«
Then we cultured the cells in the presence of various drugs and screened for spontaneous drug - resistant mutants to isolate clones useful for symbiosis experiments.»
The team
then cultured the cells for several months in a bath of growth - promoting proteins, trying to get the cells to reverse course and become more like stem cells.
The team collected two small skin samples from each, and
then cultured the cells in the lab and inserted the gene that makes fireflies glow into the gene that regulates the cells» clock.
Not exact matches
[Perhaps the concept of «church - court» has moved to the openness of the Internet, and we all are now part of the greater «church court»... but
then again, I can only wonder how to implement the third step within a global
culture interconnected by the Internet,
cell phones, tweets, and videos....
If Christians believe that the church and the worship it offers to God ought in some ways to counter the norms and practices of the surrounding
culture,
then what does it mean that after spending so much of our time each week in front of computer monitors,
cell phones, and sports bar TVs, we come to church on Sunday and happily position ourselves in front of the biggest screen of all?
In giant vats, muscle and fat
cells will be
cultured then made into so - called «clean meat», without, if the technology progresses, a single animal having to die.
EGFR / WT and KO
cells were cultured overnight and starved for 24 h. Cells were treated with capsaicin (50 μmol / L) for 30 min and then TPA (20 ng / mL) for 2 h. Cells were lysed and cox - 2 mRNA levels were analyzed by RT -
cells were
cultured overnight and starved for 24 h.
Cells were treated with capsaicin (50 μmol / L) for 30 min and then TPA (20 ng / mL) for 2 h. Cells were lysed and cox - 2 mRNA levels were analyzed by RT -
Cells were treated with capsaicin (50 μmol / L) for 30 min and
then TPA (20 ng / mL) for 2 h.
Cells were lysed and cox - 2 mRNA levels were analyzed by RT -
Cells were lysed and cox - 2 mRNA levels were analyzed by RT - PCR.
The next step, Silber says, will be harvesting stem
cells from around a «spermless» man's testicles, introducing them into
cultures where the
cells multiply, and
then reimplanting those
cells in the man's testicles, which
then nurture them into fully mature sperm - producers.
Setton's lab exposed the hiPSCs to a variety of different growth factors and
culture media to coax them into first developing markers for, and
then fully forming into, notochord
cells.
The trophoblasts along with blood vessel
cells were added to small dextran beads that were
then spun around in a container filled with
cell culture fluid, creating shear stress and rotational forces to better mimic the environment at the maternal - fetal interface than static
cell -
culture systems.
The researchers
then examined a number of DNA variants in the protein production - control region of the bellwether gene in
cell cultures.
The team pumped around 50 million rat liver
cells into each of five bare scaffolds,
then incubated the organs in
culture for two weeks.
Researchers
then tested
cell cultures and mouse models by using a gene editing process called CRISPR - Cas9 to demonstrate how the presence or absence of myomaker and myomerger — both individually and in unison — affect
cell fusion and muscle formation.
They
then used fluorescent antibodies that bind specifically to the protein to trace the virus's interactions with various kinds of
cultured cells.
«It might be possible to grow these
cells in
culture then bank them so that if or when the mother develops some disease later in life, such as diabetes, her
cells may be defrosted and differentiated into pancreatic beta
cells,» says Lyle Armstrong of Newcastle University, UK, although he too, cautions that more tests are needed to determine exactly what these
cells are.
Under experimental conditions, the researchers
then demonstrated that elevated levels of elastase dramatically reduce the survival and operation of muscle stem
cells in
culture.
The
cells were put into a special
culture and
then suspended in a gel and stimulated by nutrients, all geared to turn them into neurons like those found in the cortex.
The researchers
then used a 3 - D
cell culture system to coax their mutant and healthy hPSCs down the differentiation pathway into becoming kidney progenitor
cells and finally the proximal tubule
cells found in kidney nephrons.
Zheng, together with Leah Boyer,
then a researcher in Gage's lab and now director of Salk's Stem
Cell Core, generated diseased neurons by taking skin
cells from patients with Leigh syndrome, reprogramming them into stem
cells in
culture and
then coaxing them to develop into brain
cells in a dish.
This was observed in human ovarian cancer
cells grown in
culture, and
then in mouse models of the disease.
Hayashi
then drew on other research showing that one key regulatory molecule (activin A) and a growth factor (basic fibroblast growth factor) could convert
cultured early embryonic stem
cells into
cells akin to epiblasts.
Then they
culture heart
cells near the junction of the head and the tail.
Working with researchers at Johns Hopkins University in Baltimore and the University of California, San Francisco, Hynes and Rosenthal
then tried adding different concentrations of Sonic hedgehog to
cultured brain
cells.
To make the vaccine, cancer
cells are harvested from a tumor after surgery and stripped of their proteins;
then those proteins are
cultured with dendritic
cells, a subclass of white blood
cells, drawn from the patient's blood.
Dendritic
cells are too large to pass through the blood - brain barrier, which is one reason they have to be
cultured with brain tumor
cells outside the body,
then injected back into the patient's skin as a vaccine.
But
then he observed the same halt in
cell division in other
cultures with different fetal tissues.
Hsiao and colleagues carefully gathered skin samples from donors, and
then grew the skin
cells in
culture before converting them into iPS
cells using the methods created by Yamanaka.
The researchers isolated the milk ducts and purified the breast - tissue
cells to create a
cell culture, which was
then tested for different gene regulation profiles.
Previously, research groups had to get approval for each project involving human ES
cells from their own Institutional Review Board (IRB) and
then from a national committee under the Ministry of Education,
Culture, Science, Sports, and Technology.
Hang and coworkers exposed the human
cells by first extracting the compounds from the paper with a
culture medium
then using the medium to
culture the human
cells for 24 hours.
«People have taken
cells and
then transformed them in
culture and stuck them into animals,» Pollard says.
Rather than stick the isolated
cells on a flat
culture dish, they mixed the
cells with liquid,
then let the mixture hang in tiny droplets from a plastic lid, like condensation on the roof of a container.
Adoptive
cell transfer procedures are mimicking exactly this process in a
culture dish by taking T
cells from patients, multiplying them, sometimes genetically modifying them, and
then returning them to patients so that they can, for example, locate and kill cancer
cells.
To determine whether endothelial
cells — the
cells that line the interior surface of blood vessels — directly influence breast cancer
cell growth, they
then created unique organotypic models of lung and bone marrow microvascular niches, in which endothelial
cells formed blood vessel - like structures in
culture as they would in the original organ.
To survey exactly which bacteria induced TH1
cells in the gut of the TH1 induced mice the researchers isolated and
cultured the microbes from the feces, and
then separately inoculated each microbe to germ - free mice.
The researchers report they were able to transform about one in 5,000
cells — enough to get several iPS
cells from a single
culture dish — and
then coax them to become nerve
cells or heart tissue on the benchtop.
They
then added eight or nine
cell types back onto the matrix and
cultured them for eight days.
Then, to test the notion that a CAG repeat could cause this nuclear clumping, the team inserted a shortened MJD gene containing a long CAG repeat (78 CAGs) into
cultured cells and watched the protein product migrate into the nucleus, aggregate there, and recruit the normal MJD protein into a tangle.
Wagers,
then a postdoctoral fellow in the Stanford University lab of stem
cell biologist Irving Weissman, spent a week in Verfaillie's lab in 2002 trying to learn to
culture MAPCs.
To do this, they incorporated the gene sequence of each receptor into
cultured cells and
then probed the
cells to determine if they were activated by one or more of 25 different bitter - tasting chemicals.
Then, by placing surface proteins of each HCV virus onto these pseudoviruses, the researchers were able to efficiently infect human
cells with the HCV strains in tissue
culture.
Critically, despite the detection of enhanced Zika infection in
cell culture models using antibodies from macaques previously exposed to either yellow fever or dengue and
then exposed to Zika, there were no signs of enhanced Zika infection seen in these macaques themselves.
They
then conducted biochemical analyses to identify neuroligin - 3, confirm that the protein could stimulate tumor growth in
cultured samples of several kinds of human high - grade gliomas and study which signals the protein uses within glioma
cells to promote their growth.
They tested the system on
cell cultures, and
then in live mice with breast cancer and mice with constricted arteries in their legs.
All it took to make pluripotent stem
cells, they reported, was briefly bathing blood
cells from newborn mice in a mildly acidic solution and
then tweaking the
culture conditions.
The scientists
then tried the proline / polyproline combination in a test system of adherent
cell cultures that were subjected to freeze - thaw conditions.
Lu's team
then cultured the edited
cells, increasing their number, and injected them back into the patient, who has metastatic non-small-cell lung cancer.
They exposed the
cells to proteins associated with TB and
then analyzed the
cell culture for expression of certain cytokines.
They
then combined these in a dish with testicular
cells from newborn mice in various
culture conditions — a process that took hundreds of trials, says author Xiao - Yang Zhao, a stem
cell biologist now at Southern Medical University in Guangzhou, China.
Their method relied on briefly bathing blood
cells from newborn mice in a mildly acidic solution and
then tweaking
culture conditions to produce stem
cells.