And you need to
express the gene in cells or bacteria before you can make large quantities of its protein product.
I have seen many datasets where any of these genes are the top 3 - 4 most highly
expressed genes in a cell.
Not exact matches
This approach revealed a highly sensitive portrait of the
genes being
expressed in human milk - making
cells.
The scientists discovered that the two sides of the
cell differ
in the composition of messenger RNA, or mRNA: About 30 percent of the
genes expressed in the intestines produced mRNAs that appeared either on one side of the
cell or on the other.
«
In addition, changes in how the genes are expressed (turned on or off) could be used in the future to predict how and when the cancer cells will spread to other parts of the body and how fast they will grow.&raqu
In addition, changes
in how the genes are expressed (turned on or off) could be used in the future to predict how and when the cancer cells will spread to other parts of the body and how fast they will grow.&raqu
in how the
genes are
expressed (turned on or off) could be used
in the future to predict how and when the cancer cells will spread to other parts of the body and how fast they will grow.&raqu
in the future to predict how and when the cancer
cells will spread to other parts of the body and how fast they will grow.»
«We think that these
genes, which are normally only
expressed in the placenta to facilitate invasion, are becoming reactivated
in cancer
cells and supporting invasion
in this context too,» she says.
Multi-nucleus
cells expressing genes needed to form skeletal muscle can be seen
in flower - like clumps forming as
cells fuse together.
The scientists also generated a panel of (reconstructed) ancestral and existing TRIM5
genes (19 total),
expressed them
in cultured
cell lines, and exposed the
cells to 16 different retroviruses (lentiviruses and others) to see which TRIM5 versions conferred resistance to which viruses.
«The fact that a [
cell] culture
expresses most
genes present
in the brain says nothing about its appropriateness as a disease model,» says Knoblich.
A team led by Byeong - Chun Lee of Seoul National University
in South Korea created the dogs by cloning fibroblast
cells that
express a red fluorescent
gene produced by sea anemones.
Another is to change the number of
expressed copies of a
gene in each
cell.
Since
genes for the T -
cell receptor beta chain were previously shown to be on mouse chromosome 6, all three of the Ig - like multigene families
expressed and rearranged
in T
cells are located on different chromosomes, just as are the B -
cell multigene families for the Ig heavy chain, and the Ig kappa and lambda light chains.
The findings by a team of Massachusetts General Hospital (MGH) investigators, which will be published
in the April 24 issue of
Cell and are receiving advance online release, support the importance of epigenetics — processes controlling whether or not
genes are
expressed —
in cancer pathology and identify molecular circuits that may be targeted by new therapeutic approaches.
Monitoring mRNA could tell scientists a great deal about which
genes are being
expressed in a
cell, and tweaking the translation of mRNA would allow them to alter
gene expression without having to modify the
cell's DNA.
Then they linked the drug sensitivity of the tumor
cells to the profile of
genes expressed in those
cells.
«With Rudolph,» Farber says, «the coral DNA got inserted into a
gene that is normally
expressed in the nasal epithelial
cells, the
cells of his nose.
«Taken together, these results support the hypothesis that multiple myeloma
cells express bone - related
genes in a Runx2 - dependent fashion that mimics bone marrow resident
cells and likely contributes to tumor survival and growth
in the bone microenvironment,» Yang and colleagues wrote
in the paper.
To test that idea
in the ragworm, Tomer used a technique he had developed to examine the complex brains of small creatures with unprecedented clarity: He created a high - resolution map of the worm's brain
cells according to the
genes they
express, not just their shape and location.
The team found that brown fat
cells express the ERRγ
gene all the time (not just
in response to cold) and that white fat
cells do not
express the
gene at all.
The scientists have shown that,
in all cancers, a sort of «identity crisis» is observed
in cancerous
cells:
in the organs or tissues
in which a tumor develops,
genes specific to other tissues or to other stages of the development of the organism
express themselves
in an aberrant manner.
By tallying the various RNA molecules
in a
cell, researchers can tell which
genes are active — or «
expressed» — and to what degree.
Now, for the first time, scientists from Harvard Medical School have managed to «listen
in» on the crosstalk between individual microbes and the entire cast of immune
cells and
genes expressed in the gut.
Now, two UCLA researchers have come up with a computational tool that increases the reliability of measuring how strongly
genes are
expressed in an individual
cell, even when the
cell is barely reading certain
genes.
Bacteria
expressing enzyme
in one
cell (bright green), while genetically identical
cells do not, remaining protected from antibiotic onslaught; image courtesy of Yuichi Wakamoto / Neeraj Dhar / John McKinney Some strains of nasty bacterial infections, such as MRSA (methicillin - resistant Staphylococcus aureus), come loaded with resistance to antibiotics built right into their
genes.
«Animal
cells have to «remember» that they must
express genes in specific ways.»
Among all the
genes that control endocytosis, the authors of the study focused specifically on one, called RAB7; this
gene is highly
expressed in melanoma
cells.
In 1994, scientists first realized that putting the EGFP
gene into
cells made them glow green, making it possible to easily visualize them: ever since, scientists have generated thousands of living systems with EGFP, including EGFP -
expressing viruses and EGFP -
expressing cancer
cells.
The team also found that ERAS, a tumorigenic
gene expressed in mouse embryonic stem
cells and iPSCs, was mutated and dysfunctional
in the mole - rat iPSCs.
Living
cells express genes involved
in physiological functions like development and metabolism via complex mechanisms.
The
gene for vasa is
expressed in cells at every stage of development, Tilly says.
Researchers from the Eaton - Peabody Laboratories of the Massachusetts Eye and Ear and Harvard Medical School have created a new mouse model
in which by
expressing a
gene in the inner ear hair
cells — the sensory
cells that detect sound and sense balance — protects the mice from age - related hearing loss (ARHL) and noise - induced hearing loss (NIHL), the two most common forms of deafness.
They then used next generation sequencing — a state - of - the - art method to rapidly measure
gene expression — to sequence and quantify the thousands of
genes that are
expressed in hair
cells,
in comparison with other
cells in the ear.
You need to sequence the
gene before you can
express it
in cells.
«There are
genes and proteins that are
expressed in a
cell and their activity, or expression level, changes with time of day,» explained St. John.
When a
cell in your body
expresses a
gene, it produces a specific protein.
While all
cell types share the same genetic code (DNA), certain
genes are specifically «
expressed» or «silenced»
in each
cell type.
The team reports that the adenomas grow from
cells that
express a
gene called Lgr5 +, which is also active
in normal intestinal stem
cells.
Already, we see that
cells from people with bipolar disorder are different
in how often they
express certain
genes, how they differentiate into neurons, how they communicate, and how they respond to lithium,» says Sue O'Shea, Ph.D., the experienced U-M stem
cell specialist who co-led the work.
With regard to taste, the findings will allow researchers to create a complete map of all the
genes expressed in every type of taste
cell within a taste bud, leading to a better understanding of how the taste system works.
Specifically, the bipolar neurons
expressed more
genes for membrane receptors and ion channels than non-bipolar
cells, particularly those receptors and channels involved
in the sending and receiving of calcium signals between
cells.
Lymphocytes
in the grafts of undifferentiated iPS
cells were also
expressing relatively high levels of
genes known to be involved
in hostile immune responses.
HDAC3 functions on the epigenome, the molecular component of the
cell nucleus that specifies which
genes are
expressed — and just as importantly, which ones are not —
in different
cells of the body.
In contrast, lymphocytes in both types of endothelial cell grafts expressed higher levels of genes known to be involved in dampening the immune response and inducing self - toleranc
In contrast, lymphocytes
in both types of endothelial cell grafts expressed higher levels of genes known to be involved in dampening the immune response and inducing self - toleranc
in both types of endothelial
cell grafts
expressed higher levels of
genes known to be involved
in dampening the immune response and inducing self - toleranc
in dampening the immune response and inducing self - tolerance.
Wellcome Trust Sanger Institute scientists and their collaborators have developed a new analysis tool that was able to show, for the first time, which
genes were
expressed by individual
cells in different genetic versions of a benign blood cancer.
But mounting evidence implicates the immune system
in the overproduction of
cell - signalling molecules called cytokines, which stimulate skin
cells called keratinocytes to
express genes that maintain an inflammatory microenvironment.
Single -
cell mouse embryos were infected
in vitro with recombinant lentiviral vectors to generate transgenic mice carrying the green fluorescent protein (GFP)
gene driven by a ubiquitously
expressing promoter.
«The
cells in our bodies share the same
genes and DNA sequences, and differ only
in how these
genes are
expressed,» Bose said.
«Because many broadly
expressed genes that play key roles
in essential cellular functions are under the control of
cell - specific enhancers, the ability to affect enhancer function by knocking down eRNAs could potentially provide a new strategy for altering
gene expression
in vivo
in a
cell - specific manner,» said Glass, noting that
in his research, anti-sense oligonucleotides were developed
in conjunction with Isis Pharmaceuticals, which suppressed enhancer activity and reduced expression
in nearby
genes.
The ELH
genes are
expressed, not only
in the bag
cells, but
in an extensive system of neurons distributed
in four of the five ganglia of the central nervous system.
They found that the number of copies of lncRNA
genes on a chromosome consistently change
in 12 different cancer types and lncRNA
genes are widely
expressed in cancer
cells.