreated cells consistent with the constitutive expression pattern of ATF-2 Immunodetection of...
Ngày tải lên: 08/03/2014, 08:20
... discuss logistics considerations of the drawdown and its effect on the nations in the region and on Iraq’s internal stability and security In addition to the authors listed on the cover of this report, ... Six draws on a wide range of surveys of Iraqi living conditions and attitudes and also uses surveys and interviews with U.S military personnel concerning the effectiveness of various nonlethal ... Institution and Mary Washington University) Chapter Six on mitigating risks draws on prior RAND analysis of the effectiveness of U.S policies in Iraq, RAND work on postconflict nation-building,...
Ngày tải lên: 23/03/2014, 02:20
Báo cáo khoa học: Liver receptor homolog-1 localization in the nuclear body is regulated by sumoylation and cAMP signaling in rat granulosa cells docx
... % of control 3h SAE1 600 % of control ** ** % of control 10 000 % of control Cyp11a1 30 000 % of control % of control A F.-M Yang et al h 12 h 24 h Fig The cAMP pathway regulates the expression ... SUMO-1 conjugation in rat granulosa cells Mutation of three or more sites abolished the accumulation of LRH-1 in nuclear bodies It is well known that the control of ovarian function and steroid ... the effect of cAMP signaling on SUMO pathway is complex and cell type dependent Notwithstanding, the up regulation of E1, the down regulation of E2 or E3 and the increased expression of SENP2 lead...
Ngày tải lên: 23/03/2014, 06:20
Erectile Dysfunction – Disease-Associated Mechanisms and Novel Insights into Therapy Edited by Kenia Pedrosa Nunes potx
... phosphorylation and activation of eNOS by augmented Mechanisms in Erectile Function and Dysfunction: An Overview blood flow and endothelial shear stress lead to sustained NO production and maximal erection ... PKG, leading consequently to erection In addition, PKA and PKG cause inhibition of calcium channels and activation of potassium channels Abbreviations: CaM, calmodulin; nNOS, neuronal nitric oxide ... vasoconstriction, but it also stimulates the expression of adhesion molecules and activates transcriptional factors responsible for the coordinated increase in the expression of many cytokines and...
Ngày tải lên: 23/03/2014, 17:20
Báo cáo Y học: A new siglec family member, siglec-10, is expressed in cells of the immune system and has signaling properties similar to CD33 docx
... that B -cells and monocytes were binding the fusion protein but T -cells were not Possible binding of the fusion protein to the Fc receptors on B -cells and monocytes was ruled out by comparison to ... control) at a concentration of mg protein per  106 cells Anti-(rabbit IgG) Ig (Sigma) was also added at 100 mg per million cells to prevent nonspecific binding of the Ig tail on the fusion proteins ... USA) and/ or phycoerythrin-conjugated anti-CD20 Ig, antiCD14 Ig, and anti-CD4 Ig (Beckton – Dickinson, San Jose,CA, USA) were added on ice for 30 The cells were analyzed on a Becton –Dickinson FACSort...
Ngày tải lên: 24/03/2014, 04:21
báo cáo hóa học:" Bioactivity-guided identification and cell signaling technology to delineate the immunomodulatory effects of Panax ginseng on human promonocytic U937 cells" potx
... immunomodulatory effects are mostly due to its regulation of cytokine production and phagocytic activities of monocytes /macrophages and dendritic cells, as well as activation of T- and B- lymphocytes ... cyclophosphamidetreated mice, and provides protection against infection with Listeria monocytogenes [26] Ginseng radix extracts induce production of TNF-α and IFN-γ in murine spleen cells and peritoneal macrophages ... citation purposes) Journal of Translational Medicine 2009, 7:34 Figure with TNF-α Suppressive effects of ginsenosides on U937 cells stimulated Suppressive effects of ginsenosides on U937 cells...
Ngày tải lên: 18/06/2014, 15:20
báo cáo hóa học: " Treatment with gelsolin reduces brain inflammation and apoptotic signaling in mice following thermal injury" potx
... course of mRNA expression of proinflammatory cytokines by real-time PCR in brain of burned mice On account of the lack of significant improvement in pathology in Gsn-L mice, only the gene expression ... http://www.jneuroinflammation.com/content/8/1/118 Page 11 of 18 Figure Gelsolin affects migration of myeloid-derived cells into brain CD11b+ cells from mice 72 h postburn (A) and quantification of infiltrating ... marker Resolution of CNS infection is often the result of a balance between immune-mediated pathogen clearance and the deleterious effects of inflammation Indeed, in a murine model of rabies encephalitis,...
Ngày tải lên: 19/06/2014, 22:20
Báo cáo hóa học: " Resveratrol engages AMPK to attenuate ERK and mTOR signaling in sensory neurons and inhibits incision-induced acute and chronic pain" pptx
... sensitization precipitated by PGE2 injection on day 14 after incision C) Intraplantar injection of resveratrol (10 µg) on day and post incision abolished plantar incision induced persistent sensitization ... and mTOR signaling in sensory neurons in a time- and concentration-dependent fashion and that these effects are mediated by AMPK activation and independent of sirtuin activity Interleukin-6 (IL-6) ... treatment Conclusions These results highlight the importance of signaling to translation control in peripheral sensitization of nociceptors and provide further evidence for activation of AMPK as...
Ngày tải lên: 21/06/2014, 19:20
Associated Technologies And Milling Cutter by J Smith_2 doc
... production process This latter point, not only influences method of component clamping, dictating: how, where and what will be the optimum method of ‘location and restraint’17 of the workpiece, but on ... on this topic later, in the section dealing with ‘Machined Surface Integrity’) In most milling operations the term: ‘engagement’ concerns the relationship of cutter-to-workpiece positioning and, ... life’ somewhat, but this is only part of the problem of off-centre cutting Returning to the cutter positioned centrally (i.e Fig 84g), here the direction of the radial component cutting forces will...
Ngày tải lên: 21/06/2014, 21:20
Associated Technologies And Milling Cutter by J Smith_4 pptx
... A Practical Handbook AB Sandvik Coromant Pub., 1994 Oxley, P.L.B Mechanics of Machining Ellis Horwood Pub., 1989 Shaw, M.C Metal Cutting Principles Oxford Univ Press, 1989 Society of Manufacturing ... Manufacturing Eng’rs., Tool and Manufacturing Engineers Handbook – Vol – Machining 4th Ed., SME Pub., Dearborn, Mich., 1983 Smith, G.T Advanced Machining – The Handbook of Cutting Technology, IFS/Springer ... Manufacturing Processes and Equipment Prentice Hall, 2000 Usui, E Modern Machining Theory [i.e In Japanese] Kyoritu-shuppan (Tokyo), 1990 Zorev, N.N Metal Cutting Mechanics Pergamon Press (Oxford),...
Ngày tải lên: 21/06/2014, 21:20
Molecular and Cellular Signaling docx
... organization is the creation of a large number of ways of controlling the 14 Introduction mix of proteins being expressed at any given time in a cell In place of DNA regulation of prokaryotic gene and ... excitation and inhibition of neurons are responsible for epileptic seizures and a host of attention, learning, and 16 Introduction mood disorders Proteolytic processing is a prominent part of the ... synthesis-translation Processing, packaging, and shipping Degradation and recycling Degradation Internalization of material Introduction Organelles are characterized by the mix of enzymes they contain and by...
Ngày tải lên: 27/06/2014, 10:20
ERECTILE DYSFUNCTION – DISEASE-ASSOCIATED MECHANISMS AND NOVEL INSIGHTS INTO THERAPY pdf
... phosphorylation and activation of eNOS by augmented Mechanisms in Erectile Function and Dysfunction: An Overview blood flow and endothelial shear stress lead to sustained NO production and maximal erection ... PKG, leading consequently to erection In addition, PKA and PKG cause inhibition of calcium channels and activation of potassium channels Abbreviations: CaM, calmodulin; nNOS, neuronal nitric oxide ... vasoconstriction, but it also stimulates the expression of adhesion molecules and activates transcriptional factors responsible for the coordinated increase in the expression of many cytokines and...
Ngày tải lên: 27/06/2014, 11:20
Báo cáo sinh học: "The Drosophila Forkhead transcription factor FOXO mediates the reduction in cell number associated with reduced insulin signaling" potx
... females and then screened the F1 generation for reversion of the strong gain -of- function phenotype and its associated semilethality Several loss -of- function alleles of dFOXO were isolated and molecularly ... daf-16 Loss -of- function mutations in daf-16 completely suppress the dauer-constitutive and longevity phenotypes associated with reduced function of insulin-signaling components On the basis of knowledge ... Kc167 cells upon insulin stimulation Figure 6a shows a selection of dFOXO target gene candidates that are transcriptionally downregulated by a factor of two or more upon insulin stimulation and...
Ngày tải lên: 06/08/2014, 18:20
Báo cáo sinh học: "Dishevelled and Wnt signaling: is the nucleus the final frontier" potx
... critical for function Yet, when the basic conclusion of a nuclear localization and function of Dsh is accepted, several questions remain If Dsh function is required in the nucleus for canonical Wnt signaling, ... Mutation of this second domain abolished nuclear accumulation of Dsh in the presence of nuclear export inhibitors and, remarkably, impaired the ability of Dsh to induce -catenin stabilization and ... by demonstrating that stimulation of cultured mammalian cells with Wnt3a results in the accumulation of a portion of endogenous Dsh (Dvl2 in this case) in/around the nucleus Making sense of nuclear...
Ngày tải lên: 06/08/2014, 18:21
Báo cáo y học: " Eph Receptors and Ephrin Signaling" pps
... starts with resorption and is followed by bone formation, occurring only at sites of prior resorption, and (ii) the cessation of bone resorption upon commencement of bone formation These suggest ... novel and intriguing potential explanation Figure Proposed coupling of bone resorption and bone formation via EphB4 and ephrinB2 Zhao and collegues demonstrate expression of EphB4 on osteoblasts and ... formation in myeloma bone disease is mediated by a reduction in EphB4 expression and thus disruption of the normal coupling of bone resorption and bone formation [92] Bone is a frequent site of metastasis...
Ngày tải lên: 08/08/2014, 17:20
Báo cáo y học: "Activation of WNT and BMP signaling in adult human articular cartilage following mechanical injury" potx
... upregulation of BMP-2 mRNA after injury Several factors can determine activation of BMP signaling independently of the expression of one ligand, including secretion and solubility of the ligand(s), ... expression of FRZB mRNA is responsible for the detected upregulation of the WNT/β catenin target genes Nevertheless, the functional importance of the regulation of FRZB expression in the context of ... progenitor cells, the regulation of endochondral bone formation and cartilage extracellular matrix synthesis, as well as the preservation of the phenotypic stability of articular chondrocytes...
Ngày tải lên: 09/08/2014, 08:22
Báo cáo y học: "Activation of proteinase-activated receptor 2 in human osteoarthritic cartilage upregulates catabolic and proinflammatory pathways capable of inducing cartilage degradation: a basic science study" pot
... design, acquisition of data, analysis and interpretation of data, statistical analysis, and manuscript preparation NA participated in acquisition of data, analysis and interpretation of data, statistical ... the possible existence of different cell populations such as responders and non-responders Available online http://arthritis-research.com/content/9/6/R121 Figure Production of metalloproteinase ... production of MMP-1 and MMP13 by human chondrocytes [27-29] and the p38 activation in COX-2 [30,31] Available online http://arthritis-research.com/content/9/6/R121 Interestingly, co-stimulation of...
Ngày tải lên: 09/08/2014, 10:22
Báo cáo y học: "Advanced glycation end products induce cell cycle arrest and proinflammatory changes in osteoarthritic fibroblast-like synovial cells" doc
... expression of RAGE, NFκB p65 and of the proinflammatory cytokines TNF-α and IL-6 In contrast, AGE-BSA decreased expression of RANKL and osteo- Page 14 of 19 (page number not for citation purposes) ... contributions FLS are an integral part of the RANK/RANKL interaction system, which primarily initiates the maturation, activation and stimulation of osteoclasts Osteophyte formation and subchondral ... beyond this contribution are needed to define the molecular interactions between NFκB activation and the regulation of p27kip1 expression However, Page 17 of 19 (page number not for citation...
Ngày tải lên: 09/08/2014, 14:22
báo cáo khoa học: "Different patterns of NF-B and Notch1 signaling contribute to tumor-induced lymphangiogenesis of esophageal squamous cell carcinoma" ppt
... sequential up-regulation of VEGFR-3 expression in cultured lymphatic endothelial cells and increasing of proliferation and migration, it suggested that induction of NF- Su et al Journal of Experimental ... association of VEGF-C status in ESCC tissue with the expression of NF-B and a negative association with the expression of Notch1, independent of T stage, sex, age, and tumor cell differentiation status ... expression in ESCC, in an effort to demonstrate the association of NF-B with tumor-induced lymphangiogenesis Our demonstration of a positive link between high levels of NF-B expression and LVD and...
Ngày tải lên: 10/08/2014, 10:21