As important genes are identified for de-extinction, the researchers can attempt to edit them into the Woolly Mammoth
cell lines growing at the Church Lab.
The majority of
cell lines growing at the permissive temperature (33 °C) underwent an initial population doubling within 48 h.
All human
cell lines growing in tissue culture dishes, and about 95 % of cells in a human being, split evenly, resulting in daughter cells of equal size.
Capsaicin additionally produced a significant deceleration of the development of prostate tumors created simply by those human
cell lines grown in mouse models.
By functionally linking the signal transduction of melanopsin to the control circuit of the nuclear factor of activated T cells, we have designed a synthetic signaling cascade enabling light - inducible transgene expression in different
cell lines grown in culture or bioreactors or implanted into mice.
Researchers believe it is the largest epigenetic study yet for any single cancer type and, importantly, the first to use a large cohort of primary patient tumor tissues instead of
cell lines grown in the laboratory.
It also works in cells taken directly from human patients, which are usually much more difficult to manipulate than human
cell lines grown specifically for lab research.
From a biologist's standpoint, this is a really unique thing, as we don't usually know who is behind
the cell lines we grow in the lab.
Stem
cell lines grown in the lab provide scientists with the opportunity to «engineer» them for use in transplantation or treatment of diseases.
Not exact matches
Where is the clear
line in a progression from (1) using animal insulin to treat diabetes, to (2) using gene remodeling techniques to
grow insulin in a host bacterium that will reproduce rapidly and from which a plentiful supply of insulin can be harvested, to (3) genetic surgery to replace the defective gene in a person diagnosed as diabetic, to (4) genetic surgery immediately after fertilization in order to replace the defective gene and alter the germ
cells which would otherwise have transmitted the disease to one's offspring?
Newborns typically have loose junctures between the
cells of the stomach
lining, so during the first few months of life, these junctures
grow tighter as your baby's protective tummy barrier matures.
Endometriosis occurs in women when
cells from the
lining of the womb
grown in other areas of the body.
If the egg gets to the uterus and is fertilized by a sperm
cell, it may plant itself in that
lining and
grow into a baby.
As well as allowing the use of stem
cells grown from established
cell lines, the technology could enable the creation of improved human tissue models for drug testing and potentially even purpose - built replacement organs.
For instance, a
growing number of households no longer have land
lines, but rely on their
cell phones instead.
Introducing human prostate cancer
cell lines into mice, Wu and his colleagues saw a particular enzyme called MAOA activate a cascade of signals that made it easier for tumor
cells to invade and
grow in bone.
To create the effect of tobacco smoke on
cells, Vaz, Baylin and their colleagues began their studies with human bronchial
cells, which
line the airways of the lungs, and
grew them in a laboratory.
In addition, where
cells derived from embryonic stem
cells are great at proliferating — a potentially critical feature if one wants to
grow sufficient numbers of
cells for clinical use — ones from the iPS
lines were much feebler.
Doing this in bacteria or
cell lines used for
growing chemicals would be of huge importance to industry, where viral infections can shut down entire production
lines.
In a new study published in the journal Development, the KU Leuven researchers show that individual or small groups of
cells from uterus biopsies can be made to
grow into three - dimensional structures that show many of the features of the womb
lining, including the ability to produce mucus.
Finally, the team
grew the tissue in a three - dimensional system, which coaxed it into forming all the structures found in gut tissue, including the finger - like villi that protrude inwards to increase surface area, and recesses called crypts containing the intestinal stem
cells that renew the gut
lining weekly (Nature, DOI: 10.1038 / nature09691).
As other researchers asked for samples, the
cells replicated,
grew, and proliferated so wildly that they often took over and wiped out
cell lines of any kind with which they happened to come in contact.
«We believe an overwhelming number of these altered
cells reach the
lining of the abdominal cavity, survive and
grow,» Bulun said.
He and two colleagues then used spleen
cells from the animal to
grow 43
cell lines.
The bacteria are full of shiny white globules of sulphur and
grow in long
lines of single
cells, making them look like a string of pearls.
With the help of my colleagues I started
growing retroviral vector - containing plasmids in bacterial cultures, isolating the plasmid DNA and transfecting special producer
cell lines with these plasmids.
Now, researchers in Europe report they can get new
lines from «arrested» embryos — early embryos that have ceased to develop but that contain individual
cells that can be induced to
grow separately.
Part of the trouble is the ingredients: Subtle variations in tissue - culture chemicals and Matrigel, or in different stem
cell lines and how they are
grown first in 2 - D culture, can have a big impact on how the organoids turn out, Novitch says.
One idea is to
grow a
cell line from a single
cell removed from an early embryo, leaving the rest of the embryo intact.
If it is blocked, the cancers in
cell line studies and in animals just stop
growing — which is really quite striking.»
It performs this critical service in embryonic development,
growing organisms and in a few specialized adult
cell lines, including stem
cells.
To test their hypothesis, the researchers carried out experiments on human melanoma
cells, a
line of cancer
cells they chose for their ability to
grow easily and quickly.
In studies of laboratory -
grown human tumor
cell lines, the drug disrupted tumor
cell division and prevented growth of advanced cancer
cells.
To do this, they switched from using dead tumour
cell samples to patient - derived tumour
cell lines, in which fresh samples of a person's tumour are grafted onto mice and
grown to the required volumes.
Scientists have already reported progress in
growing precursor
cells for eggs and sperm from both iPS and embryonic stem
cell lines.
The study used a well - known
line of pancreatic cancer
cells (AsPC - 1) in the laboratory and assessed how well this
grew when treated with either the chemotherapy drug gemcitabine or different levels of commercially available chokeberry extract alone, and when treated with a combination of gemcitabine and chokeberry extract.
Malaria parasites
grow in red blood
cells and stick to the endothelial
lining of blood vessels through a large family of parasite proteins called PfEMP1.
The group reported
growing multiple parthenogenetic embryonic stem
cell lines by incubating eggs in a warm, low - oxygen culture medium.
To find methods for stemming the tide of liver - damaging microbes, Schnabl and team tried experimentally bumping up copies of the REG3G gene in intestinal
lining cells grown in the lab.
The virus, however,
grew efficiently in a human A549 lung adenocarcinoma
cell line.
For the time course study,
cells were treated with 20 μM of EGCG for 12, 24, 48, 72, or 144 h. Human colon cancer
cell line HT - 29 and prostate cancer
cell line PC3 were obtained from American Type Culture Collection (Manassas, VA), and were
grown in McCoy's 5A and RPMI 1640 containing 10 % fetal bovine serum, respectively.
NeuroStemcell is focused on the identification and systematic comparison of progenitor
cell lines with the most favourable characteristics for mesDA and striatal GABAergic neuronal differentiation, generated either directly from human embryonic stem (ES)
cells, from Neural Stem (NS)
cells derived from ES
cells or fetal brain, from induced Pluripotent Stem (iPS)
cells or from in vitro short - term expanded neural progenitors from ventral midbrain
grown as neurospheres (VMN, Ventral Midbrain Neurospheres) 4, and perform rigorous and systematic testing of the most prominent candidate
cells in appropriate animals models.
NCI's efforts to develop new laboratory models of human cancer includes vastly increasing the number of human cancer
cell lines (
grown as two - dimensional and three - dimensional cultures) and patient - derived tumor xenografts.
The Broad Cancer Dependency Map team adds CRISPR - based data from 342 cancer
cell lines to their
growing catalog of genetic dependencies in cancer, and a new method for ensuring that data's accuracy.
The Joslin team found that intestinal tumors
grow just as quickly in a mouse cancer model whose «epithelial»
cells lining the inside of the intestine have been genetically modified so that insulin can't activate the
cells.
The researchers established
cell lines from the original egg and in seven out of eight cases the amount of mutated mitochondrial DNA remained low when the
cells were
grown in the laboratory.
Cellartis human iPS
cells from the ChiPSC22
line (Figure 2) and the ChiPSC18
line (Figures 3 — 7 and Table I) were
grown in the Cellartis DEF ‑ CS 500 Culture System before editing.
For the first time since the linkurl: National Institutes of Health; http://www.nih.gov/ released its new guidelines for the derivation of human embryonic stem
cell (hESC)
lines last summer, a
line approved under the Bush administration has been recommended for inclusion into the
growing federal registry of
lines eligible for federal funding.
It has not been
grown in a T -
cell line, only on human PBMCs
Our study shows that selecting the appropriate
cell line,
growing the
cells as 3 - D aggregates and infecting them when they are fully differentiated is key for successful in vitro
cell culturing of human noroviruses.»