The Tissue Platform workgroup within autoimmune inflammatory diseases at Karolinska Institutet studies the effects of probes
in cell assays relevant for the diseases we study, ie systemic lupus erythematosus, idiopathic inflammatory myositis, systemic sclerosis and inflammatory bowel disease.
Not exact matches
• NanoCellect Biomedical, a San Diego - based developer of microfluidic
cell sorting technologies for
cell - based
assays, raised $ 10 million
in series B funding.
The ability of SIF - seq to use reporter
assays in mouse embryonic stem
cells to identify human embryonic stem
cell enhancers that are not present
in the mouse genome opens the door to intriguing research possibilities as Dickel explains.
Richard Jones, M.D., professor and director of the Bone Marrow Transplant Program at Johns Hopkins, developed a now commonly used
assay to study ALDH levels
in individual
cells.
Years ago W.U.'s Holtzman and former colleague Marc Diamond, who has since moved to the University of Texas Southwestern Medical Center, identified tau - binding antibodies that slow the spread of toxic tau clusters
in a lab
assay using cultured
cells.
Cell assays and animal studies suggest that drugs that restore p53's activity work with not just one mutant form of the protein, but many, says Alan Fersht, a chemist at the University of Cambridge
in the United Kingdom.
Stagljar and his colleagues also applied the new technology, which they dubbed MaMTH (for Mammalian - Membrane Two - Hybrid
assay), to identify a protein that plays a role
in the most common form of lung cancer called non-small
cell lung cancer.
«There's a large amount of validation to ensure specificity of the antibodies and to make sure that the antibody is actually recognizing the intended target,» says Craig M. Thompson, director of production and molecular
assays, with
Cell Signaling Technology (CST), located
in Danvers, Massachusetts.
In the new study, Bohn's group used
cell signaling
assays on a library of µ - receptor - activating compounds to find a few with hints of a bias toward G - protein signaling.
The ability to automate morphology
assays on 3D
cell cultures is a powerful tool, but some scientists are now pushing the technology even further, with algorithms that can classify structures
in living animals and clinical specimens.
Every invaded
cell in this
assay is colored green and the
assay showed that the
cells on the left, lacking Id4, invaded much more than the
cells on the right
in which there was forced expression of Id4.
Invasion
assays using Glioblastoma (GBM)
cells on the left lacking Id4,
in comparison to the same
cells being genetically engineered to express Id4 on the right.
An antibody that works well for Western blots on denaturing gels, for example, should not be presumed to work equally well
in nondenaturing
assays such as fluorescence - activated
cell sorting.
Testing the effectiveness of this molecule
in their VLP
assay, they found that it reduced the ability of the virus to bud off from human
cells in culture by more than 90 percent and was similarly effective against proteins found
in Ebola and HIV.
He has worked
in the biotech industry as a research scientist for over 11 years with a focus on emerging technologies including gene targeting
in mice, molecular analysis of transgenes using GFP variants at the single
cell level, and developing flow cytometry reagent kits to speed up
assay development time for researchers.
The
assay can measure the lag times and growth rates of as many as 80,000 individual microcolonies
in a single 24 - hour experiment, opening up a powerful new high - throughput tool to study the complex interplay between
cell growth, division and metabolism under environmental conditions that are likely to be ecologically relevant but had previously been difficult to study
in the laboratory.
We have been using
cell culture models and zebrafish as an
assay to determine the effects of BMP on signaling, but we also want to be able to understand what the effect of the mutation is
in the tissue and organ systems.
A quantitative
assay of the suppressor tRNA activity
in these mammalian
cells is described; it is based on the amount of tRNA - mediated readthrough of a terminating codon
in the influenza virus NS1 gene after the
cells are infected with virus.
This surface protein, which has not yet been named, also binds to normal PrP both
in protein
assays and
in cell cultures.
In one of the
assays, the
cells with intact membranes produce a key enzyme, which indicates that they are alive.
Both
assays (for translation enhancement and internal ribosomal initiation) were validated under
cell - free conditions and
in human
cells, using a vaccinia virus vector.
They sent soil samples for DNA testing, looking for matches with particular genes known to be found
in microbes and fungi; they tried to stimulate microbial growth on a wide variety of substances and then count the
cells produced; and they used highly sensitive radiorespiration activity
assays, which involve feeding the soil microorganisms a food source which has been labelled with radioactive carbon, which can then be used to detect if the microorganisms are active.
An example of these tools
in our lab is the characterization and use of halide - sensitive variants of GFP to screen for activators and inhibitors of CFTR
in cell - based
assays.
Whereas
in the past
assays were predominantly
in vitro using purified components, there is now a realization that
cell - based, high - content
assays are a more productive path.
Using genetic techniques, the Imperial team knocked out the Hhat function
in pancreatic cancer
cells and, as they hoped, the cancer
cells showed substantially reduced growth and ability to spread
in a test - tube
assay.
Dr. Weston now leads a team of researchers
in the design and implementation of high throughput,
cell - based
assays including high - content screening.
«The basic
assays for repeat number, methylation status, and the number of uninterrupted repeats cost less than $ 5, the mark typically considered the threshold for population - based screening,» said Bruce Hayward, PhD, a Senior Research Fellow
in the Laboratory of
Cell and Molecular Biology and the report's first author.
Oxnard, working with researchers from the Belfer Institute for Applied Cancer Science at Dana - Farber, had recently developed an
assay to detect and quantify EGFR mutations
in cell - free DNA.
In vitro chondrogenesis assays demonstrated that the R206H ACVR1 mutation can stimulate progenitor cells to differentiate to cartilage in concert with the appropriate cell environment and differentiation factors and that this mutant receptor activates BMP signaling constitutively without BMP stimulatio
In vitro chondrogenesis
assays demonstrated that the R206H ACVR1 mutation can stimulate progenitor
cells to differentiate to cartilage
in concert with the appropriate cell environment and differentiation factors and that this mutant receptor activates BMP signaling constitutively without BMP stimulatio
in concert with the appropriate
cell environment and differentiation factors and that this mutant receptor activates BMP signaling constitutively without BMP stimulation.
In this study, researchers identified one microRNA (MIR548K) encoded in this region, and found it was characterized as a novel oncogene and functional assays which demonstrated that MIR548K enhances malignant phenotypes of ESCC cell
In this study, researchers identified one microRNA (MIR548K) encoded
in this region, and found it was characterized as a novel oncogene and functional assays which demonstrated that MIR548K enhances malignant phenotypes of ESCC cell
in this region, and found it was characterized as a novel oncogene and functional
assays which demonstrated that MIR548K enhances malignant phenotypes of ESCC
cells.
Together the stable disruption of CXCR4 as determined by both the surveyor nuclease
assay and flow cytometry suggests that CXCR4 disruption did not negatively impact
cell viability or growth
in humanized NSG mice over a two - month period.
The tiers range from computer - based approaches and
cell assays to tests
in fish and mammals.
Independently of Smads, BMP signaling also activates the p38 MAPK pathway (32 — 34); however, additional
assays in COS - 7
cells showed no increase
in p38 MAPK phosphorylation
in response to ACVR1 (R206H)(data not shown).
However, chondrogenesis
assays in chick micromass cultures showed that enhanced signaling by the mutant R206H ACVR1 can be partially inhibited by the BMP antagonist Noggin, suggesting that
in addition to BMP - independent activity by the R206H ACVR1 receptor, this mutant receptor is also responsive to BMP, consistent with previous BMP signaling pathway studies that used
cells derived from FOP patients (48 — 50).
C. Geminin / Ki67
assay to assess
cell cycle arrest
in vivo.
At 48 hours,
cells were washed twice with PBS and lysed
in 1 × passive lysis buffer (Dual - Luciferase Reporter
Assay, Promega).
Next, because KLF4 is involved
in self - renewal of stem
cell, we also examined the effect of both miR - 7 and KLF4 on proliferation of CSCs by MTS
assay and found that miR - 7 was capable of blocking the growth of CSCs, whereas ectopic expression of KLF4 significantly mitigated this effect of miR - 7 (Fig. 4C).
Using
cell culture
assays and genetically modified mice, we identified a number of signaling proteins that participate
in muscle plasticity.
UNISI provides expertise
in the measurement of
cell signalling proteins, such as cytokines, chemokines and inflammatory biomarkers
in multiple samples (including serum, plasma and tissue culture supernatants), using a multiplex suspension array system or a flow cytometric bead
assay.
The Molecular Screening and Protein Expression Shared Resource fosters collaboration by providing expertise
in biochemical and
cell - based
assay development for high - throughput screening and compound profiling.
Once developed, the
assays will be used to analyse
in vitro cytokine and chemokine induction, e.g. to compare different versions of a vaccine, or the same vaccine produced
in different host
cells, or different batches of a vaccine to demonstrate batch - to - batch reproducibility.
We focus more specifically on: (A) GMP translations of CTP production and Quality Control
assay development to evaluate such production (
in collaboration with Roslin
Cells, UK).
It is also pointed out that donor age (beyond 45 years
in the alkaline phosphatase - linked BrdU
assays) may also have limited the human wounding response (
cell division)
in the corneal periphery.
In order to determine whether cell division occurred in either the periphery of the corneal endothelium following mechanical wounding or at the site of the wound itself, corneas were tested with the AP - BrdU assa
In order to determine whether
cell division occurred
in either the periphery of the corneal endothelium following mechanical wounding or at the site of the wound itself, corneas were tested with the AP - BrdU assa
in either the periphery of the corneal endothelium following mechanical wounding or at the site of the wound itself, corneas were tested with the AP - BrdU
assay.
The
in vitro boosted effector
cells were washed once with HBSS and then resuspended
in CRPMI and used as effector
cells in the cytotoxicity and apoptosis
assays (below).
The role of DN T
cells in corneal allograft rejection was confirmed
in two separate
in vitro
assays in which CD8 −
cells were isolated from CD4 KO donors that had rejected corneal allografts and were found to induce apoptosis of donor - specific corneal
cells.
The
assay will be validated against clinical outcomes
in human vaccine studies (correlates of protection such as neutralising antibodies or vaccine - induced protection
in human challenge models, or exploratory correlates such as multifunctional Th1
cells).
Importantly, researchers have the ability to carry out
assays and screens directly
in primary
cells.
The presence of the male - specific SRY sequence was analyzed using a kinetic quantitative ELISA PCR
assay that allows detection of one to three male
cells in one million female
cells.
The level of fluorescence you saw
in the validation
assay should give an accurate indication of how many pups will contain a mutation and many of the mice with the mutation will be homozygous for it
in every
cell; however, if the microinjection was done as the pronuclei were fusing, you may have several mosaic mice.