... signaling is involved in claudin-1 expression and localization 99 Indeed, a study shows that increasing β-catenin increases the expression of claudin-1 in colorectal cancer cells, and that claudin-1 ... for the regulation and localization of claudin expression It has been shown that protein kinases such as Protein Kinase A (PKA) and Protein Kinase C (PKC) can phosphorylate claudins (6,7) Phorbol ... Int J Med Sci 2009, aggressive melanomas have an abundance of claudin-1 in the cytoplasm We have shown that increasing claudin-1 expression in less metastatic melanoma cells caused an increase...
Ngày tải lên: 03/11/2012, 11:17
... as the diagnostic gold standard and clinical criteria as the major proxy marker for probable AD.3, 24 However, biomarkers within molecular science and brain imaging have in the last decades increasingly ... for detecting incipient AD One of the reasons behind the limited sample size, leading to absence in power, has been that invasive investigations have been performed without clinical indication ... Functioning, Disability and Health (ICF) by WHO (top line) and how it can be interpreted for disease in general (second line), dementia disorders (third line), and Alzheimer’s disease in particular...
Ngày tải lên: 13/02/2014, 18:20
Tài liệu Biomarkers in Cancer: An Introductory Guide for Advocates pdf
... genes and proteins are being explored as potential biomarkers As we will see in subsequent chapters, biomarkers for cancer are increasingly multiple genes and proteins instead of single genes and ... of invasive tumor cells show uniform, intense membrane staining IHC (Herceptest®) Scoring Breast Cancer Cell Staining pattern Score Interpretation No staining Negative Faint incomplete staining ... devoted to biomarkers include Journal of Molecular Biomarkers & Diagnosis and Genetic Testing and Molecular Biomarkers BIOMARKERS IN CANCER: AN INTRODUCTORY GUIDE FOR ADVOCATES Biomarkers and Individualized...
Ngày tải lên: 14/02/2014, 21:20
Tài liệu Báo cáo khoa học: A strategy for discovery of cancer glyco-biomarkers in serum using newly developed technologies for glycoproteomics ppt
... to distinguish from those involved in wound healing and in ammation In association with cancer growth, the stromal cells grow and expand to release many glycoproteins into serum Thus, serum derived ... profiling, and utilizes lectins, a group of glycan-discriminating proteins In general, however, the glycan–lectin interaction is relatively weak in comparison with, for example, antigen–antibody interactions ... glyco -biomarkers As mentioned above, changes in glycosylation patterns correlate well with alterations in the gene expression of individual glycosyltransferases in carcinogenesis and oncogenesis, as...
Ngày tải lên: 16/02/2014, 08:20
Biomarkers in marine organisms a practical approach
... hydroxylase Dimethylanaline N-demethylase Biphenyl hydroxylase 7-Ethoxycoumarin O-deethylase Benzphetamine N-demethylase Testosterone hydroxylase 7-Ethoxyresorufin O-deethylase Aldrin epoxidase Arachidonic ... hydroxylase Benzo[a]pyrene hydroxylase Dimethylanaline N-demethylase Aminopyrene N-demethylase 7-Ethoxycoumarin O-deethylase Aldrin epoxidase Antipyrine hydroxylase p-Nitroanisole O-demethylase p-Chloro-N-methylaniline ... activity increased whereas total CYP levels decreased Since BPH turnover is a function of activity divided by total CYP, turnover was determined to increase in parallel with activity Comparing the findings...
Ngày tải lên: 16/03/2014, 18:10
Báo cáo Y học: Loss-of-function variants of the human melanocortin-1 receptor gene in melanoma cells define structural determinants of receptor function doc
... rate-limiting enzyme in melanin synthesis, tyrosinase, is increased and skin pigmentation is promoted Melanin pigments are complex heteropolymers, which can be classified into two main groups: ... h before binding or coupling assays Radioligand binding assay Transfected cells were incubated (1 h, 37 °C) with increasing concentrations of [Nle4,D-Phe7]-aMSH (NDP-MSH, Sigma, Saint Louis, ... then washed twice with RPMI for at room temperature, and trypsinized The cell suspension was pipetted into plastic tubes and the associated radioactivity was measured Non-specific binding was estimated...
Ngày tải lên: 17/03/2014, 10:20
báo cáo hóa học:" Preclinical evaluation of dasatinib, a potent Src kinase inhibitor, in melanoma cell lines" pptx
... Effect of dasatinib on cell cycle arrest) Effect of dasatinib on invasion and migration The effects of dasatinib on invasion and migration were examined in two invasive cell lines, one dasatinib sensitive ... dasatinib in combination with chemotherapy was examined in the three dasatinib responsive cell lines, Lox-IMVI, HT144 and Malme-3M and in one of the dasatinib-resistant cell lines, Sk-Mel-28 In ... of dasatinib in melanoma cell lines observed in this study provide strong evidence for evaluation of dasatinib in clinical trials in melanoma patients Two clinical trials of dasatinib in melanoma...
Ngày tải lên: 18/06/2014, 15:20
báo cáo hóa học:" Validation of a HLA-A2 tetramer flow cytometric method, IFNgamma real time RT-PCR, and IFNgamma ELISPOT for detection of immunologic response to gp100 and MelanA/MART-1 in melanoma patients" doc
... (in a single assay) Intra assay precision is determined by % CV (coefficient of variation) as (SD/ Mean) × 100 tested multiple times by one analyst in a single assay Inter assay precision (Intermediate ... presenting cells, as well as cell function LOD and LOQ LOQ and LOD were determined by spiking IFNγ plasmid and internal control CD8 plasmid at various copy numbers (1 to 105) Each sample was measured ... numbers determined by analysts to assess accuracy and precision for intra assay (a single assay with 80 repeats) and inter assay (in 18 inter day runs) Expected value is the copy number used as PCR...
Ngày tải lên: 18/06/2014, 15:20
báo cáo hóa học:" Clinical values of multiple Epstein-Barr virus (EBV) serological biomarkers detected by xMAP technology" potx
... persistent infection without serious consequences in most of populations, but a number of documents showed that EBV infection was involved in many diseases, including Hodgkin's disease (HD) [4], gastric ... profiling assay and an enzyme-linked immunosorbent assay for serological examination of Epstein-Barr virus-specific antibody responses in diagnosis of nasopharyngeal carcinoma Clin Vaccine Immunol ... China and Southeast Asia [8], Burkitt's lymphoma (BL) in equatorial Africa and Papua New Guinea [9], nasal NK/Tcell lymphoma in Asia and Latin American [10] Generally, people infected by EBV...
Ngày tải lên: 18/06/2014, 15:20
Báo cáo sinh học: " Unusual presentation of hepatitis B serological markers in an Amerindian community of Venezuela with a majority of occult cases" doc
... genotype and cluster branching are shown in the tree Letters in bold indicate genotype and subgenotype Venezuelan HBV isolates circulating in other Amerindians populations were included, from the Orinoco ... OBI was shown in this Piaroa population, both in individuals with HBV serological markers and, with less frequency, in individuals with silent exposure to infection Follow-up analysis in 15 individuals ... in Nahuas and Huichol native populations from Mexico, and HBV genotype H was found in several cases [7] Three studies have reported a predominance of genotype A and particularly D in cases of...
Ngày tải lên: 18/06/2014, 18:20
Báo cáo sinh học: "Future perspectives in melanoma research. Meeting report from the "Melanoma Research: a bridge " doc
... with inhibitors such as nilotinib and dasatinib These are currently being studied in the phase III TEAM trial (nilotinib against dacarbazine in the treatment of metastatic and/ or inoperable melanoma ... IV, in a phase II trial as single agent in advanced unresectable or metastatic disease or in combination with chemotherapy (phase Ib/II trial of RO GSI in combination with cisplatin, vinblastine, ... has proven effective against NY-ESO1 in melanoma and synovial sarcoma patients and in at least one patient targeting CEA in colorectal adenocarcinoma Genetically retargeting T-cells by inserting...
Ngày tải lên: 18/06/2014, 19:20
Báo cáo sinh học: "Interferon signaling patterns in peripheral blood lymphocytes may predict clinical outcome after high-dose interferon therapy in melanoma patients" potx
... patients were classified as NED and exhibited no evidence of metastases at a minimum follow-up of 4.5 years In contrast, all of the MET patients developed metastatic disease within years and three ... Changes in Type I IFN responses from day to day 29 in clinical responders and non-responders We further investigated within the HDI-responding and non-responding patients on day and day 29 and examined ... were classified as exhibiting no evidence of disease (NED) or metastases (MET) The IFN-a induced fold change of pSTAT1 in melanoma patients’ lymphocytes and lymphocyte subsets were assessed in patients...
Ngày tải lên: 18/06/2014, 19:20
Báo cáo sinh học: "Combination therapy with vemurafenib (PLX4032/RG7204) and metformin in melanoma cell lines with distinct driver mutations" pdf
... was defined by a 50% inhibitory concentrations (IC50) over μM Single agent metformin inhibited cell proliferation in out of 11 BRAF V600E , and out of NRAS Q61 mutant cell lines, as well as in ... BRAFV600E and NRASQ61 mutant melanoma cell lines A time course experiment with M263 showed that this decrease was observed hours after treatment Since the metformin-induced increase in pACC was noted ... either singly or in combination, for 24 hours Protein phosphorylation was examined by Western Blot analysis and phosphospecific flow cytometry Blotting for total proteins and b-actin was used as a...
Ngày tải lên: 18/06/2014, 19:20
Báo cáo sinh học: "Immunological abnormalities as potential biomarkers in Chronic Fatigue Syndrome/Myalgic Encephalomyelitis" ppt
... a possible imbalance in Th1/Th2 response in CFS/ME characterised by a significant increase in IL-10 together with significant increases in IFN-g and TNF-a Such increases in IL-10 are suggestive ... populations has not been fully studied in CFS/ME Importantly, recent data on cytokine distribution in CFS/ME patients point towards an increase in pro-inflammatory cytokines suggesting the presence ... concentrations of cytokines were measured in pg/mL Both anti-inflammatory (IL-10) and proinflammatory (IFN-g, TNF-a) cytokines were increased in the CFS/ME group following mitogenic stimulation...
Ngày tải lên: 18/06/2014, 19:20
Báo cáo sinh học: " Biomarkers in T cell therapy clinical trials" potx
... and antagonists, as well as radio- and chemo -therapeutic agents Each of these product classes targets a physiological process in the tumor and/ or in the patient and has a well defined half-life, ... devoid of all known ligand-binding and signaling domains that can be co-introduced into human T cells and serve both a selection marker as well as a cell -surface tracking marker for adoptively ... levels, and was paralleled by robust in vivo expansion of CAR-modified cells and dramatic but transient increases in systemic levels for a number of pro-inflammatory cytokines and chemokines and...
Ngày tải lên: 18/06/2014, 22:20
báo cáo hóa học:" Interferon signaling patterns in peripheral blood lymphocytes may predict clinical outcome after high-dose interferon therapy in melanoma patients" pptx
... patients were classified as NED and exhibited no evidence of metastases at a minimum follow-up of 4.5 years In contrast, all of the MET patients developed metastatic disease within years and three ... Changes in Type I IFN responses from day to day 29 in clinical responders and non-responders We further investigated within the HDI-responding and non-responding patients on day and day 29 and examined ... were classified as exhibiting no evidence of disease (NED) or metastases (MET) The IFN-a induced fold change of pSTAT1 in melanoma patients’ lymphocytes and lymphocyte subsets were assessed in patients...
Ngày tải lên: 20/06/2014, 03:20
báo cáo hóa học:" Immunological abnormalities as potential biomarkers in Chronic Fatigue Syndrome/Myalgic Encephalomyelitis" potx
... a possible imbalance in Th1/Th2 response in CFS/ME characterised by a significant increase in IL-10 together with significant increases in IFN-g and TNF-a Such increases in IL-10 are suggestive ... populations has not been fully studied in CFS/ME Importantly, recent data on cytokine distribution in CFS/ME patients point towards an increase in pro-inflammatory cytokines suggesting the presence ... concentrations of cytokines were measured in pg/mL Both anti-inflammatory (IL-10) and proinflammatory (IFN-g, TNF-a) cytokines were increased in the CFS/ME group following mitogenic stimulation...
Ngày tải lên: 20/06/2014, 03:20