ca125 in the pathogenesis of ovarian cancer
Báo cáo khoa học: " JC virus in the pathogenesis of colorectal cancer, an etiological agent or another component in a multistep process?" pdf
Ngày tải lên :
12/08/2014, 04:21
... proliferation [56] This role is in some aspects reminiscent of the action of E6 in cervical carcinogenesis, where the elimination of p53 also results in lack of induction of p21 [57,58], and permits ... regulation The penetrance of the remaining viral gene and its level of expression might condition the risk of developing cancer Also other viral genes might be lost, particularly those of the capsid, ... regulatory protein (Agnoprotein) The viral DNA is packed as a non-enveloped virus in a virion composed of 72 pentamers of the major VP1 capsid protein, that also includes one unit of the minor VP2 and...
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Báo cáo khoa học: FLIP and MAPK play crucial roles in the MLN51-mediated hyperproliferation of fibroblast-like synoviocytes in the pathogenesis of rheumatoid arthritis pdf
Ngày tải lên :
23/03/2014, 07:20
... increment in the protein level of GM-CSF-induced MLN51 (Fig 2E) These data indicate that GM-CSF not only induces the expression of MLN51, but also blocks the proteasome-mediated degradation of ... blocking of the proteasome degradation pathway GM-CSF-induced MLN51 is involved in the hyperproliferation and anti-apoptosis of MH7A cells via the upregulation of FLIP Next, we investigated the ... of RA FLSs, thus indicating that other factors must be involved in this proliferation In our previous studies, we have determined that GM-CSF in the synovial fluid plays an important role in the...
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báo cáo hóa học:" Identifying alemtuzumab as an anti-myeloid cell antiangiogenic therapy for the treatment of ovarian cancer" pdf
Ngày tải lên :
18/06/2014, 15:20
... majority of VLC are viable Annexin V (-) and PI (-) cells In contrast, in the presence of Alemtuzumab and sera (2), the majority of VLC are Annexin V+ and/or PI + indicating the induction of cytotoxicity ... effective therapeutic in other solid tumors The identification of an FDAapproved agent with a significant history of clinical use will allow immediate proof -of- principle cancer therapy clinical ... detectable in the presence of heat inactivated Alemtuzumab, 75% of VLC were eliminated in the presence of fresh Alemtuzumab (Figure 3B(1) and 3C) This was associated with a proportionate increase in the...
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báo cáo hóa học:" Role of the VEGF-Flt-1-FAK pathway in the pathogenesis of osteoclastic bone destruction of giant cell tumors of bone" pptx
Ngày tải lên :
20/06/2014, 04:20
... VEGF activates the VEGF-Flt-1-FAK pathway The activation of this signaling pathway might be involved in the migration of these cells into the lesion at the site of bone destruction in GCTs We recently ... expression and the clinical stage of GCTs at presentation To determine the status of pY-Flt-1 and pY-FAK in GCT samples, the staining intensity of each specimen was scored as follows: (weak staining; less ... Immunolocalization of VEGF, Flt-1 and Flk-1 in GCT samples We initially analyzed the expression profiles of VEGF and the VEGF receptors in GCT specimens TRAP Page of staining demonstrated the presence of bone-resorbing...
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báo cáo hóa học:" Role of the VEGF-Flt-1-FAK pathway in the pathogenesis of osteoclastic bone destruction of giant cell tumors of bone" potx
Ngày tải lên :
20/06/2014, 07:20
... VEGF activates the VEGF-Flt-1-FAK pathway The activation of this signaling pathway might be involved in the migration of these cells into the lesion at the site of bone destruction in GCTs We recently ... expression and the clinical stage of GCTs at presentation To determine the status of pY-Flt-1 and pY-FAK in GCT samples, the staining intensity of each specimen was scored as follows: (weak staining; less ... Immunolocalization of VEGF, Flt-1 and Flk-1 in GCT samples We initially analyzed the expression profiles of VEGF and the VEGF receptors in GCT specimens TRAP Page of staining demonstrated the presence of bone-resorbing...
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Báo cáo y học: "Eotaxin and FGF enhance signaling through an Extracellular signal-related kinase (ERK)-dependent pathway in the pathogenesis of Eosinophilic Esophagitis" doc
Ngày tải lên :
08/08/2014, 21:20
... the pathogenesis of EoE by enhancing activation of eosinophils through synergy with eotaxin via the ERK signaling pathway The data may be used in the possible diagnosis and prognosis of EoE In ... together with eotaxin, FGF enhances activation of eosinophils in EoE specifically Page of The increased global expression of bFGF led to the investigation of the local expression bFGF of the esophageal ... this increase is also reflected systemically In addition, the extent of increase in FGF and ERK pathways was closely associated with the severity of the disease and endoscopic findings in the...
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Báo cáo y học: "Hypoxia in the pathogenesis of systemic sclerosis" ppt
Ngày tải lên :
09/08/2014, 01:22
... binds directly to the ODDD of HIF-1α in the cytoplasm and acetylates a single lysine residue at position 532 Acetylation of this specific lysine residue favours the interaction of HIF-1α and the ... part of the E3 ubiquitin ligase complex Interaction of prolinehydroxylated HIF-1α with pVHL/E3 ubiquitin ligase complex activates the ubiquitination machinery, thereby promoting degradation of ... HIF-1α is not ubiquitinated Thus, degradation of HIF-1α in the proteasome is inhibited and HIF-1α protein accumulates Binding of HIF-1 to HIF binding sites, formation of the transcriptional complex...
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Báo cáo y học: "The role of structural genes in the pathogenesis of osteoarthritic disorder" potx
Ngày tải lên :
09/08/2014, 06:22
... protein; matrilin-1) Matrilin-3 CILP (cartilage intermediate layer protein) Fibronectin PRELP (proline/arginine-rich and leucine-rich repeat protein) Chondroadherin Fibrillin Tenascin-C Elastin MGP (matrix ... cartilage of all joints, this joint selectivity is quite puzzling We suggest that the answer may be found in a more careful examination of the interactions between intrinsic and extrinsic factors ... epiphyseal dysplasia of several joints during childhood, and OA of the knees in adulthood A complex splicing defect of exon and/or exon 10 in the COL9A1 gene has been identified in other families [59]...
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Báo cáo y học: "Inhibition of antithrombin by hyaluronic acid may be involved in the pathogenesis of rheumatoid arthritis" potx
Ngày tải lên :
09/08/2014, 06:22
... arthritis dylarginine deiminase of involvement of hyaluronic of rheumatoid Proposed mechanism (PADI4) in the pathogenesis acid (HA) and peptidylarginine deiminase (PADI4) in the pathogenesis of rheumatoid ... antithrombin However, such binding did not stimulate the activity of antithrombin as did heparin and heparan; in fact, it blocked the ability of antithrombin to inhibit thrombin In the present study, the ... proteinase binding loop on the protein surface [19,20] Because the molecular structure of HA is analogous to that of heparin, HA might exert its effect by binding to the heparin-binding region of...
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Báo cáo y học: "Direct interaction of immunoglobulins with synovial fibroblasts: a missing link in the pathogenesis of rheumatoid arthritis" potx
Ngày tải lên :
09/08/2014, 06:22
... passages in vitro before being exposed to the immunoglobulins Consequently, the data suggest that the local stromal environment in the joint (and based on previous data from the group other organs ... determines the disease specific immune response Given the variety of signaling pathways initiated by IGF-1 in fibroblasts, it may be speculated, as the authors mention briefly, that binding of antibodies ... trigger the release of IL-16 in RASFs, the present research from Smith and Cruikshank extends the panel of signals involved in the regulation of IL-16 at least under pathologic conditions Although the...
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Báo cáo y học: "The role of interleukin-1 in the pathogenesis of human Intervertebral disc degeneration" pdf
Ngày tải lên :
09/08/2014, 06:22
... result in an increase in the gene expression of the aggrecanase ADAMTS4 in cells derived from degenerate NP In vivo, the NP contains the highest concentration of aggrecan in the IVD The response of ... observed on the other cell types (Fig 6d) Discussion In this study, we investigated whether in IVD degeneration there is local production of the cytokine IL-1 and whether IL-1 could induce the cellular ... immunopositivity was observed in the matrix of the IVDs or in blood vessels, with the exception of immunopositivity for ICE, which showed some staining in the matrix and blood vessels of the most degenerate...
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Báo cáo y học: "γ The role of the complement and the FcγR system in the pathogenesis of arthritis" pdf
Ngày tải lên :
09/08/2014, 06:23
... suggesting a more general mechanism of these receptors in inflammatory diseases Maintaining autoantibody titers through FcRn-mediated recycling One of the most striking characteristics of the K/B ... through the regulation of FcRs much like the instructive role of the innate immune system for the adaptive response [56] The production of autoantibodies as a result of the failure of the immune ... anaphylatoxin, acting through the C5aR, is a major regulator of the transcription of activating and inhibitory FcγRs in IC-induced lung disease C5a increased the expression of activating FcγRIII and...
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Báo cáo y học: "Catabolic stress induces expression of hypoxia-inducible factor (HIF)-1α in articular chondrocytes: involvement of HIF-1α in the pathogenesis of osteoarthritis" ppt
Ngày tải lên :
09/08/2014, 06:23
... maintain chondrocyte viability in the face of catabolic changes in articular cartilage Many molecular aspects of HIF-1 signaling should be also studied to further clarify the role of HIF-1 in the ... chemical inducer of HIF-1, was added to the cells during the incubation time in normoxia or hypoxia [20] In other experiments, human chondrocytes were cultured in the presence or absence of a phosphatidylinositol ... Germany) was used The assay is based on the light-emitting oxidation of luciferin by luciferase in the presence of extremely low levels of ATP After collecting the chondrocytes by scraping, cells were...
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Báo cáo y học: "Dipeptidyl peptidase IV activity and/or structure homologs: Contributing factors in the pathogenesis of rheumatoid arthritis" doc
Ngày tải lên :
09/08/2014, 07:20
... extravasate into the extracellular space Once in the vicinity of the synovium, the DPPIV activity would be able to initiate amino-terminal degradation of the increased levels of proinflammatory ... levels in SF may represent an increase in the presence of attractin Certainly, analysis of serum reveals an increase in attractin in RA patients with erosive disease, which is not observed in individuals ... presence of systemic activated T cells will lead to their continuous influx into the inflamed synovium, maintaining the inflammatory state This will lead to a continuous activation of synovial...
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Báo cáo y học: "Cartilage oligomeric matrix protein is involved in human limb development and in the pathogenesis of osteoarthriti" pptx
Ngày tải lên :
09/08/2014, 07:20
... adjacent to the developing joint space The arrowhead indicates the area from which the high-magnification micrograph was taken (inset) The arrowhead in the inset indicates COMP staining (f) At ... in the pericellular space (Figure 4a) In OA cartilage taken from the area adjacent to the main defect from patients in the late stages of OA, an increase in staining intensity was found in the ... especially in the pericellular matrix of cell clusters (Figure 3b, inset) With the help of light microscopic in situ hybridization, the mRNA for COMP was detected in the cytoplasm of chondrocytes of the...
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Báo cáo y học: "The role played by cell-substrate interactions in the pathogenesis of osteoclast-mediated peri-implant osteolysis" potx
Ngày tải lên :
09/08/2014, 07:20
... neither the β3 integrin nor the CTR are expressed by osteoclast precursors The expression of these genes increases during the late stages of osteoclast differentiation [42], after induction of the ... bone resorption in mice in which either of these genes has been deleted [36,37] In humans, inactivating mutations in the cathepsin K gene are associated with an osteoclast resorbing defect manifest ... loosening of prosthetic joint implants has emerged as the major long-term complication after TJR The radiographic hallmark of prosthetic loosening is the presence of radiolucent zones at the interface...
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Báo cáo y học: "MLN51 and GM-CSF involvement in the proliferation of fibroblast-like synoviocytes in the pathogenesis of rheumatoid arthritis" pps
Ngày tải lên :
09/08/2014, 08:23
... next investigated whether SFs have an effect on the growth rate of RA FLSs, what kinds of factors in the SFs are involved in the proliferation of RA FLSs, and whether the factors have a role in the ... together with GM-CSF in the SF may be involved in RA pathogenesis in vivo To address the effects of GM-CSF in SF on the growth of RA FLSs, we cultured the RA FLSs in culture media containing ... in line with their gene expression patterns by microarray-based molecular studies [27] The histology of RA affected joints indicates chronic inflammation with hyperplasia in the synovial lining...
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Báo cáo y học: " Induction of multiple matrix metalloproteinases in human dermal and synovial fibroblasts by Staphylococcus aureus: implications in the pathogenesis of septic arthritis and other soft tissue infections" pdf
Ngày tải lên :
09/08/2014, 08:23
... defense against infection Inhibition of its activity could therefore be anticipated to augment the risk of infection in patients with RA The reasons for the predominance of S aureus in SA and the mechanisms ... components The profile was similar to that induced by a combination of IL-1/TNF, which might indicate the involvement of an inflammatory cytokine-mediated pathway in the observed induction of MMPs ... or the severity of joint pathology Intra-articular injection of PGN into murine joints triggered arthritis in a dose-dependent manner [17] A single injection of this compound caused massive infiltration...
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Báo cáo y học: " Immune mechanisms in the pathogenesis of idiopathic inflammatory myopathies" doc
Ngày tải lên :
09/08/2014, 10:20
... This increasing knowledge has a great potential to improve our understanding of the role of these inflammatory cells in disease mechanisms in IIMs In this review we summarize the latest findings ... mechanisms in IIMs Taken together, they demonstrate the complexity of involvement of the immune system in these diseases and suggest that both the innate and adaptive immune systems are involved in dermatomyositis, ... hypermutation of V-region genes can influence antibody isotype switching or the antigen-binding properties of the antibody, respectively, resulting in the production of antibodies of various isotypes...
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