Goats as Drug Factories Initially, GTC generated transgenic goats by microinjecting into the developing nucleus of a one - cell embryo a gene encoding the desired human protein (along with DNA that promotes
activation of that gene in milk).
«We generated DNA sequences consisting of the gene, either MIZ1 or SnRK2.2, with different «switches» to control
the activation of the gene in specific layers of the root,» Nottingham's Daniela Dietrich explains to New Atlas.
Not exact matches
Additionally, turmeric has been shown to act on the liver to regulate epigenetic (
activation of genes) and enzymatic factors that all work together to stabilize blood sugar and triglyceride levels
in people with diabetes.
Xie et al. report that STING (stimulator
of interferon
genes)-- the main adaptor
in several DNA - sensing pathways — is mutated
in bats at the serine - 358 residue, which is critical for downstream interferon (IFN)
activation.
In a common subtype
of acute myeloid leukemia, this abnormal
activation of such self - renewing
genes is apparently caused by structural modifications
of the DNA packaging.
This action can result
in the
activation of genes that had been switched off, and could be the cause
of the recovery
of synaptic strength.
Yet,
in this plant (as well as
in certain conifers), the researchers found
genes similar to those responsible for the formation
of flowers, and which are organized according to the same hierarchy (with the
activation of one
gene activating the next
gene, and so on)!
«
In contrast to RNA interference, which is commonly used to inactivate
gene activity, the CRISPR - on system allows
activation of cellular
genes.
Gene activation was also reversed
in the oocytes
of TGF - β mutants.
She still does not know why he considered her at the time — «Maybe it was just my enthusiasm,» she wonders — but he nonetheless became her mentor as she studied the transcriptional
activation of the cell - cycle regulated HO
gene in the yeast Saccharomyces cerevisiae.
They found that
gene expression is different at 209 sites
in chronically lonely people and that many
of those changes fit a pattern
of elevated immune
activation, inflammation, and depressed response to infection.
Murphy found that the normal pattern
of gene activation seen
in aging wild - type C. elegans was reversed
in the body cells and oocytes
of IGF - 1 mutants.
The scientists have shown that,
in all cancers, an aberrant
activation of numerous
genes specific to other tissues occurs.
This program, resulting
in shorter 3 ′ UTRs, is a characteristic
of gene expression during immune cell
activation and correlates with proliferation across diverse cell types and tissues.
The researchers used valproic acid which can induce the
activation of such deactivated
genes in fungi.
In the paper, the researchers illustrate how it could influence proteins that activate the transcription factors that transcribe major bone - related
genes to drive bone formation — showing a link between metabolite usage and
activation of transcription factors.
The theory holds that histone proteins, which combine with DNA to form chromosomes, are more intimately involved
in gene expression than their general role
of facilitating or hindering
gene activation suggests.
The aberrant and ongoing
activation of ERVs caused an accumulation
of retroviral proteins
in the affected cells and deregulation
of genes and pathways.
Trithorax - like group complex containing KDM6A acts antagonistically to Polycomb - repressive complex 2 (PRC2) containing EZH2
in maintaining the dynamics
of the repression and
activation of gene expression through H3K27 methylation.
«The discovery
of these aging hot spots
in the genome lets us assume that the
genes within these regions are somehow coordinated
in their
activation or de-
activation,» comments Alessandro Cellerino.
Activation of NOTCH1 by blood flow causes a domino effect, triggering numerous other
genes in the network to turn on or off, resulting
in suppression
of inflammation and calcification.
The research suggests that reducing production
of the protein, called myoferlin, affects cancer cells
in two primary ways: by changing the
activation of many
genes involved
in metastasis
in favor
of normal cell behavior, and by altering mechanical properties
of cancer cells — including their shape and ability to invade — so they are more likely to remain nested together rather than breaking away to travel to other tissues.
Kaufman and colleagues engineered the fish so that individual cells would light up
in fluorescent green if a
gene called crestin was turned on — a «beacon» indicating
activation of a genetic program characteristic
of stem cells.
The team recently received an internal campus grant to use the method to control
gene activation in specific regions
of the brain.
The researchers tested whether HDACis, which promote long - lasting
activation of genes involved
in learning and memory, could help replace old traumatic memories with new memories.
In fact, there are two specific mechanisms for activation of BRAF implicated in PA formation: by fusion of the gene with nearby gene KIAA1549 (K: B fusion) or by point mutations of the BRAF gene itsel
In fact, there are two specific mechanisms for
activation of BRAF implicated
in PA formation: by fusion of the gene with nearby gene KIAA1549 (K: B fusion) or by point mutations of the BRAF gene itsel
in PA formation: by fusion
of the
gene with nearby
gene KIAA1549 (K: B fusion) or by point mutations
of the BRAF
gene itself.
In mice that gorged and then fasted, the researchers saw elevations in inflammation, higher activation of genes that promote storage of fatty molecules and plumper fat cells — especially in the abdominal area — compared to the mice that nibbled all da
In mice that gorged and then fasted, the researchers saw elevations
in inflammation, higher activation of genes that promote storage of fatty molecules and plumper fat cells — especially in the abdominal area — compared to the mice that nibbled all da
in inflammation, higher
activation of genes that promote storage
of fatty molecules and plumper fat cells — especially
in the abdominal area — compared to the mice that nibbled all da
in the abdominal area — compared to the mice that nibbled all day.
Because the precise
activation of Hox
genes is essential for a cell's fate, «the research should prove extremely useful
in developing novel embryonic stem cell - based therapies, Mazzoni adds.
This pharyngeal
gene cluster contains six
genes ordered
in a common pattern
in all deuterostomes and includes the
genes for four proteins that are critical transcriptional regulators that control
activation of numerous other
genes.
What Litvak found is that the MeCP2
gene is responsible for establishing a threshold for the
activation of macrophages
in the presence
of stimuli and stressors such as hypoxia, corticosteroids and inflammation.
The analysis also showed that the preponderance
of host responses shifted rapidly from
activation of genes involved
in cell damage and inflammation toward those linked to promotion
of cellular and organ repair.
In trying to understand the sequential
activation of the Hox - D
genes, Duboule has come up with the novel idea that the timing is linked to the arrangement
of the
genes within the clusters.
Rutgers University scientists have discovered the three - dimensional structure
of a
gene - specific transcription
activation complex, providing the first structural and mechanistic description
of the process cells use to turn on, or activate, specific
genes in response to changes
in cell type, developmental state and environment.
Concurrently, this dermal cell aggregation triggers the mechanosensitive
activation of β - catenin
in adjacent epidermal cells, initiating the follicle
gene expression program.
Analysis
of daily
gene activation in a patient with severe Ebola virus disease cared for at the National Institutes
of Health (NIH)
in 2015 found changes
in antiviral and immune response
genes that pinpointed key transition points
in the response to infection.
«The paper provides a dazzling snapshot
of the process
of transcription
activation — the process whereby a
gene is turned on
in response to an instructive signal from the environment,» said Ann Hochschild, professor
of microbiology and immunobiology at Harvard Medical School, who also was not part
of the study.
Using
gene therapy to insert the
gene, they expressed the synthetic
gene in adult mice or
in zebrafish embryos, and witnessed remote
activation of neurons the presence
of a magnetic field through the altered behavior
of the animals.
The resulting papers published
in Nature all tell similar stories
of shared evolution between species — for instance, the commonalities
of regulatory networks
of genes and the transcription factors that control their
activation.
The investigators also measured
gene expression
of postvaccinated cervical cells
in three
of the patients and found increased expression
of several
genes (CXCR3, Tbet and IFNβ) associated with
activation of the immune system.
«
In that way, we followed changes in the pleura throughout disease development, observing stages of chronic inflammation, activation of pro-oncogenic signaling pathways, and eventually inactivation and / or loss of genes that are the gatekeepers of cancer development,» MacFarlane say
In that way, we followed changes
in the pleura throughout disease development, observing stages of chronic inflammation, activation of pro-oncogenic signaling pathways, and eventually inactivation and / or loss of genes that are the gatekeepers of cancer development,» MacFarlane say
in the pleura throughout disease development, observing stages
of chronic inflammation,
activation of pro-oncogenic signaling pathways, and eventually inactivation and / or loss
of genes that are the gatekeepers
of cancer development,» MacFarlane says.
The infection rapidly turned on a wide range
of genes involved
in immune system
activation and cell death, they conclude, bolstering the hypothesis that the greatest harm may not have been done by the virus itself, but by an over-reactive immune system.
In fact, these proteins can both repress and facilitate
activation of many
genes
These and other daily rhythms are thought to be driven by oscillations
in the
activation of «morning
genes» and «evening
genes.»
The researchers also compared patterns
of gene activation in organoid cells to a database
of human brain genetic information.
Profiling the expression patterns
of host
genes revealed that the insect significantly increases the abundance
of B vitamin transporters and
activation enzymes when reared
in the absence
of its gut microbes.
Originally, however, they were not examining brown fat thermogenesis, but instead were looking for clues to the function
of ERRβ, a protein about which little was known at the time, except that it was closely related to ERRα, appeared
in brown fat cells, and also worked as a so - called nuclear receptor — a molecular switch for
gene activation that can be turned on by small lipophilic molecules or a signaling protein partner.
The «epi - marks» that adjusted parental
genes to resist excess testosterone, for example, may alter
gene activation in areas
of the child's brain involved
in sexual attraction and preference.
Using
gene therapy to insert the
gene, they expressed the synthetic
gene in adult mice or
in zebrafish embryos, and witnessed remote
activation of neurons
in the presence
of a magnetic field through the altered behavior
of the animals.
A joint study by University
of Colorado Cancer Center and Memorial Sloan Kettering Cancer Center published
in the Journal
of Thoracic Oncology shows two distinct causes
of HER2
activation in lung cancer: mutation
of the
gene and amplification
of the
gene.
In addition to reevaluating how histones control
gene activation, the study also reports a new mechanism
of PARP1 regulation.