Next, the research team will examine specifically whether these liver cells obtained from human embryonic
stem cells in a dish help repair injured livers in preclinical animal models of liver disease.
Not exact matches
But the next big question was whether these
cells could home
in on tumors
in lab
dishes, and
in animals, like neural
stem cells.
To develop their «disease
in a
dish» model, the team took skin
cells from patients with Allan - Herndon - Dudley syndrome and reprogrammed them into induced pluripotent
stem cells, which then can be developed into any type of tissue
in the body.
After deciphering this natural differentiation process, the investigators duplicated it
in the laboratory
dish by adding a sequence of proteins, called growth factors, to the fluid bathing the
stem cells.
In lab
dishes, the blast
cells formed tissues that resembled blood - forming
stem cells as well as blood vessels, the group found.
Researchers say the finding could be harnessed
in the future to make an «eye
in a
dish,» a tool that would be invaluable
in coaxing
stem cells to develop into ocular tissues.
The team found that exposing samples of human glioblastoma tumours grown
in a
dish to the Zika virus destroyed the cancer
stem cells.
To mimic the physical forces that usually tell fetal
stem cells where they can or can't grow, they etched chemical «no - go» zones, creating wells
in the
dish.
But there are many hurdles: Among them, growing enough of the
cells in a petri dish and ensuring that they connect to «the existing machinery» in the eye, says Hendrik Scholl, who co-directs the Center for Stem Cells and Ophthalmic Regenerative Medicine at Johns Hopkins University in Baltimore, Mary
cells in a petri
dish and ensuring that they connect to «the existing machinery»
in the eye, says Hendrik Scholl, who co-directs the Center for
Stem Cells and Ophthalmic Regenerative Medicine at Johns Hopkins University in Baltimore, Mary
Cells and Ophthalmic Regenerative Medicine at Johns Hopkins University
in Baltimore, Maryland.
Scientists have previously shown that isolated germline
stem cells from mice can turn into eggs
in a petri
dish.
For his prototype he is growing mouse muscle from
stem cells in a petri
dish.
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 d
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 d
stem cells in culture and then coaxing them to develop into brain
cells in a
dish.
One metabolite featured
in the study is cholesterol sulfate, which was found to be used up during osteogenesis on a rigid matrix and
in turn could be used to convert
stem cells into bone - like
cells in a
dish.
These transgenic
stem cells also readily created intestinal tissues called «organoids»
in laboratory
dishes.
The disease model, described
in a new study by a UC San Francisco - led team, involves taking skin
cells from patients with the bone disease, reprogramming them
in a lab
dish to their embryonic state, and deriving
stem cells from them.
«To date, there has been no systematic means of assessing the fidelity of cellular engineering — to determine how closely
cells made
in a petri
dish approximate natural tissues
in the body,» says George Q. Daley, MD, PhD, Director of the
Stem Cell Transplantation Program at Boston Children's and senior investigator on both studies.
Glioblastomas
in lab
dishes and mouse brains are fakes, little Potemkin villages that everyone thought were faithful replicas of human glioblastomas but which, lacking tumor
stem cells, were nothing of the kind.
Moving forward, he was able to place these taste
stem cells in a culture
dish and prompt them to grow into the different mature taste
cell types, thus creating a taste bud
in a
dish — scientifically known as taste organoids.
«Alzheimer's
in a
dish:
Stem cells from patients offer model and drug - discovery platform for early onset form of disease.»
The trick, Ali's team found, was to embed the
stem cells in a gel instead of growing the
cells on top of the
dish.
When human
stem cells develop into beta
cells in a
dish, they only reach a precursor stage, unable to fully mature; this prevents them from effectively producing insulin
in response to glucose.
Compounds from grapes may kill colon cancer
stem cells both
in a petri
dish and
in mice, according to a team of researchers.
At the time, culturing
stem cells was notoriously hard, but after combing through previous lab experiments, another postdoc
in Clevers's lab, Toshiro Sato, concocted a mix of growth factors that coaxed the gut
stem cells to replicate
in a
dish.
To mimic the physical forces that usually tell fetal
stem cells where they can or can't grow, they etched tiny «no - go» zones into the wells of the
dish to make the
cells grow
in the right configuration.
A team of developmental biologists led by Hans Schöler and Karen Hübner at the University of Pennsylvania placed densely packed clusters of
stem cells from mouse embryos
in a petri
dish, using fetal calf serum as a growth medium and adding a gene protein that turns green when germ
cells form.
In one dish, the researchers arranged the protein in tiny islands that forced each stem cell to ball u
In one
dish, the researchers arranged the protein
in tiny islands that forced each stem cell to ball u
in tiny islands that forced each
stem cell to ball up.
Researchers realized that they could cut open the top of the trunks of their highest - yielding trees, extract
stem cells and grow up clones by the thousands
in lab
dishes.
Their
stem cells, which can mature into any type of tissue, were isolated and cultured
in a
dish around dots of gel - like growth medium.
«Only the pieces that have
stem cells in them will reform part of this intestinal crypt structure when you put them
in a petri
dish,» explains Geiger.
However, it may be possible to partially reverse aging
in gut
stem cells, at least
in a petri
dish, researchers report
in Cell Reports March 14.
When the researchers added Wnt to petri
dishes housing aged
stem cells, those
stem cells began growing crypts and villi
in patterns resembling their younger counterparts.
Further testing
in the laboratory
dish showed that hematopoietic
stem cells from the sleep - deprived mice responded less strongly than their peers to naturally occurring chemical signals that trigger cellular migration.
On laboratory
dishes, these
stem cells were found to be havens for viral reproduction, resulting
in cell death and / or disruption of
cell growth.
«The blood - brain barrier forms pretty early
in gestation, so the thyroid hormone, even from the mother, is probably not getting through the barrier and into the brain, likely leading to developmental deficits,» says Shusta, whose group was among the first to develop blood - brain barriers from patient - derived
stem cells in the lab
dish.
Scientists at the Institute of Reconstructive Neurobiology at the University of Bonn applied a recent development
in stem cell research to tackle this limitation: they grew three - dimensional organoids
in the
cell culture
dish, the structure of which is incredibly similar to that of the human brain.
The researchers then extracted
stem cells from the embryos and grew the
cells in dishes in the lab.
The encouraging news is that turning
stem cells into auditory neurons can be controlled — at least
in a Petri
dish, said Kelvin Y. Kwan, senior author of the study and an assistant professor
in the Department of
Cell Biology and Neuroscience
in the School of Arts and Sciences.
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.
Changes
in chromatin may help reduce unwanted
stem cell proliferation and can be achieved by adding drugs to experimental cultures
in Petri
dishes, Kwan said.
Stem cells are usually made
in a petri
dish.
Using cutting edge «disease
in a
dish» technologies, the researchers are now following up the leads discovered
in blood
cell lines
in neurons induced from
stem cells derived from the blood of PMDD patients —
in hopes of gaining a more direct window into the ESC / E (Z) complex's role
in the brain.
Wells said that it takes about six weeks for
stem cells to form gastric - fundus tissues
in a petri
dish.
Benjamin Reubinoff, Tamir Ben - Hur, and their colleagues at Hadassah University Hospital
in Jerusalem, Israel, and Monash University
in Melbourne, Australia, took a simpler approach, letting the
stem cells multiply
in a culture
dish until they differentiated on their own.
The research builds on the team's previous work with a technique called three - dimensional culture, which involves incubating
stem cells in a floating ball - shaped aggregate, unlike traditional
cell culture
in which
cells grow
in a flat layer on the surface of a culture
dish.
Now Yoshiki Sasai of the RIKEN Center for Developmental Biology
in Kobe, Japan, and his colleagues have induced embryonic mouse
stem cells to spontaneously form the optic cup
in a
dish.
She says that even though Sasai's team hasn't yet grown an entire eyeball
in a
dish, the work shows that it's possible to grow specific eye structures, such as retinas, from
stem cells in a great enough quantity that they could be used
in therapy.
When the researchers used fetal breast tissue rather than adult tissue from mice, they were able to pinpoint which
cells were
stem cells but the
cells would rapidly change when grown
in a
dish.
In culture
dishes, ramping up the expression of just four genes can turn skin and other
cells into so - called induced pluripotent
stem (iPS)
cells.
Spike and Gray grew the mammary
stem cells in culture
dishes and stained them so that new
stem cells appeared a different color from differentiated mammary
cells.
Both teams successfully used these to reprogramme skin
cells in a lab
dish into
cells resembling embryonic
stem cells, which have the ability to turn into any tissue of the human body.